src/summaryview.c

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