src/folderview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2018 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "defs.h"
  20
  21 #include <glib.h>
  22 #include <glib/gi18n.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtk.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28
  29 #include "main.h"
  30 #include "mainwindow.h"
  31 #include "folderview.h"
  32 #include "summaryview.h"
  33 #include "summary_search.h"
  34 #include "inputdialog.h"
  35 #include "manage_window.h"
  36 #include "alertpanel.h"
  37 #include "menu.h"
  38 #include "stock_pixmap.h"
  39 #include "procmsg.h"
  40 #include "utils.h"
  41 #include "gtkutils.h"
  42 #include "prefs_common.h"
  43 #include "prefs_account.h"
  44 #include "prefs_filtering.h"
  45 #include "prefs_folder_item.h"
  46 #include "account.h"
  47 #include "folder.h"
  48 #include "foldersel.h"
  49 #include "inc.h"
  50 #include "statusbar.h"
  51 #include "hooks.h"
  52 #include "folderutils.h"
  53 #include "partial_download.h"
  54 #include "prefs_folder_column.h"
  55 #include "filtering.h"
  56 #include "quicksearch.h"
  57 #include "manual.h"
  58 #include "timing.h"
  59 #include "log.h"
  60 #include "gtkcmctree.h"
  61
  62 #define COL_FOLDER_WIDTH        150
  63 #define COL_NUM_WIDTH           32
  64
  65 static GList *folderview_list = NULL;
  66
  67 static GtkStyle *normal_style;
  68 static GtkStyle *normal_color_style;
  69 static GtkStyle *bold_style;
  70 static GtkStyle *bold_color_style;
  71 static GtkStyle *bold_tgtfold_style;
  72
  73 static GdkPixbuf *inboxxpm;
  74 static GdkPixbuf *inboxhrmxpm;
  75 static GdkPixbuf *inboxopenxpm;
  76 static GdkPixbuf *inboxopenhrmxpm;
  77 static GdkPixbuf *outboxxpm;
  78 static GdkPixbuf *outboxhrmxpm;
  79 static GdkPixbuf *outboxopenxpm;
  80 static GdkPixbuf *outboxopenhrmxpm;
  81 static GdkPixbuf *folderxpm;
  82 static GdkPixbuf *folderhrmxpm;
  83 static GdkPixbuf *folderopenxpm;
  84 static GdkPixbuf *folderopenhrmxpm;
  85 static GdkPixbuf *trashopenxpm;
  86 static GdkPixbuf *trashopenhrmxpm;
  87 static GdkPixbuf *trashxpm;
  88 static GdkPixbuf *trashhrmxpm;
  89 static GdkPixbuf *queuexpm;
  90 static GdkPixbuf *queuehrmxpm;
  91 static GdkPixbuf *queueopenxpm;
  92 static GdkPixbuf *queueopenhrmxpm;
  93 static GdkPixbuf *draftsxpm;
  94 static GdkPixbuf *draftsopenxpm;
  95 static GdkPixbuf *foldersubsxpm;
  96 static GdkPixbuf *foldersubsopenxpm;
  97 static GdkPixbuf *foldernoselectxpm;
  98 static GdkPixbuf *foldernoselectopenxpm;
  99
 100 static GdkPixbuf *m_inboxxpm;
 101 static GdkPixbuf *m_inboxhrmxpm;
 102 static GdkPixbuf *m_inboxopenxpm;
 103 static GdkPixbuf *m_inboxopenhrmxpm;
 104 static GdkPixbuf *m_outboxxpm;
 105 static GdkPixbuf *m_outboxhrmxpm;
 106 static GdkPixbuf *m_outboxopenxpm;
 107 static GdkPixbuf *m_outboxopenhrmxpm;
 108 static GdkPixbuf *m_folderxpm;
 109 static GdkPixbuf *m_folderhrmxpm;
 110 static GdkPixbuf *m_folderopenxpm;
 111 static GdkPixbuf *m_folderopenhrmxpm;
 112 static GdkPixbuf *m_trashopenxpm;
 113 static GdkPixbuf *m_trashopenhrmxpm;
 114 static GdkPixbuf *m_trashxpm;
 115 static GdkPixbuf *m_trashhrmxpm;
 116 static GdkPixbuf *m_queuexpm;
 117 static GdkPixbuf *m_queuehrmxpm;
 118 static GdkPixbuf *m_queueopenxpm;
 119 static GdkPixbuf *m_queueopenhrmxpm;
 120 static GdkPixbuf *m_draftsxpm;
 121 static GdkPixbuf *m_draftsopenxpm;
 122 static GdkPixbuf *m_foldersubsxpm;
 123 static GdkPixbuf *m_foldernoselectxpm;
 124
 125 static GdkPixbuf *newxpm;
 126 static GdkPixbuf *unreadxpm;
 127 static GdkPixbuf *readxpm;
 128
 129 static void folderview_select_node       (FolderView    *folderview,
 130                                           GtkCMCTreeNode        *node);
 131 static void folderview_set_folders       (FolderView    *folderview);
 132 static void folderview_sort_folders      (FolderView    *folderview,
 133                                           GtkCMCTreeNode        *root,
 134                                           Folder        *folder);
 135 static void folderview_append_folder     (FolderView    *folderview,
 136                                           Folder        *folder);
 137 static void folderview_update_node       (FolderView    *folderview,
 138                                           GtkCMCTreeNode        *node);
 139
 140 static gint folderview_clist_compare    (GtkCMCList     *clist,
 141                                          gconstpointer   ptr1,
 142                                          gconstpointer   ptr2);
 143
 144 /* callback functions */
 145 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 146                                                  GdkEventButton *event,
 147                                                  FolderView     *folderview);
 148 static gboolean folderview_button_released      (GtkWidget      *ctree,
 149                                                  GdkEventButton *event,
 150                                                  FolderView     *folderview);
 151 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 152                                          GdkEventKey    *event,
 153                                          FolderView     *folderview);
 154 static void folderview_selected         (GtkCMCTree     *ctree,
 155                                          GtkCMCTreeNode *row,
 156                                          gint            column,
 157                                          FolderView     *folderview);
 158 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 159                                          GtkCMCTreeNode *node,
 160                                          FolderView     *folderview);
 161 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 162                                          GtkCMCTreeNode *node,
 163                                          FolderView     *folderview);
 164 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 165                                          FolderView     *folderview);
 166 static void folderview_col_resized      (GtkCMCList     *clist,
 167                                          gint            column,
 168                                          gint            width,
 169                                          FolderView     *folderview);
 170
 171 static void mark_all_read_unread_handler        (GtkAction      *action,
 172                                          gpointer        data,
 173                                          gboolean        recursive,
 174                                          gboolean        read);
 175
 176 static void mark_all_read_cb            (GtkAction      *action,
 177                                          gpointer        data);
 178 static void mark_all_unread_cb            (GtkAction    *action,
 179                                          gpointer        data);
 180 static void mark_all_read_recursive_cb  (GtkAction      *action,
 181                                          gpointer        data);
 182 static void mark_all_unread_recursive_cb  (GtkAction    *action,
 183                                          gpointer        data);
 184
 185 static void folderview_empty_trash_cb   (GtkAction      *action,
 186                                          gpointer        data);
 187
 188 static void folderview_send_queue_cb    (GtkAction      *action,
 189                                          gpointer        data);
 190
 191 static void folderview_search_cb        (GtkAction      *action,
 192                                          gpointer        data);
 193 static void folderview_run_processing_cb(GtkAction      *action,
 194                                          gpointer        data);
 195
 196 static void folderview_property_cb      (GtkAction      *action,
 197                                          gpointer        data);
 198
 199 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 200                                           GdkDragContext *context,
 201                                           gint            x,
 202                                           gint            y,
 203                                           guint           time,
 204                                           FolderView     *folderview);
 205 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 206                                           GdkDragContext   *context,
 207                                           guint             time,
 208                                           FolderView       *folderview);
 209 static void folderview_drag_received_cb  (GtkWidget        *widget,
 210                                           GdkDragContext   *drag_context,
 211                                           gint              x,
 212                                           gint              y,
 213                                           GtkSelectionData *data,
 214                                           guint             info,
 215                                           guint             time,
 216                                           FolderView       *folderview);
 217 #ifndef GENERIC_UMPC
 218 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 219                                           FolderView       *folderview);
 220 #endif
 221 static void folderview_drag_data_get     (GtkWidget        *widget,
 222                                           GdkDragContext   *drag_context,
 223                                           GtkSelectionData *selection_data,
 224                                           guint             info,
 225                                           guint             time,
 226                                           FolderView       *folderview);
 227 static void folderview_drag_end_cb       (GtkWidget        *widget,
 228                                           GdkDragContext   *drag_context,
 229                                           FolderView       *folderview);
 230
 231 static void folderview_create_folder_node       (FolderView       *folderview,
 232                                           FolderItem       *item);
 233 static gboolean folderview_update_folder         (gpointer          source,
 234                                           gpointer          userdata);
 235 static gboolean folderview_update_item_claws     (gpointer          source,
 236                                           gpointer          data);
 237 static void folderview_processing_cb(GtkAction *action, gpointer data);
 238 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 239                                 GdkEventButton *event);
 240 static void folderview_header_set_displayed_columns_cb(GtkAction *gaction,
 241                 gpointer data);
 242 static gboolean folderview_header_button_pressed(GtkWidget *widget,
 243                 GdkEvent *_event,
 244                 gpointer user_data);
 245
 246 GHashTable *folderview_popups;
 247
 248 static GtkActionEntry folderview_common_popup_entries[] =
 249 {
 250         {"FolderViewPopup",                  NULL, "FolderViewPopup", NULL, NULL , NULL},
 251         {"FolderViewPopup/MarkAllRead",      NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 252         {"FolderViewPopup/MarkAllUnread",    NULL, N_("Mark all u_nread"), NULL, NULL, G_CALLBACK(mark_all_unread_cb) },
 253         {"FolderViewPopup/MarkAllReadRec",   NULL, N_("Mark all read recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_read_recursive_cb) },
 254         {"FolderViewPopup/MarkAllUnreadRec", NULL, N_("Mark all unread recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_unread_recursive_cb) },
 255         {"FolderViewPopup/---",              NULL, "---", NULL, NULL , NULL},
 256         {"FolderViewPopup/RunProcessing",    NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 257         {"FolderViewPopup/SearchFolder",     NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 258         {"FolderViewPopup/Properties",       NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 259         {"FolderViewPopup/Processing",       NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 260         {"FolderViewPopup/EmptyTrash",       NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 261         {"FolderViewPopup/SendQueue",        NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 262
 263 };
 264
 265 static GtkActionEntry folderview_header_popup_entries[] =
 266 {
 267         {"FolderViewHeaderPopup",                     NULL, "FolderViewHeaderPopup", NULL, NULL, NULL },
 268         {"FolderViewHeaderPopup/SetDisplayedColumns", NULL, N_("Set Displayed columns"), NULL, NULL, G_CALLBACK(folderview_header_set_displayed_columns_cb) }
 269 };
 270
 271 GtkTargetEntry folderview_drag_types[] =
 272 {
 273         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 274         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 275 };
 276
 277 void folderview_initialize(void)
 278 {
 279         FolderViewPopup *fpopup;
 280
 281         fpopup = g_new0(FolderViewPopup, 1);
 282
 283         fpopup->klass = "common";
 284         fpopup->path = "<CommonFolder>";
 285         fpopup->entries = folderview_common_popup_entries;
 286         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 287         fpopup->set_sensitivity = NULL;
 288
 289         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 290         g_hash_table_insert(folderview_popups, "common", fpopup);
 291 }
 292
 293 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 294 {
 295         FolderViewPopup *fpopup_common;
 296         GtkActionGroup *action_group;
 297
 298         action_group = cm_menu_create_action_group(
 299                                 fpopup->path,
 300                                 fpopup->entries, fpopup->n_entries,
 301                                 (gpointer)folderview);
 302
 303         if (fpopup->toggle_entries)
 304                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 305                                 fpopup->n_toggle_entries,
 306                                 (gpointer)folderview);
 307         if (fpopup->radio_entries)
 308                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 309                                 fpopup->n_radio_entries, fpopup->radio_default,
 310                                 G_CALLBACK(fpopup->radio_callback),
 311                                 (gpointer)folderview);
 312
 313         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 314         if (fpopup_common != fpopup) {
 315                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 316                                 fpopup_common->n_entries,
 317                                 (gpointer)folderview);
 318                 if (fpopup_common->toggle_entries)
 319                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 320                                         fpopup_common->n_toggle_entries,
 321                                         (gpointer)folderview);
 322                 if (fpopup_common->radio_entries)
 323                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 324                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 325                                         G_CALLBACK(fpopup_common->radio_callback),
 326                                         (gpointer)folderview);
 327         }
 328
 329         return action_group;
 330 }
 331
 332 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 333 {
 334         FolderView *folderview = data;
 335         FolderViewPopup *fpopup = value;
 336         GtkActionGroup *group;
 337
 338         group = create_action_group(folderview, fpopup);
 339         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 340 }
 341
 342 static void folderview_column_set_titles(FolderView *folderview)
 343 {
 344         GtkWidget *ctree = folderview->ctree;
 345         GtkWidget *label_folder;
 346         GtkWidget *label_new;
 347         GtkWidget *label_unread;
 348         GtkWidget *label_total;
 349         GtkWidget *hbox_folder;
 350         GtkWidget *hbox_new;
 351         GtkWidget *hbox_unread;
 352         GtkWidget *hbox_total;
 353         gint *col_pos = folderview->col_pos;
 354
 355         debug_print("setting titles...\n");
 356         gtk_widget_realize(folderview->ctree);
 357         gtk_widget_show_all(folderview->scrolledwin);
 358
 359         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 360          * instead text (text overflows making them unreadable and ugly) */
 361         stock_pixbuf_gdk(STOCK_PIXMAP_NEW, &newxpm);
 362         stock_pixbuf_gdk(STOCK_PIXMAP_UNREAD, &unreadxpm);
 363         stock_pixbuf_gdk(STOCK_PIXMAP_READ, &readxpm);
 364
 365         label_folder = gtk_label_new(_("Folder"));
 366         label_new = gtk_image_new_from_pixbuf(newxpm);
 367         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 368         label_total = gtk_image_new_from_pixbuf(readxpm);
 369
 370         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 371
 372         hbox_folder = gtk_hbox_new(FALSE, 4);
 373         hbox_new = gtk_hbox_new(FALSE, 4);
 374         hbox_unread = gtk_hbox_new(FALSE, 4);
 375         hbox_total = gtk_hbox_new(FALSE, 4);
 376
 377         /* left justified */
 378         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 379         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 380         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 381         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 382         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 383         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 384         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 385         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 386
 387         gtk_widget_show_all(hbox_folder);
 388         gtk_widget_show_all(hbox_new);
 389         gtk_widget_show_all(hbox_unread);
 390         gtk_widget_show_all(hbox_total);
 391
 392 #ifdef GENERIC_UMPC
 393         gtk_widget_set_size_request(hbox_new, -1, 20);
 394         gtk_widget_set_size_request(hbox_unread, -1, 20);
 395         gtk_widget_set_size_request(hbox_total, -1, 20);
 396 #endif
 397
 398         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 399         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 400         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 401         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 402
 403 #ifdef GENERIC_UMPC
 404         GTK_EVENTS_FLUSH();
 405 #endif
 406
 407         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 408         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 409         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 410 }
 411
 412 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 413 {
 414         FolderView *folderview = (FolderView *)data;
 415         GdkEventButton event;
 416         if (folderview_get_selected_item(folderview) == NULL)
 417                 return FALSE;
 418
 419         event.button = 3;
 420         event.time = gtk_get_current_event_time();
 421
 422         folderview_set_sens_and_popup_menu(folderview, -1,
 423                                 &event);
 424
 425         return TRUE;
 426 }
 427
 428
 429 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 430 {
 431         GtkWidget *ctree;
 432         gint *col_pos;
 433         FolderColumnState *col_state;
 434         FolderColumnType type;
 435         gchar *titles[N_FOLDER_COLS];
 436         gint i;
 437         GtkWidget *scrolledwin = folderview->scrolledwin;
 438
 439         debug_print("creating tree...\n");
 440         memset(titles, 0, sizeof(titles));
 441
 442         col_state = prefs_folder_column_get_config();
 443         memset(titles, 0, sizeof(titles));
 444
 445         col_pos = folderview->col_pos;
 446
 447         for (i = 0; i < N_FOLDER_COLS; i++) {
 448                 folderview->col_state[i] = col_state[i];
 449                 type = col_state[i].type;
 450                 col_pos[type] = i;
 451         }
 452
 453         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 454         titles[col_pos[F_COL_NEW]]    = _("New");
 455         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 456         /* TRANSLATORS: This in Number sign in American style */
 457         titles[col_pos[F_COL_TOTAL]]  = _("#");
 458
 459         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 460                                            titles);
 461
 462         if (prefs_common.show_col_headers == FALSE)
 463                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 464
 465
 466         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 467         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 468                                            GTK_JUSTIFY_RIGHT);
 469         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 470                                            col_pos[F_COL_UNREAD],
 471                                            GTK_JUSTIFY_RIGHT);
 472         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 473                                            col_pos[F_COL_TOTAL],
 474                                            GTK_JUSTIFY_RIGHT);
 475         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 476                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 477
 478         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 479         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 480
 481         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 482         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 483
 484         /* don't let title buttons take key focus */
 485         for (i = 0; i < N_FOLDER_COLS; i++) {
 486                 gtk_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 487                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 488                                    prefs_common.folder_col_size[i]);
 489                 gtk_cmclist_set_column_visibility
 490                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 491
 492                 g_signal_connect(G_OBJECT(GTK_CMCLIST(ctree)->column[i].button),
 493                                         "button-press-event",
 494                                         G_CALLBACK(folderview_header_button_pressed),
 495                                         folderview);
 496         }
 497
 498         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 499                          G_CALLBACK(folderview_key_pressed),
 500                          folderview);
 501         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 502                          G_CALLBACK(folderview_button_pressed),
 503                          folderview);
 504         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 505                          G_CALLBACK(folderview_popup_menu), folderview);
 506         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 507                          G_CALLBACK(folderview_button_released),
 508                          folderview);
 509         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 510                          G_CALLBACK(folderview_selected), folderview);
 511 #ifndef GENERIC_UMPC
 512         /* drag-n-dropping folders on maemo is impractical as this
 513          * opens the folder almost everytime */
 514         g_signal_connect(G_OBJECT(ctree), "start_drag",
 515                          G_CALLBACK(folderview_start_drag), folderview);
 516 #endif
 517         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 518                          G_CALLBACK(folderview_drag_data_get),
 519                          folderview);
 520
 521         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 522                                G_CALLBACK(folderview_tree_expanded),
 523                                folderview);
 524         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 525                                G_CALLBACK(folderview_tree_collapsed),
 526                                folderview);
 527
 528         g_signal_connect(G_OBJECT(ctree), "resize_column",
 529                          G_CALLBACK(folderview_col_resized),
 530                          folderview);
 531
 532         /* drop callback */
 533         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 534                           folderview_drag_types, 2,
 535                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 536         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 537                          G_CALLBACK(folderview_drag_motion_cb),
 538                          folderview);
 539         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 540                          G_CALLBACK(folderview_drag_leave_cb),
 541                          folderview);
 542         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 543                          G_CALLBACK(folderview_drag_received_cb),
 544                          folderview);
 545         g_signal_connect(G_OBJECT(ctree), "drag_end",
 546                          G_CALLBACK(folderview_drag_end_cb),
 547                          folderview);
 548
 549         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 550
 551         return ctree;
 552 }
 553
 554 void folderview_set_column_order(FolderView *folderview)
 555 {
 556         GtkWidget *ctree = folderview->ctree;
 557         FolderItem *item = folderview_get_selected_item(folderview);
 558         FolderItem *sel_item = NULL, *op_item = NULL;
 559         GtkWidget *scrolledwin = folderview->scrolledwin;
 560
 561         if (folderview->drag_timer_id != 0) {
 562                 g_source_remove(folderview->drag_timer_id);
 563                 folderview->drag_timer_id = 0;
 564         }
 565         if (folderview->deferred_refresh_id != 0) {
 566                 g_source_remove(folderview->deferred_refresh_id);
 567                 folderview->deferred_refresh_id = 0;
 568         }
 569         if (folderview->scroll_timeout_id != 0) {
 570                 g_source_remove(folderview->scroll_timeout_id);
 571                 folderview->scroll_timeout_id = 0;
 572         }
 573         if (folderview->postpone_select_id != 0) {
 574                 g_source_remove(folderview->postpone_select_id);
 575                 folderview->postpone_select_id = 0;
 576         }
 577
 578         if (folderview->selected)
 579                 sel_item = folderview_get_selected_item(folderview);
 580         if (folderview->opened)
 581                 op_item = folderview_get_opened_item(folderview);
 582
 583         debug_print("recreating tree...\n");
 584         gtk_widget_destroy(folderview->ctree);
 585
 586
 587         folderview->ctree = ctree = folderview_ctree_create(folderview);
 588         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 589                                             GTK_CMCLIST(ctree)->hadjustment);
 590         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 591                                             GTK_CMCLIST(ctree)->vadjustment);
 592         gtk_widget_show(ctree);
 593
 594         if (sel_item)
 595                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 596         if (op_item)
 597                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 598
 599         folderview_set(folderview);
 600         folderview_column_set_titles(folderview);
 601
 602         folderview_select(folderview,item);
 603 }
 604
 605 FolderView *folderview_create(MainWindow *mainwin)
 606 {
 607         FolderView *folderview;
 608         GtkWidget *scrolledwin;
 609         GtkWidget *ctree;
 610
 611         debug_print("Creating folder view...\n");
 612         folderview = g_new0(FolderView, 1);
 613
 614         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 615         gtk_scrolled_window_set_policy
 616                 (GTK_SCROLLED_WINDOW(scrolledwin),
 617                  GTK_POLICY_AUTOMATIC,
 618                  prefs_common.folderview_vscrollbar_policy);
 619         gtk_widget_set_size_request(scrolledwin,
 620                              prefs_common.folderview_width,
 621                              prefs_common.folderview_height);
 622
 623         folderview->scrolledwin  = scrolledwin;
 624         ctree = folderview_ctree_create(folderview);
 625
 626         /* create popup factories */
 627         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 628         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 629
 630         gtk_action_group_add_actions(mainwin->action_group,
 631                         folderview_header_popup_entries,
 632                         G_N_ELEMENTS(folderview_header_popup_entries),
 633                         (gpointer)folderview);
 634
 635         MENUITEM_ADDUI_MANAGER(mainwin->ui_manager, "/Menus", "FolderViewHeaderPopup", "FolderViewHeaderPopup", GTK_UI_MANAGER_MENU)
 636         MENUITEM_ADDUI_MANAGER(mainwin->ui_manager, "/Menus/FolderViewHeaderPopup", "SetDisplayedColumns", "FolderViewHeaderPopup/SetDisplayedColumns", GTK_UI_MANAGER_MENUITEM)
 637
 638         folderview->headerpopupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 639                                 gtk_ui_manager_get_widget(mainwin->ui_manager,
 640                                         "/Menus/FolderViewHeaderPopup") ));
 641
 642         folderview->ctree        = ctree;
 643
 644         folderview->folder_update_callback_id =
 645                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 646         folderview->folder_item_update_callback_id =
 647                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 648
 649         gtk_widget_show_all(scrolledwin);
 650
 651         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 652         folderview_list = g_list_append(folderview_list, folderview);
 653
 654         folderview->drag_timer_id       = 0;
 655         folderview->deferred_refresh_id = 0;
 656         folderview->scroll_timeout_id   = 0;
 657         folderview->postpone_select_id  = 0;
 658
 659         return folderview;
 660 }
 661
 662 void folderview_init(FolderView *folderview)
 663 {
 664         GtkWidget *ctree = folderview->ctree;
 665         GdkColor gdk_color;
 666         PangoFontDescription *normal_font;
 667
 668         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 669         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 670         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 671         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 672         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 673         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 674         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 675         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 676         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 677         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 678         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 679         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 680         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 681         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 682         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 683         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 684         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 685         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 686         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 687         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 688         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 689         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 690         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_OPEN, &foldersubsopenxpm);
 691         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE, &foldersubsxpm);
 692         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopenxpm);
 693         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselectxpm);
 694
 695         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 696         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 697         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 698         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 699         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 700         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 701         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 702         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 703         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 704         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 705         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 706         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 707         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 708         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 709         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 710         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 711         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 712         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 713         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 714         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 715         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 716         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 717         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE_MARK, &m_foldersubsxpm);
 718         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE_MARK, &m_foldernoselectxpm);
 719
 720         normal_font = pango_font_description_from_string(NORMAL_FONT);
 721         if (normal_font) {
 722                 gtk_widget_modify_font(ctree, normal_font);
 723                 pango_font_description_free(normal_font);
 724         }
 725         gtk_cmclist_set_row_height(GTK_CMCLIST(ctree), 0);
 726
 727         if (!normal_style) {
 728                 PangoFontDescription *font_desc;
 729                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 730                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 731                 if (font_desc) {
 732                         if (normal_style->font_desc)
 733                                 pango_font_description_free
 734                                         (normal_style->font_desc);
 735                         normal_style->font_desc = font_desc;
 736                 }
 737                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_NEW], &gdk_color);
 738                 normal_color_style = gtk_style_copy(normal_style);
 739                 normal_color_style->text[GTK_STATE_NORMAL] = gdk_color;
 740         }
 741
 742         if (!bold_style) {
 743                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_NEW], &gdk_color);
 744                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 745                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 746                         PangoFontDescription *font_desc;
 747                         font_desc = pango_font_description_from_string(NORMAL_FONT);
 748                         if (font_desc) {
 749                                 pango_font_description_free(bold_style->font_desc);
 750                                 bold_style->font_desc = font_desc;
 751                         }
 752                         pango_font_description_set_weight
 753                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 754                 } else {
 755                         PangoFontDescription *font_desc;
 756                         font_desc = pango_font_description_from_string(BOLD_FONT);
 757                         if (font_desc) {
 758                                 if (bold_style->font_desc)
 759                                         pango_font_description_free
 760                                                 (bold_style->font_desc);
 761                                 bold_style->font_desc = font_desc;
 762                         }
 763                 }
 764                 bold_color_style = gtk_style_copy(bold_style);
 765                 bold_color_style->text[GTK_STATE_NORMAL] = gdk_color;
 766
 767                 bold_tgtfold_style = gtk_style_copy(bold_style);
 768                 bold_tgtfold_style->text[GTK_STATE_NORMAL] = folderview->color_op;
 769         }
 770 }
 771
 772 static gboolean folderview_defer_set(gpointer data)
 773 {
 774         FolderView *folderview = (FolderView *)data;
 775         MainWindow *mainwin = folderview->mainwin;
 776
 777         if (!mainwin)
 778                 return FALSE;
 779         if (mainwin->lock_count)
 780                 return TRUE;
 781
 782         debug_print("doing deferred folderview_set now\n");
 783         folderview_set(folderview);
 784
 785         folderview->deferred_refresh_id = 0;
 786         return FALSE;
 787 }
 788
 789 void folderview_set(FolderView *folderview)
 790 {
 791         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 792         MainWindow *mainwin = folderview->mainwin;
 793         FolderItem *sel_item = NULL, *op_item = NULL;
 794
 795         if (!mainwin)
 796                 return;
 797
 798         if (mainwin->lock_count) {
 799                 if (folderview->deferred_refresh_id == 0)
 800                         folderview->deferred_refresh_id =
 801                                 g_timeout_add(500, folderview_defer_set, folderview);
 802                 debug_print("deferred folderview_set\n");
 803                 return;
 804         }
 805
 806         inc_lock();
 807         debug_print("Setting folder info...\n");
 808         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 809
 810         main_window_cursor_wait(mainwin);
 811
 812         if (folderview->selected)
 813                 sel_item = folderview_get_selected_item(folderview);
 814         if (folderview->opened)
 815                 op_item = folderview_get_opened_item(folderview);
 816
 817         folderview->selected = NULL;
 818         folderview->opened = NULL;
 819
 820         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 821         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 822
 823         folderview_set_folders(folderview);
 824
 825         if (sel_item)
 826                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 827         if (op_item)
 828                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 829
 830         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 831         main_window_cursor_normal(mainwin);
 832         STATUSBAR_POP(mainwin);
 833         inc_unlock();
 834 }
 835
 836 void folderview_set_all(void)
 837 {
 838         GList *list;
 839
 840         for (list = folderview_list; list != NULL; list = list->next)
 841                 folderview_set((FolderView *)list->data);
 842 }
 843
 844 void folderview_select(FolderView *folderview, FolderItem *item)
 845 {
 846         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 847         GtkCMCTreeNode *node;
 848         GtkCMCTreeNode *old_selected = folderview->selected;
 849
 850         if (!item) return;
 851
 852         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 853         if (node) folderview_select_node(folderview, node);
 854
 855         if (old_selected != node)
 856                 folder_update_op_count();
 857 }
 858
 859 static void mark_all_read_cb(GtkAction *action, gpointer data)
 860 {
 861         mark_all_read_unread_handler(action, data, FALSE, TRUE);
 862 }
 863
 864 static void mark_all_unread_cb(GtkAction *action, gpointer data)
 865 {
 866         mark_all_read_unread_handler(action, data, FALSE, FALSE);
 867 }
 868
 869 static void mark_all_read_recursive_cb(GtkAction *action, gpointer data)
 870 {
 871         mark_all_read_unread_handler(action, data, TRUE, TRUE);
 872 }
 873
 874 static void mark_all_unread_recursive_cb(GtkAction *action, gpointer data)
 875 {
 876         mark_all_read_unread_handler(action, data, TRUE, FALSE);
 877 }
 878
 879 static void mark_all_read_unread_handler(GtkAction *action, gpointer data,
 880                                                 gboolean recursive, gboolean read)
 881 {
 882         FolderView *folderview = (FolderView *)data;
 883         FolderItem *item;
 884         AlertValue val;
 885         gchar *message;
 886         gchar *title;
 887
 888         item = folderview_get_selected_item(folderview);
 889         if (item == NULL)
 890                 return;
 891
 892         if (read) {
 893                 title = _("Mark all as read");
 894                 message = recursive? _("Do you really want to mark all mails in this "
 895                                                         "folder and its sub-folders as read?") :
 896                                                         _("Do you really want to mark all mails in this "
 897                                                         "folder as read?");
 898         } else {
 899                 title = _("Mark all as unread");
 900                 message = recursive? _("Do you really want to mark all mails in this "
 901                                                         "folder and its sub-folders as unread?") :
 902                                                         _("Do you really want to mark all mails in this "
 903                                                         "folder as unread?");
 904         }
 905         if (prefs_common.ask_mark_all_read) {
 906                 val = alertpanel_full(title, message,
 907                           GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
 908                           TRUE, NULL, ALERT_QUESTION);
 909
 910                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 911                         return;
 912                 else if (val & G_ALERTDISABLE)
 913                         prefs_common.ask_mark_all_read = FALSE;
 914         }
 915
 916         folder_item_update_freeze();
 917         if (folderview->summaryview->folder_item != item && !recursive)
 918                 summary_lock(folderview->summaryview);
 919         else
 920                 summary_freeze(folderview->summaryview);
 921
 922         if (read) {
 923                 if (recursive)
 924                         folderutils_mark_all_read_recursive(item, TRUE);
 925                 else
 926                         folderutils_mark_all_read(item, TRUE);
 927         } else {
 928                 if (recursive)
 929                         folderutils_mark_all_read_recursive(item, FALSE);
 930                 else
 931                         folderutils_mark_all_read(item, FALSE);
 932         }
 933         if (folderview->summaryview->folder_item != item && !recursive)
 934                 summary_unlock(folderview->summaryview);
 935         else
 936                 summary_thaw(folderview->summaryview);
 937         folder_item_update_thaw();
 938 }
 939
 940 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 941 {
 942         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 943
 944         cm_return_if_fail(node != NULL);
 945
 946         if (folderview->open_folder) {
 947                 return;
 948         }
 949
 950         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 951         gtkut_ctree_expand_parent_all(ctree, node);
 952
 953         folderview->open_folder = TRUE;
 954         gtkut_ctree_set_focus_row(ctree, node);
 955         gtk_cmctree_select(ctree, node);
 956         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 957         if ((folderview->summaryview->folder_item &&
 958             folderview->summaryview->folder_item->total_msgs > 0) ||
 959              prefs_common.layout_mode == SMALL_LAYOUT)
 960                 summary_select_node(folderview->summaryview,
 961                                     folderview->summaryview->selected, OPEN_SELECTED_ON_FOLDER_OPEN);
 962         else
 963                 gtk_widget_grab_focus(folderview->ctree);
 964 }
 965
 966 void folderview_unselect(FolderView *folderview)
 967 {
 968         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 969                 gtk_cmctree_collapse
 970                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 971
 972         folderview->selected = folderview->opened = NULL;
 973 }
 974
 975 static GtkCMCTreeNode *folderview_find_next_with_flag(GtkCMCTree *ctree,
 976                                                       GtkCMCTreeNode *node,
 977                                                       MsgPermFlags flag)
 978 {
 979         FolderItem *item;
 980
 981         if (node)
 982                 node = gtkut_ctree_node_next(ctree, node);
 983         else
 984                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 985
 986         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 987                 item = gtk_cmctree_node_get_row_data(ctree, node);
 988                 if (!item)
 989                         continue;
 990                 if (item->stype == F_TRASH || item->stype == F_DRAFT)
 991                         continue;
 992                 switch (flag) {
 993                 case MSG_UNREAD:
 994                         if(item->unread_msgs > 0)
 995                                 return node;
 996                         break;
 997                 case MSG_NEW:
 998                         if(item->new_msgs > 0)
 999                                 return node;
1000                         break;
1001                 case MSG_MARKED:
1002                         if(item->marked_msgs > 0)
1003                                 return node;
1004                         break;
1005                 default:
1006                         if(item->total_msgs > 0)
1007                                 return node;
1008                         break;
1009                 }
1010         }
1011
1012         return NULL;
1013 }
1014
1015 void folderview_select_next_with_flag(FolderView *folderview,
1016                                       MsgPermFlags flag)
1017 {
1018         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1019         GtkCMCTreeNode *node = NULL;
1020         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1021
1022         switch (flag) {
1023         case MSG_UNREAD:
1024                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_UNREAD;
1025                 break;
1026         case MSG_NEW:
1027                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_NEW;
1028                 break;
1029         case MSG_MARKED:
1030                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_MARKED;
1031                 break;
1032         default:
1033                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_LIST;
1034                 break;
1035         }
1036
1037         node = folderview_find_next_with_flag(ctree, folderview->opened, flag);
1038         if (node != NULL) {
1039                 folderview_select_node(folderview, node);
1040                 goto out;
1041         }
1042
1043         if (!folderview->opened ||
1044             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
1045                 goto out;
1046         }
1047
1048         /* search again from the first node */
1049         node = folderview_find_next_with_flag(ctree, NULL, flag);
1050         if (node != NULL)
1051                 folderview_select_node(folderview, node);
1052
1053 out:
1054         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1055 }
1056
1057 FolderItem *folderview_get_selected_item(FolderView *folderview)
1058 {
1059         g_return_val_if_fail(folderview != NULL, NULL);
1060         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1061
1062         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1063
1064         if (!folderview->selected) return NULL;
1065         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
1066 }
1067
1068 FolderItem *folderview_get_opened_item(FolderView *folderview)
1069 {
1070         g_return_val_if_fail(folderview != NULL, NULL);
1071         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1072
1073         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1074
1075         if (!folderview->opened) return NULL;
1076         return gtk_cmctree_node_get_row_data(ctree, folderview->opened);
1077 }
1078
1079 static void folderview_set_folders(FolderView *folderview)
1080 {
1081         GList *list;
1082         list = folder_get_list();
1083
1084         for (; list != NULL; list = list->next) {
1085                 folderview_append_folder(folderview, FOLDER(list->data));
1086         }
1087 }
1088
1089 static gchar *get_scan_str(FolderItem *item)
1090 {
1091         if (item->path)
1092                 return g_strdup_printf(_("Scanning folder %s/%s..."),
1093                                       item->folder->name, item->path);
1094         else
1095                 return g_strdup_printf(_("Scanning folder %s..."),
1096                                       item->folder->name);
1097 }
1098 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1099                                       gpointer data)
1100 {
1101         GList *list;
1102         for (list = folderview_list; list != NULL; list = list->next) {
1103                 FolderView *folderview = (FolderView *)list->data;
1104                 MainWindow *mainwin = folderview->mainwin;
1105                 gchar *str = get_scan_str(item);
1106
1107                 STATUSBAR_PUSH(mainwin, str);
1108                 STATUSBAR_POP(mainwin);
1109                 g_free(str);
1110         }
1111 }
1112
1113 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1114 {
1115         GtkWidget *window;
1116         MainWindow *mainwin = mainwindow_get_mainwindow();
1117         FolderView *folderview = NULL;
1118         GtkAdjustment *pos = NULL;
1119         gint height = 0;
1120
1121         cm_return_if_fail(folder != NULL);
1122
1123         if (!folder->klass->scan_tree) return;
1124
1125         if (rebuild &&
1126             alertpanel_full(_("Rebuild folder tree"),
1127                          _("Rebuilding the folder tree will remove "
1128                            "local caches. Do you want to continue?"),
1129                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
1130                                                  FALSE, NULL, ALERT_WARNING)
1131                 != G_ALERTALTERNATE) {
1132                 return;
1133         }
1134
1135         inc_lock();
1136         if (rebuild)
1137                 window = label_window_create(_("Rebuilding folder tree..."));
1138         else
1139                 window = label_window_create(_("Scanning folder tree..."));
1140
1141         if (mainwin)
1142                 folderview = mainwin->folderview;
1143
1144         if (folderview) {
1145                 pos = gtk_scrolled_window_get_vadjustment(
1146                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1147                 height = gtk_adjustment_get_value(pos);
1148         }
1149
1150         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1151         folder_scan_tree(folder, rebuild);
1152         folder_set_ui_func(folder, NULL, NULL);
1153
1154         folderview_set_all();
1155
1156         if (folderview) {
1157                 pos = gtk_scrolled_window_get_vadjustment(
1158                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1159                 gtk_adjustment_set_value(pos, height);
1160                 gtk_adjustment_changed(pos);
1161         }
1162         label_window_destroy(window);
1163         inc_unlock();
1164 }
1165
1166 /** folderview_check_new()
1167  *  Scan and update the folder and return the
1168  *  count the number of new messages since last check.
1169  *  \param folder the folder to check for new messages
1170  *  \return the number of new messages since last check
1171  */
1172 gint folderview_check_new(Folder *folder)
1173 {
1174         GList *list;
1175         FolderItem *item;
1176         FolderView *folderview;
1177         GtkCMCTree *ctree;
1178         GtkCMCTreeNode *node;
1179         gint new_msgs = 0;
1180         gint former_new_msgs = 0;
1181         gint former_new = 0, former_unread = 0, former_total;
1182
1183         for (list = folderview_list; list != NULL; list = list->next) {
1184                 folderview = (FolderView *)list->data;
1185                 ctree = GTK_CMCTREE(folderview->ctree);
1186                 folderview->scanning_folder = folder;
1187                 inc_lock();
1188                 main_window_lock(folderview->mainwin);
1189
1190                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1191                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1192                         gchar *str = NULL;
1193                         item = gtk_cmctree_node_get_row_data(ctree, node);
1194                         if (!item || !item->path || !item->folder) continue;
1195                         if (item->no_select) continue;
1196                         if (folder && folder != item->folder) continue;
1197                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1198                         if (!item->prefs->newmailcheck) continue;
1199                         if (item->processing_pending == TRUE) {
1200                                 debug_print("skipping %s, processing pending\n",
1201                                         item->path ? item->path : item->name);
1202                                 continue;
1203                         }
1204                         if (item->scanning != ITEM_NOT_SCANNING) {
1205                                 debug_print("skipping %s, scanning\n",
1206                                         item->path ? item->path : item->name);
1207                                 continue;
1208                         }
1209
1210                         str = get_scan_str(item);
1211
1212                         STATUSBAR_PUSH(folderview->mainwin, str);
1213                         GTK_EVENTS_FLUSH();
1214                         g_free(str);
1215
1216                         folderview_scan_tree_func(item->folder, item, NULL);
1217                         former_new    = item->new_msgs;
1218                         former_unread = item->unread_msgs;
1219                         former_total  = item->total_msgs;
1220
1221                         if (item->folder->klass->scan_required &&
1222                             (item->folder->klass->scan_required(item->folder, item) ||
1223                              item->folder->inbox == item ||
1224                              item->opened == TRUE ||
1225                              item->processing_pending == TRUE)) {
1226                                 if (folder_item_scan(item) < 0) {
1227                                         if (folder) {
1228                                                 summaryview_unlock(folderview->summaryview, item);
1229                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1230                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1231                                                                 item->path ? item->path:item->name);
1232                                                         STATUSBAR_POP(folderview->mainwin);
1233                                                         continue;
1234                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1235                                                         STATUSBAR_POP(folderview->mainwin);
1236                                                         break;
1237                                                 }
1238                                         }
1239                                 }
1240                         } else if (!item->folder->klass->scan_required) {
1241                                 if (folder_item_scan(item) < 0) {
1242                                         summaryview_unlock(folderview->summaryview, item);
1243                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1244                                                 STATUSBAR_POP(folderview->mainwin);
1245                                                 break;
1246                                         }
1247                                 }
1248                         }
1249                         if (former_new    != item->new_msgs ||
1250                             former_unread != item->unread_msgs ||
1251                             former_total  != item->total_msgs)
1252                                 folderview_update_node(folderview, node);
1253
1254                         new_msgs += item->new_msgs;
1255                         former_new_msgs += former_new;
1256                         STATUSBAR_POP(folderview->mainwin);
1257                 }
1258                 folderview->scanning_folder = NULL;
1259                 main_window_unlock(folderview->mainwin);
1260                 inc_unlock();
1261         }
1262
1263         folder_write_list();
1264         /* Number of new messages since last check is the just the difference
1265          * between former_new_msgs and new_msgs. If new_msgs is less than
1266          * former_new_msgs, that would mean another session accessed the folder
1267          * and the result is not well defined.
1268          */
1269         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1270         return new_msgs;
1271 }
1272
1273 void folderview_check_new_all(void)
1274 {
1275         GList *list;
1276         GtkWidget *window;
1277         FolderView *folderview;
1278
1279         folderview = (FolderView *)folderview_list->data;
1280
1281         inc_lock();
1282         main_window_lock(folderview->mainwin);
1283         window = label_window_create
1284                 (_("Checking for new messages in all folders..."));
1285
1286         list = folder_get_list();
1287         for (; list != NULL; list = list->next) {
1288                 Folder *folder = list->data;
1289
1290                 folderview_check_new(folder);
1291         }
1292
1293         folder_write_list();
1294         folderview_set_all();
1295
1296         label_window_destroy(window);
1297         main_window_unlock(folderview->mainwin);
1298         inc_unlock();
1299 }
1300
1301 static gboolean folderview_have_children_sub(FolderView *folderview,
1302                                              FolderItem *item,
1303                                              gboolean in_sub)
1304 {
1305         GNode *node = NULL;
1306
1307         if (!item || !item->folder || !item->folder->node)
1308                 return FALSE;
1309
1310         node = item->folder->node;
1311
1312         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1313         node = node->children;
1314
1315         if (in_sub && item->total_msgs > 0) {
1316                 return TRUE;
1317         }
1318
1319         while (node != NULL) {
1320                 if (node && node->data) {
1321                         FolderItem *next_item = (FolderItem*) node->data;
1322                         node = node->next;
1323                         if (folderview_have_children_sub(folderview,
1324                                                          next_item, TRUE))
1325                                 return TRUE;
1326                 }
1327         }
1328
1329         return FALSE;
1330 }
1331
1332 static gboolean folderview_have_children(FolderView *folderview,
1333                                          FolderItem *item)
1334 {
1335         return folderview_have_children_sub(folderview, item, FALSE);
1336 }
1337
1338 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1339                                                  FolderItem *item,
1340                                                  gboolean in_sub)
1341 {
1342         GNode *node = NULL;
1343
1344         if (!item || !item->folder || !item->folder->node)
1345                 return FALSE;
1346
1347         node = item->folder->node;
1348
1349         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1350         node = node->children;
1351
1352         if (in_sub &&
1353             (item->new_msgs > 0 ||
1354             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1355                 return TRUE;
1356         }
1357
1358         while (node != NULL) {
1359                 if (node && node->data) {
1360                         FolderItem *next_item = (FolderItem*) node->data;
1361                         node = node->next;
1362                         if (folderview_have_new_children_sub(folderview,
1363                                                              next_item, TRUE))
1364                                 return TRUE;
1365                 }
1366         }
1367
1368         return FALSE;
1369 }
1370
1371 static gboolean folderview_have_new_children(FolderView *folderview,
1372                                              FolderItem *item)
1373 {
1374         return folderview_have_new_children_sub(folderview, item, FALSE);
1375 }
1376
1377 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1378                                                     FolderItem *item,
1379                                                     gboolean in_sub)
1380 {
1381         GNode *node = NULL;
1382
1383         if (!item || !item->folder || !item->folder->node)
1384                 return FALSE;
1385
1386         node = item->folder->node;
1387
1388         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1389         node = node->children;
1390
1391         if (in_sub &&
1392             (item->unread_msgs > 0 ||
1393             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1394                 return TRUE;
1395         }
1396
1397         while (node != NULL) {
1398                 if (node && node->data) {
1399                         FolderItem *next_item = (FolderItem*) node->data;
1400                         node = node->next;
1401                         if (folderview_have_unread_children_sub(folderview,
1402                                                                 next_item,
1403                                                                 TRUE))
1404                                 return TRUE;
1405                 }
1406         }
1407
1408         return FALSE;
1409 }
1410
1411 static gboolean folderview_have_unread_children(FolderView *folderview,
1412                                                 FolderItem *item)
1413 {
1414         return folderview_have_unread_children_sub(folderview, item, FALSE);
1415 }
1416
1417 static gboolean folderview_have_read_children_sub(FolderView *folderview,
1418                                                     FolderItem *item,
1419                                                     gboolean in_sub)
1420 {
1421         GNode *node = NULL;
1422
1423         if (!item || !item->folder || !item->folder->node) {
1424                 return FALSE;
1425         }
1426
1427         node = item->folder->node;
1428
1429         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1430         node = node->children;
1431
1432         if (in_sub &&
1433             (((item->total_msgs > 0) &&
1434                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs))))) {
1435                 return TRUE;
1436         }
1437
1438         while (node != NULL) {
1439                 if (node && node->data) {
1440                         FolderItem *next_item = (FolderItem*) node->data;
1441                         node = node->next;
1442                         if (folderview_have_read_children_sub(folderview,
1443                                                                 next_item,
1444                                                                 TRUE)) {
1445                                 return TRUE;
1446                         }
1447                 }
1448         }
1449
1450         return FALSE;
1451 }
1452
1453 static gboolean folderview_have_read_children(FolderView *folderview,
1454                                                 FolderItem *item)
1455 {
1456         return folderview_have_read_children_sub(folderview, item, FALSE);
1457 }
1458
1459 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1460                                                       FolderItem *item,
1461                                                       gboolean in_sub)
1462 {
1463         GNode *node = NULL;
1464
1465         if (!item || !item->folder || !item->folder->node)
1466                 return FALSE;
1467
1468         node = item->folder->node;
1469
1470         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1471         node = node->children;
1472
1473         if (in_sub && item->search_match){
1474                 return TRUE;
1475         }
1476
1477         while (node != NULL) {
1478                 if (node && node->data) {
1479                         FolderItem *next_item = (FolderItem*) node->data;
1480                         node = node->next;
1481                         if (folderview_have_matching_children_sub(folderview,
1482                                                                   next_item,
1483                                                                   TRUE))
1484                                 return TRUE;
1485                 }
1486         }
1487
1488         return FALSE;
1489 }
1490
1491 static gboolean folderview_have_matching_children(FolderView *folderview,
1492                                                   FolderItem *item)
1493 {
1494         return folderview_have_matching_children_sub(folderview, item, FALSE);
1495 }
1496
1497 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1498                                                     FolderItem *item,
1499                                                     gboolean in_sub)
1500 {
1501         GNode *node = NULL;
1502
1503         if (!item || !item->folder || !item->folder->node)
1504                 return FALSE;
1505
1506         node = item->folder->node;
1507
1508         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1509         node = node->children;
1510
1511         if (item->marked_msgs != 0) {
1512                 return TRUE;
1513         }
1514
1515         while (node != NULL) {
1516                 if (node && node->data) {
1517                         FolderItem *next_item = (FolderItem*) node->data;
1518                         node = node->next;
1519                         if (folderview_have_marked_children_sub(folderview,
1520                                                                 next_item, TRUE))
1521                                 return TRUE;
1522                 }
1523         }
1524
1525         return FALSE;
1526 }
1527
1528 static gboolean folderview_have_marked_children(FolderView *folderview,
1529                                              FolderItem *item)
1530 {
1531         return folderview_have_marked_children_sub(folderview, item, FALSE);
1532 }
1533
1534 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1535 {
1536         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1537         GtkStyle *style = NULL;
1538         GtkStyle *color_style = NULL;
1539         FolderItem *item;
1540         GdkPixbuf *xpm, *openxpm;
1541         static GdkPixbuf *searchicon;
1542         gboolean mark = FALSE;
1543         gchar *name;
1544         gchar *str;
1545         gboolean add_unread_mark;
1546         gboolean add_sub_match_mark;
1547         gboolean use_bold, use_color;
1548         gint *col_pos = folderview->col_pos;
1549         SpecialFolderItemType stype;
1550         gboolean copiedstyle = FALSE;
1551
1552         item = gtk_cmctree_node_get_row_data(ctree, node);
1553         cm_return_if_fail(item != NULL);
1554
1555         if (!GTK_CMCTREE_ROW(node)->expanded)
1556                 mark = folderview_have_marked_children(folderview, item);
1557         else
1558                 mark = (item->marked_msgs != 0);
1559
1560         stype = item->stype;
1561         if (stype == F_NORMAL) {
1562                 if (folder_has_parent_of_type(item, F_TRASH))
1563                         stype = F_TRASH;
1564                 else if (folder_has_parent_of_type(item, F_DRAFT))
1565                         stype = F_DRAFT;
1566                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1567                         stype = F_OUTBOX;
1568                 else if (folder_has_parent_of_type(item, F_QUEUE))
1569                         stype = F_QUEUE;
1570         }
1571         switch (stype) {
1572         case F_INBOX:
1573                 if (item->hide_read_msgs || item->hide_read_threads) {
1574                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1575                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1576                 } else {
1577                         xpm = mark?m_inboxxpm:inboxxpm;
1578                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1579                 }
1580                 break;
1581         case F_OUTBOX:
1582                 if (item->hide_read_msgs || item->hide_read_threads) {
1583                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1584                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1585                 } else {
1586                         xpm = mark?m_outboxxpm:outboxxpm;
1587                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1588                 }
1589                 break;
1590         case F_QUEUE:
1591                 if (item->hide_read_msgs || item->hide_read_threads) {
1592                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1593                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1594                 } else {
1595                         xpm = mark?m_queuexpm:queuexpm;
1596                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1597                 }
1598                 break;
1599         case F_TRASH:
1600                 if (item->hide_read_msgs || item->hide_read_threads) {
1601                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1602                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1603                 } else {
1604                         xpm = mark?m_trashxpm:trashxpm;
1605                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1606                 }
1607                 break;
1608         case F_DRAFT:
1609                 xpm = mark?m_draftsxpm:draftsxpm;
1610                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1611                 break;
1612         default:
1613                 if (!item->path &&
1614                     FOLDER_TYPE(item->folder) == F_IMAP &&
1615                     item->folder->account->imap_subsonly) {
1616                         xpm = mark?m_foldersubsxpm:foldersubsxpm;
1617                         openxpm = foldersubsopenxpm;
1618                 } else if (item->no_select) {
1619                         xpm = mark?m_foldernoselectxpm:foldernoselectxpm;
1620                         openxpm = foldernoselectopenxpm;
1621                 } else if (item->hide_read_msgs || item->hide_read_threads) {
1622                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1623                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1624                 } else {
1625                         xpm = mark?m_folderxpm:folderxpm;
1626                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1627                 }
1628         }
1629
1630         name = folder_item_get_name(item);
1631
1632         if (!GTK_CMCTREE_ROW(node)->expanded) {
1633                 add_unread_mark = folderview_have_unread_children(
1634                                         folderview, item);
1635                 add_sub_match_mark = folderview_have_matching_children(
1636                                         folderview, item);
1637         } else {
1638                 add_unread_mark = FALSE;
1639                 add_sub_match_mark = FALSE;
1640         }
1641
1642         if (item->search_match) {
1643                 if (!searchicon) {
1644                         stock_pixbuf_gdk(STOCK_PIXMAP_QUICKSEARCH,
1645                          &searchicon);
1646                 }
1647                 xpm = openxpm = searchicon;
1648         }
1649
1650         str = NULL;
1651         if (prefs_common.display_folder_unread) {
1652                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1653                         /* only total_msgs matters here */
1654                         if (item->total_msgs > 0) {
1655                                 /* show total number (should be equal to the unread number)
1656                                    and signs if any */
1657                                 str = g_strdup_printf("%s (%d%s%s)",
1658                                                         name, item->total_msgs,
1659                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1660                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1661                         }
1662                 } else {
1663                         if (prefs_common.display_folder_unread == 1) {
1664                                 if (item->unread_msgs > 0) {
1665                                         /* show unread number and signs */
1666                                         str = g_strdup_printf("%s (%d%s%s)",
1667                                                                 name, item->unread_msgs,
1668                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1669                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1670                                 }
1671                         } else {
1672                                 if (item->total_msgs > 0) {
1673                                         /* show unread number, total number and signs if any */
1674                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1675                                                                 name, item->unread_msgs, item->total_msgs,
1676                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1677                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1678                                 }
1679                         }
1680                 }
1681                 if ((str == NULL) &&
1682                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1683                         /* no unread/total numbers, but at least one sign */
1684                         str = g_strdup_printf("%s (%s%s)",
1685                                                 name,
1686                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1687                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1688                 }
1689         }
1690         if (str == NULL) {
1691                 /* last fallback, folder name only or with +! sign */
1692                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1693                         str = g_strdup_printf("%s%s",
1694                                                 name, " (+!)");
1695                 } else if (item->unreadmarked_msgs > 0) {
1696                         str = g_strdup_printf("%s%s",
1697                                                 name, " (!)");
1698                 } else if (add_sub_match_mark) {
1699                         str = g_strdup_printf("%s%s",
1700                                                 name, " (+)");
1701                 } else {
1702                         str = g_strdup_printf("%s", name);
1703                 }
1704         }
1705         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1706                                 xpm, openxpm,
1707                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1708         g_free(str);
1709         g_free(name);
1710
1711         if (!folder_item_parent(item)) {
1712                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1713                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1714                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1715         } else {
1716                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1717                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1718                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1719         }
1720
1721         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1722             folder_has_parent_of_type(item, F_TRASH)) {
1723                 use_bold = use_color = FALSE;
1724         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1725                 GSList *list = folder_item_get_msg_list(item);
1726                 GSList *cur;
1727                 use_bold = use_color = FALSE;
1728                 for (cur = list; cur; cur = cur->next) {
1729                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1730                         if (!MSG_IS_DELETED(msginfo->flags)) {
1731                                 /* highlight queue folder if there are any messages */
1732                                 use_bold = use_color = TRUE;
1733                                 break;
1734                         }
1735                 }
1736                 if (!GTK_CMCTREE_ROW(node)->expanded &&
1737                     use_bold == FALSE &&
1738                     folderview_have_children(folderview, item))
1739                         use_bold = use_color = TRUE;
1740                 procmsg_msg_list_free(list);
1741         } else {
1742                 /* if unread messages exist, print with bold font */
1743                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1744                                 || add_unread_mark;
1745                 /* if new messages exist, print with colored letter */
1746                 use_color =
1747                         (item->new_msgs > 0) ||
1748                         (add_unread_mark &&
1749                          folderview_have_new_children(folderview, item));
1750         }
1751
1752         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1753
1754         if (use_bold) {
1755                 GdkColor gdk_color;
1756
1757                 if (item->prefs->color > 0 && !use_color) {
1758                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1759                         color_style = gtk_style_copy(bold_style);
1760                         copiedstyle = TRUE;
1761                         color_style->text[GTK_STATE_NORMAL] = gdk_color;
1762                         style = color_style;
1763                 } else if (use_color) {
1764                         style = bold_color_style;
1765                 } else
1766                         style = bold_style;
1767                 if (item->op_count > 0) {
1768                         style = bold_tgtfold_style;
1769                 }
1770         } else if (use_color) {
1771                 style = normal_color_style;
1772                 gtk_cmctree_node_set_foreground(ctree, node,
1773                                               &folderview->color_new);
1774         } else if (item->op_count > 0) {
1775                 style = bold_tgtfold_style;
1776         } else if (item->prefs->color > 0) {
1777                 GdkColor gdk_color;
1778                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1779                 color_style = gtk_style_copy(normal_style);
1780                 copiedstyle = TRUE;
1781                 color_style->text[GTK_STATE_NORMAL] = gdk_color;
1782                 style = color_style;
1783         } else {
1784                 style = normal_style;
1785         }
1786
1787         gtk_cmctree_node_set_row_style(ctree, node, style);
1788         if (copiedstyle)
1789                 g_object_unref(style);
1790
1791         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1792                 folderview_update_node(folderview, node);
1793 }
1794
1795 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1796 {
1797         GList *list;
1798         FolderView *folderview;
1799         GtkCMCTree *ctree;
1800         GtkCMCTreeNode *node;
1801
1802         cm_return_if_fail(item != NULL);
1803
1804         for (list = folderview_list; list != NULL; list = list->next) {
1805                 folderview = (FolderView *)list->data;
1806                 ctree = GTK_CMCTREE(folderview->ctree);
1807
1808                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1809                 if (node && item->search_match != matches) {
1810                         item->search_match = matches;
1811                         folderview_update_node(folderview, node);
1812                 }
1813         }
1814 }
1815
1816 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1817 {
1818         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1819         FolderView *folderview = (FolderView *)data;
1820         GtkCMCTree *ctree;
1821         GtkCMCTreeNode *node;
1822         cm_return_val_if_fail(update_info != NULL, TRUE);
1823         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1824         cm_return_val_if_fail(folderview != NULL, FALSE);
1825
1826         ctree = GTK_CMCTREE(folderview->ctree);
1827
1828         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1829
1830         if (node) {
1831                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1832                         folderview_update_node(folderview, node);
1833
1834                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1835                      update_info->item == folderview->summaryview->folder_item &&
1836                      update_info->item != NULL)
1837                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1838                                 summary_show(folderview->summaryview, update_info->item);
1839         }
1840
1841         return FALSE;
1842 }
1843
1844 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1845                                       GNode *gnode, GtkCMCTreeNode *cnode,
1846                                       gpointer data)
1847 {
1848         FolderView *folderview = (FolderView *)data;
1849         FolderItem *item = FOLDER_ITEM(gnode->data);
1850
1851         cm_return_val_if_fail(item != NULL, FALSE);
1852
1853         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1854         folderview_update_node(folderview, cnode);
1855
1856         return TRUE;
1857 }
1858
1859 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1860                                    gpointer data)
1861 {
1862         FolderView *folderview = (FolderView *)data;
1863         FolderItem *item;
1864
1865         if (GTK_CMCTREE_ROW(node)->children) {
1866                 item = gtk_cmctree_node_get_row_data(ctree, node);
1867                 cm_return_if_fail(item != NULL);
1868
1869                 if (!item->collapsed)
1870                         gtk_cmctree_expand(ctree, node);
1871                 else
1872                         folderview_update_node(folderview, node);
1873         }
1874 }
1875
1876 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1877                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1878 {
1879         if (item) {
1880                 GtkCMCTreeNode *node, *parent, *sibling;
1881
1882                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1883                 if (!node)
1884                         g_warning("%s not found.", item->path);
1885                 else {
1886                         parent = GTK_CMCTREE_ROW(node)->parent;
1887                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1888                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1889                         else
1890                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1891                         while (sibling) {
1892                                 FolderItem *tmp;
1893
1894                                 tmp = gtk_cmctree_node_get_row_data
1895                                         (ctree, sibling);
1896                                 if (tmp && tmp->stype != F_NORMAL)
1897                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1898                                 else
1899                                         break;
1900                         }
1901                         if (node != sibling)
1902                                 gtk_cmctree_move(ctree, node, parent, sibling);
1903                 }
1904
1905                 *prev = node;
1906         }
1907 }
1908
1909 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1910                                     Folder *folder)
1911 {
1912         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1913         GtkCMCTreeNode *prev = NULL;
1914
1915         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1916         gtk_sctree_sort_recursive(ctree, root);
1917         if (root && GTK_CMCTREE_ROW(root)->parent) {
1918                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1919                 return;
1920         }
1921         set_special_folder(ctree, folder->inbox, root, &prev);
1922         set_special_folder(ctree, folder->outbox, root, &prev);
1923         set_special_folder(ctree, folder->draft, root, &prev);
1924         set_special_folder(ctree, folder->queue, root, &prev);
1925         set_special_folder(ctree, folder->trash, root, &prev);
1926         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1927 }
1928
1929 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1930 {
1931         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1932         GtkCMCTreeNode *root;
1933
1934         cm_return_if_fail(folder != NULL);
1935
1936         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1937                                       folderview_gnode_func, folderview);
1938         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1939                                 folderview);
1940         folderview_sort_folders(folderview, root, folder);
1941 }
1942
1943 /* callback functions */
1944 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1945                                 GdkEventButton *event)
1946 {
1947         FolderItem *item;
1948         Folder *folder;
1949         FolderViewPopup *fpopup;
1950         GtkActionGroup *action_group;
1951         GtkWidget *popup;
1952         FolderItem *special_trash = NULL, *special_queue = NULL;
1953         PrefsAccount *ac;
1954         GtkUIManager *ui_manager = gtk_ui_manager_new();
1955
1956         if (folderview->ui_manager)
1957                 g_object_unref(folderview->ui_manager);
1958
1959         folderview->ui_manager = ui_manager;
1960         item = folderview_get_selected_item(folderview);
1961
1962         cm_return_if_fail(item != NULL);
1963         cm_return_if_fail(item->folder != NULL);
1964         folder = item->folder;
1965
1966         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1967
1968         if (fpopup != NULL)
1969                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1970         else {
1971                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1972                 action_group = g_hash_table_lookup(folderview->popups, "common");
1973         }
1974
1975         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1976         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1977         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1978
1979         if (fpopup->add_menuitems)
1980                 fpopup->add_menuitems(ui_manager, item);
1981
1982         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1983         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnread", "FolderViewPopup/MarkAllUnread", GTK_UI_MANAGER_MENUITEM)
1984         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllReadRec", "FolderViewPopup/MarkAllReadRec", GTK_UI_MANAGER_MENUITEM)
1985         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnreadRec", "FolderViewPopup/MarkAllUnreadRec", GTK_UI_MANAGER_MENUITEM)
1986         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1987         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1988         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1989         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1990         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1991
1992         if (fpopup->set_sensitivity != NULL)
1993                 fpopup->set_sensitivity(ui_manager, item);
1994
1995         if (NULL != (ac = account_find_from_item(item))) {
1996                 special_trash = account_get_special_folder(ac, F_TRASH);
1997                 special_queue = account_get_special_folder(ac, F_QUEUE);
1998         }
1999
2000         if ((item == folder->trash || item == special_trash
2001              || folder_has_parent_of_type(item, F_TRASH))) {
2002                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
2003                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
2004         }
2005
2006         if ((item == folder->queue || item == special_queue
2007              || folder_has_parent_of_type(item, F_QUEUE))) {
2008                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
2009                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
2010         }
2011
2012 #define SET_SENS(name, sens) \
2013         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
2014
2015         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs > 0);
2016         SET_SENS("FolderViewPopup/MarkAllUnread", (item->total_msgs > 0) &&
2017                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs)));
2018         SET_SENS("FolderViewPopup/MarkAllReadRec", folderview_have_unread_children(folderview,item));
2019         SET_SENS("FolderViewPopup/MarkAllUnreadRec", folderview_have_read_children(folderview,item));
2020         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs > 0 &&
2021                  folderview->selected == folderview->opened);
2022         SET_SENS("FolderViewPopup/Properties", TRUE);
2023
2024         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
2025                  item->total_msgs >= 1 && !item->processing_pending);
2026         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
2027                 !item->no_select && !item->processing_pending);
2028
2029         if (item == folder->trash || item == special_trash
2030             || folder_has_parent_of_type(item, F_TRASH)) {
2031                 GSList *msglist = folder_item_get_msg_list(item);
2032                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
2033                 procmsg_msg_list_free(msglist);
2034         }
2035         if (item == folder->queue || item == special_queue
2036             || folder_has_parent_of_type(item, F_QUEUE)) {
2037                 GSList *msglist = folder_item_get_msg_list(item);
2038                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
2039                 procmsg_msg_list_free(msglist);
2040         }
2041 #undef SET_SENS
2042
2043         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
2044                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
2045         g_signal_connect(G_OBJECT(popup), "selection_done",
2046                          G_CALLBACK(folderview_popup_close),
2047                          folderview);
2048         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
2049                        event->button, event->time);
2050 }
2051
2052 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
2053                                           FolderView *folderview)
2054 {
2055         GtkCMCList *clist = GTK_CMCLIST(ctree);
2056         gint prev_row = -1, row = -1, column = -1;
2057
2058         if (!event) return FALSE;
2059         if (event->window != clist->clist_window) return FALSE;
2060
2061         if (event->button == 1 || event->button == 2) {
2062                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
2063                         folderview->open_folder = TRUE;
2064
2065                 if (event->type == GDK_2BUTTON_PRESS) {
2066                         if (clist->selection) {
2067                                 GtkCMCTreeNode *node;
2068
2069                                 node = GTK_CMCTREE_NODE(clist->selection->data);
2070                                 if (node) {
2071                                         gtk_cmctree_toggle_expansion(
2072                                                 GTK_CMCTREE(ctree),
2073                                                 node);
2074                                         folderview->open_folder = FALSE;
2075                                 }
2076                         }
2077                 }
2078                 return FALSE;
2079         }
2080
2081         if (event->button == 2 || event->button == 3) {
2082                 /* right clicked */
2083                 if (clist->selection) {
2084                         GtkCMCTreeNode *node;
2085
2086                         node = GTK_CMCTREE_NODE(clist->selection->data);
2087                         if (node)
2088                                 prev_row = gtkut_ctree_get_nth_from_node
2089                                         (GTK_CMCTREE(ctree), node);
2090                 }
2091
2092                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
2093                                                   &row, &column))
2094                         return FALSE;
2095                 if (prev_row != row) {
2096                         gtk_cmclist_unselect_all(clist);
2097                         if (event->button == 2)
2098                                 folderview_select_node
2099                                         (folderview,
2100                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
2101                                                             row));
2102                         else
2103                                 gtk_cmclist_select_row(clist, row, column);
2104                 }
2105         }
2106
2107         if (event->button != 3) return FALSE;
2108
2109         folderview_set_sens_and_popup_menu(folderview, row, event);
2110         return FALSE;
2111 }
2112
2113 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2114                                            FolderView *folderview)
2115 {
2116         int row = -1, column = -1;
2117
2118         if (!event) return FALSE;
2119
2120         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
2121                                           &row, &column))
2122                 return FALSE;
2123         if (event->button == 1 && folderview->open_folder == FALSE &&
2124             folderview->opened != NULL) {
2125                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
2126                                           folderview->opened);
2127                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
2128         }
2129
2130         return FALSE;
2131 }
2132
2133 #define BREAK_ON_MODIFIER_KEY() \
2134         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
2135
2136 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2137                                        FolderView *folderview)
2138 {
2139         GtkCMCTreeNode *node;
2140         FolderItem *item;
2141
2142         if (!event) return FALSE;
2143
2144         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2145                 return FALSE;
2146
2147         switch (event->keyval) {
2148         case GDK_KEY_Right:
2149                 if (folderview->selected) {
2150                         if (GTK_CMCTREE_ROW(folderview->selected)->children != NULL
2151                                         && !GTK_CMCTREE_ROW(folderview->selected)->expanded)
2152                                 gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree),
2153                                                 folderview->selected);
2154                         else
2155                                 folderview_select_node(folderview,
2156                                                        folderview->selected);
2157                 }
2158                 break;
2159 #ifdef GENERIC_UMPC
2160         case GDK_KEY_Return:
2161                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2162                         gtk_cmctree_toggle_expansion(
2163                                 GTK_CMCTREE(folderview->ctree),
2164                                 folderview->selected);
2165                 }
2166                 break;
2167 #else
2168         case GDK_KEY_Return:
2169         case GDK_KEY_KP_Enter:
2170                 if (folderview->selected)
2171                         folderview_select_node(folderview, folderview->selected);
2172                 break;
2173 #endif
2174         case GDK_KEY_space:
2175                 BREAK_ON_MODIFIER_KEY();
2176                 if (folderview->selected) {
2177                         if (folderview->opened == folderview->selected &&
2178                             (!folderview->summaryview->folder_item ||
2179                              folderview->summaryview->folder_item->total_msgs == 0))
2180                                 folderview_select_next_with_flag(folderview, MSG_UNREAD);
2181                         else
2182                                 folderview_select_node(folderview,
2183                                                        folderview->selected);
2184                 }
2185                 break;
2186         case GDK_KEY_Left:
2187                 if (folderview->selected) {
2188                         /* If the folder is expanded and can be collapsed, do that... */
2189                         if (GTK_CMCTREE_ROW(folderview->selected)->expanded &&
2190                                         GTK_CMCTREE_ROW(folderview->selected)->children != NULL) {
2191                                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree),
2192                                                 folderview->selected);
2193                         } else {
2194                                 /* ...otherwise, move cursor to its parent node. */
2195                                 if ((item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2196                                                 folderview->selected))) {
2197                                         if ((node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2198                                                         NULL, folder_item_parent(item)))) {
2199                                                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2200                                                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2201                                                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2202                                                                         node, -1, 0, 0);
2203                                         }
2204                                 }
2205                         }
2206                 }
2207                 break;
2208         case GDK_KEY_Home:
2209         case GDK_KEY_End:
2210                 if (event->keyval == GDK_KEY_Home)
2211                         node = gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0);
2212                 else
2213                         node = gtk_cmctree_last(GTK_CMCTREE(folderview->ctree),
2214                                         gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0));
2215
2216                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2217
2218                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2219                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2220                                         node, -1, 0, 0);
2221                 break;
2222         default:
2223                 break;
2224         }
2225
2226         return FALSE;
2227 }
2228
2229 typedef struct _PostponedSelectData
2230 {
2231         GtkCMCTree *ctree;
2232         GtkCMCTreeNode *row;
2233         gint column;
2234         FolderView *folderview;
2235 } PostponedSelectData;
2236
2237 static gboolean postpone_select(void *data)
2238 {
2239         PostponedSelectData *psdata = (PostponedSelectData *)data;
2240         debug_print("trying again\n");
2241
2242         psdata->folderview->postpone_select_id = 0;
2243         psdata->folderview->open_folder = TRUE;
2244         main_window_cursor_normal(psdata->folderview->mainwin);
2245         STATUSBAR_POP(psdata->folderview->mainwin);
2246         folderview_selected(psdata->ctree, psdata->row,
2247                             psdata->column, psdata->folderview);
2248         g_free(psdata);
2249         return FALSE;
2250 }
2251
2252 void folderview_close_opened(FolderView *folderview, gboolean dirty)
2253 {
2254         if (folderview->opened) {
2255                 if (dirty) {
2256                         folderview->opened = NULL;
2257                         return;
2258                 }
2259
2260                 FolderItem *olditem =
2261                         gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2262                                                       folderview->opened);
2263                 if (olditem) {
2264                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2265                                 olditem->path ? olditem->path:olditem->name);
2266                         /* will be null if we just moved the previously opened folder */
2267                         STATUSBAR_PUSH(folderview->mainwin, buf);
2268                         main_window_cursor_wait(folderview->mainwin);
2269                         g_free(buf);
2270                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2271                         summary_show(folderview->summaryview, NULL);
2272                         folder_item_close(olditem);
2273                         main_window_cursor_normal(folderview->mainwin);
2274                         STATUSBAR_POP(folderview->mainwin);
2275                         if (olditem->folder->klass->item_closed)
2276                                 olditem->folder->klass->item_closed(olditem);
2277
2278                 }
2279         }
2280
2281         if (folderview->opened &&
2282             !GTK_CMCTREE_ROW(folderview->opened)->children)
2283                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2284
2285         folderview->opened = NULL;
2286 }
2287 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2288                                 gint column, FolderView *folderview)
2289 {
2290         static gboolean can_select = TRUE;      /* exclusive lock */
2291         gboolean opened;
2292         FolderItem *item;
2293         gchar *buf;
2294         int res = 0;
2295         GtkCMCTreeNode *old_opened = folderview->opened;
2296         START_TIMING("");
2297         folderview->selected = row;
2298
2299         debug_print("newly selected %p, opened %p\n", folderview->selected,
2300                         folderview->opened);
2301         if (folderview->opened == row) {
2302                 folderview->open_folder = FALSE;
2303                 END_TIMING();
2304                 return;
2305         }
2306
2307         item = gtk_cmctree_node_get_row_data(ctree, row);
2308         if (!item) {
2309                 END_TIMING();
2310                 folderview->open_folder = FALSE;
2311                 return;
2312         }
2313
2314         if (!can_select || summary_is_locked(folderview->summaryview)) {
2315                 if (folderview->opened) {
2316                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2317                         gtk_cmctree_select(ctree, folderview->opened);
2318                 }
2319                 folderview->open_folder = FALSE;
2320                 END_TIMING();
2321                 return;
2322         }
2323
2324         if (!folderview->open_folder) {
2325                 END_TIMING();
2326                 return;
2327         }
2328
2329         can_select = FALSE;
2330
2331         /* Save cache for old folder */
2332         /* We don't want to lose all caches if app crashes */
2333         /* Resets folderview->opened to NULL */
2334         folderview_close_opened(folderview, FALSE);
2335
2336         /* CLAWS: set compose button type: news folder items
2337          * always have a news folder as parent */
2338         if (item->folder)
2339                 toolbar_set_compose_button
2340                         (folderview->mainwin->toolbar,
2341                          FOLDER_TYPE(item->folder) == F_NEWS ?
2342                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2343
2344         if (item->path)
2345                 debug_print("Folder %s is selected\n", item->path);
2346
2347         if (!GTK_CMCTREE_ROW(row)->children)
2348                 gtk_cmctree_expand(ctree, row);
2349
2350         /* ungrab the mouse event */
2351         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2352                 gtk_grab_remove(GTK_WIDGET(ctree));
2353                 if (gdk_pointer_is_grabbed())
2354                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2355         }
2356
2357         /* Open Folder */
2358         /* TODO: wwp: avoid displaying (null) in the status bar */
2359         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2360                                         item->path : "(null)");
2361         debug_print("%s\n", buf);
2362         STATUSBAR_PUSH(folderview->mainwin, buf);
2363         g_free(buf);
2364
2365         main_window_cursor_wait(folderview->mainwin);
2366
2367         if (folderview->scanning_folder == item->folder) {
2368                 res = -2;
2369         } else {
2370                 res = folder_item_open(item);
2371         }
2372
2373         if (res == -1 && item->no_select == FALSE) {
2374                 main_window_cursor_normal(folderview->mainwin);
2375                 STATUSBAR_POP(folderview->mainwin);
2376
2377                 alertpanel_error(_("Folder could not be opened."));
2378
2379                 folderview->open_folder = FALSE;
2380                 can_select = TRUE;
2381                 END_TIMING();
2382                 return;
2383         } else if (res == -2 && item->no_select == FALSE) {
2384                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2385                 data->ctree = ctree;
2386                 data->row = row;
2387                 data->column = column;
2388                 data->folderview = folderview;
2389                 debug_print("postponing open of %s till end of scan\n",
2390                         item->path ? item->path:item->name);
2391                 folderview->open_folder = FALSE;
2392                 can_select = TRUE;
2393                 if (folderview->postpone_select_id != 0)
2394                         g_source_remove(folderview->postpone_select_id);
2395                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2396                 END_TIMING();
2397                 return;
2398         }
2399
2400         main_window_cursor_normal(folderview->mainwin);
2401
2402         /* Show messages */
2403         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2404         opened = summary_show(folderview->summaryview, item);
2405
2406         folder_clean_cache_memory(item);
2407
2408         if (!opened) {
2409                 gtkut_ctree_set_focus_row(ctree, old_opened);
2410                 gtk_cmctree_select(ctree, old_opened);
2411                 folderview->opened = old_opened;
2412         } else {
2413                 folderview->opened = row;
2414                 if (gtk_cmctree_node_is_visible(ctree, row)
2415                     != GTK_VISIBILITY_FULL)
2416                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2417         }
2418
2419         STATUSBAR_POP(folderview->mainwin);
2420
2421         folderview->open_folder = FALSE;
2422         can_select = TRUE;
2423         END_TIMING();
2424 }
2425
2426 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2427                                      FolderView *folderview)
2428 {
2429         FolderItem *item;
2430
2431         item = gtk_cmctree_node_get_row_data(ctree, node);
2432         cm_return_if_fail(item != NULL);
2433         item->collapsed = FALSE;
2434         folderview_update_node(folderview, node);
2435 }
2436
2437 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2438                                       FolderView *folderview)
2439 {
2440         FolderItem *item;
2441
2442         item = gtk_cmctree_node_get_row_data(ctree, node);
2443         cm_return_if_fail(item != NULL);
2444         item->collapsed = TRUE;
2445         folderview_update_node(folderview, node);
2446 }
2447
2448 static void folderview_popup_close(GtkMenuShell *menu_shell,
2449                                    FolderView *folderview)
2450 {
2451         if (!folderview->opened) return;
2452
2453         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2454 }
2455
2456 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2457                                    FolderView *folderview)
2458 {
2459         FolderColumnType type = folderview->col_state[column].type;
2460
2461         prefs_common.folder_col_size[type] = width;
2462 }
2463
2464 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2465 {
2466         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2467         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2468         GtkCMCTreeNode *node, *parent_node;
2469         gint *col_pos = folderview->col_pos;
2470         FolderItemUpdateData hookdata;
2471
2472         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2473         if (parent_node == NULL)
2474                 return;
2475
2476         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2477
2478         text[col_pos[F_COL_FOLDER]] = item->name;
2479         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2480                                      FOLDER_SPACING,
2481                                      folderxpm,
2482                                      folderopenxpm,
2483                                      FALSE, FALSE);
2484         gtk_cmctree_expand(ctree, parent_node);
2485         gtk_cmctree_node_set_row_data(ctree, node, item);
2486         if (normal_style)
2487                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2488         folderview_sort_folders(folderview, parent_node, item->folder);
2489
2490         hookdata.item = item;
2491         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2492         hookdata.msg = NULL;
2493         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2494
2495         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2496 }
2497
2498 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2499 {
2500         FolderView *folderview = (FolderView *)data;
2501         FolderItem *item;
2502         GSList *mlist = NULL;
2503         GSList *cur = NULL;
2504         FolderItem *special_trash = NULL;
2505         PrefsAccount *ac;
2506
2507         if (!folderview->selected) return;
2508         item = folderview_get_selected_item(folderview);
2509         cm_return_if_fail(item != NULL);
2510         cm_return_if_fail(item->folder != NULL);
2511
2512         if (NULL != (ac = account_find_from_item(item)))
2513                 special_trash = account_get_special_folder(ac, F_TRASH);
2514
2515         if (item != item->folder->trash && item != special_trash
2516         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2517
2518         if (prefs_common.ask_on_clean) {
2519                 if (alertpanel(_("Empty trash"),
2520                                _("Delete all messages in trash?"),
2521                                GTK_STOCK_CANCEL, _("_Empty trash"), NULL,
2522                                                  ALERTFOCUS_SECOND) != G_ALERTALTERNATE)
2523                         return;
2524         }
2525
2526         mlist = folder_item_get_msg_list(item);
2527
2528         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2529                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2530                 if (MSG_IS_LOCKED(msginfo->flags))
2531                         continue;
2532                 /* is it partially received? (partial_recv isn't cached) */
2533                 if (msginfo->total_size != 0 &&
2534                     msginfo->size != (off_t)msginfo->total_size)
2535                         partial_mark_for_delete(msginfo);
2536         }
2537         procmsg_msg_list_free(mlist);
2538
2539         folder_item_remove_all_msg(item);
2540 }
2541
2542 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2543 {
2544         FolderView *folderview = (FolderView *)data;
2545         FolderItem *item;
2546         FolderItem *special_queue = NULL;
2547         PrefsAccount *ac;
2548         gchar *errstr = NULL;
2549
2550         if (!folderview->selected) return;
2551         item = folderview_get_selected_item(folderview);
2552         cm_return_if_fail(item != NULL);
2553         cm_return_if_fail(item->folder != NULL);
2554
2555         if (NULL != (ac = account_find_from_item(item)))
2556                 special_queue = account_get_special_folder(ac, F_QUEUE);
2557
2558         if (item != item->folder->queue && item != special_queue
2559         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2560
2561         if (procmsg_queue_is_empty(item))
2562                 return;
2563
2564         if (prefs_common.work_offline)
2565                 if (alertpanel(_("Offline warning"),
2566                                _("You're working offline. Override?"),
2567                                GTK_STOCK_NO, GTK_STOCK_YES,
2568                                NULL, ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
2569                 return;
2570
2571         /* ask for confirmation before sending queued messages only
2572            in online mode and if there is at least one message queued
2573            in any of the folder queue
2574         */
2575         if (prefs_common.confirm_send_queued_messages) {
2576                 if (!prefs_common.work_offline) {
2577                         if (alertpanel(_("Send queued messages"),
2578                                    _("Send all queued messages?"),
2579                                    GTK_STOCK_CANCEL, _("_Send"),
2580                                    NULL, ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
2581                                 return;
2582                 }
2583         }
2584
2585         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2586                 if (!errstr)
2587                         alertpanel_error_log(_("Some errors occurred while "
2588                                            "sending queued messages."));
2589                 else {
2590                         alertpanel_error_log(_("Some errors occurred "
2591                                         "while sending queued messages:\n%s"), errstr);
2592                         g_free(errstr);
2593                 }
2594         }
2595 }
2596
2597 static void folderview_search_cb(GtkAction *action, gpointer data)
2598 {
2599         FolderView *folderview = (FolderView *)data;
2600         summary_search(folderview->summaryview);
2601 }
2602
2603 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2604 {
2605         FolderView *folderview = (FolderView *)data;
2606         FolderItem *item;
2607
2608         if (!folderview->selected) return;
2609
2610         item = folderview_get_selected_item(folderview);
2611         cm_return_if_fail(item != NULL);
2612         cm_return_if_fail(item->folder != NULL);
2613
2614         item->processing_pending = TRUE;
2615         folder_item_apply_processing(item);
2616         item->processing_pending = FALSE;
2617 }
2618
2619 static void folderview_property_cb(GtkAction *action, gpointer data)
2620 {
2621         FolderView *folderview = (FolderView *)data;
2622         FolderItem *item;
2623
2624         if (!folderview->selected) return;
2625
2626         item = folderview_get_selected_item(folderview);
2627         cm_return_if_fail(item != NULL);
2628         cm_return_if_fail(item->folder != NULL);
2629
2630         prefs_folder_item_open(item);
2631 }
2632
2633 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2634 {
2635         GSList *list = NULL;
2636         GSList *done = NULL;
2637         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2638
2639         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2640                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2641                 &&  list->data != node) {
2642                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2643                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2644                 }
2645         }
2646         for (list = done; list != NULL; list = g_slist_next(list)) {
2647                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2648                                                                  list->data);
2649         }
2650         g_slist_free(done);
2651 }
2652
2653 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2654                             FolderItem *to_folder, gboolean copy)
2655 {
2656         FolderItem *new_folder = NULL;
2657         gchar *buf;
2658         gint status;
2659
2660         cm_return_if_fail(folderview != NULL);
2661         cm_return_if_fail(from_folder != NULL);
2662         cm_return_if_fail(to_folder != NULL);
2663
2664         if (prefs_common.warn_dnd) {
2665                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2666                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2667                                         from_folder->name, to_folder->name);
2668                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2669                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
2670                                                                  TRUE, NULL, ALERT_QUESTION);
2671                 g_free(buf);
2672
2673                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2674                         return;
2675                 else if (status & G_ALERTDISABLE)
2676                         prefs_common.warn_dnd = FALSE;
2677         }
2678
2679         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2680                                 from_folder->name, to_folder->name);
2681         STATUSBAR_PUSH(folderview->mainwin, buf);
2682         g_free(buf);
2683         summary_clear_all(folderview->summaryview);
2684         folderview->opened = NULL;
2685         folderview->selected = NULL;
2686         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2687         inc_lock();
2688         main_window_cursor_wait(folderview->mainwin);
2689
2690         statusbar_verbosity_set(FALSE);
2691         folder_item_update_freeze();
2692         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2693         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2694                 statusbar_verbosity_set(FALSE);
2695                 main_window_cursor_normal(folderview->mainwin);
2696                 STATUSBAR_POP(folderview->mainwin);
2697                 folder_item_update_thaw();
2698                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2699
2700                 folderview_sort_folders(folderview,
2701                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2702                                 NULL, to_folder), new_folder->folder);
2703                 folderview_select(folderview, new_folder);
2704                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2705         } else {
2706                 statusbar_verbosity_set(FALSE);
2707                 main_window_cursor_normal(folderview->mainwin);
2708                 STATUSBAR_POP(folderview->mainwin);
2709                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2710                 folder_item_update_thaw();
2711                 switch (status) {
2712                 case F_MOVE_FAILED_DEST_IS_PARENT:
2713                         alertpanel_error(_("Source and destination are the same."));
2714                         break;
2715                 case F_MOVE_FAILED_DEST_IS_CHILD:
2716                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2717                                                 _("Can't move a folder to one of its children."));
2718                         break;
2719                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2720                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2721                         break;
2722                 default:
2723                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2724                         break;
2725                 }
2726         }
2727         inc_unlock();
2728         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2729 }
2730
2731 static gint folderview_clist_compare(GtkCMCList *clist,
2732                                      gconstpointer ptr1, gconstpointer ptr2)
2733 {
2734         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2735         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2736
2737         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2738         {
2739                 return item1->order - item2->order;
2740         }
2741
2742         // if only one folder has an order it comes first
2743         if (item1->order > 0)
2744         {
2745                 return -1;
2746         }
2747         if (item2->order > 0)
2748         {
2749                 return 1;
2750         }
2751
2752         if (!item1->name)
2753                 return (item2->name != NULL);
2754         if (!item2->name)
2755                 return -1;
2756
2757         return g_utf8_collate(item1->name, item2->name);
2758 }
2759
2760 static void folderview_processing_cb(GtkAction *action, gpointer data)
2761 {
2762         FolderView *folderview = (FolderView *)data;
2763         FolderItem *item;
2764         gchar *id, *title;
2765
2766         if (!folderview->selected) return;
2767
2768         item = folderview_get_selected_item(folderview);
2769         cm_return_if_fail(item != NULL);
2770         cm_return_if_fail(item->folder != NULL);
2771
2772         id = folder_item_get_identifier(item);
2773         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2774         g_free (id);
2775
2776         prefs_filtering_open(&item->prefs->processing, title,
2777                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2778         g_free (title);
2779 }
2780
2781 void folderview_set_target_folder_color(gint color_op)
2782 {
2783         gint firstone = 1;
2784         GList *list;
2785         FolderView *folderview;
2786
2787         for (list = folderview_list; list != NULL; list = list->next) {
2788                 folderview = (FolderView *)list->data;
2789                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2790                 if (firstone) {
2791                         bold_tgtfold_style->text[GTK_STATE_NORMAL] =
2792                                 folderview->color_op;
2793                         firstone = 0;
2794                 }
2795         }
2796 }
2797
2798 static gchar *last_smallfont = NULL;
2799 static gchar *last_normalfont = NULL;
2800 static gchar *last_boldfont = NULL;
2801 static gboolean last_derive = 0;
2802
2803 void folderview_reinit_fonts(FolderView *folderview)
2804 {
2805         /* force reinit */
2806         g_free(last_smallfont);
2807         last_smallfont = NULL;
2808         g_free(last_normalfont);
2809         last_normalfont = NULL;
2810         g_free(last_boldfont);
2811         last_boldfont = NULL;
2812 }
2813
2814 void folderview_reflect_prefs(void)
2815 {
2816         gboolean update_font = FALSE;
2817         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2818         FolderItem *item = folderview_get_selected_item(folderview);
2819         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2820                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2821         gint height = gtk_adjustment_get_value(pos);
2822
2823         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2824                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2825                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2826                         last_derive != prefs_common.derive_from_normal_font)
2827                 update_font = TRUE;
2828
2829         if (!update_font)
2830                 return;
2831
2832         g_free(last_smallfont);
2833         last_smallfont = g_strdup(SMALL_FONT);
2834         g_free(last_normalfont);
2835         last_normalfont = g_strdup(NORMAL_FONT);
2836         g_free(last_boldfont);
2837         last_boldfont = g_strdup(BOLD_FONT);
2838         last_derive = prefs_common.derive_from_normal_font;
2839
2840 #define STYLE_FREE(s)                   \
2841         if (s != NULL) {                \
2842                 g_object_unref(s);      \
2843                 s = NULL;               \
2844         }
2845
2846         STYLE_FREE(normal_style);
2847         STYLE_FREE(normal_color_style);
2848         STYLE_FREE(bold_style);
2849         STYLE_FREE(bold_color_style);
2850         STYLE_FREE(bold_tgtfold_style);
2851
2852 #undef STYLE_FREE
2853
2854         folderview_init(folderview);
2855         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2856         folderview_column_set_titles(folderview);
2857         folderview_set_all();
2858
2859         g_signal_handlers_block_by_func
2860                 (G_OBJECT(folderview->ctree),
2861                  G_CALLBACK(folderview_selected), folderview);
2862
2863         if (item) {
2864                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2865                         GTK_CMCTREE(folderview->ctree), NULL, item);
2866
2867                 folderview_select(folderview, item);
2868                 folderview->open_folder = FALSE;
2869                 folderview->selected = node;
2870         }
2871
2872         g_signal_handlers_unblock_by_func
2873                 (G_OBJECT(folderview->ctree),
2874                  G_CALLBACK(folderview_selected), folderview);
2875
2876         pos = gtk_scrolled_window_get_vadjustment(
2877                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2878         gtk_adjustment_set_value(pos, height);
2879         gtk_adjustment_changed(pos);
2880         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2881 }
2882
2883 static void drag_state_stop(FolderView *folderview)
2884 {
2885         if (folderview->drag_timer_id)
2886                 g_source_remove(folderview->drag_timer_id);
2887         folderview->drag_timer_id = 0;
2888         folderview->drag_node = NULL;
2889 }
2890
2891 static gboolean folderview_defer_expand(FolderView *folderview)
2892 {
2893         if (folderview->drag_node) {
2894                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2895                 if (folderview->drag_item->collapsed) {
2896                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2897                         folderview->nodes_to_recollapse = g_slist_append
2898                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2899                 }
2900         }
2901         folderview->drag_item  = NULL;
2902         folderview->drag_timer_id = 0;
2903         return FALSE;
2904 }
2905
2906 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2907 {
2908         /* the idea is that we call drag_state_start() whenever we want expansion to
2909          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2910          * we need to call drag_state_stop() */
2911         drag_state_stop(folderview);
2912         /* request expansion */
2913         if (0 != (folderview->drag_timer_id = g_timeout_add
2914                         (prefs_common.hover_timeout,
2915                          (GSourceFunc)folderview_defer_expand,
2916                          folderview))) {
2917                 folderview->drag_node = node;
2918                 folderview->drag_item = item;
2919         }
2920 }
2921 #ifndef GENERIC_UMPC
2922 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2923                                   FolderView       *folderview)
2924 {
2925         GdkDragContext *context;
2926
2927         cm_return_if_fail(folderview != NULL);
2928         if (folderview->selected == NULL) return;
2929         if (folderview->nodes_to_recollapse)
2930                 g_slist_free(folderview->nodes_to_recollapse);
2931         folderview->nodes_to_recollapse = NULL;
2932         context = gtk_drag_begin(widget, folderview->target_list,
2933                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2934         gtk_drag_set_icon_default(context);
2935 }
2936 #endif
2937 static void folderview_drag_data_get(GtkWidget        *widget,
2938                                      GdkDragContext   *drag_context,
2939                                      GtkSelectionData *selection_data,
2940                                      guint             info,
2941                                      guint             time,
2942                                      FolderView       *folderview)
2943 {
2944         FolderItem *item;
2945         GList *sel;
2946         gchar *source = NULL;
2947         if (info == TARGET_DUMMY) {
2948                 sel = GTK_CMCLIST(folderview->ctree)->selection;
2949                 if (!sel)
2950                         return;
2951
2952                 item = gtk_cmctree_node_get_row_data
2953                         (GTK_CMCTREE(folderview->ctree),
2954                          GTK_CMCTREE_NODE(sel->data));
2955                 if (item) {
2956                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2957                         gtk_selection_data_set(selection_data,
2958                                                gtk_selection_data_get_target(selection_data), 8,
2959                                                source, strlen(source));
2960                 }
2961         } else {
2962                 g_warning("unknown info %d", info);
2963         }
2964 }
2965
2966 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2967 {
2968         FolderUpdateData *hookdata;
2969         FolderView *folderview;
2970         GtkWidget *ctree;
2971
2972         hookdata = source;
2973         folderview = (FolderView *) userdata;
2974         cm_return_val_if_fail(hookdata != NULL, FALSE);
2975         cm_return_val_if_fail(folderview != NULL, FALSE);
2976
2977         ctree = folderview->ctree;
2978         cm_return_val_if_fail(ctree != NULL, FALSE);
2979
2980         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2981                 folderview_create_folder_node(folderview, hookdata->item);
2982         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2983                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2984                                 NULL, folder_item_parent(hookdata->item));
2985                 folderview_sort_folders(folderview, node, hookdata->folder);
2986         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2987                 GtkCMCTreeNode *node;
2988
2989                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2990                 if (node != NULL) {
2991                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2992                         if (folderview->selected == node)
2993                                 folderview->selected = NULL;
2994                         if (folderview->opened == node)
2995                                 folderview->opened = NULL;
2996                 }
2997         } else if (hookdata->update_flags & FOLDER_MOVE_FOLDERITEM) {
2998                 /* do nothing, it's done by the ADD and REMOVE) */
2999         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
3000                 folderview_set(folderview);
3001
3002         return FALSE;
3003 }
3004
3005 static gboolean folderview_dnd_scroll_cb(gpointer data)
3006 {
3007         FolderView *folderview = (FolderView *)data;
3008         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
3009                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
3010         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
3011         gint max = (int)gtk_adjustment_get_upper(pos) -
3012                (int)gtk_adjustment_get_page_size(pos);
3013
3014         if (folderview->scroll_value == 0) {
3015                 folderview->scroll_timeout_id = 0;
3016                 return FALSE;
3017         }
3018
3019         if (folderview->scroll_value > 0 && new_val > max) {
3020                 new_val = max;
3021         } else if (folderview->scroll_value < 0 && new_val < 0) {
3022                 new_val = 0;
3023         }
3024         gtk_adjustment_set_value(pos, new_val);
3025
3026         return TRUE;
3027 }
3028
3029 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
3030                                           GdkDragContext *context,
3031                                           gint            x,
3032                                           gint            y,
3033                                           guint           time,
3034                                           FolderView     *folderview)
3035 {
3036         gint row, column;
3037         FolderItem *item = NULL, *src_item = NULL;
3038         GtkCMCTreeNode *node = NULL;
3039         gboolean acceptable = FALSE;
3040         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
3041                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
3042         int height = (int)gtk_adjustment_get_page_size(pos);
3043         int total_height = (int)gtk_adjustment_get_upper(pos);
3044         int vpos = (int)gtk_adjustment_get_value(pos);
3045         int offset = prefs_common.show_col_headers ? 24:0;
3046         int dist;
3047
3048         if (gtk_cmclist_get_selection_info
3049                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
3050                 GtkWidget *srcwidget;
3051
3052                 if (y > height - (48 - offset) && height + vpos < total_height) {
3053                         dist = -(height - (48 - offset) - y);
3054                         folderview->scroll_value = 1.41f * (1+(dist / 6));
3055                 } else if (y < 72 - (24 - offset) && y >= 0) {
3056                         dist = 72 - (24 - offset) - y;
3057                         folderview->scroll_value = -1.41f * (1+(dist / 6));
3058                 } else {
3059                         folderview->scroll_value = 0;
3060                 }
3061                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
3062                         folderview->scroll_timeout_id =
3063                                 g_timeout_add(30, folderview_dnd_scroll_cb,
3064                                               folderview);
3065                 }
3066
3067                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3068                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3069                 src_item = folderview->summaryview->folder_item;
3070
3071                 srcwidget = gtk_drag_get_source_widget(context);
3072                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
3073                         /* comes from summaryview */
3074                         /* we are copying messages, so only accept folder items that are not
3075                            the source item, are no root items and can copy messages */
3076                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
3077                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3078                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3079                                 acceptable = TRUE;
3080                 } else if (srcwidget == folderview->ctree) {
3081                         /* comes from folderview */
3082                         /* we are moving folder items, only accept folders that are not
3083                            the source items and can copy messages and create folder items */
3084                         if (item && item->folder && src_item && src_item != item &&
3085                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3086                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
3087                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
3088                              || item->folder == src_item->folder))
3089                                 acceptable = TRUE;
3090                 } else {
3091                         /* comes from another app */
3092                         /* we are adding messages, so only accept folder items that are
3093                            no root items and can copy messages */
3094                         if (item && item->folder && folder_item_parent(item) != NULL
3095                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
3096                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3097                                 acceptable = TRUE;
3098                 }
3099         }
3100
3101         if (acceptable || (src_item && src_item == item))
3102                 drag_state_start(folderview, node, item);
3103
3104         if (acceptable) {
3105                 g_signal_handlers_block_by_func
3106                         (G_OBJECT(widget),
3107                          G_CALLBACK(folderview_selected), folderview);
3108                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
3109                 g_signal_handlers_unblock_by_func
3110                         (G_OBJECT(widget),
3111                          G_CALLBACK(folderview_selected), folderview);
3112                 gdk_drag_status(context,
3113                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
3114                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
3115         } else {
3116                 if (folderview->opened)
3117                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3118                 gdk_drag_status(context, 0, time);
3119         }
3120
3121         return acceptable;
3122 }
3123
3124 static void folderview_drag_leave_cb(GtkWidget      *widget,
3125                                      GdkDragContext *context,
3126                                      guint           time,
3127                                      FolderView     *folderview)
3128 {
3129         drag_state_stop(folderview);
3130         folderview->scroll_value = 0;
3131         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3132 }
3133
3134 static void free_info (gpointer stuff, gpointer data)
3135 {
3136         g_free(stuff);
3137 }
3138
3139 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
3140                            guint time, FolderItem *item)
3141 {
3142         GList *list, *tmp;
3143         GSList *msglist = NULL;
3144         list = uri_list_extract_filenames(data);
3145         if (!(item && item->folder && folder_item_parent(item) != NULL
3146                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
3147         {
3148                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3149                 debug_print("item doesn't fit\n");
3150                 return;
3151         }
3152         if (!list) {
3153                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3154                 debug_print("list is empty\n");
3155                 return;
3156         }
3157         for (tmp = list; tmp != NULL; tmp = tmp->next) {
3158                 MsgFileInfo *info = NULL;
3159
3160                 if (file_is_email((gchar *)tmp->data)) {
3161                         info = g_new0(MsgFileInfo, 1);
3162                         info->msginfo = NULL;
3163                         info->file = (gchar *)tmp->data;
3164                         msglist = g_slist_prepend(msglist, info);
3165                         debug_print("file is a mail\n");
3166                 } else {
3167                         debug_print("file isn't a mail\n");
3168                 }
3169         }
3170         if (msglist) {
3171                 msglist = g_slist_reverse(msglist);
3172                 folder_item_add_msgs(item, msglist, FALSE);
3173                 g_slist_foreach(msglist, free_info, NULL);
3174                 g_slist_free(msglist);
3175                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3176         } else {
3177                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3178         }
3179         list_free_strings_full(list);
3180 }
3181
3182 static void folderview_drag_received_cb(GtkWidget        *widget,
3183                                         GdkDragContext   *drag_context,
3184                                         gint              x,
3185                                         gint              y,
3186                                         GtkSelectionData *data,
3187                                         guint             info,
3188                                         guint             time,
3189                                         FolderView       *folderview)
3190 {
3191         gint row, column;
3192         FolderItem *item = NULL, *src_item;
3193         GtkCMCTreeNode *node;
3194         int offset = prefs_common.show_col_headers ? 24:0;
3195
3196         folderview->scroll_value = 0;
3197
3198         if (info == TARGET_DUMMY) {
3199                 drag_state_stop(folderview);
3200                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
3201                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
3202                         /* comes from summaryview */
3203                         if (gtk_cmclist_get_selection_info
3204                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3205                                 return;
3206
3207                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3208                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3209                         src_item = folderview->summaryview->folder_item;
3210
3211                         if (item->no_select) {
3212                                 alertpanel_error(_("The destination folder can only be used to "
3213                                                    "store subfolders."));
3214                                 return;
3215                         }
3216                         /* re-check (due to acceptable possibly set for folder moves */
3217                         if (!(item && item->folder && item->path && !item->no_select &&
3218                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3219                                 return;
3220                         }
3221
3222                         switch (gdk_drag_context_get_selected_action(drag_context)) {
3223                         case GDK_ACTION_COPY:
3224                                 summary_copy_selected_to(folderview->summaryview, item);
3225                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3226                                 break;
3227                         case GDK_ACTION_MOVE:
3228                         case GDK_ACTION_DEFAULT:
3229                         default:
3230                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3231                                         summary_copy_selected_to(folderview->summaryview, item);
3232                                 else
3233                                         summary_move_selected_to(folderview->summaryview, item);
3234                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
3235                         }
3236                 } else {
3237                         /* comes from folderview */
3238                         char *source;
3239                         gboolean folder_is_normal = TRUE;
3240                         gboolean copy = (GDK_ACTION_COPY ==
3241                                 gdk_drag_context_get_selected_action(drag_context));
3242
3243                         source = (char *)gtk_selection_data_get_data(data) + 17;
3244                         if (gtk_cmclist_get_selection_info
3245                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3246                             || *source == 0) {
3247                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3248                                 return;
3249                         }
3250                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3251                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3252                         src_item = folder_find_item_from_identifier(source);
3253
3254                         folder_is_normal =
3255                                 src_item != NULL &&
3256                                 src_item->stype == F_NORMAL &&
3257                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3258                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3259                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3260                                 !folder_has_parent_of_type(src_item, F_TRASH);
3261                         if (!item || !src_item || !folder_is_normal) {
3262                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3263                                 return;
3264                         }
3265
3266                         folderview_move_folder(folderview, src_item, item, copy);
3267                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3268                 }
3269                 folderview->nodes_to_recollapse = NULL;
3270         } else if (info == TARGET_MAIL_URI_LIST) {
3271                 if (gtk_cmclist_get_selection_info
3272                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3273                         return;
3274
3275                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3276                 if (!node) {
3277                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3278                         debug_print("no node\n");
3279                         return;
3280                 }
3281                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3282                 if (!item) {
3283                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3284                         debug_print("no item\n");
3285                         return;
3286                 }
3287                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3288                         drag_context, time, item);
3289         }
3290 }
3291
3292 static void folderview_drag_end_cb(GtkWidget        *widget,
3293                                    GdkDragContext   *drag_context,
3294                                    FolderView       *folderview)
3295 {
3296         drag_state_stop(folderview);
3297         folderview->scroll_value = 0;
3298         g_slist_free(folderview->nodes_to_recollapse);
3299         folderview->nodes_to_recollapse = NULL;
3300 }
3301
3302 void folderview_register_popup(FolderViewPopup *fpopup)
3303 {
3304         GList *folderviews;
3305
3306         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3307                 FolderView *folderview = folderviews->data;
3308                 GtkActionGroup *factory;
3309
3310                 factory = create_action_group(folderview, fpopup);
3311                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3312         }
3313         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3314 }
3315
3316 void folderview_unregister_popup(FolderViewPopup *fpopup)
3317 {
3318         GList *folderviews;
3319
3320
3321         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3322                 FolderView *folderview = folderviews->data;
3323
3324                 g_hash_table_remove(folderview->popups, fpopup->klass);
3325         }
3326         g_hash_table_remove(folderview_popups, fpopup->klass);
3327 }
3328
3329 void folderview_remove_item(FolderView *folderview, FolderItem *item)
3330 {
3331         g_return_if_fail(folderview != NULL);
3332         g_return_if_fail(item != NULL);
3333
3334         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
3335         g_return_if_fail(ctree != NULL);
3336
3337         GtkCMCTreeNode *node =
3338                 gtk_cmctree_find_by_row_data(ctree, NULL, item);
3339         g_return_if_fail(node != NULL);
3340
3341         gtk_cmctree_remove_node(ctree, node);
3342 }
3343
3344 void folderview_freeze(FolderView *folderview)
3345 {
3346         if (folderview)
3347                 gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
3348 }
3349
3350 void folderview_thaw(FolderView *folderview)
3351 {
3352         if (folderview)
3353                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
3354 }
3355
3356 void folderview_grab_focus(FolderView *folderview)
3357 {
3358          if (folderview)
3359                  gtk_widget_grab_focus(folderview->ctree);
3360 }
3361
3362 static void folderview_header_set_displayed_columns_cb(GtkAction *gaction,
3363                 gpointer data)
3364 {
3365         prefs_folder_column_open();
3366 }
3367
3368 static gboolean folderview_header_button_pressed(GtkWidget *widget,
3369                 GdkEvent *_event,
3370                 gpointer user_data)
3371 {
3372         GdkEventButton *event = (GdkEventButton *)_event;
3373         FolderView *folderview = (FolderView *)user_data;
3374
3375         cm_return_val_if_fail(folderview != NULL, FALSE);
3376
3377         /* Only handle single button presses. */
3378         if (event->type == GDK_2BUTTON_PRESS ||
3379                         event->type == GDK_3BUTTON_PRESS)
3380                 return FALSE;
3381
3382         /* Handle right-click for context menu */
3383         if (event->button == 3) {
3384                 gtk_menu_popup(GTK_MENU(folderview->headerpopupmenu),
3385                                 NULL, NULL, NULL, NULL, 3, event->time);
3386                 return TRUE;
3387         }
3388
3389         return FALSE;
3390 }