src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtk.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "main.h"
  31 #include "mainwindow.h"
  32 #include "folderview.h"
  33 #include "summaryview.h"
  34 #include "summary_search.h"
  35 #include "inputdialog.h"
  36 #include "manage_window.h"
  37 #include "alertpanel.h"
  38 #include "menu.h"
  39 #include "stock_pixmap.h"
  40 #include "procmsg.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "prefs_filtering.h"
  46 #include "prefs_folder_item.h"
  47 #include "account.h"
  48 #include "folder.h"
  49 #include "foldersel.h"
  50 #include "inc.h"
  51 #include "statusbar.h"
  52 #include "hooks.h"
  53 #include "folderutils.h"
  54 #include "partial_download.h"
  55 #include "prefs_folder_column.h"
  56 #include "filtering.h"
  57 #include "quicksearch.h"
  58 #include "manual.h"
  59 #include "timing.h"
  60 #include "log.h"
  61
  62 #define COL_FOLDER_WIDTH        150
  63 #define COL_NUM_WIDTH           32
  64
  65 static GList *folderview_list = NULL;
  66
  67 static GtkStyle *normal_style;
  68 static GtkStyle *normal_color_style;
  69 static GtkStyle *bold_style;
  70 static GtkStyle *bold_color_style;
  71 static GtkStyle *bold_tgtfold_style;
  72
  73 static GdkPixbuf *inboxxpm;
  74 static GdkPixbuf *inboxhrmxpm;
  75 static GdkPixbuf *inboxopenxpm;
  76 static GdkPixbuf *inboxopenhrmxpm;
  77 static GdkPixbuf *outboxxpm;
  78 static GdkPixbuf *outboxhrmxpm;
  79 static GdkPixbuf *outboxopenxpm;
  80 static GdkPixbuf *outboxopenhrmxpm;
  81 static GdkPixbuf *folderxpm;
  82 static GdkPixbuf *folderhrmxpm;
  83 static GdkPixbuf *folderopenxpm;
  84 static GdkPixbuf *folderopenhrmxpm;
  85 static GdkPixbuf *trashopenxpm;
  86 static GdkPixbuf *trashopenhrmxpm;
  87 static GdkPixbuf *trashxpm;
  88 static GdkPixbuf *trashhrmxpm;
  89 static GdkPixbuf *queuexpm;
  90 static GdkPixbuf *queuehrmxpm;
  91 static GdkPixbuf *queueopenxpm;
  92 static GdkPixbuf *queueopenhrmxpm;
  93 static GdkPixbuf *draftsxpm;
  94 static GdkPixbuf *draftsopenxpm;
  95 static GdkPixbuf *noselectxpm;
  96
  97 static GdkPixbuf *m_inboxxpm;
  98 static GdkPixbuf *m_inboxhrmxpm;
  99 static GdkPixbuf *m_inboxopenxpm;
 100 static GdkPixbuf *m_inboxopenhrmxpm;
 101 static GdkPixbuf *m_outboxxpm;
 102 static GdkPixbuf *m_outboxhrmxpm;
 103 static GdkPixbuf *m_outboxopenxpm;
 104 static GdkPixbuf *m_outboxopenhrmxpm;
 105 static GdkPixbuf *m_folderxpm;
 106 static GdkPixbuf *m_folderhrmxpm;
 107 static GdkPixbuf *m_folderopenxpm;
 108 static GdkPixbuf *m_folderopenhrmxpm;
 109 static GdkPixbuf *m_trashopenxpm;
 110 static GdkPixbuf *m_trashopenhrmxpm;
 111 static GdkPixbuf *m_trashxpm;
 112 static GdkPixbuf *m_trashhrmxpm;
 113 static GdkPixbuf *m_queuexpm;
 114 static GdkPixbuf *m_queuehrmxpm;
 115 static GdkPixbuf *m_queueopenxpm;
 116 static GdkPixbuf *m_queueopenhrmxpm;
 117 static GdkPixbuf *m_draftsxpm;
 118 static GdkPixbuf *m_draftsopenxpm;
 119
 120 static GdkPixbuf *newxpm;
 121 static GdkPixbuf *unreadxpm;
 122 static GdkPixbuf *readxpm;
 123
 124 static void folderview_select_node       (FolderView    *folderview,
 125                                           GtkCMCTreeNode        *node);
 126 static void folderview_set_folders       (FolderView    *folderview);
 127 static void folderview_sort_folders      (FolderView    *folderview,
 128                                           GtkCMCTreeNode        *root,
 129                                           Folder        *folder);
 130 static void folderview_append_folder     (FolderView    *folderview,
 131                                           Folder        *folder);
 132 static void folderview_update_node       (FolderView    *folderview,
 133                                           GtkCMCTreeNode        *node);
 134
 135 static gint folderview_clist_compare    (GtkCMCList     *clist,
 136                                          gconstpointer   ptr1,
 137                                          gconstpointer   ptr2);
 138
 139 /* callback functions */
 140 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 141                                                  GdkEventButton *event,
 142                                                  FolderView     *folderview);
 143 static gboolean folderview_button_released      (GtkWidget      *ctree,
 144                                                  GdkEventButton *event,
 145                                                  FolderView     *folderview);
 146 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 147                                          GdkEventKey    *event,
 148                                          FolderView     *folderview);
 149 static void folderview_selected         (GtkCMCTree     *ctree,
 150                                          GtkCMCTreeNode *row,
 151                                          gint            column,
 152                                          FolderView     *folderview);
 153 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 154                                          GtkCMCTreeNode *node,
 155                                          FolderView     *folderview);
 156 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 157                                          GtkCMCTreeNode *node,
 158                                          FolderView     *folderview);
 159 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 160                                          FolderView     *folderview);
 161 static void folderview_col_resized      (GtkCMCList     *clist,
 162                                          gint            column,
 163                                          gint            width,
 164                                          FolderView     *folderview);
 165
 166 static void mark_all_read_cb            (GtkAction      *action,
 167                                          gpointer        data);
 168
 169 static void folderview_empty_trash_cb   (GtkAction      *action,
 170                                          gpointer        data);
 171
 172 static void folderview_send_queue_cb    (GtkAction      *action,
 173                                          gpointer        data);
 174
 175 static void folderview_search_cb        (GtkAction      *action,
 176                                          gpointer        data);
 177 static void folderview_run_processing_cb(GtkAction      *action,
 178                                          gpointer        data);
 179
 180 static void folderview_property_cb      (GtkAction      *action,
 181                                          gpointer        data);
 182
 183 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 184                                           GdkDragContext *context,
 185                                           gint            x,
 186                                           gint            y,
 187                                           guint           time,
 188                                           FolderView     *folderview);
 189 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 190                                           GdkDragContext   *context,
 191                                           guint             time,
 192                                           FolderView       *folderview);
 193 static void folderview_drag_received_cb  (GtkWidget        *widget,
 194                                           GdkDragContext   *drag_context,
 195                                           gint              x,
 196                                           gint              y,
 197                                           GtkSelectionData *data,
 198                                           guint             info,
 199                                           guint             time,
 200                                           FolderView       *folderview);
 201 #ifndef GENERIC_UMPC
 202 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 203                                           FolderView       *folderview);
 204 #endif
 205 static void folderview_drag_data_get     (GtkWidget        *widget,
 206                                           GdkDragContext   *drag_context,
 207                                           GtkSelectionData *selection_data,
 208                                           guint             info,
 209                                           guint             time,
 210                                           FolderView       *folderview);
 211 static void folderview_drag_end_cb       (GtkWidget        *widget,
 212                                           GdkDragContext   *drag_context,
 213                                           FolderView       *folderview);
 214
 215 static void folderview_create_folder_node       (FolderView       *folderview,
 216                                           FolderItem       *item);
 217 static gboolean folderview_update_folder         (gpointer          source,
 218                                           gpointer          userdata);
 219 static gboolean folderview_update_item_claws     (gpointer          source,
 220                                           gpointer          data);
 221 static void folderview_processing_cb(GtkAction *action, gpointer data);
 222 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 223                                 GdkEventButton *event);
 224
 225 GHashTable *folderview_popups;
 226
 227 static GtkActionEntry folderview_common_popup_entries[] =
 228 {
 229         {"FolderViewPopup",                     NULL, "FolderViewPopup" },
 230         {"FolderViewPopup/MarkAllRead",         NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 231         {"FolderViewPopup/---",                 NULL, "---" },
 232         {"FolderViewPopup/RunProcessing",       NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 233         {"FolderViewPopup/SearchFolder",        NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 234         {"FolderViewPopup/Properties",          NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 235         {"FolderViewPopup/Processing",          NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 236         {"FolderViewPopup/EmptyTrash",          NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 237         {"FolderViewPopup/SendQueue",           NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 238
 239 };
 240
 241 GtkTargetEntry folderview_drag_types[] =
 242 {
 243         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 244         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 245 };
 246
 247 void folderview_initialize(void)
 248 {
 249         FolderViewPopup *fpopup;
 250
 251         fpopup = g_new0(FolderViewPopup, 1);
 252
 253         fpopup->klass = "common";
 254         fpopup->path = "<CommonFolder>";
 255         fpopup->entries = folderview_common_popup_entries;
 256         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 257         fpopup->set_sensitivity = NULL;
 258
 259         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 260         g_hash_table_insert(folderview_popups, "common", fpopup);
 261 }
 262
 263 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 264 {
 265         FolderViewPopup *fpopup_common;
 266         GtkActionGroup *action_group;
 267
 268         action_group = cm_menu_create_action_group(
 269                                 fpopup->path,
 270                                 fpopup->entries, fpopup->n_entries,
 271                                 (gpointer)folderview);
 272
 273         if (fpopup->toggle_entries)
 274                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 275                                 fpopup->n_toggle_entries,
 276                                 (gpointer)folderview);
 277         if (fpopup->radio_entries)
 278                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 279                                 fpopup->n_radio_entries, fpopup->radio_default,
 280                                 G_CALLBACK(fpopup->radio_callback),
 281                                 (gpointer)folderview);
 282
 283         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 284         if (fpopup_common != fpopup) {
 285                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 286                                 fpopup_common->n_entries,
 287                                 (gpointer)folderview);
 288                 if (fpopup_common->toggle_entries)
 289                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 290                                         fpopup_common->n_toggle_entries,
 291                                         (gpointer)folderview);
 292                 if (fpopup_common->radio_entries)
 293                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 294                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 295                                         G_CALLBACK(fpopup_common->radio_callback),
 296                                         (gpointer)folderview);
 297         }
 298
 299         return action_group;
 300 }
 301
 302 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 303 {
 304         FolderView *folderview = data;
 305         FolderViewPopup *fpopup = value;
 306         GtkActionGroup *group;
 307
 308         group = create_action_group(folderview, fpopup);
 309         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 310 }
 311
 312 static void folderview_column_set_titles(FolderView *folderview)
 313 {
 314         GtkWidget *ctree = folderview->ctree;
 315         GtkWidget *label_folder;
 316         GtkWidget *label_new;
 317         GtkWidget *label_unread;
 318         GtkWidget *label_total;
 319         GtkWidget *hbox_folder;
 320         GtkWidget *hbox_new;
 321         GtkWidget *hbox_unread;
 322         GtkWidget *hbox_total;
 323         gint *col_pos = folderview->col_pos;
 324
 325         debug_print("setting titles...\n");
 326         gtk_widget_realize(folderview->ctree);
 327         gtk_widget_show_all(folderview->scrolledwin);
 328
 329         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 330          * instead text (text overflows making them unreadable and ugly) */
 331         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_NEW,
 332                          &newxpm);
 333         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_UNREAD,
 334                          &unreadxpm);
 335         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_READ,
 336                          &readxpm);
 337
 338         label_folder = gtk_label_new(_("Folder"));
 339         label_new = gtk_image_new_from_pixbuf(newxpm);
 340         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 341         label_total = gtk_image_new_from_pixbuf(readxpm);
 342
 343         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 344
 345         hbox_folder = gtk_hbox_new(FALSE, 4);
 346         hbox_new = gtk_hbox_new(FALSE, 4);
 347         hbox_unread = gtk_hbox_new(FALSE, 4);
 348         hbox_total = gtk_hbox_new(FALSE, 4);
 349
 350         /* left justified */
 351         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 352         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 353         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 354         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 355         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 356         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 357         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 358         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 359
 360         gtk_widget_show_all(hbox_folder);
 361         gtk_widget_show_all(hbox_new);
 362         gtk_widget_show_all(hbox_unread);
 363         gtk_widget_show_all(hbox_total);
 364
 365 #ifdef GENERIC_UMPC
 366         gtk_widget_set_size_request(hbox_new, -1, 20);
 367         gtk_widget_set_size_request(hbox_unread, -1, 20);
 368         gtk_widget_set_size_request(hbox_total, -1, 20);
 369 #endif
 370
 371         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 372         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 373         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 374         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 375
 376 #ifdef GENERIC_UMPC
 377         GTK_EVENTS_FLUSH();
 378 #endif
 379
 380         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 381         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 382         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 383 }
 384
 385 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 386 {
 387         FolderView *folderview = (FolderView *)data;
 388         GdkEventButton event;
 389         if (folderview_get_selected_item(folderview) == NULL)
 390                 return FALSE;
 391
 392         event.button = 3;
 393         event.time = gtk_get_current_event_time();
 394
 395         folderview_set_sens_and_popup_menu(folderview, -1,
 396                                 &event);
 397
 398         return TRUE;
 399 }
 400
 401
 402 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 403 {
 404         GtkWidget *ctree;
 405         gint *col_pos;
 406         FolderColumnState *col_state;
 407         FolderColumnType type;
 408         gchar *titles[N_FOLDER_COLS];
 409         gint i;
 410         GtkWidget *scrolledwin = folderview->scrolledwin;
 411
 412         debug_print("creating tree...\n");
 413         memset(titles, 0, sizeof(titles));
 414
 415         col_state = prefs_folder_column_get_config();
 416         memset(titles, 0, sizeof(titles));
 417
 418         col_pos = folderview->col_pos;
 419
 420         for (i = 0; i < N_FOLDER_COLS; i++) {
 421                 folderview->col_state[i] = col_state[i];
 422                 type = col_state[i].type;
 423                 col_pos[type] = i;
 424         }
 425
 426         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 427         titles[col_pos[F_COL_NEW]]    = _("New");
 428         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 429         /* TRANSLATORS: This in Number sign in American style */
 430         titles[col_pos[F_COL_TOTAL]]  = _("#");
 431
 432         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 433                                            titles);
 434
 435         if (prefs_common.show_col_headers == FALSE)
 436                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 437
 438
 439         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 440         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 441                                            GTK_JUSTIFY_RIGHT);
 442         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 443                                            col_pos[F_COL_UNREAD],
 444                                            GTK_JUSTIFY_RIGHT);
 445         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 446                                            col_pos[F_COL_TOTAL],
 447                                            GTK_JUSTIFY_RIGHT);
 448         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 449         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 450                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 451
 452         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 453         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 454
 455         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 456         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 457
 458         /* don't let title buttons take key focus */
 459         for (i = 0; i < N_FOLDER_COLS; i++) {
 460                 gtkut_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 461                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 462                                    prefs_common.folder_col_size[i]);
 463                 gtk_cmclist_set_column_visibility
 464                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 465         }
 466
 467         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 468                          G_CALLBACK(folderview_key_pressed),
 469                          folderview);
 470         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 471                          G_CALLBACK(folderview_button_pressed),
 472                          folderview);
 473         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 474                          G_CALLBACK(folderview_popup_menu), folderview);
 475         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 476                          G_CALLBACK(folderview_button_released),
 477                          folderview);
 478         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 479                          G_CALLBACK(folderview_selected), folderview);
 480 #ifndef GENERIC_UMPC
 481         /* drag-n-dropping folders on maemo is impractical as this
 482          * opens the folder almost everytime */
 483         g_signal_connect(G_OBJECT(ctree), "start_drag",
 484                          G_CALLBACK(folderview_start_drag), folderview);
 485 #endif
 486         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 487                          G_CALLBACK(folderview_drag_data_get),
 488                          folderview);
 489
 490         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 491                                G_CALLBACK(folderview_tree_expanded),
 492                                folderview);
 493         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 494                                G_CALLBACK(folderview_tree_collapsed),
 495                                folderview);
 496
 497         g_signal_connect(G_OBJECT(ctree), "resize_column",
 498                          G_CALLBACK(folderview_col_resized),
 499                          folderview);
 500
 501         /* drop callback */
 502         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 503                           folderview_drag_types, 2,
 504                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 505         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 506                          G_CALLBACK(folderview_drag_motion_cb),
 507                          folderview);
 508         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 509                          G_CALLBACK(folderview_drag_leave_cb),
 510                          folderview);
 511         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 512                          G_CALLBACK(folderview_drag_received_cb),
 513                          folderview);
 514         g_signal_connect(G_OBJECT(ctree), "drag_end",
 515                          G_CALLBACK(folderview_drag_end_cb),
 516                          folderview);
 517
 518         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 519
 520         return ctree;
 521 }
 522
 523 void folderview_set_column_order(FolderView *folderview)
 524 {
 525         GtkWidget *ctree = folderview->ctree;
 526         FolderItem *item = folderview_get_selected_item(folderview);
 527         FolderItem *sel_item = NULL, *op_item = NULL;
 528         GtkWidget *scrolledwin = folderview->scrolledwin;
 529
 530         if (folderview->drag_timer_id != 0) {
 531                 g_source_remove(folderview->drag_timer_id);
 532                 folderview->drag_timer_id = 0;
 533         }
 534         if (folderview->deferred_refresh_id != 0) {
 535                 g_source_remove(folderview->deferred_refresh_id);
 536                 folderview->deferred_refresh_id = 0;
 537         }
 538         if (folderview->scroll_timeout_id != 0) {
 539                 g_source_remove(folderview->scroll_timeout_id);
 540                 folderview->scroll_timeout_id = 0;
 541         }
 542         if (folderview->postpone_select_id != 0) {
 543                 g_source_remove(folderview->postpone_select_id);
 544                 folderview->postpone_select_id = 0;
 545         }
 546
 547         if (folderview->selected)
 548                 sel_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->selected);
 549         if (folderview->opened)
 550                 op_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->opened);
 551
 552         debug_print("recreating tree...\n");
 553         gtk_widget_destroy(folderview->ctree);
 554
 555
 556         folderview->ctree = ctree = folderview_ctree_create(folderview);
 557         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 558                                             GTK_CMCLIST(ctree)->hadjustment);
 559         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 560                                             GTK_CMCLIST(ctree)->vadjustment);
 561         gtk_widget_show(ctree);
 562
 563         if (sel_item)
 564                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 565         if (op_item)
 566                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 567
 568         folderview_set(folderview);
 569         folderview_column_set_titles(folderview);
 570
 571         folderview_select(folderview,item);
 572 }
 573
 574 FolderView *folderview_create(void)
 575 {
 576         FolderView *folderview;
 577         GtkWidget *scrolledwin;
 578         GtkWidget *ctree;
 579
 580         debug_print("Creating folder view...\n");
 581         folderview = g_new0(FolderView, 1);
 582
 583         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 584         gtk_scrolled_window_set_policy
 585                 (GTK_SCROLLED_WINDOW(scrolledwin),
 586                  GTK_POLICY_AUTOMATIC,
 587                  prefs_common.folderview_vscrollbar_policy);
 588         gtk_widget_set_size_request(scrolledwin,
 589                              prefs_common.folderview_width,
 590                              prefs_common.folderview_height);
 591
 592         folderview->scrolledwin  = scrolledwin;
 593         ctree = folderview_ctree_create(folderview);
 594
 595         /* create popup factories */
 596         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 597         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 598
 599         folderview->ctree        = ctree;
 600
 601         folderview->folder_update_callback_id =
 602                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 603         folderview->folder_item_update_callback_id =
 604                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 605
 606         gtk_widget_show_all(scrolledwin);
 607
 608         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 609         folderview_list = g_list_append(folderview_list, folderview);
 610
 611         folderview->drag_timer_id       = 0;
 612         folderview->deferred_refresh_id = 0;
 613         folderview->scroll_timeout_id   = 0;
 614         folderview->postpone_select_id  = 0;
 615
 616         return folderview;
 617 }
 618
 619 void folderview_init(FolderView *folderview)
 620 {
 621         GtkWidget *ctree = folderview->ctree;
 622         GdkColor gdk_color;
 623
 624         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 625         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 626         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 627         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 628         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 629         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 630         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 631         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 632         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 633         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 634         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 635         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 636         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 637         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 638         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 639         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 640         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 641         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 642         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 643         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 644         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 645         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 646         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm);
 647
 648         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 649         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 650         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 651         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 652         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 653         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 654         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 655         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 656         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 657         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 658         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 659         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 660         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 661         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 662         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 663         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 664         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 665         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 666         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 667         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 668         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 669         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 670
 671         if (!normal_style) {
 672                 PangoFontDescription *font_desc;
 673                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 674                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 675                 if (font_desc) {
 676                         if (normal_style->font_desc)
 677                                 pango_font_description_free
 678                                         (normal_style->font_desc);
 679                         normal_style->font_desc = font_desc;
 680                 }
 681                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 682                 normal_color_style = gtk_style_copy(normal_style);
 683                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 684
 685                 gtk_widget_set_style(ctree, normal_style);
 686         }
 687
 688         if (!bold_style) {
 689                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 690                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 691                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 692                         pango_font_description_set_weight
 693                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 694                 } else {
 695                         PangoFontDescription *font_desc;
 696                         font_desc = pango_font_description_from_string(BOLD_FONT);
 697                         if (font_desc) {
 698                                 if (bold_style->font_desc)
 699                                         pango_font_description_free
 700                                                 (bold_style->font_desc);
 701                                 bold_style->font_desc = font_desc;
 702                         }
 703                 }
 704                 bold_color_style = gtk_style_copy(bold_style);
 705                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 706
 707                 bold_tgtfold_style = gtk_style_copy(bold_style);
 708                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 709         }
 710 }
 711
 712 static gboolean folderview_defer_set(gpointer data)
 713 {
 714         FolderView *folderview = (FolderView *)data;
 715         MainWindow *mainwin = folderview->mainwin;
 716
 717         if (!mainwin)
 718                 return FALSE;
 719         if (mainwin->lock_count)
 720                 return TRUE;
 721
 722         debug_print("doing deferred folderview_set now\n");
 723         folderview_set(folderview);
 724
 725         folderview->deferred_refresh_id = 0;
 726         return FALSE;
 727 }
 728
 729 void folderview_set(FolderView *folderview)
 730 {
 731         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 732         MainWindow *mainwin = folderview->mainwin;
 733         FolderItem *sel_item = NULL, *op_item = NULL;
 734
 735         if (!mainwin)
 736                 return;
 737
 738         if (mainwin->lock_count) {
 739                 if (folderview->deferred_refresh_id == 0)
 740                         folderview->deferred_refresh_id =
 741                                 g_timeout_add(500, folderview_defer_set, folderview);
 742                 debug_print("deferred folderview_set\n");
 743                 return;
 744         }
 745
 746         inc_lock();
 747         debug_print("Setting folder info...\n");
 748         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 749
 750         main_window_cursor_wait(mainwin);
 751
 752         if (folderview->selected)
 753                 sel_item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 754         if (folderview->opened)
 755                 op_item = gtk_cmctree_node_get_row_data(ctree, folderview->opened);
 756
 757         folderview->selected = NULL;
 758         folderview->opened = NULL;
 759
 760         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 761         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 762
 763         folderview_set_folders(folderview);
 764
 765         if (sel_item)
 766                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 767         if (op_item)
 768                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 769
 770         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 771         main_window_cursor_normal(mainwin);
 772         STATUSBAR_POP(mainwin);
 773         inc_unlock();
 774 }
 775
 776 void folderview_set_all(void)
 777 {
 778         GList *list;
 779
 780         for (list = folderview_list; list != NULL; list = list->next)
 781                 folderview_set((FolderView *)list->data);
 782 }
 783
 784 void folderview_select(FolderView *folderview, FolderItem *item)
 785 {
 786         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 787         GtkCMCTreeNode *node;
 788         GtkCMCTreeNode *old_selected = folderview->selected;
 789
 790         if (!item) return;
 791
 792         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 793         if (node) folderview_select_node(folderview, node);
 794
 795         if (old_selected != node)
 796                 folder_update_op_count();
 797 }
 798
 799 static void mark_all_read_cb(GtkAction *action, gpointer data)
 800 {
 801         FolderView *folderview = (FolderView *)data;
 802         FolderItem *item;
 803         AlertValue val;
 804
 805         item = folderview_get_selected_item(folderview);
 806         if (item == NULL)
 807                 return;
 808
 809         if (folderview->summaryview->folder_item != item
 810         &&  prefs_common.ask_mark_all_read) {
 811                 val = alertpanel_full(_("Mark all as read"),
 812                         _("Do you really want to mark all mails in this "
 813                           "folder as read?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 814                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 815
 816                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 817                         return;
 818                 else if (val & G_ALERTDISABLE)
 819                         prefs_common.ask_mark_all_read = FALSE;
 820         }
 821
 822
 823         folder_item_update_freeze();
 824         if (folderview->summaryview->folder_item != item)
 825                 summary_lock(folderview->summaryview);
 826         else
 827                 summary_freeze(folderview->summaryview);
 828
 829         folderutils_mark_all_read(item);
 830
 831         if (folderview->summaryview->folder_item != item)
 832                 summary_unlock(folderview->summaryview);
 833         else
 834                 summary_thaw(folderview->summaryview);
 835         folder_item_update_thaw();
 836 }
 837
 838 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 839 {
 840         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 841
 842         cm_return_if_fail(node != NULL);
 843
 844         if (folderview->open_folder) {
 845                 return;
 846         }
 847
 848         folderview->open_folder = TRUE;
 849         gtkut_ctree_set_focus_row(ctree, node);
 850         gtk_cmctree_select(ctree, node);
 851         if ((folderview->summaryview->folder_item &&
 852             folderview->summaryview->folder_item->total_msgs > 0) ||
 853              prefs_common.layout_mode == SMALL_LAYOUT)
 854                 summary_grab_focus(folderview->summaryview);
 855         else
 856                 gtk_widget_grab_focus(folderview->ctree);
 857
 858         gtkut_ctree_expand_parent_all(ctree, node);
 859 }
 860
 861 void folderview_unselect(FolderView *folderview)
 862 {
 863         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 864                 gtk_cmctree_collapse
 865                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 866
 867         folderview->selected = folderview->opened = NULL;
 868 }
 869
 870 static GtkCMCTreeNode *folderview_find_next_marked(GtkCMCTree *ctree,
 871                                                  GtkCMCTreeNode *node)
 872 {
 873         FolderItem *item;
 874
 875         if (node)
 876                 node = gtkut_ctree_node_next(ctree, node);
 877         else
 878                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 879
 880         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 881                 item = gtk_cmctree_node_get_row_data(ctree, node);
 882                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 883                         return node;
 884         }
 885
 886         return NULL;
 887 }
 888
 889 void folderview_select_next_marked(FolderView *folderview)
 890 {
 891         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 892         GtkCMCTreeNode *node = NULL;
 893         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 894         gboolean last_open = prefs_common.always_show_msg;
 895
 896         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 897         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 898
 899         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 900             != NULL) {
 901                 folderview_select_node(folderview, node);
 902                 goto out;
 903         }
 904
 905         if (!folderview->opened ||
 906             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 907                 goto out;
 908         }
 909         /* search again from the first node */
 910         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 911                 folderview_select_node(folderview, node);
 912
 913 out:
 914         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 915         prefs_common.always_show_msg = last_open;
 916 }
 917
 918 static GtkCMCTreeNode *folderview_find_next_unread(GtkCMCTree *ctree,
 919                                                  GtkCMCTreeNode *node)
 920 {
 921         FolderItem *item;
 922
 923         if (node)
 924                 node = gtkut_ctree_node_next(ctree, node);
 925         else
 926                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 927
 928         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 929                 item = gtk_cmctree_node_get_row_data(ctree, node);
 930                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 931                         return node;
 932         }
 933
 934         return NULL;
 935 }
 936
 937 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 938 {
 939         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 940         GtkCMCTreeNode *node = NULL;
 941         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 942         gboolean last_open = prefs_common.always_show_msg;
 943
 944         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 945         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
 946
 947         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 948             != NULL) {
 949                 folderview_select_node(folderview, node);
 950                 goto out;
 951         }
 952
 953         if (!folderview->opened ||
 954             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 955                 goto out;
 956         }
 957         /* search again from the first node */
 958         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 959                 folderview_select_node(folderview, node);
 960
 961 out:
 962         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 963         prefs_common.always_show_msg = last_open;
 964 }
 965
 966 static GtkCMCTreeNode *folderview_find_next_new(GtkCMCTree *ctree,
 967                                                  GtkCMCTreeNode *node)
 968 {
 969         FolderItem *item;
 970
 971         if (node)
 972                 node = gtkut_ctree_node_next(ctree, node);
 973         else
 974                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 975
 976         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 977                 item = gtk_cmctree_node_get_row_data(ctree, node);
 978                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 979                         return node;
 980         }
 981
 982         return NULL;
 983 }
 984
 985 void folderview_select_next_new(FolderView *folderview)
 986 {
 987         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 988         GtkCMCTreeNode *node = NULL;
 989         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 990         gboolean last_open = prefs_common.always_show_msg;
 991
 992         prefs_common.summary_select_prio[0] = ACTION_NEW;
 993         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 994
 995         if ((node = folderview_find_next_new(ctree, folderview->opened))
 996             != NULL) {
 997                 folderview_select_node(folderview, node);
 998                 goto out;
 999         }
1000
1001         if (!folderview->opened ||
1002             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
1003                 goto out;
1004         }
1005         /* search again from the first node */
1006         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1007                 folderview_select_node(folderview, node);
1008
1009 out:
1010         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1011         prefs_common.always_show_msg = last_open;
1012 }
1013
1014 FolderItem *folderview_get_selected_item(FolderView *folderview)
1015 {
1016         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1017
1018         if (!folderview->selected) return NULL;
1019         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
1020 }
1021
1022 static void folderview_set_folders(FolderView *folderview)
1023 {
1024         GList *list;
1025         list = folder_get_list();
1026
1027         for (; list != NULL; list = list->next) {
1028                 folderview_append_folder(folderview, FOLDER(list->data));
1029         }
1030 }
1031
1032 static gchar *get_scan_str(FolderItem *item)
1033 {
1034         if (item->path)
1035                 return g_strdup_printf(_("Scanning folder %s%c%s..."),
1036                                       item->folder->name, G_DIR_SEPARATOR,
1037                                       item->path);
1038         else
1039                 return g_strdup_printf(_("Scanning folder %s..."),
1040                                       item->folder->name);
1041 }
1042 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1043                                       gpointer data)
1044 {
1045         GList *list;
1046         for (list = folderview_list; list != NULL; list = list->next) {
1047                 FolderView *folderview = (FolderView *)list->data;
1048                 MainWindow *mainwin = folderview->mainwin;
1049                 gchar *str = get_scan_str(item);
1050
1051                 STATUSBAR_PUSH(mainwin, str);
1052                 STATUSBAR_POP(mainwin);
1053                 g_free(str);
1054         }
1055 }
1056
1057 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1058 {
1059         GtkWidget *window;
1060         MainWindow *mainwin = mainwindow_get_mainwindow();
1061         FolderView *folderview = NULL;
1062         GtkAdjustment *pos = NULL;
1063         gint height = 0;
1064
1065         cm_return_if_fail(folder != NULL);
1066
1067         if (!folder->klass->scan_tree) return;
1068
1069         if (rebuild &&
1070             alertpanel_full(_("Rebuild folder tree"),
1071                          _("Rebuilding the folder tree will remove "
1072                            "local caches. Do you want to continue?"),
1073                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1074                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1075                 != G_ALERTALTERNATE) {
1076                 return;
1077         }
1078
1079         inc_lock();
1080         if (rebuild)
1081                 window = label_window_create(_("Rebuilding folder tree..."));
1082         else
1083                 window = label_window_create(_("Scanning folder tree..."));
1084
1085         if (mainwin)
1086                 folderview = mainwin->folderview;
1087
1088         if (folderview) {
1089                 pos = gtk_scrolled_window_get_vadjustment(
1090                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1091                 height = gtk_adjustment_get_value(pos);
1092         }
1093
1094         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1095         folder_scan_tree(folder, rebuild);
1096         folder_set_ui_func(folder, NULL, NULL);
1097
1098         folderview_set_all();
1099
1100         if (folderview) {
1101                 pos = gtk_scrolled_window_get_vadjustment(
1102                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1103                 gtk_adjustment_set_value(pos, height);
1104                 gtk_adjustment_changed(pos);
1105         }
1106         label_window_destroy(window);
1107         inc_unlock();
1108 }
1109
1110 /** folderview_check_new()
1111  *  Scan and update the folder and return the
1112  *  count the number of new messages since last check.
1113  *  \param folder the folder to check for new messages
1114  *  \return the number of new messages since last check
1115  */
1116 gint folderview_check_new(Folder *folder)
1117 {
1118         GList *list;
1119         FolderItem *item;
1120         FolderView *folderview;
1121         GtkCMCTree *ctree;
1122         GtkCMCTreeNode *node;
1123         gint new_msgs = 0;
1124         gint former_new_msgs = 0;
1125         gint former_new = 0, former_unread = 0, former_total;
1126
1127         for (list = folderview_list; list != NULL; list = list->next) {
1128                 folderview = (FolderView *)list->data;
1129                 ctree = GTK_CMCTREE(folderview->ctree);
1130                 folderview->scanning_folder = folder;
1131                 inc_lock();
1132                 main_window_lock(folderview->mainwin);
1133
1134                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1135                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1136                         gchar *str = NULL;
1137                         item = gtk_cmctree_node_get_row_data(ctree, node);
1138                         if (!item || !item->path || !item->folder) continue;
1139                         if (item->no_select) continue;
1140                         if (folder && folder != item->folder) continue;
1141                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1142                         if (!item->prefs->newmailcheck) continue;
1143                         if (item->processing_pending == TRUE) {
1144                                 debug_print("skipping %s, processing pending\n",
1145                                         item->path ? item->path : item->name);
1146                                 continue;
1147                         }
1148                         if (item->scanning != ITEM_NOT_SCANNING) {
1149                                 debug_print("skipping %s, scanning\n",
1150                                         item->path ? item->path : item->name);
1151                                 continue;
1152                         }
1153
1154                         str = get_scan_str(item);
1155
1156                         STATUSBAR_PUSH(folderview->mainwin, str);
1157                         GTK_EVENTS_FLUSH();
1158                         g_free(str);
1159
1160                         folderview_scan_tree_func(item->folder, item, NULL);
1161                         former_new    = item->new_msgs;
1162                         former_unread = item->unread_msgs;
1163                         former_total  = item->total_msgs;
1164
1165                         if (item->folder->klass->scan_required &&
1166                             (item->folder->klass->scan_required(item->folder, item) ||
1167                              item->folder->inbox == item ||
1168                              item->opened == TRUE ||
1169                              item->processing_pending == TRUE)) {
1170                                 if (folder_item_scan(item) < 0) {
1171                                         if (folder) {
1172                                                 summaryview_unlock(folderview->summaryview, item);
1173                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1174                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1175                                                                 item->path ? item->path:item->name);
1176                                                         STATUSBAR_POP(folderview->mainwin);
1177                                                         continue;
1178                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1179                                                         STATUSBAR_POP(folderview->mainwin);
1180                                                         break;
1181                                                 }
1182                                         }
1183                                 }
1184                         } else if (!item->folder->klass->scan_required) {
1185                                 if (folder_item_scan(item) < 0) {
1186                                         summaryview_unlock(folderview->summaryview, item);
1187                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1188                                                 STATUSBAR_POP(folderview->mainwin);
1189                                                 break;
1190                                         }
1191                                 }
1192                         }
1193                         if (former_new    != item->new_msgs ||
1194                             former_unread != item->unread_msgs ||
1195                             former_total  != item->total_msgs)
1196                                 folderview_update_node(folderview, node);
1197
1198                         new_msgs += item->new_msgs;
1199                         former_new_msgs += former_new;
1200                         STATUSBAR_POP(folderview->mainwin);
1201                 }
1202                 folderview->scanning_folder = NULL;
1203                 main_window_unlock(folderview->mainwin);
1204                 inc_unlock();
1205         }
1206
1207         folder_write_list();
1208         /* Number of new messages since last check is the just the difference
1209          * between former_new_msgs and new_msgs. If new_msgs is less than
1210          * former_new_msgs, that would mean another session accessed the folder
1211          * and the result is not well defined.
1212          */
1213         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1214         return new_msgs;
1215 }
1216
1217 void folderview_check_new_all(void)
1218 {
1219         GList *list;
1220         GtkWidget *window;
1221         FolderView *folderview;
1222
1223         folderview = (FolderView *)folderview_list->data;
1224
1225         inc_lock();
1226         main_window_lock(folderview->mainwin);
1227         window = label_window_create
1228                 (_("Checking for new messages in all folders..."));
1229
1230         list = folder_get_list();
1231         for (; list != NULL; list = list->next) {
1232                 Folder *folder = list->data;
1233
1234                 folderview_check_new(folder);
1235         }
1236
1237         folder_write_list();
1238         folderview_set_all();
1239
1240         label_window_destroy(window);
1241         main_window_unlock(folderview->mainwin);
1242         inc_unlock();
1243 }
1244
1245 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1246                                                  FolderItem *item,
1247                                                  gboolean in_sub)
1248 {
1249         GNode *node = NULL;
1250
1251         if (!item || !item->folder || !item->folder->node)
1252                 return FALSE;
1253
1254         node = item->folder->node;
1255
1256         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1257         node = node->children;
1258
1259         if (in_sub &&
1260             (item->new_msgs > 0 ||
1261             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1262                 return TRUE;
1263         }
1264
1265         while (node != NULL) {
1266                 if (node && node->data) {
1267                         FolderItem *next_item = (FolderItem*) node->data;
1268                         node = node->next;
1269                         if (folderview_have_new_children_sub(folderview,
1270                                                              next_item, TRUE))
1271                                 return TRUE;
1272                 }
1273         }
1274
1275         return FALSE;
1276 }
1277
1278 static gboolean folderview_have_new_children(FolderView *folderview,
1279                                              FolderItem *item)
1280 {
1281         return folderview_have_new_children_sub(folderview, item, FALSE);
1282 }
1283
1284 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1285                                                     FolderItem *item,
1286                                                     gboolean in_sub)
1287 {
1288         GNode *node = NULL;
1289
1290         if (!item || !item->folder || !item->folder->node)
1291                 return FALSE;
1292
1293         node = item->folder->node;
1294
1295         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1296         node = node->children;
1297
1298         if (in_sub &&
1299             (item->unread_msgs > 0 ||
1300             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1301                 return TRUE;
1302         }
1303
1304         while (node != NULL) {
1305                 if (node && node->data) {
1306                         FolderItem *next_item = (FolderItem*) node->data;
1307                         node = node->next;
1308                         if (folderview_have_unread_children_sub(folderview,
1309                                                                 next_item,
1310                                                                 TRUE))
1311                                 return TRUE;
1312                 }
1313         }
1314
1315         return FALSE;
1316 }
1317
1318 static gboolean folderview_have_unread_children(FolderView *folderview,
1319                                                 FolderItem *item)
1320 {
1321         return folderview_have_unread_children_sub(folderview, item, FALSE);
1322 }
1323
1324 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1325                                                       FolderItem *item,
1326                                                       gboolean in_sub)
1327 {
1328         GNode *node = NULL;
1329
1330         if (!item || !item->folder || !item->folder->node)
1331                 return FALSE;
1332
1333         node = item->folder->node;
1334
1335         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1336         node = node->children;
1337
1338         if (in_sub && item->search_match){
1339                 return TRUE;
1340         }
1341
1342         while (node != NULL) {
1343                 if (node && node->data) {
1344                         FolderItem *next_item = (FolderItem*) node->data;
1345                         node = node->next;
1346                         if (folderview_have_matching_children_sub(folderview,
1347                                                                   next_item,
1348                                                                   TRUE))
1349                                 return TRUE;
1350                 }
1351         }
1352
1353         return FALSE;
1354 }
1355
1356 static gboolean folderview_have_matching_children(FolderView *folderview,
1357                                                   FolderItem *item)
1358 {
1359         return folderview_have_matching_children_sub(folderview, item, FALSE);
1360 }
1361
1362 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1363                                                     FolderItem *item,
1364                                                     gboolean in_sub)
1365 {
1366         GNode *node = NULL;
1367
1368         if (!item || !item->folder || !item->folder->node)
1369                 return FALSE;
1370
1371         node = item->folder->node;
1372
1373         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1374         node = node->children;
1375
1376         if (item->marked_msgs != 0) {
1377                 return TRUE;
1378         }
1379
1380         while (node != NULL) {
1381                 if (node && node->data) {
1382                         FolderItem *next_item = (FolderItem*) node->data;
1383                         node = node->next;
1384                         if (folderview_have_marked_children_sub(folderview,
1385                                                                 next_item, TRUE))
1386                                 return TRUE;
1387                 }
1388         }
1389
1390         return FALSE;
1391 }
1392
1393 static gboolean folderview_have_marked_children(FolderView *folderview,
1394                                              FolderItem *item)
1395 {
1396         return folderview_have_marked_children_sub(folderview, item, FALSE);
1397 }
1398
1399 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1400 {
1401         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1402         GtkStyle *style = NULL;
1403         GtkStyle *color_style = NULL;
1404         FolderItem *item;
1405         GdkPixbuf *xpm, *openxpm;
1406         static GdkPixbuf *searchicon;
1407         gboolean mark = FALSE;
1408         gchar *name;
1409         gchar *str;
1410         gboolean add_unread_mark;
1411         gboolean add_sub_match_mark;
1412         gboolean use_bold, use_color;
1413         gint *col_pos = folderview->col_pos;
1414         SpecialFolderItemType stype;
1415
1416         item = gtk_cmctree_node_get_row_data(ctree, node);
1417         cm_return_if_fail(item != NULL);
1418
1419         if (!GTK_CMCTREE_ROW(node)->expanded)
1420                 mark = folderview_have_marked_children(folderview, item);
1421         else
1422                 mark = (item->marked_msgs != 0);
1423
1424         stype = item->stype;
1425         if (stype == F_NORMAL) {
1426                 if (folder_has_parent_of_type(item, F_TRASH))
1427                         stype = F_TRASH;
1428                 else if (folder_has_parent_of_type(item, F_DRAFT))
1429                         stype = F_DRAFT;
1430                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1431                         stype = F_OUTBOX;
1432                 else if (folder_has_parent_of_type(item, F_QUEUE))
1433                         stype = F_QUEUE;
1434         }
1435         switch (stype) {
1436         case F_INBOX:
1437                 if (item->hide_read_msgs || item->hide_read_threads) {
1438                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1439                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1440                 } else {
1441                         xpm = mark?m_inboxxpm:inboxxpm;
1442                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1443                 }
1444                 break;
1445         case F_OUTBOX:
1446                 if (item->hide_read_msgs || item->hide_read_threads) {
1447                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1448                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1449                 } else {
1450                         xpm = mark?m_outboxxpm:outboxxpm;
1451                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1452                 }
1453                 break;
1454         case F_QUEUE:
1455                 if (item->hide_read_msgs || item->hide_read_threads) {
1456                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1457                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1458                 } else {
1459                         xpm = mark?m_queuexpm:queuexpm;
1460                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1461                 }
1462                 break;
1463         case F_TRASH:
1464                 if (item->hide_read_msgs || item->hide_read_threads) {
1465                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1466                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1467                 } else {
1468                         xpm = mark?m_trashxpm:trashxpm;
1469                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1470                 }
1471                 break;
1472         case F_DRAFT:
1473                 xpm = mark?m_draftsxpm:draftsxpm;
1474                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1475                 break;
1476         default:
1477                 if (item->hide_read_msgs || item->hide_read_threads) {
1478                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1479                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1480                 } else {
1481                         xpm = mark?m_folderxpm:folderxpm;
1482                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1483                 }
1484         }
1485
1486         if (item->no_select) {
1487                 xpm = openxpm = noselectxpm;
1488         }
1489
1490         name = folder_item_get_name(item);
1491
1492         if (!GTK_CMCTREE_ROW(node)->expanded) {
1493                 add_unread_mark = folderview_have_unread_children(
1494                                         folderview, item);
1495                 add_sub_match_mark = folderview_have_matching_children(
1496                                         folderview, item);
1497         } else {
1498                 add_unread_mark = FALSE;
1499                 add_sub_match_mark = FALSE;
1500         }
1501
1502         if (item->search_match) {
1503                 if (!searchicon) {
1504                         stock_pixbuf_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1505                          &searchicon);
1506                 }
1507                 xpm = openxpm = searchicon;
1508         }
1509
1510         str = NULL;
1511         if (prefs_common.display_folder_unread) {
1512                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1513                         /* only total_msgs matters here */
1514                         if (item->total_msgs > 0) {
1515                                 /* show total number (should be equal to the unread number)
1516                                    and signs if any */
1517                                 str = g_strdup_printf("%s (%d%s%s)",
1518                                                         name, item->total_msgs,
1519                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1520                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1521                         }
1522                 } else {
1523                         if (prefs_common.display_folder_unread == 1) {
1524                                 if (item->unread_msgs > 0) {
1525                                         /* show unread number and signs */
1526                                         str = g_strdup_printf("%s (%d%s%s)",
1527                                                                 name, item->unread_msgs,
1528                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1529                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1530                                 }
1531                         } else {
1532                                 if (item->total_msgs > 0) {
1533                                         /* show unread number, total number and signs if any */
1534                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1535                                                                 name, item->unread_msgs, item->total_msgs,
1536                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1537                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1538                                 }
1539                         }
1540                 }
1541                 if ((str == NULL) &&
1542                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1543                         /* no unread/total numbers, but at least one sign */
1544                         str = g_strdup_printf("%s (%s%s)",
1545                                                 name,
1546                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1547                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1548                 }
1549         }
1550         if (str == NULL) {
1551                 /* last fallback, folder name only or with +! sign */
1552                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1553                         str = g_strdup_printf("%s%s",
1554                                                 name, " (+!)");
1555                 } else if (item->unreadmarked_msgs > 0) {
1556                         str = g_strdup_printf("%s%s",
1557                                                 name, " (!)");
1558                 } else if (add_sub_match_mark) {
1559                         str = g_strdup_printf("%s%s",
1560                                                 name, " (+)");
1561                 } else {
1562                         str = g_strdup_printf("%s", name);
1563                 }
1564         }
1565         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1566                                 xpm, openxpm,
1567                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1568         g_free(str);
1569         g_free(name);
1570
1571         if (!folder_item_parent(item)) {
1572                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1573                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1574                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1575         } else {
1576                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1577                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1578                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1579         }
1580
1581         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1582             folder_has_parent_of_type(item, F_TRASH)) {
1583                 use_bold = use_color = FALSE;
1584         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1585                 GSList *list = folder_item_get_msg_list(item);
1586                 GSList *cur;
1587                 use_bold = use_color = FALSE;
1588                 for (cur = list; cur; cur = cur->next) {
1589                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1590                         if (!MSG_IS_DELETED(msginfo->flags)) {
1591                                 /* highlight queue folder if there are any messages */
1592                                 use_bold = use_color = TRUE;
1593                                 break;
1594                         }
1595                 }
1596                 procmsg_msg_list_free(list);
1597         } else {
1598                 /* if unread messages exist, print with bold font */
1599                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1600                                 || add_unread_mark;
1601                 /* if new messages exist, print with colored letter */
1602                 use_color =
1603                         (item->new_msgs > 0) ||
1604                         (add_unread_mark &&
1605                          folderview_have_new_children(folderview, item));
1606         }
1607
1608         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1609
1610         if (use_bold) {
1611                 GdkColor gdk_color;
1612
1613                 if (item->prefs->color > 0 && !use_color) {
1614                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1615                         color_style = gtk_style_copy(bold_style);
1616                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1617                         style = color_style;
1618                 } else if (use_color) {
1619                         style = bold_color_style;
1620                 } else
1621                         style = bold_style;
1622                 if (item->op_count > 0) {
1623                         style = bold_tgtfold_style;
1624                 }
1625         } else if (use_color) {
1626                 style = normal_color_style;
1627                 gtk_cmctree_node_set_foreground(ctree, node,
1628                                               &folderview->color_new);
1629         } else if (item->op_count > 0) {
1630                 style = bold_tgtfold_style;
1631         } else if (item->prefs->color > 0) {
1632                 GdkColor gdk_color;
1633                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1634                 color_style = gtk_style_copy(normal_style);
1635                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1636                 style = color_style;
1637         } else {
1638                 style = normal_style;
1639         }
1640
1641         gtk_cmctree_node_set_row_style(ctree, node, style);
1642
1643         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1644                 folderview_update_node(folderview, node);
1645 }
1646
1647 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1648 {
1649         GList *list;
1650         FolderView *folderview;
1651         GtkCMCTree *ctree;
1652         GtkCMCTreeNode *node;
1653
1654         cm_return_if_fail(item != NULL);
1655
1656         for (list = folderview_list; list != NULL; list = list->next) {
1657                 folderview = (FolderView *)list->data;
1658                 ctree = GTK_CMCTREE(folderview->ctree);
1659
1660                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1661                 if (node && item->search_match != matches) {
1662                         item->search_match = matches;
1663                         folderview_update_node(folderview, node);
1664                 }
1665         }
1666 }
1667
1668 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1669 {
1670         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1671         FolderView *folderview = (FolderView *)data;
1672         GtkCMCTree *ctree;
1673         GtkCMCTreeNode *node;
1674         cm_return_val_if_fail(update_info != NULL, TRUE);
1675         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1676         cm_return_val_if_fail(folderview != NULL, FALSE);
1677
1678         ctree = GTK_CMCTREE(folderview->ctree);
1679
1680         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1681
1682         if (node) {
1683                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1684                         folderview_update_node(folderview, node);
1685
1686                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1687                      update_info->item == folderview->summaryview->folder_item &&
1688                      update_info->item != NULL)
1689                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1690                                 summary_show(folderview->summaryview, update_info->item);
1691         }
1692
1693         return FALSE;
1694 }
1695
1696 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1697                                       GNode *gnode, GtkCMCTreeNode *cnode,
1698                                       gpointer data)
1699 {
1700         FolderView *folderview = (FolderView *)data;
1701         FolderItem *item = FOLDER_ITEM(gnode->data);
1702
1703         cm_return_val_if_fail(item != NULL, FALSE);
1704
1705         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1706         folderview_update_node(folderview, cnode);
1707
1708         return TRUE;
1709 }
1710
1711 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1712                                    gpointer data)
1713 {
1714         FolderView *folderview = (FolderView *)data;
1715         FolderItem *item;
1716
1717         if (GTK_CMCTREE_ROW(node)->children) {
1718                 item = gtk_cmctree_node_get_row_data(ctree, node);
1719                 cm_return_if_fail(item != NULL);
1720
1721                 if (!item->collapsed)
1722                         gtk_cmctree_expand(ctree, node);
1723                 else
1724                         folderview_update_node(folderview, node);
1725         }
1726 }
1727
1728 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1729                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1730 {
1731         if (item) {
1732                 GtkCMCTreeNode *node, *parent, *sibling;
1733
1734                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1735                 if (!node)
1736                         g_warning("%s not found.\n", item->path);
1737                 else {
1738                         parent = GTK_CMCTREE_ROW(node)->parent;
1739                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1740                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1741                         else
1742                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1743                         while (sibling) {
1744                                 FolderItem *tmp;
1745
1746                                 tmp = gtk_cmctree_node_get_row_data
1747                                         (ctree, sibling);
1748                                 if (tmp->stype != F_NORMAL)
1749                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1750                                 else
1751                                         break;
1752                         }
1753                         if (node != sibling)
1754                                 gtk_cmctree_move(ctree, node, parent, sibling);
1755                 }
1756
1757                 *prev = node;
1758         }
1759 }
1760
1761 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1762                                     Folder *folder)
1763 {
1764         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1765         GtkCMCTreeNode *prev = NULL;
1766
1767         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1768         gtk_sctree_sort_recursive(ctree, root);
1769         if (root && GTK_CMCTREE_ROW(root)->parent) {
1770                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1771                 return;
1772         }
1773         set_special_folder(ctree, folder->inbox, root, &prev);
1774         set_special_folder(ctree, folder->outbox, root, &prev);
1775         set_special_folder(ctree, folder->draft, root, &prev);
1776         set_special_folder(ctree, folder->queue, root, &prev);
1777         set_special_folder(ctree, folder->trash, root, &prev);
1778         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1779 }
1780
1781 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1782 {
1783         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1784         GtkCMCTreeNode *root;
1785
1786         cm_return_if_fail(folder != NULL);
1787
1788         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1789                                       folderview_gnode_func, folderview);
1790         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1791                                 folderview);
1792         folderview_sort_folders(folderview, root, folder);
1793 }
1794
1795 /* callback functions */
1796 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1797                                 GdkEventButton *event)
1798 {
1799         FolderItem *item;
1800         Folder *folder;
1801         FolderViewPopup *fpopup;
1802         GtkActionGroup *action_group;
1803         GtkWidget *popup;
1804         FolderItem *special_trash = NULL, *special_queue = NULL;
1805         PrefsAccount *ac;
1806         GtkUIManager *ui_manager = gtk_ui_manager_new();
1807
1808         if (folderview->ui_manager)
1809                 g_object_unref(folderview->ui_manager);
1810
1811         folderview->ui_manager = ui_manager;
1812         item = folderview_get_selected_item(folderview);
1813
1814         cm_return_if_fail(item != NULL);
1815         cm_return_if_fail(item->folder != NULL);
1816         folder = item->folder;
1817
1818         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1819
1820         if (fpopup != NULL)
1821                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1822         else {
1823                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1824                 action_group = g_hash_table_lookup(folderview->popups, "common");
1825         }
1826
1827         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1828         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1829         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1830
1831         if (fpopup->add_menuitems)
1832                 fpopup->add_menuitems(ui_manager, item);
1833
1834         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1835         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1836         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1837         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1838         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1839         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1840
1841         if (fpopup->set_sensitivity != NULL)
1842                 fpopup->set_sensitivity(ui_manager, item);
1843
1844         if (NULL != (ac = account_find_from_item(item))) {
1845                 special_trash = account_get_special_folder(ac, F_TRASH);
1846                 special_queue = account_get_special_folder(ac, F_QUEUE);
1847         }
1848
1849         if ((item == folder->trash || item == special_trash
1850              || folder_has_parent_of_type(item, F_TRASH))) {
1851                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1852                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1853         }
1854
1855         if ((item == folder->queue || item == special_queue
1856              || folder_has_parent_of_type(item, F_QUEUE))) {
1857                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1858                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1859         }
1860
1861 #define SET_SENS(name, sens) \
1862         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1863
1864         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs >= 1);
1865         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs >= 1 &&
1866                  folderview->selected == folderview->opened);
1867         SET_SENS("FolderViewPopup/Properties", TRUE);
1868
1869         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1870                  item->total_msgs >= 1 && !item->processing_pending);
1871         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1872                 !item->no_select && !item->processing_pending);
1873
1874         if (item == folder->trash || item == special_trash
1875             || folder_has_parent_of_type(item, F_TRASH)) {
1876                 GSList *msglist = folder_item_get_msg_list(item);
1877                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
1878                 procmsg_msg_list_free(msglist);
1879         }
1880         if (item == folder->queue || item == special_queue
1881             || folder_has_parent_of_type(item, F_QUEUE)) {
1882                 GSList *msglist = folder_item_get_msg_list(item);
1883                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
1884                 procmsg_msg_list_free(msglist);
1885         }
1886 #undef SET_SENS
1887
1888         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
1889                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
1890         g_signal_connect(G_OBJECT(popup), "selection_done",
1891                          G_CALLBACK(folderview_popup_close),
1892                          folderview);
1893         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1894                        event->button, event->time);
1895 }
1896
1897 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1898                                           FolderView *folderview)
1899 {
1900         GtkCMCList *clist = GTK_CMCLIST(ctree);
1901         gint prev_row = -1, row = -1, column = -1;
1902
1903         if (!event) return FALSE;
1904
1905         if (event->button == 1 || event->button == 2) {
1906                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1907                         folderview->open_folder = TRUE;
1908
1909                 if (event->type == GDK_2BUTTON_PRESS) {
1910                         if (clist->selection) {
1911                                 GtkCMCTreeNode *node;
1912
1913                                 node = GTK_CMCTREE_NODE(clist->selection->data);
1914                                 if (node) {
1915                                         gtk_cmctree_toggle_expansion(
1916                                                 GTK_CMCTREE(ctree),
1917                                                 node);
1918                                         folderview->open_folder = FALSE;
1919                                 }
1920                         }
1921                 }
1922                 return FALSE;
1923         }
1924
1925         if (event->button == 2 || event->button == 3) {
1926                 /* right clicked */
1927                 if (clist->selection) {
1928                         GtkCMCTreeNode *node;
1929
1930                         node = GTK_CMCTREE_NODE(clist->selection->data);
1931                         if (node)
1932                                 prev_row = gtkut_ctree_get_nth_from_node
1933                                         (GTK_CMCTREE(ctree), node);
1934                 }
1935
1936                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1937                                                   &row, &column))
1938                         return FALSE;
1939                 if (prev_row != row) {
1940                         gtk_cmclist_unselect_all(clist);
1941                         if (event->button == 2)
1942                                 folderview_select_node
1943                                         (folderview,
1944                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
1945                                                             row));
1946                         else
1947                                 gtk_cmclist_select_row(clist, row, column);
1948                 }
1949         }
1950
1951         if (event->button != 3) return FALSE;
1952
1953         folderview_set_sens_and_popup_menu(folderview, row, event);
1954         return FALSE;
1955 }
1956
1957 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1958                                            FolderView *folderview)
1959 {
1960         int row = -1, column = -1;
1961
1962         if (!event) return FALSE;
1963
1964         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
1965                                           &row, &column))
1966                 return FALSE;
1967         if (event->button == 1 && folderview->open_folder == FALSE &&
1968             folderview->opened != NULL) {
1969                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
1970                                           folderview->opened);
1971                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
1972         }
1973
1974         return FALSE;
1975 }
1976
1977 #define BREAK_ON_MODIFIER_KEY() \
1978         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1979
1980 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1981                                        FolderView *folderview)
1982 {
1983         if (!event) return FALSE;
1984
1985         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1986                 return FALSE;
1987
1988         switch (event->keyval) {
1989         case GDK_KEY_Right:
1990 #ifndef GENERIC_UMPC
1991         case GDK_KEY_Return:
1992         case GDK_KEY_KP_Enter:
1993 #endif
1994                 if (folderview->selected) {
1995                         folderview_select_node(folderview,
1996                                                folderview->selected);
1997                 }
1998                 break;
1999 #ifdef GENERIC_UMPC
2000         case GDK_KEY_Return:
2001                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2002                         gtk_cmctree_toggle_expansion(
2003                                 GTK_CMCTREE(folderview->ctree),
2004                                 folderview->selected);
2005                 }
2006                 break;
2007 #endif
2008         case GDK_KEY_space:
2009                 BREAK_ON_MODIFIER_KEY();
2010                 if (folderview->selected) {
2011                         if (folderview->opened == folderview->selected &&
2012                             (!folderview->summaryview->folder_item ||
2013                              folderview->summaryview->folder_item->total_msgs == 0))
2014                                 folderview_select_next_unread(folderview, TRUE);
2015                         else
2016                                 folderview_select_node(folderview,
2017                                                        folderview->selected);
2018                 }
2019                 break;
2020         default:
2021                 break;
2022         }
2023
2024         return FALSE;
2025 }
2026
2027 typedef struct _PostponedSelectData
2028 {
2029         GtkCMCTree *ctree;
2030         GtkCMCTreeNode *row;
2031         gint column;
2032         FolderView *folderview;
2033 } PostponedSelectData;
2034
2035 static gboolean postpone_select(void *data)
2036 {
2037         PostponedSelectData *psdata = (PostponedSelectData *)data;
2038         debug_print("trying again\n");
2039
2040         psdata->folderview->postpone_select_id = 0;
2041         psdata->folderview->open_folder = TRUE;
2042         main_window_cursor_normal(psdata->folderview->mainwin);
2043         STATUSBAR_POP(psdata->folderview->mainwin);
2044         folderview_selected(psdata->ctree, psdata->row,
2045                             psdata->column, psdata->folderview);
2046         g_free(psdata);
2047         return FALSE;
2048 }
2049
2050 void folderview_close_opened(FolderView *folderview)
2051 {
2052         if (folderview->opened) {
2053                 FolderItem *olditem;
2054
2055                 olditem = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2056                                                       folderview->opened);
2057                 if (olditem) {
2058                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2059                                 olditem->path ? olditem->path:olditem->name);
2060                         /* will be null if we just moved the previously opened folder */
2061                         STATUSBAR_PUSH(folderview->mainwin, buf);
2062                         main_window_cursor_wait(folderview->mainwin);
2063                         g_free(buf);
2064                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2065                         summary_show(folderview->summaryview, NULL);
2066                         folder_item_close(olditem);
2067                         main_window_cursor_normal(folderview->mainwin);
2068                         STATUSBAR_POP(folderview->mainwin);
2069                         if (olditem->folder->klass->item_closed)
2070                                 olditem->folder->klass->item_closed(olditem);
2071
2072                 }
2073         }
2074
2075         if (folderview->opened &&
2076             !GTK_CMCTREE_ROW(folderview->opened)->children)
2077                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2078
2079         folderview->opened = NULL;
2080 }
2081 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2082                                 gint column, FolderView *folderview)
2083 {
2084         static gboolean can_select = TRUE;      /* exclusive lock */
2085         gboolean opened;
2086         FolderItem *item;
2087         gchar *buf;
2088         int res = 0;
2089         GtkCMCTreeNode *old_opened = folderview->opened;
2090         START_TIMING("");
2091         folderview->selected = row;
2092
2093         debug_print("newly selected %p, opened %p\n", folderview->selected,
2094                         folderview->opened);
2095         if (folderview->opened == row) {
2096                 folderview->open_folder = FALSE;
2097                 END_TIMING();
2098                 return;
2099         }
2100
2101         item = gtk_cmctree_node_get_row_data(ctree, row);
2102         if (!item) {
2103                 END_TIMING();
2104                 folderview->open_folder = FALSE;
2105                 return;
2106         }
2107
2108         if (!can_select || summary_is_locked(folderview->summaryview)) {
2109                 if (folderview->opened) {
2110                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2111                         gtk_cmctree_select(ctree, folderview->opened);
2112                 }
2113                 folderview->open_folder = FALSE;
2114                 END_TIMING();
2115                 return;
2116         }
2117
2118         if (!folderview->open_folder) {
2119                 END_TIMING();
2120                 return;
2121         }
2122
2123         can_select = FALSE;
2124
2125         /* Save cache for old folder */
2126         /* We don't want to lose all caches if sylpheed crashed */
2127         /* resets folderview->opened to NULL */
2128         folderview_close_opened(folderview);
2129
2130         /* CLAWS: set compose button type: news folder items
2131          * always have a news folder as parent */
2132         if (item->folder)
2133                 toolbar_set_compose_button
2134                         (folderview->mainwin->toolbar,
2135                          FOLDER_TYPE(item->folder) == F_NEWS ?
2136                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2137
2138         if (item->path)
2139                 debug_print("Folder %s is selected\n", item->path);
2140
2141         if (!GTK_CMCTREE_ROW(row)->children)
2142                 gtk_cmctree_expand(ctree, row);
2143
2144         /* ungrab the mouse event */
2145         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2146                 gtk_grab_remove(GTK_WIDGET(ctree));
2147                 if (gdk_pointer_is_grabbed())
2148                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2149         }
2150
2151         /* Open Folder */
2152         /* TODO: wwp: avoid displaying (null) in the status bar */
2153         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2154                                         item->path : "(null)");
2155         debug_print("%s\n", buf);
2156         STATUSBAR_PUSH(folderview->mainwin, buf);
2157         g_free(buf);
2158
2159         main_window_cursor_wait(folderview->mainwin);
2160
2161         if (folderview->scanning_folder == item->folder) {
2162                 res = -2;
2163         } else {
2164                 res = folder_item_open(item);
2165         }
2166
2167         if (res == -1 && item->no_select == FALSE) {
2168                 main_window_cursor_normal(folderview->mainwin);
2169                 STATUSBAR_POP(folderview->mainwin);
2170
2171                 alertpanel_error(_("Folder could not be opened."));
2172
2173                 folderview->open_folder = FALSE;
2174                 can_select = TRUE;
2175                 END_TIMING();
2176                 return;
2177         } else if (res == -2 && item->no_select == FALSE) {
2178                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2179                 data->ctree = ctree;
2180                 data->row = row;
2181                 data->column = column;
2182                 data->folderview = folderview;
2183                 debug_print("postponing open of %s till end of scan\n",
2184                         item->path ? item->path:item->name);
2185                 folderview->open_folder = FALSE;
2186                 can_select = TRUE;
2187                 if (folderview->postpone_select_id != 0)
2188                         g_source_remove(folderview->postpone_select_id);
2189                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2190                 END_TIMING();
2191                 return;
2192         }
2193
2194         main_window_cursor_normal(folderview->mainwin);
2195
2196         /* Show messages */
2197         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2198         opened = summary_show(folderview->summaryview, item);
2199
2200         folder_clean_cache_memory(item);
2201
2202         if (!opened) {
2203                 gtkut_ctree_set_focus_row(ctree, old_opened);
2204                 gtk_cmctree_select(ctree, old_opened);
2205                 folderview->opened = old_opened;
2206         } else {
2207                 folderview->opened = row;
2208                 if (gtk_cmctree_node_is_visible(ctree, row)
2209                     != GTK_VISIBILITY_FULL)
2210                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2211         }
2212
2213         STATUSBAR_POP(folderview->mainwin);
2214
2215         folderview->open_folder = FALSE;
2216         can_select = TRUE;
2217         END_TIMING();
2218 }
2219
2220 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2221                                      FolderView *folderview)
2222 {
2223         FolderItem *item;
2224
2225         item = gtk_cmctree_node_get_row_data(ctree, node);
2226         cm_return_if_fail(item != NULL);
2227         item->collapsed = FALSE;
2228         folderview_update_node(folderview, node);
2229 }
2230
2231 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2232                                       FolderView *folderview)
2233 {
2234         FolderItem *item;
2235
2236         item = gtk_cmctree_node_get_row_data(ctree, node);
2237         cm_return_if_fail(item != NULL);
2238         item->collapsed = TRUE;
2239         folderview_update_node(folderview, node);
2240 }
2241
2242 static void folderview_popup_close(GtkMenuShell *menu_shell,
2243                                    FolderView *folderview)
2244 {
2245         if (!folderview->opened) return;
2246
2247         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2248 }
2249
2250 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2251                                    FolderView *folderview)
2252 {
2253         FolderColumnType type = folderview->col_state[column].type;
2254
2255         prefs_common.folder_col_size[type] = width;
2256 }
2257
2258 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2259 {
2260         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2261         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2262         GtkCMCTreeNode *node, *parent_node;
2263         gint *col_pos = folderview->col_pos;
2264         FolderItemUpdateData hookdata;
2265
2266         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2267         if (parent_node == NULL)
2268                 return;
2269
2270         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2271
2272         text[col_pos[F_COL_FOLDER]] = item->name;
2273         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2274                                      FOLDER_SPACING,
2275                                      folderxpm,
2276                                      folderopenxpm,
2277                                      FALSE, FALSE);
2278         gtk_cmctree_expand(ctree, parent_node);
2279         gtk_cmctree_node_set_row_data(ctree, node, item);
2280         if (normal_style)
2281                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2282         folderview_sort_folders(folderview, parent_node, item->folder);
2283
2284         hookdata.item = item;
2285         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2286         hookdata.msg = NULL;
2287         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2288
2289         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2290 }
2291
2292 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2293 {
2294         FolderView *folderview = (FolderView *)data;
2295         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2296         FolderItem *item;
2297         GSList *mlist = NULL;
2298         GSList *cur = NULL;
2299         FolderItem *special_trash = NULL;
2300         PrefsAccount *ac;
2301
2302         if (!folderview->selected) return;
2303         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2304         cm_return_if_fail(item != NULL);
2305         cm_return_if_fail(item->folder != NULL);
2306
2307         if (NULL != (ac = account_find_from_item(item)))
2308                 special_trash = account_get_special_folder(ac, F_TRASH);
2309
2310         if (item != item->folder->trash && item != special_trash
2311         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2312
2313         if (prefs_common.ask_on_clean) {
2314                 if (alertpanel(_("Empty trash"),
2315                                _("Delete all messages in trash?"),
2316                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2317                         return;
2318         }
2319
2320         mlist = folder_item_get_msg_list(item);
2321
2322         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2323                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2324                 if (MSG_IS_LOCKED(msginfo->flags))
2325                         continue;
2326                 /* is it partially received? (partial_recv isn't cached) */
2327                 if (msginfo->total_size != 0 &&
2328                     msginfo->size != (off_t)msginfo->total_size)
2329                         partial_mark_for_delete(msginfo);
2330         }
2331         procmsg_msg_list_free(mlist);
2332
2333         folder_item_remove_all_msg(item);
2334 }
2335
2336 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2337 {
2338         FolderView *folderview = (FolderView *)data;
2339         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2340         FolderItem *item;
2341         FolderItem *special_queue = NULL;
2342         PrefsAccount *ac;
2343         gchar *errstr = NULL;
2344
2345         if (!folderview->selected) return;
2346         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2347         cm_return_if_fail(item != NULL);
2348         cm_return_if_fail(item->folder != NULL);
2349
2350         if (NULL != (ac = account_find_from_item(item)))
2351                 special_queue = account_get_special_folder(ac, F_QUEUE);
2352
2353         if (item != item->folder->queue && item != special_queue
2354         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2355
2356         if (procmsg_queue_is_empty(item))
2357                 return;
2358
2359         if (prefs_common.work_offline)
2360                 if (alertpanel(_("Offline warning"),
2361                                _("You're working offline. Override?"),
2362                                GTK_STOCK_NO, GTK_STOCK_YES,
2363                                NULL) != G_ALERTALTERNATE)
2364                 return;
2365
2366         /* ask for confirmation before sending queued messages only
2367            in online mode and if there is at least one message queued
2368            in any of the folder queue
2369         */
2370         if (prefs_common.confirm_send_queued_messages) {
2371                 if (!prefs_common.work_offline) {
2372                         if (alertpanel(_("Send queued messages"),
2373                                    _("Send all queued messages?"),
2374                                    GTK_STOCK_CANCEL, _("_Send"),
2375                                    NULL) != G_ALERTALTERNATE)
2376                                 return;
2377                 }
2378         }
2379
2380         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2381                 if (!errstr)
2382                         alertpanel_error_log(_("Some errors occurred while "
2383                                            "sending queued messages."));
2384                 else {
2385                         alertpanel_error_log(_("Some errors occurred "
2386                                         "while sending queued messages:\n%s"), errstr);
2387                         g_free(errstr);
2388                 }
2389         }
2390 }
2391
2392 static void folderview_search_cb(GtkAction *action, gpointer data)
2393 {
2394         FolderView *folderview = (FolderView *)data;
2395         summary_search(folderview->summaryview);
2396 }
2397
2398 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2399 {
2400         FolderView *folderview = (FolderView *)data;
2401         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2402         FolderItem *item;
2403
2404         if (!folderview->selected) return;
2405
2406         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2407         cm_return_if_fail(item != NULL);
2408         cm_return_if_fail(item->folder != NULL);
2409
2410         item->processing_pending = TRUE;
2411         folder_item_apply_processing(item);
2412         item->processing_pending = FALSE;
2413 }
2414
2415 static void folderview_property_cb(GtkAction *action, gpointer data)
2416 {
2417         FolderView *folderview = (FolderView *)data;
2418         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2419         FolderItem *item;
2420
2421         if (!folderview->selected) return;
2422
2423         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2424         cm_return_if_fail(item != NULL);
2425         cm_return_if_fail(item->folder != NULL);
2426
2427         prefs_folder_item_open(item);
2428 }
2429
2430 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2431 {
2432         GSList *list = NULL;
2433         GSList *done = NULL;
2434         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2435
2436         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2437                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2438                 &&  list->data != node) {
2439                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2440                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2441                 }
2442         }
2443         for (list = done; list != NULL; list = g_slist_next(list)) {
2444                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2445                                                                  list->data);
2446         }
2447         g_slist_free(done);
2448 }
2449
2450 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2451                             FolderItem *to_folder, gboolean copy)
2452 {
2453         FolderItem *new_folder = NULL;
2454         gchar *buf;
2455         gint status;
2456
2457         cm_return_if_fail(folderview != NULL);
2458         cm_return_if_fail(from_folder != NULL);
2459         cm_return_if_fail(to_folder != NULL);
2460
2461         if (prefs_common.warn_dnd) {
2462                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2463                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2464                                         from_folder->name, to_folder->name);
2465                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2466                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2467                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2468                 g_free(buf);
2469
2470                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2471                         return;
2472                 else if (status & G_ALERTDISABLE)
2473                         prefs_common.warn_dnd = FALSE;
2474         }
2475
2476         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2477                                 from_folder->name, to_folder->name);
2478         STATUSBAR_PUSH(folderview->mainwin, buf);
2479         g_free(buf);
2480         summary_clear_all(folderview->summaryview);
2481         folderview->opened = NULL;
2482         folderview->selected = NULL;
2483         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2484         inc_lock();
2485         main_window_cursor_wait(folderview->mainwin);
2486
2487         statusbar_verbosity_set(FALSE);
2488         folder_item_update_freeze();
2489         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2490                 statusbar_verbosity_set(FALSE);
2491                 main_window_cursor_normal(folderview->mainwin);
2492                 STATUSBAR_POP(folderview->mainwin);
2493                 folder_item_update_thaw();
2494                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2495
2496                 folderview_sort_folders(folderview,
2497                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2498                                 NULL, to_folder), new_folder->folder);
2499                 folderview_select(folderview, new_folder);
2500         } else {
2501                 statusbar_verbosity_set(FALSE);
2502                 main_window_cursor_normal(folderview->mainwin);
2503                 STATUSBAR_POP(folderview->mainwin);
2504                 folder_item_update_thaw();
2505                 switch (status) {
2506                 case F_MOVE_FAILED_DEST_IS_PARENT:
2507                         alertpanel_error(_("Source and destination are the same."));
2508                         break;
2509                 case F_MOVE_FAILED_DEST_IS_CHILD:
2510                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2511                                                 _("Can't move a folder to one of its children."));
2512                         break;
2513                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2514                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2515                         break;
2516                 default:
2517                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2518                         break;
2519                 }
2520         }
2521         inc_unlock();
2522         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2523 }
2524
2525 static gint folderview_clist_compare(GtkCMCList *clist,
2526                                      gconstpointer ptr1, gconstpointer ptr2)
2527 {
2528         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2529         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2530
2531         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2532         {
2533                 return item1->order - item2->order;
2534         }
2535
2536         // if only one folder has an order it comes first
2537         if (item1->order > 0)
2538         {
2539                 return -1;
2540         }
2541         if (item2->order > 0)
2542         {
2543                 return 1;
2544         }
2545
2546         if (!item1->name)
2547                 return (item2->name != NULL);
2548         if (!item2->name)
2549                 return -1;
2550
2551         return g_utf8_collate(item1->name, item2->name);
2552 }
2553
2554 static void folderview_processing_cb(GtkAction *action, gpointer data)
2555 {
2556         FolderView *folderview = (FolderView *)data;
2557         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2558         FolderItem *item;
2559         gchar *id, *title;
2560
2561         if (!folderview->selected) return;
2562
2563         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2564         cm_return_if_fail(item != NULL);
2565         cm_return_if_fail(item->folder != NULL);
2566
2567         id = folder_item_get_identifier(item);
2568         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2569         g_free (id);
2570
2571         prefs_filtering_open(&item->prefs->processing, title,
2572                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2573         g_free (title);
2574 }
2575
2576 void folderview_set_target_folder_color(gint color_op)
2577 {
2578         gint firstone = 1;
2579         GList *list;
2580         FolderView *folderview;
2581
2582         for (list = folderview_list; list != NULL; list = list->next) {
2583                 folderview = (FolderView *)list->data;
2584                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2585                 if (firstone) {
2586                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2587                                 folderview->color_op;
2588                         firstone = 0;
2589                 }
2590         }
2591 }
2592
2593 static gchar *last_smallfont = NULL;
2594 static gchar *last_normalfont = NULL;
2595 static gchar *last_boldfont = NULL;
2596 static gboolean last_derive = 0;
2597
2598 void folderview_reinit_fonts(FolderView *folderview)
2599 {
2600         /* force reinit */
2601         g_free(last_smallfont);
2602         last_smallfont = NULL;
2603         g_free(last_normalfont);
2604         last_normalfont = NULL;
2605         g_free(last_boldfont);
2606         last_boldfont = NULL;
2607 }
2608
2609 void folderview_reflect_prefs(void)
2610 {
2611         gboolean update_font = FALSE;
2612         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2613         FolderItem *item = folderview_get_selected_item(folderview);
2614         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2615                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2616         gint height = gtk_adjustment_get_value(pos);
2617
2618         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2619                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2620                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2621                         last_derive != prefs_common.derive_from_normal_font)
2622                 update_font = TRUE;
2623
2624         g_free(last_smallfont);
2625         last_smallfont = g_strdup(SMALL_FONT);
2626         g_free(last_normalfont);
2627         last_normalfont = g_strdup(NORMAL_FONT);
2628         g_free(last_boldfont);
2629         last_boldfont = g_strdup(BOLD_FONT);
2630         last_derive = prefs_common.derive_from_normal_font;
2631
2632         if (update_font) {
2633                 normal_style = normal_color_style = bold_style =
2634                         bold_color_style = bold_tgtfold_style = NULL;
2635
2636                 folderview_init(folderview);
2637         }
2638         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2639         folderview_column_set_titles(folderview);
2640         folderview_set_all();
2641
2642         g_signal_handlers_block_by_func
2643                 (G_OBJECT(folderview->ctree),
2644                  G_CALLBACK(folderview_selected), folderview);
2645
2646         if (item) {
2647                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2648                         GTK_CMCTREE(folderview->ctree), NULL, item);
2649
2650                 folderview_select(folderview, item);
2651                 folderview->open_folder = FALSE;
2652                 folderview->selected = node;
2653         }
2654
2655         g_signal_handlers_unblock_by_func
2656                 (G_OBJECT(folderview->ctree),
2657                  G_CALLBACK(folderview_selected), folderview);
2658
2659         pos = gtk_scrolled_window_get_vadjustment(
2660                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2661         gtk_adjustment_set_value(pos, height);
2662         gtk_adjustment_changed(pos);
2663         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2664 }
2665
2666 static void drag_state_stop(FolderView *folderview)
2667 {
2668         if (folderview->drag_timer_id)
2669                 g_source_remove(folderview->drag_timer_id);
2670         folderview->drag_timer_id = 0;
2671         folderview->drag_node = NULL;
2672 }
2673
2674 static gboolean folderview_defer_expand(FolderView *folderview)
2675 {
2676         if (folderview->drag_node) {
2677                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2678                 if (folderview->drag_item->collapsed) {
2679                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2680                         folderview->nodes_to_recollapse = g_slist_append
2681                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2682                 }
2683         }
2684         folderview->drag_item  = NULL;
2685         folderview->drag_timer_id = 0;
2686         return FALSE;
2687 }
2688
2689 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2690 {
2691         /* the idea is that we call drag_state_start() whenever we want expansion to
2692          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2693          * we need to call drag_state_stop() */
2694         drag_state_stop(folderview);
2695         /* request expansion */
2696         if (0 != (folderview->drag_timer_id = g_timeout_add
2697                         (prefs_common.hover_timeout,
2698                          (GSourceFunc)folderview_defer_expand,
2699                          folderview))) {
2700                 folderview->drag_node = node;
2701                 folderview->drag_item = item;
2702         }
2703 }
2704 #ifndef GENERIC_UMPC
2705 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2706                                   FolderView       *folderview)
2707 {
2708         GdkDragContext *context;
2709
2710         cm_return_if_fail(folderview != NULL);
2711         if (folderview->selected == NULL) return;
2712         if (folderview->nodes_to_recollapse)
2713                 g_slist_free(folderview->nodes_to_recollapse);
2714         folderview->nodes_to_recollapse = NULL;
2715         context = gtk_drag_begin(widget, folderview->target_list,
2716                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2717         gtk_drag_set_icon_default(context);
2718 }
2719 #endif
2720 static void folderview_drag_data_get(GtkWidget        *widget,
2721                                      GdkDragContext   *drag_context,
2722                                      GtkSelectionData *selection_data,
2723                                      guint             info,
2724                                      guint             time,
2725                                      FolderView       *folderview)
2726 {
2727         FolderItem *item;
2728         GList *cur;
2729         gchar *source = NULL;
2730         if (info == TARGET_DUMMY) {
2731                 for (cur = GTK_CMCLIST(folderview->ctree)->selection;
2732                      cur != NULL; cur = cur->next) {
2733                         item = gtk_cmctree_node_get_row_data
2734                                 (GTK_CMCTREE(folderview->ctree),
2735                                  GTK_CMCTREE_NODE(cur->data));
2736                         if (item) {
2737                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2738                                 gtk_selection_data_set(selection_data,
2739                                                        gtk_selection_data_get_target(selection_data), 8,
2740                                                        source, strlen(source));
2741                                 break;
2742                         } else
2743                                 return;
2744                 }
2745         } else {
2746                 g_warning("unknown info %d\n", info);
2747         }
2748 }
2749
2750 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2751 {
2752         FolderUpdateData *hookdata;
2753         FolderView *folderview;
2754         GtkWidget *ctree;
2755
2756         hookdata = source;
2757         folderview = (FolderView *) userdata;
2758         cm_return_val_if_fail(hookdata != NULL, FALSE);
2759         cm_return_val_if_fail(folderview != NULL, FALSE);
2760
2761         ctree = folderview->ctree;
2762         cm_return_val_if_fail(ctree != NULL, FALSE);
2763
2764         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2765                 folderview_create_folder_node(folderview, hookdata->item);
2766         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2767                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2768                                 NULL, folder_item_parent(hookdata->item));
2769                 folderview_sort_folders(folderview, node, hookdata->folder);
2770         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2771                 GtkCMCTreeNode *node;
2772
2773                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2774                 if (node != NULL) {
2775                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2776                         if (folderview->selected == node)
2777                                 folderview->selected = NULL;
2778                         if (folderview->opened == node)
2779                                 folderview->opened = NULL;
2780                 }
2781         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2782                 folderview_set(folderview);
2783
2784         return FALSE;
2785 }
2786
2787 static gboolean folderview_dnd_scroll_cb(gpointer data)
2788 {
2789         FolderView *folderview = (FolderView *)data;
2790         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2791                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2792         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2793         gint max = (int)gtk_adjustment_get_upper(pos) -
2794                (int)gtk_adjustment_get_page_size(pos);
2795
2796         if (folderview->scroll_value == 0) {
2797                 folderview->scroll_timeout_id = 0;
2798                 return FALSE;
2799         }
2800
2801         if (folderview->scroll_value > 0 && new_val > max) {
2802                 new_val = max;
2803         } else if (folderview->scroll_value < 0 && new_val < 0) {
2804                 new_val = 0;
2805         }
2806         gtk_adjustment_set_value(pos, new_val);
2807
2808         return TRUE;
2809 }
2810
2811 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2812                                           GdkDragContext *context,
2813                                           gint            x,
2814                                           gint            y,
2815                                           guint           time,
2816                                           FolderView     *folderview)
2817 {
2818         gint row, column;
2819         FolderItem *item = NULL, *src_item = NULL;
2820         GtkCMCTreeNode *node = NULL;
2821         gboolean acceptable = FALSE;
2822         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2823                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2824         int height = (int)gtk_adjustment_get_page_size(pos);
2825         int total_height = (int)gtk_adjustment_get_upper(pos);
2826         int vpos = (int)gtk_adjustment_get_value(pos);
2827         int offset = prefs_common.show_col_headers ? 24:0;
2828         int dist;
2829
2830         if (gtk_cmclist_get_selection_info
2831                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
2832                 GtkWidget *srcwidget;
2833
2834                 if (y > height - (48 - offset) && height + vpos < total_height) {
2835                         dist = -(height - (48 - offset) - y);
2836                         folderview->scroll_value = 1.41f * (1+(dist / 6));
2837                 } else if (y < 72 - (24 - offset) && y >= 0) {
2838                         dist = 72 - (24 - offset) - y;
2839                         folderview->scroll_value = -1.41f * (1+(dist / 6));
2840                 } else {
2841                         folderview->scroll_value = 0;
2842                 }
2843                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
2844                         folderview->scroll_timeout_id =
2845                                 g_timeout_add(30, folderview_dnd_scroll_cb,
2846                                               folderview);
2847                 }
2848
2849                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2850                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2851                 src_item = folderview->summaryview->folder_item;
2852
2853                 srcwidget = gtk_drag_get_source_widget(context);
2854                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2855                         /* comes from summaryview */
2856                         /* we are copying messages, so only accept folder items that are not
2857                            the source item, are no root items and can copy messages */
2858                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2859                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2860                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2861                                 acceptable = TRUE;
2862                 } else if (srcwidget == folderview->ctree) {
2863                         /* comes from folderview */
2864                         /* we are moving folder items, only accept folders that are not
2865                            the source items and can copy messages and create folder items */
2866                         if (item && item->folder && src_item && src_item != item &&
2867                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2868                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2869                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2870                              || item->folder == src_item->folder))
2871                                 acceptable = TRUE;
2872                 } else {
2873                         /* comes from another app */
2874                         /* we are adding messages, so only accept folder items that are
2875                            no root items and can copy messages */
2876                         if (item && item->folder && folder_item_parent(item) != NULL
2877                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2878                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2879                                 acceptable = TRUE;
2880                 }
2881         }
2882
2883         if (acceptable || (src_item && src_item == item))
2884                 drag_state_start(folderview, node, item);
2885
2886         if (acceptable) {
2887                 g_signal_handlers_block_by_func
2888                         (G_OBJECT(widget),
2889                          G_CALLBACK(folderview_selected), folderview);
2890                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
2891                 g_signal_handlers_unblock_by_func
2892                         (G_OBJECT(widget),
2893                          G_CALLBACK(folderview_selected), folderview);
2894                 gdk_drag_status(context,
2895                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
2896                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2897         } else {
2898                 if (folderview->opened)
2899                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2900                 gdk_drag_status(context, 0, time);
2901         }
2902
2903         return acceptable;
2904 }
2905
2906 static void folderview_drag_leave_cb(GtkWidget      *widget,
2907                                      GdkDragContext *context,
2908                                      guint           time,
2909                                      FolderView     *folderview)
2910 {
2911         drag_state_stop(folderview);
2912         folderview->scroll_value = 0;
2913         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2914 }
2915
2916 static void free_info (gpointer stuff, gpointer data)
2917 {
2918         g_free(stuff);
2919 }
2920
2921 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2922                            guint time, FolderItem *item)
2923 {
2924         GList *list, *tmp;
2925         GSList *msglist = NULL;
2926         list = uri_list_extract_filenames(data);
2927         if (!(item && item->folder && folder_item_parent(item) != NULL
2928                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2929         {
2930                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2931                 debug_print("item doesn't fit\n");
2932                 return;
2933         }
2934         if (!list) {
2935                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2936                 debug_print("list is empty\n");
2937                 return;
2938         }
2939         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2940                 MsgFileInfo *info = NULL;
2941
2942                 if (file_is_email((gchar *)tmp->data)) {
2943                         info = g_new0(MsgFileInfo, 1);
2944                         info->msginfo = NULL;
2945                         info->file = (gchar *)tmp->data;
2946                         msglist = g_slist_prepend(msglist, info);
2947                         debug_print("file is a mail\n");
2948                 } else {
2949                         debug_print("file isn't a mail\n");
2950                 }
2951         }
2952         if (msglist) {
2953                 msglist = g_slist_reverse(msglist);
2954                 folder_item_add_msgs(item, msglist, FALSE);
2955                 g_slist_foreach(msglist, free_info, NULL);
2956                 g_slist_free(msglist);
2957                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2958         } else {
2959                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2960         }
2961         list_free_strings(list);
2962         g_list_free(list);
2963 }
2964
2965 static void folderview_drag_received_cb(GtkWidget        *widget,
2966                                         GdkDragContext   *drag_context,
2967                                         gint              x,
2968                                         gint              y,
2969                                         GtkSelectionData *data,
2970                                         guint             info,
2971                                         guint             time,
2972                                         FolderView       *folderview)
2973 {
2974         gint row, column;
2975         FolderItem *item = NULL, *src_item;
2976         GtkCMCTreeNode *node;
2977         int offset = prefs_common.show_col_headers ? 24:0;
2978
2979         folderview->scroll_value = 0;
2980
2981         if (info == TARGET_DUMMY) {
2982                 drag_state_stop(folderview);
2983                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
2984                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
2985                         /* comes from summaryview */
2986                         if (gtk_cmclist_get_selection_info
2987                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
2988                                 return;
2989
2990                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2991                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2992                         src_item = folderview->summaryview->folder_item;
2993
2994                         if (item->no_select) {
2995                                 alertpanel_error(_("The destination folder can only be used to "
2996                                                    "store subfolders."));
2997                                 return;
2998                         }
2999                         /* re-check (due to acceptable possibly set for folder moves */
3000                         if (!(item && item->folder && item->path && !item->no_select &&
3001                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3002                                 return;
3003                         }
3004                         if (item && src_item) {
3005                                 switch (gdk_drag_context_get_selected_action(drag_context)) {
3006                                 case GDK_ACTION_COPY:
3007                                         summary_copy_selected_to(folderview->summaryview, item);
3008                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3009                                         break;
3010                                 case GDK_ACTION_MOVE:
3011                                 case GDK_ACTION_DEFAULT:
3012                                 default:
3013                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3014                                                 summary_copy_selected_to(folderview->summaryview, item);
3015                                         else
3016                                                 summary_move_selected_to(folderview->summaryview, item);
3017                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3018                                 }
3019                         } else
3020                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3021                 } else {
3022                         /* comes from folderview */
3023                         char *source;
3024                         gboolean folder_is_normal = TRUE;
3025                         gboolean copy = (GDK_ACTION_COPY ==
3026                                 gdk_drag_context_get_selected_action(drag_context));
3027
3028                         source = (char *)gtk_selection_data_get_data(data) + 17;
3029                         if (gtk_cmclist_get_selection_info
3030                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3031                             || *source == 0) {
3032                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3033                                 return;
3034                         }
3035                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3036                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3037                         src_item = folder_find_item_from_identifier(source);
3038
3039                         folder_is_normal =
3040                                 src_item != NULL &&
3041                                 src_item->stype == F_NORMAL &&
3042                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3043                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3044                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3045                                 !folder_has_parent_of_type(src_item, F_TRASH);
3046                         if (!item || !src_item || !folder_is_normal) {
3047                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3048                                 return;
3049                         }
3050
3051                         folderview_move_folder(folderview, src_item, item, copy);
3052                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3053                 }
3054                 folderview->nodes_to_recollapse = NULL;
3055         } else if (info == TARGET_MAIL_URI_LIST) {
3056                 if (gtk_cmclist_get_selection_info
3057                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3058                         return;
3059
3060                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3061                 if (!node) {
3062                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3063                         debug_print("no node\n");
3064                         return;
3065                 }
3066                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3067                 if (!item) {
3068                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3069                         debug_print("no item\n");
3070                         return;
3071                 }
3072                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3073                         drag_context, time, item);
3074         }
3075 }
3076
3077 static void folderview_drag_end_cb(GtkWidget        *widget,
3078                                    GdkDragContext   *drag_context,
3079                                    FolderView       *folderview)
3080 {
3081         drag_state_stop(folderview);
3082         folderview->scroll_value = 0;
3083         g_slist_free(folderview->nodes_to_recollapse);
3084         folderview->nodes_to_recollapse = NULL;
3085 }
3086
3087 void folderview_register_popup(FolderViewPopup *fpopup)
3088 {
3089         GList *folderviews;
3090
3091         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3092                 FolderView *folderview = folderviews->data;
3093                 GtkActionGroup *factory;
3094
3095                 factory = create_action_group(folderview, fpopup);
3096                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3097         }
3098         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3099 }
3100
3101 void folderview_unregister_popup(FolderViewPopup *fpopup)
3102 {
3103         GList *folderviews;
3104
3105
3106         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3107                 FolderView *folderview = folderviews->data;
3108
3109                 g_hash_table_remove(folderview->popups, fpopup->klass);
3110         }
3111         g_hash_table_remove(folderview_popups, fpopup->klass);
3112 }