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