src/summaryview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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
  50 #include "intl.h"
  51 #include "main.h"
  52 #include "menu.h"
  53 #include "mainwindow.h"
  54 #include "folderview.h"
  55 #include "summaryview.h"
  56 #include "messageview.h"
  57 #include "foldersel.h"
  58 #include "procmsg.h"
  59 #include "procheader.h"
  60 #include "headerwindow.h"
  61 #include "sourcewindow.h"
  62 #include "prefs_common.h"
  63 #include "prefs_summary_column.h"
  64 #include "account.h"
  65 #include "compose.h"
  66 #include "utils.h"
  67 #include "gtkutils.h"
  68 #include "filesel.h"
  69 #include "manage_window.h"
  70 #include "alertpanel.h"
  71 #include "inputdialog.h"
  72 #include "statusbar.h"
  73 #include "filter.h"
  74 #include "folder.h"
  75 #include "colorlabel.h"
  76 #include "inc.h"
  77 #include "addressbook.h"
  78 #include "addr_compl.h"
  79 #include "scoring.h"
  80 #include "prefs_folder_item.h"
  81 #include "filtering.h"
  82
  83 #include "pixmaps/dir-open.xpm"
  84 #include "pixmaps/mark.xpm"
  85 #include "pixmaps/deleted.xpm"
  86 #include "pixmaps/new.xpm"
  87 #include "pixmaps/unread.xpm"
  88 #include "pixmaps/replied.xpm"
  89 #include "pixmaps/forwarded.xpm"
  90 #include "pixmaps/clip.xpm"
  91 #include "pixmaps/ignorethread.xpm"
  92 #include "pixmaps/locked.xpm"
  93
  94 #define STATUSBAR_PUSH(mainwin, str) \
  95 { \
  96         gtk_statusbar_push(GTK_STATUSBAR(mainwin->statusbar), \
  97                            mainwin->summaryview_cid, str); \
  98         gtkut_widget_wait_for_draw(mainwin->hbox_stat); \
  99 }
 100
 101 #define STATUSBAR_POP(mainwin) \
 102 { \
 103         gtk_statusbar_pop(GTK_STATUSBAR(mainwin->statusbar), \
 104                           mainwin->summaryview_cid); \
 105 }
 106
 107 #define SUMMARY_COL_MARK_WIDTH          10
 108 #define SUMMARY_COL_UNREAD_WIDTH        13
 109 #define SUMMARY_COL_LOCKED_WIDTH        13
 110 #define SUMMARY_COL_MIME_WIDTH          10
 111
 112 static GdkFont *boldfont;
 113 static GdkFont *smallfont;
 114
 115 static GtkStyle *bold_style;
 116 static GtkStyle *bold_marked_style;
 117 static GtkStyle *bold_deleted_style;
 118 static GtkStyle *small_style;
 119 static GtkStyle *small_marked_style;
 120 static GtkStyle *small_deleted_style;
 121
 122 static GdkPixmap *folderxpm;
 123 static GdkBitmap *folderxpmmask;
 124
 125 static GdkPixmap *markxpm;
 126 static GdkBitmap *markxpmmask;
 127 static GdkPixmap *deletedxpm;
 128 static GdkBitmap *deletedxpmmask;
 129
 130 static GdkPixmap *newxpm;
 131 static GdkBitmap *newxpmmask;
 132 static GdkPixmap *unreadxpm;
 133 static GdkBitmap *unreadxpmmask;
 134 static GdkPixmap *repliedxpm;
 135 static GdkBitmap *repliedxpmmask;
 136 static GdkPixmap *forwardedxpm;
 137 static GdkBitmap *forwardedxpmmask;
 138 static GdkPixmap *ignorethreadxpm;
 139 static GdkBitmap *ignorethreadxpmmask;
 140 static GdkPixmap *lockedxpm;
 141 static GdkBitmap *lockedxpmmask;
 142
 143 static GdkPixmap *clipxpm;
 144 static GdkBitmap *clipxpmmask;
 145
 146 static void summary_free_msginfo_func   (GtkCTree               *ctree,
 147                                          GtkCTreeNode           *node,
 148                                          gpointer                data);
 149 static void summary_set_marks_func      (GtkCTree               *ctree,
 150                                          GtkCTreeNode           *node,
 151                                          gpointer                data);
 152 static void summary_write_cache_func    (GtkCTree               *ctree,
 153                                          GtkCTreeNode           *node,
 154                                          gpointer                data);
 155
 156 static void summary_set_menu_sensitive  (SummaryView            *summaryview);
 157
 158 static guint summary_get_msgnum         (SummaryView            *summaryview,
 159                                          GtkCTreeNode           *node);
 160
 161 static GtkCTreeNode *summary_find_prev_msg
 162                                         (SummaryView            *summaryview,
 163                                          GtkCTreeNode           *current_node);
 164 static GtkCTreeNode *summary_find_next_msg
 165                                         (SummaryView            *summaryview,
 166                                          GtkCTreeNode           *current_node);
 167 static GtkCTreeNode *summary_find_prev_unread_msg
 168                                         (SummaryView            *summaryview,
 169                                          GtkCTreeNode           *current_node);
 170 static GtkCTreeNode *summary_find_next_unread_msg
 171                                         (SummaryView            *summaryview,
 172                                          GtkCTreeNode           *current_node);
 173 static GtkCTreeNode *summary_find_prev_marked_msg
 174                                         (SummaryView            *summaryview,
 175                                          GtkCTreeNode           *current_node);
 176 static GtkCTreeNode *summary_find_next_marked_msg
 177                                         (SummaryView            *summaryview,
 178                                          GtkCTreeNode           *current_node);
 179 static GtkCTreeNode *summary_find_prev_labeled_msg
 180                                         (SummaryView            *summaryview,
 181                                          GtkCTreeNode           *current_node);
 182 static GtkCTreeNode *summary_find_next_labeled_msg
 183                                         (SummaryView            *summaryview,
 184                                          GtkCTreeNode           *current_node);
 185 static GtkCTreeNode *summary_find_msg_by_msgnum
 186                                         (SummaryView            *summaryview,
 187                                          guint                   msgnum);
 188
 189 static void summary_update_status       (SummaryView            *summaryview);
 190
 191 /* display functions */
 192 static void summary_status_show         (SummaryView            *summaryview);
 193 static void summary_set_column_titles   (SummaryView            *summaryview);
 194 static void summary_set_ctree_from_list (SummaryView            *summaryview,
 195                                          GSList                 *mlist);
 196 static void summary_set_header          (SummaryView            *summaryview,
 197                                          gchar                  *text[],
 198                                          MsgInfo                *msginfo);
 199 static void summary_display_msg         (SummaryView            *summaryview,
 200                                          GtkCTreeNode           *row,
 201                                          gboolean                new_window);
 202 static void summary_toggle_view         (SummaryView            *summaryview);
 203 static void summary_set_row_marks       (SummaryView            *summaryview,
 204                                          GtkCTreeNode           *row);
 205
 206 /* message handling */
 207 static void summary_mark_row            (SummaryView            *summaryview,
 208                                          GtkCTreeNode           *row);
 209 static void summary_lock_row            (SummaryView            *summaryview,
 210                                          GtkCTreeNode           *row);
 211 static void summary_mark_row_as_read    (SummaryView            *summaryview,
 212                                          GtkCTreeNode           *row);
 213 static void summary_mark_row_as_unread  (SummaryView            *summaryview,
 214                                          GtkCTreeNode           *row);
 215 static void summary_delete_row          (SummaryView            *summaryview,
 216                                          GtkCTreeNode           *row);
 217 static void summary_unmark_row          (SummaryView            *summaryview,
 218                                          GtkCTreeNode           *row);
 219 static void summary_move_row_to         (SummaryView            *summaryview,
 220                                          GtkCTreeNode           *row,
 221                                          FolderItem             *to_folder);
 222 static void summary_copy_row_to         (SummaryView            *summaryview,
 223                                          GtkCTreeNode           *row,
 224                                          FolderItem             *to_folder);
 225
 226 static void summary_delete_duplicated_func
 227                                         (GtkCTree               *ctree,
 228                                          GtkCTreeNode           *node,
 229                                          SummaryView            *summaryview);
 230
 231 static void summary_execute_move        (SummaryView            *summaryview);
 232 static void summary_execute_move_func   (GtkCTree               *ctree,
 233                                          GtkCTreeNode           *node,
 234                                          gpointer                data);
 235 static void summary_execute_copy        (SummaryView            *summaryview);
 236 static void summary_execute_copy_func   (GtkCTree               *ctree,
 237                                          GtkCTreeNode           *node,
 238                                          gpointer                data);
 239 static void summary_execute_delete      (SummaryView            *summaryview);
 240 static void summary_execute_delete_func (GtkCTree               *ctree,
 241                                          GtkCTreeNode           *node,
 242                                          gpointer                data);
 243
 244 static void summary_thread_init         (SummaryView            *summaryview);
 245 static void summary_ignore_thread       (SummaryView  *summaryview);
 246 static void summary_unignore_thread     (SummaryView *summaryview);
 247
 248 static void summary_unthread_for_exec           (SummaryView    *summaryview);
 249 static void summary_unthread_for_exec_func      (GtkCTree       *ctree,
 250                                                  GtkCTreeNode   *node,
 251                                                  gpointer        data);
 252
 253 static void summary_filter_func         (GtkCTree               *ctree,
 254                                          GtkCTreeNode           *node,
 255                                          gpointer                data);
 256
 257 static void summary_colorlabel_menu_item_activate_cb
 258                                           (GtkWidget    *widget,
 259                                            gpointer      data);
 260 static void summary_colorlabel_menu_item_activate_item_cb
 261                                           (GtkMenuItem  *label_menu_item,
 262                                            gpointer      data);
 263 static void summary_colorlabel_menu_create(SummaryView  *summaryview);
 264
 265 static GtkWidget *summary_ctree_create  (SummaryView    *summaryview);
 266
 267 /* callback functions */
 268 static void summary_toggle_pressed      (GtkWidget              *eventbox,
 269                                          GdkEventButton         *event,
 270                                          SummaryView            *summaryview);
 271 static void summary_button_pressed      (GtkWidget              *ctree,
 272                                          GdkEventButton         *event,
 273                                          SummaryView            *summaryview);
 274 static void summary_button_released     (GtkWidget              *ctree,
 275                                          GdkEventButton         *event,
 276                                          SummaryView            *summaryview);
 277 static void summary_key_pressed         (GtkWidget              *ctree,
 278                                          GdkEventKey            *event,
 279                                          SummaryView            *summaryview);
 280 static void summary_open_row            (GtkSCTree              *sctree,
 281                                          SummaryView            *summaryview);
 282 static void summary_tree_expanded       (GtkCTree               *ctree,
 283                                          GtkCTreeNode           *node,
 284                                          SummaryView            *summaryview);
 285 static void summary_tree_collapsed      (GtkCTree               *ctree,
 286                                          GtkCTreeNode           *node,
 287                                          SummaryView            *summaryview);
 288 static void summary_selected            (GtkCTree               *ctree,
 289                                          GtkCTreeNode           *row,
 290                                          gint                    column,
 291                                          SummaryView            *summaryview);
 292 static void summary_col_resized         (GtkCList               *clist,
 293                                          gint                    column,
 294                                          gint                    width,
 295                                          SummaryView            *summaryview);
 296 static void summary_reply_cb            (SummaryView            *summaryview,
 297                                          guint                   action,
 298                                          GtkWidget              *widget);
 299 static void summary_execute_cb          (SummaryView            *summaryview,
 300                                          guint                   action,
 301                                          GtkWidget              *widget);
 302 static void summary_show_all_header_cb  (SummaryView            *summaryview,
 303                                          guint                   action,
 304                                          GtkWidget              *widget);
 305
 306 static void summary_add_address_cb      (SummaryView            *summaryview,
 307                                          guint                   action,
 308                                          GtkWidget              *widget);
 309
 310 static void summary_mark_clicked        (GtkWidget              *button,
 311                                          SummaryView            *summaryview);
 312 static void summary_unread_clicked      (GtkWidget              *button,
 313                                          SummaryView            *summaryview);
 314 static void summary_mime_clicked        (GtkWidget              *button,
 315                                          SummaryView            *summaryview);
 316 static void summary_num_clicked         (GtkWidget              *button,
 317                                          SummaryView            *summaryview);
 318 static void summary_score_clicked       (GtkWidget *button,
 319                                          SummaryView *summaryview);
 320 static void summary_size_clicked        (GtkWidget              *button,
 321                                          SummaryView            *summaryview);
 322 static void summary_date_clicked        (GtkWidget              *button,
 323                                          SummaryView            *summaryview);
 324 static void summary_from_clicked        (GtkWidget              *button,
 325                                          SummaryView            *summaryview);
 326 static void summary_subject_clicked     (GtkWidget              *button,
 327                                          SummaryView            *summaryview);
 328 static void summary_score_clicked       (GtkWidget              *button,
 329                                          SummaryView            *summaryview);
 330 static void summary_locked_clicked      (GtkWidget              *button,
 331                                          SummaryView            *summaryview);
 332
 333 static void summary_start_drag          (GtkWidget        *widget,
 334                                          int button,
 335                                          GdkEvent *event,
 336                                          SummaryView      *summaryview);
 337 static void summary_drag_data_get       (GtkWidget        *widget,
 338                                          GdkDragContext   *drag_context,
 339                                          GtkSelectionData *selection_data,
 340                                          guint             info,
 341                                          guint             time,
 342                                          SummaryView      *summaryview);
 343
 344 /* custom compare functions for sorting */
 345
 346 static gint summary_cmp_by_mark         (GtkCList               *clist,
 347                                          gconstpointer           ptr1,
 348                                          gconstpointer           ptr2);
 349 static gint summary_cmp_by_unread       (GtkCList               *clist,
 350                                          gconstpointer           ptr1,
 351                                          gconstpointer           ptr2);
 352 static gint summary_cmp_by_mime         (GtkCList               *clist,
 353                                          gconstpointer           ptr1,
 354                                          gconstpointer           ptr2);
 355 static gint summary_cmp_by_num          (GtkCList               *clist,
 356                                          gconstpointer           ptr1,
 357                                          gconstpointer           ptr2);
 358 static gint summary_cmp_by_size         (GtkCList               *clist,
 359                                          gconstpointer           ptr1,
 360                                          gconstpointer           ptr2);
 361 static gint summary_cmp_by_date         (GtkCList               *clist,
 362                                          gconstpointer           ptr1,
 363                                          gconstpointer           ptr2);
 364 static gint summary_cmp_by_from         (GtkCList               *clist,
 365                                          gconstpointer           ptr1,
 366                                          gconstpointer           ptr2);
 367 static gint summary_cmp_by_subject      (GtkCList               *clist,
 368                                          gconstpointer           ptr1,
 369                                          gconstpointer           ptr2);
 370 static gint summary_cmp_by_score        (GtkCList               *clist,
 371                                          gconstpointer           ptr1,
 372                                          gconstpointer           ptr2);
 373 static gint summary_cmp_by_locked       (GtkCList *clist,
 374                                          gconstpointer ptr1, gconstpointer ptr2);
 375 static gint summary_cmp_by_label        (GtkCList               *clist,
 376                                          gconstpointer           ptr1,
 377                                          gconstpointer           ptr2);
 378
 379 #if MARK_ALL_READ
 380 static void summary_mark_all_read (SummaryView *summaryview);
 381 #endif
 382
 383 GtkTargetEntry summary_drag_types[1] =
 384 {
 385         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 386 };
 387
 388 static GtkItemFactoryEntry summary_popup_entries[] =
 389 {
 390         {N_("/_Reply"),                 NULL, summary_reply_cb, COMPOSE_REPLY, NULL},
 391         {N_("/Repl_y to sender"),       NULL, summary_reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
 392         {N_("/Follow-up and reply to"), NULL, summary_reply_cb, COMPOSE_FOLLOWUP_AND_REPLY_TO, NULL},
 393         {N_("/Reply to a_ll"),          NULL, summary_reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
 394         {N_("/_Forward"),               NULL, summary_reply_cb, COMPOSE_FORWARD, NULL},
 395         {N_("/Forward as a_ttachment"),
 396                                         NULL, summary_reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
 397         {N_("/Bounce"),                 NULL, summary_reply_cb, COMPOSE_BOUNCE, NULL},
 398         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 399         {N_("/Re-_edit"),               NULL, summary_reedit,   0, NULL},
 400         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 401         {N_("/M_ove..."),               NULL, summary_move_to,  0, NULL},
 402         {N_("/_Copy..."),               NULL, summary_copy_to,  0, NULL},
 403         {N_("/_Delete"),                NULL, summary_delete,   0, NULL},
 404         {N_("/E_xecute"),               NULL, summary_execute_cb,       0, NULL},
 405         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 406         {N_("/_Mark"),                  NULL, NULL,             0, "<Branch>"},
 407         {N_("/_Mark/_Mark"),            NULL, summary_mark,     0, NULL},
 408         {N_("/_Mark/_Unmark"),          NULL, summary_unmark,   0, NULL},
 409         {N_("/_Mark/---"),              NULL, NULL,             0, "<Separator>"},
 410         {N_("/_Mark/Mark as unr_ead"),  NULL, summary_mark_as_unread, 0, NULL},
 411         {N_("/_Mark/Mark as rea_d"),    NULL, summary_mark_as_read, 0, NULL},
 412         {N_("/_Mark/Mark all read"),    NULL, summary_mark_all_read, 0, NULL},
 413         {N_("/_Mark/Ignore thread"),    NULL, summary_ignore_thread, 0, NULL},
 414         {N_("/_Mark/Unignore thread"),  NULL, summary_unignore_thread, 0, NULL},
 415         {N_("/Color la_bel"),           NULL, NULL,             0, NULL},
 416
 417         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 418         {N_("/Add sender to address boo_k"),
 419                                         NULL, summary_add_address_cb, 0, NULL},
 420         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 421         {N_("/_View"),                  NULL, NULL,             0, "<Branch>"},
 422         {N_("/_View/Open in new _window"),
 423                                         NULL, summary_open_msg, 0, NULL},
 424         {N_("/_View/_Source"),          NULL, summary_view_source, 0, NULL},
 425         {N_("/_View/All _header"),      NULL, summary_show_all_header_cb, 0, NULL},
 426         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 427         {N_("/_Save as..."),            NULL, summary_save_as,  0, NULL},
 428         {N_("/_Print..."),              NULL, summary_print,    0, NULL},
 429         {N_("/---"),                    NULL, NULL,             0, "<Separator>"},
 430         {N_("/Select _all"),            NULL, summary_select_all, 0, NULL}
 431 };
 432
 433 static const gchar *const col_label[N_SUMMARY_COLS] = {
 434         N_("M"),        /* S_COL_MARK    */
 435         N_("U"),        /* S_COL_UNREAD  */
 436         "",             /* S_COL_MIME    */
 437         N_("Subject"),  /* S_COL_SUBJECT */
 438         N_("From"),     /* S_COL_FROM    */
 439         N_("Date"),     /* S_COL_DATE    */
 440         N_("Size"),     /* S_COL_SIZE    */
 441         N_("No."),      /* S_COL_NUMBER  */
 442         N_("Score"),    /* S_COL_SCORE   */
 443         N_("L")         /* S_COL_LOCKED  */
 444 };
 445
 446 SummaryView *summary_create(void)
 447 {
 448         SummaryView *summaryview;
 449         GtkWidget *vbox;
 450         GtkWidget *scrolledwin;
 451         GtkWidget *ctree;
 452         GtkWidget *hbox;
 453         GtkWidget *statlabel_folder;
 454         GtkWidget *statlabel_select;
 455         GtkWidget *statlabel_msgs;
 456         GtkWidget *toggle_eventbox;
 457         GtkWidget *toggle_arrow;
 458         GtkWidget *popupmenu;
 459         GtkItemFactory *popupfactory;
 460         gint n_entries;
 461
 462         debug_print(_("Creating summary view...\n"));
 463         summaryview = g_new0(SummaryView, 1);
 464
 465         vbox = gtk_vbox_new(FALSE, 2);
 466
 467         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 468         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 469                                        GTK_POLICY_AUTOMATIC,
 470                                        GTK_POLICY_ALWAYS);
 471         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 472         gtk_widget_set_usize(vbox,
 473                              prefs_common.summaryview_width,
 474                              prefs_common.summaryview_height);
 475
 476         ctree = summary_ctree_create(summaryview);
 477
 478         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 479                                             GTK_CLIST(ctree)->hadjustment);
 480         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 481                                             GTK_CLIST(ctree)->vadjustment);
 482         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 483
 484         /* create status label */
 485         hbox = gtk_hbox_new(FALSE, 0);
 486         gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 487
 488         statlabel_folder = gtk_label_new("");
 489         gtk_box_pack_start(GTK_BOX(hbox), statlabel_folder, FALSE, FALSE, 2);
 490         statlabel_select = gtk_label_new("");
 491         gtk_box_pack_start(GTK_BOX(hbox), statlabel_select, FALSE, FALSE, 16);
 492
 493         /* toggle view button */
 494         toggle_eventbox = gtk_event_box_new();
 495         gtk_box_pack_end(GTK_BOX(hbox), toggle_eventbox, FALSE, FALSE, 4);
 496         toggle_arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 497         gtk_container_add(GTK_CONTAINER(toggle_eventbox), toggle_arrow);
 498         gtk_signal_connect(GTK_OBJECT(toggle_eventbox), "button_press_event",
 499                            GTK_SIGNAL_FUNC(summary_toggle_pressed),
 500                            summaryview);
 501
 502         statlabel_msgs = gtk_label_new("");
 503         gtk_box_pack_end(GTK_BOX(hbox), statlabel_msgs, FALSE, FALSE, 4);
 504
 505         /* create popup menu */
 506         n_entries = sizeof(summary_popup_entries) /
 507                 sizeof(summary_popup_entries[0]);
 508         popupmenu = menu_create_items(summary_popup_entries, n_entries,
 509                                       "<SummaryView>", &popupfactory,
 510                                       summaryview);
 511
 512         summaryview->vbox = vbox;
 513         summaryview->scrolledwin = scrolledwin;
 514         summaryview->ctree = ctree;
 515         summaryview->hbox = hbox;
 516         summaryview->statlabel_folder = statlabel_folder;
 517         summaryview->statlabel_select = statlabel_select;
 518         summaryview->statlabel_msgs = statlabel_msgs;
 519         summaryview->toggle_eventbox = toggle_eventbox;
 520         summaryview->toggle_arrow = toggle_arrow;
 521         summaryview->popupmenu = popupmenu;
 522         summaryview->popupfactory = popupfactory;
 523         summaryview->msg_is_toggled_on = TRUE;
 524         summaryview->lock_count = 0;
 525         summaryview->sort_mode = SORT_BY_NONE;
 526         summaryview->sort_type = GTK_SORT_ASCENDING;
 527
 528         gtk_widget_show_all(vbox);
 529
 530         return summaryview;
 531 }
 532
 533 void summary_init(SummaryView *summaryview)
 534 {
 535         GtkStyle *style;
 536         GtkWidget *pixmap;
 537
 538         PIXMAP_CREATE(summaryview->ctree, markxpm, markxpmmask, mark_xpm);
 539         PIXMAP_CREATE(summaryview->ctree, deletedxpm, deletedxpmmask,
 540                       deleted_xpm);
 541         PIXMAP_CREATE(summaryview->ctree, newxpm, newxpmmask, new_xpm);
 542         PIXMAP_CREATE(summaryview->ctree, unreadxpm, unreadxpmmask, unread_xpm);
 543         PIXMAP_CREATE(summaryview->ctree, repliedxpm, repliedxpmmask,
 544                       replied_xpm);
 545         PIXMAP_CREATE(summaryview->ctree, forwardedxpm, forwardedxpmmask,
 546                       forwarded_xpm);
 547         PIXMAP_CREATE(summaryview->ctree, ignorethreadxpm, ignorethreadxpmmask,
 548                       ignorethread_xpm);
 549         PIXMAP_CREATE(summaryview->ctree, lockedxpm, lockedxpmmask, locked_xpm);
 550         PIXMAP_CREATE(summaryview->ctree, clipxpm, clipxpmmask, clip_xpm);
 551         PIXMAP_CREATE(summaryview->hbox, folderxpm, folderxpmmask,
 552                       dir_open_xpm);
 553
 554         if (!small_style) {
 555                 small_style = gtk_style_copy
 556                         (gtk_widget_get_style(summaryview->ctree));
 557                 if (!smallfont)
 558                         smallfont = gdk_fontset_load(SMALL_FONT);
 559                 small_style->font = smallfont;
 560                 small_marked_style = gtk_style_copy(small_style);
 561                 small_marked_style->fg[GTK_STATE_NORMAL] =
 562                         summaryview->color_marked;
 563                 small_deleted_style = gtk_style_copy(small_style);
 564                 small_deleted_style->fg[GTK_STATE_NORMAL] =
 565                         summaryview->color_dim;
 566         }
 567         if (!bold_style) {
 568                 bold_style = gtk_style_copy
 569                         (gtk_widget_get_style(summaryview->ctree));
 570                 if (!boldfont)
 571                         boldfont = gdk_fontset_load(BOLD_FONT);
 572                 bold_style->font = boldfont;
 573                 bold_marked_style = gtk_style_copy(bold_style);
 574                 bold_marked_style->fg[GTK_STATE_NORMAL] =
 575                         summaryview->color_marked;
 576                 bold_deleted_style = gtk_style_copy(bold_style);
 577                 bold_deleted_style->fg[GTK_STATE_NORMAL] =
 578                         summaryview->color_dim;
 579         }
 580
 581         style = gtk_style_copy(gtk_widget_get_style
 582                                 (summaryview->statlabel_folder));
 583
 584         gtk_widget_set_style(summaryview->statlabel_folder, style);
 585         gtk_widget_set_style(summaryview->statlabel_select, style);
 586         gtk_widget_set_style(summaryview->statlabel_msgs, style);
 587
 588         pixmap = gtk_pixmap_new(folderxpm, folderxpmmask);
 589         gtk_box_pack_start(GTK_BOX(summaryview->hbox), pixmap, FALSE, FALSE, 4);
 590         gtk_box_reorder_child(GTK_BOX(summaryview->hbox), pixmap, 0);
 591         gtk_widget_show(pixmap);
 592
 593         summary_clear_list(summaryview);
 594         summary_set_column_titles(summaryview);
 595         summary_colorlabel_menu_create(summaryview);
 596         summary_set_menu_sensitive(summaryview);
 597
 598 }
 599
 600 GtkCTreeNode * summary_find_next_important_score(SummaryView *summaryview,
 601                                                  GtkCTreeNode *current_node)
 602 {
 603         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 604         GtkCTreeNode *node;
 605         MsgInfo *msginfo;
 606         gint best_score = MIN_SCORE;
 607         GtkCTreeNode *best_node = NULL;
 608
 609         if (current_node)
 610                 /*node = current_node;*/
 611                 node = GTK_CTREE_NODE_NEXT(current_node);
 612         else
 613                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 614
 615         for (; node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 616                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
 617                 if (msginfo->score >= summaryview->important_score)
 618                         break;
 619                 if (msginfo->score > best_score) {
 620                         best_score = msginfo->score;
 621                         best_node = node;
 622                 }
 623         }
 624
 625         if (node != NULL)
 626                 return node;
 627         else
 628                 return best_node;
 629 }
 630
 631 GtkCTreeNode * summary_find_prev_important_score(SummaryView *summaryview,
 632                                                  GtkCTreeNode *current_node)
 633 {
 634         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 635         GtkCTreeNode *node;
 636         MsgInfo *msginfo;
 637         gint best_score = MIN_SCORE;
 638         GtkCTreeNode *best_node = NULL;
 639
 640         if (current_node)
 641                 /*node = current_node;*/
 642                 node = GTK_CTREE_NODE_PREV(current_node);
 643         else
 644                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 645
 646         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
 647                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
 648                 if (msginfo->score >= summaryview->important_score)
 649                         break;
 650                 if (msginfo->score > best_score) {
 651                         best_score = msginfo->score;
 652                         best_node = node;
 653                 }
 654         }
 655
 656         if (node != NULL)
 657                 return node;
 658         else
 659                 return best_node;
 660 }
 661
 662 gboolean summary_show(SummaryView *summaryview, FolderItem *item,
 663                       gboolean update_cache)
 664 {
 665         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 666         GtkCTreeNode *node;
 667         GSList *mlist = NULL;
 668         gchar *buf;
 669         gboolean is_refresh;
 670         guint selected_msgnum = 0;
 671         guint displayed_msgnum = 0;
 672         GtkCTreeNode *selected_node = summaryview->folderview->selected;
 673         GSList *cur;
 674         gint sort_mode;
 675         gint sort_type;
 676         static gboolean locked = FALSE;
 677
 678         if (summary_is_locked(summaryview)) return FALSE;
 679
 680         inc_lock();
 681         summary_lock(summaryview);
 682
 683         STATUSBAR_POP(summaryview->mainwin);
 684
 685         is_refresh = (!prefs_common.open_inbox_on_inc &&
 686                       item == summaryview->folder_item &&
 687                       update_cache == FALSE) ? TRUE : FALSE;
 688         if (is_refresh) {
 689                 selected_msgnum = summary_get_msgnum(summaryview,
 690                                                      summaryview->selected);
 691                 displayed_msgnum = summary_get_msgnum(summaryview,
 692                                                       summaryview->displayed);
 693         }
 694
 695         /* process the marks if any */
 696         if (summaryview->mainwin->lock_count == 0 &&
 697             (summaryview->moved > 0 || summaryview->copied > 0)) {
 698                 AlertValue val;
 699
 700                 val = alertpanel(_("Process mark"),
 701                                  _("Some marks are left. Process it?"),
 702                                  _("Yes"), _("No"), _("Cancel"));
 703                 if (G_ALERTDEFAULT == val)
 704                         summary_execute(summaryview);
 705                 else if (G_ALERTALTERNATE == val)
 706                         summary_write_cache(summaryview);
 707                 else {
 708                         summary_unlock(summaryview);
 709                         inc_unlock();
 710                         return FALSE;
 711                 }
 712                 folder_update_op_count();
 713         }
 714         else if (!summaryview->filtering_happened) {
 715                 summary_write_cache(summaryview);
 716         }
 717
 718         summaryview->filtering_happened = FALSE;
 719
 720         summaryview->folderview->opened = selected_node;
 721
 722         gtk_clist_freeze(GTK_CLIST(ctree));
 723
 724         summary_clear_list(summaryview);
 725         summary_set_column_titles(summaryview);
 726         summary_set_menu_sensitive(summaryview);
 727         if (!is_refresh)
 728                 messageview_clear(summaryview->messageview);
 729
 730         buf = NULL;
 731         if (!item || !item->path || !item->parent || item->no_select ||
 732             (item->folder->type == F_MH &&
 733              ((buf = folder_item_get_path(item)) == NULL ||
 734               change_dir(buf) < 0))) {
 735                 g_free(buf);
 736                 debug_print(_("empty folder\n\n"));
 737                 if (is_refresh)
 738                         messageview_clear(summaryview->messageview);
 739                 summary_clear_all(summaryview);
 740                 summaryview->folder_item = item;
 741                 gtk_clist_thaw(GTK_CLIST(ctree));
 742                 summary_unlock(summaryview);
 743                 inc_unlock();
 744                 return TRUE;
 745         }
 746         g_free(buf);
 747
 748         summaryview->folder_item = item;
 749
 750         gtk_signal_handler_block_by_data(GTK_OBJECT(ctree), summaryview);
 751
 752         buf = g_strdup_printf(_("Scanning folder (%s)..."), item->path);
 753         debug_print("%s\n", buf);
 754         STATUSBAR_PUSH(summaryview->mainwin, buf);
 755         g_free(buf);
 756
 757         main_window_cursor_wait(summaryview->mainwin);
 758
 759         mlist = item->folder->get_msg_list(item->folder, item, !update_cache);
 760
 761         for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 762                 MsgInfo * msginfo = (MsgInfo *) cur->data;
 763
 764                 msginfo->score = score_message(global_scoring, msginfo);
 765                 if (msginfo->score != MAX_SCORE &&
 766                     msginfo->score != MIN_SCORE) {
 767                         msginfo->score += score_message(item->prefs->scoring,
 768                                                         msginfo);
 769                 }
 770         }
 771
 772         summaryview->killed_messages = NULL;
 773         if ((global_scoring || item->prefs->scoring) &&
 774             (item->folder->type == F_NEWS)) {
 775                 GSList *not_killed;
 776                 gint kill_score;
 777
 778                 not_killed = NULL;
 779                 kill_score = prefs_common.kill_score;
 780                 if (item->prefs->kill_score > kill_score)
 781                         kill_score = item->prefs->kill_score;
 782                 for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
 783                         MsgInfo * msginfo = (MsgInfo *) cur->data;
 784
 785                         if (MSG_IS_NEWS(msginfo->flags) &&
 786                             (msginfo->score <= kill_score))
 787                                 summaryview->killed_messages = g_slist_append(summaryview->killed_messages, msginfo);
 788                         else
 789                                 not_killed = g_slist_append(not_killed,
 790                                                             msginfo);
 791                 }
 792                 g_slist_free(mlist);
 793                 mlist = not_killed;
 794         }
 795
 796         STATUSBAR_POP(summaryview->mainwin);
 797
 798         /* set ctree and hash table from the msginfo list
 799            creating thread, and count the number of messages */
 800         summary_set_ctree_from_list(summaryview, mlist);
 801
 802         g_slist_free(mlist);
 803
 804         summary_write_cache(summaryview);
 805
 806         gtk_signal_handler_unblock_by_data(GTK_OBJECT(ctree), summaryview);
 807
 808         gtk_clist_thaw(GTK_CLIST(ctree));
 809
 810         /* sort before */
 811         sort_mode = prefs_folder_item_get_sort_mode(item);
 812         sort_type = prefs_folder_item_get_sort_type(item);
 813
 814         if (sort_mode != SORT_BY_NONE) {
 815                 summaryview->sort_mode = sort_mode;
 816                 if (sort_type == GTK_SORT_DESCENDING)
 817                         summaryview->sort_type = GTK_SORT_ASCENDING;
 818                 else
 819                         summaryview->sort_type = GTK_SORT_DESCENDING;
 820
 821                 summary_sort(summaryview, sort_mode);
 822         }
 823
 824         if (is_refresh) {
 825                 summaryview->displayed =
 826                         summary_find_msg_by_msgnum(summaryview,
 827                                                    displayed_msgnum);
 828                 if (!summaryview->displayed)
 829                         messageview_clear(summaryview->messageview);
 830                 summary_select_by_msgnum(summaryview, selected_msgnum);
 831                 if (!summaryview->selected) {
 832                         /* no selected message - select first unread
 833                            message, but do not display it */
 834                         node = summary_find_next_unread_msg(summaryview, NULL);
 835                         if (node == NULL && GTK_CLIST(ctree)->row_list != NULL)
 836                                 node = gtk_ctree_node_nth
 837                                         (ctree, GTK_CLIST(ctree)->rows - 1);
 838                         summary_select_node(summaryview, node, FALSE);
 839                 }
 840         } else {
 841                 /* select first unread message */
 842                 if (sort_mode == SORT_BY_SCORE)
 843                         node = summary_find_next_important_score(summaryview,
 844                                                                  NULL);
 845                 else
 846                         node = summary_find_next_unread_msg(summaryview, NULL);
 847
 848                 if (node == NULL && GTK_CLIST(ctree)->row_list != NULL) {
 849                         /* Get the last visible node on screen */
 850                         /* FIXME: huh, what happens if node is null? that allowed?? */
 851                         node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
 852                 }
 853                 if (prefs_common.open_unread_on_enter) {
 854                         summary_unlock(summaryview);
 855                         summary_select_node(summaryview, node, TRUE);
 856                         summary_lock(summaryview);
 857                 } else
 858                         summary_select_node(summaryview, node, FALSE);
 859         }
 860
 861         summary_status_show(summaryview);
 862         summary_set_menu_sensitive(summaryview);
 863         main_window_set_toolbar_sensitive(summaryview->mainwin);
 864
 865         debug_print("\n");
 866         STATUSBAR_PUSH(summaryview->mainwin, _("Done."));
 867
 868         main_window_cursor_normal(summaryview->mainwin);
 869         summary_unlock(summaryview);
 870         inc_unlock();
 871
 872         return TRUE;
 873 }
 874
 875 void summary_clear_list(SummaryView *summaryview)
 876 {
 877         GtkCList *clist = GTK_CLIST(summaryview->ctree);
 878         gint optimal_width;
 879         GSList * cur;
 880
 881         gtk_clist_freeze(clist);
 882
 883         for(cur = summaryview->killed_messages ; cur != NULL ;
 884             cur = g_slist_next(cur)) {
 885                 MsgInfo * msginfo = (MsgInfo *) cur->data;
 886
 887                 procmsg_msginfo_free(msginfo);
 888         }
 889         g_slist_free(summaryview->killed_messages);
 890         summaryview->killed_messages = NULL;
 891
 892         gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree),
 893                                 NULL, summary_free_msginfo_func, NULL);
 894
 895         summaryview->folder_item = NULL;
 896
 897         summaryview->display_msg = FALSE;
 898
 899         summaryview->selected  = NULL;
 900         summaryview->displayed = NULL;
 901         summaryview->newmsgs   = summaryview->unread     = 0;
 902         summaryview->messages  = summaryview->total_size = 0;
 903         summaryview->deleted   = summaryview->moved      = 0;
 904         summaryview->copied    = 0;
 905         if (summaryview->msgid_table) {
 906                 g_hash_table_destroy(summaryview->msgid_table);
 907                 summaryview->msgid_table = NULL;
 908         }
 909         if (summaryview->subject_table) {
 910                 g_hash_table_destroy(summaryview->subject_table);
 911                 summaryview->subject_table = NULL;
 912         }
 913         summaryview->mlist = NULL;
 914         if (summaryview->folder_table) {
 915                 g_hash_table_destroy(summaryview->folder_table);
 916                 summaryview->folder_table = NULL;
 917         }
 918         summaryview->sort_mode = SORT_BY_NONE;
 919         summaryview->sort_type = GTK_SORT_ASCENDING;
 920
 921         gtk_clist_clear(clist);
 922         if (summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
 923                 optimal_width = gtk_clist_optimal_column_width
 924                         (clist, summaryview->col_pos[S_COL_SUBJECT]);
 925                 gtk_clist_set_column_width
 926                         (clist, summaryview->col_pos[S_COL_SUBJECT],
 927                          optimal_width);
 928         }
 929
 930         gtk_clist_thaw(clist);
 931 }
 932
 933 void summary_clear_all(SummaryView *summaryview)
 934 {
 935         summary_clear_list(summaryview);
 936         summary_set_menu_sensitive(summaryview);
 937         main_window_set_toolbar_sensitive(summaryview->mainwin);
 938         summary_status_show(summaryview);
 939 }
 940
 941 void summary_lock(SummaryView *summaryview)
 942 {
 943         summaryview->lock_count++;
 944 }
 945
 946 void summary_unlock(SummaryView *summaryview)
 947 {
 948         if (summaryview->lock_count)
 949                 summaryview->lock_count--;
 950 }
 951
 952 gboolean summary_is_locked(SummaryView *summaryview)
 953 {
 954         return summaryview->lock_count > 0;
 955 }
 956
 957 SummarySelection summary_get_selection_type(SummaryView *summaryview)
 958 {
 959         GtkCList *clist = GTK_CLIST(summaryview->ctree);
 960         SummarySelection selection;
 961
 962         if (!clist->row_list)
 963                 selection = SUMMARY_NONE;
 964         else if (!clist->selection)
 965                 selection = SUMMARY_SELECTED_NONE;
 966         else if (!clist->selection->next)
 967                 selection = SUMMARY_SELECTED_SINGLE;
 968         else
 969                 selection = SUMMARY_SELECTED_MULTIPLE;
 970
 971         return selection;
 972 }
 973
 974 static void summary_set_menu_sensitive(SummaryView *summaryview)
 975 {
 976         GtkItemFactory *ifactory = summaryview->popupfactory;
 977         SummarySelection selection;
 978         gboolean sens;
 979
 980         selection = summary_get_selection_type(summaryview);
 981         main_window_set_menu_sensitive(summaryview->mainwin);
 982
 983         if (selection == SUMMARY_NONE) {
 984                 GtkWidget *submenu;
 985
 986                 submenu = gtk_item_factory_get_widget
 987                         (summaryview->popupfactory, "/Mark");
 988                 menu_set_insensitive_all(GTK_MENU_SHELL(submenu));
 989                 menu_set_insensitive_all
 990                         (GTK_MENU_SHELL(summaryview->popupmenu));
 991                 return;
 992         }
 993
 994         if (summaryview->folder_item->folder->type != F_NEWS) {
 995                 menu_set_sensitive(ifactory, "/Move...", TRUE);
 996                 menu_set_sensitive(ifactory, "/Copy...", TRUE);
 997                 menu_set_sensitive(ifactory, "/Delete", TRUE);
 998         }
 999
1000         menu_set_sensitive(ifactory, "/Execute", TRUE);
1001
1002         menu_set_sensitive(ifactory, "/Mark", TRUE);
1003         menu_set_sensitive(ifactory, "/Mark/Mark",   TRUE);
1004         menu_set_sensitive(ifactory, "/Mark/Unmark", TRUE);
1005
1006         menu_set_sensitive(ifactory, "/Mark/Mark as unread", TRUE);
1007         menu_set_sensitive(ifactory, "/Mark/Mark as read",   TRUE);
1008         menu_set_sensitive(ifactory, "/Mark/Mark all read", TRUE);
1009         menu_set_sensitive(ifactory, "/Mark/Ignore thread",   TRUE);
1010         menu_set_sensitive(ifactory, "/Mark/Unignore thread", TRUE);
1011
1012         menu_set_sensitive(ifactory, "/Color label", TRUE);
1013
1014         sens = (selection == SUMMARY_SELECTED_MULTIPLE) ? FALSE : TRUE;
1015         menu_set_sensitive(ifactory, "/Reply",                    sens);
1016         menu_set_sensitive(ifactory, "/Reply to sender",          sens);
1017         menu_set_sensitive(ifactory, "/Reply to all",             sens);
1018         menu_set_sensitive(ifactory, "/Forward",                  TRUE);
1019         menu_set_sensitive(ifactory, "/Forward as attachment",    TRUE);
1020         menu_set_sensitive(ifactory, "/Bounce",                   TRUE);
1021
1022         menu_set_sensitive(ifactory, "/Add sender to address book", sens);
1023
1024         menu_set_sensitive(ifactory, "/View", sens);
1025         menu_set_sensitive(ifactory, "/View/Open in new window", sens);
1026         menu_set_sensitive(ifactory, "/View/Source", sens);
1027         menu_set_sensitive(ifactory, "/View/All header", sens);
1028         if (summaryview->folder_item->stype == F_OUTBOX ||
1029             summaryview->folder_item->stype == F_DRAFT  ||
1030             summaryview->folder_item->stype == F_QUEUE)
1031                 menu_set_sensitive(ifactory, "/Re-edit", sens);
1032
1033         menu_set_sensitive(ifactory, "/Save as...", sens);
1034         menu_set_sensitive(ifactory, "/Print...",   TRUE);
1035
1036         menu_set_sensitive(ifactory, "/Select all", TRUE);
1037
1038         if (summaryview->folder_item->folder->account)
1039                 sens = summaryview->folder_item->folder->account->protocol
1040                         == A_NNTP;
1041         else
1042                 sens = FALSE;
1043         menu_set_sensitive(ifactory, "/Follow-up and reply to", sens);
1044 }
1045
1046 void summary_select_prev_unread(SummaryView *summaryview)
1047 {
1048         GtkCTreeNode *node;
1049         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1050
1051         node = summary_find_prev_unread_msg(summaryview, summaryview->selected);
1052
1053         if (!node) {
1054                 AlertValue val;
1055
1056                 switch (prefs_common.next_unread_msg_dialog) {
1057                         case NEXTUNREADMSGDIALOG_ALWAYS:
1058                                 val = alertpanel(_("No more unread messages"),
1059                                                  _("No unread message found. "
1060                                                    "Search from the end?"),
1061                                                  _("Yes"), _("No"), NULL);
1062                                 break;
1063                         case NEXTUNREADMSGDIALOG_ASSUME_YES:
1064                                 val = G_ALERTDEFAULT;
1065                                 break;
1066                         case NEXTUNREADMSGDIALOG_ASSUME_NO:
1067                                 val = !G_ALERTDEFAULT;
1068                                 break;
1069                         default:
1070                                 debug_print(
1071                                         _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1072                 }
1073                 if (val != G_ALERTDEFAULT) return;
1074                 node = summary_find_prev_unread_msg(summaryview, NULL);
1075         }
1076
1077         if (!node) {
1078                 alertpanel_notice(_("No unread messages."));
1079         } else {
1080                 gtkut_ctree_expand_parent_all(ctree, node);
1081                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1082                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1083                 if (summaryview->displayed == node)
1084                         summaryview->displayed = NULL;
1085                 summary_display_msg(summaryview, node, FALSE);
1086         }
1087 }
1088
1089 void summary_select_next_unread(SummaryView *summaryview)
1090 {
1091         GtkCTreeNode *node;
1092         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1093
1094         node = summary_find_next_unread_msg(summaryview, summaryview->selected);
1095
1096         if (node) {
1097                 gtkut_ctree_expand_parent_all(ctree, node);
1098                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1099                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1100                 if (summaryview->displayed == node)
1101                         summaryview->displayed = NULL;
1102                 summary_display_msg(summaryview, node, FALSE);
1103         } else {
1104                 AlertValue val;
1105
1106                 switch (prefs_common.next_unread_msg_dialog) {
1107                         case NEXTUNREADMSGDIALOG_ALWAYS:
1108                                 val = alertpanel(_("No more unread messages"),
1109                                                  _("No unread message found. "
1110                                                    "Go to next folder?"),
1111                                                  _("Yes"), _("No"), NULL);
1112                                 break;
1113                         case NEXTUNREADMSGDIALOG_ASSUME_YES:
1114                                 val = G_ALERTDEFAULT;
1115                                 break;
1116                         case NEXTUNREADMSGDIALOG_ASSUME_NO:
1117                                 val = !G_ALERTDEFAULT;
1118                                 break;
1119                         default:
1120                                 debug_print(
1121                                         _("Internal error: unexpected value for prefs_common.next_unread_msg_dialog\n"));
1122                 }
1123
1124                 if (val == G_ALERTDEFAULT) {
1125                         if (gtk_signal_n_emissions_by_name
1126                                 (GTK_OBJECT(ctree), "key_press_event") > 0)
1127                                         gtk_signal_emit_stop_by_name
1128                                                 (GTK_OBJECT(ctree),
1129                                                  "key_press_event");
1130                         folderview_select_next_unread(summaryview->folderview);
1131                 }
1132         }
1133 }
1134
1135 void summary_select_prev_marked(SummaryView *summaryview)
1136 {
1137         GtkCTreeNode *node;
1138         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1139
1140         node = summary_find_prev_marked_msg(summaryview, summaryview->selected);
1141
1142         if (!node) {
1143                 AlertValue val;
1144
1145                 val = alertpanel(_("No more marked messages"),
1146                                  _("No marked message found. "
1147                                    "Search from the end?"),
1148                                  _("Yes"), _("No"), NULL);
1149                 if (val != G_ALERTDEFAULT) return;
1150                 node = summary_find_prev_marked_msg(summaryview, NULL);
1151         }
1152
1153         if (!node) {
1154                 alertpanel_notice(_("No marked messages."));
1155         } else {
1156                 gtkut_ctree_expand_parent_all(ctree, node);
1157                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1158                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1159                 if (summaryview->displayed == node)
1160                         summaryview->displayed = NULL;
1161                 summary_display_msg(summaryview, node, FALSE);
1162         }
1163 }
1164
1165 void summary_select_next_marked(SummaryView *summaryview)
1166 {
1167         GtkCTreeNode *node;
1168         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1169
1170         node = summary_find_next_marked_msg(summaryview, summaryview->selected);
1171
1172         if (!node) {
1173                 AlertValue val;
1174
1175                 val = alertpanel(_("No more marked messages"),
1176                                  _("No marked message found. "
1177                                    "Search from the beginning?"),
1178                                  _("Yes"), _("No"), NULL);
1179                 if (val != G_ALERTDEFAULT) return;
1180                 node = summary_find_next_marked_msg(summaryview, NULL);
1181         }
1182
1183         if (!node) {
1184                 alertpanel_notice(_("No marked messages."));
1185         } else {
1186                 gtkut_ctree_expand_parent_all(ctree, node);
1187                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1188                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1189                 if (summaryview->displayed == node)
1190                         summaryview->displayed = NULL;
1191                 summary_display_msg(summaryview, node, FALSE);
1192         }
1193 }
1194
1195 void summary_select_prev_labeled(SummaryView *summaryview)
1196 {
1197         GtkCTreeNode *node;
1198         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1199
1200         node = summary_find_prev_labeled_msg(summaryview, summaryview->selected);
1201
1202         if (!node) {
1203                 AlertValue val;
1204
1205                 val = alertpanel(_("No more labeled messages"),
1206                                  _("No labeled message found. "
1207                                    "Search from the end?"),
1208                                  _("Yes"), _("No"), NULL);
1209                 if (val != G_ALERTDEFAULT) return;
1210                 node = summary_find_prev_labeled_msg(summaryview, NULL);
1211         }
1212
1213         if (!node) {
1214                 alertpanel_notice(_("No labeled messages."));
1215         } else {
1216                 gtkut_ctree_expand_parent_all(ctree, node);
1217                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1218                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1219                 if (summaryview->displayed == node)
1220                         summaryview->displayed = NULL;
1221                 summary_display_msg(summaryview, node, FALSE);
1222         }
1223 }
1224
1225 void summary_select_next_labeled(SummaryView *summaryview)
1226 {
1227         GtkCTreeNode *node;
1228         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1229
1230         node = summary_find_next_labeled_msg(summaryview, summaryview->selected);
1231
1232         if (!node) {
1233                 AlertValue val;
1234
1235                 val = alertpanel(_("No more labeled messages"),
1236                                  _("No labeled message found. "
1237                                    "Search from the beginning?"),
1238                                  _("Yes"), _("No"), NULL);
1239                 if (val != G_ALERTDEFAULT) return;
1240                 node = summary_find_next_labeled_msg(summaryview, NULL);
1241         }
1242
1243         if (!node) {
1244                 alertpanel_notice(_("No labeled messages."));
1245         } else {
1246                 gtkut_ctree_expand_parent_all(ctree, node);
1247                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1248                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1249                 if (summaryview->displayed == node)
1250                         summaryview->displayed = NULL;
1251                 summary_display_msg(summaryview, node, FALSE);
1252         }
1253 }
1254
1255 void summary_select_by_msgnum(SummaryView *summaryview, guint msgnum)
1256 {
1257         GtkCTreeNode *node;
1258
1259         node = summary_find_msg_by_msgnum(summaryview, msgnum);
1260         summary_select_node(summaryview, node, FALSE);
1261 }
1262
1263 /**
1264  * summary_select_node:
1265  * @summaryview: Summary view.
1266  * @node: Summary tree node.
1267  * @display_msg: TRUE to display the selected message.
1268  *
1269  * Select @node (bringing it into view by scrolling and expanding its
1270  * thread, if necessary) and unselect all others.  If @display_msg is
1271  * TRUE, display the corresponding message in the message view.
1272  **/
1273 void summary_select_node(SummaryView *summaryview, GtkCTreeNode *node,
1274                          gboolean display_msg)
1275 {
1276         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1277
1278         if (node) {
1279                 GTK_EVENTS_FLUSH();
1280                 gtkut_ctree_expand_parent_all(ctree, node);
1281                 gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1282                 gtk_widget_grab_focus(GTK_WIDGET(ctree));
1283                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1284                 summaryview->display_msg = display_msg;
1285                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1286         }
1287 }
1288
1289 static guint summary_get_msgnum(SummaryView *summaryview, GtkCTreeNode *node)
1290 {
1291         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1292         MsgInfo *msginfo;
1293
1294         if (!node)
1295                 return 0;
1296         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1297         return msginfo->msgnum;
1298 }
1299
1300 static GtkCTreeNode *summary_find_prev_msg(SummaryView *summaryview,
1301                                            GtkCTreeNode *current_node)
1302 {
1303         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1304         GtkCTreeNode *node;
1305         MsgInfo *msginfo;
1306
1307         if (current_node)
1308                 node = current_node;
1309         else
1310                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1311
1312         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1313                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1314                 if (!MSG_IS_DELETED(msginfo->flags))
1315                         break;
1316         }
1317
1318         return node;
1319 }
1320
1321 static GtkCTreeNode *summary_find_next_msg(SummaryView *summaryview,
1322                                            GtkCTreeNode *current_node)
1323 {
1324         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1325         GtkCTreeNode *node;
1326         MsgInfo *msginfo;
1327
1328         if (current_node)
1329                 node = current_node;
1330         else
1331                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1332
1333         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1334                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1335                 if (!MSG_IS_DELETED(msginfo->flags))
1336                         break;
1337         }
1338
1339         return node;
1340 }
1341
1342 static GtkCTreeNode *summary_find_prev_unread_msg(SummaryView *summaryview,
1343                                                   GtkCTreeNode *current_node)
1344 {
1345         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1346         GtkCTreeNode *node;
1347         MsgInfo *msginfo;
1348
1349         if (current_node)
1350                 node = current_node;
1351         else
1352                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1353
1354         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1355                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1356                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) break;
1357         }
1358
1359         return node;
1360 }
1361
1362 static GtkCTreeNode *summary_find_next_unread_msg(SummaryView *summaryview,
1363                                                   GtkCTreeNode *current_node)
1364 {
1365         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1366         GtkCTreeNode *node;
1367         MsgInfo *msginfo;
1368
1369         if (current_node)
1370                 node = current_node;
1371         else
1372                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1373
1374         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1375                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1376                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags)) break;
1377         }
1378
1379         return node;
1380 }
1381
1382 static GtkCTreeNode *summary_find_prev_marked_msg(SummaryView *summaryview,
1383                                                   GtkCTreeNode *current_node)
1384 {
1385         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1386         GtkCTreeNode *node;
1387         MsgInfo *msginfo;
1388
1389         if (current_node)
1390                 node = GTK_CTREE_NODE_PREV(current_node);
1391         else
1392                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1393
1394         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1395                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1396                 if (MSG_IS_MARKED(msginfo->flags)) break;
1397         }
1398
1399         return node;
1400 }
1401
1402 static GtkCTreeNode *summary_find_next_marked_msg(SummaryView *summaryview,
1403                                                   GtkCTreeNode *current_node)
1404 {
1405         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1406         GtkCTreeNode *node;
1407         MsgInfo *msginfo;
1408
1409         if (current_node)
1410                 node = gtkut_ctree_node_next(ctree, current_node);
1411         else
1412                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1413
1414         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1415                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1416                 if (MSG_IS_MARKED(msginfo->flags)) break;
1417         }
1418
1419         return node;
1420 }
1421
1422 static GtkCTreeNode *summary_find_prev_labeled_msg(SummaryView *summaryview,
1423                                                    GtkCTreeNode *current_node)
1424 {
1425         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1426         GtkCTreeNode *node;
1427         MsgInfo *msginfo;
1428
1429         if (current_node)
1430                 node = GTK_CTREE_NODE_PREV(current_node);
1431         else
1432                 node = gtk_ctree_node_nth(ctree, GTK_CLIST(ctree)->rows - 1);
1433
1434         for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
1435                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1436                 if (MSG_GET_COLORLABEL_VALUE(msginfo->flags) > 0) break;
1437         }
1438
1439         return node;
1440 }
1441
1442 static GtkCTreeNode *summary_find_next_labeled_msg(SummaryView *summaryview,
1443                                                    GtkCTreeNode *current_node)
1444 {
1445         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1446         GtkCTreeNode *node;
1447         MsgInfo *msginfo;
1448
1449         if (current_node)
1450                 node = gtkut_ctree_node_next(ctree, current_node);
1451         else
1452                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1453
1454         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1455                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1456                 if (MSG_GET_COLORLABEL_VALUE(msginfo->flags) > 0) break;
1457         }
1458
1459         return node;
1460 }
1461
1462 static GtkCTreeNode *summary_find_msg_by_msgnum(SummaryView *summaryview,
1463                                                 guint msgnum)
1464 {
1465         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1466         GtkCTreeNode *node;
1467         MsgInfo *msginfo;
1468
1469         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1470
1471         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1472                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
1473                 if (msginfo->msgnum == msgnum) break;
1474         }
1475
1476         return node;
1477 }
1478
1479 static guint attract_hash_func(gconstpointer key)
1480 {
1481         gchar *str;
1482         gchar *p;
1483         guint h;
1484
1485         Xstrdup_a(str, (const gchar *)key, return 0);
1486         trim_subject(str);
1487
1488         p = str;
1489         h = *p;
1490
1491         if (h) {
1492                 for (p += 1; *p != '\0'; p++)
1493                         h = (h << 5) - h + *p;
1494         }
1495
1496         return h;
1497 }
1498
1499 static gint attract_compare_func(gconstpointer a, gconstpointer b)
1500 {
1501         return subject_compare((const gchar *)a, (const gchar *)b) == 0;
1502 }
1503
1504 void summary_attract_by_subject(SummaryView *summaryview)
1505 {
1506         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1507         GtkCList *clist = GTK_CLIST(ctree);
1508         GtkCTreeNode *src_node;
1509         GtkCTreeNode *dst_node, *sibling;
1510         GtkCTreeNode *tmp;
1511         MsgInfo *src_msginfo, *dst_msginfo;
1512         GHashTable *subject_table;
1513
1514         debug_print(_("Attracting messages by subject..."));
1515         STATUSBAR_PUSH(summaryview->mainwin,
1516                        _("Attracting messages by subject..."));
1517
1518         main_window_cursor_wait(summaryview->mainwin);
1519         gtk_clist_freeze(clist);
1520
1521         subject_table = g_hash_table_new(attract_hash_func,
1522                                          attract_compare_func);
1523
1524         for (src_node = GTK_CTREE_NODE(clist->row_list);
1525              src_node != NULL;
1526              src_node = tmp) {
1527                 tmp = GTK_CTREE_ROW(src_node)->sibling;
1528                 src_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(src_node);
1529                 if (!src_msginfo) continue;
1530                 if (!src_msginfo->subject) continue;
1531
1532                 /* find attracting node */
1533                 dst_node = g_hash_table_lookup(subject_table,
1534                                                src_msginfo->subject);
1535
1536                 if (dst_node) {
1537                         dst_msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(dst_node);
1538
1539                         /* if the time difference is more than 20 days,
1540                            don't attract */
1541                         if (ABS(src_msginfo->date_t - dst_msginfo->date_t)
1542                             > 60 * 60 * 24 * 20)
1543                                 continue;
1544
1545                         sibling = GTK_CTREE_ROW(dst_node)->sibling;
1546                         if (src_node != sibling)
1547                                 gtk_ctree_move(ctree, src_node, NULL, sibling);
1548                 }
1549
1550                 g_hash_table_insert(subject_table,
1551                                     src_msginfo->subject, src_node);
1552         }
1553
1554         g_hash_table_destroy(subject_table);
1555
1556         gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
1557
1558         gtk_clist_thaw(clist);
1559
1560         debug_print(_("done.\n"));
1561         STATUSBAR_POP(summaryview->mainwin);
1562
1563         main_window_cursor_normal(summaryview->mainwin);
1564 }
1565
1566 static void summary_free_msginfo_func(GtkCTree *ctree, GtkCTreeNode *node,
1567                                       gpointer data)
1568 {
1569         MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, node);
1570
1571         if (msginfo)
1572                 procmsg_msginfo_free(msginfo);
1573 }
1574
1575 static void summary_set_marks_func(GtkCTree *ctree, GtkCTreeNode *node,
1576                                    gpointer data)
1577 {
1578         SummaryView *summaryview = data;
1579         MsgInfo *msginfo;
1580
1581         msginfo = gtk_ctree_node_get_row_data(ctree, node);
1582
1583         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1584                 summaryview->newmsgs++;
1585         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1586                 summaryview->unread++;
1587         if (MSG_IS_DELETED(msginfo->flags))
1588                 summaryview->deleted++;
1589
1590         summaryview->messages++;
1591         summaryview->total_size += msginfo->size;
1592
1593         summary_set_row_marks(summaryview, node);
1594 }
1595
1596 static void summary_update_status(SummaryView *summaryview)
1597 {
1598         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1599         GtkCTreeNode *node;
1600         MsgInfo *msginfo;
1601
1602         summaryview->newmsgs = summaryview->unread =
1603         summaryview->messages = summaryview->total_size =
1604         summaryview->deleted = summaryview->moved = summaryview->copied = 0;
1605
1606         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1607              node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1608                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
1609
1610                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1611                         summaryview->newmsgs++;
1612                 if (MSG_IS_UNREAD(msginfo->flags)&& !MSG_IS_IGNORE_THREAD(msginfo->flags))
1613                         summaryview->unread++;
1614                 if (MSG_IS_DELETED(msginfo->flags))
1615                         summaryview->deleted++;
1616                 if (MSG_IS_MOVE(msginfo->flags))
1617                         summaryview->moved++;
1618                 if (MSG_IS_COPY(msginfo->flags))
1619                         summaryview->copied++;
1620                 summaryview->messages++;
1621                 summaryview->total_size += msginfo->size;
1622         }
1623 }
1624
1625 static void summary_status_show(SummaryView *summaryview)
1626 {
1627         gchar *str;
1628         gchar *del, *mv, *cp;
1629         gchar *sel;
1630         gchar *spc;
1631         GList *rowlist, *cur;
1632         guint n_selected = 0;
1633         off_t sel_size = 0;
1634         MsgInfo *msginfo;
1635
1636         if (!summaryview->folder_item) {
1637                 gtk_label_set(GTK_LABEL(summaryview->statlabel_folder), "");
1638                 gtk_label_set(GTK_LABEL(summaryview->statlabel_select), "");
1639                 gtk_label_set(GTK_LABEL(summaryview->statlabel_msgs),   "");
1640                 return;
1641         }
1642
1643         rowlist = GTK_CLIST(summaryview->ctree)->selection;
1644         for (cur = rowlist; cur != NULL; cur = cur->next) {
1645                 msginfo = gtk_ctree_node_get_row_data
1646                         (GTK_CTREE(summaryview->ctree),
1647                          GTK_CTREE_NODE(cur->data));
1648                 sel_size += msginfo->size;
1649                 n_selected++;
1650         }
1651
1652         gtk_label_set(GTK_LABEL(summaryview->statlabel_folder),
1653                       summaryview->folder_item &&
1654                       summaryview->folder_item->folder->type == F_NEWS
1655                       ? g_basename(summaryview->folder_item->path)
1656                       : summaryview->folder_item->path);
1657
1658         if (summaryview->deleted)
1659                 del = g_strdup_printf(_("%d deleted"), summaryview->deleted);
1660         else
1661                 del = g_strdup("");
1662         if (summaryview->moved)
1663                 mv = g_strdup_printf(_("%s%d moved"),
1664                                      summaryview->deleted ? _(", ") : "",
1665                                      summaryview->moved);
1666         else
1667                 mv = g_strdup("");
1668         if (summaryview->copied)
1669                 cp = g_strdup_printf(_("%s%d copied"),
1670                                      summaryview->deleted ||
1671                                      summaryview->moved ? _(", ") : "",
1672                                      summaryview->copied);
1673         else
1674                 cp = g_strdup("");
1675
1676         if (summaryview->deleted || summaryview->moved || summaryview->copied)
1677                 spc = "    ";
1678         else
1679                 spc = "";
1680
1681         if (n_selected)
1682                 sel = g_strdup_printf(" (%s)", to_human_readable(sel_size));
1683         else
1684                 sel = g_strdup("");
1685         str = g_strconcat(n_selected ? itos(n_selected) : "",
1686                           n_selected ? _(" item(s) selected") : "",
1687                           sel, spc, del, mv, cp, NULL);
1688         gtk_label_set(GTK_LABEL(summaryview->statlabel_select), str);
1689         g_free(str);
1690         g_free(sel);
1691         g_free(del);
1692         g_free(mv);
1693         g_free(cp);
1694
1695         if (summaryview->folder_item &&
1696             FOLDER_IS_LOCAL(summaryview->folder_item->folder)) {
1697                 str = g_strdup_printf(_("%d new, %d unread, %d total (%s)"),
1698                                       summaryview->newmsgs,
1699                                       summaryview->unread,
1700                                       summaryview->messages,
1701                                       to_human_readable(summaryview->total_size));
1702         } else {
1703                 str = g_strdup_printf(_("%d new, %d unread, %d total"),
1704                                       summaryview->newmsgs,
1705                                       summaryview->unread,
1706                                       summaryview->messages);
1707         }
1708         gtk_label_set(GTK_LABEL(summaryview->statlabel_msgs), str);
1709         g_free(str);
1710
1711         folderview_update_msg_num(summaryview->folderview,
1712                                   summaryview->folderview->opened,
1713                                   summaryview->newmsgs,
1714                                   summaryview->unread,
1715                                   summaryview->messages);
1716 }
1717
1718 static void summary_set_column_titles(SummaryView *summaryview)
1719 {
1720         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1721         GtkWidget *hbox;
1722         GtkWidget *label;
1723         GtkWidget *arrow;
1724         gint pos;
1725         const gchar *title;
1726         SummaryColumnType type;
1727         gboolean single_char;
1728         GtkJustification justify;
1729
1730         static SummarySortType sort_by[N_SUMMARY_COLS] = {
1731                 SORT_BY_MARK,
1732                 SORT_BY_UNREAD,
1733                 SORT_BY_MIME,
1734                 SORT_BY_SUBJECT,
1735                 SORT_BY_FROM,
1736                 SORT_BY_DATE,
1737                 SORT_BY_SIZE,
1738                 SORT_BY_NUMBER
1739         };
1740
1741         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
1742                 type = summaryview->col_state[pos].type;
1743
1744                 single_char = (type == S_COL_MIME ||
1745                                type == S_COL_MARK || type == S_COL_UNREAD);
1746                 justify = (type == S_COL_NUMBER || type == S_COL_SIZE)
1747                         ? GTK_JUSTIFY_RIGHT : GTK_JUSTIFY_LEFT;
1748
1749                 switch (type) {
1750                 case S_COL_SUBJECT:
1751                 case S_COL_FROM:
1752                 case S_COL_DATE:
1753                 case S_COL_NUMBER:
1754                         if (prefs_common.trans_hdr)
1755                                 title = gettext(col_label[type]);
1756                         else
1757                                 title = col_label[type];
1758                         break;
1759                 default:
1760                         title = gettext(col_label[type]);
1761                 }
1762
1763                 if (type == S_COL_MIME) {
1764                         label = gtk_pixmap_new(clipxpm, clipxpmmask);
1765                         gtk_widget_show(label);
1766                         gtk_clist_set_column_widget(clist, pos, label);
1767                         continue;
1768                 }
1769                 if (single_char) {
1770                         gtk_clist_set_column_title(clist, pos, title);
1771                         continue;
1772                 }
1773
1774                 hbox = gtk_hbox_new(FALSE, 4);
1775                 label = gtk_label_new(title);
1776                 if (justify == GTK_JUSTIFY_RIGHT)
1777                         gtk_box_pack_end(GTK_BOX(hbox), label,
1778                                          FALSE, FALSE, 0);
1779                 else
1780                         gtk_box_pack_start(GTK_BOX(hbox), label,
1781                                            FALSE, FALSE, 0);
1782
1783                 if (summaryview->sort_mode == sort_by[type]) {
1784                         arrow = gtk_arrow_new
1785                                 (summaryview->sort_type == GTK_SORT_ASCENDING
1786                                  ? GTK_ARROW_DOWN : GTK_ARROW_UP,
1787                                  GTK_SHADOW_IN);
1788                         if (justify == GTK_JUSTIFY_RIGHT)
1789                                 gtk_box_pack_start(GTK_BOX(hbox), arrow,
1790                                                    FALSE, FALSE, 0);
1791                         else
1792                                 gtk_box_pack_end(GTK_BOX(hbox), arrow,
1793                                                  FALSE, FALSE, 0);
1794                 }
1795
1796                 gtk_widget_show_all(hbox);
1797                 gtk_clist_set_column_widget(clist, pos, hbox);
1798         }
1799 }
1800
1801 void summary_sort(SummaryView *summaryview, SummarySortType type)
1802 {
1803         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1804         GtkCList *clist = GTK_CLIST(summaryview->ctree);
1805         GtkCListCompareFunc cmp_func;
1806
1807         if (!summaryview->folder_item)
1808                 return;
1809
1810         switch (type) {
1811         case SORT_BY_MARK:
1812                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mark;
1813                 break;
1814         case SORT_BY_UNREAD:
1815                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_unread;
1816                 break;
1817         case SORT_BY_MIME:
1818                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_mime;
1819                 break;
1820         case SORT_BY_NUMBER:
1821                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_num;
1822                 break;
1823         case SORT_BY_SIZE:
1824                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_size;
1825                 break;
1826         case SORT_BY_DATE:
1827                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_date;
1828                 break;
1829         case SORT_BY_FROM:
1830                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_from;
1831                 break;
1832         case SORT_BY_SUBJECT:
1833                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_subject;
1834                 break;
1835         case SORT_BY_SCORE:
1836                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_score;
1837                 break;
1838         case SORT_BY_LOCKED:
1839                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_locked;
1840                 break;
1841         case SORT_BY_LABEL:
1842                 cmp_func = (GtkCListCompareFunc)summary_cmp_by_label;
1843                 break;
1844         default:
1845                 return;
1846         }
1847
1848         debug_print(_("Sorting summary..."));
1849         STATUSBAR_PUSH(summaryview->mainwin, _("Sorting summary..."));
1850
1851         main_window_cursor_wait(summaryview->mainwin);
1852
1853         gtk_clist_set_compare_func(clist, cmp_func);
1854
1855         /* toggle sort type if the same column is selected */
1856         if (summaryview->sort_mode == type)
1857                 summaryview->sort_type =
1858                         summaryview->sort_type == GTK_SORT_ASCENDING
1859                         ? GTK_SORT_DESCENDING : GTK_SORT_ASCENDING;
1860         else
1861                 summaryview->sort_type = GTK_SORT_ASCENDING;
1862         gtk_clist_set_sort_type(clist, summaryview->sort_type);
1863         summaryview->sort_mode = type;
1864
1865         summary_set_column_titles(summaryview);
1866
1867         gtk_ctree_sort_node(ctree, NULL);
1868
1869         gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
1870         prefs_folder_item_set_config(summaryview->folder_item,
1871                                      summaryview->sort_type,
1872                                      summaryview->sort_mode);
1873         prefs_folder_item_save_config(summaryview->folder_item);
1874
1875         debug_print(_("done.\n"));
1876         STATUSBAR_POP(summaryview->mainwin);
1877
1878         main_window_cursor_normal(summaryview->mainwin);
1879 }
1880
1881 gboolean summary_insert_gnode_func(GtkCTree *ctree, guint depth, GNode *gnode,
1882                                    GtkCTreeNode *cnode, gpointer data)
1883 {
1884         SummaryView *summaryview = (SummaryView *)data;
1885         MsgInfo *msginfo = (MsgInfo *)gnode->data;
1886         gchar *text[N_SUMMARY_COLS];
1887         gint *col_pos = summaryview->col_pos;
1888         const gchar *msgid = msginfo->msgid;
1889         GHashTable *msgid_table = summaryview->msgid_table;
1890
1891         summary_set_header(summaryview, text, msginfo);
1892
1893         gtk_ctree_set_node_info(ctree, cnode, text[col_pos[S_COL_SUBJECT]], 2,
1894                                 NULL, NULL, NULL, NULL, FALSE,
1895                                 gnode->parent->parent ? TRUE : FALSE);
1896 #define SET_TEXT(col) \
1897         gtk_ctree_node_set_text(ctree, cnode, col_pos[col], \
1898                                 text[col_pos[col]])
1899
1900         SET_TEXT(S_COL_NUMBER);
1901         SET_TEXT(S_COL_SCORE);
1902         SET_TEXT(S_COL_SIZE);
1903         SET_TEXT(S_COL_DATE);
1904         SET_TEXT(S_COL_FROM);
1905         SET_TEXT(S_COL_SUBJECT);
1906
1907 #undef SET_TEXT
1908
1909         GTKUT_CTREE_NODE_SET_ROW_DATA(cnode, msginfo);
1910         summary_set_marks_func(ctree, cnode, summaryview);
1911
1912         if (msgid)
1913                 g_hash_table_insert(msgid_table, (gchar *)msgid, cnode);
1914
1915         return TRUE;
1916 }
1917
1918 static void summary_set_ctree_from_list(SummaryView *summaryview,
1919                                         GSList *mlist)
1920 {
1921         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1922         MsgInfo *msginfo;
1923         MsgInfo *parentinfo;
1924         MsgInfo *cur_msginfo;
1925         GtkCTreeNode *node = NULL;
1926         GHashTable *msgid_table;
1927         GHashTable *subject_table;
1928         GSList * cur;
1929         GtkCTreeNode *cur_parent;
1930
1931         if (!mlist) return;
1932
1933         debug_print(_("\tSetting summary from message data..."));
1934         STATUSBAR_PUSH(summaryview->mainwin,
1935                        _("Setting summary from message data..."));
1936         gdk_flush();
1937
1938         msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
1939         summaryview->msgid_table = msgid_table;
1940         subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1941         summaryview->subject_table = subject_table;
1942
1943         if (prefs_common.use_addr_book)
1944                 start_address_completion();
1945
1946         for (cur = mlist ; cur != NULL; cur = cur->next) {
1947                 msginfo = (MsgInfo *)cur->data;
1948                 msginfo->threadscore = msginfo->score;
1949         }
1950
1951         if (global_scoring || summaryview->folder_item->prefs->scoring) {
1952                 summaryview->important_score = prefs_common.important_score;
1953                 if (summaryview->folder_item->prefs->important_score >
1954                     summaryview->important_score)
1955                         summaryview->important_score =
1956                                 summaryview->folder_item->prefs->important_score;
1957         }
1958
1959         if (summaryview->folder_item->threaded) {
1960                 GNode *root, *gnode;
1961
1962                 root = procmsg_get_thread_tree(mlist);
1963
1964                 for (gnode = root->children; gnode != NULL;
1965                      gnode = gnode->next) {
1966                         node = gtk_ctree_insert_gnode
1967                                 (ctree, NULL, node, gnode,
1968                                  summary_insert_gnode_func, summaryview);
1969                 }
1970
1971                 g_node_destroy(root);
1972
1973                 summary_thread_init(summaryview);
1974         } else {
1975                 gchar *text[N_SUMMARY_COLS];
1976
1977                 mlist = g_slist_reverse(mlist);
1978                 for (; mlist != NULL; mlist = mlist->next) {
1979                         msginfo = (MsgInfo *)mlist->data;
1980
1981                         summary_set_header(summaryview, text, msginfo);
1982
1983                         node = gtk_ctree_insert_node
1984                                 (ctree, NULL, node, text, 2,
1985                                  NULL, NULL, NULL, NULL, FALSE, FALSE);
1986                         GTKUT_CTREE_NODE_SET_ROW_DATA(node, msginfo);
1987                         summary_set_marks_func(ctree, node, summaryview);
1988
1989                         if (msginfo->msgid)
1990                                 g_hash_table_insert(msgid_table,
1991                                                     msginfo->msgid, node);
1992
1993                         subject_table_insert(subject_table,
1994                                              msginfo->subject,
1995                                              node);
1996                 }
1997                 mlist = g_slist_reverse(mlist);
1998         }
1999
2000         if (prefs_common.enable_hscrollbar &&
2001             summaryview->col_pos[S_COL_SUBJECT] == N_SUMMARY_COLS - 1) {
2002                 gint optimal_width;
2003
2004                 optimal_width = gtk_clist_optimal_column_width
2005                         (GTK_CLIST(ctree), summaryview->col_pos[S_COL_SUBJECT]);
2006                 gtk_clist_set_column_width(GTK_CLIST(ctree),
2007                                            summaryview->col_pos[S_COL_SUBJECT],
2008                                            optimal_width);
2009         }
2010
2011         if (prefs_common.use_addr_book)
2012                 end_address_completion();
2013
2014         debug_print(_("done.\n"));
2015         STATUSBAR_POP(summaryview->mainwin);
2016         if (debug_mode) {
2017                 debug_print("\tmsgid hash table size = %d\n",
2018                             g_hash_table_size(msgid_table));
2019                 debug_print("\tsubject hash table size = %d\n",
2020                             g_hash_table_size(subject_table));
2021         }
2022 }
2023
2024 struct wcachefp
2025 {
2026         FILE *cache_fp;
2027         FILE *mark_fp;
2028 };
2029
2030 gint summary_write_cache(SummaryView *summaryview)
2031 {
2032         struct wcachefp fps;
2033         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2034         gint ver = CACHE_VERSION;
2035         gchar *buf;
2036         gchar *cachefile, *markfile;
2037         GSList * cur;
2038         gint filemode = 0;
2039         PrefsFolderItem *prefs;
2040
2041         if (!summaryview->folder_item || !summaryview->folder_item->path)
2042                 return -1;
2043
2044         if (summaryview->folder_item->folder->update_mark != NULL)
2045                 summaryview->folder_item->folder->update_mark(summaryview->folder_item->folder, summaryview->folder_item);
2046
2047         cachefile = folder_item_get_cache_file(summaryview->folder_item);
2048         g_return_val_if_fail(cachefile != NULL, -1);
2049         if ((fps.cache_fp = fopen(cachefile, "w")) == NULL) {
2050                 FILE_OP_ERROR(cachefile, "fopen");
2051                 g_free(cachefile);
2052                 return -1;
2053         }
2054         if (change_file_mode_rw(fps.cache_fp, cachefile) < 0)
2055                 FILE_OP_ERROR(cachefile, "chmod");
2056
2057         prefs = summaryview->folder_item->prefs;
2058         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2059                 /* for cache file */
2060                 filemode = prefs->folder_chmod;
2061                 if (filemode & S_IRGRP) filemode |= S_IWGRP;
2062                 if (filemode & S_IROTH) filemode |= S_IWOTH;
2063 #if HAVE_FCHMOD
2064                 fchmod(fileno(fps.cache_fp), filemode);
2065 #else
2066                 chmod(cachefile, filemode);
2067 #endif
2068         }
2069
2070         g_free(cachefile);
2071
2072         markfile = folder_item_get_mark_file(summaryview->folder_item);
2073         if ((fps.mark_fp = fopen(markfile, "w")) == NULL) {
2074                 FILE_OP_ERROR(markfile, "fopen");
2075                 fclose(fps.cache_fp);
2076                 g_free(markfile);
2077                 return -1;
2078         }
2079         if (change_file_mode_rw(fps.mark_fp, markfile) < 0)
2080                 FILE_OP_ERROR(markfile, "chmod");
2081         if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2082 #if HAVE_FCHMOD
2083                 fchmod(fileno(fps.mark_fp), filemode);
2084 #else
2085                 chmod(markfile, filemode);
2086 #endif
2087         }
2088
2089         g_free(markfile);
2090
2091         buf = g_strdup_printf(_("Writing summary cache (%s)..."),
2092                               summaryview->folder_item->path);
2093         debug_print(buf);
2094         STATUSBAR_PUSH(summaryview->mainwin, buf);
2095         g_free(buf);
2096
2097         WRITE_CACHE_DATA_INT(ver, fps.cache_fp);
2098         ver = MARK_VERSION;
2099         WRITE_CACHE_DATA_INT(ver, fps.mark_fp);
2100
2101         gtk_ctree_pre_recursive(ctree, NULL, summary_write_cache_func, &fps);
2102
2103         for(cur = summaryview->killed_messages ; cur != NULL ;
2104             cur = g_slist_next(cur)) {
2105                 MsgInfo *msginfo = (MsgInfo *) cur->data;
2106
2107                 procmsg_write_cache(msginfo, fps.cache_fp);
2108                 procmsg_write_flags(msginfo, fps.mark_fp);
2109         }
2110
2111         fclose(fps.cache_fp);
2112         fclose(fps.mark_fp);
2113
2114         debug_print(_("done.\n"));
2115         STATUSBAR_POP(summaryview->mainwin);
2116
2117         return 0;
2118 }
2119
2120 static void summary_write_cache_func(GtkCTree *ctree, GtkCTreeNode *node,
2121                                      gpointer data)
2122 {
2123         struct wcachefp *fps = data;
2124         MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, node);
2125
2126         if (msginfo == NULL) return;
2127
2128         procmsg_write_cache(msginfo, fps->cache_fp);
2129         procmsg_write_flags(msginfo, fps->mark_fp);
2130 }
2131
2132 static void summary_set_header(SummaryView *summaryview, gchar *text[],
2133                                MsgInfo *msginfo)
2134 {
2135         static gchar date_modified[80];
2136         static gchar *to = NULL;
2137         static gchar *from_name = NULL;
2138         static gchar col_number[11];
2139         static gchar col_score[11];
2140         gint *col_pos = summaryview->col_pos;
2141
2142         text[col_pos[S_COL_MARK]]   = NULL;
2143         text[col_pos[S_COL_UNREAD]] = NULL;
2144         text[col_pos[S_COL_MIME]]   = NULL;
2145         text[col_pos[S_COL_NUMBER]] = itos(msginfo->msgnum);
2146         text[col_pos[S_COL_SIZE]]   = to_human_readable(msginfo->size);
2147
2148 #if 0
2149         text[col_pos[S_COL_SCORE]]  = itos_buf(col_score, msginfo->threadscore);
2150 #else
2151         text[col_pos[S_COL_SCORE]]  = itos_buf(col_score, msginfo->score);
2152 #endif
2153
2154         if (msginfo->date_t) {
2155                 procheader_date_get_localtime(date_modified,
2156                                               sizeof(date_modified),
2157                                               msginfo->date_t);
2158                 text[col_pos[S_COL_DATE]] = date_modified;
2159         } else if (msginfo->date)
2160                 text[col_pos[S_COL_DATE]] = msginfo->date;
2161         else
2162                 text[col_pos[S_COL_DATE]] = _("(No Date)");
2163
2164         text[col_pos[S_COL_FROM]] = msginfo->fromname ? msginfo->fromname :
2165                 _("(No From)");
2166         if (prefs_common.swap_from && msginfo->from && msginfo->to &&
2167             !MSG_IS_NEWS(msginfo->flags)) {
2168                 gchar *from;
2169
2170                 Xstrdup_a(from, msginfo->from, return);
2171                 extract_address(from);
2172                 if (account_find_from_address(from)) {
2173                         g_free(to);
2174                         to = g_strconcat("-->", msginfo->to, NULL);
2175                         text[col_pos[S_COL_FROM]] = to;
2176                 }
2177         }
2178
2179         if ((text[col_pos[S_COL_FROM]] != to) && prefs_common.use_addr_book &&
2180             msginfo->from) {
2181                 gint count;
2182                 gchar *from;
2183
2184                 Xstrdup_a(from, msginfo->from, return);
2185                 extract_address(from);
2186                 if (*from) {
2187                         count = complete_address(from);
2188                         if (count > 1) {
2189                                 g_free(from_name);
2190                                 from = get_complete_address(1);
2191                                 from_name = procheader_get_fromname(from);
2192                                 g_free(from);
2193                                 text[col_pos[S_COL_FROM]] = from_name;
2194                         }
2195                 }
2196         }
2197
2198         text[col_pos[S_COL_SUBJECT]] = msginfo->subject ? msginfo->subject :
2199                 _("(No Subject)");
2200 }
2201
2202 #define CHANGE_FLAGS(msginfo) \
2203 { \
2204 if (msginfo->folder->folder->change_flags != NULL) \
2205 msginfo->folder->folder->change_flags(msginfo->folder->folder, \
2206                                       msginfo->folder, \
2207                                       msginfo); \
2208 }
2209
2210 static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row,
2211                                 gboolean new_window)
2212 {
2213         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2214         MsgInfo *msginfo;
2215         gchar *filename;
2216
2217         if (!new_window && summaryview->displayed == row) return;
2218         g_return_if_fail(row != NULL);
2219
2220         if (summary_is_locked(summaryview)) return;
2221         summary_lock(summaryview);
2222
2223         STATUSBAR_POP(summaryview->mainwin);
2224         GTK_EVENTS_FLUSH();
2225
2226         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2227
2228         filename = procmsg_get_message_file(msginfo);
2229         if (!filename) {
2230                 summary_unlock(summaryview);
2231                 return;
2232         }
2233         g_free(filename);
2234
2235         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2236                 summaryview->newmsgs--;
2237         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2238                 summaryview->unread--;
2239
2240         if (new_window) {
2241                 MessageView *msgview;
2242
2243                 msgview = messageview_create_with_new_window();
2244                 messageview_show(msgview, msginfo);
2245         } else {
2246                 MessageView *msgview;
2247
2248                 msgview = summaryview->messageview;
2249
2250                 summaryview->displayed = row;
2251                 if (!summaryview->msg_is_toggled_on)
2252                         summary_toggle_view(summaryview);
2253                 messageview_show(msgview, msginfo);
2254                 if (msgview->type == MVIEW_TEXT ||
2255                     (msgview->type == MVIEW_MIME &&
2256                      GTK_CLIST(msgview->mimeview->ctree)->row_list == NULL))
2257                         gtk_widget_grab_focus(summaryview->ctree);
2258                 GTK_EVENTS_FLUSH();
2259                 gtkut_ctree_node_move_if_on_the_edge(ctree, row);
2260         }
2261
2262         if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
2263                 MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
2264                 CHANGE_FLAGS(msginfo);
2265                 summary_set_row_marks(summaryview, row);
2266                 gtk_clist_thaw(GTK_CLIST(ctree));
2267                 summary_status_show(summaryview);
2268         }
2269
2270         if (GTK_WIDGET_VISIBLE(summaryview->headerwin->window))
2271                 header_window_show(summaryview->headerwin, msginfo);
2272
2273         summary_unlock(summaryview);
2274 }
2275
2276 void summary_redisplay_msg(SummaryView *summaryview)
2277 {
2278         GtkCTreeNode *node;
2279
2280         if (summaryview->displayed) {
2281                 node = summaryview->displayed;
2282                 summaryview->displayed = NULL;
2283                 summary_display_msg(summaryview, node, FALSE);
2284         }
2285 }
2286
2287 void summary_open_msg(SummaryView *summaryview)
2288 {
2289         if (!summaryview->selected) return;
2290
2291         summary_display_msg(summaryview, summaryview->selected, TRUE);
2292 }
2293
2294 void summary_view_source(SummaryView * summaryview)
2295 {
2296         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2297         MsgInfo *msginfo;
2298         SourceWindow *srcwin;
2299
2300         if (!summaryview->selected) return;
2301
2302         srcwin = source_window_create();
2303         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
2304         source_window_show_msg(srcwin, msginfo);
2305         source_window_show(srcwin);
2306 }
2307
2308 void summary_reedit(SummaryView *summaryview)
2309 {
2310         MsgInfo *msginfo;
2311
2312         if (!summaryview->selected) return;
2313         if (!summaryview->folder_item) return;
2314         if (summaryview->folder_item->stype != F_OUTBOX &&
2315             summaryview->folder_item->stype != F_DRAFT  &&
2316             summaryview->folder_item->stype != F_QUEUE) return;
2317
2318         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
2319                                               summaryview->selected);
2320         if (!msginfo) return;
2321
2322         compose_reedit(msginfo);
2323 }
2324
2325 void summary_step(SummaryView *summaryview, GtkScrollType type)
2326 {
2327         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2328
2329         if (type == GTK_SCROLL_STEP_FORWARD) {
2330                 GtkCTreeNode *node;
2331                 node = gtkut_ctree_node_next(ctree, summaryview->selected);
2332                 if (node)
2333                         gtkut_ctree_expand_parent_all(ctree, node);
2334         }
2335
2336         gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
2337                                 type, 0.0);
2338
2339         if (summaryview->msg_is_toggled_on)
2340                 summary_display_msg(summaryview, summaryview->selected, FALSE);
2341 }
2342
2343 static void summary_toggle_view(SummaryView *summaryview)
2344 {
2345         MainWindow *mainwin = summaryview->mainwin;
2346         union CompositeWin *cwin = &mainwin->win;
2347         GtkWidget *vpaned = NULL;
2348         GtkWidget *container = NULL;
2349
2350         switch (mainwin->type) {
2351         case SEPARATE_NONE:
2352                 vpaned = cwin->sep_none.vpaned;
2353                 container = cwin->sep_none.hpaned;
2354                 break;
2355         case SEPARATE_FOLDER:
2356                 vpaned = cwin->sep_folder.vpaned;
2357                 container = mainwin->vbox_body;
2358                 break;
2359         case SEPARATE_MESSAGE:
2360         case SEPARATE_BOTH:
2361                 return;
2362         }
2363
2364         if (vpaned->parent != NULL) {
2365                 summaryview->msg_is_toggled_on = FALSE;
2366                 summaryview->displayed = NULL;
2367                 gtk_widget_ref(vpaned);
2368                 gtk_container_remove(GTK_CONTAINER(container), vpaned);
2369                 gtk_widget_reparent(GTK_WIDGET_PTR(summaryview), container);
2370                 gtk_arrow_set(GTK_ARROW(summaryview->toggle_arrow),
2371                               GTK_ARROW_UP, GTK_SHADOW_OUT);
2372         } else {
2373                 summaryview->msg_is_toggled_on = TRUE;
2374                 gtk_widget_reparent(GTK_WIDGET_PTR(summaryview), vpaned);
2375                 gtk_container_add(GTK_CONTAINER(container), vpaned);
2376                 gtk_widget_unref(vpaned);
2377                 gtk_arrow_set(GTK_ARROW(summaryview->toggle_arrow),
2378                               GTK_ARROW_DOWN, GTK_SHADOW_OUT);
2379         }
2380
2381         gtk_widget_grab_focus(summaryview->ctree);
2382 }
2383
2384 static gboolean summary_search_unread_recursive(GtkCTree *ctree,
2385                                                 GtkCTreeNode *node)
2386 {
2387         MsgInfo *msginfo;
2388
2389         if (node) {
2390                 msginfo = gtk_ctree_node_get_row_data(ctree, node);
2391                 if (msginfo && MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2392                         return TRUE;
2393                 node = GTK_CTREE_ROW(node)->children;
2394         } else
2395                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
2396
2397         while (node) {
2398                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2399                         return TRUE;
2400                 node = GTK_CTREE_ROW(node)->sibling;
2401         }
2402
2403         return FALSE;
2404 }
2405
2406 static gboolean summary_have_unread_children(SummaryView *summaryview,
2407                                              GtkCTreeNode *node)
2408 {
2409         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2410
2411         if (!node) return FALSE;
2412
2413         node = GTK_CTREE_ROW(node)->children;
2414
2415         while (node) {
2416                 if (summary_search_unread_recursive(ctree, node) == TRUE)
2417                         return TRUE;
2418                 node = GTK_CTREE_ROW(node)->sibling;
2419         }
2420
2421         return FALSE;
2422 }
2423
2424 static void summary_set_row_marks(SummaryView *summaryview, GtkCTreeNode *row)
2425 {
2426         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2427         GtkStyle *style = NULL;
2428         MsgInfo *msginfo;
2429         MsgFlags flags;
2430         gint *col_pos = summaryview->col_pos;
2431
2432         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2433         if (!msginfo) return;
2434
2435         flags = msginfo->flags;
2436
2437         gtk_ctree_node_set_foreground(ctree, row, NULL);
2438
2439         /* set new/unread column */
2440         if (MSG_IS_IGNORE_THREAD(flags)) {
2441                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2442                                           ignorethreadxpm, ignorethreadxpmmask);
2443         } else if (MSG_IS_NEW(flags)) {
2444                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2445                                           newxpm, newxpmmask);
2446         } else if (MSG_IS_UNREAD(flags)) {
2447                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2448                                           unreadxpm, unreadxpmmask);
2449         } else if (MSG_IS_REPLIED(flags)) {
2450                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2451                                           repliedxpm, repliedxpmmask);
2452         } else if (MSG_IS_FORWARDED(flags)) {
2453                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_UNREAD],
2454                                           forwardedxpm, forwardedxpmmask);
2455         } else {
2456                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_UNREAD],
2457                                         NULL);
2458         }
2459
2460         if (prefs_common.bold_unread &&
2461             ((MSG_IS_UNREAD(flags) && !MSG_IS_IGNORE_THREAD(flags)) ||
2462              (!GTK_CTREE_ROW(row)->expanded &&
2463               GTK_CTREE_ROW(row)->children &&
2464               summary_have_unread_children(summaryview, row))))
2465                 style = bold_style;
2466
2467         /* set mark column */
2468         if (MSG_IS_DELETED(flags)) {
2469                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
2470                                           deletedxpm, deletedxpmmask);
2471                 if (style)
2472                         style = bold_deleted_style;
2473                 else {
2474                         style = small_deleted_style;
2475                 }
2476                         gtk_ctree_node_set_foreground
2477                                 (ctree, row, &summaryview->color_dim);
2478         } else if (MSG_IS_MARKED(flags)) {
2479                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MARK],
2480                                           markxpm, markxpmmask);
2481         } else if (MSG_IS_MOVE(flags)) {
2482                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "o");
2483                 if (style)
2484                         style = bold_marked_style;
2485                 else {
2486                         style = small_marked_style;
2487                 }
2488                         gtk_ctree_node_set_foreground
2489                                 (ctree, row, &summaryview->color_marked);
2490         } else if (MSG_IS_COPY(flags)) {
2491                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], "O");
2492                 if (style)
2493                         style = bold_marked_style;
2494                 else {
2495                         style = small_marked_style;
2496                 }
2497                         gtk_ctree_node_set_foreground
2498                                 (ctree, row, &summaryview->color_marked);
2499         }
2500         else if ((global_scoring ||
2501                   summaryview->folder_item->prefs->scoring) &&
2502                  (msginfo->score >= summaryview->important_score) &&
2503                  (MSG_IS_MARKED(msginfo->flags) || MSG_IS_MOVE(msginfo->flags) || MSG_IS_COPY(msginfo->flags))) {
2504                 gtk_ctree_node_set_text(ctree, row, S_COL_MARK, "!");
2505                 gtk_ctree_node_set_foreground(ctree, row,
2506                                               &summaryview->color_important);
2507         } else {
2508                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MARK], NULL);
2509         }
2510
2511         if (MSG_IS_LOCKED(flags)) {
2512                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_LOCKED],
2513                                           lockedxpm, lockedxpmmask);
2514         }
2515         else {
2516                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_LOCKED], NULL);
2517         }
2518
2519         if (MSG_IS_MIME(flags)) {
2520                 gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
2521                                           clipxpm, clipxpmmask);
2522         } else {
2523                 gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_MIME], NULL);
2524         }
2525         if (!style)
2526                 style = small_style;
2527
2528         gtk_ctree_node_set_row_style(ctree, row, style);
2529
2530         if (MSG_GET_COLORLABEL(flags))
2531                 summary_set_colorlabel_color(ctree, row,
2532                                              MSG_GET_COLORLABEL_VALUE(flags));
2533 }
2534
2535 void summary_set_marks_selected(SummaryView *summaryview)
2536 {
2537         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2538         GList *cur;
2539
2540         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2541                 summary_set_row_marks(summaryview, GTK_CTREE_NODE(cur->data));
2542 }
2543
2544 static void summary_mark_row(SummaryView *summaryview, GtkCTreeNode *row)
2545 {
2546         gboolean changed = FALSE;
2547         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2548         MsgInfo *msginfo;
2549
2550         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2551         if (MSG_IS_DELETED(msginfo->flags))
2552                 summaryview->deleted--;
2553         if (MSG_IS_MOVE(msginfo->flags)) {
2554                 summaryview->moved--;
2555                 changed = TRUE;
2556         }
2557         if (MSG_IS_COPY(msginfo->flags)) {
2558                 summaryview->copied--;
2559                 changed = TRUE;
2560         }
2561         if (changed && !prefs_common.immediate_exec) {
2562                 msginfo->to_folder->op_count--;
2563                 if (msginfo->to_folder->op_count == 0)
2564                         folderview_update_item(msginfo->to_folder, 0);
2565         }
2566         msginfo->to_folder = NULL;
2567         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_DELETED);
2568         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_MOVE | MSG_COPY);
2569         MSG_SET_PERM_FLAGS(msginfo->flags, MSG_MARKED);
2570         CHANGE_FLAGS(msginfo);
2571         summary_set_row_marks(summaryview, row);
2572         debug_print(_("Message %d is marked\n"), msginfo->msgnum);
2573 }
2574
2575 static void summary_lock_row(SummaryView *summaryview, GtkCTreeNode *row)
2576 {
2577         /* almost verbatim summary_mark_row(); may want a menu action? */
2578         gboolean changed = FALSE;
2579         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2580         MsgInfo *msginfo;
2581
2582         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2583         if (MSG_IS_DELETED(msginfo->flags))
2584                 summaryview->deleted--;
2585         if (MSG_IS_MOVE(msginfo->flags)) {
2586                 summaryview->moved--;
2587                 changed = TRUE;
2588         }
2589         if (MSG_IS_COPY(msginfo->flags)) {
2590                 summaryview->copied--;
2591                 changed = TRUE;
2592         }
2593         if (changed && !prefs_common.immediate_exec) {
2594                 msginfo->to_folder->op_count--;
2595                 if (msginfo->to_folder->op_count == 0)
2596                         folderview_update_item(msginfo->to_folder, 0);
2597         }
2598         msginfo->to_folder = NULL;
2599         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_DELETED);
2600         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_MOVE | MSG_COPY);
2601         MSG_SET_PERM_FLAGS(msginfo->flags, MSG_LOCKED);
2602         CHANGE_FLAGS(msginfo);
2603         summary_set_row_marks(summaryview, row);
2604         debug_print(_("Message %d is locked\n"), msginfo->msgnum);
2605 }
2606
2607 void summary_mark(SummaryView *summaryview)
2608 {
2609         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2610         GList *cur;
2611
2612         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2613                 summary_mark_row(summaryview, GTK_CTREE_NODE(cur->data));
2614
2615         /* summary_step(summaryview, GTK_SCROLL_STEP_FORWARD); */
2616         summary_status_show(summaryview);
2617 }
2618
2619 static void summary_mark_row_as_read(SummaryView *summaryview,
2620                                      GtkCTreeNode *row)
2621 {
2622         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2623         MsgInfo *msginfo;
2624
2625         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2626         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2627                 summaryview->newmsgs--;
2628         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2629                 summaryview->unread--;
2630         if (MSG_IS_NEW(msginfo->flags) ||
2631             MSG_IS_UNREAD(msginfo->flags)) {
2632                 MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
2633                 CHANGE_FLAGS(msginfo);
2634                 summary_set_row_marks(summaryview, row);
2635                 debug_print(_("Message %d is marked as read\n"),
2636                             msginfo->msgnum);
2637         }
2638 }
2639
2640 void summary_mark_as_read(SummaryView *summaryview)
2641 {
2642         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2643         GList *cur;
2644
2645         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2646                 summary_mark_row_as_read(summaryview,
2647                                          GTK_CTREE_NODE(cur->data));
2648
2649         summary_status_show(summaryview);
2650 }
2651
2652 void summary_mark_all_read(SummaryView *summaryview)
2653 {
2654         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2655         GtkCList *clist = GTK_CLIST(summaryview->ctree);
2656         GtkCTreeNode *node;
2657
2658         gtk_clist_freeze(clist);
2659         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
2660              node = gtkut_ctree_node_next(ctree, node))
2661                 summary_mark_row_as_read(summaryview, node);
2662         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
2663              node = gtkut_ctree_node_next(ctree, node)) {
2664                 if (!GTK_CTREE_ROW(node)->expanded)
2665                         summary_set_row_marks(summaryview, node);
2666         }
2667         gtk_clist_thaw(clist);
2668
2669         summary_status_show(summaryview);
2670 }
2671
2672 static void summary_mark_row_as_unread(SummaryView *summaryview,
2673                                        GtkCTreeNode *row)
2674 {
2675         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2676         MsgInfo *msginfo;
2677
2678         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2679         if (MSG_IS_DELETED(msginfo->flags)) {
2680                 msginfo->to_folder = NULL;
2681                 MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_DELETED);
2682                 summaryview->deleted--;
2683         }
2684         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_REPLIED | MSG_FORWARDED);
2685         if (!MSG_IS_UNREAD(msginfo->flags)) {
2686                 MSG_SET_PERM_FLAGS(msginfo->flags, MSG_UNREAD);
2687                 summaryview->unread++;
2688                 debug_print(_("Message %d is marked as unread\n"),
2689                             msginfo->msgnum);
2690         }
2691
2692         CHANGE_FLAGS(msginfo);
2693
2694         summary_set_row_marks(summaryview, row);
2695 }
2696
2697 void summary_mark_as_unread(SummaryView *summaryview)
2698 {
2699         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2700         GList *cur;
2701
2702         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
2703                 summary_mark_row_as_unread(summaryview,
2704                                            GTK_CTREE_NODE(cur->data));
2705
2706         summary_status_show(summaryview);
2707 }
2708
2709 static void summary_delete_row(SummaryView *summaryview, GtkCTreeNode *row)
2710 {
2711         gboolean changed = FALSE;
2712         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2713         MsgInfo *msginfo;
2714
2715         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2716
2717         if (MSG_IS_LOCKED(msginfo->flags)) return;
2718
2719         if (MSG_IS_DELETED(msginfo->flags)) return;
2720
2721         if (MSG_IS_MOVE(msginfo->flags)) {
2722                 summaryview->moved--;
2723                 changed = TRUE;
2724         }
2725         if (MSG_IS_COPY(msginfo->flags)) {
2726                 summaryview->copied--;
2727                 changed = TRUE;
2728         }
2729         if (changed && !prefs_common.immediate_exec) {
2730                 msginfo->to_folder->op_count--;
2731                 if (msginfo->to_folder->op_count == 0)
2732                         folderview_update_item(msginfo->to_folder, 0);
2733         }
2734         msginfo->to_folder = NULL;
2735         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_MARKED);
2736         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_MOVE | MSG_COPY);
2737         MSG_SET_PERM_FLAGS(msginfo->flags, MSG_DELETED);
2738         CHANGE_FLAGS(msginfo);
2739         summaryview->deleted++;
2740
2741         if (!prefs_common.immediate_exec &&
2742             summaryview->folder_item->stype != F_TRASH)
2743                 summary_set_row_marks(summaryview, row);
2744
2745         debug_print(_("Message %s/%d is set to delete\n"),
2746                     msginfo->folder->path, msginfo->msgnum);
2747 }
2748
2749 void summary_delete(SummaryView *summaryview)
2750 {
2751         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2752         FolderItem *item = summaryview->folder_item;
2753         GList *cur;
2754         GtkCTreeNode *sel_last = NULL;
2755         GtkCTreeNode *node;
2756
2757         if (!item || item->folder->type == F_NEWS) return;
2758
2759         if (summary_is_locked(summaryview)) return;
2760
2761         /* if current folder is trash, ask for confirmation */
2762         if (item->stype == F_TRASH) {
2763                 AlertValue aval;
2764
2765                 aval = alertpanel(_("Delete message(s)"),
2766                                   _("Do you really want to delete message(s) from the trash?"),
2767                                   _("Yes"), _("No"), NULL);
2768                 if (aval != G_ALERTDEFAULT) return;
2769         }
2770
2771         /* next code sets current row focus right. We need to find a row
2772          * that is not deleted. */
2773         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
2774                 sel_last = GTK_CTREE_NODE(cur->data);
2775                 summary_delete_row(summaryview, sel_last);
2776         }
2777
2778         node = summary_find_next_msg(summaryview, sel_last);
2779         if (!node)
2780                 node = summary_find_prev_msg(summaryview, sel_last);
2781
2782         if (node) {
2783                 if (sel_last && node == gtkut_ctree_node_next(ctree, sel_last))
2784                         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
2785                 else if (sel_last && node == GTK_CTREE_NODE_PREV(sel_last))
2786                         summary_step(summaryview, GTK_SCROLL_STEP_BACKWARD);
2787                 else
2788                         summary_select_node(summaryview, node,
2789                                             summaryview->msg_is_toggled_on);
2790         }
2791
2792         if (prefs_common.immediate_exec || item->stype == F_TRASH)
2793                 summary_execute(summaryview);
2794         else
2795                 summary_status_show(summaryview);
2796 }
2797
2798 void summary_delete_duplicated(SummaryView *summaryview)
2799 {
2800         if (!summaryview->folder_item ||
2801             summaryview->folder_item->folder->type == F_NEWS) return;
2802         if (summaryview->folder_item->stype == F_TRASH) return;
2803
2804         main_window_cursor_wait(summaryview->mainwin);
2805         debug_print(_("Deleting duplicated messages..."));
2806         STATUSBAR_PUSH(summaryview->mainwin,
2807                        _("Deleting duplicated messages..."));
2808
2809         gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
2810                                 GTK_CTREE_FUNC(summary_delete_duplicated_func),
2811                                 summaryview);
2812
2813         if (prefs_common.immediate_exec)
2814                 summary_execute(summaryview);
2815         else
2816                 summary_status_show(summaryview);
2817
2818         debug_print(_("done.\n"));
2819         STATUSBAR_POP(summaryview->mainwin);
2820         main_window_cursor_normal(summaryview->mainwin);
2821 }
2822
2823 static void summary_delete_duplicated_func(GtkCTree *ctree, GtkCTreeNode *node,
2824                                            SummaryView *summaryview)
2825 {
2826         GtkCTreeNode *found;
2827         MsgInfo *msginfo = GTK_CTREE_ROW(node)->row.data;
2828
2829         if (!msginfo->msgid || !*msginfo->msgid) return;
2830
2831         found = g_hash_table_lookup(summaryview->msgid_table, msginfo->msgid);
2832
2833         if (found && found != node)
2834                 summary_delete_row(summaryview, node);
2835 }
2836
2837 static void summary_unmark_row(SummaryView *summaryview, GtkCTreeNode *row)
2838 {
2839         gboolean changed = FALSE;
2840         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2841         MsgInfo *msginfo;
2842
2843         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2844         if (MSG_IS_DELETED(msginfo->flags))
2845                 summaryview->deleted--;
2846         if (MSG_IS_MOVE(msginfo->flags)) {
2847                 summaryview->moved--;
2848                 changed = TRUE;
2849         }
2850         if (MSG_IS_COPY(msginfo->flags)) {
2851                 summaryview->copied--;
2852                 changed = TRUE;
2853         }
2854         if (changed && !prefs_common.immediate_exec) {
2855                 msginfo->to_folder->op_count--;
2856                 if (msginfo->to_folder->op_count == 0)
2857                         folderview_update_item(msginfo->to_folder, 0);
2858         }
2859         msginfo->to_folder = NULL;
2860         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_MARKED | MSG_DELETED);
2861         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_MOVE | MSG_COPY);
2862         CHANGE_FLAGS(msginfo);
2863         summary_set_row_marks(summaryview, row);
2864
2865         debug_print(_("Message %s/%d is unmarked\n"),
2866                     msginfo->folder->path, msginfo->msgnum);
2867 }
2868
2869 void summary_unmark(SummaryView *summaryview)
2870 {
2871         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2872         GList *cur;
2873
2874         for (cur = GTK_CLIST(ctree)->selection; cur != NULL;
2875              cur = cur->next)
2876                 summary_unmark_row(summaryview, GTK_CTREE_NODE(cur->data));
2877
2878         summary_status_show(summaryview);
2879 }
2880
2881 static void summary_move_row_to(SummaryView *summaryview, GtkCTreeNode *row,
2882                                 FolderItem *to_folder)
2883 {
2884         gboolean changed = FALSE;
2885         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2886         MsgInfo *msginfo;
2887
2888         g_return_if_fail(to_folder != NULL);
2889
2890         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2891         if (MSG_IS_MOVE(msginfo->flags)) {
2892                 if (!prefs_common.immediate_exec) {
2893                         msginfo->to_folder->op_count--;
2894                         if (msginfo->to_folder->op_count == 0) {
2895                                 folderview_update_item(msginfo->to_folder, 0);
2896                                 changed = TRUE;
2897                         }
2898                 }
2899         }
2900         msginfo->to_folder = to_folder;
2901         if (MSG_IS_DELETED(msginfo->flags))
2902                 summaryview->deleted--;
2903         if (MSG_IS_COPY(msginfo->flags)) {
2904                 summaryview->copied--;
2905                 if (!prefs_common.immediate_exec)
2906                         msginfo->to_folder->op_count--;
2907         }
2908         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_MARKED | MSG_DELETED);
2909         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_COPY);
2910         if (!MSG_IS_MOVE(msginfo->flags)) {
2911                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MOVE);
2912                 summaryview->moved++;
2913                 changed = TRUE;
2914         }
2915         if (!prefs_common.immediate_exec) {
2916                 summary_set_row_marks(summaryview, row);
2917                 if (changed) {
2918                         msginfo->to_folder->op_count++;
2919                         if (msginfo->to_folder->op_count == 1)
2920                                 folderview_update_item(msginfo->to_folder, 0);
2921                 }
2922         }
2923
2924         debug_print(_("Message %d is set to move to %s\n"),
2925                     msginfo->msgnum, to_folder->path);
2926 }
2927
2928 void summary_move_selected_to(SummaryView *summaryview, FolderItem *to_folder)
2929 {
2930         GList *cur;
2931
2932         if (!to_folder) return;
2933         if (!summaryview->folder_item ||
2934             summaryview->folder_item->folder->type == F_NEWS) return;
2935
2936         if (summary_is_locked(summaryview)) return;
2937
2938         if (summaryview->folder_item == to_folder) {
2939                 alertpanel_notice(_("Destination is same as current folder."));
2940                 return;
2941         }
2942
2943         for (cur = GTK_CLIST(summaryview->ctree)->selection;
2944              cur != NULL; cur = cur->next)
2945                 summary_move_row_to
2946                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
2947
2948         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
2949
2950         if (prefs_common.immediate_exec)
2951                 summary_execute(summaryview);
2952         else {
2953                 summary_status_show(summaryview);
2954
2955                 folderview_update_item(to_folder, 0);
2956         }
2957 }
2958
2959 void summary_move_to(SummaryView *summaryview)
2960 {
2961         FolderItem *to_folder;
2962
2963         if (!summaryview->folder_item ||
2964             summaryview->folder_item->folder->type == F_NEWS) return;
2965
2966         to_folder = foldersel_folder_sel(NULL, NULL);
2967         summary_move_selected_to(summaryview, to_folder);
2968 }
2969
2970 static void summary_copy_row_to(SummaryView *summaryview, GtkCTreeNode *row,
2971                                 FolderItem *to_folder)
2972 {
2973         gboolean changed = FALSE;
2974         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
2975         MsgInfo *msginfo;
2976
2977         g_return_if_fail(to_folder != NULL);
2978
2979         msginfo = gtk_ctree_node_get_row_data(ctree, row);
2980         if (MSG_IS_COPY(msginfo->flags)) {
2981                 if (!prefs_common.immediate_exec) {
2982                         msginfo->to_folder->op_count--;
2983                         if (msginfo->to_folder->op_count == 0) {
2984                                 folderview_update_item(msginfo->to_folder, 0);
2985                                 changed = TRUE;
2986                         }
2987                 }
2988         }
2989         msginfo->to_folder = to_folder;
2990         if (MSG_IS_DELETED(msginfo->flags))
2991                 summaryview->deleted--;
2992         if (MSG_IS_MOVE(msginfo->flags)) {
2993                 summaryview->moved--;
2994                 if (!prefs_common.immediate_exec)
2995                         msginfo->to_folder->op_count--;
2996         }
2997         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_MARKED | MSG_DELETED);
2998         MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_MOVE);
2999         if (!MSG_IS_COPY(msginfo->flags)) {
3000                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_COPY);
3001                 summaryview->copied++;
3002                 changed = TRUE;
3003         }
3004         if (!prefs_common.immediate_exec) {
3005                 summary_set_row_marks(summaryview, row);
3006                 if (changed) {
3007                         msginfo->to_folder->op_count++;
3008                         if (msginfo->to_folder->op_count == 1)
3009                                 folderview_update_item(msginfo->to_folder, 0);
3010                 }
3011         }
3012
3013         debug_print(_("Message %d is set to copy to %s\n"),
3014                     msginfo->msgnum, to_folder->path);
3015 }
3016
3017 void summary_copy_selected_to(SummaryView *summaryview, FolderItem *to_folder)
3018 {
3019         GList *cur;
3020
3021         if (!to_folder) return;
3022         if (!summaryview->folder_item ||
3023             summaryview->folder_item->folder->type == F_NEWS) return;
3024
3025         if (summary_is_locked(summaryview)) return;
3026
3027         if (summaryview->folder_item == to_folder) {
3028                 alertpanel_notice
3029                         (_("Destination to copy is same as current folder."));
3030                 return;
3031         }
3032
3033         for (cur = GTK_CLIST(summaryview->ctree)->selection;
3034              cur != NULL; cur = cur->next)
3035                 summary_copy_row_to
3036                         (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
3037
3038         summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
3039
3040         if (prefs_common.immediate_exec)
3041                 summary_execute(summaryview);
3042         else {
3043                 summary_status_show(summaryview);
3044
3045                 folderview_update_item(to_folder, 0);
3046         }
3047 }
3048
3049 void summary_copy_to(SummaryView *summaryview)
3050 {
3051         FolderItem *to_folder;
3052
3053         if (!summaryview->folder_item ||
3054             summaryview->folder_item->folder->type == F_NEWS) return;
3055
3056         to_folder = foldersel_folder_sel(NULL, NULL);
3057         summary_copy_selected_to(summaryview, to_folder);
3058 }
3059
3060 void summary_add_address(SummaryView *summaryview)
3061 {
3062         MsgInfo *msginfo;
3063         gchar *from;
3064
3065         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
3066                                               summaryview->selected);
3067         if (!msginfo) return;
3068
3069         Xstrdup_a(from, msginfo->from, return);
3070         eliminate_address_comment(from);
3071         extract_address(from);
3072         addressbook_add_contact(msginfo->fromname, from, NULL);
3073 }
3074
3075 void summary_select_all(SummaryView *summaryview)
3076 {
3077         if (summaryview->messages >= 500) {
3078                 STATUSBAR_PUSH(summaryview->mainwin,
3079                                _("Selecting all messages..."));
3080                 main_window_cursor_wait(summaryview->mainwin);
3081         }
3082
3083         gtk_clist_select_all(GTK_CLIST(summaryview->ctree));
3084
3085         if (summaryview->messages >= 500) {
3086                 STATUSBAR_POP(summaryview->mainwin);
3087                 main_window_cursor_normal(summaryview->mainwin);
3088         }
3089 }
3090
3091 void summary_unselect_all(SummaryView *summaryview)
3092 {
3093         gtk_sctree_unselect_all(GTK_SCTREE(summaryview->ctree));
3094 }
3095
3096 void summary_save_as(SummaryView *summaryview)
3097 {
3098         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3099         MsgInfo *msginfo;
3100         gchar *src, *dest;
3101
3102         if (!summaryview->selected) return;
3103         msginfo = gtk_ctree_node_get_row_data(ctree, summaryview->selected);
3104         if (!msginfo) return;
3105
3106         dest = filesel_select_file(_("Save as"), NULL);
3107         if (!dest) return;
3108         if (is_file_exist(dest)) {
3109                 AlertValue aval;
3110
3111                 aval = alertpanel(_("Overwrite"),
3112                                   _("Overwrite existing file?"),
3113                                   _("OK"), _("Cancel"), NULL);
3114                 if (G_ALERTDEFAULT != aval) return;
3115         }
3116
3117         src = procmsg_get_message_file(msginfo);
3118         copy_file(src, dest);
3119         g_free(src);
3120 }
3121
3122 void summary_print(SummaryView *summaryview)
3123 {
3124         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3125         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3126         MsgInfo *msginfo;
3127         GList *cur;
3128         gchar *cmdline;
3129         gchar *p;
3130
3131         if (clist->selection == NULL) return;
3132
3133         cmdline = input_dialog(_("Print"),
3134                                _("Enter the print command line:\n"
3135                                  "(`%s' will be replaced with file name)"),
3136                                prefs_common.print_cmd);
3137         if (!cmdline) return;
3138         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
3139             strchr(p + 2, '%')) {
3140                 alertpanel_error(_("Print command line is invalid:\n`%s'"),
3141                                  cmdline);
3142                 g_free(cmdline);
3143                 return;
3144         }
3145
3146         for (cur = clist->selection; cur != NULL; cur = cur->next) {
3147                 msginfo = gtk_ctree_node_get_row_data
3148                         (ctree, GTK_CTREE_NODE(cur->data));
3149                 if (msginfo) procmsg_print_message(msginfo, cmdline);
3150         }
3151
3152         g_free(cmdline);
3153 }
3154
3155 gboolean summary_execute(SummaryView *summaryview)
3156 {
3157         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3158         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3159         GtkCTreeNode *node, *next;
3160
3161         if (!summaryview->folder_item ||
3162             summaryview->folder_item->folder->type == F_NEWS) return FALSE;
3163
3164         if (summary_is_locked(summaryview)) return FALSE;
3165         summary_lock(summaryview);
3166
3167         gtk_clist_freeze(clist);
3168
3169         if (summaryview->folder_item->threaded)
3170                 summary_unthread_for_exec(summaryview);
3171
3172         summary_execute_move(summaryview);
3173         summary_execute_copy(summaryview);
3174         summary_execute_delete(summaryview);
3175
3176         node = GTK_CTREE_NODE(clist->row_list);
3177         while (node != NULL) {
3178                 next = gtkut_ctree_node_next(ctree, node);
3179                 if (gtk_ctree_node_get_row_data(ctree, node) == NULL) {
3180                         if (node == summaryview->displayed) {
3181                                 messageview_clear(summaryview->messageview);
3182                                 summaryview->displayed = NULL;
3183                         }
3184                         if (GTK_CTREE_ROW(node)->children != NULL)
3185                                 g_warning("summary_execute(): children != NULL\n");
3186                         else
3187                                 gtk_ctree_remove_node(ctree, node);
3188                 }
3189                 node = next;
3190         }
3191
3192         if (summaryview->folder_item->threaded)
3193                 summary_thread_build(summaryview);
3194
3195         summaryview->selected = clist->selection ?
3196                 GTK_CTREE_NODE(clist->selection->data) : NULL;
3197
3198         if (!GTK_CLIST(summaryview->ctree)->row_list) {
3199                 menu_set_insensitive_all
3200                         (GTK_MENU_SHELL(summaryview->popupmenu));
3201                 gtk_widget_grab_focus(summaryview->folderview->ctree);
3202         } else
3203                 gtk_widget_grab_focus(summaryview->ctree);
3204
3205         summary_update_status(summaryview);
3206         summary_status_show(summaryview);
3207
3208         summary_write_cache(summaryview);
3209
3210         gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
3211
3212         gtk_clist_thaw(clist);
3213
3214         summary_unlock(summaryview);
3215         return TRUE;
3216 }
3217
3218 static void summary_execute_move(SummaryView *summaryview)
3219 {
3220         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3221         GSList *cur;
3222
3223         summaryview->folder_table = g_hash_table_new(NULL, NULL);
3224
3225         /* search moving messages and execute */
3226         gtk_ctree_pre_recursive(ctree, NULL, summary_execute_move_func,
3227                                 summaryview);
3228
3229         if (summaryview->mlist) {
3230                 procmsg_move_messages(summaryview->mlist);
3231
3232                 folder_item_scan_foreach(summaryview->folder_table);
3233                 folderview_update_item_foreach(summaryview->folder_table);
3234
3235                 for (cur = summaryview->mlist; cur != NULL; cur = cur->next)
3236                         procmsg_msginfo_free((MsgInfo *)cur->data);
3237                 g_slist_free(summaryview->mlist);
3238                 summaryview->mlist = NULL;
3239         }
3240
3241         g_hash_table_destroy(summaryview->folder_table);
3242         summaryview->folder_table = NULL;
3243 }
3244
3245 static void summary_execute_move_func(GtkCTree *ctree, GtkCTreeNode *node,
3246                                       gpointer data)
3247 {
3248         SummaryView *summaryview = data;
3249         MsgInfo *msginfo;
3250
3251         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3252
3253         if (msginfo && MSG_IS_MOVE(msginfo->flags) && msginfo->to_folder) {
3254                 g_hash_table_insert(summaryview->folder_table,
3255                                     msginfo->to_folder, GINT_TO_POINTER(1));
3256
3257                 summaryview->mlist =
3258                         g_slist_append(summaryview->mlist, msginfo);
3259                 gtk_ctree_node_set_row_data(ctree, node, NULL);
3260
3261                 if (msginfo->msgid && *msginfo->msgid &&
3262                     node == g_hash_table_lookup(summaryview->msgid_table,
3263                                                 msginfo->msgid))
3264                         g_hash_table_remove(summaryview->msgid_table,
3265                                             msginfo->msgid);
3266         }
3267 }
3268
3269 static void summary_execute_copy(SummaryView *summaryview)
3270 {
3271         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3272
3273         summaryview->folder_table = g_hash_table_new(NULL, NULL);
3274
3275         /* search copying messages and execute */
3276         gtk_ctree_pre_recursive(ctree, NULL, summary_execute_copy_func,
3277                                 summaryview);
3278
3279         if (summaryview->mlist) {
3280                 procmsg_copy_messages(summaryview->mlist);
3281
3282                 folder_item_scan_foreach(summaryview->folder_table);
3283                 folderview_update_item_foreach(summaryview->folder_table);
3284
3285                 g_slist_free(summaryview->mlist);
3286                 summaryview->mlist = NULL;
3287         }
3288
3289         g_hash_table_destroy(summaryview->folder_table);
3290         summaryview->folder_table = NULL;
3291 }
3292
3293 static void summary_execute_copy_func(GtkCTree *ctree, GtkCTreeNode *node,
3294                                       gpointer data)
3295 {
3296         SummaryView *summaryview = data;
3297         MsgInfo *msginfo;
3298
3299         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3300
3301         if (msginfo && MSG_IS_COPY(msginfo->flags) && msginfo->to_folder) {
3302                 g_hash_table_insert(summaryview->folder_table,
3303                                     msginfo->to_folder, GINT_TO_POINTER(1));
3304
3305                 summaryview->mlist =
3306                         g_slist_append(summaryview->mlist, msginfo);
3307
3308                 MSG_UNSET_TMP_FLAGS(msginfo->flags, MSG_COPY);
3309                 summary_set_row_marks(summaryview, node);
3310         }
3311 }
3312
3313 static void summary_execute_delete(SummaryView *summaryview)
3314 {
3315         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3316         FolderItem *trash;
3317         GSList *cur;
3318
3319         trash = summaryview->folder_item->folder->trash;
3320         if (summaryview->folder_item->folder->type == F_MH) {
3321                 g_return_if_fail(trash != NULL);
3322         }
3323
3324         /* search deleting messages and execute */
3325         gtk_ctree_pre_recursive
3326                 (ctree, NULL, summary_execute_delete_func, summaryview);
3327
3328         if (!summaryview->mlist) return;
3329
3330         if (summaryview->folder_item != trash)
3331                 folder_item_move_msgs_with_dest(trash, summaryview->mlist);
3332         else
3333                 folder_item_remove_msgs(trash, summaryview->mlist);
3334
3335         for (cur = summaryview->mlist; cur != NULL; cur = cur->next)
3336                 procmsg_msginfo_free((MsgInfo *)cur->data);
3337
3338         g_slist_free(summaryview->mlist);
3339         summaryview->mlist = NULL;
3340
3341         if (summaryview->folder_item != trash) {
3342                 folder_item_scan(trash);
3343                 folderview_update_item(trash, FALSE);
3344         }
3345 }
3346
3347 static void summary_execute_delete_func(GtkCTree *ctree, GtkCTreeNode *node,
3348                                         gpointer data)
3349 {
3350         SummaryView *summaryview = data;
3351         MsgInfo *msginfo;
3352
3353         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3354
3355         if (msginfo && MSG_IS_DELETED(msginfo->flags)) {
3356                 summaryview->mlist =
3357                         g_slist_append(summaryview->mlist, msginfo);
3358                 gtk_ctree_node_set_row_data(ctree, node, NULL);
3359
3360                 if (msginfo->msgid && *msginfo->msgid &&
3361                     node == g_hash_table_lookup(summaryview->msgid_table,
3362                                                 msginfo->msgid))
3363                         g_hash_table_remove(summaryview->msgid_table,
3364                                             msginfo->msgid);
3365         }
3366 }
3367
3368 /* thread functions */
3369
3370 void summary_thread_build(SummaryView *summaryview)
3371 {
3372         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3373         GtkCTreeNode *node;
3374         GtkCTreeNode *next;
3375         GtkCTreeNode *parent;
3376         MsgInfo *msginfo;
3377
3378         summary_lock(summaryview);
3379
3380         debug_print(_("Building threads..."));
3381         STATUSBAR_PUSH(summaryview->mainwin, _("Building threads..."));
3382         main_window_cursor_wait(summaryview->mainwin);
3383
3384         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree),
3385                                          summary_tree_expanded, summaryview);
3386         gtk_clist_freeze(GTK_CLIST(ctree));
3387
3388         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
3389         while (node) {
3390                 next = GTK_CTREE_ROW(node)->sibling;
3391
3392                 msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3393
3394                 parent = NULL;
3395
3396                 /* alfons - claws seems to prefer subject threading before
3397                  * inreplyto threading. we should look more deeply in this,
3398                  * because inreplyto should have precedence... */
3399                 if (msginfo && msginfo->inreplyto) {
3400                         parent = g_hash_table_lookup(summaryview->msgid_table,
3401                                                      msginfo->inreplyto);
3402                 }
3403
3404                 if (parent == NULL) {
3405                         parent = subject_table_lookup
3406                                 (summaryview->subject_table,
3407                                  msginfo->subject);
3408                 }
3409
3410                 if (parent && parent != node) {
3411                         gtk_ctree_move(ctree, node, parent, NULL);
3412                         gtk_ctree_expand(ctree, node);
3413                 }
3414
3415                 node = next;
3416         }
3417
3418         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
3419
3420         while (node) {
3421                 next = GTK_CTREE_NODE_NEXT(node);
3422                 if (prefs_common.expand_thread)
3423                         gtk_ctree_expand(ctree, node);
3424                 if (prefs_common.bold_unread &&
3425                     GTK_CTREE_ROW(node)->children)
3426                         summary_set_row_marks(summaryview, node);
3427                 node = next;
3428         }
3429
3430         gtk_clist_thaw(GTK_CLIST(ctree));
3431         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
3432                                            summary_tree_expanded, summaryview);
3433
3434         debug_print(_("done.\n"));
3435         STATUSBAR_POP(summaryview->mainwin);
3436         main_window_cursor_normal(summaryview->mainwin);
3437
3438         summary_unlock(summaryview);
3439 }
3440
3441 static void summary_thread_init(SummaryView *summaryview)
3442 {
3443         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3444         GtkCTreeNode *node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
3445         GtkCTreeNode *next;
3446
3447         if (prefs_common.expand_thread) {
3448                 while (node) {
3449                         next = GTK_CTREE_ROW(node)->sibling;
3450                         if (GTK_CTREE_ROW(node)->children)
3451                                 gtk_ctree_expand(ctree, node);
3452                         node = next;
3453                 }
3454         } else if (prefs_common.bold_unread) {
3455                 while (node) {
3456                         next = GTK_CTREE_ROW(node)->sibling;
3457                         if (GTK_CTREE_ROW(node)->children)
3458                                 summary_set_row_marks(summaryview, node);
3459                         node = next;
3460                 }
3461         }
3462 }
3463
3464 void summary_unthread(SummaryView *summaryview)
3465 {
3466         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3467         GtkCTreeNode *node;
3468         GtkCTreeNode *child;
3469         GtkCTreeNode *sibling;
3470         GtkCTreeNode *next_child;
3471
3472         summary_lock(summaryview);
3473
3474         debug_print(_("Unthreading..."));
3475         STATUSBAR_PUSH(summaryview->mainwin, _("Unthreading..."));
3476         main_window_cursor_wait(summaryview->mainwin);
3477
3478         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree),
3479                                          summary_tree_collapsed, summaryview);
3480         gtk_clist_freeze(GTK_CLIST(ctree));
3481
3482         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
3483              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
3484                 child = GTK_CTREE_ROW(node)->children;
3485                 sibling = GTK_CTREE_ROW(node)->sibling;
3486
3487                 while (child != NULL) {
3488                         next_child = GTK_CTREE_ROW(child)->sibling;
3489                         gtk_ctree_move(ctree, child, NULL, sibling);
3490                         child = next_child;
3491                 }
3492         }
3493
3494         gtk_clist_thaw(GTK_CLIST(ctree));
3495         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
3496                                            summary_tree_collapsed, summaryview);
3497
3498         debug_print(_("done.\n"));
3499         STATUSBAR_POP(summaryview->mainwin);
3500         main_window_cursor_normal(summaryview->mainwin);
3501
3502         summary_unlock(summaryview);
3503 }
3504
3505 static void summary_unthread_for_exec(SummaryView *summaryview)
3506 {
3507         GtkCTreeNode *node;
3508         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3509
3510         summary_lock(summaryview);
3511
3512         debug_print(_("Unthreading for execution..."));
3513
3514         gtk_clist_freeze(GTK_CLIST(ctree));
3515
3516         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
3517              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
3518                 summary_unthread_for_exec_func(ctree, node, NULL);
3519         }
3520
3521         gtk_clist_thaw(GTK_CLIST(ctree));
3522
3523         debug_print(_("done.\n"));
3524
3525         summary_unlock(summaryview);
3526 }
3527
3528 static void summary_unthread_for_exec_func(GtkCTree *ctree, GtkCTreeNode *node,
3529                                            gpointer data)
3530 {
3531         MsgInfo *msginfo;
3532         GtkCTreeNode *top_parent;
3533         GtkCTreeNode *child;
3534         GtkCTreeNode *sibling;
3535
3536         msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3537
3538         if (!msginfo ||
3539             (!MSG_IS_MOVE(msginfo->flags) &&
3540              !MSG_IS_DELETED(msginfo->flags)))
3541                 return;
3542         child = GTK_CTREE_ROW(node)->children;
3543         if (!child) return;
3544
3545         for (top_parent = node;
3546              GTK_CTREE_ROW(top_parent)->parent != NULL;
3547              top_parent = GTK_CTREE_ROW(top_parent)->parent)
3548                 ;
3549         sibling = GTK_CTREE_ROW(top_parent)->sibling;
3550
3551         while (child != NULL) {
3552                 GtkCTreeNode *next_child;
3553
3554                 next_child = GTK_CTREE_ROW(child)->sibling;
3555                 gtk_ctree_move(ctree, child, NULL, sibling);
3556                 child = next_child;
3557         }
3558 }
3559
3560 void summary_filter(SummaryView *summaryview)
3561 {
3562         if (!prefs_common.fltlist && !global_processing) {
3563                 alertpanel_error(_("No filter rules defined."));
3564                 return;
3565         }
3566
3567         summary_lock(summaryview);
3568
3569         debug_print(_("filtering..."));
3570         STATUSBAR_PUSH(summaryview->mainwin, _("Filtering..."));
3571         main_window_cursor_wait(summaryview->mainwin);
3572
3573         gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
3574
3575         if (global_processing == NULL) {
3576                 gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
3577                                         GTK_CTREE_FUNC(summary_filter_func),
3578                                         summaryview);
3579
3580                 gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
3581
3582                 if (prefs_common.immediate_exec) {
3583                         summary_unlock(summaryview);
3584                         summary_execute(summaryview);
3585                         summary_lock(summaryview);
3586                 } else
3587                         summary_status_show(summaryview);
3588         }
3589         else {
3590                 summaryview->folder_table = g_hash_table_new(NULL, NULL);
3591
3592                 gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
3593                                         GTK_CTREE_FUNC(summary_filter_func),
3594                                         summaryview);
3595
3596                 gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
3597
3598                 folder_item_scan_foreach(summaryview->folder_table);
3599                 folderview_update_item_foreach(summaryview->folder_table);
3600
3601                 g_hash_table_destroy(summaryview->folder_table);
3602                 summaryview->folder_table = NULL;
3603
3604                 summary_show(summaryview, summaryview->folder_item, FALSE);
3605         }
3606
3607         debug_print(_("done.\n"));
3608         STATUSBAR_POP(summaryview->mainwin);
3609         main_window_cursor_normal(summaryview->mainwin);
3610
3611         summary_unlock(summaryview);
3612 }
3613
3614 static void summary_filter_func(GtkCTree *ctree, GtkCTreeNode *node,
3615                                 gpointer data)
3616 {
3617         MsgInfo *msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
3618         SummaryView *summaryview = data;
3619         gchar *file;
3620         FolderItem *dest;
3621
3622         if (global_processing == NULL) {
3623                 /* old filtering */
3624                 file = procmsg_get_message_file_path(msginfo);
3625                 dest = filter_get_dest_folder(prefs_common.fltlist, file);
3626                 g_free(file);
3627
3628                 if (dest && strcmp2(dest->path, FILTER_NOT_RECEIVE) != 0 &&
3629                     summaryview->folder_item != dest)
3630                         summary_move_row_to(summaryview, node, dest);
3631         }
3632         else
3633                 filter_msginfo_move_or_delete(global_processing, msginfo,
3634                                               summaryview->folder_table);
3635 }
3636
3637 /* color label */
3638
3639 #define N_COLOR_LABELS colorlabel_get_color_count()
3640
3641 static void summary_colorlabel_menu_item_activate_cb(GtkWidget *widget,
3642                                                      gpointer data)
3643 {
3644         guint color = GPOINTER_TO_UINT(data);
3645         SummaryView *summaryview;
3646
3647         summaryview = gtk_object_get_data(GTK_OBJECT(widget), "summaryview");
3648         g_return_if_fail(summaryview != NULL);
3649
3650         /* "dont_toggle" state set? */
3651         if (gtk_object_get_data(GTK_OBJECT(summaryview->colorlabel_menu),
3652                                 "dont_toggle"))
3653                 return;
3654
3655         summary_set_colorlabel(summaryview, color, NULL);
3656 }
3657
3658 /* summary_set_colorlabel_color() - labelcolor parameter is the color *flag*
3659  * for the messsage; not the color index */
3660 void summary_set_colorlabel_color(GtkCTree *ctree, GtkCTreeNode *node,
3661                                   guint labelcolor)
3662 {
3663         GdkColor color;
3664         GtkStyle *style, *prev_style, *ctree_style;
3665         MsgInfo *msginfo;
3666         gint color_index;
3667
3668         msginfo = gtk_ctree_node_get_row_data(ctree, node);
3669         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_CLABEL_FLAG_MASK);
3670         MSG_SET_COLORLABEL_VALUE(msginfo->flags, labelcolor);
3671
3672         color_index = labelcolor == 0 ? -1 : (gint)labelcolor - 1;
3673         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
3674         prev_style = gtk_ctree_node_get_row_style(ctree, node);
3675
3676         if (color_index < 0 || color_index >= N_COLOR_LABELS) {
3677                 if (!prev_style) return;
3678                 style = gtk_style_copy(prev_style);
3679                 color = ctree_style->fg[GTK_STATE_NORMAL];
3680                 style->fg[GTK_STATE_NORMAL] = color;
3681                 color = ctree_style->fg[GTK_STATE_SELECTED];
3682                 style->fg[GTK_STATE_SELECTED] = color;
3683         } else {
3684                 if (prev_style)
3685                         style = gtk_style_copy(prev_style);
3686                 else
3687                         style = gtk_style_copy(ctree_style);
3688                 color = colorlabel_get_color(color_index);
3689                 style->fg[GTK_STATE_NORMAL] = color;
3690                 /* get the average of label color and selected fg color
3691                    for visibility */
3692                 style->fg[GTK_STATE_SELECTED].red   = (color.red   + ctree_style->fg[GTK_STATE_SELECTED].red  ) / 2;
3693                 style->fg[GTK_STATE_SELECTED].green = (color.green + ctree_style->fg[GTK_STATE_SELECTED].green) / 2;
3694                 style->fg[GTK_STATE_SELECTED].blue  = (color.blue  + ctree_style->fg[GTK_STATE_SELECTED].blue ) / 2;
3695         }
3696
3697         gtk_ctree_node_set_row_style(ctree, node, style);
3698 }
3699
3700 void summary_set_colorlabel(SummaryView *summaryview, guint labelcolor,
3701                             GtkWidget *widget)
3702 {
3703         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
3704         GtkCList *clist = GTK_CLIST(summaryview->ctree);
3705         GList *cur;
3706
3707         for (cur = clist->selection; cur != NULL; cur = cur->next)
3708                 summary_set_colorlabel_color(ctree, GTK_CTREE_NODE(cur->data),
3709                                              labelcolor);
3710 }
3711
3712 static void summary_colorlabel_menu_item_activate_item_cb(GtkMenuItem *menu_item,
3713                                                           gpointer data)
3714 {
3715         SummaryView *summaryview;
3716         GtkMenuShell *menu;
3717         GtkCheckMenuItem **items;
3718         gint n;
3719         GList *cur, *sel;
3720
3721         summaryview = (SummaryView *)data;
3722         g_return_if_fail(summaryview != NULL);
3723
3724         sel = GTK_CLIST(summaryview->ctree)->selection;
3725         if (!sel) return;
3726
3727         menu = GTK_MENU_SHELL(summaryview->colorlabel_menu);
3728         g_return_if_fail(menu != NULL);
3729
3730         Xalloca(items, (N_COLOR_LABELS + 1) * sizeof(GtkWidget *), return);
3731
3732         /* NOTE: don't return prematurely because we set the "dont_toggle"
3733          * state for check menu items */
3734         gtk_object_set_data(GTK_OBJECT(menu), "dont_toggle",
3735                             GINT_TO_POINTER(1));
3736
3737         /* clear items. get item pointers. */
3738         for (n = 0, cur = menu->children; cur != NULL; cur = cur->next) {
3739                 if (GTK_IS_CHECK_MENU_ITEM(cur->data)) {
3740                         gtk_check_menu_item_set_state
3741                                 (GTK_CHECK_MENU_ITEM(cur->data), FALSE);
3742                         items[n] = GTK_CHECK_MENU_ITEM(cur->data);
3743                         n++;
3744                 }
3745         }
3746
3747         if (n == (N_COLOR_LABELS + 1)) {
3748                 /* iterate all messages and set the state of the appropriate
3749                  * items */
3750                 for (; sel != NULL; sel = sel->next) {
3751                         MsgInfo *msginfo;
3752                         gint clabel;
3753
3754                         msginfo = gtk_ctree_node_get_row_data
3755                                 (GTK_CTREE(summaryview->ctree),
3756                                  GTK_CTREE_NODE(sel->data));
3757                         if (msginfo) {
3758                                 clabel = MSG_GET_COLORLABEL_VALUE(msginfo->flags);
3759                                 if (!items[clabel]->active)
3760                                         gtk_check_menu_item_set_state
3761                                                 (items[clabel], TRUE);
3762                         }
3763                 }
3764         } else
3765                 g_warning("invalid number of color elements (%d)\n", n);
3766
3767         /* reset "dont_toggle" state */
3768         gtk_object_set_data(GTK_OBJECT(menu), "dont_toggle",
3769                             GINT_TO_POINTER(0));
3770 }
3771
3772 static void summary_colorlabel_menu_create(SummaryView *summaryview)
3773 {
3774         GtkWidget *label_menuitem;
3775         GtkWidget *menu;
3776         GtkWidget *item;
3777         gint i;
3778
3779         label_menuitem = gtk_item_factory_get_item(summaryview->popupfactory,
3780                                                    "/Color label");
3781         gtk_signal_connect(GTK_OBJECT(label_menuitem), "activate",
3782                            GTK_SIGNAL_FUNC(summary_colorlabel_menu_item_activate_item_cb),
3783                            summaryview);
3784         gtk_widget_show(label_menuitem);
3785
3786         menu = gtk_menu_new();
3787
3788         /* create sub items. for the menu item activation callback we pass the
3789          * index of label_colors[] as data parameter. for the None color we
3790          * pass an invalid (high) value. also we attach a data pointer so we
3791          * can always get back the SummaryView pointer. */
3792
3793         item = gtk_check_menu_item_new_with_label(_("None"));
3794         gtk_menu_append(GTK_MENU(menu), item);
3795         gtk_signal_connect(GTK_OBJECT(item), "activate",
3796                            GTK_SIGNAL_FUNC(summary_colorlabel_menu_item_activate_cb),
3797                            GUINT_TO_POINTER(0));
3798         gtk_object_set_data(GTK_OBJECT(item), "summaryview", summaryview);
3799         gtk_widget_show(item);
3800
3801         item = gtk_menu_item_new();
3802         gtk_menu_append(GTK_MENU(menu), item);
3803         gtk_widget_show(item);
3804
3805         /* create pixmap/label menu items */
3806         for (i = 0; i < N_COLOR_LABELS; i++) {
3807                 item = colorlabel_create_check_color_menu_item(i);
3808                 gtk_menu_append(GTK_MENU(menu), item);
3809                 gtk_signal_connect(GTK_OBJECT(item), "activate",
3810                                    GTK_SIGNAL_FUNC(summary_colorlabel_menu_item_activate_cb),
3811                                    GUINT_TO_POINTER(i + 1));
3812                 gtk_object_set_data(GTK_OBJECT(item), "summaryview",
3813                                     summaryview);
3814                 gtk_widget_show(item);
3815         }
3816
3817         gtk_widget_show(menu);
3818         gtk_menu_item_set_submenu(GTK_MENU_ITEM(label_menuitem), menu);
3819         summaryview->colorlabel_menu = menu;
3820 }
3821
3822 static GtkWidget *summary_ctree_create(SummaryView *summaryview)
3823 {
3824         GtkWidget *ctree;
3825         gint *col_pos = summaryview->col_pos;
3826         SummaryColumnState *col_state;
3827         gchar *titles[N_SUMMARY_COLS];
3828         SummaryColumnType type;
3829         gint pos;
3830
3831         memset(titles, 0, sizeof(titles));
3832
3833         col_state = prefs_summary_column_get_config();
3834         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
3835                 summaryview->col_state[pos] = col_state[pos];
3836                 type = col_state[pos].type;
3837                 col_pos[type] = pos;
3838         }
3839         col_state = summaryview->col_state;
3840
3841         ctree = gtk_sctree_new_with_titles
3842                 (N_SUMMARY_COLS, col_pos[S_COL_SUBJECT], titles);
3843
3844         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_EXTENDED);
3845         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_MARK],
3846                                            GTK_JUSTIFY_CENTER);
3847         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_UNREAD],
3848                                            GTK_JUSTIFY_CENTER);
3849         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_LOCKED],
3850                                            GTK_JUSTIFY_CENTER);
3851         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_MIME],
3852                                            GTK_JUSTIFY_CENTER);
3853         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_SIZE],
3854                                            GTK_JUSTIFY_RIGHT);
3855         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_NUMBER],
3856                                            GTK_JUSTIFY_RIGHT);
3857         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[S_COL_SCORE],
3858                                            GTK_JUSTIFY_RIGHT);
3859         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_MARK],
3860                                    SUMMARY_COL_MARK_WIDTH);
3861         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_UNREAD],
3862                                    SUMMARY_COL_UNREAD_WIDTH);
3863         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_LOCKED],
3864                                    SUMMARY_COL_LOCKED_WIDTH);
3865         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_MIME],
3866                                    SUMMARY_COL_MIME_WIDTH);
3867         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SUBJECT],
3868                                    prefs_common.summary_col_size[S_COL_SUBJECT]);
3869         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_FROM],
3870                                    prefs_common.summary_col_size[S_COL_FROM]);
3871         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_DATE],
3872                                    prefs_common.summary_col_size[S_COL_DATE]);
3873         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SIZE],
3874                                    prefs_common.summary_col_size[S_COL_SIZE]);
3875         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_NUMBER],
3876                                    prefs_common.summary_col_size[S_COL_NUMBER]);
3877         gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[S_COL_SCORE],
3878                                    prefs_common.summary_col_size[S_COL_SCORE]);
3879         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
3880         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
3881                                      GTK_CTREE_EXPANDER_SQUARE);
3882 #if 0
3883         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
3884         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
3885                                      GTK_CTREE_EXPANDER_TRIANGLE);
3886 #endif
3887         gtk_ctree_set_indent(GTK_CTREE(ctree), 16);
3888         gtk_object_set_user_data(GTK_OBJECT(ctree), summaryview);
3889
3890         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
3891                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[pos].button,
3892                                        GTK_CAN_FOCUS);
3893                 gtk_clist_set_column_visibility
3894                         (GTK_CLIST(ctree), pos, col_state[pos].visible);
3895         }
3896
3897         /* connect signal to the buttons for sorting */
3898 #define CLIST_BUTTON_SIGNAL_CONNECT(col, func) \
3899         gtk_signal_connect \
3900                 (GTK_OBJECT(GTK_CLIST(ctree)->column[col_pos[col]].button), \
3901                  "clicked", \
3902                  GTK_SIGNAL_FUNC(func), \
3903                  summaryview)
3904
3905         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_MARK   , summary_mark_clicked);
3906         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_UNREAD , summary_unread_clicked);
3907         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_MIME   , summary_mime_clicked);
3908         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_NUMBER , summary_num_clicked);
3909         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SIZE   , summary_size_clicked);
3910         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_DATE   , summary_date_clicked);
3911         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_FROM   , summary_from_clicked);
3912         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SUBJECT, summary_subject_clicked);
3913         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_SCORE,   summary_score_clicked);
3914         CLIST_BUTTON_SIGNAL_CONNECT(S_COL_LOCKED,  summary_locked_clicked);
3915
3916 #undef CLIST_BUTTON_SIGNAL_CONNECT
3917
3918         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
3919                            GTK_SIGNAL_FUNC(summary_selected), summaryview);
3920         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
3921                            GTK_SIGNAL_FUNC(summary_button_pressed),
3922                            summaryview);
3923         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
3924                            GTK_SIGNAL_FUNC(summary_button_released),
3925                            summaryview);
3926         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
3927                            GTK_SIGNAL_FUNC(summary_key_pressed), summaryview);
3928         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
3929                            GTK_SIGNAL_FUNC(summary_col_resized), summaryview);
3930         gtk_signal_connect(GTK_OBJECT(ctree), "open_row",
3931                            GTK_SIGNAL_FUNC(summary_open_row), summaryview);
3932
3933         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
3934                                  GTK_SIGNAL_FUNC(summary_tree_expanded),
3935                                  summaryview);
3936         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
3937                                  GTK_SIGNAL_FUNC(summary_tree_collapsed),
3938                                  summaryview);
3939
3940         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
3941                            GTK_SIGNAL_FUNC(summary_start_drag),
3942                            summaryview);
3943         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
3944                            GTK_SIGNAL_FUNC(summary_drag_data_get),
3945                            summaryview);
3946
3947         return ctree;
3948 }
3949
3950 void summary_set_column_order(SummaryView *summaryview)
3951 {
3952         GtkWidget *ctree;
3953         GtkWidget *scrolledwin = summaryview->scrolledwin;
3954         GtkWidget *pixmap;
3955         FolderItem *item;
3956
3957         item = summaryview->folder_item;
3958         summary_clear_all(summaryview);
3959         gtk_widget_destroy(summaryview->ctree);
3960
3961         summaryview->ctree = ctree = summary_ctree_create(summaryview);
3962         pixmap = gtk_pixmap_new(clipxpm, clipxpmmask);
3963         gtk_clist_set_column_widget(GTK_CLIST(ctree),
3964                                     summaryview->col_pos[S_COL_MIME], pixmap);
3965         gtk_widget_show(pixmap);
3966         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
3967                                             GTK_CLIST(ctree)->hadjustment);
3968         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
3969                                             GTK_CLIST(ctree)->vadjustment);
3970         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
3971         gtk_widget_show(ctree);
3972
3973         summary_show(summaryview, item, FALSE);
3974 }
3975
3976
3977 /* callback functions */
3978
3979 static void summary_toggle_pressed(GtkWidget *eventbox, GdkEventButton *event,
3980                                    SummaryView *summaryview)
3981 {
3982         if (!event)
3983                 return;
3984
3985         if (!summaryview->msg_is_toggled_on && summaryview->selected)
3986                 summary_display_msg(summaryview, summaryview->selected, FALSE);
3987         else
3988                 summary_toggle_view(summaryview);
3989 }
3990
3991 static void summary_button_pressed(GtkWidget *ctree, GdkEventButton *event,
3992                                    SummaryView *summaryview)
3993 {
3994         if (!event) return;
3995
3996         if (event->button == 3) {
3997                 /* right clicked */
3998                 gtk_menu_popup(GTK_MENU(summaryview->popupmenu), NULL, NULL,
3999                                NULL, NULL, event->button, event->time);
4000         } else if (event->button == 2) {
4001                 summaryview->display_msg = TRUE;
4002         } else if (event->button == 1) {
4003                 if (!prefs_common.emulate_emacs &&
4004                     summaryview->msg_is_toggled_on)
4005                         summaryview->display_msg = TRUE;
4006         }
4007 }
4008
4009 static void summary_button_released(GtkWidget *ctree, GdkEventButton *event,
4010                                     SummaryView *summaryview)
4011 {
4012 }
4013
4014 void summary_pass_key_press_event(SummaryView *summaryview, GdkEventKey *event)
4015 {
4016         summary_key_pressed(summaryview->ctree, event, summaryview);
4017 }
4018
4019 #define BREAK_ON_MODIFIER_KEY() \
4020         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
4021
4022 #define RETURN_IF_LOCKED() \
4023         if (summaryview->mainwin->lock_count) return
4024
4025 #define KEY_PRESS_EVENT_STOP() \
4026         if (gtk_signal_n_emissions_by_name \
4027                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
4028                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
4029                                              "key_press_event"); \
4030         }
4031
4032 static void summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
4033                                 SummaryView *summaryview)
4034 {
4035         GtkCTree *ctree = GTK_CTREE(widget);
4036         GtkCTreeNode *node;
4037         FolderItem *to_folder;
4038
4039         if (summary_is_locked(summaryview)) return;
4040         if (!event) return;
4041
4042         switch (event->keyval) {
4043         case GDK_g:             /* Go */
4044         case GDK_G:
4045                 RETURN_IF_LOCKED();
4046                 BREAK_ON_MODIFIER_KEY();
4047                 KEY_PRESS_EVENT_STOP();
4048                 to_folder = foldersel_folder_sel(NULL, NULL);
4049                 if (to_folder) {
4050                         debug_print(_("Go to %s\n"), to_folder->path);
4051                         folderview_select(summaryview->folderview, to_folder);
4052                 }
4053                 return;
4054         case GDK_w:             /* Write new message */
4055                 BREAK_ON_MODIFIER_KEY();
4056                 if (summaryview->folder_item) {
4057                         PrefsAccount *ac;
4058                         ac = summaryview->folder_item->folder->account;
4059                         if (ac && ac->protocol == A_NNTP)
4060                                 compose_new_with_recipient
4061                                         (ac, summaryview->folder_item->path);
4062                         else
4063                                 compose_new_with_folderitem(ac, summaryview->folder_item);
4064                 } else
4065                         compose_new(NULL);
4066                 return;
4067         case GDK_D:             /* Empty trash */
4068                 RETURN_IF_LOCKED();
4069                 BREAK_ON_MODIFIER_KEY();
4070                 KEY_PRESS_EVENT_STOP();
4071                 main_window_empty_trash(summaryview->mainwin, TRUE);
4072                 return;
4073         case GDK_Q:             /* Quit */
4074                 RETURN_IF_LOCKED();
4075                 BREAK_ON_MODIFIER_KEY();
4076
4077                 if (prefs_common.confirm_on_exit) {
4078                         if (alertpanel(_("Exit"), _("Exit this program?"),
4079                                        _("OK"), _("Cancel"), NULL)
4080                                        == G_ALERTDEFAULT) {
4081                                 manage_window_focus_in
4082                                         (summaryview->mainwin->window,
4083                                          NULL, NULL);
4084                                 app_will_exit(NULL, summaryview->mainwin);
4085                         }
4086                 }
4087                 return;
4088         case GDK_Left:          /* Move focus */
4089         case GDK_Escape:
4090                 gtk_widget_grab_focus(summaryview->folderview->ctree);
4091                 return;
4092         default:
4093                 break;
4094         }
4095
4096         if (!summaryview->selected) {
4097                 node = gtk_ctree_node_nth(ctree, 0);
4098                 if (node)
4099                         gtk_ctree_select(ctree, node);
4100                 else
4101                         return;
4102         }
4103
4104         switch (event->keyval) {
4105         case GDK_space:         /* Page down or go to the next */
4106                 if (summaryview->displayed != summaryview->selected) {
4107                         summary_display_msg(summaryview,
4108                                             summaryview->selected, FALSE);
4109                         break;
4110                 }
4111                 if (!textview_scroll_page(summaryview->messageview->textview,
4112                                           FALSE))
4113                         summary_select_next_unread(summaryview);
4114                 break;
4115         case GDK_n:             /* Next */
4116         case GDK_N:
4117                 BREAK_ON_MODIFIER_KEY();
4118                 summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
4119                 break;
4120         case GDK_BackSpace:     /* Page up */
4121                 textview_scroll_page(summaryview->messageview->textview, TRUE);
4122                 break;
4123         case GDK_p:             /* Prev */
4124         case GDK_P:
4125                 BREAK_ON_MODIFIER_KEY();
4126                 summary_step(summaryview, GTK_SCROLL_STEP_BACKWARD);
4127                 break;
4128         case GDK_v:             /* Toggle summary mode / message mode */
4129         case GDK_V:
4130                 BREAK_ON_MODIFIER_KEY();
4131
4132                 if (!summaryview->msg_is_toggled_on && summaryview->selected)
4133                         summary_display_msg(summaryview,
4134                                             summaryview->selected, FALSE);
4135                 else
4136                         summary_toggle_view(summaryview);
4137                 break;
4138         case GDK_Return:        /* Scroll up/down one line */
4139                 if (summaryview->displayed != summaryview->selected) {
4140                         summary_display_msg(summaryview,
4141                                             summaryview->selected, FALSE);
4142                         break;
4143                 }
4144                 textview_scroll_one_line(summaryview->messageview->textview,
4145                                          (event->state & GDK_MOD1_MASK) != 0);
4146                 break;
4147         case GDK_asterisk:      /* Mark */
4148                 summary_mark(summaryview);
4149                 break;
4150         case GDK_exclam:        /* Mark as unread */
4151                 summary_mark_as_unread(summaryview);
4152                 break;
4153         case GDK_d:             /* Delete */
4154         case GDK_Delete:
4155                 RETURN_IF_LOCKED();
4156                 BREAK_ON_MODIFIER_KEY();
4157                 summary_delete(summaryview);
4158                 break;
4159         case GDK_u:             /* Unmark */
4160         case GDK_U:
4161                 BREAK_ON_MODIFIER_KEY();
4162                 summary_unmark(summaryview);
4163                 break;
4164         case GDK_o:             /* Move */
4165                 RETURN_IF_LOCKED();
4166                 BREAK_ON_MODIFIER_KEY();
4167                 summary_move_to(summaryview);
4168                 break;
4169         case GDK_O:             /* Copy */
4170                 RETURN_IF_LOCKED();
4171                 BREAK_ON_MODIFIER_KEY();
4172                 summary_copy_to(summaryview);
4173                 break;
4174         case GDK_x:             /* Execute */
4175         case GDK_X:
4176                 RETURN_IF_LOCKED();
4177                 BREAK_ON_MODIFIER_KEY();
4178                 KEY_PRESS_EVENT_STOP();
4179                 summary_execute(summaryview);
4180                 break;
4181         case GDK_a:             /* Reply to the message */
4182                 BREAK_ON_MODIFIER_KEY();
4183                 summary_reply_cb(summaryview,
4184                                  COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE, NULL);
4185                 break;
4186         case GDK_A:             /* Reply to the message with quotation */
4187                 BREAK_ON_MODIFIER_KEY();
4188                 summary_reply_cb(summaryview,
4189                                  COMPOSE_REPLY_TO_ALL_WITH_QUOTE, NULL);
4190                 break;
4191         case GDK_f:             /* Forward the message */
4192                 BREAK_ON_MODIFIER_KEY();
4193                 summary_reply_cb(summaryview, COMPOSE_FORWARD, NULL);
4194                 break;
4195         case GDK_F:
4196                 BREAK_ON_MODIFIER_KEY();
4197                 summary_reply_cb(summaryview, COMPOSE_FORWARD_AS_ATTACH, NULL);
4198                 break;
4199         case GDK_y:             /* Save the message */
4200                 BREAK_ON_MODIFIER_KEY();
4201                 summary_save_as(summaryview);
4202                 break;
4203         default:
4204                 break;
4205         }
4206 }
4207
4208 #undef BREAK_ON_MODIFIER_KEY
4209 #undef RETURN_IF_LOCKED
4210 #undef KEY_PRESS_EVENT_STOP
4211
4212 static void summary_open_row(GtkSCTree *sctree, SummaryView *summaryview)
4213 {
4214         if (summaryview->folder_item->stype == F_OUTBOX ||
4215             summaryview->folder_item->stype == F_DRAFT  ||
4216             summaryview->folder_item->stype == F_QUEUE)
4217                 summary_reedit(summaryview);
4218         else
4219                 summary_open_msg(summaryview);
4220
4221         summaryview->display_msg = FALSE;
4222 }
4223
4224 static void summary_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
4225                                   SummaryView *summaryview)
4226 {
4227         summary_set_row_marks(summaryview, node);
4228 }
4229
4230 static void summary_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
4231                                    SummaryView *summaryview)
4232 {
4233         summary_set_row_marks(summaryview, node);
4234 }
4235
4236 static void summary_selected(GtkCTree *ctree, GtkCTreeNode *row,
4237                              gint column, SummaryView *summaryview)
4238 {
4239         MsgInfo *msginfo;
4240
4241         summary_status_show(summaryview);
4242         summary_set_menu_sensitive(summaryview);
4243
4244         if (GTK_CLIST(ctree)->selection &&
4245              GTK_CLIST(ctree)->selection->next) {
4246                 summaryview->display_msg = FALSE;
4247                 return;
4248         }
4249
4250         summaryview->selected = row;
4251
4252         msginfo = gtk_ctree_node_get_row_data(ctree, row);
4253
4254         switch (column < 0 ? column : summaryview->col_state[column].type) {
4255         case S_COL_MARK:
4256                 if (MSG_IS_MARKED(msginfo->flags)) {
4257                         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_MARKED);
4258                         CHANGE_FLAGS(msginfo);
4259                         summary_set_row_marks(summaryview, row);
4260                 } else
4261                         summary_mark_row(summaryview, row);
4262                 break;
4263         case S_COL_UNREAD:
4264                 if (MSG_IS_UNREAD(msginfo->flags)) {
4265                         summary_mark_row_as_read(summaryview, row);
4266                         summary_status_show(summaryview);
4267                 } else if (!MSG_IS_REPLIED(msginfo->flags) &&
4268                          !MSG_IS_FORWARDED(msginfo->flags)) {
4269                         summary_mark_row_as_unread(summaryview, row);
4270                         summary_status_show(summaryview);
4271                 }
4272                 break;
4273         case S_COL_LOCKED:
4274                 if (MSG_IS_LOCKED(msginfo->flags)) {
4275                         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_LOCKED);
4276                         CHANGE_FLAGS(msginfo);
4277                         summary_set_row_marks(summaryview, row);
4278                 }
4279                 else
4280                         summary_lock_row(summaryview, row);
4281                 break;
4282         default:
4283                 break;
4284         }
4285
4286         if (summaryview->display_msg)
4287                 summary_display_msg(summaryview, row, FALSE);
4288
4289         summaryview->display_msg = FALSE;
4290 }
4291
4292 static void summary_col_resized(GtkCList *clist, gint column, gint width,
4293                                 SummaryView *summaryview)
4294 {
4295         SummaryColumnType type = summaryview->col_state[column].type;
4296
4297         prefs_common.summary_col_size[type] = width;
4298 }
4299
4300 static void summary_reply_cb(SummaryView *summaryview, guint action,
4301                              GtkWidget *widget)
4302 {
4303         MsgInfo *msginfo;
4304         GList  *sel = GTK_CLIST(summaryview->ctree)->selection;
4305
4306         msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
4307                                               summaryview->selected);
4308         if (!msginfo) return;
4309
4310         switch ((ComposeMode)action) {
4311         case COMPOSE_REPLY:
4312                 compose_reply(msginfo, prefs_common.reply_with_quote,
4313                               FALSE, FALSE);
4314                 break;
4315         case COMPOSE_REPLY_WITH_QUOTE:
4316                 compose_reply(msginfo, TRUE, FALSE, FALSE);
4317                 break;
4318         case COMPOSE_REPLY_WITHOUT_QUOTE:
4319                 compose_reply(msginfo, FALSE, FALSE, FALSE);
4320                 break;
4321         case COMPOSE_REPLY_TO_SENDER:
4322                 compose_reply(msginfo, prefs_common.reply_with_quote,
4323                               FALSE, TRUE);
4324                 break;
4325         case COMPOSE_FOLLOWUP_AND_REPLY_TO:
4326                 compose_followup_and_reply_to(msginfo,
4327                                               prefs_common.reply_with_quote,
4328                                               FALSE, TRUE);
4329                 break;
4330         case COMPOSE_REPLY_TO_SENDER_WITH_QUOTE:
4331                 compose_reply(msginfo, TRUE, FALSE, TRUE);
4332                 break;
4333         case COMPOSE_REPLY_TO_SENDER_WITHOUT_QUOTE:
4334                 compose_reply(msginfo, FALSE, FALSE, TRUE);
4335                 break;
4336         case COMPOSE_REPLY_TO_ALL:
4337                 compose_reply(msginfo, prefs_common.reply_with_quote,
4338                               TRUE, TRUE);
4339                 break;
4340         case COMPOSE_REPLY_TO_ALL_WITH_QUOTE:
4341                 compose_reply(msginfo, TRUE, TRUE, FALSE);
4342                 break;
4343         case COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE:
4344                 compose_reply(msginfo, FALSE, TRUE, FALSE);
4345                 break;
4346         case COMPOSE_FORWARD:
4347                 if (!sel->next) {
4348                         compose_forward(NULL, msginfo, FALSE);
4349                         break;
4350                 }
4351                 /* if (sel->next) FALL THROUGH */
4352         case COMPOSE_FORWARD_AS_ATTACH:
4353                 {
4354                         GSList *msginfo_list = NULL;
4355                         for ( ; sel != NULL; sel = sel->next)
4356                                 msginfo_list = g_slist_append(msginfo_list,
4357                                         gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
4358                                                 GTK_CTREE_NODE(sel->data)));
4359                         compose_forward_multiple(NULL, msginfo_list);
4360                         g_slist_free(msginfo_list);
4361                 }
4362                 break;
4363         case COMPOSE_BOUNCE:
4364                 compose_bounce(NULL, msginfo);
4365                 break;
4366         default:
4367                 g_warning("summary_reply_cb(): invalid action: %d\n", action);
4368         }
4369
4370         summary_set_marks_selected(summaryview);
4371 }
4372
4373 static void summary_execute_cb(SummaryView *summaryview, guint action,
4374                                GtkWidget *widget)
4375 {
4376         summary_execute(summaryview);
4377 }
4378
4379 static void summary_show_all_header_cb(SummaryView *summaryview,
4380                                        guint action, GtkWidget *widget)
4381 {
4382         header_window_show_cb(summaryview->mainwin, action, widget);
4383 }
4384
4385 static void summary_add_address_cb(SummaryView *summaryview,
4386                                    guint action, GtkWidget *widget)
4387 {
4388         summary_add_address(summaryview);
4389 }
4390
4391 static void summary_mark_clicked(GtkWidget *button, SummaryView *summaryview)
4392 {
4393         summary_sort(summaryview, SORT_BY_MARK);
4394 }
4395
4396 static void summary_unread_clicked(GtkWidget *button, SummaryView *summaryview)
4397 {
4398         summary_sort(summaryview, SORT_BY_UNREAD);
4399 }
4400
4401 static void summary_mime_clicked(GtkWidget *button, SummaryView *summaryview)
4402 {
4403         summary_sort(summaryview, SORT_BY_MIME);
4404 }
4405
4406 static void summary_num_clicked(GtkWidget *button, SummaryView *summaryview)
4407 {
4408         summary_sort(summaryview, SORT_BY_NUMBER);
4409 }
4410
4411 static void summary_score_clicked(GtkWidget *button,
4412                                   SummaryView *summaryview)
4413 {
4414         summary_sort(summaryview, SORT_BY_SCORE);
4415 }
4416
4417 static void summary_locked_clicked(GtkWidget *button,
4418                                   SummaryView *summaryview)
4419 {
4420         summary_sort(summaryview, SORT_BY_LOCKED);
4421 }
4422
4423 static void summary_size_clicked(GtkWidget *button, SummaryView *summaryview)
4424 {
4425         summary_sort(summaryview, SORT_BY_SIZE);
4426 }
4427
4428 static void summary_date_clicked(GtkWidget *button, SummaryView *summaryview)
4429 {
4430         summary_sort(summaryview, SORT_BY_DATE);
4431 }
4432
4433 static void summary_from_clicked(GtkWidget *button, SummaryView *summaryview)
4434 {
4435         summary_sort(summaryview, SORT_BY_FROM);
4436 }
4437
4438 static void summary_subject_clicked(GtkWidget *button,
4439                                     SummaryView *summaryview)
4440 {
4441         summary_sort(summaryview, SORT_BY_SUBJECT);
4442 }
4443
4444 static void summary_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
4445                                SummaryView *summaryview)
4446 {
4447         GtkTargetList *list;
4448         GdkDragContext *context;
4449
4450         g_return_if_fail(summaryview != NULL);
4451         g_return_if_fail(summaryview->folder_item != NULL);
4452         g_return_if_fail(summaryview->folder_item->folder != NULL);
4453         if (summaryview->folder_item->folder->type == F_NEWS ||
4454             summaryview->selected == NULL)
4455                 return;
4456
4457         list = gtk_target_list_new(summary_drag_types, 1);
4458
4459         context = gtk_drag_begin(widget, list,
4460                                  GDK_ACTION_MOVE, button, event);
4461         gtk_drag_set_icon_default(context);
4462 }
4463
4464 static void summary_drag_data_get(GtkWidget        *widget,
4465                                   GdkDragContext   *drag_context,
4466                                   GtkSelectionData *selection_data,
4467                                   guint             info,
4468                                   guint             time,
4469                                   SummaryView      *summaryview)
4470 {
4471         if (info == TARGET_MAIL_URI_LIST) {
4472                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4473                 GList *cur;
4474                 MsgInfo *msginfo;
4475                 gchar *mail_list = NULL, *tmp1, *tmp2;
4476
4477                 for (cur = GTK_CLIST(ctree)->selection;
4478                      cur != NULL; cur = cur->next) {
4479                         msginfo = gtk_ctree_node_get_row_data
4480                                 (ctree, GTK_CTREE_NODE(cur->data));
4481                         tmp2 = procmsg_get_message_file_path(msginfo);
4482                         if (!tmp2) continue;
4483                         tmp1 = g_strconcat("file:/", tmp2, NULL);
4484                         g_free(tmp2);
4485
4486                         if (!mail_list) {
4487                                 mail_list = tmp1;
4488                         } else {
4489                                 tmp2 = g_strconcat(mail_list, tmp1, NULL);
4490                                 g_free(mail_list);
4491                                 g_free(tmp1);
4492                                 mail_list = tmp2;
4493                         }
4494                 }
4495
4496                 if (mail_list != NULL) {
4497                         gtk_selection_data_set(selection_data,
4498                                                selection_data->target, 8,
4499                                                mail_list, strlen(mail_list));
4500                         g_free(mail_list);
4501                 }
4502         } else if (info == TARGET_DUMMY) {
4503                 if (GTK_CLIST(summaryview->ctree)->selection)
4504                         gtk_selection_data_set(selection_data,
4505                                                selection_data->target, 8,
4506                                                "Dummy", 6);
4507         }
4508 }
4509
4510
4511 /* custom compare functions for sorting */
4512
4513 static gint summary_cmp_by_mark(GtkCList *clist,
4514                                 gconstpointer ptr1, gconstpointer ptr2)
4515 {
4516         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4517         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4518
4519         return MSG_IS_MARKED(msginfo1->flags) - MSG_IS_MARKED(msginfo2->flags);
4520 }
4521
4522 static gint summary_cmp_by_unread(GtkCList *clist,
4523                                   gconstpointer ptr1, gconstpointer ptr2)
4524 {
4525         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4526         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4527
4528         return MSG_IS_UNREAD(msginfo1->flags) - MSG_IS_UNREAD(msginfo2->flags);
4529 }
4530
4531 static gint summary_cmp_by_mime(GtkCList *clist,
4532                                 gconstpointer ptr1, gconstpointer ptr2)
4533 {
4534         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4535         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4536
4537         return MSG_IS_MIME(msginfo1->flags) - MSG_IS_MIME(msginfo2->flags);
4538 }
4539
4540 static gint summary_cmp_by_num(GtkCList *clist,
4541                                gconstpointer ptr1, gconstpointer ptr2)
4542 {
4543         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4544         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4545
4546         return msginfo1->msgnum - msginfo2->msgnum;
4547 }
4548
4549 static gint summary_cmp_by_size(GtkCList *clist,
4550                                 gconstpointer ptr1, gconstpointer ptr2)
4551 {
4552         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4553         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4554
4555         return msginfo1->size - msginfo2->size;
4556 }
4557
4558 static gint summary_cmp_by_date(GtkCList *clist,
4559                                gconstpointer ptr1, gconstpointer ptr2)
4560 {
4561         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4562         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4563
4564         return msginfo1->date_t - msginfo2->date_t;
4565 }
4566
4567 static gint summary_cmp_by_from(GtkCList *clist,
4568                                gconstpointer ptr1, gconstpointer ptr2)
4569 {
4570         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4571         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4572
4573         if (!msginfo1->fromname)
4574                 return (msginfo2->fromname != NULL);
4575         if (!msginfo2->fromname)
4576                 return -1;
4577
4578         return strcasecmp(msginfo1->fromname, msginfo2->fromname);
4579 }
4580
4581 static gint summary_cmp_by_subject(GtkCList *clist,
4582                                gconstpointer ptr1, gconstpointer ptr2)
4583 {
4584         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4585         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4586
4587         if (!msginfo1->subject)
4588                 return (msginfo2->subject != NULL);
4589         if (!msginfo2->subject)
4590                 return -1;
4591
4592         return strcasecmp(msginfo1->subject, msginfo2->subject);
4593 }
4594
4595 static gint summary_cmp_by_label(GtkCList *clist,
4596                                  gconstpointer ptr1, gconstpointer ptr2)
4597 {
4598         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4599         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4600
4601         return MSG_GET_COLORLABEL(msginfo1->flags) -
4602                 MSG_GET_COLORLABEL(msginfo2->flags);
4603 }
4604 static gint summary_cmp_by_score(GtkCList *clist,
4605                                  gconstpointer ptr1, gconstpointer ptr2)
4606 {
4607         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4608         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4609         int diff;
4610
4611         /* if score are equal, sort by date */
4612
4613         diff = msginfo1->threadscore - msginfo2->threadscore;
4614         if (diff != 0)
4615                 return diff;
4616         else
4617                 return summary_cmp_by_date(clist, ptr1, ptr2);
4618 }
4619
4620 static gint summary_cmp_by_locked(GtkCList *clist,
4621                                   gconstpointer ptr1, gconstpointer ptr2)
4622 {
4623         MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
4624         MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
4625
4626         return MSG_IS_LOCKED(msginfo1->flags) - MSG_IS_LOCKED(msginfo2->flags);
4627 }
4628
4629 static void summary_ignore_thread_func(GtkCTree *ctree, GtkCTreeNode *row, gpointer data)
4630 {
4631         SummaryView *summaryview = (SummaryView *) data;
4632         MsgInfo *msginfo;
4633
4634         msginfo = gtk_ctree_node_get_row_data(ctree, row);
4635         if (MSG_IS_NEW(msginfo->flags))
4636                 summaryview->newmsgs--;
4637         if (MSG_IS_UNREAD(msginfo->flags))
4638                 summaryview->unread--;
4639         MSG_SET_PERM_FLAGS(msginfo->flags, MSG_IGNORE_THREAD);
4640
4641         CHANGE_FLAGS(msginfo);
4642
4643         summary_set_row_marks(summaryview, row);
4644         debug_print(_("Message %d is marked as ignore thread\n"),
4645             msginfo->msgnum);
4646 }
4647
4648 static void summary_ignore_thread(SummaryView *summaryview)
4649 {
4650         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4651         GList *cur;
4652
4653         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
4654                 gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), GTK_CTREE_FUNC(summary_ignore_thread_func), summaryview);
4655         }
4656
4657         summary_status_show(summaryview);
4658 }
4659
4660 static void summary_unignore_thread_func(GtkCTree *ctree, GtkCTreeNode *row, gpointer data)
4661 {
4662         SummaryView *summaryview = (SummaryView *) data;
4663         MsgInfo *msginfo;
4664
4665         msginfo = gtk_ctree_node_get_row_data(ctree, row);
4666         if (MSG_IS_NEW(msginfo->flags))
4667                 summaryview->newmsgs++;
4668         if (MSG_IS_UNREAD(msginfo->flags))
4669                 summaryview->unread++;
4670         MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_IGNORE_THREAD);
4671
4672         CHANGE_FLAGS(msginfo);
4673
4674         summary_set_row_marks(summaryview, row);
4675         debug_print(_("Message %d is marked as unignore thread\n"),
4676             msginfo->msgnum);
4677 }
4678
4679 static void summary_unignore_thread(SummaryView *summaryview)
4680 {
4681         GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
4682         GList *cur;
4683
4684         for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
4685                 gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), GTK_CTREE_FUNC(summary_unignore_thread_func), summaryview);
4686         }
4687
4688         summary_status_show(summaryview);
4689 }
4690 /*
4691  * End of Source.
4692  */
4693