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