src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71 #include "log.h"
  72
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 static GList *folderview_list = NULL;
  77
  78 static GtkStyle *normal_style;
  79 static GtkStyle *normal_color_style;
  80 static GtkStyle *bold_style;
  81 static GtkStyle *bold_color_style;
  82 static GtkStyle *bold_tgtfold_style;
  83
  84 static GdkPixmap *inboxxpm;
  85 static GdkBitmap *inboxxpmmask;
  86 static GdkPixmap *inboxhrmxpm;
  87 static GdkBitmap *inboxhrmxpmmask;
  88 static GdkPixmap *inboxopenxpm;
  89 static GdkBitmap *inboxopenxpmmask;
  90 static GdkPixmap *inboxopenhrmxpm;
  91 static GdkBitmap *inboxopenhrmxpmmask;
  92 static GdkPixmap *outboxxpm;
  93 static GdkBitmap *outboxxpmmask;
  94 static GdkPixmap *outboxhrmxpm;
  95 static GdkBitmap *outboxhrmxpmmask;
  96 static GdkPixmap *outboxopenxpm;
  97 static GdkBitmap *outboxopenxpmmask;
  98 static GdkPixmap *outboxopenhrmxpm;
  99 static GdkBitmap *outboxopenhrmxpmmask;
 100 static GdkPixmap *folderxpm;
 101 static GdkBitmap *folderxpmmask;
 102 static GdkPixmap *folderhrmxpm;
 103 static GdkBitmap *folderhrmxpmmask;
 104 static GdkPixmap *folderopenxpm;
 105 static GdkBitmap *folderopenxpmmask;
 106 static GdkPixmap *folderopenhrmxpm;
 107 static GdkBitmap *folderopenhrmxpmmask;
 108 static GdkPixmap *trashopenxpm;
 109 static GdkBitmap *trashopenxpmmask;
 110 static GdkPixmap *trashopenhrmxpm;
 111 static GdkBitmap *trashopenhrmxpmmask;
 112 static GdkPixmap *trashxpm;
 113 static GdkBitmap *trashxpmmask;
 114 static GdkPixmap *trashhrmxpm;
 115 static GdkBitmap *trashhrmxpmmask;
 116 static GdkPixmap *queuexpm;
 117 static GdkBitmap *queuexpmmask;
 118 static GdkPixmap *queuehrmxpm;
 119 static GdkBitmap *queuehrmxpmmask;
 120 static GdkPixmap *queueopenxpm;
 121 static GdkBitmap *queueopenxpmmask;
 122 static GdkPixmap *queueopenhrmxpm;
 123 static GdkBitmap *queueopenhrmxpmmask;
 124 static GdkPixmap *draftsxpm;
 125 static GdkBitmap *draftsxpmmask;
 126 static GdkPixmap *draftsopenxpm;
 127 static GdkBitmap *draftsopenxpmmask;
 128 static GdkPixmap *noselectxpm;
 129 static GdkBitmap *noselectxpmmask;
 130
 131 static GdkPixmap *m_inboxxpm;
 132 static GdkBitmap *m_inboxxpmmask;
 133 static GdkPixmap *m_inboxhrmxpm;
 134 static GdkBitmap *m_inboxhrmxpmmask;
 135 static GdkPixmap *m_inboxopenxpm;
 136 static GdkBitmap *m_inboxopenxpmmask;
 137 static GdkPixmap *m_inboxopenhrmxpm;
 138 static GdkBitmap *m_inboxopenhrmxpmmask;
 139 static GdkPixmap *m_outboxxpm;
 140 static GdkBitmap *m_outboxxpmmask;
 141 static GdkPixmap *m_outboxhrmxpm;
 142 static GdkBitmap *m_outboxhrmxpmmask;
 143 static GdkPixmap *m_outboxopenxpm;
 144 static GdkBitmap *m_outboxopenxpmmask;
 145 static GdkPixmap *m_outboxopenhrmxpm;
 146 static GdkBitmap *m_outboxopenhrmxpmmask;
 147 static GdkPixmap *m_folderxpm;
 148 static GdkBitmap *m_folderxpmmask;
 149 static GdkPixmap *m_folderhrmxpm;
 150 static GdkBitmap *m_folderhrmxpmmask;
 151 static GdkPixmap *m_folderopenxpm;
 152 static GdkBitmap *m_folderopenxpmmask;
 153 static GdkPixmap *m_folderopenhrmxpm;
 154 static GdkBitmap *m_folderopenhrmxpmmask;
 155 static GdkPixmap *m_trashopenxpm;
 156 static GdkBitmap *m_trashopenxpmmask;
 157 static GdkPixmap *m_trashopenhrmxpm;
 158 static GdkBitmap *m_trashopenhrmxpmmask;
 159 static GdkPixmap *m_trashxpm;
 160 static GdkBitmap *m_trashxpmmask;
 161 static GdkPixmap *m_trashhrmxpm;
 162 static GdkBitmap *m_trashhrmxpmmask;
 163 static GdkPixmap *m_queuexpm;
 164 static GdkBitmap *m_queuexpmmask;
 165 static GdkPixmap *m_queuehrmxpm;
 166 static GdkBitmap *m_queuehrmxpmmask;
 167 static GdkPixmap *m_queueopenxpm;
 168 static GdkBitmap *m_queueopenxpmmask;
 169 static GdkPixmap *m_queueopenhrmxpm;
 170 static GdkBitmap *m_queueopenhrmxpmmask;
 171 static GdkPixmap *m_draftsxpm;
 172 static GdkBitmap *m_draftsxpmmask;
 173 static GdkPixmap *m_draftsopenxpm;
 174 static GdkBitmap *m_draftsopenxpmmask;
 175
 176 static GdkPixmap *newxpm;
 177 static GdkBitmap *newxpmmask;
 178 static GdkPixmap *unreadxpm;
 179 static GdkBitmap *unreadxpmmask;
 180 static GdkPixmap *readxpm;
 181 static GdkBitmap *readxpmmask;
 182
 183 static void folderview_select_node       (FolderView    *folderview,
 184                                           GtkCTreeNode  *node);
 185 static void folderview_set_folders       (FolderView    *folderview);
 186 static void folderview_sort_folders      (FolderView    *folderview,
 187                                           GtkCTreeNode  *root,
 188                                           Folder        *folder);
 189 static void folderview_append_folder     (FolderView    *folderview,
 190                                           Folder        *folder);
 191 static void folderview_update_node       (FolderView    *folderview,
 192                                           GtkCTreeNode  *node);
 193
 194 static gint folderview_clist_compare    (GtkCList       *clist,
 195                                          gconstpointer   ptr1,
 196                                          gconstpointer   ptr2);
 197
 198 /* callback functions */
 199 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_button_released      (GtkWidget      *ctree,
 203                                                  GdkEventButton *event,
 204                                                  FolderView     *folderview);
 205 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 206                                          GdkEventKey    *event,
 207                                          FolderView     *folderview);
 208 static void folderview_selected         (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *row,
 210                                          gint            column,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_expanded    (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 216                                          GtkCTreeNode   *node,
 217                                          FolderView     *folderview);
 218 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 219                                          FolderView     *folderview);
 220 static void folderview_col_resized      (GtkCList       *clist,
 221                                          gint            column,
 222                                          gint            width,
 223                                          FolderView     *folderview);
 224
 225 static void mark_all_read_cb            (FolderView    *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_empty_trash_cb   (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_send_queue_cb    (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static void folderview_search_cb        (FolderView     *folderview,
 238                                          guint           action,
 239                                          GtkWidget      *widget);
 240 static void folderview_run_processing_cb(FolderView     *folderview,
 241                                          guint           action,
 242                                          GtkWidget      *widget);
 243
 244 static void folderview_property_cb      (FolderView     *folderview,
 245                                          guint           action,
 246                                          GtkWidget      *widget);
 247
 248 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 249                                           GdkDragContext *context,
 250                                           gint            x,
 251                                           gint            y,
 252                                           guint           time,
 253                                           FolderView     *folderview);
 254 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 255                                           GdkDragContext   *context,
 256                                           guint             time,
 257                                           FolderView       *folderview);
 258 static void folderview_drag_received_cb  (GtkWidget        *widget,
 259                                           GdkDragContext   *drag_context,
 260                                           gint              x,
 261                                           gint              y,
 262                                           GtkSelectionData *data,
 263                                           guint             info,
 264                                           guint             time,
 265                                           FolderView       *folderview);
 266 #ifndef MAEMO
 267 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 268                                           FolderView       *folderview);
 269 #endif
 270 static void folderview_drag_data_get     (GtkWidget        *widget,
 271                                           GdkDragContext   *drag_context,
 272                                           GtkSelectionData *selection_data,
 273                                           guint             info,
 274                                           guint             time,
 275                                           FolderView       *folderview);
 276 static void folderview_drag_end_cb       (GtkWidget        *widget,
 277                                           GdkDragContext   *drag_context,
 278                                           FolderView       *folderview);
 279
 280 static void folderview_create_folder_node       (FolderView       *folderview,
 281                                           FolderItem       *item);
 282 static gboolean folderview_update_folder         (gpointer          source,
 283                                           gpointer          userdata);
 284 static gboolean folderview_update_item_claws     (gpointer          source,
 285                                           gpointer          data);
 286 static void folderview_processing_cb(FolderView *folderview, guint action,
 287                                      GtkWidget *widget);
 288 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 289                                 GdkEventButton *event);
 290
 291 GHashTable *folderview_popups;
 292
 293 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 294 {
 295         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 296         {"/---",                        NULL, NULL, 0, "<Separator>"},
 297         {N_("/R_un processing rules"),  NULL, folderview_run_processing_cb, 0, NULL},
 298         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 299         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 300         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 301 };
 302
 303 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 304         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 305         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 306 };
 307
 308 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 309         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 310         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 311 };
 312
 313
 314 GtkTargetEntry folderview_drag_types[] =
 315 {
 316         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 317         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 318 };
 319
 320 void folderview_initialize(void)
 321 {
 322         FolderViewPopup *fpopup;
 323         guint i, n_entries;
 324         GSList *entries = NULL;
 325
 326         fpopup = g_new0(FolderViewPopup, 1);
 327
 328         n_entries = sizeof(folderview_common_popup_entries) /
 329                 sizeof(folderview_common_popup_entries[0]);
 330         for (i = 0; i < n_entries; i++)
 331                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 332
 333         fpopup->klass = "common";
 334         fpopup->path = "<CommonFolder>";
 335         fpopup->entries = entries;
 336         fpopup->set_sensitivity = NULL;
 337
 338         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 339         g_hash_table_insert(folderview_popups, "common", fpopup);
 340 }
 341
 342 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 343 {
 344         GSList *entries;
 345         GtkItemFactory *factory;
 346         FolderViewPopup *fpopup_common;
 347         GtkWidget *popup;
 348
 349         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 350         gtk_item_factory_set_translate_func(factory, menu_translate,
 351                                             NULL, NULL);
 352
 353         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 354                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 355
 356         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 357         if (fpopup_common != fpopup)
 358                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 359                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 360
 361         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 362         g_signal_connect(G_OBJECT(popup), "selection_done",
 363                          G_CALLBACK(folderview_popup_close),
 364                          folderview);
 365
 366         return factory;
 367 }
 368
 369 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 370 {
 371         FolderView *folderview = data;
 372         FolderViewPopup *fpopup = value;
 373         GtkItemFactory *factory;
 374
 375         factory = create_ifactory(folderview, fpopup);
 376         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 377 }
 378
 379 static void folderview_column_set_titles(FolderView *folderview)
 380 {
 381         GtkWidget *ctree = folderview->ctree;
 382         GtkWidget *label_folder;
 383         GtkWidget *label_new;
 384         GtkWidget *label_unread;
 385         GtkWidget *label_total;
 386         GtkWidget *hbox_folder;
 387         GtkWidget *hbox_new;
 388         GtkWidget *hbox_unread;
 389         GtkWidget *hbox_total;
 390         gint *col_pos = folderview->col_pos;
 391
 392         debug_print("setting titles...\n");
 393         gtk_widget_realize(folderview->ctree);
 394         gtk_widget_show_all(folderview->scrolledwin);
 395
 396         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 397          * instead text (text overflows making them unreadable and ugly) */
 398         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 399                          &newxpm, &newxpmmask);
 400         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 401                          &unreadxpm, &unreadxpmmask);
 402         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 403                          &readxpm, &readxpmmask);
 404
 405         label_folder = gtk_label_new(_("Folder"));
 406         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 407         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 408         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 409
 410         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 411
 412         hbox_folder = gtk_hbox_new(FALSE, 4);
 413         hbox_new = gtk_hbox_new(FALSE, 4);
 414         hbox_unread = gtk_hbox_new(FALSE, 4);
 415         hbox_total = gtk_hbox_new(FALSE, 4);
 416
 417         /* left justified */
 418         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 419         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 420         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 421         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 422         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 423         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 424         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 425         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 426
 427         gtk_widget_show_all(hbox_folder);
 428         gtk_widget_show_all(hbox_new);
 429         gtk_widget_show_all(hbox_unread);
 430         gtk_widget_show_all(hbox_total);
 431
 432 #ifdef MAEMO
 433         gtk_widget_set_size_request(hbox_new, -1, 20);
 434         gtk_widget_set_size_request(hbox_unread, -1, 20);
 435         gtk_widget_set_size_request(hbox_total, -1, 20);
 436 #endif
 437
 438         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 439         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 440         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 441         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 442
 443 #ifdef MAEMO
 444         GTK_EVENTS_FLUSH();
 445 #endif
 446
 447         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 448         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 449         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 450 }
 451
 452 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 453 {
 454         FolderView *folderview = (FolderView *)data;
 455         GdkEventButton event;
 456         if (folderview_get_selected_item(folderview) == NULL)
 457                 return FALSE;
 458
 459         event.button = 3;
 460         event.time = gtk_get_current_event_time();
 461
 462         folderview_set_sens_and_popup_menu(folderview, -1,
 463                                 &event);
 464
 465         return TRUE;
 466 }
 467
 468
 469 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 470 {
 471         GtkWidget *ctree;
 472         gint *col_pos;
 473         FolderColumnState *col_state;
 474         FolderColumnType type;
 475         gchar *titles[N_FOLDER_COLS];
 476         gint i;
 477         GtkWidget *scrolledwin = folderview->scrolledwin;
 478
 479         debug_print("creating tree...\n");
 480         memset(titles, 0, sizeof(titles));
 481
 482         col_state = prefs_folder_column_get_config();
 483         memset(titles, 0, sizeof(titles));
 484
 485         col_pos = folderview->col_pos;
 486
 487         for (i = 0; i < N_FOLDER_COLS; i++) {
 488                 folderview->col_state[i] = col_state[i];
 489                 type = col_state[i].type;
 490                 col_pos[type] = i;
 491         }
 492
 493         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 494         titles[col_pos[F_COL_NEW]]    = _("New");
 495         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 496         /* TRANSLATORS: This in Number sign in American style */
 497         titles[col_pos[F_COL_TOTAL]]  = _("#");
 498
 499         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 500                                            titles);
 501
 502         if (prefs_common.show_col_headers == FALSE)
 503                 gtk_clist_column_titles_hide(GTK_CLIST(ctree));
 504
 505
 506         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 507         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 508                                            GTK_JUSTIFY_RIGHT);
 509         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 510                                            col_pos[F_COL_UNREAD],
 511                                            GTK_JUSTIFY_RIGHT);
 512         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 513                                            col_pos[F_COL_TOTAL],
 514                                            GTK_JUSTIFY_RIGHT);
 515         if (prefs_common.enable_dotted_lines) {
 516                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 517                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 518                                      GTK_CTREE_EXPANDER_SQUARE);
 519         } else {
 520                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 521                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 522                                      GTK_CTREE_EXPANDER_TRIANGLE);
 523         }
 524
 525         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 526         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 527
 528         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 529         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 530
 531         /* don't let title buttons take key focus */
 532         for (i = 0; i < N_FOLDER_COLS; i++) {
 533                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 534                                        GTK_CAN_FOCUS);
 535                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 536                                    prefs_common.folder_col_size[i]);
 537                 gtk_clist_set_column_visibility
 538                         (GTK_CLIST(ctree), i, col_state[i].visible);
 539         }
 540
 541         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 542                          G_CALLBACK(folderview_key_pressed),
 543                          folderview);
 544         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 545                          G_CALLBACK(folderview_button_pressed),
 546                          folderview);
 547 #ifndef MAEMO
 548         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 549                          G_CALLBACK(folderview_popup_menu), folderview);
 550 #else
 551         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 552                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 553         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 554                          G_CALLBACK(folderview_popup_menu), folderview);
 555 #endif
 556         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 557                          G_CALLBACK(folderview_button_released),
 558                          folderview);
 559         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 560                          G_CALLBACK(folderview_selected), folderview);
 561 #ifndef MAEMO
 562         /* drag-n-dropping folders on maemo is impractical as this
 563          * opens the folder almost everytime */
 564         g_signal_connect(G_OBJECT(ctree), "start_drag",
 565                          G_CALLBACK(folderview_start_drag), folderview);
 566 #endif
 567         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 568                          G_CALLBACK(folderview_drag_data_get),
 569                          folderview);
 570
 571         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 572                                G_CALLBACK(folderview_tree_expanded),
 573                                folderview);
 574         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 575                                G_CALLBACK(folderview_tree_collapsed),
 576                                folderview);
 577
 578         g_signal_connect(G_OBJECT(ctree), "resize_column",
 579                          G_CALLBACK(folderview_col_resized),
 580                          folderview);
 581
 582         /* drop callback */
 583         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 584                           folderview_drag_types, 2,
 585                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 586         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 587                          G_CALLBACK(folderview_drag_motion_cb),
 588                          folderview);
 589         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 590                          G_CALLBACK(folderview_drag_leave_cb),
 591                          folderview);
 592         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 593                          G_CALLBACK(folderview_drag_received_cb),
 594                          folderview);
 595         g_signal_connect(G_OBJECT(ctree), "drag_end",
 596                          G_CALLBACK(folderview_drag_end_cb),
 597                          folderview);
 598
 599         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 600
 601         return ctree;
 602 }
 603
 604 void folderview_set_column_order(FolderView *folderview)
 605 {
 606         GtkWidget *ctree;
 607         FolderItem *item = folderview_get_selected_item(folderview);
 608         GtkWidget *scrolledwin = folderview->scrolledwin;
 609
 610         debug_print("recreating tree...\n");
 611         gtk_widget_destroy(folderview->ctree);
 612
 613         folderview->ctree = ctree = folderview_ctree_create(folderview);
 614         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 615                                             GTK_CLIST(ctree)->hadjustment);
 616         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 617                                             GTK_CLIST(ctree)->vadjustment);
 618         gtk_widget_show(ctree);
 619
 620         folderview_set(folderview);
 621         folderview_column_set_titles(folderview);
 622
 623         folderview_select(folderview,item);
 624 }
 625
 626 FolderView *folderview_create(void)
 627 {
 628         FolderView *folderview;
 629         GtkWidget *scrolledwin;
 630         GtkWidget *ctree;
 631
 632         debug_print("Creating folder view...\n");
 633         folderview = g_new0(FolderView, 1);
 634
 635         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 636         gtk_scrolled_window_set_policy
 637                 (GTK_SCROLLED_WINDOW(scrolledwin),
 638                  GTK_POLICY_AUTOMATIC,
 639                  prefs_common.folderview_vscrollbar_policy);
 640         gtk_widget_set_size_request(scrolledwin,
 641                              prefs_common.folderview_width,
 642                              prefs_common.folderview_height);
 643
 644         folderview->scrolledwin  = scrolledwin;
 645         ctree = folderview_ctree_create(folderview);
 646
 647         /* create popup factories */
 648         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 649         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 650
 651         folderview->ctree        = ctree;
 652
 653         folderview->folder_update_callback_id =
 654                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 655         folderview->folder_item_update_callback_id =
 656                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 657
 658         gtk_widget_show_all(scrolledwin);
 659
 660         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 661         folderview_list = g_list_append(folderview_list, folderview);
 662         folderview->deferred_refresh_id = -1;
 663
 664         return folderview;
 665 }
 666
 667 void folderview_init(FolderView *folderview)
 668 {
 669         GtkWidget *ctree = folderview->ctree;
 670         GdkColor gdk_color;
 671
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 686         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 687         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 688         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 689         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 690         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 691         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 692         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 693         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 694         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 695
 696         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 697         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 698         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 699         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 700         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 701         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 702         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 703         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 704         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 705         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 706         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 707         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 708         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 709         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 710         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 711         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 712         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 713         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 714         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 715         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 716         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 717         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 718
 719         if (!normal_style) {
 720                 PangoFontDescription *font_desc;
 721                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 722                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 723                 if (font_desc) {
 724                         if (normal_style->font_desc)
 725                                 pango_font_description_free
 726                                         (normal_style->font_desc);
 727                         normal_style->font_desc = font_desc;
 728                 }
 729                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 730                 normal_color_style = gtk_style_copy(normal_style);
 731                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 732
 733                 gtk_widget_set_style(ctree, normal_style);
 734         }
 735
 736         if (!bold_style) {
 737                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 738                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 739                 pango_font_description_set_weight
 740                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 741                 bold_color_style = gtk_style_copy(bold_style);
 742                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 743
 744                 bold_tgtfold_style = gtk_style_copy(bold_style);
 745                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 746         }
 747 }
 748
 749 static gboolean folderview_defer_set(gpointer data)
 750 {
 751         FolderView *folderview = (FolderView *)data;
 752         MainWindow *mainwin = folderview->mainwin;
 753
 754         if (!mainwin)
 755                 return FALSE;
 756         if (mainwin->lock_count)
 757                 return TRUE;
 758
 759         debug_print("doing deferred folderview_set now\n");
 760         folderview_set(folderview);
 761
 762         folderview->deferred_refresh_id = -1;
 763         return FALSE;
 764 }
 765
 766 void folderview_set(FolderView *folderview)
 767 {
 768         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 769         MainWindow *mainwin = folderview->mainwin;
 770         FolderItem *sel_item = NULL, *op_item = NULL;
 771
 772         if (!mainwin)
 773                 return;
 774
 775         if (mainwin->lock_count) {
 776                 if (folderview->deferred_refresh_id == -1)
 777                         folderview->deferred_refresh_id =
 778                                 g_timeout_add(500, folderview_defer_set, folderview);
 779                 debug_print("deferred folderview_set\n");
 780                 return;
 781         }
 782
 783         inc_lock();
 784         debug_print("Setting folder info...\n");
 785         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 786
 787         main_window_cursor_wait(mainwin);
 788
 789         if (folderview->selected)
 790                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 791         if (folderview->opened)
 792                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 793
 794         folderview->selected = NULL;
 795         folderview->opened = NULL;
 796
 797         gtk_clist_freeze(GTK_CLIST(ctree));
 798         gtk_clist_clear(GTK_CLIST(ctree));
 799
 800         folderview_set_folders(folderview);
 801
 802         if (sel_item)
 803                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 804         if (op_item)
 805                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 806
 807         gtk_clist_thaw(GTK_CLIST(ctree));
 808         main_window_cursor_normal(mainwin);
 809         STATUSBAR_POP(mainwin);
 810         inc_unlock();
 811 }
 812
 813 void folderview_set_all(void)
 814 {
 815         GList *list;
 816
 817         for (list = folderview_list; list != NULL; list = list->next)
 818                 folderview_set((FolderView *)list->data);
 819 }
 820
 821 void folderview_select(FolderView *folderview, FolderItem *item)
 822 {
 823         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 824         GtkCTreeNode *node;
 825         GtkCTreeNode *old_selected = folderview->selected;
 826
 827         if (!item) return;
 828
 829         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 830         if (node) folderview_select_node(folderview, node);
 831
 832         if (old_selected != node)
 833                 folder_update_op_count();
 834 }
 835
 836 static void mark_all_read_cb(FolderView *folderview, guint action,
 837                              GtkWidget *widget)
 838 {
 839         FolderItem *item;
 840         AlertValue val;
 841
 842         item = folderview_get_selected_item(folderview);
 843         if (item == NULL)
 844                 return;
 845
 846         if (folderview->summaryview->folder_item != item
 847         &&  prefs_common.ask_mark_all_read) {
 848                 val = alertpanel_full(_("Mark all as read"),
 849                         _("Do you really want to mark all mails in this "
 850                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 851                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 852
 853                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 854                         return;
 855                 else if (val & G_ALERTDISABLE)
 856                         prefs_common.ask_mark_all_read = FALSE;
 857         }
 858
 859
 860         folder_item_update_freeze();
 861         if (folderview->summaryview->folder_item != item)
 862                 summary_lock(folderview->summaryview);
 863         else
 864                 summary_freeze(folderview->summaryview);
 865
 866         folderutils_mark_all_read(item);
 867
 868         if (folderview->summaryview->folder_item != item)
 869                 summary_unlock(folderview->summaryview);
 870         else
 871                 summary_thaw(folderview->summaryview);
 872         folder_item_update_thaw();
 873 }
 874
 875 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 876 {
 877         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 878
 879         g_return_if_fail(node != NULL);
 880
 881         if (folderview->open_folder) {
 882                 return;
 883         }
 884
 885         folderview->open_folder = TRUE;
 886         gtkut_ctree_set_focus_row(ctree, node);
 887         gtk_ctree_select(ctree, node);
 888         if (folderview->summaryview->folder_item &&
 889             folderview->summaryview->folder_item->total_msgs > 0)
 890                 summary_grab_focus(folderview->summaryview);
 891         else
 892                 gtk_widget_grab_focus(folderview->ctree);
 893
 894         gtkut_ctree_expand_parent_all(ctree, node);
 895 }
 896
 897 void folderview_unselect(FolderView *folderview)
 898 {
 899         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 900                 gtk_ctree_collapse
 901                         (GTK_CTREE(folderview->ctree), folderview->opened);
 902
 903         folderview->selected = folderview->opened = NULL;
 904 }
 905
 906 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 907                                                  GtkCTreeNode *node)
 908 {
 909         FolderItem *item;
 910
 911         if (node)
 912                 node = gtkut_ctree_node_next(ctree, node);
 913         else
 914                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 915
 916         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 917                 item = gtk_ctree_node_get_row_data(ctree, node);
 918                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 919                         return node;
 920         }
 921
 922         return NULL;
 923 }
 924
 925 void folderview_select_next_marked(FolderView *folderview)
 926 {
 927         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 928         GtkCTreeNode *node = NULL;
 929         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 930         gboolean last_open = prefs_common.always_show_msg;
 931
 932         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 933         prefs_common.always_show_msg = TRUE;
 934
 935         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 936             != NULL) {
 937                 folderview_select_node(folderview, node);
 938                 goto out;
 939         }
 940
 941         if (!folderview->opened ||
 942             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 943                 goto out;
 944         }
 945         /* search again from the first node */
 946         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 947                 folderview_select_node(folderview, node);
 948
 949 out:
 950         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 951         prefs_common.always_show_msg = last_open;
 952 }
 953
 954 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 955                                                  GtkCTreeNode *node)
 956 {
 957         FolderItem *item;
 958
 959         if (node)
 960                 node = gtkut_ctree_node_next(ctree, node);
 961         else
 962                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 963
 964         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 965                 item = gtk_ctree_node_get_row_data(ctree, node);
 966                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 967                         return node;
 968         }
 969
 970         return NULL;
 971 }
 972
 973 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 974 {
 975         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 976         GtkCTreeNode *node = NULL;
 977         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 978         gboolean last_open = prefs_common.always_show_msg;
 979
 980         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 981         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 982
 983         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 984             != NULL) {
 985                 folderview_select_node(folderview, node);
 986                 goto out;
 987         }
 988
 989         if (!folderview->opened ||
 990             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 991                 goto out;
 992         }
 993         /* search again from the first node */
 994         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 995                 folderview_select_node(folderview, node);
 996
 997 out:
 998         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 999         prefs_common.always_show_msg = last_open;
1000 }
1001
1002 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
1003                                                  GtkCTreeNode *node)
1004 {
1005         FolderItem *item;
1006
1007         if (node)
1008                 node = gtkut_ctree_node_next(ctree, node);
1009         else
1010                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1011
1012         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1013                 item = gtk_ctree_node_get_row_data(ctree, node);
1014                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
1015                         return node;
1016         }
1017
1018         return NULL;
1019 }
1020
1021 void folderview_select_next_new(FolderView *folderview)
1022 {
1023         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1024         GtkCTreeNode *node = NULL;
1025         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1026         gboolean last_open = prefs_common.always_show_msg;
1027
1028         prefs_common.summary_select_prio[0] = ACTION_NEW;
1029         prefs_common.always_show_msg = TRUE;
1030
1031         if ((node = folderview_find_next_new(ctree, folderview->opened))
1032             != NULL) {
1033                 folderview_select_node(folderview, node);
1034                 goto out;
1035         }
1036
1037         if (!folderview->opened ||
1038             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1039                 goto out;
1040         }
1041         /* search again from the first node */
1042         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1043                 folderview_select_node(folderview, node);
1044
1045 out:
1046         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1047         prefs_common.always_show_msg = last_open;
1048 }
1049
1050 FolderItem *folderview_get_selected_item(FolderView *folderview)
1051 {
1052         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1053
1054         if (!folderview->selected) return NULL;
1055         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1056 }
1057
1058 static void folderview_set_folders(FolderView *folderview)
1059 {
1060         GList *list;
1061         list = folder_get_list();
1062
1063         for (; list != NULL; list = list->next) {
1064                 folderview_append_folder(folderview, FOLDER(list->data));
1065         }
1066 }
1067
1068 static gchar *get_scan_str(FolderItem *item)
1069 {
1070         if (item->path)
1071                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1072                                       item->folder->name, G_DIR_SEPARATOR,
1073                                       item->path);
1074         else
1075                 return g_strdup_printf(_("Scanning folder %s ..."),
1076                                       item->folder->name);
1077 }
1078 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1079                                       gpointer data)
1080 {
1081         GList *list;
1082         for (list = folderview_list; list != NULL; list = list->next) {
1083                 FolderView *folderview = (FolderView *)list->data;
1084                 MainWindow *mainwin = folderview->mainwin;
1085                 gchar *str = get_scan_str(item);
1086
1087                 STATUSBAR_PUSH(mainwin, str);
1088                 STATUSBAR_POP(mainwin);
1089                 g_free(str);
1090         }
1091 }
1092
1093 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1094 {
1095         GtkWidget *window;
1096         MainWindow *mainwin = mainwindow_get_mainwindow();
1097         FolderView *folderview = NULL;
1098         GtkAdjustment *pos = NULL;
1099         gint height = 0;
1100
1101         g_return_if_fail(folder != NULL);
1102
1103         if (!folder->klass->scan_tree) return;
1104
1105         if (rebuild &&
1106             alertpanel_full(_("Rebuild folder tree"),
1107                          _("Rebuilding the folder tree will remove "
1108                            "local caches. Do you want to continue?"),
1109                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1110                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1111                 != G_ALERTALTERNATE) {
1112                 return;
1113         }
1114
1115         inc_lock();
1116         if (rebuild)
1117                 window = label_window_create(_("Rebuilding folder tree..."));
1118         else
1119                 window = label_window_create(_("Scanning folder tree..."));
1120
1121         if (mainwin)
1122                 folderview = mainwin->folderview;
1123
1124         if (folderview) {
1125                 pos = gtk_scrolled_window_get_vadjustment(
1126                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1127                 height = pos->value;
1128         }
1129
1130         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1131         folder_scan_tree(folder, rebuild);
1132         folder_set_ui_func(folder, NULL, NULL);
1133
1134         folderview_set_all();
1135
1136         if (folderview) {
1137                 pos = gtk_scrolled_window_get_vadjustment(
1138                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1139                 gtk_adjustment_set_value(pos, height);
1140                 gtk_adjustment_changed(pos);
1141         }
1142         label_window_destroy(window);
1143         inc_unlock();
1144 }
1145
1146 void folderview_fast_rescan_tree(Folder *folder)
1147 {
1148         GtkWidget *window;
1149         MainWindow *mainwin = mainwindow_get_mainwindow();
1150         FolderView *folderview = NULL;
1151         GtkAdjustment *pos = NULL;
1152         gint height = 0;
1153
1154         g_return_if_fail(folder != NULL);
1155
1156         if (!folder->klass->scan_tree) return;
1157
1158         inc_lock();
1159
1160         window = label_window_create(_("Scanning folder tree..."));
1161
1162         if (mainwin)
1163                 folderview = mainwin->folderview;
1164
1165         if (folderview) {
1166                 pos = gtk_scrolled_window_get_vadjustment(
1167                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1168                 height = pos->value;
1169         }
1170
1171         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1172         folder_fast_scan_tree(folder);
1173         folder_set_ui_func(folder, NULL, NULL);
1174
1175         folderview_set_all();
1176
1177         if (folderview) {
1178                 pos = gtk_scrolled_window_get_vadjustment(
1179                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1180                 gtk_adjustment_set_value(pos, height);
1181                 gtk_adjustment_changed(pos);
1182         }
1183         label_window_destroy(window);
1184         inc_unlock();
1185 }
1186
1187 /** folderview_check_new()
1188  *  Scan and update the folder and return the
1189  *  count the number of new messages since last check.
1190  *  \param folder the folder to check for new messages
1191  *  \return the number of new messages since last check
1192  */
1193 gint folderview_check_new(Folder *folder)
1194 {
1195         GList *list;
1196         FolderItem *item;
1197         FolderView *folderview;
1198         GtkCTree *ctree;
1199         GtkCTreeNode *node;
1200         gint new_msgs = 0;
1201         gint former_new_msgs = 0;
1202         gint former_new = 0, former_unread = 0, former_total;
1203
1204         for (list = folderview_list; list != NULL; list = list->next) {
1205                 folderview = (FolderView *)list->data;
1206                 ctree = GTK_CTREE(folderview->ctree);
1207                 folderview->scanning_folder = folder;
1208                 inc_lock();
1209                 main_window_lock(folderview->mainwin);
1210
1211                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1212                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1213                         gchar *str = NULL;
1214                         item = gtk_ctree_node_get_row_data(ctree, node);
1215                         if (!item || !item->path || !item->folder) continue;
1216                         if (item->no_select) continue;
1217                         if (folder && folder != item->folder) continue;
1218                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1219                         if (!item->prefs->newmailcheck) continue;
1220                         if (item->processing_pending == TRUE) {
1221                                 debug_print("skipping %s, processing pending\n",
1222                                         item->path ? item->path : item->name);
1223                                 continue;
1224                         }
1225                         if (item->scanning != ITEM_NOT_SCANNING) {
1226                                 debug_print("skipping %s, scanning\n",
1227                                         item->path ? item->path : item->name);
1228                                 continue;
1229                         }
1230
1231                         str = get_scan_str(item);
1232
1233                         STATUSBAR_PUSH(folderview->mainwin, str);
1234                         GTK_EVENTS_FLUSH();
1235                         g_free(str);
1236
1237                         folderview_scan_tree_func(item->folder, item, NULL);
1238                         former_new    = item->new_msgs;
1239                         former_unread = item->unread_msgs;
1240                         former_total  = item->total_msgs;
1241
1242                         if (item->folder->klass->scan_required &&
1243                             (item->folder->klass->scan_required(item->folder, item) ||
1244                              item->folder->inbox == item ||
1245                              item->opened == TRUE ||
1246                              item->processing_pending == TRUE)) {
1247                                 if (folder_item_scan(item) < 0) {
1248                                         if (folder) {
1249                                                 summaryview_unlock(folderview->summaryview, item);
1250                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1251                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1252                                                                 item->path ? item->path:item->name);
1253                                                         STATUSBAR_POP(folderview->mainwin);
1254                                                         continue;
1255                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1256                                                         STATUSBAR_POP(folderview->mainwin);
1257                                                         break;
1258                                                 }
1259                                         }
1260                                 }
1261                         } else if (!item->folder->klass->scan_required) {
1262                                 if (folder_item_scan(item) < 0) {
1263                                         summaryview_unlock(folderview->summaryview, item);
1264                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1265                                                 STATUSBAR_POP(folderview->mainwin);
1266                                                 break;
1267                                         }
1268                                 }
1269                         }
1270                         if (former_new    != item->new_msgs ||
1271                             former_unread != item->unread_msgs ||
1272                             former_total  != item->total_msgs)
1273                                 folderview_update_node(folderview, node);
1274
1275                         new_msgs += item->new_msgs;
1276                         former_new_msgs += former_new;
1277                         STATUSBAR_POP(folderview->mainwin);
1278                 }
1279                 folderview->scanning_folder = NULL;
1280                 main_window_unlock(folderview->mainwin);
1281                 inc_unlock();
1282         }
1283
1284         folder_write_list();
1285         /* Number of new messages since last check is the just the difference
1286          * between former_new_msgs and new_msgs. If new_msgs is less than
1287          * former_new_msgs, that would mean another session accessed the folder
1288          * and the result is not well defined.
1289          */
1290         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1291         return new_msgs;
1292 }
1293
1294 void folderview_check_new_all(void)
1295 {
1296         GList *list;
1297         GtkWidget *window;
1298         FolderView *folderview;
1299
1300         folderview = (FolderView *)folderview_list->data;
1301
1302         inc_lock();
1303         main_window_lock(folderview->mainwin);
1304         window = label_window_create
1305                 (_("Checking for new messages in all folders..."));
1306
1307         list = folder_get_list();
1308         for (; list != NULL; list = list->next) {
1309                 Folder *folder = list->data;
1310
1311                 folderview_check_new(folder);
1312         }
1313
1314         folder_write_list();
1315         folderview_set_all();
1316
1317         label_window_destroy(window);
1318         main_window_unlock(folderview->mainwin);
1319         inc_unlock();
1320 }
1321
1322 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1323                                                  FolderItem *item,
1324                                                  gboolean in_sub)
1325 {
1326         GNode *node = NULL;
1327
1328         if (!item || !item->folder || !item->folder->node)
1329                 return FALSE;
1330
1331         node = item->folder->node;
1332
1333         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1334         node = node->children;
1335
1336         if (in_sub &&
1337             (item->new_msgs > 0 ||
1338             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1339                 return TRUE;
1340         }
1341
1342         while (node != NULL) {
1343                 if (node && node->data) {
1344                         FolderItem *next_item = (FolderItem*) node->data;
1345                         node = node->next;
1346                         if (folderview_have_new_children_sub(folderview,
1347                                                              next_item, TRUE))
1348                                 return TRUE;
1349                 }
1350         }
1351
1352         return FALSE;
1353 }
1354
1355 static gboolean folderview_have_new_children(FolderView *folderview,
1356                                              FolderItem *item)
1357 {
1358         return folderview_have_new_children_sub(folderview, item, FALSE);
1359 }
1360
1361 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1362                                                     FolderItem *item,
1363                                                     gboolean in_sub)
1364 {
1365         GNode *node = NULL;
1366
1367         if (!item || !item->folder || !item->folder->node)
1368                 return FALSE;
1369
1370         node = item->folder->node;
1371
1372         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1373         node = node->children;
1374
1375         if (in_sub &&
1376             (item->unread_msgs > 0 ||
1377             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1378                 return TRUE;
1379         }
1380
1381         while (node != NULL) {
1382                 if (node && node->data) {
1383                         FolderItem *next_item = (FolderItem*) node->data;
1384                         node = node->next;
1385                         if (folderview_have_unread_children_sub(folderview,
1386                                                                 next_item,
1387                                                                 TRUE))
1388                                 return TRUE;
1389                 }
1390         }
1391
1392         return FALSE;
1393 }
1394
1395 static gboolean folderview_have_unread_children(FolderView *folderview,
1396                                                 FolderItem *item)
1397 {
1398         return folderview_have_unread_children_sub(folderview, item, FALSE);
1399 }
1400
1401 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1402                                                       FolderItem *item,
1403                                                       gboolean in_sub)
1404 {
1405         GNode *node = NULL;
1406
1407         if (!item || !item->folder || !item->folder->node)
1408                 return FALSE;
1409
1410         node = item->folder->node;
1411
1412         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1413         node = node->children;
1414
1415         if (in_sub && item->search_match){
1416                 return TRUE;
1417         }
1418
1419         while (node != NULL) {
1420                 if (node && node->data) {
1421                         FolderItem *next_item = (FolderItem*) node->data;
1422                         node = node->next;
1423                         if (folderview_have_matching_children_sub(folderview,
1424                                                                   next_item,
1425                                                                   TRUE))
1426                                 return TRUE;
1427                 }
1428         }
1429
1430         return FALSE;
1431 }
1432
1433 static gboolean folderview_have_matching_children(FolderView *folderview,
1434                                                   FolderItem *item)
1435 {
1436         return folderview_have_matching_children_sub(folderview, item, FALSE);
1437 }
1438
1439 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1440                                                     FolderItem *item,
1441                                                     gboolean in_sub)
1442 {
1443         GNode *node = NULL;
1444
1445         if (!item || !item->folder || !item->folder->node)
1446                 return FALSE;
1447
1448         node = item->folder->node;
1449
1450         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1451         node = node->children;
1452
1453         if (item->marked_msgs != 0) {
1454                 return TRUE;
1455         }
1456
1457         while (node != NULL) {
1458                 if (node && node->data) {
1459                         FolderItem *next_item = (FolderItem*) node->data;
1460                         node = node->next;
1461                         if (folderview_have_marked_children_sub(folderview,
1462                                                                 next_item, TRUE))
1463                                 return TRUE;
1464                 }
1465         }
1466
1467         return FALSE;
1468 }
1469
1470 static gboolean folderview_have_marked_children(FolderView *folderview,
1471                                              FolderItem *item)
1472 {
1473         return folderview_have_marked_children_sub(folderview, item, FALSE);
1474 }
1475
1476 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1477 {
1478         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1479         GtkStyle *style = NULL;
1480         GtkStyle *color_style = NULL;
1481         FolderItem *item;
1482         GdkPixmap *xpm, *openxpm;
1483         GdkBitmap *mask, *openmask;
1484         static GdkPixmap *searchicon;
1485         static GdkBitmap *searchmask;
1486         gboolean mark = FALSE;
1487         gchar *name;
1488         gchar *str;
1489         gboolean add_unread_mark;
1490         gboolean add_sub_match_mark;
1491         gboolean use_bold, use_color;
1492         gint *col_pos = folderview->col_pos;
1493         SpecialFolderItemType stype;
1494
1495         item = gtk_ctree_node_get_row_data(ctree, node);
1496         g_return_if_fail(item != NULL);
1497
1498         if (!GTK_CTREE_ROW(node)->expanded)
1499                 mark = folderview_have_marked_children(folderview, item);
1500         else
1501                 mark = (item->marked_msgs != 0);
1502
1503         stype = item->stype;
1504         if (stype == F_NORMAL) {
1505                 if (folder_has_parent_of_type(item, F_TRASH))
1506                         stype = F_TRASH;
1507                 else if (folder_has_parent_of_type(item, F_DRAFT))
1508                         stype = F_DRAFT;
1509                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1510                         stype = F_OUTBOX;
1511                 else if (folder_has_parent_of_type(item, F_QUEUE))
1512                         stype = F_QUEUE;
1513         }
1514         switch (stype) {
1515         case F_INBOX:
1516                 if (item->hide_read_msgs) {
1517                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1518                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1519                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1520                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1521                 } else {
1522                         xpm = mark?m_inboxxpm:inboxxpm;
1523                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1524                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1525                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1526                 }
1527                 break;
1528         case F_OUTBOX:
1529                 if (item->hide_read_msgs) {
1530                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1531                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1532                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1533                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1534                 } else {
1535                         xpm = mark?m_outboxxpm:outboxxpm;
1536                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1537                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1538                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1539                 }
1540                 break;
1541         case F_QUEUE:
1542                 if (item->hide_read_msgs) {
1543                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1544                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1545                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1546                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1547                 } else {
1548                         xpm = mark?m_queuexpm:queuexpm;
1549                         mask = mark?m_queuexpmmask:queuexpmmask;
1550                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1551                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1552                 }
1553                 break;
1554         case F_TRASH:
1555                 if (item->hide_read_msgs) {
1556                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1557                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1558                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1559                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1560                 } else {
1561                         xpm = mark?m_trashxpm:trashxpm;
1562                         mask = mark?m_trashxpmmask:trashxpmmask;
1563                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1564                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1565                 }
1566                 break;
1567         case F_DRAFT:
1568                 xpm = mark?m_draftsxpm:draftsxpm;
1569                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1570                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1571                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1572                 break;
1573         default:
1574                 if (item->hide_read_msgs) {
1575                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1576                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1577                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1578                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1579                 } else {
1580                         xpm = mark?m_folderxpm:folderxpm;
1581                         mask = mark?m_folderxpmmask:folderxpmmask;
1582                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1583                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1584                 }
1585         }
1586
1587         if (item->no_select) {
1588                 xpm = openxpm = noselectxpm;
1589                 mask = openmask = noselectxpmmask;
1590         }
1591
1592         name = folder_item_get_name(item);
1593
1594         if (!GTK_CTREE_ROW(node)->expanded) {
1595                 add_unread_mark = folderview_have_unread_children(
1596                                         folderview, item);
1597                 add_sub_match_mark = folderview_have_matching_children(
1598                                         folderview, item);
1599         } else {
1600                 add_unread_mark = FALSE;
1601                 add_sub_match_mark = FALSE;
1602         }
1603
1604         if (item->search_match) {
1605                 if (!searchicon) {
1606                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1607                          &searchicon, &searchmask);
1608                 }
1609                 xpm = openxpm = searchicon;
1610                 mask = openmask = searchmask;
1611         }
1612
1613         str = NULL;
1614         if (prefs_common.display_folder_unread) {
1615                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1616                         /* only total_msgs matters here */
1617                         if (item->total_msgs > 0) {
1618                                 /* show total number (should be equal to the unread number)
1619                                    and signs if any */
1620                                 str = g_strdup_printf("%s (%d%s%s)",
1621                                                         name, item->total_msgs,
1622                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1623                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1624                         }
1625         } else {
1626                         if (prefs_common.display_folder_unread == 1) {
1627                                 if (item->unread_msgs > 0) {
1628                                         /* show unread number and signs */
1629                                         str = g_strdup_printf("%s (%d%s%s)",
1630                                                                 name, item->unread_msgs,
1631                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1632                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1633                                 }
1634                         } else {
1635                                 if (item->total_msgs > 0) {
1636                                         /* show unread number, total number and signs if any */
1637                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1638                                                                 name, item->unread_msgs, item->total_msgs,
1639                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1640                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1641                                 }
1642                         }
1643                 }
1644                 if ((str == NULL) &&
1645                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1646                         /* no unread/total numbers, but at least one sign */
1647                         str = g_strdup_printf("%s (%s%s)",
1648                                                 name,
1649                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1650                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1651                 }
1652         }
1653         if (str == NULL) {
1654                 /* last fallback, folder name only or with ! sign */
1655                 str = g_strdup_printf("%s%s",
1656                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1657         }
1658                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1659                                         xpm, mask, openxpm, openmask,
1660                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1661                 g_free(str);
1662         g_free(name);
1663
1664         if (!folder_item_parent(item)) {
1665                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1666                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1667                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1668         } else {
1669                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1670                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1671                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1672         }
1673
1674         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1675             folder_has_parent_of_type(item, F_DRAFT) ||
1676             folder_has_parent_of_type(item, F_TRASH)) {
1677                 use_bold = use_color = FALSE;
1678         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1679                 /* highlight queue folder if there are any messages */
1680                 use_bold = use_color = (item->total_msgs > 0);
1681         } else {
1682                 /* if unread messages exist, print with bold font */
1683                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1684                                 || add_unread_mark;
1685                 /* if new messages exist, print with colored letter */
1686                 use_color =
1687                         (item->new_msgs > 0) ||
1688                         (add_unread_mark &&
1689                          folderview_have_new_children(folderview, item));
1690         }
1691
1692         gtk_ctree_node_set_foreground(ctree, node, NULL);
1693
1694         if (use_bold) {
1695                 GdkColor gdk_color;
1696
1697                 if (item->prefs->color > 0 && !use_color) {
1698                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1699                         color_style = gtk_style_copy(bold_style);
1700                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1701                         style = color_style;
1702                 } else if (use_color) {
1703                         style = bold_color_style;
1704                 } else
1705                         style = bold_style;
1706                 if (item->op_count > 0) {
1707                         style = bold_tgtfold_style;
1708                 }
1709         } else if (use_color) {
1710                 style = normal_color_style;
1711                 gtk_ctree_node_set_foreground(ctree, node,
1712                                               &folderview->color_new);
1713         } else if (item->op_count > 0) {
1714                 style = bold_tgtfold_style;
1715         } else if (item->prefs->color > 0) {
1716                 GdkColor gdk_color;
1717                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1718                 color_style = gtk_style_copy(normal_style);
1719                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1720                 style = color_style;
1721         } else {
1722                 style = normal_style;
1723         }
1724
1725         gtk_ctree_node_set_row_style(ctree, node, style);
1726
1727         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1728                 folderview_update_node(folderview, node);
1729 }
1730
1731 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1732 {
1733         GList *list;
1734         FolderView *folderview;
1735         GtkCTree *ctree;
1736         GtkCTreeNode *node;
1737
1738         g_return_if_fail(item != NULL);
1739
1740         for (list = folderview_list; list != NULL; list = list->next) {
1741                 folderview = (FolderView *)list->data;
1742                 ctree = GTK_CTREE(folderview->ctree);
1743
1744                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1745                 if (node) {
1746                         item->search_match = matches;
1747                         folderview_update_node(folderview, node);
1748                 }
1749         }
1750 }
1751
1752 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1753 {
1754         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1755         FolderView *folderview = (FolderView *)data;
1756         GtkCTree *ctree;
1757         GtkCTreeNode *node;
1758         g_return_val_if_fail(update_info != NULL, TRUE);
1759         g_return_val_if_fail(update_info->item != NULL, TRUE);
1760         g_return_val_if_fail(folderview != NULL, FALSE);
1761
1762         ctree = GTK_CTREE(folderview->ctree);
1763
1764         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1765
1766         if (node) {
1767                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1768                         folderview_update_node(folderview, node);
1769
1770                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1771                      update_info->item == folderview->summaryview->folder_item &&
1772                      update_info->item != NULL)
1773                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1774                                 summary_show(folderview->summaryview, update_info->item);
1775         }
1776
1777         return FALSE;
1778 }
1779
1780 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1781                                       GNode *gnode, GtkCTreeNode *cnode,
1782                                       gpointer data)
1783 {
1784         FolderView *folderview = (FolderView *)data;
1785         FolderItem *item = FOLDER_ITEM(gnode->data);
1786
1787         g_return_val_if_fail(item != NULL, FALSE);
1788
1789         gtk_ctree_node_set_row_data(ctree, cnode, item);
1790         folderview_update_node(folderview, cnode);
1791
1792         return TRUE;
1793 }
1794
1795 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1796                                    gpointer data)
1797 {
1798         FolderView *folderview = (FolderView *)data;
1799         FolderItem *item;
1800
1801         if (GTK_CTREE_ROW(node)->children) {
1802                 item = gtk_ctree_node_get_row_data(ctree, node);
1803                 g_return_if_fail(item != NULL);
1804
1805                 if (!item->collapsed)
1806                         gtk_ctree_expand(ctree, node);
1807                 else
1808                         folderview_update_node(folderview, node);
1809         }
1810 }
1811
1812 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1813                                GtkCTreeNode *root, GtkCTreeNode **prev)
1814 {
1815         if (item) {
1816                 GtkCTreeNode *node, *parent, *sibling;
1817
1818                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1819                 if (!node)
1820                         g_warning("%s not found.\n", item->path);
1821                 else {
1822                         parent = GTK_CTREE_ROW(node)->parent;
1823                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1824                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1825                         else
1826                                 sibling = GTK_CTREE_ROW(parent)->children;
1827                         while (sibling) {
1828                                 FolderItem *tmp;
1829
1830                                 tmp = gtk_ctree_node_get_row_data
1831                                         (ctree, sibling);
1832                                 if (tmp->stype != F_NORMAL)
1833                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1834                                 else
1835                                         break;
1836                         }
1837                         if (node != sibling)
1838                                 gtk_ctree_move(ctree, node, parent, sibling);
1839                 }
1840
1841                 *prev = node;
1842         }
1843 }
1844
1845 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1846                                     Folder *folder)
1847 {
1848         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1849         GtkCTreeNode *prev = NULL;
1850
1851         gtk_clist_freeze(GTK_CLIST(ctree));
1852         gtk_sctree_sort_recursive(ctree, root);
1853         if (root && GTK_CTREE_ROW(root)->parent) {
1854                 gtk_clist_thaw(GTK_CLIST(ctree));
1855                 return;
1856         }
1857         set_special_folder(ctree, folder->inbox, root, &prev);
1858         set_special_folder(ctree, folder->outbox, root, &prev);
1859         set_special_folder(ctree, folder->draft, root, &prev);
1860         set_special_folder(ctree, folder->queue, root, &prev);
1861         set_special_folder(ctree, folder->trash, root, &prev);
1862         gtk_clist_thaw(GTK_CLIST(ctree));
1863 }
1864
1865 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1866 {
1867         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1868         GtkCTreeNode *root;
1869
1870         g_return_if_fail(folder != NULL);
1871
1872         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1873                                       folderview_gnode_func, folderview);
1874         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1875                                 folderview);
1876         folderview_sort_folders(folderview, root, folder);
1877 }
1878
1879 /* callback functions */
1880 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1881                                 GdkEventButton *event)
1882 {
1883         FolderItem *item;
1884         Folder *folder;
1885         FolderViewPopup *fpopup;
1886         GtkItemFactory *fpopup_factory;
1887         GtkWidget *popup;
1888         FolderItem *special_trash = NULL, *special_queue = NULL;
1889         PrefsAccount *ac;
1890
1891         item = folderview_get_selected_item(folderview);
1892
1893         g_return_if_fail(item != NULL);
1894         g_return_if_fail(item->folder != NULL);
1895         folder = item->folder;
1896
1897         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1898         if (fpopup != NULL)
1899                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1900         else {
1901                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1902                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1903         }
1904
1905         if (fpopup->set_sensitivity != NULL)
1906                 fpopup->set_sensitivity(fpopup_factory, item);
1907
1908         if (NULL != (ac = account_find_from_item(item))) {
1909                 special_trash = account_get_special_folder(ac, F_TRASH);
1910                 special_queue = account_get_special_folder(ac, F_QUEUE);
1911         }
1912
1913         if ((item == folder->trash || item == special_trash
1914              || folder_has_parent_of_type(item, F_TRASH)) &&
1915             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1916                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1917                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1918         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1919                 && !folder_has_parent_of_type(item, F_TRASH)) {
1920                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1921                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1922         }
1923
1924         if ((item == folder->queue || item == special_queue
1925              || folder_has_parent_of_type(item, F_QUEUE)) &&
1926             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1927                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1928                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1929         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1930                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1931                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1932                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1933         }
1934
1935 #define SET_SENS(name, sens) \
1936         menu_set_sensitive(fpopup_factory, name, sens)
1937
1938         if ( FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_TYPE(item->folder) == F_IMAP )
1939                 SET_SENS("/Download messages", !item->no_select);
1940
1941         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1942         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1943                  folderview->selected == folderview->opened);
1944         SET_SENS("/Properties...", !item->no_select);
1945
1946         SET_SENS("/Run processing rules", item->prefs->processing &&
1947                  item->total_msgs >= 1 && !item->processing_pending);
1948         SET_SENS("/Processing...", item->node->parent != NULL &&
1949                 !item->no_select && !item->processing_pending);
1950
1951         if (item == folder->trash || item == special_trash
1952             || folder_has_parent_of_type(item, F_TRASH)) {
1953                 GSList *msglist = folder_item_get_msg_list(item);
1954                 SET_SENS("/Empty trash...", msglist != NULL);
1955                 procmsg_msg_list_free(msglist);
1956         }
1957         if (item == folder->queue || item == special_queue
1958             || folder_has_parent_of_type(item, F_QUEUE)) {
1959                 GSList *msglist = folder_item_get_msg_list(item);
1960                 SET_SENS("/Send queue...", msglist != NULL);
1961                 procmsg_msg_list_free(msglist);
1962         }
1963 #undef SET_SENS
1964
1965         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1966         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1967                        event->button, event->time);
1968 }
1969
1970 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1971                                           FolderView *folderview)
1972 {
1973         GtkCList *clist = GTK_CLIST(ctree);
1974         gint prev_row = -1, row = -1, column = -1;
1975
1976         if (!event) return FALSE;
1977
1978         if (event->button == 1 || event->button == 2) {
1979                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1980                         folderview->open_folder = TRUE;
1981
1982                 if (event->type == GDK_2BUTTON_PRESS) {
1983                         if (clist->selection) {
1984                                 GtkCTreeNode *node;
1985
1986                                 node = GTK_CTREE_NODE(clist->selection->data);
1987                                 if (node) {
1988                                         gtk_ctree_toggle_expansion(
1989                                                 GTK_CTREE(ctree),
1990                                                 node);
1991                                         folderview->open_folder = FALSE;
1992                                 }
1993                         }
1994                 }
1995                 return FALSE;
1996         }
1997
1998         if (event->button == 2 || event->button == 3) {
1999                 /* right clicked */
2000                 if (clist->selection) {
2001                         GtkCTreeNode *node;
2002
2003                         node = GTK_CTREE_NODE(clist->selection->data);
2004                         if (node)
2005                                 prev_row = gtkut_ctree_get_nth_from_node
2006                                         (GTK_CTREE(ctree), node);
2007                 }
2008
2009                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
2010                                                   &row, &column))
2011                         return FALSE;
2012                 if (prev_row != row) {
2013                         gtk_clist_unselect_all(clist);
2014                         if (event->button == 2)
2015                                 folderview_select_node
2016                                         (folderview,
2017                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
2018                                                             row));
2019                         else
2020                                 gtk_clist_select_row(clist, row, column);
2021                 }
2022         }
2023
2024         if (event->button != 3) return FALSE;
2025
2026         folderview_set_sens_and_popup_menu(folderview, row, event);
2027         return FALSE;
2028 }
2029
2030 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2031                                            FolderView *folderview)
2032 {
2033         int row = -1, column = -1;
2034
2035         if (!event) return FALSE;
2036
2037         if (!gtk_clist_get_selection_info(GTK_CLIST(ctree), event->x, event->y,
2038                                           &row, &column))
2039                 return FALSE;
2040         if (event->button == 1 && folderview->open_folder == FALSE &&
2041             folderview->opened != NULL) {
2042                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
2043                                           folderview->opened);
2044                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
2045         }
2046
2047         return FALSE;
2048 }
2049
2050 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2051                                        FolderView *folderview)
2052 {
2053         if (!event) return FALSE;
2054
2055         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2056                 return FALSE;
2057
2058         switch (event->keyval) {
2059         case GDK_Right:
2060 #ifndef MAEMO
2061         case GDK_Return:
2062         case GDK_KP_Enter:
2063 #endif
2064                 if (folderview->selected) {
2065                         folderview_select_node(folderview,
2066                                                folderview->selected);
2067                 }
2068                 break;
2069 #ifdef MAEMO
2070         case GDK_Return:
2071                 if (folderview->selected && GTK_CTREE_ROW(folderview->selected)->children) {
2072                         gtk_ctree_toggle_expansion(
2073                                 GTK_CTREE(folderview->ctree),
2074                                 folderview->selected);
2075                 }
2076                 break;
2077 #endif
2078         case GDK_space:
2079                 if (folderview->selected) {
2080                         if (folderview->opened == folderview->selected &&
2081                             (!folderview->summaryview->folder_item ||
2082                              folderview->summaryview->folder_item->total_msgs == 0))
2083                                 folderview_select_next_unread(folderview, TRUE);
2084                         else
2085                                 folderview_select_node(folderview,
2086                                                        folderview->selected);
2087                 }
2088                 break;
2089         default:
2090                 break;
2091         }
2092
2093         return FALSE;
2094 }
2095
2096 typedef struct _PostponedSelectData
2097 {
2098         GtkCTree *ctree;
2099         GtkCTreeNode *row;
2100         gint column;
2101         FolderView *folderview;
2102 } PostponedSelectData;
2103
2104 static gboolean postpone_select(void *data)
2105 {
2106         PostponedSelectData *psdata = (PostponedSelectData *)data;
2107         debug_print("trying again\n");
2108         psdata->folderview->open_folder = TRUE;
2109         main_window_cursor_normal(psdata->folderview->mainwin);
2110         STATUSBAR_POP(psdata->folderview->mainwin);
2111         folderview_selected(psdata->ctree, psdata->row,
2112                             psdata->column, psdata->folderview);
2113         g_free(psdata);
2114         return FALSE;
2115 }
2116
2117 void folderview_close_opened(FolderView *folderview)
2118 {
2119         if (folderview->opened) {
2120                 FolderItem *olditem;
2121
2122                 olditem = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree),
2123                                                       folderview->opened);
2124                 if (olditem) {
2125                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2126                                 olditem->path ? olditem->path:olditem->name);
2127                         /* will be null if we just moved the previously opened folder */
2128                         STATUSBAR_PUSH(folderview->mainwin, buf);
2129                         main_window_cursor_wait(folderview->mainwin);
2130                         g_free(buf);
2131                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2132                         summary_show(folderview->summaryview, NULL);
2133                         folder_item_close(olditem);
2134                         main_window_cursor_normal(folderview->mainwin);
2135                         STATUSBAR_POP(folderview->mainwin);
2136                 }
2137         }
2138
2139         if (folderview->opened &&
2140             !GTK_CTREE_ROW(folderview->opened)->children)
2141                 gtk_ctree_collapse(GTK_CTREE(folderview->ctree), folderview->opened);
2142
2143         folderview->opened = NULL;
2144 }
2145 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2146                                 gint column, FolderView *folderview)
2147 {
2148         static gboolean can_select = TRUE;      /* exclusive lock */
2149         gboolean opened;
2150         FolderItem *item;
2151         gchar *buf;
2152         int res = 0;
2153         GtkCTreeNode *old_opened = folderview->opened;
2154         START_TIMING("");
2155         folderview->selected = row;
2156
2157         debug_print("newly selected %p, opened %p\n", folderview->selected,
2158                         folderview->opened);
2159         if (folderview->opened == row) {
2160                 folderview->open_folder = FALSE;
2161                 END_TIMING();
2162                 return;
2163         }
2164
2165         item = gtk_ctree_node_get_row_data(ctree, row);
2166         if (!item) {
2167                 END_TIMING();
2168                 folderview->open_folder = FALSE;
2169                 return;
2170         }
2171
2172         if (!can_select || summary_is_locked(folderview->summaryview)) {
2173                 if (folderview->opened) {
2174                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2175                         gtk_ctree_select(ctree, folderview->opened);
2176                 }
2177                 folderview->open_folder = FALSE;
2178                 END_TIMING();
2179                 return;
2180         }
2181
2182         if (!folderview->open_folder) {
2183                 END_TIMING();
2184                 return;
2185         }
2186
2187         can_select = FALSE;
2188
2189         /* Save cache for old folder */
2190         /* We don't want to lose all caches if sylpheed crashed */
2191         /* resets folderview->opened to NULL */
2192         folderview_close_opened(folderview);
2193
2194         /* CLAWS: set compose button type: news folder items
2195          * always have a news folder as parent */
2196         if (item->folder)
2197                 toolbar_set_compose_button
2198                         (folderview->mainwin->toolbar,
2199                          FOLDER_TYPE(item->folder) == F_NEWS ?
2200                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2201
2202         if (item->path)
2203                 debug_print("Folder %s is selected\n", item->path);
2204
2205         if (!GTK_CTREE_ROW(row)->children)
2206                 gtk_ctree_expand(ctree, row);
2207
2208         /* ungrab the mouse event */
2209         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2210                 gtk_grab_remove(GTK_WIDGET(ctree));
2211                 if (gdk_pointer_is_grabbed())
2212                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2213         }
2214
2215         /* Open Folder */
2216         /* TODO: wwp: avoid displaying (null) in the status bar */
2217         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2218                                         item->path : "(null)");
2219         debug_print("%s\n", buf);
2220         STATUSBAR_PUSH(folderview->mainwin, buf);
2221         g_free(buf);
2222
2223         main_window_cursor_wait(folderview->mainwin);
2224
2225         if (folderview->scanning_folder == item->folder) {
2226                 res = -2;
2227         } else {
2228                 res = folder_item_open(item);
2229         }
2230
2231         if (res == -1 && item->no_select == FALSE) {
2232                 main_window_cursor_normal(folderview->mainwin);
2233                 STATUSBAR_POP(folderview->mainwin);
2234
2235                 alertpanel_error(_("Folder could not be opened."));
2236
2237                 folderview->open_folder = FALSE;
2238                 can_select = TRUE;
2239                 END_TIMING();
2240                 return;
2241         } else if (res == -2 && item->no_select == FALSE) {
2242                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2243                 data->ctree = ctree;
2244                 data->row = row;
2245                 data->column = column;
2246                 data->folderview = folderview;
2247                 debug_print("postponing open of %s till end of scan\n",
2248                         item->path ? item->path:item->name);
2249                 folderview->open_folder = FALSE;
2250                 can_select = TRUE;
2251                 g_timeout_add(500, postpone_select, data);
2252                 END_TIMING();
2253                 return;
2254         }
2255
2256         main_window_cursor_normal(folderview->mainwin);
2257
2258         /* Show messages */
2259         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2260         opened = summary_show(folderview->summaryview, item);
2261
2262         folder_clean_cache_memory(item);
2263
2264         if (!opened) {
2265                 gtkut_ctree_set_focus_row(ctree, old_opened);
2266                 gtk_ctree_select(ctree, old_opened);
2267                 folderview->opened = old_opened;
2268         } else {
2269                 folderview->opened = row;
2270                 if (gtk_ctree_node_is_visible(ctree, row)
2271                     != GTK_VISIBILITY_FULL)
2272                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2273         }
2274
2275         STATUSBAR_POP(folderview->mainwin);
2276
2277         folderview->open_folder = FALSE;
2278         can_select = TRUE;
2279         END_TIMING();
2280 }
2281
2282 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2283                                      FolderView *folderview)
2284 {
2285         FolderItem *item;
2286
2287         item = gtk_ctree_node_get_row_data(ctree, node);
2288         g_return_if_fail(item != NULL);
2289         item->collapsed = FALSE;
2290         folderview_update_node(folderview, node);
2291 }
2292
2293 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2294                                       FolderView *folderview)
2295 {
2296         FolderItem *item;
2297
2298         item = gtk_ctree_node_get_row_data(ctree, node);
2299         g_return_if_fail(item != NULL);
2300         item->collapsed = TRUE;
2301         folderview_update_node(folderview, node);
2302 }
2303
2304 static void folderview_popup_close(GtkMenuShell *menu_shell,
2305                                    FolderView *folderview)
2306 {
2307         if (!folderview->opened) return;
2308
2309         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2310 }
2311
2312 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2313                                    FolderView *folderview)
2314 {
2315         FolderColumnType type = folderview->col_state[column].type;
2316
2317         prefs_common.folder_col_size[type] = width;
2318 }
2319
2320 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2321 {
2322         GNode *srcnode;
2323
2324         folderview_create_folder_node(folderview, item);
2325
2326         if (!item || !item->folder || !item->folder->node)
2327                 return;
2328
2329         srcnode = item->folder->node;
2330         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2331         srcnode = srcnode->children;
2332         while (srcnode != NULL) {
2333                 if (srcnode && srcnode->data) {
2334                         FolderItem *next_item = (FolderItem*) srcnode->data;
2335                         folderview_create_folder_node_recursive(folderview, next_item);
2336                 }
2337                 srcnode = srcnode->next;
2338         }
2339 }
2340
2341 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2342 {
2343         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2344         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2345         GtkCTreeNode *node, *parent_node;
2346         gint *col_pos = folderview->col_pos;
2347         FolderItemUpdateData hookdata;
2348
2349         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2350         if (parent_node == NULL)
2351                 return;
2352
2353         gtk_clist_freeze(GTK_CLIST(ctree));
2354
2355         text[col_pos[F_COL_FOLDER]] = item->name;
2356         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2357                                      FOLDER_SPACING,
2358                                      folderxpm, folderxpmmask,
2359                                      folderopenxpm, folderopenxpmmask,
2360                                      FALSE, FALSE);
2361         gtk_ctree_expand(ctree, parent_node);
2362         gtk_ctree_node_set_row_data(ctree, node, item);
2363         if (normal_style)
2364                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2365         folderview_sort_folders(folderview, parent_node, item->folder);
2366
2367         hookdata.item = item;
2368         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2369         hookdata.msg = NULL;
2370         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2371
2372         gtk_clist_thaw(GTK_CLIST(ctree));
2373 }
2374
2375 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2376                                       GtkWidget *widget)
2377 {
2378         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2379         FolderItem *item;
2380         GSList *mlist = NULL;
2381         GSList *cur = NULL;
2382         FolderItem *special_trash = NULL;
2383         PrefsAccount *ac;
2384
2385         if (!folderview->selected) return;
2386         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2387         g_return_if_fail(item != NULL);
2388         g_return_if_fail(item->folder != NULL);
2389
2390         if (NULL != (ac = account_find_from_item(item)))
2391                 special_trash = account_get_special_folder(ac, F_TRASH);
2392
2393         if (item != item->folder->trash && item != special_trash
2394         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2395
2396         if (prefs_common.ask_on_clean) {
2397                 if (alertpanel(_("Empty trash"),
2398                                _("Delete all messages in trash?"),
2399                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2400                         return;
2401         }
2402
2403         mlist = folder_item_get_msg_list(item);
2404
2405         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2406                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2407                 if (MSG_IS_LOCKED(msginfo->flags))
2408                         continue;
2409                 /* is it partially received? (partial_recv isn't cached) */
2410                 if (msginfo->total_size != 0 &&
2411                     msginfo->size != (off_t)msginfo->total_size)
2412                         partial_mark_for_delete(msginfo);
2413         }
2414         procmsg_msg_list_free(mlist);
2415
2416         folder_item_remove_all_msg(item);
2417 }
2418
2419 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2420                                       GtkWidget *widget)
2421 {
2422         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2423         FolderItem *item;
2424         FolderItem *special_queue = NULL;
2425         PrefsAccount *ac;
2426         gchar *errstr = NULL;
2427
2428         if (!folderview->selected) return;
2429         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2430         g_return_if_fail(item != NULL);
2431         g_return_if_fail(item->folder != NULL);
2432
2433         if (NULL != (ac = account_find_from_item(item)))
2434                 special_queue = account_get_special_folder(ac, F_QUEUE);
2435
2436         if (item != item->folder->queue && item != special_queue
2437         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2438
2439         if (procmsg_queue_is_empty(item))
2440                 return;
2441
2442         if (prefs_common.work_offline)
2443                 if (alertpanel(_("Offline warning"),
2444                                _("You're working offline. Override?"),
2445                                GTK_STOCK_NO, GTK_STOCK_YES,
2446                                NULL) != G_ALERTALTERNATE)
2447                 return;
2448
2449         /* ask for confirmation before sending queued messages only
2450            in online mode and if there is at least one message queued
2451            in any of the folder queue
2452         */
2453         if (prefs_common.confirm_send_queued_messages) {
2454                 if (!prefs_common.work_offline) {
2455                         if (alertpanel(_("Send queued messages"),
2456                                    _("Send all queued messages?"),
2457                                    GTK_STOCK_CANCEL, _("_Send"),
2458                                    NULL) != G_ALERTALTERNATE)
2459                                 return;
2460                 }
2461         }
2462
2463         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2464                 if (!errstr)
2465                         alertpanel_error_log(_("Some errors occurred while "
2466                                            "sending queued messages."));
2467                 else {
2468                         alertpanel_error_log(_("Some errors occurred "
2469                                         "while sending queued messages:\n%s"), errstr);
2470                         g_free(errstr);
2471                 }
2472         }
2473 }
2474
2475 static void folderview_search_cb(FolderView *folderview, guint action,
2476                                  GtkWidget *widget)
2477 {
2478         summary_search(folderview->summaryview);
2479 }
2480
2481 static void folderview_run_processing_cb(FolderView *folderview, guint action,
2482                                  GtkWidget *widget)
2483 {
2484         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2485         FolderItem *item;
2486
2487         if (!folderview->selected) return;
2488
2489         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2490         g_return_if_fail(item != NULL);
2491         g_return_if_fail(item->folder != NULL);
2492
2493         item->processing_pending = TRUE;
2494         folder_item_apply_processing(item);
2495         item->processing_pending = FALSE;
2496 }
2497
2498 static void folderview_property_cb(FolderView *folderview, guint action,
2499                                    GtkWidget *widget)
2500 {
2501         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2502         FolderItem *item;
2503
2504         if (!folderview->selected) return;
2505
2506         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2507         g_return_if_fail(item != NULL);
2508         g_return_if_fail(item->folder != NULL);
2509
2510         prefs_folder_item_open(item);
2511 }
2512
2513 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2514 {
2515         GSList *list = NULL;
2516         GSList *done = NULL;
2517         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2518
2519         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2520                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2521                 &&  list->data != node) {
2522                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2523                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2524                 }
2525         }
2526         for (list = done; list != NULL; list = g_slist_next(list)) {
2527                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2528                                                                  list->data);
2529         }
2530         g_slist_free(done);
2531 }
2532
2533 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2534                             FolderItem *to_folder, gboolean copy)
2535 {
2536         FolderItem *from_parent = NULL;
2537         FolderItem *new_folder = NULL;
2538         GtkCTreeNode *src_node = NULL;
2539         gchar *buf;
2540         gint status;
2541
2542         g_return_if_fail(folderview != NULL);
2543         g_return_if_fail(from_folder != NULL);
2544         g_return_if_fail(to_folder != NULL);
2545
2546         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2547         from_parent = folder_item_parent(from_folder);
2548
2549         if (prefs_common.warn_dnd) {
2550                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2551                                              _("Do you really want to make folder '%s' a subfolder of '%s' ?"),
2552                                         from_folder->name, to_folder->name);
2553                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2554                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2555                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2556                 g_free(buf);
2557
2558                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2559                         return;
2560                 else if (status & G_ALERTDISABLE)
2561                         prefs_common.warn_dnd = FALSE;
2562         }
2563
2564         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2565                                 from_folder->name, to_folder->name);
2566         STATUSBAR_PUSH(folderview->mainwin, buf);
2567         g_free(buf);
2568         summary_clear_all(folderview->summaryview);
2569         folderview->opened = NULL;
2570         folderview->selected = NULL;
2571         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2572         inc_lock();
2573         main_window_cursor_wait(folderview->mainwin);
2574
2575         statusbar_verbosity_set(FALSE);
2576         folder_item_update_freeze();
2577         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2578                 statusbar_verbosity_set(FALSE);
2579                 main_window_cursor_normal(folderview->mainwin);
2580                 STATUSBAR_POP(folderview->mainwin);
2581                 folder_item_update_thaw();
2582                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2583
2584                 folderview_sort_folders(folderview,
2585                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2586                                 NULL, to_folder), new_folder->folder);
2587                 folderview_select(folderview, new_folder);
2588         } else {
2589                 statusbar_verbosity_set(FALSE);
2590                 main_window_cursor_normal(folderview->mainwin);
2591                 STATUSBAR_POP(folderview->mainwin);
2592                 folder_item_update_thaw();
2593                 switch (status) {
2594                 case F_MOVE_FAILED_DEST_IS_PARENT:
2595                         alertpanel_error(_("Source and destination are the same."));
2596                         break;
2597                 case F_MOVE_FAILED_DEST_IS_CHILD:
2598                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2599                                                 _("Can't move a folder to one of its children."));
2600                         break;
2601                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2602                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2603                         break;
2604                 default:
2605                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2606                         break;
2607                 }
2608         }
2609         inc_unlock();
2610         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2611 }
2612
2613 static gint folderview_clist_compare(GtkCList *clist,
2614                                      gconstpointer ptr1, gconstpointer ptr2)
2615 {
2616         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2617         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2618
2619         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2620         {
2621                 return item1->order - item2->order;
2622         }
2623
2624         // if only one folder has an order it comes first
2625         if (item1->order > 0)
2626         {
2627                 return -1;
2628         }
2629         if (item2->order > 0)
2630         {
2631                 return 1;
2632         }
2633
2634         if (!item1->name)
2635                 return (item2->name != NULL);
2636         if (!item2->name)
2637                 return -1;
2638
2639         return g_utf8_collate(item1->name, item2->name);
2640 }
2641
2642 static void folderview_processing_cb(FolderView *folderview, guint action,
2643                                      GtkWidget *widget)
2644 {
2645         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2646         FolderItem *item;
2647         gchar *id, *title;
2648
2649         if (!folderview->selected) return;
2650
2651         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2652         g_return_if_fail(item != NULL);
2653         g_return_if_fail(item->folder != NULL);
2654
2655         id = folder_item_get_identifier(item);
2656         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2657         g_free (id);
2658
2659         prefs_filtering_open(&item->prefs->processing, title,
2660                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2661         g_free (title);
2662 }
2663
2664 void folderview_set_target_folder_color(gint color_op)
2665 {
2666         gint firstone = 1;
2667         GList *list;
2668         FolderView *folderview;
2669
2670         for (list = folderview_list; list != NULL; list = list->next) {
2671                 folderview = (FolderView *)list->data;
2672                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2673                 if (firstone) {
2674                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2675                                 folderview->color_op;
2676                         firstone = 0;
2677                 }
2678         }
2679 }
2680
2681 static gchar *last_font = NULL;
2682 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2683 {
2684         /* force reinit */
2685         g_free(last_font);
2686         last_font = NULL;
2687
2688 }
2689
2690 void folderview_reflect_prefs(void)
2691 {
2692         gboolean update_font = TRUE;
2693         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2694         FolderItem *item = folderview_get_selected_item(folderview);
2695         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2696                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2697         gint height = pos->value;
2698
2699         if (last_font && !strcmp(last_font, NORMAL_FONT))
2700                 update_font = FALSE;
2701
2702         g_free(last_font);
2703         last_font = g_strdup(NORMAL_FONT);
2704
2705         if (update_font) {
2706                 normal_style = normal_color_style = bold_style =
2707                         bold_color_style = bold_tgtfold_style = NULL;
2708
2709                 folderview_init(folderview);
2710         }
2711         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2712         folderview_column_set_titles(folderview);
2713         folderview_set_all();
2714
2715         g_signal_handlers_block_by_func
2716                 (G_OBJECT(folderview->ctree),
2717                  G_CALLBACK(folderview_selected), folderview);
2718
2719         if (item) {
2720                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2721                         GTK_CTREE(folderview->ctree), NULL, item);
2722
2723                 folderview_select(folderview, item);
2724                 folderview->open_folder = FALSE;
2725                 folderview->selected = node;
2726         }
2727
2728         g_signal_handlers_unblock_by_func
2729                 (G_OBJECT(folderview->ctree),
2730                  G_CALLBACK(folderview_selected), folderview);
2731
2732         pos = gtk_scrolled_window_get_vadjustment(
2733                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2734         gtk_adjustment_set_value(pos, height);
2735         gtk_adjustment_changed(pos);
2736         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2737 }
2738
2739 static void drag_state_stop(FolderView *folderview)
2740 {
2741         if (folderview->drag_timer)
2742                 g_source_remove(folderview->drag_timer);
2743         folderview->drag_timer = 0;
2744         folderview->drag_node = NULL;
2745 }
2746
2747 static gint folderview_defer_expand(FolderView *folderview)
2748 {
2749         if (folderview->drag_node) {
2750                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2751                 if (folderview->drag_item->collapsed) {
2752                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2753                         folderview->nodes_to_recollapse = g_slist_append
2754                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2755                 }
2756         }
2757         folderview->drag_item  = NULL;
2758         folderview->drag_timer = 0;
2759         return FALSE;
2760 }
2761
2762 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2763 {
2764         /* the idea is that we call drag_state_start() whenever we want expansion to
2765          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2766          * we need to call drag_state_stop() */
2767         drag_state_stop(folderview);
2768         /* request expansion */
2769         if (0 != (folderview->drag_timer = g_timeout_add
2770                         (prefs_common.hover_timeout,
2771                          (GtkFunction)folderview_defer_expand,
2772                          folderview))) {
2773                 folderview->drag_node = node;
2774                 folderview->drag_item = item;
2775         }
2776 }
2777 #ifndef MAEMO
2778 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2779                                   FolderView       *folderview)
2780 {
2781         GdkDragContext *context;
2782
2783         g_return_if_fail(folderview != NULL);
2784         if (folderview->selected == NULL) return;
2785         if (folderview->nodes_to_recollapse)
2786                 g_slist_free(folderview->nodes_to_recollapse);
2787         folderview->nodes_to_recollapse = NULL;
2788         context = gtk_drag_begin(widget, folderview->target_list,
2789                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2790         gtk_drag_set_icon_default(context);
2791 }
2792 #endif
2793 static void folderview_drag_data_get(GtkWidget        *widget,
2794                                      GdkDragContext   *drag_context,
2795                                      GtkSelectionData *selection_data,
2796                                      guint             info,
2797                                      guint             time,
2798                                      FolderView       *folderview)
2799 {
2800         FolderItem *item;
2801         GList *cur;
2802         gchar *source = NULL;
2803         if (info == TARGET_DUMMY) {
2804                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2805                      cur != NULL; cur = cur->next) {
2806                         item = gtk_ctree_node_get_row_data
2807                                 (GTK_CTREE(folderview->ctree),
2808                                  GTK_CTREE_NODE(cur->data));
2809                         if (item) {
2810                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2811                                 gtk_selection_data_set(selection_data,
2812                                                        selection_data->target, 8,
2813                                                        source, strlen(source));
2814                                 break;
2815                         } else
2816                                 return;
2817                 }
2818         } else {
2819                 g_warning("unknown info %d\n", info);
2820         }
2821 }
2822
2823 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2824 {
2825         FolderUpdateData *hookdata;
2826         FolderView *folderview;
2827         GtkWidget *ctree;
2828
2829         hookdata = source;
2830         folderview = (FolderView *) userdata;
2831         g_return_val_if_fail(hookdata != NULL, FALSE);
2832         g_return_val_if_fail(folderview != NULL, FALSE);
2833
2834         ctree = folderview->ctree;
2835         g_return_val_if_fail(ctree != NULL, FALSE);
2836
2837         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2838                 folderview_create_folder_node(folderview, hookdata->item);
2839         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2840                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2841                                 NULL, folder_item_parent(hookdata->item));
2842                 folderview_sort_folders(folderview, node, hookdata->folder);
2843         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2844                 GtkCTreeNode *node;
2845
2846                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2847                 if (node != NULL) {
2848                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2849                         if (folderview->selected == node)
2850                                 folderview->selected = NULL;
2851                         if (folderview->opened == node)
2852                                 folderview->opened = NULL;
2853                 }
2854         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2855                 folderview_set(folderview);
2856
2857         return FALSE;
2858 }
2859
2860 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2861                                           GdkDragContext *context,
2862                                           gint            x,
2863                                           gint            y,
2864                                           guint           time,
2865                                           FolderView     *folderview)
2866 {
2867         gint row, column;
2868         FolderItem *item = NULL, *src_item = NULL;
2869         GtkCTreeNode *node = NULL;
2870         gboolean acceptable = FALSE;
2871         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2872                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2873         int height = (int)pos->page_size;
2874         int total_height = (int)pos->upper;
2875         int vpos = (int) pos->value;
2876         int offset = prefs_common.show_col_headers ? 24:0;
2877
2878         if (gtk_clist_get_selection_info
2879                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column)) {
2880                 GtkWidget *srcwidget;
2881
2882                 if (y > height - 24 && height + vpos < total_height) {
2883                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2884                         gtk_adjustment_changed(pos);
2885                 }
2886                 if (y < 48 && y > 0) {
2887                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2888                         gtk_adjustment_changed(pos);
2889                 }
2890
2891                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2892                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2893                 src_item = folderview->summaryview->folder_item;
2894
2895                 srcwidget = gtk_drag_get_source_widget(context);
2896                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2897                         /* comes from summaryview */
2898                         /* we are copying messages, so only accept folder items that are not
2899                            the source item, are no root items and can copy messages */
2900                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2901                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2902                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2903                                 acceptable = TRUE;
2904                 } else if (srcwidget == folderview->ctree) {
2905                         /* comes from folderview */
2906                         /* we are moving folder items, only accept folders that are not
2907                            the source items and can copy messages and create folder items */
2908                         if (item && item->folder && src_item && src_item != item &&
2909                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2910                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2911                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2912                              || item->folder == src_item->folder))
2913                                 acceptable = TRUE;
2914                 } else {
2915                         /* comes from another app */
2916                         /* we are adding messages, so only accept folder items that are
2917                            no root items and can copy messages */
2918                         if (item && item->folder && folder_item_parent(item) != NULL
2919                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2920                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2921                                 acceptable = TRUE;
2922                 }
2923         }
2924
2925         if (acceptable || (src_item && src_item == item))
2926                 drag_state_start(folderview, node, item);
2927
2928         if (acceptable) {
2929                 g_signal_handlers_block_by_func
2930                         (G_OBJECT(widget),
2931                          G_CALLBACK(folderview_selected), folderview);
2932                 gtk_ctree_select(GTK_CTREE(widget), node);
2933                 g_signal_handlers_unblock_by_func
2934                         (G_OBJECT(widget),
2935                          G_CALLBACK(folderview_selected), folderview);
2936                 gdk_drag_status(context,
2937                                         (context->actions == GDK_ACTION_COPY ?
2938                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2939         } else {
2940                 if (folderview->opened)
2941                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2942                 gdk_drag_status(context, 0, time);
2943         }
2944
2945         return acceptable;
2946 }
2947
2948 static void folderview_drag_leave_cb(GtkWidget      *widget,
2949                                      GdkDragContext *context,
2950                                      guint           time,
2951                                      FolderView     *folderview)
2952 {
2953         drag_state_stop(folderview);
2954         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2955 }
2956
2957 static void free_info (gpointer stuff, gpointer data)
2958 {
2959         g_free(stuff);
2960 }
2961
2962 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2963                            guint time, FolderItem *item)
2964 {
2965         GList *list, *tmp;
2966         GSList *msglist = NULL;
2967         list = uri_list_extract_filenames(data);
2968         if (!(item && item->folder && folder_item_parent(item) != NULL
2969                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2970         {
2971                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2972                 debug_print("item doesn't fit\n");
2973                 return;
2974         }
2975         if (!list) {
2976                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2977                 debug_print("list is empty\n");
2978                 return;
2979         }
2980         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2981                 MsgFileInfo *info = NULL;
2982
2983                 if (file_is_email((gchar *)tmp->data)) {
2984                         info = g_new0(MsgFileInfo, 1);
2985                         info->msginfo = NULL;
2986                         info->file = (gchar *)tmp->data;
2987                         msglist = g_slist_prepend(msglist, info);
2988                         debug_print("file is a mail\n");
2989                 } else {
2990                         debug_print("file isn't a mail\n");
2991                 }
2992         }
2993         if (msglist) {
2994                 msglist = g_slist_reverse(msglist);
2995                 folder_item_add_msgs(item, msglist, FALSE);
2996                 g_slist_foreach(msglist, free_info, NULL);
2997                 g_slist_free(msglist);
2998                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2999         } else {
3000                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3001         }
3002         list_free_strings(list);
3003         g_list_free(list);
3004 }
3005
3006 static void folderview_drag_received_cb(GtkWidget        *widget,
3007                                         GdkDragContext   *drag_context,
3008                                         gint              x,
3009                                         gint              y,
3010                                         GtkSelectionData *data,
3011                                         guint             info,
3012                                         guint             time,
3013                                         FolderView       *folderview)
3014 {
3015         gint row, column;
3016         FolderItem *item = NULL, *src_item;
3017         GtkCTreeNode *node;
3018         int offset = prefs_common.show_col_headers ? 24:0;
3019
3020         if (info == TARGET_DUMMY) {
3021                 drag_state_stop(folderview);
3022                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
3023                         /* comes from summaryview */
3024                         if (gtk_clist_get_selection_info
3025                                 (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3026                                 return;
3027
3028                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3029                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3030                         src_item = folderview->summaryview->folder_item;
3031
3032                         if (item->no_select) {
3033                                 alertpanel_error(_("The destination folder can only be used to "
3034                                                    "store subfolders."));
3035                                 return;
3036                         }
3037                         /* re-check (due to acceptable possibly set for folder moves */
3038                         if (!(item && item->folder && item->path && !item->no_select &&
3039                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3040                                 return;
3041                         }
3042                         if (item && src_item) {
3043                                 switch (drag_context->action) {
3044                                 case GDK_ACTION_COPY:
3045                                         summary_copy_selected_to(folderview->summaryview, item);
3046                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3047                                         break;
3048                                 case GDK_ACTION_MOVE:
3049                                 case GDK_ACTION_DEFAULT:
3050                                 default:
3051                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3052                                                 summary_copy_selected_to(folderview->summaryview, item);
3053                                         else
3054                                                 summary_move_selected_to(folderview->summaryview, item);
3055                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3056                                 }
3057                         } else
3058                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3059                 } else {
3060                         /* comes from folderview */
3061                         char *source;
3062                         gboolean folder_is_normal = TRUE;
3063                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
3064
3065                         source = data->data + 17;
3066                         if (gtk_clist_get_selection_info
3067                             (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0
3068                             || *source == 0) {
3069                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3070                                 return;
3071                         }
3072                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3073                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3074                         src_item = folder_find_item_from_identifier(source);
3075
3076                         folder_is_normal =
3077                                 src_item != NULL &&
3078                                 src_item->stype == F_NORMAL &&
3079                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3080                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3081                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3082                                 !folder_has_parent_of_type(src_item, F_TRASH);
3083                         if (!item || !src_item || !folder_is_normal) {
3084                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3085                                 return;
3086                         }
3087
3088                         folderview_move_folder(folderview, src_item, item, copy);
3089                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3090                 }
3091                 folderview->nodes_to_recollapse = NULL;
3092         } else if (info == TARGET_MAIL_URI_LIST) {
3093                 if (gtk_clist_get_selection_info
3094                         (GTK_CLIST(widget), x - offset, y - offset, &row, &column) == 0)
3095                         return;
3096
3097                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3098                 if (!node) {
3099                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3100                         debug_print("no node\n");
3101                         return;
3102                 }
3103                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3104                 if (!item) {
3105                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3106                         debug_print("no item\n");
3107                         return;
3108                 }
3109                 folderview_finish_dnd(data->data, drag_context, time, item);
3110         }
3111 }
3112
3113 static void folderview_drag_end_cb(GtkWidget        *widget,
3114                                    GdkDragContext   *drag_context,
3115                                    FolderView       *folderview)
3116 {
3117         drag_state_stop(folderview);
3118         g_slist_free(folderview->nodes_to_recollapse);
3119         folderview->nodes_to_recollapse = NULL;
3120 }
3121
3122 void folderview_register_popup(FolderViewPopup *fpopup)
3123 {
3124         GList *folderviews;
3125
3126         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3127                 FolderView *folderview = folderviews->data;
3128                 GtkItemFactory *factory;
3129
3130                 factory = create_ifactory(folderview, fpopup);
3131                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3132         }
3133         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3134 }
3135
3136 void folderview_unregister_popup(FolderViewPopup *fpopup)
3137 {
3138         GList *folderviews;
3139
3140         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3141                 FolderView *folderview = folderviews->data;
3142
3143                 g_hash_table_remove(folderview->popups, fpopup->klass);
3144         }
3145         g_hash_table_remove(folderview_popups, fpopup->klass);
3146 }