src/folderview.c

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