src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/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 #include "log.h"
  72
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 static GList *folderview_list = NULL;
  77
  78 static GtkStyle *normal_style;
  79 static GtkStyle *normal_color_style;
  80 static GtkStyle *bold_style;
  81 static GtkStyle *bold_color_style;
  82 static GtkStyle *bold_tgtfold_style;
  83
  84 static GdkPixmap *inboxxpm;
  85 static GdkBitmap *inboxxpmmask;
  86 static GdkPixmap *inboxhrmxpm;
  87 static GdkBitmap *inboxhrmxpmmask;
  88 static GdkPixmap *inboxopenxpm;
  89 static GdkBitmap *inboxopenxpmmask;
  90 static GdkPixmap *inboxopenhrmxpm;
  91 static GdkBitmap *inboxopenhrmxpmmask;
  92 static GdkPixmap *outboxxpm;
  93 static GdkBitmap *outboxxpmmask;
  94 static GdkPixmap *outboxhrmxpm;
  95 static GdkBitmap *outboxhrmxpmmask;
  96 static GdkPixmap *outboxopenxpm;
  97 static GdkBitmap *outboxopenxpmmask;
  98 static GdkPixmap *outboxopenhrmxpm;
  99 static GdkBitmap *outboxopenhrmxpmmask;
 100 static GdkPixmap *folderxpm;
 101 static GdkBitmap *folderxpmmask;
 102 static GdkPixmap *folderhrmxpm;
 103 static GdkBitmap *folderhrmxpmmask;
 104 static GdkPixmap *folderopenxpm;
 105 static GdkBitmap *folderopenxpmmask;
 106 static GdkPixmap *folderopenhrmxpm;
 107 static GdkBitmap *folderopenhrmxpmmask;
 108 static GdkPixmap *trashopenxpm;
 109 static GdkBitmap *trashopenxpmmask;
 110 static GdkPixmap *trashopenhrmxpm;
 111 static GdkBitmap *trashopenhrmxpmmask;
 112 static GdkPixmap *trashxpm;
 113 static GdkBitmap *trashxpmmask;
 114 static GdkPixmap *trashhrmxpm;
 115 static GdkBitmap *trashhrmxpmmask;
 116 static GdkPixmap *queuexpm;
 117 static GdkBitmap *queuexpmmask;
 118 static GdkPixmap *queuehrmxpm;
 119 static GdkBitmap *queuehrmxpmmask;
 120 static GdkPixmap *queueopenxpm;
 121 static GdkBitmap *queueopenxpmmask;
 122 static GdkPixmap *queueopenhrmxpm;
 123 static GdkBitmap *queueopenhrmxpmmask;
 124 static GdkPixmap *draftsxpm;
 125 static GdkBitmap *draftsxpmmask;
 126 static GdkPixmap *draftsopenxpm;
 127 static GdkBitmap *draftsopenxpmmask;
 128 static GdkPixmap *noselectxpm;
 129 static GdkBitmap *noselectxpmmask;
 130
 131 static GdkPixmap *m_inboxxpm;
 132 static GdkBitmap *m_inboxxpmmask;
 133 static GdkPixmap *m_inboxhrmxpm;
 134 static GdkBitmap *m_inboxhrmxpmmask;
 135 static GdkPixmap *m_inboxopenxpm;
 136 static GdkBitmap *m_inboxopenxpmmask;
 137 static GdkPixmap *m_inboxopenhrmxpm;
 138 static GdkBitmap *m_inboxopenhrmxpmmask;
 139 static GdkPixmap *m_outboxxpm;
 140 static GdkBitmap *m_outboxxpmmask;
 141 static GdkPixmap *m_outboxhrmxpm;
 142 static GdkBitmap *m_outboxhrmxpmmask;
 143 static GdkPixmap *m_outboxopenxpm;
 144 static GdkBitmap *m_outboxopenxpmmask;
 145 static GdkPixmap *m_outboxopenhrmxpm;
 146 static GdkBitmap *m_outboxopenhrmxpmmask;
 147 static GdkPixmap *m_folderxpm;
 148 static GdkBitmap *m_folderxpmmask;
 149 static GdkPixmap *m_folderhrmxpm;
 150 static GdkBitmap *m_folderhrmxpmmask;
 151 static GdkPixmap *m_folderopenxpm;
 152 static GdkBitmap *m_folderopenxpmmask;
 153 static GdkPixmap *m_folderopenhrmxpm;
 154 static GdkBitmap *m_folderopenhrmxpmmask;
 155 static GdkPixmap *m_trashopenxpm;
 156 static GdkBitmap *m_trashopenxpmmask;
 157 static GdkPixmap *m_trashopenhrmxpm;
 158 static GdkBitmap *m_trashopenhrmxpmmask;
 159 static GdkPixmap *m_trashxpm;
 160 static GdkBitmap *m_trashxpmmask;
 161 static GdkPixmap *m_trashhrmxpm;
 162 static GdkBitmap *m_trashhrmxpmmask;
 163 static GdkPixmap *m_queuexpm;
 164 static GdkBitmap *m_queuexpmmask;
 165 static GdkPixmap *m_queuehrmxpm;
 166 static GdkBitmap *m_queuehrmxpmmask;
 167 static GdkPixmap *m_queueopenxpm;
 168 static GdkBitmap *m_queueopenxpmmask;
 169 static GdkPixmap *m_queueopenhrmxpm;
 170 static GdkBitmap *m_queueopenhrmxpmmask;
 171 static GdkPixmap *m_draftsxpm;
 172 static GdkBitmap *m_draftsxpmmask;
 173 static GdkPixmap *m_draftsopenxpm;
 174 static GdkBitmap *m_draftsopenxpmmask;
 175
 176 static GdkPixmap *newxpm;
 177 static GdkBitmap *newxpmmask;
 178 static GdkPixmap *unreadxpm;
 179 static GdkBitmap *unreadxpmmask;
 180 static GdkPixmap *readxpm;
 181 static GdkBitmap *readxpmmask;
 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 static void folderview_run_processing_cb(FolderView     *folderview,
 241                                          guint           action,
 242                                          GtkWidget      *widget);
 243
 244 static void folderview_property_cb      (FolderView     *folderview,
 245                                          guint           action,
 246                                          GtkWidget      *widget);
 247
 248 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 249                                           GdkDragContext *context,
 250                                           gint            x,
 251                                           gint            y,
 252                                           guint           time,
 253                                           FolderView     *folderview);
 254 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 255                                           GdkDragContext   *context,
 256                                           guint             time,
 257                                           FolderView       *folderview);
 258 static void folderview_drag_received_cb  (GtkWidget        *widget,
 259                                           GdkDragContext   *drag_context,
 260                                           gint              x,
 261                                           gint              y,
 262                                           GtkSelectionData *data,
 263                                           guint             info,
 264                                           guint             time,
 265                                           FolderView       *folderview);
 266 #ifndef MAEMO
 267 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 268                                           FolderView       *folderview);
 269 #endif
 270 static void folderview_drag_data_get     (GtkWidget        *widget,
 271                                           GdkDragContext   *drag_context,
 272                                           GtkSelectionData *selection_data,
 273                                           guint             info,
 274                                           guint             time,
 275                                           FolderView       *folderview);
 276 static void folderview_drag_end_cb       (GtkWidget        *widget,
 277                                           GdkDragContext   *drag_context,
 278                                           FolderView       *folderview);
 279
 280 static void folderview_create_folder_node       (FolderView       *folderview,
 281                                           FolderItem       *item);
 282 static gboolean folderview_update_folder         (gpointer          source,
 283                                           gpointer          userdata);
 284 static gboolean folderview_update_item_claws     (gpointer          source,
 285                                           gpointer          data);
 286 static void folderview_processing_cb(FolderView *folderview, guint action,
 287                                      GtkWidget *widget);
 288 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 289                                 GdkEventButton *event);
 290
 291 GHashTable *folderview_popups;
 292
 293 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 294 {
 295         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 296         {"/---",                        NULL, NULL, 0, "<Separator>"},
 297         {N_("/R_un processing rules"),  NULL, folderview_run_processing_cb, 0, NULL},
 298         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 299         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 300         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 301 };
 302
 303 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 304         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 305         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 306 };
 307
 308 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 309         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 310         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 311 };
 312
 313
 314 GtkTargetEntry folderview_drag_types[] =
 315 {
 316         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 317         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 318 };
 319
 320 void folderview_initialize(void)
 321 {
 322         FolderViewPopup *fpopup;
 323         guint i, n_entries;
 324         GSList *entries = NULL;
 325
 326         fpopup = g_new0(FolderViewPopup, 1);
 327
 328         n_entries = sizeof(folderview_common_popup_entries) /
 329                 sizeof(folderview_common_popup_entries[0]);
 330         for (i = 0; i < n_entries; i++)
 331                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 332
 333         fpopup->klass = "common";
 334         fpopup->path = "<CommonFolder>";
 335         fpopup->entries = entries;
 336         fpopup->set_sensitivity = NULL;
 337
 338         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 339         g_hash_table_insert(folderview_popups, "common", fpopup);
 340 }
 341
 342 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 343 {
 344         GSList *entries;
 345         GtkItemFactory *factory;
 346         FolderViewPopup *fpopup_common;
 347         GtkWidget *popup;
 348
 349         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 350         gtk_item_factory_set_translate_func(factory, menu_translate,
 351                                             NULL, NULL);
 352
 353         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 354                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 355
 356         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 357         if (fpopup_common != fpopup)
 358                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 359                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 360
 361         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 362         g_signal_connect(G_OBJECT(popup), "selection_done",
 363                          G_CALLBACK(folderview_popup_close),
 364                          folderview);
 365
 366         return factory;
 367 }
 368
 369 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 370 {
 371         FolderView *folderview = data;
 372         FolderViewPopup *fpopup = value;
 373         GtkItemFactory *factory;
 374
 375         factory = create_ifactory(folderview, fpopup);
 376         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 377 }
 378
 379 static void folderview_column_set_titles(FolderView *folderview)
 380 {
 381         GtkWidget *ctree = folderview->ctree;
 382         GtkWidget *label_folder;
 383         GtkWidget *label_new;
 384         GtkWidget *label_unread;
 385         GtkWidget *label_total;
 386         GtkWidget *hbox_folder;
 387         GtkWidget *hbox_new;
 388         GtkWidget *hbox_unread;
 389         GtkWidget *hbox_total;
 390         gint *col_pos = folderview->col_pos;
 391
 392         debug_print("setting titles...\n");
 393         gtk_widget_realize(folderview->ctree);
 394         gtk_widget_show_all(folderview->scrolledwin);
 395
 396         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 397          * instead text (text overflows making them unreadable and ugly) */
 398         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 399                          &newxpm, &newxpmmask);
 400         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 401                          &unreadxpm, &unreadxpmmask);
 402         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 403                          &readxpm, &readxpmmask);
 404
 405         label_folder = gtk_label_new(_("Folder"));
 406         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 407         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 408         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 409
 410         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 411
 412         hbox_folder = gtk_hbox_new(FALSE, 4);
 413         hbox_new = gtk_hbox_new(FALSE, 4);
 414         hbox_unread = gtk_hbox_new(FALSE, 4);
 415         hbox_total = gtk_hbox_new(FALSE, 4);
 416
 417         /* left justified */
 418         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 419         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 420         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 421         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 422         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 423         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 424         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 425         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 426
 427         gtk_widget_show_all(hbox_folder);
 428         gtk_widget_show_all(hbox_new);
 429         gtk_widget_show_all(hbox_unread);
 430         gtk_widget_show_all(hbox_total);
 431
 432 #ifdef MAEMO
 433         gtk_widget_set_size_request(hbox_new, -1, 20);
 434         gtk_widget_set_size_request(hbox_unread, -1, 20);
 435         gtk_widget_set_size_request(hbox_total, -1, 20);
 436 #endif
 437
 438         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 439         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 440         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 441         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 442
 443 #ifdef MAEMO
 444         GTK_EVENTS_FLUSH();
 445 #endif
 446
 447         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 448         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 449         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 450 }
 451
 452 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 453 {
 454         FolderView *folderview = (FolderView *)data;
 455         GdkEventButton event;
 456         if (folderview_get_selected_item(folderview) == NULL)
 457                 return FALSE;
 458
 459         event.button = 3;
 460         event.time = gtk_get_current_event_time();
 461
 462         folderview_set_sens_and_popup_menu(folderview, -1,
 463                                 &event);
 464
 465         return TRUE;
 466 }
 467
 468
 469 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 470 {
 471         GtkWidget *ctree;
 472         gint *col_pos;
 473         FolderColumnState *col_state;
 474         FolderColumnType type;
 475         gchar *titles[N_FOLDER_COLS];
 476         gint i;
 477         GtkWidget *scrolledwin = folderview->scrolledwin;
 478
 479         debug_print("creating tree...\n");
 480         memset(titles, 0, sizeof(titles));
 481
 482         col_state = prefs_folder_column_get_config();
 483         memset(titles, 0, sizeof(titles));
 484
 485         col_pos = folderview->col_pos;
 486
 487         for (i = 0; i < N_FOLDER_COLS; i++) {
 488                 folderview->col_state[i] = col_state[i];
 489                 type = col_state[i].type;
 490                 col_pos[type] = i;
 491         }
 492
 493         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 494         titles[col_pos[F_COL_NEW]]    = _("New");
 495         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 496         /* TRANSLATORS: This in Number sign in American style */
 497         titles[col_pos[F_COL_TOTAL]]  = _("#");
 498
 499         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 500                                            titles);
 501
 502         if (prefs_common.show_col_headers == FALSE)
 503                 gtk_clist_column_titles_hide(GTK_CLIST(ctree));
 504
 505
 506         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 507         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 508                                            GTK_JUSTIFY_RIGHT);
 509         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 510                                            col_pos[F_COL_UNREAD],
 511                                            GTK_JUSTIFY_RIGHT);
 512         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 513                                            col_pos[F_COL_TOTAL],
 514                                            GTK_JUSTIFY_RIGHT);
 515         if (prefs_common.enable_dotted_lines) {
 516                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 517                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 518                                      GTK_CTREE_EXPANDER_SQUARE);
 519         } else {
 520                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 521                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 522                                      GTK_CTREE_EXPANDER_TRIANGLE);
 523         }
 524
 525         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 526         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 527
 528         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 529         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 530
 531         /* don't let title buttons take key focus */
 532         for (i = 0; i < N_FOLDER_COLS; i++) {
 533                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 534                                        GTK_CAN_FOCUS);
 535                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 536                                    prefs_common.folder_col_size[i]);
 537                 gtk_clist_set_column_visibility
 538                         (GTK_CLIST(ctree), i, col_state[i].visible);
 539         }
 540
 541         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 542                          G_CALLBACK(folderview_key_pressed),
 543                          folderview);
 544         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 545                          G_CALLBACK(folderview_button_pressed),
 546                          folderview);
 547 #ifndef MAEMO
 548         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 549                          G_CALLBACK(folderview_popup_menu), folderview);
 550 #else
 551         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 552                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 553         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 554                          G_CALLBACK(folderview_popup_menu), folderview);
 555 #endif
 556         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 557                          G_CALLBACK(folderview_button_released),
 558                          folderview);
 559         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 560                          G_CALLBACK(folderview_selected), folderview);
 561 #ifndef MAEMO
 562         /* drag-n-dropping folders on maemo is impractical as this
 563          * opens the folder almost everytime */
 564         g_signal_connect(G_OBJECT(ctree), "start_drag",
 565                          G_CALLBACK(folderview_start_drag), folderview);
 566 #endif
 567         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 568                          G_CALLBACK(folderview_drag_data_get),
 569                          folderview);
 570
 571         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 572                                G_CALLBACK(folderview_tree_expanded),
 573                                folderview);
 574         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 575                                G_CALLBACK(folderview_tree_collapsed),
 576                                folderview);
 577
 578         g_signal_connect(G_OBJECT(ctree), "resize_column",
 579                          G_CALLBACK(folderview_col_resized),
 580                          folderview);
 581
 582         /* drop callback */
 583         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 584                           folderview_drag_types, 2,
 585                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 586         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 587                          G_CALLBACK(folderview_drag_motion_cb),
 588                          folderview);
 589         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 590                          G_CALLBACK(folderview_drag_leave_cb),
 591                          folderview);
 592         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 593                          G_CALLBACK(folderview_drag_received_cb),
 594                          folderview);
 595         g_signal_connect(G_OBJECT(ctree), "drag_end",
 596                          G_CALLBACK(folderview_drag_end_cb),
 597                          folderview);
 598
 599         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 600
 601         return ctree;
 602 }
 603
 604 void folderview_set_column_order(FolderView *folderview)
 605 {
 606         GtkWidget *ctree;
 607         FolderItem *item = folderview_get_selected_item(folderview);
 608         GtkWidget *scrolledwin = folderview->scrolledwin;
 609
 610         debug_print("recreating tree...\n");
 611         gtk_widget_destroy(folderview->ctree);
 612
 613         folderview->ctree = ctree = folderview_ctree_create(folderview);
 614         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 615                                             GTK_CLIST(ctree)->hadjustment);
 616         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 617                                             GTK_CLIST(ctree)->vadjustment);
 618         gtk_widget_show(ctree);
 619
 620         folderview_set(folderview);
 621         folderview_column_set_titles(folderview);
 622
 623         folderview_select(folderview,item);
 624 }
 625
 626 FolderView *folderview_create(void)
 627 {
 628         FolderView *folderview;
 629         GtkWidget *scrolledwin;
 630         GtkWidget *ctree;
 631
 632         debug_print("Creating folder view...\n");
 633         folderview = g_new0(FolderView, 1);
 634
 635         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 636         gtk_scrolled_window_set_policy
 637                 (GTK_SCROLLED_WINDOW(scrolledwin),
 638                  GTK_POLICY_AUTOMATIC,
 639                  prefs_common.folderview_vscrollbar_policy);
 640         gtk_widget_set_size_request(scrolledwin,
 641                              prefs_common.folderview_width,
 642                              prefs_common.folderview_height);
 643
 644         folderview->scrolledwin  = scrolledwin;
 645         ctree = folderview_ctree_create(folderview);
 646
 647         /* create popup factories */
 648         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 649         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 650
 651         folderview->ctree        = ctree;
 652
 653         folderview->folder_update_callback_id =
 654                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 655         folderview->folder_item_update_callback_id =
 656                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 657
 658         gtk_widget_show_all(scrolledwin);
 659
 660         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 661         folderview_list = g_list_append(folderview_list, folderview);
 662         folderview->deferred_refresh_id = -1;
 663
 664         return folderview;
 665 }
 666
 667 void folderview_init(FolderView *folderview)
 668 {
 669         GtkWidget *ctree = folderview->ctree;
 670         GdkColor gdk_color;
 671
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 686         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 687         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 688         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 689         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 690         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 691         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 692         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 693         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 694         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 695
 696         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 697         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 698         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 699         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 700         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 701         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 702         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 703         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 704         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 705         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 706         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 707         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 708         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 709         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 710         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 711         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 712         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 713         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 714         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 715         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 716         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 717         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 718
 719         if (!normal_style) {
 720                 PangoFontDescription *font_desc;
 721                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 722                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 723                 if (font_desc) {
 724                         if (normal_style->font_desc)
 725                                 pango_font_description_free
 726                                         (normal_style->font_desc);
 727                         normal_style->font_desc = font_desc;
 728                 }
 729                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 730                 normal_color_style = gtk_style_copy(normal_style);
 731                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 732
 733                 gtk_widget_set_style(ctree, normal_style);
 734         }
 735
 736         if (!bold_style) {
 737                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 738                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 739                 pango_font_description_set_weight
 740                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 741                 bold_color_style = gtk_style_copy(bold_style);
 742                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 743
 744                 bold_tgtfold_style = gtk_style_copy(bold_style);
 745                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 746         }
 747 }
 748
 749 static gboolean folderview_defer_set(gpointer data)
 750 {
 751         FolderView *folderview = (FolderView *)data;
 752         MainWindow *mainwin = folderview->mainwin;
 753
 754         if (!mainwin)
 755                 return FALSE;
 756         if (mainwin->lock_count)
 757                 return TRUE;
 758
 759         debug_print("doing deferred folderview_set now\n");
 760         folderview_set(folderview);
 761
 762         folderview->deferred_refresh_id = -1;
 763         return FALSE;
 764 }
 765
 766 void folderview_set(FolderView *folderview)
 767 {
 768         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 769         MainWindow *mainwin = folderview->mainwin;
 770         FolderItem *sel_item = NULL, *op_item = NULL;
 771
 772         if (!mainwin)
 773                 return;
 774
 775         if (mainwin->lock_count) {
 776                 if (folderview->deferred_refresh_id == -1)
 777                         folderview->deferred_refresh_id =
 778                                 g_timeout_add(500, folderview_defer_set, folderview);
 779                 debug_print("deferred folderview_set\n");
 780                 return;
 781         }
 782
 783         inc_lock();
 784         debug_print("Setting folder info...\n");
 785         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 786
 787         main_window_cursor_wait(mainwin);
 788
 789         if (folderview->selected)
 790                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 791         if (folderview->opened)
 792                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 793
 794         folderview->selected = NULL;
 795         folderview->opened = NULL;
 796
 797         gtk_clist_freeze(GTK_CLIST(ctree));
 798         gtk_clist_clear(GTK_CLIST(ctree));
 799
 800         folderview_set_folders(folderview);
 801
 802         if (sel_item)
 803                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 804         if (op_item)
 805                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 806
 807         gtk_clist_thaw(GTK_CLIST(ctree));
 808         main_window_cursor_normal(mainwin);
 809         STATUSBAR_POP(mainwin);
 810         inc_unlock();
 811 }
 812
 813 void folderview_set_all(void)
 814 {
 815         GList *list;
 816
 817         for (list = folderview_list; list != NULL; list = list->next)
 818                 folderview_set((FolderView *)list->data);
 819 }
 820
 821 void folderview_select(FolderView *folderview, FolderItem *item)
 822 {
 823         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 824         GtkCTreeNode *node;
 825         GtkCTreeNode *old_selected = folderview->selected;
 826
 827         if (!item) return;
 828
 829         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 830         if (node) folderview_select_node(folderview, node);
 831
 832         if (old_selected != node)
 833                 folder_update_op_count();
 834 }
 835
 836 static void mark_all_read_cb(FolderView *folderview, guint action,
 837                              GtkWidget *widget)
 838 {
 839         FolderItem *item;
 840         AlertValue val;
 841
 842         item = folderview_get_selected_item(folderview);
 843         if (item == NULL)
 844                 return;
 845
 846         if (folderview->summaryview->folder_item != item
 847         &&  prefs_common.ask_mark_all_read) {
 848                 val = alertpanel_full(_("Mark all as read"),
 849                         _("Do you really want to mark all mails in this "
 850                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 851                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 852
 853                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 854                         return;
 855                 else if (val & G_ALERTDISABLE)
 856                         prefs_common.ask_mark_all_read = FALSE;
 857         }
 858
 859         summary_lock(folderview->summaryview);
 860         folder_item_update_freeze();
 861         if (folderview->summaryview->folder_item == item)
 862                 summary_freeze(folderview->summaryview);
 863         folderutils_mark_all_read(item);
 864         if (folderview->summaryview->folder_item == item)
 865                 summary_thaw(folderview->summaryview);
 866         folder_item_update_thaw();
 867         summary_unlock(folderview->summaryview);
 868 }
 869
 870 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 871 {
 872         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 873
 874         g_return_if_fail(node != NULL);
 875
 876         if (folderview->open_folder) {
 877                 return;
 878         }
 879
 880         folderview->open_folder = TRUE;
 881         gtkut_ctree_set_focus_row(ctree, node);
 882         gtk_ctree_select(ctree, node);
 883         if (folderview->summaryview->folder_item &&
 884             folderview->summaryview->folder_item->total_msgs > 0)
 885                 summary_grab_focus(folderview->summaryview);
 886         else
 887                 gtk_widget_grab_focus(folderview->ctree);
 888
 889         gtkut_ctree_expand_parent_all(ctree, node);
 890 }
 891
 892 void folderview_unselect(FolderView *folderview)
 893 {
 894         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 895                 gtk_ctree_collapse
 896                         (GTK_CTREE(folderview->ctree), folderview->opened);
 897
 898         folderview->selected = folderview->opened = NULL;
 899 }
 900
 901 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 902                                                  GtkCTreeNode *node)
 903 {
 904         FolderItem *item;
 905
 906         if (node)
 907                 node = gtkut_ctree_node_next(ctree, node);
 908         else
 909                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 910
 911         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 912                 item = gtk_ctree_node_get_row_data(ctree, node);
 913                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 914                         return node;
 915         }
 916
 917         return NULL;
 918 }
 919
 920 void folderview_select_next_marked(FolderView *folderview)
 921 {
 922         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 923         GtkCTreeNode *node = NULL;
 924         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 925         gboolean last_open = prefs_common.always_show_msg;
 926
 927         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 928         prefs_common.always_show_msg = TRUE;
 929
 930         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 931             != NULL) {
 932                 folderview_select_node(folderview, node);
 933                 goto out;
 934         }
 935
 936         if (!folderview->opened ||
 937             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 938                 goto out;
 939         }
 940         /* search again from the first node */
 941         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 942                 folderview_select_node(folderview, node);
 943
 944 out:
 945         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 946         prefs_common.always_show_msg = last_open;
 947 }
 948
 949 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 950                                                  GtkCTreeNode *node)
 951 {
 952         FolderItem *item;
 953
 954         if (node)
 955                 node = gtkut_ctree_node_next(ctree, node);
 956         else
 957                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 958
 959         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 960                 item = gtk_ctree_node_get_row_data(ctree, node);
 961                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 962                         return node;
 963         }
 964
 965         return NULL;
 966 }
 967
 968 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 969 {
 970         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 971         GtkCTreeNode *node = NULL;
 972         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 973         gboolean last_open = prefs_common.always_show_msg;
 974
 975         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 976         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 977
 978         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 979             != NULL) {
 980                 folderview_select_node(folderview, node);
 981                 goto out;
 982         }
 983
 984         if (!folderview->opened ||
 985             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 986                 goto out;
 987         }
 988         /* search again from the first node */
 989         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 990                 folderview_select_node(folderview, node);
 991
 992 out:
 993         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 994         prefs_common.always_show_msg = last_open;
 995 }
 996
 997 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 998                                                  GtkCTreeNode *node)
 999 {
1000         FolderItem *item;
1001
1002         if (node)
1003                 node = gtkut_ctree_node_next(ctree, node);
1004         else
1005                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1006
1007         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1008                 item = gtk_ctree_node_get_row_data(ctree, node);
1009                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
1010                         return node;
1011         }
1012
1013         return NULL;
1014 }
1015
1016 void folderview_select_next_new(FolderView *folderview)
1017 {
1018         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1019         GtkCTreeNode *node = NULL;
1020         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1021         gboolean last_open = prefs_common.always_show_msg;
1022
1023         prefs_common.summary_select_prio[0] = ACTION_NEW;
1024         prefs_common.always_show_msg = TRUE;
1025
1026         if ((node = folderview_find_next_new(ctree, folderview->opened))
1027             != NULL) {
1028                 folderview_select_node(folderview, node);
1029                 goto out;
1030         }
1031
1032         if (!folderview->opened ||
1033             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1034                 goto out;
1035         }
1036         /* search again from the first node */
1037         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1038                 folderview_select_node(folderview, node);
1039
1040 out:
1041         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1042         prefs_common.always_show_msg = last_open;
1043 }
1044
1045 FolderItem *folderview_get_selected_item(FolderView *folderview)
1046 {
1047         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1048
1049         if (!folderview->selected) return NULL;
1050         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1051 }
1052
1053 static void folderview_set_folders(FolderView *folderview)
1054 {
1055         GList *list;
1056         list = folder_get_list();
1057
1058         for (; list != NULL; list = list->next) {
1059                 folderview_append_folder(folderview, FOLDER(list->data));
1060         }
1061 }
1062
1063 static gchar *get_scan_str(FolderItem *item)
1064 {
1065         if (item->path)
1066                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1067                                       item->folder->name, G_DIR_SEPARATOR,
1068                                       item->path);
1069         else
1070                 return g_strdup_printf(_("Scanning folder %s ..."),
1071                                       item->folder->name);
1072 }
1073 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1074                                       gpointer data)
1075 {
1076         GList *list;
1077         for (list = folderview_list; list != NULL; list = list->next) {
1078                 FolderView *folderview = (FolderView *)list->data;
1079                 MainWindow *mainwin = folderview->mainwin;
1080                 gchar *str = get_scan_str(item);
1081
1082                 STATUSBAR_PUSH(mainwin, str);
1083                 STATUSBAR_POP(mainwin);
1084                 g_free(str);
1085         }
1086 }
1087
1088 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1089 {
1090         GtkWidget *window;
1091         MainWindow *mainwin = mainwindow_get_mainwindow();
1092         FolderView *folderview = NULL;
1093         GtkAdjustment *pos = NULL;
1094         gint height = 0;
1095
1096         g_return_if_fail(folder != NULL);
1097
1098         if (!folder->klass->scan_tree) return;
1099
1100         if (rebuild &&
1101             alertpanel_full(_("Rebuild folder tree"),
1102                          _("Rebuilding the folder tree will remove "
1103                            "local caches. Do you want to continue?"),
1104                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1105                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1106                 != G_ALERTALTERNATE) {
1107                 return;
1108         }
1109
1110         inc_lock();
1111         if (rebuild)
1112                 window = label_window_create(_("Rebuilding folder tree..."));
1113         else
1114                 window = label_window_create(_("Scanning folder tree..."));
1115
1116         if (mainwin)
1117                 folderview = mainwin->folderview;
1118
1119         if (folderview) {
1120                 pos = gtk_scrolled_window_get_vadjustment(
1121                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1122                 height = pos->value;
1123         }
1124
1125         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1126         folder_scan_tree(folder, rebuild);
1127         folder_set_ui_func(folder, NULL, NULL);
1128
1129         folderview_set_all();
1130
1131         if (folderview) {
1132                 pos = gtk_scrolled_window_get_vadjustment(
1133                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1134                 gtk_adjustment_set_value(pos, height);
1135                 gtk_adjustment_changed(pos);
1136         }
1137         label_window_destroy(window);
1138         inc_unlock();
1139 }
1140
1141 void folderview_fast_rescan_tree(Folder *folder)
1142 {
1143         GtkWidget *window;
1144         MainWindow *mainwin = mainwindow_get_mainwindow();
1145         FolderView *folderview = NULL;
1146         GtkAdjustment *pos = NULL;
1147         gint height = 0;
1148
1149         g_return_if_fail(folder != NULL);
1150
1151         if (!folder->klass->scan_tree) return;
1152
1153         inc_lock();
1154
1155         window = label_window_create(_("Scanning folder tree..."));
1156
1157         if (mainwin)
1158                 folderview = mainwin->folderview;
1159
1160         if (folderview) {
1161                 pos = gtk_scrolled_window_get_vadjustment(
1162                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1163                 height = pos->value;
1164         }
1165
1166         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1167         folder_fast_scan_tree(folder);
1168         folder_set_ui_func(folder, NULL, NULL);
1169
1170         folderview_set_all();
1171
1172         if (folderview) {
1173                 pos = gtk_scrolled_window_get_vadjustment(
1174                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1175                 gtk_adjustment_set_value(pos, height);
1176                 gtk_adjustment_changed(pos);
1177         }
1178         label_window_destroy(window);
1179         inc_unlock();
1180 }
1181
1182 /** folderview_check_new()
1183  *  Scan and update the folder and return the
1184  *  count the number of new messages since last check.
1185  *  \param folder the folder to check for new messages
1186  *  \return the number of new messages since last check
1187  */
1188 gint folderview_check_new(Folder *folder)
1189 {
1190         GList *list;
1191         FolderItem *item;
1192         FolderView *folderview;
1193         GtkCTree *ctree;
1194         GtkCTreeNode *node;
1195         gint new_msgs = 0;
1196         gint former_new_msgs = 0;
1197         gint former_new = 0, former_unread = 0, former_total;
1198
1199         for (list = folderview_list; list != NULL; list = list->next) {
1200                 folderview = (FolderView *)list->data;
1201                 ctree = GTK_CTREE(folderview->ctree);
1202                 folderview->scanning_folder = folder;
1203                 inc_lock();
1204                 main_window_lock(folderview->mainwin);
1205
1206                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1207                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1208                         gchar *str = NULL;
1209                         item = gtk_ctree_node_get_row_data(ctree, node);
1210                         if (!item || !item->path || !item->folder) continue;
1211                         if (item->no_select) continue;
1212                         if (folder && folder != item->folder) continue;
1213                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1214                         if (!item->prefs->newmailcheck) continue;
1215                         if (item->processing_pending == TRUE) {
1216                                 debug_print("skipping %s, processing pending\n",
1217                                         item->path ? item->path : item->name);
1218                                 continue;
1219                         }
1220                         if (item->scanning == TRUE) {
1221                                 debug_print("skipping %s, scanning\n",
1222                                         item->path ? item->path : item->name);
1223                                 continue;
1224                         }
1225
1226                         str = get_scan_str(item);
1227
1228                         STATUSBAR_PUSH(folderview->mainwin, str);
1229                         GTK_EVENTS_FLUSH();
1230                         g_free(str);
1231
1232                         folderview_scan_tree_func(item->folder, item, NULL);
1233                         former_new    = item->new_msgs;
1234                         former_unread = item->unread_msgs;
1235                         former_total  = item->total_msgs;
1236
1237                         if (item->folder->klass->scan_required &&
1238                             (item->folder->klass->scan_required(item->folder, item) ||
1239                              item->folder->inbox == item ||
1240                              item->opened == TRUE ||
1241                              item->processing_pending == TRUE)) {
1242                                 if (folder_item_scan(item) < 0) {
1243                                         if (folder) {
1244                                                 summaryview_unlock(folderview->summaryview, item);
1245                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1246                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1247                                                                 item->path ? item->path:item->name);
1248                                                         STATUSBAR_POP(folderview->mainwin);
1249                                                         continue;
1250                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1251                                                         STATUSBAR_POP(folderview->mainwin);
1252                                                         break;
1253                                                 }
1254                                         }
1255                                 }
1256                         } else if (!item->folder->klass->scan_required) {
1257                                 if (folder_item_scan(item) < 0) {
1258                                         summaryview_unlock(folderview->summaryview, item);
1259                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1260                                                 STATUSBAR_POP(folderview->mainwin);
1261                                                 break;
1262                                         }
1263                                 }
1264                         }
1265                         if (former_new    != item->new_msgs ||
1266                             former_unread != item->unread_msgs ||
1267                             former_total  != item->total_msgs)
1268                                 folderview_update_node(folderview, node);
1269
1270                         new_msgs += item->new_msgs;
1271                         former_new_msgs += former_new;
1272                         STATUSBAR_POP(folderview->mainwin);
1273                 }
1274                 folderview->scanning_folder = NULL;
1275                 main_window_unlock(folderview->mainwin);
1276                 inc_unlock();
1277         }
1278
1279         folder_write_list();
1280         /* Number of new messages since last check is the just the difference
1281          * between former_new_msgs and new_msgs. If new_msgs is less than
1282          * former_new_msgs, that would mean another session accessed the folder
1283          * and the result is not well defined.
1284          */
1285         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1286         return new_msgs;
1287 }
1288
1289 void folderview_check_new_all(void)
1290 {
1291         GList *list;
1292         GtkWidget *window;
1293         FolderView *folderview;
1294
1295         folderview = (FolderView *)folderview_list->data;
1296
1297         inc_lock();
1298         main_window_lock(folderview->mainwin);
1299         window = label_window_create
1300                 (_("Checking for new messages in all folders..."));
1301
1302         list = folder_get_list();
1303         for (; list != NULL; list = list->next) {
1304                 Folder *folder = list->data;
1305
1306                 folderview_check_new(folder);
1307         }
1308
1309         folder_write_list();
1310         folderview_set_all();
1311
1312         label_window_destroy(window);
1313         main_window_unlock(folderview->mainwin);
1314         inc_unlock();
1315 }
1316
1317 static gboolean folderview_have_new_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 &&
1332             (item->new_msgs > 0 ||
1333             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1334                 return TRUE;
1335         }
1336
1337         while (node != NULL) {
1338                 if (node && node->data) {
1339                         FolderItem *next_item = (FolderItem*) node->data;
1340                         node = node->next;
1341                         if (folderview_have_new_children_sub(folderview,
1342                                                              next_item, TRUE))
1343                                 return TRUE;
1344                 }
1345         }
1346
1347         return FALSE;
1348 }
1349
1350 static gboolean folderview_have_new_children(FolderView *folderview,
1351                                              FolderItem *item)
1352 {
1353         return folderview_have_new_children_sub(folderview, item, FALSE);
1354 }
1355
1356 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1357                                                     FolderItem *item,
1358                                                     gboolean in_sub)
1359 {
1360         GNode *node = NULL;
1361
1362         if (!item || !item->folder || !item->folder->node)
1363                 return FALSE;
1364
1365         node = item->folder->node;
1366
1367         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1368         node = node->children;
1369
1370         if (in_sub &&
1371             (item->unread_msgs > 0 ||
1372             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1373                 return TRUE;
1374         }
1375
1376         while (node != NULL) {
1377                 if (node && node->data) {
1378                         FolderItem *next_item = (FolderItem*) node->data;
1379                         node = node->next;
1380                         if (folderview_have_unread_children_sub(folderview,
1381                                                                 next_item,
1382                                                                 TRUE))
1383                                 return TRUE;
1384                 }
1385         }
1386
1387         return FALSE;
1388 }
1389
1390 static gboolean folderview_have_unread_children(FolderView *folderview,
1391                                                 FolderItem *item)
1392 {
1393         return folderview_have_unread_children_sub(folderview, item, FALSE);
1394 }
1395
1396 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1397                                                       FolderItem *item,
1398                                                       gboolean in_sub)
1399 {
1400         GNode *node = NULL;
1401
1402         if (!item || !item->folder || !item->folder->node)
1403                 return FALSE;
1404
1405         node = item->folder->node;
1406
1407         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1408         node = node->children;
1409
1410         if (in_sub && item->search_match){
1411                 return TRUE;
1412         }
1413
1414         while (node != NULL) {
1415                 if (node && node->data) {
1416                         FolderItem *next_item = (FolderItem*) node->data;
1417                         node = node->next;
1418                         if (folderview_have_matching_children_sub(folderview,
1419                                                                   next_item,
1420                                                                   TRUE))
1421                                 return TRUE;
1422                 }
1423         }
1424
1425         return FALSE;
1426 }
1427
1428 static gboolean folderview_have_matching_children(FolderView *folderview,
1429                                                   FolderItem *item)
1430 {
1431         return folderview_have_matching_children_sub(folderview, item, FALSE);
1432 }
1433
1434 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1435                                                     FolderItem *item,
1436                                                     gboolean in_sub)
1437 {
1438         GNode *node = NULL;
1439
1440         if (!item || !item->folder || !item->folder->node)
1441                 return FALSE;
1442
1443         node = item->folder->node;
1444
1445         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1446         node = node->children;
1447
1448         if (item->marked_msgs != 0) {
1449                 return TRUE;
1450         }
1451
1452         while (node != NULL) {
1453                 if (node && node->data) {
1454                         FolderItem *next_item = (FolderItem*) node->data;
1455                         node = node->next;
1456                         if (folderview_have_marked_children_sub(folderview,
1457                                                                 next_item, TRUE))
1458                                 return TRUE;
1459                 }
1460         }
1461
1462         return FALSE;
1463 }
1464
1465 static gboolean folderview_have_marked_children(FolderView *folderview,
1466                                              FolderItem *item)
1467 {
1468         return folderview_have_marked_children_sub(folderview, item, FALSE);
1469 }
1470
1471 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1472 {
1473         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1474         GtkStyle *style = NULL;
1475         GtkStyle *color_style = NULL;
1476         FolderItem *item;
1477         GdkPixmap *xpm, *openxpm;
1478         GdkBitmap *mask, *openmask;
1479         static GdkPixmap *searchicon;
1480         static GdkBitmap *searchmask;
1481         gboolean mark = FALSE;
1482         gchar *name;
1483         gchar *str;
1484         gboolean add_unread_mark;
1485         gboolean add_sub_match_mark;
1486         gboolean use_bold, use_color;
1487         gint *col_pos = folderview->col_pos;
1488         SpecialFolderItemType stype;
1489
1490         item = gtk_ctree_node_get_row_data(ctree, node);
1491         g_return_if_fail(item != NULL);
1492
1493         if (!GTK_CTREE_ROW(node)->expanded)
1494                 mark = folderview_have_marked_children(folderview, item);
1495         else
1496                 mark = (item->marked_msgs != 0);
1497
1498         stype = item->stype;
1499         if (stype == F_NORMAL) {
1500                 if (folder_has_parent_of_type(item, F_TRASH))
1501                         stype = F_TRASH;
1502                 else if (folder_has_parent_of_type(item, F_DRAFT))
1503                         stype = F_DRAFT;
1504                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1505                         stype = F_OUTBOX;
1506                 else if (folder_has_parent_of_type(item, F_QUEUE))
1507                         stype = F_QUEUE;
1508         }
1509         switch (stype) {
1510         case F_INBOX:
1511                 if (item->hide_read_msgs) {
1512                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1513                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1514                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1515                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1516                 } else {
1517                         xpm = mark?m_inboxxpm:inboxxpm;
1518                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1519                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1520                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1521                 }
1522                 break;
1523         case F_OUTBOX:
1524                 if (item->hide_read_msgs) {
1525                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1526                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1527                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1528                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1529                 } else {
1530                         xpm = mark?m_outboxxpm:outboxxpm;
1531                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1532                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1533                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1534                 }
1535                 break;
1536         case F_QUEUE:
1537                 if (item->hide_read_msgs) {
1538                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1539                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1540                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1541                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1542                 } else {
1543                         xpm = mark?m_queuexpm:queuexpm;
1544                         mask = mark?m_queuexpmmask:queuexpmmask;
1545                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1546                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1547                 }
1548                 break;
1549         case F_TRASH:
1550                 if (item->hide_read_msgs) {
1551                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1552                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1553                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1554                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1555                 } else {
1556                         xpm = mark?m_trashxpm:trashxpm;
1557                         mask = mark?m_trashxpmmask:trashxpmmask;
1558                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1559                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1560                 }
1561                 break;
1562         case F_DRAFT:
1563                 xpm = mark?m_draftsxpm:draftsxpm;
1564                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1565                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1566                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1567                 break;
1568         default:
1569                 if (item->hide_read_msgs) {
1570                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1571                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1572                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1573                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1574                 } else {
1575                         xpm = mark?m_folderxpm:folderxpm;
1576                         mask = mark?m_folderxpmmask:folderxpmmask;
1577                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1578                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1579                 }
1580         }
1581
1582         if (item->no_select) {
1583                 xpm = openxpm = noselectxpm;
1584                 mask = openmask = noselectxpmmask;
1585         }
1586
1587         name = folder_item_get_name(item);
1588
1589         if (!GTK_CTREE_ROW(node)->expanded) {
1590                 add_unread_mark = folderview_have_unread_children(
1591                                         folderview, item);
1592                 add_sub_match_mark = folderview_have_matching_children(
1593                                         folderview, item);
1594         } else {
1595                 add_unread_mark = FALSE;
1596                 add_sub_match_mark = FALSE;
1597         }
1598
1599         if (item->search_match) {
1600                 if (!searchicon) {
1601                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1602                          &searchicon, &searchmask);
1603                 }
1604                 xpm = openxpm = searchicon;
1605                 mask = openmask = searchmask;
1606         }
1607
1608         str = NULL;
1609         if (prefs_common.display_folder_unread) {
1610                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1611                         /* only total_msgs matters here */
1612                         if (item->total_msgs > 0) {
1613                                 /* show total number (should be equal to the unread number)
1614                                    and signs if any */
1615                                 str = g_strdup_printf("%s (%d%s%s)",
1616                                                         name, item->total_msgs,
1617                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1618                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1619                         }
1620         } else {
1621                         if (prefs_common.display_folder_unread == 1) {
1622                                 if (item->unread_msgs > 0) {
1623                                         /* show unread number and signs */
1624                                         str = g_strdup_printf("%s (%d%s%s)",
1625                                                                 name, item->unread_msgs,
1626                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1627                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1628                                 }
1629                         } else {
1630                                 if (item->total_msgs > 0) {
1631                                         /* show unread number, total number and signs if any */
1632                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1633                                                                 name, item->unread_msgs, item->total_msgs,
1634                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1635                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1636                                 }
1637                         }
1638                 }
1639                 if ((str == NULL) &&
1640                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1641                         /* no unread/total numbers, but at least one sign */
1642                         str = g_strdup_printf("%s (%s%s)",
1643                                                 name,
1644                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1645                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1646                 }
1647         }
1648         if (str == NULL) {
1649                 /* last fallback, folder name only or with ! sign */
1650                 str = g_strdup_printf("%s%s",
1651                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1652         }
1653                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1654                                         xpm, mask, openxpm, openmask,
1655                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1656                 g_free(str);
1657         g_free(name);
1658
1659         if (!folder_item_parent(item)) {
1660                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1661                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1662                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1663         } else {
1664                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1665                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1666                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1667         }
1668
1669         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1670             folder_has_parent_of_type(item, F_DRAFT) ||
1671             folder_has_parent_of_type(item, F_TRASH)) {
1672                 use_bold = use_color = FALSE;
1673         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1674                 /* highlight queue folder if there are any messages */
1675                 use_bold = use_color = (item->total_msgs > 0);
1676         } else {
1677                 /* if unread messages exist, print with bold font */
1678                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1679                                 || add_unread_mark;
1680                 /* if new messages exist, print with colored letter */
1681                 use_color =
1682                         (item->new_msgs > 0) ||
1683                         (add_unread_mark &&
1684                          folderview_have_new_children(folderview, item));
1685         }
1686
1687         gtk_ctree_node_set_foreground(ctree, node, NULL);
1688
1689         if (use_bold) {
1690                 GdkColor gdk_color;
1691
1692                 if (item->prefs->color > 0 && !use_color) {
1693                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1694                         color_style = gtk_style_copy(bold_style);
1695                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1696                         style = color_style;
1697                 } else if (use_color) {
1698                         style = bold_color_style;
1699                 } else
1700                         style = bold_style;
1701                 if (item->op_count > 0) {
1702                         style = bold_tgtfold_style;
1703                 }
1704         } else if (use_color) {
1705                 style = normal_color_style;
1706                 gtk_ctree_node_set_foreground(ctree, node,
1707                                               &folderview->color_new);
1708         } else if (item->op_count > 0) {
1709                 style = bold_tgtfold_style;
1710         } else if (item->prefs->color > 0) {
1711                 GdkColor gdk_color;
1712                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1713                 color_style = gtk_style_copy(normal_style);
1714                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1715                 style = color_style;
1716         } else {
1717                 style = normal_style;
1718         }
1719
1720         gtk_ctree_node_set_row_style(ctree, node, style);
1721
1722         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1723                 folderview_update_node(folderview, node);
1724 }
1725
1726 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1727 {
1728         GList *list;
1729         FolderView *folderview;
1730         GtkCTree *ctree;
1731         GtkCTreeNode *node;
1732
1733         g_return_if_fail(item != NULL);
1734
1735         for (list = folderview_list; list != NULL; list = list->next) {
1736                 folderview = (FolderView *)list->data;
1737                 ctree = GTK_CTREE(folderview->ctree);
1738
1739                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1740                 if (node) {
1741                         item->search_match = matches;
1742                         folderview_update_node(folderview, node);
1743                 }
1744         }
1745 }
1746
1747 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1748 {
1749         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1750         FolderView *folderview = (FolderView *)data;
1751         GtkCTree *ctree;
1752         GtkCTreeNode *node;
1753         g_return_val_if_fail(update_info != NULL, TRUE);
1754         g_return_val_if_fail(update_info->item != NULL, TRUE);
1755         g_return_val_if_fail(folderview != NULL, FALSE);
1756
1757         ctree = GTK_CTREE(folderview->ctree);
1758
1759         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1760
1761         if (node) {
1762                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1763                         folderview_update_node(folderview, node);
1764
1765                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1766                      update_info->item == folderview->summaryview->folder_item &&
1767                      update_info->item != NULL)
1768                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1769                                 summary_show(folderview->summaryview, update_info->item);
1770         }
1771
1772         return FALSE;
1773 }
1774
1775 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1776                                       GNode *gnode, GtkCTreeNode *cnode,
1777                                       gpointer data)
1778 {
1779         FolderView *folderview = (FolderView *)data;
1780         FolderItem *item = FOLDER_ITEM(gnode->data);
1781
1782         g_return_val_if_fail(item != NULL, FALSE);
1783
1784         gtk_ctree_node_set_row_data(ctree, cnode, item);
1785         folderview_update_node(folderview, cnode);
1786
1787         return TRUE;
1788 }
1789
1790 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1791                                    gpointer data)
1792 {
1793         FolderView *folderview = (FolderView *)data;
1794         FolderItem *item;
1795
1796         if (GTK_CTREE_ROW(node)->children) {
1797                 item = gtk_ctree_node_get_row_data(ctree, node);
1798                 g_return_if_fail(item != NULL);
1799
1800                 if (!item->collapsed)
1801                         gtk_ctree_expand(ctree, node);
1802                 else
1803                         folderview_update_node(folderview, node);
1804         }
1805 }
1806
1807 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1808                                GtkCTreeNode *root, GtkCTreeNode **prev)
1809 {
1810         if (item) {
1811                 GtkCTreeNode *node, *parent, *sibling;
1812
1813                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1814                 if (!node)
1815                         g_warning("%s not found.\n", item->path);
1816                 else {
1817                         parent = GTK_CTREE_ROW(node)->parent;
1818                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1819                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1820                         else
1821                                 sibling = GTK_CTREE_ROW(parent)->children;
1822                         while (sibling) {
1823                                 FolderItem *tmp;
1824
1825                                 tmp = gtk_ctree_node_get_row_data
1826                                         (ctree, sibling);
1827                                 if (tmp->stype != F_NORMAL)
1828                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1829                                 else
1830                                         break;
1831                         }
1832                         if (node != sibling)
1833                                 gtk_ctree_move(ctree, node, parent, sibling);
1834                 }
1835
1836                 *prev = node;
1837         }
1838 }
1839
1840 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1841                                     Folder *folder)
1842 {
1843         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1844         GtkCTreeNode *prev = NULL;
1845
1846         gtk_clist_freeze(GTK_CLIST(ctree));
1847         gtk_sctree_sort_recursive(ctree, root);
1848         if (root && GTK_CTREE_ROW(root)->parent) {
1849                 gtk_clist_thaw(GTK_CLIST(ctree));
1850                 return;
1851         }
1852         set_special_folder(ctree, folder->inbox, root, &prev);
1853         set_special_folder(ctree, folder->outbox, root, &prev);
1854         set_special_folder(ctree, folder->draft, root, &prev);
1855         set_special_folder(ctree, folder->queue, root, &prev);
1856         set_special_folder(ctree, folder->trash, root, &prev);
1857         gtk_clist_thaw(GTK_CLIST(ctree));
1858 }
1859
1860 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1861 {
1862         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1863         GtkCTreeNode *root;
1864
1865         g_return_if_fail(folder != NULL);
1866
1867         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1868                                       folderview_gnode_func, folderview);
1869         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1870                                 folderview);
1871         folderview_sort_folders(folderview, root, folder);
1872 }
1873
1874 /* callback functions */
1875 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1876                                 GdkEventButton *event)
1877 {
1878         GtkCList *clist = GTK_CLIST(folderview->ctree);
1879         FolderItem *item;
1880         Folder *folder;
1881         FolderViewPopup *fpopup;
1882         GtkItemFactory *fpopup_factory;
1883         GtkWidget *popup;
1884         FolderItem *special_trash = NULL, *special_queue = NULL;
1885         PrefsAccount *ac;
1886
1887         if (row > 0)
1888                 item = gtk_clist_get_row_data(clist, row);
1889         else
1890                 item = folderview_get_selected_item(folderview);
1891
1892         g_return_if_fail(item != NULL);
1893         g_return_if_fail(item->folder != NULL);
1894         folder = item->folder;
1895
1896         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1897         if (fpopup != NULL)
1898                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1899         else {
1900                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1901                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1902         }
1903
1904         if (fpopup->set_sensitivity != NULL)
1905                 fpopup->set_sensitivity(fpopup_factory, item);
1906
1907         if (NULL != (ac = account_find_from_item(item))) {
1908                 special_trash = account_get_special_folder(ac, F_TRASH);
1909                 special_queue = account_get_special_folder(ac, F_QUEUE);
1910         }
1911
1912         if ((item == folder->trash || item == special_trash
1913              || folder_has_parent_of_type(item, F_TRASH)) &&
1914             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1915                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1916                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1917         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1918                 && !folder_has_parent_of_type(item, F_TRASH)) {
1919                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1920                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1921         }
1922
1923         if ((item == folder->queue || item == special_queue
1924              || folder_has_parent_of_type(item, F_QUEUE)) &&
1925             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1926                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1927                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1928         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1929                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1930                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1931                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1932         }
1933
1934 #define SET_SENS(name, sens) \
1935         menu_set_sensitive(fpopup_factory, name, sens)
1936
1937         if ( FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_TYPE(item->folder) == F_IMAP )
1938                 SET_SENS("/Download messages", !item->no_select);
1939         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1940         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1941                  folderview->selected == folderview->opened);
1942         SET_SENS("/Run processing rules", item->prefs->processing &&
1943                  item->total_msgs >= 1);
1944         SET_SENS("/Properties...", !item->no_select);
1945         SET_SENS("/Processing...", item->node->parent != NULL && !item->no_select);
1946         if (item == folder->trash || item == special_trash
1947             || folder_has_parent_of_type(item, F_TRASH)) {
1948                 GSList *msglist = folder_item_get_msg_list(item);
1949                 SET_SENS("/Empty trash...", msglist != NULL);
1950                 procmsg_msg_list_free(msglist);
1951         }
1952         if (item == folder->queue || item == special_queue
1953             || folder_has_parent_of_type(item, F_QUEUE)) {
1954                 GSList *msglist = folder_item_get_msg_list(item);
1955                 SET_SENS("/Send queue...", msglist != NULL);
1956                 procmsg_msg_list_free(msglist);
1957         }
1958 #undef SET_SENS
1959
1960         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1961         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1962                        event->button, event->time);
1963 }
1964
1965 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1966                                           FolderView *folderview)
1967 {
1968         GtkCList *clist = GTK_CLIST(ctree);
1969         gint prev_row = -1, row = -1, column = -1;
1970
1971         if (!event) return FALSE;
1972
1973         if (event->button == 1 || event->button == 2) {
1974                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1975                         folderview->open_folder = TRUE;
1976
1977                 if (event->type == GDK_2BUTTON_PRESS) {
1978                         if (clist->selection) {
1979                                 GtkCTreeNode *node;
1980
1981                                 node = GTK_CTREE_NODE(clist->selection->data);
1982                                 if (node) {
1983                                         gtk_ctree_toggle_expansion(
1984                                                 GTK_CTREE(ctree),
1985                                                 node);
1986                                         folderview->open_folder = FALSE;
1987                                 }
1988                         }
1989                 }
1990                 return FALSE;
1991         }
1992
1993         if (event->button == 2 || event->button == 3) {
1994                 /* right clicked */
1995                 if (clist->selection) {
1996                         GtkCTreeNode *node;
1997
1998                         node = GTK_CTREE_NODE(clist->selection->data);
1999                         if (node)
2000                                 prev_row = gtkut_ctree_get_nth_from_node
2001                                         (GTK_CTREE(ctree), node);
2002                 }
2003
2004                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
2005                                                   &row, &column))
2006                         return FALSE;
2007                 if (prev_row != row) {
2008                         gtk_clist_unselect_all(clist);
2009                         if (event->button == 2)
2010                                 folderview_select_node
2011                                         (folderview,
2012                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
2013                                                             row));
2014                         else
2015                                 gtk_clist_select_row(clist, row, column);
2016                 }
2017         }
2018
2019         if (event->button != 3) return FALSE;
2020
2021         folderview_set_sens_and_popup_menu(folderview, row, event);
2022         return FALSE;
2023 }
2024
2025 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2026                                            FolderView *folderview)
2027 {
2028         int row = -1, column = -1;
2029
2030         if (!event) return FALSE;
2031
2032         if (!gtk_clist_get_selection_info(GTK_CLIST(ctree), event->x, event->y,
2033                                           &row, &column))
2034                 return FALSE;
2035         if (event->button == 1 && folderview->open_folder == FALSE &&
2036             folderview->opened != NULL) {
2037                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
2038                                           folderview->opened);
2039                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
2040         }
2041
2042         return FALSE;
2043 }
2044
2045 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2046                                        FolderView *folderview)
2047 {
2048         if (!event) return FALSE;
2049
2050         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2051                 return FALSE;
2052
2053         switch (event->keyval) {
2054         case GDK_Right:
2055 #ifndef MAEMO
2056         case GDK_Return:
2057         case GDK_KP_Enter:
2058 #endif
2059                 if (folderview->selected) {
2060                         folderview_select_node(folderview,
2061                                                folderview->selected);
2062                 }
2063                 break;
2064 #ifdef MAEMO
2065         case GDK_Return:
2066                 if (folderview->selected && GTK_CTREE_ROW(folderview->selected)->children) {
2067                         gtk_ctree_toggle_expansion(
2068                                 GTK_CTREE(folderview->ctree),
2069                                 folderview->selected);
2070                 }
2071                 break;
2072 #endif
2073         case GDK_space:
2074                 if (folderview->selected) {
2075                         if (folderview->opened == folderview->selected &&
2076                             (!folderview->summaryview->folder_item ||
2077                              folderview->summaryview->folder_item->total_msgs == 0))
2078                                 folderview_select_next_unread(folderview, TRUE);
2079                         else
2080                                 folderview_select_node(folderview,
2081                                                        folderview->selected);
2082                 }
2083                 break;
2084         default:
2085                 break;
2086         }
2087
2088         return FALSE;
2089 }
2090
2091 typedef struct _PostponedSelectData
2092 {
2093         GtkCTree *ctree;
2094         GtkCTreeNode *row;
2095         gint column;
2096         FolderView *folderview;
2097 } PostponedSelectData;
2098
2099 static gboolean postpone_select(void *data)
2100 {
2101         PostponedSelectData *psdata = (PostponedSelectData *)data;
2102         debug_print("trying again\n");
2103         psdata->folderview->open_folder = TRUE;
2104         main_window_cursor_normal(psdata->folderview->mainwin);
2105         STATUSBAR_POP(psdata->folderview->mainwin);
2106         folderview_selected(psdata->ctree, psdata->row,
2107                             psdata->column, psdata->folderview);
2108         g_free(psdata);
2109         return FALSE;
2110 }
2111
2112 void folderview_close_opened(FolderView *folderview)
2113 {
2114         if (folderview->opened) {
2115                 FolderItem *olditem;
2116
2117                 olditem = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree),
2118                                                       folderview->opened);
2119                 if (olditem) {
2120                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2121                                 olditem->path ? olditem->path:olditem->name);
2122                         /* will be null if we just moved the previously opened folder */
2123                         STATUSBAR_PUSH(folderview->mainwin, buf);
2124                         main_window_cursor_wait(folderview->mainwin);
2125                         g_free(buf);
2126                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2127                         summary_show(folderview->summaryview, NULL);
2128                         folder_item_close(olditem);
2129                         main_window_cursor_normal(folderview->mainwin);
2130                         STATUSBAR_POP(folderview->mainwin);
2131                 }
2132         }
2133
2134         if (folderview->opened &&
2135             !GTK_CTREE_ROW(folderview->opened)->children)
2136                 gtk_ctree_collapse(GTK_CTREE(folderview->ctree), folderview->opened);
2137
2138         folderview->opened = NULL;
2139 }
2140 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2141                                 gint column, FolderView *folderview)
2142 {
2143         static gboolean can_select = TRUE;      /* exclusive lock */
2144         gboolean opened;
2145         FolderItem *item;
2146         gchar *buf;
2147         int res = 0;
2148         GtkCTreeNode *old_opened = folderview->opened;
2149         START_TIMING("");
2150         folderview->selected = row;
2151
2152         debug_print("newly selected %p, opened %p\n", folderview->selected,
2153                         folderview->opened);
2154         if (folderview->opened == row) {
2155                 folderview->open_folder = FALSE;
2156                 END_TIMING();
2157                 return;
2158         }
2159
2160         item = gtk_ctree_node_get_row_data(ctree, row);
2161         if (!item) {
2162                 END_TIMING();
2163                 folderview->open_folder = FALSE;
2164                 return;
2165         }
2166
2167         if (!can_select || summary_is_locked(folderview->summaryview)) {
2168                 if (folderview->opened) {
2169                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2170                         gtk_ctree_select(ctree, folderview->opened);
2171                 }
2172                 folderview->open_folder = FALSE;
2173                 END_TIMING();
2174                 return;
2175         }
2176
2177         if (!folderview->open_folder) {
2178                 END_TIMING();
2179                 return;
2180         }
2181
2182         can_select = FALSE;
2183
2184         /* Save cache for old folder */
2185         /* We don't want to lose all caches if sylpheed crashed */
2186         /* resets folderview->opened to NULL */
2187         folderview_close_opened(folderview);
2188
2189         /* CLAWS: set compose button type: news folder items
2190          * always have a news folder as parent */
2191         if (item->folder)
2192                 toolbar_set_compose_button
2193                         (folderview->mainwin->toolbar,
2194                          FOLDER_TYPE(item->folder) == F_NEWS ?
2195                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2196
2197         if (item->path)
2198                 debug_print("Folder %s is selected\n", item->path);
2199
2200         if (!GTK_CTREE_ROW(row)->children)
2201                 gtk_ctree_expand(ctree, row);
2202
2203         /* ungrab the mouse event */
2204         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2205                 gtk_grab_remove(GTK_WIDGET(ctree));
2206                 if (gdk_pointer_is_grabbed())
2207                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2208         }
2209
2210         /* Open Folder */
2211         /* TODO: wwp: avoid displaying (null) in the status bar */
2212         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2213                                         item->path : "(null)");
2214         debug_print("%s\n", buf);
2215         STATUSBAR_PUSH(folderview->mainwin, buf);
2216         g_free(buf);
2217
2218         main_window_cursor_wait(folderview->mainwin);
2219
2220         if (folderview->scanning_folder == item->folder) {
2221                 res = -2;
2222         } else {
2223                 res = folder_item_open(item);
2224         }
2225
2226         if (res == -1 && item->no_select == FALSE) {
2227                 main_window_cursor_normal(folderview->mainwin);
2228                 STATUSBAR_POP(folderview->mainwin);
2229
2230                 alertpanel_error(_("Folder could not be opened."));
2231
2232                 folderview->open_folder = FALSE;
2233                 can_select = TRUE;
2234                 END_TIMING();
2235                 return;
2236         } else if (res == -2 && item->no_select == FALSE) {
2237                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2238                 data->ctree = ctree;
2239                 data->row = row;
2240                 data->column = column;
2241                 data->folderview = folderview;
2242                 debug_print("postponing open of %s till end of scan\n",
2243                         item->path ? item->path:item->name);
2244                 folderview->open_folder = FALSE;
2245                 can_select = TRUE;
2246                 g_timeout_add(500, postpone_select, data);
2247                 END_TIMING();
2248                 return;
2249         }
2250
2251         main_window_cursor_normal(folderview->mainwin);
2252
2253         /* Show messages */
2254         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2255         opened = summary_show(folderview->summaryview, item);
2256
2257         folder_clean_cache_memory(item);
2258
2259         if (!opened) {
2260                 gtkut_ctree_set_focus_row(ctree, old_opened);
2261                 gtk_ctree_select(ctree, old_opened);
2262                 folderview->opened = old_opened;
2263         } else {
2264                 folderview->opened = row;
2265                 if (gtk_ctree_node_is_visible(ctree, row)
2266                     != GTK_VISIBILITY_FULL)
2267                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2268         }
2269
2270         STATUSBAR_POP(folderview->mainwin);
2271
2272         folderview->open_folder = FALSE;
2273         can_select = TRUE;
2274         END_TIMING();
2275 }
2276
2277 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2278                                      FolderView *folderview)
2279 {
2280         FolderItem *item;
2281
2282         item = gtk_ctree_node_get_row_data(ctree, node);
2283         g_return_if_fail(item != NULL);
2284         item->collapsed = FALSE;
2285         folderview_update_node(folderview, node);
2286 }
2287
2288 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2289                                       FolderView *folderview)
2290 {
2291         FolderItem *item;
2292
2293         item = gtk_ctree_node_get_row_data(ctree, node);
2294         g_return_if_fail(item != NULL);
2295         item->collapsed = TRUE;
2296         folderview_update_node(folderview, node);
2297 }
2298
2299 static void folderview_popup_close(GtkMenuShell *menu_shell,
2300                                    FolderView *folderview)
2301 {
2302         if (!folderview->opened) return;
2303
2304         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2305 }
2306
2307 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2308                                    FolderView *folderview)
2309 {
2310         FolderColumnType type = folderview->col_state[column].type;
2311
2312         prefs_common.folder_col_size[type] = width;
2313 }
2314
2315 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2316 {
2317         GNode *srcnode;
2318
2319         folderview_create_folder_node(folderview, item);
2320
2321         if (!item || !item->folder || !item->folder->node)
2322                 return;
2323
2324         srcnode = item->folder->node;
2325         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2326         srcnode = srcnode->children;
2327         while (srcnode != NULL) {
2328                 if (srcnode && srcnode->data) {
2329                         FolderItem *next_item = (FolderItem*) srcnode->data;
2330                         folderview_create_folder_node_recursive(folderview, next_item);
2331                 }
2332                 srcnode = srcnode->next;
2333         }
2334 }
2335
2336 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2337 {
2338         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2339         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2340         GtkCTreeNode *node, *parent_node;
2341         gint *col_pos = folderview->col_pos;
2342         FolderItemUpdateData hookdata;
2343
2344         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2345         if (parent_node == NULL)
2346                 return;
2347
2348         gtk_clist_freeze(GTK_CLIST(ctree));
2349
2350         text[col_pos[F_COL_FOLDER]] = item->name;
2351         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2352                                      FOLDER_SPACING,
2353                                      folderxpm, folderxpmmask,
2354                                      folderopenxpm, folderopenxpmmask,
2355                                      FALSE, FALSE);
2356         gtk_ctree_expand(ctree, parent_node);
2357         gtk_ctree_node_set_row_data(ctree, node, item);
2358         if (normal_style)
2359                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2360         folderview_sort_folders(folderview, parent_node, item->folder);
2361
2362         hookdata.item = item;
2363         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2364         hookdata.msg = NULL;
2365         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2366
2367         gtk_clist_thaw(GTK_CLIST(ctree));
2368 }
2369
2370 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2371                                       GtkWidget *widget)
2372 {
2373         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2374         FolderItem *item;
2375         GSList *mlist = NULL;
2376         GSList *cur = NULL;
2377         FolderItem *special_trash = NULL;
2378         PrefsAccount *ac;
2379
2380         if (!folderview->selected) return;
2381         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2382         g_return_if_fail(item != NULL);
2383         g_return_if_fail(item->folder != NULL);
2384
2385         if (NULL != (ac = account_find_from_item(item)))
2386                 special_trash = account_get_special_folder(ac, F_TRASH);
2387
2388         if (item != item->folder->trash && item != special_trash
2389         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2390
2391         if (prefs_common.ask_on_clean) {
2392                 if (alertpanel(_("Empty trash"),
2393                                _("Delete all messages in trash?"),
2394                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2395                         return;
2396         }
2397
2398         mlist = folder_item_get_msg_list(item);
2399
2400         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2401                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2402                 if (MSG_IS_LOCKED(msginfo->flags))
2403                         continue;
2404                 /* is it partially received? (partial_recv isn't cached) */
2405                 if (msginfo->total_size != 0 &&
2406                     msginfo->size != (off_t)msginfo->total_size)
2407                         partial_mark_for_delete(msginfo);
2408         }
2409         procmsg_msg_list_free(mlist);
2410
2411         folder_item_remove_all_msg(item);
2412 }
2413
2414 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2415                                       GtkWidget *widget)
2416 {
2417         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2418         FolderItem *item;
2419         FolderItem *special_queue = NULL;
2420         PrefsAccount *ac;
2421         gchar *errstr = NULL;
2422
2423         if (!folderview->selected) return;
2424         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2425         g_return_if_fail(item != NULL);
2426         g_return_if_fail(item->folder != NULL);
2427
2428         if (NULL != (ac = account_find_from_item(item)))
2429                 special_queue = account_get_special_folder(ac, F_QUEUE);
2430
2431         if (item != item->folder->queue && item != special_queue
2432         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2433
2434         if (procmsg_queue_is_empty(item))
2435                 return;
2436
2437         if (prefs_common.work_offline)
2438                 if (alertpanel(_("Offline warning"),
2439                                _("You're working offline. Override?"),
2440                                GTK_STOCK_NO, GTK_STOCK_YES,
2441                                NULL) != G_ALERTALTERNATE)
2442                 return;
2443
2444         /* ask for confirmation before sending queued messages only
2445            in online mode and if there is at least one message queued
2446            in any of the folder queue
2447         */
2448         if (prefs_common.confirm_send_queued_messages) {
2449                 if (!prefs_common.work_offline) {
2450                         if (alertpanel(_("Send queued messages"),
2451                                    _("Send all queued messages?"),
2452                                    GTK_STOCK_CANCEL, _("_Send"),
2453                                    NULL) != G_ALERTALTERNATE)
2454                                 return;
2455                 }
2456         }
2457
2458         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2459                 if (!errstr)
2460                         alertpanel_error_log(_("Some errors occurred while "
2461                                            "sending queued messages."));
2462                 else {
2463                         alertpanel_error_log(_("Some errors occurred "
2464                                         "while sending queued messages:\n%s"), errstr);
2465                         g_free(errstr);
2466                 }
2467         }
2468 }
2469
2470 static void folderview_search_cb(FolderView *folderview, guint action,
2471                                  GtkWidget *widget)
2472 {
2473         summary_search(folderview->summaryview);
2474 }
2475
2476 static void folderview_run_processing_cb(FolderView *folderview, guint action,
2477                                  GtkWidget *widget)
2478 {
2479         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2480         FolderItem *item;
2481
2482         if (!folderview->selected) return;
2483
2484         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2485         g_return_if_fail(item != NULL);
2486         g_return_if_fail(item->folder != NULL);
2487
2488         folder_item_apply_processing(item);
2489 }
2490
2491 static void folderview_property_cb(FolderView *folderview, guint action,
2492                                    GtkWidget *widget)
2493 {
2494         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2495         FolderItem *item;
2496
2497         if (!folderview->selected) return;
2498
2499         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2500         g_return_if_fail(item != NULL);
2501         g_return_if_fail(item->folder != NULL);
2502
2503         prefs_folder_item_open(item);
2504 }
2505
2506 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2507 {
2508         GSList *list = NULL;
2509         GSList *done = NULL;
2510         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2511
2512         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2513                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2514                 &&  list->data != node) {
2515                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2516                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2517                 }
2518         }
2519         for (list = done; list != NULL; list = g_slist_next(list)) {
2520                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2521                                                                  list->data);
2522         }
2523         g_slist_free(done);
2524 }
2525
2526 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2527                             FolderItem *to_folder, gboolean copy)
2528 {
2529         FolderItem *from_parent = NULL;
2530         FolderItem *new_folder = NULL;
2531         GtkCTreeNode *src_node = NULL;
2532         gchar *buf;
2533         gint status;
2534
2535         g_return_if_fail(folderview != NULL);
2536         g_return_if_fail(from_folder != NULL);
2537         g_return_if_fail(to_folder != NULL);
2538
2539         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2540         from_parent = folder_item_parent(from_folder);
2541
2542         if (prefs_common.warn_dnd) {
2543                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2544                                              _("Do you really want to make folder '%s' a subfolder of '%s' ?"),
2545                                         from_folder->name, to_folder->name);
2546                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2547                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2548                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2549                 g_free(buf);
2550
2551                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2552                         return;
2553                 else if (status & G_ALERTDISABLE)
2554                         prefs_common.warn_dnd = FALSE;
2555         }
2556
2557         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2558                                 from_folder->name, to_folder->name);
2559         STATUSBAR_PUSH(folderview->mainwin, buf);
2560         g_free(buf);
2561         summary_clear_all(folderview->summaryview);
2562         folderview->opened = NULL;
2563         folderview->selected = NULL;
2564         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2565         inc_lock();
2566         main_window_cursor_wait(folderview->mainwin);
2567
2568         statusbar_verbosity_set(FALSE);
2569         folder_item_update_freeze();
2570         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2571                 statusbar_verbosity_set(FALSE);
2572                 main_window_cursor_normal(folderview->mainwin);
2573                 STATUSBAR_POP(folderview->mainwin);
2574                 folder_item_update_thaw();
2575                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2576
2577                 folderview_sort_folders(folderview,
2578                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2579                                 NULL, to_folder), new_folder->folder);
2580                 folderview_select(folderview, new_folder);
2581         } else {
2582                 statusbar_verbosity_set(FALSE);
2583                 main_window_cursor_normal(folderview->mainwin);
2584                 STATUSBAR_POP(folderview->mainwin);
2585                 folder_item_update_thaw();
2586                 switch (status) {
2587                 case F_MOVE_FAILED_DEST_IS_PARENT:
2588                         alertpanel_error(_("Source and destination are the same."));
2589                         break;
2590                 case F_MOVE_FAILED_DEST_IS_CHILD:
2591                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2592                                                 _("Can't move a folder to one of its children."));
2593                         break;
2594                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2595                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2596                         break;
2597                 default:
2598                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2599                         break;
2600                 }
2601         }
2602         inc_unlock();
2603         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2604 }
2605
2606 static gint folderview_clist_compare(GtkCList *clist,
2607                                      gconstpointer ptr1, gconstpointer ptr2)
2608 {
2609         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2610         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2611
2612         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2613         {
2614                 return item1->order - item2->order;
2615         }
2616
2617         // if only one folder has an order it comes first
2618         if (item1->order > 0)
2619         {
2620                 return -1;
2621         }
2622         if (item2->order > 0)
2623         {
2624                 return 1;
2625         }
2626
2627         if (!item1->name)
2628                 return (item2->name != NULL);
2629         if (!item2->name)
2630                 return -1;
2631
2632         return g_utf8_collate(item1->name, item2->name);
2633 }
2634
2635 static void folderview_processing_cb(FolderView *folderview, guint action,
2636                                      GtkWidget *widget)
2637 {
2638         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2639         FolderItem *item;
2640         gchar *id, *title;
2641
2642         if (!folderview->selected) return;
2643
2644         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2645         g_return_if_fail(item != NULL);
2646         g_return_if_fail(item->folder != NULL);
2647
2648         id = folder_item_get_identifier(item);
2649         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2650         g_free (id);
2651
2652         prefs_filtering_open(&item->prefs->processing, title,
2653                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2654         g_free (title);
2655 }
2656
2657 void folderview_set_target_folder_color(gint color_op)
2658 {
2659         gint firstone = 1;
2660         GList *list;
2661         FolderView *folderview;
2662
2663         for (list = folderview_list; list != NULL; list = list->next) {
2664                 folderview = (FolderView *)list->data;
2665                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2666                 if (firstone) {
2667                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2668                                 folderview->color_op;
2669                         firstone = 0;
2670                 }
2671         }
2672 }
2673
2674 static gchar *last_font = NULL;
2675 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2676 {
2677         /* force reinit */
2678         g_free(last_font);
2679         last_font = NULL;
2680
2681 }
2682
2683 void folderview_reflect_prefs(void)
2684 {
2685         gboolean update_font = TRUE;
2686         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2687         FolderItem *item = folderview_get_selected_item(folderview);
2688         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2689                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2690         gint height = pos->value;
2691
2692         if (last_font && !strcmp(last_font, NORMAL_FONT))
2693                 update_font = FALSE;
2694
2695         g_free(last_font);
2696         last_font = g_strdup(NORMAL_FONT);
2697
2698         if (update_font) {
2699                 normal_style = normal_color_style = bold_style =
2700                         bold_color_style = bold_tgtfold_style = NULL;
2701
2702                 folderview_init(folderview);
2703         }
2704         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2705         folderview_column_set_titles(folderview);
2706         folderview_set_all();
2707
2708         g_signal_handlers_block_by_func
2709                 (G_OBJECT(folderview->ctree),
2710                  G_CALLBACK(folderview_selected), folderview);
2711
2712         if (item) {
2713                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2714                         GTK_CTREE(folderview->ctree), NULL, item);
2715
2716                 folderview_select(folderview, item);
2717                 folderview->open_folder = FALSE;
2718                 folderview->selected = node;
2719         }
2720
2721         g_signal_handlers_unblock_by_func
2722                 (G_OBJECT(folderview->ctree),
2723                  G_CALLBACK(folderview_selected), folderview);
2724
2725         pos = gtk_scrolled_window_get_vadjustment(
2726                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2727         gtk_adjustment_set_value(pos, height);
2728         gtk_adjustment_changed(pos);
2729         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2730 }
2731
2732 static void drag_state_stop(FolderView *folderview)
2733 {
2734         if (folderview->drag_timer)
2735                 g_source_remove(folderview->drag_timer);
2736         folderview->drag_timer = 0;
2737         folderview->drag_node = NULL;
2738 }
2739
2740 static gint folderview_defer_expand(FolderView *folderview)
2741 {
2742         if (folderview->drag_node) {
2743                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2744                 if (folderview->drag_item->collapsed) {
2745                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2746                         folderview->nodes_to_recollapse = g_slist_append
2747                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2748                 }
2749         }
2750         folderview->drag_item  = NULL;
2751         folderview->drag_timer = 0;
2752         return FALSE;
2753 }
2754
2755 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2756 {
2757         /* the idea is that we call drag_state_start() whenever we want expansion to
2758          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2759          * we need to call drag_state_stop() */
2760         drag_state_stop(folderview);
2761         /* request expansion */
2762         if (0 != (folderview->drag_timer = g_timeout_add
2763                         (prefs_common.hover_timeout,
2764                          (GtkFunction)folderview_defer_expand,
2765                          folderview))) {
2766                 folderview->drag_node = node;
2767                 folderview->drag_item = item;
2768         }
2769 }
2770 #ifndef MAEMO
2771 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2772                                   FolderView       *folderview)
2773 {
2774         GdkDragContext *context;
2775
2776         g_return_if_fail(folderview != NULL);
2777         if (folderview->selected == NULL) return;
2778         if (folderview->nodes_to_recollapse)
2779                 g_slist_free(folderview->nodes_to_recollapse);
2780         folderview->nodes_to_recollapse = NULL;
2781         context = gtk_drag_begin(widget, folderview->target_list,
2782                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2783         gtk_drag_set_icon_default(context);
2784 }
2785 #endif
2786 static void folderview_drag_data_get(GtkWidget        *widget,
2787                                      GdkDragContext   *drag_context,
2788                                      GtkSelectionData *selection_data,
2789                                      guint             info,
2790                                      guint             time,
2791                                      FolderView       *folderview)
2792 {
2793         FolderItem *item;
2794         GList *cur;
2795         gchar *source = NULL;
2796         if (info == TARGET_DUMMY) {
2797                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2798                      cur != NULL; cur = cur->next) {
2799                         item = gtk_ctree_node_get_row_data
2800                                 (GTK_CTREE(folderview->ctree),
2801                                  GTK_CTREE_NODE(cur->data));
2802                         if (item) {
2803                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2804                                 gtk_selection_data_set(selection_data,
2805                                                        selection_data->target, 8,
2806                                                        source, strlen(source));
2807                                 break;
2808                         } else
2809                                 return;
2810                 }
2811         } else {
2812                 g_warning("unknown info %d\n", info);
2813         }
2814 }
2815
2816 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2817 {
2818         FolderUpdateData *hookdata;
2819         FolderView *folderview;
2820         GtkWidget *ctree;
2821
2822         hookdata = source;
2823         folderview = (FolderView *) userdata;
2824         g_return_val_if_fail(hookdata != NULL, FALSE);
2825         g_return_val_if_fail(folderview != NULL, FALSE);
2826
2827         ctree = folderview->ctree;
2828         g_return_val_if_fail(ctree != NULL, FALSE);
2829
2830         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2831                 folderview_create_folder_node(folderview, hookdata->item);
2832         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2833                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2834                                 NULL, folder_item_parent(hookdata->item));
2835                 folderview_sort_folders(folderview, node, hookdata->folder);
2836         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2837                 GtkCTreeNode *node;
2838
2839                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2840                 if (node != NULL) {
2841                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2842                         if (folderview->selected == node)
2843                                 folderview->selected = NULL;
2844                         if (folderview->opened == node)
2845                                 folderview->opened = NULL;
2846                 }
2847         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2848                 folderview_set(folderview);
2849
2850         return FALSE;
2851 }
2852
2853 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2854                                           GdkDragContext *context,
2855                                           gint            x,
2856                                           gint            y,
2857                                           guint           time,
2858                                           FolderView     *folderview)
2859 {
2860         gint row, column;
2861         FolderItem *item = NULL, *src_item = NULL;
2862         GtkCTreeNode *node = NULL;
2863         gboolean acceptable = FALSE;
2864         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2865                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2866         int height = (int)pos->page_size;
2867         int total_height = (int)pos->upper;
2868         int vpos = (int) pos->value;
2869         int offset = prefs_common.show_col_headers ? 24:0;
2870
2871         if (gtk_clist_get_selection_info
2872                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column)) {
2873                 GtkWidget *srcwidget;
2874
2875                 if (y > height - 24 && height + vpos < total_height) {
2876                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2877                         gtk_adjustment_changed(pos);
2878                 }
2879                 if (y < 48 && y > 0) {
2880                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2881                         gtk_adjustment_changed(pos);
2882                 }
2883
2884                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2885                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2886                 src_item = folderview->summaryview->folder_item;
2887
2888                 srcwidget = gtk_drag_get_source_widget(context);
2889                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2890                         /* comes from summaryview */
2891                         /* we are copying messages, so only accept folder items that are not
2892                            the source item, are no root items and can copy messages */
2893                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2894                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2895                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2896                                 acceptable = TRUE;
2897                 } else if (srcwidget == folderview->ctree) {
2898                         /* comes from folderview */
2899                         /* we are moving folder items, only accept folders that are not
2900                            the source items and can copy messages and create folder items */
2901                         if (item && item->folder && src_item && src_item != item &&
2902                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2903                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2904                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2905                              || item->folder == src_item->folder))
2906                                 acceptable = TRUE;
2907                 } else {
2908                         /* comes from another app */
2909                         /* we are adding messages, so only accept folder items that are
2910                            no root items and can copy messages */
2911                         if (item && item->folder && folder_item_parent(item) != NULL
2912                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2913                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2914                                 acceptable = TRUE;
2915                 }
2916         }
2917
2918         if (acceptable || (src_item && src_item == item))
2919                 drag_state_start(folderview, node, item);
2920
2921         if (acceptable) {
2922                 g_signal_handlers_block_by_func
2923                         (G_OBJECT(widget),
2924                          G_CALLBACK(folderview_selected), folderview);
2925                 gtk_ctree_select(GTK_CTREE(widget), node);
2926                 g_signal_handlers_unblock_by_func
2927                         (G_OBJECT(widget),
2928                          G_CALLBACK(folderview_selected), folderview);
2929                 gdk_drag_status(context,
2930                                         (context->actions == GDK_ACTION_COPY ?
2931                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2932         } else {
2933                 if (folderview->opened)
2934                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2935                 gdk_drag_status(context, 0, time);
2936         }
2937
2938         return acceptable;
2939 }
2940
2941 static void folderview_drag_leave_cb(GtkWidget      *widget,
2942                                      GdkDragContext *context,
2943                                      guint           time,
2944                                      FolderView     *folderview)
2945 {
2946         drag_state_stop(folderview);
2947         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2948 }
2949
2950 static void free_info (gpointer stuff, gpointer data)
2951 {
2952         g_free(stuff);
2953 }
2954
2955 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2956                            guint time, FolderItem *item)
2957 {
2958         GList *list, *tmp;
2959         GSList *msglist = NULL;
2960         list = uri_list_extract_filenames(data);
2961         if (!(item && item->folder && folder_item_parent(item) != NULL
2962                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2963         {
2964                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2965                 debug_print("item doesn't fit\n");
2966                 return;
2967         }
2968         if (!list) {
2969                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2970                 debug_print("list is empty\n");
2971                 return;
2972         }
2973         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2974                 MsgFileInfo *info = NULL;
2975
2976                 if (file_is_email((gchar *)tmp->data)) {
2977                         info = g_new0(MsgFileInfo, 1);
2978                         info->msginfo = NULL;
2979                         info->file = (gchar *)tmp->data;
2980                         msglist = g_slist_prepend(msglist, info);
2981                         debug_print("file is a mail\n");
2982                 } else {
2983                         debug_print("file isn't a mail\n");
2984                 }
2985         }
2986         if (msglist) {
2987                 msglist = g_slist_reverse(msglist);
2988                 folder_item_add_msgs(item, msglist, FALSE);
2989                 g_slist_foreach(msglist, free_info, NULL);
2990                 g_slist_free(msglist);
2991                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2992         } else {
2993                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2994         }
2995         list_free_strings(list);
2996         g_list_free(list);
2997 }
2998
2999 static void folderview_drag_received_cb(GtkWidget        *widget,
3000                                         GdkDragContext   *drag_context,
3001                                         gint              x,
3002                                         gint              y,
3003                                         GtkSelectionData *data,
3004                                         guint             info,
3005                                         guint             time,
3006                                         FolderView       *folderview)
3007 {
3008         gint row, column;
3009         FolderItem *item = NULL, *src_item;
3010         GtkCTreeNode *node;
3011         int offset = prefs_common.show_col_headers ? 24:0;
3012
3013         if (info == TARGET_DUMMY) {
3014                 drag_state_stop(folderview);
3015                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
3016                         /* comes from summaryview */
3017                         if (gtk_clist_get_selection_info
3018                                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3019                                 return;
3020
3021                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3022                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3023                         src_item = folderview->summaryview->folder_item;
3024
3025                         if (item->no_select) {
3026                                 alertpanel_error(_("The destination folder can only be used to "
3027                                                    "store subfolders."));
3028                                 return;
3029                         }
3030                         /* re-check (due to acceptable possibly set for folder moves */
3031                         if (!(item && item->folder && item->path && !item->no_select &&
3032                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3033                                 return;
3034                         }
3035                         if (item && src_item) {
3036                                 switch (drag_context->action) {
3037                                 case GDK_ACTION_COPY:
3038                                         summary_copy_selected_to(folderview->summaryview, item);
3039                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3040                                         break;
3041                                 case GDK_ACTION_MOVE:
3042                                 case GDK_ACTION_DEFAULT:
3043                                 default:
3044                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3045                                                 summary_copy_selected_to(folderview->summaryview, item);
3046                                         else
3047                                                 summary_move_selected_to(folderview->summaryview, item);
3048                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3049                                 }
3050                         } else
3051                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3052                 } else {
3053                         /* comes from folderview */
3054                         char *source;
3055                         gboolean folder_is_normal = TRUE;
3056                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
3057
3058                         source = data->data + 17;
3059                         if (gtk_clist_get_selection_info
3060                             (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0
3061                             || *source == 0) {
3062                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3063                                 return;
3064                         }
3065                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3066                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3067                         src_item = folder_find_item_from_identifier(source);
3068
3069                         folder_is_normal =
3070                                 src_item != NULL &&
3071                                 src_item->stype == F_NORMAL &&
3072                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3073                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3074                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3075                                 !folder_has_parent_of_type(src_item, F_TRASH);
3076                         if (!item || !src_item || !folder_is_normal) {
3077                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3078                                 return;
3079                         }
3080
3081                         folderview_move_folder(folderview, src_item, item, copy);
3082                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3083                 }
3084                 folderview->nodes_to_recollapse = NULL;
3085         } else if (info == TARGET_MAIL_URI_LIST) {
3086                 if (gtk_clist_get_selection_info
3087                         (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3088                         return;
3089
3090                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3091                 if (!node) {
3092                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3093                         debug_print("no node\n");
3094                         return;
3095                 }
3096                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3097                 if (!item) {
3098                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3099                         debug_print("no item\n");
3100                         return;
3101                 }
3102                 folderview_finish_dnd(data->data, drag_context, time, item);
3103         }
3104 }
3105
3106 static void folderview_drag_end_cb(GtkWidget        *widget,
3107                                    GdkDragContext   *drag_context,
3108                                    FolderView       *folderview)
3109 {
3110         drag_state_stop(folderview);
3111         g_slist_free(folderview->nodes_to_recollapse);
3112         folderview->nodes_to_recollapse = NULL;
3113 }
3114
3115 void folderview_register_popup(FolderViewPopup *fpopup)
3116 {
3117         GList *folderviews;
3118
3119         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3120                 FolderView *folderview = folderviews->data;
3121                 GtkItemFactory *factory;
3122
3123                 factory = create_ifactory(folderview, fpopup);
3124                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3125         }
3126         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3127 }
3128
3129 void folderview_unregister_popup(FolderViewPopup *fpopup)
3130 {
3131         GList *folderviews;
3132
3133         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3134                 FolderView *folderview = folderviews->data;
3135
3136                 g_hash_table_remove(folderview->popups, fpopup->klass);
3137         }
3138         g_hash_table_remove(folderview_popups, fpopup->klass);
3139 }