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 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71 #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         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 479         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 480                                            GTK_JUSTIFY_RIGHT);
 481         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 482                                            col_pos[F_COL_UNREAD],
 483                                            GTK_JUSTIFY_RIGHT);
 484         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 485                                            col_pos[F_COL_TOTAL],
 486                                            GTK_JUSTIFY_RIGHT);
 487         if (prefs_common.enable_dotted_lines) {
 488                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 489                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 490                                      GTK_CTREE_EXPANDER_SQUARE);
 491         } else {
 492                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 493                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 494                                      GTK_CTREE_EXPANDER_TRIANGLE);
 495         }
 496
 497         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 498         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 499
 500         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 501         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 502
 503         /* don't let title buttons take key focus */
 504         for (i = 0; i < N_FOLDER_COLS; i++) {
 505                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 506                                        GTK_CAN_FOCUS);
 507                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 508                                    prefs_common.folder_col_size[i]);
 509                 gtk_clist_set_column_visibility
 510                         (GTK_CLIST(ctree), i, col_state[i].visible);
 511         }
 512
 513         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 514                          G_CALLBACK(folderview_key_pressed),
 515                          folderview);
 516         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 517                          G_CALLBACK(folderview_button_pressed),
 518                          folderview);
 519         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 520                          G_CALLBACK(folderview_popup_menu), folderview);
 521         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 522                          G_CALLBACK(folderview_button_released),
 523                          folderview);
 524         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 525                          G_CALLBACK(folderview_selected), folderview);
 526         g_signal_connect(G_OBJECT(ctree), "start_drag",
 527                          G_CALLBACK(folderview_start_drag), folderview);
 528         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 529                          G_CALLBACK(folderview_drag_data_get),
 530                          folderview);
 531
 532         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 533                                G_CALLBACK(folderview_tree_expanded),
 534                                folderview);
 535         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 536                                G_CALLBACK(folderview_tree_collapsed),
 537                                folderview);
 538
 539         g_signal_connect(G_OBJECT(ctree), "resize_column",
 540                          G_CALLBACK(folderview_col_resized),
 541                          folderview);
 542
 543         /* drop callback */
 544         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 545                           folderview_drag_types, 2,
 546                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 547         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 548                          G_CALLBACK(folderview_drag_motion_cb),
 549                          folderview);
 550         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 551                          G_CALLBACK(folderview_drag_leave_cb),
 552                          folderview);
 553         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 554                          G_CALLBACK(folderview_drag_received_cb),
 555                          folderview);
 556         g_signal_connect(G_OBJECT(ctree), "drag_end",
 557                          G_CALLBACK(folderview_drag_end_cb),
 558                          folderview);
 559
 560         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 561
 562         return ctree;
 563 }
 564
 565 void folderview_set_column_order(FolderView *folderview)
 566 {
 567         GtkWidget *ctree;
 568         FolderItem *item = folderview_get_selected_item(folderview);
 569         GtkWidget *scrolledwin = folderview->scrolledwin;
 570
 571         debug_print("recreating tree...\n");
 572         gtk_widget_destroy(folderview->ctree);
 573
 574         folderview->ctree = ctree = folderview_ctree_create(folderview);
 575         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 576                                             GTK_CLIST(ctree)->hadjustment);
 577         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 578                                             GTK_CLIST(ctree)->vadjustment);
 579         gtk_widget_show(ctree);
 580
 581         folderview_set(folderview);
 582         folderview_column_set_titles(folderview);
 583
 584         folderview_select(folderview,item);
 585 }
 586
 587 FolderView *folderview_create(void)
 588 {
 589         FolderView *folderview;
 590         GtkWidget *scrolledwin;
 591         GtkWidget *ctree;
 592
 593         debug_print("Creating folder view...\n");
 594         folderview = g_new0(FolderView, 1);
 595
 596         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 597         gtk_scrolled_window_set_policy
 598                 (GTK_SCROLLED_WINDOW(scrolledwin),
 599                  GTK_POLICY_AUTOMATIC,
 600                  prefs_common.folderview_vscrollbar_policy);
 601         gtk_widget_set_size_request(scrolledwin,
 602                              prefs_common.folderview_width,
 603                              prefs_common.folderview_height);
 604
 605         folderview->scrolledwin  = scrolledwin;
 606         ctree = folderview_ctree_create(folderview);
 607
 608         /* create popup factories */
 609         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 610         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 611
 612         folderview->ctree        = ctree;
 613
 614         folderview->folder_update_callback_id =
 615                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 616         folderview->folder_item_update_callback_id =
 617                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 618
 619         gtk_widget_show_all(scrolledwin);
 620
 621         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 622         folderview_list = g_list_append(folderview_list, folderview);
 623         folderview->deferred_refresh_id = -1;
 624
 625         return folderview;
 626 }
 627
 628 void folderview_init(FolderView *folderview)
 629 {
 630         GtkWidget *ctree = folderview->ctree;
 631         GdkColor gdk_color;
 632
 633         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 634         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 635         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 636         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 637         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 638         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 639         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 640         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 641         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 642         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 643         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 644         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 645         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 646         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 647         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 648         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 649         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 650         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 651         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 652         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 653         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 654         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 655         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 656
 657         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 658         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 659         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 660         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 661         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 662         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 663         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 664         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 679
 680         if (!normal_style) {
 681                 PangoFontDescription *font_desc;
 682                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 683                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 684                 if (font_desc) {
 685                         if (normal_style->font_desc)
 686                                 pango_font_description_free
 687                                         (normal_style->font_desc);
 688                         normal_style->font_desc = font_desc;
 689                 }
 690                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 691                 normal_color_style = gtk_style_copy(normal_style);
 692                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 693
 694                 gtk_widget_set_style(ctree, normal_style);
 695         }
 696
 697         if (!bold_style) {
 698                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 699                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 700                 pango_font_description_set_weight
 701                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 702                 bold_color_style = gtk_style_copy(bold_style);
 703                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 704
 705                 bold_tgtfold_style = gtk_style_copy(bold_style);
 706                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 707         }
 708 }
 709
 710 static gboolean folderview_defer_set(gpointer data)
 711 {
 712         FolderView *folderview = (FolderView *)data;
 713         MainWindow *mainwin = folderview->mainwin;
 714
 715         if (!mainwin)
 716                 return FALSE;
 717         if (mainwin->lock_count)
 718                 return TRUE;
 719
 720         printf("doing deferred folderview_set now\n");
 721         folderview_set(folderview);
 722
 723         folderview->deferred_refresh_id = -1;
 724         return FALSE;
 725 }
 726
 727 void folderview_set(FolderView *folderview)
 728 {
 729         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 730         MainWindow *mainwin = folderview->mainwin;
 731         FolderItem *sel_item = NULL, *op_item = NULL;
 732
 733         if (!mainwin)
 734                 return;
 735
 736         if (mainwin->lock_count) {
 737                 if (folderview->deferred_refresh_id == -1)
 738                         folderview->deferred_refresh_id =
 739                                 g_timeout_add(500, folderview_defer_set, folderview);
 740                 printf("deferred folderview_set\n");
 741                 return;
 742         }
 743
 744         inc_lock();
 745         debug_print("Setting folder info...\n");
 746         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 747
 748         main_window_cursor_wait(mainwin);
 749
 750         if (folderview->selected)
 751                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 752         if (folderview->opened)
 753                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 754
 755         folderview->selected = NULL;
 756         folderview->opened = NULL;
 757
 758         gtk_clist_freeze(GTK_CLIST(ctree));
 759         gtk_clist_clear(GTK_CLIST(ctree));
 760
 761         folderview_set_folders(folderview);
 762
 763         if (sel_item)
 764                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 765         if (op_item)
 766                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 767
 768         gtk_clist_thaw(GTK_CLIST(ctree));
 769         main_window_cursor_normal(mainwin);
 770         STATUSBAR_POP(mainwin);
 771         inc_unlock();
 772 }
 773
 774 void folderview_set_all(void)
 775 {
 776         GList *list;
 777
 778         for (list = folderview_list; list != NULL; list = list->next)
 779                 folderview_set((FolderView *)list->data);
 780 }
 781
 782 void folderview_select(FolderView *folderview, FolderItem *item)
 783 {
 784         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 785         GtkCTreeNode *node;
 786         GtkCTreeNode *old_selected = folderview->selected;
 787
 788         if (!item) return;
 789
 790         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 791         if (node) folderview_select_node(folderview, node);
 792
 793         if (old_selected != node)
 794                 folder_update_op_count();
 795 }
 796
 797 static void mark_all_read_cb(FolderView *folderview, guint action,
 798                              GtkWidget *widget)
 799 {
 800         FolderItem *item;
 801         AlertValue val;
 802
 803         item = folderview_get_selected_item(folderview);
 804         if (item == NULL)
 805                 return;
 806
 807         if (folderview->summaryview->folder_item != item
 808         &&  prefs_common.ask_mark_all_read) {
 809                 val = alertpanel_full(_("Mark all as read"),
 810                         _("Do you really want to mark all mails in this "
 811                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 812                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 813
 814                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 815                         return;
 816                 else if (val & G_ALERTDISABLE)
 817                         prefs_common.ask_mark_all_read = FALSE;
 818         }
 819
 820         summary_lock(folderview->summaryview);
 821         folder_item_update_freeze();
 822         if (folderview->summaryview->folder_item == item)
 823                 summary_freeze(folderview->summaryview);
 824         folderutils_mark_all_read(item);
 825         if (folderview->summaryview->folder_item == item)
 826                 summary_thaw(folderview->summaryview);
 827         folder_item_update_thaw();
 828         summary_unlock(folderview->summaryview);
 829 }
 830
 831 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 832 {
 833         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 834
 835         g_return_if_fail(node != NULL);
 836
 837         if (folderview->open_folder) {
 838                 return;
 839         }
 840
 841         folderview->open_folder = TRUE;
 842         gtkut_ctree_set_focus_row(ctree, node);
 843         gtk_ctree_select(ctree, node);
 844         if (folderview->summaryview->folder_item &&
 845             folderview->summaryview->folder_item->total_msgs > 0)
 846                 summary_grab_focus(folderview->summaryview);
 847         else
 848                 gtk_widget_grab_focus(folderview->ctree);
 849
 850         gtkut_ctree_expand_parent_all(ctree, node);
 851 }
 852
 853 void folderview_unselect(FolderView *folderview)
 854 {
 855         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 856                 gtk_ctree_collapse
 857                         (GTK_CTREE(folderview->ctree), folderview->opened);
 858
 859         folderview->selected = folderview->opened = NULL;
 860 }
 861
 862 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 863                                                  GtkCTreeNode *node)
 864 {
 865         FolderItem *item;
 866
 867         if (node)
 868                 node = gtkut_ctree_node_next(ctree, node);
 869         else
 870                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 871
 872         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 873                 item = gtk_ctree_node_get_row_data(ctree, node);
 874                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 875                         return node;
 876         }
 877
 878         return NULL;
 879 }
 880
 881 void folderview_select_next_marked(FolderView *folderview)
 882 {
 883         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 884         GtkCTreeNode *node = NULL;
 885         SelectOnEntry last_sel = prefs_common.select_on_entry;
 886         gboolean last_open = prefs_common.always_show_msg;
 887
 888         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 889         prefs_common.always_show_msg = TRUE;
 890
 891         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 892             != NULL) {
 893                 folderview_select_node(folderview, node);
 894                 goto out;
 895         }
 896
 897         if (!folderview->opened ||
 898             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 899                 goto out;
 900         }
 901         /* search again from the first node */
 902         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 903                 folderview_select_node(folderview, node);
 904
 905 out:
 906         prefs_common.select_on_entry = last_sel;
 907         prefs_common.always_show_msg = last_open;
 908 }
 909
 910 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 911                                                  GtkCTreeNode *node)
 912 {
 913         FolderItem *item;
 914
 915         if (node)
 916                 node = gtkut_ctree_node_next(ctree, node);
 917         else
 918                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 919
 920         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 921                 item = gtk_ctree_node_get_row_data(ctree, node);
 922                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 923                         return node;
 924         }
 925
 926         return NULL;
 927 }
 928
 929 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 930 {
 931         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 932         GtkCTreeNode *node = NULL;
 933         SelectOnEntry last_sel = prefs_common.select_on_entry;
 934         gboolean last_open = prefs_common.always_show_msg;
 935
 936         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 937         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 938
 939         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 940             != NULL) {
 941                 folderview_select_node(folderview, node);
 942                 goto out;
 943         }
 944
 945         if (!folderview->opened ||
 946             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 947                 goto out;
 948         }
 949         /* search again from the first node */
 950         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 951                 folderview_select_node(folderview, node);
 952
 953 out:
 954         prefs_common.select_on_entry = last_sel;
 955         prefs_common.always_show_msg = last_open;
 956 }
 957
 958 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 959                                                  GtkCTreeNode *node)
 960 {
 961         FolderItem *item;
 962
 963         if (node)
 964                 node = gtkut_ctree_node_next(ctree, node);
 965         else
 966                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 967
 968         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 969                 item = gtk_ctree_node_get_row_data(ctree, node);
 970                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 971                         return node;
 972         }
 973
 974         return NULL;
 975 }
 976
 977 void folderview_select_next_new(FolderView *folderview)
 978 {
 979         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 980         GtkCTreeNode *node = NULL;
 981         SelectOnEntry last_sel = prefs_common.select_on_entry;
 982         gboolean last_open = prefs_common.always_show_msg;
 983
 984         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 985         prefs_common.always_show_msg = TRUE;
 986
 987         if ((node = folderview_find_next_new(ctree, folderview->opened))
 988             != NULL) {
 989                 folderview_select_node(folderview, node);
 990                 goto out;
 991         }
 992
 993         if (!folderview->opened ||
 994             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 995                 goto out;
 996         }
 997         /* search again from the first node */
 998         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 999                 folderview_select_node(folderview, node);
1000
1001 out:
1002         prefs_common.select_on_entry = last_sel;
1003         prefs_common.always_show_msg = last_open;
1004 }
1005
1006 FolderItem *folderview_get_selected_item(FolderView *folderview)
1007 {
1008         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1009
1010         if (!folderview->selected) return NULL;
1011         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1012 }
1013
1014 static void folderview_set_folders(FolderView *folderview)
1015 {
1016         GList *list;
1017         list = folder_get_list();
1018
1019         for (; list != NULL; list = list->next) {
1020                 folderview_append_folder(folderview, FOLDER(list->data));
1021         }
1022 }
1023
1024 static gchar *get_scan_str(FolderItem *item)
1025 {
1026         if (item->path)
1027                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1028                                       item->folder->name, G_DIR_SEPARATOR,
1029                                       item->path);
1030         else
1031                 return g_strdup_printf(_("Scanning folder %s ..."),
1032                                       item->folder->name);
1033 }
1034 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1035                                       gpointer data)
1036 {
1037         GList *list;
1038         for (list = folderview_list; list != NULL; list = list->next) {
1039                 FolderView *folderview = (FolderView *)list->data;
1040                 MainWindow *mainwin = folderview->mainwin;
1041                 gchar *str = get_scan_str(item);
1042
1043                 STATUSBAR_PUSH(mainwin, str);
1044                 STATUSBAR_POP(mainwin);
1045                 g_free(str);
1046         }
1047 }
1048
1049 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1050 {
1051         GtkWidget *window;
1052         MainWindow *mainwin = mainwindow_get_mainwindow();
1053         FolderView *folderview = NULL;
1054         GtkAdjustment *pos = NULL;
1055         gint height = 0;
1056
1057         g_return_if_fail(folder != NULL);
1058
1059         if (!folder->klass->scan_tree) return;
1060
1061         if (rebuild &&
1062             alertpanel_full(_("Rebuild folder tree"),
1063                          _("Rebuilding the folder tree will remove "
1064                            "local caches. Do you want to continue?"),
1065                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1066                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1067                 != G_ALERTALTERNATE) {
1068                 return;
1069         }
1070
1071         inc_lock();
1072         if (rebuild)
1073                 window = label_window_create(_("Rebuilding folder tree..."));
1074         else
1075                 window = label_window_create(_("Scanning folder tree..."));
1076
1077         if (mainwin)
1078                 folderview = mainwin->folderview;
1079
1080         if (folderview) {
1081                 pos = gtk_scrolled_window_get_vadjustment(
1082                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1083                 height = pos->value;
1084         }
1085
1086         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1087         folder_scan_tree(folder, rebuild);
1088         folder_set_ui_func(folder, NULL, NULL);
1089
1090         folderview_set_all();
1091
1092         if (folderview) {
1093                 pos = gtk_scrolled_window_get_vadjustment(
1094                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1095                 gtk_adjustment_set_value(pos, height);
1096         }
1097         gtk_widget_destroy(window);
1098         inc_unlock();
1099 }
1100
1101 void folderview_fast_rescan_tree(Folder *folder)
1102 {
1103         GtkWidget *window;
1104         MainWindow *mainwin = mainwindow_get_mainwindow();
1105         FolderView *folderview = NULL;
1106         GtkAdjustment *pos = NULL;
1107         gint height = 0;
1108
1109         g_return_if_fail(folder != NULL);
1110
1111         if (!folder->klass->scan_tree) return;
1112
1113         inc_lock();
1114
1115         window = label_window_create(_("Scanning folder tree..."));
1116
1117         if (mainwin)
1118                 folderview = mainwin->folderview;
1119
1120         if (folderview) {
1121                 pos = gtk_scrolled_window_get_vadjustment(
1122                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1123                 height = pos->value;
1124         }
1125
1126         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1127         folder_fast_scan_tree(folder);
1128         folder_set_ui_func(folder, NULL, NULL);
1129
1130         folderview_set_all();
1131
1132         if (folderview) {
1133                 pos = gtk_scrolled_window_get_vadjustment(
1134                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1135                 gtk_adjustment_set_value(pos, height);
1136         }
1137         gtk_widget_destroy(window);
1138         inc_unlock();
1139 }
1140
1141 /** folderview_check_new()
1142  *  Scan and update the folder and return the
1143  *  count the number of new messages since last check.
1144  *  \param folder the folder to check for new messages
1145  *  \return the number of new messages since last check
1146  */
1147 gint folderview_check_new(Folder *folder)
1148 {
1149         GList *list;
1150         FolderItem *item;
1151         FolderView *folderview;
1152         GtkCTree *ctree;
1153         GtkCTreeNode *node;
1154         gint new_msgs = 0;
1155         gint former_new_msgs = 0;
1156         gint former_new = 0, former_unread = 0, former_total;
1157
1158         for (list = folderview_list; list != NULL; list = list->next) {
1159                 folderview = (FolderView *)list->data;
1160                 ctree = GTK_CTREE(folderview->ctree);
1161
1162                 inc_lock();
1163                 main_window_lock(folderview->mainwin);
1164
1165                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1166                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1167                         gchar *str = NULL;
1168                         item = gtk_ctree_node_get_row_data(ctree, node);
1169                         if (!item || !item->path || !item->folder) continue;
1170                         if (item->no_select) continue;
1171                         if (folder && folder != item->folder) continue;
1172                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1173                         if (!item->prefs->newmailcheck) continue;
1174                         if (item->processing_pending == TRUE) {
1175                                 debug_print("skipping %s, processing pending\n",
1176                                         item->path ? item->path : item->name);
1177                                 continue;
1178                         }
1179
1180                         str = get_scan_str(item);
1181
1182                         STATUSBAR_PUSH(folderview->mainwin, str);
1183                         GTK_EVENTS_FLUSH();
1184                         g_free(str);
1185
1186                         folderview_scan_tree_func(item->folder, item, NULL);
1187                         former_new    = item->new_msgs;
1188                         former_unread = item->unread_msgs;
1189                         former_total  = item->total_msgs;
1190
1191                         if (item->folder->klass->scan_required &&
1192                             (item->folder->klass->scan_required(item->folder, item) ||
1193                              item->folder->inbox == item ||
1194                              item->opened == TRUE ||
1195                              item->processing_pending == TRUE)) {
1196                                 if (folder_item_scan(item) < 0) {
1197                                         if (folder) {
1198                                                 summaryview_unlock(folderview->summaryview, item);
1199                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1200                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1201                                                                 item->path ? item->path:item->name);
1202                                                         continue;
1203                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1204                                                         STATUSBAR_POP(folderview->mainwin);
1205                                                         break;
1206                                                 }
1207                                         }
1208                                 }
1209                         } else if (!item->folder->klass->scan_required) {
1210                                 if (folder_item_scan(item) < 0) {
1211                                         summaryview_unlock(folderview->summaryview, item);
1212                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1213                                                 STATUSBAR_POP(folderview->mainwin);
1214                                                 break;
1215                                         }
1216                                 }
1217                         }
1218                         if (former_new    != item->new_msgs ||
1219                             former_unread != item->unread_msgs ||
1220                             former_total  != item->total_msgs)
1221                                 folderview_update_node(folderview, node);
1222
1223                         new_msgs += item->new_msgs;
1224                         former_new_msgs += former_new;
1225                         STATUSBAR_POP(folderview->mainwin);
1226                 }
1227
1228                 main_window_unlock(folderview->mainwin);
1229                 inc_unlock();
1230         }
1231
1232         folder_write_list();
1233         /* Number of new messages since last check is the just the difference
1234          * between former_new_msgs and new_msgs. If new_msgs is less than
1235          * former_new_msgs, that would mean another session accessed the folder
1236          * and the result is not well defined.
1237          */
1238         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1239         return new_msgs;
1240 }
1241
1242 void folderview_check_new_all(void)
1243 {
1244         GList *list;
1245         GtkWidget *window;
1246         FolderView *folderview;
1247
1248         folderview = (FolderView *)folderview_list->data;
1249
1250         inc_lock();
1251         main_window_lock(folderview->mainwin);
1252         window = label_window_create
1253                 (_("Checking for new messages in all folders..."));
1254
1255         list = folder_get_list();
1256         for (; list != NULL; list = list->next) {
1257                 Folder *folder = list->data;
1258
1259                 folderview_check_new(folder);
1260         }
1261
1262         folder_write_list();
1263         folderview_set_all();
1264
1265         gtk_widget_destroy(window);
1266         main_window_unlock(folderview->mainwin);
1267         inc_unlock();
1268 }
1269
1270 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1271                                                  FolderItem *item,
1272                                                  gboolean in_sub)
1273 {
1274         GNode *node = NULL;
1275
1276         if (!item || !item->folder || !item->folder->node)
1277                 return FALSE;
1278
1279         node = item->folder->node;
1280
1281         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1282         node = node->children;
1283
1284         if (in_sub &&
1285             (item->new_msgs > 0 ||
1286             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1287                 return TRUE;
1288         }
1289
1290         while (node != NULL) {
1291                 if (node && node->data) {
1292                         FolderItem *next_item = (FolderItem*) node->data;
1293                         node = node->next;
1294                         if (folderview_have_new_children_sub(folderview,
1295                                                              next_item, TRUE))
1296                                 return TRUE;
1297                 }
1298         }
1299
1300         return FALSE;
1301 }
1302
1303 static gboolean folderview_have_new_children(FolderView *folderview,
1304                                              FolderItem *item)
1305 {
1306         return folderview_have_new_children_sub(folderview, item, FALSE);
1307 }
1308
1309 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1310                                                     FolderItem *item,
1311                                                     gboolean in_sub)
1312 {
1313         GNode *node = NULL;
1314
1315         if (!item || !item->folder || !item->folder->node)
1316                 return FALSE;
1317
1318         node = item->folder->node;
1319
1320         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1321         node = node->children;
1322
1323         if (in_sub &&
1324             (item->unread_msgs > 0 ||
1325             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1326                 return TRUE;
1327         }
1328
1329         while (node != NULL) {
1330                 if (node && node->data) {
1331                         FolderItem *next_item = (FolderItem*) node->data;
1332                         node = node->next;
1333                         if (folderview_have_unread_children_sub(folderview,
1334                                                                 next_item,
1335                                                                 TRUE))
1336                                 return TRUE;
1337                 }
1338         }
1339
1340         return FALSE;
1341 }
1342
1343 static gboolean folderview_have_unread_children(FolderView *folderview,
1344                                                 FolderItem *item)
1345 {
1346         return folderview_have_unread_children_sub(folderview, item, FALSE);
1347 }
1348
1349 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1350                                                       FolderItem *item,
1351                                                       gboolean in_sub)
1352 {
1353         GNode *node = NULL;
1354
1355         if (!item || !item->folder || !item->folder->node)
1356                 return FALSE;
1357
1358         node = item->folder->node;
1359
1360         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1361         node = node->children;
1362
1363         if (in_sub && item->search_match){
1364                 return TRUE;
1365         }
1366
1367         while (node != NULL) {
1368                 if (node && node->data) {
1369                         FolderItem *next_item = (FolderItem*) node->data;
1370                         node = node->next;
1371                         if (folderview_have_matching_children_sub(folderview,
1372                                                                   next_item,
1373                                                                   TRUE))
1374                                 return TRUE;
1375                 }
1376         }
1377
1378         return FALSE;
1379 }
1380
1381 static gboolean folderview_have_matching_children(FolderView *folderview,
1382                                                   FolderItem *item)
1383 {
1384         return folderview_have_matching_children_sub(folderview, item, FALSE);
1385 }
1386
1387 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1388                                                     FolderItem *item,
1389                                                     gboolean in_sub)
1390 {
1391         GNode *node = NULL;
1392
1393         if (!item || !item->folder || !item->folder->node)
1394                 return FALSE;
1395
1396         node = item->folder->node;
1397
1398         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1399         node = node->children;
1400
1401         if (item->marked_msgs != 0) {
1402                 return TRUE;
1403         }
1404
1405         while (node != NULL) {
1406                 if (node && node->data) {
1407                         FolderItem *next_item = (FolderItem*) node->data;
1408                         node = node->next;
1409                         if (folderview_have_marked_children_sub(folderview,
1410                                                                 next_item, TRUE))
1411                                 return TRUE;
1412                 }
1413         }
1414
1415         return FALSE;
1416 }
1417
1418 static gboolean folderview_have_marked_children(FolderView *folderview,
1419                                              FolderItem *item)
1420 {
1421         return folderview_have_marked_children_sub(folderview, item, FALSE);
1422 }
1423
1424 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1425 {
1426         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1427         GtkStyle *style = NULL;
1428         GtkStyle *color_style = NULL;
1429         FolderItem *item;
1430         GdkPixmap *xpm, *openxpm;
1431         GdkBitmap *mask, *openmask;
1432         static GdkPixmap *searchicon;
1433         static GdkBitmap *searchmask;
1434         gboolean mark = FALSE;
1435         gchar *name;
1436         gchar *str;
1437         gboolean add_unread_mark;
1438         gboolean add_sub_match_mark;
1439         gboolean use_bold, use_color;
1440         gint *col_pos = folderview->col_pos;
1441         SpecialFolderItemType stype;
1442
1443         item = gtk_ctree_node_get_row_data(ctree, node);
1444         g_return_if_fail(item != NULL);
1445
1446         if (!GTK_CTREE_ROW(node)->expanded)
1447                 mark = folderview_have_marked_children(folderview, item);
1448         else
1449                 mark = (item->marked_msgs != 0);
1450
1451         stype = item->stype;
1452         if (stype == F_NORMAL) {
1453                 if (folder_has_parent_of_type(item, F_TRASH))
1454                         stype = F_TRASH;
1455                 else if (folder_has_parent_of_type(item, F_DRAFT))
1456                         stype = F_DRAFT;
1457                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1458                         stype = F_OUTBOX;
1459                 else if (folder_has_parent_of_type(item, F_QUEUE))
1460                         stype = F_QUEUE;
1461         }
1462         switch (stype) {
1463         case F_INBOX:
1464                 if (item->hide_read_msgs) {
1465                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1466                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1467                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1468                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1469                 } else {
1470                         xpm = mark?m_inboxxpm:inboxxpm;
1471                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1472                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1473                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1474                 }
1475                 break;
1476         case F_OUTBOX:
1477                 if (item->hide_read_msgs) {
1478                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1479                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1480                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1481                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1482                 } else {
1483                         xpm = mark?m_outboxxpm:outboxxpm;
1484                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1485                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1486                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1487                 }
1488                 break;
1489         case F_QUEUE:
1490                 if (item->hide_read_msgs) {
1491                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1492                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1493                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1494                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1495                 } else {
1496                         xpm = mark?m_queuexpm:queuexpm;
1497                         mask = mark?m_queuexpmmask:queuexpmmask;
1498                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1499                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1500                 }
1501                 break;
1502         case F_TRASH:
1503                 if (item->hide_read_msgs) {
1504                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1505                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1506                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1507                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1508                 } else {
1509                         xpm = mark?m_trashxpm:trashxpm;
1510                         mask = mark?m_trashxpmmask:trashxpmmask;
1511                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1512                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1513                 }
1514                 break;
1515         case F_DRAFT:
1516                 xpm = mark?m_draftsxpm:draftsxpm;
1517                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1518                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1519                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1520                 break;
1521         default:
1522                 if (item->hide_read_msgs) {
1523                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1524                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1525                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1526                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1527                 } else {
1528                         xpm = mark?m_folderxpm:folderxpm;
1529                         mask = mark?m_folderxpmmask:folderxpmmask;
1530                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1531                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1532                 }
1533         }
1534
1535         if (item->no_select) {
1536                 xpm = openxpm = noselectxpm;
1537                 mask = openmask = noselectxpmmask;
1538         }
1539
1540         name = folder_item_get_name(item);
1541
1542         if (!GTK_CTREE_ROW(node)->expanded) {
1543                 add_unread_mark = folderview_have_unread_children(
1544                                         folderview, item);
1545                 add_sub_match_mark = folderview_have_matching_children(
1546                                         folderview, item);
1547         } else {
1548                 add_unread_mark = FALSE;
1549                 add_sub_match_mark = FALSE;
1550         }
1551
1552         if (item->search_match) {
1553                 if (!searchicon) {
1554                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1555                          &searchicon, &searchmask);
1556                 }
1557                 xpm = openxpm = searchicon;
1558                 mask = openmask = searchmask;
1559         }
1560
1561         str = NULL;
1562         if (prefs_common.display_folder_unread) {
1563                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1564                         /* only total_msgs matters here */
1565                         if (item->total_msgs > 0) {
1566                                 /* show total number (should be equal to the unread number)
1567                                    and signs if any */
1568                                 str = g_strdup_printf("%s (%d%s%s)",
1569                                                         name, item->total_msgs,
1570                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1571                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1572                         }
1573         } else {
1574                         if (prefs_common.display_folder_unread == 1) {
1575                                 if (item->unread_msgs > 0) {
1576                                         /* show unread number and signs */
1577                                         str = g_strdup_printf("%s (%d%s%s)",
1578                                                                 name, item->unread_msgs,
1579                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1580                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1581                                 }
1582                         } else {
1583                                 if (item->total_msgs > 0) {
1584                                         /* show unread number, total number and signs if any */
1585                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1586                                                                 name, item->unread_msgs, item->total_msgs,
1587                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1588                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1589                                 }
1590                         }
1591                 }
1592                 if ((str == NULL) &&
1593                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1594                         /* no unread/total numbers, but at least one sign */
1595                         str = g_strdup_printf("%s (%s%s)",
1596                                                 name,
1597                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1598                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1599                 }
1600         }
1601         if (str == NULL) {
1602                 /* last fallback, folder name only or with ! sign */
1603                 str = g_strdup_printf("%s%s",
1604                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1605         }
1606                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1607                                         xpm, mask, openxpm, openmask,
1608                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1609                 g_free(str);
1610         g_free(name);
1611
1612         if (!folder_item_parent(item)) {
1613                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1614                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1615                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1616         } else {
1617                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1618                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1619                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1620         }
1621
1622         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1623             folder_has_parent_of_type(item, F_DRAFT) ||
1624             folder_has_parent_of_type(item, F_TRASH)) {
1625                 use_bold = use_color = FALSE;
1626         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1627                 /* highlight queue folder if there are any messages */
1628                 use_bold = use_color = (item->total_msgs > 0);
1629         } else {
1630                 /* if unread messages exist, print with bold font */
1631                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1632                                 || add_unread_mark;
1633                 /* if new messages exist, print with colored letter */
1634                 use_color =
1635                         (item->new_msgs > 0) ||
1636                         (add_unread_mark &&
1637                          folderview_have_new_children(folderview, item));
1638         }
1639
1640         gtk_ctree_node_set_foreground(ctree, node, NULL);
1641
1642         if (use_bold) {
1643                 GdkColor gdk_color;
1644
1645                 if (item->prefs->color > 0 && !use_color) {
1646                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1647                         color_style = gtk_style_copy(bold_style);
1648                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1649                         style = color_style;
1650                 } else if (use_color) {
1651                         style = bold_color_style;
1652                 } else
1653                         style = bold_style;
1654                 if (item->op_count > 0) {
1655                         style = bold_tgtfold_style;
1656                 }
1657         } else if (use_color) {
1658                 style = normal_color_style;
1659                 gtk_ctree_node_set_foreground(ctree, node,
1660                                               &folderview->color_new);
1661         } else if (item->op_count > 0) {
1662                 style = bold_tgtfold_style;
1663         } else if (item->prefs->color > 0) {
1664                 GdkColor gdk_color;
1665                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1666                 color_style = gtk_style_copy(normal_style);
1667                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1668                 style = color_style;
1669         } else {
1670                 style = normal_style;
1671         }
1672
1673         gtk_ctree_node_set_row_style(ctree, node, style);
1674
1675         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1676                 folderview_update_node(folderview, node);
1677 }
1678
1679 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1680 {
1681         GList *list;
1682         FolderView *folderview;
1683         GtkCTree *ctree;
1684         GtkCTreeNode *node;
1685
1686         g_return_if_fail(item != NULL);
1687
1688         for (list = folderview_list; list != NULL; list = list->next) {
1689                 folderview = (FolderView *)list->data;
1690                 ctree = GTK_CTREE(folderview->ctree);
1691
1692                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1693                 if (node) {
1694                         item->search_match = matches;
1695                         folderview_update_node(folderview, node);
1696                 }
1697         }
1698 }
1699
1700 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1701 {
1702         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1703         FolderView *folderview = (FolderView *)data;
1704         GtkCTree *ctree;
1705         GtkCTreeNode *node;
1706         g_return_val_if_fail(update_info != NULL, TRUE);
1707         g_return_val_if_fail(update_info->item != NULL, TRUE);
1708         g_return_val_if_fail(folderview != NULL, FALSE);
1709
1710         ctree = GTK_CTREE(folderview->ctree);
1711
1712         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1713
1714         if (node) {
1715                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1716                         folderview_update_node(folderview, node);
1717
1718                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1719                      update_info->item == folderview->summaryview->folder_item &&
1720                      update_info->item != NULL)
1721                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1722                                 summary_show(folderview->summaryview, update_info->item);
1723         }
1724
1725         return FALSE;
1726 }
1727
1728 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1729                                       GNode *gnode, GtkCTreeNode *cnode,
1730                                       gpointer data)
1731 {
1732         FolderView *folderview = (FolderView *)data;
1733         FolderItem *item = FOLDER_ITEM(gnode->data);
1734
1735         g_return_val_if_fail(item != NULL, FALSE);
1736
1737         gtk_ctree_node_set_row_data(ctree, cnode, item);
1738         folderview_update_node(folderview, cnode);
1739
1740         return TRUE;
1741 }
1742
1743 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1744                                    gpointer data)
1745 {
1746         FolderView *folderview = (FolderView *)data;
1747         FolderItem *item;
1748
1749         if (GTK_CTREE_ROW(node)->children) {
1750                 item = gtk_ctree_node_get_row_data(ctree, node);
1751                 g_return_if_fail(item != NULL);
1752
1753                 if (!item->collapsed)
1754                         gtk_ctree_expand(ctree, node);
1755                 else
1756                         folderview_update_node(folderview, node);
1757         }
1758 }
1759
1760 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1761                                GtkCTreeNode *root, GtkCTreeNode **prev)
1762 {
1763         if (item) {
1764                 GtkCTreeNode *node, *parent, *sibling;
1765
1766                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1767                 if (!node)
1768                         g_warning("%s not found.\n", item->path);
1769                 else {
1770                         parent = GTK_CTREE_ROW(node)->parent;
1771                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1772                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1773                         else
1774                                 sibling = GTK_CTREE_ROW(parent)->children;
1775                         while (sibling) {
1776                                 FolderItem *tmp;
1777
1778                                 tmp = gtk_ctree_node_get_row_data
1779                                         (ctree, sibling);
1780                                 if (tmp->stype != F_NORMAL)
1781                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1782                                 else
1783                                         break;
1784                         }
1785                         if (node != sibling)
1786                                 gtk_ctree_move(ctree, node, parent, sibling);
1787                 }
1788
1789                 *prev = node;
1790         }
1791 }
1792
1793 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1794                                     Folder *folder)
1795 {
1796         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1797         GtkCTreeNode *prev = NULL;
1798
1799         gtk_clist_freeze(GTK_CLIST(ctree));
1800         gtk_sctree_sort_recursive(ctree, root);
1801         if (root && GTK_CTREE_ROW(root)->parent) {
1802                 gtk_clist_thaw(GTK_CLIST(ctree));
1803                 return;
1804         }
1805         set_special_folder(ctree, folder->inbox, root, &prev);
1806         set_special_folder(ctree, folder->outbox, root, &prev);
1807         set_special_folder(ctree, folder->draft, root, &prev);
1808         set_special_folder(ctree, folder->queue, root, &prev);
1809         set_special_folder(ctree, folder->trash, root, &prev);
1810         gtk_clist_thaw(GTK_CLIST(ctree));
1811 }
1812
1813 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1814 {
1815         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1816         GtkCTreeNode *root;
1817
1818         g_return_if_fail(folder != NULL);
1819
1820         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1821                                       folderview_gnode_func, folderview);
1822         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1823                                 folderview);
1824         folderview_sort_folders(folderview, root, folder);
1825 }
1826
1827 /* callback functions */
1828 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1829                                 GdkEventButton *event)
1830 {
1831         GtkCList *clist = GTK_CLIST(folderview->ctree);
1832         FolderItem *item;
1833         Folder *folder;
1834         FolderViewPopup *fpopup;
1835         GtkItemFactory *fpopup_factory;
1836         GtkWidget *popup;
1837         FolderItem *special_trash = NULL, *special_queue = NULL;
1838         PrefsAccount *ac;
1839
1840         if (row > 0)
1841                 item = gtk_clist_get_row_data(clist, row);
1842         else
1843                 item = folderview_get_selected_item(folderview);
1844
1845         g_return_if_fail(item != NULL);
1846         g_return_if_fail(item->folder != NULL);
1847         folder = item->folder;
1848
1849         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1850         if (fpopup != NULL)
1851                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1852         else {
1853                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1854                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1855         }
1856
1857         if (fpopup->set_sensitivity != NULL)
1858                 fpopup->set_sensitivity(fpopup_factory, item);
1859
1860         if (NULL != (ac = account_find_from_item(item))) {
1861                 special_trash = account_get_special_folder(ac, F_TRASH);
1862                 special_queue = account_get_special_folder(ac, F_QUEUE);
1863         }
1864
1865         if ((item == folder->trash || item == special_trash
1866              || folder_has_parent_of_type(item, F_TRASH)) &&
1867             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1868                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1869                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1870         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1871                 && !folder_has_parent_of_type(item, F_TRASH)) {
1872                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1873                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1874         }
1875
1876         if ((item == folder->queue || item == special_queue
1877              || folder_has_parent_of_type(item, F_QUEUE)) &&
1878             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1879                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1880                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1881         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1882                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1883                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1884                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1885         }
1886
1887 #define SET_SENS(name, sens) \
1888         menu_set_sensitive(fpopup_factory, name, sens)
1889
1890         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1891         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1892                  folderview->selected == folderview->opened);
1893         SET_SENS("/Properties...", TRUE);
1894         SET_SENS("/Processing...", item->node->parent != NULL);
1895         if (item == folder->trash || item == special_trash
1896             || folder_has_parent_of_type(item, F_TRASH)) {
1897                 GSList *msglist = folder_item_get_msg_list(item);
1898                 SET_SENS("/Empty trash...", msglist != NULL);
1899                 procmsg_msg_list_free(msglist);
1900         }
1901         if (item == folder->queue || item == special_queue
1902             || folder_has_parent_of_type(item, F_QUEUE)) {
1903                 GSList *msglist = folder_item_get_msg_list(item);
1904                 SET_SENS("/Send queue...", msglist != NULL);
1905                 procmsg_msg_list_free(msglist);
1906         }
1907 #undef SET_SENS
1908
1909         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1910         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1911                        event->button, event->time);
1912
1913
1914 }
1915
1916 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1917                                           FolderView *folderview)
1918 {
1919         GtkCList *clist = GTK_CLIST(ctree);
1920         gint prev_row = -1, row = -1, column = -1;
1921
1922         if (!event) return FALSE;
1923
1924         if (event->button == 1 || event->button == 2) {
1925                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1926                         folderview->open_folder = TRUE;
1927
1928                 if (event->type == GDK_2BUTTON_PRESS) {
1929                         if (clist->selection) {
1930                                 GtkCTreeNode *node;
1931
1932                                 node = GTK_CTREE_NODE(clist->selection->data);
1933                                 if (node) {
1934                                         gtk_ctree_toggle_expansion(
1935                                                 GTK_CTREE(ctree),
1936                                                 node);
1937                                         folderview->open_folder = FALSE;
1938                                 }
1939                         }
1940                 }
1941                 return FALSE;
1942         }
1943
1944         if (event->button == 2 || event->button == 3) {
1945                 /* right clicked */
1946                 if (clist->selection) {
1947                         GtkCTreeNode *node;
1948
1949                         node = GTK_CTREE_NODE(clist->selection->data);
1950                         if (node)
1951                                 prev_row = gtkut_ctree_get_nth_from_node
1952                                         (GTK_CTREE(ctree), node);
1953                 }
1954
1955                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1956                                                   &row, &column))
1957                         return FALSE;
1958                 if (prev_row != row) {
1959                         gtk_clist_unselect_all(clist);
1960                         if (event->button == 2)
1961                                 folderview_select_node
1962                                         (folderview,
1963                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1964                                                             row));
1965                         else
1966                                 gtk_clist_select_row(clist, row, column);
1967                 }
1968         }
1969
1970         if (event->button != 3) return FALSE;
1971
1972         folderview_set_sens_and_popup_menu(folderview, row, event);
1973         return FALSE;
1974 }
1975
1976 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1977                                            FolderView *folderview)
1978 {
1979         if (!event) return FALSE;
1980
1981         if (event->button == 1 && folderview->open_folder == FALSE &&
1982             folderview->opened != NULL) {
1983                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1984                                           folderview->opened);
1985                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1986         }
1987
1988         return FALSE;
1989 }
1990
1991 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1992                                        FolderView *folderview)
1993 {
1994         if (!event) return FALSE;
1995
1996         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1997                 return FALSE;
1998
1999         switch (event->keyval) {
2000         case GDK_Return:
2001                 if (folderview->selected) {
2002                         folderview_select_node(folderview,
2003                                                folderview->selected);
2004                 }
2005                 break;
2006         case GDK_space:
2007                 if (folderview->selected) {
2008                         if (folderview->opened == folderview->selected &&
2009                             (!folderview->summaryview->folder_item ||
2010                              folderview->summaryview->folder_item->total_msgs == 0))
2011                                 folderview_select_next_unread(folderview, TRUE);
2012                         else
2013                                 folderview_select_node(folderview,
2014                                                        folderview->selected);
2015                 }
2016                 break;
2017         default:
2018                 break;
2019         }
2020
2021         return FALSE;
2022 }
2023
2024 typedef struct _PostponedSelectData
2025 {
2026         GtkCTree *ctree;
2027         GtkCTreeNode *row;
2028         gint column;
2029         FolderView *folderview;
2030 } PostponedSelectData;
2031
2032 static gboolean postpone_select(void *data)
2033 {
2034         PostponedSelectData *psdata = (PostponedSelectData *)data;
2035         debug_print("trying again\n");
2036         psdata->folderview->open_folder = TRUE;
2037         main_window_cursor_normal(psdata->folderview->mainwin);
2038         STATUSBAR_POP(psdata->folderview->mainwin);
2039         folderview_selected(psdata->ctree, psdata->row,
2040                             psdata->column, psdata->folderview);
2041         g_free(psdata);
2042         return FALSE;
2043 }
2044
2045 void folderview_close_opened(FolderView *folderview)
2046 {
2047         if (folderview->opened) {
2048                 FolderItem *olditem;
2049
2050                 olditem = gtk_ctree_node_get_row_data(folderview->ctree, folderview->opened);
2051                 if (olditem) {
2052                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2053                                 olditem->path ? olditem->path:olditem->name);
2054                         /* will be null if we just moved the previously opened folder */
2055                         STATUSBAR_PUSH(folderview->mainwin, buf);
2056                         main_window_cursor_wait(folderview->mainwin);
2057                         g_free(buf);
2058                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2059                         summary_show(folderview->summaryview, NULL);
2060                         folder_item_close(olditem);
2061                         main_window_cursor_normal(folderview->mainwin);
2062                         STATUSBAR_POP(folderview->mainwin);
2063                 }
2064         }
2065         folderview->opened = NULL;
2066 }
2067 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2068                                 gint column, FolderView *folderview)
2069 {
2070         static gboolean can_select = TRUE;      /* exclusive lock */
2071         gboolean opened;
2072         FolderItem *item;
2073         gchar *buf;
2074         int res = 0;
2075         START_TIMING("");
2076         folderview->selected = row;
2077
2078         debug_print("newly selected %p, opened %p\n", folderview->selected,
2079                         folderview->opened);
2080         if (folderview->opened == row) {
2081                 folderview->open_folder = FALSE;
2082                 END_TIMING();
2083                 return;
2084         }
2085
2086         if (!can_select || summary_is_locked(folderview->summaryview)) {
2087                 if (folderview->opened) {
2088                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2089                         gtk_ctree_select(ctree, folderview->opened);
2090                 }
2091                 folderview->open_folder = FALSE;
2092                 END_TIMING();
2093                 return;
2094         }
2095
2096         if (!folderview->open_folder) {
2097                 END_TIMING();
2098                 return;
2099         }
2100         item = gtk_ctree_node_get_row_data(ctree, row);
2101         if (!item || item->no_select) {
2102                 END_TIMING();
2103                 folderview->open_folder = FALSE;
2104                 return;
2105         }
2106
2107         can_select = FALSE;
2108
2109         /* Save cache for old folder */
2110         /* We don't want to lose all caches if sylpheed crashed */
2111         folderview_close_opened(folderview);
2112
2113         /* CLAWS: set compose button type: news folder items
2114          * always have a news folder as parent */
2115         if (item->folder)
2116                 toolbar_set_compose_button
2117                         (folderview->mainwin->toolbar,
2118                          FOLDER_TYPE(item->folder) == F_NEWS ?
2119                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2120
2121         if (item->path)
2122                 debug_print("Folder %s is selected\n", item->path);
2123
2124         if (!GTK_CTREE_ROW(row)->children)
2125                 gtk_ctree_expand(ctree, row);
2126         if (folderview->opened &&
2127             !GTK_CTREE_ROW(folderview->opened)->children)
2128                 gtk_ctree_collapse(ctree, folderview->opened);
2129
2130         /* ungrab the mouse event */
2131         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2132                 gtk_grab_remove(GTK_WIDGET(ctree));
2133                 if (gdk_pointer_is_grabbed())
2134                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2135         }
2136
2137         /* Open Folder */
2138         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2139                                         item->path : "(null)");
2140         debug_print("%s\n", buf);
2141         STATUSBAR_PUSH(folderview->mainwin, buf);
2142         g_free(buf);
2143
2144         main_window_cursor_wait(folderview->mainwin);
2145
2146         res = folder_item_open(item);
2147         if (res == -1) {
2148                 main_window_cursor_normal(folderview->mainwin);
2149                 STATUSBAR_POP(folderview->mainwin);
2150
2151                 alertpanel_error(_("Folder could not be opened."));
2152
2153                 folderview->open_folder = FALSE;
2154                 can_select = TRUE;
2155                 END_TIMING();
2156                 return;
2157         } else if (res == -2) {
2158                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2159                 data->ctree = ctree;
2160                 data->row = row;
2161                 data->column = column;
2162                 data->folderview = folderview;
2163                 debug_print("postponing open of %s till end of scan\n",
2164                         item->path ? item->path:item->name);
2165                 folderview->open_folder = FALSE;
2166                 can_select = TRUE;
2167                 g_timeout_add(500, postpone_select, data);
2168                 END_TIMING();
2169                 return;
2170         }
2171
2172         main_window_cursor_normal(folderview->mainwin);
2173
2174         /* Show messages */
2175         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2176         opened = summary_show(folderview->summaryview, item);
2177
2178         folder_clean_cache_memory(item);
2179
2180         if (!opened) {
2181                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2182                 gtk_ctree_select(ctree, folderview->opened);
2183         } else {
2184                 folderview->opened = row;
2185                 if (gtk_ctree_node_is_visible(ctree, row)
2186                     != GTK_VISIBILITY_FULL)
2187                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2188         }
2189
2190         STATUSBAR_POP(folderview->mainwin);
2191
2192         folderview->open_folder = FALSE;
2193         can_select = TRUE;
2194         END_TIMING();
2195 }
2196
2197 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2198                                      FolderView *folderview)
2199 {
2200         FolderItem *item;
2201
2202         item = gtk_ctree_node_get_row_data(ctree, node);
2203         g_return_if_fail(item != NULL);
2204         item->collapsed = FALSE;
2205         folderview_update_node(folderview, node);
2206 }
2207
2208 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2209                                       FolderView *folderview)
2210 {
2211         FolderItem *item;
2212
2213         item = gtk_ctree_node_get_row_data(ctree, node);
2214         g_return_if_fail(item != NULL);
2215         item->collapsed = TRUE;
2216         folderview_update_node(folderview, node);
2217 }
2218
2219 static void folderview_popup_close(GtkMenuShell *menu_shell,
2220                                    FolderView *folderview)
2221 {
2222         if (!folderview->opened) return;
2223
2224         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2225 }
2226
2227 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2228                                    FolderView *folderview)
2229 {
2230         FolderColumnType type = folderview->col_state[column].type;
2231
2232         prefs_common.folder_col_size[type] = width;
2233 }
2234
2235 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2236 {
2237         GNode *srcnode;
2238
2239         folderview_create_folder_node(folderview, item);
2240
2241         if (!item || !item->folder || !item->folder->node)
2242                 return;
2243
2244         srcnode = item->folder->node;
2245         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2246         srcnode = srcnode->children;
2247         while (srcnode != NULL) {
2248                 if (srcnode && srcnode->data) {
2249                         FolderItem *next_item = (FolderItem*) srcnode->data;
2250                         folderview_create_folder_node_recursive(folderview, next_item);
2251                 }
2252                 srcnode = srcnode->next;
2253         }
2254 }
2255
2256 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2257 {
2258         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2259         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2260         GtkCTreeNode *node, *parent_node;
2261         gint *col_pos = folderview->col_pos;
2262         FolderItemUpdateData hookdata;
2263
2264         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2265         if (parent_node == NULL)
2266                 return;
2267
2268         gtk_clist_freeze(GTK_CLIST(ctree));
2269
2270         text[col_pos[F_COL_FOLDER]] = item->name;
2271         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2272                                      FOLDER_SPACING,
2273                                      folderxpm, folderxpmmask,
2274                                      folderopenxpm, folderopenxpmmask,
2275                                      FALSE, FALSE);
2276         gtk_ctree_expand(ctree, parent_node);
2277         gtk_ctree_node_set_row_data(ctree, node, item);
2278         if (normal_style)
2279                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2280         folderview_sort_folders(folderview, parent_node, item->folder);
2281
2282         hookdata.item = item;
2283         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2284         hookdata.msg = NULL;
2285         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2286
2287         gtk_clist_thaw(GTK_CLIST(ctree));
2288 }
2289
2290 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2291                                       GtkWidget *widget)
2292 {
2293         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2294         FolderItem *item;
2295         GSList *mlist = NULL;
2296         GSList *cur = NULL;
2297         FolderItem *special_trash = NULL;
2298         PrefsAccount *ac;
2299
2300         if (!folderview->selected) return;
2301         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2302         g_return_if_fail(item != NULL);
2303         g_return_if_fail(item->folder != NULL);
2304
2305         if (NULL != (ac = account_find_from_item(item)))
2306                 special_trash = account_get_special_folder(ac, F_TRASH);
2307
2308         if (item != item->folder->trash && item != special_trash
2309         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2310
2311         if (prefs_common.ask_on_clean) {
2312                 if (alertpanel(_("Empty trash"),
2313                                _("Delete all messages in trash?"),
2314                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2315                         return;
2316         }
2317
2318         mlist = folder_item_get_msg_list(item);
2319
2320         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2321                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2322                 if (MSG_IS_LOCKED(msginfo->flags))
2323                         continue;
2324                 /* is it partially received? (partial_recv isn't cached) */
2325                 if (msginfo->total_size != 0 &&
2326                     msginfo->size != (off_t)msginfo->total_size)
2327                         partial_mark_for_delete(msginfo);
2328         }
2329         procmsg_msg_list_free(mlist);
2330
2331         folder_item_remove_all_msg(item);
2332 }
2333
2334 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2335                                       GtkWidget *widget)
2336 {
2337         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2338         FolderItem *item;
2339         FolderItem *special_queue = NULL;
2340         PrefsAccount *ac;
2341         gchar *errstr = NULL;
2342
2343         if (!folderview->selected) return;
2344         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2345         g_return_if_fail(item != NULL);
2346         g_return_if_fail(item->folder != NULL);
2347
2348         if (NULL != (ac = account_find_from_item(item)))
2349                 special_queue = account_get_special_folder(ac, F_QUEUE);
2350
2351         if (item != item->folder->queue && item != special_queue
2352         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2353
2354         if (procmsg_queue_is_empty(item))
2355                 return;
2356
2357         if (prefs_common.work_offline)
2358                 if (alertpanel(_("Offline warning"),
2359                                _("You're working offline. Override?"),
2360                                GTK_STOCK_NO, GTK_STOCK_YES,
2361                                NULL) != G_ALERTALTERNATE)
2362                 return;
2363
2364         /* ask for confirmation before sending queued messages only
2365            in online mode and if there is at least one message queued
2366            in any of the folder queue
2367         */
2368         if (prefs_common.confirm_send_queued_messages) {
2369                 if (!prefs_common.work_offline) {
2370                         if (alertpanel(_("Send queued messages"),
2371                                    _("Send all queued messages?"),
2372                                    GTK_STOCK_CANCEL, _("_Send"),
2373                                    NULL) != G_ALERTALTERNATE)
2374                                 return;
2375                 }
2376         }
2377
2378         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2379                 if (!errstr)
2380                         alertpanel_error_log(_("Some errors occurred while "
2381                                            "sending queued messages."));
2382                 else {
2383                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2384                                         "while sending queued messages:\n%s"), errstr);
2385                         g_free(errstr);
2386                         alertpanel_error_log(tmp);
2387                         g_free(tmp);
2388                 }
2389         }
2390 }
2391
2392 static void folderview_search_cb(FolderView *folderview, guint action,
2393                                  GtkWidget *widget)
2394 {
2395         summary_search(folderview->summaryview);
2396 }
2397
2398 static void folderview_property_cb(FolderView *folderview, guint action,
2399                                    GtkWidget *widget)
2400 {
2401         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2402         FolderItem *item;
2403
2404         if (!folderview->selected) return;
2405
2406         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2407         g_return_if_fail(item != NULL);
2408         g_return_if_fail(item->folder != NULL);
2409
2410         prefs_folder_item_open(item);
2411 }
2412
2413 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2414 {
2415         GSList *list = NULL;
2416         GSList *done = NULL;
2417         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2418
2419         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2420                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2421                 &&  list->data != node) {
2422                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2423                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2424                 }
2425         }
2426         for (list = done; list != NULL; list = g_slist_next(list)) {
2427                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2428                                                                  list->data);
2429         }
2430         g_slist_free(done);
2431 }
2432
2433 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2434                             FolderItem *to_folder, gboolean copy)
2435 {
2436         FolderItem *from_parent = NULL;
2437         FolderItem *new_folder = NULL;
2438         GtkCTreeNode *src_node = NULL;
2439         gchar *buf;
2440         gint status;
2441
2442         g_return_if_fail(folderview != NULL);
2443         g_return_if_fail(from_folder != NULL);
2444         g_return_if_fail(to_folder != NULL);
2445
2446         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2447         from_parent = folder_item_parent(from_folder);
2448
2449         if (prefs_common.warn_dnd) {
2450                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2451                                              _("Do you really want to make folder '%s' a sub-folder of '%s' ?"),
2452                                         from_folder->name, to_folder->name);
2453                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2454                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2455                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2456                 g_free(buf);
2457
2458                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2459                         return;
2460                 else if (status & G_ALERTDISABLE)
2461                         prefs_common.warn_dnd = FALSE;
2462         }
2463
2464         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2465                                 from_folder->name, to_folder->name);
2466         STATUSBAR_PUSH(folderview->mainwin, buf);
2467         g_free(buf);
2468         summary_clear_all(folderview->summaryview);
2469         folderview->opened = NULL;
2470         folderview->selected = NULL;
2471         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2472         inc_lock();
2473         main_window_cursor_wait(folderview->mainwin);
2474
2475         statusbar_verbosity_set(FALSE);
2476         folder_item_update_freeze();
2477         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2478                 statusbar_verbosity_set(FALSE);
2479                 main_window_cursor_normal(folderview->mainwin);
2480                 STATUSBAR_POP(folderview->mainwin);
2481                 folder_item_update_thaw();
2482                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2483
2484                 folderview_sort_folders(folderview,
2485                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2486                                 NULL, to_folder), new_folder->folder);
2487                 folderview_select(folderview, new_folder);
2488         } else {
2489                 statusbar_verbosity_set(FALSE);
2490                 main_window_cursor_normal(folderview->mainwin);
2491                 STATUSBAR_POP(folderview->mainwin);
2492                 folder_item_update_thaw();
2493                 switch (status) {
2494                 case F_MOVE_FAILED_DEST_IS_PARENT:
2495                         alertpanel_error(_("Source and destination are the same."));
2496                         break;
2497                 case F_MOVE_FAILED_DEST_IS_CHILD:
2498                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2499                                                 _("Can't move a folder to one of its children."));
2500                         break;
2501                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2502                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2503                         break;
2504                 default:
2505                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2506                         break;
2507                 }
2508         }
2509         inc_unlock();
2510         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2511 }
2512
2513 static gint folderview_clist_compare(GtkCList *clist,
2514                                      gconstpointer ptr1, gconstpointer ptr2)
2515 {
2516         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2517         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2518
2519         if (!item1->name)
2520                 return (item2->name != NULL);
2521         if (!item2->name)
2522                 return -1;
2523
2524         return g_utf8_collate(item1->name, item2->name);
2525 }
2526
2527 static void folderview_processing_cb(FolderView *folderview, guint action,
2528                                      GtkWidget *widget)
2529 {
2530         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2531         FolderItem *item;
2532         gchar *id, *title;
2533
2534         if (!folderview->selected) return;
2535
2536         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2537         g_return_if_fail(item != NULL);
2538         g_return_if_fail(item->folder != NULL);
2539
2540         id = folder_item_get_identifier(item);
2541         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2542         g_free (id);
2543
2544         prefs_filtering_open(&item->prefs->processing, title,
2545                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2546         g_free (title);
2547 }
2548
2549 void folderview_set_target_folder_color(gint color_op)
2550 {
2551         gint firstone = 1;
2552         GList *list;
2553         FolderView *folderview;
2554
2555         for (list = folderview_list; list != NULL; list = list->next) {
2556                 folderview = (FolderView *)list->data;
2557                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2558                 if (firstone) {
2559                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2560                                 folderview->color_op;
2561                         firstone = 0;
2562                 }
2563         }
2564 }
2565
2566 static gchar *last_font = NULL;
2567 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2568 {
2569         /* force reinit */
2570         g_free(last_font);
2571         last_font = NULL;
2572
2573 }
2574
2575 void folderview_reflect_prefs(void)
2576 {
2577         gboolean update_font = TRUE;
2578         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2579         FolderItem *item = folderview_get_selected_item(folderview);
2580         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2581                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2582         gint height = pos->value;
2583
2584         if (last_font && !strcmp(last_font, NORMAL_FONT))
2585                 update_font = FALSE;
2586
2587         g_free(last_font);
2588         last_font = g_strdup(NORMAL_FONT);
2589
2590         if (update_font) {
2591                 normal_style = normal_color_style = bold_style =
2592                         bold_color_style = bold_tgtfold_style = NULL;
2593
2594                 folderview_init(folderview);
2595         }
2596         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2597         folderview_column_set_titles(folderview);
2598         folderview_set_all();
2599
2600         g_signal_handlers_block_by_func
2601                 (G_OBJECT(folderview->ctree),
2602                  G_CALLBACK(folderview_selected), folderview);
2603
2604         if (item) {
2605                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2606                         GTK_CTREE(folderview->ctree), NULL, item);
2607
2608                 folderview_select(folderview, item);
2609                 folderview->open_folder = FALSE;
2610                 folderview->selected = node;
2611         }
2612
2613         g_signal_handlers_unblock_by_func
2614                 (G_OBJECT(folderview->ctree),
2615                  G_CALLBACK(folderview_selected), folderview);
2616
2617         pos = gtk_scrolled_window_get_vadjustment(
2618                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2619         gtk_adjustment_set_value(pos, height);
2620         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2621 }
2622
2623 static void drag_state_stop(FolderView *folderview)
2624 {
2625         if (folderview->drag_timer)
2626                 g_source_remove(folderview->drag_timer);
2627         folderview->drag_timer = 0;
2628         folderview->drag_node = NULL;
2629 }
2630
2631 static gint folderview_defer_expand(FolderView *folderview)
2632 {
2633         if (folderview->drag_node) {
2634                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2635                 if (folderview->drag_item->collapsed) {
2636                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2637                         folderview->nodes_to_recollapse = g_slist_append
2638                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2639                 }
2640         }
2641         folderview->drag_item  = NULL;
2642         folderview->drag_timer = 0;
2643         return FALSE;
2644 }
2645
2646 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2647 {
2648         /* the idea is that we call drag_state_start() whenever we want expansion to
2649          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2650          * we need to call drag_state_stop() */
2651         drag_state_stop(folderview);
2652         /* request expansion */
2653         if (0 != (folderview->drag_timer = g_timeout_add
2654                         (prefs_common.hover_timeout,
2655                          (GtkFunction)folderview_defer_expand,
2656                          folderview))) {
2657                 folderview->drag_node = node;
2658                 folderview->drag_item = item;
2659         }
2660 }
2661
2662 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2663                                   FolderView       *folderview)
2664 {
2665         GdkDragContext *context;
2666
2667         g_return_if_fail(folderview != NULL);
2668         if (folderview->selected == NULL) return;
2669         if (folderview->nodes_to_recollapse)
2670                 g_slist_free(folderview->nodes_to_recollapse);
2671         folderview->nodes_to_recollapse = NULL;
2672         context = gtk_drag_begin(widget, folderview->target_list,
2673                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2674         gtk_drag_set_icon_default(context);
2675 }
2676
2677 static void folderview_drag_data_get(GtkWidget        *widget,
2678                                      GdkDragContext   *drag_context,
2679                                      GtkSelectionData *selection_data,
2680                                      guint             info,
2681                                      guint             time,
2682                                      FolderView       *folderview)
2683 {
2684         FolderItem *item;
2685         GList *cur;
2686         gchar *source = NULL;
2687         if (info == TARGET_DUMMY) {
2688                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2689                      cur != NULL; cur = cur->next) {
2690                         item = gtk_ctree_node_get_row_data
2691                                 (GTK_CTREE(folderview->ctree),
2692                                  GTK_CTREE_NODE(cur->data));
2693                         if (item) {
2694                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2695                                 gtk_selection_data_set(selection_data,
2696                                                        selection_data->target, 8,
2697                                                        source, strlen(source));
2698                                 break;
2699                         } else
2700                                 return;
2701                 }
2702         } else {
2703                 g_warning("unknown info %d\n", info);
2704         }
2705 }
2706
2707 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2708 {
2709         FolderUpdateData *hookdata;
2710         FolderView *folderview;
2711         GtkWidget *ctree;
2712
2713         hookdata = source;
2714         folderview = (FolderView *) userdata;
2715         g_return_val_if_fail(hookdata != NULL, FALSE);
2716         g_return_val_if_fail(folderview != NULL, FALSE);
2717
2718         ctree = folderview->ctree;
2719         g_return_val_if_fail(ctree != NULL, FALSE);
2720
2721         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2722                 folderview_create_folder_node(folderview, hookdata->item);
2723         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2724                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2725                                 NULL, folder_item_parent(hookdata->item));
2726                 folderview_sort_folders(folderview, node, hookdata->folder);
2727         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2728                 GtkCTreeNode *node;
2729
2730                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2731                 if (node != NULL) {
2732                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2733                         if (folderview->selected == node)
2734                                 folderview->selected = NULL;
2735                         if (folderview->opened == node)
2736                                 folderview->opened = NULL;
2737                 }
2738         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2739                 folderview_set(folderview);
2740
2741         return FALSE;
2742 }
2743
2744 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2745                                           GdkDragContext *context,
2746                                           gint            x,
2747                                           gint            y,
2748                                           guint           time,
2749                                           FolderView     *folderview)
2750 {
2751         gint row, column;
2752         FolderItem *item = NULL, *src_item = NULL;
2753         GtkCTreeNode *node = NULL;
2754         gboolean acceptable = FALSE;
2755         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2756                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2757         int height = (int)pos->page_size;
2758         int total_height = (int)pos->upper;
2759         int vpos = (int) pos->value;
2760
2761         if (gtk_clist_get_selection_info
2762                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2763                 GtkWidget *srcwidget;
2764
2765                 if (y > height - 24 && height + vpos < total_height)
2766                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2767
2768                 if (y < 48 && y > 0)
2769                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2770
2771                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2772                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2773                 src_item = folderview->summaryview->folder_item;
2774
2775                 srcwidget = gtk_drag_get_source_widget(context);
2776                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2777                         /* comes from summaryview */
2778                         /* we are copying messages, so only accept folder items that are not
2779                            the source item, are no root items and can copy messages */
2780                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2781                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2782                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2783                                 acceptable = TRUE;
2784                 } else if (srcwidget == folderview->ctree) {
2785                         /* comes from folderview */
2786                         /* we are moving folder items, only accept folders that are not
2787                            the source items and can copy messages and create folder items */
2788                         if (item && item->folder && src_item && src_item != item &&
2789                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2790                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2791                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2792                              || item->folder == src_item->folder))
2793                                 acceptable = TRUE;
2794                 } else {
2795                         /* comes from another app */
2796                         /* we are adding messages, so only accept folder items that are
2797                            no root items and can copy messages */
2798                         if (item && item->folder && folder_item_parent(item) != NULL
2799                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2800                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2801                                 acceptable = TRUE;
2802                 }
2803         }
2804
2805         if (acceptable || (src_item && src_item == item))
2806                 drag_state_start(folderview, node, item);
2807
2808         if (acceptable) {
2809                 g_signal_handlers_block_by_func
2810                         (G_OBJECT(widget),
2811                          G_CALLBACK(folderview_selected), folderview);
2812                 gtk_ctree_select(GTK_CTREE(widget), node);
2813                 g_signal_handlers_unblock_by_func
2814                         (G_OBJECT(widget),
2815                          G_CALLBACK(folderview_selected), folderview);
2816                 gdk_drag_status(context,
2817                                         (context->actions == GDK_ACTION_COPY ?
2818                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2819         } else {
2820                 if (folderview->opened)
2821                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2822                 gdk_drag_status(context, 0, time);
2823         }
2824
2825         return acceptable;
2826 }
2827
2828 static void folderview_drag_leave_cb(GtkWidget      *widget,
2829                                      GdkDragContext *context,
2830                                      guint           time,
2831                                      FolderView     *folderview)
2832 {
2833         drag_state_stop(folderview);
2834         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2835 }
2836
2837 static void free_info (gpointer stuff, gpointer data)
2838 {
2839         g_free(stuff);
2840 }
2841
2842 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2843                            guint time, FolderItem *item)
2844 {
2845         GList *list, *tmp;
2846         GSList *msglist = NULL;
2847         list = uri_list_extract_filenames(data);
2848         if (!(item && item->folder && folder_item_parent(item) != NULL
2849                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2850         {
2851                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2852                 debug_print("item doesn't fit\n");
2853                 return;
2854         }
2855         if (!list) {
2856                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2857                 debug_print("list is empty\n");
2858                 return;
2859         }
2860         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2861                 MsgFileInfo *info = NULL;
2862
2863                 if (file_is_email((gchar *)tmp->data)) {
2864                         info = g_new0(MsgFileInfo, 1);
2865                         info->msginfo = NULL;
2866                         info->file = (gchar *)tmp->data;
2867                         msglist = g_slist_prepend(msglist, info);
2868                         debug_print("file is a mail\n");
2869                 } else {
2870                         debug_print("file isn't a mail\n");
2871                 }
2872         }
2873         if (msglist) {
2874                 msglist = g_slist_reverse(msglist);
2875                 folder_item_add_msgs(item, msglist, FALSE);
2876                 g_slist_foreach(msglist, free_info, NULL);
2877                 g_slist_free(msglist);
2878                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2879         } else {
2880                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2881         }
2882         list_free_strings(list);
2883         g_list_free(list);
2884 }
2885
2886 static void folderview_drag_received_cb(GtkWidget        *widget,
2887                                         GdkDragContext   *drag_context,
2888                                         gint              x,
2889                                         gint              y,
2890                                         GtkSelectionData *data,
2891                                         guint             info,
2892                                         guint             time,
2893                                         FolderView       *folderview)
2894 {
2895         gint row, column;
2896         FolderItem *item = NULL, *src_item;
2897         GtkCTreeNode *node;
2898
2899         if (info == TARGET_DUMMY) {
2900                 drag_state_stop(folderview);
2901                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2902                         /* comes from summaryview */
2903                         if (gtk_clist_get_selection_info
2904                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2905                                 return;
2906
2907                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2908                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2909                         src_item = folderview->summaryview->folder_item;
2910
2911                         /* re-check (due to acceptable possibly set for folder moves */
2912                         if (!(item && item->folder && item->path && !item->no_select &&
2913                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2914                                 return;
2915                         }
2916                         if (item && src_item) {
2917                                 switch (drag_context->action) {
2918                                 case GDK_ACTION_COPY:
2919                                         summary_copy_selected_to(folderview->summaryview, item);
2920                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2921                                         break;
2922                                 case GDK_ACTION_MOVE:
2923                                 case GDK_ACTION_DEFAULT:
2924                                 default:
2925                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2926                                                 summary_copy_selected_to(folderview->summaryview, item);
2927                                         else
2928                                                 summary_move_selected_to(folderview->summaryview, item);
2929                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2930                                 }
2931                         } else
2932                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2933                 } else {
2934                         /* comes from folderview */
2935                         char *source;
2936                         gboolean folder_is_normal = TRUE;
2937                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
2938
2939                         source = data->data + 17;
2940                         if (gtk_clist_get_selection_info
2941                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2942                             || *source == 0) {
2943                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2944                                 return;
2945                         }
2946                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2947                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2948                         src_item = folder_find_item_from_identifier(source);
2949
2950                         folder_is_normal =
2951                                 src_item != NULL &&
2952                                 src_item->stype == F_NORMAL &&
2953                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2954                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2955                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2956                                 !folder_has_parent_of_type(src_item, F_TRASH);
2957                         if (!item || item->no_select || !src_item
2958                         ||  !folder_is_normal) {
2959                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2960                                 return;
2961                         }
2962
2963                         folderview_move_folder(folderview, src_item, item, copy);
2964                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2965                 }
2966                 folderview->nodes_to_recollapse = NULL;
2967         } else if (info == TARGET_MAIL_URI_LIST) {
2968                 if (gtk_clist_get_selection_info
2969                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2970                         return;
2971
2972                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2973                 if (!node) {
2974                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2975                         debug_print("no node\n");
2976                         return;
2977                 }
2978                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2979                 if (!item) {
2980                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2981                         debug_print("no item\n");
2982                         return;
2983                 }
2984                 folderview_finish_dnd(data->data, drag_context, time, item);
2985         }
2986 }
2987
2988 static void folderview_drag_end_cb(GtkWidget        *widget,
2989                                    GdkDragContext   *drag_context,
2990                                    FolderView       *folderview)
2991 {
2992         drag_state_stop(folderview);
2993         g_slist_free(folderview->nodes_to_recollapse);
2994         folderview->nodes_to_recollapse = NULL;
2995 }
2996
2997 void folderview_register_popup(FolderViewPopup *fpopup)
2998 {
2999         GList *folderviews;
3000
3001         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3002                 FolderView *folderview = folderviews->data;
3003                 GtkItemFactory *factory;
3004
3005                 factory = create_ifactory(folderview, fpopup);
3006                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3007         }
3008         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3009 }
3010
3011 void folderview_unregister_popup(FolderViewPopup *fpopup)
3012 {
3013         GList *folderviews;
3014
3015         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3016                 FolderView *folderview = folderviews->data;
3017
3018                 g_hash_table_remove(folderview->popups, fpopup->klass);
3019         }
3020         g_hash_table_remove(folderview_popups, fpopup->klass);
3021 }