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