src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71 #include "log.h"
  72
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 static GList *folderview_list = NULL;
  77
  78 static GtkStyle *normal_style;
  79 static GtkStyle *normal_color_style;
  80 static GtkStyle *bold_style;
  81 static GtkStyle *bold_color_style;
  82 static GtkStyle *bold_tgtfold_style;
  83
  84 static GdkPixmap *inboxxpm;
  85 static GdkBitmap *inboxxpmmask;
  86 static GdkPixmap *inboxhrmxpm;
  87 static GdkBitmap *inboxhrmxpmmask;
  88 static GdkPixmap *inboxopenxpm;
  89 static GdkBitmap *inboxopenxpmmask;
  90 static GdkPixmap *inboxopenhrmxpm;
  91 static GdkBitmap *inboxopenhrmxpmmask;
  92 static GdkPixmap *outboxxpm;
  93 static GdkBitmap *outboxxpmmask;
  94 static GdkPixmap *outboxhrmxpm;
  95 static GdkBitmap *outboxhrmxpmmask;
  96 static GdkPixmap *outboxopenxpm;
  97 static GdkBitmap *outboxopenxpmmask;
  98 static GdkPixmap *outboxopenhrmxpm;
  99 static GdkBitmap *outboxopenhrmxpmmask;
 100 static GdkPixmap *folderxpm;
 101 static GdkBitmap *folderxpmmask;
 102 static GdkPixmap *folderhrmxpm;
 103 static GdkBitmap *folderhrmxpmmask;
 104 static GdkPixmap *folderopenxpm;
 105 static GdkBitmap *folderopenxpmmask;
 106 static GdkPixmap *folderopenhrmxpm;
 107 static GdkBitmap *folderopenhrmxpmmask;
 108 static GdkPixmap *trashopenxpm;
 109 static GdkBitmap *trashopenxpmmask;
 110 static GdkPixmap *trashopenhrmxpm;
 111 static GdkBitmap *trashopenhrmxpmmask;
 112 static GdkPixmap *trashxpm;
 113 static GdkBitmap *trashxpmmask;
 114 static GdkPixmap *trashhrmxpm;
 115 static GdkBitmap *trashhrmxpmmask;
 116 static GdkPixmap *queuexpm;
 117 static GdkBitmap *queuexpmmask;
 118 static GdkPixmap *queuehrmxpm;
 119 static GdkBitmap *queuehrmxpmmask;
 120 static GdkPixmap *queueopenxpm;
 121 static GdkBitmap *queueopenxpmmask;
 122 static GdkPixmap *queueopenhrmxpm;
 123 static GdkBitmap *queueopenhrmxpmmask;
 124 static GdkPixmap *draftsxpm;
 125 static GdkBitmap *draftsxpmmask;
 126 static GdkPixmap *draftsopenxpm;
 127 static GdkBitmap *draftsopenxpmmask;
 128 static GdkPixmap *noselectxpm;
 129 static GdkBitmap *noselectxpmmask;
 130
 131 static GdkPixmap *m_inboxxpm;
 132 static GdkBitmap *m_inboxxpmmask;
 133 static GdkPixmap *m_inboxhrmxpm;
 134 static GdkBitmap *m_inboxhrmxpmmask;
 135 static GdkPixmap *m_inboxopenxpm;
 136 static GdkBitmap *m_inboxopenxpmmask;
 137 static GdkPixmap *m_inboxopenhrmxpm;
 138 static GdkBitmap *m_inboxopenhrmxpmmask;
 139 static GdkPixmap *m_outboxxpm;
 140 static GdkBitmap *m_outboxxpmmask;
 141 static GdkPixmap *m_outboxhrmxpm;
 142 static GdkBitmap *m_outboxhrmxpmmask;
 143 static GdkPixmap *m_outboxopenxpm;
 144 static GdkBitmap *m_outboxopenxpmmask;
 145 static GdkPixmap *m_outboxopenhrmxpm;
 146 static GdkBitmap *m_outboxopenhrmxpmmask;
 147 static GdkPixmap *m_folderxpm;
 148 static GdkBitmap *m_folderxpmmask;
 149 static GdkPixmap *m_folderhrmxpm;
 150 static GdkBitmap *m_folderhrmxpmmask;
 151 static GdkPixmap *m_folderopenxpm;
 152 static GdkBitmap *m_folderopenxpmmask;
 153 static GdkPixmap *m_folderopenhrmxpm;
 154 static GdkBitmap *m_folderopenhrmxpmmask;
 155 static GdkPixmap *m_trashopenxpm;
 156 static GdkBitmap *m_trashopenxpmmask;
 157 static GdkPixmap *m_trashopenhrmxpm;
 158 static GdkBitmap *m_trashopenhrmxpmmask;
 159 static GdkPixmap *m_trashxpm;
 160 static GdkBitmap *m_trashxpmmask;
 161 static GdkPixmap *m_trashhrmxpm;
 162 static GdkBitmap *m_trashhrmxpmmask;
 163 static GdkPixmap *m_queuexpm;
 164 static GdkBitmap *m_queuexpmmask;
 165 static GdkPixmap *m_queuehrmxpm;
 166 static GdkBitmap *m_queuehrmxpmmask;
 167 static GdkPixmap *m_queueopenxpm;
 168 static GdkBitmap *m_queueopenxpmmask;
 169 static GdkPixmap *m_queueopenhrmxpm;
 170 static GdkBitmap *m_queueopenhrmxpmmask;
 171 static GdkPixmap *m_draftsxpm;
 172 static GdkBitmap *m_draftsxpmmask;
 173 static GdkPixmap *m_draftsopenxpm;
 174 static GdkBitmap *m_draftsopenxpmmask;
 175
 176 static GdkPixmap *newxpm;
 177 static GdkBitmap *newxpmmask;
 178 static GdkPixmap *unreadxpm;
 179 static GdkBitmap *unreadxpmmask;
 180 static GdkPixmap *readxpm;
 181 static GdkBitmap *readxpmmask;
 182
 183 static void folderview_select_node       (FolderView    *folderview,
 184                                           GtkCTreeNode  *node);
 185 static void folderview_set_folders       (FolderView    *folderview);
 186 static void folderview_sort_folders      (FolderView    *folderview,
 187                                           GtkCTreeNode  *root,
 188                                           Folder        *folder);
 189 static void folderview_append_folder     (FolderView    *folderview,
 190                                           Folder        *folder);
 191 static void folderview_update_node       (FolderView    *folderview,
 192                                           GtkCTreeNode  *node);
 193
 194 static gint folderview_clist_compare    (GtkCList       *clist,
 195                                          gconstpointer   ptr1,
 196                                          gconstpointer   ptr2);
 197
 198 /* callback functions */
 199 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_button_released      (GtkWidget      *ctree,
 203                                                  GdkEventButton *event,
 204                                                  FolderView     *folderview);
 205 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 206                                          GdkEventKey    *event,
 207                                          FolderView     *folderview);
 208 static void folderview_selected         (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *row,
 210                                          gint            column,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_expanded    (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 216                                          GtkCTreeNode   *node,
 217                                          FolderView     *folderview);
 218 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 219                                          FolderView     *folderview);
 220 static void folderview_col_resized      (GtkCList       *clist,
 221                                          gint            column,
 222                                          gint            width,
 223                                          FolderView     *folderview);
 224
 225 static void mark_all_read_cb            (FolderView    *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_empty_trash_cb   (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_send_queue_cb    (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static void folderview_search_cb        (FolderView     *folderview,
 238                                          guint           action,
 239                                          GtkWidget      *widget);
 240 static void folderview_run_processing_cb(FolderView     *folderview,
 241                                          guint           action,
 242                                          GtkWidget      *widget);
 243
 244 static void folderview_property_cb      (FolderView     *folderview,
 245                                          guint           action,
 246                                          GtkWidget      *widget);
 247
 248 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 249                                           GdkDragContext *context,
 250                                           gint            x,
 251                                           gint            y,
 252                                           guint           time,
 253                                           FolderView     *folderview);
 254 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 255                                           GdkDragContext   *context,
 256                                           guint             time,
 257                                           FolderView       *folderview);
 258 static void folderview_drag_received_cb  (GtkWidget        *widget,
 259                                           GdkDragContext   *drag_context,
 260                                           gint              x,
 261                                           gint              y,
 262                                           GtkSelectionData *data,
 263                                           guint             info,
 264                                           guint             time,
 265                                           FolderView       *folderview);
 266 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 267                                           FolderView       *folderview);
 268 static void folderview_drag_data_get     (GtkWidget        *widget,
 269                                           GdkDragContext   *drag_context,
 270                                           GtkSelectionData *selection_data,
 271                                           guint             info,
 272                                           guint             time,
 273                                           FolderView       *folderview);
 274 static void folderview_drag_end_cb       (GtkWidget        *widget,
 275                                           GdkDragContext   *drag_context,
 276                                           FolderView       *folderview);
 277
 278 static void folderview_create_folder_node       (FolderView       *folderview,
 279                                           FolderItem       *item);
 280 static gboolean folderview_update_folder         (gpointer          source,
 281                                           gpointer          userdata);
 282 static gboolean folderview_update_item_claws     (gpointer          source,
 283                                           gpointer          data);
 284 static void folderview_processing_cb(FolderView *folderview, guint action,
 285                                      GtkWidget *widget);
 286 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 287                                 GdkEventButton *event);
 288
 289 GHashTable *folderview_popups;
 290
 291 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 292 {
 293         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 294         {"/---",                        NULL, NULL, 0, "<Separator>"},
 295         {N_("/R_un processing rules"),  NULL, folderview_run_processing_cb, 0, NULL},
 296         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 297         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 298         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 299 };
 300
 301 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 302         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 303         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 304 };
 305
 306 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 307         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 308         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 309 };
 310
 311
 312 GtkTargetEntry folderview_drag_types[] =
 313 {
 314         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 315         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 316 };
 317
 318 void folderview_initialize(void)
 319 {
 320         FolderViewPopup *fpopup;
 321         guint i, n_entries;
 322         GSList *entries = NULL;
 323
 324         fpopup = g_new0(FolderViewPopup, 1);
 325
 326         n_entries = sizeof(folderview_common_popup_entries) /
 327                 sizeof(folderview_common_popup_entries[0]);
 328         for (i = 0; i < n_entries; i++)
 329                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 330
 331         fpopup->klass = "common";
 332         fpopup->path = "<CommonFolder>";
 333         fpopup->entries = entries;
 334         fpopup->set_sensitivity = NULL;
 335
 336         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 337         g_hash_table_insert(folderview_popups, "common", fpopup);
 338 }
 339
 340 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 341 {
 342         GSList *entries;
 343         GtkItemFactory *factory;
 344         FolderViewPopup *fpopup_common;
 345         GtkWidget *popup;
 346
 347         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 348         gtk_item_factory_set_translate_func(factory, menu_translate,
 349                                             NULL, NULL);
 350
 351         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 352                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 353
 354         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 355         if (fpopup_common != fpopup)
 356                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 357                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 358
 359         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 360         g_signal_connect(G_OBJECT(popup), "selection_done",
 361                          G_CALLBACK(folderview_popup_close),
 362                          folderview);
 363
 364         return factory;
 365 }
 366
 367 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 368 {
 369         FolderView *folderview = data;
 370         FolderViewPopup *fpopup = value;
 371         GtkItemFactory *factory;
 372
 373         factory = create_ifactory(folderview, fpopup);
 374         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 375 }
 376
 377 static void folderview_column_set_titles(FolderView *folderview)
 378 {
 379         GtkWidget *ctree = folderview->ctree;
 380         GtkWidget *label_folder;
 381         GtkWidget *label_new;
 382         GtkWidget *label_unread;
 383         GtkWidget *label_total;
 384         GtkWidget *hbox_folder;
 385         GtkWidget *hbox_new;
 386         GtkWidget *hbox_unread;
 387         GtkWidget *hbox_total;
 388         gint *col_pos = folderview->col_pos;
 389
 390         debug_print("setting titles...\n");
 391         gtk_widget_realize(folderview->ctree);
 392         gtk_widget_show_all(folderview->scrolledwin);
 393
 394         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 395          * instead text (text overflows making them unreadable and ugly) */
 396         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 397                          &newxpm, &newxpmmask);
 398         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 399                          &unreadxpm, &unreadxpmmask);
 400         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 401                          &readxpm, &readxpmmask);
 402
 403         label_folder = gtk_label_new(_("Folder"));
 404         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 405         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 406         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 407
 408         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 409
 410         hbox_folder = gtk_hbox_new(FALSE, 4);
 411         hbox_new = gtk_hbox_new(FALSE, 4);
 412         hbox_unread = gtk_hbox_new(FALSE, 4);
 413         hbox_total = gtk_hbox_new(FALSE, 4);
 414
 415         /* left justified */
 416         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 417         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 418         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 419         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 420         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 421         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 422         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 423         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 424
 425         gtk_widget_show_all(hbox_folder);
 426         gtk_widget_show_all(hbox_new);
 427         gtk_widget_show_all(hbox_unread);
 428         gtk_widget_show_all(hbox_total);
 429
 430 #ifdef MAEMO
 431         gtk_widget_set_size_request(hbox_new, -1, 20);
 432         gtk_widget_set_size_request(hbox_unread, -1, 20);
 433         gtk_widget_set_size_request(hbox_total, -1, 20);
 434 #endif
 435
 436         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 437         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 438         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 439         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 440
 441 #ifdef MAEMO
 442         GTK_EVENTS_FLUSH();
 443 #endif
 444
 445         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 446         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 447         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 448 }
 449
 450 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 451 {
 452         FolderView *folderview = (FolderView *)data;
 453         GdkEventButton event;
 454         if (folderview_get_selected_item(folderview) == NULL)
 455                 return FALSE;
 456
 457         event.button = 3;
 458         event.time = gtk_get_current_event_time();
 459
 460         folderview_set_sens_and_popup_menu(folderview, -1,
 461                                 &event);
 462
 463         return TRUE;
 464 }
 465
 466
 467 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 468 {
 469         GtkWidget *ctree;
 470         gint *col_pos;
 471         FolderColumnState *col_state;
 472         FolderColumnType type;
 473         gchar *titles[N_FOLDER_COLS];
 474         gint i;
 475         GtkWidget *scrolledwin = folderview->scrolledwin;
 476
 477         debug_print("creating tree...\n");
 478         memset(titles, 0, sizeof(titles));
 479
 480         col_state = prefs_folder_column_get_config();
 481         memset(titles, 0, sizeof(titles));
 482
 483         col_pos = folderview->col_pos;
 484
 485         for (i = 0; i < N_FOLDER_COLS; i++) {
 486                 folderview->col_state[i] = col_state[i];
 487                 type = col_state[i].type;
 488                 col_pos[type] = i;
 489         }
 490
 491         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 492         titles[col_pos[F_COL_NEW]]    = _("New");
 493         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 494         /* TRANSLATORS: This in Number sign in American style */
 495         titles[col_pos[F_COL_TOTAL]]  = _("#");
 496
 497         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 498                                            titles);
 499
 500         if (prefs_common.show_col_headers == FALSE)
 501                 gtk_clist_column_titles_hide(GTK_CLIST(ctree));
 502
 503
 504         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 505         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 506                                            GTK_JUSTIFY_RIGHT);
 507         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 508                                            col_pos[F_COL_UNREAD],
 509                                            GTK_JUSTIFY_RIGHT);
 510         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 511                                            col_pos[F_COL_TOTAL],
 512                                            GTK_JUSTIFY_RIGHT);
 513         if (prefs_common.enable_dotted_lines) {
 514                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 515                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 516                                      GTK_CTREE_EXPANDER_SQUARE);
 517         } else {
 518                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 519                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 520                                      GTK_CTREE_EXPANDER_TRIANGLE);
 521         }
 522
 523         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 524         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 525
 526         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 527         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 528
 529         /* don't let title buttons take key focus */
 530         for (i = 0; i < N_FOLDER_COLS; i++) {
 531                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 532                                        GTK_CAN_FOCUS);
 533                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 534                                    prefs_common.folder_col_size[i]);
 535                 gtk_clist_set_column_visibility
 536                         (GTK_CLIST(ctree), i, col_state[i].visible);
 537         }
 538
 539         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 540                          G_CALLBACK(folderview_key_pressed),
 541                          folderview);
 542         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 543                          G_CALLBACK(folderview_button_pressed),
 544                          folderview);
 545 #ifndef MAEMO
 546         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 547                          G_CALLBACK(folderview_popup_menu), folderview);
 548 #else
 549         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 550                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 551         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 552                          G_CALLBACK(folderview_popup_menu), folderview);
 553 #endif
 554         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 555                          G_CALLBACK(folderview_button_released),
 556                          folderview);
 557         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 558                          G_CALLBACK(folderview_selected), folderview);
 559 #ifndef MAEMO
 560         /* drag-n-dropping folders on maemo is impractical as this
 561          * opens the folder almost everytime */
 562         g_signal_connect(G_OBJECT(ctree), "start_drag",
 563                          G_CALLBACK(folderview_start_drag), folderview);
 564 #endif
 565         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 566                          G_CALLBACK(folderview_drag_data_get),
 567                          folderview);
 568
 569         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 570                                G_CALLBACK(folderview_tree_expanded),
 571                                folderview);
 572         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 573                                G_CALLBACK(folderview_tree_collapsed),
 574                                folderview);
 575
 576         g_signal_connect(G_OBJECT(ctree), "resize_column",
 577                          G_CALLBACK(folderview_col_resized),
 578                          folderview);
 579
 580         /* drop callback */
 581         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 582                           folderview_drag_types, 2,
 583                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 584         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 585                          G_CALLBACK(folderview_drag_motion_cb),
 586                          folderview);
 587         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 588                          G_CALLBACK(folderview_drag_leave_cb),
 589                          folderview);
 590         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 591                          G_CALLBACK(folderview_drag_received_cb),
 592                          folderview);
 593         g_signal_connect(G_OBJECT(ctree), "drag_end",
 594                          G_CALLBACK(folderview_drag_end_cb),
 595                          folderview);
 596
 597         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 598
 599         return ctree;
 600 }
 601
 602 void folderview_set_column_order(FolderView *folderview)
 603 {
 604         GtkWidget *ctree;
 605         FolderItem *item = folderview_get_selected_item(folderview);
 606         GtkWidget *scrolledwin = folderview->scrolledwin;
 607
 608         debug_print("recreating tree...\n");
 609         gtk_widget_destroy(folderview->ctree);
 610
 611         folderview->ctree = ctree = folderview_ctree_create(folderview);
 612         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 613                                             GTK_CLIST(ctree)->hadjustment);
 614         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 615                                             GTK_CLIST(ctree)->vadjustment);
 616         gtk_widget_show(ctree);
 617
 618         folderview_set(folderview);
 619         folderview_column_set_titles(folderview);
 620
 621         folderview_select(folderview,item);
 622 }
 623
 624 FolderView *folderview_create(void)
 625 {
 626         FolderView *folderview;
 627         GtkWidget *scrolledwin;
 628         GtkWidget *ctree;
 629
 630         debug_print("Creating folder view...\n");
 631         folderview = g_new0(FolderView, 1);
 632
 633         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 634         gtk_scrolled_window_set_policy
 635                 (GTK_SCROLLED_WINDOW(scrolledwin),
 636                  GTK_POLICY_AUTOMATIC,
 637                  prefs_common.folderview_vscrollbar_policy);
 638         gtk_widget_set_size_request(scrolledwin,
 639                              prefs_common.folderview_width,
 640                              prefs_common.folderview_height);
 641
 642         folderview->scrolledwin  = scrolledwin;
 643         ctree = folderview_ctree_create(folderview);
 644
 645         /* create popup factories */
 646         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 647         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 648
 649         folderview->ctree        = ctree;
 650
 651         folderview->folder_update_callback_id =
 652                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 653         folderview->folder_item_update_callback_id =
 654                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 655
 656         gtk_widget_show_all(scrolledwin);
 657
 658         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 659         folderview_list = g_list_append(folderview_list, folderview);
 660         folderview->deferred_refresh_id = -1;
 661
 662         return folderview;
 663 }
 664
 665 void folderview_init(FolderView *folderview)
 666 {
 667         GtkWidget *ctree = folderview->ctree;
 668         GdkColor gdk_color;
 669
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 686         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 687         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 688         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 689         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 690         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 691         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 692         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 693
 694         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 695         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 696         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 697         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 698         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 699         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 700         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 701         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 702         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 703         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 704         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 705         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 706         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 707         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 708         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 709         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 710         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 711         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 712         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 713         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 714         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 715         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 716
 717         if (!normal_style) {
 718                 PangoFontDescription *font_desc;
 719                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 720                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 721                 if (font_desc) {
 722                         if (normal_style->font_desc)
 723                                 pango_font_description_free
 724                                         (normal_style->font_desc);
 725                         normal_style->font_desc = font_desc;
 726                 }
 727                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 728                 normal_color_style = gtk_style_copy(normal_style);
 729                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 730
 731                 gtk_widget_set_style(ctree, normal_style);
 732         }
 733
 734         if (!bold_style) {
 735                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 736                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 737                 pango_font_description_set_weight
 738                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 739                 bold_color_style = gtk_style_copy(bold_style);
 740                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 741
 742                 bold_tgtfold_style = gtk_style_copy(bold_style);
 743                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 744         }
 745 }
 746
 747 static gboolean folderview_defer_set(gpointer data)
 748 {
 749         FolderView *folderview = (FolderView *)data;
 750         MainWindow *mainwin = folderview->mainwin;
 751
 752         if (!mainwin)
 753                 return FALSE;
 754         if (mainwin->lock_count)
 755                 return TRUE;
 756
 757         g_print("doing deferred folderview_set now\n");
 758         folderview_set(folderview);
 759
 760         folderview->deferred_refresh_id = -1;
 761         return FALSE;
 762 }
 763
 764 void folderview_set(FolderView *folderview)
 765 {
 766         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 767         MainWindow *mainwin = folderview->mainwin;
 768         FolderItem *sel_item = NULL, *op_item = NULL;
 769
 770         if (!mainwin)
 771                 return;
 772
 773         if (mainwin->lock_count) {
 774                 if (folderview->deferred_refresh_id == -1)
 775                         folderview->deferred_refresh_id =
 776                                 g_timeout_add(500, folderview_defer_set, folderview);
 777                 g_print("deferred folderview_set\n");
 778                 return;
 779         }
 780
 781         inc_lock();
 782         debug_print("Setting folder info...\n");
 783         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 784
 785         main_window_cursor_wait(mainwin);
 786
 787         if (folderview->selected)
 788                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 789         if (folderview->opened)
 790                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 791
 792         folderview->selected = NULL;
 793         folderview->opened = NULL;
 794
 795         gtk_clist_freeze(GTK_CLIST(ctree));
 796         gtk_clist_clear(GTK_CLIST(ctree));
 797
 798         folderview_set_folders(folderview);
 799
 800         if (sel_item)
 801                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 802         if (op_item)
 803                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 804
 805         gtk_clist_thaw(GTK_CLIST(ctree));
 806         main_window_cursor_normal(mainwin);
 807         STATUSBAR_POP(mainwin);
 808         inc_unlock();
 809 }
 810
 811 void folderview_set_all(void)
 812 {
 813         GList *list;
 814
 815         for (list = folderview_list; list != NULL; list = list->next)
 816                 folderview_set((FolderView *)list->data);
 817 }
 818
 819 void folderview_select(FolderView *folderview, FolderItem *item)
 820 {
 821         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 822         GtkCTreeNode *node;
 823         GtkCTreeNode *old_selected = folderview->selected;
 824
 825         if (!item) return;
 826
 827         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 828         if (node) folderview_select_node(folderview, node);
 829
 830         if (old_selected != node)
 831                 folder_update_op_count();
 832 }
 833
 834 static void mark_all_read_cb(FolderView *folderview, guint action,
 835                              GtkWidget *widget)
 836 {
 837         FolderItem *item;
 838         AlertValue val;
 839
 840         item = folderview_get_selected_item(folderview);
 841         if (item == NULL)
 842                 return;
 843
 844         if (folderview->summaryview->folder_item != item
 845         &&  prefs_common.ask_mark_all_read) {
 846                 val = alertpanel_full(_("Mark all as read"),
 847                         _("Do you really want to mark all mails in this "
 848                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 849                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 850
 851                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 852                         return;
 853                 else if (val & G_ALERTDISABLE)
 854                         prefs_common.ask_mark_all_read = FALSE;
 855         }
 856
 857         summary_lock(folderview->summaryview);
 858         folder_item_update_freeze();
 859         if (folderview->summaryview->folder_item == item)
 860                 summary_freeze(folderview->summaryview);
 861         folderutils_mark_all_read(item);
 862         if (folderview->summaryview->folder_item == item)
 863                 summary_thaw(folderview->summaryview);
 864         folder_item_update_thaw();
 865         summary_unlock(folderview->summaryview);
 866 }
 867
 868 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 869 {
 870         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 871
 872         g_return_if_fail(node != NULL);
 873
 874         if (folderview->open_folder) {
 875                 return;
 876         }
 877
 878         folderview->open_folder = TRUE;
 879         gtkut_ctree_set_focus_row(ctree, node);
 880         gtk_ctree_select(ctree, node);
 881         if (folderview->summaryview->folder_item &&
 882             folderview->summaryview->folder_item->total_msgs > 0)
 883                 summary_grab_focus(folderview->summaryview);
 884         else
 885                 gtk_widget_grab_focus(folderview->ctree);
 886
 887         gtkut_ctree_expand_parent_all(ctree, node);
 888 }
 889
 890 void folderview_unselect(FolderView *folderview)
 891 {
 892         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 893                 gtk_ctree_collapse
 894                         (GTK_CTREE(folderview->ctree), folderview->opened);
 895
 896         folderview->selected = folderview->opened = NULL;
 897 }
 898
 899 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 900                                                  GtkCTreeNode *node)
 901 {
 902         FolderItem *item;
 903
 904         if (node)
 905                 node = gtkut_ctree_node_next(ctree, node);
 906         else
 907                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 908
 909         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 910                 item = gtk_ctree_node_get_row_data(ctree, node);
 911                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 912                         return node;
 913         }
 914
 915         return NULL;
 916 }
 917
 918 void folderview_select_next_marked(FolderView *folderview)
 919 {
 920         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 921         GtkCTreeNode *node = NULL;
 922         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 923         gboolean last_open = prefs_common.always_show_msg;
 924
 925         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 926         prefs_common.always_show_msg = TRUE;
 927
 928         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 929             != NULL) {
 930                 folderview_select_node(folderview, node);
 931                 goto out;
 932         }
 933
 934         if (!folderview->opened ||
 935             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 936                 goto out;
 937         }
 938         /* search again from the first node */
 939         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 940                 folderview_select_node(folderview, node);
 941
 942 out:
 943         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 944         prefs_common.always_show_msg = last_open;
 945 }
 946
 947 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 948                                                  GtkCTreeNode *node)
 949 {
 950         FolderItem *item;
 951
 952         if (node)
 953                 node = gtkut_ctree_node_next(ctree, node);
 954         else
 955                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 956
 957         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 958                 item = gtk_ctree_node_get_row_data(ctree, node);
 959                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 960                         return node;
 961         }
 962
 963         return NULL;
 964 }
 965
 966 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 967 {
 968         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 969         GtkCTreeNode *node = NULL;
 970         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 971         gboolean last_open = prefs_common.always_show_msg;
 972
 973         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 974         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 975
 976         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 977             != NULL) {
 978                 folderview_select_node(folderview, node);
 979                 goto out;
 980         }
 981
 982         if (!folderview->opened ||
 983             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 984                 goto out;
 985         }
 986         /* search again from the first node */
 987         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 988                 folderview_select_node(folderview, node);
 989
 990 out:
 991         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 992         prefs_common.always_show_msg = last_open;
 993 }
 994
 995 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 996                                                  GtkCTreeNode *node)
 997 {
 998         FolderItem *item;
 999
1000         if (node)
1001                 node = gtkut_ctree_node_next(ctree, node);
1002         else
1003                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1004
1005         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1006                 item = gtk_ctree_node_get_row_data(ctree, node);
1007                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
1008                         return node;
1009         }
1010
1011         return NULL;
1012 }
1013
1014 void folderview_select_next_new(FolderView *folderview)
1015 {
1016         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1017         GtkCTreeNode *node = NULL;
1018         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1019         gboolean last_open = prefs_common.always_show_msg;
1020
1021         prefs_common.summary_select_prio[0] = ACTION_NEW;
1022         prefs_common.always_show_msg = TRUE;
1023
1024         if ((node = folderview_find_next_new(ctree, folderview->opened))
1025             != NULL) {
1026                 folderview_select_node(folderview, node);
1027                 goto out;
1028         }
1029
1030         if (!folderview->opened ||
1031             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1032                 goto out;
1033         }
1034         /* search again from the first node */
1035         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1036                 folderview_select_node(folderview, node);
1037
1038 out:
1039         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1040         prefs_common.always_show_msg = last_open;
1041 }
1042
1043 FolderItem *folderview_get_selected_item(FolderView *folderview)
1044 {
1045         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1046
1047         if (!folderview->selected) return NULL;
1048         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1049 }
1050
1051 static void folderview_set_folders(FolderView *folderview)
1052 {
1053         GList *list;
1054         list = folder_get_list();
1055
1056         for (; list != NULL; list = list->next) {
1057                 folderview_append_folder(folderview, FOLDER(list->data));
1058         }
1059 }
1060
1061 static gchar *get_scan_str(FolderItem *item)
1062 {
1063         if (item->path)
1064                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1065                                       item->folder->name, G_DIR_SEPARATOR,
1066                                       item->path);
1067         else
1068                 return g_strdup_printf(_("Scanning folder %s ..."),
1069                                       item->folder->name);
1070 }
1071 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1072                                       gpointer data)
1073 {
1074         GList *list;
1075         for (list = folderview_list; list != NULL; list = list->next) {
1076                 FolderView *folderview = (FolderView *)list->data;
1077                 MainWindow *mainwin = folderview->mainwin;
1078                 gchar *str = get_scan_str(item);
1079
1080                 STATUSBAR_PUSH(mainwin, str);
1081                 STATUSBAR_POP(mainwin);
1082                 g_free(str);
1083         }
1084 }
1085
1086 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1087 {
1088         GtkWidget *window;
1089         MainWindow *mainwin = mainwindow_get_mainwindow();
1090         FolderView *folderview = NULL;
1091         GtkAdjustment *pos = NULL;
1092         gint height = 0;
1093
1094         g_return_if_fail(folder != NULL);
1095
1096         if (!folder->klass->scan_tree) return;
1097
1098         if (rebuild &&
1099             alertpanel_full(_("Rebuild folder tree"),
1100                          _("Rebuilding the folder tree will remove "
1101                            "local caches. Do you want to continue?"),
1102                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1103                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1104                 != G_ALERTALTERNATE) {
1105                 return;
1106         }
1107
1108         inc_lock();
1109         if (rebuild)
1110                 window = label_window_create(_("Rebuilding folder tree..."));
1111         else
1112                 window = label_window_create(_("Scanning folder tree..."));
1113
1114         if (mainwin)
1115                 folderview = mainwin->folderview;
1116
1117         if (folderview) {
1118                 pos = gtk_scrolled_window_get_vadjustment(
1119                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1120                 height = pos->value;
1121         }
1122
1123         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1124         folder_scan_tree(folder, rebuild);
1125         folder_set_ui_func(folder, NULL, NULL);
1126
1127         folderview_set_all();
1128
1129         if (folderview) {
1130                 pos = gtk_scrolled_window_get_vadjustment(
1131                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1132                 gtk_adjustment_set_value(pos, height);
1133         }
1134         label_window_destroy(window);
1135         inc_unlock();
1136 }
1137
1138 void folderview_fast_rescan_tree(Folder *folder)
1139 {
1140         GtkWidget *window;
1141         MainWindow *mainwin = mainwindow_get_mainwindow();
1142         FolderView *folderview = NULL;
1143         GtkAdjustment *pos = NULL;
1144         gint height = 0;
1145
1146         g_return_if_fail(folder != NULL);
1147
1148         if (!folder->klass->scan_tree) return;
1149
1150         inc_lock();
1151
1152         window = label_window_create(_("Scanning folder tree..."));
1153
1154         if (mainwin)
1155                 folderview = mainwin->folderview;
1156
1157         if (folderview) {
1158                 pos = gtk_scrolled_window_get_vadjustment(
1159                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1160                 height = pos->value;
1161         }
1162
1163         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1164         folder_fast_scan_tree(folder);
1165         folder_set_ui_func(folder, NULL, NULL);
1166
1167         folderview_set_all();
1168
1169         if (folderview) {
1170                 pos = gtk_scrolled_window_get_vadjustment(
1171                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1172                 gtk_adjustment_set_value(pos, height);
1173         }
1174         label_window_destroy(window);
1175         inc_unlock();
1176 }
1177
1178 /** folderview_check_new()
1179  *  Scan and update the folder and return the
1180  *  count the number of new messages since last check.
1181  *  \param folder the folder to check for new messages
1182  *  \return the number of new messages since last check
1183  */
1184 gint folderview_check_new(Folder *folder)
1185 {
1186         GList *list;
1187         FolderItem *item;
1188         FolderView *folderview;
1189         GtkCTree *ctree;
1190         GtkCTreeNode *node;
1191         gint new_msgs = 0;
1192         gint former_new_msgs = 0;
1193         gint former_new = 0, former_unread = 0, former_total;
1194
1195         for (list = folderview_list; list != NULL; list = list->next) {
1196                 folderview = (FolderView *)list->data;
1197                 ctree = GTK_CTREE(folderview->ctree);
1198
1199                 inc_lock();
1200                 main_window_lock(folderview->mainwin);
1201
1202                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1203                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1204                         gchar *str = NULL;
1205                         item = gtk_ctree_node_get_row_data(ctree, node);
1206                         if (!item || !item->path || !item->folder) continue;
1207                         if (item->no_select) continue;
1208                         if (folder && folder != item->folder) continue;
1209                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1210                         if (!item->prefs->newmailcheck) continue;
1211                         if (item->processing_pending == TRUE) {
1212                                 debug_print("skipping %s, processing pending\n",
1213                                         item->path ? item->path : item->name);
1214                                 continue;
1215                         }
1216
1217                         str = get_scan_str(item);
1218
1219                         STATUSBAR_PUSH(folderview->mainwin, str);
1220                         GTK_EVENTS_FLUSH();
1221                         g_free(str);
1222
1223                         folderview_scan_tree_func(item->folder, item, NULL);
1224                         former_new    = item->new_msgs;
1225                         former_unread = item->unread_msgs;
1226                         former_total  = item->total_msgs;
1227
1228                         if (item->folder->klass->scan_required &&
1229                             (item->folder->klass->scan_required(item->folder, item) ||
1230                              item->folder->inbox == item ||
1231                              item->opened == TRUE ||
1232                              item->processing_pending == TRUE)) {
1233                                 if (folder_item_scan(item) < 0) {
1234                                         if (folder) {
1235                                                 summaryview_unlock(folderview->summaryview, item);
1236                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1237                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1238                                                                 item->path ? item->path:item->name);
1239                                                         STATUSBAR_POP(folderview->mainwin);
1240                                                         continue;
1241                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1242                                                         STATUSBAR_POP(folderview->mainwin);
1243                                                         break;
1244                                                 }
1245                                         }
1246                                 }
1247                         } else if (!item->folder->klass->scan_required) {
1248                                 if (folder_item_scan(item) < 0) {
1249                                         summaryview_unlock(folderview->summaryview, item);
1250                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1251                                                 STATUSBAR_POP(folderview->mainwin);
1252                                                 break;
1253                                         }
1254                                 }
1255                         }
1256                         if (former_new    != item->new_msgs ||
1257                             former_unread != item->unread_msgs ||
1258                             former_total  != item->total_msgs)
1259                                 folderview_update_node(folderview, node);
1260
1261                         new_msgs += item->new_msgs;
1262                         former_new_msgs += former_new;
1263                         STATUSBAR_POP(folderview->mainwin);
1264                 }
1265
1266                 main_window_unlock(folderview->mainwin);
1267                 inc_unlock();
1268         }
1269
1270         folder_write_list();
1271         /* Number of new messages since last check is the just the difference
1272          * between former_new_msgs and new_msgs. If new_msgs is less than
1273          * former_new_msgs, that would mean another session accessed the folder
1274          * and the result is not well defined.
1275          */
1276         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1277         return new_msgs;
1278 }
1279
1280 void folderview_check_new_all(void)
1281 {
1282         GList *list;
1283         GtkWidget *window;
1284         FolderView *folderview;
1285
1286         folderview = (FolderView *)folderview_list->data;
1287
1288         inc_lock();
1289         main_window_lock(folderview->mainwin);
1290         window = label_window_create
1291                 (_("Checking for new messages in all folders..."));
1292
1293         list = folder_get_list();
1294         for (; list != NULL; list = list->next) {
1295                 Folder *folder = list->data;
1296
1297                 folderview_check_new(folder);
1298         }
1299
1300         folder_write_list();
1301         folderview_set_all();
1302
1303         label_window_destroy(window);
1304         main_window_unlock(folderview->mainwin);
1305         inc_unlock();
1306 }
1307
1308 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1309                                                  FolderItem *item,
1310                                                  gboolean in_sub)
1311 {
1312         GNode *node = NULL;
1313
1314         if (!item || !item->folder || !item->folder->node)
1315                 return FALSE;
1316
1317         node = item->folder->node;
1318
1319         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1320         node = node->children;
1321
1322         if (in_sub &&
1323             (item->new_msgs > 0 ||
1324             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1325                 return TRUE;
1326         }
1327
1328         while (node != NULL) {
1329                 if (node && node->data) {
1330                         FolderItem *next_item = (FolderItem*) node->data;
1331                         node = node->next;
1332                         if (folderview_have_new_children_sub(folderview,
1333                                                              next_item, TRUE))
1334                                 return TRUE;
1335                 }
1336         }
1337
1338         return FALSE;
1339 }
1340
1341 static gboolean folderview_have_new_children(FolderView *folderview,
1342                                              FolderItem *item)
1343 {
1344         return folderview_have_new_children_sub(folderview, item, FALSE);
1345 }
1346
1347 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1348                                                     FolderItem *item,
1349                                                     gboolean in_sub)
1350 {
1351         GNode *node = NULL;
1352
1353         if (!item || !item->folder || !item->folder->node)
1354                 return FALSE;
1355
1356         node = item->folder->node;
1357
1358         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1359         node = node->children;
1360
1361         if (in_sub &&
1362             (item->unread_msgs > 0 ||
1363             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1364                 return TRUE;
1365         }
1366
1367         while (node != NULL) {
1368                 if (node && node->data) {
1369                         FolderItem *next_item = (FolderItem*) node->data;
1370                         node = node->next;
1371                         if (folderview_have_unread_children_sub(folderview,
1372                                                                 next_item,
1373                                                                 TRUE))
1374                                 return TRUE;
1375                 }
1376         }
1377
1378         return FALSE;
1379 }
1380
1381 static gboolean folderview_have_unread_children(FolderView *folderview,
1382                                                 FolderItem *item)
1383 {
1384         return folderview_have_unread_children_sub(folderview, item, FALSE);
1385 }
1386
1387 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1388                                                       FolderItem *item,
1389                                                       gboolean in_sub)
1390 {
1391         GNode *node = NULL;
1392
1393         if (!item || !item->folder || !item->folder->node)
1394                 return FALSE;
1395
1396         node = item->folder->node;
1397
1398         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1399         node = node->children;
1400
1401         if (in_sub && item->search_match){
1402                 return TRUE;
1403         }
1404
1405         while (node != NULL) {
1406                 if (node && node->data) {
1407                         FolderItem *next_item = (FolderItem*) node->data;
1408                         node = node->next;
1409                         if (folderview_have_matching_children_sub(folderview,
1410                                                                   next_item,
1411                                                                   TRUE))
1412                                 return TRUE;
1413                 }
1414         }
1415
1416         return FALSE;
1417 }
1418
1419 static gboolean folderview_have_matching_children(FolderView *folderview,
1420                                                   FolderItem *item)
1421 {
1422         return folderview_have_matching_children_sub(folderview, item, FALSE);
1423 }
1424
1425 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1426                                                     FolderItem *item,
1427                                                     gboolean in_sub)
1428 {
1429         GNode *node = NULL;
1430
1431         if (!item || !item->folder || !item->folder->node)
1432                 return FALSE;
1433
1434         node = item->folder->node;
1435
1436         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1437         node = node->children;
1438
1439         if (item->marked_msgs != 0) {
1440                 return TRUE;
1441         }
1442
1443         while (node != NULL) {
1444                 if (node && node->data) {
1445                         FolderItem *next_item = (FolderItem*) node->data;
1446                         node = node->next;
1447                         if (folderview_have_marked_children_sub(folderview,
1448                                                                 next_item, TRUE))
1449                                 return TRUE;
1450                 }
1451         }
1452
1453         return FALSE;
1454 }
1455
1456 static gboolean folderview_have_marked_children(FolderView *folderview,
1457                                              FolderItem *item)
1458 {
1459         return folderview_have_marked_children_sub(folderview, item, FALSE);
1460 }
1461
1462 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1463 {
1464         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1465         GtkStyle *style = NULL;
1466         GtkStyle *color_style = NULL;
1467         FolderItem *item;
1468         GdkPixmap *xpm, *openxpm;
1469         GdkBitmap *mask, *openmask;
1470         static GdkPixmap *searchicon;
1471         static GdkBitmap *searchmask;
1472         gboolean mark = FALSE;
1473         gchar *name;
1474         gchar *str;
1475         gboolean add_unread_mark;
1476         gboolean add_sub_match_mark;
1477         gboolean use_bold, use_color;
1478         gint *col_pos = folderview->col_pos;
1479         SpecialFolderItemType stype;
1480
1481         item = gtk_ctree_node_get_row_data(ctree, node);
1482         g_return_if_fail(item != NULL);
1483
1484         if (!GTK_CTREE_ROW(node)->expanded)
1485                 mark = folderview_have_marked_children(folderview, item);
1486         else
1487                 mark = (item->marked_msgs != 0);
1488
1489         stype = item->stype;
1490         if (stype == F_NORMAL) {
1491                 if (folder_has_parent_of_type(item, F_TRASH))
1492                         stype = F_TRASH;
1493                 else if (folder_has_parent_of_type(item, F_DRAFT))
1494                         stype = F_DRAFT;
1495                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1496                         stype = F_OUTBOX;
1497                 else if (folder_has_parent_of_type(item, F_QUEUE))
1498                         stype = F_QUEUE;
1499         }
1500         switch (stype) {
1501         case F_INBOX:
1502                 if (item->hide_read_msgs) {
1503                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1504                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1505                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1506                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1507                 } else {
1508                         xpm = mark?m_inboxxpm:inboxxpm;
1509                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1510                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1511                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1512                 }
1513                 break;
1514         case F_OUTBOX:
1515                 if (item->hide_read_msgs) {
1516                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1517                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1518                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1519                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1520                 } else {
1521                         xpm = mark?m_outboxxpm:outboxxpm;
1522                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1523                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1524                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1525                 }
1526                 break;
1527         case F_QUEUE:
1528                 if (item->hide_read_msgs) {
1529                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1530                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1531                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1532                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1533                 } else {
1534                         xpm = mark?m_queuexpm:queuexpm;
1535                         mask = mark?m_queuexpmmask:queuexpmmask;
1536                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1537                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1538                 }
1539                 break;
1540         case F_TRASH:
1541                 if (item->hide_read_msgs) {
1542                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1543                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1544                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1545                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1546                 } else {
1547                         xpm = mark?m_trashxpm:trashxpm;
1548                         mask = mark?m_trashxpmmask:trashxpmmask;
1549                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1550                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1551                 }
1552                 break;
1553         case F_DRAFT:
1554                 xpm = mark?m_draftsxpm:draftsxpm;
1555                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1556                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1557                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1558                 break;
1559         default:
1560                 if (item->hide_read_msgs) {
1561                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1562                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1563                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1564                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1565                 } else {
1566                         xpm = mark?m_folderxpm:folderxpm;
1567                         mask = mark?m_folderxpmmask:folderxpmmask;
1568                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1569                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1570                 }
1571         }
1572
1573         if (item->no_select) {
1574                 xpm = openxpm = noselectxpm;
1575                 mask = openmask = noselectxpmmask;
1576         }
1577
1578         name = folder_item_get_name(item);
1579
1580         if (!GTK_CTREE_ROW(node)->expanded) {
1581                 add_unread_mark = folderview_have_unread_children(
1582                                         folderview, item);
1583                 add_sub_match_mark = folderview_have_matching_children(
1584                                         folderview, item);
1585         } else {
1586                 add_unread_mark = FALSE;
1587                 add_sub_match_mark = FALSE;
1588         }
1589
1590         if (item->search_match) {
1591                 if (!searchicon) {
1592                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1593                          &searchicon, &searchmask);
1594                 }
1595                 xpm = openxpm = searchicon;
1596                 mask = openmask = searchmask;
1597         }
1598
1599         str = NULL;
1600         if (prefs_common.display_folder_unread) {
1601                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1602                         /* only total_msgs matters here */
1603                         if (item->total_msgs > 0) {
1604                                 /* show total number (should be equal to the unread number)
1605                                    and signs if any */
1606                                 str = g_strdup_printf("%s (%d%s%s)",
1607                                                         name, item->total_msgs,
1608                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1609                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1610                         }
1611         } else {
1612                         if (prefs_common.display_folder_unread == 1) {
1613                                 if (item->unread_msgs > 0) {
1614                                         /* show unread number and signs */
1615                                         str = g_strdup_printf("%s (%d%s%s)",
1616                                                                 name, item->unread_msgs,
1617                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1618                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1619                                 }
1620                         } else {
1621                                 if (item->total_msgs > 0) {
1622                                         /* show unread number, total number and signs if any */
1623                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1624                                                                 name, item->unread_msgs, item->total_msgs,
1625                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1626                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1627                                 }
1628                         }
1629                 }
1630                 if ((str == NULL) &&
1631                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1632                         /* no unread/total numbers, but at least one sign */
1633                         str = g_strdup_printf("%s (%s%s)",
1634                                                 name,
1635                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1636                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1637                 }
1638         }
1639         if (str == NULL) {
1640                 /* last fallback, folder name only or with ! sign */
1641                 str = g_strdup_printf("%s%s",
1642                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1643         }
1644                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1645                                         xpm, mask, openxpm, openmask,
1646                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1647                 g_free(str);
1648         g_free(name);
1649
1650         if (!folder_item_parent(item)) {
1651                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1652                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1653                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1654         } else {
1655                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1656                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1657                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1658         }
1659
1660         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1661             folder_has_parent_of_type(item, F_DRAFT) ||
1662             folder_has_parent_of_type(item, F_TRASH)) {
1663                 use_bold = use_color = FALSE;
1664         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1665                 /* highlight queue folder if there are any messages */
1666                 use_bold = use_color = (item->total_msgs > 0);
1667         } else {
1668                 /* if unread messages exist, print with bold font */
1669                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1670                                 || add_unread_mark;
1671                 /* if new messages exist, print with colored letter */
1672                 use_color =
1673                         (item->new_msgs > 0) ||
1674                         (add_unread_mark &&
1675                          folderview_have_new_children(folderview, item));
1676         }
1677
1678         gtk_ctree_node_set_foreground(ctree, node, NULL);
1679
1680         if (use_bold) {
1681                 GdkColor gdk_color;
1682
1683                 if (item->prefs->color > 0 && !use_color) {
1684                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1685                         color_style = gtk_style_copy(bold_style);
1686                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1687                         style = color_style;
1688                 } else if (use_color) {
1689                         style = bold_color_style;
1690                 } else
1691                         style = bold_style;
1692                 if (item->op_count > 0) {
1693                         style = bold_tgtfold_style;
1694                 }
1695         } else if (use_color) {
1696                 style = normal_color_style;
1697                 gtk_ctree_node_set_foreground(ctree, node,
1698                                               &folderview->color_new);
1699         } else if (item->op_count > 0) {
1700                 style = bold_tgtfold_style;
1701         } else if (item->prefs->color > 0) {
1702                 GdkColor gdk_color;
1703                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1704                 color_style = gtk_style_copy(normal_style);
1705                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1706                 style = color_style;
1707         } else {
1708                 style = normal_style;
1709         }
1710
1711         gtk_ctree_node_set_row_style(ctree, node, style);
1712
1713         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1714                 folderview_update_node(folderview, node);
1715 }
1716
1717 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1718 {
1719         GList *list;
1720         FolderView *folderview;
1721         GtkCTree *ctree;
1722         GtkCTreeNode *node;
1723
1724         g_return_if_fail(item != NULL);
1725
1726         for (list = folderview_list; list != NULL; list = list->next) {
1727                 folderview = (FolderView *)list->data;
1728                 ctree = GTK_CTREE(folderview->ctree);
1729
1730                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1731                 if (node) {
1732                         item->search_match = matches;
1733                         folderview_update_node(folderview, node);
1734                 }
1735         }
1736 }
1737
1738 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1739 {
1740         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1741         FolderView *folderview = (FolderView *)data;
1742         GtkCTree *ctree;
1743         GtkCTreeNode *node;
1744         g_return_val_if_fail(update_info != NULL, TRUE);
1745         g_return_val_if_fail(update_info->item != NULL, TRUE);
1746         g_return_val_if_fail(folderview != NULL, FALSE);
1747
1748         ctree = GTK_CTREE(folderview->ctree);
1749
1750         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1751
1752         if (node) {
1753                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1754                         folderview_update_node(folderview, node);
1755
1756                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1757                      update_info->item == folderview->summaryview->folder_item &&
1758                      update_info->item != NULL)
1759                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1760                                 summary_show(folderview->summaryview, update_info->item);
1761         }
1762
1763         return FALSE;
1764 }
1765
1766 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1767                                       GNode *gnode, GtkCTreeNode *cnode,
1768                                       gpointer data)
1769 {
1770         FolderView *folderview = (FolderView *)data;
1771         FolderItem *item = FOLDER_ITEM(gnode->data);
1772
1773         g_return_val_if_fail(item != NULL, FALSE);
1774
1775         gtk_ctree_node_set_row_data(ctree, cnode, item);
1776         folderview_update_node(folderview, cnode);
1777
1778         return TRUE;
1779 }
1780
1781 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1782                                    gpointer data)
1783 {
1784         FolderView *folderview = (FolderView *)data;
1785         FolderItem *item;
1786
1787         if (GTK_CTREE_ROW(node)->children) {
1788                 item = gtk_ctree_node_get_row_data(ctree, node);
1789                 g_return_if_fail(item != NULL);
1790
1791                 if (!item->collapsed)
1792                         gtk_ctree_expand(ctree, node);
1793                 else
1794                         folderview_update_node(folderview, node);
1795         }
1796 }
1797
1798 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1799                                GtkCTreeNode *root, GtkCTreeNode **prev)
1800 {
1801         if (item) {
1802                 GtkCTreeNode *node, *parent, *sibling;
1803
1804                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1805                 if (!node)
1806                         g_warning("%s not found.\n", item->path);
1807                 else {
1808                         parent = GTK_CTREE_ROW(node)->parent;
1809                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1810                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1811                         else
1812                                 sibling = GTK_CTREE_ROW(parent)->children;
1813                         while (sibling) {
1814                                 FolderItem *tmp;
1815
1816                                 tmp = gtk_ctree_node_get_row_data
1817                                         (ctree, sibling);
1818                                 if (tmp->stype != F_NORMAL)
1819                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1820                                 else
1821                                         break;
1822                         }
1823                         if (node != sibling)
1824                                 gtk_ctree_move(ctree, node, parent, sibling);
1825                 }
1826
1827                 *prev = node;
1828         }
1829 }
1830
1831 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1832                                     Folder *folder)
1833 {
1834         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1835         GtkCTreeNode *prev = NULL;
1836
1837         gtk_clist_freeze(GTK_CLIST(ctree));
1838         gtk_sctree_sort_recursive(ctree, root);
1839         if (root && GTK_CTREE_ROW(root)->parent) {
1840                 gtk_clist_thaw(GTK_CLIST(ctree));
1841                 return;
1842         }
1843         set_special_folder(ctree, folder->inbox, root, &prev);
1844         set_special_folder(ctree, folder->outbox, root, &prev);
1845         set_special_folder(ctree, folder->draft, root, &prev);
1846         set_special_folder(ctree, folder->queue, root, &prev);
1847         set_special_folder(ctree, folder->trash, root, &prev);
1848         gtk_clist_thaw(GTK_CLIST(ctree));
1849 }
1850
1851 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1852 {
1853         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1854         GtkCTreeNode *root;
1855
1856         g_return_if_fail(folder != NULL);
1857
1858         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1859                                       folderview_gnode_func, folderview);
1860         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1861                                 folderview);
1862         folderview_sort_folders(folderview, root, folder);
1863 }
1864
1865 /* callback functions */
1866 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1867                                 GdkEventButton *event)
1868 {
1869         GtkCList *clist = GTK_CLIST(folderview->ctree);
1870         FolderItem *item;
1871         Folder *folder;
1872         FolderViewPopup *fpopup;
1873         GtkItemFactory *fpopup_factory;
1874         GtkWidget *popup;
1875         FolderItem *special_trash = NULL, *special_queue = NULL;
1876         PrefsAccount *ac;
1877
1878         if (row > 0)
1879                 item = gtk_clist_get_row_data(clist, row);
1880         else
1881                 item = folderview_get_selected_item(folderview);
1882
1883         g_return_if_fail(item != NULL);
1884         g_return_if_fail(item->folder != NULL);
1885         folder = item->folder;
1886
1887         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1888         if (fpopup != NULL)
1889                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1890         else {
1891                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1892                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1893         }
1894
1895         if (fpopup->set_sensitivity != NULL)
1896                 fpopup->set_sensitivity(fpopup_factory, item);
1897
1898         if (NULL != (ac = account_find_from_item(item))) {
1899                 special_trash = account_get_special_folder(ac, F_TRASH);
1900                 special_queue = account_get_special_folder(ac, F_QUEUE);
1901         }
1902
1903         if ((item == folder->trash || item == special_trash
1904              || folder_has_parent_of_type(item, F_TRASH)) &&
1905             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1906                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1907                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1908         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1909                 && !folder_has_parent_of_type(item, F_TRASH)) {
1910                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1911                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1912         }
1913
1914         if ((item == folder->queue || item == special_queue
1915              || folder_has_parent_of_type(item, F_QUEUE)) &&
1916             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1917                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1918                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1919         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1920                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1921                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1922                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1923         }
1924
1925 #define SET_SENS(name, sens) \
1926         menu_set_sensitive(fpopup_factory, name, sens)
1927
1928         if ( FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_TYPE(item->folder) == F_IMAP )
1929                 SET_SENS("/Download messages", !item->no_select);
1930         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1931         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1932                  folderview->selected == folderview->opened);
1933         SET_SENS("/Run processing rules", item->prefs->processing &&
1934                  item->total_msgs >= 1);
1935         SET_SENS("/Properties...", !item->no_select);
1936         SET_SENS("/Processing...", item->node->parent != NULL && !item->no_select);
1937         if (item == folder->trash || item == special_trash
1938             || folder_has_parent_of_type(item, F_TRASH)) {
1939                 GSList *msglist = folder_item_get_msg_list(item);
1940                 SET_SENS("/Empty trash...", msglist != NULL);
1941                 procmsg_msg_list_free(msglist);
1942         }
1943         if (item == folder->queue || item == special_queue
1944             || folder_has_parent_of_type(item, F_QUEUE)) {
1945                 GSList *msglist = folder_item_get_msg_list(item);
1946                 SET_SENS("/Send queue...", msglist != NULL);
1947                 procmsg_msg_list_free(msglist);
1948         }
1949 #undef SET_SENS
1950
1951         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1952         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1953                        event->button, event->time);
1954 }
1955
1956 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1957                                           FolderView *folderview)
1958 {
1959         GtkCList *clist = GTK_CLIST(ctree);
1960         gint prev_row = -1, row = -1, column = -1;
1961
1962         if (!event) return FALSE;
1963
1964         if (event->button == 1 || event->button == 2) {
1965                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1966                         folderview->open_folder = TRUE;
1967
1968                 if (event->type == GDK_2BUTTON_PRESS) {
1969                         if (clist->selection) {
1970                                 GtkCTreeNode *node;
1971
1972                                 node = GTK_CTREE_NODE(clist->selection->data);
1973                                 if (node) {
1974                                         gtk_ctree_toggle_expansion(
1975                                                 GTK_CTREE(ctree),
1976                                                 node);
1977                                         folderview->open_folder = FALSE;
1978                                 }
1979                         }
1980                 }
1981                 return FALSE;
1982         }
1983
1984         if (event->button == 2 || event->button == 3) {
1985                 /* right clicked */
1986                 if (clist->selection) {
1987                         GtkCTreeNode *node;
1988
1989                         node = GTK_CTREE_NODE(clist->selection->data);
1990                         if (node)
1991                                 prev_row = gtkut_ctree_get_nth_from_node
1992                                         (GTK_CTREE(ctree), node);
1993                 }
1994
1995                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1996                                                   &row, &column))
1997                         return FALSE;
1998                 if (prev_row != row) {
1999                         gtk_clist_unselect_all(clist);
2000                         if (event->button == 2)
2001                                 folderview_select_node
2002                                         (folderview,
2003                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
2004                                                             row));
2005                         else
2006                                 gtk_clist_select_row(clist, row, column);
2007                 }
2008         }
2009
2010         if (event->button != 3) return FALSE;
2011
2012         folderview_set_sens_and_popup_menu(folderview, row, event);
2013         return FALSE;
2014 }
2015
2016 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2017                                            FolderView *folderview)
2018 {
2019         int row = -1, column = -1;
2020
2021         if (!event) return FALSE;
2022
2023         if (!gtk_clist_get_selection_info(GTK_CLIST(ctree), event->x, event->y,
2024                                           &row, &column))
2025                 return FALSE;
2026         if (event->button == 1 && folderview->open_folder == FALSE &&
2027             folderview->opened != NULL) {
2028                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
2029                                           folderview->opened);
2030                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
2031         }
2032
2033         return FALSE;
2034 }
2035
2036 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2037                                        FolderView *folderview)
2038 {
2039         if (!event) return FALSE;
2040
2041         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2042                 return FALSE;
2043
2044         switch (event->keyval) {
2045         case GDK_Right:
2046 #ifndef MAEMO
2047         case GDK_Return:
2048         case GDK_KP_Enter:
2049 #endif
2050                 if (folderview->selected) {
2051                         folderview_select_node(folderview,
2052                                                folderview->selected);
2053                 }
2054                 break;
2055 #ifdef MAEMO
2056         case GDK_Return:
2057                 if (folderview->selected && GTK_CTREE_ROW(folderview->selected)->children) {
2058                         gtk_ctree_toggle_expansion(
2059                                 GTK_CTREE(folderview->ctree),
2060                                 folderview->selected);
2061                 }
2062                 break;
2063 #endif
2064         case GDK_space:
2065                 if (folderview->selected) {
2066                         if (folderview->opened == folderview->selected &&
2067                             (!folderview->summaryview->folder_item ||
2068                              folderview->summaryview->folder_item->total_msgs == 0))
2069                                 folderview_select_next_unread(folderview, TRUE);
2070                         else
2071                                 folderview_select_node(folderview,
2072                                                        folderview->selected);
2073                 }
2074                 break;
2075         default:
2076                 break;
2077         }
2078
2079         return FALSE;
2080 }
2081
2082 typedef struct _PostponedSelectData
2083 {
2084         GtkCTree *ctree;
2085         GtkCTreeNode *row;
2086         gint column;
2087         FolderView *folderview;
2088 } PostponedSelectData;
2089
2090 static gboolean postpone_select(void *data)
2091 {
2092         PostponedSelectData *psdata = (PostponedSelectData *)data;
2093         debug_print("trying again\n");
2094         psdata->folderview->open_folder = TRUE;
2095         main_window_cursor_normal(psdata->folderview->mainwin);
2096         STATUSBAR_POP(psdata->folderview->mainwin);
2097         folderview_selected(psdata->ctree, psdata->row,
2098                             psdata->column, psdata->folderview);
2099         g_free(psdata);
2100         return FALSE;
2101 }
2102
2103 void folderview_close_opened(FolderView *folderview)
2104 {
2105         if (folderview->opened) {
2106                 FolderItem *olditem;
2107
2108                 olditem = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree),
2109                                                       folderview->opened);
2110                 if (olditem) {
2111                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2112                                 olditem->path ? olditem->path:olditem->name);
2113                         /* will be null if we just moved the previously opened folder */
2114                         STATUSBAR_PUSH(folderview->mainwin, buf);
2115                         main_window_cursor_wait(folderview->mainwin);
2116                         g_free(buf);
2117                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2118                         summary_show(folderview->summaryview, NULL);
2119                         folder_item_close(olditem);
2120                         main_window_cursor_normal(folderview->mainwin);
2121                         STATUSBAR_POP(folderview->mainwin);
2122                 }
2123         }
2124
2125         if (folderview->opened &&
2126             !GTK_CTREE_ROW(folderview->opened)->children)
2127                 gtk_ctree_collapse(GTK_CTREE(folderview->ctree), folderview->opened);
2128
2129         folderview->opened = NULL;
2130 }
2131 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2132                                 gint column, FolderView *folderview)
2133 {
2134         static gboolean can_select = TRUE;      /* exclusive lock */
2135         gboolean opened;
2136         FolderItem *item;
2137         gchar *buf;
2138         int res = 0;
2139         GtkCTreeNode *old_opened = folderview->opened;
2140         START_TIMING("");
2141         folderview->selected = row;
2142
2143         debug_print("newly selected %p, opened %p\n", folderview->selected,
2144                         folderview->opened);
2145         if (folderview->opened == row) {
2146                 folderview->open_folder = FALSE;
2147                 END_TIMING();
2148                 return;
2149         }
2150
2151         if (!can_select || summary_is_locked(folderview->summaryview)) {
2152                 if (folderview->opened) {
2153                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2154                         gtk_ctree_select(ctree, folderview->opened);
2155                 }
2156                 folderview->open_folder = FALSE;
2157                 END_TIMING();
2158                 return;
2159         }
2160
2161         if (!folderview->open_folder) {
2162                 END_TIMING();
2163                 return;
2164         }
2165         item = gtk_ctree_node_get_row_data(ctree, row);
2166         if (!item) {
2167                 END_TIMING();
2168                 folderview->open_folder = FALSE;
2169                 return;
2170         }
2171
2172         can_select = FALSE;
2173
2174         /* Save cache for old folder */
2175         /* We don't want to lose all caches if sylpheed crashed */
2176         /* resets folderview->opened to NULL */
2177         folderview_close_opened(folderview);
2178
2179         /* CLAWS: set compose button type: news folder items
2180          * always have a news folder as parent */
2181         if (item->folder)
2182                 toolbar_set_compose_button
2183                         (folderview->mainwin->toolbar,
2184                          FOLDER_TYPE(item->folder) == F_NEWS ?
2185                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2186
2187         if (item->path)
2188                 debug_print("Folder %s is selected\n", item->path);
2189
2190         if (!GTK_CTREE_ROW(row)->children)
2191                 gtk_ctree_expand(ctree, row);
2192
2193         /* ungrab the mouse event */
2194         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2195                 gtk_grab_remove(GTK_WIDGET(ctree));
2196                 if (gdk_pointer_is_grabbed())
2197                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2198         }
2199
2200         /* Open Folder */
2201         /* TODO: wwp: avoid displaying (null) in the status bar */
2202         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2203                                         item->path : "(null)");
2204         debug_print("%s\n", buf);
2205         STATUSBAR_PUSH(folderview->mainwin, buf);
2206         g_free(buf);
2207
2208         main_window_cursor_wait(folderview->mainwin);
2209
2210         res = folder_item_open(item);
2211         if (res == -1 && item->no_select == FALSE) {
2212                 main_window_cursor_normal(folderview->mainwin);
2213                 STATUSBAR_POP(folderview->mainwin);
2214
2215                 alertpanel_error(_("Folder could not be opened."));
2216
2217                 folderview->open_folder = FALSE;
2218                 can_select = TRUE;
2219                 END_TIMING();
2220                 return;
2221         } else if (res == -2 && item->no_select == FALSE) {
2222                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2223                 data->ctree = ctree;
2224                 data->row = row;
2225                 data->column = column;
2226                 data->folderview = folderview;
2227                 debug_print("postponing open of %s till end of scan\n",
2228                         item->path ? item->path:item->name);
2229                 folderview->open_folder = FALSE;
2230                 can_select = TRUE;
2231                 g_timeout_add(500, postpone_select, data);
2232                 END_TIMING();
2233                 return;
2234         }
2235
2236         main_window_cursor_normal(folderview->mainwin);
2237
2238         /* Show messages */
2239         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2240         opened = summary_show(folderview->summaryview, item);
2241
2242         folder_clean_cache_memory(item);
2243
2244         if (!opened) {
2245                 gtkut_ctree_set_focus_row(ctree, old_opened);
2246                 gtk_ctree_select(ctree, old_opened);
2247                 folderview->opened = old_opened;
2248         } else {
2249                 folderview->opened = row;
2250                 if (gtk_ctree_node_is_visible(ctree, row)
2251                     != GTK_VISIBILITY_FULL)
2252                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2253         }
2254
2255         STATUSBAR_POP(folderview->mainwin);
2256
2257         folderview->open_folder = FALSE;
2258         can_select = TRUE;
2259         END_TIMING();
2260 }
2261
2262 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2263                                      FolderView *folderview)
2264 {
2265         FolderItem *item;
2266
2267         item = gtk_ctree_node_get_row_data(ctree, node);
2268         g_return_if_fail(item != NULL);
2269         item->collapsed = FALSE;
2270         folderview_update_node(folderview, node);
2271 }
2272
2273 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2274                                       FolderView *folderview)
2275 {
2276         FolderItem *item;
2277
2278         item = gtk_ctree_node_get_row_data(ctree, node);
2279         g_return_if_fail(item != NULL);
2280         item->collapsed = TRUE;
2281         folderview_update_node(folderview, node);
2282 }
2283
2284 static void folderview_popup_close(GtkMenuShell *menu_shell,
2285                                    FolderView *folderview)
2286 {
2287         if (!folderview->opened) return;
2288
2289         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2290 }
2291
2292 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2293                                    FolderView *folderview)
2294 {
2295         FolderColumnType type = folderview->col_state[column].type;
2296
2297         prefs_common.folder_col_size[type] = width;
2298 }
2299
2300 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2301 {
2302         GNode *srcnode;
2303
2304         folderview_create_folder_node(folderview, item);
2305
2306         if (!item || !item->folder || !item->folder->node)
2307                 return;
2308
2309         srcnode = item->folder->node;
2310         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2311         srcnode = srcnode->children;
2312         while (srcnode != NULL) {
2313                 if (srcnode && srcnode->data) {
2314                         FolderItem *next_item = (FolderItem*) srcnode->data;
2315                         folderview_create_folder_node_recursive(folderview, next_item);
2316                 }
2317                 srcnode = srcnode->next;
2318         }
2319 }
2320
2321 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2322 {
2323         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2324         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2325         GtkCTreeNode *node, *parent_node;
2326         gint *col_pos = folderview->col_pos;
2327         FolderItemUpdateData hookdata;
2328
2329         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2330         if (parent_node == NULL)
2331                 return;
2332
2333         gtk_clist_freeze(GTK_CLIST(ctree));
2334
2335         text[col_pos[F_COL_FOLDER]] = item->name;
2336         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2337                                      FOLDER_SPACING,
2338                                      folderxpm, folderxpmmask,
2339                                      folderopenxpm, folderopenxpmmask,
2340                                      FALSE, FALSE);
2341         gtk_ctree_expand(ctree, parent_node);
2342         gtk_ctree_node_set_row_data(ctree, node, item);
2343         if (normal_style)
2344                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2345         folderview_sort_folders(folderview, parent_node, item->folder);
2346
2347         hookdata.item = item;
2348         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2349         hookdata.msg = NULL;
2350         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2351
2352         gtk_clist_thaw(GTK_CLIST(ctree));
2353 }
2354
2355 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2356                                       GtkWidget *widget)
2357 {
2358         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2359         FolderItem *item;
2360         GSList *mlist = NULL;
2361         GSList *cur = NULL;
2362         FolderItem *special_trash = NULL;
2363         PrefsAccount *ac;
2364
2365         if (!folderview->selected) return;
2366         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2367         g_return_if_fail(item != NULL);
2368         g_return_if_fail(item->folder != NULL);
2369
2370         if (NULL != (ac = account_find_from_item(item)))
2371                 special_trash = account_get_special_folder(ac, F_TRASH);
2372
2373         if (item != item->folder->trash && item != special_trash
2374         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2375
2376         if (prefs_common.ask_on_clean) {
2377                 if (alertpanel(_("Empty trash"),
2378                                _("Delete all messages in trash?"),
2379                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2380                         return;
2381         }
2382
2383         mlist = folder_item_get_msg_list(item);
2384
2385         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2386                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2387                 if (MSG_IS_LOCKED(msginfo->flags))
2388                         continue;
2389                 /* is it partially received? (partial_recv isn't cached) */
2390                 if (msginfo->total_size != 0 &&
2391                     msginfo->size != (off_t)msginfo->total_size)
2392                         partial_mark_for_delete(msginfo);
2393         }
2394         procmsg_msg_list_free(mlist);
2395
2396         folder_item_remove_all_msg(item);
2397 }
2398
2399 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2400                                       GtkWidget *widget)
2401 {
2402         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2403         FolderItem *item;
2404         FolderItem *special_queue = NULL;
2405         PrefsAccount *ac;
2406         gchar *errstr = NULL;
2407
2408         if (!folderview->selected) return;
2409         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2410         g_return_if_fail(item != NULL);
2411         g_return_if_fail(item->folder != NULL);
2412
2413         if (NULL != (ac = account_find_from_item(item)))
2414                 special_queue = account_get_special_folder(ac, F_QUEUE);
2415
2416         if (item != item->folder->queue && item != special_queue
2417         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2418
2419         if (procmsg_queue_is_empty(item))
2420                 return;
2421
2422         if (prefs_common.work_offline)
2423                 if (alertpanel(_("Offline warning"),
2424                                _("You're working offline. Override?"),
2425                                GTK_STOCK_NO, GTK_STOCK_YES,
2426                                NULL) != G_ALERTALTERNATE)
2427                 return;
2428
2429         /* ask for confirmation before sending queued messages only
2430            in online mode and if there is at least one message queued
2431            in any of the folder queue
2432         */
2433         if (prefs_common.confirm_send_queued_messages) {
2434                 if (!prefs_common.work_offline) {
2435                         if (alertpanel(_("Send queued messages"),
2436                                    _("Send all queued messages?"),
2437                                    GTK_STOCK_CANCEL, _("_Send"),
2438                                    NULL) != G_ALERTALTERNATE)
2439                                 return;
2440                 }
2441         }
2442
2443         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2444                 if (!errstr)
2445                         alertpanel_error_log(_("Some errors occurred while "
2446                                            "sending queued messages."));
2447                 else {
2448                         alertpanel_error_log(_("Some errors occurred "
2449                                         "while sending queued messages:\n%s"), errstr);
2450                         g_free(errstr);
2451                 }
2452         }
2453 }
2454
2455 static void folderview_search_cb(FolderView *folderview, guint action,
2456                                  GtkWidget *widget)
2457 {
2458         summary_search(folderview->summaryview);
2459 }
2460
2461 static void folderview_run_processing_cb(FolderView *folderview, guint action,
2462                                  GtkWidget *widget)
2463 {
2464         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2465         FolderItem *item;
2466
2467         if (!folderview->selected) return;
2468
2469         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2470         g_return_if_fail(item != NULL);
2471         g_return_if_fail(item->folder != NULL);
2472
2473         folder_item_apply_processing(item);
2474 }
2475
2476 static void folderview_property_cb(FolderView *folderview, guint action,
2477                                    GtkWidget *widget)
2478 {
2479         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2480         FolderItem *item;
2481
2482         if (!folderview->selected) return;
2483
2484         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2485         g_return_if_fail(item != NULL);
2486         g_return_if_fail(item->folder != NULL);
2487
2488         prefs_folder_item_open(item);
2489 }
2490
2491 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2492 {
2493         GSList *list = NULL;
2494         GSList *done = NULL;
2495         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2496
2497         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2498                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2499                 &&  list->data != node) {
2500                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2501                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2502                 }
2503         }
2504         for (list = done; list != NULL; list = g_slist_next(list)) {
2505                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2506                                                                  list->data);
2507         }
2508         g_slist_free(done);
2509 }
2510
2511 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2512                             FolderItem *to_folder, gboolean copy)
2513 {
2514         FolderItem *from_parent = NULL;
2515         FolderItem *new_folder = NULL;
2516         GtkCTreeNode *src_node = NULL;
2517         gchar *buf;
2518         gint status;
2519
2520         g_return_if_fail(folderview != NULL);
2521         g_return_if_fail(from_folder != NULL);
2522         g_return_if_fail(to_folder != NULL);
2523
2524         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2525         from_parent = folder_item_parent(from_folder);
2526
2527         if (prefs_common.warn_dnd) {
2528                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2529                                              _("Do you really want to make folder '%s' a subfolder of '%s' ?"),
2530                                         from_folder->name, to_folder->name);
2531                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2532                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2533                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2534                 g_free(buf);
2535
2536                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2537                         return;
2538                 else if (status & G_ALERTDISABLE)
2539                         prefs_common.warn_dnd = FALSE;
2540         }
2541
2542         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2543                                 from_folder->name, to_folder->name);
2544         STATUSBAR_PUSH(folderview->mainwin, buf);
2545         g_free(buf);
2546         summary_clear_all(folderview->summaryview);
2547         folderview->opened = NULL;
2548         folderview->selected = NULL;
2549         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2550         inc_lock();
2551         main_window_cursor_wait(folderview->mainwin);
2552
2553         statusbar_verbosity_set(FALSE);
2554         folder_item_update_freeze();
2555         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2556                 statusbar_verbosity_set(FALSE);
2557                 main_window_cursor_normal(folderview->mainwin);
2558                 STATUSBAR_POP(folderview->mainwin);
2559                 folder_item_update_thaw();
2560                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2561
2562                 folderview_sort_folders(folderview,
2563                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2564                                 NULL, to_folder), new_folder->folder);
2565                 folderview_select(folderview, new_folder);
2566         } else {
2567                 statusbar_verbosity_set(FALSE);
2568                 main_window_cursor_normal(folderview->mainwin);
2569                 STATUSBAR_POP(folderview->mainwin);
2570                 folder_item_update_thaw();
2571                 switch (status) {
2572                 case F_MOVE_FAILED_DEST_IS_PARENT:
2573                         alertpanel_error(_("Source and destination are the same."));
2574                         break;
2575                 case F_MOVE_FAILED_DEST_IS_CHILD:
2576                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2577                                                 _("Can't move a folder to one of its children."));
2578                         break;
2579                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2580                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2581                         break;
2582                 default:
2583                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2584                         break;
2585                 }
2586         }
2587         inc_unlock();
2588         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2589 }
2590
2591 static gint folderview_clist_compare(GtkCList *clist,
2592                                      gconstpointer ptr1, gconstpointer ptr2)
2593 {
2594         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2595         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2596
2597         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2598         {
2599                 return item1->order - item2->order;
2600         }
2601
2602         // if only one folder has an order it comes first
2603         if (item1->order > 0)
2604         {
2605                 return -1;
2606         }
2607         if (item2->order > 0)
2608         {
2609                 return 1;
2610         }
2611
2612         if (!item1->name)
2613                 return (item2->name != NULL);
2614         if (!item2->name)
2615                 return -1;
2616
2617         return g_utf8_collate(item1->name, item2->name);
2618 }
2619
2620 static void folderview_processing_cb(FolderView *folderview, guint action,
2621                                      GtkWidget *widget)
2622 {
2623         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2624         FolderItem *item;
2625         gchar *id, *title;
2626
2627         if (!folderview->selected) return;
2628
2629         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2630         g_return_if_fail(item != NULL);
2631         g_return_if_fail(item->folder != NULL);
2632
2633         id = folder_item_get_identifier(item);
2634         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2635         g_free (id);
2636
2637         prefs_filtering_open(&item->prefs->processing, title,
2638                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2639         g_free (title);
2640 }
2641
2642 void folderview_set_target_folder_color(gint color_op)
2643 {
2644         gint firstone = 1;
2645         GList *list;
2646         FolderView *folderview;
2647
2648         for (list = folderview_list; list != NULL; list = list->next) {
2649                 folderview = (FolderView *)list->data;
2650                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2651                 if (firstone) {
2652                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2653                                 folderview->color_op;
2654                         firstone = 0;
2655                 }
2656         }
2657 }
2658
2659 static gchar *last_font = NULL;
2660 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2661 {
2662         /* force reinit */
2663         g_free(last_font);
2664         last_font = NULL;
2665
2666 }
2667
2668 void folderview_reflect_prefs(void)
2669 {
2670         gboolean update_font = TRUE;
2671         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2672         FolderItem *item = folderview_get_selected_item(folderview);
2673         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2674                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2675         gint height = pos->value;
2676
2677         if (last_font && !strcmp(last_font, NORMAL_FONT))
2678                 update_font = FALSE;
2679
2680         g_free(last_font);
2681         last_font = g_strdup(NORMAL_FONT);
2682
2683         if (update_font) {
2684                 normal_style = normal_color_style = bold_style =
2685                         bold_color_style = bold_tgtfold_style = NULL;
2686
2687                 folderview_init(folderview);
2688         }
2689         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2690         folderview_column_set_titles(folderview);
2691         folderview_set_all();
2692
2693         g_signal_handlers_block_by_func
2694                 (G_OBJECT(folderview->ctree),
2695                  G_CALLBACK(folderview_selected), folderview);
2696
2697         if (item) {
2698                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2699                         GTK_CTREE(folderview->ctree), NULL, item);
2700
2701                 folderview_select(folderview, item);
2702                 folderview->open_folder = FALSE;
2703                 folderview->selected = node;
2704         }
2705
2706         g_signal_handlers_unblock_by_func
2707                 (G_OBJECT(folderview->ctree),
2708                  G_CALLBACK(folderview_selected), folderview);
2709
2710         pos = gtk_scrolled_window_get_vadjustment(
2711                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2712         gtk_adjustment_set_value(pos, height);
2713         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2714 }
2715
2716 static void drag_state_stop(FolderView *folderview)
2717 {
2718         if (folderview->drag_timer)
2719                 g_source_remove(folderview->drag_timer);
2720         folderview->drag_timer = 0;
2721         folderview->drag_node = NULL;
2722 }
2723
2724 static gint folderview_defer_expand(FolderView *folderview)
2725 {
2726         if (folderview->drag_node) {
2727                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2728                 if (folderview->drag_item->collapsed) {
2729                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2730                         folderview->nodes_to_recollapse = g_slist_append
2731                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2732                 }
2733         }
2734         folderview->drag_item  = NULL;
2735         folderview->drag_timer = 0;
2736         return FALSE;
2737 }
2738
2739 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2740 {
2741         /* the idea is that we call drag_state_start() whenever we want expansion to
2742          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2743          * we need to call drag_state_stop() */
2744         drag_state_stop(folderview);
2745         /* request expansion */
2746         if (0 != (folderview->drag_timer = g_timeout_add
2747                         (prefs_common.hover_timeout,
2748                          (GtkFunction)folderview_defer_expand,
2749                          folderview))) {
2750                 folderview->drag_node = node;
2751                 folderview->drag_item = item;
2752         }
2753 }
2754
2755 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2756                                   FolderView       *folderview)
2757 {
2758         GdkDragContext *context;
2759
2760         g_return_if_fail(folderview != NULL);
2761         if (folderview->selected == NULL) return;
2762         if (folderview->nodes_to_recollapse)
2763                 g_slist_free(folderview->nodes_to_recollapse);
2764         folderview->nodes_to_recollapse = NULL;
2765         context = gtk_drag_begin(widget, folderview->target_list,
2766                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2767         gtk_drag_set_icon_default(context);
2768 }
2769
2770 static void folderview_drag_data_get(GtkWidget        *widget,
2771                                      GdkDragContext   *drag_context,
2772                                      GtkSelectionData *selection_data,
2773                                      guint             info,
2774                                      guint             time,
2775                                      FolderView       *folderview)
2776 {
2777         FolderItem *item;
2778         GList *cur;
2779         gchar *source = NULL;
2780         if (info == TARGET_DUMMY) {
2781                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2782                      cur != NULL; cur = cur->next) {
2783                         item = gtk_ctree_node_get_row_data
2784                                 (GTK_CTREE(folderview->ctree),
2785                                  GTK_CTREE_NODE(cur->data));
2786                         if (item) {
2787                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2788                                 gtk_selection_data_set(selection_data,
2789                                                        selection_data->target, 8,
2790                                                        source, strlen(source));
2791                                 break;
2792                         } else
2793                                 return;
2794                 }
2795         } else {
2796                 g_warning("unknown info %d\n", info);
2797         }
2798 }
2799
2800 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2801 {
2802         FolderUpdateData *hookdata;
2803         FolderView *folderview;
2804         GtkWidget *ctree;
2805
2806         hookdata = source;
2807         folderview = (FolderView *) userdata;
2808         g_return_val_if_fail(hookdata != NULL, FALSE);
2809         g_return_val_if_fail(folderview != NULL, FALSE);
2810
2811         ctree = folderview->ctree;
2812         g_return_val_if_fail(ctree != NULL, FALSE);
2813
2814         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2815                 folderview_create_folder_node(folderview, hookdata->item);
2816         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2817                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2818                                 NULL, folder_item_parent(hookdata->item));
2819                 folderview_sort_folders(folderview, node, hookdata->folder);
2820         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2821                 GtkCTreeNode *node;
2822
2823                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2824                 if (node != NULL) {
2825                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2826                         if (folderview->selected == node)
2827                                 folderview->selected = NULL;
2828                         if (folderview->opened == node)
2829                                 folderview->opened = NULL;
2830                 }
2831         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2832                 folderview_set(folderview);
2833
2834         return FALSE;
2835 }
2836
2837 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2838                                           GdkDragContext *context,
2839                                           gint            x,
2840                                           gint            y,
2841                                           guint           time,
2842                                           FolderView     *folderview)
2843 {
2844         gint row, column;
2845         FolderItem *item = NULL, *src_item = NULL;
2846         GtkCTreeNode *node = NULL;
2847         gboolean acceptable = FALSE;
2848         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2849                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2850         int height = (int)pos->page_size;
2851         int total_height = (int)pos->upper;
2852         int vpos = (int) pos->value;
2853
2854         if (gtk_clist_get_selection_info
2855                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2856                 GtkWidget *srcwidget;
2857
2858                 if (y > height - 24 && height + vpos < total_height)
2859                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2860
2861                 if (y < 48 && y > 0)
2862                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2863
2864                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2865                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2866                 src_item = folderview->summaryview->folder_item;
2867
2868                 srcwidget = gtk_drag_get_source_widget(context);
2869                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2870                         /* comes from summaryview */
2871                         /* we are copying messages, so only accept folder items that are not
2872                            the source item, are no root items and can copy messages */
2873                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2874                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2875                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2876                                 acceptable = TRUE;
2877                 } else if (srcwidget == folderview->ctree) {
2878                         /* comes from folderview */
2879                         /* we are moving folder items, only accept folders that are not
2880                            the source items and can copy messages and create folder items */
2881                         if (item && item->folder && src_item && src_item != item &&
2882                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2883                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2884                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2885                              || item->folder == src_item->folder))
2886                                 acceptable = TRUE;
2887                 } else {
2888                         /* comes from another app */
2889                         /* we are adding messages, so only accept folder items that are
2890                            no root items and can copy messages */
2891                         if (item && item->folder && folder_item_parent(item) != NULL
2892                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2893                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2894                                 acceptable = TRUE;
2895                 }
2896         }
2897
2898         if (acceptable || (src_item && src_item == item))
2899                 drag_state_start(folderview, node, item);
2900
2901         if (acceptable) {
2902                 g_signal_handlers_block_by_func
2903                         (G_OBJECT(widget),
2904                          G_CALLBACK(folderview_selected), folderview);
2905                 gtk_ctree_select(GTK_CTREE(widget), node);
2906                 g_signal_handlers_unblock_by_func
2907                         (G_OBJECT(widget),
2908                          G_CALLBACK(folderview_selected), folderview);
2909                 gdk_drag_status(context,
2910                                         (context->actions == GDK_ACTION_COPY ?
2911                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2912         } else {
2913                 if (folderview->opened)
2914                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2915                 gdk_drag_status(context, 0, time);
2916         }
2917
2918         return acceptable;
2919 }
2920
2921 static void folderview_drag_leave_cb(GtkWidget      *widget,
2922                                      GdkDragContext *context,
2923                                      guint           time,
2924                                      FolderView     *folderview)
2925 {
2926         drag_state_stop(folderview);
2927         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2928 }
2929
2930 static void free_info (gpointer stuff, gpointer data)
2931 {
2932         g_free(stuff);
2933 }
2934
2935 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2936                            guint time, FolderItem *item)
2937 {
2938         GList *list, *tmp;
2939         GSList *msglist = NULL;
2940         list = uri_list_extract_filenames(data);
2941         if (!(item && item->folder && folder_item_parent(item) != NULL
2942                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2943         {
2944                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2945                 debug_print("item doesn't fit\n");
2946                 return;
2947         }
2948         if (!list) {
2949                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2950                 debug_print("list is empty\n");
2951                 return;
2952         }
2953         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2954                 MsgFileInfo *info = NULL;
2955
2956                 if (file_is_email((gchar *)tmp->data)) {
2957                         info = g_new0(MsgFileInfo, 1);
2958                         info->msginfo = NULL;
2959                         info->file = (gchar *)tmp->data;
2960                         msglist = g_slist_prepend(msglist, info);
2961                         debug_print("file is a mail\n");
2962                 } else {
2963                         debug_print("file isn't a mail\n");
2964                 }
2965         }
2966         if (msglist) {
2967                 msglist = g_slist_reverse(msglist);
2968                 folder_item_add_msgs(item, msglist, FALSE);
2969                 g_slist_foreach(msglist, free_info, NULL);
2970                 g_slist_free(msglist);
2971                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2972         } else {
2973                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2974         }
2975         list_free_strings(list);
2976         g_list_free(list);
2977 }
2978
2979 static void folderview_drag_received_cb(GtkWidget        *widget,
2980                                         GdkDragContext   *drag_context,
2981                                         gint              x,
2982                                         gint              y,
2983                                         GtkSelectionData *data,
2984                                         guint             info,
2985                                         guint             time,
2986                                         FolderView       *folderview)
2987 {
2988         gint row, column;
2989         FolderItem *item = NULL, *src_item;
2990         GtkCTreeNode *node;
2991
2992         if (info == TARGET_DUMMY) {
2993                 drag_state_stop(folderview);
2994                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2995                         /* comes from summaryview */
2996                         if (gtk_clist_get_selection_info
2997                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2998                                 return;
2999
3000                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3001                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3002                         src_item = folderview->summaryview->folder_item;
3003
3004                         if (item->no_select) {
3005                                 alertpanel_error(_("The destination folder can only be used to "
3006                                                    "store subfolders."));
3007                                 return;
3008                         }
3009                         /* re-check (due to acceptable possibly set for folder moves */
3010                         if (!(item && item->folder && item->path && !item->no_select &&
3011                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3012                                 return;
3013                         }
3014                         if (item && src_item) {
3015                                 switch (drag_context->action) {
3016                                 case GDK_ACTION_COPY:
3017                                         summary_copy_selected_to(folderview->summaryview, item);
3018                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3019                                         break;
3020                                 case GDK_ACTION_MOVE:
3021                                 case GDK_ACTION_DEFAULT:
3022                                 default:
3023                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3024                                                 summary_copy_selected_to(folderview->summaryview, item);
3025                                         else
3026                                                 summary_move_selected_to(folderview->summaryview, item);
3027                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3028                                 }
3029                         } else
3030                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3031                 } else {
3032                         /* comes from folderview */
3033                         char *source;
3034                         gboolean folder_is_normal = TRUE;
3035                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
3036
3037                         source = data->data + 17;
3038                         if (gtk_clist_get_selection_info
3039                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
3040                             || *source == 0) {
3041                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3042                                 return;
3043                         }
3044                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3045                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3046                         src_item = folder_find_item_from_identifier(source);
3047
3048                         folder_is_normal =
3049                                 src_item != NULL &&
3050                                 src_item->stype == F_NORMAL &&
3051                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3052                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3053                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3054                                 !folder_has_parent_of_type(src_item, F_TRASH);
3055                         if (!item || !src_item || !folder_is_normal) {
3056                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3057                                 return;
3058                         }
3059
3060                         folderview_move_folder(folderview, src_item, item, copy);
3061                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3062                 }
3063                 folderview->nodes_to_recollapse = NULL;
3064         } else if (info == TARGET_MAIL_URI_LIST) {
3065                 if (gtk_clist_get_selection_info
3066                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
3067                         return;
3068
3069                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
3070                 if (!node) {
3071                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3072                         debug_print("no node\n");
3073                         return;
3074                 }
3075                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3076                 if (!item) {
3077                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3078                         debug_print("no item\n");
3079                         return;
3080                 }
3081                 folderview_finish_dnd(data->data, drag_context, time, item);
3082         }
3083 }
3084
3085 static void folderview_drag_end_cb(GtkWidget        *widget,
3086                                    GdkDragContext   *drag_context,
3087                                    FolderView       *folderview)
3088 {
3089         drag_state_stop(folderview);
3090         g_slist_free(folderview->nodes_to_recollapse);
3091         folderview->nodes_to_recollapse = NULL;
3092 }
3093
3094 void folderview_register_popup(FolderViewPopup *fpopup)
3095 {
3096         GList *folderviews;
3097
3098         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3099                 FolderView *folderview = folderviews->data;
3100                 GtkItemFactory *factory;
3101
3102                 factory = create_ifactory(folderview, fpopup);
3103                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3104         }
3105         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3106 }
3107
3108 void folderview_unregister_popup(FolderViewPopup *fpopup)
3109 {
3110         GList *folderviews;
3111
3112         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3113                 FolderView *folderview = folderviews->data;
3114
3115                 g_hash_table_remove(folderview->popups, fpopup->klass);
3116         }
3117         g_hash_table_remove(folderview_popups, fpopup->klass);
3118 }