src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68
  69 #define COL_FOLDER_WIDTH        150
  70 #define COL_NUM_WIDTH           32
  71
  72 static GList *folderview_list = NULL;
  73
  74 static GtkStyle *normal_style;
  75 static GtkStyle *normal_color_style;
  76 static GtkStyle *bold_style;
  77 static GtkStyle *bold_color_style;
  78 static GtkStyle *bold_tgtfold_style;
  79
  80 static GdkPixmap *inboxxpm;
  81 static GdkBitmap *inboxxpmmask;
  82 static GdkPixmap *inboxhrmxpm;
  83 static GdkBitmap *inboxhrmxpmmask;
  84 static GdkPixmap *inboxopenxpm;
  85 static GdkBitmap *inboxopenxpmmask;
  86 static GdkPixmap *inboxopenhrmxpm;
  87 static GdkBitmap *inboxopenhrmxpmmask;
  88 static GdkPixmap *outboxxpm;
  89 static GdkBitmap *outboxxpmmask;
  90 static GdkPixmap *outboxhrmxpm;
  91 static GdkBitmap *outboxhrmxpmmask;
  92 static GdkPixmap *outboxopenxpm;
  93 static GdkBitmap *outboxopenxpmmask;
  94 static GdkPixmap *outboxopenhrmxpm;
  95 static GdkBitmap *outboxopenhrmxpmmask;
  96 static GdkPixmap *folderxpm;
  97 static GdkBitmap *folderxpmmask;
  98 static GdkPixmap *folderhrmxpm;
  99 static GdkBitmap *folderhrmxpmmask;
 100 static GdkPixmap *folderopenxpm;
 101 static GdkBitmap *folderopenxpmmask;
 102 static GdkPixmap *folderopenhrmxpm;
 103 static GdkBitmap *folderopenhrmxpmmask;
 104 static GdkPixmap *trashopenxpm;
 105 static GdkBitmap *trashopenxpmmask;
 106 static GdkPixmap *trashopenhrmxpm;
 107 static GdkBitmap *trashopenhrmxpmmask;
 108 static GdkPixmap *trashxpm;
 109 static GdkBitmap *trashxpmmask;
 110 static GdkPixmap *trashhrmxpm;
 111 static GdkBitmap *trashhrmxpmmask;
 112 static GdkPixmap *queuexpm;
 113 static GdkBitmap *queuexpmmask;
 114 static GdkPixmap *queuehrmxpm;
 115 static GdkBitmap *queuehrmxpmmask;
 116 static GdkPixmap *queueopenxpm;
 117 static GdkBitmap *queueopenxpmmask;
 118 static GdkPixmap *queueopenhrmxpm;
 119 static GdkBitmap *queueopenhrmxpmmask;
 120 static GdkPixmap *draftsxpm;
 121 static GdkBitmap *draftsxpmmask;
 122 static GdkPixmap *draftsopenxpm;
 123 static GdkBitmap *draftsopenxpmmask;
 124 static GdkPixmap *noselectxpm;
 125 static GdkBitmap *noselectxpmmask;
 126
 127 static GdkPixmap *m_inboxxpm;
 128 static GdkBitmap *m_inboxxpmmask;
 129 static GdkPixmap *m_inboxhrmxpm;
 130 static GdkBitmap *m_inboxhrmxpmmask;
 131 static GdkPixmap *m_inboxopenxpm;
 132 static GdkBitmap *m_inboxopenxpmmask;
 133 static GdkPixmap *m_inboxopenhrmxpm;
 134 static GdkBitmap *m_inboxopenhrmxpmmask;
 135 static GdkPixmap *m_outboxxpm;
 136 static GdkBitmap *m_outboxxpmmask;
 137 static GdkPixmap *m_outboxhrmxpm;
 138 static GdkBitmap *m_outboxhrmxpmmask;
 139 static GdkPixmap *m_outboxopenxpm;
 140 static GdkBitmap *m_outboxopenxpmmask;
 141 static GdkPixmap *m_outboxopenhrmxpm;
 142 static GdkBitmap *m_outboxopenhrmxpmmask;
 143 static GdkPixmap *m_folderxpm;
 144 static GdkBitmap *m_folderxpmmask;
 145 static GdkPixmap *m_folderhrmxpm;
 146 static GdkBitmap *m_folderhrmxpmmask;
 147 static GdkPixmap *m_folderopenxpm;
 148 static GdkBitmap *m_folderopenxpmmask;
 149 static GdkPixmap *m_folderopenhrmxpm;
 150 static GdkBitmap *m_folderopenhrmxpmmask;
 151 static GdkPixmap *m_trashopenxpm;
 152 static GdkBitmap *m_trashopenxpmmask;
 153 static GdkPixmap *m_trashopenhrmxpm;
 154 static GdkBitmap *m_trashopenhrmxpmmask;
 155 static GdkPixmap *m_trashxpm;
 156 static GdkBitmap *m_trashxpmmask;
 157 static GdkPixmap *m_trashhrmxpm;
 158 static GdkBitmap *m_trashhrmxpmmask;
 159 static GdkPixmap *m_queuexpm;
 160 static GdkBitmap *m_queuexpmmask;
 161 static GdkPixmap *m_queuehrmxpm;
 162 static GdkBitmap *m_queuehrmxpmmask;
 163 static GdkPixmap *m_queueopenxpm;
 164 static GdkBitmap *m_queueopenxpmmask;
 165 static GdkPixmap *m_queueopenhrmxpm;
 166 static GdkBitmap *m_queueopenhrmxpmmask;
 167 static GdkPixmap *m_draftsxpm;
 168 static GdkBitmap *m_draftsxpmmask;
 169 static GdkPixmap *m_draftsopenxpm;
 170 static GdkBitmap *m_draftsopenxpmmask;
 171
 172 static GdkPixmap *newxpm;
 173 static GdkBitmap *newxpmmask;
 174 static GdkPixmap *unreadxpm;
 175 static GdkBitmap *unreadxpmmask;
 176 static GdkPixmap *readxpm;
 177 static GdkBitmap *readxpmmask;
 178
 179
 180 static void folderview_select_node       (FolderView    *folderview,
 181                                           GtkCTreeNode  *node);
 182 static void folderview_set_folders       (FolderView    *folderview);
 183 static void folderview_sort_folders      (FolderView    *folderview,
 184                                           GtkCTreeNode  *root,
 185                                           Folder        *folder);
 186 static void folderview_append_folder     (FolderView    *folderview,
 187                                           Folder        *folder);
 188 static void folderview_update_node       (FolderView    *folderview,
 189                                           GtkCTreeNode  *node);
 190
 191 static gint folderview_clist_compare    (GtkCList       *clist,
 192                                          gconstpointer   ptr1,
 193                                          gconstpointer   ptr2);
 194
 195 /* callback functions */
 196 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 197                                                  GdkEventButton *event,
 198                                                  FolderView     *folderview);
 199 static gboolean folderview_button_released      (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 203                                          GdkEventKey    *event,
 204                                          FolderView     *folderview);
 205 static void folderview_selected         (GtkCTree       *ctree,
 206                                          GtkCTreeNode   *row,
 207                                          gint            column,
 208                                          FolderView     *folderview);
 209 static void folderview_tree_expanded    (GtkCTree       *ctree,
 210                                          GtkCTreeNode   *node,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 216                                          FolderView     *folderview);
 217 static void folderview_col_resized      (GtkCList       *clist,
 218                                          gint            column,
 219                                          gint            width,
 220                                          FolderView     *folderview);
 221
 222 static void mark_all_read_cb            (FolderView    *folderview,
 223                                          guint           action,
 224                                          GtkWidget      *widget);
 225
 226 static void folderview_empty_trash_cb   (FolderView     *folderview,
 227                                          guint           action,
 228                                          GtkWidget      *widget);
 229
 230 static void folderview_send_queue_cb    (FolderView     *folderview,
 231                                          guint           action,
 232                                          GtkWidget      *widget);
 233
 234 static void folderview_search_cb        (FolderView     *folderview,
 235                                          guint           action,
 236                                          GtkWidget      *widget);
 237
 238 static void folderview_property_cb      (FolderView     *folderview,
 239                                          guint           action,
 240                                          GtkWidget      *widget);
 241
 242 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 243                                           GdkDragContext *context,
 244                                           gint            x,
 245                                           gint            y,
 246                                           guint           time,
 247                                           FolderView     *folderview);
 248 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 249                                           GdkDragContext   *context,
 250                                           guint             time,
 251                                           FolderView       *folderview);
 252 static void folderview_drag_received_cb  (GtkWidget        *widget,
 253                                           GdkDragContext   *drag_context,
 254                                           gint              x,
 255                                           gint              y,
 256                                           GtkSelectionData *data,
 257                                           guint             info,
 258                                           guint             time,
 259                                           FolderView       *folderview);
 260 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 261                                           FolderView       *folderview);
 262 static void folderview_drag_data_get     (GtkWidget        *widget,
 263                                           GdkDragContext   *drag_context,
 264                                           GtkSelectionData *selection_data,
 265                                           guint             info,
 266                                           guint             time,
 267                                           FolderView       *folderview);
 268 static void folderview_drag_end_cb       (GtkWidget        *widget,
 269                                           GdkDragContext   *drag_context,
 270                                           FolderView       *folderview);
 271
 272 void folderview_create_folder_node       (FolderView       *folderview,
 273                                           FolderItem       *item);
 274 gboolean folderview_update_folder        (gpointer          source,
 275                                           gpointer          userdata);
 276 gboolean folderview_update_item_claws    (gpointer          source,
 277                                           gpointer          data);
 278 static void folderview_processing_cb(FolderView *folderview, guint action,
 279                                      GtkWidget *widget);
 280
 281 GHashTable *folderview_popups;
 282
 283 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 284 {
 285         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 286         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 287         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 288         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 289 };
 290
 291 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 292         {N_("/------trashsep"),                 NULL, NULL, 0, "<Separator>"},
 293         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 294 };
 295
 296 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 297         {N_("/------queuesep"),                 NULL, NULL, 0, "<Separator>"},
 298         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 299 };
 300
 301
 302 GtkTargetEntry folderview_drag_types[] =
 303 {
 304         {"sylpheed-claws/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 305         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 306 };
 307
 308 void folderview_initialize(void)
 309 {
 310         FolderViewPopup *fpopup;
 311         guint i, n_entries;
 312         GSList *entries = NULL;
 313
 314         fpopup = g_new0(FolderViewPopup, 1);
 315
 316         n_entries = sizeof(folderview_common_popup_entries) /
 317                 sizeof(folderview_common_popup_entries[0]);
 318         for (i = 0; i < n_entries; i++)
 319                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 320
 321         fpopup->klass = "common";
 322         fpopup->path = "<CommonFolder>";
 323         fpopup->entries = entries;
 324         fpopup->set_sensitivity = NULL;
 325
 326         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 327         g_hash_table_insert(folderview_popups, "common", fpopup);
 328 }
 329
 330 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 331 {
 332         GSList *entries;
 333         GtkItemFactory *factory;
 334         FolderViewPopup *fpopup_common;
 335         GtkWidget *popup;
 336
 337         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 338         gtk_item_factory_set_translate_func(factory, menu_translate,
 339                                             NULL, NULL);
 340
 341         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 342                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 343
 344         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 345         if (fpopup_common != fpopup)
 346                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 347                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 348
 349         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 350         g_signal_connect(G_OBJECT(popup), "selection_done",
 351                          G_CALLBACK(folderview_popup_close),
 352                          folderview);
 353
 354         return factory;
 355 }
 356
 357 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 358 {
 359         FolderView *folderview = data;
 360         FolderViewPopup *fpopup = value;
 361         GtkItemFactory *factory;
 362
 363         factory = create_ifactory(folderview, fpopup);
 364         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 365 }
 366
 367 static void folderview_column_set_titles(FolderView *folderview)
 368 {
 369         GtkWidget *ctree = folderview->ctree;
 370         GtkWidget *label_new;
 371         GtkWidget *label_unread;
 372         GtkWidget *label_total;
 373         GtkWidget *hbox_new;
 374         GtkWidget *hbox_unread;
 375         GtkWidget *hbox_total;
 376         gint *col_pos = folderview->col_pos;
 377
 378         debug_print("setting titles...\n");
 379         gtk_widget_realize(folderview->ctree);
 380         gtk_widget_show_all(folderview->scrolledwin);
 381
 382         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 383          * instead text (text overflows making them unreadable and ugly) */
 384         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 385                          &newxpm, &newxpmmask);
 386         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 387                          &unreadxpm, &unreadxpmmask);
 388         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 389                          &readxpm, &readxpmmask);
 390
 391         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 392         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 393         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 394
 395         hbox_new = gtk_hbox_new(FALSE, 4);
 396         hbox_unread = gtk_hbox_new(FALSE, 4);
 397         hbox_total = gtk_hbox_new(FALSE, 4);
 398
 399         /* left justified */
 400         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 401         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 402         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 403         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 404         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 405         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 406
 407         gtk_widget_show_all(hbox_new);
 408         gtk_widget_show_all(hbox_unread);
 409         gtk_widget_show_all(hbox_total);
 410
 411         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 412         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 413         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 414 }
 415
 416 GtkWidget *folderview_ctree_create(FolderView *folderview)
 417 {
 418         GtkWidget *ctree;
 419         gint *col_pos;
 420         FolderColumnState *col_state;
 421         FolderColumnType type;
 422         gchar *titles[N_FOLDER_COLS];
 423         gint i;
 424         GtkWidget *scrolledwin = folderview->scrolledwin;
 425
 426         debug_print("creating tree...\n");
 427         memset(titles, 0, sizeof(titles));
 428
 429         col_state = prefs_folder_column_get_config();
 430         memset(titles, 0, sizeof(titles));
 431
 432         col_pos = folderview->col_pos;
 433
 434         for (i = 0; i < N_FOLDER_COLS; i++) {
 435                 folderview->col_state[i] = col_state[i];
 436                 type = col_state[i].type;
 437                 col_pos[type] = i;
 438         }
 439
 440         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 441         titles[col_pos[F_COL_NEW]]    = _("New");
 442         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 443         /* TRANSLATORS: This in Number sign in American style */
 444         titles[col_pos[F_COL_TOTAL]]  = _("#");
 445
 446         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 447                                            titles);
 448
 449         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 450         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 451                                            GTK_JUSTIFY_RIGHT);
 452         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 453                                            col_pos[F_COL_UNREAD],
 454                                            GTK_JUSTIFY_RIGHT);
 455         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 456                                            col_pos[F_COL_TOTAL],
 457                                            GTK_JUSTIFY_RIGHT);
 458         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 459         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 460                                      GTK_CTREE_EXPANDER_SQUARE);
 461         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 462         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 463
 464         /* don't let title buttons take key focus */
 465         for (i = 0; i < N_FOLDER_COLS; i++) {
 466                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 467                                        GTK_CAN_FOCUS);
 468                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 469                                    prefs_common.folder_col_size[i]);
 470                 gtk_clist_set_column_visibility
 471                         (GTK_CLIST(ctree), i, col_state[i].visible);
 472         }
 473
 474         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 475                          G_CALLBACK(folderview_key_pressed),
 476                          folderview);
 477         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 478                          G_CALLBACK(folderview_button_pressed),
 479                          folderview);
 480         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 481                          G_CALLBACK(folderview_button_released),
 482                          folderview);
 483         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 484                          G_CALLBACK(folderview_selected), folderview);
 485         g_signal_connect(G_OBJECT(ctree), "start_drag",
 486                          G_CALLBACK(folderview_start_drag), folderview);
 487         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 488                          G_CALLBACK(folderview_drag_data_get),
 489                          folderview);
 490
 491         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 492                                G_CALLBACK(folderview_tree_expanded),
 493                                folderview);
 494         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 495                                G_CALLBACK(folderview_tree_collapsed),
 496                                folderview);
 497
 498         g_signal_connect(G_OBJECT(ctree), "resize_column",
 499                          G_CALLBACK(folderview_col_resized),
 500                          folderview);
 501
 502         /* drop callback */
 503         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 504                           folderview_drag_types, 2,
 505                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 506         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 507                          G_CALLBACK(folderview_drag_motion_cb),
 508                          folderview);
 509         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 510                          G_CALLBACK(folderview_drag_leave_cb),
 511                          folderview);
 512         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 513                          G_CALLBACK(folderview_drag_received_cb),
 514                          folderview);
 515         g_signal_connect(G_OBJECT(ctree), "drag_end",
 516                          G_CALLBACK(folderview_drag_end_cb),
 517                          folderview);
 518
 519         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 520
 521         return ctree;
 522 }
 523
 524 void folderview_set_column_order(FolderView *folderview)
 525 {
 526         GtkWidget *ctree;
 527         FolderItem *item = folderview_get_selected_item(folderview);
 528         GtkWidget *scrolledwin = folderview->scrolledwin;
 529
 530         debug_print("recreating tree...\n");
 531         gtk_widget_destroy(folderview->ctree);
 532
 533         folderview->ctree = ctree = folderview_ctree_create(folderview);
 534         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 535                                             GTK_CLIST(ctree)->hadjustment);
 536         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 537                                             GTK_CLIST(ctree)->vadjustment);
 538         gtk_widget_show(ctree);
 539
 540         folderview_set(folderview);
 541         folderview_column_set_titles(folderview);
 542
 543         folderview_select(folderview,item);
 544 }
 545
 546 FolderView *folderview_create(void)
 547 {
 548         FolderView *folderview;
 549         GtkWidget *scrolledwin;
 550         GtkWidget *ctree;
 551
 552         debug_print("Creating folder view...\n");
 553         folderview = g_new0(FolderView, 1);
 554
 555         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 556         gtk_scrolled_window_set_policy
 557                 (GTK_SCROLLED_WINDOW(scrolledwin),
 558                  GTK_POLICY_AUTOMATIC,
 559                  prefs_common.folderview_vscrollbar_policy);
 560         gtk_widget_set_size_request(scrolledwin,
 561                              prefs_common.folderview_width,
 562                              prefs_common.folderview_height);
 563
 564         folderview->scrolledwin  = scrolledwin;
 565         ctree = folderview_ctree_create(folderview);
 566
 567         /* create popup factories */
 568         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 569         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 570
 571         folderview->ctree        = ctree;
 572
 573         folderview->folder_update_callback_id =
 574                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 575         folderview->folder_item_update_callback_id =
 576                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 577
 578         gtk_widget_show_all(scrolledwin);
 579
 580         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 581         folderview_list = g_list_append(folderview_list, folderview);
 582
 583         return folderview;
 584 }
 585
 586 void folderview_init(FolderView *folderview)
 587 {
 588         GtkWidget *ctree = folderview->ctree;
 589         GdkColor gdk_color;
 590
 591         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 592         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 593         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 594         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 595         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 596         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 597         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 598         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 599         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 600         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 601         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 602         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 603         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 604         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 605         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 606         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 607         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 608         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 609         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 610         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 611         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 612         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 613         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 614
 615         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 616         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 617         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 618         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 619         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 620         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 621         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 622         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 623         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 624         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 625         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 626         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 627         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 628         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 629         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 630         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 631         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 632         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 633         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 634         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 635         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 636         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 637
 638         if (!normal_style) {
 639                 PangoFontDescription *font_desc;
 640                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 641                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 642                 if (font_desc) {
 643                         if (normal_style->font_desc)
 644                                 pango_font_description_free
 645                                         (normal_style->font_desc);
 646                         normal_style->font_desc = font_desc;
 647                 }
 648                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 649                 normal_color_style = gtk_style_copy(normal_style);
 650                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 651
 652                 gtk_widget_set_style(ctree, normal_style);
 653         }
 654
 655         if (!bold_style) {
 656                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 657                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 658                 pango_font_description_set_weight
 659                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 660                 bold_color_style = gtk_style_copy(bold_style);
 661                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 662
 663                 bold_tgtfold_style = gtk_style_copy(bold_style);
 664                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 665         }
 666 }
 667
 668 void folderview_set(FolderView *folderview)
 669 {
 670         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 671         MainWindow *mainwin = folderview->mainwin;
 672
 673         if (!mainwin)
 674                 return;
 675
 676         debug_print("Setting folder info...\n");
 677         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 678
 679         main_window_cursor_wait(mainwin);
 680
 681         folderview->selected = NULL;
 682         folderview->opened = NULL;
 683
 684         gtk_clist_freeze(GTK_CLIST(ctree));
 685         gtk_clist_clear(GTK_CLIST(ctree));
 686         gtk_clist_thaw(GTK_CLIST(ctree));
 687         gtk_clist_freeze(GTK_CLIST(ctree));
 688
 689         folderview_set_folders(folderview);
 690
 691         gtk_clist_thaw(GTK_CLIST(ctree));
 692         main_window_cursor_normal(mainwin);
 693         STATUSBAR_POP(mainwin);
 694 }
 695
 696 void folderview_set_all(void)
 697 {
 698         GList *list;
 699
 700         for (list = folderview_list; list != NULL; list = list->next)
 701                 folderview_set((FolderView *)list->data);
 702 }
 703
 704 void folderview_select(FolderView *folderview, FolderItem *item)
 705 {
 706         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 707         GtkCTreeNode *node;
 708         GtkCTreeNode *old_selected = folderview->selected;
 709
 710         if (!item) return;
 711
 712         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 713         if (node) folderview_select_node(folderview, node);
 714
 715         if (old_selected != node)
 716                 folder_update_op_count();
 717 }
 718
 719 static void mark_all_read_cb(FolderView *folderview, guint action,
 720                              GtkWidget *widget)
 721 {
 722         FolderItem *item;
 723         AlertValue val;
 724
 725         item = folderview_get_selected_item(folderview);
 726         if (item == NULL)
 727                 return;
 728
 729         if (folderview->summaryview->folder_item != item
 730         &&  prefs_common.ask_mark_all_read) {
 731                 val = alertpanel_full(_("Mark all as read"),
 732                         _("Do you really want to mark all mails in this "
 733                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 734                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 735
 736                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 737                         return;
 738                 else if (val & G_ALERTDISABLE)
 739                         prefs_common.ask_mark_all_read = FALSE;
 740         }
 741
 742         summary_lock(folderview->summaryview);
 743         folder_item_update_freeze();
 744         if (folderview->summaryview->folder_item == item)
 745                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 746         folderutils_mark_all_read(item);
 747         if (folderview->summaryview->folder_item == item)
 748                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 749         folder_item_update_thaw();
 750         summary_unlock(folderview->summaryview);
 751 }
 752
 753 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 754 {
 755         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 756
 757         g_return_if_fail(node != NULL);
 758
 759         folderview->open_folder = TRUE;
 760         gtkut_ctree_set_focus_row(ctree, node);
 761         gtk_ctree_select(ctree, node);
 762         if (folderview->summaryview->folder_item &&
 763             folderview->summaryview->folder_item->total_msgs > 0)
 764                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 765         else
 766                 gtk_widget_grab_focus(folderview->ctree);
 767
 768         gtkut_ctree_expand_parent_all(ctree, node);
 769 }
 770
 771 void folderview_unselect(FolderView *folderview)
 772 {
 773         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 774                 gtk_ctree_collapse
 775                         (GTK_CTREE(folderview->ctree), folderview->opened);
 776
 777         folderview->selected = folderview->opened = NULL;
 778 }
 779
 780 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 781                                                  GtkCTreeNode *node)
 782 {
 783         FolderItem *item;
 784
 785         if (node)
 786                 node = gtkut_ctree_node_next(ctree, node);
 787         else
 788                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 789
 790         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 791                 item = gtk_ctree_node_get_row_data(ctree, node);
 792                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 793                         return node;
 794         }
 795
 796         return NULL;
 797 }
 798
 799 void folderview_select_next_unread(FolderView *folderview)
 800 {
 801         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 802         GtkCTreeNode *node = NULL;
 803
 804         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 805             != NULL) {
 806                 folderview_select_node(folderview, node);
 807                 return;
 808         }
 809
 810         if (!folderview->opened ||
 811             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 812                 return;
 813         /* search again from the first node */
 814         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 815                 folderview_select_node(folderview, node);
 816 }
 817
 818 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 819                                                  GtkCTreeNode *node)
 820 {
 821         FolderItem *item;
 822
 823         if (node)
 824                 node = gtkut_ctree_node_next(ctree, node);
 825         else
 826                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 827
 828         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 829                 item = gtk_ctree_node_get_row_data(ctree, node);
 830                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 831                         return node;
 832         }
 833
 834         return NULL;
 835 }
 836
 837 void folderview_select_next_new(FolderView *folderview)
 838 {
 839         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 840         GtkCTreeNode *node = NULL;
 841
 842         if ((node = folderview_find_next_new(ctree, folderview->opened))
 843             != NULL) {
 844                 folderview_select_node(folderview, node);
 845                 return;
 846         }
 847
 848         if (!folderview->opened ||
 849             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 850                 return;
 851         /* search again from the first node */
 852         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 853                 folderview_select_node(folderview, node);
 854 }
 855
 856 FolderItem *folderview_get_selected_item(FolderView *folderview)
 857 {
 858         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 859
 860         if (!folderview->selected) return NULL;
 861         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 862 }
 863
 864 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 865 {
 866         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 867         static GtkCTreeNode *prev_row = NULL;
 868         FolderItem *item;
 869         gint new, unread, total;
 870         gchar *new_str, *unread_str, *total_str;
 871         gint *col_pos = folderview->col_pos;
 872
 873         if (!row) return;
 874
 875         item = gtk_ctree_node_get_row_data(ctree, row);
 876         if (!item) return;
 877
 878         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 879         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 880         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 881         new = atoi(new_str);
 882         unread = atoi(unread_str);
 883         total = atoi(total_str);
 884
 885         prev_row = row;
 886
 887         folderview_update_node(folderview, row);
 888 }
 889
 890 void folderview_append_item(FolderItem *item)
 891 {
 892         GList *list;
 893
 894         g_return_if_fail(item != NULL);
 895         g_return_if_fail(item->folder != NULL);
 896         if (folder_item_parent(item)) return;
 897
 898         for (list = folderview_list; list != NULL; list = list->next) {
 899                 FolderView *folderview = (FolderView *)list->data;
 900                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 901                 GtkCTreeNode *node, *child;
 902                 gint *col_pos = folderview->col_pos;
 903
 904                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 905                                                   folder_item_parent(item));
 906                 if (node) {
 907                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 908                         if (!child) {
 909                                 gchar *text[N_FOLDER_COLS] =
 910                                         {NULL, "0", "0", "0"};
 911
 912                                 gtk_clist_freeze(GTK_CLIST(ctree));
 913
 914                                 text[col_pos[F_COL_FOLDER]] = item->name;
 915                                 child = gtk_sctree_insert_node
 916                                         (ctree, node, NULL, text,
 917                                          FOLDER_SPACING,
 918                                          folderxpm, folderxpmmask,
 919                                          folderopenxpm, folderopenxpmmask,
 920                                          FALSE, FALSE);
 921                                 gtk_ctree_node_set_row_data(ctree, child, item);
 922                                 gtk_ctree_expand(ctree, node);
 923                                 folderview_update_node(folderview, child);
 924                                 folderview_sort_folders(folderview, node,
 925                                                         item->folder);
 926
 927                                 gtk_clist_thaw(GTK_CLIST(ctree));
 928                         }
 929                 }
 930         }
 931 }
 932
 933 static void folderview_set_folders(FolderView *folderview)
 934 {
 935         GList *list;
 936 #ifndef HAVE_LIBETPAN
 937         static gboolean missing_imap_warning = TRUE;
 938 #endif
 939         list = folder_get_list();
 940
 941         for (; list != NULL; list = list->next) {
 942 #ifndef HAVE_LIBETPAN
 943                 if ((FOLDER(list->data))
 944                 &&  (FOLDER(list->data))->klass
 945                 &&  (FOLDER(list->data))->klass->type == F_IMAP
 946                 &&  missing_imap_warning) {
 947                         missing_imap_warning = FALSE;
 948                         alertpanel_error(
 949                                 _("You have one or more IMAP accounts "
 950                                   "defined. However this version of "
 951                                   "Sylpheed-Claws has been built without "
 952                                   "IMAP support; your IMAP account(s) are "
 953                                   "disabled.\n\n"
 954                                   "You probably need to "
 955                                   "install libetpan and recompile "
 956                                   "Sylpheed-Claws."));
 957                 }
 958 #endif
 959                 folderview_append_folder(folderview, FOLDER(list->data));
 960         }
 961 }
 962
 963 static gchar *get_scan_str(FolderItem *item)
 964 {
 965         if (item->path)
 966                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
 967                                       item->folder->name, G_DIR_SEPARATOR,
 968                                       item->path);
 969         else
 970                 return g_strdup_printf(_("Scanning folder %s ..."),
 971                                       item->folder->name);
 972 }
 973 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 974                                       gpointer data)
 975 {
 976         GList *list;
 977         for (list = folderview_list; list != NULL; list = list->next) {
 978                 FolderView *folderview = (FolderView *)list->data;
 979                 MainWindow *mainwin = folderview->mainwin;
 980                 gchar *str = get_scan_str(item);
 981
 982                 STATUSBAR_PUSH(mainwin, str);
 983                 STATUSBAR_POP(mainwin);
 984                 g_free(str);
 985         }
 986 }
 987
 988 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
 989 {
 990         GtkWidget *window;
 991
 992         g_return_if_fail(folder != NULL);
 993
 994         if (!folder->klass->scan_tree) return;
 995
 996         if (rebuild &&
 997             alertpanel_full(_("Rebuild folder tree"),
 998                          _("Rebuilding the folder tree will remove "
 999                            "local caches. Do you want to continue?"),
1000                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1001                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1002                 != G_ALERTALTERNATE) {
1003                 return;
1004         }
1005
1006         inc_lock();
1007         if (rebuild)
1008                 window = label_window_create(_("Rebuilding folder tree..."));
1009         else
1010                 window = label_window_create(_("Scanning folder tree..."));
1011
1012         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1013         folder_scan_tree(folder, rebuild);
1014         folder_set_ui_func(folder, NULL, NULL);
1015
1016         folderview_set_all();
1017
1018         gtk_widget_destroy(window);
1019         inc_unlock();
1020 }
1021
1022 /** folderview_check_new()
1023  *  Scan and update the folder and return the
1024  *  count the number of new messages since last check.
1025  *  \param folder the folder to check for new messages
1026  *  \return the number of new messages since last check
1027  */
1028 gint folderview_check_new(Folder *folder)
1029 {
1030         GList *list;
1031         FolderItem *item;
1032         FolderView *folderview;
1033         GtkCTree *ctree;
1034         GtkCTreeNode *node;
1035         gint new_msgs = 0;
1036         gint former_new_msgs = 0;
1037         gint former_new = 0, former_unread = 0, former_total;
1038
1039         for (list = folderview_list; list != NULL; list = list->next) {
1040                 folderview = (FolderView *)list->data;
1041                 ctree = GTK_CTREE(folderview->ctree);
1042
1043                 inc_lock();
1044                 main_window_lock(folderview->mainwin);
1045
1046                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1047                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1048                         gchar *str = NULL;
1049                         item = gtk_ctree_node_get_row_data(ctree, node);
1050                         if (!item || !item->path || !item->folder) continue;
1051                         if (item->no_select) continue;
1052                         if (folder && folder != item->folder) continue;
1053                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1054                         if (!item->prefs->newmailcheck) continue;
1055                         if (item->processing_pending == TRUE) {
1056                                 debug_print("skipping %s, processing pending\n",
1057                                         item->path ? item->path : item->name);
1058                                 continue;
1059                         }
1060
1061                         str = get_scan_str(item);
1062
1063                         STATUSBAR_PUSH(folderview->mainwin, str);
1064
1065                         g_free(str);
1066
1067                         folderview_scan_tree_func(item->folder, item, NULL);
1068                         former_new    = item->new_msgs;
1069                         former_unread = item->unread_msgs;
1070                         former_total  = item->total_msgs;
1071
1072                         if (item->folder->klass->scan_required &&
1073                             (item->folder->klass->scan_required(item->folder, item) ||
1074                              item->folder->inbox == item ||
1075                              item->opened == TRUE ||
1076                              item->processing_pending == TRUE)) {
1077                                 if (folder_item_scan(item) < 0) {
1078                                         summaryview_unlock(folderview->summaryview, item);
1079                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1080                                                 STATUSBAR_POP(folderview->mainwin);
1081                                                 break;
1082                                         }
1083                                 }
1084                         } else if (!item->folder->klass->scan_required) {
1085                                 if (folder_item_scan(item) < 0) {
1086                                         summaryview_unlock(folderview->summaryview, item);
1087                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1088                                                 STATUSBAR_POP(folderview->mainwin);
1089                                                 break;
1090                                         }
1091                                 }
1092                         }
1093                         if (former_new    != item->new_msgs ||
1094                             former_unread != item->unread_msgs ||
1095                             former_total  != item->total_msgs)
1096                                 folderview_update_node(folderview, node);
1097
1098                         new_msgs += item->new_msgs;
1099                         former_new_msgs += former_new;
1100                         STATUSBAR_POP(folderview->mainwin);
1101                 }
1102
1103                 main_window_unlock(folderview->mainwin);
1104                 inc_unlock();
1105         }
1106
1107         folder_write_list();
1108         /* Number of new messages since last check is the just the difference
1109          * between former_new_msgs and new_msgs. If new_msgs is less than
1110          * former_new_msgs, that would mean another session accessed the folder
1111          * and the result is not well defined.
1112          */
1113         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1114         return new_msgs;
1115 }
1116
1117 void folderview_check_new_all(void)
1118 {
1119         GList *list;
1120         GtkWidget *window;
1121         FolderView *folderview;
1122
1123         folderview = (FolderView *)folderview_list->data;
1124
1125         inc_lock();
1126         main_window_lock(folderview->mainwin);
1127         window = label_window_create
1128                 (_("Checking for new messages in all folders..."));
1129
1130         list = folder_get_list();
1131         for (; list != NULL; list = list->next) {
1132                 Folder *folder = list->data;
1133
1134                 folderview_check_new(folder);
1135         }
1136
1137         folder_write_list();
1138         folderview_set_all();
1139
1140         gtk_widget_destroy(window);
1141         main_window_unlock(folderview->mainwin);
1142         inc_unlock();
1143 }
1144
1145 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1146                                                  FolderItem *item,
1147                                                  gboolean in_sub)
1148 {
1149         GNode *node = NULL;
1150
1151         if (!item || !item->folder || !item->folder->node)
1152                 return FALSE;
1153
1154         node = item->folder->node;
1155
1156         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1157         node = node->children;
1158
1159         if (in_sub &&
1160             (item->new_msgs > 0 ||
1161             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1162                 return TRUE;
1163         }
1164
1165         while (node != NULL) {
1166                 if (node && node->data) {
1167                         FolderItem *next_item = (FolderItem*) node->data;
1168                         node = node->next;
1169                         if (folderview_have_new_children_sub(folderview,
1170                                                              next_item, TRUE))
1171                                 return TRUE;
1172                 }
1173         }
1174
1175         return FALSE;
1176 }
1177
1178 static gboolean folderview_have_new_children(FolderView *folderview,
1179                                              FolderItem *item)
1180 {
1181         return folderview_have_new_children_sub(folderview, item, FALSE);
1182 }
1183
1184 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1185                                                     FolderItem *item,
1186                                                     gboolean in_sub)
1187 {
1188         GNode *node = NULL;
1189
1190         if (!item || !item->folder || !item->folder->node)
1191                 return FALSE;
1192
1193         node = item->folder->node;
1194
1195         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1196         node = node->children;
1197
1198         if (in_sub &&
1199             (item->unread_msgs > 0 ||
1200             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1201                 return TRUE;
1202         }
1203
1204         while (node != NULL) {
1205                 if (node && node->data) {
1206                         FolderItem *next_item = (FolderItem*) node->data;
1207                         node = node->next;
1208                         if (folderview_have_unread_children_sub(folderview,
1209                                                                 next_item,
1210                                                                 TRUE))
1211                                 return TRUE;
1212                 }
1213         }
1214
1215         return FALSE;
1216 }
1217
1218 static gboolean folderview_have_unread_children(FolderView *folderview,
1219                                                 FolderItem *item)
1220 {
1221         return folderview_have_unread_children_sub(folderview, item, FALSE);
1222 }
1223
1224 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1225                                                       FolderItem *item,
1226                                                       gboolean in_sub)
1227 {
1228         GNode *node = NULL;
1229
1230         if (!item || !item->folder || !item->folder->node)
1231                 return FALSE;
1232
1233         node = item->folder->node;
1234
1235         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1236         node = node->children;
1237
1238         if (in_sub && item->search_match){
1239                 return TRUE;
1240         }
1241
1242         while (node != NULL) {
1243                 if (node && node->data) {
1244                         FolderItem *next_item = (FolderItem*) node->data;
1245                         node = node->next;
1246                         if (folderview_have_matching_children_sub(folderview,
1247                                                                   next_item,
1248                                                                   TRUE))
1249                                 return TRUE;
1250                 }
1251         }
1252
1253         return FALSE;
1254 }
1255
1256 static gboolean folderview_have_matching_children(FolderView *folderview,
1257                                                   FolderItem *item)
1258 {
1259         return folderview_have_matching_children_sub(folderview, item, FALSE);
1260 }
1261
1262 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1263                                                     FolderItem *item,
1264                                                     gboolean in_sub)
1265 {
1266         GNode *node = NULL;
1267
1268         if (!item || !item->folder || !item->folder->node)
1269                 return FALSE;
1270
1271         node = item->folder->node;
1272
1273         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1274         node = node->children;
1275
1276         if (item->marked_msgs != 0) {
1277                 return TRUE;
1278         }
1279
1280         while (node != NULL) {
1281                 if (node && node->data) {
1282                         FolderItem *next_item = (FolderItem*) node->data;
1283                         node = node->next;
1284                         if (folderview_have_marked_children_sub(folderview,
1285                                                                 next_item, TRUE))
1286                                 return TRUE;
1287                 }
1288         }
1289
1290         return FALSE;
1291 }
1292
1293 static gboolean folderview_have_marked_children(FolderView *folderview,
1294                                              FolderItem *item)
1295 {
1296         return folderview_have_marked_children_sub(folderview, item, FALSE);
1297 }
1298
1299 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1300 {
1301         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1302         GtkStyle *style = NULL;
1303         GtkStyle *color_style = NULL;
1304         FolderItem *item;
1305         GdkPixmap *xpm, *openxpm;
1306         GdkBitmap *mask, *openmask;
1307         static GdkPixmap *searchicon;
1308         static GdkBitmap *searchmask;
1309         gboolean mark = FALSE;
1310         gchar *name;
1311         gchar *str;
1312         gboolean add_unread_mark;
1313         gboolean add_sub_match_mark;
1314         gboolean use_bold, use_color;
1315         gint *col_pos = folderview->col_pos;
1316         SpecialFolderItemType stype;
1317
1318         item = gtk_ctree_node_get_row_data(ctree, node);
1319         g_return_if_fail(item != NULL);
1320
1321         if (!GTK_CTREE_ROW(node)->expanded)
1322                 mark = folderview_have_marked_children(folderview, item);
1323         else
1324                 mark = (item->marked_msgs != 0);
1325
1326         stype = item->stype;
1327         if (stype == F_NORMAL) {
1328                 if (folder_has_parent_of_type(item, F_TRASH))
1329                         stype = F_TRASH;
1330                 else if (folder_has_parent_of_type(item, F_DRAFT))
1331                         stype = F_DRAFT;
1332                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1333                         stype = F_OUTBOX;
1334                 else if (folder_has_parent_of_type(item, F_QUEUE))
1335                         stype = F_QUEUE;
1336         }
1337         switch (stype) {
1338         case F_INBOX:
1339                 if (item->hide_read_msgs) {
1340                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1341                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1342                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1343                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1344                 } else {
1345                         xpm = mark?m_inboxxpm:inboxxpm;
1346                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1347                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1348                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1349                 }
1350                 break;
1351         case F_OUTBOX:
1352                 if (item->hide_read_msgs) {
1353                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1354                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1355                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1356                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1357                 } else {
1358                         xpm = mark?m_outboxxpm:outboxxpm;
1359                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1360                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1361                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1362                 }
1363                 break;
1364         case F_QUEUE:
1365                 if (item->hide_read_msgs) {
1366                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1367                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1368                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1369                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1370                 } else {
1371                         xpm = mark?m_queuexpm:queuexpm;
1372                         mask = mark?m_queuexpmmask:queuexpmmask;
1373                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1374                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1375                 }
1376                 break;
1377         case F_TRASH:
1378                 if (item->hide_read_msgs) {
1379                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1380                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1381                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1382                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1383                 } else {
1384                         xpm = mark?m_trashxpm:trashxpm;
1385                         mask = mark?m_trashxpmmask:trashxpmmask;
1386                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1387                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1388                 }
1389                 break;
1390         case F_DRAFT:
1391                 xpm = mark?m_draftsxpm:draftsxpm;
1392                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1393                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1394                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1395                 break;
1396         default:
1397                 if (item->hide_read_msgs) {
1398                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1399                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1400                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1401                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1402                 } else {
1403                         xpm = mark?m_folderxpm:folderxpm;
1404                         mask = mark?m_folderxpmmask:folderxpmmask;
1405                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1406                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1407                 }
1408         }
1409
1410         if (item->no_select) {
1411                 xpm = openxpm = noselectxpm;
1412                 mask = openmask = noselectxpmmask;
1413         }
1414
1415         name = folder_item_get_name(item);
1416
1417         if (!GTK_CTREE_ROW(node)->expanded) {
1418                 add_unread_mark = folderview_have_unread_children(
1419                                         folderview, item);
1420                 add_sub_match_mark = folderview_have_matching_children(
1421                                         folderview, item);
1422         } else {
1423                 add_unread_mark = FALSE;
1424                 add_sub_match_mark = FALSE;
1425         }
1426
1427         if (item->search_match) {
1428                 if (!searchicon) {
1429                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1430                          &searchicon, &searchmask);
1431                 }
1432                 xpm = openxpm = searchicon;
1433                 mask = openmask = searchmask;
1434         }
1435
1436         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1437             prefs_common.display_folder_unread) {
1438                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1439                                       add_unread_mark ? "+" : "");
1440                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1441                                         xpm, mask, openxpm, openmask,
1442                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1443                 g_free(str);
1444         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1445                     prefs_common.display_folder_unread)
1446                    || add_sub_match_mark) {
1447
1448                 if (item->unread_msgs > 0)
1449                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1450                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1451                                               item->unreadmarked_msgs > 0 ? "!":"");
1452                 else
1453                         str = g_strdup_printf("%s (+)", name);
1454                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1455                                         xpm, mask, openxpm, openmask,
1456                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1457                 g_free(str);
1458         } else {
1459                 str = g_strdup_printf("%s%s", name,
1460                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1461
1462                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1463                                         xpm, mask, openxpm, openmask,
1464                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1465                 g_free(str);
1466         }
1467         g_free(name);
1468
1469         if (!folder_item_parent(item)) {
1470                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1471                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1472                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1473         } else {
1474                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1475                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1476                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1477         }
1478
1479         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1480             folder_has_parent_of_type(item, F_DRAFT) ||
1481             folder_has_parent_of_type(item, F_TRASH)) {
1482                 use_bold = use_color = FALSE;
1483         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1484                 /* highlight queue folder if there are any messages */
1485                 use_bold = use_color = (item->total_msgs > 0);
1486         } else {
1487                 /* if unread messages exist, print with bold font */
1488                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1489                                 || add_unread_mark;
1490                 /* if new messages exist, print with colored letter */
1491                 use_color =
1492                         (item->new_msgs > 0) ||
1493                         (add_unread_mark &&
1494                          folderview_have_new_children(folderview, item));
1495         }
1496
1497         gtk_ctree_node_set_foreground(ctree, node, NULL);
1498
1499         if (use_bold) {
1500                 GdkColor gdk_color;
1501
1502                 if (item->prefs->color > 0 && !use_color) {
1503                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1504                         color_style = gtk_style_copy(bold_style);
1505                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1506                         style = color_style;
1507                 } else if (use_color) {
1508                         style = bold_color_style;
1509                 } else
1510                         style = bold_style;
1511                 if (item->op_count > 0) {
1512                         style = bold_tgtfold_style;
1513                 }
1514         } else if (use_color) {
1515                 style = normal_color_style;
1516                 gtk_ctree_node_set_foreground(ctree, node,
1517                                               &folderview->color_new);
1518         } else if (item->op_count > 0) {
1519                 style = bold_tgtfold_style;
1520         } else if (item->prefs->color > 0) {
1521                 GdkColor gdk_color;
1522                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1523                 color_style = gtk_style_copy(normal_style);
1524                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1525                 style = color_style;
1526         } else {
1527                 style = normal_style;
1528         }
1529
1530         gtk_ctree_node_set_row_style(ctree, node, style);
1531
1532         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1533                 folderview_update_node(folderview, node);
1534 }
1535
1536 #if !CLAWS /* keep it here for syncs */
1537 void folderview_update_item(FolderItem *item, gboolean update_summary)
1538 {
1539         GList *list;
1540         FolderView *folderview;
1541         GtkCTree *ctree;
1542         GtkCTreeNode *node;
1543
1544         g_return_if_fail(item != NULL);
1545
1546         for (list = folderview_list; list != NULL; list = list->next) {
1547                 folderview = (FolderView *)list->data;
1548                 ctree = GTK_CTREE(folderview->ctree);
1549
1550                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1551                 if (node) {
1552                         folderview_update_node(folderview, node);
1553                         if (update_summary && folderview->opened == node)
1554                                 summary_show(folderview->summaryview,
1555                                              item, FALSE);
1556                 }
1557         }
1558 }
1559 #endif
1560
1561 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1562 {
1563         GList *list;
1564         FolderView *folderview;
1565         GtkCTree *ctree;
1566         GtkCTreeNode *node;
1567
1568         g_return_if_fail(item != NULL);
1569
1570         for (list = folderview_list; list != NULL; list = list->next) {
1571                 folderview = (FolderView *)list->data;
1572                 ctree = GTK_CTREE(folderview->ctree);
1573
1574                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1575                 if (node) {
1576                         item->search_match = matches;
1577                         folderview_update_node(folderview, node);
1578                 }
1579         }
1580 }
1581
1582 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1583 {
1584         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1585         FolderView *folderview = (FolderView *)data;
1586         GtkCTree *ctree;
1587         GtkCTreeNode *node;
1588         g_return_val_if_fail(update_info != NULL, TRUE);
1589         g_return_val_if_fail(update_info->item != NULL, TRUE);
1590         g_return_val_if_fail(folderview != NULL, FALSE);
1591
1592         ctree = GTK_CTREE(folderview->ctree);
1593
1594         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1595         if (node) {
1596                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1597                         folderview_update_node(folderview, node);
1598                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1599                         summary_show(folderview->summaryview, update_info->item);
1600         }
1601
1602         return FALSE;
1603 }
1604
1605 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1606                                                 gpointer data)
1607 {
1608         /* CLAWS: share this joy with other hook functions ... */
1609         folder_item_update((FolderItem *)key,
1610                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1611 }
1612
1613 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1614 {
1615         GList *list;
1616         FolderItemUpdateFlags flags;
1617
1618         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1619                 : 0;
1620         for (list = folderview_list; list != NULL; list = list->next)
1621                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1622                                      GINT_TO_POINTER(flags));
1623 }
1624
1625 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1626                                       GNode *gnode, GtkCTreeNode *cnode,
1627                                       gpointer data)
1628 {
1629         FolderView *folderview = (FolderView *)data;
1630         FolderItem *item = FOLDER_ITEM(gnode->data);
1631
1632         g_return_val_if_fail(item != NULL, FALSE);
1633
1634         gtk_ctree_node_set_row_data(ctree, cnode, item);
1635         folderview_update_node(folderview, cnode);
1636
1637         return TRUE;
1638 }
1639
1640 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1641                                    gpointer data)
1642 {
1643         FolderView *folderview = (FolderView *)data;
1644         FolderItem *item;
1645
1646         if (GTK_CTREE_ROW(node)->children) {
1647                 item = gtk_ctree_node_get_row_data(ctree, node);
1648                 g_return_if_fail(item != NULL);
1649
1650                 if (!item->collapsed)
1651                         gtk_ctree_expand(ctree, node);
1652                 else
1653                         folderview_update_node(folderview, node);
1654         }
1655 }
1656
1657 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1658                                GtkCTreeNode *root, GtkCTreeNode **prev)
1659 {
1660         if (item) {
1661                 GtkCTreeNode *node, *parent, *sibling;
1662
1663                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1664                 if (!node)
1665                         g_warning("%s not found.\n", item->path);
1666                 else {
1667                         parent = GTK_CTREE_ROW(node)->parent;
1668                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1669                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1670                         else
1671                                 sibling = GTK_CTREE_ROW(parent)->children;
1672                         while (sibling) {
1673                                 FolderItem *tmp;
1674
1675                                 tmp = gtk_ctree_node_get_row_data
1676                                         (ctree, sibling);
1677                                 if (tmp->stype != F_NORMAL)
1678                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1679                                 else
1680                                         break;
1681                         }
1682                         if (node != sibling)
1683                                 gtk_ctree_move(ctree, node, parent, sibling);
1684                 }
1685
1686                 *prev = node;
1687         }
1688 }
1689
1690 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1691                                     Folder *folder)
1692 {
1693         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1694         GtkCTreeNode *prev = NULL;
1695
1696         gtk_sctree_sort_recursive(ctree, root);
1697
1698         if (root && GTK_CTREE_ROW(root)->parent) return;
1699
1700         set_special_folder(ctree, folder->inbox, root, &prev);
1701         set_special_folder(ctree, folder->outbox, root, &prev);
1702         set_special_folder(ctree, folder->draft, root, &prev);
1703         set_special_folder(ctree, folder->queue, root, &prev);
1704         set_special_folder(ctree, folder->trash, root, &prev);
1705 }
1706
1707 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1708 {
1709         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1710         GtkCTreeNode *root;
1711
1712         g_return_if_fail(folder != NULL);
1713
1714         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1715                                       folderview_gnode_func, folderview);
1716         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1717                                 folderview);
1718         folderview_sort_folders(folderview, root, folder);
1719 }
1720
1721 /* callback functions */
1722
1723 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1724                                           FolderView *folderview)
1725 {
1726         GtkCList *clist = GTK_CLIST(ctree);
1727         gint prev_row = -1, row = -1, column = -1;
1728         FolderItem *item;
1729         Folder *folder;
1730         FolderViewPopup *fpopup;
1731         GtkItemFactory *fpopup_factory;
1732         GtkWidget *popup;
1733         FolderItem *special_trash = NULL, *special_queue = NULL;
1734         PrefsAccount *ac;
1735
1736         if (!event) return FALSE;
1737
1738         if (event->button == 1 || event->button == 2) {
1739                 folderview->open_folder = TRUE;
1740
1741                 if (event->type == GDK_2BUTTON_PRESS) {
1742                         if (clist->selection) {
1743                                 GtkCTreeNode *node;
1744
1745                                 node = GTK_CTREE_NODE(clist->selection->data);
1746                                 if (node)
1747                                         gtk_ctree_toggle_expansion(
1748                                                 GTK_CTREE(ctree),
1749                                                 node);
1750                         }
1751                 }
1752                 return FALSE;
1753         }
1754
1755         if (event->button == 2 || event->button == 3) {
1756                 /* right clicked */
1757                 if (clist->selection) {
1758                         GtkCTreeNode *node;
1759
1760                         node = GTK_CTREE_NODE(clist->selection->data);
1761                         if (node)
1762                                 prev_row = gtkut_ctree_get_nth_from_node
1763                                         (GTK_CTREE(ctree), node);
1764                 }
1765
1766                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1767                                                   &row, &column))
1768                         return FALSE;
1769                 if (prev_row != row) {
1770                         gtk_clist_unselect_all(clist);
1771                         if (event->button == 2)
1772                                 folderview_select_node
1773                                         (folderview,
1774                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1775                                                             row));
1776                         else
1777                                 gtk_clist_select_row(clist, row, column);
1778                 }
1779         }
1780
1781         if (event->button != 3) return FALSE;
1782
1783         item = gtk_clist_get_row_data(clist, row);
1784         g_return_val_if_fail(item != NULL, FALSE);
1785         g_return_val_if_fail(item->folder != NULL, FALSE);
1786         folder = item->folder;
1787
1788         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1789         if (fpopup != NULL)
1790                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1791         else {
1792                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1793                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1794         }
1795
1796         if (fpopup->set_sensitivity != NULL)
1797                 fpopup->set_sensitivity(fpopup_factory, item);
1798
1799         if (NULL != (ac = account_find_from_item(item))) {
1800                 special_trash = account_get_special_folder(ac, F_TRASH);
1801                 special_queue = account_get_special_folder(ac, F_QUEUE);
1802         }
1803
1804         if ((item == folder->trash || item == special_trash
1805              || folder_has_parent_of_type(item, F_TRASH)) &&
1806             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1807                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1808                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1809         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1810                 && !folder_has_parent_of_type(item, F_TRASH)) {
1811                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1812                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1813         }
1814
1815         if ((item == folder->queue || item == special_queue
1816              || folder_has_parent_of_type(item, F_QUEUE)) &&
1817             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1818                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1819                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1820         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1821                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1822                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1823                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1824         }
1825
1826 #define SET_SENS(name, sens) \
1827         menu_set_sensitive(fpopup_factory, name, sens)
1828
1829         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1830         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1831                  folderview->selected == folderview->opened);
1832         SET_SENS("/Properties...", TRUE);
1833         SET_SENS("/Processing...", item->node->parent != NULL);
1834         if (item == folder->trash || item == special_trash
1835             || folder_has_parent_of_type(item, F_TRASH)) {
1836                 GSList *msglist = folder_item_get_msg_list(item);
1837                 SET_SENS("/Empty trash...", msglist != NULL);
1838                 procmsg_msg_list_free(msglist);
1839         }
1840         if (item == folder->queue || item == special_queue
1841             || folder_has_parent_of_type(item, F_QUEUE)) {
1842                 GSList *msglist = folder_item_get_msg_list(item);
1843                 SET_SENS("/Send queue...", msglist != NULL);
1844                 procmsg_msg_list_free(msglist);
1845         }
1846 #undef SET_SENS
1847
1848         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1849         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1850                        event->button, event->time);
1851
1852         return FALSE;
1853 }
1854
1855 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1856                                            FolderView *folderview)
1857 {
1858         if (!event) return FALSE;
1859
1860         if (event->button == 1 && folderview->open_folder == FALSE &&
1861             folderview->opened != NULL) {
1862                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1863                                           folderview->opened);
1864                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1865         }
1866
1867         return FALSE;
1868 }
1869
1870 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1871                                        FolderView *folderview)
1872 {
1873         if (!event) return FALSE;
1874
1875         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1876                 return FALSE;
1877
1878         switch (event->keyval) {
1879         case GDK_Return:
1880                 if (folderview->selected) {
1881                         folderview_select_node(folderview,
1882                                                folderview->selected);
1883                 }
1884                 break;
1885         case GDK_space:
1886                 if (folderview->selected) {
1887                         if (folderview->opened == folderview->selected &&
1888                             (!folderview->summaryview->folder_item ||
1889                              folderview->summaryview->folder_item->total_msgs == 0))
1890                                 folderview_select_next_unread(folderview);
1891                         else
1892                                 folderview_select_node(folderview,
1893                                                        folderview->selected);
1894                 }
1895                 break;
1896         default:
1897                 break;
1898         }
1899
1900         return FALSE;
1901 }
1902
1903 typedef struct _PostponedSelectData
1904 {
1905         GtkCTree *ctree;
1906         GtkCTreeNode *row;
1907         gint column;
1908         FolderView *folderview;
1909 } PostponedSelectData;
1910
1911 static gboolean postpone_select(void *data)
1912 {
1913         PostponedSelectData *psdata = (PostponedSelectData *)data;
1914         debug_print("trying again\n");
1915         psdata->folderview->open_folder = TRUE;
1916         main_window_cursor_normal(psdata->folderview->mainwin);
1917         STATUSBAR_POP(psdata->folderview->mainwin);
1918         folderview_selected(psdata->ctree, psdata->row,
1919                             psdata->column, psdata->folderview);
1920         g_free(psdata);
1921         return FALSE;
1922 }
1923
1924 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1925                                 gint column, FolderView *folderview)
1926 {
1927         static gboolean can_select = TRUE;      /* exclusive lock */
1928         gboolean opened;
1929         FolderItem *item;
1930         gchar *buf;
1931         int res = 0;
1932
1933         folderview->selected = row;
1934
1935         if (folderview->opened == row) {
1936                 folderview->open_folder = FALSE;
1937                 return;
1938         }
1939
1940         if (!can_select || summary_is_locked(folderview->summaryview)) {
1941                 if (folderview->opened) {
1942                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
1943                         gtk_ctree_select(ctree, folderview->opened);
1944                 }
1945                 return;
1946         }
1947
1948         if (!folderview->open_folder) return;
1949
1950         item = gtk_ctree_node_get_row_data(ctree, row);
1951         if (!item || item->no_select) return;
1952
1953         can_select = FALSE;
1954
1955         /* Save cache for old folder */
1956         /* We don't want to lose all caches if sylpheed crashed */
1957         if (folderview->opened) {
1958                 FolderItem *olditem;
1959
1960                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1961                 if (olditem) {
1962                         /* will be null if we just moved the previously opened folder */
1963                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1964                         summary_show(folderview->summaryview, NULL);
1965                         folder_item_close(olditem);
1966                 }
1967         }
1968
1969         /* CLAWS: set compose button type: news folder items
1970          * always have a news folder as parent */
1971         if (item->folder)
1972                 toolbar_set_compose_button
1973                         (folderview->mainwin->toolbar,
1974                          FOLDER_TYPE(item->folder) == F_NEWS ?
1975                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1976
1977         if (item->path)
1978                 debug_print("Folder %s is selected\n", item->path);
1979
1980         if (!GTK_CTREE_ROW(row)->children)
1981                 gtk_ctree_expand(ctree, row);
1982         if (folderview->opened &&
1983             !GTK_CTREE_ROW(folderview->opened)->children)
1984                 gtk_ctree_collapse(ctree, folderview->opened);
1985
1986         /* ungrab the mouse event */
1987         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1988                 gtk_grab_remove(GTK_WIDGET(ctree));
1989                 if (gdk_pointer_is_grabbed())
1990                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1991         }
1992
1993         /* Open Folder */
1994         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1995                                         item->path : "(null)");
1996         debug_print("%s\n", buf);
1997         STATUSBAR_PUSH(folderview->mainwin, buf);
1998         g_free(buf);
1999
2000         main_window_cursor_wait(folderview->mainwin);
2001
2002         res = folder_item_open(item);
2003         if (res == -1) {
2004                 main_window_cursor_normal(folderview->mainwin);
2005                 STATUSBAR_POP(folderview->mainwin);
2006
2007                 alertpanel_error(_("Folder could not be opened."));
2008
2009                 folderview->open_folder = FALSE;
2010                 can_select = TRUE;
2011
2012                 return;
2013         } else if (res == -2) {
2014                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2015                 data->ctree = ctree;
2016                 data->row = row;
2017                 data->column = column;
2018                 data->folderview = folderview;
2019                 debug_print("postponing open of %s till end of scan\n",
2020                         item->path ? item->path:item->name);
2021                 folderview->open_folder = FALSE;
2022                 can_select = TRUE;
2023                 g_timeout_add(500, postpone_select, data);
2024                 return;
2025         }
2026
2027         main_window_cursor_normal(folderview->mainwin);
2028
2029         /* Show messages */
2030         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2031         opened = summary_show(folderview->summaryview, item);
2032
2033         folder_clean_cache_memory(item);
2034
2035         if (!opened) {
2036                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2037                 gtk_ctree_select(ctree, folderview->opened);
2038         } else {
2039                 folderview->opened = row;
2040                 if (gtk_ctree_node_is_visible(ctree, row)
2041                     != GTK_VISIBILITY_FULL)
2042                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2043         }
2044
2045         STATUSBAR_POP(folderview->mainwin);
2046
2047         folderview->open_folder = FALSE;
2048         can_select = TRUE;
2049 }
2050
2051 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2052                                      FolderView *folderview)
2053 {
2054         FolderItem *item;
2055
2056         item = gtk_ctree_node_get_row_data(ctree, node);
2057         g_return_if_fail(item != NULL);
2058         item->collapsed = FALSE;
2059         folderview_update_node(folderview, node);
2060 }
2061
2062 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2063                                       FolderView *folderview)
2064 {
2065         FolderItem *item;
2066
2067         item = gtk_ctree_node_get_row_data(ctree, node);
2068         g_return_if_fail(item != NULL);
2069         item->collapsed = TRUE;
2070         folderview_update_node(folderview, node);
2071 }
2072
2073 static void folderview_popup_close(GtkMenuShell *menu_shell,
2074                                    FolderView *folderview)
2075 {
2076         if (!folderview->opened) return;
2077
2078         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2079 }
2080
2081 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2082                                    FolderView *folderview)
2083 {
2084         FolderColumnType type = folderview->col_state[column].type;
2085
2086         prefs_common.folder_col_size[type] = width;
2087 }
2088
2089 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2090 {
2091         GNode *srcnode;
2092
2093         folderview_create_folder_node(folderview, item);
2094
2095         if (!item || !item->folder || !item->folder->node)
2096                 return;
2097
2098         srcnode = item->folder->node;
2099         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2100         srcnode = srcnode->children;
2101         while (srcnode != NULL) {
2102                 if (srcnode && srcnode->data) {
2103                         FolderItem *next_item = (FolderItem*) srcnode->data;
2104                         folderview_create_folder_node_recursive(folderview, next_item);
2105                 }
2106                 srcnode = srcnode->next;
2107         }
2108 }
2109
2110 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2111 {
2112         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2113         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2114         GtkCTreeNode *node, *parent_node;
2115         gint *col_pos = folderview->col_pos;
2116         FolderItemUpdateData hookdata;
2117
2118         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2119         if (parent_node == NULL)
2120                 return;
2121
2122         gtk_clist_freeze(GTK_CLIST(ctree));
2123
2124         text[col_pos[F_COL_FOLDER]] = item->name;
2125         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2126                                      FOLDER_SPACING,
2127                                      folderxpm, folderxpmmask,
2128                                      folderopenxpm, folderopenxpmmask,
2129                                      FALSE, FALSE);
2130         gtk_ctree_expand(ctree, parent_node);
2131         gtk_ctree_node_set_row_data(ctree, node, item);
2132         if (normal_style)
2133                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2134         folderview_sort_folders(folderview, parent_node, item->folder);
2135
2136         hookdata.item = item;
2137         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2138         hookdata.msg = NULL;
2139         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2140
2141         gtk_clist_thaw(GTK_CLIST(ctree));
2142 }
2143
2144 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2145                                       GtkWidget *widget)
2146 {
2147         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2148         FolderItem *item;
2149         GSList *mlist = NULL;
2150         GSList *cur = NULL;
2151         FolderItem *special_trash = NULL;
2152         PrefsAccount *ac;
2153
2154         if (!folderview->selected) return;
2155         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2156         g_return_if_fail(item != NULL);
2157         g_return_if_fail(item->folder != NULL);
2158
2159         if (NULL != (ac = account_find_from_item(item)))
2160                 special_trash = account_get_special_folder(ac, F_TRASH);
2161
2162         if (item != item->folder->trash && item != special_trash
2163         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2164
2165         if (prefs_common.ask_on_clean) {
2166                 if (alertpanel(_("Empty trash"),
2167                                _("Delete all messages in trash?"),
2168                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2169                         return;
2170         }
2171
2172         mlist = folder_item_get_msg_list(item);
2173
2174         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2175                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2176                 if (MSG_IS_LOCKED(msginfo->flags))
2177                         continue;
2178                 /* is it partially received? (partial_recv isn't cached) */
2179                 if (msginfo->total_size != 0 &&
2180                     msginfo->size != (off_t)msginfo->total_size)
2181                         partial_mark_for_delete(msginfo);
2182         }
2183         procmsg_msg_list_free(mlist);
2184
2185         folder_item_remove_all_msg(item);
2186 }
2187
2188 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2189                                       GtkWidget *widget)
2190 {
2191         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2192         FolderItem *item;
2193         FolderItem *special_queue = NULL;
2194         PrefsAccount *ac;
2195         gchar *errstr = NULL;
2196
2197         if (!folderview->selected) return;
2198         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2199         g_return_if_fail(item != NULL);
2200         g_return_if_fail(item->folder != NULL);
2201
2202         if (NULL != (ac = account_find_from_item(item)))
2203                 special_queue = account_get_special_folder(ac, F_QUEUE);
2204
2205         if (item != item->folder->queue && item != special_queue
2206         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2207
2208         if (procmsg_queue_is_empty(item))
2209                 return;
2210
2211         if (prefs_common.work_offline)
2212                 if (alertpanel(_("Offline warning"),
2213                                _("You're working offline. Override?"),
2214                                GTK_STOCK_NO, GTK_STOCK_YES,
2215                                NULL) != G_ALERTALTERNATE)
2216                 return;
2217
2218         /* ask for confirmation before sending queued messages only
2219            in online mode and if there is at least one message queued
2220            in any of the folder queue
2221         */
2222         if (prefs_common.confirm_send_queued_messages) {
2223                 if (!prefs_common.work_offline) {
2224                         if (alertpanel(_("Send queued messages"),
2225                                    _("Send all queued messages?"),
2226                                    GTK_STOCK_CANCEL, _("_Send"),
2227                                    NULL) != G_ALERTALTERNATE)
2228                                 return;
2229                 }
2230         }
2231
2232         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2233                 if (!errstr)
2234                         alertpanel_error_log(_("Some errors occurred while "
2235                                            "sending queued messages."));
2236                 else {
2237                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2238                                         "while sending queued messages:\n%s"), errstr);
2239                         g_free(errstr);
2240                         alertpanel_error_log(tmp);
2241                         g_free(tmp);
2242                 }
2243         }
2244 }
2245
2246 static void folderview_search_cb(FolderView *folderview, guint action,
2247                                  GtkWidget *widget)
2248 {
2249         summary_search(folderview->summaryview);
2250 }
2251
2252 static void folderview_property_cb(FolderView *folderview, guint action,
2253                                    GtkWidget *widget)
2254 {
2255         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2256         FolderItem *item;
2257
2258         if (!folderview->selected) return;
2259
2260         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2261         g_return_if_fail(item != NULL);
2262         g_return_if_fail(item->folder != NULL);
2263
2264         prefs_folder_item_open(item);
2265 }
2266
2267 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2268 {
2269         GSList *list = NULL;
2270         GSList *done = NULL;
2271         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2272
2273         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2274                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2275                 &&  list->data != node) {
2276                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2277                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2278                 }
2279         }
2280         for (list = done; list != NULL; list = g_slist_next(list)) {
2281                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2282                                                                  list->data);
2283         }
2284         g_slist_free(done);
2285 }
2286
2287 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2288                             FolderItem *to_folder)
2289 {
2290         FolderItem *from_parent = NULL;
2291         FolderItem *new_folder = NULL;
2292         GtkCTreeNode *src_node = NULL;
2293         gchar *buf;
2294         gint status;
2295
2296         g_return_if_fail(folderview != NULL);
2297         g_return_if_fail(from_folder != NULL);
2298         g_return_if_fail(to_folder != NULL);
2299
2300         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2301         from_parent = folder_item_parent(from_folder);
2302
2303         if (prefs_common.warn_dnd) {
2304                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2305                                         "sub-folder of '%s' ?"), from_folder->name,
2306                                         to_folder->name);
2307                 status = alertpanel_full(_("Move folder"), buf,
2308                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2309                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2310                 g_free(buf);
2311
2312                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2313                         return;
2314                 else if (status & G_ALERTDISABLE)
2315                         prefs_common.warn_dnd = FALSE;
2316         }
2317
2318         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2319         STATUSBAR_PUSH(folderview->mainwin, buf);
2320         g_free(buf);
2321         summary_clear_all(folderview->summaryview);
2322         folderview->opened = NULL;
2323         folderview->selected = NULL;
2324         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2325         inc_lock();
2326         main_window_cursor_wait(folderview->mainwin);
2327         statusbar_verbosity_set(TRUE);
2328         folder_item_update_freeze();
2329         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2330                 statusbar_verbosity_set(FALSE);
2331                 main_window_cursor_normal(folderview->mainwin);
2332                 STATUSBAR_POP(folderview->mainwin);
2333                 folder_item_update_thaw();
2334                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2335
2336                 folderview_sort_folders(folderview,
2337                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2338                                 NULL, to_folder), new_folder->folder);
2339                 folderview_select(folderview, new_folder);
2340         } else {
2341                 statusbar_verbosity_set(FALSE);
2342                 main_window_cursor_normal(folderview->mainwin);
2343                 STATUSBAR_POP(folderview->mainwin);
2344                 folder_item_update_thaw();
2345                 switch (status) {
2346                 case F_MOVE_FAILED_DEST_IS_PARENT:
2347                         alertpanel_error(_("Source and destination are the same."));
2348                         break;
2349                 case F_MOVE_FAILED_DEST_IS_CHILD:
2350                         alertpanel_error(_("Can't move a folder to one of its children."));
2351                         break;
2352                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2353                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2354                         break;
2355                 default:
2356                         alertpanel_error(_("Move failed!"));
2357                         break;
2358                 }
2359         }
2360         inc_unlock();
2361         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2362 }
2363
2364 static gint folderview_clist_compare(GtkCList *clist,
2365                                      gconstpointer ptr1, gconstpointer ptr2)
2366 {
2367         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2368         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2369
2370         if (!item1->name)
2371                 return (item2->name != NULL);
2372         if (!item2->name)
2373                 return -1;
2374
2375         return g_utf8_collate(item1->name, item2->name);
2376 }
2377
2378 static void folderview_processing_cb(FolderView *folderview, guint action,
2379                                      GtkWidget *widget)
2380 {
2381         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2382         FolderItem *item;
2383         gchar *id, *title;
2384
2385         if (!folderview->selected) return;
2386
2387         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2388         g_return_if_fail(item != NULL);
2389         g_return_if_fail(item->folder != NULL);
2390
2391         id = folder_item_get_identifier(item);
2392         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2393         g_free (id);
2394
2395         prefs_filtering_open(&item->prefs->processing, title, NULL, NULL);
2396         g_free (title);
2397 }
2398
2399 void folderview_set_target_folder_color(gint color_op)
2400 {
2401         gint firstone = 1;
2402         GList *list;
2403         FolderView *folderview;
2404
2405         for (list = folderview_list; list != NULL; list = list->next) {
2406                 folderview = (FolderView *)list->data;
2407                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2408                 if (firstone) {
2409                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2410                                 folderview->color_op;
2411                         firstone = 0;
2412                 }
2413         }
2414 }
2415
2416 static gchar *last_font = NULL;
2417 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2418 {
2419         /* force reinit */
2420         g_free(last_font);
2421         last_font = NULL;
2422
2423 }
2424
2425 void folderview_reflect_prefs(void)
2426 {
2427         gboolean update_font = TRUE;
2428         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2429         FolderItem *item = folderview_get_selected_item(folderview);
2430         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2431                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2432         gint height = pos->value;
2433
2434         if (last_font && !strcmp(last_font, NORMAL_FONT))
2435                 update_font = FALSE;
2436
2437         g_free(last_font);
2438         last_font = g_strdup(NORMAL_FONT);
2439
2440         if (update_font) {
2441                 normal_style = normal_color_style = bold_style =
2442                         bold_color_style = bold_tgtfold_style = NULL;
2443
2444                 folderview_init(folderview);
2445         }
2446         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2447         folderview_column_set_titles(folderview);
2448         folderview_set_all();
2449
2450         g_signal_handlers_block_by_func
2451                 (G_OBJECT(folderview->ctree),
2452                  G_CALLBACK(folderview_selected), folderview);
2453
2454         if (item) {
2455                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2456                         GTK_CTREE(folderview->ctree), NULL, item);
2457
2458                 folderview_select(folderview, item);
2459                 folderview->selected = node;
2460         }
2461
2462         g_signal_handlers_unblock_by_func
2463                 (G_OBJECT(folderview->ctree),
2464                  G_CALLBACK(folderview_selected), folderview);
2465
2466         pos = gtk_scrolled_window_get_vadjustment(
2467                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2468         gtk_adjustment_set_value(pos, height);
2469         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2470 }
2471
2472 static void drag_state_stop(FolderView *folderview)
2473 {
2474         if (folderview->drag_timer)
2475                 gtk_timeout_remove(folderview->drag_timer);
2476         folderview->drag_timer = 0;
2477         folderview->drag_node = NULL;
2478 }
2479
2480 static gint folderview_defer_expand(FolderView *folderview)
2481 {
2482         if (folderview->drag_node) {
2483                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2484                 if (folderview->drag_item->collapsed) {
2485                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2486                         folderview->nodes_to_recollapse = g_slist_append
2487                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2488                 }
2489         }
2490         folderview->drag_item  = NULL;
2491         folderview->drag_timer = 0;
2492         return FALSE;
2493 }
2494
2495 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2496 {
2497         /* the idea is that we call drag_state_start() whenever we want expansion to
2498          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2499          * we need to call drag_state_stop() */
2500         drag_state_stop(folderview);
2501         /* request expansion */
2502         if (0 != (folderview->drag_timer = gtk_timeout_add
2503                         (prefs_common.hover_timeout,
2504                          (GtkFunction)folderview_defer_expand,
2505                          folderview))) {
2506                 folderview->drag_node = node;
2507                 folderview->drag_item = item;
2508         }
2509 }
2510
2511 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2512                                   FolderView       *folderview)
2513 {
2514         GdkDragContext *context;
2515
2516         g_return_if_fail(folderview != NULL);
2517         if (folderview->selected == NULL) return;
2518         if (folderview->nodes_to_recollapse)
2519                 g_slist_free(folderview->nodes_to_recollapse);
2520         folderview->nodes_to_recollapse = NULL;
2521         context = gtk_drag_begin(widget, folderview->target_list,
2522                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2523         gtk_drag_set_icon_default(context);
2524 }
2525
2526 static void folderview_drag_data_get(GtkWidget        *widget,
2527                                      GdkDragContext   *drag_context,
2528                                      GtkSelectionData *selection_data,
2529                                      guint             info,
2530                                      guint             time,
2531                                      FolderView       *folderview)
2532 {
2533         FolderItem *item;
2534         GList *cur;
2535         gchar *source = NULL;
2536         if (info == TARGET_DUMMY) {
2537                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2538                      cur != NULL; cur = cur->next) {
2539                         item = gtk_ctree_node_get_row_data
2540                                 (GTK_CTREE(folderview->ctree),
2541                                  GTK_CTREE_NODE(cur->data));
2542                         if (item) {
2543                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2544                                 gtk_selection_data_set(selection_data,
2545                                                        selection_data->target, 8,
2546                                                        source, strlen(source));
2547                                 break;
2548                         } else
2549                                 return;
2550                 }
2551         } else {
2552                 g_warning("unknown info %d\n", info);
2553         }
2554 }
2555
2556 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2557 {
2558         FolderUpdateData *hookdata;
2559         FolderView *folderview;
2560         GtkWidget *ctree;
2561
2562         hookdata = source;
2563         folderview = (FolderView *) userdata;
2564         g_return_val_if_fail(hookdata != NULL, FALSE);
2565         g_return_val_if_fail(folderview != NULL, FALSE);
2566
2567         ctree = folderview->ctree;
2568         g_return_val_if_fail(ctree != NULL, FALSE);
2569
2570         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2571                 folderview_create_folder_node(folderview, hookdata->item);
2572         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2573                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2574                                 NULL, folder_item_parent(hookdata->item));
2575                 folderview_sort_folders(folderview, node, hookdata->folder);
2576         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2577                 GtkCTreeNode *node;
2578
2579                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2580                 if (node != NULL)
2581                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2582         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2583                 folderview_set(folderview);
2584
2585         return FALSE;
2586 }
2587
2588 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2589                                           GdkDragContext *context,
2590                                           gint            x,
2591                                           gint            y,
2592                                           guint           time,
2593                                           FolderView     *folderview)
2594 {
2595         gint row, column;
2596         FolderItem *item = NULL, *src_item = NULL;
2597         GtkCTreeNode *node = NULL;
2598         gboolean acceptable = FALSE;
2599         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2600                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2601         int height = (int)pos->page_size;
2602         int total_height = (int)pos->upper;
2603         int vpos = (int) pos->value;
2604
2605         if (gtk_clist_get_selection_info
2606                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2607                 GtkWidget *srcwidget;
2608
2609                 if (y > height - 24 && height + vpos < total_height)
2610                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2611
2612                 if (y < 48 && y > 0)
2613                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2614
2615                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2616                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2617                 src_item = folderview->summaryview->folder_item;
2618
2619                 srcwidget = gtk_drag_get_source_widget(context);
2620                 if (srcwidget == folderview->summaryview->ctree) {
2621                         /* comes from summaryview */
2622                         /* we are copying messages, so only accept folder items that are not
2623                            the source item, are no root items and can copy messages */
2624                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2625                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2626                                 acceptable = TRUE;
2627                 } else if (srcwidget == folderview->ctree) {
2628                         /* comes from folderview */
2629                         /* we are moving folder items, only accept folders that are not
2630                            the source items and can copy messages and create folder items */
2631                         if (item && item->folder && src_item && src_item != item &&
2632                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2633                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2634                                 acceptable = TRUE;
2635                 } else {
2636                         /* comes from another app */
2637                         /* we are adding messages, so only accept folder items that are
2638                            no root items and can copy messages */
2639                         if (item && item->folder && folder_item_parent(item) != NULL
2640                             && FOLDER_CLASS(item->folder)->add_msg != NULL)
2641                                 acceptable = TRUE;
2642                 }
2643         }
2644
2645         if (acceptable || (src_item && src_item == item))
2646                 drag_state_start(folderview, node, item);
2647
2648         if (acceptable) {
2649                 g_signal_handlers_block_by_func
2650                         (G_OBJECT(widget),
2651                          G_CALLBACK(folderview_selected), folderview);
2652                 gtk_ctree_select(GTK_CTREE(widget), node);
2653                 g_signal_handlers_unblock_by_func
2654                         (G_OBJECT(widget),
2655                          G_CALLBACK(folderview_selected), folderview);
2656                 gdk_drag_status(context,
2657                                         (context->actions == GDK_ACTION_COPY ?
2658                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2659         } else {
2660                 if (folderview->opened)
2661                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2662                 gdk_drag_status(context, 0, time);
2663         }
2664
2665         return acceptable;
2666 }
2667
2668 static void folderview_drag_leave_cb(GtkWidget      *widget,
2669                                      GdkDragContext *context,
2670                                      guint           time,
2671                                      FolderView     *folderview)
2672 {
2673         drag_state_stop(folderview);
2674         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2675 }
2676
2677 static void free_info (gpointer stuff, gpointer data)
2678 {
2679         g_free(stuff);
2680 }
2681
2682 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2683                            guint time, FolderItem *item)
2684 {
2685         GList *list, *tmp;
2686         GSList *msglist = NULL;
2687         list = uri_list_extract_filenames(data);
2688         if (!(item && item->folder && folder_item_parent(item) != NULL
2689                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2690         {
2691                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2692                 return;
2693         }
2694         if (!list) {
2695                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2696                 return;
2697         }
2698         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2699                 MsgFileInfo *info = NULL;
2700
2701                 if (file_is_email((gchar *)tmp->data)) {
2702                         info = g_new0(MsgFileInfo, 1);
2703                         info->msginfo = NULL;
2704                         info->file = (gchar *)tmp->data;
2705                         msglist = g_slist_prepend(msglist, info);
2706                 }
2707         }
2708         if (msglist) {
2709                 msglist = g_slist_reverse(msglist);
2710                 folder_item_add_msgs(item, msglist, FALSE);
2711                 g_slist_foreach(msglist, free_info, NULL);
2712                 g_slist_free(msglist);
2713                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2714         } else {
2715                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2716         }
2717         list_free_strings(list);
2718         g_list_free(list);
2719 }
2720
2721 static void folderview_drag_received_cb(GtkWidget        *widget,
2722                                         GdkDragContext   *drag_context,
2723                                         gint              x,
2724                                         gint              y,
2725                                         GtkSelectionData *data,
2726                                         guint             info,
2727                                         guint             time,
2728                                         FolderView       *folderview)
2729 {
2730         gint row, column;
2731         FolderItem *item = NULL, *src_item;
2732         GtkCTreeNode *node;
2733
2734         if (info == TARGET_DUMMY) {
2735                 drag_state_stop(folderview);
2736                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2737                         /* comes from summaryview */
2738                         if (gtk_clist_get_selection_info
2739                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2740                                 return;
2741
2742                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2743                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2744                         src_item = folderview->summaryview->folder_item;
2745
2746                         /* re-check (due to acceptable possibly set for folder moves */
2747                         if (!(item && item->folder && item->path && !item->no_select &&
2748                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2749                                 return;
2750                         }
2751                         if (item && src_item) {
2752                                 switch (drag_context->action) {
2753                                 case GDK_ACTION_COPY:
2754                                         summary_copy_selected_to(folderview->summaryview, item);
2755                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2756                                         break;
2757                                 case GDK_ACTION_MOVE:
2758                                 case GDK_ACTION_DEFAULT:
2759                                 default:
2760                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2761                                                 summary_copy_selected_to(folderview->summaryview, item);
2762                                         else
2763                                                 summary_move_selected_to(folderview->summaryview, item);
2764                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2765                                 }
2766                         } else
2767                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2768                 } else {
2769                         /* comes from folderview */
2770                         char *source;
2771                         gboolean folder_is_normal = TRUE;
2772
2773                         source = data->data + 17;
2774                         if (gtk_clist_get_selection_info
2775                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2776                             || *source == 0) {
2777                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2778                                 return;
2779                         }
2780                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2781                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2782                         src_item = folder_find_item_from_identifier(source);
2783
2784                         folder_is_normal =
2785                                 src_item != NULL &&
2786                                 src_item->stype == F_NORMAL &&
2787                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2788                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2789                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2790                                 !folder_has_parent_of_type(src_item, F_TRASH);
2791                         if (!item || item->no_select || !src_item
2792                         ||  !folder_is_normal) {
2793                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2794                                 return;
2795                         }
2796
2797                         folderview_move_folder(folderview, src_item, item);
2798                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2799                 }
2800                 folderview->nodes_to_recollapse = NULL;
2801         } else if (info == TARGET_MAIL_URI_LIST) {
2802                 if (gtk_clist_get_selection_info
2803                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2804                         return;
2805
2806                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2807                 if (!node) {
2808                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2809                         return;
2810                 }
2811                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2812                 if (!item) {
2813                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2814                         return;
2815                 }
2816                 folderview_finish_dnd(data->data, drag_context, time, item);
2817         }
2818 }
2819
2820 static void folderview_drag_end_cb(GtkWidget        *widget,
2821                                    GdkDragContext   *drag_context,
2822                                    FolderView       *folderview)
2823 {
2824         drag_state_stop(folderview);
2825         g_slist_free(folderview->nodes_to_recollapse);
2826         folderview->nodes_to_recollapse = NULL;
2827 }
2828
2829 void folderview_register_popup(FolderViewPopup *fpopup)
2830 {
2831         GList *folderviews;
2832
2833         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2834                 FolderView *folderview = folderviews->data;
2835                 GtkItemFactory *factory;
2836
2837                 factory = create_ifactory(folderview, fpopup);
2838                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2839         }
2840         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2841 }
2842
2843 void folderview_unregister_popup(FolderViewPopup *fpopup)
2844 {
2845         GList *folderviews;
2846
2847         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2848                 FolderView *folderview = folderviews->data;
2849
2850                 g_hash_table_remove(folderview->popups, fpopup->klass);
2851         }
2852         g_hash_table_remove(folderview_popups, fpopup->klass);
2853 }