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_marked(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->marked_msgs > 0 && item->stype != F_TRASH)
 793                         return node;
 794         }
 795
 796         return NULL;
 797 }
 798
 799 void folderview_select_next_marked(FolderView *folderview)
 800 {
 801         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 802         GtkCTreeNode *node = NULL;
 803         SelectOnEntry last_sel = prefs_common.select_on_entry;
 804         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 805
 806         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 807             != NULL) {
 808                 folderview_select_node(folderview, node);
 809                 prefs_common.select_on_entry = last_sel;
 810                 return;
 811         }
 812
 813         if (!folderview->opened ||
 814             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 815                 prefs_common.select_on_entry = last_sel;
 816                 return;
 817         }
 818         /* search again from the first node */
 819         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 820                 folderview_select_node(folderview, node);
 821         prefs_common.select_on_entry = last_sel;
 822 }
 823
 824 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 825                                                  GtkCTreeNode *node)
 826 {
 827         FolderItem *item;
 828
 829         if (node)
 830                 node = gtkut_ctree_node_next(ctree, node);
 831         else
 832                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 833
 834         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 835                 item = gtk_ctree_node_get_row_data(ctree, node);
 836                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 837                         return node;
 838         }
 839
 840         return NULL;
 841 }
 842
 843 void folderview_select_next_unread(FolderView *folderview)
 844 {
 845         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 846         GtkCTreeNode *node = NULL;
 847         SelectOnEntry last_sel = prefs_common.select_on_entry;
 848         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 849
 850         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 851             != NULL) {
 852                 folderview_select_node(folderview, node);
 853                 prefs_common.select_on_entry = last_sel;
 854                 return;
 855         }
 856
 857         if (!folderview->opened ||
 858             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 859                 prefs_common.select_on_entry = last_sel;
 860                 return;
 861         }
 862         /* search again from the first node */
 863         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 864                 folderview_select_node(folderview, node);
 865
 866         prefs_common.select_on_entry = last_sel;
 867
 868 }
 869
 870 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 871                                                  GtkCTreeNode *node)
 872 {
 873         FolderItem *item;
 874
 875         if (node)
 876                 node = gtkut_ctree_node_next(ctree, node);
 877         else
 878                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 879
 880         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 881                 item = gtk_ctree_node_get_row_data(ctree, node);
 882                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 883                         return node;
 884         }
 885
 886         return NULL;
 887 }
 888
 889 void folderview_select_next_new(FolderView *folderview)
 890 {
 891         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 892         GtkCTreeNode *node = NULL;
 893         SelectOnEntry last_sel = prefs_common.select_on_entry;
 894         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 895
 896         if ((node = folderview_find_next_new(ctree, folderview->opened))
 897             != NULL) {
 898                 folderview_select_node(folderview, node);
 899                 prefs_common.select_on_entry = last_sel;
 900                 return;
 901         }
 902
 903         if (!folderview->opened ||
 904             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 905                 prefs_common.select_on_entry = last_sel;
 906                 return;
 907         }
 908         /* search again from the first node */
 909         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 910                 folderview_select_node(folderview, node);
 911         prefs_common.select_on_entry = last_sel;
 912 }
 913
 914 FolderItem *folderview_get_selected_item(FolderView *folderview)
 915 {
 916         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 917
 918         if (!folderview->selected) return NULL;
 919         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 920 }
 921
 922 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 923 {
 924         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 925         static GtkCTreeNode *prev_row = NULL;
 926         FolderItem *item;
 927         gint new, unread, total;
 928         gchar *new_str, *unread_str, *total_str;
 929         gint *col_pos = folderview->col_pos;
 930
 931         if (!row) return;
 932
 933         item = gtk_ctree_node_get_row_data(ctree, row);
 934         if (!item) return;
 935
 936         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 937         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 938         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 939         new = atoi(new_str);
 940         unread = atoi(unread_str);
 941         total = atoi(total_str);
 942
 943         prev_row = row;
 944
 945         folderview_update_node(folderview, row);
 946 }
 947
 948 void folderview_append_item(FolderItem *item)
 949 {
 950         GList *list;
 951
 952         g_return_if_fail(item != NULL);
 953         g_return_if_fail(item->folder != NULL);
 954         if (folder_item_parent(item)) return;
 955
 956         for (list = folderview_list; list != NULL; list = list->next) {
 957                 FolderView *folderview = (FolderView *)list->data;
 958                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 959                 GtkCTreeNode *node, *child;
 960                 gint *col_pos = folderview->col_pos;
 961
 962                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 963                                                   folder_item_parent(item));
 964                 if (node) {
 965                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 966                         if (!child) {
 967                                 gchar *text[N_FOLDER_COLS] =
 968                                         {NULL, "0", "0", "0"};
 969
 970                                 gtk_clist_freeze(GTK_CLIST(ctree));
 971
 972                                 text[col_pos[F_COL_FOLDER]] = item->name;
 973                                 child = gtk_sctree_insert_node
 974                                         (ctree, node, NULL, text,
 975                                          FOLDER_SPACING,
 976                                          folderxpm, folderxpmmask,
 977                                          folderopenxpm, folderopenxpmmask,
 978                                          FALSE, FALSE);
 979                                 gtk_ctree_node_set_row_data(ctree, child, item);
 980                                 gtk_ctree_expand(ctree, node);
 981                                 folderview_update_node(folderview, child);
 982                                 folderview_sort_folders(folderview, node,
 983                                                         item->folder);
 984
 985                                 gtk_clist_thaw(GTK_CLIST(ctree));
 986                         }
 987                 }
 988         }
 989 }
 990
 991 static void folderview_set_folders(FolderView *folderview)
 992 {
 993         GList *list;
 994 #ifndef HAVE_LIBETPAN
 995         static gboolean missing_imap_warning = TRUE;
 996 #endif
 997         list = folder_get_list();
 998
 999         for (; list != NULL; list = list->next) {
1000 #ifndef HAVE_LIBETPAN
1001                 if ((FOLDER(list->data))
1002                 &&  (FOLDER(list->data))->klass
1003                 &&  (FOLDER(list->data))->klass->type == F_IMAP
1004                 &&  missing_imap_warning) {
1005                         missing_imap_warning = FALSE;
1006                         alertpanel_error(
1007                                 _("You have one or more IMAP accounts "
1008                                   "defined. However this version of "
1009                                   "Sylpheed-Claws has been built without "
1010                                   "IMAP support; your IMAP account(s) are "
1011                                   "disabled.\n\n"
1012                                   "You probably need to "
1013                                   "install libetpan and recompile "
1014                                   "Sylpheed-Claws."));
1015                 }
1016 #endif
1017                 folderview_append_folder(folderview, FOLDER(list->data));
1018         }
1019 }
1020
1021 static gchar *get_scan_str(FolderItem *item)
1022 {
1023         if (item->path)
1024                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1025                                       item->folder->name, G_DIR_SEPARATOR,
1026                                       item->path);
1027         else
1028                 return g_strdup_printf(_("Scanning folder %s ..."),
1029                                       item->folder->name);
1030 }
1031 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1032                                       gpointer data)
1033 {
1034         GList *list;
1035         for (list = folderview_list; list != NULL; list = list->next) {
1036                 FolderView *folderview = (FolderView *)list->data;
1037                 MainWindow *mainwin = folderview->mainwin;
1038                 gchar *str = get_scan_str(item);
1039
1040                 STATUSBAR_PUSH(mainwin, str);
1041                 STATUSBAR_POP(mainwin);
1042                 g_free(str);
1043         }
1044 }
1045
1046 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1047 {
1048         GtkWidget *window;
1049
1050         g_return_if_fail(folder != NULL);
1051
1052         if (!folder->klass->scan_tree) return;
1053
1054         if (rebuild &&
1055             alertpanel_full(_("Rebuild folder tree"),
1056                          _("Rebuilding the folder tree will remove "
1057                            "local caches. Do you want to continue?"),
1058                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1059                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1060                 != G_ALERTALTERNATE) {
1061                 return;
1062         }
1063
1064         inc_lock();
1065         if (rebuild)
1066                 window = label_window_create(_("Rebuilding folder tree..."));
1067         else
1068                 window = label_window_create(_("Scanning folder tree..."));
1069
1070         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1071         folder_scan_tree(folder, rebuild);
1072         folder_set_ui_func(folder, NULL, NULL);
1073
1074         folderview_set_all();
1075
1076         gtk_widget_destroy(window);
1077         inc_unlock();
1078 }
1079
1080 /** folderview_check_new()
1081  *  Scan and update the folder and return the
1082  *  count the number of new messages since last check.
1083  *  \param folder the folder to check for new messages
1084  *  \return the number of new messages since last check
1085  */
1086 gint folderview_check_new(Folder *folder)
1087 {
1088         GList *list;
1089         FolderItem *item;
1090         FolderView *folderview;
1091         GtkCTree *ctree;
1092         GtkCTreeNode *node;
1093         gint new_msgs = 0;
1094         gint former_new_msgs = 0;
1095         gint former_new = 0, former_unread = 0, former_total;
1096
1097         for (list = folderview_list; list != NULL; list = list->next) {
1098                 folderview = (FolderView *)list->data;
1099                 ctree = GTK_CTREE(folderview->ctree);
1100
1101                 inc_lock();
1102                 main_window_lock(folderview->mainwin);
1103
1104                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1105                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1106                         gchar *str = NULL;
1107                         item = gtk_ctree_node_get_row_data(ctree, node);
1108                         if (!item || !item->path || !item->folder) continue;
1109                         if (item->no_select) continue;
1110                         if (folder && folder != item->folder) continue;
1111                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1112                         if (!item->prefs->newmailcheck) continue;
1113                         if (item->processing_pending == TRUE) {
1114                                 debug_print("skipping %s, processing pending\n",
1115                                         item->path ? item->path : item->name);
1116                                 continue;
1117                         }
1118
1119                         str = get_scan_str(item);
1120
1121                         STATUSBAR_PUSH(folderview->mainwin, str);
1122
1123                         g_free(str);
1124
1125                         folderview_scan_tree_func(item->folder, item, NULL);
1126                         former_new    = item->new_msgs;
1127                         former_unread = item->unread_msgs;
1128                         former_total  = item->total_msgs;
1129
1130                         if (item->folder->klass->scan_required &&
1131                             (item->folder->klass->scan_required(item->folder, item) ||
1132                              item->folder->inbox == item ||
1133                              item->opened == TRUE ||
1134                              item->processing_pending == TRUE)) {
1135                                 if (folder_item_scan(item) < 0) {
1136                                         summaryview_unlock(folderview->summaryview, item);
1137                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1138                                                 STATUSBAR_POP(folderview->mainwin);
1139                                                 break;
1140                                         }
1141                                 }
1142                         } else if (!item->folder->klass->scan_required) {
1143                                 if (folder_item_scan(item) < 0) {
1144                                         summaryview_unlock(folderview->summaryview, item);
1145                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1146                                                 STATUSBAR_POP(folderview->mainwin);
1147                                                 break;
1148                                         }
1149                                 }
1150                         }
1151                         if (former_new    != item->new_msgs ||
1152                             former_unread != item->unread_msgs ||
1153                             former_total  != item->total_msgs)
1154                                 folderview_update_node(folderview, node);
1155
1156                         new_msgs += item->new_msgs;
1157                         former_new_msgs += former_new;
1158                         STATUSBAR_POP(folderview->mainwin);
1159                 }
1160
1161                 main_window_unlock(folderview->mainwin);
1162                 inc_unlock();
1163         }
1164
1165         folder_write_list();
1166         /* Number of new messages since last check is the just the difference
1167          * between former_new_msgs and new_msgs. If new_msgs is less than
1168          * former_new_msgs, that would mean another session accessed the folder
1169          * and the result is not well defined.
1170          */
1171         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1172         return new_msgs;
1173 }
1174
1175 void folderview_check_new_all(void)
1176 {
1177         GList *list;
1178         GtkWidget *window;
1179         FolderView *folderview;
1180
1181         folderview = (FolderView *)folderview_list->data;
1182
1183         inc_lock();
1184         main_window_lock(folderview->mainwin);
1185         window = label_window_create
1186                 (_("Checking for new messages in all folders..."));
1187
1188         list = folder_get_list();
1189         for (; list != NULL; list = list->next) {
1190                 Folder *folder = list->data;
1191
1192                 folderview_check_new(folder);
1193         }
1194
1195         folder_write_list();
1196         folderview_set_all();
1197
1198         gtk_widget_destroy(window);
1199         main_window_unlock(folderview->mainwin);
1200         inc_unlock();
1201 }
1202
1203 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1204                                                  FolderItem *item,
1205                                                  gboolean in_sub)
1206 {
1207         GNode *node = NULL;
1208
1209         if (!item || !item->folder || !item->folder->node)
1210                 return FALSE;
1211
1212         node = item->folder->node;
1213
1214         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1215         node = node->children;
1216
1217         if (in_sub &&
1218             (item->new_msgs > 0 ||
1219             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1220                 return TRUE;
1221         }
1222
1223         while (node != NULL) {
1224                 if (node && node->data) {
1225                         FolderItem *next_item = (FolderItem*) node->data;
1226                         node = node->next;
1227                         if (folderview_have_new_children_sub(folderview,
1228                                                              next_item, TRUE))
1229                                 return TRUE;
1230                 }
1231         }
1232
1233         return FALSE;
1234 }
1235
1236 static gboolean folderview_have_new_children(FolderView *folderview,
1237                                              FolderItem *item)
1238 {
1239         return folderview_have_new_children_sub(folderview, item, FALSE);
1240 }
1241
1242 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1243                                                     FolderItem *item,
1244                                                     gboolean in_sub)
1245 {
1246         GNode *node = NULL;
1247
1248         if (!item || !item->folder || !item->folder->node)
1249                 return FALSE;
1250
1251         node = item->folder->node;
1252
1253         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1254         node = node->children;
1255
1256         if (in_sub &&
1257             (item->unread_msgs > 0 ||
1258             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1259                 return TRUE;
1260         }
1261
1262         while (node != NULL) {
1263                 if (node && node->data) {
1264                         FolderItem *next_item = (FolderItem*) node->data;
1265                         node = node->next;
1266                         if (folderview_have_unread_children_sub(folderview,
1267                                                                 next_item,
1268                                                                 TRUE))
1269                                 return TRUE;
1270                 }
1271         }
1272
1273         return FALSE;
1274 }
1275
1276 static gboolean folderview_have_unread_children(FolderView *folderview,
1277                                                 FolderItem *item)
1278 {
1279         return folderview_have_unread_children_sub(folderview, item, FALSE);
1280 }
1281
1282 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1283                                                       FolderItem *item,
1284                                                       gboolean in_sub)
1285 {
1286         GNode *node = NULL;
1287
1288         if (!item || !item->folder || !item->folder->node)
1289                 return FALSE;
1290
1291         node = item->folder->node;
1292
1293         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1294         node = node->children;
1295
1296         if (in_sub && item->search_match){
1297                 return TRUE;
1298         }
1299
1300         while (node != NULL) {
1301                 if (node && node->data) {
1302                         FolderItem *next_item = (FolderItem*) node->data;
1303                         node = node->next;
1304                         if (folderview_have_matching_children_sub(folderview,
1305                                                                   next_item,
1306                                                                   TRUE))
1307                                 return TRUE;
1308                 }
1309         }
1310
1311         return FALSE;
1312 }
1313
1314 static gboolean folderview_have_matching_children(FolderView *folderview,
1315                                                   FolderItem *item)
1316 {
1317         return folderview_have_matching_children_sub(folderview, item, FALSE);
1318 }
1319
1320 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1321                                                     FolderItem *item,
1322                                                     gboolean in_sub)
1323 {
1324         GNode *node = NULL;
1325
1326         if (!item || !item->folder || !item->folder->node)
1327                 return FALSE;
1328
1329         node = item->folder->node;
1330
1331         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1332         node = node->children;
1333
1334         if (item->marked_msgs != 0) {
1335                 return TRUE;
1336         }
1337
1338         while (node != NULL) {
1339                 if (node && node->data) {
1340                         FolderItem *next_item = (FolderItem*) node->data;
1341                         node = node->next;
1342                         if (folderview_have_marked_children_sub(folderview,
1343                                                                 next_item, TRUE))
1344                                 return TRUE;
1345                 }
1346         }
1347
1348         return FALSE;
1349 }
1350
1351 static gboolean folderview_have_marked_children(FolderView *folderview,
1352                                              FolderItem *item)
1353 {
1354         return folderview_have_marked_children_sub(folderview, item, FALSE);
1355 }
1356
1357 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1358 {
1359         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1360         GtkStyle *style = NULL;
1361         GtkStyle *color_style = NULL;
1362         FolderItem *item;
1363         GdkPixmap *xpm, *openxpm;
1364         GdkBitmap *mask, *openmask;
1365         static GdkPixmap *searchicon;
1366         static GdkBitmap *searchmask;
1367         gboolean mark = FALSE;
1368         gchar *name;
1369         gchar *str;
1370         gboolean add_unread_mark;
1371         gboolean add_sub_match_mark;
1372         gboolean use_bold, use_color;
1373         gint *col_pos = folderview->col_pos;
1374         SpecialFolderItemType stype;
1375
1376         item = gtk_ctree_node_get_row_data(ctree, node);
1377         g_return_if_fail(item != NULL);
1378
1379         if (!GTK_CTREE_ROW(node)->expanded)
1380                 mark = folderview_have_marked_children(folderview, item);
1381         else
1382                 mark = (item->marked_msgs != 0);
1383
1384         stype = item->stype;
1385         if (stype == F_NORMAL) {
1386                 if (folder_has_parent_of_type(item, F_TRASH))
1387                         stype = F_TRASH;
1388                 else if (folder_has_parent_of_type(item, F_DRAFT))
1389                         stype = F_DRAFT;
1390                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1391                         stype = F_OUTBOX;
1392                 else if (folder_has_parent_of_type(item, F_QUEUE))
1393                         stype = F_QUEUE;
1394         }
1395         switch (stype) {
1396         case F_INBOX:
1397                 if (item->hide_read_msgs) {
1398                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1399                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1400                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1401                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1402                 } else {
1403                         xpm = mark?m_inboxxpm:inboxxpm;
1404                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1405                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1406                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1407                 }
1408                 break;
1409         case F_OUTBOX:
1410                 if (item->hide_read_msgs) {
1411                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1412                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1413                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1414                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1415                 } else {
1416                         xpm = mark?m_outboxxpm:outboxxpm;
1417                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1418                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1419                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1420                 }
1421                 break;
1422         case F_QUEUE:
1423                 if (item->hide_read_msgs) {
1424                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1425                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1426                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1427                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1428                 } else {
1429                         xpm = mark?m_queuexpm:queuexpm;
1430                         mask = mark?m_queuexpmmask:queuexpmmask;
1431                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1432                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1433                 }
1434                 break;
1435         case F_TRASH:
1436                 if (item->hide_read_msgs) {
1437                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1438                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1439                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1440                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1441                 } else {
1442                         xpm = mark?m_trashxpm:trashxpm;
1443                         mask = mark?m_trashxpmmask:trashxpmmask;
1444                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1445                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1446                 }
1447                 break;
1448         case F_DRAFT:
1449                 xpm = mark?m_draftsxpm:draftsxpm;
1450                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1451                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1452                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1453                 break;
1454         default:
1455                 if (item->hide_read_msgs) {
1456                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1457                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1458                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1459                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1460                 } else {
1461                         xpm = mark?m_folderxpm:folderxpm;
1462                         mask = mark?m_folderxpmmask:folderxpmmask;
1463                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1464                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1465                 }
1466         }
1467
1468         if (item->no_select) {
1469                 xpm = openxpm = noselectxpm;
1470                 mask = openmask = noselectxpmmask;
1471         }
1472
1473         name = folder_item_get_name(item);
1474
1475         if (!GTK_CTREE_ROW(node)->expanded) {
1476                 add_unread_mark = folderview_have_unread_children(
1477                                         folderview, item);
1478                 add_sub_match_mark = folderview_have_matching_children(
1479                                         folderview, item);
1480         } else {
1481                 add_unread_mark = FALSE;
1482                 add_sub_match_mark = FALSE;
1483         }
1484
1485         if (item->search_match) {
1486                 if (!searchicon) {
1487                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1488                          &searchicon, &searchmask);
1489                 }
1490                 xpm = openxpm = searchicon;
1491                 mask = openmask = searchmask;
1492         }
1493
1494         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1495             prefs_common.display_folder_unread) {
1496                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1497                                       add_unread_mark ? "+" : "");
1498                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1499                                         xpm, mask, openxpm, openmask,
1500                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1501                 g_free(str);
1502         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1503                     prefs_common.display_folder_unread)
1504                    || add_sub_match_mark) {
1505
1506                 if (item->unread_msgs > 0)
1507                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1508                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1509                                               item->unreadmarked_msgs > 0 ? "!":"");
1510                 else
1511                         str = g_strdup_printf("%s (+)", name);
1512                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1513                                         xpm, mask, openxpm, openmask,
1514                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1515                 g_free(str);
1516         } else {
1517                 str = g_strdup_printf("%s%s", name,
1518                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1519
1520                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1521                                         xpm, mask, openxpm, openmask,
1522                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1523                 g_free(str);
1524         }
1525         g_free(name);
1526
1527         if (!folder_item_parent(item)) {
1528                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1529                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1530                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1531         } else {
1532                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1533                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1534                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1535         }
1536
1537         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1538             folder_has_parent_of_type(item, F_DRAFT) ||
1539             folder_has_parent_of_type(item, F_TRASH)) {
1540                 use_bold = use_color = FALSE;
1541         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1542                 /* highlight queue folder if there are any messages */
1543                 use_bold = use_color = (item->total_msgs > 0);
1544         } else {
1545                 /* if unread messages exist, print with bold font */
1546                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1547                                 || add_unread_mark;
1548                 /* if new messages exist, print with colored letter */
1549                 use_color =
1550                         (item->new_msgs > 0) ||
1551                         (add_unread_mark &&
1552                          folderview_have_new_children(folderview, item));
1553         }
1554
1555         gtk_ctree_node_set_foreground(ctree, node, NULL);
1556
1557         if (use_bold) {
1558                 GdkColor gdk_color;
1559
1560                 if (item->prefs->color > 0 && !use_color) {
1561                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1562                         color_style = gtk_style_copy(bold_style);
1563                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1564                         style = color_style;
1565                 } else if (use_color) {
1566                         style = bold_color_style;
1567                 } else
1568                         style = bold_style;
1569                 if (item->op_count > 0) {
1570                         style = bold_tgtfold_style;
1571                 }
1572         } else if (use_color) {
1573                 style = normal_color_style;
1574                 gtk_ctree_node_set_foreground(ctree, node,
1575                                               &folderview->color_new);
1576         } else if (item->op_count > 0) {
1577                 style = bold_tgtfold_style;
1578         } else if (item->prefs->color > 0) {
1579                 GdkColor gdk_color;
1580                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1581                 color_style = gtk_style_copy(normal_style);
1582                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1583                 style = color_style;
1584         } else {
1585                 style = normal_style;
1586         }
1587
1588         gtk_ctree_node_set_row_style(ctree, node, style);
1589
1590         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1591                 folderview_update_node(folderview, node);
1592 }
1593
1594 #if !CLAWS /* keep it here for syncs */
1595 void folderview_update_item(FolderItem *item, gboolean update_summary)
1596 {
1597         GList *list;
1598         FolderView *folderview;
1599         GtkCTree *ctree;
1600         GtkCTreeNode *node;
1601
1602         g_return_if_fail(item != NULL);
1603
1604         for (list = folderview_list; list != NULL; list = list->next) {
1605                 folderview = (FolderView *)list->data;
1606                 ctree = GTK_CTREE(folderview->ctree);
1607
1608                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1609                 if (node) {
1610                         folderview_update_node(folderview, node);
1611                         if (update_summary && folderview->opened == node)
1612                                 summary_show(folderview->summaryview,
1613                                              item, FALSE);
1614                 }
1615         }
1616 }
1617 #endif
1618
1619 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1620 {
1621         GList *list;
1622         FolderView *folderview;
1623         GtkCTree *ctree;
1624         GtkCTreeNode *node;
1625
1626         g_return_if_fail(item != NULL);
1627
1628         for (list = folderview_list; list != NULL; list = list->next) {
1629                 folderview = (FolderView *)list->data;
1630                 ctree = GTK_CTREE(folderview->ctree);
1631
1632                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1633                 if (node) {
1634                         item->search_match = matches;
1635                         folderview_update_node(folderview, node);
1636                 }
1637         }
1638 }
1639
1640 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1641 {
1642         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1643         FolderView *folderview = (FolderView *)data;
1644         GtkCTree *ctree;
1645         GtkCTreeNode *node;
1646         g_return_val_if_fail(update_info != NULL, TRUE);
1647         g_return_val_if_fail(update_info->item != NULL, TRUE);
1648         g_return_val_if_fail(folderview != NULL, FALSE);
1649
1650         ctree = GTK_CTREE(folderview->ctree);
1651
1652         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1653         if (node) {
1654                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1655                         folderview_update_node(folderview, node);
1656                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1657                         summary_show(folderview->summaryview, update_info->item);
1658         }
1659
1660         return FALSE;
1661 }
1662
1663 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1664                                                 gpointer data)
1665 {
1666         /* CLAWS: share this joy with other hook functions ... */
1667         folder_item_update((FolderItem *)key,
1668                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1669 }
1670
1671 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1672 {
1673         GList *list;
1674         FolderItemUpdateFlags flags;
1675
1676         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1677                 : 0;
1678         for (list = folderview_list; list != NULL; list = list->next)
1679                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1680                                      GINT_TO_POINTER(flags));
1681 }
1682
1683 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1684                                       GNode *gnode, GtkCTreeNode *cnode,
1685                                       gpointer data)
1686 {
1687         FolderView *folderview = (FolderView *)data;
1688         FolderItem *item = FOLDER_ITEM(gnode->data);
1689
1690         g_return_val_if_fail(item != NULL, FALSE);
1691
1692         gtk_ctree_node_set_row_data(ctree, cnode, item);
1693         folderview_update_node(folderview, cnode);
1694
1695         return TRUE;
1696 }
1697
1698 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1699                                    gpointer data)
1700 {
1701         FolderView *folderview = (FolderView *)data;
1702         FolderItem *item;
1703
1704         if (GTK_CTREE_ROW(node)->children) {
1705                 item = gtk_ctree_node_get_row_data(ctree, node);
1706                 g_return_if_fail(item != NULL);
1707
1708                 if (!item->collapsed)
1709                         gtk_ctree_expand(ctree, node);
1710                 else
1711                         folderview_update_node(folderview, node);
1712         }
1713 }
1714
1715 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1716                                GtkCTreeNode *root, GtkCTreeNode **prev)
1717 {
1718         if (item) {
1719                 GtkCTreeNode *node, *parent, *sibling;
1720
1721                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1722                 if (!node)
1723                         g_warning("%s not found.\n", item->path);
1724                 else {
1725                         parent = GTK_CTREE_ROW(node)->parent;
1726                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1727                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1728                         else
1729                                 sibling = GTK_CTREE_ROW(parent)->children;
1730                         while (sibling) {
1731                                 FolderItem *tmp;
1732
1733                                 tmp = gtk_ctree_node_get_row_data
1734                                         (ctree, sibling);
1735                                 if (tmp->stype != F_NORMAL)
1736                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1737                                 else
1738                                         break;
1739                         }
1740                         if (node != sibling)
1741                                 gtk_ctree_move(ctree, node, parent, sibling);
1742                 }
1743
1744                 *prev = node;
1745         }
1746 }
1747
1748 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1749                                     Folder *folder)
1750 {
1751         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1752         GtkCTreeNode *prev = NULL;
1753
1754         gtk_sctree_sort_recursive(ctree, root);
1755
1756         if (root && GTK_CTREE_ROW(root)->parent) return;
1757
1758         set_special_folder(ctree, folder->inbox, root, &prev);
1759         set_special_folder(ctree, folder->outbox, root, &prev);
1760         set_special_folder(ctree, folder->draft, root, &prev);
1761         set_special_folder(ctree, folder->queue, root, &prev);
1762         set_special_folder(ctree, folder->trash, root, &prev);
1763 }
1764
1765 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1766 {
1767         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1768         GtkCTreeNode *root;
1769
1770         g_return_if_fail(folder != NULL);
1771
1772         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1773                                       folderview_gnode_func, folderview);
1774         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1775                                 folderview);
1776         folderview_sort_folders(folderview, root, folder);
1777 }
1778
1779 /* callback functions */
1780
1781 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1782                                           FolderView *folderview)
1783 {
1784         GtkCList *clist = GTK_CLIST(ctree);
1785         gint prev_row = -1, row = -1, column = -1;
1786         FolderItem *item;
1787         Folder *folder;
1788         FolderViewPopup *fpopup;
1789         GtkItemFactory *fpopup_factory;
1790         GtkWidget *popup;
1791         FolderItem *special_trash = NULL, *special_queue = NULL;
1792         PrefsAccount *ac;
1793
1794         if (!event) return FALSE;
1795
1796         if (event->button == 1 || event->button == 2) {
1797                 folderview->open_folder = TRUE;
1798
1799                 if (event->type == GDK_2BUTTON_PRESS) {
1800                         if (clist->selection) {
1801                                 GtkCTreeNode *node;
1802
1803                                 node = GTK_CTREE_NODE(clist->selection->data);
1804                                 if (node)
1805                                         gtk_ctree_toggle_expansion(
1806                                                 GTK_CTREE(ctree),
1807                                                 node);
1808                         }
1809                 }
1810                 return FALSE;
1811         }
1812
1813         if (event->button == 2 || event->button == 3) {
1814                 /* right clicked */
1815                 if (clist->selection) {
1816                         GtkCTreeNode *node;
1817
1818                         node = GTK_CTREE_NODE(clist->selection->data);
1819                         if (node)
1820                                 prev_row = gtkut_ctree_get_nth_from_node
1821                                         (GTK_CTREE(ctree), node);
1822                 }
1823
1824                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1825                                                   &row, &column))
1826                         return FALSE;
1827                 if (prev_row != row) {
1828                         gtk_clist_unselect_all(clist);
1829                         if (event->button == 2)
1830                                 folderview_select_node
1831                                         (folderview,
1832                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1833                                                             row));
1834                         else
1835                                 gtk_clist_select_row(clist, row, column);
1836                 }
1837         }
1838
1839         if (event->button != 3) return FALSE;
1840
1841         item = gtk_clist_get_row_data(clist, row);
1842         g_return_val_if_fail(item != NULL, FALSE);
1843         g_return_val_if_fail(item->folder != NULL, FALSE);
1844         folder = item->folder;
1845
1846         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1847         if (fpopup != NULL)
1848                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1849         else {
1850                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1851                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1852         }
1853
1854         if (fpopup->set_sensitivity != NULL)
1855                 fpopup->set_sensitivity(fpopup_factory, item);
1856
1857         if (NULL != (ac = account_find_from_item(item))) {
1858                 special_trash = account_get_special_folder(ac, F_TRASH);
1859                 special_queue = account_get_special_folder(ac, F_QUEUE);
1860         }
1861
1862         if ((item == folder->trash || item == special_trash
1863              || folder_has_parent_of_type(item, F_TRASH)) &&
1864             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1865                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1866                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1867         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1868                 && !folder_has_parent_of_type(item, F_TRASH)) {
1869                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1870                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1871         }
1872
1873         if ((item == folder->queue || item == special_queue
1874              || folder_has_parent_of_type(item, F_QUEUE)) &&
1875             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1876                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1877                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1878         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1879                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1880                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1881                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1882         }
1883
1884 #define SET_SENS(name, sens) \
1885         menu_set_sensitive(fpopup_factory, name, sens)
1886
1887         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1888         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1889                  folderview->selected == folderview->opened);
1890         SET_SENS("/Properties...", TRUE);
1891         SET_SENS("/Processing...", item->node->parent != NULL);
1892         if (item == folder->trash || item == special_trash
1893             || folder_has_parent_of_type(item, F_TRASH)) {
1894                 GSList *msglist = folder_item_get_msg_list(item);
1895                 SET_SENS("/Empty trash...", msglist != NULL);
1896                 procmsg_msg_list_free(msglist);
1897         }
1898         if (item == folder->queue || item == special_queue
1899             || folder_has_parent_of_type(item, F_QUEUE)) {
1900                 GSList *msglist = folder_item_get_msg_list(item);
1901                 SET_SENS("/Send queue...", msglist != NULL);
1902                 procmsg_msg_list_free(msglist);
1903         }
1904 #undef SET_SENS
1905
1906         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1907         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1908                        event->button, event->time);
1909
1910         return FALSE;
1911 }
1912
1913 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1914                                            FolderView *folderview)
1915 {
1916         if (!event) return FALSE;
1917
1918         if (event->button == 1 && folderview->open_folder == FALSE &&
1919             folderview->opened != NULL) {
1920                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1921                                           folderview->opened);
1922                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1923         }
1924
1925         return FALSE;
1926 }
1927
1928 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1929                                        FolderView *folderview)
1930 {
1931         if (!event) return FALSE;
1932
1933         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1934                 return FALSE;
1935
1936         switch (event->keyval) {
1937         case GDK_Return:
1938                 if (folderview->selected) {
1939                         folderview_select_node(folderview,
1940                                                folderview->selected);
1941                 }
1942                 break;
1943         case GDK_space:
1944                 if (folderview->selected) {
1945                         if (folderview->opened == folderview->selected &&
1946                             (!folderview->summaryview->folder_item ||
1947                              folderview->summaryview->folder_item->total_msgs == 0))
1948                                 folderview_select_next_unread(folderview);
1949                         else
1950                                 folderview_select_node(folderview,
1951                                                        folderview->selected);
1952                 }
1953                 break;
1954         default:
1955                 break;
1956         }
1957
1958         return FALSE;
1959 }
1960
1961 typedef struct _PostponedSelectData
1962 {
1963         GtkCTree *ctree;
1964         GtkCTreeNode *row;
1965         gint column;
1966         FolderView *folderview;
1967 } PostponedSelectData;
1968
1969 static gboolean postpone_select(void *data)
1970 {
1971         PostponedSelectData *psdata = (PostponedSelectData *)data;
1972         debug_print("trying again\n");
1973         psdata->folderview->open_folder = TRUE;
1974         main_window_cursor_normal(psdata->folderview->mainwin);
1975         STATUSBAR_POP(psdata->folderview->mainwin);
1976         folderview_selected(psdata->ctree, psdata->row,
1977                             psdata->column, psdata->folderview);
1978         g_free(psdata);
1979         return FALSE;
1980 }
1981
1982 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1983                                 gint column, FolderView *folderview)
1984 {
1985         static gboolean can_select = TRUE;      /* exclusive lock */
1986         gboolean opened;
1987         FolderItem *item;
1988         gchar *buf;
1989         int res = 0;
1990
1991         folderview->selected = row;
1992
1993         if (folderview->opened == row) {
1994                 folderview->open_folder = FALSE;
1995                 return;
1996         }
1997
1998         if (!can_select || summary_is_locked(folderview->summaryview)) {
1999                 if (folderview->opened) {
2000                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2001                         gtk_ctree_select(ctree, folderview->opened);
2002                 }
2003                 return;
2004         }
2005
2006         if (!folderview->open_folder) return;
2007
2008         item = gtk_ctree_node_get_row_data(ctree, row);
2009         if (!item || item->no_select) return;
2010
2011         can_select = FALSE;
2012
2013         /* Save cache for old folder */
2014         /* We don't want to lose all caches if sylpheed crashed */
2015         if (folderview->opened) {
2016                 FolderItem *olditem;
2017
2018                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
2019                 if (olditem) {
2020                         /* will be null if we just moved the previously opened folder */
2021                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2022                         summary_show(folderview->summaryview, NULL);
2023                         folder_item_close(olditem);
2024                 }
2025         }
2026
2027         /* CLAWS: set compose button type: news folder items
2028          * always have a news folder as parent */
2029         if (item->folder)
2030                 toolbar_set_compose_button
2031                         (folderview->mainwin->toolbar,
2032                          FOLDER_TYPE(item->folder) == F_NEWS ?
2033                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2034
2035         if (item->path)
2036                 debug_print("Folder %s is selected\n", item->path);
2037
2038         if (!GTK_CTREE_ROW(row)->children)
2039                 gtk_ctree_expand(ctree, row);
2040         if (folderview->opened &&
2041             !GTK_CTREE_ROW(folderview->opened)->children)
2042                 gtk_ctree_collapse(ctree, folderview->opened);
2043
2044         /* ungrab the mouse event */
2045         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2046                 gtk_grab_remove(GTK_WIDGET(ctree));
2047                 if (gdk_pointer_is_grabbed())
2048                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2049         }
2050
2051         /* Open Folder */
2052         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2053                                         item->path : "(null)");
2054         debug_print("%s\n", buf);
2055         STATUSBAR_PUSH(folderview->mainwin, buf);
2056         g_free(buf);
2057
2058         main_window_cursor_wait(folderview->mainwin);
2059
2060         res = folder_item_open(item);
2061         if (res == -1) {
2062                 main_window_cursor_normal(folderview->mainwin);
2063                 STATUSBAR_POP(folderview->mainwin);
2064
2065                 alertpanel_error(_("Folder could not be opened."));
2066
2067                 folderview->open_folder = FALSE;
2068                 can_select = TRUE;
2069
2070                 return;
2071         } else if (res == -2) {
2072                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2073                 data->ctree = ctree;
2074                 data->row = row;
2075                 data->column = column;
2076                 data->folderview = folderview;
2077                 debug_print("postponing open of %s till end of scan\n",
2078                         item->path ? item->path:item->name);
2079                 folderview->open_folder = FALSE;
2080                 can_select = TRUE;
2081                 g_timeout_add(500, postpone_select, data);
2082                 return;
2083         }
2084
2085         main_window_cursor_normal(folderview->mainwin);
2086
2087         /* Show messages */
2088         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2089         opened = summary_show(folderview->summaryview, item);
2090
2091         folder_clean_cache_memory(item);
2092
2093         if (!opened) {
2094                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2095                 gtk_ctree_select(ctree, folderview->opened);
2096         } else {
2097                 folderview->opened = row;
2098                 if (gtk_ctree_node_is_visible(ctree, row)
2099                     != GTK_VISIBILITY_FULL)
2100                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2101         }
2102
2103         STATUSBAR_POP(folderview->mainwin);
2104
2105         folderview->open_folder = FALSE;
2106         can_select = TRUE;
2107 }
2108
2109 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2110                                      FolderView *folderview)
2111 {
2112         FolderItem *item;
2113
2114         item = gtk_ctree_node_get_row_data(ctree, node);
2115         g_return_if_fail(item != NULL);
2116         item->collapsed = FALSE;
2117         folderview_update_node(folderview, node);
2118 }
2119
2120 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2121                                       FolderView *folderview)
2122 {
2123         FolderItem *item;
2124
2125         item = gtk_ctree_node_get_row_data(ctree, node);
2126         g_return_if_fail(item != NULL);
2127         item->collapsed = TRUE;
2128         folderview_update_node(folderview, node);
2129 }
2130
2131 static void folderview_popup_close(GtkMenuShell *menu_shell,
2132                                    FolderView *folderview)
2133 {
2134         if (!folderview->opened) return;
2135
2136         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2137 }
2138
2139 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2140                                    FolderView *folderview)
2141 {
2142         FolderColumnType type = folderview->col_state[column].type;
2143
2144         prefs_common.folder_col_size[type] = width;
2145 }
2146
2147 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2148 {
2149         GNode *srcnode;
2150
2151         folderview_create_folder_node(folderview, item);
2152
2153         if (!item || !item->folder || !item->folder->node)
2154                 return;
2155
2156         srcnode = item->folder->node;
2157         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2158         srcnode = srcnode->children;
2159         while (srcnode != NULL) {
2160                 if (srcnode && srcnode->data) {
2161                         FolderItem *next_item = (FolderItem*) srcnode->data;
2162                         folderview_create_folder_node_recursive(folderview, next_item);
2163                 }
2164                 srcnode = srcnode->next;
2165         }
2166 }
2167
2168 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2169 {
2170         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2171         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2172         GtkCTreeNode *node, *parent_node;
2173         gint *col_pos = folderview->col_pos;
2174         FolderItemUpdateData hookdata;
2175
2176         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2177         if (parent_node == NULL)
2178                 return;
2179
2180         gtk_clist_freeze(GTK_CLIST(ctree));
2181
2182         text[col_pos[F_COL_FOLDER]] = item->name;
2183         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2184                                      FOLDER_SPACING,
2185                                      folderxpm, folderxpmmask,
2186                                      folderopenxpm, folderopenxpmmask,
2187                                      FALSE, FALSE);
2188         gtk_ctree_expand(ctree, parent_node);
2189         gtk_ctree_node_set_row_data(ctree, node, item);
2190         if (normal_style)
2191                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2192         folderview_sort_folders(folderview, parent_node, item->folder);
2193
2194         hookdata.item = item;
2195         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2196         hookdata.msg = NULL;
2197         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2198
2199         gtk_clist_thaw(GTK_CLIST(ctree));
2200 }
2201
2202 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2203                                       GtkWidget *widget)
2204 {
2205         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2206         FolderItem *item;
2207         GSList *mlist = NULL;
2208         GSList *cur = NULL;
2209         FolderItem *special_trash = NULL;
2210         PrefsAccount *ac;
2211
2212         if (!folderview->selected) return;
2213         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2214         g_return_if_fail(item != NULL);
2215         g_return_if_fail(item->folder != NULL);
2216
2217         if (NULL != (ac = account_find_from_item(item)))
2218                 special_trash = account_get_special_folder(ac, F_TRASH);
2219
2220         if (item != item->folder->trash && item != special_trash
2221         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2222
2223         if (prefs_common.ask_on_clean) {
2224                 if (alertpanel(_("Empty trash"),
2225                                _("Delete all messages in trash?"),
2226                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2227                         return;
2228         }
2229
2230         mlist = folder_item_get_msg_list(item);
2231
2232         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2233                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2234                 if (MSG_IS_LOCKED(msginfo->flags))
2235                         continue;
2236                 /* is it partially received? (partial_recv isn't cached) */
2237                 if (msginfo->total_size != 0 &&
2238                     msginfo->size != (off_t)msginfo->total_size)
2239                         partial_mark_for_delete(msginfo);
2240         }
2241         procmsg_msg_list_free(mlist);
2242
2243         folder_item_remove_all_msg(item);
2244 }
2245
2246 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2247                                       GtkWidget *widget)
2248 {
2249         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2250         FolderItem *item;
2251         FolderItem *special_queue = NULL;
2252         PrefsAccount *ac;
2253         gchar *errstr = NULL;
2254
2255         if (!folderview->selected) return;
2256         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2257         g_return_if_fail(item != NULL);
2258         g_return_if_fail(item->folder != NULL);
2259
2260         if (NULL != (ac = account_find_from_item(item)))
2261                 special_queue = account_get_special_folder(ac, F_QUEUE);
2262
2263         if (item != item->folder->queue && item != special_queue
2264         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2265
2266         if (procmsg_queue_is_empty(item))
2267                 return;
2268
2269         if (prefs_common.work_offline)
2270                 if (alertpanel(_("Offline warning"),
2271                                _("You're working offline. Override?"),
2272                                GTK_STOCK_NO, GTK_STOCK_YES,
2273                                NULL) != G_ALERTALTERNATE)
2274                 return;
2275
2276         /* ask for confirmation before sending queued messages only
2277            in online mode and if there is at least one message queued
2278            in any of the folder queue
2279         */
2280         if (prefs_common.confirm_send_queued_messages) {
2281                 if (!prefs_common.work_offline) {
2282                         if (alertpanel(_("Send queued messages"),
2283                                    _("Send all queued messages?"),
2284                                    GTK_STOCK_CANCEL, _("_Send"),
2285                                    NULL) != G_ALERTALTERNATE)
2286                                 return;
2287                 }
2288         }
2289
2290         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2291                 if (!errstr)
2292                         alertpanel_error_log(_("Some errors occurred while "
2293                                            "sending queued messages."));
2294                 else {
2295                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2296                                         "while sending queued messages:\n%s"), errstr);
2297                         g_free(errstr);
2298                         alertpanel_error_log(tmp);
2299                         g_free(tmp);
2300                 }
2301         }
2302 }
2303
2304 static void folderview_search_cb(FolderView *folderview, guint action,
2305                                  GtkWidget *widget)
2306 {
2307         summary_search(folderview->summaryview);
2308 }
2309
2310 static void folderview_property_cb(FolderView *folderview, guint action,
2311                                    GtkWidget *widget)
2312 {
2313         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2314         FolderItem *item;
2315
2316         if (!folderview->selected) return;
2317
2318         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2319         g_return_if_fail(item != NULL);
2320         g_return_if_fail(item->folder != NULL);
2321
2322         prefs_folder_item_open(item);
2323 }
2324
2325 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2326 {
2327         GSList *list = NULL;
2328         GSList *done = NULL;
2329         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2330
2331         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2332                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2333                 &&  list->data != node) {
2334                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2335                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2336                 }
2337         }
2338         for (list = done; list != NULL; list = g_slist_next(list)) {
2339                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2340                                                                  list->data);
2341         }
2342         g_slist_free(done);
2343 }
2344
2345 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2346                             FolderItem *to_folder)
2347 {
2348         FolderItem *from_parent = NULL;
2349         FolderItem *new_folder = NULL;
2350         GtkCTreeNode *src_node = NULL;
2351         gchar *buf;
2352         gint status;
2353
2354         g_return_if_fail(folderview != NULL);
2355         g_return_if_fail(from_folder != NULL);
2356         g_return_if_fail(to_folder != NULL);
2357
2358         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2359         from_parent = folder_item_parent(from_folder);
2360
2361         if (prefs_common.warn_dnd) {
2362                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2363                                         "sub-folder of '%s' ?"), from_folder->name,
2364                                         to_folder->name);
2365                 status = alertpanel_full(_("Move folder"), buf,
2366                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2367                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2368                 g_free(buf);
2369
2370                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2371                         return;
2372                 else if (status & G_ALERTDISABLE)
2373                         prefs_common.warn_dnd = FALSE;
2374         }
2375
2376         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2377         STATUSBAR_PUSH(folderview->mainwin, buf);
2378         g_free(buf);
2379         summary_clear_all(folderview->summaryview);
2380         folderview->opened = NULL;
2381         folderview->selected = NULL;
2382         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2383         inc_lock();
2384         main_window_cursor_wait(folderview->mainwin);
2385         statusbar_verbosity_set(TRUE);
2386         folder_item_update_freeze();
2387         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2388                 statusbar_verbosity_set(FALSE);
2389                 main_window_cursor_normal(folderview->mainwin);
2390                 STATUSBAR_POP(folderview->mainwin);
2391                 folder_item_update_thaw();
2392                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2393
2394                 folderview_sort_folders(folderview,
2395                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2396                                 NULL, to_folder), new_folder->folder);
2397                 folderview_select(folderview, new_folder);
2398         } else {
2399                 statusbar_verbosity_set(FALSE);
2400                 main_window_cursor_normal(folderview->mainwin);
2401                 STATUSBAR_POP(folderview->mainwin);
2402                 folder_item_update_thaw();
2403                 switch (status) {
2404                 case F_MOVE_FAILED_DEST_IS_PARENT:
2405                         alertpanel_error(_("Source and destination are the same."));
2406                         break;
2407                 case F_MOVE_FAILED_DEST_IS_CHILD:
2408                         alertpanel_error(_("Can't move a folder to one of its children."));
2409                         break;
2410                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2411                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2412                         break;
2413                 default:
2414                         alertpanel_error(_("Move failed!"));
2415                         break;
2416                 }
2417         }
2418         inc_unlock();
2419         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2420 }
2421
2422 static gint folderview_clist_compare(GtkCList *clist,
2423                                      gconstpointer ptr1, gconstpointer ptr2)
2424 {
2425         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2426         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2427
2428         if (!item1->name)
2429                 return (item2->name != NULL);
2430         if (!item2->name)
2431                 return -1;
2432
2433         return g_utf8_collate(item1->name, item2->name);
2434 }
2435
2436 static void folderview_processing_cb(FolderView *folderview, guint action,
2437                                      GtkWidget *widget)
2438 {
2439         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2440         FolderItem *item;
2441         gchar *id, *title;
2442
2443         if (!folderview->selected) return;
2444
2445         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2446         g_return_if_fail(item != NULL);
2447         g_return_if_fail(item->folder != NULL);
2448
2449         id = folder_item_get_identifier(item);
2450         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2451         g_free (id);
2452
2453         prefs_filtering_open(&item->prefs->processing, title, NULL, NULL);
2454         g_free (title);
2455 }
2456
2457 void folderview_set_target_folder_color(gint color_op)
2458 {
2459         gint firstone = 1;
2460         GList *list;
2461         FolderView *folderview;
2462
2463         for (list = folderview_list; list != NULL; list = list->next) {
2464                 folderview = (FolderView *)list->data;
2465                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2466                 if (firstone) {
2467                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2468                                 folderview->color_op;
2469                         firstone = 0;
2470                 }
2471         }
2472 }
2473
2474 static gchar *last_font = NULL;
2475 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2476 {
2477         /* force reinit */
2478         g_free(last_font);
2479         last_font = NULL;
2480
2481 }
2482
2483 void folderview_reflect_prefs(void)
2484 {
2485         gboolean update_font = TRUE;
2486         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2487         FolderItem *item = folderview_get_selected_item(folderview);
2488         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2489                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2490         gint height = pos->value;
2491
2492         if (last_font && !strcmp(last_font, NORMAL_FONT))
2493                 update_font = FALSE;
2494
2495         g_free(last_font);
2496         last_font = g_strdup(NORMAL_FONT);
2497
2498         if (update_font) {
2499                 normal_style = normal_color_style = bold_style =
2500                         bold_color_style = bold_tgtfold_style = NULL;
2501
2502                 folderview_init(folderview);
2503         }
2504         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2505         folderview_column_set_titles(folderview);
2506         folderview_set_all();
2507
2508         g_signal_handlers_block_by_func
2509                 (G_OBJECT(folderview->ctree),
2510                  G_CALLBACK(folderview_selected), folderview);
2511
2512         if (item) {
2513                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2514                         GTK_CTREE(folderview->ctree), NULL, item);
2515
2516                 folderview_select(folderview, item);
2517                 folderview->selected = node;
2518         }
2519
2520         g_signal_handlers_unblock_by_func
2521                 (G_OBJECT(folderview->ctree),
2522                  G_CALLBACK(folderview_selected), folderview);
2523
2524         pos = gtk_scrolled_window_get_vadjustment(
2525                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2526         gtk_adjustment_set_value(pos, height);
2527         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2528 }
2529
2530 static void drag_state_stop(FolderView *folderview)
2531 {
2532         if (folderview->drag_timer)
2533                 gtk_timeout_remove(folderview->drag_timer);
2534         folderview->drag_timer = 0;
2535         folderview->drag_node = NULL;
2536 }
2537
2538 static gint folderview_defer_expand(FolderView *folderview)
2539 {
2540         if (folderview->drag_node) {
2541                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2542                 if (folderview->drag_item->collapsed) {
2543                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2544                         folderview->nodes_to_recollapse = g_slist_append
2545                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2546                 }
2547         }
2548         folderview->drag_item  = NULL;
2549         folderview->drag_timer = 0;
2550         return FALSE;
2551 }
2552
2553 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2554 {
2555         /* the idea is that we call drag_state_start() whenever we want expansion to
2556          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2557          * we need to call drag_state_stop() */
2558         drag_state_stop(folderview);
2559         /* request expansion */
2560         if (0 != (folderview->drag_timer = gtk_timeout_add
2561                         (prefs_common.hover_timeout,
2562                          (GtkFunction)folderview_defer_expand,
2563                          folderview))) {
2564                 folderview->drag_node = node;
2565                 folderview->drag_item = item;
2566         }
2567 }
2568
2569 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2570                                   FolderView       *folderview)
2571 {
2572         GdkDragContext *context;
2573
2574         g_return_if_fail(folderview != NULL);
2575         if (folderview->selected == NULL) return;
2576         if (folderview->nodes_to_recollapse)
2577                 g_slist_free(folderview->nodes_to_recollapse);
2578         folderview->nodes_to_recollapse = NULL;
2579         context = gtk_drag_begin(widget, folderview->target_list,
2580                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2581         gtk_drag_set_icon_default(context);
2582 }
2583
2584 static void folderview_drag_data_get(GtkWidget        *widget,
2585                                      GdkDragContext   *drag_context,
2586                                      GtkSelectionData *selection_data,
2587                                      guint             info,
2588                                      guint             time,
2589                                      FolderView       *folderview)
2590 {
2591         FolderItem *item;
2592         GList *cur;
2593         gchar *source = NULL;
2594         if (info == TARGET_DUMMY) {
2595                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2596                      cur != NULL; cur = cur->next) {
2597                         item = gtk_ctree_node_get_row_data
2598                                 (GTK_CTREE(folderview->ctree),
2599                                  GTK_CTREE_NODE(cur->data));
2600                         if (item) {
2601                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2602                                 gtk_selection_data_set(selection_data,
2603                                                        selection_data->target, 8,
2604                                                        source, strlen(source));
2605                                 break;
2606                         } else
2607                                 return;
2608                 }
2609         } else {
2610                 g_warning("unknown info %d\n", info);
2611         }
2612 }
2613
2614 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2615 {
2616         FolderUpdateData *hookdata;
2617         FolderView *folderview;
2618         GtkWidget *ctree;
2619
2620         hookdata = source;
2621         folderview = (FolderView *) userdata;
2622         g_return_val_if_fail(hookdata != NULL, FALSE);
2623         g_return_val_if_fail(folderview != NULL, FALSE);
2624
2625         ctree = folderview->ctree;
2626         g_return_val_if_fail(ctree != NULL, FALSE);
2627
2628         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2629                 folderview_create_folder_node(folderview, hookdata->item);
2630         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2631                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2632                                 NULL, folder_item_parent(hookdata->item));
2633                 folderview_sort_folders(folderview, node, hookdata->folder);
2634         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2635                 GtkCTreeNode *node;
2636
2637                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2638                 if (node != NULL)
2639                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2640         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2641                 folderview_set(folderview);
2642
2643         return FALSE;
2644 }
2645
2646 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2647                                           GdkDragContext *context,
2648                                           gint            x,
2649                                           gint            y,
2650                                           guint           time,
2651                                           FolderView     *folderview)
2652 {
2653         gint row, column;
2654         FolderItem *item = NULL, *src_item = NULL;
2655         GtkCTreeNode *node = NULL;
2656         gboolean acceptable = FALSE;
2657         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2658                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2659         int height = (int)pos->page_size;
2660         int total_height = (int)pos->upper;
2661         int vpos = (int) pos->value;
2662
2663         if (gtk_clist_get_selection_info
2664                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2665                 GtkWidget *srcwidget;
2666
2667                 if (y > height - 24 && height + vpos < total_height)
2668                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2669
2670                 if (y < 48 && y > 0)
2671                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2672
2673                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2674                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2675                 src_item = folderview->summaryview->folder_item;
2676
2677                 srcwidget = gtk_drag_get_source_widget(context);
2678                 if (srcwidget == folderview->summaryview->ctree) {
2679                         /* comes from summaryview */
2680                         /* we are copying messages, so only accept folder items that are not
2681                            the source item, are no root items and can copy messages */
2682                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2683                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2684                                 acceptable = TRUE;
2685                 } else if (srcwidget == folderview->ctree) {
2686                         /* comes from folderview */
2687                         /* we are moving folder items, only accept folders that are not
2688                            the source items and can copy messages and create folder items */
2689                         if (item && item->folder && src_item && src_item != item &&
2690                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2691                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2692                                 acceptable = TRUE;
2693                 } else {
2694                         /* comes from another app */
2695                         /* we are adding messages, so only accept folder items that are
2696                            no root items and can copy messages */
2697                         if (item && item->folder && folder_item_parent(item) != NULL
2698                             && FOLDER_CLASS(item->folder)->add_msg != NULL)
2699                                 acceptable = TRUE;
2700                 }
2701         }
2702
2703         if (acceptable || (src_item && src_item == item))
2704                 drag_state_start(folderview, node, item);
2705
2706         if (acceptable) {
2707                 g_signal_handlers_block_by_func
2708                         (G_OBJECT(widget),
2709                          G_CALLBACK(folderview_selected), folderview);
2710                 gtk_ctree_select(GTK_CTREE(widget), node);
2711                 g_signal_handlers_unblock_by_func
2712                         (G_OBJECT(widget),
2713                          G_CALLBACK(folderview_selected), folderview);
2714                 gdk_drag_status(context,
2715                                         (context->actions == GDK_ACTION_COPY ?
2716                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2717         } else {
2718                 if (folderview->opened)
2719                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2720                 gdk_drag_status(context, 0, time);
2721         }
2722
2723         return acceptable;
2724 }
2725
2726 static void folderview_drag_leave_cb(GtkWidget      *widget,
2727                                      GdkDragContext *context,
2728                                      guint           time,
2729                                      FolderView     *folderview)
2730 {
2731         drag_state_stop(folderview);
2732         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2733 }
2734
2735 static void free_info (gpointer stuff, gpointer data)
2736 {
2737         g_free(stuff);
2738 }
2739
2740 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2741                            guint time, FolderItem *item)
2742 {
2743         GList *list, *tmp;
2744         GSList *msglist = NULL;
2745         list = uri_list_extract_filenames(data);
2746         if (!(item && item->folder && folder_item_parent(item) != NULL
2747                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2748         {
2749                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2750                 return;
2751         }
2752         if (!list) {
2753                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2754                 return;
2755         }
2756         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2757                 MsgFileInfo *info = NULL;
2758
2759                 if (file_is_email((gchar *)tmp->data)) {
2760                         info = g_new0(MsgFileInfo, 1);
2761                         info->msginfo = NULL;
2762                         info->file = (gchar *)tmp->data;
2763                         msglist = g_slist_prepend(msglist, info);
2764                 }
2765         }
2766         if (msglist) {
2767                 msglist = g_slist_reverse(msglist);
2768                 folder_item_add_msgs(item, msglist, FALSE);
2769                 g_slist_foreach(msglist, free_info, NULL);
2770                 g_slist_free(msglist);
2771                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2772         } else {
2773                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2774         }
2775         list_free_strings(list);
2776         g_list_free(list);
2777 }
2778
2779 static void folderview_drag_received_cb(GtkWidget        *widget,
2780                                         GdkDragContext   *drag_context,
2781                                         gint              x,
2782                                         gint              y,
2783                                         GtkSelectionData *data,
2784                                         guint             info,
2785                                         guint             time,
2786                                         FolderView       *folderview)
2787 {
2788         gint row, column;
2789         FolderItem *item = NULL, *src_item;
2790         GtkCTreeNode *node;
2791
2792         if (info == TARGET_DUMMY) {
2793                 drag_state_stop(folderview);
2794                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2795                         /* comes from summaryview */
2796                         if (gtk_clist_get_selection_info
2797                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2798                                 return;
2799
2800                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2801                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2802                         src_item = folderview->summaryview->folder_item;
2803
2804                         /* re-check (due to acceptable possibly set for folder moves */
2805                         if (!(item && item->folder && item->path && !item->no_select &&
2806                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2807                                 return;
2808                         }
2809                         if (item && src_item) {
2810                                 switch (drag_context->action) {
2811                                 case GDK_ACTION_COPY:
2812                                         summary_copy_selected_to(folderview->summaryview, item);
2813                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2814                                         break;
2815                                 case GDK_ACTION_MOVE:
2816                                 case GDK_ACTION_DEFAULT:
2817                                 default:
2818                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2819                                                 summary_copy_selected_to(folderview->summaryview, item);
2820                                         else
2821                                                 summary_move_selected_to(folderview->summaryview, item);
2822                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2823                                 }
2824                         } else
2825                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2826                 } else {
2827                         /* comes from folderview */
2828                         char *source;
2829                         gboolean folder_is_normal = TRUE;
2830
2831                         source = data->data + 17;
2832                         if (gtk_clist_get_selection_info
2833                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2834                             || *source == 0) {
2835                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2836                                 return;
2837                         }
2838                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2839                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2840                         src_item = folder_find_item_from_identifier(source);
2841
2842                         folder_is_normal =
2843                                 src_item != NULL &&
2844                                 src_item->stype == F_NORMAL &&
2845                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2846                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2847                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2848                                 !folder_has_parent_of_type(src_item, F_TRASH);
2849                         if (!item || item->no_select || !src_item
2850                         ||  !folder_is_normal) {
2851                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2852                                 return;
2853                         }
2854
2855                         folderview_move_folder(folderview, src_item, item);
2856                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2857                 }
2858                 folderview->nodes_to_recollapse = NULL;
2859         } else if (info == TARGET_MAIL_URI_LIST) {
2860                 if (gtk_clist_get_selection_info
2861                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2862                         return;
2863
2864                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2865                 if (!node) {
2866                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2867                         return;
2868                 }
2869                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2870                 if (!item) {
2871                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2872                         return;
2873                 }
2874                 folderview_finish_dnd(data->data, drag_context, time, item);
2875         }
2876 }
2877
2878 static void folderview_drag_end_cb(GtkWidget        *widget,
2879                                    GdkDragContext   *drag_context,
2880                                    FolderView       *folderview)
2881 {
2882         drag_state_stop(folderview);
2883         g_slist_free(folderview->nodes_to_recollapse);
2884         folderview->nodes_to_recollapse = NULL;
2885 }
2886
2887 void folderview_register_popup(FolderViewPopup *fpopup)
2888 {
2889         GList *folderviews;
2890
2891         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2892                 FolderView *folderview = folderviews->data;
2893                 GtkItemFactory *factory;
2894
2895                 factory = create_ifactory(folderview, fpopup);
2896                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2897         }
2898         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2899 }
2900
2901 void folderview_unregister_popup(FolderViewPopup *fpopup)
2902 {
2903         GList *folderviews;
2904
2905         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2906                 FolderView *folderview = folderviews->data;
2907
2908                 g_hash_table_remove(folderview->popups, fpopup->klass);
2909         }
2910         g_hash_table_remove(folderview_popups, fpopup->klass);
2911 }