src/folderview.c

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