src/folderview.c

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