2006-05-13 [wwp] 2.2.0cvs11
[claws.git] / src / summaryview.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include "defs.h"
21
22 #include <glib.h>
23 #include <glib/gi18n.h>
24 #include <gdk/gdkkeysyms.h>
25 #include <gtk/gtkscrolledwindow.h>
26 #include <gtk/gtkwidget.h>
27 #include <gtk/gtkpixmap.h>
28 #include <gtk/gtkctree.h>
29 #include <gtk/gtkcontainer.h>
30 #include <gtk/gtksignal.h>
31 #include <gtk/gtktext.h>
32 #include <gtk/gtkmenu.h>
33 #include <gtk/gtkmenuitem.h>
34 #include <gtk/gtkitemfactory.h>
35 #include <gtk/gtkvbox.h>
36 #include <gtk/gtkhbox.h>
37 #include <gtk/gtkwindow.h>
38 #include <gtk/gtkstyle.h>
39 #include <gtk/gtkarrow.h>
40 #include <gtk/gtkeventbox.h>
41 #include <gtk/gtkstatusbar.h>
42 #include <gtk/gtkmenuitem.h>
43
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <ctype.h>
48
49 #include "main.h"
50 #include "menu.h"
51 #include "mbox.h"
52 #include "mainwindow.h"
53 #include "folderview.h"
54 #include "summaryview.h"
55 #include "messageview.h"
56 #include "foldersel.h"
57 #include "procmsg.h"
58 #include "procheader.h"
59 #include "sourcewindow.h"
60 #include "prefs_common.h"
61 #include "prefs_summary_column.h"
62 #include "prefs_filtering.h"
63 #include "account.h"
64 #include "compose.h"
65 #include "utils.h"
66 #include "gtkutils.h"
67 #include "stock_pixmap.h"
68 #include "filesel.h"
69 #include "alertpanel.h"
70 #include "inputdialog.h"
71 #include "statusbar.h"
72 #include "folder.h"
73 #include "colorlabel.h"
74 #include "inc.h"
75 #include "imap.h"
76 #include "addressbook.h"
77 #include "addr_compl.h"
78 #include "folder_item_prefs.h"
79 #include "filtering.h"
80 #include "string_match.h"
81 #include "toolbar.h"
82 #include "news.h"
83 #include "hooks.h"
84 #include "description_window.h"
85 #include "folderutils.h"
86 #include "quicksearch.h"
87 #include "partial_download.h"
88 #include "timing.h"
89 #include "gedit-print.h"
90 #include "log.h"
91
92 #define SUMMARY_COL_MARK_WIDTH          10
93 #define SUMMARY_COL_STATUS_WIDTH        13
94 #define SUMMARY_COL_LOCKED_WIDTH        13
95 #define SUMMARY_COL_MIME_WIDTH          11
96
97
98 static GtkStyle *bold_style;
99 static GtkStyle *bold_marked_style;
100 static GtkStyle *bold_deleted_style;
101 static GtkStyle *small_style;
102 static GtkStyle *small_marked_style;
103 static GtkStyle *small_deleted_style;
104
105 static GdkPixmap *markxpm;
106 static GdkBitmap *markxpmmask;
107 static GdkPixmap *deletedxpm;
108 static GdkBitmap *deletedxpmmask;
109
110 static GdkPixmap *newxpm;
111 static GdkBitmap *newxpmmask;
112 static GdkPixmap *unreadxpm;
113 static GdkBitmap *unreadxpmmask;
114 static GdkPixmap *repliedxpm;
115 static GdkBitmap *repliedxpmmask;
116 static GdkPixmap *forwardedxpm;
117 static GdkBitmap *forwardedxpmmask;
118 static GdkPixmap *ignorethreadxpm;
119 static GdkBitmap *ignorethreadxpmmask;
120 static GdkPixmap *lockedxpm;
121 static GdkBitmap *lockedxpmmask;
122 static GdkPixmap *spamxpm;
123 static GdkBitmap *spamxpmmask;
124
125 static GdkPixmap *clipxpm;
126 static GdkBitmap *clipxpmmask;
127 static GdkPixmap *keyxpm;
128 static GdkBitmap *keyxpmmask;
129 static GdkPixmap *clipkeyxpm;
130 static GdkBitmap *clipkeyxpmmask;
131 static GdkPixmap *gpgsignedxpm;
132 static GdkBitmap *gpgsignedxpmmask;
133 static GdkPixmap *clipgpgsignedxpm;
134 static GdkBitmap *clipgpgsignedxpmmask;
135
136 static void summary_free_msginfo_func   (GtkCTree               *ctree,
137                                          GtkCTreeNode           *node,
138                                          gpointer                data);
139 static void summary_set_marks_func      (GtkCTree               *ctree,
140                                          GtkCTreeNode           *node,
141                                          gpointer                data);
142
143 void  summary_set_menu_sensitive        (SummaryView            *summaryview);
144 guint summary_get_msgnum                (SummaryView            *summaryview,
145                                          GtkCTreeNode           *node);
146
147
148 static void summary_set_hide_read_msgs_menu (SummaryView *summaryview,
149                                              guint action);
150
151 static GtkCTreeNode *summary_find_prev_msg
152                                         (SummaryView            *summaryview,
153                                          GtkCTreeNode           *current_node);
154 static GtkCTreeNode *summary_find_next_msg
155                                         (SummaryView            *summaryview,
156                                          GtkCTreeNode           *current_node);
157
158 static GtkCTreeNode *summary_find_prev_flagged_msg
159                                         (SummaryView    *summaryview,
160                                          GtkCTreeNode   *current_node,
161                                          MsgPermFlags    flags,
162                                          gboolean        start_from_prev);
163 static GtkCTreeNode *summary_find_next_flagged_msg
164                                         (SummaryView    *summaryview,
165                                          GtkCTreeNode   *current_node,
166                                          MsgPermFlags    flags,
167                                          gboolean        start_from_next);
168
169 static GtkCTreeNode *summary_find_msg_by_msgnum
170                                         (SummaryView            *summaryview,
171                                          guint                   msgnum);
172
173 static void summary_update_status       (SummaryView            *summaryview);
174
175 /* display functions */
176 static void summary_status_show         (SummaryView            *summaryview);
177 static void summary_set_column_titles   (SummaryView            *summaryview);
178 static void summary_set_ctree_from_list (SummaryView            *summaryview,
179                                          GSList                 *mlist);
180 static void summary_set_header          (SummaryView            *summaryview,
181                                          gchar                  *text[],
182                                          MsgInfo                *msginfo,
183                                          gboolean               *free_from);
184 static void summary_display_msg         (SummaryView            *summaryview,
185                                          GtkCTreeNode           *row);
186 static void summary_display_msg_full    (SummaryView            *summaryview,
187                                          GtkCTreeNode           *row,
188                                          gboolean                new_window,
189                                          gboolean                all_headers);
190 static void summary_set_row_marks       (SummaryView            *summaryview,
191                                          GtkCTreeNode           *row);
192
193 /* message handling */
194 static void summary_mark_row            (SummaryView            *summaryview,
195                                          GtkCTreeNode           *row);
196 static void summary_lock_row            (SummaryView            *summaryview,
197                                          GtkCTreeNode           *row);
198 static void summary_unlock_row          (SummaryView            *summaryview,
199                                          GtkCTreeNode           *row);
200 static void summary_mark_row_as_read    (SummaryView            *summaryview,
201                                          GtkCTreeNode           *row);
202 static void summary_mark_row_as_unread  (SummaryView            *summaryview,
203                                          GtkCTreeNode           *row);
204 static void summary_delete_row          (SummaryView            *summaryview,
205                                          GtkCTreeNode           *row);
206 static void summary_unmark_row          (SummaryView            *summaryview,
207                                          GtkCTreeNode           *row);
208 static void summary_move_row_to         (SummaryView            *summaryview,
209                                          GtkCTreeNode           *row,
210                                          FolderItem             *to_folder);
211 static void summary_copy_row_to         (SummaryView            *summaryview,
212                                          GtkCTreeNode           *row,
213                                          FolderItem             *to_folder);
214
215 static gint summary_execute_move        (SummaryView            *summaryview);
216 static void summary_execute_move_func   (GtkCTree               *ctree,
217                                          GtkCTreeNode           *node,
218                                          gpointer                data);
219 static void summary_execute_copy        (SummaryView            *summaryview);
220 static void summary_execute_copy_func   (GtkCTree               *ctree,
221                                          GtkCTreeNode           *node,
222                                          gpointer                data);
223 static void summary_execute_delete      (SummaryView            *summaryview);
224 static void summary_execute_delete_func (GtkCTree               *ctree,
225                                          GtkCTreeNode           *node,
226                                          gpointer                data);
227
228 static void summary_thread_init         (SummaryView            *summaryview);
229 static void summary_ignore_thread       (SummaryView            *summaryview);
230 static void summary_unignore_thread     (SummaryView            *summaryview);
231
232 static void summary_unthread_for_exec           (SummaryView    *summaryview);
233 static void summary_unthread_for_exec_func      (GtkCTree       *ctree,
234                                                  GtkCTreeNode   *node,
235                                                  gpointer        data);
236
237 void summary_simplify_subject(SummaryView *summaryview, gchar * rexp,
238                               GSList * mlist);
239
240 static void summary_filter_func         (MsgInfo *msginfo);
241
242 static void summary_colorlabel_menu_item_activate_cb
243                                           (GtkWidget    *widget,
244                                            gpointer      data);
245 static void summary_colorlabel_menu_item_activate_item_cb
246                                           (GtkMenuItem  *label_menu_item,
247                                            gpointer      data);
248 static void summary_colorlabel_menu_create(SummaryView  *summaryview,
249                                            gboolean  refresh);
250
251 static GtkWidget *summary_ctree_create  (SummaryView    *summaryview);
252
253 /* callback functions */
254 static gint summary_toggle_pressed      (GtkWidget              *eventbox,
255                                          GdkEventButton         *event,
256                                          SummaryView            *summaryview);
257 static gboolean summary_button_pressed  (GtkWidget              *ctree,
258                                          GdkEventButton         *event,
259                                          SummaryView            *summaryview);
260 static gboolean summary_button_released (GtkWidget              *ctree,
261                                          GdkEventButton         *event,
262                                          SummaryView            *summaryview);
263 static gboolean summary_key_pressed     (GtkWidget              *ctree,
264                                          GdkEventKey            *event,
265                                          SummaryView            *summaryview);
266 static void summary_open_row            (GtkSCTree              *sctree,
267                                          SummaryView            *summaryview);
268 static void summary_tree_expanded       (GtkCTree               *ctree,
269                                          GtkCTreeNode           *node,
270                                          SummaryView            *summaryview);
271 static void summary_tree_collapsed      (GtkCTree               *ctree,
272                                          GtkCTreeNode           *node,
273                                          SummaryView            *summaryview);
274 static void summary_selected            (GtkCTree               *ctree,
275                                          GtkCTreeNode           *row,
276                                          gint                    column,
277                                          SummaryView            *summaryview);
278 static void summary_unselected          (GtkCTree               *ctree,
279                                          GtkCTreeNode           *row,
280                                          gint                    column,
281                                          SummaryView            *summaryview);
282 static void summary_col_resized         (GtkCList               *clist,
283                                          gint                    column,
284                                          gint                    width,
285                                          SummaryView            *summaryview);
286 static void summary_reply_cb            (SummaryView            *summaryview,
287                                          guint                   action,
288                                          GtkWidget              *widget);
289 static void summary_show_all_header_cb  (SummaryView            *summaryview,
290                                          guint                   action,
291                                          GtkWidget              *widget);
292
293 static void summary_add_address_cb      (SummaryView            *summaryview,
294                                          guint                   action,
295                                          GtkWidget              *widget);
296 static void summary_create_filter_cb    (SummaryView            *summaryview,
297                                          guint                   action,
298                                          GtkWidget              *widget);
299 static void summary_create_processing_cb(SummaryView            *summaryview,
300                                          guint                   action,
301                                          GtkWidget              *widget);
302
303 static void summary_mark_clicked        (GtkWidget              *button,
304                                          SummaryView            *summaryview);
305 static void summary_status_clicked      (GtkWidget              *button,
306                                          SummaryView            *summaryview);
307 static void summary_mime_clicked        (GtkWidget              *button,
308                                          SummaryView            *summaryview);
309 static void summary_num_clicked         (GtkWidget              *button,
310                                          SummaryView            *summaryview);
311 static void summary_score_clicked       (GtkWidget *button,
312                                          SummaryView *summaryview);
313 static void summary_size_clicked        (GtkWidget              *button,
314                                          SummaryView            *summaryview);
315 static void summary_date_clicked        (GtkWidget              *button,
316                                          SummaryView            *summaryview);
317 static void summary_from_clicked        (GtkWidget              *button,
318                                          SummaryView            *summaryview);
319 static void summary_to_clicked          (GtkWidget              *button,
320                                          SummaryView            *summaryview);
321 static void summary_subject_clicked     (GtkWidget              *button,
322                                          SummaryView            *summaryview);
323 static void summary_score_clicked       (GtkWidget              *button,
324                                          SummaryView            *summaryview);
325 static void summary_locked_clicked      (GtkWidget              *button,
326                                          SummaryView            *summaryview);
327
328 static void summary_start_drag          (GtkWidget        *widget, 
329                                          int button,
330                                          GdkEvent *event,
331                                          SummaryView      *summaryview);
332 static void summary_drag_data_get       (GtkWidget        *widget,
333                                          GdkDragContext   *drag_context,
334                                          GtkSelectionData *selection_data,
335                                          guint             info,
336                                          guint             time,
337                                          SummaryView      *summaryview);
338 static void summary_drag_data_received(GtkWidget        *widget,
339                                         GdkDragContext   *drag_context,
340                                         gint              x,
341                                         gint              y,
342                                         GtkSelectionData *data,
343                                         guint             info,
344                                         guint             time,
345                                         SummaryView       *summaryview);
346 static gboolean summary_drag_motion_cb(GtkWidget      *widget,
347                                           GdkDragContext *context,
348                                           gint            x,
349                                           gint            y,
350                                           guint           time,
351                                           SummaryView    *summaryview);
352
353 /* custom compare functions for sorting */
354
355 static gint summary_cmp_by_mark         (GtkCList               *clist,
356                                          gconstpointer           ptr1,
357                                          gconstpointer           ptr2);
358 static gint summary_cmp_by_status       (GtkCList               *clist,
359                                          gconstpointer           ptr1,
360                                          gconstpointer           ptr2);
361 static gint summary_cmp_by_mime         (GtkCList               *clist,
362                                          gconstpointer           ptr1,
363                                          gconstpointer           ptr2);
364 static gint summary_cmp_by_num          (GtkCList               *clist,
365                                          gconstpointer           ptr1,
366                                          gconstpointer           ptr2);
367 static gint summary_cmp_by_size         (GtkCList               *clist,
368                                          gconstpointer           ptr1,
369                                          gconstpointer           ptr2);
370 static gint summary_cmp_by_date         (GtkCList               *clist,
371                                          gconstpointer           ptr1,
372                                          gconstpointer           ptr2);
373 static gint summary_cmp_by_from         (GtkCList               *clist,
374                                          gconstpointer           ptr1,
375                                          gconstpointer           ptr2);
376 static gint summary_cmp_by_simplified_subject
377                                         (GtkCList               *clist, 
378                                          gconstpointer           ptr1, 
379                                          gconstpointer           ptr2);
380 static gint summary_cmp_by_score        (GtkCList               *clist,
381                                          gconstpointer           ptr1,
382                                          gconstpointer           ptr2);
383 static gint summary_cmp_by_label        (GtkCList               *clist,
384                                          gconstpointer           ptr1,
385                                          gconstpointer           ptr2);
386 static gint summary_cmp_by_to           (GtkCList               *clist,
387                                          gconstpointer           ptr1,
388                                          gconstpointer           ptr2);
389 static gint summary_cmp_by_subject      (GtkCList               *clist,
390                                          gconstpointer           ptr1,
391                                          gconstpointer           ptr2);
392 static gint summary_cmp_by_locked       (GtkCList               *clist,
393                                          gconstpointer           ptr1, 
394                                          gconstpointer           ptr2);
395
396 static void news_flag_crosspost         (MsgInfo *msginfo);
397
398 static void quicksearch_execute_cb      (QuickSearch    *quicksearch,
399                                          gpointer        data);
400 static void tog_searchbar_cb            (GtkWidget      *w,
401                                          gpointer        data);
402
403 static void summary_find_answers        (SummaryView    *summaryview, 
404                                          MsgInfo        *msg);
405
406 static gboolean summary_update_msg      (gpointer source, gpointer data);
407
408 GtkTargetEntry summary_drag_types[2] =
409 {
410         {"text/uri-list", 0, TARGET_MAIL_URI_LIST},
411         {"sylpheed-claws/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY}
412 };
413
414 static GtkItemFactoryEntry summary_popup_entries[] =
415 {
416         {N_("/_Reply"),                 "<control>R", summary_reply_cb, COMPOSE_REPLY, NULL},
417         {N_("/Repl_y to"),              NULL, NULL,             0, "<Branch>"},
418         {N_("/Repl_y to/_all"),         "<shift><control>R", summary_reply_cb,  COMPOSE_REPLY_TO_ALL, NULL},
419         {N_("/Repl_y to/_sender"),      NULL, summary_reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
420         {N_("/Repl_y to/mailing _list"),
421                                         "<control>L", summary_reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
422         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
423         {N_("/_Forward"),               "<control><alt>F", summary_reply_cb, COMPOSE_FORWARD_INLINE, NULL},
424         {N_("/For_ward as attachment"), NULL, summary_reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
425         {N_("/Redirect"),               NULL, summary_reply_cb, COMPOSE_REDIRECT, NULL},
426         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
427         {N_("/M_ove..."),               "<control>O", summary_move_to,  0, NULL},
428         {N_("/_Copy..."),               "<shift><control>O", summary_copy_to,   0, NULL},
429         {N_("/Move to _trash"),         "<control>D", summary_delete_trash,     0, NULL},
430         {N_("/_Delete..."),             NULL, summary_delete, 0, NULL},
431         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
432         {N_("/_Mark"),                  NULL, NULL,             0, "<Branch>"},
433         {N_("/_Mark/_Mark"),            NULL, summary_mark,     0, NULL},
434         {N_("/_Mark/_Unmark"),          NULL, summary_unmark,   0, NULL},
435         {N_("/_Mark/---"),              NULL, NULL,             0, "<Separator>"},
436         {N_("/_Mark/Mark as unr_ead"),  NULL, summary_mark_as_unread, 0, NULL},
437         {N_("/_Mark/Mark as rea_d"),    NULL, summary_mark_as_read, 0, NULL},
438         {N_("/_Mark/Mark all read"),    NULL, summary_mark_all_read, 0, NULL},
439         {N_("/_Mark/Ignore thread"),    NULL, summary_ignore_thread, 0, NULL},
440         {N_("/_Mark/Unignore thread"),  NULL, summary_unignore_thread, 0, NULL},
441         {N_("/_Mark/---"),              NULL, NULL, 0, "<Separator>"},
442         {N_("/_Mark/Mark as _spam"),    NULL, summary_mark_as_spam, 1, NULL},
443         {N_("/_Mark/Mark as _ham"),     NULL, summary_mark_as_spam, 0, NULL},
444         {N_("/_Mark/---"),              NULL, NULL, 0, "<Separator>"},
445         {N_("/_Mark/Lock"),             NULL, summary_msgs_lock, 0, NULL},
446         {N_("/_Mark/Unlock"),           NULL, summary_msgs_unlock, 0, NULL},
447         {N_("/Color la_bel"),           NULL, NULL,             0, NULL},
448
449         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
450         {N_("/Add sender to address boo_k"),
451                                         NULL, summary_add_address_cb, 0, NULL},
452         {N_("/Create f_ilter rule"),    NULL, NULL,             0, "<Branch>"},
453         {N_("/Create f_ilter rule/_Automatically"),
454                                         NULL, summary_create_filter_cb, FILTER_BY_AUTO, NULL},
455         {N_("/Create f_ilter rule/by _From"),
456                                         NULL, summary_create_filter_cb, FILTER_BY_FROM, NULL},
457         {N_("/Create f_ilter rule/by _To"),
458                                         NULL, summary_create_filter_cb, FILTER_BY_TO, NULL},
459         {N_("/Create f_ilter rule/by _Subject"),
460                                         NULL, summary_create_filter_cb, FILTER_BY_SUBJECT, NULL},
461         {N_("/Create processing rule"), NULL, NULL,             0, "<Branch>"},
462         {N_("/Create processing rule/_Automatically"),
463                                         NULL, summary_create_processing_cb, FILTER_BY_AUTO, NULL},
464         {N_("/Create processing rule/by _From"),
465                                         NULL, summary_create_processing_cb, FILTER_BY_FROM, NULL},
466         {N_("/Create processing rule/by _To"),
467                                         NULL, summary_create_processing_cb, FILTER_BY_TO, NULL},
468         {N_("/Create processing rule/by _Subject"),
469                                         NULL, summary_create_processing_cb, FILTER_BY_SUBJECT, NULL},
470         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
471         {N_("/_View"),                  NULL, NULL,             0, "<Branch>"},
472         {N_("/_View/Open in new _window"),
473                                         "<control><alt>N", summary_open_msg,    0, NULL},
474         {N_("/_View/_Source"),          "<control>U", summary_view_source, 0, NULL},
475         {N_("/_View/All _header"),      "<control>H", summary_show_all_header_cb, 0, "<ToggleItem>"},
476         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
477         {N_("/_Save as..."),            "<control>S", summary_save_as,   0, NULL},
478         {N_("/_Print..."),              "<control>P", summary_print,   0, NULL},
479 };  /* see also list in menu_connect_identical_items() in menu.c if this changes */
480
481 static const gchar *const col_label[N_SUMMARY_COLS] = {
482         "",             /* S_COL_MARK    */
483         N_("S"),        /* S_COL_STATUS  */
484         "",             /* S_COL_MIME    */
485         N_("Subject"),  /* S_COL_SUBJECT */
486         N_("From"),     /* S_COL_FROM    */
487         N_("To"),       /* S_COL_TO      */
488         N_("Date"),     /* S_COL_DATE    */
489         N_("Size"),     /* S_COL_SIZE    */
490         N_("#"),        /* S_COL_NUMBER  */
491         N_("Score"),    /* S_COL_SCORE   */
492         "",             /* S_COL_LOCKED  */
493 };
494
495 #define START_LONG_OPERATION(summaryview) {                     \
496         summary_lock(summaryview);                              \
497         main_window_cursor_wait(summaryview->mainwin);          \
498         gtk_clist_freeze(GTK_CLIST(summaryview->ctree));        \
499         folder_item_update_freeze();                            \
500         inc_lock();                                             \
501 }
502 #define END_LONG_OPERATION(summaryview) {                       \
503         inc_unlock();                                           \
504         folder_item_update_thaw();                              \
505         gtk_clist_thaw(GTK_CLIST(summaryview->ctree));          \
506         main_window_cursor_normal(summaryview->mainwin);        \
507         summary_unlock(summaryview);                            \
508 }
509
510 SummaryView *summary_create(void)
511 {
512         SummaryView *summaryview;
513         GtkWidget *vbox;
514         GtkWidget *scrolledwin;
515         GtkWidget *ctree;
516         GtkWidget *hbox;
517         GtkWidget *hbox_l;
518         GtkWidget *statlabel_folder;
519         GtkWidget *statlabel_select;
520         GtkWidget *statlabel_msgs;
521         GtkWidget *hbox_spc;
522         GtkWidget *toggle_eventbox;
523         GtkWidget *toggle_arrow;
524         GtkWidget *popupmenu;
525         GtkWidget *toggle_search;
526         GtkTooltips *search_tip;
527         GtkItemFactory *popupfactory;
528         gint n_entries;
529         QuickSearch *quicksearch;
530
531         debug_print("Creating summary view...\n");
532         summaryview = g_new0(SummaryView, 1);
533
534 #define SUMMARY_VBOX_SPACING 3
535         vbox = gtk_vbox_new(FALSE, SUMMARY_VBOX_SPACING);
536         
537         /* create status label */
538         hbox = gtk_hbox_new(FALSE, 0);
539         gtk_widget_show(hbox);
540
541         search_tip = gtk_tooltips_new();
542         toggle_search = gtk_toggle_button_new();
543         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toggle_search),
544                                      prefs_common.show_searchbar);
545         gtk_widget_show(toggle_search);
546
547         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_tip),
548                              toggle_search,
549                              _("Toggle quick search bar"), NULL);
550         
551         gtk_box_pack_start(GTK_BOX(hbox), toggle_search, FALSE, FALSE, 2);      
552
553         hbox_l = gtk_hbox_new(FALSE, 0);
554         gtk_widget_show(hbox_l);
555         gtk_box_pack_start(GTK_BOX(hbox), hbox_l, TRUE, TRUE, 0);
556  
557         statlabel_folder = gtk_label_new("");
558         gtk_widget_show(statlabel_folder);
559         gtk_box_pack_start(GTK_BOX(hbox_l), statlabel_folder, FALSE, FALSE, 2);
560         statlabel_select = gtk_label_new("");
561         gtk_widget_show(statlabel_select);
562         gtk_box_pack_start(GTK_BOX(hbox_l), statlabel_select, FALSE, FALSE, 12);
563  
564         /* toggle view button */
565         toggle_eventbox = gtk_event_box_new();
566         gtk_widget_show(toggle_eventbox);
567         gtk_box_pack_end(GTK_BOX(hbox), toggle_eventbox, FALSE, FALSE, 4);
568         toggle_arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
569         gtk_widget_show(toggle_arrow);
570         gtk_container_add(GTK_CONTAINER(toggle_eventbox), toggle_arrow);
571         g_signal_connect(G_OBJECT(toggle_eventbox), "button_press_event",
572                          G_CALLBACK(summary_toggle_pressed),
573                          summaryview);
574         
575         
576         statlabel_msgs = gtk_label_new("");
577         gtk_widget_show(statlabel_msgs);
578         gtk_box_pack_end(GTK_BOX(hbox), statlabel_msgs, FALSE, FALSE, 4);
579
580         hbox_spc = gtk_hbox_new(FALSE, 0);
581         gtk_widget_show(hbox_spc);
582         gtk_box_pack_end(GTK_BOX(hbox), hbox_spc, FALSE, FALSE, 6);
583
584         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
585         gtk_widget_show(scrolledwin);
586         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
587                                        GTK_POLICY_AUTOMATIC,
588                                        GTK_POLICY_AUTOMATIC);
589         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
590         gtk_widget_set_size_request(vbox,
591                              prefs_common.summaryview_width,
592                              prefs_common.summaryview_height);
593
594         ctree = summary_ctree_create(summaryview);
595         gtk_widget_show(ctree);
596
597         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
598                                             GTK_CLIST(ctree)->hadjustment);
599         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
600                                             GTK_CLIST(ctree)->vadjustment);
601         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
602
603         /* status label */
604         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
605
606         /* quick search */
607         quicksearch = quicksearch_new();
608         gtk_box_pack_start(GTK_BOX(vbox), quicksearch_get_widget(quicksearch), FALSE, FALSE, 0);
609
610         quicksearch_set_execute_callback(quicksearch, quicksearch_execute_cb, summaryview);
611
612         g_signal_connect (G_OBJECT(toggle_search), "toggled",
613                           G_CALLBACK(tog_searchbar_cb), summaryview);
614
615         /* create popup menu */
616         n_entries = sizeof(summary_popup_entries) /
617                 sizeof(summary_popup_entries[0]);
618         popupmenu = menu_create_items(summary_popup_entries, n_entries,
619                                       "<SummaryView>", &popupfactory,
620                                       summaryview);
621
622         summaryview->vbox = vbox;
623         summaryview->scrolledwin = scrolledwin;
624         summaryview->ctree = ctree;
625         summaryview->hbox = hbox;
626         summaryview->hbox_l = hbox_l;
627         summaryview->statlabel_folder = statlabel_folder;
628         summaryview->statlabel_select = statlabel_select;
629         summaryview->statlabel_msgs = statlabel_msgs;
630         summaryview->toggle_eventbox = toggle_eventbox;
631         summaryview->toggle_arrow = toggle_arrow;
632         summaryview->toggle_search = toggle_search;
633         summaryview->popupmenu = popupmenu;
634         summaryview->popupfactory = popupfactory;
635         summaryview->lock_count = 0;
636         summaryview->msginfo_update_callback_id =
637                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, summary_update_msg, (gpointer) summaryview);
638
639         summaryview->target_list = gtk_target_list_new(summary_drag_types, 2);
640
641         summaryview->quicksearch = quicksearch;
642
643         /* CLAWS: need this to get the SummaryView * from
644          * the CList */
645         g_object_set_data(G_OBJECT(ctree), "summaryview", (gpointer)summaryview); 
646
647         gtk_widget_show_all(vbox);
648
649         gtk_widget_show(vbox);
650
651         if (prefs_common.show_searchbar)
652                 quicksearch_show(quicksearch);
653         else
654                 quicksearch_hide(quicksearch);
655         
656         return summaryview;
657 }
658
659 static void summary_set_fonts(SummaryView *summaryview)
660 {
661         PangoFontDescription *font_desc;
662         gint size;
663
664         font_desc = pango_font_description_from_string(NORMAL_FONT);
665         gtk_widget_modify_font(summaryview->ctree, font_desc);
666         pango_font_description_free(font_desc);
667
668         if (!bold_style) {
669                 bold_style = gtk_style_copy
670                         (gtk_widget_get_style(summaryview->ctree));
671                 font_desc = pango_font_description_from_string(NORMAL_FONT);
672                 if (font_desc) {
673                         pango_font_description_free(bold_style->font_desc);
674                         bold_style->font_desc = font_desc;
675                 }
676                 
677                 pango_font_description_set_weight
678                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
679                 bold_marked_style = gtk_style_copy(bold_style);
680                 bold_marked_style->fg[GTK_STATE_NORMAL] =
681                         summaryview->color_marked;
682                 bold_deleted_style = gtk_style_copy(bold_style);
683                 bold_deleted_style->fg[GTK_STATE_NORMAL] =
684                         summaryview->color_dim;
685         }
686
687         font_desc = pango_font_description_new();
688         size = pango_font_description_get_size
689                 (summaryview->ctree->style->font_desc);
690         pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
691         gtk_widget_modify_font(summaryview->statlabel_folder, font_desc);
692         gtk_widget_modify_font(summaryview->statlabel_select, font_desc);
693         gtk_widget_modify_font(summaryview->statlabel_msgs, font_desc);
694         pango_font_description_free(font_desc);
695 }
696
697 void summary_init(SummaryView *summaryview)
698 {
699         GtkWidget *pixmap;
700
701         gtk_widget_realize(summaryview->ctree);
702         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_MARK,
703                          &markxpm, &markxpmmask);
704         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_DELETED,
705                          &deletedxpm, &deletedxpmmask);
706         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_NEW,
707                          &newxpm, &newxpmmask);
708         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_UNREAD,
709                          &unreadxpm, &unreadxpmmask);
710         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_REPLIED,
711                          &repliedxpm, &repliedxpmmask);
712         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_FORWARDED,
713                          &forwardedxpm, &forwardedxpmmask);
714         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP,
715                          &clipxpm, &clipxpmmask);
716         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_LOCKED,
717                          &lockedxpm, &lockedxpmmask);
718         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_IGNORETHREAD,
719                          &ignorethreadxpm, &ignorethreadxpmmask);
720         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP_KEY,
721                          &clipkeyxpm, &clipkeyxpmmask);
722         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_KEY,
723                          &keyxpm, &keyxpmmask);
724         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_GPG_SIGNED,
725                          &gpgsignedxpm, &gpgsignedxpmmask);
726         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP_GPG_SIGNED,
727                          &clipgpgsignedxpm, &clipgpgsignedxpmmask);
728         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_SPAM,
729                          &spamxpm, &spamxpmmask);
730
731         summary_set_fonts(summaryview);
732
733         pixmap = stock_pixmap_widget(summaryview->hbox_l, STOCK_PIXMAP_DIR_OPEN);
734         gtk_box_pack_start(GTK_BOX(summaryview->hbox_l), pixmap, FALSE, FALSE, 4);
735         gtk_box_reorder_child(GTK_BOX(summaryview->hbox_l), pixmap, 0);
736         gtk_widget_show(pixmap);
737         summaryview->folder_pixmap = pixmap;
738
739         pixmap = stock_pixmap_widget(summaryview->hbox, STOCK_PIXMAP_QUICKSEARCH);
740         gtk_container_add (GTK_CONTAINER(summaryview->toggle_search), pixmap);
741         gtk_widget_show(pixmap);
742         summaryview->quick_search_pixmap = pixmap;
743
744         /* Init summaryview prefs */
745         summaryview->sort_key = SORT_BY_NONE;
746         summaryview->sort_type = SORT_ASCENDING;
747
748         /* Init summaryview extra data */
749         summaryview->simplify_subject_preg = NULL;
750
751         summary_clear_list(summaryview);
752         summary_set_column_titles(summaryview);
753         summary_colorlabel_menu_create(summaryview, FALSE);
754         main_create_mailing_list_menu (summaryview->mainwin, NULL);     
755         summary_set_menu_sensitive(summaryview);
756
757 }
758
759 #define CURRENTLY_DISPLAYED(m) \
760 ( (m->msgnum == displayed_msgnum) \
761   && (!g_ascii_strcasecmp(m->folder->name,item->name)) )
762
763 #define FOLDER_SHOWS_TO_HDR(i) \
764 ( folder_has_parent_of_type(i, F_OUTBOX) \
765   ||  folder_has_parent_of_type(i, F_DRAFT) \
766   ||  folder_has_parent_of_type(i, F_QUEUE) )
767   
768 static void summary_switch_from_to(SummaryView *summaryview, FolderItem *item)
769 {
770         gboolean show_from = FALSE, show_to = FALSE;
771         gboolean showing_from = FALSE, showing_to = FALSE;
772         gint from_pos = 0, to_pos = 0;
773         SummaryColumnState *col_state = summaryview->col_state;
774         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
775         
776         if (!item)
777                 return;
778         if(FOLDER_SHOWS_TO_HDR(item))
779                 show_to = TRUE;
780         else
781                 show_from = TRUE;
782         
783         from_pos = summaryview->col_pos[S_COL_FROM];
784         to_pos = summaryview->col_pos[S_COL_TO];
785         showing_from = col_state[from_pos].visible;
786         showing_to = col_state[to_pos].visible;
787         
788         if (showing_from && showing_to) {
789                 debug_print("showing both\n");
790                 return;
791         }
792
793         if (!showing_from && !showing_to) {
794                 debug_print("showing none\n");
795                 return;
796         }
797
798         debug_print("showing %s %s, must show %s %s\n", 
799                 showing_from?"From":"",
800                 showing_to?"To":"",
801                 show_from?"From":"",
802                 show_to?"To":"");
803
804         if (showing_from == show_from && showing_to == show_to)
805                 return;
806         /* else we'll switch both */
807
808         debug_print("switching columns\n");
809         col_state[from_pos].type = S_COL_TO;
810         col_state[from_pos].visible = show_to;
811
812         col_state[to_pos].type = S_COL_FROM;
813         col_state[to_pos].visible = show_from;
814
815         summaryview->col_pos[S_COL_TO] = from_pos;
816         summaryview->col_pos[S_COL_FROM] = to_pos;
817
818         gtk_clist_set_column_visibility
819                 (GTK_CLIST(ctree), from_pos, col_state[from_pos].visible);
820         gtk_clist_set_column_visibility
821                 (GTK_CLIST(ctree), to_pos, col_state[to_pos].visible);
822
823         summary_set_column_titles(summaryview);
824 }
825
826 gboolean summary_show(SummaryView *summaryview, FolderItem *item)
827 {
828         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
829         GtkCTreeNode *node;
830         GSList *mlist = NULL;
831         gchar *buf;
832         gboolean is_refresh;
833         guint selected_msgnum = 0;
834         guint displayed_msgnum = 0;
835         GSList *cur;
836         GSList *not_killed;
837         gboolean hidden_removed = FALSE;
838
839         if (summary_is_locked(summaryview)) return FALSE;
840
841         if (!summaryview->mainwin)
842                 return FALSE;
843
844         summary_switch_from_to(summaryview, item);
845
846         inc_lock();
847         summary_lock(summaryview);
848
849         is_refresh = (item == summaryview->folder_item) ? TRUE : FALSE;
850
851         if (!prefs_common.summary_quicksearch_sticky
852          && !prefs_common.summary_quicksearch_recurse
853          && !quicksearch_is_running(summaryview->quicksearch)
854          && !is_refresh) {
855                 quicksearch_set(summaryview->quicksearch, prefs_common.summary_quicksearch_type, "");
856         }
857
858         /* STATUSBAR_POP(summaryview->mainwin); */
859
860         if (is_refresh) {
861                 selected_msgnum = summary_get_msgnum(summaryview,
862                                                      summaryview->selected);
863                 displayed_msgnum = summary_get_msgnum(summaryview,
864                                                       summaryview->displayed);
865         }
866
867         /* process the marks if any */
868         if (summaryview->mainwin->lock_count == 0 &&
869             (summaryview->moved > 0 || summaryview->copied > 0)) {
870                 AlertValue val;
871                 gboolean changed = FALSE;
872
873                 val = alertpanel(_("Process mark"),
874                                  _("Some marks are left. Process them?"),
875                                  GTK_STOCK_NO, GTK_STOCK_YES, GTK_STOCK_CANCEL);
876                 if (G_ALERTALTERNATE == val) {
877                         summary_unlock(summaryview);
878                         summary_execute(summaryview);
879                         summary_lock(summaryview);
880                         changed = TRUE;
881                 } else if (G_ALERTDEFAULT == val) {
882                         /* DO NOTHING */
883                 } else {
884                         summary_unlock(summaryview);
885                         inc_unlock();
886                         return FALSE;
887                 }
888                 if (changed || !quicksearch_is_active(summaryview->quicksearch))
889                         folder_update_op_count();
890         }
891         
892         gtk_clist_freeze(GTK_CLIST(ctree));
893
894         summary_clear_list(summaryview);
895
896         buf = NULL;
897         if (!item || !item->path || !folder_item_parent(item) || item->no_select) {
898                 g_free(buf);
899                 debug_print("empty folder\n\n");
900                 summary_set_hide_read_msgs_menu(summaryview, FALSE);
901                 summary_clear_all(summaryview);
902                 summaryview->folder_item = item;
903                 gtk_clist_thaw(GTK_CLIST(ctree));
904                 summary_unlock(summaryview);
905                 inc_unlock();
906                 if (item && quicksearch_is_running(summaryview->quicksearch)) {
907                         main_window_cursor_wait(summaryview->mainwin);
908                         quicksearch_reset_cur_folder_item(summaryview->quicksearch);
909                         if (quicksearch_is_active(summaryview->quicksearch))
910                                 quicksearch_search_subfolders(summaryview->quicksearch, 
911                                               summaryview->folderview,
912                                               summaryview->folder_item);
913                         main_window_cursor_normal(summaryview->mainwin);
914                 }                       
915                 return TRUE;
916         }
917         g_free(buf);
918
919         if (!is_refresh)
920                 messageview_clear(summaryview->messageview);
921
922         summaryview->folder_item = item;
923         item->opened = TRUE;
924
925         buf = g_strdup_printf(_("Scanning folder (%s)..."), item->path);
926         debug_print("%s\n", buf);
927         STATUSBAR_PUSH(summaryview->mainwin, buf);
928         g_free(buf);
929
930         main_window_cursor_wait(summaryview->mainwin);
931
932         mlist = folder_item_get_msg_list(item);
933
934         if (summaryview->folder_item->hide_read_msgs &&
935             quicksearch_is_active(summaryview->quicksearch) == FALSE) {
936                 GSList *not_killed;
937                 
938                 summary_set_hide_read_msgs_menu(summaryview, TRUE);
939                 not_killed = NULL;
940                 for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
941                         MsgInfo * msginfo = (MsgInfo *) cur->data;
942                         
943                         if (!msginfo->hidden) {
944                                 if (MSG_IS_UNREAD(msginfo->flags) &&
945                                     !MSG_IS_IGNORE_THREAD(msginfo->flags))
946                                         not_killed = g_slist_prepend(not_killed, msginfo);
947                                 else if (MSG_IS_MARKED(msginfo->flags) ||
948                                          MSG_IS_LOCKED(msginfo->flags))
949                                         not_killed = g_slist_prepend(not_killed, msginfo);
950                                 else if (is_refresh &&
951                                         (msginfo->msgnum == selected_msgnum ||
952                                          msginfo->msgnum == displayed_msgnum))
953                                         not_killed = g_slist_prepend(not_killed, msginfo);
954                                 else
955                                         procmsg_msginfo_free(msginfo);
956                          } else
957                                 procmsg_msginfo_free(msginfo);
958                 }
959                 hidden_removed = TRUE;
960                 g_slist_free(mlist);
961                 mlist = not_killed;
962         } else {
963                 summary_set_hide_read_msgs_menu(summaryview, FALSE);
964         }
965
966         if (quicksearch_is_active(summaryview->quicksearch)) {
967                 GSList *not_killed;
968                 gint num = 0, total = summaryview->folder_item->total_msgs;
969                 statusbar_print_all(_("Searching in %s... \n"), 
970                         summaryview->folder_item->path ? 
971                         summaryview->folder_item->path : "(null)");
972                 not_killed = NULL;
973                 for (cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
974                         MsgInfo * msginfo = (MsgInfo *) cur->data;
975
976                         statusbar_progress_all(num++,total, 50);
977
978                         if (!msginfo->hidden && quicksearch_match(summaryview->quicksearch, msginfo))
979                                 not_killed = g_slist_prepend(not_killed, msginfo);
980                         else
981                                 procmsg_msginfo_free(msginfo);
982                         GTK_EVENTS_FLUSH();
983                         if (!quicksearch_is_active(summaryview->quicksearch)) {
984                                 break;
985                         }
986                 }
987                 statusbar_progress_all(0,0,0);
988                 statusbar_pop_all();
989                 
990                 hidden_removed = TRUE;
991                 if (quicksearch_is_running(summaryview->quicksearch)) {
992                         /* only scan subfolders when quicksearch changed,
993                          * not when search is the same and folder changed */
994                         main_window_cursor_wait(summaryview->mainwin);
995                         quicksearch_reset_cur_folder_item(summaryview->quicksearch);
996                         quicksearch_search_subfolders(summaryview->quicksearch, 
997                                               summaryview->folderview,
998                                               summaryview->folder_item);
999                         main_window_cursor_normal(summaryview->mainwin);
1000                 }
1001
1002                 if (!quicksearch_is_active(summaryview->quicksearch)) {
1003                         debug_print("search cancelled!\n");
1004                         gtk_clist_thaw(GTK_CLIST(ctree));
1005                         STATUSBAR_POP(summaryview->mainwin);
1006                         main_window_cursor_normal(summaryview->mainwin);
1007                         summary_unlock(summaryview);
1008                         inc_unlock();
1009                         summary_show(summaryview, summaryview->folder_item);
1010                         return FALSE;
1011                 }
1012                 g_slist_free(mlist);
1013                 mlist = not_killed;
1014         }
1015
1016         if (!hidden_removed) {
1017                 not_killed = NULL;
1018                 for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
1019                         MsgInfo * msginfo = (MsgInfo *) cur->data;
1020
1021                         if (!msginfo->hidden)
1022                                 not_killed = g_slist_prepend(not_killed, msginfo);
1023                         else
1024                                 procmsg_msginfo_free(msginfo);
1025                 }
1026                 g_slist_free(mlist);
1027                 mlist = not_killed;
1028         }
1029
1030         STATUSBAR_POP(summaryview->mainwin);
1031
1032         /* set ctree and hash table from the msginfo list, and
1033            create the thread */
1034         summary_set_ctree_from_list(summaryview, mlist);
1035
1036         g_slist_free(mlist);
1037
1038         if (is_refresh) {
1039                 summaryview->displayed =
1040                         summary_find_msg_by_msgnum(summaryview,
1041                                                    displayed_msgnum);
1042                 if (!summaryview->displayed)
1043                         messageview_clear(summaryview->messageview);
1044                 summary_unlock(summaryview);
1045                 summary_select_by_msgnum(summaryview, selected_msgnum);
1046                 summary_lock(summaryview);
1047                 if (!summaryview->selected) {
1048                         /* no selected message - select first unread
1049                            message, but do not display it */
1050                         node = summary_find_next_flagged_msg(summaryview, NULL,
1051                                                              MSG_UNREAD, FALSE);
1052                         if (node == NULL && GTK_CLIST(ctree)->row_list != NULL)
1053                                 node = gtk_ctree_node_nth
1054                                         (ctree,
1055                                          item->sort_type == SORT_DESCENDING
1056                                          ? 0 : GTK_CLIST(ctree)->rows - 1);
1057                         summary_unlock(summaryview);
1058                         summary_select_node(summaryview, node, FALSE, TRUE);
1059                         summary_lock(summaryview);
1060                 }
1061         } else {
1062                 switch (prefs_common.select_on_entry) {
1063                         case SELECTONENTRY_MNU:
1064                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1065                                                                      MSG_MARKED, FALSE);
1066                                 if (node == NULL)
1067                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1068                                                                      MSG_NEW, FALSE);
1069                                 if (node == NULL)
1070                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1071                                                                      MSG_UNREAD, FALSE);
1072                                 break;
1073                         case SELECTONENTRY_MUN:
1074                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1075                                                                      MSG_MARKED, FALSE);
1076                                 if (node == NULL)
1077                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1078                                                                      MSG_UNREAD, FALSE);
1079                                 if (node == NULL)
1080                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1081                                                                      MSG_NEW, FALSE);
1082                                 break;
1083                         case SELECTONENTRY_NMU:
1084                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1085                                                                      MSG_NEW, FALSE);
1086                                 if (node == NULL)
1087                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1088                                                                      MSG_MARKED, FALSE);
1089                                 if (node == NULL)
1090                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1091                                                                      MSG_UNREAD, FALSE);
1092                                 break;
1093                         case SELECTONENTRY_NUM:
1094                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1095                                                                      MSG_NEW, FALSE);
1096                                 if (node == NULL)
1097                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1098                                                                      MSG_UNREAD, FALSE);
1099                                 if (node == NULL)
1100                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1101                                                                      MSG_MARKED, FALSE);
1102                                 break;
1103                         case SELECTONENTRY_UNM:
1104                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1105                                                                      MSG_UNREAD, FALSE);
1106                                 if (node == NULL)
1107                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1108                                                                      MSG_NEW, FALSE);
1109                                 if (node == NULL)
1110                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1111                                                                      MSG_MARKED, FALSE);
1112                                 break;
1113                         case SELECTONENTRY_UMN:
1114                                 node = summary_find_next_flagged_msg(summaryview, NULL,
1115                                                                      MSG_UNREAD, FALSE);
1116                                 if (node == NULL)
1117                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1118                                                                      MSG_MARKED, FALSE);
1119                                 if (node == NULL)
1120                                         node = summary_find_next_flagged_msg(summaryview, NULL,
1121                                                                      MSG_NEW, FALSE);
1122                                 break;
1123                         default:
1124                                 node = NULL;
1125                 }
1126
1127                 if (node == NULL && GTK_CLIST(ctree)->row_list != NULL) {
1128                         node = gtk_ctree_node_nth
1129                                 (ctree,
1130                                  item->sort_type == SORT_DESCENDING
1131                                  ? 0 : GTK_CLIST(ctree)->rows - 1);
1132                 }
1133                 summary_unlock(summaryview);
1134                 summary_select_node(summaryview, node,
1135                                     prefs_common.always_show_msg,
1136                                     TRUE);
1137                 summary_lock(summaryview);
1138         }
1139
1140         summary_status_show(summaryview);
1141         summary_set_menu_sensitive(summaryview);
1142         toolbar_main_set_sensitive(summaryview->mainwin);
1143         
1144         gtk_clist_thaw(GTK_CLIST(ctree));
1145         debug_print("\n");
1146         STATUSBAR_PUSH(summaryview->mainwin, _("Done."));
1147         STATUSBAR_POP(summaryview->mainwin);
1148         main_window_cursor_normal(summaryview->mainwin);
1149         summary_unlock(summaryview);
1150         inc_unlock();
1151
1152         return TRUE;
1153 }
1154
1155 #undef CURRENTLY_DISPLAYED
1156
1157
1158 void summary_clear_list(SummaryView *summaryview)
1159 {
1160         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1161         gint optimal_width;
1162
1163         gtk_clist_freeze(clist);
1164
1165         gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree),
1166                                 NULL, summary_free_msginfo_func, NULL);
1167
1168         if (summaryview->folder_item) {
1169                 summaryview->folder_item->opened = FALSE;
1170                 summaryview->folder_item = NULL;
1171         }
1172
1173         summaryview->display_msg = FALSE;
1174
1175         summaryview->selected = NULL;
1176         summaryview->displayed = NULL;
1177         summaryview->total_size = 0;
1178         summaryview->deleted = summaryview->moved = 0;
1179         summaryview->copied = 0;
1180         if (summaryview->msgid_table) {
1181                 g_hash_table_destroy(summaryview->msgid_table);
1182                 summaryview->msgid_table = NULL;
1183         }
1184         if (summaryview->subject_table) {
1185                 g_hash_table_destroy(summaryview->subject_table);
1186                 summaryview->subject_table = NULL;
1187         }
1188         summaryview->mlist = NULL;
1189
1190         gtk_clist_clear(clist);
1191         if (summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
1192                 optimal_width = gtk_clist_optimal_column_width
1193                         (clist, summaryview->col_pos[S_COL_SUBJECT]);
1194                 gtk_clist_set_column_width
1195                         (clist, summaryview->col_pos[S_COL_SUBJECT],
1196                          optimal_width);
1197         }
1198
1199         gtk_clist_thaw(clist);
1200 }
1201
1202 void summary_clear_all(SummaryView *summaryview)
1203 {
1204         messageview_clear(summaryview->messageview);
1205         summary_clear_list(summaryview);
1206         summary_set_menu_sensitive(summaryview);
1207         toolbar_main_set_sensitive(summaryview->mainwin);
1208         summary_status_show(summaryview);
1209 }
1210
1211 void summary_lock(SummaryView *summaryview)
1212 {
1213         summaryview->lock_count++;
1214 }
1215
1216 void summary_unlock(SummaryView *summaryview)
1217 {
1218         if (summaryview->lock_count)
1219                 summaryview->lock_count--;
1220 }
1221
1222 gboolean summary_is_locked(SummaryView *summaryview)
1223 {
1224         return summaryview->lock_count > 0;
1225 }
1226
1227 SummarySelection summary_get_selection_type(SummaryView *summaryview)
1228 {
1229         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1230         SummarySelection selection;
1231
1232         if (!clist->row_list)
1233                 selection = SUMMARY_NONE;
1234         else if (!clist->selection)
1235                 selection = SUMMARY_SELECTED_NONE;
1236         else if (!clist->selection->next)
1237                 selection = SUMMARY_SELECTED_SINGLE;
1238         else
1239                 selection = SUMMARY_SELECTED_MULTIPLE;
1240
1241         return selection;
1242 }
1243
1244 /*!
1245  *\return       MsgInfo * Selected message if there's one selected;
1246  *              if multiple selected, or none, return NULL.
1247  */ 
1248 MsgInfo *summary_get_selected_msg(SummaryView *summaryview)
1249 {
1250         /* summaryview->selected may be valid when multiple 
1251          * messages were selected */
1252         GList *sellist = GTK_CLIST(summaryview->ctree)->selection;
1253
1254         if (sellist == NULL || sellist->next) 
1255                 return NULL;
1256         
1257         return GTKUT_CTREE_NODE_GET_ROW_DATA(sellist->data);
1258 }
1259
1260 GSList *summary_get_selected_msg_list(SummaryView *summaryview)
1261 {
1262         GSList *mlist = NULL;
1263         GList *cur;
1264         MsgInfo *msginfo;
1265
1266         for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL && cur->data != NULL;
1267              cur = cur->next) {
1268                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(cur->data);
1269                 mlist = g_slist_prepend(mlist, msginfo);
1270         }
1271
1272         mlist = g_slist_reverse(mlist);
1273
1274         return mlist;
1275 }
1276
1277 GSList *summary_get_msg_list(SummaryView *summaryview)
1278 {
1279         GSList *mlist = NULL;
1280         GtkCTree *ctree;
1281         GtkCTreeNode *node;
1282         MsgInfo *msginfo;
1283
1284         ctree = GTK_CTREE(summaryview->ctree);
1285
1286         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1287              node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1288                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
1289                 mlist = g_slist_prepend(mlist, msginfo);
1290         }
1291
1292         mlist = g_slist_reverse(mlist);
1293
1294         return mlist;
1295 }
1296
1297 void summary_set_menu_sensitive(SummaryView *summaryview)
1298 {
1299         GtkItemFactory *ifactory = summaryview->popupfactory;
1300         SensitiveCond state;
1301         gboolean sensitive;
1302         GtkWidget *menuitem;
1303         gint i;
1304
1305         static const struct {
1306                 gchar *const entry;
1307                 SensitiveCond cond;
1308         } entry[] = {
1309                 {"/Reply"                       , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1310                 {"/Reply to"                    , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1311                 {"/Reply to/all"                , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1312                 {"/Reply to/sender"             , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1313                 {"/Reply to/mailing list"       , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1314
1315                 {"/Forward"                     , M_HAVE_ACCOUNT|M_TARGET_EXIST},
1316                 {"/Forward as attachment"       , M_HAVE_ACCOUNT|M_TARGET_EXIST},
1317                 {"/Redirect"                    , M_HAVE_ACCOUNT|M_SINGLE_TARGET_EXIST},
1318
1319                 {"/Move..."                     , M_TARGET_EXIST|M_ALLOW_DELETE|M_NOT_NEWS},
1320                 {"/Copy..."                     , M_TARGET_EXIST|M_EXEC},
1321                 {"/Move to trash"               , M_TARGET_EXIST|M_ALLOW_DELETE|M_NOT_NEWS},
1322                 {"/Delete..."                   , M_TARGET_EXIST|M_ALLOW_DELETE},
1323
1324                 {"/Mark"                        , M_TARGET_EXIST},
1325                 {"/Mark/Mark"                   , M_TARGET_EXIST},
1326                 {"/Mark/Unmark"                 , M_TARGET_EXIST},
1327                 {"/Mark/Mark as unread"         , M_TARGET_EXIST},
1328                 {"/Mark/Mark all read"          , M_TARGET_EXIST},
1329                 {"/Mark/Ignore thread"          , M_TARGET_EXIST},
1330                 {"/Mark/Lock"                   , M_TARGET_EXIST},
1331                 {"/Mark/Unlock"                 , M_TARGET_EXIST},
1332                 {"/Mark/Mark as spam"           , M_TARGET_EXIST|M_CAN_LEARN_SPAM},
1333                 {"/Mark/Mark as ham"            , M_TARGET_EXIST|M_CAN_LEARN_SPAM},
1334                 {"/Color label"                 , M_TARGET_EXIST},
1335
1336                 {"/Add sender to address book"  , M_SINGLE_TARGET_EXIST},
1337                 {"/Create filter rule"          , M_SINGLE_TARGET_EXIST|M_UNLOCKED},
1338                 {"/Create processing rule"      , M_SINGLE_TARGET_EXIST|M_UNLOCKED},
1339
1340                 {"/View"                        , M_SINGLE_TARGET_EXIST},
1341                 {"/View/Open in new window"     , M_SINGLE_TARGET_EXIST},
1342                 {"/View/Source"                 , M_SINGLE_TARGET_EXIST},
1343                 {"/View/All header"             , M_SINGLE_TARGET_EXIST},
1344                 {"/Save as..."                  , M_TARGET_EXIST},
1345                 {"/Print..."                    , M_TARGET_EXIST},
1346                 {NULL, 0}
1347         };
1348
1349         main_window_set_menu_sensitive(summaryview->mainwin);
1350
1351         state = main_window_get_current_state(summaryview->mainwin);
1352
1353         for (i = 0; entry[i].entry != NULL; i++) {
1354                 sensitive = ((entry[i].cond & state) == entry[i].cond);
1355                 menu_set_sensitive(ifactory, entry[i].entry, sensitive);
1356         }
1357
1358
1359         summary_lock(summaryview);
1360         menuitem = gtk_item_factory_get_widget(ifactory, "/View/All header");
1361         if (summaryview->messageview 
1362         &&  summaryview->messageview->mimeview
1363         &&  summaryview->messageview->mimeview->textview)
1364                 gtk_check_menu_item_set_active
1365                         (GTK_CHECK_MENU_ITEM(menuitem),
1366                          summaryview->messageview->mimeview->textview->show_all_headers);
1367         summary_unlock(summaryview);
1368 }
1369
1370 void summary_select_prev_unread(SummaryView *summaryview)
1371 {
1372         GtkCTreeNode *node;
1373         gboolean skip_cur = FALSE;
1374
1375         if (summaryview->displayed 
1376         &&  summaryview->selected == summaryview->displayed) {
1377                 debug_print("skipping current\n");
1378                 skip_cur = TRUE;
1379         }
1380
1381         node = summary_find_prev_flagged_msg
1382                 (summaryview, summaryview->selected, MSG_UNREAD, skip_cur);
1383
1384         if (!node || node == summaryview->selected) {
1385                 AlertValue val = 0;
1386
1387                 switch (prefs_common.next_unread_msg_dialog) {
1388                         case NEXTUNREADMSGDIALOG_ALWAYS:
1389                                 val = alertpanel(_("No more unread messages"),
1390                                                  _("No unread message found. "
1391                                                    "Search from the end?"),
1392                                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1393                                 break;
1394                         case NEXTUNREADMSGDIALOG_ASSUME_YES:
1395                                 val = G_ALERTALTERNATE;
1396                                 break;
1397                         case NEXTUNREADMSGDIALOG_ASSUME_NO:
1398                                 val = !G_ALERTALTERNATE;
1399                                 break;
1400                         default:
1401                                 debug_print(
1402                                         _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1403                 }
1404                 if (val != G_ALERTALTERNATE) return;
1405                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1406                                                      MSG_UNREAD, FALSE);
1407         }
1408
1409         if (!node)
1410                 alertpanel_notice(_("No unread messages."));
1411         else
1412                 summary_select_node(summaryview, node, TRUE, FALSE);
1413 }
1414
1415 void summary_select_next_unread(SummaryView *summaryview)
1416 {
1417         GtkCTreeNode *node = summaryview->selected;
1418         gboolean skip_cur = FALSE;
1419         
1420         if (summaryview->displayed 
1421         &&  summaryview->selected == summaryview->displayed) {
1422                 debug_print("skipping cur (%p %p)\n",
1423                         summaryview->displayed, summaryview->selected);
1424                 skip_cur = TRUE;
1425         }
1426
1427
1428         node = summary_find_next_flagged_msg
1429                 (summaryview, node, MSG_UNREAD, skip_cur);
1430         
1431         if (node)
1432                 summary_select_node(summaryview, node, TRUE, FALSE);
1433         else {
1434                 node = summary_find_next_flagged_msg
1435                         (summaryview, NULL, MSG_UNREAD, FALSE);
1436                 if (node == NULL || node == summaryview->selected) {
1437                         AlertValue val = 0;
1438
1439                         switch (prefs_common.next_unread_msg_dialog) {
1440                                 case NEXTUNREADMSGDIALOG_ALWAYS:
1441                                         val = alertpanel(_("No more unread messages"),
1442                                                          _("No unread message found. "
1443                                                            "Go to next folder?"),
1444                                                          GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1445                                         break;
1446                                 case NEXTUNREADMSGDIALOG_ASSUME_YES:
1447                                         val = G_ALERTALTERNATE;
1448                                         break;
1449                                 case NEXTUNREADMSGDIALOG_ASSUME_NO:
1450                                         val = G_ALERTOTHER;
1451                                         break;
1452                                 default:
1453                                         debug_print(
1454                                                 _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1455                         }
1456
1457                         if (val == G_ALERTALTERNATE) {
1458                                 folderview_select_next_unread(summaryview->folderview);
1459                                 return;
1460                         } 
1461                         else
1462                                 return;
1463                 } else
1464                         summary_select_node(summaryview, node, TRUE, FALSE);
1465
1466         }
1467 }
1468
1469 void summary_select_prev_new(SummaryView *summaryview)
1470 {
1471         GtkCTreeNode *node;
1472         gboolean skip_cur = FALSE;
1473
1474         if (summaryview->displayed 
1475         &&  summaryview->selected == summaryview->displayed) {
1476                 debug_print("skipping current\n");
1477                 skip_cur = TRUE;
1478         }
1479
1480         node = summary_find_prev_flagged_msg
1481                 (summaryview, summaryview->selected, MSG_NEW, skip_cur);
1482
1483         if (!node || node == summaryview->selected) {
1484                 AlertValue val = 0;
1485
1486                 switch (prefs_common.next_unread_msg_dialog) {
1487                         case NEXTUNREADMSGDIALOG_ALWAYS:
1488                                 val = alertpanel(_("No more new messages"),
1489                                                  _("No new message found. "
1490                                                    "Search from the end?"),
1491                                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1492                                 break;
1493                         case NEXTUNREADMSGDIALOG_ASSUME_YES:
1494                                 val = G_ALERTALTERNATE;
1495                                 break;
1496                         case NEXTUNREADMSGDIALOG_ASSUME_NO:
1497                                 val = !G_ALERTALTERNATE;
1498                                 break;
1499                         default:
1500                                 debug_print(
1501                                         _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1502                 }
1503                 if (val != G_ALERTALTERNATE) return;
1504                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1505                                                      MSG_NEW, FALSE);
1506         }
1507
1508         if (!node)
1509                 alertpanel_notice(_("No new messages."));
1510         else
1511                 summary_select_node(summaryview, node, TRUE, FALSE);
1512 }
1513
1514 void summary_select_next_new(SummaryView *summaryview)
1515 {
1516         GtkCTreeNode *node = summaryview->selected;
1517         gboolean skip_cur = FALSE;
1518         
1519         if (summaryview->displayed 
1520         &&  summaryview->selected == summaryview->displayed) {
1521                 debug_print("skipping cur (%p %p)\n",
1522                         summaryview->displayed, summaryview->selected);
1523                 skip_cur = TRUE;
1524         }
1525
1526
1527         node = summary_find_next_flagged_msg
1528                 (summaryview, node, MSG_NEW, skip_cur);
1529         
1530         if (node)
1531                 summary_select_node(summaryview, node, TRUE, FALSE);
1532         else {
1533                 node = summary_find_next_flagged_msg
1534                         (summaryview, NULL, MSG_NEW, FALSE);
1535                 if (node == NULL || node == summaryview->selected) {
1536                         AlertValue val = 0;
1537
1538                         switch (prefs_common.next_unread_msg_dialog) {
1539                                 case NEXTUNREADMSGDIALOG_ALWAYS:
1540                                         val = alertpanel(_("No more new messages"),
1541                                                          _("No new message found. "
1542                                                            "Go to next folder?"),
1543                                                          GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1544                                         break;
1545                                 case NEXTUNREADMSGDIALOG_ASSUME_YES:
1546                                         val = G_ALERTALTERNATE;
1547                                         break;
1548                                 case NEXTUNREADMSGDIALOG_ASSUME_NO:
1549                                         val = G_ALERTOTHER;
1550                                         break;
1551                                 default:
1552                                         debug_print(
1553                                                 _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1554                         }
1555
1556                         if (val == G_ALERTALTERNATE) {
1557                                 folderview_select_next_new(summaryview->folderview);
1558                                 return;
1559                         } 
1560                         else
1561                                 return;
1562                 } else
1563                         summary_select_node(summaryview, node, TRUE, FALSE);
1564
1565         }
1566 }
1567
1568 void summary_select_prev_marked(SummaryView *summaryview)
1569 {
1570         GtkCTreeNode *node;
1571
1572         node = summary_find_prev_flagged_msg
1573                 (summaryview, summaryview->selected, MSG_MARKED, TRUE);
1574
1575         if (!node) {
1576                 AlertValue val;
1577
1578                 val = alertpanel(_("No more marked messages"),
1579                                  _("No marked message found. "
1580                                    "Search from the end?"),
1581                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1582                 if (val != G_ALERTALTERNATE) return;
1583                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1584                                                      MSG_MARKED, TRUE);
1585         }
1586
1587         if (!node)
1588                 alertpanel_notice(_("No marked messages."));
1589         else
1590                 summary_select_node(summaryview, node, TRUE, FALSE);
1591 }
1592
1593 void summary_select_next_marked(SummaryView *summaryview)
1594 {
1595         GtkCTreeNode *node;
1596
1597         node = summary_find_next_flagged_msg
1598                 (summaryview, summaryview->selected, MSG_MARKED, TRUE);
1599
1600         if (!node) {
1601                 AlertValue val;
1602
1603                 val = alertpanel(_("No more marked messages"),
1604                                  _("No marked message found. "
1605                                    "Search from the beginning?"),
1606                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1607                 if (val != G_ALERTALTERNATE) return;
1608                 node = summary_find_next_flagged_msg(summaryview, NULL,
1609                                                      MSG_MARKED, TRUE);
1610         }
1611
1612         if (!node)
1613                 alertpanel_notice(_("No marked messages."));
1614         else
1615                 summary_select_node(summaryview, node, TRUE, FALSE);
1616 }
1617
1618 void summary_select_prev_labeled(SummaryView *summaryview)
1619 {
1620         GtkCTreeNode *node;
1621
1622         node = summary_find_prev_flagged_msg
1623                 (summaryview, summaryview->selected, MSG_CLABEL_FLAG_MASK, TRUE);
1624
1625         if (!node) {
1626                 AlertValue val;
1627
1628                 val = alertpanel(_("No more labeled messages"),
1629                                  _("No labeled message found. "
1630                                    "Search from the end?"),
1631                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1632                 if (val != G_ALERTALTERNATE) return;
1633                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1634                                                      MSG_CLABEL_FLAG_MASK, TRUE);
1635         }
1636
1637         if (!node)
1638                 alertpanel_notice(_("No labeled messages."));
1639         else
1640                 summary_select_node(summaryview, node, TRUE, FALSE);
1641 }
1642
1643 void summary_select_next_labeled(SummaryView *summaryview)
1644 {
1645         GtkCTreeNode *node;
1646
1647         node = summary_find_next_flagged_msg
1648                 (summaryview, summaryview->selected, MSG_CLABEL_FLAG_MASK, TRUE);
1649
1650         if (!node) {
1651                 AlertValue val;
1652
1653                 val = alertpanel(_("No more labeled messages"),
1654                                  _("No labeled message found. "
1655                                    "Search from the beginning?"),
1656                                  GTK_STOCK_NO, "+"GTK_STOCK_YES, NULL);
1657                 if (val != G_ALERTALTERNATE) return;
1658                 node = summary_find_next_flagged_msg(summaryview, NULL,
1659                                                      MSG_CLABEL_FLAG_MASK, TRUE);
1660         }
1661
1662         if (!node)
1663                 alertpanel_notice(_("No labeled messages."));
1664         else
1665                 summary_select_node(summaryview, node, TRUE, FALSE);
1666 }
1667
1668 void summary_select_by_msgnum(SummaryView *summaryview, guint msgnum)
1669 {
1670         GtkCTreeNode *node;
1671
1672         node = summary_find_msg_by_msgnum(summaryview, msgnum);
1673         summary_select_node(summaryview, node, FALSE, TRUE);
1674 }
1675
1676 /**
1677  * summary_select_node:
1678  * @summaryview: Summary view.
1679  * @node: Summary tree node.
1680  * @display_msg: TRUE to display the selected message.
1681  * @do_refresh: TRUE to refresh the widget.
1682  *
1683  * Select @node (bringing it into view by scrolling and expanding its
1684  * thread, if necessary) and unselect all others.  If @display_msg is
1685  * TRUE, display the corresponding message in the message view.
1686  * If @do_refresh is TRUE, the widget is refreshed.
1687  **/
1688 void summary_select_node(SummaryView *summaryview, GtkCTreeNode *node,
1689                          gboolean display_msg, gboolean do_refresh)
1690 {
1691         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1692
1693         if (summary_is_locked(summaryview))
1694                 return;
1695         if (!summaryview->folder_item)
1696                 return;
1697         if (node) {
1698                 gtkut_ctree_expand_parent_all(ctree, node);
1699                 if (do_refresh) {
1700                         summary_lock(summaryview);
1701                         GTK_EVENTS_FLUSH();
1702                         summary_unlock(summaryview);
1703                         gtk_widget_grab_focus(GTK_WIDGET(ctree));
1704                         if (GTK_CTREE_ROW(node) == NULL) {
1705                                 g_warning("crash avoidance hack 1\n");
1706                                 return;
1707                         }
1708                         if (((GtkCListRow *)(GTK_CTREE_ROW(node)))->state < GTK_STATE_NORMAL
1709                         ||  ((GtkCListRow *)(GTK_CTREE_ROW(node)))->state > GTK_STATE_INSENSITIVE) {
1710                                 g_warning("crash avoidance hack 2\n");
1711                                 return;
1712                         }
1713                         gtk_ctree_node_moveto(ctree, node, 0, 0.5, 0);
1714                 }
1715                 summary_unselect_all(summaryview);
1716                 if (display_msg && summaryview->displayed == node)
1717                         summaryview->displayed = NULL;
1718                 summaryview->display_msg = display_msg;
1719                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1720                 if (summaryview->selected == NULL)
1721                         summaryview->selected = node;
1722         }
1723 }
1724
1725 guint summary_get_msgnum(SummaryView *summaryview, GtkCTreeNode *node)
1726 {
1727         GtkCTree *ctree =NULL;
1728         MsgInfo *msginfo;
1729
1730         if (!summaryview)
1731                 return 0;
1732         ctree = GTK_CTREE(summaryview->ctree);
1733         if (!node)
1734                 return 0;
1735         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1736         if (msginfo)
1737                 return msginfo->msgnum;
1738         else 
1739                 return -1;
1740 }
1741
1742 static GtkCTreeNode *summary_find_prev_msg(SummaryView *summaryview,
1743                                            GtkCTreeNode *current_node)
1744 {
1745         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1746         GtkCTreeNode *node;
1747         MsgInfo *msginfo;
1748
1749         if (current_node)
1750                 node = current_node;
1751         else
1752                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1753
1754         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1755                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1756                 if (msginfo && !MSG_IS_DELETED(msginfo->flags)) break;
1757         }
1758
1759         return node;
1760 }
1761
1762 static GtkCTreeNode *summary_find_next_msg(SummaryView *summaryview,
1763                                            GtkCTreeNode *current_node)
1764 {
1765         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1766         GtkCTreeNode *node;
1767         MsgInfo *msginfo;
1768
1769         if (current_node)
1770                 node = current_node;
1771         else
1772                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1773
1774         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1775                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1776                 if (msginfo && !MSG_IS_DELETED(msginfo->flags)) break;
1777         }
1778
1779         return node;
1780 }
1781
1782 static GtkCTreeNode *summary_find_prev_flagged_msg(SummaryView *summaryview,
1783                                                    GtkCTreeNode *current_node,
1784                                                    MsgPermFlags flags,
1785                                                    gboolean start_from_prev)
1786 {
1787         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1788         GtkCTreeNode *node;
1789         MsgInfo *msginfo;
1790
1791         if (current_node) {
1792                 if (start_from_prev)
1793                         node = GTK_CTREE_NODE_PREV(current_node);
1794                 else
1795                         node = current_node;
1796         } else
1797                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1798
1799         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1800                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1801                 if (msginfo && (msginfo->flags.perm_flags & flags) != 0) break;
1802         }
1803
1804         return node;
1805 }
1806
1807 static GtkCTreeNode *summary_find_next_flagged_msg(SummaryView *summaryview,
1808                                                    GtkCTreeNode *current_node,
1809                                                    MsgPermFlags flags,
1810                                                    gboolean start_from_next)
1811 {
1812         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1813         GtkCTreeNode *node;
1814         MsgInfo *msginfo;
1815
1816         if (current_node) {
1817                 if (start_from_next)
1818                         node = gtkut_ctree_node_next(ctree, current_node);
1819                 else
1820                         node = current_node;
1821         } else
1822                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1823
1824         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1825                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1826                 /* Find msg with matching flags but ignore messages with
1827                    ignore flags, if searching for new or unread messages */
1828                 if ((msginfo && (msginfo->flags.perm_flags & flags) != 0) &&
1829                     !(((flags & (MSG_NEW | MSG_UNREAD)) != 0) && MSG_IS_IGNORE_THREAD(msginfo->flags)) 
1830                         )
1831                         break;
1832         }
1833
1834         return node;
1835 }
1836
1837 static GtkCTreeNode *summary_find_msg_by_msgnum(SummaryView *summaryview,
1838                                                 guint msgnum)
1839 {
1840         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1841         GtkCTreeNode *node;
1842         MsgInfo *msginfo;
1843
1844         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1845
1846         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1847                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1848                 if (msginfo && msginfo->msgnum == msgnum) break;
1849         }
1850
1851         return node;
1852 }
1853
1854 static guint attract_hash_func(gconstpointer key)
1855 {
1856         gchar *str;
1857         gchar *p;
1858         guint h;
1859
1860         Xstrdup_a(str, (const gchar *)key, return 0);
1861         trim_subject(str);
1862
1863         p = str;
1864         h = *p;
1865
1866         if (h) {
1867                 for (p += 1; *p != '\0'; p++)
1868                         h = (h << 5) - h + *p;
1869         }
1870
1871         return h;
1872 }
1873
1874 static gint attract_compare_func(gconstpointer a, gconstpointer b)
1875 {
1876         return subject_compare((const gchar *)a, (const gchar *)b) == 0;
1877 }
1878
1879 void summary_attract_by_subject(SummaryView *summaryview)
1880 {
1881         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1882         GtkCList *clist = GTK_CLIST(ctree);
1883         GtkCTreeNode *src_node;
1884         GtkCTreeNode *dst_node, *sibling;
1885         GtkCTreeNode *tmp;
1886         MsgInfo *src_msginfo, *dst_msginfo;
1887         GHashTable *subject_table;
1888
1889         debug_print("Attracting messages by subject...");
1890         STATUSBAR_PUSH(summaryview->mainwin,
1891                        _("Attracting messages by subject..."));
1892
1893         main_window_cursor_wait(summaryview->mainwin);
1894         gtk_clist_freeze(clist);
1895
1896         subject_table = g_hash_table_new(attract_hash_func,
1897                                          attract_compare_func);
1898
1899         for (src_node = GTK_CTREE_NODE(clist->row_list);
1900              src_node != NULL;
1901              src_node = tmp) {
1902                 tmp = GTK_CTREE_ROW(src_node)->sibling;
1903                 src_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(src_node);
1904                 if (!src_msginfo) continue;
1905                 if (!src_msginfo->subject) continue;
1906
1907                 /* find attracting node */
1908                 dst_node = g_hash_table_lookup(subject_table,
1909                                                src_msginfo->subject);
1910
1911                 if (dst_node) {
1912                         dst_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(dst_node);
1913
1914                         /* if the time difference is more than 20 days,
1915                            don't attract */
1916                         if (ABS(src_msginfo->date_t - dst_msginfo->date_t)
1917                             > 60 * 60 * 24 * 20)
1918                                 continue;
1919
1920                         sibling = GTK_CTREE_ROW(dst_node)->sibling;
1921                         if (src_node != sibling)
1922                                 gtk_ctree_move(ctree, src_node, NULL, sibling);
1923                 }
1924
1925                 g_hash_table_insert(subject_table,
1926                                     src_msginfo->subject, src_node);
1927         }
1928
1929         g_hash_table_destroy(subject_table);
1930
1931         gtk_ctree_node_moveto(ctree, summaryview->selected, 0, 0.5, 0);
1932
1933         gtk_clist_thaw(clist);
1934
1935         debug_print("done.\n");
1936         STATUSBAR_POP(summaryview->mainwin);
1937
1938         main_window_cursor_normal(summaryview->mainwin);
1939 }
1940
1941 static void summary_free_msginfo_func(GtkCTree *ctree, GtkCTreeNode *node,
1942                                       gpointer data)
1943 {
1944         MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, node);
1945
1946         if (msginfo)
1947                 procmsg_msginfo_free(msginfo);
1948 }
1949
1950 static void summary_set_marks_func(GtkCTree *ctree, GtkCTreeNode *node,
1951                                    gpointer data)
1952 {
1953         SummaryView *summaryview = data;
1954         MsgInfo *msginfo;
1955
1956         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1957
1958         if (msginfo && msginfo->folder && msginfo->folder->folder &&
1959             msginfo->folder->folder->klass->type == F_NEWS)
1960                 news_flag_crosspost(msginfo);
1961
1962         if (MSG_IS_DELETED(msginfo->flags))
1963                 summaryview->deleted++;
1964
1965         summaryview->total_size += msginfo->size;
1966
1967         summary_set_row_marks(summaryview, node);
1968 }
1969
1970 static void summary_update_status(SummaryView *summaryview)
1971 {
1972         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1973         GtkCTreeNode *node;
1974         MsgInfo *msginfo;
1975
1976         summaryview->total_size =
1977         summaryview->deleted = summaryview->moved = summaryview->copied = 0;
1978
1979         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1980              node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1981                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
1982
1983                 if (MSG_IS_DELETED(msginfo->flags))
1984                         summaryview->deleted++;
1985                 if (MSG_IS_MOVE(msginfo->flags))
1986                         summaryview->moved++;
1987                 if (MSG_IS_COPY(msginfo->flags))
1988                         summaryview->copied++;
1989                 summaryview->total_size += msginfo->size;
1990         }
1991 }
1992
1993 static void summary_status_show(SummaryView *summaryview)
1994 {
1995         gchar *str;
1996         gchar *del, *mv, *cp;
1997         gchar *sel;
1998         gchar *spc;
1999         gchar *itstr;
2000         GList *rowlist, *cur;
2001         guint n_selected = 0, n_new = 0, n_unread = 0, n_total = 0;
2002         off_t sel_size = 0, n_size = 0;
2003         MsgInfo *msginfo;
2004         gchar *name;
2005         
2006         if (!summaryview->folder_item) {
2007                 gtk_label_set_text(GTK_LABEL(summaryview->statlabel_folder), "");
2008                 gtk_label_set_text(GTK_LABEL(summaryview->statlabel_select), "");
2009                 gtk_label_set_text(GTK_LABEL(summaryview->statlabel_msgs),   "");
2010                 return;
2011         }
2012
2013         rowlist = GTK_CLIST(summaryview->ctree)->selection;
2014         for (cur = rowlist; cur != NULL && cur->data != NULL; cur = cur->next) {
2015                 msginfo = gtk_ctree_node_get_row_data
2016                         (GTK_CTREE(summaryview->ctree),
2017                          GTK_CTREE_NODE(cur->data));
2018                 if (!msginfo)
2019                         g_warning("summary_status_show(): msginfo == NULL\n");
2020                 else {
2021                         sel_size += msginfo->size;
2022                         n_selected++;
2023                         
2024                 }
2025         }
2026         
2027         if (summaryview->folder_item->hide_read_msgs 
2028         || quicksearch_is_active(summaryview->quicksearch)) {
2029                 rowlist = GTK_CLIST(summaryview->ctree)->row_list;
2030                 for (cur = rowlist; cur != NULL && cur->data != NULL; cur = cur->next) {
2031                         msginfo = gtk_ctree_node_get_row_data
2032                                 (GTK_CTREE(summaryview->ctree),
2033                                  GTK_CTREE_NODE(cur));
2034                         if (!msginfo)
2035                                 g_warning("summary_status_show(): msginfo == NULL\n");
2036                         else {
2037                                 n_size += msginfo->size;
2038                                 n_total++;
2039                                 if (MSG_IS_NEW(msginfo->flags))
2040                                         n_new++;
2041                                 if (MSG_IS_UNREAD(msginfo->flags))
2042                                         n_unread++;
2043                         }
2044                 }
2045         } else {
2046                 n_new = summaryview->folder_item->new_msgs;
2047                 n_unread = summaryview->folder_item->unread_msgs;
2048                 n_total = summaryview->folder_item->total_msgs;
2049                 n_size = summaryview->total_size;
2050         }
2051
2052         name = folder_item_get_name(summaryview->folder_item);
2053         gtk_label_set_text(GTK_LABEL(summaryview->statlabel_folder), name);
2054         g_free(name);
2055
2056         if (summaryview->deleted)
2057                 del = g_strdup_printf(_("%d deleted"), summaryview->deleted);
2058         else
2059                 del = g_strdup("");
2060         if (summaryview->moved)
2061                 mv = g_strdup_printf(_("%s%d moved"),
2062                                      summaryview->deleted ? _(", ") : "",
2063                                      summaryview->moved);
2064         else
2065                 mv = g_strdup("");
2066         if (summaryview->copied)
2067                 cp = g_strdup_printf(_("%s%d copied"),
2068                                      summaryview->deleted ||
2069                                      summaryview->moved ? _(", ") : "",
2070                                      summaryview->copied);
2071         else
2072                 cp = g_strdup("");
2073
2074         if (summaryview->deleted || summaryview->moved || summaryview->copied)
2075                 spc = "    ";
2076         else
2077                 spc = "";
2078
2079         if (n_selected) {
2080                 sel = g_strdup_printf(" (%s)", to_human_readable(sel_size));
2081                 if (n_selected == 1)
2082                         itstr = g_strdup(_(" item selected"));
2083                 else
2084                         itstr = g_strdup(_(" items selected"));
2085         } else {
2086                 sel = g_strdup("");
2087                 itstr = g_strdup("");
2088         }
2089                 
2090         str = g_strconcat(n_selected ? itos(n_selected) : "",
2091                                         itstr, sel, spc, del, mv, cp, NULL);
2092         gtk_label_set_text(GTK_LABEL(summaryview->statlabel_select), str);
2093         g_free(str);
2094         g_free(sel);
2095         g_free(del);
2096         g_free(mv);
2097         g_free(cp);
2098         g_free(itstr);
2099
2100         str = g_strdup_printf(_("%d new, %d unread, %d total (%s)"),
2101
2102                                       n_new, n_unread, n_total,
2103                                       to_human_readable(n_size));
2104         gtk_label_set_text(GTK_LABEL(summaryview->statlabel_msgs), str);
2105         g_free(str);
2106 }
2107
2108 static void summary_set_column_titles(SummaryView *summaryview)
2109 {
2110         GtkCList *clist = GTK_CLIST(summaryview->ctree);
2111         FolderItem *item = summaryview->folder_item;
2112         GtkWidget *hbox;
2113         GtkWidget *label;
2114         GtkWidget *arrow;
2115         gint pos;
2116         const gchar *title;
2117         SummaryColumnType type;
2118         GtkJustification justify;
2119
2120         static FolderSortKey sort_by[N_SUMMARY_COLS] = {
2121                 SORT_BY_MARK,
2122                 SORT_BY_STATUS,
2123                 SORT_BY_MIME,
2124                 SORT_BY_SUBJECT,
2125                 SORT_BY_FROM,
2126                 SORT_BY_TO,
2127                 SORT_BY_DATE,
2128                 SORT_BY_SIZE,
2129                 SORT_BY_NUMBER,
2130                 SORT_BY_SCORE,
2131                 SORT_BY_LOCKED
2132         };
2133
2134         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
2135                 type = summaryview->col_state[pos].type;
2136
2137                 /* CLAWS: mime and unread are single char headers */
2138                 justify = (type == S_COL_NUMBER || type == S_COL_SIZE)
2139                         ? GTK_JUSTIFY_RIGHT : GTK_JUSTIFY_LEFT;
2140
2141                 switch (type) {
2142                 case S_COL_SUBJECT:
2143                 case S_COL_FROM:
2144                 case S_COL_TO:
2145                 case S_COL_DATE:
2146                 case S_COL_NUMBER:
2147                         if(type == S_COL_FROM && item != NULL &&
2148                                         FOLDER_SHOWS_TO_HDR(item))
2149                                 type = S_COL_TO;
2150                         if (prefs_common.trans_hdr)
2151                                 title = gettext(col_label[type]);
2152                         else
2153                                 title = col_label[type];
2154                         break;
2155                 default:
2156                         title = gettext(col_label[type]);
2157                 }
2158
2159                 if (type == S_COL_MIME) {
2160                         label = gtk_image_new_from_pixmap(clipxpm, clipxpmmask);
2161                         gtk_widget_show(label);
2162                         gtk_clist_set_column_widget(clist, pos, label);
2163                         continue;
2164                 } else if (type == S_COL_MARK) {
2165                         label = gtk_image_new_from_pixmap(markxpm, markxpmmask);
2166                         gtk_widget_show(label);
2167                         gtk_clist_set_column_widget(clist, pos, label);
2168                         continue;
2169                 } else if (type == S_COL_LOCKED) {
2170                         label = gtk_image_new_from_pixmap(lockedxpm, lockedxpmmask);
2171                         gtk_widget_show(label);
2172                         gtk_clist_set_column_widget(clist, pos, label);
2173                         continue;
2174                 } else if (type == S_COL_STATUS) {
2175                         gtk_clist_set_column_title(clist, pos, title);
2176                         continue;
2177                 }
2178
2179                 hbox  = gtk_hbox_new(FALSE, 4);
2180                 label = gtk_label_new(title);
2181
2182                 if (justify == GTK_JUSTIFY_RIGHT)
2183                         gtk_box_pack_end(GTK_BOX(hbox), label,
2184                                          FALSE, FALSE, 0);
2185                 else
2186                         gtk_box_pack_start(GTK_BOX(hbox), label,
2187                                            FALSE, FALSE, 0);
2188
2189                 if (summaryview->sort_key == sort_by[type]) {
2190                         arrow = gtk_arrow_new
2191                                 (summaryview->sort_type == SORT_ASCENDING
2192                                  ? GTK_ARROW_DOWN : GTK_ARROW_UP,
2193                                  GTK_SHADOW_IN);
2194                         if (justify == GTK_JUSTIFY_RIGHT)
2195                                 gtk_box_pack_start(GTK_BOX(hbox), arrow,
2196                                                    FALSE, FALSE, 0);
2197                         else
2198                                 gtk_box_pack_end(GTK_BOX(hbox), arrow,
2199                                                  FALSE, FALSE, 0);
2200                 }
2201
2202                 gtk_widget_show_all(hbox);
2203                 gtk_clist_set_column_widget(clist, pos, hbox);
2204         }
2205 }
2206
2207 void summary_reflect_prefs(void)
2208 {
2209         static gchar *last_font = NULL;
2210         gboolean update_font = TRUE;
2211         SummaryView *summaryview = NULL;
2212
2213         if (!mainwindow_get_mainwindow())
2214                 return;
2215         summaryview = mainwindow_get_mainwindow()->summaryview;
2216
2217         if (last_font && !strcmp(last_font, NORMAL_FONT))
2218                 update_font = FALSE;
2219
2220         g_free(last_font);
2221         
2222         last_font = g_strdup(NORMAL_FONT);
2223
2224         if (update_font) {      
2225                 bold_style = bold_marked_style = bold_deleted_style = 
2226                         small_style = small_marked_style = small_deleted_style = NULL;
2227                 summary_set_fonts(summaryview);
2228         }
2229
2230         summary_set_column_titles(summaryview);
2231         summary_show(summaryview, summaryview->folder_item);
2232 }
2233
2234 void summary_sort(SummaryView *summaryview,
2235                   FolderSortKey sort_key, FolderSortType sort_type)
2236 {
2237         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2238         GtkCList *clist = GTK_CLIST(summaryview->ctree);
2239         GtkCListCompareFunc cmp_func = NULL;
2240         g_signal_handlers_block_by_func(G_OBJECT(summaryview->ctree),
2241                                        G_CALLBACK(summary_tree_expanded), summaryview);
2242         gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
2243
2244         switch (sort_key) {
2245         case SORT_BY_MARK:
2246                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mark;
2247                 break;
2248         case SORT_BY_STATUS:
2249                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_status;
2250                 break;
2251         case SORT_BY_MIME:
2252                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mime;
2253                 break;
2254         case SORT_BY_NUMBER:
2255                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_num;
2256                 break;
2257         case SORT_BY_SIZE:
2258                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_size;
2259                 break;
2260         case SORT_BY_DATE:
2261                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_date;
2262                 break;
2263         case SORT_BY_FROM:
2264                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_from;
2265                 break;
2266         case SORT_BY_SUBJECT:
2267                 if (summaryview->simplify_subject_preg)
2268                         cmp_func = (GtkCListCompareFunc)summary_cmp_by_simplified_subject;
2269                 else
2270                         cmp_func = (GtkCListCompareFunc)summary_cmp_by_subject;
2271                 break;
2272         case SORT_BY_SCORE:
2273                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_score;
2274                 break;
2275         case SORT_BY_LABEL:
2276                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_label;
2277                 break;
2278         case SORT_BY_TO:
2279                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_to;
2280                 break;
2281         case SORT_BY_LOCKED:
2282                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_locked;
2283                 break;
2284         case SORT_BY_NONE:
2285                 break;
2286         default:
2287                 goto unlock;
2288         }
2289
2290         summaryview->sort_key = sort_key;
2291         summaryview->sort_type = sort_type;
2292
2293         summary_set_column_titles(summaryview);
2294         summary_set_menu_sensitive(summaryview);
2295
2296         /* allow fallback to don't sort */
2297         if (summaryview->sort_key == SORT_BY_NONE)
2298                 goto unlock;
2299
2300         if (cmp_func != NULL) {
2301                 debug_print("Sorting summary...");
2302                 STATUSBAR_PUSH(summaryview->mainwin, _("Sorting summary..."));
2303
2304                 main_window_cursor_wait(summaryview->mainwin);
2305
2306                 gtk_clist_freeze(clist);
2307                 gtk_clist_set_compare_func(clist, cmp_func);
2308
2309                 gtk_clist_set_sort_type(clist, (GtkSortType)sort_type);
2310
2311                 gtk_sctree_sort_recursive(ctree, NULL);
2312
2313                 gtk_ctree_node_moveto(ctree, summaryview->selected, 0, 0.5, 0);
2314
2315                 main_window_cursor_normal(summaryview->mainwin);
2316                 gtk_clist_thaw(clist);
2317
2318                 debug_print("done.\n");
2319                 STATUSBAR_POP(summaryview->mainwin);
2320         }
2321 unlock:
2322         gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
2323         g_signal_handlers_unblock_by_func(G_OBJECT(summaryview->ctree),
2324                                        G_CALLBACK(summary_tree_expanded), summaryview);
2325 }
2326
2327 gboolean summary_insert_gnode_func(GtkCTree *ctree, guint depth, GNode *gnode,
2328                                    GtkCTreeNode *cnode, gpointer data)
2329 {
2330         SummaryView *summaryview = (SummaryView *)data;
2331         MsgInfo *msginfo = (MsgInfo *)gnode->data;
2332         gchar *text[N_SUMMARY_COLS];
2333         gint *col_pos = summaryview->col_pos;
2334         const gchar *msgid = msginfo->msgid;
2335         GHashTable *msgid_table = summaryview->msgid_table;
2336         gboolean free_from = FALSE;
2337         
2338         summary_set_header(summaryview, text, msginfo, &free_from);
2339
2340         gtk_sctree_set_node_info(ctree, cnode, text[col_pos[S_COL_SUBJECT]], 2,
2341                                 NULL, NULL, NULL, NULL, FALSE,
2342                                 gnode->parent->parent ? TRUE : FALSE);
2343 #define SET_TEXT(col) \
2344         gtk_ctree_node_set_text(ctree, cnode, col_pos[col], \
2345                                 text[col_pos[col]])
2346
2347         SET_TEXT(S_COL_NUMBER);
2348         SET_TEXT(S_COL_SCORE);
2349         SET_TEXT(S_COL_SIZE);
2350         SET_TEXT(S_COL_DATE);
2351         SET_TEXT(S_COL_FROM);
2352         SET_TEXT(S_COL_TO);
2353         /* SET_TEXT(S_COL_SUBJECT);  already set by node info */
2354
2355         if (free_from) {
2356                 g_free(text[col_pos[S_COL_FROM]]);
2357                 text[col_pos[S_COL_FROM]] = NULL;
2358         }
2359
2360 #undef SET_TEXT
2361
2362         GTKUT_CTREE_NODE_SET_ROW_DATA(cnode, msginfo);
2363         summary_set_marks_func(ctree, cnode, summaryview);
2364
2365         if (msgid && msgid[0] != '\0')
2366                 g_hash_table_insert(msgid_table, (gchar *)msgid, cnode);
2367
2368         return TRUE;
2369 }
2370
2371 static void summary_set_ctree_from_list(SummaryView *summaryview,
2372                                         GSList *mlist)
2373 {
2374         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2375         MsgInfo *msginfo;
2376         GtkCTreeNode *node = NULL;
2377         GHashTable *msgid_table;
2378         GHashTable *subject_table;
2379         GSList * cur;
2380         START_TIMING("summary_set_ctree_from_list");
2381         
2382         if (!mlist) return;
2383
2384         debug_print("\tSetting summary from message data...");
2385         STATUSBAR_PUSH(summaryview->mainwin,
2386                        _("Setting summary from message data..."));
2387         gdk_flush();
2388
2389         g_signal_handlers_block_by_func(G_OBJECT(ctree),
2390                                        G_CALLBACK(summary_tree_expanded), summaryview);
2391
2392         msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
2393         summaryview->msgid_table = msgid_table;
2394         subject_table = g_hash_table_new(g_str_hash, g_str_equal);
2395         summaryview->subject_table = subject_table;
2396
2397         if (prefs_common.use_addr_book)
2398                 start_address_completion();
2399         
2400         if (summaryview->threaded) {
2401                 GNode *root, *gnode;
2402
2403                 root = procmsg_get_thread_tree(mlist);
2404
2405                 for (gnode = root->children; gnode != NULL;
2406                      gnode = gnode->next) {
2407                         node = gtk_ctree_insert_gnode
2408                                 (ctree, NULL, node, gnode,
2409                                  summary_insert_gnode_func, summaryview);
2410                 }
2411
2412                 g_node_destroy(root);
2413                 
2414                 summary_thread_init(summaryview);
2415         } else {
2416                 gchar *text[N_SUMMARY_COLS];
2417                 gboolean free_from = FALSE;
2418                 gint *col_pos = summaryview->col_pos;
2419
2420                 cur = mlist;
2421                 for (; mlist != NULL; mlist = mlist->next) {
2422                         msginfo = (MsgInfo *)mlist->data;
2423
2424                         summary_set_header(summaryview, text, msginfo, &free_from);
2425
2426                         node = gtk_sctree_insert_node
2427                                 (ctree, NULL, node, text, 2,
2428                                  NULL, NULL, NULL, NULL,
2429                                  FALSE, FALSE);
2430                         if (free_from) {
2431                                 g_free(text[col_pos[S_COL_FROM]]);
2432                                 text[col_pos[S_COL_FROM]] = NULL;
2433                         }
2434                         GTKUT_CTREE_NODE_SET_ROW_DATA(node, msginfo);
2435                         summary_set_marks_func(ctree, node, summaryview);
2436
2437                         if (msginfo->msgid && msginfo->msgid[0] != '\0')
2438                                 g_hash_table_insert(msgid_table,
2439                                                     msginfo->msgid, node);
2440
2441                         subject_table_insert(subject_table,
2442                                              msginfo->subject,
2443                                              node);
2444                 }
2445                 mlist = cur;
2446         }
2447
2448         if (prefs_common.enable_hscrollbar &&
2449             summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
2450                 gint optimal_width;
2451
2452                 optimal_width = gtk_clist_optimal_column_width
2453                         (GTK_CLIST(ctree), summaryview->col_pos[S_COL_SUBJECT]);
2454                 gtk_clist_set_column_width(GTK_CLIST(ctree),
2455                                            summaryview->col_pos[S_COL_SUBJECT],
2456                                            optimal_width);
2457         }
2458
2459         if (prefs_common.use_addr_book)
2460                 end_address_completion();
2461
2462         debug_print("done.\n");
2463         STATUSBAR_POP(summaryview->mainwin);
2464         if (debug_get_mode()) {
2465                 debug_print("\tmsgid hash table size = %d\n",
2466                             g_hash_table_size(msgid_table));
2467                 debug_print("\tsubject hash table size = %d\n",
2468                             g_hash_table_size(subject_table));
2469         }
2470
2471         summary_sort(summaryview, summaryview->sort_key, summaryview->sort_type);
2472
2473         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
2474
2475         if (prefs_common.bold_unread) {
2476                 while (node) {
2477                         GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
2478                         if (GTK_CTREE_ROW(node)->children)
2479                                 summary_set_row_marks(summaryview, node);
2480                         node = next;
2481                 }
2482         }
2483
2484         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
2485                                        G_CALLBACK(summary_tree_expanded), summaryview);
2486         END_TIMING();
2487 }
2488
2489 static gchar *summary_complete_address(const gchar *addr)
2490 {
2491         gint count;
2492         gchar *res, *tmp, *email_addr;
2493         
2494         if (addr == NULL)
2495                 return NULL;
2496
2497         Xstrdup_a(email_addr, addr, return NULL);
2498         extract_address(email_addr);
2499         g_return_val_if_fail(*email_addr, NULL);
2500
2501         /*
2502          * completion stuff must be already initialized
2503          */
2504         res = NULL;
2505         if (1 < (count = complete_address(email_addr))) {
2506                 tmp = get_complete_address(1);
2507                 res = procheader_get_fromname(tmp);
2508                 g_free(tmp);
2509         }
2510
2511         return res;
2512 }
2513
2514 static void summary_set_header(SummaryView *summaryview, gchar *text[],
2515                                MsgInfo *msginfo, gboolean *free_from)
2516 {
2517         static gchar date_modified[80];
2518         static gchar col_score[11];
2519         static gchar buf[BUFFSIZE];
2520         gint *col_pos = summaryview->col_pos;
2521         gchar *from_text = NULL, *to_text = NULL;
2522         gboolean should_swap = FALSE;
2523
2524         text[col_pos[S_COL_FROM]]   = "";
2525         text[col_pos[S_COL_TO]]     = "";
2526         text[col_pos[S_COL_SUBJECT]]= "";
2527         text[col_pos[S_COL_MARK]]   = "";
2528         text[col_pos[S_COL_STATUS]] = "";
2529         text[col_pos[S_COL_MIME]]   = "";
2530         text[col_pos[S_COL_LOCKED]] = "";
2531         text[col_pos[S_COL_DATE]]   = "";
2532         text[col_pos[S_COL_NUMBER]] = itos(msginfo->msgnum);
2533         text[col_pos[S_COL_SIZE]]   = to_human_readable(msginfo->size);
2534         text[col_pos[S_COL_SCORE]]  = itos_buf(col_score, msginfo->score);
2535
2536         if (msginfo->date_t) {
2537                 procheader_date_get_localtime(date_modified,
2538                                               sizeof(date_modified),
2539                                               msginfo->date_t);
2540                 text[col_pos[S_COL_DATE]] = date_modified;
2541         } else if (msginfo->date)
2542                 text[col_pos[S_COL_DATE]] = msginfo->date;
2543         else
2544                 text[col_pos[S_COL_DATE]] = _("(No Date)");
2545
2546         if (prefs_common.swap_from && msginfo->from && msginfo->to
2547         &&  !summaryview->col_state[summaryview->col_pos[S_COL_TO]].visible) {
2548                 gchar *addr = NULL;
2549                 
2550                 addr = g_strdup(msginfo->from);
2551
2552                 if (addr) {
2553                         extract_address(addr);
2554                         if (account_find_from_address(addr)) {
2555                                 should_swap = TRUE;
2556                         }
2557                         g_free(addr);
2558                 }
2559         }
2560
2561         if (!prefs_common.use_addr_book) {
2562                 from_text = msginfo->fromname ? 
2563                                 msginfo->fromname :
2564                                 _("(No From)");
2565         } else {
2566                 gchar *tmp = summary_complete_address(msginfo->from);
2567                 from_text = tmp ? tmp : (msginfo->fromname ?
2568                                          msginfo->fromname: 
2569                                                 _("(No From)"));
2570         }
2571         
2572         to_text = msginfo->to ? msginfo->to : 
2573                    (msginfo->cc ? msginfo->cc :
2574                      (msginfo->newsgroups ? msginfo->newsgroups : _("(No Recipient)")
2575                      )
2576                    );
2577
2578         text[col_pos[S_COL_TO]] = to_text;
2579         if (!should_swap) {
2580                 text[col_pos[S_COL_FROM]] = from_text;
2581                 *free_from = FALSE;
2582         } else {
2583                 gchar *tmp = NULL;
2584                 tmp = g_strconcat("-->", to_text, NULL);
2585                 text[col_pos[S_COL_FROM]] = tmp;
2586                 *free_from = TRUE;
2587         }
2588         
2589         if (summaryview->simplify_subject_preg != NULL)
2590                 text[col_pos[S_COL_SUBJECT]] = msginfo->subject ? 
2591                         string_remove_match(buf, BUFFSIZE, msginfo->subject, 
2592                                         summaryview->simplify_subject_preg) : 
2593                         _("(No Subject)");
2594         else 
2595                 text[col_pos[S_COL_SUBJECT]] = msginfo->subject ? msginfo->subject :
2596                         _("(No Subject)");
2597 }
2598
2599 static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row)
2600 {
2601         summary_display_msg_full(summaryview, row, FALSE, FALSE);
2602 }
2603
2604 static gboolean defer_change(gpointer data);
2605 typedef struct _ChangeData {
2606         MsgInfo *info;
2607         gint op; /* 0, 1, 2 for unset, set, change */
2608         MsgPermFlags set_flags;
2609         MsgTmpFlags  set_tmp_flags;
2610         MsgPermFlags unset_flags;
2611         MsgTmpFlags  unset_tmp_flags;
2612 } ChangeData;
2613
2614 static void summary_msginfo_unset_flags(MsgInfo *msginfo, MsgPermFlags flags, MsgTmpFlags tmp_flags)
2615 {
2616         if (!msginfo->folder || !msginfo->folder->processing_pending) {
2617                 debug_print("flags: doing unset now\n");
2618                 procmsg_msginfo_unset_flags(msginfo, flags, tmp_flags);
2619         } else {
2620                 ChangeData *unset_data = g_new0(ChangeData, 1);
2621                 unset_data->info = msginfo;
2622                 unset_data->op = 0;
2623                 unset_data->unset_flags = flags;
2624                 unset_data->unset_tmp_flags = tmp_flags;
2625                 debug_print("flags: deferring unset\n");
2626                 g_timeout_add(100, defer_change, unset_data);
2627         }
2628 }
2629
2630 static void summary_msginfo_set_flags(MsgInfo *msginfo, MsgPermFlags flags, MsgTmpFlags tmp_flags)
2631 {
2632         if (!msginfo->folder || !msginfo->folder->processing_pending) {
2633                 debug_print("flags: doing set now\n");
2634                 procmsg_msginfo_set_flags(msginfo, flags, tmp_flags);
2635         } else {
2636                 ChangeData *set_data = g_new0(ChangeData, 1);
2637                 set_data->info = msginfo;
2638                 set_data->op = 1;
2639                 set_data->set_flags = flags;
2640                 set_data->set_tmp_flags = tmp_flags;
2641                 debug_print("flags: deferring set\n");
2642                 g_timeout_add(100, defer_change, set_data);
2643         }
2644 }
2645
2646 static void summary_msginfo_change_flags(MsgInfo *msginfo, 
2647                 MsgPermFlags add_flags, MsgTmpFlags add_tmp_flags,
2648                 MsgPermFlags rem_flags, MsgTmpFlags rem_tmp_flags)
2649 {
2650         if (!msginfo->folder || !msginfo->folder->processing_pending) {
2651                 debug_print("flags: doing change now\n");
2652                 procmsg_msginfo_change_flags(msginfo, add_flags, add_tmp_flags,
2653                         rem_flags, rem_tmp_flags);
2654         } else {
2655                 ChangeData *change_data = g_new0(ChangeData, 1);
2656                 change_data->info = msginfo;
2657                 change_data->op = 2;
2658                 change_data->set_flags = add_flags;
2659                 change_data->set_tmp_flags = add_tmp_flags;
2660                 change_data->unset_flags = rem_flags;
2661                 change_data->unset_tmp_flags = rem_tmp_flags;
2662                 debug_print("flags: deferring change\n");
2663                 g_timeout_add(100, defer_change, change_data);
2664         }
2665 }
2666
2667 gboolean defer_change(gpointer data)
2668 {
2669         ChangeData *chg = (ChangeData *)data;
2670         if (chg->info->folder && chg->info->folder->processing_pending) {
2671                 debug_print("flags: trying later\n");
2672                 return TRUE; /* try again */
2673         } else {
2674                 debug_print("flags: finally doing it\n");
2675                 switch(chg->op) {
2676                 case 0:
2677                         procmsg_msginfo_unset_flags(chg->info, chg->unset_flags, chg->unset_tmp_flags);
2678                         break;
2679                 case 1:
2680                         procmsg_msginfo_set_flags(chg->info, chg->set_flags, chg->set_tmp_flags);
2681                         break;
2682                 case 2:
2683                         procmsg_msginfo_change_flags(chg->info, chg->set_flags, chg->set_tmp_flags,
2684                                 chg->unset_flags, chg->unset_tmp_flags);
2685                         break;
2686                 default:
2687                         g_warning("shouldn't happen\n");
2688                 }
2689                 g_free(chg);
2690         }
2691         return FALSE;
2692 }
2693
2694 static void msginfo_mark_as_read (SummaryView *summaryview, MsgInfo *msginfo,
2695                                       GtkCTreeNode *row)
2696 {
2697         g_return_if_fail(summaryview != NULL);
2698         g_return_if_fail(msginfo != NULL);
2699         g_return_if_fail(row != NULL);
2700
2701         if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
2702                 summary_msginfo_unset_flags
2703                         (msginfo, MSG_NEW | MSG_UNREAD, 0);
2704                 summary_set_row_marks(summaryview, row);
2705                 gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
2706                 summary_status_show(summaryview);
2707         }
2708 }
2709
2710 typedef struct  {
2711         MsgInfo *msginfo;
2712         SummaryView *summaryview;
2713         GtkCTreeNode *row;
2714 } MarkAsReadData;
2715
2716 static int msginfo_mark_as_read_timeout(void *data)
2717 {
2718         MarkAsReadData *mdata = (MarkAsReadData *)data;
2719         if (!mdata)
2720                 return FALSE;
2721         
2722         if (mdata->msginfo == summary_get_selected_msg(mdata->summaryview))
2723                 msginfo_mark_as_read(mdata->summaryview, mdata->msginfo,
2724                                      mdata->row); 
2725
2726         g_free(mdata);
2727
2728         return FALSE;   
2729 }
2730
2731 static void summary_display_msg_full(SummaryView *summaryview,
2732                                      GtkCTreeNode *row,
2733                                      gboolean new_window, gboolean all_headers)
2734 {
2735         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2736         MsgInfo *msginfo;
2737         gint val;
2738
2739         if (!new_window) {
2740                 if (summaryview->displayed == row)
2741                         return;
2742                 else
2743                         summaryview->messageview->filtered = FALSE;
2744         }                       
2745         
2746         g_return_if_fail(row != NULL);
2747
2748         if (summary_is_locked(summaryview)) return;
2749         summary_lock(summaryview);
2750
2751         STATUSBAR_POP(summaryview->mainwin);
2752         GTK_EVENTS_FLUSH();
2753
2754         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2755         
2756         g_return_if_fail(msginfo);
2757
2758         if (new_window) {
2759                 MessageView *msgview;
2760
2761                 msgview = messageview_create_with_new_window(summaryview->mainwin);
2762                 val = messageview_show(msgview, msginfo, all_headers);
2763         } else {
2764                 MessageView *msgview;
2765
2766                 msgview = summaryview->messageview;
2767
2768                 summaryview->displayed = row;
2769                 if (!messageview_is_visible(msgview)) {
2770                         main_window_toggle_message_view(summaryview->mainwin);
2771                         GTK_EVENTS_FLUSH();
2772                 }
2773                 val = messageview_show(msgview, msginfo, all_headers);
2774                 if (GTK_CLIST(msgview->mimeview->ctree)->row_list == NULL)
2775                         gtk_widget_grab_focus(summaryview->ctree);
2776                 gtkut_ctree_node_move_if_on_the_edge(ctree, row);
2777         }
2778
2779         if (val == 0 && MSG_IS_UNREAD(msginfo->flags)) {
2780                 if (prefs_common.mark_as_read_delay) {
2781                         MarkAsReadData *data = g_new0(MarkAsReadData, 1);
2782                         data->summaryview = summaryview;
2783                         data->msginfo = msginfo;
2784                         data->row = row;
2785                         gtk_timeout_add(prefs_common.mark_as_read_delay * 1000,
2786                                 msginfo_mark_as_read_timeout, data);
2787                 } else if (new_window || !prefs_common.mark_as_read_on_new_window) {
2788                         msginfo_mark_as_read(summaryview, msginfo, row);
2789                 }
2790         }
2791
2792         summary_set_menu_sensitive(summaryview);
2793         toolbar_main_set_sensitive(summaryview->mainwin);
2794         messageview_set_menu_sensitive(summaryview->messageview);
2795
2796         summary_unlock(summaryview);
2797 }
2798
2799 void summary_display_msg_selected(SummaryView *summaryview,
2800                                   gboolean all_headers)
2801 {
2802         if (summary_is_locked(summaryview)) return;
2803         summaryview->displayed = NULL;
2804         summary_display_msg_full(summaryview, summaryview->selected, FALSE,
2805                                  all_headers);
2806 }
2807
2808 void summary_redisplay_msg(SummaryView *summaryview)
2809 {
2810         GtkCTreeNode *node;
2811
2812         if (summaryview->displayed) {
2813                 node = summaryview->displayed;
2814                 summaryview->displayed = NULL;
2815                 summary_display_msg(summaryview, node);
2816         }
2817 }
2818
2819 void summary_open_msg(SummaryView *summaryview)
2820 {
2821         if (!summaryview->selected) return;
2822         
2823         /* CLAWS: if separate message view, don't open a new window
2824          * but rather use the current separated message view */
2825         summary_display_msg_full(summaryview, summaryview->selected,
2826                                  prefs_common.sep_msg ? FALSE : TRUE, 
2827                                  FALSE);
2828 }
2829
2830 void summary_view_source(SummaryView * summaryview)
2831 {
2832         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2833         MsgInfo *msginfo;
2834         SourceWindow *srcwin;
2835
2836         if (!summaryview->selected) return;
2837
2838         srcwin = source_window_create();
2839         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
2840         source_window_show_msg(srcwin, msginfo);
2841         source_window_show(srcwin);
2842 }
2843
2844 void summary_reedit(SummaryView *summaryview)
2845 {
2846         MsgInfo *msginfo;
2847
2848         if (!summaryview->selected) return;
2849         if (!summaryview->folder_item) return;
2850         if (!FOLDER_SHOWS_TO_HDR(summaryview->folder_item))
2851                 return;
2852
2853         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
2854                                               summaryview->selected);
2855         if (!msginfo) return;
2856
2857         compose_reedit(msginfo);
2858 }
2859
2860 gboolean summary_step(SummaryView *summaryview, GtkScrollType type)
2861 {
2862         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2863         GtkCTreeNode *node;
2864
2865         if (summary_is_locked(summaryview)) return FALSE;
2866         if (type == GTK_SCROLL_STEP_FORWARD) {
2867                 node = gtkut_ctree_node_next(ctree, summaryview->selected);
2868                 if (node)
2869                         gtkut_ctree_expand_parent_all(ctree, node);
2870                 else
2871                         return FALSE;
2872         } else {
2873                 if (summaryview->selected) {
2874                         node = GTK_CTREE_NODE_PREV(summaryview->selected);
2875                         if (!node) return FALSE;
2876                 }
2877         }
2878
2879         if (messageview_is_visible(summaryview->messageview))
2880                 summaryview->display_msg = TRUE;
2881
2882         g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical", type, 0.0);
2883
2884         if (GTK_CLIST(ctree)->selection)
2885                 gtk_sctree_set_anchor_row
2886                         (GTK_SCTREE(ctree),
2887                          GTK_CTREE_NODE(GTK_CLIST(ctree)->selection->data));
2888
2889         return TRUE;
2890 }
2891
2892 void summary_toggle_view(SummaryView *summaryview)
2893 {
2894         if (!messageview_is_visible(summaryview->messageview) &&
2895             summaryview->selected)
2896                 summary_display_msg(summaryview,
2897                                     summaryview->selected);
2898         else
2899                 main_window_toggle_message_view(summaryview->mainwin);
2900 }
2901
2902 static gboolean summary_search_unread_recursive(GtkCTree *ctree,
2903                                                 GtkCTreeNode *node)
2904 {
2905         MsgInfo *msginfo;
2906
2907         if (node) {
2908                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
2909                 if (msginfo && MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2910                         return TRUE;
2911                 node = GTK_CTREE_ROW(node)->children;
2912         } else
2913                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
2914
2915         while (node) {
2916                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2917                         return TRUE;
2918                 node = GTK_CTREE_ROW(node)->sibling;
2919         }
2920
2921         return FALSE;
2922 }
2923
2924 static gboolean summary_have_unread_children(SummaryView *summaryview,
2925                                              GtkCTreeNode *node)
2926 {
2927         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2928
2929         if (!node) return FALSE;
2930
2931         node = GTK_CTREE_ROW(node)->children;
2932
2933         while (node) {
2934                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2935                         return TRUE;
2936                 node = GTK_CTREE_ROW(node)->sibling;
2937         }
2938         return FALSE;
2939 }
2940
2941 static void summary_set_row_marks(SummaryView *summaryview, GtkCTreeNode *row)
2942 {
2943         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2944         GtkStyle *style = NULL;
2945         MsgInfo *msginfo;
2946         MsgFlags flags;
2947         gint *col_pos = summaryview->col_pos;
2948
2949         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2950         if (!msginfo) return;
2951
2952         flags = msginfo->flags;
2953
2954         gtk_ctree_node_set_foreground(ctree, row, NULL);
2955
2956         /* set new/unread column */
2957         if (MSG_IS_IGNORE_THREAD(flags)) {
2958                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2959                                           ignorethreadxpm, ignorethreadxpmmask);
2960         } else if (MSG_IS_SPAM(flags)) {
2961                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2962                                           spamxpm, spamxpmmask);
2963         } else if (MSG_IS_NEW(flags)) {
2964                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2965                                           newxpm, newxpmmask);
2966         } else if (MSG_IS_UNREAD(flags)) {
2967                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2968                                           unreadxpm, unreadxpmmask);
2969         } else if (MSG_IS_REPLIED(flags)) {
2970                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2971                                           repliedxpm, repliedxpmmask);
2972         } else if (MSG_IS_FORWARDED(flags)) {
2973                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_STATUS],
2974                                           forwardedxpm, forwardedxpmmask);
2975         } else {
2976                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_STATUS],
2977                                         "");
2978         }
2979
2980         if (prefs_common.bold_unread &&
2981             ((MSG_IS_UNREAD(flags) && !MSG_IS_IGNORE_THREAD(flags)) ||
2982              (!GTK_CTREE_ROW(row)->expanded &&
2983               GTK_CTREE_ROW(row)->children &&
2984               summary_have_unread_children(summaryview, row))))
2985                 style = bold_style;
2986
2987         /* set mark column */
2988         if (MSG_IS_DELETED(flags)) {
2989                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
2990                                           deletedxpm, deletedxpmmask);
2991                 if (style)
2992                         style = bold_deleted_style;
2993                 else {
2994                         style = small_deleted_style;
2995                 }
2996                         gtk_ctree_node_set_foreground
2997                                 (ctree, row, &summaryview->color_dim);
2998         } else if (MSG_IS_MARKED(flags)) {
2999                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
3000                                           markxpm, markxpmmask);
3001         } else if (MSG_IS_MOVE(flags)) {
3002                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "o");
3003                 if (style)
3004                         style = bold_marked_style;
3005                 else {
3006                         style = small_marked_style;
3007                 }
3008                         gtk_ctree_node_set_foreground
3009                                 (ctree, row, &summaryview->color_marked);
3010         } else if (MSG_IS_COPY(flags)) {
3011                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "O");
3012                 if (style)
3013                         style = bold_marked_style;
3014                 else {
3015                         style = small_marked_style;
3016                 }
3017                         gtk_ctree_node_set_foreground
3018                                 (ctree, row, &summaryview->color_marked);
3019         } else {
3020                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "");
3021         }
3022
3023         if (MSG_IS_LOCKED(flags)) {
3024                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_LOCKED],
3025                                           lockedxpm, lockedxpmmask);
3026         }
3027         else {
3028                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_LOCKED], "");
3029         }
3030
3031         if (MSG_IS_WITH_ATTACHMENT(flags) && MSG_IS_SIGNED(flags)) {
3032                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
3033                                           clipgpgsignedxpm, clipgpgsignedxpmmask);
3034         } else if (MSG_IS_SIGNED(flags)) {
3035                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
3036                                           gpgsignedxpm, gpgsignedxpmmask);
3037         } else if (MSG_IS_WITH_ATTACHMENT(flags) && MSG_IS_ENCRYPTED(flags)) {
3038                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
3039                                           clipkeyxpm, clipkeyxpmmask);
3040         } else if (MSG_IS_ENCRYPTED(flags)) {
3041                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
3042                                           keyxpm, keyxpmmask);
3043         } else if (MSG_IS_WITH_ATTACHMENT(flags)) {
3044                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
3045                                           clipxpm, clipxpmmask);
3046         } else {
3047                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MIME], "");
3048         }
3049         if (!style)
3050                 style = small_style;
3051
3052         gtk_ctree_node_set_row_style(ctree, row, style);
3053
3054         if (MSG_GET_COLORLABEL(flags))
3055                 summary_set_colorlabel_color(ctree, row, MSG_GET_COLORLABEL_VALUE(flags));
3056 }
3057
3058 static void summary_mark_row(SummaryView *summaryview, GtkCTreeNode *row)
3059 {
3060         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3061         MsgInfo *msginfo;
3062
3063         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3064         g_return_if_fail(msginfo);
3065         if (MSG_IS_DELETED(msginfo->flags))
3066                 summaryview->deleted--;
3067         if (MSG_IS_MOVE(msginfo->flags))
3068                 summaryview->moved--;
3069         if (MSG_IS_COPY(msginfo->flags))
3070                 summaryview->copied--;
3071
3072         procmsg_msginfo_set_to_folder(msginfo, NULL);
3073         summary_msginfo_change_flags(msginfo, MSG_MARKED, 0, MSG_DELETED, MSG_MOVE | MSG_COPY);
3074         summary_set_row_marks(summaryview, row);
3075         debug_print("Message %s/%d is marked\n", msginfo->folder->path, msginfo->msgnum);
3076 }
3077
3078 static void summary_lock_row(SummaryView *summaryview, GtkCTreeNode *row)
3079 {
3080         gboolean changed = FALSE;
3081         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3082         MsgInfo *msginfo;
3083
3084         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3085         g_return_if_fail(msginfo);
3086         if (MSG_IS_DELETED(msginfo->flags))
3087                 summaryview->deleted--;
3088         if (MSG_IS_MOVE(msginfo->flags)) {
3089                 summaryview->moved--;
3090                 changed = TRUE;
3091         }
3092         if (MSG_IS_COPY(msginfo->flags)) {
3093                 summaryview->copied--;
3094                 changed = TRUE;
3095         }
3096         procmsg_msginfo_set_to_folder(msginfo, NULL);
3097         summary_msginfo_change_flags(msginfo, MSG_LOCKED, 0, MSG_DELETED, MSG_MOVE | MSG_COPY);
3098         
3099         summary_set_row_marks(summaryview, row);
3100         debug_print("Message %d is locked\n", msginfo->msgnum);
3101 }
3102
3103 static void summary_unlock_row(SummaryView *summaryview, GtkCTreeNode *row)
3104 {
3105         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3106         MsgInfo *msginfo;
3107
3108         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3109         g_return_if_fail(msginfo);
3110         if (!MSG_IS_LOCKED(msginfo->flags))
3111                 return;
3112         procmsg_msginfo_set_to_folder(msginfo, NULL);
3113         summary_msginfo_unset_flags(msginfo, MSG_LOCKED, 0);
3114         summary_set_row_marks(summaryview, row);
3115         debug_print("Message %d is unlocked\n", msginfo->msgnum);
3116 }
3117
3118 void summary_mark(SummaryView *summaryview)
3119 {
3120         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3121         GList *cur;
3122
3123         START_LONG_OPERATION(summaryview);
3124         folder_item_set_batch(summaryview->folder_item, TRUE);
3125         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
3126                 summary_mark_row(summaryview, GTK_CTREE_NODE(cur->data));
3127         folder_item_set_batch(summaryview->folder_item, FALSE);
3128         END_LONG_OPERATION(summaryview);
3129
3130         summary_status_show(summaryview);
3131 }
3132
3133 static void summary_mark_row_as_read(SummaryView *summaryview,
3134                                      GtkCTreeNode *row)
3135 {
3136         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3137         MsgInfo *msginfo;
3138
3139         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3140         g_return_if_fail(msginfo);
3141
3142         if(!(MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
3143                 return;
3144
3145         summary_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
3146         summary_set_row_marks(summaryview, row);
3147         debug_print("Message %d is marked as read\n",
3148                 msginfo->msgnum);
3149 }
3150
3151 void summary_mark_as_read(SummaryView *summaryview)
3152 {
3153         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3154         GList *cur;
3155
3156         START_LONG_OPERATION(summaryview);
3157         folder_item_set_batch(summaryview->folder_item, TRUE);
3158         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
3159                 summary_mark_row_as_read(summaryview,
3160                                          GTK_CTREE_NODE(cur->data));
3161         folder_item_set_batch(summaryview->folder_item, FALSE);
3162         END_LONG_OPERATION(summaryview);
3163         
3164         summary_status_show(summaryview);
3165 }
3166
3167 void summary_msgs_lock(SummaryView *summaryview)
3168 {
3169         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3170         GList *cur;
3171
3172         START_LONG_OPERATION(summaryview);
3173         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
3174                 summary_lock_row(summaryview,
3175                                          GTK_CTREE_NODE(cur->data));
3176         END_LONG_OPERATION(summaryview);
3177         
3178         summary_status_show(summaryview);
3179 }
3180
3181 void summary_msgs_unlock(SummaryView *summaryview)
3182 {
3183         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3184         GList *cur;
3185
3186         START_LONG_OPERATION(summaryview);
3187         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
3188                 summary_unlock_row(summaryview,
3189                                    GTK_CTREE_NODE(cur->data));
3190         END_LONG_OPERATION(summaryview);
3191         
3192         summary_status_show(summaryview);
3193 }
3194
3195 void summary_mark_all_read(SummaryView *summaryview)
3196 {
3197         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3198         GtkCTreeNode *node;
3199         AlertValue val;
3200
3201         if (prefs_common.ask_mark_all_read) {
3202                 val = alertpanel_full(_("Mark all as read"),
3203                         _("Do you really want to mark all mails in this "
3204                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
3205                           TRUE, NULL, ALERT_QUESTION, G_ALERTALTERNATE);
3206
3207                 if (val == G_ALERTDEFAULT ||
3208                     val == (G_ALERTDEFAULT|G_ALERTDISABLE))
3209                         return;
3210                 else if (val == (G_ALERTALTERNATE|G_ALERTDISABLE))
3211                         prefs_common.ask_mark_all_read = FALSE;
3212         }
3213         
3214         START_LONG_OPERATION(summaryview);
3215         folder_item_set_batch(summaryview->folder_item, TRUE);
3216         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
3217              node = gtkut_ctree_node_next(ctree, node))
3218                 summary_mark_row_as_read(summaryview, node);
3219         folder_item_set_batch(summaryview->folder_item, FALSE);
3220         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
3221              node = gtkut_ctree_node_next(ctree, node)) {
3222                 if (!GTK_CTREE_ROW(node)->expanded)
3223                         summary_set_row_marks(summaryview, node);
3224         }
3225         END_LONG_OPERATION(summaryview);
3226         
3227         summary_status_show(summaryview);
3228 }
3229
3230 void summary_mark_as_spam(SummaryView *summaryview, guint action, GtkWidget *widget)
3231 {
3232         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3233         GList *cur;
3234         gboolean is_spam = action;
3235         GSList *msgs = NULL;
3236         gboolean immediate_exec = prefs_common.immediate_exec;
3237         gboolean moved = FALSE;
3238         prefs_common.immediate_exec = FALSE;
3239
3240         START_LONG_OPERATION(summaryview);
3241
3242         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next) {
3243                 GtkCTreeNode *row = GTK_CTREE_NODE(cur->data);
3244                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, row);
3245                 if (msginfo)
3246                         msgs = g_slist_prepend(msgs, msginfo);
3247         }
3248         
3249         if (procmsg_spam_learner_learn(NULL, msgs, is_spam) == 0) {
3250                 for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next) {
3251                         GtkCTreeNode *row = GTK_CTREE_NODE(cur->data);
3252                         MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, row);
3253                         if (!msginfo)
3254                                 continue;
3255                         if (is_spam) {
3256                                 summary_msginfo_change_flags(msginfo, MSG_SPAM, 0, MSG_NEW|MSG_UNREAD, 0);
3257                                 if (procmsg_spam_get_folder() != summaryview->folder_item) {
3258                                         summary_move_row_to(summaryview, row, procmsg_spam_get_folder());
3259                                         moved = TRUE;
3260                                 }
3261                         } else {
3262                                 summary_msginfo_unset_flags(msginfo, MSG_SPAM, 0);
3263                         }
3264                 }
3265         } else {
3266                 log_error(_("An error happened while learning.\n"));
3267         }
3268
3269         g_slist_free(msgs);
3270         
3271         prefs_common.immediate_exec = immediate_exec;
3272
3273         END_LONG_OPERATION(summaryview);
3274
3275         if (prefs_common.immediate_exec && moved) {
3276                 summary_execute(summaryview);
3277         }
3278
3279         summary_status_show(summaryview);       
3280 }
3281
3282
3283 static void summary_mark_row_as_unread(SummaryView *summaryview,
3284                                        GtkCTreeNode *row)
3285 {
3286         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3287         MsgInfo *msginfo;
3288
3289         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3290         g_return_if_fail(msginfo);
3291         if (MSG_IS_DELETED(msginfo->flags)) {
3292                 procmsg_msginfo_set_to_folder(msginfo, NULL);
3293                 summary_msginfo_unset_flags(msginfo, MSG_DELETED, 0);
3294                 summaryview->deleted--;
3295         }
3296
3297         summary_msginfo_set_flags(msginfo, MSG_UNREAD, 0);
3298         debug_print("Message %d is marked as unread\n",
3299                 msginfo->msgnum);
3300
3301         summary_set_row_marks(summaryview, row);
3302 }
3303
3304 void summary_mark_as_unread(SummaryView *summaryview)
3305 {
3306         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3307         GList *cur;
3308
3309         START_LONG_OPERATION(summaryview);
3310         folder_item_set_batch(summaryview->folder_item, TRUE);
3311         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; 
3312                 cur = cur->next)
3313                 summary_mark_row_as_unread(summaryview,
3314                                            GTK_CTREE_NODE(cur->data));
3315         folder_item_set_batch(summaryview->folder_item, FALSE);
3316         END_LONG_OPERATION(summaryview);
3317         
3318         summary_status_show(summaryview);
3319 }
3320
3321 static gboolean check_permission(SummaryView *summaryview, MsgInfo * msginfo)
3322 {
3323         GList * cur;
3324         gboolean found;
3325
3326         switch (FOLDER_TYPE(summaryview->folder_item->folder)) {
3327
3328         case F_NEWS:
3329
3330                 /*
3331                   security : checks if one the accounts correspond to
3332                   the author of the post
3333                 */
3334
3335                 found = FALSE;
3336                 for(cur = account_get_list() ; cur != NULL ; cur = cur->next) {
3337                         PrefsAccount * account;
3338                         gchar * from_name;
3339                         
3340                         account = cur->data;
3341                         if (account->name && *account->name)
3342                                 from_name =
3343                                         g_strdup_printf("%s <%s>",
3344                                                         account->name,
3345                                                         account->address);
3346                         else
3347                                 from_name =
3348                                         g_strdup_printf("%s",
3349                                                         account->address);
3350                         
3351                         if (g_utf8_collate(from_name, msginfo->from) == 0) {
3352                                 g_free(from_name);
3353                                 found = TRUE;
3354                                 break;
3355                         }
3356                         g_free(from_name);
3357                 }
3358
3359                 if (!found) {
3360                         alertpanel_error(_("You're not the author of the article.\n"));
3361                 }
3362                 
3363                 return found;
3364
3365         default:
3366                 return TRUE;
3367         }
3368 }
3369
3370 static void summary_delete_row(SummaryView *summaryview, GtkCTreeNode *row)
3371 {
3372         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3373         MsgInfo *msginfo;
3374
3375         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3376         g_return_if_fail(msginfo);
3377
3378         if (MSG_IS_LOCKED(msginfo->flags)) return;
3379
3380         if (MSG_IS_DELETED(msginfo->flags)) return;
3381
3382         if (MSG_IS_MOVE(msginfo->flags))
3383                 summaryview->moved--;
3384         if (MSG_IS_COPY(msginfo->flags))
3385                 summaryview->copied--;
3386
3387         procmsg_msginfo_set_to_folder(msginfo, NULL);
3388         summary_msginfo_change_flags(msginfo, MSG_DELETED, 0, MSG_MARKED, MSG_MOVE | MSG_COPY);
3389         summaryview->deleted++;
3390
3391         if (!prefs_common.immediate_exec && 
3392             !folder_has_parent_of_type(summaryview->folder_item, F_TRASH))
3393                 summary_set_row_marks(summaryview, row);
3394
3395         debug_print("Message %s/%d is set to delete\n",
3396                     msginfo->folder->path, msginfo->msgnum);
3397 }
3398
3399 void summary_cancel(SummaryView *summaryview)
3400 {
3401         MsgInfo * msginfo;
3402         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3403
3404         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
3405                                               summaryview->selected);
3406         if (!msginfo) return;
3407
3408         if (!check_permission(summaryview, msginfo))
3409                 return;
3410
3411         news_cancel_article(summaryview->folder_item->folder, msginfo);
3412         
3413         if (summary_is_locked(summaryview)) return;
3414
3415         summary_lock(summaryview);
3416
3417         gtk_clist_freeze(clist);
3418
3419         summary_update_status(summaryview);
3420         summary_status_show(summaryview);
3421
3422         gtk_clist_thaw(clist);
3423
3424         summary_unlock(summaryview);
3425 }
3426
3427 void summary_delete(SummaryView *summaryview)
3428 {
3429         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3430         FolderItem *item = summaryview->folder_item;
3431         GList *cur;
3432         GtkCTreeNode *sel_last = NULL;
3433         GtkCTreeNode *node;
3434         AlertValue aval;
3435         MsgInfo *msginfo;
3436
3437         if (!item) return;
3438
3439         if (summary_is_locked(summaryview)) return;
3440
3441         if (!summaryview->folder_item) return;
3442
3443         aval = alertpanel(_("Delete message(s)"),
3444                           _("Do you really want to delete selected message(s)?"),
3445                           GTK_STOCK_CANCEL, "+"GTK_STOCK_DELETE, NULL);
3446         if (aval != G_ALERTALTERNATE) return;
3447
3448         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; 
3449              cur = cur->next) {
3450                 GtkCTreeNode *row = GTK_CTREE_NODE(cur->data);
3451                 msginfo = gtk_ctree_node_get_row_data(ctree, row);
3452                 if (msginfo && msginfo->total_size != 0 && 
3453                     msginfo->size != (off_t)msginfo->total_size)
3454                         partial_mark_for_delete(msginfo);
3455         }
3456
3457         main_window_cursor_wait(summaryview->mainwin);
3458
3459         /* next code sets current row focus right. We need to find a row
3460          * that is not deleted. */
3461         START_LONG_OPERATION(summaryview);
3462         folder_item_set_batch(summaryview->folder_item, TRUE);
3463         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next) {
3464                 sel_last = GTK_CTREE_NODE(cur->data);
3465                 summary_delete_row(summaryview, sel_last);
3466         }
3467         folder_item_set_batch(summaryview->folder_item, FALSE);
3468         END_LONG_OPERATION(summaryview);
3469
3470         node = summary_find_next_msg(summaryview, sel_last);
3471         if (!node)
3472                 node = summary_find_prev_msg(summaryview, sel_last);
3473
3474         summary_select_node(summaryview, node, prefs_common.always_show_msg, TRUE);
3475         
3476         if (prefs_common.immediate_exec || folder_has_parent_of_type(item, F_TRASH)) {
3477                 summary_execute(summaryview);
3478                 /* after deleting, the anchor may be at an invalid row
3479                  * so reset it to the node we found earlier */
3480                 gtk_sctree_set_anchor_row(GTK_SCTREE(ctree), node);
3481         } else
3482                 summary_status_show(summaryview);
3483
3484                 
3485         main_window_cursor_normal(summaryview->mainwin);
3486 }
3487
3488 void summary_delete_trash(SummaryView *summaryview)
3489 {
3490         FolderItem *to_folder = NULL;
3491         PrefsAccount *ac;
3492         if (!summaryview->folder_item ||
3493             FOLDER_TYPE(summaryview->folder_item->folder) == F_NEWS) return;
3494         
3495         if (NULL != (ac = account_find_from_item(summaryview->folder_item)))
3496                 to_folder = account_get_special_folder(ac, F_TRASH);
3497
3498         if (to_folder == NULL)
3499                 to_folder = summaryview->folder_item->folder->trash;
3500         
3501         if (to_folder == NULL || to_folder == summaryview->folder_item
3502             || folder_has_parent_of_type(summaryview->folder_item, F_TRASH))
3503                 summary_delete(summaryview);
3504         else
3505                 summary_move_selected_to(summaryview, to_folder);
3506 }
3507
3508
3509 static void summary_unmark_row(SummaryView *summaryview, GtkCTreeNode *row)
3510 {
3511         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3512         MsgInfo *msginfo;
3513
3514         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3515         g_return_if_fail(msginfo);
3516         if (MSG_IS_DELETED(msginfo->flags))
3517                 summaryview->deleted--;
3518         if (MSG_IS_MOVE(msginfo->flags))
3519                 summaryview->moved--;
3520         if (MSG_IS_COPY(msginfo->flags))
3521                 summaryview->copied--;
3522
3523         procmsg_msginfo_set_to_folder(msginfo, NULL);
3524         summary_msginfo_unset_flags(msginfo, MSG_MARKED | MSG_DELETED, MSG_MOVE | MSG_COPY);
3525         summary_set_row_marks(summaryview, row);
3526
3527         debug_print("Message %s/%d is unmarked\n",
3528                     msginfo->folder->path, msginfo->msgnum);
3529 }
3530
3531 void summary_unmark(SummaryView *summaryview)
3532 {
3533         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3534         GList *cur;
3535
3536         START_LONG_OPERATION(summaryview);
3537         folder_item_set_batch(summaryview->folder_item, TRUE);
3538         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
3539                 summary_unmark_row(summaryview, GTK_CTREE_NODE(cur->data));
3540         folder_item_set_batch(summaryview->folder_item, FALSE);
3541         END_LONG_OPERATION(summaryview);
3542         
3543         summary_status_show(summaryview);
3544 }
3545
3546 static void summary_move_row_to(SummaryView *summaryview, GtkCTreeNode *row,
3547                                 FolderItem *to_folder)
3548 {
3549         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3550         MsgInfo *msginfo;
3551
3552         g_return_if_fail(to_folder != NULL);
3553
3554         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3555         g_return_if_fail(msginfo);
3556         if (MSG_IS_LOCKED(msginfo->flags))
3557                 return;
3558
3559         procmsg_msginfo_set_to_folder(msginfo, to_folder);
3560         if (MSG_IS_DELETED(msginfo->flags))
3561                 summaryview->deleted--;
3562         if (MSG_IS_COPY(msginfo->flags)) {
3563                 summaryview->copied--;
3564         }
3565         if (!MSG_IS_MOVE(msginfo->flags)) {
3566                 summary_msginfo_change_flags(msginfo, 0, MSG_MOVE, MSG_DELETED, MSG_COPY);
3567                 summaryview->moved++;
3568         } else {
3569                 summary_msginfo_unset_flags(msginfo, MSG_DELETED, MSG_COPY);
3570         }
3571         
3572         if (!prefs_common.immediate_exec) {
3573                 summary_set_row_marks(summaryview, row);
3574         }
3575
3576         debug_print("Message %d is set to move to %s\n",
3577                     msginfo->msgnum, to_folder->path);
3578 }
3579
3580 void summary_move_selected_to(SummaryView *summaryview, FolderItem *to_folder)
3581 {
3582         GList *cur;
3583
3584         if (!to_folder) return;
3585         if (!summaryview->folder_item ||
3586             FOLDER_TYPE(summaryview->folder_item->folder) == F_NEWS) return;
3587
3588         if (summary_is_locked(summaryview)) return;
3589
3590         if (summaryview->folder_item == to_folder) {
3591                 alertpanel_error(_("Destination is same as current folder."));
3592                 return;
3593         }
3594
3595         START_LONG_OPERATION(summaryview);
3596
3597         for (cur = GTK_CLIST(summaryview->ctree)->selection;
3598              cur != NULL && cur->data != NULL; cur = cur->next)
3599                 summary_move_row_to
3600                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
3601
3602         END_LONG_OPERATION(summaryview);
3603
3604         summaryview->display_msg = prefs_common.always_show_msg;
3605         
3606         if (prefs_common.immediate_exec) {
3607                 summary_execute(summaryview);
3608         } else {
3609                 summary_status_show(summaryview);
3610         }
3611         
3612         if (!summaryview->selected) { /* this was the last message */
3613                 GtkCTreeNode *node = gtk_ctree_node_nth (GTK_CTREE(summaryview->ctree), 
3614                                                          GTK_CLIST(summaryview->ctree)->rows - 1);
3615                 if (node)
3616                         summary_select_node(summaryview, node, prefs_common.always_show_msg, TRUE);
3617         }
3618
3619 }
3620
3621 void summary_move_to(SummaryView *summaryview)
3622 {
3623         FolderItem *to_folder;
3624
3625         if (!summaryview->folder_item ||
3626             FOLDER_TYPE(summaryview->folder_item->folder) == F_NEWS) return;
3627
3628         to_folder = foldersel_folder_sel(summaryview->folder_item->folder,
3629                                          FOLDER_SEL_MOVE, NULL);
3630         summary_move_selected_to(summaryview, to_folder);
3631 }
3632
3633 static void summary_copy_row_to(SummaryView *summaryview, GtkCTreeNode *row,
3634                                 FolderItem *to_folder)
3635 {
3636         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3637         MsgInfo *msginfo;
3638
3639         g_return_if_fail(to_folder != NULL);
3640
3641         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3642         g_return_if_fail(msginfo);
3643         procmsg_msginfo_set_to_folder(msginfo, to_folder);
3644         if (MSG_IS_DELETED(msginfo->flags))
3645                 summaryview->deleted--;
3646         if (MSG_IS_MOVE(msginfo->flags)) {
3647                 summaryview->moved--;
3648         }
3649         
3650         if (!MSG_IS_COPY(msginfo->flags)) {
3651                 summary_msginfo_change_flags(msginfo, 0, MSG_COPY, MSG_DELETED, MSG_MOVE);
3652                 summaryview->copied++;
3653         } else {
3654                 summary_msginfo_unset_flags(msginfo, MSG_DELETED, MSG_MOVE);
3655         }
3656         if (!prefs_common.immediate_exec) {
3657                 summary_set_row_marks(summaryview, row);
3658         }
3659
3660         debug_print("Message %d is set to copy to %s\n",
3661                     msginfo->msgnum, to_folder->path);
3662 }
3663
3664 void summary_copy_selected_to(SummaryView *summaryview, FolderItem *to_folder)
3665 {
3666         GList *cur;
3667
3668         if (!to_folder) return;
3669         if (!summaryview->folder_item) return;
3670
3671         if (summary_is_locked(summaryview)) return;
3672
3673         if (summaryview->folder_item == to_folder) {
3674                 alertpanel_error
3675                         (_("Destination to copy is same as current folder."));
3676                 return;
3677         }
3678
3679         START_LONG_OPERATION(summaryview);
3680
3681         for (cur = GTK_CLIST(summaryview->ctree)->selection;
3682              cur != NULL && cur->data != NULL; cur = cur->next)
3683                 summary_copy_row_to
3684                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
3685
3686         END_LONG_OPERATION(summaryview);
3687
3688         if (prefs_common.immediate_exec)
3689                 summary_execute(summaryview);
3690         else {
3691                 summary_status_show(summaryview);
3692         }
3693 }
3694
3695 void summary_copy_to(SummaryView *summaryview)
3696 {
3697         FolderItem *to_folder;
3698
3699         if (!summaryview->folder_item) return;
3700
3701         to_folder = foldersel_folder_sel(summaryview->folder_item->folder,
3702                                          FOLDER_SEL_COPY, NULL);
3703         summary_copy_selected_to(summaryview, to_folder);
3704 }
3705
3706 void summary_add_address(SummaryView *summaryview)
3707 {
3708         MsgInfo *msginfo;
3709         gchar *from;
3710
3711         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
3712                                               summaryview->selected);
3713         if (!msginfo) return;
3714
3715         Xstrdup_a(from, msginfo->from, return);
3716         eliminate_address_comment(from);
3717         extract_address(from);
3718         addressbook_add_contact(msginfo->fromname, from, NULL);
3719 }
3720
3721 void summary_select_all(SummaryView *summaryview)
3722 {
3723         if (!summaryview->folder_item) return;
3724
3725         summary_lock(summaryview);
3726         gtk_clist_select_all(GTK_CLIST(summaryview->ctree));
3727         summary_unlock(summaryview);
3728         summary_status_show(summaryview);
3729 }
3730
3731 void summary_unselect_all(SummaryView *summaryview)
3732 {
3733         summary_lock(summaryview);
3734         gtk_sctree_unselect_all(GTK_SCTREE(summaryview->ctree));
3735         summary_unlock(summaryview);
3736         summary_status_show(summaryview);
3737 }
3738
3739 void summary_select_thread(SummaryView *summaryview)
3740 {
3741         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3742         GtkCTreeNode *node = summaryview->selected;
3743
3744         if (!node) return;
3745
3746         while (GTK_CTREE_ROW(node)->parent != NULL)
3747                 node = GTK_CTREE_ROW(node)->parent;
3748
3749         if (node != summaryview->selected)
3750                 summary_select_node
3751                         (summaryview, node,
3752                          messageview_is_visible(summaryview->messageview),
3753                          FALSE);
3754
3755         gtk_ctree_select_recursive(ctree, node);
3756
3757         summary_status_show(summaryview);
3758 }
3759
3760 void summary_save_as(SummaryView *summaryview)
3761 {
3762         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3763         MsgInfo *msginfo;
3764         gchar *filename = NULL;
3765         gchar *src, *dest;
3766         gchar *tmp;
3767
3768         AlertValue aval = 0;
3769
3770         if (!summaryview->selected) return;
3771         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
3772         if (!msginfo) return;
3773
3774         if (msginfo->subject) {
3775                 Xstrdup_a(filename, msginfo->subject, return);
3776                 subst_for_filename(filename);
3777         }
3778         if (g_getenv ("G_BROKEN_FILENAMES") &&
3779             filename && !g_utf8_validate(filename, -1, NULL)) {
3780                 gchar *oldstr = filename;
3781                 filename = conv_codeset_strdup(filename,
3782                                                conv_get_locale_charset_str(),
3783                                                CS_UTF_8);
3784                 if (!filename) {
3785                         g_warning("summary_save_as(): faild to convert character set.");
3786                         filename = g_strdup(oldstr);
3787                 }
3788                 dest = filesel_select_file_save(_("Save as"), filename);
3789                 g_free(filename);
3790         } else
3791                 dest = filesel_select_file_save(_("Save as"), filename);
3792         filename = NULL;
3793         if (!dest) return;
3794         if (is_file_exist(dest)) {
3795                 aval = alertpanel(_("Append or Overwrite"),
3796                                   _("Append or overwrite existing file?"),
3797                                   _("_Append"), _("_Overwrite"),
3798                                   GTK_STOCK_CANCEL);
3799                 if (aval != 0 && aval != 1)
3800                         return;
3801         }
3802
3803         src = procmsg_get_message_file(msginfo);
3804         tmp = g_path_get_basename(dest);
3805
3806         if ( aval==0 ) { /* append */
3807                 if (append_file(src, dest, TRUE) < 0) 
3808                         alertpanel_error(_("Can't save the file '%s'."), tmp);
3809         } else { /* overwrite */
3810                 if (copy_file(src, dest, TRUE) < 0)
3811                         alertpanel_error(_("Can't save the file '%s'."), tmp);
3812         }
3813         g_free(src);
3814         
3815         /*
3816          * If two or more msgs are selected,
3817          * append them to the output file.
3818          */
3819         if (GTK_CLIST(ctree)->selection->next) {
3820                 GList *item;
3821                 for (item = GTK_CLIST(ctree)->selection->next; item != NULL; item=item->next) {
3822                         msginfo = gtk_ctree_node_get_row_data(ctree, GTK_CTREE_NODE(item->data));
3823                         if (!msginfo) break;
3824                         src = procmsg_get_message_file(msginfo);
3825                         if (append_file(src, dest, TRUE) < 0)
3826                                 alertpanel_error(_("Can't save the file '%s'."), tmp);
3827                 }
3828                 g_free(src);
3829         }
3830         g_free(dest);
3831         g_free(tmp);
3832 }
3833
3834 #ifdef USE_GNOMEPRINT
3835 static void print_mimeview(MimeView *mimeview) 
3836 {
3837         if (!mimeview 
3838         ||  !mimeview->textview
3839         ||  !mimeview->textview->text)
3840                 alertpanel_warning(_("Cannot print: the message doesn't "
3841                                      "contain text."));
3842         else {
3843                 gtk_widget_realize(mimeview->textview->text);
3844                 gedit_print(GTK_TEXT_VIEW(mimeview->textview->text));
3845         }
3846 }
3847 #endif
3848
3849 void summary_print(SummaryView *summaryview)
3850 {
3851         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3852 #ifndef USE_GNOMEPRINT
3853         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3854         MsgInfo *msginfo;
3855         gchar *cmdline = NULL;
3856         gchar *p;
3857 #endif
3858         GList *cur;
3859
3860         if (clist->selection == NULL) return;
3861 #ifndef USE_GNOMEPRINT
3862         cmdline = input_dialog(_("Print"),
3863                                _("Enter the print command line:\n"
3864                                  "('%s' will be replaced with file name)"),
3865                                prefs_common.print_cmd);
3866         if (!cmdline) return;
3867         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
3868             strchr(p + 2, '%')) {
3869                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
3870                                  cmdline);
3871                 g_free(cmdline);
3872                 return;
3873         }
3874         for (cur = clist->selection; 
3875              cur != NULL && cur->data != NULL; 
3876              cur = cur->next) {
3877                 msginfo = gtk_ctree_node_get_row_data
3878                         (ctree, GTK_CTREE_NODE(cur->data));
3879                 if (msginfo) 
3880                         procmsg_print_message(msginfo, cmdline);
3881         }
3882
3883         g_free(cmdline);
3884 #else
3885         for (cur = clist->selection; 
3886              cur != NULL && cur->data != NULL; 
3887              cur = cur->next) {
3888                 GtkCTreeNode *node = GTK_CTREE_NODE(cur->data);
3889                 if (node != summaryview->displayed) {
3890                         MessageView *tmpview = messageview_create(
3891                                                 summaryview->mainwin);
3892                         MsgInfo *msginfo = gtk_ctree_node_get_row_data(
3893                                                 GTK_CTREE(summaryview->ctree),
3894                                                 node);
3895
3896                         messageview_init(tmpview);
3897                         tmpview->all_headers = summaryview->messageview->all_headers;
3898                         if (msginfo && messageview_show(tmpview, msginfo, 
3899                                 tmpview->all_headers) >= 0) {
3900                                         print_mimeview(tmpview->mimeview);
3901                         }
3902                         messageview_destroy(tmpview);
3903                 } else {
3904                         print_mimeview(summaryview->messageview->mimeview);
3905                 }
3906         }
3907 #endif
3908 }
3909
3910 gboolean summary_execute(SummaryView *summaryview)
3911 {
3912         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3913         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3914         GtkCTreeNode *node, *next;
3915         GtkCTreeNode *new_selected = NULL;
3916         gint move_val = -1;
3917
3918         if (!summaryview->folder_item) return FALSE;
3919
3920         if (summary_is_locked(summaryview)) return FALSE;
3921         summary_lock(summaryview);
3922
3923         gtk_clist_freeze(clist);
3924
3925         main_window_cursor_wait(summaryview->mainwin);
3926
3927         if (summaryview->threaded)
3928                 summary_unthread_for_exec(summaryview);
3929
3930         folder_item_update_freeze();
3931         move_val = summary_execute_move(summaryview);
3932         summary_execute_copy(summaryview);
3933         summary_execute_delete(summaryview);
3934         
3935         node = GTK_CTREE_NODE(clist->row_list);
3936         for (; node != NULL; node = next) {
3937                 next = gtkut_ctree_node_next(ctree, node);
3938                 if (gtk_ctree_node_get_row_data(ctree, node) != NULL) continue;
3939
3940                 if (node == summaryview->displayed) {
3941                         messageview_clear(summaryview->messageview);
3942                         summaryview->displayed = NULL;
3943                 }
3944                 if (GTK_CTREE_ROW(node)->children != NULL) {
3945                         g_warning("summary_execute(): children != NULL\n");
3946                         continue;
3947                 }
3948
3949                 if (!new_selected &&
3950                     gtkut_ctree_node_is_selected(ctree, node)) {
3951                         summary_unselect_all(summaryview);
3952                         new_selected = summary_find_next_msg(summaryview, node);
3953                         if (!new_selected)
3954                                 new_selected = summary_find_prev_msg
3955                                         (summaryview, node);
3956                 }
3957
3958                 gtk_sctree_remove_node((GtkSCTree *)ctree, node);
3959         }
3960
3961         folder_item_update_thaw();
3962         gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
3963
3964         if (new_selected) {
3965                 summary_unlock(summaryview);
3966                 gtk_sctree_select
3967                         (GTK_SCTREE(ctree),
3968                          new_selected);
3969                 summary_lock(summaryview);
3970         }
3971
3972         if (summaryview->threaded) {
3973                 gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
3974                 summary_thread_build(summaryview);
3975                 summary_thread_init(summaryview);
3976                 gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
3977         }
3978
3979         summaryview->selected = clist->selection ?
3980                 GTK_CTREE_NODE(clist->selection->data) : NULL;
3981
3982         if (!GTK_CLIST(summaryview->ctree)->row_list) {
3983                 menu_set_insensitive_all
3984                         (GTK_MENU_SHELL(summaryview->popupmenu));
3985                 gtk_widget_grab_focus(summaryview->folderview->ctree);
3986         } else
3987                 gtk_widget_grab_focus(summaryview->ctree);
3988
3989         summary_update_status(summaryview);
3990         summary_status_show(summaryview);
3991
3992         gtk_ctree_node_moveto(ctree, summaryview->selected, 0, 0.5, 0);
3993
3994         summary_unlock(summaryview);
3995
3996         main_window_cursor_normal(summaryview->mainwin);
3997
3998         if (move_val < 0) 
3999                 summary_show(summaryview, summaryview->folder_item);
4000         return TRUE;
4001 }
4002
4003 static gint summary_execute_move(SummaryView *summaryview)
4004 {
4005         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4006         GSList *cur;
4007         gint val = -1;
4008         /* search moving messages and execute */
4009         gtk_ctree_pre_recursive(ctree, NULL, summary_execute_move_func,
4010                                 summaryview);
4011
4012         if (summaryview->mlist) {
4013                 val = procmsg_move_messages(summaryview->mlist);
4014
4015                 for (cur = summaryview->mlist; cur != NULL && cur->data != NULL; cur = cur->next)
4016                         procmsg_msginfo_free((MsgInfo *)cur->data);
4017                 g_slist_free(summaryview->mlist);
4018                 summaryview->mlist = NULL;
4019                 return val;
4020         }
4021         return 0;
4022 }
4023
4024 static void summary_execute_move_func(GtkCTree *ctree, GtkCTreeNode *node,
4025                                       gpointer data)
4026 {
4027         SummaryView *summaryview = data;
4028         MsgInfo *msginfo;
4029
4030         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
4031
4032         if (msginfo && MSG_IS_MOVE(msginfo->flags) && msginfo->to_folder) {
4033                 summaryview->mlist =
4034                         g_slist_prepend(summaryview->mlist, msginfo);
4035                 gtk_ctree_node_set_row_data(ctree, node, NULL);
4036
4037                 if (msginfo->msgid && *msginfo->msgid &&
4038                     node == g_hash_table_lookup(summaryview->msgid_table,
4039                                                 msginfo->msgid))
4040                         g_hash_table_remove(summaryview->msgid_table,
4041                                             msginfo->msgid);
4042         }
4043 }
4044
4045 static void summary_execute_copy(SummaryView *summaryview)
4046 {
4047         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4048
4049         /* search copying messages and execute */
4050         gtk_ctree_pre_recursive(ctree, NULL, summary_execute_copy_func,
4051                                 summaryview);
4052
4053         if (summaryview->mlist) {
4054                 summaryview->mlist = g_slist_reverse(summaryview->mlist);
4055                 procmsg_copy_messages(summaryview->mlist);
4056
4057                 g_slist_free(summaryview->mlist);
4058                 summaryview->mlist = NULL;
4059         }
4060 }
4061
4062 static void summary_execute_copy_func(GtkCTree *ctree, GtkCTreeNode *node,
4063                                       gpointer data)
4064 {
4065         SummaryView *summaryview = data;
4066         MsgInfo *msginfo;
4067
4068         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
4069
4070         if (msginfo && MSG_IS_COPY(msginfo->flags) && msginfo->to_folder) {
4071                 summaryview->mlist =
4072                         g_slist_prepend(summaryview->mlist, msginfo);
4073
4074                 summary_msginfo_unset_flags(msginfo, 0, MSG_COPY);
4075                 summary_set_row_marks(summaryview, node);
4076         }
4077 }
4078
4079 static void summary_execute_delete(SummaryView *summaryview)
4080 {
4081         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4082         GSList *cur;
4083
4084         /* search deleting messages and execute */
4085         gtk_ctree_pre_recursive
4086                 (ctree, NULL, summary_execute_delete_func, summaryview);
4087
4088         if (!summaryview->mlist) return;
4089
4090         folder_item_remove_msgs(summaryview->folder_item,
4091                                 summaryview->mlist);
4092
4093         for (cur = summaryview->mlist; cur != NULL && cur->data != NULL; cur = cur->next)
4094                 procmsg_msginfo_free((MsgInfo *)cur->data);
4095
4096         g_slist_free(summaryview->mlist);
4097         summaryview->mlist = NULL;
4098 }
4099
4100 static void summary_execute_delete_func(GtkCTree *ctree, GtkCTreeNode *node,
4101                                         gpointer data)
4102 {
4103         SummaryView *summaryview = data;
4104         MsgInfo *msginfo;
4105
4106         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
4107
4108         if (msginfo && MSG_IS_DELETED(msginfo->flags)) {
4109                 summaryview->mlist =
4110                         g_slist_append(summaryview->mlist, msginfo);
4111                 gtk_ctree_node_set_row_data(ctree, node, NULL);
4112
4113                 if (msginfo->msgid && *msginfo->msgid &&
4114                     node == g_hash_table_lookup(summaryview->msgid_table,
4115                                                 msginfo->msgid)) {
4116                         g_hash_table_remove(summaryview->msgid_table,
4117                                             msginfo->msgid);
4118                 }       
4119                 if (msginfo->subject && *msginfo->subject && 
4120                     node == subject_table_lookup(summaryview->subject_table,
4121                                                  msginfo->subject)) {
4122                         subject_table_remove(summaryview->subject_table,
4123                                              msginfo->subject);
4124                 }                                           
4125         }
4126 }
4127
4128 /* thread functions */
4129
4130 void summary_thread_build(SummaryView *summaryview)
4131 {
4132         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4133         GtkCTreeNode *node;
4134         GtkCTreeNode *next;
4135         GtkCTreeNode *parent;
4136         MsgInfo *msginfo;
4137         GSList *reflist;
4138
4139         summary_lock(summaryview);
4140
4141         debug_print("Building threads...");
4142         STATUSBAR_PUSH(summaryview->mainwin, _("Building threads..."));
4143         main_window_cursor_wait(summaryview->mainwin);
4144
4145         g_signal_handlers_block_by_func(G_OBJECT(ctree),
4146                                        G_CALLBACK(summary_tree_expanded), summaryview);
4147         gtk_clist_freeze(GTK_CLIST(ctree));
4148
4149         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
4150         while (node) {
4151                 next = GTK_CTREE_ROW(node)->sibling;
4152
4153                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
4154
4155                 parent = NULL;
4156
4157                 if (msginfo && msginfo->inreplyto) {
4158                         parent = g_hash_table_lookup(summaryview->msgid_table,
4159                                                      msginfo->inreplyto);
4160                                                      
4161                         if (!parent && msginfo->references) {
4162                                 for (reflist = msginfo->references;
4163                                      reflist != NULL; reflist = reflist->next)
4164                                         if ((parent = g_hash_table_lookup
4165                                                 (summaryview->msgid_table,
4166                                                  reflist->data)))
4167                                                 break;
4168                         }
4169                 }
4170
4171                 if (prefs_common.thread_by_subject && parent == NULL) {
4172                         parent = subject_table_lookup
4173                                 (summaryview->subject_table,
4174                                  msginfo->subject);
4175                 }
4176
4177                 if (parent && parent != node) {
4178                         gtk_ctree_move(ctree, node, parent, NULL);
4179                 }
4180
4181                 node = next;
4182         }
4183
4184         gtkut_ctree_set_focus_row(ctree, summaryview->selected);
4185
4186         gtk_clist_thaw(GTK_CLIST(ctree));
4187         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
4188                                          G_CALLBACK(summary_tree_expanded), summaryview);
4189
4190         debug_print("done.\n");
4191         STATUSBAR_POP(summaryview->mainwin);
4192         main_window_cursor_normal(summaryview->mainwin);
4193
4194         summaryview->threaded = TRUE;
4195
4196         summary_unlock(summaryview);
4197 }
4198
4199 static void summary_thread_init(SummaryView *summaryview)
4200 {
4201         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4202         GtkCTreeNode *node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
4203         GtkCTreeNode *next;
4204
4205         if (!summaryview->thread_collapsed) {
4206                 g_signal_handlers_block_by_func(G_OBJECT(ctree),
4207                                        G_CALLBACK(summary_tree_expanded), summaryview);
4208                 while (node) {
4209                         next = GTK_CTREE_ROW(node)->sibling;
4210                         if (GTK_CTREE_ROW(node)->children)
4211                                 gtk_ctree_expand_recursive(ctree, node);
4212                         node = next;
4213                 }
4214                 g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
4215                                        G_CALLBACK(summary_tree_expanded), summaryview);
4216         } 
4217 }
4218
4219 static void summary_unthread_for_exec(SummaryView *summaryview)
4220 {
4221         GtkCTreeNode *node;
4222         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4223
4224         debug_print("Unthreading for execution...");
4225
4226         START_LONG_OPERATION(summaryview);
4227
4228         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
4229              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
4230                 summary_unthread_for_exec_func(ctree, node, NULL);
4231         }
4232
4233         END_LONG_OPERATION(summaryview);
4234
4235         debug_print("done.\n");
4236 }
4237
4238 static void summary_unthread_for_exec_func(GtkCTree *ctree, GtkCTreeNode *node,
4239                                            gpointer data)
4240 {
4241         MsgInfo *msginfo;
4242         GtkCTreeNode *top_parent;
4243         GtkCTreeNode *child;
4244         GtkCTreeNode *sibling;
4245
4246         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
4247
4248         if (!msginfo ||
4249             (!MSG_IS_MOVE(msginfo->flags) &&
4250              !MSG_IS_DELETED(msginfo->flags)))
4251                 return;
4252         child = GTK_CTREE_ROW(node)->children;
4253         if (!child) return;
4254
4255         for (top_parent = node;
4256              GTK_CTREE_ROW(top_parent)->parent != NULL;
4257              top_parent = GTK_CTREE_ROW(top_parent)->parent)
4258                 ;
4259         sibling = GTK_CTREE_ROW(top_parent)->sibling;
4260
4261         while (child != NULL) {
4262                 GtkCTreeNode *next_child;
4263
4264                 next_child = GTK_CTREE_ROW(child)->sibling;
4265                 gtk_ctree_move(ctree, child, NULL, sibling);
4266                 child = next_child;
4267         }
4268 }
4269
4270 void summary_expand_threads(SummaryView *summaryview)
4271 {
4272         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4273         GtkCTreeNode *node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
4274
4275         g_signal_handlers_block_by_func(G_OBJECT(ctree),
4276                                        G_CALLBACK(summary_tree_expanded), summaryview);
4277         gtk_clist_freeze(GTK_CLIST(ctree));
4278
4279         while (node) {
4280                 if (GTK_CTREE_ROW(node)->children) {
4281                         gtk_ctree_expand(ctree, node);
4282                         summary_set_row_marks(summaryview, node);
4283                 }
4284                 node = GTK_CTREE_NODE_NEXT(node);
4285         }
4286
4287         gtk_clist_thaw(GTK_CLIST(ctree));
4288         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
4289                                          G_CALLBACK(summary_tree_expanded), summaryview);
4290
4291         summaryview->thread_collapsed = FALSE;
4292
4293         gtk_ctree_node_moveto(ctree, summaryview->selected, 0, 0.5, 0);
4294 }
4295
4296 void summary_collapse_threads(SummaryView *summaryview)
4297 {
4298         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4299         GtkCTreeNode *node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
4300
4301         gtk_clist_freeze(GTK_CLIST(ctree));
4302
4303         while (node) {
4304                 if (GTK_CTREE_ROW(node)->children)
4305                         gtk_ctree_collapse(ctree, node);
4306                 node = GTK_CTREE_ROW(node)->sibling;
4307         }
4308
4309         gtk_clist_thaw(GTK_CLIST(ctree));
4310         
4311         summaryview->thread_collapsed = TRUE;
4312
4313         gtk_ctree_node_moveto(ctree, summaryview->selected, 0, 0.5, 0);
4314 }
4315
4316 void summary_filter(SummaryView *summaryview, gboolean selected_only)
4317 {
4318         GSList *mlist = NULL, *cur_list;
4319         summary_lock(summaryview);
4320
4321         folder_item_update_freeze();
4322         
4323         debug_print("filtering...");
4324         STATUSBAR_PUSH(summaryview->mainwin, _("Filtering..."));
4325         main_window_cursor_wait(summaryview->mainwin);
4326
4327         gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
4328
4329         if (selected_only) {
4330                 GList *cur;
4331
4332                 for (cur = GTK_CLIST(summaryview->ctree)->selection;
4333                      cur != NULL && cur->data != NULL; cur = cur->next) {
4334                         mlist = g_slist_prepend(mlist, 
4335                                  procmsg_msginfo_new_ref(
4336                                   GTKUT_CTREE_NODE_GET_ROW_DATA(cur->data)));
4337                 }
4338                 mlist = g_slist_reverse(mlist);
4339         } else {
4340                 mlist = folder_item_get_msg_list(summaryview->folder_item);
4341         }
4342         for (cur_list = mlist; cur_list; cur_list = cur_list->next) {
4343                 summary_filter_func((MsgInfo *)cur_list->data);
4344         }
4345         filtering_move_and_copy_msgs(mlist);
4346         for (cur_list = mlist; cur_list; cur_list = cur_list->next) {
4347                 procmsg_msginfo_free((MsgInfo *)cur_list->data);
4348         }
4349         g_slist_free(mlist);
4350
4351         gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
4352
4353         folder_item_update_thaw();
4354         debug_print("done.\n");
4355         STATUSBAR_POP(summaryview->mainwin);
4356         main_window_cursor_normal(summaryview->mainwin);
4357
4358         summary_unlock(summaryview);
4359
4360         /* 
4361          * CLAWS: summary_show() only valid after having a lock. ideally
4362          * we want the lock to be context aware...  
4363          */
4364         summary_show(summaryview, summaryview->folder_item);
4365 }
4366
4367 static void summary_filter_func(MsgInfo *msginfo)
4368 {
4369         MailFilteringData mail_filtering_data;
4370
4371         mail_filtering_data.msginfo = msginfo;
4372         if (hooks_invoke(MAIL_MANUAL_FILTERING_HOOKLIST, &mail_filtering_data))
4373                 return;
4374
4375         filter_message_by_msginfo(filtering_rules, msginfo);
4376 }
4377
4378 void summary_msginfo_filter_open(FolderItem * item, MsgInfo *msginfo,
4379                                  PrefsFilterType type, gint processing_rule)
4380 {
4381         gchar *header = NULL;
4382         gchar *key = NULL;
4383
4384         procmsg_get_filter_keyword(msginfo, &header, &key, type);
4385         
4386         if (processing_rule) {
4387                 if (item == NULL)
4388                         prefs_filtering_open(&pre_global_processing,
4389                                              _("Processing rules to apply before folder rules"),
4390                                              header, key);
4391                 else
4392                         prefs_filtering_open(&item->prefs->processing,
4393                                              _("Processing configuration"),
4394                                              header, key);
4395         }
4396         else {
4397                 prefs_filtering_open(&filtering_rules,
4398                                      _("Filtering configuration"),
4399                                        header, key);
4400         }
4401         
4402         g_free(header);
4403         g_free(key);
4404 }
4405
4406 void summary_filter_open(SummaryView *summaryview, PrefsFilterType type,
4407                          gint processing_rule)
4408 {
4409         MsgInfo *msginfo;
4410         FolderItem * item;
4411         
4412         if (!summaryview->selected) return;
4413
4414         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
4415                                               summaryview->selected);
4416         if (!msginfo) return;
4417         
4418         item = summaryview->folder_item;
4419         summary_msginfo_filter_open(item, msginfo, type, processing_rule);
4420 }
4421
4422 /* color label */
4423
4424 #define N_COLOR_LABELS colorlabel_get_color_count()
4425
4426 static void summary_colorlabel_menu_item_activate_cb(GtkWidget *widget,
4427                                                      gpointer data)
4428 {
4429         guint color = GPOINTER_TO_UINT(data);
4430         SummaryView *summaryview;
4431
4432         summaryview = g_object_get_data(G_OBJECT(widget), "summaryview");
4433         g_return_if_fail(summaryview != NULL);
4434
4435         /* "dont_toggle" state set? */
4436         if (g_object_get_data(G_OBJECT(summaryview->colorlabel_menu),
4437                                 "dont_toggle"))
4438                 return;
4439
4440         summary_set_colorlabel(summaryview, color, NULL);
4441 }
4442
4443 /* summary_set_colorlabel_color() - labelcolor parameter is the color *flag*
4444  * for the messsage; not the color index */
4445 void summary_set_colorlabel_color(GtkCTree *ctree, GtkCTreeNode *node,
4446                                   guint labelcolor)
4447 {
4448         GdkColor color;
4449         GtkStyle *style, *prev_style, *ctree_style;
4450         MsgInfo *msginfo;
4451         gint color_index;
4452
4453         msginfo = gtk_ctree_node_get_row_data(ctree, node);
4454         g_return_if_fail(msginfo);
4455
4456         color_index = labelcolor == 0 ? -1 : (gint)labelcolor - 1;
4457         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
4458         prev_style = gtk_ctree_node_get_row_style(ctree, node);
4459
4460         if (color_index < 0 || color_index >= N_COLOR_LABELS) {
4461                 if (!prev_style) return;
4462                 style = gtk_style_copy(prev_style);
4463                 color = ctree_style->fg[GTK_STATE_NORMAL];
4464                 style->fg[GTK_STATE_NORMAL] = color;
4465                 color = ctree_style->fg[GTK_STATE_SELECTED];
4466                 style->fg[GTK_STATE_SELECTED] = color;
4467         } else {
4468                 if (prev_style)
4469                         style = gtk_style_copy(prev_style);
4470                 else
4471                         style = gtk_style_copy(ctree_style);
4472                 color = colorlabel_get_color(color_index);
4473                 style->fg[GTK_STATE_NORMAL] = color;
4474                 /* get the average of label color and selected fg color
4475                    for visibility */
4476                 style->fg[GTK_STATE_SELECTED].red   = (color.red   + ctree_style->fg[GTK_STATE_SELECTED].red  ) / 2;
4477                 style->fg[GTK_STATE_SELECTED].green = (color.green + ctree_style->fg[GTK_STATE_SELECTED].green) / 2;
4478                 style->fg[GTK_STATE_SELECTED].blue  = (color.blue  + ctree_style->fg[GTK_STATE_SELECTED].blue ) / 2;
4479         }
4480
4481         gtk_ctree_node_set_row_style(ctree, node, style);
4482 }
4483
4484 static void summary_set_row_colorlabel(SummaryView *summaryview, GtkCTreeNode *row, guint labelcolor)
4485 {
4486         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4487         MsgInfo *msginfo;
4488
4489         msginfo = gtk_ctree_node_get_row_data(ctree, row);
4490         g_return_if_fail(msginfo);
4491
4492         summary_msginfo_change_flags(msginfo, MSG_COLORLABEL_TO_FLAGS(labelcolor), 0, 
4493                                         MSG_CLABEL_FLAG_MASK, 0);
4494 }
4495
4496 void summary_set_colorlabel(SummaryView *summaryview, guint labelcolor,
4497                             GtkWidget *widget)
4498 {
4499         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4500         GList *cur;
4501
4502         START_LONG_OPERATION(summaryview);
4503
4504         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
4505                 summary_set_row_colorlabel(summaryview,
4506                                            GTK_CTREE_NODE(cur->data), labelcolor);
4507         END_LONG_OPERATION(summaryview);
4508 }
4509
4510 static void summary_colorlabel_menu_item_activate_item_cb(GtkMenuItem *menu_item,
4511                                                           gpointer data)
4512 {
4513         SummaryView *summaryview;
4514         GtkMenuShell *menu;
4515         GtkCheckMenuItem **items;
4516         gint n;
4517         GList *cur, *sel;
4518
4519         summaryview = (SummaryView *)data;
4520         g_return_if_fail(summaryview != NULL);
4521
4522         sel = GTK_CLIST(summaryview->ctree)->selection;
4523         if (!sel) return;
4524
4525         menu = GTK_MENU_SHELL(summaryview->colorlabel_menu);
4526         
4527         g_return_if_fail(menu != NULL);
4528
4529         Xalloca(items, (N_COLOR_LABELS + 1) * sizeof(GtkWidget *), return);
4530
4531         /* NOTE: don't return prematurely because we set the "dont_toggle"
4532          * state for check menu items */
4533         g_object_set_data(G_OBJECT(menu), "dont_toggle",
4534                           GINT_TO_POINTER(1));
4535
4536         /* clear items. get item pointers. */
4537         for (n = 0, cur = menu->children; cur != NULL && cur->data != NULL; cur = cur->next) {
4538                 if (GTK_IS_CHECK_MENU_ITEM(cur->data)) {
4539                         gtk_check_menu_item_set_active
4540                                 (GTK_CHECK_MENU_ITEM(cur->data), FALSE);
4541                         items[n] = GTK_CHECK_MENU_ITEM(cur->data);
4542                         n++;
4543                 }
4544         }
4545
4546         if (n == (N_COLOR_LABELS + 1)) {
4547                 /* iterate all messages and set the state of the appropriate
4548                  * items */
4549                 for (; sel != NULL; sel = sel->next) {
4550                         MsgInfo *msginfo;
4551                         gint clabel;
4552
4553                         msginfo = gtk_ctree_node_get_row_data
4554                                 (GTK_CTREE(summaryview->ctree),
4555                                  GTK_CTREE_NODE(sel->data));
4556                         if (msginfo) {
4557                                 clabel = MSG_GET_COLORLABEL_VALUE(msginfo->flags);
4558                                 if (!items[clabel]->active)
4559                                         gtk_check_menu_item_set_active
4560                                                 (items[clabel], TRUE);
4561                         }
4562                 }
4563         } else
4564                 g_warning("invalid number of color elements (%d)\n", n);
4565
4566         /* reset "dont_toggle" state */
4567         g_object_set_data(G_OBJECT(menu), "dont_toggle",
4568                           GINT_TO_POINTER(0));
4569 }
4570
4571 static void summary_colorlabel_menu_create(SummaryView *summaryview, gboolean refresh)
4572 {
4573         GtkWidget *label_menuitem;
4574         GtkWidget *menu;
4575         GtkWidget *item;
4576         gint i;
4577
4578         label_menuitem = gtk_item_factory_get_item(summaryview->popupfactory,
4579                                                    "/Color label");
4580         g_signal_connect(G_OBJECT(label_menuitem), "activate",
4581                          G_CALLBACK(summary_colorlabel_menu_item_activate_item_cb),
4582                            summaryview);
4583         gtk_widget_show(label_menuitem);
4584
4585         menu = gtk_menu_new();
4586
4587         /* create sub items. for the menu item activation callback we pass the
4588          * index of label_colors[] as data parameter. for the None color we
4589          * pass an invalid (high) value. also we attach a data pointer so we
4590          * can always get back the SummaryView pointer. */
4591
4592         item = gtk_check_menu_item_new_with_label(_("None"));
4593         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
4594         g_signal_connect(G_OBJECT(item), "activate",
4595                          G_CALLBACK(summary_colorlabel_menu_item_activate_cb),
4596                            GUINT_TO_POINTER(0));
4597         g_object_set_data(G_OBJECT(item), "summaryview", summaryview);
4598         gtk_widget_show(item);
4599
4600         gtk_widget_add_accelerator(item, "activate", 
4601                                    summaryview->popupfactory->accel_group, 
4602                                    GDK_0, GDK_CONTROL_MASK,
4603                                    GTK_ACCEL_LOCKED | GTK_ACCEL_VISIBLE);
4604
4605         item = gtk_menu_item_new();
4606         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
4607         gtk_widget_show(item);
4608
4609         /* create pixmap/label menu items */
4610         for (i = 0; i < N_COLOR_LABELS; i++) {
4611                 item = colorlabel_create_check_color_menu_item(
4612                         i, refresh, SUMMARY_COLORMENU);
4613                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
4614                 g_signal_connect(G_OBJECT(item), "activate",
4615                                  G_CALLBACK(summary_colorlabel_menu_item_activate_cb),
4616                                  GUINT_TO_POINTER(i + 1));
4617                 g_object_set_data(G_OBJECT(item), "summaryview",
4618                                   summaryview);
4619                 gtk_widget_show(item);
4620         }
4621
4622         gtk_widget_show(menu);
4623         gtk_menu_item_set_submenu(GTK_MENU_ITEM(label_menuitem), menu);
4624         summaryview->colorlabel_menu = menu;
4625 }
4626
4627 static gboolean summary_popup_menu(GtkWidget *widget, gpointer data)
4628 {
4629         SummaryView *summaryview = (SummaryView *)data;
4630         summaryview->display_msg = messageview_is_visible(summaryview->messageview);
4631
4632         gtk_menu_popup(GTK_MENU(summaryview->popupmenu), NULL, NULL,
4633                        NULL, NULL, 0, gtk_get_current_event_time());
4634         return TRUE;
4635 }
4636
4637 static GtkWidget *summary_ctree_create(SummaryView *summaryview)
4638 {
4639         GtkWidget *ctree;
4640         gint *col_pos = summaryview->col_pos;
4641         SummaryColumnState *col_state;
4642         gchar *titles[N_SUMMARY_COLS];
4643         SummaryColumnType type;
4644         gint pos;
4645
4646         memset(titles, 0, sizeof(titles));
4647
4648         col_state = prefs_summary_column_get_config();
4649         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
4650                 summaryview->col_state[pos] = col_state[pos];
4651                 type = col_state[pos].type;
4652                 col_pos[type] = pos;
4653                 titles[pos] = "dummy";
4654         }
4655         col_state = summaryview->col_state;
4656
4657         ctree = gtk_sctree_new_with_titles
4658                 (N_SUMMARY_COLS, col_pos[S_COL_SUBJECT], titles);
4659
4660         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_EXTENDED);
4661         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_MARK],
4662                                            GTK_JUSTIFY_CENTER);
4663         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_STATUS],
4664                                            GTK_JUSTIFY_CENTER);
4665         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_LOCKED],
4666                                            GTK_JUSTIFY_CENTER);
4667         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_MIME],
4668                                            GTK_JUSTIFY_CENTER);
4669         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_SIZE],
4670                                            GTK_JUSTIFY_RIGHT);
4671         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_NUMBER],
4672                                            GTK_JUSTIFY_RIGHT);
4673         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_SCORE],
4674                                            GTK_JUSTIFY_RIGHT);
4675         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_MARK],
4676                                    SUMMARY_COL_MARK_WIDTH);
4677         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_STATUS],
4678                                    SUMMARY_COL_STATUS_WIDTH);
4679         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_LOCKED],
4680                                    SUMMARY_COL_LOCKED_WIDTH);
4681         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_MIME],
4682                                    SUMMARY_COL_MIME_WIDTH);
4683         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SUBJECT],
4684                                    prefs_common.summary_col_size[S_COL_SUBJECT]);
4685         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_FROM],
4686                                    prefs_common.summary_col_size[S_COL_FROM]);
4687         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_TO],
4688                                    prefs_common.summary_col_size[S_COL_TO]);
4689         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_DATE],
4690                                    prefs_common.summary_col_size[S_COL_DATE]);
4691         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SIZE],
4692                                    prefs_common.summary_col_size[S_COL_SIZE]);
4693         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_NUMBER],
4694                                    prefs_common.summary_col_size[S_COL_NUMBER]);
4695         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SCORE],
4696                                    prefs_common.summary_col_size[S_COL_SCORE]);
4697         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
4698         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
4699                                      GTK_CTREE_EXPANDER_SQUARE);
4700         gtk_ctree_set_indent(GTK_CTREE(ctree), 12);
4701         g_object_set_data(G_OBJECT(ctree), "summaryview", (gpointer)summaryview); 
4702
4703         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
4704                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[pos].button,
4705                                        GTK_CAN_FOCUS);
4706                 gtk_clist_set_column_visibility
4707                         (GTK_CLIST(ctree), pos, col_state[pos].visible);
4708         }
4709
4710         /* connect signal to the buttons for sorting */
4711 #define CLIST_BUTTON_SIGNAL_CONNECT(col, func) \
4712         g_signal_connect \
4713                 (G_OBJECT(GTK_CLIST(ctree)->column[col_pos[col]].button), \
4714                  "clicked", \
4715                  G_CALLBACK(func), \
4716                  summaryview)
4717
4718         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_MARK   , summary_mark_clicked);
4719         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_STATUS , summary_status_clicked);
4720         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_MIME   , summary_mime_clicked);
4721         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_NUMBER , summary_num_clicked);
4722         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SIZE   , summary_size_clicked);
4723         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_DATE   , summary_date_clicked);
4724         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_FROM   , summary_from_clicked);
4725         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_TO     , summary_to_clicked);
4726         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SUBJECT, summary_subject_clicked);
4727         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SCORE,   summary_score_clicked);
4728         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_LOCKED,  summary_locked_clicked);
4729
4730 #undef CLIST_BUTTON_SIGNAL_CONNECT
4731
4732         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
4733                          G_CALLBACK(summary_selected), summaryview);
4734         g_signal_connect(G_OBJECT(ctree), "tree_unselect_row",
4735                          G_CALLBACK(summary_unselected), summaryview);
4736         g_signal_connect(G_OBJECT(ctree), "button_press_event",
4737                          G_CALLBACK(summary_button_pressed),
4738                          summaryview);
4739         g_signal_connect(G_OBJECT(ctree), "popup-menu",
4740                          G_CALLBACK(summary_popup_menu), summaryview);
4741         g_signal_connect(G_OBJECT(ctree), "button_release_event",
4742                          G_CALLBACK(summary_button_released),
4743                          summaryview);
4744         g_signal_connect(G_OBJECT(ctree), "key_press_event",
4745                          G_CALLBACK(summary_key_pressed), summaryview);
4746         g_signal_connect(G_OBJECT(ctree), "resize_column",
4747                          G_CALLBACK(summary_col_resized), summaryview);
4748         g_signal_connect(G_OBJECT(ctree), "open_row",
4749                          G_CALLBACK(summary_open_row), summaryview);
4750
4751         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
4752                                G_CALLBACK(summary_tree_expanded),
4753                                summaryview);
4754         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
4755                                G_CALLBACK(summary_tree_collapsed),
4756                                summaryview);
4757
4758         g_signal_connect(G_OBJECT(ctree), "start_drag",
4759                          G_CALLBACK(summary_start_drag),
4760                          summaryview);
4761         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
4762                          G_CALLBACK(summary_drag_data_get),
4763                          summaryview);
4764
4765         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
4766                           summary_drag_types, 2,
4767                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
4768
4769         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
4770                          G_CALLBACK(summary_drag_data_received),
4771                          summaryview);
4772
4773         g_signal_connect(G_OBJECT(ctree), "drag_motion",
4774                          G_CALLBACK(summary_drag_motion_cb),
4775                          summaryview);
4776
4777         return ctree;
4778 }
4779
4780 void summary_set_column_order(SummaryView *summaryview)
4781 {
4782         GtkWidget *ctree;
4783         GtkWidget *scrolledwin = summaryview->scrolledwin;
4784         FolderItem *item;
4785         guint selected_msgnum = summary_get_msgnum(summaryview, summaryview->selected);
4786         guint displayed_msgnum = summary_get_msgnum(summaryview, summaryview->displayed);
4787
4788         item = summaryview->folder_item;
4789
4790         summary_clear_all(summaryview);
4791         gtk_widget_destroy(summaryview->ctree);
4792
4793         summaryview->ctree = ctree = summary_ctree_create(summaryview);
4794         summary_set_fonts(summaryview);
4795         summary_set_column_titles(summaryview);
4796         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
4797                                             GTK_CLIST(ctree)->hadjustment);
4798         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
4799                                             GTK_CLIST(ctree)->vadjustment);
4800         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
4801         gtk_widget_show(ctree);
4802
4803         summary_show(summaryview, item);
4804
4805         summary_select_by_msgnum(summaryview, selected_msgnum);
4806
4807         summaryview->displayed = summary_find_msg_by_msgnum(summaryview, displayed_msgnum);
4808         if (!summaryview->displayed)
4809                 messageview_clear(summaryview->messageview);
4810         else
4811                 summary_redisplay_msg(summaryview);
4812 }
4813
4814
4815 /* callback functions */
4816
4817 static gint summary_toggle_pressed(GtkWidget *eventbox, GdkEventButton *event,
4818                                    SummaryView *summaryview)
4819 {
4820         if (event)  
4821                 summary_toggle_view(summaryview);
4822         return TRUE;
4823 }
4824
4825 static gboolean summary_button_pressed(GtkWidget *ctree, GdkEventButton *event,
4826                                        SummaryView *summaryview)
4827 {
4828         if (!event) return FALSE;
4829
4830         if (event->button == 3) {
4831                 summaryview->display_msg = messageview_is_visible(summaryview->messageview);
4832                 /* right clicked */
4833                 gtk_menu_popup(GTK_MENU(summaryview->popupmenu), NULL, NULL,
4834                                NULL, NULL, event->button, event->time);
4835         } else if (event->button == 2) {
4836                 summaryview->display_msg = messageview_is_visible(summaryview->messageview);
4837         } else if (event->button == 1) {
4838                 if (!prefs_common.emulate_emacs &&
4839                     messageview_is_visible(summaryview->messageview))
4840                         summaryview->display_msg = TRUE;
4841         }
4842
4843         return FALSE;
4844 }
4845
4846 static gboolean summary_button_released(GtkWidget *ctree, GdkEventButton *event,
4847                                         SummaryView *summaryview)
4848 {
4849         return FALSE;
4850 }
4851
4852 gboolean summary_pass_key_press_event(SummaryView *summaryview, GdkEventKey *event)
4853 {
4854         return summary_key_pressed(summaryview->ctree, event, summaryview);
4855 }
4856
4857 #define BREAK_ON_MODIFIER_KEY() \
4858         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
4859
4860 static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
4861                                     SummaryView *summaryview)
4862 {
4863         GtkCTree *ctree = GTK_CTREE(widget);
4864         GtkCTreeNode *node;
4865         MessageView *messageview;
4866         TextView *textview;
4867         GtkAdjustment *adj;
4868         gboolean mod_pressed;
4869
4870         if (summary_is_locked(summaryview)) return TRUE;
4871         if (!event) return TRUE;
4872
4873         if (quicksearch_has_focus(summaryview->quicksearch))
4874                 return FALSE;
4875
4876         switch (event->keyval) {
4877         case GDK_Left:          /* Move focus */
4878                 adj = gtk_scrolled_window_get_hadjustment
4879                         (GTK_SCROLLED_WINDOW(summaryview->scrolledwin));
4880                 if (adj->lower != adj->value)
4881                         break;
4882                 /* FALLTHROUGH */       
4883         case GDK_Escape:
4884                 gtk_widget_grab_focus(summaryview->folderview->ctree);
4885                 return TRUE;
4886         case GDK_Home:
4887         case GDK_End:
4888                 if ((node = summaryview->selected) != NULL) {
4889                         GtkCTreeNode *next = NULL;
4890                         next = (event->keyval == GDK_Home)
4891                                         ? gtk_ctree_node_nth(ctree, 0)
4892                                         : gtk_ctree_node_nth(ctree, 
4893                                                 g_list_length(GTK_CLIST(ctree)->row_list)-1);
4894                         if (next) {
4895                                 gtk_sctree_select_with_state
4896                                         (GTK_SCTREE(ctree), next, event->state);
4897
4898                                 /* Deprecated - what are the non-deprecated equivalents? */
4899                                 if (gtk_ctree_node_is_visible(GTK_CTREE(ctree), next) != GTK_VISIBILITY_FULL)
4900                                         gtk_ctree_node_moveto(GTK_CTREE(ctree), next, 0, 0, 0);
4901                                 summaryview->selected = next;
4902                         }
4903                 }
4904                 return TRUE;
4905         default:
4906                 break;
4907         }
4908
4909         if (!summaryview->selected) {
4910                 node = gtk_ctree_node_nth(ctree, 0);
4911                 if (node)
4912                         gtk_sctree_select(GTK_SCTREE(ctree), node);
4913                 else
4914                         return TRUE;
4915         }
4916
4917         messageview = summaryview->messageview;
4918         textview = messageview->mimeview->textview;
4919
4920         mod_pressed =
4921                 ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
4922
4923         switch (event->keyval) {
4924         case GDK_space:         /* Page down or go to the next */
4925                 if (event->state & GDK_SHIFT_MASK) 
4926                         textview_scroll_page(textview, TRUE);
4927                 else {
4928                         if (summaryview->displayed != summaryview->selected) {
4929                                 summary_display_msg(summaryview,
4930                                                     summaryview->selected);
4931                                 break;
4932                         }
4933                         if (mod_pressed) {
4934                                 if (!textview_scroll_page(textview, TRUE))
4935                                         summary_select_prev_unread(summaryview);
4936                         } else {
4937                                 if (!textview_scroll_page(textview, FALSE))
4938                                         summary_select_next_unread(summaryview);
4939                         }                               
4940                 }
4941                 break;
4942         case GDK_BackSpace:     /* Page up */
4943                 textview_scroll_page(textview, TRUE);
4944                 break;
4945         case GDK_Return:        /* Scroll up/down one line */
4946                 if (summaryview->displayed != summaryview->selected) {
4947                         summary_display_msg(summaryview,
4948                                             summaryview->selected);
4949                         break;
4950                 }
4951                 textview_scroll_one_line(textview, mod_pressed);
4952                 break;
4953         case GDK_Delete:
4954                 BREAK_ON_MODIFIER_KEY();
4955                 summary_delete_trash(summaryview);
4956                 break;
4957         case GDK_y:
4958         case GDK_t:
4959         case GDK_l:
4960         case GDK_c:
4961                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
4962                         g_signal_stop_emission_by_name(G_OBJECT(widget), 
4963                                        "key_press_event");
4964                         mimeview_pass_key_press_event(messageview->mimeview,
4965                                                       event);
4966                         break;
4967                 }
4968         default:
4969                 break;
4970         }
4971         return FALSE;
4972 }
4973
4974 static void quicksearch_execute_cb(QuickSearch *quicksearch, gpointer data)
4975 {
4976         SummaryView *summaryview = data;
4977
4978         summary_show(summaryview, summaryview->folder_item);
4979 }
4980
4981 static void tog_searchbar_cb(GtkWidget *w, gpointer data)
4982 {
4983         SummaryView *summaryview = (SummaryView *)data;
4984
4985         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) {
4986                 prefs_common.show_searchbar = TRUE;
4987                 quicksearch_show(summaryview->quicksearch);
4988         } else {
4989                 prefs_common.show_searchbar = FALSE;
4990                 quicksearch_hide(summaryview->quicksearch);
4991         }
4992 }
4993
4994 void summaryview_activate_quicksearch(SummaryView *summaryview) 
4995 {
4996         gtk_toggle_button_set_active(
4997                 GTK_TOGGLE_BUTTON(summaryview->toggle_search), 
4998                 TRUE);
4999         quicksearch_show(summaryview->quicksearch);
5000 }
5001
5002 static void summary_open_row(GtkSCTree *sctree, SummaryView *summaryview)
5003 {
5004         if (FOLDER_SHOWS_TO_HDR(summaryview->folder_item))
5005                 summary_reedit(summaryview);
5006         else
5007                 summary_open_msg(summaryview);
5008
5009         summaryview->display_msg = FALSE;
5010 }
5011
5012 static void summary_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
5013                                   SummaryView *summaryview)
5014 {
5015         summary_set_row_marks(summaryview, node);
5016         if (prefs_common.bold_unread) {
5017                 while (node) {
5018                         GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
5019                         if (GTK_CTREE_ROW(node)->children)
5020                                 summary_set_row_marks(summaryview, node);
5021                         node = next;
5022                 }
5023         }
5024 }
5025
5026 static void summary_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
5027                                    SummaryView *summaryview)
5028 {
5029         summary_set_row_marks(summaryview, node);
5030 }
5031
5032 static void summary_unselected(GtkCTree *ctree, GtkCTreeNode *row,
5033                                gint column, SummaryView *summaryview)
5034 {
5035         if (summary_is_locked(summaryview)
5036         ||  GTK_SCTREE(ctree)->selecting_range) {
5037                 return;
5038         }
5039
5040         summary_status_show(summaryview);
5041 }
5042
5043 static void summary_selected(GtkCTree *ctree, GtkCTreeNode *row,
5044                              gint column, SummaryView *summaryview)
5045 {
5046         MsgInfo *msginfo;
5047         gboolean marked_unread = FALSE;
5048
5049         if (summary_is_locked(summaryview)
5050         ||  GTK_SCTREE(ctree)->selecting_range) {
5051                 return;
5052         }
5053
5054         summary_status_show(summaryview);
5055
5056         if (GTK_CLIST(ctree)->selection &&
5057             GTK_CLIST(ctree)->selection->next) {
5058                 summaryview->display_msg = FALSE;
5059                 summary_set_menu_sensitive(summaryview);
5060                 toolbar_main_set_sensitive(summaryview->mainwin);
5061                 return;
5062         }
5063
5064         summaryview->selected = row;
5065
5066         msginfo = gtk_ctree_node_get_row_data(ctree, row);
5067         g_return_if_fail(msginfo != NULL);
5068
5069         toolbar_set_learn_button
5070                 (summaryview->mainwin->toolbar,
5071                  MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
5072
5073         switch (column < 0 ? column : summaryview->col_state[column].type) {
5074         case S_COL_MARK:
5075                 if (!MSG_IS_DELETED(msginfo->flags) &&
5076                     !MSG_IS_MOVE(msginfo->flags) &&
5077                     !MSG_IS_COPY(msginfo->flags)) {
5078                         if (MSG_IS_MARKED(msginfo->flags)) {
5079                                 summary_unmark_row(summaryview, row);
5080                         } else {
5081                                 summary_mark_row(summaryview, row);
5082                         }
5083                 }
5084                 break;
5085         case S_COL_STATUS:
5086                 if (MSG_IS_UNREAD(msginfo->flags)) {
5087                         summary_mark_row_as_read(summaryview, row);
5088                         summary_status_show(summaryview);
5089                 } else if (MSG_IS_SPAM(msginfo->flags)) {
5090                                 if (procmsg_spam_learner_learn(msginfo, NULL, FALSE) == 0)
5091                                         summary_msginfo_unset_flags(msginfo, MSG_SPAM, 0);
5092                                 else
5093                                         log_error(_("An error happened while learning.\n"));
5094                 } else if (!MSG_IS_REPLIED(msginfo->flags) &&
5095                          !MSG_IS_FORWARDED(msginfo->flags)) {
5096                         marked_unread = TRUE;
5097                 } else if (MSG_IS_REPLIED(msginfo->flags)) {
5098                         summary_find_answers(summaryview, msginfo);
5099                         return;
5100                 } 
5101                 break;
5102         case S_COL_LOCKED:
5103                 if (MSG_IS_LOCKED(msginfo->flags)) {
5104                         summary_msginfo_unset_flags(msginfo, MSG_LOCKED, 0);
5105                         summary_set_row_marks(summaryview, row);
5106                 }
5107                 else
5108                         summary_lock_row(summaryview, row);
5109                 break;
5110         default:
5111                 break;
5112         }
5113
5114         if (summaryview->display_msg ||
5115             (prefs_common.always_show_msg &&
5116              messageview_is_visible(summaryview->messageview))) {
5117                 summaryview->display_msg = FALSE;
5118                 if (summaryview->displayed != row) {
5119                         summary_display_msg(summaryview, row);
5120                         if (marked_unread) {
5121                                 summary_mark_row_as_unread(summaryview, row);
5122                                 summary_status_show(summaryview);
5123                         } 
5124                         return;
5125                 }
5126         }
5127         
5128         if (marked_unread) {
5129                 summary_mark_row_as_unread(summaryview, row);
5130                 summary_status_show(summaryview);
5131         } 
5132
5133         summary_set_menu_sensitive(summaryview);
5134         toolbar_main_set_sensitive(summaryview->mainwin);
5135 }
5136
5137 static void summary_col_resized(GtkCList *clist, gint column, gint width,
5138                                 SummaryView *summaryview)
5139 {
5140         SummaryColumnType type = summaryview->col_state[column].type;
5141
5142         prefs_common.summary_col_size[type] = width;
5143 }
5144
5145
5146 /*
5147  * \brief get List of msginfo selected in SummaryView
5148  *
5149  * \param summaryview
5150  *
5151  * \return GSList holding MsgInfo
5152  */
5153 GSList *summary_get_selection(SummaryView *summaryview)
5154 {
5155         GList *sel = NULL;
5156         GSList *msginfo_list = NULL;
5157         
5158         g_return_val_if_fail(summaryview != NULL, NULL);
5159
5160         sel = GTK_CLIST(summaryview->ctree)->selection;
5161
5162         g_return_val_if_fail(sel != NULL, NULL);
5163
5164         for ( ; sel != NULL; sel = sel->next)
5165                 msginfo_list = 
5166                         g_slist_append(msginfo_list, 
5167                                        gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
5168                                                                    GTK_CTREE_NODE(sel->data)));
5169         return msginfo_list;
5170 }
5171
5172 static void summary_reply_cb(SummaryView *summaryview, guint action,
5173                              GtkWidget *widget)
5174 {
5175         MessageView *msgview = (MessageView*)summaryview->messageview;
5176         GSList *msginfo_list;
5177
5178         g_return_if_fail(msgview != NULL);
5179
5180         msginfo_list = summary_get_selection(summaryview);
5181         g_return_if_fail(msginfo_list != NULL);
5182         compose_reply_from_messageview(msgview, msginfo_list, action);
5183         g_slist_free(msginfo_list);
5184 }
5185
5186 static void summary_show_all_header_cb(SummaryView *summaryview,
5187                                        guint action, GtkWidget *widget)
5188 {
5189         summaryview->messageview->all_headers =
5190                         GTK_CHECK_MENU_ITEM(widget)->active;
5191         summary_display_msg_selected(summaryview,
5192                                      GTK_CHECK_MENU_ITEM(widget)->active);
5193 }
5194
5195 static void summary_add_address_cb(SummaryView *summaryview,
5196                                    guint action, GtkWidget *widget)
5197 {
5198         summary_add_address(summaryview);
5199 }
5200
5201 static void summary_create_filter_cb(SummaryView *summaryview,
5202                                      guint action, GtkWidget *widget)
5203 {
5204         summary_filter_open(summaryview, (PrefsFilterType)action, 0);
5205 }
5206
5207 static void summary_create_processing_cb(SummaryView *summaryview,
5208                                          guint action, GtkWidget *widget)
5209 {
5210         summary_filter_open(summaryview, (PrefsFilterType)action, 1);
5211 }
5212
5213 static void summary_sort_by_column_click(SummaryView *summaryview,
5214                                          FolderSortKey sort_key)
5215 {
5216         GtkCTreeNode *node = NULL;
5217         START_TIMING("summary_sort_by_column_click");
5218         if (summaryview->sort_key == sort_key)
5219                 summary_sort(summaryview, sort_key,
5220                              summaryview->sort_type == SORT_ASCENDING
5221                              ? SORT_DESCENDING : SORT_ASCENDING);
5222         else
5223                 summary_sort(summaryview, sort_key, SORT_ASCENDING);
5224
5225         node = GTK_CTREE_NODE(GTK_CLIST(summaryview->ctree)->row_list);
5226
5227         if (prefs_common.bold_unread) {
5228                 while (node) {
5229                         GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
5230                         if (GTK_CTREE_ROW(node)->children)
5231                                 summary_set_row_marks(summaryview, node);
5232                         node = next;
5233                 }
5234         }
5235         END_TIMING();
5236 }
5237
5238 static void summary_mark_clicked(GtkWidget *button, SummaryView *summaryview)
5239 {
5240         summary_sort_by_column_click(summaryview, SORT_BY_MARK);
5241 }
5242
5243 static void summary_status_clicked(GtkWidget *button, SummaryView *summaryview)
5244 {
5245         summary_sort_by_column_click(summaryview, SORT_BY_STATUS);
5246 }
5247
5248 static void summary_mime_clicked(GtkWidget *button, SummaryView *summaryview)
5249 {
5250         summary_sort_by_column_click(summaryview, SORT_BY_MIME);
5251 }
5252
5253 static void summary_num_clicked(GtkWidget *button, SummaryView *summaryview)
5254 {
5255         summary_sort_by_column_click(summaryview, SORT_BY_NUMBER);
5256 }
5257
5258 static void summary_size_clicked(GtkWidget *button, SummaryView *summaryview)
5259 {
5260         summary_sort_by_column_click(summaryview, SORT_BY_SIZE);
5261 }
5262
5263 static void summary_date_clicked(GtkWidget *button, SummaryView *summaryview)
5264 {
5265         summary_sort_by_column_click(summaryview, SORT_BY_DATE);
5266 }
5267
5268 static void summary_from_clicked(GtkWidget *button, SummaryView *summaryview)
5269 {
5270         if (summaryview->col_state[summaryview->col_pos[S_COL_FROM]].visible)
5271                 summary_sort_by_column_click(summaryview, SORT_BY_FROM);
5272         else
5273                 summary_sort_by_column_click(summaryview, SORT_BY_TO);
5274 }
5275
5276 static void summary_to_clicked(GtkWidget *button, SummaryView *summaryview)
5277 {
5278         if (summaryview->col_state[summaryview->col_pos[S_COL_TO]].visible)
5279                 summary_sort_by_column_click(summaryview, SORT_BY_TO);
5280         else
5281                 summary_sort_by_column_click(summaryview, SORT_BY_FROM);
5282 }
5283
5284 static void summary_subject_clicked(GtkWidget *button,
5285                                     SummaryView *summaryview)
5286 {
5287         summary_sort_by_column_click(summaryview, SORT_BY_SUBJECT);
5288 }
5289
5290 static void summary_score_clicked(GtkWidget *button,
5291                                   SummaryView *summaryview)
5292 {
5293         summary_sort_by_column_click(summaryview, SORT_BY_SCORE);
5294 }
5295
5296 static void summary_locked_clicked(GtkWidget *button,
5297                                    SummaryView *summaryview)
5298 {
5299         summary_sort_by_column_click(summaryview, SORT_BY_LOCKED);
5300 }
5301
5302 static void summary_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
5303                                SummaryView *summaryview)
5304 {
5305         GdkDragContext *context;
5306
5307         g_return_if_fail(summaryview != NULL);
5308         g_return_if_fail(summaryview->folder_item != NULL);
5309         g_return_if_fail(summaryview->folder_item->folder != NULL);
5310         if (summaryview->selected == NULL) return;
5311
5312         context = gtk_drag_begin(widget, summaryview->target_list,
5313                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
5314         gtk_drag_set_icon_default(context);
5315 }
5316
5317 static void summary_drag_data_get(GtkWidget        *widget,
5318                                   GdkDragContext   *drag_context,
5319                                   GtkSelectionData *selection_data,
5320                                   guint             info,
5321                                   guint             time,
5322                                   SummaryView      *summaryview)
5323 {
5324         if (info == TARGET_MAIL_URI_LIST) {
5325                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
5326                 GList *cur;
5327                 MsgInfo *msginfo;
5328                 gchar *mail_list = NULL, *tmp1, *tmp2;
5329
5330                 for (cur = GTK_CLIST(ctree)->selection;
5331                      cur != NULL && cur->data != NULL; cur = cur->next) {
5332                         msginfo = gtk_ctree_node_get_row_data
5333                                 (ctree, GTK_CTREE_NODE(cur->data));
5334                         tmp2 = procmsg_get_message_file(msginfo);
5335                         if (!tmp2) continue;
5336                         if (msginfo->subject) {
5337                                 gchar *san_subject = g_strdup(msginfo->subject);
5338                                 gchar *dest = NULL;
5339                                 subst_for_filename(san_subject);
5340                                 dest = g_strdup_printf("%s%s%s.%d.txt",
5341                                                 get_tmp_dir(),
5342                                                 G_DIR_SEPARATOR_S,
5343                                                 san_subject, msginfo->msgnum);
5344                                 g_free(san_subject);
5345                                 san_subject = g_filename_from_utf8(dest, -1, NULL, NULL, NULL);
5346                                 g_free(dest);
5347                                 dest = san_subject;
5348                                 if (copy_file(tmp2, dest, TRUE) == 0) {
5349                                         g_free(tmp2);
5350                                         tmp2 = dest;
5351                                 }
5352                         } 
5353                         tmp1 = g_strconcat("file://", tmp2, "\r\n", NULL);
5354                         g_free(tmp2);
5355
5356                         if (!mail_list) {
5357                                 mail_list = tmp1;
5358                         } else {
5359                                 tmp2 = g_strconcat(mail_list, tmp1, NULL);
5360                                 g_free(mail_list);
5361                                 g_free(tmp1);
5362                                 mail_list = tmp2;
5363                         }
5364                 }
5365
5366                 if (mail_list != NULL) {
5367                         gtk_selection_data_set(selection_data,
5368                                                selection_data->target, 8,
5369                                                mail_list, strlen(mail_list));
5370                         g_free(mail_list);
5371                 } 
5372         } else if (info == TARGET_DUMMY) {
5373                 if (GTK_CLIST(summaryview->ctree)->selection)
5374                         gtk_selection_data_set(selection_data,
5375                                                selection_data->target, 8,
5376                                                "Dummy-Summaryview", 
5377                                                strlen("Dummy-Summaryview")+1);
5378         }
5379 }
5380
5381 static gboolean summary_drag_motion_cb(GtkWidget      *widget,
5382                                           GdkDragContext *context,
5383                                           gint            x,
5384                                           gint            y,
5385                                           guint           time,
5386                                           SummaryView    *summaryview)
5387 {
5388         FolderItem *item = summaryview->folder_item;
5389         if (!(item && item->folder && folder_item_parent(item) != NULL
5390                     && FOLDER_CLASS(item->folder)->add_msg != NULL)) {
5391                 gdk_drag_status(context, 0, time);
5392                 return FALSE;
5393         } else if (gtk_drag_get_source_widget(context) ==
5394                 mainwindow_get_mainwindow()->folderview->ctree) {
5395                 /* no folders */
5396                 gdk_drag_status(context, 0, time);
5397                 return FALSE;
5398         } else if (gtk_drag_get_source_widget(context) ==
5399                 summaryview->ctree) {
5400                 /* not from same folder */
5401                 gdk_drag_status(context, 0, time);
5402                 return FALSE;
5403         } else {
5404                 gdk_drag_status(context, GDK_ACTION_COPY, time);
5405                 return TRUE;
5406         }
5407 }
5408
5409 static void summary_drag_data_received(GtkWidget        *widget,
5410                                         GdkDragContext   *drag_context,
5411                                         gint              x,
5412                                         gint              y,
5413                                         GtkSelectionData *data,
5414                                         guint             info,
5415                                         guint             time,
5416                                         SummaryView       *summaryview)
5417 {
5418         if (info == TARGET_MAIL_URI_LIST) {
5419                 FolderItem *item = summaryview->folder_item;
5420                 if (!item) {
5421                         gtk_drag_finish(drag_context, FALSE, FALSE, time);                      
5422                         return;
5423                 } else {
5424                         folderview_finish_dnd(data->data, drag_context, time, item);
5425                 }
5426         }
5427 }
5428
5429
5430 /* custom compare functions for sorting */
5431
5432 #define CMP_FUNC_DEF(func_name, val)                                     \
5433 static gint func_name(GtkCList *clist,                                   \
5434                       gconstpointer ptr1, gconstpointer ptr2)            \
5435 {                                                                        \
5436         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;                 \
5437         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;                 \
5438                                                                          \
5439         if (!msginfo1 || !msginfo2)                                      \
5440                 return -1;                                               \
5441                                                                          \
5442         return (val);                                                    \
5443 }
5444
5445 CMP_FUNC_DEF(summary_cmp_by_mark,
5446              MSG_IS_MARKED(msginfo1->flags) - MSG_IS_MARKED(msginfo2->flags))
5447 CMP_FUNC_DEF(summary_cmp_by_status,
5448              MSG_IS_UNREAD(msginfo1->flags) - MSG_IS_UNREAD(msginfo2->flags))
5449 CMP_FUNC_DEF(summary_cmp_by_mime,
5450              MSG_IS_WITH_ATTACHMENT(msginfo1->flags) - MSG_IS_WITH_ATTACHMENT(msginfo2->flags))
5451 CMP_FUNC_DEF(summary_cmp_by_label,
5452              MSG_GET_COLORLABEL(msginfo1->flags) -
5453              MSG_GET_COLORLABEL(msginfo2->flags))
5454 CMP_FUNC_DEF(summary_cmp_by_locked,
5455              MSG_IS_LOCKED(msginfo1->flags) - MSG_IS_LOCKED(msginfo2->flags))
5456
5457 CMP_FUNC_DEF(summary_cmp_by_num, msginfo1->msgnum - msginfo2->msgnum)
5458 CMP_FUNC_DEF(summary_cmp_by_size, msginfo1->size - msginfo2->size)
5459 CMP_FUNC_DEF(summary_cmp_by_date, msginfo1->date_t - msginfo2->date_t)
5460
5461 #undef CMP_FUNC_DEF
5462
5463 static gint summary_cmp_by_subject(GtkCList *clist,
5464                                    gconstpointer ptr1,
5465                                    gconstpointer ptr2)
5466 {
5467         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
5468         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
5469
5470         if (!msginfo1->subject)
5471                 return (msginfo2->subject != NULL);
5472         if (!msginfo2->subject)
5473                 return -1;
5474
5475         return subject_compare_for_sort
5476                 (msginfo1->subject, msginfo2->subject);
5477 }
5478
5479 static gint summary_cmp_by_from(GtkCList *clist, gconstpointer ptr1,
5480                                 gconstpointer ptr2)
5481 {
5482         const gchar *str1, *str2;
5483         const GtkCListRow *r1 = (const GtkCListRow *) ptr1;
5484         const GtkCListRow *r2 = (const GtkCListRow *) ptr2;
5485         const SummaryView *sv = g_object_get_data(G_OBJECT(clist), "summaryview");
5486         
5487         g_return_val_if_fail(sv, -1);
5488         
5489         str1 = GTK_CELL_TEXT(r1->cell[sv->col_pos[S_COL_FROM]])->text;
5490         str2 = GTK_CELL_TEXT(r2->cell[sv->col_pos[S_COL_FROM]])->text;
5491
5492         if (!str1)
5493                 return str2 != NULL;
5494  
5495         if (!str2)
5496                 return -1;
5497  
5498         return g_utf8_collate(str1, str2);
5499 }
5500  
5501 static gint summary_cmp_by_to(GtkCList *clist, gconstpointer ptr1,
5502                                 gconstpointer ptr2)
5503 {
5504         const gchar *str1, *str2;
5505         const GtkCListRow *r1 = (const GtkCListRow *) ptr1;
5506         const GtkCListRow *r2 = (const GtkCListRow *) ptr2;
5507         const SummaryView *sv = g_object_get_data(G_OBJECT(clist), "summaryview");
5508         
5509         g_return_val_if_fail(sv, -1);
5510         
5511         str1 = GTK_CELL_TEXT(r1->cell[sv->col_pos[S_COL_TO]])->text;
5512         str2 = GTK_CELL_TEXT(r2->cell[sv->col_pos[S_COL_TO]])->text;
5513
5514         if (!str1)
5515                 return str2 != NULL;
5516  
5517         if (!str2)
5518                 return -1;
5519  
5520         return g_utf8_collate(str1, str2);
5521 }
5522  
5523 static gint summary_cmp_by_simplified_subject
5524         (GtkCList *clist, gconstpointer ptr1, gconstpointer ptr2)
5525 {
5526         const FolderItemPrefs *prefs;
5527         const gchar *str1, *str2;
5528         const GtkCListRow *r1 = (const GtkCListRow *) ptr1;
5529         const GtkCListRow *r2 = (const GtkCListRow *) ptr2;
5530         const MsgInfo *msginfo1 = r1->data;
5531         const MsgInfo *msginfo2 = r2->data;
5532         const SummaryView *sv = g_object_get_data(G_OBJECT(clist), "summaryview");
5533         
5534         g_return_val_if_fail(sv, -1);
5535         g_return_val_if_fail(msginfo1 != NULL && msginfo2 != NULL, -1);
5536         
5537         str1 = GTK_CELL_TEXT(r1->cell[sv->col_pos[S_COL_SUBJECT]])->text;
5538         str2 = GTK_CELL_TEXT(r2->cell[sv->col_pos[S_COL_SUBJECT]])->text;
5539
5540         if (!str1)
5541                 return str2 != NULL;
5542
5543         if (!str2)
5544                 return -1;
5545
5546         prefs = msginfo1->folder->prefs;
5547         if (!prefs)
5548                 prefs = msginfo2->folder->prefs;
5549         if (!prefs)
5550                 return -1;
5551         
5552         return subject_compare_for_sort(str1, str2);
5553 }
5554
5555 static gint summary_cmp_by_score(GtkCList *clist,
5556                                  gconstpointer ptr1, gconstpointer ptr2)
5557 {
5558         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
5559         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
5560         int diff;
5561
5562         /* if score are equal, sort by date */
5563
5564         diff = msginfo1->score - msginfo2->score;
5565         if (diff != 0)
5566                 return diff;
5567         else
5568                 return summary_cmp_by_date(clist, ptr1, ptr2);
5569 }
5570
5571 static void news_flag_crosspost(MsgInfo *msginfo)
5572 {
5573         GString *line;
5574         gpointer key;
5575         gpointer value;
5576         Folder *mff;
5577
5578         g_return_if_fail(msginfo != NULL);
5579         g_return_if_fail(msginfo->folder != NULL);
5580         g_return_if_fail(msginfo->folder->folder != NULL);
5581         mff = msginfo->folder->folder;
5582         g_return_if_fail(mff->klass->type == F_NEWS);
5583
5584         if (mff->account->mark_crosspost_read) {
5585                 line = g_string_sized_new(128);
5586                 g_string_printf(line, "%s:%d", msginfo->folder->path, msginfo->msgnum);
5587                 debug_print("nfcp: checking <%s>", line->str);
5588                 if (mff->newsart && 
5589                     g_hash_table_lookup_extended(mff->newsart, line->str, &key, &value)) {
5590                         debug_print(" <%s>", (gchar *)value);
5591                         if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
5592                                 summary_msginfo_change_flags(msginfo, 
5593                                         mff->account->crosspost_col, 0, MSG_NEW | MSG_UNREAD, 0);
5594                         }
5595                         g_hash_table_remove(mff->newsart, key);
5596                         g_free(key);
5597                 }
5598                 g_string_free(line, TRUE);
5599                 debug_print("\n");
5600         }
5601 }
5602
5603 static void summary_ignore_thread_func(GtkCTree *ctree, GtkCTreeNode *row, gpointer data)
5604 {
5605         SummaryView *summaryview = (SummaryView *) data;
5606         MsgInfo *msginfo;
5607
5608         msginfo = gtk_ctree_node_get_row_data(ctree, row);
5609         g_return_if_fail(msginfo);
5610
5611         summary_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
5612
5613         summary_set_row_marks(summaryview, row);
5614         debug_print("Message %d is marked as ignore thread\n",
5615             msginfo->msgnum);
5616 }
5617
5618 static void summary_ignore_thread(SummaryView *summaryview)
5619 {
5620         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
5621         GList *cur;
5622
5623         START_LONG_OPERATION(summaryview);
5624         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
5625                 gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), 
5626                                         GTK_CTREE_FUNC(summary_ignore_thread_func), 
5627                                         summaryview);
5628
5629         END_LONG_OPERATION(summaryview);
5630
5631         summary_status_show(summaryview);
5632 }
5633
5634 static void summary_unignore_thread_func(GtkCTree *ctree, GtkCTreeNode *row, gpointer data)
5635 {
5636         SummaryView *summaryview = (SummaryView *) data;
5637         MsgInfo *msginfo;
5638
5639         msginfo = gtk_ctree_node_get_row_data(ctree, row);
5640         g_return_if_fail(msginfo);
5641
5642         summary_msginfo_unset_flags(msginfo, MSG_IGNORE_THREAD, 0);
5643
5644         summary_set_row_marks(summaryview, row);
5645         debug_print("Message %d is marked as unignore thread\n",
5646             msginfo->msgnum);
5647 }
5648
5649 static void summary_unignore_thread(SummaryView *summaryview)
5650 {
5651         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
5652         GList *cur;
5653
5654         START_LONG_OPERATION(summaryview);
5655         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
5656                 gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), 
5657                                         GTK_CTREE_FUNC(summary_unignore_thread_func), 
5658                                         summaryview);
5659
5660         END_LONG_OPERATION(summaryview);
5661
5662         summary_status_show(summaryview);
5663 }
5664
5665 static void summary_check_ignore_thread_func
5666                 (GtkCTree *ctree, GtkCTreeNode *row, gpointer data)
5667 {
5668         MsgInfo *msginfo;
5669         gint *found_ignore = (gint *) data;
5670
5671         if (*found_ignore) return;
5672         else {
5673                 msginfo = gtk_ctree_node_get_row_data(ctree, row);
5674                 *found_ignore = msginfo && MSG_IS_IGNORE_THREAD(msginfo->flags);
5675         }               
5676 }
5677
5678 void summary_toggle_ignore_thread(SummaryView *summaryview)
5679 {
5680         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
5681         GList *cur;
5682         gint found_ignore = 0;
5683
5684         for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
5685                 gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data),
5686                                         GTK_CTREE_FUNC(summary_check_ignore_thread_func),
5687                                         &found_ignore);
5688
5689         if (found_ignore) 
5690                 summary_unignore_thread(summaryview);
5691         else 
5692                 summary_ignore_thread(summaryview);
5693 }
5694
5695 void summary_toggle_show_read_messages(SummaryView *summaryview)
5696 {
5697         FolderItemUpdateData source;
5698         if (summaryview->folder_item->hide_read_msgs)
5699                 summaryview->folder_item->hide_read_msgs = 0;
5700         else
5701                 summaryview->folder_item->hide_read_msgs = 1;
5702
5703         source.item = summaryview->folder_item;
5704         source.update_flags = F_ITEM_UPDATE_NAME;
5705         source.msg = NULL;
5706         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
5707         summary_show(summaryview, summaryview->folder_item);
5708 }
5709  
5710 static void summary_set_hide_read_msgs_menu (SummaryView *summaryview,
5711                                              guint action)
5712 {
5713         GtkWidget *widget;
5714  
5715         widget = gtk_item_factory_get_item(gtk_item_factory_from_widget(summaryview->mainwin->menubar),
5716                                            "/View/Hide read messages");
5717         g_object_set_data(G_OBJECT(widget), "dont_toggle",
5718                           GINT_TO_POINTER(1));
5719         gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM(widget), action);
5720         g_object_set_data(G_OBJECT(widget), "dont_toggle",
5721                           GINT_TO_POINTER(0));
5722 }
5723
5724 void summary_reflect_prefs_pixmap_theme(SummaryView *summaryview)
5725 {
5726         GtkWidget *ctree = summaryview->ctree;
5727         GtkWidget *pixmap; 
5728
5729         gtk_widget_destroy(summaryview->folder_pixmap);
5730
5731         stock_pixmap_gdk(ctree, STOCK_PIXMAP_MARK, &markxpm, &markxpmmask);
5732         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DELETED, &deletedxpm, &deletedxpmmask);
5733         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW, &newxpm, &newxpmmask);
5734         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD, &unreadxpm, &unreadxpmmask);
5735         stock_pixmap_gdk(ctree, STOCK_PIXMAP_REPLIED, &repliedxpm, &repliedxpmmask);
5736         stock_pixmap_gdk(ctree, STOCK_PIXMAP_FORWARDED, &forwardedxpm, &forwardedxpmmask);
5737         stock_pixmap_gdk(ctree, STOCK_PIXMAP_CLIP, &clipxpm, &clipxpmmask);
5738         stock_pixmap_gdk(ctree, STOCK_PIXMAP_LOCKED, &lockedxpm, &lockedxpmmask);
5739         stock_pixmap_gdk(ctree, STOCK_PIXMAP_IGNORETHREAD, &ignorethreadxpm, &ignorethreadxpmmask);
5740         stock_pixmap_gdk(ctree, STOCK_PIXMAP_CLIP_KEY, &clipkeyxpm, &clipkeyxpmmask);
5741         stock_pixmap_gdk(ctree, STOCK_PIXMAP_KEY, &keyxpm, &keyxpmmask);
5742         stock_pixmap_gdk(ctree, STOCK_PIXMAP_GPG_SIGNED, &gpgsignedxpm, &gpgsignedxpmmask);
5743         stock_pixmap_gdk(ctree, STOCK_PIXMAP_CLIP_GPG_SIGNED, &clipgpgsignedxpm, &clipgpgsignedxpmmask);
5744         stock_pixmap_gdk(ctree, STOCK_PIXMAP_SPAM, &spamxpm, &spamxpmmask);
5745
5746         pixmap = stock_pixmap_widget(summaryview->hbox, STOCK_PIXMAP_DIR_OPEN);
5747         gtk_box_pack_start(GTK_BOX(summaryview->hbox), pixmap, FALSE, FALSE, 4);
5748         gtk_box_reorder_child(GTK_BOX(summaryview->hbox), pixmap, 1); /* search_toggle before */
5749         gtk_widget_show(pixmap);
5750         summaryview->folder_pixmap = pixmap; 
5751
5752         pixmap = stock_pixmap_widget(summaryview->hbox, STOCK_PIXMAP_QUICKSEARCH);
5753         gtk_container_remove (GTK_CONTAINER(summaryview->toggle_search), 
5754                               summaryview->quick_search_pixmap);
5755         gtk_container_add(GTK_CONTAINER(summaryview->toggle_search), pixmap);
5756         gtk_widget_show(pixmap);
5757         summaryview->quick_search_pixmap = pixmap;
5758
5759         folderview_unselect(summaryview->folderview);
5760         folderview_select(summaryview->folderview, summaryview->folder_item);
5761         summary_set_column_titles(summaryview);
5762 }
5763
5764 void summary_reflect_prefs_custom_colors(SummaryView *summaryview)
5765 {
5766         GtkMenuShell *menu;
5767         GList *cur;
5768
5769         /* re-create colorlabel submenu */
5770         menu = GTK_MENU_SHELL(summaryview->colorlabel_menu);
5771         g_return_if_fail(menu != NULL);
5772
5773         /* clear items. get item pointers. */
5774         for (cur = menu->children; cur != NULL && cur->data != NULL; cur = cur->next) {
5775                 gtk_menu_item_remove_submenu(GTK_MENU_ITEM(cur->data));
5776         }
5777         summary_colorlabel_menu_create(summaryview, TRUE);
5778 }
5779
5780 /*
5781  * Harvest addresses for selected messages in summary view.
5782  */
5783 void summary_harvest_address(SummaryView *summaryview)
5784 {
5785         GtkCTree *ctree = GTK_CTREE( summaryview->ctree );
5786         GList *cur;
5787         GList *msgList;
5788         MsgInfo *msginfo;
5789
5790         msgList = NULL;
5791         for( cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next ) {
5792                 msginfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(cur->data) );
5793                 if (!msginfo)
5794                         continue;
5795                 msgList = g_list_append( msgList, GUINT_TO_POINTER( msginfo->msgnum ) );
5796         }
5797         addressbook_harvest( summaryview->folder_item, TRUE, msgList );
5798         g_list_free( msgList );
5799 }
5800
5801 static regex_t *summary_compile_simplify_regexp(gchar *simplify_subject_regexp)
5802 {
5803         int err;
5804         gchar buf[BUFFSIZE];
5805         regex_t *preg = NULL;
5806         
5807         preg = g_new0(regex_t, 1);
5808
5809         err = string_match_precompile(simplify_subject_regexp, 
5810                                       preg, REG_EXTENDED);
5811         if (err) {
5812                 regerror(err, preg, buf, BUFFSIZE);
5813                 alertpanel_error(_("Regular expression (regexp) error:\n%s"), buf);
5814                 g_free(preg);
5815                 preg = NULL;
5816         }
5817         
5818         return preg;
5819 }
5820
5821 void summary_set_prefs_from_folderitem(SummaryView *summaryview, FolderItem *item)
5822 {
5823         g_return_if_fail(summaryview != NULL);
5824         g_return_if_fail(item != NULL);
5825
5826         /* Subject simplification */
5827         if(summaryview->simplify_subject_preg) {
5828                 regfree(summaryview->simplify_subject_preg);
5829                 g_free(summaryview->simplify_subject_preg);
5830                 summaryview->simplify_subject_preg = NULL;
5831         }
5832         if(item->prefs && item->prefs->simplify_subject_regexp && 
5833            item->prefs->simplify_subject_regexp[0] && item->prefs->enable_simplify_subject)
5834                 summaryview->simplify_subject_preg = summary_compile_simplify_regexp(item->prefs->simplify_subject_regexp);
5835
5836         /* Sorting */
5837         summaryview->sort_key = item->sort_key;
5838         summaryview->sort_type = item->sort_type;
5839
5840         /* Threading */
5841         summaryview->threaded = item->threaded;
5842         summaryview->thread_collapsed = item->thread_collapsed;
5843
5844         /* Scoring */
5845 }
5846
5847 void summary_save_prefs_to_folderitem(SummaryView *summaryview, FolderItem *item)
5848 {
5849         /* Sorting */
5850         item->sort_key = summaryview->sort_key;
5851         item->sort_type = summaryview->sort_type;
5852
5853         /* Threading */
5854         item->threaded = summaryview->threaded;
5855         item->thread_collapsed = summaryview->thread_collapsed;
5856 }
5857
5858 static gboolean summary_update_msg(gpointer source, gpointer data) 
5859 {
5860         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
5861         SummaryView *summaryview = (SummaryView *)data;
5862         GtkCTreeNode *node;
5863
5864         g_return_val_if_fail(msginfo_update != NULL, TRUE);
5865         g_return_val_if_fail(summaryview != NULL, FALSE);
5866
5867         if (msginfo_update->flags & MSGINFO_UPDATE_FLAGS) {
5868                 node = gtk_ctree_find_by_row_data(
5869                                 GTK_CTREE(summaryview->ctree), NULL, 
5870                                 msginfo_update->msginfo);
5871
5872                 if (node) 
5873                         summary_set_row_marks(summaryview, node);
5874         }
5875
5876         return FALSE;
5877 }
5878
5879 /*!
5880  *\brief        change summaryview to display your answer(s) to a message
5881  *
5882  *\param        summaryview The SummaryView ;)
5883  *\param        msginfo The message for which answers are searched
5884  *
5885  */
5886 static void summary_find_answers (SummaryView *summaryview, MsgInfo *msg)
5887 {
5888         FolderItem *sent_folder = NULL;
5889         PrefsAccount *account = NULL;
5890         GtkCTreeNode *node = NULL;
5891         char *buf = NULL;
5892         if (msg == NULL || msg->msgid == NULL)
5893                 return;
5894         
5895         account = account_get_reply_account(msg, prefs_common.reply_account_autosel);
5896         if (account == NULL) 
5897                 return;
5898         sent_folder = account_get_special_folder
5899                                 (account, F_OUTBOX);
5900         
5901         buf = g_strdup_printf("inreplyto matchcase \"%s\"", msg->msgid);
5902
5903         if (sent_folder != summaryview->folder_item) {
5904                 folderview_select(summaryview->mainwin->folderview, sent_folder);
5905         }
5906         
5907         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(summaryview->toggle_search), TRUE);
5908
5909         quicksearch_set(summaryview->quicksearch, QUICK_SEARCH_EXTENDED, buf);
5910         g_free(buf);
5911
5912         node = gtk_ctree_node_nth(GTK_CTREE(summaryview->ctree), 0);
5913         if (node)
5914                 summary_select_node(summaryview, node, TRUE, TRUE);
5915 }
5916
5917 gint summaryview_export_mbox_list(SummaryView *summaryview)
5918 /* return values: -2 skipped, -1 error, 0 OK */
5919 {
5920         GSList *list = summary_get_selected_msg_list(summaryview);
5921         gchar *mbox = filesel_select_file_save(_("Export to mbox file"), NULL);
5922         gint ret;
5923         
5924         if (mbox == NULL || list == NULL)
5925                 return;
5926                 
5927         ret = export_list_to_mbox(list, mbox);
5928         
5929         g_slist_free(list);
5930         g_free(mbox);
5931         
5932         return ret;
5933 }
5934
5935 void summaryview_lock(SummaryView *summaryview, FolderItem *item)
5936 {
5937         if (!summaryview || !summaryview->folder_item || !item) {
5938                 return;
5939         }
5940
5941         if (summaryview->folder_item->folder == item->folder) {
5942                 gtk_widget_set_sensitive(summaryview->ctree, FALSE);
5943         }
5944 }
5945 void summaryview_unlock(SummaryView *summaryview, FolderItem *item)
5946 {
5947         gtk_widget_set_sensitive(summaryview->ctree, TRUE);
5948 }