src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71 #include "log.h"
  72
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 static GList *folderview_list = NULL;
  77
  78 static GtkStyle *normal_style;
  79 static GtkStyle *normal_color_style;
  80 static GtkStyle *bold_style;
  81 static GtkStyle *bold_color_style;
  82 static GtkStyle *bold_tgtfold_style;
  83
  84 static GdkPixmap *inboxxpm;
  85 static GdkBitmap *inboxxpmmask;
  86 static GdkPixmap *inboxhrmxpm;
  87 static GdkBitmap *inboxhrmxpmmask;
  88 static GdkPixmap *inboxopenxpm;
  89 static GdkBitmap *inboxopenxpmmask;
  90 static GdkPixmap *inboxopenhrmxpm;
  91 static GdkBitmap *inboxopenhrmxpmmask;
  92 static GdkPixmap *outboxxpm;
  93 static GdkBitmap *outboxxpmmask;
  94 static GdkPixmap *outboxhrmxpm;
  95 static GdkBitmap *outboxhrmxpmmask;
  96 static GdkPixmap *outboxopenxpm;
  97 static GdkBitmap *outboxopenxpmmask;
  98 static GdkPixmap *outboxopenhrmxpm;
  99 static GdkBitmap *outboxopenhrmxpmmask;
 100 static GdkPixmap *folderxpm;
 101 static GdkBitmap *folderxpmmask;
 102 static GdkPixmap *folderhrmxpm;
 103 static GdkBitmap *folderhrmxpmmask;
 104 static GdkPixmap *folderopenxpm;
 105 static GdkBitmap *folderopenxpmmask;
 106 static GdkPixmap *folderopenhrmxpm;
 107 static GdkBitmap *folderopenhrmxpmmask;
 108 static GdkPixmap *trashopenxpm;
 109 static GdkBitmap *trashopenxpmmask;
 110 static GdkPixmap *trashopenhrmxpm;
 111 static GdkBitmap *trashopenhrmxpmmask;
 112 static GdkPixmap *trashxpm;
 113 static GdkBitmap *trashxpmmask;
 114 static GdkPixmap *trashhrmxpm;
 115 static GdkBitmap *trashhrmxpmmask;
 116 static GdkPixmap *queuexpm;
 117 static GdkBitmap *queuexpmmask;
 118 static GdkPixmap *queuehrmxpm;
 119 static GdkBitmap *queuehrmxpmmask;
 120 static GdkPixmap *queueopenxpm;
 121 static GdkBitmap *queueopenxpmmask;
 122 static GdkPixmap *queueopenhrmxpm;
 123 static GdkBitmap *queueopenhrmxpmmask;
 124 static GdkPixmap *draftsxpm;
 125 static GdkBitmap *draftsxpmmask;
 126 static GdkPixmap *draftsopenxpm;
 127 static GdkBitmap *draftsopenxpmmask;
 128 static GdkPixmap *noselectxpm;
 129 static GdkBitmap *noselectxpmmask;
 130
 131 static GdkPixmap *m_inboxxpm;
 132 static GdkBitmap *m_inboxxpmmask;
 133 static GdkPixmap *m_inboxhrmxpm;
 134 static GdkBitmap *m_inboxhrmxpmmask;
 135 static GdkPixmap *m_inboxopenxpm;
 136 static GdkBitmap *m_inboxopenxpmmask;
 137 static GdkPixmap *m_inboxopenhrmxpm;
 138 static GdkBitmap *m_inboxopenhrmxpmmask;
 139 static GdkPixmap *m_outboxxpm;
 140 static GdkBitmap *m_outboxxpmmask;
 141 static GdkPixmap *m_outboxhrmxpm;
 142 static GdkBitmap *m_outboxhrmxpmmask;
 143 static GdkPixmap *m_outboxopenxpm;
 144 static GdkBitmap *m_outboxopenxpmmask;
 145 static GdkPixmap *m_outboxopenhrmxpm;
 146 static GdkBitmap *m_outboxopenhrmxpmmask;
 147 static GdkPixmap *m_folderxpm;
 148 static GdkBitmap *m_folderxpmmask;
 149 static GdkPixmap *m_folderhrmxpm;
 150 static GdkBitmap *m_folderhrmxpmmask;
 151 static GdkPixmap *m_folderopenxpm;
 152 static GdkBitmap *m_folderopenxpmmask;
 153 static GdkPixmap *m_folderopenhrmxpm;
 154 static GdkBitmap *m_folderopenhrmxpmmask;
 155 static GdkPixmap *m_trashopenxpm;
 156 static GdkBitmap *m_trashopenxpmmask;
 157 static GdkPixmap *m_trashopenhrmxpm;
 158 static GdkBitmap *m_trashopenhrmxpmmask;
 159 static GdkPixmap *m_trashxpm;
 160 static GdkBitmap *m_trashxpmmask;
 161 static GdkPixmap *m_trashhrmxpm;
 162 static GdkBitmap *m_trashhrmxpmmask;
 163 static GdkPixmap *m_queuexpm;
 164 static GdkBitmap *m_queuexpmmask;
 165 static GdkPixmap *m_queuehrmxpm;
 166 static GdkBitmap *m_queuehrmxpmmask;
 167 static GdkPixmap *m_queueopenxpm;
 168 static GdkBitmap *m_queueopenxpmmask;
 169 static GdkPixmap *m_queueopenhrmxpm;
 170 static GdkBitmap *m_queueopenhrmxpmmask;
 171 static GdkPixmap *m_draftsxpm;
 172 static GdkBitmap *m_draftsxpmmask;
 173 static GdkPixmap *m_draftsopenxpm;
 174 static GdkBitmap *m_draftsopenxpmmask;
 175
 176 static GdkPixmap *newxpm;
 177 static GdkBitmap *newxpmmask;
 178 static GdkPixmap *unreadxpm;
 179 static GdkBitmap *unreadxpmmask;
 180 static GdkPixmap *readxpm;
 181 static GdkBitmap *readxpmmask;
 182
 183 static void folderview_select_node       (FolderView    *folderview,
 184                                           GtkCTreeNode  *node);
 185 static void folderview_set_folders       (FolderView    *folderview);
 186 static void folderview_sort_folders      (FolderView    *folderview,
 187                                           GtkCTreeNode  *root,
 188                                           Folder        *folder);
 189 static void folderview_append_folder     (FolderView    *folderview,
 190                                           Folder        *folder);
 191 static void folderview_update_node       (FolderView    *folderview,
 192                                           GtkCTreeNode  *node);
 193
 194 static gint folderview_clist_compare    (GtkCList       *clist,
 195                                          gconstpointer   ptr1,
 196                                          gconstpointer   ptr2);
 197
 198 /* callback functions */
 199 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_button_released      (GtkWidget      *ctree,
 203                                                  GdkEventButton *event,
 204                                                  FolderView     *folderview);
 205 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 206                                          GdkEventKey    *event,
 207                                          FolderView     *folderview);
 208 static void folderview_selected         (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *row,
 210                                          gint            column,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_expanded    (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 216                                          GtkCTreeNode   *node,
 217                                          FolderView     *folderview);
 218 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 219                                          FolderView     *folderview);
 220 static void folderview_col_resized      (GtkCList       *clist,
 221                                          gint            column,
 222                                          gint            width,
 223                                          FolderView     *folderview);
 224
 225 static void mark_all_read_cb            (FolderView    *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_empty_trash_cb   (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_send_queue_cb    (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static void folderview_search_cb        (FolderView     *folderview,
 238                                          guint           action,
 239                                          GtkWidget      *widget);
 240
 241 static void folderview_property_cb      (FolderView     *folderview,
 242                                          guint           action,
 243                                          GtkWidget      *widget);
 244
 245 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 246                                           GdkDragContext *context,
 247                                           gint            x,
 248                                           gint            y,
 249                                           guint           time,
 250                                           FolderView     *folderview);
 251 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 252                                           GdkDragContext   *context,
 253                                           guint             time,
 254                                           FolderView       *folderview);
 255 static void folderview_drag_received_cb  (GtkWidget        *widget,
 256                                           GdkDragContext   *drag_context,
 257                                           gint              x,
 258                                           gint              y,
 259                                           GtkSelectionData *data,
 260                                           guint             info,
 261                                           guint             time,
 262                                           FolderView       *folderview);
 263 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 264                                           FolderView       *folderview);
 265 static void folderview_drag_data_get     (GtkWidget        *widget,
 266                                           GdkDragContext   *drag_context,
 267                                           GtkSelectionData *selection_data,
 268                                           guint             info,
 269                                           guint             time,
 270                                           FolderView       *folderview);
 271 static void folderview_drag_end_cb       (GtkWidget        *widget,
 272                                           GdkDragContext   *drag_context,
 273                                           FolderView       *folderview);
 274
 275 static void folderview_create_folder_node       (FolderView       *folderview,
 276                                           FolderItem       *item);
 277 static gboolean folderview_update_folder         (gpointer          source,
 278                                           gpointer          userdata);
 279 static gboolean folderview_update_item_claws     (gpointer          source,
 280                                           gpointer          data);
 281 static void folderview_processing_cb(FolderView *folderview, guint action,
 282                                      GtkWidget *widget);
 283 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 284                                 GdkEventButton *event);
 285
 286 GHashTable *folderview_popups;
 287
 288 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 289 {
 290         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 291         {"/---",                        NULL, NULL, 0, "<Separator>"},
 292         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 293         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 294         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 295 };
 296
 297 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 298         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 299         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 300 };
 301
 302 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 303         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 304         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 305 };
 306
 307
 308 GtkTargetEntry folderview_drag_types[] =
 309 {
 310         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 311         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 312 };
 313
 314 void folderview_initialize(void)
 315 {
 316         FolderViewPopup *fpopup;
 317         guint i, n_entries;
 318         GSList *entries = NULL;
 319
 320         fpopup = g_new0(FolderViewPopup, 1);
 321
 322         n_entries = sizeof(folderview_common_popup_entries) /
 323                 sizeof(folderview_common_popup_entries[0]);
 324         for (i = 0; i < n_entries; i++)
 325                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 326
 327         fpopup->klass = "common";
 328         fpopup->path = "<CommonFolder>";
 329         fpopup->entries = entries;
 330         fpopup->set_sensitivity = NULL;
 331
 332         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 333         g_hash_table_insert(folderview_popups, "common", fpopup);
 334 }
 335
 336 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 337 {
 338         GSList *entries;
 339         GtkItemFactory *factory;
 340         FolderViewPopup *fpopup_common;
 341         GtkWidget *popup;
 342
 343         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 344         gtk_item_factory_set_translate_func(factory, menu_translate,
 345                                             NULL, NULL);
 346
 347         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 348                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 349
 350         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 351         if (fpopup_common != fpopup)
 352                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 353                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 354
 355         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 356         g_signal_connect(G_OBJECT(popup), "selection_done",
 357                          G_CALLBACK(folderview_popup_close),
 358                          folderview);
 359
 360         return factory;
 361 }
 362
 363 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 364 {
 365         FolderView *folderview = data;
 366         FolderViewPopup *fpopup = value;
 367         GtkItemFactory *factory;
 368
 369         factory = create_ifactory(folderview, fpopup);
 370         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 371 }
 372
 373 static void folderview_column_set_titles(FolderView *folderview)
 374 {
 375         GtkWidget *ctree = folderview->ctree;
 376         GtkWidget *label_new;
 377         GtkWidget *label_unread;
 378         GtkWidget *label_total;
 379         GtkWidget *hbox_new;
 380         GtkWidget *hbox_unread;
 381         GtkWidget *hbox_total;
 382         gint *col_pos = folderview->col_pos;
 383
 384         debug_print("setting titles...\n");
 385         gtk_widget_realize(folderview->ctree);
 386         gtk_widget_show_all(folderview->scrolledwin);
 387
 388         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 389          * instead text (text overflows making them unreadable and ugly) */
 390         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 391                          &newxpm, &newxpmmask);
 392         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 393                          &unreadxpm, &unreadxpmmask);
 394         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 395                          &readxpm, &readxpmmask);
 396
 397         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 398         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 399         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 400
 401         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 402
 403         hbox_new = gtk_hbox_new(FALSE, 4);
 404         hbox_unread = gtk_hbox_new(FALSE, 4);
 405         hbox_total = gtk_hbox_new(FALSE, 4);
 406
 407         /* left justified */
 408         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 409         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 410         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 411         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 412         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 413         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 414
 415         gtk_widget_show_all(hbox_new);
 416         gtk_widget_show_all(hbox_unread);
 417         gtk_widget_show_all(hbox_total);
 418
 419         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 420         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 421         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 422
 423         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 424         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 425         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 426 }
 427
 428 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 429 {
 430         FolderView *folderview = (FolderView *)data;
 431         GdkEventButton event;
 432         if (folderview_get_selected_item(folderview) == NULL)
 433                 return FALSE;
 434
 435         event.button = 3;
 436         event.time = gtk_get_current_event_time();
 437
 438         folderview_set_sens_and_popup_menu(folderview, -1,
 439                                 &event);
 440
 441         return TRUE;
 442 }
 443
 444
 445 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 446 {
 447         GtkWidget *ctree;
 448         gint *col_pos;
 449         FolderColumnState *col_state;
 450         FolderColumnType type;
 451         gchar *titles[N_FOLDER_COLS];
 452         gint i;
 453         GtkWidget *scrolledwin = folderview->scrolledwin;
 454
 455         debug_print("creating tree...\n");
 456         memset(titles, 0, sizeof(titles));
 457
 458         col_state = prefs_folder_column_get_config();
 459         memset(titles, 0, sizeof(titles));
 460
 461         col_pos = folderview->col_pos;
 462
 463         for (i = 0; i < N_FOLDER_COLS; i++) {
 464                 folderview->col_state[i] = col_state[i];
 465                 type = col_state[i].type;
 466                 col_pos[type] = i;
 467         }
 468
 469         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 470         titles[col_pos[F_COL_NEW]]    = _("New");
 471         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 472         /* TRANSLATORS: This in Number sign in American style */
 473         titles[col_pos[F_COL_TOTAL]]  = _("#");
 474
 475         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 476                                            titles);
 477
 478         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 479         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 480                                            GTK_JUSTIFY_RIGHT);
 481         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 482                                            col_pos[F_COL_UNREAD],
 483                                            GTK_JUSTIFY_RIGHT);
 484         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 485                                            col_pos[F_COL_TOTAL],
 486                                            GTK_JUSTIFY_RIGHT);
 487         if (prefs_common.enable_dotted_lines) {
 488                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 489                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 490                                      GTK_CTREE_EXPANDER_SQUARE);
 491         } else {
 492                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 493                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 494                                      GTK_CTREE_EXPANDER_TRIANGLE);
 495         }
 496
 497         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 498         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 499
 500         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 501         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 502
 503         /* don't let title buttons take key focus */
 504         for (i = 0; i < N_FOLDER_COLS; i++) {
 505                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 506                                        GTK_CAN_FOCUS);
 507                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 508                                    prefs_common.folder_col_size[i]);
 509                 gtk_clist_set_column_visibility
 510                         (GTK_CLIST(ctree), i, col_state[i].visible);
 511         }
 512
 513         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 514                          G_CALLBACK(folderview_key_pressed),
 515                          folderview);
 516         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 517                          G_CALLBACK(folderview_button_pressed),
 518                          folderview);
 519 #ifndef MAEMO
 520         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 521                          G_CALLBACK(folderview_popup_menu), folderview);
 522 #else
 523         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 524                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 525         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 526                          G_CALLBACK(folderview_popup_menu), folderview);
 527 #endif
 528         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 529                          G_CALLBACK(folderview_button_released),
 530                          folderview);
 531         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 532                          G_CALLBACK(folderview_selected), folderview);
 533         g_signal_connect(G_OBJECT(ctree), "start_drag",
 534                          G_CALLBACK(folderview_start_drag), folderview);
 535         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 536                          G_CALLBACK(folderview_drag_data_get),
 537                          folderview);
 538
 539         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 540                                G_CALLBACK(folderview_tree_expanded),
 541                                folderview);
 542         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 543                                G_CALLBACK(folderview_tree_collapsed),
 544                                folderview);
 545
 546         g_signal_connect(G_OBJECT(ctree), "resize_column",
 547                          G_CALLBACK(folderview_col_resized),
 548                          folderview);
 549
 550         /* drop callback */
 551         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 552                           folderview_drag_types, 2,
 553                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 554         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 555                          G_CALLBACK(folderview_drag_motion_cb),
 556                          folderview);
 557         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 558                          G_CALLBACK(folderview_drag_leave_cb),
 559                          folderview);
 560         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 561                          G_CALLBACK(folderview_drag_received_cb),
 562                          folderview);
 563         g_signal_connect(G_OBJECT(ctree), "drag_end",
 564                          G_CALLBACK(folderview_drag_end_cb),
 565                          folderview);
 566
 567         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 568
 569         return ctree;
 570 }
 571
 572 void folderview_set_column_order(FolderView *folderview)
 573 {
 574         GtkWidget *ctree;
 575         FolderItem *item = folderview_get_selected_item(folderview);
 576         GtkWidget *scrolledwin = folderview->scrolledwin;
 577
 578         debug_print("recreating tree...\n");
 579         gtk_widget_destroy(folderview->ctree);
 580
 581         folderview->ctree = ctree = folderview_ctree_create(folderview);
 582         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 583                                             GTK_CLIST(ctree)->hadjustment);
 584         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 585                                             GTK_CLIST(ctree)->vadjustment);
 586         gtk_widget_show(ctree);
 587
 588         folderview_set(folderview);
 589         folderview_column_set_titles(folderview);
 590
 591         folderview_select(folderview,item);
 592 }
 593
 594 FolderView *folderview_create(void)
 595 {
 596         FolderView *folderview;
 597         GtkWidget *scrolledwin;
 598         GtkWidget *ctree;
 599
 600         debug_print("Creating folder view...\n");
 601         folderview = g_new0(FolderView, 1);
 602
 603         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 604         gtk_scrolled_window_set_policy
 605                 (GTK_SCROLLED_WINDOW(scrolledwin),
 606                  GTK_POLICY_AUTOMATIC,
 607                  prefs_common.folderview_vscrollbar_policy);
 608         gtk_widget_set_size_request(scrolledwin,
 609                              prefs_common.folderview_width,
 610                              prefs_common.folderview_height);
 611
 612         folderview->scrolledwin  = scrolledwin;
 613         ctree = folderview_ctree_create(folderview);
 614
 615         /* create popup factories */
 616         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 617         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 618
 619         folderview->ctree        = ctree;
 620
 621         folderview->folder_update_callback_id =
 622                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 623         folderview->folder_item_update_callback_id =
 624                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 625
 626         gtk_widget_show_all(scrolledwin);
 627
 628         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 629         folderview_list = g_list_append(folderview_list, folderview);
 630         folderview->deferred_refresh_id = -1;
 631
 632         return folderview;
 633 }
 634
 635 void folderview_init(FolderView *folderview)
 636 {
 637         GtkWidget *ctree = folderview->ctree;
 638         GdkColor gdk_color;
 639
 640         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 641         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 642         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 643         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 644         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 645         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 646         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 647         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 648         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 649         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 650         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 651         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 652         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 653         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 654         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 655         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 656         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 657         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 658         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 659         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 660         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 661         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 662         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 663
 664         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 686
 687         if (!normal_style) {
 688                 PangoFontDescription *font_desc;
 689                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 690                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 691                 if (font_desc) {
 692                         if (normal_style->font_desc)
 693                                 pango_font_description_free
 694                                         (normal_style->font_desc);
 695                         normal_style->font_desc = font_desc;
 696                 }
 697                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 698                 normal_color_style = gtk_style_copy(normal_style);
 699                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 700
 701                 gtk_widget_set_style(ctree, normal_style);
 702         }
 703
 704         if (!bold_style) {
 705                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 706                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 707                 pango_font_description_set_weight
 708                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 709                 bold_color_style = gtk_style_copy(bold_style);
 710                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 711
 712                 bold_tgtfold_style = gtk_style_copy(bold_style);
 713                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 714         }
 715 }
 716
 717 static gboolean folderview_defer_set(gpointer data)
 718 {
 719         FolderView *folderview = (FolderView *)data;
 720         MainWindow *mainwin = folderview->mainwin;
 721
 722         if (!mainwin)
 723                 return FALSE;
 724         if (mainwin->lock_count)
 725                 return TRUE;
 726
 727         printf("doing deferred folderview_set now\n");
 728         folderview_set(folderview);
 729
 730         folderview->deferred_refresh_id = -1;
 731         return FALSE;
 732 }
 733
 734 void folderview_set(FolderView *folderview)
 735 {
 736         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 737         MainWindow *mainwin = folderview->mainwin;
 738         FolderItem *sel_item = NULL, *op_item = NULL;
 739
 740         if (!mainwin)
 741                 return;
 742
 743         if (mainwin->lock_count) {
 744                 if (folderview->deferred_refresh_id == -1)
 745                         folderview->deferred_refresh_id =
 746                                 g_timeout_add(500, folderview_defer_set, folderview);
 747                 printf("deferred folderview_set\n");
 748                 return;
 749         }
 750
 751         inc_lock();
 752         debug_print("Setting folder info...\n");
 753         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 754
 755         main_window_cursor_wait(mainwin);
 756
 757         if (folderview->selected)
 758                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 759         if (folderview->opened)
 760                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 761
 762         folderview->selected = NULL;
 763         folderview->opened = NULL;
 764
 765         gtk_clist_freeze(GTK_CLIST(ctree));
 766         gtk_clist_clear(GTK_CLIST(ctree));
 767
 768         folderview_set_folders(folderview);
 769
 770         if (sel_item)
 771                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 772         if (op_item)
 773                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 774
 775         gtk_clist_thaw(GTK_CLIST(ctree));
 776         main_window_cursor_normal(mainwin);
 777         STATUSBAR_POP(mainwin);
 778         inc_unlock();
 779 }
 780
 781 void folderview_set_all(void)
 782 {
 783         GList *list;
 784
 785         for (list = folderview_list; list != NULL; list = list->next)
 786                 folderview_set((FolderView *)list->data);
 787 }
 788
 789 void folderview_select(FolderView *folderview, FolderItem *item)
 790 {
 791         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 792         GtkCTreeNode *node;
 793         GtkCTreeNode *old_selected = folderview->selected;
 794
 795         if (!item) return;
 796
 797         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 798         if (node) folderview_select_node(folderview, node);
 799
 800         if (old_selected != node)
 801                 folder_update_op_count();
 802 }
 803
 804 static void mark_all_read_cb(FolderView *folderview, guint action,
 805                              GtkWidget *widget)
 806 {
 807         FolderItem *item;
 808         AlertValue val;
 809
 810         item = folderview_get_selected_item(folderview);
 811         if (item == NULL)
 812                 return;
 813
 814         if (folderview->summaryview->folder_item != item
 815         &&  prefs_common.ask_mark_all_read) {
 816                 val = alertpanel_full(_("Mark all as read"),
 817                         _("Do you really want to mark all mails in this "
 818                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 819                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 820
 821                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 822                         return;
 823                 else if (val & G_ALERTDISABLE)
 824                         prefs_common.ask_mark_all_read = FALSE;
 825         }
 826
 827         summary_lock(folderview->summaryview);
 828         folder_item_update_freeze();
 829         if (folderview->summaryview->folder_item == item)
 830                 summary_freeze(folderview->summaryview);
 831         folderutils_mark_all_read(item);
 832         if (folderview->summaryview->folder_item == item)
 833                 summary_thaw(folderview->summaryview);
 834         folder_item_update_thaw();
 835         summary_unlock(folderview->summaryview);
 836 }
 837
 838 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 839 {
 840         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 841
 842         g_return_if_fail(node != NULL);
 843
 844         if (folderview->open_folder) {
 845                 return;
 846         }
 847
 848         folderview->open_folder = TRUE;
 849         gtkut_ctree_set_focus_row(ctree, node);
 850         gtk_ctree_select(ctree, node);
 851         if (folderview->summaryview->folder_item &&
 852             folderview->summaryview->folder_item->total_msgs > 0)
 853                 summary_grab_focus(folderview->summaryview);
 854         else
 855                 gtk_widget_grab_focus(folderview->ctree);
 856
 857         gtkut_ctree_expand_parent_all(ctree, node);
 858 }
 859
 860 void folderview_unselect(FolderView *folderview)
 861 {
 862         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 863                 gtk_ctree_collapse
 864                         (GTK_CTREE(folderview->ctree), folderview->opened);
 865
 866         folderview->selected = folderview->opened = NULL;
 867 }
 868
 869 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 870                                                  GtkCTreeNode *node)
 871 {
 872         FolderItem *item;
 873
 874         if (node)
 875                 node = gtkut_ctree_node_next(ctree, node);
 876         else
 877                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 878
 879         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 880                 item = gtk_ctree_node_get_row_data(ctree, node);
 881                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 882                         return node;
 883         }
 884
 885         return NULL;
 886 }
 887
 888 void folderview_select_next_marked(FolderView *folderview)
 889 {
 890         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 891         GtkCTreeNode *node = NULL;
 892         SelectOnEntry last_sel = prefs_common.select_on_entry;
 893         gboolean last_open = prefs_common.always_show_msg;
 894
 895         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 896         prefs_common.always_show_msg = TRUE;
 897
 898         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 899             != NULL) {
 900                 folderview_select_node(folderview, node);
 901                 goto out;
 902         }
 903
 904         if (!folderview->opened ||
 905             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 906                 goto out;
 907         }
 908         /* search again from the first node */
 909         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 910                 folderview_select_node(folderview, node);
 911
 912 out:
 913         prefs_common.select_on_entry = last_sel;
 914         prefs_common.always_show_msg = last_open;
 915 }
 916
 917 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 918                                                  GtkCTreeNode *node)
 919 {
 920         FolderItem *item;
 921
 922         if (node)
 923                 node = gtkut_ctree_node_next(ctree, node);
 924         else
 925                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 926
 927         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 928                 item = gtk_ctree_node_get_row_data(ctree, node);
 929                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 930                         return node;
 931         }
 932
 933         return NULL;
 934 }
 935
 936 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 937 {
 938         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 939         GtkCTreeNode *node = NULL;
 940         SelectOnEntry last_sel = prefs_common.select_on_entry;
 941         gboolean last_open = prefs_common.always_show_msg;
 942
 943         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 944         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 945
 946         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 947             != NULL) {
 948                 folderview_select_node(folderview, node);
 949                 goto out;
 950         }
 951
 952         if (!folderview->opened ||
 953             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 954                 goto out;
 955         }
 956         /* search again from the first node */
 957         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 958                 folderview_select_node(folderview, node);
 959
 960 out:
 961         prefs_common.select_on_entry = last_sel;
 962         prefs_common.always_show_msg = last_open;
 963 }
 964
 965 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 966                                                  GtkCTreeNode *node)
 967 {
 968         FolderItem *item;
 969
 970         if (node)
 971                 node = gtkut_ctree_node_next(ctree, node);
 972         else
 973                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 974
 975         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 976                 item = gtk_ctree_node_get_row_data(ctree, node);
 977                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 978                         return node;
 979         }
 980
 981         return NULL;
 982 }
 983
 984 void folderview_select_next_new(FolderView *folderview)
 985 {
 986         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 987         GtkCTreeNode *node = NULL;
 988         SelectOnEntry last_sel = prefs_common.select_on_entry;
 989         gboolean last_open = prefs_common.always_show_msg;
 990
 991         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 992         prefs_common.always_show_msg = TRUE;
 993
 994         if ((node = folderview_find_next_new(ctree, folderview->opened))
 995             != NULL) {
 996                 folderview_select_node(folderview, node);
 997                 goto out;
 998         }
 999
1000         if (!folderview->opened ||
1001             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1002                 goto out;
1003         }
1004         /* search again from the first node */
1005         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1006                 folderview_select_node(folderview, node);
1007
1008 out:
1009         prefs_common.select_on_entry = last_sel;
1010         prefs_common.always_show_msg = last_open;
1011 }
1012
1013 FolderItem *folderview_get_selected_item(FolderView *folderview)
1014 {
1015         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1016
1017         if (!folderview->selected) return NULL;
1018         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1019 }
1020
1021 static void folderview_set_folders(FolderView *folderview)
1022 {
1023         GList *list;
1024         list = folder_get_list();
1025
1026         for (; list != NULL; list = list->next) {
1027                 folderview_append_folder(folderview, FOLDER(list->data));
1028         }
1029 }
1030
1031 static gchar *get_scan_str(FolderItem *item)
1032 {
1033         if (item->path)
1034                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1035                                       item->folder->name, G_DIR_SEPARATOR,
1036                                       item->path);
1037         else
1038                 return g_strdup_printf(_("Scanning folder %s ..."),
1039                                       item->folder->name);
1040 }
1041 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1042                                       gpointer data)
1043 {
1044         GList *list;
1045         for (list = folderview_list; list != NULL; list = list->next) {
1046                 FolderView *folderview = (FolderView *)list->data;
1047                 MainWindow *mainwin = folderview->mainwin;
1048                 gchar *str = get_scan_str(item);
1049
1050                 STATUSBAR_PUSH(mainwin, str);
1051                 STATUSBAR_POP(mainwin);
1052                 g_free(str);
1053         }
1054 }
1055
1056 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1057 {
1058         GtkWidget *window;
1059         MainWindow *mainwin = mainwindow_get_mainwindow();
1060         FolderView *folderview = NULL;
1061         GtkAdjustment *pos = NULL;
1062         gint height = 0;
1063
1064         g_return_if_fail(folder != NULL);
1065
1066         if (!folder->klass->scan_tree) return;
1067
1068         if (rebuild &&
1069             alertpanel_full(_("Rebuild folder tree"),
1070                          _("Rebuilding the folder tree will remove "
1071                            "local caches. Do you want to continue?"),
1072                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1073                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1074                 != G_ALERTALTERNATE) {
1075                 return;
1076         }
1077
1078         inc_lock();
1079         if (rebuild)
1080                 window = label_window_create(_("Rebuilding folder tree..."));
1081         else
1082                 window = label_window_create(_("Scanning folder tree..."));
1083
1084         if (mainwin)
1085                 folderview = mainwin->folderview;
1086
1087         if (folderview) {
1088                 pos = gtk_scrolled_window_get_vadjustment(
1089                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1090                 height = pos->value;
1091         }
1092
1093         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1094         folder_scan_tree(folder, rebuild);
1095         folder_set_ui_func(folder, NULL, NULL);
1096
1097         folderview_set_all();
1098
1099         if (folderview) {
1100                 pos = gtk_scrolled_window_get_vadjustment(
1101                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1102                 gtk_adjustment_set_value(pos, height);
1103         }
1104         label_window_destroy(window);
1105         inc_unlock();
1106 }
1107
1108 void folderview_fast_rescan_tree(Folder *folder)
1109 {
1110         GtkWidget *window;
1111         MainWindow *mainwin = mainwindow_get_mainwindow();
1112         FolderView *folderview = NULL;
1113         GtkAdjustment *pos = NULL;
1114         gint height = 0;
1115
1116         g_return_if_fail(folder != NULL);
1117
1118         if (!folder->klass->scan_tree) return;
1119
1120         inc_lock();
1121
1122         window = label_window_create(_("Scanning folder tree..."));
1123
1124         if (mainwin)
1125                 folderview = mainwin->folderview;
1126
1127         if (folderview) {
1128                 pos = gtk_scrolled_window_get_vadjustment(
1129                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1130                 height = pos->value;
1131         }
1132
1133         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1134         folder_fast_scan_tree(folder);
1135         folder_set_ui_func(folder, NULL, NULL);
1136
1137         folderview_set_all();
1138
1139         if (folderview) {
1140                 pos = gtk_scrolled_window_get_vadjustment(
1141                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1142                 gtk_adjustment_set_value(pos, height);
1143         }
1144         label_window_destroy(window);
1145         inc_unlock();
1146 }
1147
1148 /** folderview_check_new()
1149  *  Scan and update the folder and return the
1150  *  count the number of new messages since last check.
1151  *  \param folder the folder to check for new messages
1152  *  \return the number of new messages since last check
1153  */
1154 gint folderview_check_new(Folder *folder)
1155 {
1156         GList *list;
1157         FolderItem *item;
1158         FolderView *folderview;
1159         GtkCTree *ctree;
1160         GtkCTreeNode *node;
1161         gint new_msgs = 0;
1162         gint former_new_msgs = 0;
1163         gint former_new = 0, former_unread = 0, former_total;
1164
1165         for (list = folderview_list; list != NULL; list = list->next) {
1166                 folderview = (FolderView *)list->data;
1167                 ctree = GTK_CTREE(folderview->ctree);
1168
1169                 inc_lock();
1170                 main_window_lock(folderview->mainwin);
1171
1172                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1173                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1174                         gchar *str = NULL;
1175                         item = gtk_ctree_node_get_row_data(ctree, node);
1176                         if (!item || !item->path || !item->folder) continue;
1177                         if (item->no_select) continue;
1178                         if (folder && folder != item->folder) continue;
1179                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1180                         if (!item->prefs->newmailcheck) continue;
1181                         if (item->processing_pending == TRUE) {
1182                                 debug_print("skipping %s, processing pending\n",
1183                                         item->path ? item->path : item->name);
1184                                 continue;
1185                         }
1186
1187                         str = get_scan_str(item);
1188
1189                         STATUSBAR_PUSH(folderview->mainwin, str);
1190                         GTK_EVENTS_FLUSH();
1191                         g_free(str);
1192
1193                         folderview_scan_tree_func(item->folder, item, NULL);
1194                         former_new    = item->new_msgs;
1195                         former_unread = item->unread_msgs;
1196                         former_total  = item->total_msgs;
1197
1198                         if (item->folder->klass->scan_required &&
1199                             (item->folder->klass->scan_required(item->folder, item) ||
1200                              item->folder->inbox == item ||
1201                              item->opened == TRUE ||
1202                              item->processing_pending == TRUE)) {
1203                                 if (folder_item_scan(item) < 0) {
1204                                         if (folder) {
1205                                                 summaryview_unlock(folderview->summaryview, item);
1206                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1207                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1208                                                                 item->path ? item->path:item->name);
1209                                                         continue;
1210                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1211                                                         STATUSBAR_POP(folderview->mainwin);
1212                                                         break;
1213                                                 }
1214                                         }
1215                                 }
1216                         } else if (!item->folder->klass->scan_required) {
1217                                 if (folder_item_scan(item) < 0) {
1218                                         summaryview_unlock(folderview->summaryview, item);
1219                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1220                                                 STATUSBAR_POP(folderview->mainwin);
1221                                                 break;
1222                                         }
1223                                 }
1224                         }
1225                         if (former_new    != item->new_msgs ||
1226                             former_unread != item->unread_msgs ||
1227                             former_total  != item->total_msgs)
1228                                 folderview_update_node(folderview, node);
1229
1230                         new_msgs += item->new_msgs;
1231                         former_new_msgs += former_new;
1232                         STATUSBAR_POP(folderview->mainwin);
1233                 }
1234
1235                 main_window_unlock(folderview->mainwin);
1236                 inc_unlock();
1237         }
1238
1239         folder_write_list();
1240         /* Number of new messages since last check is the just the difference
1241          * between former_new_msgs and new_msgs. If new_msgs is less than
1242          * former_new_msgs, that would mean another session accessed the folder
1243          * and the result is not well defined.
1244          */
1245         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1246         return new_msgs;
1247 }
1248
1249 void folderview_check_new_all(void)
1250 {
1251         GList *list;
1252         GtkWidget *window;
1253         FolderView *folderview;
1254
1255         folderview = (FolderView *)folderview_list->data;
1256
1257         inc_lock();
1258         main_window_lock(folderview->mainwin);
1259         window = label_window_create
1260                 (_("Checking for new messages in all folders..."));
1261
1262         list = folder_get_list();
1263         for (; list != NULL; list = list->next) {
1264                 Folder *folder = list->data;
1265
1266                 folderview_check_new(folder);
1267         }
1268
1269         folder_write_list();
1270         folderview_set_all();
1271
1272         label_window_destroy(window);
1273         main_window_unlock(folderview->mainwin);
1274         inc_unlock();
1275 }
1276
1277 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1278                                                  FolderItem *item,
1279                                                  gboolean in_sub)
1280 {
1281         GNode *node = NULL;
1282
1283         if (!item || !item->folder || !item->folder->node)
1284                 return FALSE;
1285
1286         node = item->folder->node;
1287
1288         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1289         node = node->children;
1290
1291         if (in_sub &&
1292             (item->new_msgs > 0 ||
1293             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1294                 return TRUE;
1295         }
1296
1297         while (node != NULL) {
1298                 if (node && node->data) {
1299                         FolderItem *next_item = (FolderItem*) node->data;
1300                         node = node->next;
1301                         if (folderview_have_new_children_sub(folderview,
1302                                                              next_item, TRUE))
1303                                 return TRUE;
1304                 }
1305         }
1306
1307         return FALSE;
1308 }
1309
1310 static gboolean folderview_have_new_children(FolderView *folderview,
1311                                              FolderItem *item)
1312 {
1313         return folderview_have_new_children_sub(folderview, item, FALSE);
1314 }
1315
1316 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1317                                                     FolderItem *item,
1318                                                     gboolean in_sub)
1319 {
1320         GNode *node = NULL;
1321
1322         if (!item || !item->folder || !item->folder->node)
1323                 return FALSE;
1324
1325         node = item->folder->node;
1326
1327         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1328         node = node->children;
1329
1330         if (in_sub &&
1331             (item->unread_msgs > 0 ||
1332             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1333                 return TRUE;
1334         }
1335
1336         while (node != NULL) {
1337                 if (node && node->data) {
1338                         FolderItem *next_item = (FolderItem*) node->data;
1339                         node = node->next;
1340                         if (folderview_have_unread_children_sub(folderview,
1341                                                                 next_item,
1342                                                                 TRUE))
1343                                 return TRUE;
1344                 }
1345         }
1346
1347         return FALSE;
1348 }
1349
1350 static gboolean folderview_have_unread_children(FolderView *folderview,
1351                                                 FolderItem *item)
1352 {
1353         return folderview_have_unread_children_sub(folderview, item, FALSE);
1354 }
1355
1356 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1357                                                       FolderItem *item,
1358                                                       gboolean in_sub)
1359 {
1360         GNode *node = NULL;
1361
1362         if (!item || !item->folder || !item->folder->node)
1363                 return FALSE;
1364
1365         node = item->folder->node;
1366
1367         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1368         node = node->children;
1369
1370         if (in_sub && item->search_match){
1371                 return TRUE;
1372         }
1373
1374         while (node != NULL) {
1375                 if (node && node->data) {
1376                         FolderItem *next_item = (FolderItem*) node->data;
1377                         node = node->next;
1378                         if (folderview_have_matching_children_sub(folderview,
1379                                                                   next_item,
1380                                                                   TRUE))
1381                                 return TRUE;
1382                 }
1383         }
1384
1385         return FALSE;
1386 }
1387
1388 static gboolean folderview_have_matching_children(FolderView *folderview,
1389                                                   FolderItem *item)
1390 {
1391         return folderview_have_matching_children_sub(folderview, item, FALSE);
1392 }
1393
1394 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1395                                                     FolderItem *item,
1396                                                     gboolean in_sub)
1397 {
1398         GNode *node = NULL;
1399
1400         if (!item || !item->folder || !item->folder->node)
1401                 return FALSE;
1402
1403         node = item->folder->node;
1404
1405         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1406         node = node->children;
1407
1408         if (item->marked_msgs != 0) {
1409                 return TRUE;
1410         }
1411
1412         while (node != NULL) {
1413                 if (node && node->data) {
1414                         FolderItem *next_item = (FolderItem*) node->data;
1415                         node = node->next;
1416                         if (folderview_have_marked_children_sub(folderview,
1417                                                                 next_item, TRUE))
1418                                 return TRUE;
1419                 }
1420         }
1421
1422         return FALSE;
1423 }
1424
1425 static gboolean folderview_have_marked_children(FolderView *folderview,
1426                                              FolderItem *item)
1427 {
1428         return folderview_have_marked_children_sub(folderview, item, FALSE);
1429 }
1430
1431 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1432 {
1433         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1434         GtkStyle *style = NULL;
1435         GtkStyle *color_style = NULL;
1436         FolderItem *item;
1437         GdkPixmap *xpm, *openxpm;
1438         GdkBitmap *mask, *openmask;
1439         static GdkPixmap *searchicon;
1440         static GdkBitmap *searchmask;
1441         gboolean mark = FALSE;
1442         gchar *name;
1443         gchar *str;
1444         gboolean add_unread_mark;
1445         gboolean add_sub_match_mark;
1446         gboolean use_bold, use_color;
1447         gint *col_pos = folderview->col_pos;
1448         SpecialFolderItemType stype;
1449
1450         item = gtk_ctree_node_get_row_data(ctree, node);
1451         g_return_if_fail(item != NULL);
1452
1453         if (!GTK_CTREE_ROW(node)->expanded)
1454                 mark = folderview_have_marked_children(folderview, item);
1455         else
1456                 mark = (item->marked_msgs != 0);
1457
1458         stype = item->stype;
1459         if (stype == F_NORMAL) {
1460                 if (folder_has_parent_of_type(item, F_TRASH))
1461                         stype = F_TRASH;
1462                 else if (folder_has_parent_of_type(item, F_DRAFT))
1463                         stype = F_DRAFT;
1464                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1465                         stype = F_OUTBOX;
1466                 else if (folder_has_parent_of_type(item, F_QUEUE))
1467                         stype = F_QUEUE;
1468         }
1469         switch (stype) {
1470         case F_INBOX:
1471                 if (item->hide_read_msgs) {
1472                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1473                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1474                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1475                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1476                 } else {
1477                         xpm = mark?m_inboxxpm:inboxxpm;
1478                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1479                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1480                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1481                 }
1482                 break;
1483         case F_OUTBOX:
1484                 if (item->hide_read_msgs) {
1485                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1486                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1487                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1488                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1489                 } else {
1490                         xpm = mark?m_outboxxpm:outboxxpm;
1491                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1492                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1493                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1494                 }
1495                 break;
1496         case F_QUEUE:
1497                 if (item->hide_read_msgs) {
1498                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1499                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1500                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1501                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1502                 } else {
1503                         xpm = mark?m_queuexpm:queuexpm;
1504                         mask = mark?m_queuexpmmask:queuexpmmask;
1505                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1506                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1507                 }
1508                 break;
1509         case F_TRASH:
1510                 if (item->hide_read_msgs) {
1511                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1512                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1513                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1514                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1515                 } else {
1516                         xpm = mark?m_trashxpm:trashxpm;
1517                         mask = mark?m_trashxpmmask:trashxpmmask;
1518                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1519                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1520                 }
1521                 break;
1522         case F_DRAFT:
1523                 xpm = mark?m_draftsxpm:draftsxpm;
1524                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1525                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1526                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1527                 break;
1528         default:
1529                 if (item->hide_read_msgs) {
1530                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1531                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1532                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1533                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1534                 } else {
1535                         xpm = mark?m_folderxpm:folderxpm;
1536                         mask = mark?m_folderxpmmask:folderxpmmask;
1537                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1538                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1539                 }
1540         }
1541
1542         if (item->no_select) {
1543                 xpm = openxpm = noselectxpm;
1544                 mask = openmask = noselectxpmmask;
1545         }
1546
1547         name = folder_item_get_name(item);
1548
1549         if (!GTK_CTREE_ROW(node)->expanded) {
1550                 add_unread_mark = folderview_have_unread_children(
1551                                         folderview, item);
1552                 add_sub_match_mark = folderview_have_matching_children(
1553                                         folderview, item);
1554         } else {
1555                 add_unread_mark = FALSE;
1556                 add_sub_match_mark = FALSE;
1557         }
1558
1559         if (item->search_match) {
1560                 if (!searchicon) {
1561                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1562                          &searchicon, &searchmask);
1563                 }
1564                 xpm = openxpm = searchicon;
1565                 mask = openmask = searchmask;
1566         }
1567
1568         str = NULL;
1569         if (prefs_common.display_folder_unread) {
1570                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1571                         /* only total_msgs matters here */
1572                         if (item->total_msgs > 0) {
1573                                 /* show total number (should be equal to the unread number)
1574                                    and signs if any */
1575                                 str = g_strdup_printf("%s (%d%s%s)",
1576                                                         name, item->total_msgs,
1577                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1578                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1579                         }
1580         } else {
1581                         if (prefs_common.display_folder_unread == 1) {
1582                                 if (item->unread_msgs > 0) {
1583                                         /* show unread number and signs */
1584                                         str = g_strdup_printf("%s (%d%s%s)",
1585                                                                 name, item->unread_msgs,
1586                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1587                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1588                                 }
1589                         } else {
1590                                 if (item->total_msgs > 0) {
1591                                         /* show unread number, total number and signs if any */
1592                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1593                                                                 name, item->unread_msgs, item->total_msgs,
1594                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1595                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1596                                 }
1597                         }
1598                 }
1599                 if ((str == NULL) &&
1600                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1601                         /* no unread/total numbers, but at least one sign */
1602                         str = g_strdup_printf("%s (%s%s)",
1603                                                 name,
1604                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1605                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1606                 }
1607         }
1608         if (str == NULL) {
1609                 /* last fallback, folder name only or with ! sign */
1610                 str = g_strdup_printf("%s%s",
1611                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1612         }
1613                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1614                                         xpm, mask, openxpm, openmask,
1615                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1616                 g_free(str);
1617         g_free(name);
1618
1619         if (!folder_item_parent(item)) {
1620                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1621                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1622                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1623         } else {
1624                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1625                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1626                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1627         }
1628
1629         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1630             folder_has_parent_of_type(item, F_DRAFT) ||
1631             folder_has_parent_of_type(item, F_TRASH)) {
1632                 use_bold = use_color = FALSE;
1633         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1634                 /* highlight queue folder if there are any messages */
1635                 use_bold = use_color = (item->total_msgs > 0);
1636         } else {
1637                 /* if unread messages exist, print with bold font */
1638                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1639                                 || add_unread_mark;
1640                 /* if new messages exist, print with colored letter */
1641                 use_color =
1642                         (item->new_msgs > 0) ||
1643                         (add_unread_mark &&
1644                          folderview_have_new_children(folderview, item));
1645         }
1646
1647         gtk_ctree_node_set_foreground(ctree, node, NULL);
1648
1649         if (use_bold) {
1650                 GdkColor gdk_color;
1651
1652                 if (item->prefs->color > 0 && !use_color) {
1653                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1654                         color_style = gtk_style_copy(bold_style);
1655                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1656                         style = color_style;
1657                 } else if (use_color) {
1658                         style = bold_color_style;
1659                 } else
1660                         style = bold_style;
1661                 if (item->op_count > 0) {
1662                         style = bold_tgtfold_style;
1663                 }
1664         } else if (use_color) {
1665                 style = normal_color_style;
1666                 gtk_ctree_node_set_foreground(ctree, node,
1667                                               &folderview->color_new);
1668         } else if (item->op_count > 0) {
1669                 style = bold_tgtfold_style;
1670         } else if (item->prefs->color > 0) {
1671                 GdkColor gdk_color;
1672                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1673                 color_style = gtk_style_copy(normal_style);
1674                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1675                 style = color_style;
1676         } else {
1677                 style = normal_style;
1678         }
1679
1680         gtk_ctree_node_set_row_style(ctree, node, style);
1681
1682         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1683                 folderview_update_node(folderview, node);
1684 }
1685
1686 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1687 {
1688         GList *list;
1689         FolderView *folderview;
1690         GtkCTree *ctree;
1691         GtkCTreeNode *node;
1692
1693         g_return_if_fail(item != NULL);
1694
1695         for (list = folderview_list; list != NULL; list = list->next) {
1696                 folderview = (FolderView *)list->data;
1697                 ctree = GTK_CTREE(folderview->ctree);
1698
1699                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1700                 if (node) {
1701                         item->search_match = matches;
1702                         folderview_update_node(folderview, node);
1703                 }
1704         }
1705 }
1706
1707 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1708 {
1709         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1710         FolderView *folderview = (FolderView *)data;
1711         GtkCTree *ctree;
1712         GtkCTreeNode *node;
1713         g_return_val_if_fail(update_info != NULL, TRUE);
1714         g_return_val_if_fail(update_info->item != NULL, TRUE);
1715         g_return_val_if_fail(folderview != NULL, FALSE);
1716
1717         ctree = GTK_CTREE(folderview->ctree);
1718
1719         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1720
1721         if (node) {
1722                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1723                         folderview_update_node(folderview, node);
1724
1725                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1726                      update_info->item == folderview->summaryview->folder_item &&
1727                      update_info->item != NULL)
1728                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1729                                 summary_show(folderview->summaryview, update_info->item);
1730         }
1731
1732         return FALSE;
1733 }
1734
1735 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1736                                       GNode *gnode, GtkCTreeNode *cnode,
1737                                       gpointer data)
1738 {
1739         FolderView *folderview = (FolderView *)data;
1740         FolderItem *item = FOLDER_ITEM(gnode->data);
1741
1742         g_return_val_if_fail(item != NULL, FALSE);
1743
1744         gtk_ctree_node_set_row_data(ctree, cnode, item);
1745         folderview_update_node(folderview, cnode);
1746
1747         return TRUE;
1748 }
1749
1750 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1751                                    gpointer data)
1752 {
1753         FolderView *folderview = (FolderView *)data;
1754         FolderItem *item;
1755
1756         if (GTK_CTREE_ROW(node)->children) {
1757                 item = gtk_ctree_node_get_row_data(ctree, node);
1758                 g_return_if_fail(item != NULL);
1759
1760                 if (!item->collapsed)
1761                         gtk_ctree_expand(ctree, node);
1762                 else
1763                         folderview_update_node(folderview, node);
1764         }
1765 }
1766
1767 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1768                                GtkCTreeNode *root, GtkCTreeNode **prev)
1769 {
1770         if (item) {
1771                 GtkCTreeNode *node, *parent, *sibling;
1772
1773                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1774                 if (!node)
1775                         g_warning("%s not found.\n", item->path);
1776                 else {
1777                         parent = GTK_CTREE_ROW(node)->parent;
1778                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1779                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1780                         else
1781                                 sibling = GTK_CTREE_ROW(parent)->children;
1782                         while (sibling) {
1783                                 FolderItem *tmp;
1784
1785                                 tmp = gtk_ctree_node_get_row_data
1786                                         (ctree, sibling);
1787                                 if (tmp->stype != F_NORMAL)
1788                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1789                                 else
1790                                         break;
1791                         }
1792                         if (node != sibling)
1793                                 gtk_ctree_move(ctree, node, parent, sibling);
1794                 }
1795
1796                 *prev = node;
1797         }
1798 }
1799
1800 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1801                                     Folder *folder)
1802 {
1803         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1804         GtkCTreeNode *prev = NULL;
1805
1806         gtk_clist_freeze(GTK_CLIST(ctree));
1807         gtk_sctree_sort_recursive(ctree, root);
1808         if (root && GTK_CTREE_ROW(root)->parent) {
1809                 gtk_clist_thaw(GTK_CLIST(ctree));
1810                 return;
1811         }
1812         set_special_folder(ctree, folder->inbox, root, &prev);
1813         set_special_folder(ctree, folder->outbox, root, &prev);
1814         set_special_folder(ctree, folder->draft, root, &prev);
1815         set_special_folder(ctree, folder->queue, root, &prev);
1816         set_special_folder(ctree, folder->trash, root, &prev);
1817         gtk_clist_thaw(GTK_CLIST(ctree));
1818 }
1819
1820 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1821 {
1822         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1823         GtkCTreeNode *root;
1824
1825         g_return_if_fail(folder != NULL);
1826
1827         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1828                                       folderview_gnode_func, folderview);
1829         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1830                                 folderview);
1831         folderview_sort_folders(folderview, root, folder);
1832 }
1833
1834 /* callback functions */
1835 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1836                                 GdkEventButton *event)
1837 {
1838         GtkCList *clist = GTK_CLIST(folderview->ctree);
1839         FolderItem *item;
1840         Folder *folder;
1841         FolderViewPopup *fpopup;
1842         GtkItemFactory *fpopup_factory;
1843         GtkWidget *popup;
1844         FolderItem *special_trash = NULL, *special_queue = NULL;
1845         PrefsAccount *ac;
1846
1847         if (row > 0)
1848                 item = gtk_clist_get_row_data(clist, row);
1849         else
1850                 item = folderview_get_selected_item(folderview);
1851
1852         g_return_if_fail(item != NULL);
1853         g_return_if_fail(item->folder != NULL);
1854         folder = item->folder;
1855
1856         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1857         if (fpopup != NULL)
1858                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1859         else {
1860                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1861                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1862         }
1863
1864         if (fpopup->set_sensitivity != NULL)
1865                 fpopup->set_sensitivity(fpopup_factory, item);
1866
1867         if (NULL != (ac = account_find_from_item(item))) {
1868                 special_trash = account_get_special_folder(ac, F_TRASH);
1869                 special_queue = account_get_special_folder(ac, F_QUEUE);
1870         }
1871
1872         if ((item == folder->trash || item == special_trash
1873              || folder_has_parent_of_type(item, F_TRASH)) &&
1874             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1875                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1876                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1877         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1878                 && !folder_has_parent_of_type(item, F_TRASH)) {
1879                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1880                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1881         }
1882
1883         if ((item == folder->queue || item == special_queue
1884              || folder_has_parent_of_type(item, F_QUEUE)) &&
1885             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1886                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1887                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1888         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1889                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1890                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1891                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1892         }
1893
1894 #define SET_SENS(name, sens) \
1895         menu_set_sensitive(fpopup_factory, name, sens)
1896
1897         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1898         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1899                  folderview->selected == folderview->opened);
1900         SET_SENS("/Properties...", TRUE);
1901         SET_SENS("/Processing...", item->node->parent != NULL);
1902         if (item == folder->trash || item == special_trash
1903             || folder_has_parent_of_type(item, F_TRASH)) {
1904                 GSList *msglist = folder_item_get_msg_list(item);
1905                 SET_SENS("/Empty trash...", msglist != NULL);
1906                 procmsg_msg_list_free(msglist);
1907         }
1908         if (item == folder->queue || item == special_queue
1909             || folder_has_parent_of_type(item, F_QUEUE)) {
1910                 GSList *msglist = folder_item_get_msg_list(item);
1911                 SET_SENS("/Send queue...", msglist != NULL);
1912                 procmsg_msg_list_free(msglist);
1913         }
1914 #undef SET_SENS
1915
1916         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1917         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1918                        event->button, event->time);
1919
1920
1921 }
1922
1923 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1924                                           FolderView *folderview)
1925 {
1926         GtkCList *clist = GTK_CLIST(ctree);
1927         gint prev_row = -1, row = -1, column = -1;
1928
1929         if (!event) return FALSE;
1930
1931         if (event->button == 1 || event->button == 2) {
1932                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1933                         folderview->open_folder = TRUE;
1934
1935                 if (event->type == GDK_2BUTTON_PRESS) {
1936                         if (clist->selection) {
1937                                 GtkCTreeNode *node;
1938
1939                                 node = GTK_CTREE_NODE(clist->selection->data);
1940                                 if (node) {
1941                                         gtk_ctree_toggle_expansion(
1942                                                 GTK_CTREE(ctree),
1943                                                 node);
1944                                         folderview->open_folder = FALSE;
1945                                 }
1946                         }
1947                 }
1948                 return FALSE;
1949         }
1950
1951         if (event->button == 2 || event->button == 3) {
1952                 /* right clicked */
1953                 if (clist->selection) {
1954                         GtkCTreeNode *node;
1955
1956                         node = GTK_CTREE_NODE(clist->selection->data);
1957                         if (node)
1958                                 prev_row = gtkut_ctree_get_nth_from_node
1959                                         (GTK_CTREE(ctree), node);
1960                 }
1961
1962                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1963                                                   &row, &column))
1964                         return FALSE;
1965                 if (prev_row != row) {
1966                         gtk_clist_unselect_all(clist);
1967                         if (event->button == 2)
1968                                 folderview_select_node
1969                                         (folderview,
1970                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1971                                                             row));
1972                         else
1973                                 gtk_clist_select_row(clist, row, column);
1974                 }
1975         }
1976
1977         if (event->button != 3) return FALSE;
1978
1979         folderview_set_sens_and_popup_menu(folderview, row, event);
1980         return FALSE;
1981 }
1982
1983 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1984                                            FolderView *folderview)
1985 {
1986         if (!event) return FALSE;
1987
1988         if (event->button == 1 && folderview->open_folder == FALSE &&
1989             folderview->opened != NULL) {
1990                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1991                                           folderview->opened);
1992                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1993         }
1994
1995         return FALSE;
1996 }
1997
1998 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1999                                        FolderView *folderview)
2000 {
2001         if (!event) return FALSE;
2002
2003         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2004                 return FALSE;
2005
2006         switch (event->keyval) {
2007         case GDK_Return:
2008                 if (folderview->selected) {
2009                         folderview_select_node(folderview,
2010                                                folderview->selected);
2011                 }
2012                 break;
2013         case GDK_space:
2014                 if (folderview->selected) {
2015                         if (folderview->opened == folderview->selected &&
2016                             (!folderview->summaryview->folder_item ||
2017                              folderview->summaryview->folder_item->total_msgs == 0))
2018                                 folderview_select_next_unread(folderview, TRUE);
2019                         else
2020                                 folderview_select_node(folderview,
2021                                                        folderview->selected);
2022                 }
2023                 break;
2024         default:
2025                 break;
2026         }
2027
2028         return FALSE;
2029 }
2030
2031 typedef struct _PostponedSelectData
2032 {
2033         GtkCTree *ctree;
2034         GtkCTreeNode *row;
2035         gint column;
2036         FolderView *folderview;
2037 } PostponedSelectData;
2038
2039 static gboolean postpone_select(void *data)
2040 {
2041         PostponedSelectData *psdata = (PostponedSelectData *)data;
2042         debug_print("trying again\n");
2043         psdata->folderview->open_folder = TRUE;
2044         main_window_cursor_normal(psdata->folderview->mainwin);
2045         STATUSBAR_POP(psdata->folderview->mainwin);
2046         folderview_selected(psdata->ctree, psdata->row,
2047                             psdata->column, psdata->folderview);
2048         g_free(psdata);
2049         return FALSE;
2050 }
2051
2052 void folderview_close_opened(FolderView *folderview)
2053 {
2054         if (folderview->opened) {
2055                 FolderItem *olditem;
2056
2057                 olditem = gtk_ctree_node_get_row_data(folderview->ctree, folderview->opened);
2058                 if (olditem) {
2059                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2060                                 olditem->path ? olditem->path:olditem->name);
2061                         /* will be null if we just moved the previously opened folder */
2062                         STATUSBAR_PUSH(folderview->mainwin, buf);
2063                         main_window_cursor_wait(folderview->mainwin);
2064                         g_free(buf);
2065                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2066                         summary_show(folderview->summaryview, NULL);
2067                         folder_item_close(olditem);
2068                         main_window_cursor_normal(folderview->mainwin);
2069                         STATUSBAR_POP(folderview->mainwin);
2070                 }
2071         }
2072
2073         if (folderview->opened &&
2074             !GTK_CTREE_ROW(folderview->opened)->children)
2075                 gtk_ctree_collapse(folderview->ctree, folderview->opened);
2076
2077         folderview->opened = NULL;
2078 }
2079 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2080                                 gint column, FolderView *folderview)
2081 {
2082         static gboolean can_select = TRUE;      /* exclusive lock */
2083         gboolean opened;
2084         FolderItem *item;
2085         gchar *buf;
2086         int res = 0;
2087         GtkCTreeNode *old_opened = folderview->opened;
2088         START_TIMING("");
2089         folderview->selected = row;
2090
2091         debug_print("newly selected %p, opened %p\n", folderview->selected,
2092                         folderview->opened);
2093         if (folderview->opened == row) {
2094                 folderview->open_folder = FALSE;
2095                 END_TIMING();
2096                 return;
2097         }
2098
2099         if (!can_select || summary_is_locked(folderview->summaryview)) {
2100                 if (folderview->opened) {
2101                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2102                         gtk_ctree_select(ctree, folderview->opened);
2103                 }
2104                 folderview->open_folder = FALSE;
2105                 END_TIMING();
2106                 return;
2107         }
2108
2109         if (!folderview->open_folder) {
2110                 END_TIMING();
2111                 return;
2112         }
2113         item = gtk_ctree_node_get_row_data(ctree, row);
2114         if (!item || item->no_select) {
2115                 END_TIMING();
2116                 folderview->open_folder = FALSE;
2117                 return;
2118         }
2119
2120         can_select = FALSE;
2121
2122         /* Save cache for old folder */
2123         /* We don't want to lose all caches if sylpheed crashed */
2124         /* resets folderview->opened to NULL */
2125         folderview_close_opened(folderview);
2126
2127         /* CLAWS: set compose button type: news folder items
2128          * always have a news folder as parent */
2129         if (item->folder)
2130                 toolbar_set_compose_button
2131                         (folderview->mainwin->toolbar,
2132                          FOLDER_TYPE(item->folder) == F_NEWS ?
2133                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2134
2135         if (item->path)
2136                 debug_print("Folder %s is selected\n", item->path);
2137
2138         if (!GTK_CTREE_ROW(row)->children)
2139                 gtk_ctree_expand(ctree, row);
2140
2141         /* ungrab the mouse event */
2142         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2143                 gtk_grab_remove(GTK_WIDGET(ctree));
2144                 if (gdk_pointer_is_grabbed())
2145                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2146         }
2147
2148         /* Open Folder */
2149         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2150                                         item->path : "(null)");
2151         debug_print("%s\n", buf);
2152         STATUSBAR_PUSH(folderview->mainwin, buf);
2153         g_free(buf);
2154
2155         main_window_cursor_wait(folderview->mainwin);
2156
2157         res = folder_item_open(item);
2158         if (res == -1) {
2159                 main_window_cursor_normal(folderview->mainwin);
2160                 STATUSBAR_POP(folderview->mainwin);
2161
2162                 alertpanel_error(_("Folder could not be opened."));
2163
2164                 folderview->open_folder = FALSE;
2165                 can_select = TRUE;
2166                 END_TIMING();
2167                 return;
2168         } else if (res == -2) {
2169                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2170                 data->ctree = ctree;
2171                 data->row = row;
2172                 data->column = column;
2173                 data->folderview = folderview;
2174                 debug_print("postponing open of %s till end of scan\n",
2175                         item->path ? item->path:item->name);
2176                 folderview->open_folder = FALSE;
2177                 can_select = TRUE;
2178                 g_timeout_add(500, postpone_select, data);
2179                 END_TIMING();
2180                 return;
2181         }
2182
2183         main_window_cursor_normal(folderview->mainwin);
2184
2185         /* Show messages */
2186         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2187         opened = summary_show(folderview->summaryview, item);
2188
2189         folder_clean_cache_memory(item);
2190
2191         if (!opened) {
2192                 gtkut_ctree_set_focus_row(ctree, old_opened);
2193                 gtk_ctree_select(ctree, old_opened);
2194                 folderview->opened = old_opened;
2195         } else {
2196                 folderview->opened = row;
2197                 if (gtk_ctree_node_is_visible(ctree, row)
2198                     != GTK_VISIBILITY_FULL)
2199                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2200         }
2201
2202         STATUSBAR_POP(folderview->mainwin);
2203
2204         folderview->open_folder = FALSE;
2205         can_select = TRUE;
2206         END_TIMING();
2207 }
2208
2209 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2210                                      FolderView *folderview)
2211 {
2212         FolderItem *item;
2213
2214         item = gtk_ctree_node_get_row_data(ctree, node);
2215         g_return_if_fail(item != NULL);
2216         item->collapsed = FALSE;
2217         folderview_update_node(folderview, node);
2218 }
2219
2220 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2221                                       FolderView *folderview)
2222 {
2223         FolderItem *item;
2224
2225         item = gtk_ctree_node_get_row_data(ctree, node);
2226         g_return_if_fail(item != NULL);
2227         item->collapsed = TRUE;
2228         folderview_update_node(folderview, node);
2229 }
2230
2231 static void folderview_popup_close(GtkMenuShell *menu_shell,
2232                                    FolderView *folderview)
2233 {
2234         if (!folderview->opened) return;
2235
2236         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2237 }
2238
2239 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2240                                    FolderView *folderview)
2241 {
2242         FolderColumnType type = folderview->col_state[column].type;
2243
2244         prefs_common.folder_col_size[type] = width;
2245 }
2246
2247 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2248 {
2249         GNode *srcnode;
2250
2251         folderview_create_folder_node(folderview, item);
2252
2253         if (!item || !item->folder || !item->folder->node)
2254                 return;
2255
2256         srcnode = item->folder->node;
2257         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2258         srcnode = srcnode->children;
2259         while (srcnode != NULL) {
2260                 if (srcnode && srcnode->data) {
2261                         FolderItem *next_item = (FolderItem*) srcnode->data;
2262                         folderview_create_folder_node_recursive(folderview, next_item);
2263                 }
2264                 srcnode = srcnode->next;
2265         }
2266 }
2267
2268 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2269 {
2270         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2271         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2272         GtkCTreeNode *node, *parent_node;
2273         gint *col_pos = folderview->col_pos;
2274         FolderItemUpdateData hookdata;
2275
2276         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2277         if (parent_node == NULL)
2278                 return;
2279
2280         gtk_clist_freeze(GTK_CLIST(ctree));
2281
2282         text[col_pos[F_COL_FOLDER]] = item->name;
2283         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2284                                      FOLDER_SPACING,
2285                                      folderxpm, folderxpmmask,
2286                                      folderopenxpm, folderopenxpmmask,
2287                                      FALSE, FALSE);
2288         gtk_ctree_expand(ctree, parent_node);
2289         gtk_ctree_node_set_row_data(ctree, node, item);
2290         if (normal_style)
2291                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2292         folderview_sort_folders(folderview, parent_node, item->folder);
2293
2294         hookdata.item = item;
2295         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2296         hookdata.msg = NULL;
2297         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2298
2299         gtk_clist_thaw(GTK_CLIST(ctree));
2300 }
2301
2302 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2303                                       GtkWidget *widget)
2304 {
2305         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2306         FolderItem *item;
2307         GSList *mlist = NULL;
2308         GSList *cur = NULL;
2309         FolderItem *special_trash = NULL;
2310         PrefsAccount *ac;
2311
2312         if (!folderview->selected) return;
2313         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2314         g_return_if_fail(item != NULL);
2315         g_return_if_fail(item->folder != NULL);
2316
2317         if (NULL != (ac = account_find_from_item(item)))
2318                 special_trash = account_get_special_folder(ac, F_TRASH);
2319
2320         if (item != item->folder->trash && item != special_trash
2321         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2322
2323         if (prefs_common.ask_on_clean) {
2324                 if (alertpanel(_("Empty trash"),
2325                                _("Delete all messages in trash?"),
2326                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2327                         return;
2328         }
2329
2330         mlist = folder_item_get_msg_list(item);
2331
2332         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2333                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2334                 if (MSG_IS_LOCKED(msginfo->flags))
2335                         continue;
2336                 /* is it partially received? (partial_recv isn't cached) */
2337                 if (msginfo->total_size != 0 &&
2338                     msginfo->size != (off_t)msginfo->total_size)
2339                         partial_mark_for_delete(msginfo);
2340         }
2341         procmsg_msg_list_free(mlist);
2342
2343         folder_item_remove_all_msg(item);
2344 }
2345
2346 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2347                                       GtkWidget *widget)
2348 {
2349         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2350         FolderItem *item;
2351         FolderItem *special_queue = NULL;
2352         PrefsAccount *ac;
2353         gchar *errstr = NULL;
2354
2355         if (!folderview->selected) return;
2356         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2357         g_return_if_fail(item != NULL);
2358         g_return_if_fail(item->folder != NULL);
2359
2360         if (NULL != (ac = account_find_from_item(item)))
2361                 special_queue = account_get_special_folder(ac, F_QUEUE);
2362
2363         if (item != item->folder->queue && item != special_queue
2364         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2365
2366         if (procmsg_queue_is_empty(item))
2367                 return;
2368
2369         if (prefs_common.work_offline)
2370                 if (alertpanel(_("Offline warning"),
2371                                _("You're working offline. Override?"),
2372                                GTK_STOCK_NO, GTK_STOCK_YES,
2373                                NULL) != G_ALERTALTERNATE)
2374                 return;
2375
2376         /* ask for confirmation before sending queued messages only
2377            in online mode and if there is at least one message queued
2378            in any of the folder queue
2379         */
2380         if (prefs_common.confirm_send_queued_messages) {
2381                 if (!prefs_common.work_offline) {
2382                         if (alertpanel(_("Send queued messages"),
2383                                    _("Send all queued messages?"),
2384                                    GTK_STOCK_CANCEL, _("_Send"),
2385                                    NULL) != G_ALERTALTERNATE)
2386                                 return;
2387                 }
2388         }
2389
2390         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2391                 if (!errstr)
2392                         alertpanel_error_log(_("Some errors occurred while "
2393                                            "sending queued messages."));
2394                 else {
2395                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2396                                         "while sending queued messages:\n%s"), errstr);
2397                         g_free(errstr);
2398                         alertpanel_error_log(tmp);
2399                         g_free(tmp);
2400                 }
2401         }
2402 }
2403
2404 static void folderview_search_cb(FolderView *folderview, guint action,
2405                                  GtkWidget *widget)
2406 {
2407         summary_search(folderview->summaryview);
2408 }
2409
2410 static void folderview_property_cb(FolderView *folderview, guint action,
2411                                    GtkWidget *widget)
2412 {
2413         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2414         FolderItem *item;
2415
2416         if (!folderview->selected) return;
2417
2418         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2419         g_return_if_fail(item != NULL);
2420         g_return_if_fail(item->folder != NULL);
2421
2422         prefs_folder_item_open(item);
2423 }
2424
2425 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2426 {
2427         GSList *list = NULL;
2428         GSList *done = NULL;
2429         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2430
2431         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2432                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2433                 &&  list->data != node) {
2434                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2435                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2436                 }
2437         }
2438         for (list = done; list != NULL; list = g_slist_next(list)) {
2439                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2440                                                                  list->data);
2441         }
2442         g_slist_free(done);
2443 }
2444
2445 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2446                             FolderItem *to_folder, gboolean copy)
2447 {
2448         FolderItem *from_parent = NULL;
2449         FolderItem *new_folder = NULL;
2450         GtkCTreeNode *src_node = NULL;
2451         gchar *buf;
2452         gint status;
2453
2454         g_return_if_fail(folderview != NULL);
2455         g_return_if_fail(from_folder != NULL);
2456         g_return_if_fail(to_folder != NULL);
2457
2458         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2459         from_parent = folder_item_parent(from_folder);
2460
2461         if (prefs_common.warn_dnd) {
2462                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2463                                              _("Do you really want to make folder '%s' a sub-folder of '%s' ?"),
2464                                         from_folder->name, to_folder->name);
2465                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2466                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2467                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2468                 g_free(buf);
2469
2470                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2471                         return;
2472                 else if (status & G_ALERTDISABLE)
2473                         prefs_common.warn_dnd = FALSE;
2474         }
2475
2476         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2477                                 from_folder->name, to_folder->name);
2478         STATUSBAR_PUSH(folderview->mainwin, buf);
2479         g_free(buf);
2480         summary_clear_all(folderview->summaryview);
2481         folderview->opened = NULL;
2482         folderview->selected = NULL;
2483         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2484         inc_lock();
2485         main_window_cursor_wait(folderview->mainwin);
2486
2487         statusbar_verbosity_set(FALSE);
2488         folder_item_update_freeze();
2489         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2490                 statusbar_verbosity_set(FALSE);
2491                 main_window_cursor_normal(folderview->mainwin);
2492                 STATUSBAR_POP(folderview->mainwin);
2493                 folder_item_update_thaw();
2494                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2495
2496                 folderview_sort_folders(folderview,
2497                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2498                                 NULL, to_folder), new_folder->folder);
2499                 folderview_select(folderview, new_folder);
2500         } else {
2501                 statusbar_verbosity_set(FALSE);
2502                 main_window_cursor_normal(folderview->mainwin);
2503                 STATUSBAR_POP(folderview->mainwin);
2504                 folder_item_update_thaw();
2505                 switch (status) {
2506                 case F_MOVE_FAILED_DEST_IS_PARENT:
2507                         alertpanel_error(_("Source and destination are the same."));
2508                         break;
2509                 case F_MOVE_FAILED_DEST_IS_CHILD:
2510                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2511                                                 _("Can't move a folder to one of its children."));
2512                         break;
2513                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2514                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2515                         break;
2516                 default:
2517                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2518                         break;
2519                 }
2520         }
2521         inc_unlock();
2522         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2523 }
2524
2525 static gint folderview_clist_compare(GtkCList *clist,
2526                                      gconstpointer ptr1, gconstpointer ptr2)
2527 {
2528         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2529         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2530
2531         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2532         {
2533                 return item1->order - item2->order;
2534         }
2535
2536         // if only one folder has an order it comes first
2537         if (item1->order > 0)
2538         {
2539                 return -1;
2540         }
2541         if (item2->order > 0)
2542         {
2543                 return 1;
2544         }
2545
2546         if (!item1->name)
2547                 return (item2->name != NULL);
2548         if (!item2->name)
2549                 return -1;
2550
2551         return g_utf8_collate(item1->name, item2->name);
2552 }
2553
2554 static void folderview_processing_cb(FolderView *folderview, guint action,
2555                                      GtkWidget *widget)
2556 {
2557         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2558         FolderItem *item;
2559         gchar *id, *title;
2560
2561         if (!folderview->selected) return;
2562
2563         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2564         g_return_if_fail(item != NULL);
2565         g_return_if_fail(item->folder != NULL);
2566
2567         id = folder_item_get_identifier(item);
2568         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2569         g_free (id);
2570
2571         prefs_filtering_open(&item->prefs->processing, title,
2572                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2573         g_free (title);
2574 }
2575
2576 void folderview_set_target_folder_color(gint color_op)
2577 {
2578         gint firstone = 1;
2579         GList *list;
2580         FolderView *folderview;
2581
2582         for (list = folderview_list; list != NULL; list = list->next) {
2583                 folderview = (FolderView *)list->data;
2584                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2585                 if (firstone) {
2586                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2587                                 folderview->color_op;
2588                         firstone = 0;
2589                 }
2590         }
2591 }
2592
2593 static gchar *last_font = NULL;
2594 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2595 {
2596         /* force reinit */
2597         g_free(last_font);
2598         last_font = NULL;
2599
2600 }
2601
2602 void folderview_reflect_prefs(void)
2603 {
2604         gboolean update_font = TRUE;
2605         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2606         FolderItem *item = folderview_get_selected_item(folderview);
2607         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2608                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2609         gint height = pos->value;
2610
2611         if (last_font && !strcmp(last_font, NORMAL_FONT))
2612                 update_font = FALSE;
2613
2614         g_free(last_font);
2615         last_font = g_strdup(NORMAL_FONT);
2616
2617         if (update_font) {
2618                 normal_style = normal_color_style = bold_style =
2619                         bold_color_style = bold_tgtfold_style = NULL;
2620
2621                 folderview_init(folderview);
2622         }
2623         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2624         folderview_column_set_titles(folderview);
2625         folderview_set_all();
2626
2627         g_signal_handlers_block_by_func
2628                 (G_OBJECT(folderview->ctree),
2629                  G_CALLBACK(folderview_selected), folderview);
2630
2631         if (item) {
2632                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2633                         GTK_CTREE(folderview->ctree), NULL, item);
2634
2635                 folderview_select(folderview, item);
2636                 folderview->open_folder = FALSE;
2637                 folderview->selected = node;
2638         }
2639
2640         g_signal_handlers_unblock_by_func
2641                 (G_OBJECT(folderview->ctree),
2642                  G_CALLBACK(folderview_selected), folderview);
2643
2644         pos = gtk_scrolled_window_get_vadjustment(
2645                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2646         gtk_adjustment_set_value(pos, height);
2647         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2648 }
2649
2650 static void drag_state_stop(FolderView *folderview)
2651 {
2652         if (folderview->drag_timer)
2653                 g_source_remove(folderview->drag_timer);
2654         folderview->drag_timer = 0;
2655         folderview->drag_node = NULL;
2656 }
2657
2658 static gint folderview_defer_expand(FolderView *folderview)
2659 {
2660         if (folderview->drag_node) {
2661                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2662                 if (folderview->drag_item->collapsed) {
2663                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2664                         folderview->nodes_to_recollapse = g_slist_append
2665                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2666                 }
2667         }
2668         folderview->drag_item  = NULL;
2669         folderview->drag_timer = 0;
2670         return FALSE;
2671 }
2672
2673 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2674 {
2675         /* the idea is that we call drag_state_start() whenever we want expansion to
2676          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2677          * we need to call drag_state_stop() */
2678         drag_state_stop(folderview);
2679         /* request expansion */
2680         if (0 != (folderview->drag_timer = g_timeout_add
2681                         (prefs_common.hover_timeout,
2682                          (GtkFunction)folderview_defer_expand,
2683                          folderview))) {
2684                 folderview->drag_node = node;
2685                 folderview->drag_item = item;
2686         }
2687 }
2688
2689 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2690                                   FolderView       *folderview)
2691 {
2692         GdkDragContext *context;
2693
2694         g_return_if_fail(folderview != NULL);
2695         if (folderview->selected == NULL) return;
2696         if (folderview->nodes_to_recollapse)
2697                 g_slist_free(folderview->nodes_to_recollapse);
2698         folderview->nodes_to_recollapse = NULL;
2699         context = gtk_drag_begin(widget, folderview->target_list,
2700                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2701         gtk_drag_set_icon_default(context);
2702 }
2703
2704 static void folderview_drag_data_get(GtkWidget        *widget,
2705                                      GdkDragContext   *drag_context,
2706                                      GtkSelectionData *selection_data,
2707                                      guint             info,
2708                                      guint             time,
2709                                      FolderView       *folderview)
2710 {
2711         FolderItem *item;
2712         GList *cur;
2713         gchar *source = NULL;
2714         if (info == TARGET_DUMMY) {
2715                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2716                      cur != NULL; cur = cur->next) {
2717                         item = gtk_ctree_node_get_row_data
2718                                 (GTK_CTREE(folderview->ctree),
2719                                  GTK_CTREE_NODE(cur->data));
2720                         if (item) {
2721                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2722                                 gtk_selection_data_set(selection_data,
2723                                                        selection_data->target, 8,
2724                                                        source, strlen(source));
2725                                 break;
2726                         } else
2727                                 return;
2728                 }
2729         } else {
2730                 g_warning("unknown info %d\n", info);
2731         }
2732 }
2733
2734 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2735 {
2736         FolderUpdateData *hookdata;
2737         FolderView *folderview;
2738         GtkWidget *ctree;
2739
2740         hookdata = source;
2741         folderview = (FolderView *) userdata;
2742         g_return_val_if_fail(hookdata != NULL, FALSE);
2743         g_return_val_if_fail(folderview != NULL, FALSE);
2744
2745         ctree = folderview->ctree;
2746         g_return_val_if_fail(ctree != NULL, FALSE);
2747
2748         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2749                 folderview_create_folder_node(folderview, hookdata->item);
2750         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2751                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2752                                 NULL, folder_item_parent(hookdata->item));
2753                 folderview_sort_folders(folderview, node, hookdata->folder);
2754         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2755                 GtkCTreeNode *node;
2756
2757                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2758                 if (node != NULL) {
2759                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2760                         if (folderview->selected == node)
2761                                 folderview->selected = NULL;
2762                         if (folderview->opened == node)
2763                                 folderview->opened = NULL;
2764                 }
2765         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2766                 folderview_set(folderview);
2767
2768         return FALSE;
2769 }
2770
2771 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2772                                           GdkDragContext *context,
2773                                           gint            x,
2774                                           gint            y,
2775                                           guint           time,
2776                                           FolderView     *folderview)
2777 {
2778         gint row, column;
2779         FolderItem *item = NULL, *src_item = NULL;
2780         GtkCTreeNode *node = NULL;
2781         gboolean acceptable = FALSE;
2782         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2783                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2784         int height = (int)pos->page_size;
2785         int total_height = (int)pos->upper;
2786         int vpos = (int) pos->value;
2787
2788         if (gtk_clist_get_selection_info
2789                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2790                 GtkWidget *srcwidget;
2791
2792                 if (y > height - 24 && height + vpos < total_height)
2793                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2794
2795                 if (y < 48 && y > 0)
2796                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2797
2798                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2799                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2800                 src_item = folderview->summaryview->folder_item;
2801
2802                 srcwidget = gtk_drag_get_source_widget(context);
2803                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2804                         /* comes from summaryview */
2805                         /* we are copying messages, so only accept folder items that are not
2806                            the source item, are no root items and can copy messages */
2807                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2808                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2809                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2810                                 acceptable = TRUE;
2811                 } else if (srcwidget == folderview->ctree) {
2812                         /* comes from folderview */
2813                         /* we are moving folder items, only accept folders that are not
2814                            the source items and can copy messages and create folder items */
2815                         if (item && item->folder && src_item && src_item != item &&
2816                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2817                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2818                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2819                              || item->folder == src_item->folder))
2820                                 acceptable = TRUE;
2821                 } else {
2822                         /* comes from another app */
2823                         /* we are adding messages, so only accept folder items that are
2824                            no root items and can copy messages */
2825                         if (item && item->folder && folder_item_parent(item) != NULL
2826                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2827                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2828                                 acceptable = TRUE;
2829                 }
2830         }
2831
2832         if (acceptable || (src_item && src_item == item))
2833                 drag_state_start(folderview, node, item);
2834
2835         if (acceptable) {
2836                 g_signal_handlers_block_by_func
2837                         (G_OBJECT(widget),
2838                          G_CALLBACK(folderview_selected), folderview);
2839                 gtk_ctree_select(GTK_CTREE(widget), node);
2840                 g_signal_handlers_unblock_by_func
2841                         (G_OBJECT(widget),
2842                          G_CALLBACK(folderview_selected), folderview);
2843                 gdk_drag_status(context,
2844                                         (context->actions == GDK_ACTION_COPY ?
2845                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2846         } else {
2847                 if (folderview->opened)
2848                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2849                 gdk_drag_status(context, 0, time);
2850         }
2851
2852         return acceptable;
2853 }
2854
2855 static void folderview_drag_leave_cb(GtkWidget      *widget,
2856                                      GdkDragContext *context,
2857                                      guint           time,
2858                                      FolderView     *folderview)
2859 {
2860         drag_state_stop(folderview);
2861         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2862 }
2863
2864 static void free_info (gpointer stuff, gpointer data)
2865 {
2866         g_free(stuff);
2867 }
2868
2869 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2870                            guint time, FolderItem *item)
2871 {
2872         GList *list, *tmp;
2873         GSList *msglist = NULL;
2874         list = uri_list_extract_filenames(data);
2875         if (!(item && item->folder && folder_item_parent(item) != NULL
2876                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2877         {
2878                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2879                 debug_print("item doesn't fit\n");
2880                 return;
2881         }
2882         if (!list) {
2883                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2884                 debug_print("list is empty\n");
2885                 return;
2886         }
2887         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2888                 MsgFileInfo *info = NULL;
2889
2890                 if (file_is_email((gchar *)tmp->data)) {
2891                         info = g_new0(MsgFileInfo, 1);
2892                         info->msginfo = NULL;
2893                         info->file = (gchar *)tmp->data;
2894                         msglist = g_slist_prepend(msglist, info);
2895                         debug_print("file is a mail\n");
2896                 } else {
2897                         debug_print("file isn't a mail\n");
2898                 }
2899         }
2900         if (msglist) {
2901                 msglist = g_slist_reverse(msglist);
2902                 folder_item_add_msgs(item, msglist, FALSE);
2903                 g_slist_foreach(msglist, free_info, NULL);
2904                 g_slist_free(msglist);
2905                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2906         } else {
2907                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2908         }
2909         list_free_strings(list);
2910         g_list_free(list);
2911 }
2912
2913 static void folderview_drag_received_cb(GtkWidget        *widget,
2914                                         GdkDragContext   *drag_context,
2915                                         gint              x,
2916                                         gint              y,
2917                                         GtkSelectionData *data,
2918                                         guint             info,
2919                                         guint             time,
2920                                         FolderView       *folderview)
2921 {
2922         gint row, column;
2923         FolderItem *item = NULL, *src_item;
2924         GtkCTreeNode *node;
2925
2926         if (info == TARGET_DUMMY) {
2927                 drag_state_stop(folderview);
2928                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2929                         /* comes from summaryview */
2930                         if (gtk_clist_get_selection_info
2931                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2932                                 return;
2933
2934                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2935                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2936                         src_item = folderview->summaryview->folder_item;
2937
2938                         /* re-check (due to acceptable possibly set for folder moves */
2939                         if (!(item && item->folder && item->path && !item->no_select &&
2940                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2941                                 return;
2942                         }
2943                         if (item && src_item) {
2944                                 switch (drag_context->action) {
2945                                 case GDK_ACTION_COPY:
2946                                         summary_copy_selected_to(folderview->summaryview, item);
2947                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2948                                         break;
2949                                 case GDK_ACTION_MOVE:
2950                                 case GDK_ACTION_DEFAULT:
2951                                 default:
2952                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2953                                                 summary_copy_selected_to(folderview->summaryview, item);
2954                                         else
2955                                                 summary_move_selected_to(folderview->summaryview, item);
2956                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2957                                 }
2958                         } else
2959                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2960                 } else {
2961                         /* comes from folderview */
2962                         char *source;
2963                         gboolean folder_is_normal = TRUE;
2964                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
2965
2966                         source = data->data + 17;
2967                         if (gtk_clist_get_selection_info
2968                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2969                             || *source == 0) {
2970                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2971                                 return;
2972                         }
2973                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2974                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2975                         src_item = folder_find_item_from_identifier(source);
2976
2977                         folder_is_normal =
2978                                 src_item != NULL &&
2979                                 src_item->stype == F_NORMAL &&
2980                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2981                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2982                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2983                                 !folder_has_parent_of_type(src_item, F_TRASH);
2984                         if (!item || item->no_select || !src_item
2985                         ||  !folder_is_normal) {
2986                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2987                                 return;
2988                         }
2989
2990                         folderview_move_folder(folderview, src_item, item, copy);
2991                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2992                 }
2993                 folderview->nodes_to_recollapse = NULL;
2994         } else if (info == TARGET_MAIL_URI_LIST) {
2995                 if (gtk_clist_get_selection_info
2996                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2997                         return;
2998
2999                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3000                 if (!node) {
3001                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3002                         debug_print("no node\n");
3003                         return;
3004                 }
3005                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3006                 if (!item) {
3007                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3008                         debug_print("no item\n");
3009                         return;
3010                 }
3011                 folderview_finish_dnd(data->data, drag_context, time, item);
3012         }
3013 }
3014
3015 static void folderview_drag_end_cb(GtkWidget        *widget,
3016                                    GdkDragContext   *drag_context,
3017                                    FolderView       *folderview)
3018 {
3019         drag_state_stop(folderview);
3020         g_slist_free(folderview->nodes_to_recollapse);
3021         folderview->nodes_to_recollapse = NULL;
3022 }
3023
3024 void folderview_register_popup(FolderViewPopup *fpopup)
3025 {
3026         GList *folderviews;
3027
3028         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3029                 FolderView *folderview = folderviews->data;
3030                 GtkItemFactory *factory;
3031
3032                 factory = create_ifactory(folderview, fpopup);
3033                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3034         }
3035         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3036 }
3037
3038 void folderview_unregister_popup(FolderViewPopup *fpopup)
3039 {
3040         GList *folderviews;
3041
3042         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3043                 FolderView *folderview = folderviews->data;
3044
3045                 g_hash_table_remove(folderview->popups, fpopup->klass);
3046         }
3047         g_hash_table_remove(folderview_popups, fpopup->klass);
3048 }