src/summaryview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkscrolledwindow.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkpixmap.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtktext.h>
  31 #include <gtk/gtkmenu.h>
  32 #include <gtk/gtkmenuitem.h>
  33 #include <gtk/gtkitemfactory.h>
  34 #include <gtk/gtkvbox.h>
  35 #include <gtk/gtkhbox.h>
  36 #include <gtk/gtkwindow.h>
  37 #include <gtk/gtkstyle.h>
  38 #include <gtk/gtkarrow.h>
  39 #include <gtk/gtkeventbox.h>
  40 #include <gtk/gtkstatusbar.h>
  41 #include <gtk/gtkmenuitem.h>
  42
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <ctype.h>
  47 #include <unistd.h>
  48 #include <sys/stat.h>
  49 #include <regex.h>
  50
  51 #include "intl.h"
  52 #include "main.h"
  53 #include "menu.h"
  54 #include "mainwindow.h"
  55 #include "folderview.h"
  56 #include "summaryview.h"
  57 #include "messageview.h"
  58 #include "foldersel.h"
  59 #include "procmsg.h"
  60 #include "procheader.h"
  61 #include "sourcewindow.h"
  62 #include "prefs_common.h"
  63 #include "prefs_summary_column.h"
  64 #include "prefs_filtering.h"
  65 #include "account.h"
  66 #include "compose.h"
  67 #include "utils.h"
  68 #include "gtkutils.h"
  69 #include "stock_pixmap.h"
  70 #include "filesel.h"
  71 #include "alertpanel.h"
  72 #include "inputdialog.h"
  73 #include "statusbar.h"
  74 #include "folder.h"
  75 #include "colorlabel.h"
  76 #include "inc.h"
  77 #include "imap.h"
  78 #include "addressbook.h"
  79 #include "addr_compl.h"
  80 #include "scoring.h"
  81 #include "prefs_folder_item.h"
  82 #include "filtering.h"
  83 #include "string_match.h"
  84 #include "toolbar.h"
  85 #include "news.h"
  86
  87 #define SUMMARY_COL_MARK_WIDTH          10
  88 #define SUMMARY_COL_UNREAD_WIDTH        13
  89 #define SUMMARY_COL_LOCKED_WIDTH        13
  90 #define SUMMARY_COL_MIME_WIDTH          11
  91
  92 static GdkFont *boldfont;
  93 static GdkFont *smallfont;
  94
  95 static GtkStyle *bold_style;
  96 static GtkStyle *bold_marked_style;
  97 static GtkStyle *bold_deleted_style;
  98 static GtkStyle *small_style;
  99 static GtkStyle *small_marked_style;
 100 static GtkStyle *small_deleted_style;
 101
 102 static GdkPixmap *markxpm;
 103 static GdkBitmap *markxpmmask;
 104 static GdkPixmap *deletedxpm;
 105 static GdkBitmap *deletedxpmmask;
 106
 107 static GdkPixmap *newxpm;
 108 static GdkBitmap *newxpmmask;
 109 static GdkPixmap *unreadxpm;
 110 static GdkBitmap *unreadxpmmask;
 111 static GdkPixmap *repliedxpm;
 112 static GdkBitmap *repliedxpmmask;
 113 static GdkPixmap *forwardedxpm;
 114 static GdkBitmap *forwardedxpmmask;
 115 static GdkPixmap *ignorethreadxpm;
 116 static GdkBitmap *ignorethreadxpmmask;
 117 static GdkPixmap *lockedxpm;
 118 static GdkBitmap *lockedxpmmask;
 119
 120 static GdkPixmap *clipxpm;
 121 static GdkBitmap *clipxpmmask;
 122 static GdkPixmap *keyxpm;
 123 static GdkBitmap *keyxpmmask;
 124 static GdkPixmap *clipkeyxpm;
 125 static GdkBitmap *clipkeyxpmmask;
 126
 127 static void summary_free_msginfo_func   (GtkCTree               *ctree,
 128                                          GtkCTreeNode           *node,
 129                                          gpointer                data);
 130 static void summary_set_marks_func      (GtkCTree               *ctree,
 131                                          GtkCTreeNode           *node,
 132                                          gpointer                data);
 133
 134 static void summary_set_menu_sensitive  (SummaryView            *summaryview);
 135
 136 static void summary_set_hide_read_msgs_menu (SummaryView *summaryview,
 137                                              guint action);
 138
 139 static guint summary_get_msgnum         (SummaryView            *summaryview,
 140                                          GtkCTreeNode           *node);
 141
 142 static GtkCTreeNode *summary_find_prev_msg
 143                                         (SummaryView            *summaryview,
 144                                          GtkCTreeNode           *current_node);
 145 static GtkCTreeNode *summary_find_next_msg
 146                                         (SummaryView            *summaryview,
 147                                          GtkCTreeNode           *current_node);
 148
 149 static GtkCTreeNode *summary_find_prev_flagged_msg
 150                                         (SummaryView    *summaryview,
 151                                          GtkCTreeNode   *current_node,
 152                                          MsgPermFlags    flags,
 153                                          gboolean        start_from_prev);
 154 static GtkCTreeNode *summary_find_next_flagged_msg
 155                                         (SummaryView    *summaryview,
 156                                          GtkCTreeNode   *current_node,
 157                                          MsgPermFlags    flags,
 158                                          gboolean        start_from_next);
 159
 160 static GtkCTreeNode *summary_find_msg_by_msgnum
 161                                         (SummaryView            *summaryview,
 162                                          guint                   msgnum);
 163
 164 static void summary_update_status       (SummaryView            *summaryview);
 165
 166 /* display functions */
 167 static void summary_status_show         (SummaryView            *summaryview);
 168 static void summary_set_column_titles   (SummaryView            *summaryview);
 169 static void summary_set_ctree_from_list (SummaryView            *summaryview,
 170                                          GSList                 *mlist);
 171 static void summary_set_header          (SummaryView            *summaryview,
 172                                          gchar                  *text[],
 173                                          MsgInfo                *msginfo);
 174 static void summary_display_msg         (SummaryView            *summaryview,
 175                                          GtkCTreeNode           *row);
 176 static void summary_display_msg_full    (SummaryView            *summaryview,
 177                                          GtkCTreeNode           *row,
 178                                          gboolean                new_window,
 179                                          gboolean                all_headers);
 180 static void summary_set_row_marks       (SummaryView            *summaryview,
 181                                          GtkCTreeNode           *row);
 182
 183 /* message handling */
 184 static void summary_mark_row            (SummaryView            *summaryview,
 185                                          GtkCTreeNode           *row);
 186 static void summary_lock_row            (SummaryView            *summaryview,
 187                                          GtkCTreeNode           *row);
 188 static void summary_mark_row_as_read    (SummaryView            *summaryview,
 189                                          GtkCTreeNode           *row);
 190 static void summary_mark_row_as_unread  (SummaryView            *summaryview,
 191                                          GtkCTreeNode           *row);
 192 static void summary_delete_row          (SummaryView            *summaryview,
 193                                          GtkCTreeNode           *row);
 194 static void summary_unmark_row          (SummaryView            *summaryview,
 195                                          GtkCTreeNode           *row);
 196 static void summary_move_row_to         (SummaryView            *summaryview,
 197                                          GtkCTreeNode           *row,
 198                                          FolderItem             *to_folder);
 199 static void summary_copy_row_to         (SummaryView            *summaryview,
 200                                          GtkCTreeNode           *row,
 201                                          FolderItem             *to_folder);
 202
 203 static void summary_delete_duplicated_func
 204                                         (GtkCTree               *ctree,
 205                                          GtkCTreeNode           *node,
 206                                          SummaryView            *summaryview);
 207
 208 static void summary_execute_move        (SummaryView            *summaryview);
 209 static void summary_execute_move_func   (GtkCTree               *ctree,
 210                                          GtkCTreeNode           *node,
 211                                          gpointer                data);
 212 static void summary_execute_copy        (SummaryView            *summaryview);
 213 static void summary_execute_copy_func   (GtkCTree               *ctree,
 214                                          GtkCTreeNode           *node,
 215                                          gpointer                data);
 216 static void summary_execute_delete      (SummaryView            *summaryview);
 217 static void summary_execute_delete_func (GtkCTree               *ctree,
 218                                          GtkCTreeNode           *node,
 219                                          gpointer                data);
 220
 221 static void summary_thread_init         (SummaryView            *summaryview);
 222 static void summary_ignore_thread       (SummaryView            *summaryview);
 223 static void summary_unignore_thread     (SummaryView            *summaryview);
 224
 225 static void summary_unthread_for_exec           (SummaryView    *summaryview);
 226 static void summary_unthread_for_exec_func      (GtkCTree       *ctree,
 227                                                  GtkCTreeNode   *node,
 228                                                  gpointer        data);
 229
 230 void summary_simplify_subject(SummaryView *summaryview, gchar * rexp,
 231                               GSList * mlist);
 232
 233 #if 0
 234 void summary_processing(SummaryView *summaryview, GSList * mlist);
 235 #endif
 236 static void summary_filter_func         (GtkCTree               *ctree,
 237                                          GtkCTreeNode           *node,
 238                                          gpointer                data);
 239
 240 static void summary_colorlabel_menu_item_activate_cb
 241                                           (GtkWidget    *widget,
 242                                            gpointer      data);
 243 static void summary_colorlabel_menu_item_activate_item_cb
 244                                           (GtkMenuItem  *label_menu_item,
 245                                            gpointer      data);
 246 static void summary_colorlabel_menu_create(SummaryView  *summaryview);
 247
 248 static GtkWidget *summary_ctree_create  (SummaryView    *summaryview);
 249
 250 /* callback functions */
 251 static void summary_toggle_pressed      (GtkWidget              *eventbox,
 252                                          GdkEventButton         *event,
 253                                          SummaryView            *summaryview);
 254 static void summary_button_pressed      (GtkWidget              *ctree,
 255                                          GdkEventButton         *event,
 256                                          SummaryView            *summaryview);
 257 static void summary_button_released     (GtkWidget              *ctree,
 258                                          GdkEventButton         *event,
 259                                          SummaryView            *summaryview);
 260 static void summary_key_pressed         (GtkWidget              *ctree,
 261                                          GdkEventKey            *event,
 262                                          SummaryView            *summaryview);
 263 static void summary_searchbar_pressed   (GtkWidget              *ctree,
 264                                          GdkEventKey            *event,
 265                                          SummaryView            *summaryview);
 266 static void summary_searchtype_changed  (GtkMenuItem            *widget,
 267                                          gpointer                data);
 268 static void summary_open_row            (GtkSCTree              *sctree,
 269                                          SummaryView            *summaryview);
 270 static void summary_tree_expanded       (GtkCTree               *ctree,
 271                                          GtkCTreeNode           *node,
 272                                          SummaryView            *summaryview);
 273 static void summary_tree_collapsed      (GtkCTree               *ctree,
 274                                          GtkCTreeNode           *node,
 275                                          SummaryView            *summaryview);
 276 static void summary_selected            (GtkCTree               *ctree,
 277                                          GtkCTreeNode           *row,
 278                                          gint                    column,
 279                                          SummaryView            *summaryview);
 280 static void summary_col_resized         (GtkCList               *clist,
 281                                          gint                    column,
 282                                          gint                    width,
 283                                          SummaryView            *summaryview);
 284 static void summary_reply_cb            (SummaryView            *summaryview,
 285                                          guint                   action,
 286                                          GtkWidget              *widget);
 287 static void summary_execute_cb          (SummaryView            *summaryview,
 288                                          guint                   action,
 289                                          GtkWidget              *widget);
 290 static void summary_show_all_header_cb  (SummaryView            *summaryview,
 291                                          guint                   action,
 292                                          GtkWidget              *widget);
 293
 294 static void summary_add_address_cb      (SummaryView            *summaryview,
 295                                          guint                   action,
 296                                          GtkWidget              *widget);
 297 static void summary_create_filter_cb    (SummaryView            *summaryview,
 298                                          guint                   action,
 299                                          GtkWidget              *widget);
 300
 301 static void summary_mark_clicked        (GtkWidget              *button,
 302                                          SummaryView            *summaryview);
 303 static void summary_unread_clicked      (GtkWidget              *button,
 304                                          SummaryView            *summaryview);
 305 static void summary_mime_clicked        (GtkWidget              *button,
 306                                          SummaryView            *summaryview);
 307 static void summary_num_clicked         (GtkWidget              *button,
 308                                          SummaryView            *summaryview);
 309 static void summary_score_clicked       (GtkWidget *button,
 310                                          SummaryView *summaryview);
 311 static void summary_size_clicked        (GtkWidget              *button,
 312                                          SummaryView            *summaryview);
 313 static void summary_date_clicked        (GtkWidget              *button,
 314                                          SummaryView            *summaryview);
 315 static void summary_from_clicked        (GtkWidget              *button,
 316                                          SummaryView            *summaryview);
 317 static void summary_subject_clicked     (GtkWidget              *button,
 318                                          SummaryView            *summaryview);
 319 static void summary_score_clicked       (GtkWidget              *button,
 320                                          SummaryView            *summaryview);
 321 static void summary_locked_clicked      (GtkWidget              *button,
 322                                          SummaryView            *summaryview);
 323
 324 static void summary_start_drag          (GtkWidget        *widget,
 325                                          int button,
 326                                          GdkEvent *event,
 327                                          SummaryView      *summaryview);
 328 static void summary_drag_data_get       (GtkWidget        *widget,
 329                                          GdkDragContext   *drag_context,
 330                                          GtkSelectionData *selection_data,
 331                                          guint             info,
 332                                          guint             time,
 333                                          SummaryView      *summaryview);
 334
 335 /* custom compare functions for sorting */
 336
 337 static gint summary_cmp_by_mark         (GtkCList               *clist,
 338                                          gconstpointer           ptr1,
 339                                          gconstpointer           ptr2);
 340 static gint summary_cmp_by_unread       (GtkCList               *clist,
 341                                          gconstpointer           ptr1,
 342                                          gconstpointer           ptr2);
 343 static gint summary_cmp_by_mime         (GtkCList               *clist,
 344                                          gconstpointer           ptr1,
 345                                          gconstpointer           ptr2);
 346 static gint summary_cmp_by_num          (GtkCList               *clist,
 347                                          gconstpointer           ptr1,
 348                                          gconstpointer           ptr2);
 349 static gint summary_cmp_by_size         (GtkCList               *clist,
 350                                          gconstpointer           ptr1,
 351                                          gconstpointer           ptr2);
 352 static gint summary_cmp_by_date         (GtkCList               *clist,
 353                                          gconstpointer           ptr1,
 354                                          gconstpointer           ptr2);
 355 static gint summary_cmp_by_from         (GtkCList               *clist,
 356                                          gconstpointer           ptr1,
 357                                          gconstpointer           ptr2);
 358 static gint summary_cmp_by_to           (GtkCList               *clist,
 359                                          gconstpointer           ptr1,
 360                                          gconstpointer           ptr2);
 361 static gint summary_cmp_by_subject      (GtkCList               *clist,
 362                                          gconstpointer           ptr1,
 363                                          gconstpointer           ptr2);
 364 static gint summary_cmp_by_simplified_subject
 365         (GtkCList *clist, gconstpointer ptr1, gconstpointer ptr2);
 366 static gint summary_cmp_by_score        (GtkCList               *clist,
 367                                          gconstpointer           ptr1,
 368                                          gconstpointer           ptr2);
 369 static gint summary_cmp_by_locked       (GtkCList *clist,
 370                                          gconstpointer ptr1, gconstpointer ptr2);
 371 static gint summary_cmp_by_label        (GtkCList               *clist,
 372                                          gconstpointer           ptr1,
 373                                          gconstpointer           ptr2);
 374
 375 static void news_flag_crosspost         (MsgInfo *msginfo);
 376
 377 static void tog_searchbar_cb            (GtkWidget      *w,
 378                                          gpointer        data);
 379
 380 static void summary_update_msg          (MsgInfo *info, gpointer data);
 381
 382 GtkTargetEntry summary_drag_types[1] =
 383 {
 384         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 385 };
 386
 387 static GtkItemFactoryEntry summary_popup_entries[] =
 388 {
 389         {N_("/_Reply"),                 NULL, summary_reply_cb, COMPOSE_REPLY, NULL},
 390         {N_("/Repl_y to"),              NULL, NULL,             0, "<Branch>"},
 391         {N_("/Repl_y to/_all"),         NULL, summary_reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
 392         {N_("/Repl_y to/_sender"),      NULL, summary_reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
 393         {N_("/Repl_y to/mailing _list"),
 394                                         NULL, summary_reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
 395         {N_("/Follow-up and reply to"), NULL, summary_reply_cb, COMPOSE_FOLLOWUP_AND_REPLY_TO, NULL},
 396         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 397         {N_("/_Forward"),               NULL, summary_reply_cb, COMPOSE_FORWARD, NULL},
 398         {N_("/Redirect"),               NULL, summary_reply_cb, COMPOSE_REDIRECT, NULL},
 399         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 400         {N_("/Re-_edit"),               NULL, summary_reedit,   0, NULL},
 401         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 402         {N_("/M_ove..."),               NULL, summary_move_to,  0, NULL},
 403         {N_("/_Copy..."),               NULL, summary_copy_to,  0, NULL},
 404         {N_("/_Delete"),                NULL, summary_delete,   0, NULL},
 405         {N_("/Cancel a news message"),  NULL, summary_cancel,   0, NULL},
 406         {N_("/E_xecute"),               NULL, summary_execute_cb,       0, NULL},
 407         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 408         {N_("/_Mark"),                  NULL, NULL,             0, "<Branch>"},
 409         {N_("/_Mark/_Mark"),            NULL, summary_mark,     0, NULL},
 410         {N_("/_Mark/_Unmark"),          NULL, summary_unmark,   0, NULL},
 411         {N_("/_Mark/---"),              NULL, NULL,             0, "<Separator>"},
 412         {N_("/_Mark/Mark as unr_ead"),  NULL, summary_mark_as_unread, 0, NULL},
 413         {N_("/_Mark/Mark as rea_d"),    NULL, summary_mark_as_read, 0, NULL},
 414         {N_("/_Mark/Mark all read"),    NULL, summary_mark_all_read, 0, NULL},
 415         {N_("/_Mark/Ignore thread"),    NULL, summary_ignore_thread, 0, NULL},
 416         {N_("/_Mark/Unignore thread"),  NULL, summary_unignore_thread, 0, NULL},
 417         {N_("/Color la_bel"),           NULL, NULL,             0, NULL},
 418
 419         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 420         {N_("/Add sender to address boo_k"),
 421                                         NULL, summary_add_address_cb, 0, NULL},
 422         {N_("/Create f_ilter rule"),    NULL, NULL,             0, "<Branch>"},
 423         {N_("/Create f_ilter rule/_Automatically"),
 424                                         NULL, summary_create_filter_cb, FILTER_BY_AUTO, NULL},
 425         {N_("/Create f_ilter rule/by _From"),
 426                                         NULL, summary_create_filter_cb, FILTER_BY_FROM, NULL},
 427         {N_("/Create f_ilter rule/by _To"),
 428                                         NULL, summary_create_filter_cb, FILTER_BY_TO, NULL},
 429         {N_("/Create f_ilter rule/by _Subject"),
 430                                         NULL, summary_create_filter_cb, FILTER_BY_SUBJECT, NULL},
 431         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 432         {N_("/_View"),                  NULL, NULL,             0, "<Branch>"},
 433         {N_("/_View/Open in new _window"),
 434                                         NULL, summary_open_msg, 0, NULL},
 435         {N_("/_View/_Source"),          NULL, summary_view_source, 0, NULL},
 436         {N_("/_View/All _header"),      NULL, summary_show_all_header_cb, 0, "<ToggleItem>"},
 437         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 438         {N_("/_Save as..."),            NULL, summary_save_as,  0, NULL},
 439         {N_("/_Print..."),              NULL, summary_print,    0, NULL},
 440         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 441         {N_("/Select _all"),            NULL, summary_select_all, 0, NULL},
 442         {N_("/Select t_hread"),         NULL, summary_select_thread, 0, NULL}
 443 };
 444
 445 static const gchar *const col_label[N_SUMMARY_COLS] = {
 446         N_("M"),        /* S_COL_MARK    */
 447         N_("U"),        /* S_COL_UNREAD  */
 448         "",             /* S_COL_MIME    */
 449         N_("Subject"),  /* S_COL_SUBJECT */
 450         N_("From"),     /* S_COL_FROM    */
 451         N_("Date"),     /* S_COL_DATE    */
 452         N_("Size"),     /* S_COL_SIZE    */
 453         N_("No."),      /* S_COL_NUMBER  */
 454         N_("Score"),    /* S_COL_SCORE   */
 455         N_("L")         /* S_COL_LOCKED  */
 456 };
 457
 458 SummaryView *summary_create(void)
 459 {
 460         SummaryView *summaryview;
 461         GtkWidget *vbox;
 462         GtkWidget *scrolledwin;
 463         GtkWidget *ctree;
 464         GtkWidget *hbox;
 465         GtkWidget *hbox_l;
 466         GtkWidget *hbox_search;
 467         GtkWidget *statlabel_folder;
 468         GtkWidget *statlabel_select;
 469         GtkWidget *statlabel_msgs;
 470         GtkWidget *hbox_spc;
 471         GtkWidget *toggle_eventbox;
 472         GtkWidget *toggle_arrow;
 473         GtkWidget *popupmenu;
 474         GtkWidget *search_type_opt;
 475         GtkWidget *search_type;
 476         GtkWidget *search_string;
 477         GtkWidget *menuitem;
 478         GtkWidget *toggle_search;
 479         GtkTooltips *search_tip;
 480         GtkItemFactory *popupfactory;
 481         gint n_entries;
 482
 483         debug_print("Creating summary view...\n");
 484         summaryview = g_new0(SummaryView, 1);
 485
 486         vbox = gtk_vbox_new(FALSE, 3);
 487
 488         /* create status label */
 489         hbox = gtk_hbox_new(FALSE, 0);
 490
 491         search_tip = gtk_tooltips_new();
 492         toggle_search = gtk_toggle_button_new();
 493
 494         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_tip),
 495                              toggle_search,
 496                              _("Toggle quick-search bar"), NULL);
 497
 498         gtk_box_pack_start(GTK_BOX(hbox), toggle_search, FALSE, FALSE, 2);
 499
 500         hbox_l = gtk_hbox_new(FALSE, 0);
 501         gtk_box_pack_start(GTK_BOX(hbox), hbox_l, TRUE, TRUE, 0);
 502
 503         statlabel_folder = gtk_label_new("");
 504         gtk_box_pack_start(GTK_BOX(hbox_l), statlabel_folder, FALSE, FALSE, 2);
 505         statlabel_select = gtk_label_new("");
 506         gtk_box_pack_start(GTK_BOX(hbox_l), statlabel_select, FALSE, FALSE, 12);
 507
 508         /* toggle view button */
 509         toggle_eventbox = gtk_event_box_new();
 510         gtk_box_pack_end(GTK_BOX(hbox), toggle_eventbox, FALSE, FALSE, 4);
 511         toggle_arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 512         gtk_container_add(GTK_CONTAINER(toggle_eventbox), toggle_arrow);
 513         gtk_signal_connect(GTK_OBJECT(toggle_eventbox), "button_press_event",
 514                            GTK_SIGNAL_FUNC(summary_toggle_pressed),
 515                            summaryview);
 516
 517
 518         statlabel_msgs = gtk_label_new("");
 519         gtk_box_pack_end(GTK_BOX(hbox), statlabel_msgs, FALSE, FALSE, 4);
 520
 521         hbox_spc = gtk_hbox_new(FALSE, 0);
 522         gtk_box_pack_end(GTK_BOX(hbox), hbox_spc, FALSE, FALSE, 6);
 523
 524         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 525         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 526                                        GTK_POLICY_AUTOMATIC,
 527                                        GTK_POLICY_ALWAYS);
 528         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 529         gtk_widget_set_usize(vbox,
 530                              prefs_common.summaryview_width,
 531                              prefs_common.summaryview_height);
 532
 533         ctree = summary_ctree_create(summaryview);
 534
 535         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 536                                             GTK_CLIST(ctree)->hadjustment);
 537         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 538                                             GTK_CLIST(ctree)->vadjustment);
 539         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 540
 541         /* status label */
 542         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 543
 544         /* quick search */
 545         hbox_search = gtk_hbox_new(FALSE, 0);
 546         gtk_box_pack_start(GTK_BOX(vbox), hbox_search, FALSE, FALSE, 0);
 547
 548         search_type_opt = gtk_option_menu_new();
 549         gtk_widget_show(search_type_opt);
 550         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 551
 552         search_type = gtk_menu_new();
 553         MENUITEM_ADD (search_type, menuitem, _("Subject"), S_SEARCH_SUBJECT);
 554         gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
 555                            GTK_SIGNAL_FUNC(summary_searchtype_changed),
 556                            summaryview);
 557         MENUITEM_ADD (search_type, menuitem, _("From"), S_SEARCH_FROM);
 558         gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
 559                            GTK_SIGNAL_FUNC(summary_searchtype_changed),
 560                            summaryview);
 561         MENUITEM_ADD (search_type, menuitem, _("To"), S_SEARCH_TO);
 562         gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
 563                            GTK_SIGNAL_FUNC(summary_searchtype_changed),
 564                            summaryview);
 565
 566         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 567         gtk_widget_show(search_type);
 568
 569         search_string = gtk_entry_new();
 570
 571         gtk_box_pack_start(GTK_BOX(hbox_search), search_string, FALSE, FALSE, 2);
 572
 573         gtk_widget_show(search_string);
 574         gtk_widget_show(hbox_search);
 575
 576         gtk_signal_connect(GTK_OBJECT(search_string), "key_press_event",
 577                            GTK_SIGNAL_FUNC(summary_searchbar_pressed),
 578                            summaryview);
 579
 580         gtk_signal_connect (GTK_OBJECT(toggle_search), "toggled",
 581                         GTK_SIGNAL_FUNC(tog_searchbar_cb), hbox_search);
 582
 583         /* create popup menu */
 584         n_entries = sizeof(summary_popup_entries) /
 585                 sizeof(summary_popup_entries[0]);
 586         popupmenu = menu_create_items(summary_popup_entries, n_entries,
 587                                       "<SummaryView>", &popupfactory,
 588                                       summaryview);
 589
 590         summaryview->vbox = vbox;
 591         summaryview->scrolledwin = scrolledwin;
 592         summaryview->ctree = ctree;
 593         summaryview->hbox = hbox;
 594         summaryview->hbox_l = hbox_l;
 595         summaryview->hbox_search = hbox_search;
 596         summaryview->statlabel_folder = statlabel_folder;
 597         summaryview->statlabel_select = statlabel_select;
 598         summaryview->statlabel_msgs = statlabel_msgs;
 599         summaryview->toggle_eventbox = toggle_eventbox;
 600         summaryview->toggle_arrow = toggle_arrow;
 601         summaryview->toggle_search = toggle_search;
 602         summaryview->popupmenu = popupmenu;
 603         summaryview->popupfactory = popupfactory;
 604         summaryview->lock_count = 0;
 605         summaryview->search_type_opt = search_type_opt;
 606         summaryview->search_type = search_type;
 607         summaryview->search_string = search_string;
 608         summaryview->msginfo_update_callback_id =
 609                 msginfo_update_callback_register(summary_update_msg, (gpointer) summaryview);
 610
 611         /* CLAWS: need this to get the SummaryView * from
 612          * the CList */
 613         gtk_object_set_data(GTK_OBJECT(ctree), "summaryview", (gpointer)summaryview);
 614
 615         gtk_widget_show_all(vbox);
 616
 617         return summaryview;
 618 }
 619
 620 void summary_init(SummaryView *summaryview)
 621 {
 622         GtkStyle *style;
 623         GtkWidget *pixmap;
 624
 625         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_MARK,
 626                          &markxpm, &markxpmmask);
 627         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_DELETED,
 628                          &deletedxpm, &deletedxpmmask);
 629         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_NEW,
 630                          &newxpm, &newxpmmask);
 631         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_UNREAD,
 632                          &unreadxpm, &unreadxpmmask);
 633         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_REPLIED,
 634                          &repliedxpm, &repliedxpmmask);
 635         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_FORWARDED,
 636                          &forwardedxpm, &forwardedxpmmask);
 637         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP,
 638                          &clipxpm, &clipxpmmask);
 639         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_LOCKED,
 640                          &lockedxpm, &lockedxpmmask);
 641         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_IGNORETHREAD,
 642                          &ignorethreadxpm, &ignorethreadxpmmask);
 643         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP_KEY,
 644                          &clipkeyxpm, &clipkeyxpmmask);
 645         stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_KEY,
 646                          &keyxpm, &keyxpmmask);
 647
 648         if (!small_style) {
 649                 small_style = gtk_style_copy
 650                         (gtk_widget_get_style(summaryview->ctree));
 651                 if (!smallfont)
 652                         smallfont = gtkut_font_load(SMALL_FONT);
 653                 small_style->font = smallfont;
 654                 small_marked_style = gtk_style_copy(small_style);
 655                 small_marked_style->fg[GTK_STATE_NORMAL] =
 656                         summaryview->color_marked;
 657                 small_deleted_style = gtk_style_copy(small_style);
 658                 small_deleted_style->fg[GTK_STATE_NORMAL] =
 659                         summaryview->color_dim;
 660         }
 661         if (!bold_style) {
 662                 bold_style = gtk_style_copy
 663                         (gtk_widget_get_style(summaryview->ctree));
 664                 if (!boldfont)
 665                         boldfont = gtkut_font_load(BOLD_FONT);
 666                 bold_style->font = boldfont;
 667                 bold_marked_style = gtk_style_copy(bold_style);
 668                 bold_marked_style->fg[GTK_STATE_NORMAL] =
 669                         summaryview->color_marked;
 670                 bold_deleted_style = gtk_style_copy(bold_style);
 671                 bold_deleted_style->fg[GTK_STATE_NORMAL] =
 672                         summaryview->color_dim;
 673         }
 674
 675         style = gtk_style_copy(gtk_widget_get_style
 676                                 (summaryview->statlabel_folder));
 677
 678         gtk_widget_set_style(summaryview->statlabel_folder, style);
 679         gtk_widget_set_style(summaryview->statlabel_select, style);
 680         gtk_widget_set_style(summaryview->statlabel_msgs, style);
 681
 682         pixmap = stock_pixmap_widget(summaryview->hbox_l, STOCK_PIXMAP_DIR_OPEN);
 683         gtk_box_pack_start(GTK_BOX(summaryview->hbox_l), pixmap, FALSE, FALSE, 4);
 684         gtk_box_reorder_child(GTK_BOX(summaryview->hbox_l), pixmap, 0);
 685         gtk_widget_show(pixmap);
 686         summaryview->folder_pixmap = pixmap;
 687
 688         pixmap = stock_pixmap_widget(summaryview->hbox, STOCK_PIXMAP_QUICKSEARCH);
 689         gtk_container_add (GTK_CONTAINER(summaryview->toggle_search), pixmap);
 690         gtk_widget_show(pixmap);
 691         summaryview->quick_search_pixmap = pixmap;
 692
 693         /* Init summaryview prefs */
 694         summaryview->sort_key = SORT_BY_NONE;
 695         summaryview->sort_type = SORT_ASCENDING;
 696
 697         /* Init summaryview extra data */
 698         summaryview->simplify_subject_preg = NULL;
 699
 700         summary_clear_list(summaryview);
 701         summary_set_column_titles(summaryview);
 702         summary_colorlabel_menu_create(summaryview);
 703         summary_set_menu_sensitive(summaryview);
 704
 705 }
 706
 707 GtkCTreeNode * summary_find_next_important_score(SummaryView *summaryview,
 708                                                  GtkCTreeNode *current_node)
 709 {
 710         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 711         GtkCTreeNode *node;
 712         MsgInfo *msginfo;
 713         gint best_score = MIN_SCORE;
 714         GtkCTreeNode *best_node = NULL;
 715
 716         if (current_node)
 717                 /*node = current_node;*/
 718                 node = GTK_CTREE_NODE_NEXT(current_node);
 719         else
 720                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 721
 722         for (; node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 723                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
 724                 if (msginfo->score >= summaryview->important_score)
 725                         break;
 726                 if (msginfo->score > best_score) {
 727                         best_score = msginfo->score;
 728                         best_node = node;
 729                 }
 730         }
 731
 732         if (node != NULL)
 733                 return node;
 734         else
 735                 return best_node;
 736 }
 737
 738 GtkCTreeNode * summary_find_prev_important_score(SummaryView *summaryview,
 739                                                  GtkCTreeNode *current_node)
 740 {
 741         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 742         GtkCTreeNode *node;
 743         MsgInfo *msginfo;
 744         gint best_score = MIN_SCORE;
 745         GtkCTreeNode *best_node = NULL;
 746
 747         if (current_node)
 748                 /*node = current_node;*/
 749                 node = GTK_CTREE_NODE_PREV(current_node);
 750         else
 751                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 752
 753         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
 754                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
 755                 if (msginfo->score >= summaryview->important_score)
 756                         break;
 757                 if (msginfo->score > best_score) {
 758                         best_score = msginfo->score;
 759                         best_node = node;
 760                 }
 761         }
 762
 763         if (node != NULL)
 764                 return node;
 765         else
 766                 return best_node;
 767 }
 768
 769 #define CURRENTLY_DISPLAYED(m) \
 770 ( (m->msgnum == displayed_msgnum) \
 771   && (!g_strcasecmp(m->folder->name,item->name)) )
 772
 773 gboolean summary_show(SummaryView *summaryview, FolderItem *item)
 774 {
 775         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 776         GtkCTreeNode *node;
 777         GSList *mlist = NULL;
 778         gchar *buf;
 779         gboolean is_refresh;
 780         guint selected_msgnum = 0;
 781         guint displayed_msgnum = 0;
 782         GSList *cur;
 783
 784         if (summary_is_locked(summaryview)) return FALSE;
 785
 786         inc_lock();
 787         summary_lock(summaryview);
 788
 789         if (item != summaryview->folder_item) {
 790                 /* changing folder, reset search */
 791                 gtk_entry_set_text(GTK_ENTRY(summaryview->search_string), "");
 792         }
 793
 794         /* STATUSBAR_POP(summaryview->mainwin); */
 795
 796         is_refresh = (item == summaryview->folder_item) ? TRUE : FALSE;
 797         if (is_refresh) {
 798                 selected_msgnum = summary_get_msgnum(summaryview,
 799                                                      summaryview->selected);
 800                 displayed_msgnum = summary_get_msgnum(summaryview,
 801                                                       summaryview->displayed);
 802         }
 803
 804         /* process the marks if any */
 805         if (summaryview->mainwin->lock_count == 0 &&
 806             (summaryview->moved > 0 || summaryview->copied > 0)) {
 807                 AlertValue val;
 808
 809                 val = alertpanel(_("Process mark"),
 810                                  _("Some marks are left. Process it?"),
 811                                  _("Yes"), _("No"), _("Cancel"));
 812                 if (G_ALERTDEFAULT == val) {
 813                         summary_unlock(summaryview);
 814                         summary_execute(summaryview);
 815                         summary_lock(summaryview);
 816                 } else if (G_ALERTALTERNATE == val) {
 817                         /* DO NOTHING */
 818                 } else {
 819                         summary_unlock(summaryview);
 820                         inc_unlock();
 821                         return FALSE;
 822                 }
 823                 folder_update_op_count();
 824         }
 825
 826         gtk_clist_freeze(GTK_CLIST(ctree));
 827
 828         summary_clear_list(summaryview);
 829         summary_set_column_titles(summaryview);
 830         if (!is_refresh)
 831                 messageview_clear(summaryview->messageview);
 832
 833         buf = NULL;
 834         if (!item || !item->path || !item->parent || item->no_select ||
 835             (item->folder->type == F_MH &&
 836              ((buf = folder_item_get_path(item)) == NULL ||
 837               change_dir(buf) < 0))) {
 838                 g_free(buf);
 839                 debug_print("empty folder\n\n");
 840                 summary_set_hide_read_msgs_menu(summaryview, FALSE);
 841                 if (is_refresh)
 842                         messageview_clear(summaryview->messageview);
 843                 summary_clear_all(summaryview);
 844                 summaryview->folder_item = item;
 845                 gtk_clist_thaw(GTK_CLIST(ctree));
 846                 summary_unlock(summaryview);
 847                 inc_unlock();
 848                 return TRUE;
 849         }
 850         g_free(buf);
 851
 852         summaryview->folder_item = item;
 853         item->opened = TRUE;
 854
 855         gtk_signal_handler_block_by_data(GTK_OBJECT(ctree), summaryview);
 856
 857         buf = g_strdup_printf(_("Scanning folder (%s)..."), item->path);
 858         debug_print("%s\n", buf);
 859         STATUSBAR_PUSH(summaryview->mainwin, buf);
 860         g_free(buf);
 861
 862         main_window_cursor_wait(summaryview->mainwin);
 863
 864 /*
 865         mlist = item->folder->get_msg_list(item->folder, item, !update_cache);
 866
 867         !!! NEW !!!
 868         USE LIST FROM CACHE, WILL NOT DISPLAY ANY MESSAGES DROPED
 869         BY OTHER PROGRAMS TO THE FOLDER
 870 */
 871         mlist = folder_item_get_msg_list(item);
 872 #if 0
 873         summary_processing(summaryview, mlist);
 874 #endif
 875         for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 876                 MsgInfo * msginfo = (MsgInfo *) cur->data;
 877
 878                 msginfo->score = score_message(global_scoring, msginfo);
 879                 if (msginfo->score != MAX_SCORE &&
 880                     msginfo->score != MIN_SCORE) {
 881                         msginfo->score += score_message(item->prefs->scoring,
 882                                                         msginfo);
 883                 }
 884         }
 885
 886         if (summaryview->folder_item->hide_read_msgs) {
 887                 GSList *not_killed;
 888
 889                 summary_set_hide_read_msgs_menu(summaryview, TRUE);
 890                 not_killed = NULL;
 891                 for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 892                         MsgInfo * msginfo = (MsgInfo *) cur->data;
 893
 894                         if ((MSG_IS_UNREAD(msginfo->flags)
 895                              || MSG_IS_MARKED(msginfo->flags)
 896                              || MSG_IS_LOCKED(msginfo->flags)
 897                              || CURRENTLY_DISPLAYED(msginfo))
 898                              && !MSG_IS_IGNORE_THREAD(msginfo->flags))
 899                             not_killed = g_slist_append(not_killed, msginfo);
 900                         else
 901                                 procmsg_msginfo_free(msginfo);
 902                 }
 903                 g_slist_free(mlist);
 904                 mlist = not_killed;
 905         } else {
 906                 summary_set_hide_read_msgs_menu(summaryview, FALSE);
 907         }
 908
 909         if (strlen(gtk_entry_get_text(GTK_ENTRY(summaryview->search_string))) > 0) {
 910                 GSList *not_killed;
 911                 gint search_type = GPOINTER_TO_INT(gtk_object_get_user_data(
 912                                    GTK_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 913                                    GTK_MENU(summaryview->search_type))))));
 914                 gchar *search_string = gtk_entry_get_text(GTK_ENTRY(summaryview->search_string));
 915                 gchar *searched_header = NULL;
 916
 917                 not_killed = NULL;
 918                 for (cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 919                         MsgInfo * msginfo = (MsgInfo *) cur->data;
 920
 921                         switch (search_type) {
 922                         case S_SEARCH_SUBJECT:
 923                                 searched_header = msginfo->subject;
 924                                 break;
 925                         case S_SEARCH_FROM:
 926                                 searched_header = msginfo->from;
 927                                 break;
 928                         case S_SEARCH_TO:
 929                                 searched_header = msginfo->to;
 930                                 break;
 931                         default:
 932                                 debug_print("unknown search type (%d)\n", search_type);
 933                                 break;
 934                         }
 935                         if (searched_header && strcasestr(searched_header, search_string) != NULL)
 936                                 not_killed = g_slist_append(not_killed, msginfo);
 937                         else
 938                                 procmsg_msginfo_free(msginfo);
 939                 }
 940                 g_slist_free(mlist);
 941                 mlist = not_killed;
 942         }
 943
 944         if ((global_scoring || item->prefs->scoring)) {
 945                 GSList *not_killed;
 946                 gint kill_score;
 947
 948                 not_killed = NULL;
 949                 kill_score = prefs_common.kill_score;
 950                 if (item->prefs->kill_score > kill_score)
 951                         kill_score = item->prefs->kill_score;
 952                 for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 953                         MsgInfo * msginfo = (MsgInfo *) cur->data;
 954
 955                         if (msginfo->score > kill_score)
 956                                 not_killed = g_slist_append(not_killed, msginfo);
 957                         else
 958                                 procmsg_msginfo_free(msginfo);
 959                 }
 960                 g_slist_free(mlist);
 961                 mlist = not_killed;
 962         }
 963
 964         STATUSBAR_POP(summaryview->mainwin);
 965
 966         /* set ctree and hash table from the msginfo list
 967            creating thread, and count the number of messages */
 968         summary_set_ctree_from_list(summaryview, mlist);
 969
 970         g_slist_free(mlist);
 971
 972         if (summaryview->sort_key != SORT_BY_NONE)
 973                 summary_sort(summaryview, summaryview->sort_key, summaryview->sort_type);
 974
 975         gtk_signal_handler_unblock_by_data(GTK_OBJECT(ctree), summaryview);
 976
 977         gtk_clist_thaw(GTK_CLIST(ctree));
 978
 979         if (is_refresh) {
 980                 summaryview->displayed =
 981                         summary_find_msg_by_msgnum(summaryview,
 982                                                    displayed_msgnum);
 983                 if (!summaryview->displayed)
 984                         messageview_clear(summaryview->messageview);
 985                 summary_select_by_msgnum(summaryview, selected_msgnum);
 986                 if (!summaryview->selected) {
 987                         /* no selected message - select first unread
 988                            message, but do not display it */
 989                         node = summary_find_next_flagged_msg(summaryview, NULL,
 990                                                              MSG_UNREAD, FALSE);
 991                         if (node == NULL && GTK_CLIST(ctree)->row_list != NULL)
 992                                 node = gtk_ctree_node_nth
 993                                         (ctree,
 994                                          item->sort_type == SORT_DESCENDING
 995                                          ? 0 : GTK_CLIST(ctree)->rows - 1);
 996                         summary_select_node(summaryview, node, FALSE, TRUE);
 997                 }
 998         } else {
 999                 /* select first unread message */
1000                 if (summaryview->sort_key == SORT_BY_SCORE)
1001                         node = summary_find_next_important_score(summaryview,
1002                                                                  NULL);
1003                 else
1004                 node = summary_find_next_flagged_msg(summaryview, NULL,
1005                                                      MSG_UNREAD, FALSE);
1006                 if (node == NULL && GTK_CLIST(ctree)->row_list != NULL) {
1007                         node = gtk_ctree_node_nth
1008                                 (ctree,
1009                                  item->sort_type == SORT_DESCENDING
1010                                  ? 0 : GTK_CLIST(ctree)->rows - 1);
1011                 }
1012                 if (prefs_common.open_unread_on_enter) {
1013                         summary_unlock(summaryview);
1014                         summary_select_node(summaryview, node, TRUE, TRUE);
1015                         summary_lock(summaryview);
1016                 } else
1017                         summary_select_node(summaryview, node, FALSE, TRUE);
1018         }
1019
1020         summary_status_show(summaryview);
1021         summary_set_menu_sensitive(summaryview);
1022         toolbar_set_sensitive(summaryview->mainwin);
1023
1024         debug_print("\n");
1025         STATUSBAR_PUSH(summaryview->mainwin, _("Done."));
1026         STATUSBAR_POP(summaryview->mainwin);
1027         main_window_cursor_normal(summaryview->mainwin);
1028         summary_unlock(summaryview);
1029         inc_unlock();
1030
1031         return TRUE;
1032 }
1033
1034 #undef CURRENTLY_DISPLAYED
1035
1036 void summary_clear_list(SummaryView *summaryview)
1037 {
1038         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1039         gint optimal_width;
1040
1041         gtk_clist_freeze(clist);
1042
1043         gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree),
1044                                 NULL, summary_free_msginfo_func, NULL);
1045
1046         if (summaryview->folder_item) {
1047                 summaryview->folder_item->opened = FALSE;
1048                 summaryview->folder_item = NULL;
1049         }
1050
1051         summaryview->display_msg = FALSE;
1052
1053         summaryview->selected  = NULL;
1054         summaryview->displayed = NULL;
1055         summaryview->newmsgs   = summaryview->unread     = 0;
1056         summaryview->messages  = summaryview->total_size = 0;
1057         summaryview->deleted   = summaryview->moved      = 0;
1058         summaryview->copied    = 0;
1059         if (summaryview->msgid_table) {
1060                 g_hash_table_destroy(summaryview->msgid_table);
1061                 summaryview->msgid_table = NULL;
1062         }
1063         if (summaryview->subject_table) {
1064                 g_hash_table_destroy(summaryview->subject_table);
1065                 summaryview->subject_table = NULL;
1066         }
1067         summaryview->mlist = NULL;
1068
1069         gtk_clist_clear(clist);
1070         if (summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
1071                 optimal_width = gtk_clist_optimal_column_width
1072                         (clist, summaryview->col_pos[S_COL_SUBJECT]);
1073                 gtk_clist_set_column_width
1074                         (clist, summaryview->col_pos[S_COL_SUBJECT],
1075                          optimal_width);
1076         }
1077
1078         gtk_clist_thaw(clist);
1079 }
1080
1081 void summary_clear_all(SummaryView *summaryview)
1082 {
1083         summary_clear_list(summaryview);
1084         summary_set_menu_sensitive(summaryview);
1085         toolbar_set_sensitive(summaryview->mainwin);
1086         summary_status_show(summaryview);
1087 }
1088
1089 void summary_lock(SummaryView *summaryview)
1090 {
1091         summaryview->lock_count++;
1092 }
1093
1094 void summary_unlock(SummaryView *summaryview)
1095 {
1096         if (summaryview->lock_count)
1097                 summaryview->lock_count--;
1098 }
1099
1100 gboolean summary_is_locked(SummaryView *summaryview)
1101 {
1102         return summaryview->lock_count > 0;
1103 }
1104
1105 SummarySelection summary_get_selection_type(SummaryView *summaryview)
1106 {
1107         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1108         SummarySelection selection;
1109
1110         if (!clist->row_list)
1111                 selection = SUMMARY_NONE;
1112         else if (!clist->selection)
1113                 selection = SUMMARY_SELECTED_NONE;
1114         else if (!clist->selection->next)
1115                 selection = SUMMARY_SELECTED_SINGLE;
1116         else
1117                 selection = SUMMARY_SELECTED_MULTIPLE;
1118
1119         return selection;
1120 }
1121
1122 static void summary_set_menu_sensitive(SummaryView *summaryview)
1123 {
1124         GtkItemFactory *ifactory = summaryview->popupfactory;
1125         SummarySelection selection;
1126         GtkWidget *menuitem;
1127         gboolean sens;
1128
1129         selection = summary_get_selection_type(summaryview);
1130         main_window_set_menu_sensitive(summaryview->mainwin);
1131
1132         if (selection == SUMMARY_NONE) {
1133                 GtkWidget *submenu;
1134
1135                 submenu = gtk_item_factory_get_widget
1136                         (summaryview->popupfactory, "/Mark");
1137                 menu_set_insensitive_all(GTK_MENU_SHELL(submenu));
1138                 menu_set_insensitive_all
1139                         (GTK_MENU_SHELL(summaryview->popupmenu));
1140                 return;
1141         }
1142
1143         if (summaryview->folder_item->folder->type != F_NEWS)
1144                 menu_set_sensitive(ifactory, "/Move...", TRUE);
1145         else
1146                 menu_set_sensitive(ifactory, "/Move...", FALSE);
1147
1148 #if 0
1149         menu_set_sensitive(ifactory, "/Delete", TRUE);
1150 #endif
1151         menu_set_sensitive(ifactory, "/Copy...", TRUE);
1152         menu_set_sensitive(ifactory, "/Execute", TRUE);
1153
1154         menu_set_sensitive(ifactory, "/Mark", TRUE);
1155         menu_set_sensitive(ifactory, "/Mark/Mark",   TRUE);
1156         menu_set_sensitive(ifactory, "/Mark/Unmark", TRUE);
1157
1158         menu_set_sensitive(ifactory, "/Mark/Mark as unread", TRUE);
1159         menu_set_sensitive(ifactory, "/Mark/Mark as read",   TRUE);
1160         menu_set_sensitive(ifactory, "/Mark/Mark all read", TRUE);
1161         menu_set_sensitive(ifactory, "/Mark/Ignore thread",   TRUE);
1162         menu_set_sensitive(ifactory, "/Mark/Unignore thread", TRUE);
1163
1164         menu_set_sensitive(ifactory, "/Color label", TRUE);
1165
1166         sens = (selection == SUMMARY_SELECTED_MULTIPLE) ? FALSE : TRUE;
1167         menu_set_sensitive(ifactory, "/Reply",                    sens);
1168         menu_set_sensitive(ifactory, "/Reply to",                 sens);
1169         menu_set_sensitive(ifactory, "/Reply to/all",             sens);
1170         menu_set_sensitive(ifactory, "/Reply to/sender",          sens);
1171         menu_set_sensitive(ifactory, "/Reply to/mailing list",    sens);
1172         menu_set_sensitive(ifactory, "/Forward",                  TRUE);
1173         menu_set_sensitive(ifactory, "/Redirect",                 sens);
1174
1175         menu_set_sensitive(ifactory, "/Add sender to address book", sens);
1176         menu_set_sensitive(ifactory, "/Create filter rule",         sens);
1177
1178         menu_set_sensitive(ifactory, "/View", sens);
1179         menu_set_sensitive(ifactory, "/View/Open in new window", sens);
1180         menu_set_sensitive(ifactory, "/View/Source", sens);
1181         menu_set_sensitive(ifactory, "/View/All header", sens);
1182         if (summaryview->folder_item->stype == F_OUTBOX ||
1183             summaryview->folder_item->stype == F_DRAFT  ||
1184             summaryview->folder_item->stype == F_QUEUE)
1185                 menu_set_sensitive(ifactory, "/Re-edit", sens);
1186         else
1187                 menu_set_sensitive(ifactory, "/Re-edit", FALSE);
1188
1189         menu_set_sensitive(ifactory, "/Save as...", TRUE);
1190         menu_set_sensitive(ifactory, "/Print...",   TRUE);
1191
1192         menu_set_sensitive(ifactory, "/Select all", TRUE);
1193         menu_set_sensitive(ifactory, "/Select thread", sens);
1194         if (summaryview->folder_item->folder->account)
1195                 sens = summaryview->folder_item->folder->account->protocol
1196                         == A_NNTP;
1197         else
1198                 sens = FALSE;
1199         menu_set_sensitive(ifactory, "/Follow-up and reply to", sens);
1200         menu_set_sensitive(ifactory, "/Cancel a news message", sens);
1201         menu_set_sensitive(ifactory, "/Delete", !sens);
1202
1203         summary_lock(summaryview);
1204         menuitem = gtk_item_factory_get_widget(ifactory, "/View/All header");
1205         gtk_check_menu_item_set_active
1206                 (GTK_CHECK_MENU_ITEM(menuitem),
1207                  summaryview->messageview->textview->show_all_headers);
1208         summary_unlock(summaryview);
1209 }
1210
1211 void summary_select_prev_unread(SummaryView *summaryview)
1212 {
1213         GtkCTreeNode *node;
1214
1215         node = summary_find_prev_flagged_msg
1216                 (summaryview, summaryview->selected, MSG_UNREAD, FALSE);
1217
1218         if (!node) {
1219                 AlertValue val = 0;
1220
1221                 switch (prefs_common.next_unread_msg_dialog) {
1222                         case NEXTUNREADMSGDIALOG_ALWAYS:
1223                                 val = alertpanel(_("No more unread messages"),
1224                                                  _("No unread message found. "
1225                                                    "Search from the end?"),
1226                                                  _("Yes"), _("No"), NULL);
1227                                 break;
1228                         case NEXTUNREADMSGDIALOG_ASSUME_YES:
1229                                 val = G_ALERTDEFAULT;
1230                                 break;
1231                         case NEXTUNREADMSGDIALOG_ASSUME_NO:
1232                                 val = !G_ALERTDEFAULT;
1233                                 break;
1234                         default:
1235                                 debug_print(
1236                                         _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1237                 }
1238                 if (val != G_ALERTDEFAULT) return;
1239                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1240                                                      MSG_UNREAD, FALSE);
1241         }
1242
1243         if (!node)
1244                 alertpanel_notice(_("No unread messages."));
1245         else
1246                 summary_select_node(summaryview, node, TRUE, FALSE);
1247 }
1248
1249 void summary_select_next_unread(SummaryView *summaryview)
1250 {
1251         GtkCTreeNode *node = summaryview->selected;
1252         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1253
1254         node = summary_find_next_flagged_msg
1255                 (summaryview, node, MSG_UNREAD, FALSE);
1256
1257         if (node)
1258                 summary_select_node(summaryview, node, TRUE, FALSE);
1259         else {
1260                 node = summary_find_next_flagged_msg
1261                         (summaryview, NULL, MSG_UNREAD, FALSE);
1262                 if (node == NULL) {
1263                         AlertValue val = 0;
1264
1265                         switch (prefs_common.next_unread_msg_dialog) {
1266                                 case NEXTUNREADMSGDIALOG_ALWAYS:
1267                                         val = alertpanel(_("No more unread messages"),
1268                                                          _("No unread message found. "
1269                                                            "Go to next folder?"),
1270                                                          _("Yes"), _("No"), NULL);
1271                                         break;
1272                                 case NEXTUNREADMSGDIALOG_ASSUME_YES:
1273                                         val = G_ALERTDEFAULT;
1274                                         break;
1275                                 case NEXTUNREADMSGDIALOG_ASSUME_NO:
1276                                         val = G_ALERTOTHER;
1277                                         break;
1278                                 default:
1279                                         debug_print(
1280                                                 _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1281                         }
1282
1283                         if (val == G_ALERTDEFAULT) {
1284                                 if (gtk_signal_n_emissions_by_name
1285                                         (GTK_OBJECT(ctree), "key_press_event") > 0)
1286                                                 gtk_signal_emit_stop_by_name
1287                                                         (GTK_OBJECT(ctree),
1288                                                          "key_press_event");
1289                                 folderview_select_next_unread(summaryview->folderview);
1290                                 return;
1291                         }
1292                         else
1293                                 return;
1294                 } else
1295                         summary_select_node(summaryview, node, TRUE, FALSE);
1296
1297         }
1298 }
1299
1300 void summary_select_prev_new(SummaryView *summaryview)
1301 {
1302         GtkCTreeNode *node;
1303
1304         node = summary_find_prev_flagged_msg
1305                 (summaryview, summaryview->selected, MSG_NEW, FALSE);
1306
1307         if (!node) {
1308                 AlertValue val;
1309
1310                 val = alertpanel(_("No more new messages"),
1311                                  _("No new message found. "
1312                                    "Search from the end?"),
1313                                  _("Yes"), _("No"), NULL);
1314                 if (val != G_ALERTDEFAULT) return;
1315                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1316                                                      MSG_NEW, FALSE);
1317         }
1318
1319         if (!node)
1320                 alertpanel_notice(_("No new messages."));
1321         else
1322                 summary_select_node(summaryview, node, TRUE, FALSE);
1323 }
1324
1325 void summary_select_next_new(SummaryView *summaryview)
1326 {
1327         GtkCTreeNode *node = summaryview->selected;
1328         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1329
1330         while ((node = summary_find_next_flagged_msg
1331                 (summaryview, node, MSG_NEW, FALSE)) == NULL) {
1332                 AlertValue val;
1333
1334                 val = alertpanel(_("No more new messages"),
1335                                  _("No new message found. "
1336                                    "Go to next folder?"),
1337                                  _("Yes"), _("Search again"), _("No"));
1338                 if (val == G_ALERTDEFAULT) {
1339                         if (gtk_signal_n_emissions_by_name
1340                                 (GTK_OBJECT(ctree), "key_press_event") > 0)
1341                                         gtk_signal_emit_stop_by_name
1342                                                 (GTK_OBJECT(ctree),
1343                                                  "key_press_event");
1344                         folderview_select_next_unread(summaryview->folderview);
1345                         return;
1346                 } else if (val == G_ALERTALTERNATE)
1347                         node = NULL;
1348                 else
1349                         return;
1350         }
1351
1352         if (node)
1353                 summary_select_node(summaryview, node, TRUE, FALSE);
1354 }
1355
1356 void summary_select_prev_marked(SummaryView *summaryview)
1357 {
1358         GtkCTreeNode *node;
1359
1360         node = summary_find_prev_flagged_msg
1361                 (summaryview, summaryview->selected, MSG_MARKED, TRUE);
1362
1363         if (!node) {
1364                 AlertValue val;
1365
1366                 val = alertpanel(_("No more marked messages"),
1367                                  _("No marked message found. "
1368                                    "Search from the end?"),
1369                                  _("Yes"), _("No"), NULL);
1370                 if (val != G_ALERTDEFAULT) return;
1371                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1372                                                      MSG_MARKED, TRUE);
1373         }
1374
1375         if (!node)
1376                 alertpanel_notice(_("No marked messages."));
1377         else
1378                 summary_select_node(summaryview, node, TRUE, FALSE);
1379 }
1380
1381 void summary_select_next_marked(SummaryView *summaryview)
1382 {
1383         GtkCTreeNode *node;
1384
1385         node = summary_find_next_flagged_msg
1386                 (summaryview, summaryview->selected, MSG_MARKED, TRUE);
1387
1388         if (!node) {
1389                 AlertValue val;
1390
1391                 val = alertpanel(_("No more marked messages"),
1392                                  _("No marked message found. "
1393                                    "Search from the beginning?"),
1394                                  _("Yes"), _("No"), NULL);
1395                 if (val != G_ALERTDEFAULT) return;
1396                 node = summary_find_next_flagged_msg(summaryview, NULL,
1397                                                      MSG_MARKED, TRUE);
1398         }
1399
1400         if (!node)
1401                 alertpanel_notice(_("No marked messages."));
1402         else
1403                 summary_select_node(summaryview, node, TRUE, FALSE);
1404 }
1405
1406 void summary_select_prev_labeled(SummaryView *summaryview)
1407 {
1408         GtkCTreeNode *node;
1409
1410         node = summary_find_prev_flagged_msg
1411                 (summaryview, summaryview->selected, MSG_CLABEL_FLAG_MASK, TRUE);
1412
1413         if (!node) {
1414                 AlertValue val;
1415
1416                 val = alertpanel(_("No more labeled messages"),
1417                                  _("No labeled message found. "
1418                                    "Search from the end?"),
1419                                  _("Yes"), _("No"), NULL);
1420                 if (val != G_ALERTDEFAULT) return;
1421                 node = summary_find_prev_flagged_msg(summaryview, NULL,
1422                                                      MSG_CLABEL_FLAG_MASK, TRUE);
1423         }
1424
1425         if (!node)
1426                 alertpanel_notice(_("No labeled messages."));
1427         else
1428                 summary_select_node(summaryview, node, TRUE, FALSE);
1429 }
1430
1431 void summary_select_next_labeled(SummaryView *summaryview)
1432 {
1433         GtkCTreeNode *node;
1434
1435         node = summary_find_next_flagged_msg
1436                 (summaryview, summaryview->selected, MSG_CLABEL_FLAG_MASK, TRUE);
1437
1438         if (!node) {
1439                 AlertValue val;
1440
1441                 val = alertpanel(_("No more labeled messages"),
1442                                  _("No labeled message found. "
1443                                    "Search from the beginning?"),
1444                                  _("Yes"), _("No"), NULL);
1445                 if (val != G_ALERTDEFAULT) return;
1446                 node = summary_find_next_flagged_msg(summaryview, NULL,
1447                                                      MSG_CLABEL_FLAG_MASK, TRUE);
1448         }
1449
1450         if (!node)
1451                 alertpanel_notice(_("No labeled messages."));
1452         else
1453                 summary_select_node(summaryview, node, TRUE, FALSE);
1454 }
1455
1456 void summary_select_by_msgnum(SummaryView *summaryview, guint msgnum)
1457 {
1458         GtkCTreeNode *node;
1459
1460         node = summary_find_msg_by_msgnum(summaryview, msgnum);
1461         summary_select_node(summaryview, node, FALSE, TRUE);
1462 }
1463
1464 /**
1465  * summary_select_node:
1466  * @summaryview: Summary view.
1467  * @node: Summary tree node.
1468  * @display_msg: TRUE to display the selected message.
1469  * @do_refresh: TRUE to refresh the widget.
1470  *
1471  * Select @node (bringing it into view by scrolling and expanding its
1472  * thread, if necessary) and unselect all others.  If @display_msg is
1473  * TRUE, display the corresponding message in the message view.
1474  * If @do_refresh is TRUE, the widget is refreshed.
1475  **/
1476 void summary_select_node(SummaryView *summaryview, GtkCTreeNode *node,
1477                          gboolean display_msg, gboolean do_refresh)
1478 {
1479         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1480
1481         if (node) {
1482                 gtkut_ctree_expand_parent_all(ctree, node);
1483                 if (do_refresh) {
1484                         GTK_EVENTS_FLUSH();
1485                         gtk_widget_grab_focus(GTK_WIDGET(ctree));
1486                         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1487                 }
1488                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1489                 if (display_msg && summaryview->displayed == node)
1490                         summaryview->displayed = NULL;
1491                 summaryview->display_msg = display_msg;
1492                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1493         }
1494 }
1495
1496 static guint summary_get_msgnum(SummaryView *summaryview, GtkCTreeNode *node)
1497 {
1498         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1499         MsgInfo *msginfo;
1500
1501         if (!node)
1502                 return 0;
1503         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1504         return msginfo->msgnum;
1505 }
1506
1507 static GtkCTreeNode *summary_find_prev_msg(SummaryView *summaryview,
1508                                            GtkCTreeNode *current_node)
1509 {
1510         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1511         GtkCTreeNode *node;
1512         MsgInfo *msginfo;
1513
1514         if (current_node)
1515                 node = current_node;
1516         else
1517                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1518
1519         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1520                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1521                 if (!MSG_IS_DELETED(msginfo->flags)) break;
1522         }
1523
1524         return node;
1525 }
1526
1527 static GtkCTreeNode *summary_find_next_msg(SummaryView *summaryview,
1528                                            GtkCTreeNode *current_node)
1529 {
1530         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1531         GtkCTreeNode *node;
1532         MsgInfo *msginfo;
1533
1534         if (current_node)
1535                 node = current_node;
1536         else
1537                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1538
1539         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1540                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1541                 if (!MSG_IS_DELETED(msginfo->flags)) break;
1542         }
1543
1544         return node;
1545 }
1546
1547 static GtkCTreeNode *summary_find_prev_flagged_msg(SummaryView *summaryview,
1548                                                    GtkCTreeNode *current_node,
1549                                                    MsgPermFlags flags,
1550                                                    gboolean start_from_prev)
1551 {
1552         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1553         GtkCTreeNode *node;
1554         MsgInfo *msginfo;
1555
1556         if (current_node) {
1557                 if (start_from_prev)
1558                         node = GTK_CTREE_NODE_PREV(current_node);
1559                 else
1560                         node = current_node;
1561         } else
1562                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1563
1564         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1565                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1566                 if ((msginfo->flags.perm_flags & flags) != 0) break;
1567         }
1568
1569         return node;
1570 }
1571
1572 static GtkCTreeNode *summary_find_next_flagged_msg(SummaryView *summaryview,
1573                                                    GtkCTreeNode *current_node,
1574                                                    MsgPermFlags flags,
1575                                                    gboolean start_from_next)
1576 {
1577         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1578         GtkCTreeNode *node;
1579         MsgInfo *msginfo;
1580
1581         if (current_node) {
1582                 if (start_from_next)
1583                         node = gtkut_ctree_node_next(ctree, current_node);
1584                 else
1585                         node = current_node;
1586         } else
1587                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1588
1589         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1590                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1591                 /* Find msg with matching flags but ignore messages with
1592                    ignore flags, if searching for new or unread messages */
1593                 if (!(((flags & (MSG_NEW | MSG_UNREAD)) != 0) && MSG_IS_IGNORE_THREAD(msginfo->flags)) &&
1594                         ((msginfo->flags.perm_flags & flags) != 0))
1595                         break;
1596         }
1597
1598         return node;
1599 }
1600
1601 static GtkCTreeNode *summary_find_msg_by_msgnum(SummaryView *summaryview,
1602                                                 guint msgnum)
1603 {
1604         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1605         GtkCTreeNode *node;
1606         MsgInfo *msginfo;
1607
1608         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1609
1610         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1611                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1612                 if (msginfo->msgnum == msgnum) break;
1613         }
1614
1615         return node;
1616 }
1617
1618 static guint attract_hash_func(gconstpointer key)
1619 {
1620         gchar *str;
1621         gchar *p;
1622         guint h;
1623
1624         Xstrdup_a(str, (const gchar *)key, return 0);
1625         trim_subject(str);
1626
1627         p = str;
1628         h = *p;
1629
1630         if (h) {
1631                 for (p += 1; *p != '\0'; p++)
1632                         h = (h << 5) - h + *p;
1633         }
1634
1635         return h;
1636 }
1637
1638 static gint attract_compare_func(gconstpointer a, gconstpointer b)
1639 {
1640         return subject_compare((const gchar *)a, (const gchar *)b) == 0;
1641 }
1642
1643 void summary_attract_by_subject(SummaryView *summaryview)
1644 {
1645         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1646         GtkCList *clist = GTK_CLIST(ctree);
1647         GtkCTreeNode *src_node;
1648         GtkCTreeNode *dst_node, *sibling;
1649         GtkCTreeNode *tmp;
1650         MsgInfo *src_msginfo, *dst_msginfo;
1651         GHashTable *subject_table;
1652
1653         debug_print("Attracting messages by subject...");
1654         STATUSBAR_PUSH(summaryview->mainwin,
1655                        _("Attracting messages by subject..."));
1656
1657         main_window_cursor_wait(summaryview->mainwin);
1658         gtk_clist_freeze(clist);
1659
1660         subject_table = g_hash_table_new(attract_hash_func,
1661                                          attract_compare_func);
1662
1663         for (src_node = GTK_CTREE_NODE(clist->row_list);
1664              src_node != NULL;
1665              src_node = tmp) {
1666                 tmp = GTK_CTREE_ROW(src_node)->sibling;
1667                 src_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(src_node);
1668                 if (!src_msginfo) continue;
1669                 if (!src_msginfo->subject) continue;
1670
1671                 /* find attracting node */
1672                 dst_node = g_hash_table_lookup(subject_table,
1673                                                src_msginfo->subject);
1674
1675                 if (dst_node) {
1676                         dst_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(dst_node);
1677
1678                         /* if the time difference is more than 20 days,
1679                            don't attract */
1680                         if (ABS(src_msginfo->date_t - dst_msginfo->date_t)
1681                             > 60 * 60 * 24 * 20)
1682                                 continue;
1683
1684                         sibling = GTK_CTREE_ROW(dst_node)->sibling;
1685                         if (src_node != sibling)
1686                                 gtk_ctree_move(ctree, src_node, NULL, sibling);
1687                 }
1688
1689                 g_hash_table_insert(subject_table,
1690                                     src_msginfo->subject, src_node);
1691         }
1692
1693         g_hash_table_destroy(subject_table);
1694
1695         gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
1696
1697         gtk_clist_thaw(clist);
1698
1699         debug_print("done.\n");
1700         STATUSBAR_POP(summaryview->mainwin);
1701
1702         main_window_cursor_normal(summaryview->mainwin);
1703 }
1704
1705 static void summary_free_msginfo_func(GtkCTree *ctree, GtkCTreeNode *node,
1706                                       gpointer data)
1707 {
1708         MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, node);
1709
1710         if (msginfo)
1711                 procmsg_msginfo_free(msginfo);
1712 }
1713
1714 static void summary_set_marks_func(GtkCTree *ctree, GtkCTreeNode *node,
1715                                    gpointer data)
1716 {
1717         SummaryView *summaryview = data;
1718         MsgInfo *msginfo;
1719
1720         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1721
1722         if (MSG_IS_NEWS(msginfo->flags))
1723                 news_flag_crosspost(msginfo);
1724
1725         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1726                 summaryview->newmsgs++;
1727         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1728                 summaryview->unread++;
1729         if (MSG_IS_DELETED(msginfo->flags))
1730                 summaryview->deleted++;
1731
1732         summaryview->messages++;
1733         summaryview->total_size += msginfo->size;
1734
1735         summary_set_row_marks(summaryview, node);
1736 }
1737
1738 static void summary_update_status(SummaryView *summaryview)
1739 {
1740         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1741         GtkCTreeNode *node;
1742         MsgInfo *msginfo;
1743
1744         summaryview->newmsgs = summaryview->unread =
1745         summaryview->messages = summaryview->total_size =
1746         summaryview->deleted = summaryview->moved = summaryview->copied = 0;
1747
1748         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1749              node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1750                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
1751
1752                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1753                         summaryview->newmsgs++;
1754                 if (MSG_IS_UNREAD(msginfo->flags)&& !MSG_IS_IGNORE_THREAD(msginfo->flags))
1755                         summaryview->unread++;
1756                 if (MSG_IS_DELETED(msginfo->flags))
1757                         summaryview->deleted++;
1758                 if (MSG_IS_MOVE(msginfo->flags))
1759                         summaryview->moved++;
1760                 if (MSG_IS_COPY(msginfo->flags))
1761                         summaryview->copied++;
1762                 summaryview->messages++;
1763                 summaryview->total_size += msginfo->size;
1764         }
1765 }
1766
1767 static void summary_status_show(SummaryView *summaryview)
1768 {
1769         gchar *str;
1770         gchar *del, *mv, *cp;
1771         gchar *sel;
1772         gchar *spc;
1773         gchar *itstr;
1774         GList *rowlist, *cur;
1775         guint n_selected = 0;
1776         off_t sel_size = 0;
1777         MsgInfo *msginfo;
1778
1779         if (!summaryview->folder_item) {
1780                 gtk_label_set(GTK_LABEL(summaryview->statlabel_folder), "");
1781                 gtk_label_set(GTK_LABEL(summaryview->statlabel_select), "");
1782                 gtk_label_set(GTK_LABEL(summaryview->statlabel_msgs),   "");
1783                 return;
1784         }
1785
1786         rowlist = GTK_CLIST(summaryview->ctree)->selection;
1787         for (cur = rowlist; cur != NULL; cur = cur->next) {
1788                 msginfo = gtk_ctree_node_get_row_data
1789                         (GTK_CTREE(summaryview->ctree),
1790                          GTK_CTREE_NODE(cur->data));
1791                 sel_size += msginfo->size;
1792                 n_selected++;
1793         }
1794
1795         if (summaryview->folder_item->folder->type == F_NEWS &&
1796             prefs_common.ng_abbrev_len < strlen(summaryview->folder_item->path)) {
1797                 gchar *group;
1798                 group = get_abbrev_newsgroup_name
1799                         (g_basename(summaryview->folder_item->path), prefs_common.ng_abbrev_len);
1800                 gtk_label_set(GTK_LABEL(summaryview->statlabel_folder), group);
1801                 g_free(group);
1802         } else {
1803                 gtk_label_set(GTK_LABEL(summaryview->statlabel_folder),
1804                               summaryview->folder_item->path);
1805         }
1806
1807         if (summaryview->deleted)
1808                 del = g_strdup_printf(_("%d deleted"), summaryview->deleted);
1809         else
1810                 del = g_strdup("");
1811         if (summaryview->moved)
1812                 mv = g_strdup_printf(_("%s%d moved"),
1813                                      summaryview->deleted ? _(", ") : "",
1814                                      summaryview->moved);
1815         else
1816                 mv = g_strdup("");
1817         if (summaryview->copied)
1818                 cp = g_strdup_printf(_("%s%d copied"),
1819                                      summaryview->deleted ||
1820                                      summaryview->moved ? _(", ") : "",
1821                                      summaryview->copied);
1822         else
1823                 cp = g_strdup("");
1824
1825         if (summaryview->deleted || summaryview->moved || summaryview->copied)
1826                 spc = "    ";
1827         else
1828                 spc = "";
1829
1830         if (n_selected) {
1831                 sel = g_strdup_printf(" (%s)", to_human_readable(sel_size));
1832                 if (n_selected == 1)
1833                         itstr = g_strdup(_(" item selected"));
1834                 else
1835                         itstr = g_strdup(_(" items selected"));
1836         } else {
1837                 sel = g_strdup("");
1838                 itstr = g_strdup("");
1839         }
1840
1841         str = g_strconcat(n_selected ? itos(n_selected) : "",
1842                                         itstr, sel, spc, del, mv, cp, NULL);
1843         gtk_label_set(GTK_LABEL(summaryview->statlabel_select), str);
1844         g_free(str);
1845         g_free(sel);
1846         g_free(del);
1847         g_free(mv);
1848         g_free(cp);
1849         g_free(itstr);
1850
1851         if (FOLDER_IS_LOCAL(summaryview->folder_item->folder)) {
1852                 str = g_strdup_printf(_("%d new, %d unread, %d total (%s)"),
1853                                       summaryview->newmsgs,
1854                                       summaryview->unread,
1855                                       summaryview->messages,
1856                                       to_human_readable(summaryview->total_size));
1857         } else {
1858                 str = g_strdup_printf(_("%d new, %d unread, %d total"),
1859                                       summaryview->newmsgs,
1860                                       summaryview->unread,
1861                                       summaryview->messages);
1862         }
1863         gtk_label_set(GTK_LABEL(summaryview->statlabel_msgs), str);
1864         g_free(str);
1865 }
1866
1867 static void summary_set_column_titles(SummaryView *summaryview)
1868 {
1869         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1870         GtkWidget *hbox;
1871         GtkWidget *label;
1872         GtkWidget *arrow;
1873         gint pos;
1874         const gchar *title;
1875         SummaryColumnType type;
1876         gboolean single_char;
1877         GtkJustification justify;
1878
1879         static FolderSortKey sort_by[N_SUMMARY_COLS] = {
1880                 SORT_BY_MARK,
1881                 SORT_BY_UNREAD,
1882                 SORT_BY_MIME,
1883                 SORT_BY_SUBJECT,
1884                 SORT_BY_FROM,
1885                 SORT_BY_DATE,
1886                 SORT_BY_SIZE,
1887                 SORT_BY_NUMBER,
1888                 SORT_BY_SCORE,
1889                 SORT_BY_LOCKED
1890         };
1891
1892         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
1893                 type = summaryview->col_state[pos].type;
1894
1895                 /* CLAWS: mime and unread are single char headers */
1896                 single_char = (type == S_COL_MIME || type == S_COL_UNREAD);
1897                 justify = (type == S_COL_NUMBER || type == S_COL_SIZE)
1898                         ? GTK_JUSTIFY_RIGHT : GTK_JUSTIFY_LEFT;
1899
1900                 switch (type) {
1901                 case S_COL_SUBJECT:
1902                 case S_COL_FROM:
1903                 case S_COL_DATE:
1904                 case S_COL_NUMBER:
1905                         if (prefs_common.trans_hdr)
1906                                 title = gettext(col_label[type]);
1907                         else
1908                                 title = col_label[type];
1909                         break;
1910                 /* CLAWS: dummies for mark and locked headers */
1911                 case S_COL_MARK:
1912                 case S_COL_LOCKED:
1913                         title = "";
1914                         break;
1915                 default:
1916                         title = gettext(col_label[type]);
1917                 }
1918
1919                 if (type == S_COL_MIME) {
1920                         label = gtk_pixmap_new(clipxpm, clipxpmmask);
1921                         gtk_widget_show(label);
1922                         gtk_clist_set_column_widget(clist, pos, label);
1923                         continue;
1924                 }
1925                 if (single_char) {
1926                         gtk_clist_set_column_title(clist, pos, title);
1927                         continue;
1928                 }
1929
1930                 /* CLAWS: changed so that locked and mark headers
1931                  * show a pixmap instead of single character */
1932                 hbox  = gtk_hbox_new(FALSE, 4);
1933
1934                 if (type == S_COL_LOCKED)
1935                         label = gtk_pixmap_new(lockedxpm, lockedxpmmask);
1936                 else if (type == S_COL_MARK)
1937                         label = gtk_pixmap_new(markxpm, markxpmmask);
1938                 else
1939                         label = gtk_label_new(title);
1940
1941                 if (justify == GTK_JUSTIFY_RIGHT)
1942                         gtk_box_pack_end(GTK_BOX(hbox), label,
1943                                          FALSE, FALSE, 0);
1944                 else
1945                         gtk_box_pack_start(GTK_BOX(hbox), label,
1946                                            FALSE, FALSE, 0);
1947
1948                 if (summaryview->sort_key == sort_by[type]) {
1949                         arrow = gtk_arrow_new
1950                                 (summaryview->sort_type == SORT_ASCENDING
1951                                  ? GTK_ARROW_DOWN : GTK_ARROW_UP,
1952                                  GTK_SHADOW_IN);
1953                         if (justify == GTK_JUSTIFY_RIGHT)
1954                                 gtk_box_pack_start(GTK_BOX(hbox), arrow,
1955                                                    FALSE, FALSE, 0);
1956                         else
1957                                 gtk_box_pack_end(GTK_BOX(hbox), arrow,
1958                                                  FALSE, FALSE, 0);
1959                 }
1960
1961                 gtk_widget_show_all(hbox);
1962                 gtk_clist_set_column_widget(clist, pos, hbox);
1963         }
1964 }
1965
1966 void summary_sort(SummaryView *summaryview,
1967                   FolderSortKey sort_key, FolderSortType sort_type)
1968 {
1969         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1970         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1971         GtkCListCompareFunc cmp_func = NULL;
1972
1973         switch (sort_key) {
1974         case SORT_BY_MARK:
1975                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mark;
1976                 break;
1977         case SORT_BY_UNREAD:
1978                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_unread;
1979                 break;
1980         case SORT_BY_MIME:
1981                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mime;
1982                 break;
1983         case SORT_BY_NUMBER:
1984                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_num;
1985                 break;
1986         case SORT_BY_SIZE:
1987                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_size;
1988                 break;
1989         case SORT_BY_DATE:
1990                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_date;
1991                 break;
1992         case SORT_BY_FROM:
1993                 if (summaryview->folder_item && summaryview->folder_item->stype != F_OUTBOX)
1994                         cmp_func = (GtkCListCompareFunc) summary_cmp_by_from;
1995                 else
1996                         cmp_func = (GtkCListCompareFunc) summary_cmp_by_to;
1997                 break;
1998         case SORT_BY_SUBJECT:
1999                 if (summaryview->simplify_subject_preg)
2000                         cmp_func = (GtkCListCompareFunc)summary_cmp_by_simplified_subject;
2001                 else
2002                         cmp_func = (GtkCListCompareFunc)summary_cmp_by_subject;
2003                 break;
2004         case SORT_BY_SCORE:
2005                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_score;
2006                 break;
2007         case SORT_BY_LOCKED:
2008                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_locked;
2009                 break;
2010         case SORT_BY_LABEL:
2011                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_label;
2012                 break;
2013         case SORT_BY_NONE:
2014                 cmp_func = NULL;
2015                 return;
2016         default:
2017                 return;
2018         }
2019
2020         summaryview->sort_key = sort_key;
2021         summaryview->sort_type = sort_type;
2022
2023         summary_set_column_titles(summaryview);
2024         summary_set_menu_sensitive(summaryview);
2025         if(cmp_func != NULL) {
2026                 debug_print("Sorting summary...");
2027                 STATUSBAR_PUSH(summaryview->mainwin, _("Sorting summary..."));
2028
2029                 main_window_cursor_wait(summaryview->mainwin);
2030
2031                 gtk_clist_set_compare_func(clist, cmp_func);
2032
2033                 gtk_clist_set_sort_type(clist, (GtkSortType)sort_type);
2034
2035                 gtk_sctree_sort_recursive(ctree, NULL);
2036
2037                 gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
2038
2039                 main_window_cursor_normal(summaryview->mainwin);
2040
2041                 debug_print("done.\n");
2042                 STATUSBAR_POP(summaryview->mainwin);
2043         }
2044 }
2045
2046 gboolean summary_insert_gnode_func(GtkCTree *ctree, guint depth, GNode *gnode,
2047                                    GtkCTreeNode *cnode, gpointer data)
2048 {
2049         SummaryView *summaryview = (SummaryView *)data;
2050         MsgInfo *msginfo = (MsgInfo *)gnode->data;
2051         gchar *text[N_SUMMARY_COLS];
2052         gint *col_pos = summaryview->col_pos;
2053         const gchar *msgid = msginfo->msgid;
2054         GHashTable *msgid_table = summaryview->msgid_table;
2055
2056         summary_set_header(summaryview, text, msginfo);
2057
2058         gtk_ctree_set_node_info(ctree, cnode, text[col_pos[S_COL_SUBJECT]], 2,
2059                                 NULL, NULL, NULL, NULL, FALSE,
2060                                 gnode->parent->parent ? TRUE : FALSE);
2061 #define SET_TEXT(col) \
2062         gtk_ctree_node_set_text(ctree, cnode, col_pos[col], \
2063                                 text[col_pos[col]])
2064
2065         SET_TEXT(S_COL_NUMBER);
2066         SET_TEXT(S_COL_SCORE);
2067         SET_TEXT(S_COL_SIZE);
2068         SET_TEXT(S_COL_DATE);
2069         SET_TEXT(S_COL_FROM);
2070         SET_TEXT(S_COL_SUBJECT);
2071
2072 #undef SET_TEXT
2073
2074         GTKUT_CTREE_NODE_SET_ROW_DATA(cnode, msginfo);
2075         summary_set_marks_func(ctree, cnode, summaryview);
2076
2077         if (msgid && msgid[0] != '\0')
2078                 g_hash_table_insert(msgid_table, (gchar *)msgid, cnode);
2079
2080         return TRUE;
2081 }
2082
2083 static void summary_set_ctree_from_list(SummaryView *summaryview,
2084                                         GSList *mlist)
2085 {
2086         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2087         MsgInfo *msginfo;
2088                 GtkCTreeNode *node = NULL;
2089         GHashTable *msgid_table;
2090         GHashTable *subject_table;
2091         GSList * cur;
2092
2093         if (!mlist) return;
2094
2095         debug_print("\tSetting summary from message data...");
2096         STATUSBAR_PUSH(summaryview->mainwin,
2097                        _("Setting summary from message data..."));
2098         gdk_flush();
2099
2100         msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
2101         summaryview->msgid_table = msgid_table;
2102         subject_table = g_hash_table_new(g_str_hash, g_str_equal);
2103         summaryview->subject_table = subject_table;
2104
2105         if (prefs_common.use_addr_book)
2106                 start_address_completion();
2107
2108         for (cur = mlist ; cur != NULL; cur = cur->next) {
2109                 msginfo = (MsgInfo *)cur->data;
2110                 msginfo->threadscore = msginfo->score;
2111         }
2112
2113         if (summaryview->threaded) {
2114                 GNode *root, *gnode;
2115
2116                 root = procmsg_get_thread_tree(mlist);
2117
2118                 for (gnode = root->children; gnode != NULL;
2119                      gnode = gnode->next) {
2120                         node = gtk_ctree_insert_gnode
2121                                 (ctree, NULL, node, gnode,
2122                                  summary_insert_gnode_func, summaryview);
2123                 }
2124
2125                 g_node_destroy(root);
2126
2127                 folder_update_items_when_required(FALSE);
2128
2129                 summary_thread_init(summaryview);
2130         } else {
2131                 gchar *text[N_SUMMARY_COLS];
2132
2133                 mlist = g_slist_reverse(mlist);
2134                 for (; mlist != NULL; mlist = mlist->next) {
2135                         msginfo = (MsgInfo *)mlist->data;
2136
2137                         summary_set_header(summaryview, text, msginfo);
2138
2139                         node = gtk_ctree_insert_node
2140                                 (ctree, NULL, node, text, 2,
2141                                  NULL, NULL, NULL, NULL, FALSE, FALSE);
2142                         GTKUT_CTREE_NODE_SET_ROW_DATA(node, msginfo);
2143                         summary_set_marks_func(ctree, node, summaryview);
2144
2145                         if (msginfo->msgid && msginfo->msgid[0] != '\0')
2146                                 g_hash_table_insert(msgid_table,
2147                                                     msginfo->msgid, node);
2148
2149                         subject_table_insert(subject_table,
2150                                              msginfo->subject,
2151                                              node);
2152                 }
2153                 mlist = g_slist_reverse(mlist);
2154         }
2155
2156         if (prefs_common.enable_hscrollbar &&
2157             summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
2158                 gint optimal_width;
2159
2160                 optimal_width = gtk_clist_optimal_column_width
2161                         (GTK_CLIST(ctree), summaryview->col_pos[S_COL_SUBJECT]);
2162                 gtk_clist_set_column_width(GTK_CLIST(ctree),
2163                                            summaryview->col_pos[S_COL_SUBJECT],
2164                                            optimal_width);
2165         }
2166
2167         if (prefs_common.use_addr_book)
2168                 end_address_completion();
2169
2170         debug_print("done.\n");
2171         STATUSBAR_POP(summaryview->mainwin);
2172         if (debug_mode) {
2173                 debug_print("\tmsgid hash table size = %d\n",
2174                             g_hash_table_size(msgid_table));
2175                 debug_print("\tsubject hash table size = %d\n",
2176                             g_hash_table_size(subject_table));
2177         }
2178 }
2179
2180 static gchar *summary_complete_address(const gchar *addr)
2181 {
2182         gint count;
2183         gchar *res, *tmp, *email_addr;
2184
2185         Xstrdup_a(email_addr, addr, return NULL);
2186         extract_address(email_addr);
2187         g_return_val_if_fail(*email_addr, NULL);
2188
2189         /*
2190          * completion stuff must be already initialized
2191          */
2192         res = NULL;
2193         if (1 < (count = complete_address(email_addr))) {
2194                 tmp = get_complete_address(1);
2195                 res = procheader_get_fromname(tmp);
2196                 g_free(tmp);
2197         }
2198
2199         return res;
2200 }
2201
2202 static void summary_set_header(SummaryView *summaryview, gchar *text[],
2203                                MsgInfo *msginfo)
2204 {
2205         static gchar date_modified[80];
2206         static gchar *to = NULL;
2207         static gchar col_score[11];
2208         static gchar buf[BUFFSIZE];
2209         gint *col_pos = summaryview->col_pos;
2210
2211         text[col_pos[S_COL_MARK]]   = NULL;
2212         text[col_pos[S_COL_UNREAD]] = NULL;
2213         text[col_pos[S_COL_MIME]]   = NULL;
2214         text[col_pos[S_COL_LOCKED]] = NULL;
2215         text[col_pos[S_COL_NUMBER]] = itos(msginfo->msgnum);
2216         text[col_pos[S_COL_SIZE]]   = to_human_readable(msginfo->size);
2217         text[col_pos[S_COL_SCORE]]  = itos_buf(col_score, msginfo->score);
2218
2219         if (msginfo->date_t) {
2220                 procheader_date_get_localtime(date_modified,
2221                                               sizeof(date_modified),
2222                                               msginfo->date_t);
2223                 text[col_pos[S_COL_DATE]] = date_modified;
2224         } else if (msginfo->date)
2225                 text[col_pos[S_COL_DATE]] = msginfo->date;
2226         else
2227                 text[col_pos[S_COL_DATE]] = _("(No Date)");
2228
2229         text[col_pos[S_COL_FROM]] = msginfo->fromname ? msginfo->fromname :
2230                 _("(No From)");
2231         if (prefs_common.swap_from && msginfo->from && msginfo->to &&
2232             !MSG_IS_NEWS(msginfo->flags)) {
2233                 gchar *addr = NULL;
2234
2235                 Xstrdup_a(addr, msginfo->from, return);
2236                 extract_address(addr);
2237
2238                 if (prefs_common.use_addr_book) {
2239                         if (account_find_from_address(addr)) {
2240                                 addr = summary_complete_address(msginfo->to);
2241                                 g_free(to);
2242                                 to   = g_strconcat("-->", addr == NULL ? msginfo->to : addr, NULL);
2243                                 text[col_pos[S_COL_FROM]] = to;
2244                                 g_free(addr);
2245                         }
2246                 } else {
2247                         if (cur_account && cur_account->address && !strcmp( addr, cur_account->address)) {
2248                                 g_free(to);
2249                                 to = g_strconcat("-->", msginfo->to, NULL);
2250                                 text[col_pos[S_COL_FROM]] = to;
2251                         }
2252                 }
2253         }
2254
2255         /*
2256          * CLAWS: note that the "text[col_pos[S_COL_FROM]] != to" is really a hack,
2257          * checking whether the above block (which handles the special case of
2258          * the --> in sent boxes) was executed.
2259          */
2260         if (text[col_pos[S_COL_FROM]] != to && prefs_common.use_addr_book && msginfo->from) {
2261                 gchar *from = summary_complete_address(msginfo->from);
2262                 if (from) {
2263                         g_free(to);
2264                         to = from;
2265                         text[col_pos[S_COL_FROM]] = to;
2266                 }
2267         }
2268
2269         if (summaryview->simplify_subject_preg != NULL)
2270                 text[col_pos[S_COL_SUBJECT]] = msginfo->subject ?
2271                         string_remove_match(buf, BUFFSIZE, msginfo->subject,
2272                                         summaryview->simplify_subject_preg) :
2273                         _("(No Subject)");
2274         else
2275                 text[col_pos[S_COL_SUBJECT]] = msginfo->subject ? msginfo->subject :
2276                         _("(No Subject)");
2277 }
2278
2279 static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row)
2280 {
2281         summary_display_msg_full(summaryview, row, FALSE, FALSE);
2282 }
2283
2284 static void summary_display_msg_full(SummaryView *summaryview,
2285                                      GtkCTreeNode *row,
2286                                      gboolean new_window, gboolean all_headers)
2287 {
2288         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2289         MsgInfo *msginfo;
2290         MsgFlags flags;
2291         gchar *filename;
2292
2293         if (!new_window && summaryview->displayed == row) return;
2294         g_return_if_fail(row != NULL);
2295
2296         if (summary_is_locked(summaryview)) return;
2297         summary_lock(summaryview);
2298
2299         STATUSBAR_POP(summaryview->mainwin);
2300         GTK_EVENTS_FLUSH();
2301
2302         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2303
2304         filename = procmsg_get_message_file(msginfo);
2305         if (!filename) {
2306                 summary_unlock(summaryview);
2307                 return;
2308         }
2309         g_free(filename);
2310
2311         if (new_window || !prefs_common.mark_as_read_on_new_window) {
2312                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2313                         summaryview->newmsgs--;
2314                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2315                         summaryview->unread--;
2316                 if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
2317                         procmsg_msginfo_unset_flags
2318                                 (msginfo, MSG_NEW | MSG_UNREAD, 0);
2319                         folder_update_item(msginfo->folder, FALSE);
2320                         summary_set_row_marks(summaryview, row);
2321                         gtk_clist_thaw(GTK_CLIST(ctree));
2322                         summary_status_show(summaryview);
2323
2324                         flags = msginfo->flags;
2325                 }
2326         }
2327
2328         if (new_window) {
2329                 MessageView *msgview;
2330
2331                 msgview = messageview_create_with_new_window(summaryview->mainwin);
2332                 messageview_show(msgview, msginfo, all_headers);
2333         } else {
2334                 MessageView *msgview;
2335
2336                 msgview = summaryview->messageview;
2337
2338                 summaryview->displayed = row;
2339                 if (!messageview_is_visible(msgview))
2340                         main_window_toggle_message_view(summaryview->mainwin);
2341                 messageview_show(msgview, msginfo, all_headers);
2342                 if (msgview->type == MVIEW_TEXT ||
2343                     (msgview->type == MVIEW_MIME &&
2344                      (GTK_CLIST(msgview->mimeview->ctree)->row_list == NULL ||
2345                       gtk_notebook_get_current_page
2346                         (GTK_NOTEBOOK(msgview->mimeview->notebook)) == 0)))
2347                         gtk_widget_grab_focus(summaryview->ctree);
2348                 GTK_EVENTS_FLUSH();
2349                 gtkut_ctree_node_move_if_on_the_edge(ctree, row);
2350         }
2351
2352         summary_set_menu_sensitive(summaryview);
2353         toolbar_set_sensitive(summaryview->mainwin);
2354
2355         summary_unlock(summaryview);
2356 }
2357
2358 void summary_display_msg_selected(SummaryView *summaryview,
2359                                   gboolean all_headers)
2360 {
2361         if (summary_is_locked(summaryview)) return;
2362         summaryview->displayed = NULL;
2363         summary_display_msg_full(summaryview, summaryview->selected, FALSE,
2364                                  all_headers);
2365 }
2366
2367 void summary_redisplay_msg(SummaryView *summaryview)
2368 {
2369         GtkCTreeNode *node;
2370
2371         if (summaryview->displayed) {
2372                 node = summaryview->displayed;
2373                 summaryview->displayed = NULL;
2374                 summary_display_msg(summaryview, node);
2375         }
2376 }
2377
2378 void summary_open_msg(SummaryView *summaryview)
2379 {
2380         if (!summaryview->selected) return;
2381
2382         summary_display_msg_full(summaryview, summaryview->selected,
2383                                  TRUE, FALSE);
2384 }
2385
2386 void summary_view_source(SummaryView * summaryview)
2387 {
2388         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2389         MsgInfo *msginfo;
2390         SourceWindow *srcwin;
2391
2392         if (!summaryview->selected) return;
2393
2394         srcwin = source_window_create();
2395         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
2396         source_window_show_msg(srcwin, msginfo);
2397         source_window_show(srcwin);
2398 }
2399
2400 void summary_reedit(SummaryView *summaryview)
2401 {
2402         MsgInfo *msginfo;
2403
2404         if (!summaryview->selected) return;
2405         if (!summaryview->folder_item) return;
2406         if (summaryview->folder_item->stype != F_OUTBOX &&
2407             summaryview->folder_item->stype != F_DRAFT  &&
2408             summaryview->folder_item->stype != F_QUEUE) return;
2409
2410         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
2411                                               summaryview->selected);
2412         if (!msginfo) return;
2413
2414         compose_reedit(msginfo);
2415 }
2416
2417 void summary_step(SummaryView *summaryview, GtkScrollType type)
2418 {
2419         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2420         GtkCTreeNode *node;
2421
2422         if (summary_is_locked(summaryview)) return;
2423
2424         if (type == GTK_SCROLL_STEP_FORWARD) {
2425                 node = gtkut_ctree_node_next(ctree, summaryview->selected);
2426                 if (node)
2427                         gtkut_ctree_expand_parent_all(ctree, node);
2428                 else
2429                         return;
2430         } else {
2431                 if (summaryview->selected) {
2432                         node = GTK_CTREE_NODE_PREV(summaryview->selected);
2433                         if (!node) return;
2434                 }
2435         }
2436
2437         if (messageview_is_visible(summaryview->messageview))
2438                 summaryview->display_msg = TRUE;
2439
2440         gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
2441                                 type, 0.0);
2442
2443         if (GTK_CLIST(ctree)->selection)
2444                 gtk_sctree_set_anchor_row
2445                         (GTK_SCTREE(ctree),
2446                          GTK_CTREE_NODE(GTK_CLIST(ctree)->selection->data));
2447
2448 }
2449
2450 void summary_toggle_view(SummaryView *summaryview)
2451 {
2452         if (!messageview_is_visible(summaryview->messageview) &&
2453             summaryview->selected)
2454                 summary_display_msg(summaryview,
2455                                     summaryview->selected);
2456         else
2457                 main_window_toggle_message_view(summaryview->mainwin);
2458 }
2459
2460 static gboolean summary_search_unread_recursive(GtkCTree *ctree,
2461                                                 GtkCTreeNode *node)
2462 {
2463         MsgInfo *msginfo;
2464
2465         if (node) {
2466                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
2467                 if (msginfo && MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2468                         return TRUE;
2469                 node = GTK_CTREE_ROW(node)->children;
2470         } else
2471                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
2472
2473         while (node) {
2474                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2475                         return TRUE;
2476                 node = GTK_CTREE_ROW(node)->sibling;
2477         }
2478
2479         return FALSE;
2480 }
2481
2482 static gboolean summary_have_unread_children(SummaryView *summaryview,
2483                                              GtkCTreeNode *node)
2484 {
2485         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2486
2487         if (!node) return FALSE;
2488
2489         node = GTK_CTREE_ROW(node)->children;
2490
2491         while (node) {
2492                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2493                         return TRUE;
2494                 node = GTK_CTREE_ROW(node)->sibling;
2495         }
2496
2497         return FALSE;
2498 }
2499
2500 static void summary_set_row_marks(SummaryView *summaryview, GtkCTreeNode *row)
2501 {
2502         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2503         GtkStyle *style = NULL;
2504         MsgInfo *msginfo;
2505         MsgFlags flags;
2506         gint *col_pos = summaryview->col_pos;
2507
2508         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2509         if (!msginfo) return;
2510
2511         flags = msginfo->flags;
2512
2513         gtk_ctree_node_set_foreground(ctree, row, NULL);
2514
2515         /* set new/unread column */
2516         if (MSG_IS_IGNORE_THREAD(flags)) {
2517                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2518                                           ignorethreadxpm, ignorethreadxpmmask);
2519         } else if (MSG_IS_NEW(flags)) {
2520                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2521                                           newxpm, newxpmmask);
2522         } else if (MSG_IS_UNREAD(flags)) {
2523                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2524                                           unreadxpm, unreadxpmmask);
2525         } else if (MSG_IS_REPLIED(flags)) {
2526                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2527                                           repliedxpm, repliedxpmmask);
2528         } else if (MSG_IS_FORWARDED(flags)) {
2529                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2530                                           forwardedxpm, forwardedxpmmask);
2531         } else {
2532                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_UNREAD],
2533                                         NULL);
2534         }
2535
2536         if (prefs_common.bold_unread &&
2537             ((MSG_IS_UNREAD(flags) && !MSG_IS_IGNORE_THREAD(flags)) ||
2538              (!GTK_CTREE_ROW(row)->expanded &&
2539               GTK_CTREE_ROW(row)->children &&
2540               summary_have_unread_children(summaryview, row))))
2541                 style = bold_style;
2542
2543         /* set mark column */
2544         if (MSG_IS_DELETED(flags)) {
2545                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
2546                                           deletedxpm, deletedxpmmask);
2547                 if (style)
2548                         style = bold_deleted_style;
2549                 else {
2550                         style = small_deleted_style;
2551                 }
2552                         gtk_ctree_node_set_foreground
2553                                 (ctree, row, &summaryview->color_dim);
2554         } else if (MSG_IS_MARKED(flags)) {
2555                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
2556                                           markxpm, markxpmmask);
2557         } else if (MSG_IS_MOVE(flags)) {
2558                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "o");
2559                 if (style)
2560                         style = bold_marked_style;
2561                 else {
2562                         style = small_marked_style;
2563                 }
2564                         gtk_ctree_node_set_foreground
2565                                 (ctree, row, &summaryview->color_marked);
2566         } else if (MSG_IS_COPY(flags)) {
2567                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "O");
2568                 if (style)
2569                         style = bold_marked_style;
2570                 else {
2571                         style = small_marked_style;
2572                 }
2573                         gtk_ctree_node_set_foreground
2574                                 (ctree, row, &summaryview->color_marked);
2575         }
2576         else if ((global_scoring ||
2577                   summaryview->folder_item->prefs->scoring) &&
2578                  (msginfo->score >= summaryview->important_score) &&
2579                  (MSG_IS_MARKED(msginfo->flags) || MSG_IS_MOVE(msginfo->flags) || MSG_IS_COPY(msginfo->flags))) {
2580                 gtk_ctree_node_set_text(ctree, row, S_COL_MARK, "!");
2581                 gtk_ctree_node_set_foreground(ctree, row,
2582                                               &summaryview->color_important);
2583         } else {
2584                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], NULL);
2585         }
2586
2587         if (MSG_IS_LOCKED(flags)) {
2588                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_LOCKED],
2589                                           lockedxpm, lockedxpmmask);
2590         }
2591         else {
2592                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_LOCKED], NULL);
2593         }
2594
2595         if (MSG_IS_MIME(flags) && MSG_IS_ENCRYPTED(flags)) {
2596                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
2597                                           clipkeyxpm, clipkeyxpmmask);
2598         } else if (MSG_IS_ENCRYPTED(flags)) {
2599                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
2600                                           keyxpm, keyxpmmask);
2601         } else if (MSG_IS_MIME(flags)) {
2602                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
2603                                           clipxpm, clipxpmmask);
2604         } else {
2605                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MIME], NULL);
2606         }
2607         if (!style)
2608                 style = small_style;
2609
2610         gtk_ctree_node_set_row_style(ctree, row, style);
2611
2612         if (MSG_GET_COLORLABEL(flags))
2613                 summary_set_colorlabel_color(ctree, row, MSG_GET_COLORLABEL_VALUE(flags));
2614 }
2615
2616 void summary_set_marks_selected(SummaryView *summaryview)
2617 {
2618         GList *cur;
2619
2620         for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL;
2621              cur = cur->next)
2622                 summary_set_row_marks(summaryview, GTK_CTREE_NODE(cur->data));
2623 }
2624
2625 static void summary_mark_row(SummaryView *summaryview, GtkCTreeNode *row)
2626 {
2627         gboolean changed = FALSE;
2628         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2629         MsgInfo *msginfo;
2630
2631         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2632         if (MSG_IS_DELETED(msginfo->flags))
2633                 summaryview->deleted--;
2634         if (MSG_IS_MOVE(msginfo->flags)) {
2635                 summaryview->moved--;
2636                 changed = TRUE;
2637         }
2638         if (MSG_IS_COPY(msginfo->flags)) {
2639                 summaryview->copied--;
2640                 changed = TRUE;
2641         }
2642         if (changed && !prefs_common.immediate_exec) {
2643                 msginfo->to_folder->op_count--;
2644                 if (msginfo->to_folder->op_count == 0)
2645                         folder_update_item(msginfo->to_folder, FALSE);
2646         }
2647         msginfo->to_folder = NULL;
2648         procmsg_msginfo_unset_flags(msginfo, MSG_DELETED, MSG_MOVE | MSG_COPY);
2649         procmsg_msginfo_set_flags(msginfo, MSG_MARKED, 0);
2650         summary_set_row_marks(summaryview, row);
2651         debug_print("Message %s/%d is marked\n", msginfo->folder->path, msginfo->msgnum);
2652 }
2653
2654 static void summary_lock_row(SummaryView *summaryview, GtkCTreeNode *row)
2655 {
2656         /* almost verbatim summary_mark_row(); may want a menu action? */
2657         gboolean changed = FALSE;
2658         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2659         MsgInfo *msginfo;
2660
2661         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2662         if (MSG_IS_DELETED(msginfo->flags))
2663                 summaryview->deleted--;
2664         if (MSG_IS_MOVE(msginfo->flags)) {
2665                 summaryview->moved--;
2666                 changed = TRUE;
2667         }
2668         if (MSG_IS_COPY(msginfo->flags)) {
2669                 summaryview->copied--;
2670                 changed = TRUE;
2671         }
2672         if (changed && !prefs_common.immediate_exec) {
2673                 msginfo->to_folder->op_count--;
2674                 if (msginfo->to_folder->op_count == 0)
2675                         folder_update_item(msginfo->to_folder, FALSE);
2676         }
2677         msginfo->to_folder = NULL;
2678         procmsg_msginfo_unset_flags(msginfo, MSG_DELETED, MSG_MOVE | MSG_COPY);
2679         procmsg_msginfo_set_flags(msginfo, MSG_LOCKED, 0);
2680         summary_set_row_marks(summaryview, row);
2681         debug_print("Message %d is locked\n", msginfo->msgnum);
2682 }
2683
2684 void summary_mark(SummaryView *summaryview)
2685 {
2686         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2687         GList *cur;
2688
2689         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2690                 summary_mark_row(summaryview, GTK_CTREE_NODE(cur->data));
2691
2692         /* summary_step(summaryview, GTK_SCROLL_STEP_FORWARD); */
2693         summary_status_show(summaryview);
2694 }
2695
2696 static void summary_mark_row_as_read(SummaryView *summaryview,
2697                                      GtkCTreeNode *row)
2698 {
2699         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2700         MsgInfo *msginfo;
2701
2702         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2703
2704         if(!MSG_IS_NEW(msginfo->flags) && !MSG_IS_UNREAD(msginfo->flags))
2705                 return;
2706
2707         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2708                 summaryview->newmsgs--;
2709         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2710                 summaryview->unread--;
2711
2712         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2713         summary_set_row_marks(summaryview, row);
2714         debug_print("Message %d is marked as read\n",
2715                 msginfo->msgnum);
2716 }
2717
2718 void summary_mark_as_read(SummaryView *summaryview)
2719 {
2720         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2721         GList *cur;
2722
2723         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2724                 summary_mark_row_as_read(summaryview,
2725                                          GTK_CTREE_NODE(cur->data));
2726         folder_update_items_when_required(FALSE);
2727
2728         summary_status_show(summaryview);
2729 }
2730
2731 void summary_mark_all_read(SummaryView *summaryview)
2732 {
2733         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2734         GtkCList *clist = GTK_CLIST(summaryview->ctree);
2735         GtkCTreeNode *node;
2736
2737         gtk_clist_freeze(clist);
2738         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
2739              node = gtkut_ctree_node_next(ctree, node))
2740                 summary_mark_row_as_read(summaryview, node);
2741         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
2742              node = gtkut_ctree_node_next(ctree, node)) {
2743                 if (!GTK_CTREE_ROW(node)->expanded)
2744                         summary_set_row_marks(summaryview, node);
2745         }
2746         gtk_clist_thaw(clist);
2747         folder_update_items_when_required(FALSE);
2748
2749         summary_status_show(summaryview);
2750 }
2751
2752 static void summary_mark_row_as_unread(SummaryView *summaryview,
2753                                        GtkCTreeNode *row)
2754 {
2755         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2756         MsgInfo *msginfo;
2757
2758         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2759         if (MSG_IS_DELETED(msginfo->flags)) {
2760                 msginfo->to_folder = NULL;
2761                 procmsg_msginfo_unset_flags(msginfo, MSG_DELETED, 0);
2762                 summaryview->deleted--;
2763         }
2764
2765         if (!MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2766                 summaryview->unread++;
2767
2768         procmsg_msginfo_unset_flags(msginfo, MSG_REPLIED | MSG_FORWARDED, 0);
2769         procmsg_msginfo_set_flags(msginfo, MSG_UNREAD, 0);
2770         debug_print("Message %d is marked as unread\n",
2771                 msginfo->msgnum);
2772
2773         summary_set_row_marks(summaryview, row);
2774 }
2775
2776 void summary_mark_as_unread(SummaryView *summaryview)
2777 {
2778         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2779         GList *cur;
2780
2781         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2782                 summary_mark_row_as_unread(summaryview,
2783                                            GTK_CTREE_NODE(cur->data));
2784         folder_update_items_when_required(FALSE);
2785
2786         summary_status_show(summaryview);
2787 }
2788
2789 static gboolean check_permission(SummaryView *summaryview, MsgInfo * msginfo)
2790 {
2791         GList * cur;
2792         gboolean found;
2793
2794         switch (summaryview->folder_item->folder->type) {
2795
2796         case F_NEWS:
2797
2798                 /*
2799                   security : checks if one the accounts correspond to
2800                   the author of the post
2801                 */
2802
2803                 found = FALSE;
2804                 for(cur = account_get_list() ; cur != NULL ; cur = cur->next) {
2805                         PrefsAccount * account;
2806                         gchar * from_name;
2807
2808                         account = cur->data;
2809                         if (account->name && *account->name)
2810                                 from_name =
2811                                         g_strdup_printf("%s <%s>",
2812                                                         account->name,
2813                                                         account->address);
2814                         else
2815                                 from_name =
2816                                         g_strdup_printf("%s",
2817                                                         account->address);
2818
2819                         if (g_strcasecmp(from_name, msginfo->from) == 0) {
2820                                 g_free(from_name);
2821                                 found = TRUE;
2822                                 break;
2823                         }
2824                         g_free(from_name);
2825                 }
2826
2827                 if (!found) {
2828                         alertpanel_error(_("You're not the author of the article\n"));
2829                 }
2830
2831                 return found;
2832
2833         default:
2834                 return TRUE;
2835         }
2836 }
2837
2838 static void summary_delete_row(SummaryView *summaryview, GtkCTreeNode *row)
2839 {
2840         gboolean changed = FALSE;
2841         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2842         MsgInfo *msginfo;
2843
2844         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2845
2846         if (!check_permission(summaryview, msginfo))
2847                 return;
2848
2849         if (MSG_IS_LOCKED(msginfo->flags)) return;
2850
2851         if (MSG_IS_DELETED(msginfo->flags)) return;
2852
2853         if (MSG_IS_MOVE(msginfo->flags)) {
2854                 summaryview->moved--;
2855                 changed = TRUE;
2856         }
2857         if (MSG_IS_COPY(msginfo->flags)) {
2858                 summaryview->copied--;
2859                 changed = TRUE;
2860         }
2861         if (changed && !prefs_common.immediate_exec) {
2862                 msginfo->to_folder->op_count--;
2863                 if (msginfo->to_folder->op_count == 0)
2864                         folder_update_item(msginfo->to_folder, FALSE);
2865         }
2866         msginfo->to_folder = NULL;
2867         procmsg_msginfo_unset_flags(msginfo, MSG_MARKED, MSG_MOVE | MSG_COPY);
2868         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
2869         summaryview->deleted++;
2870
2871         if (!prefs_common.immediate_exec &&
2872             summaryview->folder_item->stype != F_TRASH)
2873                 summary_set_row_marks(summaryview, row);
2874
2875         debug_print("Message %s/%d is set to delete\n",
2876                     msginfo->folder->path, msginfo->msgnum);
2877 }
2878
2879 void summary_cancel(SummaryView *summaryview)
2880 {
2881         MsgInfo * msginfo;
2882         GtkCList *clist = GTK_CLIST(summaryview->ctree);
2883
2884         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
2885                                               summaryview->selected);
2886         if (!msginfo) return;
2887
2888         if (!check_permission(summaryview, msginfo))
2889                 return;
2890
2891         news_cancel_article(summaryview->folder_item->folder, msginfo);
2892
2893         if (summary_is_locked(summaryview)) return;
2894
2895         summary_lock(summaryview);
2896
2897         gtk_clist_freeze(clist);
2898
2899         summary_update_status(summaryview);
2900         summary_status_show(summaryview);
2901
2902         gtk_clist_thaw(clist);
2903
2904         summary_unlock(summaryview);
2905 }
2906
2907 void summary_delete(SummaryView *summaryview)
2908 {
2909         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2910         FolderItem *item = summaryview->folder_item;
2911         GList *cur;
2912         GtkCTreeNode *sel_last = NULL;
2913         GtkCTreeNode *node;
2914
2915         if (!item) return;
2916 #if 0
2917         if (!item || item->folder->type == F_NEWS) return;
2918 #endif
2919
2920         if (summary_is_locked(summaryview)) return;
2921
2922         /* if current folder is trash, ask for confirmation */
2923         if (item->stype == F_TRASH) {
2924                 AlertValue aval;
2925
2926                 aval = alertpanel(_("Delete message(s)"),
2927                                   _("Do you really want to delete message(s) from the trash?"),
2928                                   _("Yes"), _("No"), NULL);
2929                 if (aval != G_ALERTDEFAULT) return;
2930         }
2931
2932         /* next code sets current row focus right. We need to find a row
2933          * that is not deleted. */
2934         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
2935                 sel_last = GTK_CTREE_NODE(cur->data);
2936                 summary_delete_row(summaryview, sel_last);
2937         }
2938
2939         node = summary_find_next_msg(summaryview, sel_last);
2940         if (!node)
2941                 node = summary_find_prev_msg(summaryview, sel_last);
2942
2943         if (node) {
2944                 if (sel_last && node == gtkut_ctree_node_next(ctree, sel_last))
2945                         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
2946                 else if (sel_last && node == GTK_CTREE_NODE_PREV(sel_last))
2947                         summary_step(summaryview, GTK_SCROLL_STEP_BACKWARD);
2948                 else
2949                         summary_select_node
2950                                 (summaryview, node,
2951                                  messageview_is_visible(summaryview->messageview),
2952                                  FALSE);
2953         }
2954
2955         if (prefs_common.immediate_exec || item->stype == F_TRASH)
2956                 summary_execute(summaryview);
2957         else
2958                 summary_status_show(summaryview);
2959 }
2960
2961 void summary_delete_duplicated(SummaryView *summaryview)
2962 {
2963         if (!summaryview->folder_item ||
2964             summaryview->folder_item->folder->type == F_NEWS) return;
2965         if (summaryview->folder_item->stype == F_TRASH) return;
2966
2967         main_window_cursor_wait(summaryview->mainwin);
2968         debug_print("Deleting duplicated messages...");
2969         STATUSBAR_PUSH(summaryview->mainwin,
2970                        _("Deleting duplicated messages..."));
2971
2972         gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
2973                                 GTK_CTREE_FUNC(summary_delete_duplicated_func),
2974                                 summaryview);
2975
2976         if (prefs_common.immediate_exec)
2977                 summary_execute(summaryview);
2978         else
2979                 summary_status_show(summaryview);
2980
2981         debug_print("done.\n");
2982         STATUSBAR_POP(summaryview->mainwin);
2983         main_window_cursor_normal(summaryview->mainwin);
2984 }
2985
2986 static void summary_delete_duplicated_func(GtkCTree *ctree, GtkCTreeNode *node,
2987                                            SummaryView *summaryview)
2988 {
2989         GtkCTreeNode *found;
2990         MsgInfo *msginfo = GTK_CTREE_ROW(node)->row.data;
2991         MsgInfo *dup_msginfo;
2992
2993         if (!msginfo->msgid || !*msginfo->msgid) return;
2994
2995         found = g_hash_table_lookup(summaryview->msgid_table, msginfo->msgid);
2996
2997         if (found && found != node) {
2998                 dup_msginfo = gtk_ctree_node_get_row_data(ctree, found);
2999                 /* prefer to delete the unread one */
3000                 if ((MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_UNREAD(dup_msginfo->flags))
3001                 ||  (MSG_IS_UNREAD(msginfo->flags) == MSG_IS_UNREAD(dup_msginfo->flags)))
3002                         summary_delete_row(summaryview, node);
3003         }
3004 }
3005
3006 static void summary_unmark_row(SummaryView *summaryview, GtkCTreeNode *row)
3007 {
3008         gboolean changed = FALSE;
3009         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3010         MsgInfo *msginfo;
3011
3012         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3013         if (MSG_IS_DELETED(msginfo->flags))
3014                 summaryview->deleted--;
3015         if (MSG_IS_MOVE(msginfo->flags)) {
3016                 summaryview->moved--;
3017                 changed = TRUE;
3018         }
3019         if (MSG_IS_COPY(msginfo->flags)) {
3020                 summaryview->copied--;
3021                 changed = TRUE;
3022         }
3023         if (changed && !prefs_common.immediate_exec) {
3024                 msginfo->to_folder->op_count--;
3025                 if (msginfo->to_folder->op_count == 0)
3026                         folder_update_item(msginfo->to_folder, FALSE);
3027         }
3028         msginfo->to_folder = NULL;
3029         procmsg_msginfo_unset_flags(msginfo, MSG_MARKED | MSG_DELETED, MSG_MOVE | MSG_COPY);
3030         summary_set_row_marks(summaryview, row);
3031
3032         debug_print("Message %s/%d is unmarked\n",
3033                     msginfo->folder->path, msginfo->msgnum);
3034 }
3035
3036 void summary_unmark(SummaryView *summaryview)
3037 {
3038         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3039         GList *cur;
3040
3041         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
3042                 summary_unmark_row(summaryview, GTK_CTREE_NODE(cur->data));
3043
3044         summary_status_show(summaryview);
3045 }
3046
3047 static void summary_move_row_to(SummaryView *summaryview, GtkCTreeNode *row,
3048                                 FolderItem *to_folder)
3049 {
3050         gboolean changed = FALSE;
3051         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3052         MsgInfo *msginfo;
3053
3054         g_return_if_fail(to_folder != NULL);
3055
3056         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3057         if (MSG_IS_MOVE(msginfo->flags)) {
3058                 if (!prefs_common.immediate_exec) {
3059                         msginfo->to_folder->op_count--;
3060                         if (msginfo->to_folder->op_count == 0) {
3061                                 folder_update_item(msginfo->to_folder, FALSE);
3062                                 changed = TRUE;
3063                         }
3064                 }
3065         }
3066         msginfo->to_folder = to_folder;
3067         if (MSG_IS_DELETED(msginfo->flags))
3068                 summaryview->deleted--;
3069         if (MSG_IS_COPY(msginfo->flags)) {
3070                 summaryview->copied--;
3071                 if (!prefs_common.immediate_exec)
3072                         msginfo->to_folder->op_count--;
3073         }
3074         procmsg_msginfo_unset_flags(msginfo, MSG_MARKED | MSG_DELETED, MSG_COPY);
3075         if (!MSG_IS_MOVE(msginfo->flags)) {
3076                 procmsg_msginfo_set_flags(msginfo, 0, MSG_MOVE);
3077                 summaryview->moved++;
3078                 changed = TRUE;
3079         }
3080         if (!prefs_common.immediate_exec) {
3081                 summary_set_row_marks(summaryview, row);
3082                 if (changed) {
3083                         msginfo->to_folder->op_count++;
3084                         if (msginfo->to_folder->op_count == 1)
3085                                 folder_update_item(msginfo->to_folder, FALSE);
3086                 }
3087         }
3088
3089         debug_print("Message %d is set to move to %s\n",
3090                     msginfo->msgnum, to_folder->path);
3091 }
3092
3093 void summary_move_selected_to(SummaryView *summaryview, FolderItem *to_folder)
3094 {
3095         GList *cur;
3096
3097         if (!to_folder) return;
3098         if (!summaryview->folder_item ||
3099             summaryview->folder_item->folder->type == F_NEWS) return;
3100
3101         if (summary_is_locked(summaryview)) return;
3102
3103         if (summaryview->folder_item == to_folder) {
3104                 alertpanel_notice(_("Destination is same as current folder."));
3105                 return;
3106         }
3107
3108         for (cur = GTK_CLIST(summaryview->ctree)->selection;
3109              cur != NULL; cur = cur->next)
3110                 summary_move_row_to
3111                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
3112
3113         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
3114
3115         if (prefs_common.immediate_exec)
3116                 summary_execute(summaryview);
3117         else {
3118                 summary_status_show(summaryview);
3119
3120                 folder_update_item(to_folder, FALSE);
3121         }
3122
3123         if (!summaryview->selected) { /* this was the last message */
3124                 GtkCTreeNode *node = gtk_ctree_node_nth (GTK_CTREE(summaryview->ctree),
3125                                                          GTK_CLIST(summaryview->ctree)->rows - 1);
3126                 if (node)
3127                         summary_select_node(summaryview, node, TRUE, TRUE);
3128         }
3129
3130 }
3131
3132 void summary_move_to(SummaryView *summaryview)
3133 {
3134         FolderItem *to_folder;
3135
3136         if (!summaryview->folder_item ||
3137             summaryview->folder_item->folder->type == F_NEWS) return;
3138
3139         to_folder = foldersel_folder_sel(summaryview->folder_item->folder,
3140                                          FOLDER_SEL_MOVE, NULL);
3141         summary_move_selected_to(summaryview, to_folder);
3142 }
3143
3144 static void summary_copy_row_to(SummaryView *summaryview, GtkCTreeNode *row,
3145                                 FolderItem *to_folder)
3146 {
3147         gboolean changed = FALSE;
3148         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3149         MsgInfo *msginfo;
3150
3151         g_return_if_fail(to_folder != NULL);
3152
3153         msginfo = gtk_ctree_node_get_row_data(ctree, row);
3154         if (MSG_IS_COPY(msginfo->flags)) {
3155                 if (!prefs_common.immediate_exec) {
3156                         msginfo->to_folder->op_count--;
3157                         if (msginfo->to_folder->op_count == 0) {
3158                                 folder_update_item(msginfo->to_folder, FALSE);
3159                                 changed = TRUE;
3160                         }
3161                 }
3162         }
3163         msginfo->to_folder = to_folder;
3164         if (MSG_IS_DELETED(msginfo->flags))
3165                 summaryview->deleted--;
3166         if (MSG_IS_MOVE(msginfo->flags)) {
3167                 summaryview->moved--;
3168                 if (!prefs_common.immediate_exec)
3169                         msginfo->to_folder->op_count--;
3170         }
3171         procmsg_msginfo_unset_flags(msginfo, MSG_MARKED | MSG_DELETED, MSG_MOVE);
3172         if (!MSG_IS_COPY(msginfo->flags)) {
3173                 procmsg_msginfo_set_flags(msginfo, 0, MSG_COPY);
3174                 summaryview->copied++;
3175                 changed = TRUE;
3176         }
3177         if (!prefs_common.immediate_exec) {
3178                 summary_set_row_marks(summaryview, row);
3179                 if (changed) {
3180                         msginfo->to_folder->op_count++;
3181                         if (msginfo->to_folder->op_count == 1)
3182                                 folder_update_item(msginfo->to_folder, FALSE);
3183                 }
3184         }
3185
3186         debug_print("Message %d is set to copy to %s\n",
3187                     msginfo->msgnum, to_folder->path);
3188 }
3189
3190 void summary_copy_selected_to(SummaryView *summaryview, FolderItem *to_folder)
3191 {
3192         GList *cur;
3193
3194         if (!to_folder) return;
3195         if (!summaryview->folder_item) return;
3196
3197         if (summary_is_locked(summaryview)) return;
3198
3199         if (summaryview->folder_item == to_folder) {
3200                 alertpanel_notice
3201                         (_("Destination to copy is same as current folder."));
3202                 return;
3203         }
3204
3205         for (cur = GTK_CLIST(summaryview->ctree)->selection;
3206              cur != NULL; cur = cur->next)
3207                 summary_copy_row_to
3208                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
3209
3210         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
3211
3212         if (prefs_common.immediate_exec)
3213                 summary_execute(summaryview);
3214         else {
3215                 summary_status_show(summaryview);
3216
3217                 folder_update_item(to_folder, FALSE);
3218         }
3219 }
3220
3221 void summary_copy_to(SummaryView *summaryview)
3222 {
3223         FolderItem *to_folder;
3224
3225         if (!summaryview->folder_item) return;
3226
3227         to_folder = foldersel_folder_sel(summaryview->folder_item->folder,
3228                                          FOLDER_SEL_COPY, NULL);
3229         summary_copy_selected_to(summaryview, to_folder);
3230 }
3231
3232 void summary_add_address(SummaryView *summaryview)
3233 {
3234         MsgInfo *msginfo;
3235         gchar *from;
3236
3237         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
3238                                               summaryview->selected);
3239         if (!msginfo) return;
3240
3241         Xstrdup_a(from, msginfo->from, return);
3242         eliminate_address_comment(from);
3243         extract_address(from);
3244         addressbook_add_contact(msginfo->fromname, from, NULL);
3245 }
3246
3247 void summary_select_all(SummaryView *summaryview)
3248 {
3249         if (summaryview->messages >= 500) {
3250                 STATUSBAR_PUSH(summaryview->mainwin,
3251                                _("Selecting all messages..."));
3252                 main_window_cursor_wait(summaryview->mainwin);
3253         }
3254
3255         gtk_clist_select_all(GTK_CLIST(summaryview->ctree));
3256
3257         if (summaryview->messages >= 500) {
3258                 STATUSBAR_POP(summaryview->mainwin);
3259                 main_window_cursor_normal(summaryview->mainwin);
3260         }
3261 }
3262
3263 void summary_unselect_all(SummaryView *summaryview)
3264 {
3265         gtk_sctree_unselect_all(GTK_SCTREE(summaryview->ctree));
3266 }
3267
3268 void summary_select_thread(SummaryView *summaryview)
3269 {
3270         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3271         GtkCTreeNode *node = summaryview->selected;
3272
3273         if (!node) return;
3274
3275         while (GTK_CTREE_ROW(node)->parent != NULL)
3276                 node = GTK_CTREE_ROW(node)->parent;
3277
3278         if (node != summaryview->selected)
3279                 summary_select_node
3280                         (summaryview, node,
3281                          messageview_is_visible(summaryview->messageview),
3282                          FALSE);
3283
3284         gtk_ctree_select_recursive(ctree, node);
3285
3286         summary_status_show(summaryview);
3287 }
3288
3289 void summary_save_as(SummaryView *summaryview)
3290 {
3291         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3292         MsgInfo *msginfo;
3293         gchar *filename = NULL;
3294         gchar *src, *dest;
3295
3296         AlertValue aval;
3297
3298         if (!summaryview->selected) return;
3299         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
3300         if&nbs