src/summaryview.c

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