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 GENERIC_UMPC
 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 GENERIC_UMPC
 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 GENERIC_UMPC
 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 GENERIC_UMPC
 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 = folderview->ctree;
 607         FolderItem *item = folderview_get_selected_item(folderview);
 608         FolderItem *sel_item = NULL, *op_item = NULL;
 609         GtkWidget *scrolledwin = folderview->scrolledwin;
 610
 611         if (folderview->selected)
 612                 sel_item = gtk_ctree_node_get_row_data(GTK_CTREE(ctree), folderview->selected);
 613         if (folderview->opened)
 614                 op_item = gtk_ctree_node_get_row_data(GTK_CTREE(ctree), folderview->opened);
 615
 616         debug_print("recreating tree...\n");
 617         gtk_widget_destroy(folderview->ctree);
 618
 619
 620         folderview->ctree = ctree = folderview_ctree_create(folderview);
 621         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 622                                             GTK_CLIST(ctree)->hadjustment);
 623         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 624                                             GTK_CLIST(ctree)->vadjustment);
 625         gtk_widget_show(ctree);
 626
 627         if (sel_item)
 628                 folderview->selected = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, sel_item);
 629         if (op_item)
 630                 folderview->opened = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, op_item);
 631
 632         folderview_set(folderview);
 633         folderview_column_set_titles(folderview);
 634
 635         folderview_select(folderview,item);
 636 }
 637
 638 FolderView *folderview_create(void)
 639 {
 640         FolderView *folderview;
 641         GtkWidget *scrolledwin;
 642         GtkWidget *ctree;
 643
 644         debug_print("Creating folder view...\n");
 645         folderview = g_new0(FolderView, 1);
 646
 647         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 648         gtk_scrolled_window_set_policy
 649                 (GTK_SCROLLED_WINDOW(scrolledwin),
 650                  GTK_POLICY_AUTOMATIC,
 651                  prefs_common.folderview_vscrollbar_policy);
 652         gtk_widget_set_size_request(scrolledwin,
 653                              prefs_common.folderview_width,
 654                              prefs_common.folderview_height);
 655
 656         folderview->scrolledwin  = scrolledwin;
 657         ctree = folderview_ctree_create(folderview);
 658
 659         /* create popup factories */
 660         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 661         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 662
 663         folderview->ctree        = ctree;
 664
 665         folderview->folder_update_callback_id =
 666                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 667         folderview->folder_item_update_callback_id =
 668                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 669
 670         gtk_widget_show_all(scrolledwin);
 671
 672         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 673         folderview_list = g_list_append(folderview_list, folderview);
 674         folderview->deferred_refresh_id = -1;
 675
 676         return folderview;
 677 }
 678
 679 void folderview_init(FolderView *folderview)
 680 {
 681         GtkWidget *ctree = folderview->ctree;
 682         GdkColor gdk_color;
 683
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 686         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 687         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 688         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 689         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 690         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 691         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 692         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 693         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 694         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 695         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 696         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 697         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 698         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 699         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 700         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 701         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 702         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 703         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 704         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 705         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 706         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 707
 708         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 709         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 710         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 711         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 712         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 713         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 714         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 715         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 716         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 717         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 718         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 719         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 720         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 721         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 722         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 723         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 724         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 725         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 726         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 727         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 728         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 729         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 730
 731         if (!normal_style) {
 732                 PangoFontDescription *font_desc;
 733                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 734                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 735                 if (font_desc) {
 736                         if (normal_style->font_desc)
 737                                 pango_font_description_free
 738                                         (normal_style->font_desc);
 739                         normal_style->font_desc = font_desc;
 740                 }
 741                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 742                 normal_color_style = gtk_style_copy(normal_style);
 743                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 744
 745                 gtk_widget_set_style(ctree, normal_style);
 746         }
 747
 748         if (!bold_style) {
 749                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 750                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 751                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 752                         pango_font_description_set_weight
 753                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 754                 } else {
 755                         PangoFontDescription *font_desc;
 756                         font_desc = pango_font_description_from_string(BOLD_FONT);
 757                         if (font_desc) {
 758                                 if (bold_style->font_desc)
 759                                         pango_font_description_free
 760                                                 (bold_style->font_desc);
 761                                 bold_style->font_desc = font_desc;
 762                         }
 763                 }
 764                 bold_color_style = gtk_style_copy(bold_style);
 765                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 766
 767                 bold_tgtfold_style = gtk_style_copy(bold_style);
 768                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 769         }
 770 }
 771
 772 static gboolean folderview_defer_set(gpointer data)
 773 {
 774         FolderView *folderview = (FolderView *)data;
 775         MainWindow *mainwin = folderview->mainwin;
 776
 777         if (!mainwin)
 778                 return FALSE;
 779         if (mainwin->lock_count)
 780                 return TRUE;
 781
 782         debug_print("doing deferred folderview_set now\n");
 783         folderview_set(folderview);
 784
 785         folderview->deferred_refresh_id = -1;
 786         return FALSE;
 787 }
 788
 789 void folderview_set(FolderView *folderview)
 790 {
 791         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 792         MainWindow *mainwin = folderview->mainwin;
 793         FolderItem *sel_item = NULL, *op_item = NULL;
 794
 795         if (!mainwin)
 796                 return;
 797
 798         if (mainwin->lock_count) {
 799                 if (folderview->deferred_refresh_id == -1)
 800                         folderview->deferred_refresh_id =
 801                                 g_timeout_add(500, folderview_defer_set, folderview);
 802                 debug_print("deferred folderview_set\n");
 803                 return;
 804         }
 805
 806         inc_lock();
 807         debug_print("Setting folder info...\n");
 808         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 809
 810         main_window_cursor_wait(mainwin);
 811
 812         if (folderview->selected)
 813                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 814         if (folderview->opened)
 815                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 816
 817         folderview->selected = NULL;
 818         folderview->opened = NULL;
 819
 820         gtk_clist_freeze(GTK_CLIST(ctree));
 821         gtk_clist_clear(GTK_CLIST(ctree));
 822
 823         folderview_set_folders(folderview);
 824
 825         if (sel_item)
 826                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 827         if (op_item)
 828                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 829
 830         gtk_clist_thaw(GTK_CLIST(ctree));
 831         main_window_cursor_normal(mainwin);
 832         STATUSBAR_POP(mainwin);
 833         inc_unlock();
 834 }
 835
 836 void folderview_set_all(void)
 837 {
 838         GList *list;
 839
 840         for (list = folderview_list; list != NULL; list = list->next)
 841                 folderview_set((FolderView *)list->data);
 842 }
 843
 844 void folderview_select(FolderView *folderview, FolderItem *item)
 845 {
 846         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 847         GtkCTreeNode *node;
 848         GtkCTreeNode *old_selected = folderview->selected;
 849
 850         if (!item) return;
 851
 852         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 853         if (node) folderview_select_node(folderview, node);
 854
 855         if (old_selected != node)
 856                 folder_update_op_count();
 857 }
 858
 859 static void mark_all_read_cb(FolderView *folderview, guint action,
 860                              GtkWidget *widget)
 861 {
 862         FolderItem *item;
 863         AlertValue val;
 864
 865         item = folderview_get_selected_item(folderview);
 866         if (item == NULL)
 867                 return;
 868
 869         if (folderview->summaryview->folder_item != item
 870         &&  prefs_common.ask_mark_all_read) {
 871                 val = alertpanel_full(_("Mark all as read"),
 872                         _("Do you really want to mark all mails in this "
 873                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 874                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 875
 876                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 877                         return;
 878                 else if (val & G_ALERTDISABLE)
 879                         prefs_common.ask_mark_all_read = FALSE;
 880         }
 881
 882
 883         folder_item_update_freeze();
 884         if (folderview->summaryview->folder_item != item)
 885                 summary_lock(folderview->summaryview);
 886         else
 887                 summary_freeze(folderview->summaryview);
 888
 889         folderutils_mark_all_read(item);
 890
 891         if (folderview->summaryview->folder_item != item)
 892                 summary_unlock(folderview->summaryview);
 893         else
 894                 summary_thaw(folderview->summaryview);
 895         folder_item_update_thaw();
 896 }
 897
 898 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 899 {
 900         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 901
 902         g_return_if_fail(node != NULL);
 903
 904         if (folderview->open_folder) {
 905                 return;
 906         }
 907
 908         folderview->open_folder = TRUE;
 909         gtkut_ctree_set_focus_row(ctree, node);
 910         gtk_ctree_select(ctree, node);
 911         if (folderview->summaryview->folder_item &&
 912             folderview->summaryview->folder_item->total_msgs > 0)
 913                 summary_grab_focus(folderview->summaryview);
 914         else
 915                 gtk_widget_grab_focus(folderview->ctree);
 916
 917         gtkut_ctree_expand_parent_all(ctree, node);
 918 }
 919
 920 void folderview_unselect(FolderView *folderview)
 921 {
 922         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 923                 gtk_ctree_collapse
 924                         (GTK_CTREE(folderview->ctree), folderview->opened);
 925
 926         folderview->selected = folderview->opened = NULL;
 927 }
 928
 929 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 930                                                  GtkCTreeNode *node)
 931 {
 932         FolderItem *item;
 933
 934         if (node)
 935                 node = gtkut_ctree_node_next(ctree, node);
 936         else
 937                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 938
 939         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 940                 item = gtk_ctree_node_get_row_data(ctree, node);
 941                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 942                         return node;
 943         }
 944
 945         return NULL;
 946 }
 947
 948 void folderview_select_next_marked(FolderView *folderview)
 949 {
 950         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 951         GtkCTreeNode *node = NULL;
 952         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 953         gboolean last_open = prefs_common.always_show_msg;
 954
 955         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 956         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 957
 958         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 959             != NULL) {
 960                 folderview_select_node(folderview, node);
 961                 goto out;
 962         }
 963
 964         if (!folderview->opened ||
 965             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 966                 goto out;
 967         }
 968         /* search again from the first node */
 969         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 970                 folderview_select_node(folderview, node);
 971
 972 out:
 973         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 974         prefs_common.always_show_msg = last_open;
 975 }
 976
 977 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 978                                                  GtkCTreeNode *node)
 979 {
 980         FolderItem *item;
 981
 982         if (node)
 983                 node = gtkut_ctree_node_next(ctree, node);
 984         else
 985                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 986
 987         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 988                 item = gtk_ctree_node_get_row_data(ctree, node);
 989                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 990                         return node;
 991         }
 992
 993         return NULL;
 994 }
 995
 996 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 997 {
 998         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 999         GtkCTreeNode *node = NULL;
1000         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1001         gboolean last_open = prefs_common.always_show_msg;
1002
1003         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
1004         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
1005
1006         if ((node = folderview_find_next_unread(ctree, folderview->opened))
1007             != NULL) {
1008                 folderview_select_node(folderview, node);
1009                 goto out;
1010         }
1011
1012         if (!folderview->opened ||
1013             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1014                 goto out;
1015         }
1016         /* search again from the first node */
1017         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
1018                 folderview_select_node(folderview, node);
1019
1020 out:
1021         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1022         prefs_common.always_show_msg = last_open;
1023 }
1024
1025 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
1026                                                  GtkCTreeNode *node)
1027 {
1028         FolderItem *item;
1029
1030         if (node)
1031                 node = gtkut_ctree_node_next(ctree, node);
1032         else
1033                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1034
1035         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1036                 item = gtk_ctree_node_get_row_data(ctree, node);
1037                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
1038                         return node;
1039         }
1040
1041         return NULL;
1042 }
1043
1044 void folderview_select_next_new(FolderView *folderview)
1045 {
1046         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1047         GtkCTreeNode *node = NULL;
1048         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1049         gboolean last_open = prefs_common.always_show_msg;
1050
1051         prefs_common.summary_select_prio[0] = ACTION_NEW;
1052         prefs_common.always_show_msg = OPENMSG_ALWAYS;
1053
1054         if ((node = folderview_find_next_new(ctree, folderview->opened))
1055             != NULL) {
1056                 folderview_select_node(folderview, node);
1057                 goto out;
1058         }
1059
1060         if (!folderview->opened ||
1061             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1062                 goto out;
1063         }
1064         /* search again from the first node */
1065         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1066                 folderview_select_node(folderview, node);
1067
1068 out:
1069         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1070         prefs_common.always_show_msg = last_open;
1071 }
1072
1073 FolderItem *folderview_get_selected_item(FolderView *folderview)
1074 {
1075         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1076
1077         if (!folderview->selected) return NULL;
1078         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1079 }
1080
1081 static void folderview_set_folders(FolderView *folderview)
1082 {
1083         GList *list;
1084         list = folder_get_list();
1085
1086         for (; list != NULL; list = list->next) {
1087                 folderview_append_folder(folderview, FOLDER(list->data));
1088         }
1089 }
1090
1091 static gchar *get_scan_str(FolderItem *item)
1092 {
1093         if (item->path)
1094                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1095                                       item->folder->name, G_DIR_SEPARATOR,
1096                                       item->path);
1097         else
1098                 return g_strdup_printf(_("Scanning folder %s ..."),
1099                                       item->folder->name);
1100 }
1101 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1102                                       gpointer data)
1103 {
1104         GList *list;
1105         for (list = folderview_list; list != NULL; list = list->next) {
1106                 FolderView *folderview = (FolderView *)list->data;
1107                 MainWindow *mainwin = folderview->mainwin;
1108                 gchar *str = get_scan_str(item);
1109
1110                 STATUSBAR_PUSH(mainwin, str);
1111                 STATUSBAR_POP(mainwin);
1112                 g_free(str);
1113         }
1114 }
1115
1116 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1117 {
1118         GtkWidget *window;
1119         MainWindow *mainwin = mainwindow_get_mainwindow();
1120         FolderView *folderview = NULL;
1121         GtkAdjustment *pos = NULL;
1122         gint height = 0;
1123
1124         g_return_if_fail(folder != NULL);
1125
1126         if (!folder->klass->scan_tree) return;
1127
1128         if (rebuild &&
1129             alertpanel_full(_("Rebuild folder tree"),
1130                          _("Rebuilding the folder tree will remove "
1131                            "local caches. Do you want to continue?"),
1132                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1133                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1134                 != G_ALERTALTERNATE) {
1135                 return;
1136         }
1137
1138         inc_lock();
1139         if (rebuild)
1140                 window = label_window_create(_("Rebuilding folder tree..."));
1141         else
1142                 window = label_window_create(_("Scanning folder tree..."));
1143
1144         if (mainwin)
1145                 folderview = mainwin->folderview;
1146
1147         if (folderview) {
1148                 pos = gtk_scrolled_window_get_vadjustment(
1149                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1150                 height = pos->value;
1151         }
1152
1153         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1154         folder_scan_tree(folder, rebuild);
1155         folder_set_ui_func(folder, NULL, NULL);
1156
1157         folderview_set_all();
1158
1159         if (folderview) {
1160                 pos = gtk_scrolled_window_get_vadjustment(
1161                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1162                 gtk_adjustment_set_value(pos, height);
1163                 gtk_adjustment_changed(pos);
1164         }
1165         label_window_destroy(window);
1166         inc_unlock();
1167 }
1168
1169 void folderview_fast_rescan_tree(Folder *folder)
1170 {
1171         GtkWidget *window;
1172         MainWindow *mainwin = mainwindow_get_mainwindow();
1173         FolderView *folderview = NULL;
1174         GtkAdjustment *pos = NULL;
1175         gint height = 0;
1176
1177         g_return_if_fail(folder != NULL);
1178
1179         if (!folder->klass->scan_tree) return;
1180
1181         inc_lock();
1182
1183         window = label_window_create(_("Scanning folder tree..."));
1184
1185         if (mainwin)
1186                 folderview = mainwin->folderview;
1187
1188         if (folderview) {
1189                 pos = gtk_scrolled_window_get_vadjustment(
1190                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1191                 height = pos->value;
1192         }
1193
1194         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1195         folder_fast_scan_tree(folder);
1196         folder_set_ui_func(folder, NULL, NULL);
1197
1198         folderview_set_all();
1199
1200         if (folderview) {
1201                 pos = gtk_scrolled_window_get_vadjustment(
1202                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1203                 gtk_adjustment_set_value(pos, height);
1204                 gtk_adjustment_changed(pos);
1205         }
1206         label_window_destroy(window);
1207         inc_unlock();
1208 }
1209
1210 /** folderview_check_new()
1211  *  Scan and update the folder and return the
1212  *  count the number of new messages since last check.
1213  *  \param folder the folder to check for new messages
1214  *  \return the number of new messages since last check
1215  */
1216 gint folderview_check_new(Folder *folder)
1217 {
1218         GList *list;
1219         FolderItem *item;
1220         FolderView *folderview;
1221         GtkCTree *ctree;
1222         GtkCTreeNode *node;
1223         gint new_msgs = 0;
1224         gint former_new_msgs = 0;
1225         gint former_new = 0, former_unread = 0, former_total;
1226
1227         for (list = folderview_list; list != NULL; list = list->next) {
1228                 folderview = (FolderView *)list->data;
1229                 ctree = GTK_CTREE(folderview->ctree);
1230                 folderview->scanning_folder = folder;
1231                 inc_lock();
1232                 main_window_lock(folderview->mainwin);
1233
1234                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1235                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1236                         gchar *str = NULL;
1237                         item = gtk_ctree_node_get_row_data(ctree, node);
1238                         if (!item || !item->path || !item->folder) continue;
1239                         if (item->no_select) continue;
1240                         if (folder && folder != item->folder) continue;
1241                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1242                         if (!item->prefs->newmailcheck) continue;
1243                         if (item->processing_pending == TRUE) {
1244                                 debug_print("skipping %s, processing pending\n",
1245                                         item->path ? item->path : item->name);
1246                                 continue;
1247                         }
1248                         if (item->scanning != ITEM_NOT_SCANNING) {
1249                                 debug_print("skipping %s, scanning\n",
1250                                         item->path ? item->path : item->name);
1251                                 continue;
1252                         }
1253
1254                         str = get_scan_str(item);
1255
1256                         STATUSBAR_PUSH(folderview->mainwin, str);
1257                         GTK_EVENTS_FLUSH();
1258                         g_free(str);
1259
1260                         folderview_scan_tree_func(item->folder, item, NULL);
1261                         former_new    = item->new_msgs;
1262                         former_unread = item->unread_msgs;
1263                         former_total  = item->total_msgs;
1264
1265                         if (item->folder->klass->scan_required &&
1266                             (item->folder->klass->scan_required(item->folder, item) ||
1267                              item->folder->inbox == item ||
1268                              item->opened == TRUE ||
1269                              item->processing_pending == TRUE)) {
1270                                 if (folder_item_scan(item) < 0) {
1271                                         if (folder) {
1272                                                 summaryview_unlock(folderview->summaryview, item);
1273                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1274                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1275                                                                 item->path ? item->path:item->name);
1276                                                         STATUSBAR_POP(folderview->mainwin);
1277                                                         continue;
1278                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1279                                                         STATUSBAR_POP(folderview->mainwin);
1280                                                         break;
1281                                                 }
1282                                         }
1283                                 }
1284                         } else if (!item->folder->klass->scan_required) {
1285                                 if (folder_item_scan(item) < 0) {
1286                                         summaryview_unlock(folderview->summaryview, item);
1287                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1288                                                 STATUSBAR_POP(folderview->mainwin);
1289                                                 break;
1290                                         }
1291                                 }
1292                         }
1293                         if (former_new    != item->new_msgs ||
1294                             former_unread != item->unread_msgs ||
1295                             former_total  != item->total_msgs)
1296                                 folderview_update_node(folderview, node);
1297
1298                         new_msgs += item->new_msgs;
1299                         former_new_msgs += former_new;
1300                         STATUSBAR_POP(folderview->mainwin);
1301                 }
1302                 folderview->scanning_folder = NULL;
1303                 main_window_unlock(folderview->mainwin);
1304                 inc_unlock();
1305         }
1306
1307         folder_write_list();
1308         /* Number of new messages since last check is the just the difference
1309          * between former_new_msgs and new_msgs. If new_msgs is less than
1310          * former_new_msgs, that would mean another session accessed the folder
1311          * and the result is not well defined.
1312          */
1313         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1314         return new_msgs;
1315 }
1316
1317 void folderview_check_new_all(void)
1318 {
1319         GList *list;
1320         GtkWidget *window;
1321         FolderView *folderview;
1322
1323         folderview = (FolderView *)folderview_list->data;
1324
1325         inc_lock();
1326         main_window_lock(folderview->mainwin);
1327         window = label_window_create
1328                 (_("Checking for new messages in all folders..."));
1329
1330         list = folder_get_list();
1331         for (; list != NULL; list = list->next) {
1332                 Folder *folder = list->data;
1333
1334                 folderview_check_new(folder);
1335         }
1336
1337         folder_write_list();
1338         folderview_set_all();
1339
1340         label_window_destroy(window);
1341         main_window_unlock(folderview->mainwin);
1342         inc_unlock();
1343 }
1344
1345 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1346                                                  FolderItem *item,
1347                                                  gboolean in_sub)
1348 {
1349         GNode *node = NULL;
1350
1351         if (!item || !item->folder || !item->folder->node)
1352                 return FALSE;
1353
1354         node = item->folder->node;
1355
1356         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1357         node = node->children;
1358
1359         if (in_sub &&
1360             (item->new_msgs > 0 ||
1361             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1362                 return TRUE;
1363         }
1364
1365         while (node != NULL) {
1366                 if (node && node->data) {
1367                         FolderItem *next_item = (FolderItem*) node->data;
1368                         node = node->next;
1369                         if (folderview_have_new_children_sub(folderview,
1370                                                              next_item, TRUE))
1371                                 return TRUE;
1372                 }
1373         }
1374
1375         return FALSE;
1376 }
1377
1378 static gboolean folderview_have_new_children(FolderView *folderview,
1379                                              FolderItem *item)
1380 {
1381         return folderview_have_new_children_sub(folderview, item, FALSE);
1382 }
1383
1384 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1385                                                     FolderItem *item,
1386                                                     gboolean in_sub)
1387 {
1388         GNode *node = NULL;
1389
1390         if (!item || !item->folder || !item->folder->node)
1391                 return FALSE;
1392
1393         node = item->folder->node;
1394
1395         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1396         node = node->children;
1397
1398         if (in_sub &&
1399             (item->unread_msgs > 0 ||
1400             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1401                 return TRUE;
1402         }
1403
1404         while (node != NULL) {
1405                 if (node && node->data) {
1406                         FolderItem *next_item = (FolderItem*) node->data;
1407                         node = node->next;
1408                         if (folderview_have_unread_children_sub(folderview,
1409                                                                 next_item,
1410                                                                 TRUE))
1411                                 return TRUE;
1412                 }
1413         }
1414
1415         return FALSE;
1416 }
1417
1418 static gboolean folderview_have_unread_children(FolderView *folderview,
1419                                                 FolderItem *item)
1420 {
1421         return folderview_have_unread_children_sub(folderview, item, FALSE);
1422 }
1423
1424 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1425                                                       FolderItem *item,
1426                                                       gboolean in_sub)
1427 {
1428         GNode *node = NULL;
1429
1430         if (!item || !item->folder || !item->folder->node)
1431                 return FALSE;
1432
1433         node = item->folder->node;
1434
1435         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1436         node = node->children;
1437
1438         if (in_sub && item->search_match){
1439                 return TRUE;
1440         }
1441
1442         while (node != NULL) {
1443                 if (node && node->data) {
1444                         FolderItem *next_item = (FolderItem*) node->data;
1445                         node = node->next;
1446                         if (folderview_have_matching_children_sub(folderview,
1447                                                                   next_item,
1448                                                                   TRUE))
1449                                 return TRUE;
1450                 }
1451         }
1452
1453         return FALSE;
1454 }
1455
1456 static gboolean folderview_have_matching_children(FolderView *folderview,
1457                                                   FolderItem *item)
1458 {
1459         return folderview_have_matching_children_sub(folderview, item, FALSE);
1460 }
1461
1462 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1463                                                     FolderItem *item,
1464                                                     gboolean in_sub)
1465 {
1466         GNode *node = NULL;
1467
1468         if (!item || !item->folder || !item->folder->node)
1469                 return FALSE;
1470
1471         node = item->folder->node;
1472
1473         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1474         node = node->children;
1475
1476         if (item->marked_msgs != 0) {
1477                 return TRUE;
1478         }
1479
1480         while (node != NULL) {
1481                 if (node && node->data) {
1482                         FolderItem *next_item = (FolderItem*) node->data;
1483                         node = node->next;
1484                         if (folderview_have_marked_children_sub(folderview,
1485                                                                 next_item, TRUE))
1486                                 return TRUE;
1487                 }
1488         }
1489
1490         return FALSE;
1491 }
1492
1493 static gboolean folderview_have_marked_children(FolderView *folderview,
1494                                              FolderItem *item)
1495 {
1496         return folderview_have_marked_children_sub(folderview, item, FALSE);
1497 }
1498
1499 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1500 {
1501         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1502         GtkStyle *style = NULL;
1503         GtkStyle *color_style = NULL;
1504         FolderItem *item;
1505         GdkPixmap *xpm, *openxpm;
1506         GdkBitmap *mask, *openmask;
1507         static GdkPixmap *searchicon;
1508         static GdkBitmap *searchmask;
1509         gboolean mark = FALSE;
1510         gchar *name;
1511         gchar *str;
1512         gboolean add_unread_mark;
1513         gboolean add_sub_match_mark;
1514         gboolean use_bold, use_color;
1515         gint *col_pos = folderview->col_pos;
1516         SpecialFolderItemType stype;
1517
1518         item = gtk_ctree_node_get_row_data(ctree, node);
1519         g_return_if_fail(item != NULL);
1520
1521         if (!GTK_CTREE_ROW(node)->expanded)
1522                 mark = folderview_have_marked_children(folderview, item);
1523         else
1524                 mark = (item->marked_msgs != 0);
1525
1526         stype = item->stype;
1527         if (stype == F_NORMAL) {
1528                 if (folder_has_parent_of_type(item, F_TRASH))
1529                         stype = F_TRASH;
1530                 else if (folder_has_parent_of_type(item, F_DRAFT))
1531                         stype = F_DRAFT;
1532                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1533                         stype = F_OUTBOX;
1534                 else if (folder_has_parent_of_type(item, F_QUEUE))
1535                         stype = F_QUEUE;
1536         }
1537         switch (stype) {
1538         case F_INBOX:
1539                 if (item->hide_read_msgs) {
1540                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1541                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1542                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1543                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1544                 } else {
1545                         xpm = mark?m_inboxxpm:inboxxpm;
1546                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1547                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1548                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1549                 }
1550                 break;
1551         case F_OUTBOX:
1552                 if (item->hide_read_msgs) {
1553                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1554                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1555                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1556                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1557                 } else {
1558                         xpm = mark?m_outboxxpm:outboxxpm;
1559                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1560                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1561                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1562                 }
1563                 break;
1564         case F_QUEUE:
1565                 if (item->hide_read_msgs) {
1566                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1567                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1568                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1569                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1570                 } else {
1571                         xpm = mark?m_queuexpm:queuexpm;
1572                         mask = mark?m_queuexpmmask:queuexpmmask;
1573                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1574                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1575                 }
1576                 break;
1577         case F_TRASH:
1578                 if (item->hide_read_msgs) {
1579                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1580                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1581                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1582                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1583                 } else {
1584                         xpm = mark?m_trashxpm:trashxpm;
1585                         mask = mark?m_trashxpmmask:trashxpmmask;
1586                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1587                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1588                 }
1589                 break;
1590         case F_DRAFT:
1591                 xpm = mark?m_draftsxpm:draftsxpm;
1592                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1593                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1594                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1595                 break;
1596         default:
1597                 if (item->hide_read_msgs) {
1598                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1599                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1600                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1601                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1602                 } else {
1603                         xpm = mark?m_folderxpm:folderxpm;
1604                         mask = mark?m_folderxpmmask:folderxpmmask;
1605                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1606                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1607                 }
1608         }
1609
1610         if (item->no_select) {
1611                 xpm = openxpm = noselectxpm;
1612                 mask = openmask = noselectxpmmask;
1613         }
1614
1615         name = folder_item_get_name(item);
1616
1617         if (!GTK_CTREE_ROW(node)->expanded) {
1618                 add_unread_mark = folderview_have_unread_children(
1619                                         folderview, item);
1620                 add_sub_match_mark = folderview_have_matching_children(
1621                                         folderview, item);
1622         } else {
1623                 add_unread_mark = FALSE;
1624                 add_sub_match_mark = FALSE;
1625         }
1626
1627         if (item->search_match) {
1628                 if (!searchicon) {
1629                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1630                          &searchicon, &searchmask);
1631                 }
1632                 xpm = openxpm = searchicon;
1633                 mask = openmask = searchmask;
1634         }
1635
1636         str = NULL;
1637         if (prefs_common.display_folder_unread) {
1638                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1639                         /* only total_msgs matters here */
1640                         if (item->total_msgs > 0) {
1641                                 /* show total number (should be equal to the unread number)
1642                                    and signs if any */
1643                                 str = g_strdup_printf("%s (%d%s%s)",
1644                                                         name, item->total_msgs,
1645                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1646                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1647                         }
1648         } else {
1649                         if (prefs_common.display_folder_unread == 1) {
1650                                 if (item->unread_msgs > 0) {
1651                                         /* show unread number and signs */
1652                                         str = g_strdup_printf("%s (%d%s%s)",
1653                                                                 name, item->unread_msgs,
1654                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1655                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1656                                 }
1657                         } else {
1658                                 if (item->total_msgs > 0) {
1659                                         /* show unread number, total number and signs if any */
1660                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1661                                                                 name, item->unread_msgs, item->total_msgs,
1662                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1663                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1664                                 }
1665                         }
1666                 }
1667                 if ((str == NULL) &&
1668                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1669                         /* no unread/total numbers, but at least one sign */
1670                         str = g_strdup_printf("%s (%s%s)",
1671                                                 name,
1672                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1673                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1674                 }
1675         }
1676         if (str == NULL) {
1677                 /* last fallback, folder name only or with ! sign */
1678                 str = g_strdup_printf("%s%s",
1679                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1680         }
1681                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1682                                         xpm, mask, openxpm, openmask,
1683                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1684                 g_free(str);
1685         g_free(name);
1686
1687         if (!folder_item_parent(item)) {
1688                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1689                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1690                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1691         } else {
1692                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1693                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1694                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1695         }
1696
1697         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1698             folder_has_parent_of_type(item, F_DRAFT) ||
1699             folder_has_parent_of_type(item, F_TRASH)) {
1700                 use_bold = use_color = FALSE;
1701         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1702                 /* highlight queue folder if there are any messages */
1703                 use_bold = use_color = (item->total_msgs > 0);
1704         } else {
1705                 /* if unread messages exist, print with bold font */
1706                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1707                                 || add_unread_mark;
1708                 /* if new messages exist, print with colored letter */
1709                 use_color =
1710                         (item->new_msgs > 0) ||
1711                         (add_unread_mark &&
1712                          folderview_have_new_children(folderview, item));
1713         }
1714
1715         gtk_ctree_node_set_foreground(ctree, node, NULL);
1716
1717         if (use_bold) {
1718                 GdkColor gdk_color;
1719
1720                 if (item->prefs->color > 0 && !use_color) {
1721                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1722                         color_style = gtk_style_copy(bold_style);
1723                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1724                         style = color_style;
1725                 } else if (use_color) {
1726                         style = bold_color_style;
1727                 } else
1728                         style = bold_style;
1729                 if (item->op_count > 0) {
1730                         style = bold_tgtfold_style;
1731                 }
1732         } else if (use_color) {
1733                 style = normal_color_style;
1734                 gtk_ctree_node_set_foreground(ctree, node,
1735                                               &folderview->color_new);
1736         } else if (item->op_count > 0) {
1737                 style = bold_tgtfold_style;
1738         } else if (item->prefs->color > 0) {
1739                 GdkColor gdk_color;
1740                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1741                 color_style = gtk_style_copy(normal_style);
1742                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1743                 style = color_style;
1744         } else {
1745                 style = normal_style;
1746         }
1747
1748         gtk_ctree_node_set_row_style(ctree, node, style);
1749
1750         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1751                 folderview_update_node(folderview, node);
1752 }
1753
1754 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1755 {
1756         GList *list;
1757         FolderView *folderview;
1758         GtkCTree *ctree;
1759         GtkCTreeNode *node;
1760
1761         g_return_if_fail(item != NULL);
1762
1763         for (list = folderview_list; list != NULL; list = list->next) {
1764                 folderview = (FolderView *)list->data;
1765                 ctree = GTK_CTREE(folderview->ctree);
1766
1767                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1768                 if (node) {
1769                         item->search_match = matches;
1770                         folderview_update_node(folderview, node);
1771                 }
1772         }
1773 }
1774
1775 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1776 {
1777         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1778         FolderView *folderview = (FolderView *)data;
1779         GtkCTree *ctree;
1780         GtkCTreeNode *node;
1781         g_return_val_if_fail(update_info != NULL, TRUE);
1782         g_return_val_if_fail(update_info->item != NULL, TRUE);
1783         g_return_val_if_fail(folderview != NULL, FALSE);
1784
1785         ctree = GTK_CTREE(folderview->ctree);
1786
1787         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1788
1789         if (node) {
1790                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1791                         folderview_update_node(folderview, node);
1792
1793                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1794                      update_info->item == folderview->summaryview->folder_item &&
1795                      update_info->item != NULL)
1796                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1797                                 summary_show(folderview->summaryview, update_info->item);
1798         }
1799
1800         return FALSE;
1801 }
1802
1803 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1804                                       GNode *gnode, GtkCTreeNode *cnode,
1805                                       gpointer data)
1806 {
1807         FolderView *folderview = (FolderView *)data;
1808         FolderItem *item = FOLDER_ITEM(gnode->data);
1809
1810         g_return_val_if_fail(item != NULL, FALSE);
1811
1812         gtk_ctree_node_set_row_data(ctree, cnode, item);
1813         folderview_update_node(folderview, cnode);
1814
1815         return TRUE;
1816 }
1817
1818 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1819                                    gpointer data)
1820 {
1821         FolderView *folderview = (FolderView *)data;
1822         FolderItem *item;
1823
1824         if (GTK_CTREE_ROW(node)->children) {
1825                 item = gtk_ctree_node_get_row_data(ctree, node);
1826                 g_return_if_fail(item != NULL);
1827
1828                 if (!item->collapsed)
1829                         gtk_ctree_expand(ctree, node);
1830                 else
1831                         folderview_update_node(folderview, node);
1832         }
1833 }
1834
1835 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1836                                GtkCTreeNode *root, GtkCTreeNode **prev)
1837 {
1838         if (item) {
1839                 GtkCTreeNode *node, *parent, *sibling;
1840
1841                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1842                 if (!node)
1843                         g_warning("%s not found.\n", item->path);
1844                 else {
1845                         parent = GTK_CTREE_ROW(node)->parent;
1846                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1847                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1848                         else
1849                                 sibling = GTK_CTREE_ROW(parent)->children;
1850                         while (sibling) {
1851                                 FolderItem *tmp;
1852
1853                                 tmp = gtk_ctree_node_get_row_data
1854                                         (ctree, sibling);
1855                                 if (tmp->stype != F_NORMAL)
1856                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1857                                 else
1858                                         break;
1859                         }
1860                         if (node != sibling)
1861                                 gtk_ctree_move(ctree, node, parent, sibling);
1862                 }
1863
1864                 *prev = node;
1865         }
1866 }
1867
1868 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1869                                     Folder *folder)
1870 {
1871         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1872         GtkCTreeNode *prev = NULL;
1873
1874         gtk_clist_freeze(GTK_CLIST(ctree));
1875         gtk_sctree_sort_recursive(ctree, root);
1876         if (root && GTK_CTREE_ROW(root)->parent) {
1877                 gtk_clist_thaw(GTK_CLIST(ctree));
1878                 return;
1879         }
1880         set_special_folder(ctree, folder->inbox, root, &prev);
1881         set_special_folder(ctree, folder->outbox, root, &prev);
1882         set_special_folder(ctree, folder->draft, root, &prev);
1883         set_special_folder(ctree, folder->queue, root, &prev);
1884         set_special_folder(ctree, folder->trash, root, &prev);
1885         gtk_clist_thaw(GTK_CLIST(ctree));
1886 }
1887
1888 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1889 {
1890         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1891         GtkCTreeNode *root;
1892
1893         g_return_if_fail(folder != NULL);
1894
1895         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1896                                       folderview_gnode_func, folderview);
1897         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1898                                 folderview);
1899         folderview_sort_folders(folderview, root, folder);
1900 }
1901
1902 /* callback functions */
1903 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1904                                 GdkEventButton *event)
1905 {
1906         FolderItem *item;
1907         Folder *folder;
1908         FolderViewPopup *fpopup;
1909         GtkItemFactory *fpopup_factory;
1910         GtkWidget *popup;
1911         FolderItem *special_trash = NULL, *special_queue = NULL;
1912         PrefsAccount *ac;
1913
1914         item = folderview_get_selected_item(folderview);
1915
1916         g_return_if_fail(item != NULL);
1917         g_return_if_fail(item->folder != NULL);
1918         folder = item->folder;
1919
1920         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1921         if (fpopup != NULL)
1922                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1923         else {
1924                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1925                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1926         }
1927
1928         if (fpopup->set_sensitivity != NULL)
1929                 fpopup->set_sensitivity(fpopup_factory, item);
1930
1931         if (NULL != (ac = account_find_from_item(item))) {
1932                 special_trash = account_get_special_folder(ac, F_TRASH);
1933                 special_queue = account_get_special_folder(ac, F_QUEUE);
1934         }
1935
1936         if ((item == folder->trash || item == special_trash
1937              || folder_has_parent_of_type(item, F_TRASH)) &&
1938             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1939                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1940                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1941         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1942                 && !folder_has_parent_of_type(item, F_TRASH)) {
1943                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1944                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1945         }
1946
1947         if ((item == folder->queue || item == special_queue
1948              || folder_has_parent_of_type(item, F_QUEUE)) &&
1949             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1950                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1951                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1952         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1953                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1954                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1955                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1956         }
1957
1958 #define SET_SENS(name, sens) \
1959         menu_set_sensitive(fpopup_factory, name, sens)
1960
1961         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1962         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1963                  folderview->selected == folderview->opened);
1964         SET_SENS("/Properties...", TRUE);
1965
1966         SET_SENS("/Run processing rules", item->prefs->processing &&
1967                  item->total_msgs >= 1 && !item->processing_pending);
1968         SET_SENS("/Processing...", item->node->parent != NULL &&
1969                 !item->no_select && !item->processing_pending);
1970
1971         if (item == folder->trash || item == special_trash
1972             || folder_has_parent_of_type(item, F_TRASH)) {
1973                 GSList *msglist = folder_item_get_msg_list(item);
1974                 SET_SENS("/Empty trash...", msglist != NULL);
1975                 procmsg_msg_list_free(msglist);
1976         }
1977         if (item == folder->queue || item == special_queue
1978             || folder_has_parent_of_type(item, F_QUEUE)) {
1979                 GSList *msglist = folder_item_get_msg_list(item);
1980                 SET_SENS("/Send queue...", msglist != NULL);
1981                 procmsg_msg_list_free(msglist);
1982         }
1983 #undef SET_SENS
1984
1985         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1986         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1987                        event->button, event->time);
1988 }
1989
1990 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1991                                           FolderView *folderview)
1992 {
1993         GtkCList *clist = GTK_CLIST(ctree);
1994         gint prev_row = -1, row = -1, column = -1;
1995
1996         if (!event) return FALSE;
1997
1998         if (event->button == 1 || event->button == 2) {
1999                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
2000                         folderview->open_folder = TRUE;
2001
2002                 if (event->type == GDK_2BUTTON_PRESS) {
2003                         if (clist->selection) {
2004                                 GtkCTreeNode *node;
2005
2006                                 node = GTK_CTREE_NODE(clist->selection->data);
2007                                 if (node) {
2008                                         gtk_ctree_toggle_expansion(
2009                                                 GTK_CTREE(ctree),
2010                                                 node);
2011                                         folderview->open_folder = FALSE;
2012                                 }
2013                         }
2014                 }
2015                 return FALSE;
2016         }
2017
2018         if (event->button == 2 || event->button == 3) {
2019                 /* right clicked */
2020                 if (clist->selection) {
2021                         GtkCTreeNode *node;
2022
2023                         node = GTK_CTREE_NODE(clist->selection->data);
2024                         if (node)
2025                                 prev_row = gtkut_ctree_get_nth_from_node
2026                                         (GTK_CTREE(ctree), node);
2027                 }
2028
2029                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
2030                                                   &row, &column))
2031                         return FALSE;
2032                 if (prev_row != row) {
2033                         gtk_clist_unselect_all(clist);
2034                         if (event->button == 2)
2035                                 folderview_select_node
2036                                         (folderview,
2037                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
2038                                                             row));
2039                         else
2040                                 gtk_clist_select_row(clist, row, column);
2041                 }
2042         }
2043
2044         if (event->button != 3) return FALSE;
2045
2046         folderview_set_sens_and_popup_menu(folderview, row, event);
2047         return FALSE;
2048 }
2049
2050 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2051                                            FolderView *folderview)
2052 {
2053         int row = -1, column = -1;
2054
2055         if (!event) return FALSE;
2056
2057         if (!gtk_clist_get_selection_info(GTK_CLIST(ctree), event->x, event->y,
2058                                           &row, &column))
2059                 return FALSE;
2060         if (event->button == 1 && folderview->open_folder == FALSE &&
2061             folderview->opened != NULL) {
2062                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
2063                                           folderview->opened);
2064                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
2065         }
2066
2067         return FALSE;
2068 }
2069
2070 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2071                                        FolderView *folderview)
2072 {
2073         if (!event) return FALSE;
2074
2075         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2076                 return FALSE;
2077
2078         switch (event->keyval) {
2079         case GDK_Right:
2080 #ifndef GENERIC_UMPC
2081         case GDK_Return:
2082         case GDK_KP_Enter:
2083 #endif
2084                 if (folderview->selected) {
2085                         folderview_select_node(folderview,
2086                                                folderview->selected);
2087                 }
2088                 break;
2089 #ifdef GENERIC_UMPC
2090         case GDK_Return:
2091                 if (folderview->selected && GTK_CTREE_ROW(folderview->selected)->children) {
2092                         gtk_ctree_toggle_expansion(
2093                                 GTK_CTREE(folderview->ctree),
2094                                 folderview->selected);
2095                 }
2096                 break;
2097 #endif
2098         case GDK_space:
2099                 if (folderview->selected) {
2100                         if (folderview->opened == folderview->selected &&
2101                             (!folderview->summaryview->folder_item ||
2102                              folderview->summaryview->folder_item->total_msgs == 0))
2103                                 folderview_select_next_unread(folderview, TRUE);
2104                         else
2105                                 folderview_select_node(folderview,
2106                                                        folderview->selected);
2107                 }
2108                 break;
2109         default:
2110                 break;
2111         }
2112
2113         return FALSE;
2114 }
2115
2116 typedef struct _PostponedSelectData
2117 {
2118         GtkCTree *ctree;
2119         GtkCTreeNode *row;
2120         gint column;
2121         FolderView *folderview;
2122 } PostponedSelectData;
2123
2124 static gboolean postpone_select(void *data)
2125 {
2126         PostponedSelectData *psdata = (PostponedSelectData *)data;
2127         debug_print("trying again\n");
2128         psdata->folderview->open_folder = TRUE;
2129         main_window_cursor_normal(psdata->folderview->mainwin);
2130         STATUSBAR_POP(psdata->folderview->mainwin);
2131         folderview_selected(psdata->ctree, psdata->row,
2132                             psdata->column, psdata->folderview);
2133         g_free(psdata);
2134         return FALSE;
2135 }
2136
2137 void folderview_close_opened(FolderView *folderview)
2138 {
2139         if (folderview->opened) {
2140                 FolderItem *olditem;
2141
2142                 olditem = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree),
2143                                                       folderview->opened);
2144                 if (olditem) {
2145                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2146                                 olditem->path ? olditem->path:olditem->name);
2147                         /* will be null if we just moved the previously opened folder */
2148                         STATUSBAR_PUSH(folderview->mainwin, buf);
2149                         main_window_cursor_wait(folderview->mainwin);
2150                         g_free(buf);
2151                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2152                         summary_show(folderview->summaryview, NULL);
2153                         folder_item_close(olditem);
2154                         main_window_cursor_normal(folderview->mainwin);
2155                         STATUSBAR_POP(folderview->mainwin);
2156                         if (olditem->folder->klass->item_closed)
2157                                 olditem->folder->klass->item_closed(olditem);
2158
2159                 }
2160         }
2161
2162         if (folderview->opened &&
2163             !GTK_CTREE_ROW(folderview->opened)->children)
2164                 gtk_ctree_collapse(GTK_CTREE(folderview->ctree), folderview->opened);
2165
2166         folderview->opened = NULL;
2167 }
2168 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2169                                 gint column, FolderView *folderview)
2170 {
2171         static gboolean can_select = TRUE;      /* exclusive lock */
2172         gboolean opened;
2173         FolderItem *item;
2174         gchar *buf;
2175         int res = 0;
2176         GtkCTreeNode *old_opened = folderview->opened;
2177         START_TIMING("");
2178         folderview->selected = row;
2179
2180         debug_print("newly selected %p, opened %p\n", folderview->selected,
2181                         folderview->opened);
2182         if (folderview->opened == row) {
2183                 folderview->open_folder = FALSE;
2184                 END_TIMING();
2185                 return;
2186         }
2187
2188         item = gtk_ctree_node_get_row_data(ctree, row);
2189         if (!item) {
2190                 END_TIMING();
2191                 folderview->open_folder = FALSE;
2192                 return;
2193         }
2194
2195         if (!can_select || summary_is_locked(folderview->summaryview)) {
2196                 if (folderview->opened) {
2197                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2198                         gtk_ctree_select(ctree, folderview->opened);
2199                 }
2200                 folderview->open_folder = FALSE;
2201                 END_TIMING();
2202                 return;
2203         }
2204
2205         if (!folderview->open_folder) {
2206                 END_TIMING();
2207                 return;
2208         }
2209
2210         can_select = FALSE;
2211
2212         /* Save cache for old folder */
2213         /* We don't want to lose all caches if sylpheed crashed */
2214         /* resets folderview->opened to NULL */
2215         folderview_close_opened(folderview);
2216
2217         /* CLAWS: set compose button type: news folder items
2218          * always have a news folder as parent */
2219         if (item->folder)
2220                 toolbar_set_compose_button
2221                         (folderview->mainwin->toolbar,
2222                          FOLDER_TYPE(item->folder) == F_NEWS ?
2223                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2224
2225         if (item->path)
2226                 debug_print("Folder %s is selected\n", item->path);
2227
2228         if (!GTK_CTREE_ROW(row)->children)
2229                 gtk_ctree_expand(ctree, row);
2230
2231         /* ungrab the mouse event */
2232         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2233                 gtk_grab_remove(GTK_WIDGET(ctree));
2234                 if (gdk_pointer_is_grabbed())
2235                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2236         }
2237
2238         /* Open Folder */
2239         /* TODO: wwp: avoid displaying (null) in the status bar */
2240         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2241                                         item->path : "(null)");
2242         debug_print("%s\n", buf);
2243         STATUSBAR_PUSH(folderview->mainwin, buf);
2244         g_free(buf);
2245
2246         main_window_cursor_wait(folderview->mainwin);
2247
2248         if (folderview->scanning_folder == item->folder) {
2249                 res = -2;
2250         } else {
2251                 res = folder_item_open(item);
2252         }
2253
2254         if (res == -1 && item->no_select == FALSE) {
2255                 main_window_cursor_normal(folderview->mainwin);
2256                 STATUSBAR_POP(folderview->mainwin);
2257
2258                 alertpanel_error(_("Folder could not be opened."));
2259
2260                 folderview->open_folder = FALSE;
2261                 can_select = TRUE;
2262                 END_TIMING();
2263                 return;
2264         } else if (res == -2 && item->no_select == FALSE) {
2265                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2266                 data->ctree = ctree;
2267                 data->row = row;
2268                 data->column = column;
2269                 data->folderview = folderview;
2270                 debug_print("postponing open of %s till end of scan\n",
2271                         item->path ? item->path:item->name);
2272                 folderview->open_folder = FALSE;
2273                 can_select = TRUE;
2274                 g_timeout_add(500, postpone_select, data);
2275                 END_TIMING();
2276                 return;
2277         }
2278
2279         main_window_cursor_normal(folderview->mainwin);
2280
2281         /* Show messages */
2282         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2283         opened = summary_show(folderview->summaryview, item);
2284
2285         folder_clean_cache_memory(item);
2286
2287         if (!opened) {
2288                 gtkut_ctree_set_focus_row(ctree, old_opened);
2289                 gtk_ctree_select(ctree, old_opened);
2290                 folderview->opened = old_opened;
2291         } else {
2292                 folderview->opened = row;
2293                 if (gtk_ctree_node_is_visible(ctree, row)
2294                     != GTK_VISIBILITY_FULL)
2295                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2296         }
2297
2298         STATUSBAR_POP(folderview->mainwin);
2299
2300         folderview->open_folder = FALSE;
2301         can_select = TRUE;
2302         END_TIMING();
2303 }
2304
2305 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2306                                      FolderView *folderview)
2307 {
2308         FolderItem *item;
2309
2310         item = gtk_ctree_node_get_row_data(ctree, node);
2311         g_return_if_fail(item != NULL);
2312         item->collapsed = FALSE;
2313         folderview_update_node(folderview, node);
2314 }
2315
2316 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2317                                       FolderView *folderview)
2318 {
2319         FolderItem *item;
2320
2321         item = gtk_ctree_node_get_row_data(ctree, node);
2322         g_return_if_fail(item != NULL);
2323         item->collapsed = TRUE;
2324         folderview_update_node(folderview, node);
2325 }
2326
2327 static void folderview_popup_close(GtkMenuShell *menu_shell,
2328                                    FolderView *folderview)
2329 {
2330         if (!folderview->opened) return;
2331
2332         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2333 }
2334
2335 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2336                                    FolderView *folderview)
2337 {
2338         FolderColumnType type = folderview->col_state[column].type;
2339
2340         prefs_common.folder_col_size[type] = width;
2341 }
2342
2343 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2344 {
2345         GNode *srcnode;
2346
2347         folderview_create_folder_node(folderview, item);
2348
2349         if (!item || !item->folder || !item->folder->node)
2350                 return;
2351
2352         srcnode = item->folder->node;
2353         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2354         srcnode = srcnode->children;
2355         while (srcnode != NULL) {
2356                 if (srcnode && srcnode->data) {
2357                         FolderItem *next_item = (FolderItem*) srcnode->data;
2358                         folderview_create_folder_node_recursive(folderview, next_item);
2359                 }
2360                 srcnode = srcnode->next;
2361         }
2362 }
2363
2364 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2365 {
2366         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2367         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2368         GtkCTreeNode *node, *parent_node;
2369         gint *col_pos = folderview->col_pos;
2370         FolderItemUpdateData hookdata;
2371
2372         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2373         if (parent_node == NULL)
2374                 return;
2375
2376         gtk_clist_freeze(GTK_CLIST(ctree));
2377
2378         text[col_pos[F_COL_FOLDER]] = item->name;
2379         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2380                                      FOLDER_SPACING,
2381                                      folderxpm, folderxpmmask,
2382                                      folderopenxpm, folderopenxpmmask,
2383                                      FALSE, FALSE);
2384         gtk_ctree_expand(ctree, parent_node);
2385         gtk_ctree_node_set_row_data(ctree, node, item);
2386         if (normal_style)
2387                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2388         folderview_sort_folders(folderview, parent_node, item->folder);
2389
2390         hookdata.item = item;
2391         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2392         hookdata.msg = NULL;
2393         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2394
2395         gtk_clist_thaw(GTK_CLIST(ctree));
2396 }
2397
2398 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2399                                       GtkWidget *widget)
2400 {
2401         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2402         FolderItem *item;
2403         GSList *mlist = NULL;
2404         GSList *cur = NULL;
2405         FolderItem *special_trash = NULL;
2406         PrefsAccount *ac;
2407
2408         if (!folderview->selected) return;
2409         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2410         g_return_if_fail(item != NULL);
2411         g_return_if_fail(item->folder != NULL);
2412
2413         if (NULL != (ac = account_find_from_item(item)))
2414                 special_trash = account_get_special_folder(ac, F_TRASH);
2415
2416         if (item != item->folder->trash && item != special_trash
2417         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2418
2419         if (prefs_common.ask_on_clean) {
2420                 if (alertpanel(_("Empty trash"),
2421                                _("Delete all messages in trash?"),
2422                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2423                         return;
2424         }
2425
2426         mlist = folder_item_get_msg_list(item);
2427
2428         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2429                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2430                 if (MSG_IS_LOCKED(msginfo->flags))
2431                         continue;
2432                 /* is it partially received? (partial_recv isn't cached) */
2433                 if (msginfo->total_size != 0 &&
2434                     msginfo->size != (off_t)msginfo->total_size)
2435                         partial_mark_for_delete(msginfo);
2436         }
2437         procmsg_msg_list_free(mlist);
2438
2439         folder_item_remove_all_msg(item);
2440 }
2441
2442 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2443                                       GtkWidget *widget)
2444 {
2445         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2446         FolderItem *item;
2447         FolderItem *special_queue = NULL;
2448         PrefsAccount *ac;
2449         gchar *errstr = NULL;
2450
2451         if (!folderview->selected) return;
2452         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2453         g_return_if_fail(item != NULL);
2454         g_return_if_fail(item->folder != NULL);
2455
2456         if (NULL != (ac = account_find_from_item(item)))
2457                 special_queue = account_get_special_folder(ac, F_QUEUE);
2458
2459         if (item != item->folder->queue && item != special_queue
2460         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2461
2462         if (procmsg_queue_is_empty(item))
2463                 return;
2464
2465         if (prefs_common.work_offline)
2466                 if (alertpanel(_("Offline warning"),
2467                                _("You're working offline. Override?"),
2468                                GTK_STOCK_NO, GTK_STOCK_YES,
2469                                NULL) != G_ALERTALTERNATE)
2470                 return;
2471
2472         /* ask for confirmation before sending queued messages only
2473            in online mode and if there is at least one message queued
2474            in any of the folder queue
2475         */
2476         if (prefs_common.confirm_send_queued_messages) {
2477                 if (!prefs_common.work_offline) {
2478                         if (alertpanel(_("Send queued messages"),
2479                                    _("Send all queued messages?"),
2480                                    GTK_STOCK_CANCEL, _("_Send"),
2481                                    NULL) != G_ALERTALTERNATE)
2482                                 return;
2483                 }
2484         }
2485
2486         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2487                 if (!errstr)
2488                         alertpanel_error_log(_("Some errors occurred while "
2489                                            "sending queued messages."));
2490                 else {
2491                         alertpanel_error_log(_("Some errors occurred "
2492                                         "while sending queued messages:\n%s"), errstr);
2493                         g_free(errstr);
2494                 }
2495         }
2496 }
2497
2498 static void folderview_search_cb(FolderView *folderview, guint action,
2499                                  GtkWidget *widget)
2500 {
2501         summary_search(folderview->summaryview);
2502 }
2503
2504 static void folderview_run_processing_cb(FolderView *folderview, guint action,
2505                                  GtkWidget *widget)
2506 {
2507         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2508         FolderItem *item;
2509
2510         if (!folderview->selected) return;
2511
2512         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2513         g_return_if_fail(item != NULL);
2514         g_return_if_fail(item->folder != NULL);
2515
2516         item->processing_pending = TRUE;
2517         folder_item_apply_processing(item);
2518         item->processing_pending = FALSE;
2519 }
2520
2521 static void folderview_property_cb(FolderView *folderview, guint action,
2522                                    GtkWidget *widget)
2523 {
2524         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2525         FolderItem *item;
2526
2527         if (!folderview->selected) return;
2528
2529         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2530         g_return_if_fail(item != NULL);
2531         g_return_if_fail(item->folder != NULL);
2532
2533         prefs_folder_item_open(item);
2534 }
2535
2536 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2537 {
2538         GSList *list = NULL;
2539         GSList *done = NULL;
2540         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2541
2542         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2543                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2544                 &&  list->data != node) {
2545                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2546                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2547                 }
2548         }
2549         for (list = done; list != NULL; list = g_slist_next(list)) {
2550                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2551                                                                  list->data);
2552         }
2553         g_slist_free(done);
2554 }
2555
2556 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2557                             FolderItem *to_folder, gboolean copy)
2558 {
2559         FolderItem *from_parent = NULL;
2560         FolderItem *new_folder = NULL;
2561         GtkCTreeNode *src_node = NULL;
2562         gchar *buf;
2563         gint status;
2564
2565         g_return_if_fail(folderview != NULL);
2566         g_return_if_fail(from_folder != NULL);
2567         g_return_if_fail(to_folder != NULL);
2568
2569         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2570         from_parent = folder_item_parent(from_folder);
2571
2572         if (prefs_common.warn_dnd) {
2573                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2574                                              _("Do you really want to make folder '%s' a subfolder of '%s' ?"),
2575                                         from_folder->name, to_folder->name);
2576                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2577                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2578                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2579                 g_free(buf);
2580
2581                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2582                         return;
2583                 else if (status & G_ALERTDISABLE)
2584                         prefs_common.warn_dnd = FALSE;
2585         }
2586
2587         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2588                                 from_folder->name, to_folder->name);
2589         STATUSBAR_PUSH(folderview->mainwin, buf);
2590         g_free(buf);
2591         summary_clear_all(folderview->summaryview);
2592         folderview->opened = NULL;
2593         folderview->selected = NULL;
2594         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2595         inc_lock();
2596         main_window_cursor_wait(folderview->mainwin);
2597
2598         statusbar_verbosity_set(FALSE);
2599         folder_item_update_freeze();
2600         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2601                 statusbar_verbosity_set(FALSE);
2602                 main_window_cursor_normal(folderview->mainwin);
2603                 STATUSBAR_POP(folderview->mainwin);
2604                 folder_item_update_thaw();
2605                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2606
2607                 folderview_sort_folders(folderview,
2608                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2609                                 NULL, to_folder), new_folder->folder);
2610                 folderview_select(folderview, new_folder);
2611         } else {
2612                 statusbar_verbosity_set(FALSE);
2613                 main_window_cursor_normal(folderview->mainwin);
2614                 STATUSBAR_POP(folderview->mainwin);
2615                 folder_item_update_thaw();
2616                 switch (status) {
2617                 case F_MOVE_FAILED_DEST_IS_PARENT:
2618                         alertpanel_error(_("Source and destination are the same."));
2619                         break;
2620                 case F_MOVE_FAILED_DEST_IS_CHILD:
2621                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2622                                                 _("Can't move a folder to one of its children."));
2623                         break;
2624                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2625                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2626                         break;
2627                 default:
2628                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2629                         break;
2630                 }
2631         }
2632         inc_unlock();
2633         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2634 }
2635
2636 static gint folderview_clist_compare(GtkCList *clist,
2637                                      gconstpointer ptr1, gconstpointer ptr2)
2638 {
2639         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2640         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2641
2642         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2643         {
2644                 return item1->order - item2->order;
2645         }
2646
2647         // if only one folder has an order it comes first
2648         if (item1->order > 0)
2649         {
2650                 return -1;
2651         }
2652         if (item2->order > 0)
2653         {
2654                 return 1;
2655         }
2656
2657         if (!item1->name)
2658                 return (item2->name != NULL);
2659         if (!item2->name)
2660                 return -1;
2661
2662         return g_utf8_collate(item1->name, item2->name);
2663 }
2664
2665 static void folderview_processing_cb(FolderView *folderview, guint action,
2666                                      GtkWidget *widget)
2667 {
2668         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2669         FolderItem *item;
2670         gchar *id, *title;
2671
2672         if (!folderview->selected) return;
2673
2674         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2675         g_return_if_fail(item != NULL);
2676         g_return_if_fail(item->folder != NULL);
2677
2678         id = folder_item_get_identifier(item);
2679         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2680         g_free (id);
2681
2682         prefs_filtering_open(&item->prefs->processing, title,
2683                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2684         g_free (title);
2685 }
2686
2687 void folderview_set_target_folder_color(gint color_op)
2688 {
2689         gint firstone = 1;
2690         GList *list;
2691         FolderView *folderview;
2692
2693         for (list = folderview_list; list != NULL; list = list->next) {
2694                 folderview = (FolderView *)list->data;
2695                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2696                 if (firstone) {
2697                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2698                                 folderview->color_op;
2699                         firstone = 0;
2700                 }
2701         }
2702 }
2703
2704 static gchar *last_smallfont = NULL;
2705 static gchar *last_normalfont = NULL;
2706 static gchar *last_boldfont = NULL;
2707 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2708 {
2709         /* force reinit */
2710         g_free(last_smallfont);
2711         last_smallfont = NULL;
2712         g_free(last_normalfont);
2713         last_normalfont = NULL;
2714         g_free(last_boldfont);
2715         last_boldfont = NULL;
2716 }
2717
2718 void folderview_reflect_prefs(void)
2719 {
2720         gboolean update_font = FALSE;
2721         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2722         FolderItem *item = folderview_get_selected_item(folderview);
2723         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2724                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2725         gint height = pos->value;
2726
2727         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2728                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2729                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT))
2730                 update_font = TRUE;
2731
2732         g_free(last_smallfont);
2733         last_smallfont = g_strdup(SMALL_FONT);
2734         g_free(last_normalfont);
2735         last_normalfont = g_strdup(NORMAL_FONT);
2736         g_free(last_boldfont);
2737         last_boldfont = g_strdup(BOLD_FONT);
2738
2739         if (update_font) {
2740                 normal_style = normal_color_style = bold_style =
2741                         bold_color_style = bold_tgtfold_style = NULL;
2742
2743                 folderview_init(folderview);
2744         }
2745         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2746         folderview_column_set_titles(folderview);
2747         folderview_set_all();
2748
2749         g_signal_handlers_block_by_func
2750                 (G_OBJECT(folderview->ctree),
2751                  G_CALLBACK(folderview_selected), folderview);
2752
2753         if (item) {
2754                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2755                         GTK_CTREE(folderview->ctree), NULL, item);
2756
2757                 folderview_select(folderview, item);
2758                 folderview->open_folder = FALSE;
2759                 folderview->selected = node;
2760         }
2761
2762         g_signal_handlers_unblock_by_func
2763                 (G_OBJECT(folderview->ctree),
2764                  G_CALLBACK(folderview_selected), folderview);
2765
2766         pos = gtk_scrolled_window_get_vadjustment(
2767                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2768         gtk_adjustment_set_value(pos, height);
2769         gtk_adjustment_changed(pos);
2770         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2771 }
2772
2773 static void drag_state_stop(FolderView *folderview)
2774 {
2775         if (folderview->drag_timer)
2776                 g_source_remove(folderview->drag_timer);
2777         folderview->drag_timer = 0;
2778         folderview->drag_node = NULL;
2779 }
2780
2781 static gint folderview_defer_expand(FolderView *folderview)
2782 {
2783         if (folderview->drag_node) {
2784                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2785                 if (folderview->drag_item->collapsed) {
2786                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2787                         folderview->nodes_to_recollapse = g_slist_append
2788                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2789                 }
2790         }
2791         folderview->drag_item  = NULL;
2792         folderview->drag_timer = 0;
2793         return FALSE;
2794 }
2795
2796 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2797 {
2798         /* the idea is that we call drag_state_start() whenever we want expansion to
2799          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2800          * we need to call drag_state_stop() */
2801         drag_state_stop(folderview);
2802         /* request expansion */
2803         if (0 != (folderview->drag_timer = g_timeout_add
2804                         (prefs_common.hover_timeout,
2805                          (GtkFunction)folderview_defer_expand,
2806                          folderview))) {
2807                 folderview->drag_node = node;
2808                 folderview->drag_item = item;
2809         }
2810 }
2811 #ifndef GENERIC_UMPC
2812 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2813                                   FolderView       *folderview)
2814 {
2815         GdkDragContext *context;
2816
2817         g_return_if_fail(folderview != NULL);
2818         if (folderview->selected == NULL) return;
2819         if (folderview->nodes_to_recollapse)
2820                 g_slist_free(folderview->nodes_to_recollapse);
2821         folderview->nodes_to_recollapse = NULL;
2822         context = gtk_drag_begin(widget, folderview->target_list,
2823                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2824         gtk_drag_set_icon_default(context);
2825 }
2826 #endif
2827 static void folderview_drag_data_get(GtkWidget        *widget,
2828                                      GdkDragContext   *drag_context,
2829                                      GtkSelectionData *selection_data,
2830                                      guint             info,
2831                                      guint             time,
2832                                      FolderView       *folderview)
2833 {
2834         FolderItem *item;
2835         GList *cur;
2836         gchar *source = NULL;
2837         if (info == TARGET_DUMMY) {
2838                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2839                      cur != NULL; cur = cur->next) {
2840                         item = gtk_ctree_node_get_row_data
2841                                 (GTK_CTREE(folderview->ctree),
2842                                  GTK_CTREE_NODE(cur->data));
2843                         if (item) {
2844                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2845                                 gtk_selection_data_set(selection_data,
2846                                                        selection_data->target, 8,
2847                                                        source, strlen(source));
2848                                 break;
2849                         } else
2850                                 return;
2851                 }
2852         } else {
2853                 g_warning("unknown info %d\n", info);
2854         }
2855 }
2856
2857 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2858 {
2859         FolderUpdateData *hookdata;
2860         FolderView *folderview;
2861         GtkWidget *ctree;
2862
2863         hookdata = source;
2864         folderview = (FolderView *) userdata;
2865         g_return_val_if_fail(hookdata != NULL, FALSE);
2866         g_return_val_if_fail(folderview != NULL, FALSE);
2867
2868         ctree = folderview->ctree;
2869         g_return_val_if_fail(ctree != NULL, FALSE);
2870
2871         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2872                 folderview_create_folder_node(folderview, hookdata->item);
2873         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2874                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2875                                 NULL, folder_item_parent(hookdata->item));
2876                 folderview_sort_folders(folderview, node, hookdata->folder);
2877         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2878                 GtkCTreeNode *node;
2879
2880                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2881                 if (node != NULL) {
2882                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2883                         if (folderview->selected == node)
2884                                 folderview->selected = NULL;
2885                         if (folderview->opened == node)
2886                                 folderview->opened = NULL;
2887                 }
2888         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2889                 folderview_set(folderview);
2890
2891         return FALSE;
2892 }
2893
2894 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2895                                           GdkDragContext *context,
2896                                           gint            x,
2897                                           gint            y,
2898                                           guint           time,
2899                                           FolderView     *folderview)
2900 {
2901         gint row, column;
2902         FolderItem *item = NULL, *src_item = NULL;
2903         GtkCTreeNode *node = NULL;
2904         gboolean acceptable = FALSE;
2905         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2906                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2907         int height = (int)pos->page_size;
2908         int total_height = (int)pos->upper;
2909         int vpos = (int) pos->value;
2910         int offset = prefs_common.show_col_headers ? 24:0;
2911
2912         if (gtk_clist_get_selection_info
2913                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column)) {
2914                 GtkWidget *srcwidget;
2915
2916                 if (y > height - 24 && height + vpos < total_height) {
2917                         gtk_adjustment_set_value(pos, (vpos+5 > total_height ? total_height : vpos+5));
2918                         gtk_adjustment_changed(pos);
2919                 }
2920                 if (y < 48 && y > 0) {
2921                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2922                         gtk_adjustment_changed(pos);
2923                 }
2924
2925                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2926                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2927                 src_item = folderview->summaryview->folder_item;
2928
2929                 srcwidget = gtk_drag_get_source_widget(context);
2930                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2931                         /* comes from summaryview */
2932                         /* we are copying messages, so only accept folder items that are not
2933                            the source item, are no root items and can copy messages */
2934                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2935                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2936                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2937                                 acceptable = TRUE;
2938                 } else if (srcwidget == folderview->ctree) {
2939                         /* comes from folderview */
2940                         /* we are moving folder items, only accept folders that are not
2941                            the source items and can copy messages and create folder items */
2942                         if (item && item->folder && src_item && src_item != item &&
2943                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2944                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2945                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2946                              || item->folder == src_item->folder))
2947                                 acceptable = TRUE;
2948                 } else {
2949                         /* comes from another app */
2950                         /* we are adding messages, so only accept folder items that are
2951                            no root items and can copy messages */
2952                         if (item && item->folder && folder_item_parent(item) != NULL
2953                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2954                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2955                                 acceptable = TRUE;
2956                 }
2957         }
2958
2959         if (acceptable || (src_item && src_item == item))
2960                 drag_state_start(folderview, node, item);
2961
2962         if (acceptable) {
2963                 g_signal_handlers_block_by_func
2964                         (G_OBJECT(widget),
2965                          G_CALLBACK(folderview_selected), folderview);
2966                 gtk_ctree_select(GTK_CTREE(widget), node);
2967                 g_signal_handlers_unblock_by_func
2968                         (G_OBJECT(widget),
2969                          G_CALLBACK(folderview_selected), folderview);
2970                 gdk_drag_status(context,
2971                                         (context->actions == GDK_ACTION_COPY ?
2972                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2973         } else {
2974                 if (folderview->opened)
2975                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2976                 gdk_drag_status(context, 0, time);
2977         }
2978
2979         return acceptable;
2980 }
2981
2982 static void folderview_drag_leave_cb(GtkWidget      *widget,
2983                                      GdkDragContext *context,
2984                                      guint           time,
2985                                      FolderView     *folderview)
2986 {
2987         drag_state_stop(folderview);
2988         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2989 }
2990
2991 static void free_info (gpointer stuff, gpointer data)
2992 {
2993         g_free(stuff);
2994 }
2995
2996 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2997                            guint time, FolderItem *item)
2998 {
2999         GList *list, *tmp;
3000         GSList *msglist = NULL;
3001         list = uri_list_extract_filenames(data);
3002         if (!(item && item->folder && folder_item_parent(item) != NULL
3003                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
3004         {
3005                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3006                 debug_print("item doesn't fit\n");
3007                 return;
3008         }
3009         if (!list) {
3010                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3011                 debug_print("list is empty\n");
3012                 return;
3013         }
3014         for (tmp = list; tmp != NULL; tmp = tmp->next) {
3015                 MsgFileInfo *info = NULL;
3016
3017                 if (file_is_email((gchar *)tmp->data)) {
3018                         info = g_new0(MsgFileInfo, 1);
3019                         info->msginfo = NULL;
3020                         info->file = (gchar *)tmp->data;
3021                         msglist = g_slist_prepend(msglist, info);
3022                         debug_print("file is a mail\n");
3023                 } else {
3024                         debug_print("file isn't a mail\n");
3025                 }
3026         }
3027         if (msglist) {
3028                 msglist = g_slist_reverse(msglist);
3029                 folder_item_add_msgs(item, msglist, FALSE);
3030                 g_slist_foreach(msglist, free_info, NULL);
3031                 g_slist_free(msglist);
3032                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3033         } else {
3034                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3035         }
3036         list_free_strings(list);
3037         g_list_free(list);
3038 }
3039
3040 static void folderview_drag_received_cb(GtkWidget        *widget,
3041                                         GdkDragContext   *drag_context,
3042                                         gint              x,
3043                                         gint              y,
3044                                         GtkSelectionData *data,
3045                                         guint             info,
3046                                         guint             time,
3047                                         FolderView       *folderview)
3048 {
3049         gint row, column;
3050         FolderItem *item = NULL, *src_item;
3051         GtkCTreeNode *node;
3052         int offset = prefs_common.show_col_headers ? 24:0;
3053
3054         if (info == TARGET_DUMMY) {
3055                 drag_state_stop(folderview);
3056                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
3057                         /* comes from summaryview */
3058                         if (gtk_clist_get_selection_info
3059                                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3060                                 return;
3061
3062                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3063                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3064                         src_item = folderview->summaryview->folder_item;
3065
3066                         if (item->no_select) {
3067                                 alertpanel_error(_("The destination folder can only be used to "
3068                                                    "store subfolders."));
3069                                 return;
3070                         }
3071                         /* re-check (due to acceptable possibly set for folder moves */
3072                         if (!(item && item->folder && item->path && !item->no_select &&
3073                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3074                                 return;
3075                         }
3076                         if (item && src_item) {
3077                                 switch (drag_context->action) {
3078                                 case GDK_ACTION_COPY:
3079                                         summary_copy_selected_to(folderview->summaryview, item);
3080                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3081                                         break;
3082                                 case GDK_ACTION_MOVE:
3083                                 case GDK_ACTION_DEFAULT:
3084                                 default:
3085                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3086                                                 summary_copy_selected_to(folderview->summaryview, item);
3087                                         else
3088                                                 summary_move_selected_to(folderview->summaryview, item);
3089                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3090                                 }
3091                         } else
3092                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3093                 } else {
3094                         /* comes from folderview */
3095                         char *source;
3096                         gboolean folder_is_normal = TRUE;
3097                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
3098
3099                         source = data->data + 17;
3100                         if (gtk_clist_get_selection_info
3101                             (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0
3102                             || *source == 0) {
3103                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3104                                 return;
3105                         }
3106                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3107                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3108                         src_item = folder_find_item_from_identifier(source);
3109
3110                         folder_is_normal =
3111                                 src_item != NULL &&
3112                                 src_item->stype == F_NORMAL &&
3113                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3114                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3115                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3116                                 !folder_has_parent_of_type(src_item, F_TRASH);
3117                         if (!item || !src_item || !folder_is_normal) {
3118                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3119                                 return;
3120                         }
3121
3122                         folderview_move_folder(folderview, src_item, item, copy);
3123                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3124                 }
3125                 folderview->nodes_to_recollapse = NULL;
3126         } else if (info == TARGET_MAIL_URI_LIST) {
3127                 if (gtk_clist_get_selection_info
3128                         (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3129                         return;
3130
3131                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3132                 if (!node) {
3133                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3134                         debug_print("no node\n");
3135                         return;
3136                 }
3137                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3138                 if (!item) {
3139                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3140                         debug_print("no item\n");
3141                         return;
3142                 }
3143                 folderview_finish_dnd(data->data, drag_context, time, item);
3144         }
3145 }
3146
3147 static void folderview_drag_end_cb(GtkWidget        *widget,
3148                                    GdkDragContext   *drag_context,
3149                                    FolderView       *folderview)
3150 {
3151         drag_state_stop(folderview);
3152         g_slist_free(folderview->nodes_to_recollapse);
3153         folderview->nodes_to_recollapse = NULL;
3154 }
3155
3156 void folderview_register_popup(FolderViewPopup *fpopup)
3157 {
3158         GList *folderviews;
3159
3160         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3161                 FolderView *folderview = folderviews->data;
3162                 GtkItemFactory *factory;
3163
3164                 factory = create_ifactory(folderview, fpopup);
3165                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3166         }
3167         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3168 }
3169
3170 void folderview_unregister_popup(FolderViewPopup *fpopup)
3171 {
3172         GList *folderviews;
3173
3174         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3175                 FolderView *folderview = folderviews->data;
3176
3177                 g_hash_table_remove(folderview->popups, fpopup->klass);
3178         }
3179         g_hash_table_remove(folderview_popups, fpopup->klass);
3180 }