src/summaryview.c

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