src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 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/gtk.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "main.h"
  31 #include "mainwindow.h"
  32 #include "folderview.h"
  33 #include "summaryview.h"
  34 #include "summary_search.h"
  35 #include "inputdialog.h"
  36 #include "manage_window.h"
  37 #include "alertpanel.h"
  38 #include "menu.h"
  39 #include "stock_pixmap.h"
  40 #include "procmsg.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "prefs_filtering.h"
  46 #include "prefs_folder_item.h"
  47 #include "account.h"
  48 #include "folder.h"
  49 #include "foldersel.h"
  50 #include "inc.h"
  51 #include "statusbar.h"
  52 #include "hooks.h"
  53 #include "folderutils.h"
  54 #include "partial_download.h"
  55 #include "prefs_folder_column.h"
  56 #include "filtering.h"
  57 #include "quicksearch.h"
  58 #include "manual.h"
  59 #include "timing.h"
  60 #include "log.h"
  61 #include "gtkcmctree.h"
  62
  63 #define COL_FOLDER_WIDTH        150
  64 #define COL_NUM_WIDTH           32
  65
  66 static GList *folderview_list = NULL;
  67
  68 static GtkStyle *normal_style;
  69 static GtkStyle *normal_color_style;
  70 static GtkStyle *bold_style;
  71 static GtkStyle *bold_color_style;
  72 static GtkStyle *bold_tgtfold_style;
  73
  74 static GdkPixbuf *inboxxpm;
  75 static GdkPixbuf *inboxhrmxpm;
  76 static GdkPixbuf *inboxopenxpm;
  77 static GdkPixbuf *inboxopenhrmxpm;
  78 static GdkPixbuf *outboxxpm;
  79 static GdkPixbuf *outboxhrmxpm;
  80 static GdkPixbuf *outboxopenxpm;
  81 static GdkPixbuf *outboxopenhrmxpm;
  82 static GdkPixbuf *folderxpm;
  83 static GdkPixbuf *folderhrmxpm;
  84 static GdkPixbuf *folderopenxpm;
  85 static GdkPixbuf *folderopenhrmxpm;
  86 static GdkPixbuf *trashopenxpm;
  87 static GdkPixbuf *trashopenhrmxpm;
  88 static GdkPixbuf *trashxpm;
  89 static GdkPixbuf *trashhrmxpm;
  90 static GdkPixbuf *queuexpm;
  91 static GdkPixbuf *queuehrmxpm;
  92 static GdkPixbuf *queueopenxpm;
  93 static GdkPixbuf *queueopenhrmxpm;
  94 static GdkPixbuf *draftsxpm;
  95 static GdkPixbuf *draftsopenxpm;
  96 static GdkPixbuf *foldersubsxpm;
  97 static GdkPixbuf *foldersubsopenxpm;
  98 static GdkPixbuf *foldernoselectxpm;
  99 static GdkPixbuf *foldernoselectopenxpm;
 100
 101 static GdkPixbuf *m_inboxxpm;
 102 static GdkPixbuf *m_inboxhrmxpm;
 103 static GdkPixbuf *m_inboxopenxpm;
 104 static GdkPixbuf *m_inboxopenhrmxpm;
 105 static GdkPixbuf *m_outboxxpm;
 106 static GdkPixbuf *m_outboxhrmxpm;
 107 static GdkPixbuf *m_outboxopenxpm;
 108 static GdkPixbuf *m_outboxopenhrmxpm;
 109 static GdkPixbuf *m_folderxpm;
 110 static GdkPixbuf *m_folderhrmxpm;
 111 static GdkPixbuf *m_folderopenxpm;
 112 static GdkPixbuf *m_folderopenhrmxpm;
 113 static GdkPixbuf *m_trashopenxpm;
 114 static GdkPixbuf *m_trashopenhrmxpm;
 115 static GdkPixbuf *m_trashxpm;
 116 static GdkPixbuf *m_trashhrmxpm;
 117 static GdkPixbuf *m_queuexpm;
 118 static GdkPixbuf *m_queuehrmxpm;
 119 static GdkPixbuf *m_queueopenxpm;
 120 static GdkPixbuf *m_queueopenhrmxpm;
 121 static GdkPixbuf *m_draftsxpm;
 122 static GdkPixbuf *m_draftsopenxpm;
 123 static GdkPixbuf *m_foldersubsxpm;
 124 static GdkPixbuf *m_foldernoselectxpm;
 125
 126 static GdkPixbuf *newxpm;
 127 static GdkPixbuf *unreadxpm;
 128 static GdkPixbuf *readxpm;
 129
 130 static void folderview_select_node       (FolderView    *folderview,
 131                                           GtkCMCTreeNode        *node);
 132 static void folderview_set_folders       (FolderView    *folderview);
 133 static void folderview_sort_folders      (FolderView    *folderview,
 134                                           GtkCMCTreeNode        *root,
 135                                           Folder        *folder);
 136 static void folderview_append_folder     (FolderView    *folderview,
 137                                           Folder        *folder);
 138 static void folderview_update_node       (FolderView    *folderview,
 139                                           GtkCMCTreeNode        *node);
 140
 141 static gint folderview_clist_compare    (GtkCMCList     *clist,
 142                                          gconstpointer   ptr1,
 143                                          gconstpointer   ptr2);
 144
 145 /* callback functions */
 146 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 147                                                  GdkEventButton *event,
 148                                                  FolderView     *folderview);
 149 static gboolean folderview_button_released      (GtkWidget      *ctree,
 150                                                  GdkEventButton *event,
 151                                                  FolderView     *folderview);
 152 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 153                                          GdkEventKey    *event,
 154                                          FolderView     *folderview);
 155 static void folderview_selected         (GtkCMCTree     *ctree,
 156                                          GtkCMCTreeNode *row,
 157                                          gint            column,
 158                                          FolderView     *folderview);
 159 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 160                                          GtkCMCTreeNode *node,
 161                                          FolderView     *folderview);
 162 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 163                                          GtkCMCTreeNode *node,
 164                                          FolderView     *folderview);
 165 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 166                                          FolderView     *folderview);
 167 static void folderview_col_resized      (GtkCMCList     *clist,
 168                                          gint            column,
 169                                          gint            width,
 170                                          FolderView     *folderview);
 171
 172 static void mark_all_read_unread_handler        (GtkAction      *action,
 173                                          gpointer        data,
 174                                          gboolean        recursive,
 175                                          gboolean        read);
 176
 177 static void mark_all_read_cb            (GtkAction      *action,
 178                                          gpointer        data);
 179 static void mark_all_unread_cb            (GtkAction    *action,
 180                                          gpointer        data);
 181 static void mark_all_read_recursive_cb  (GtkAction      *action,
 182                                          gpointer        data);
 183 static void mark_all_unread_recursive_cb  (GtkAction    *action,
 184                                          gpointer        data);
 185
 186 static void folderview_empty_trash_cb   (GtkAction      *action,
 187                                          gpointer        data);
 188
 189 static void folderview_send_queue_cb    (GtkAction      *action,
 190                                          gpointer        data);
 191
 192 static void folderview_search_cb        (GtkAction      *action,
 193                                          gpointer        data);
 194 static void folderview_run_processing_cb(GtkAction      *action,
 195                                          gpointer        data);
 196
 197 static void folderview_property_cb      (GtkAction      *action,
 198                                          gpointer        data);
 199
 200 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 201                                           GdkDragContext *context,
 202                                           gint            x,
 203                                           gint            y,
 204                                           guint           time,
 205                                           FolderView     *folderview);
 206 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 207                                           GdkDragContext   *context,
 208                                           guint             time,
 209                                           FolderView       *folderview);
 210 static void folderview_drag_received_cb  (GtkWidget        *widget,
 211                                           GdkDragContext   *drag_context,
 212                                           gint              x,
 213                                           gint              y,
 214                                           GtkSelectionData *data,
 215                                           guint             info,
 216                                           guint             time,
 217                                           FolderView       *folderview);
 218 #ifndef GENERIC_UMPC
 219 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 220                                           FolderView       *folderview);
 221 #endif
 222 static void folderview_drag_data_get     (GtkWidget        *widget,
 223                                           GdkDragContext   *drag_context,
 224                                           GtkSelectionData *selection_data,
 225                                           guint             info,
 226                                           guint             time,
 227                                           FolderView       *folderview);
 228 static void folderview_drag_end_cb       (GtkWidget        *widget,
 229                                           GdkDragContext   *drag_context,
 230                                           FolderView       *folderview);
 231
 232 static void folderview_create_folder_node       (FolderView       *folderview,
 233                                           FolderItem       *item);
 234 static gboolean folderview_update_folder         (gpointer          source,
 235                                           gpointer          userdata);
 236 static gboolean folderview_update_item_claws     (gpointer          source,
 237                                           gpointer          data);
 238 static void folderview_processing_cb(GtkAction *action, gpointer data);
 239 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 240                                 GdkEventButton *event);
 241
 242 GHashTable *folderview_popups;
 243
 244 static GtkActionEntry folderview_common_popup_entries[] =
 245 {
 246         {"FolderViewPopup",                     NULL, "FolderViewPopup" },
 247         {"FolderViewPopup/MarkAllRead",         NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 248         {"FolderViewPopup/MarkAllUnread",               NULL, N_("Mark all u_nread"), NULL, NULL, G_CALLBACK(mark_all_unread_cb) },
 249         {"FolderViewPopup/MarkAllReadRec",      NULL, N_("Mark all read recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_read_recursive_cb) },
 250         {"FolderViewPopup/MarkAllUnreadRec",    NULL, N_("Mark all unread recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_unread_recursive_cb) },
 251         {"FolderViewPopup/---",                 NULL, "---" },
 252         {"FolderViewPopup/RunProcessing",       NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 253         {"FolderViewPopup/SearchFolder",        NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 254         {"FolderViewPopup/Properties",          NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 255         {"FolderViewPopup/Processing",          NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 256         {"FolderViewPopup/EmptyTrash",          NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 257         {"FolderViewPopup/SendQueue",           NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 258
 259 };
 260
 261 GtkTargetEntry folderview_drag_types[] =
 262 {
 263         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 264         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 265 };
 266
 267 void folderview_initialize(void)
 268 {
 269         FolderViewPopup *fpopup;
 270
 271         fpopup = g_new0(FolderViewPopup, 1);
 272
 273         fpopup->klass = "common";
 274         fpopup->path = "<CommonFolder>";
 275         fpopup->entries = folderview_common_popup_entries;
 276         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 277         fpopup->set_sensitivity = NULL;
 278
 279         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 280         g_hash_table_insert(folderview_popups, "common", fpopup);
 281 }
 282
 283 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 284 {
 285         FolderViewPopup *fpopup_common;
 286         GtkActionGroup *action_group;
 287
 288         action_group = cm_menu_create_action_group(
 289                                 fpopup->path,
 290                                 fpopup->entries, fpopup->n_entries,
 291                                 (gpointer)folderview);
 292
 293         if (fpopup->toggle_entries)
 294                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 295                                 fpopup->n_toggle_entries,
 296                                 (gpointer)folderview);
 297         if (fpopup->radio_entries)
 298                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 299                                 fpopup->n_radio_entries, fpopup->radio_default,
 300                                 G_CALLBACK(fpopup->radio_callback),
 301                                 (gpointer)folderview);
 302
 303         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 304         if (fpopup_common != fpopup) {
 305                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 306                                 fpopup_common->n_entries,
 307                                 (gpointer)folderview);
 308                 if (fpopup_common->toggle_entries)
 309                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 310                                         fpopup_common->n_toggle_entries,
 311                                         (gpointer)folderview);
 312                 if (fpopup_common->radio_entries)
 313                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 314                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 315                                         G_CALLBACK(fpopup_common->radio_callback),
 316                                         (gpointer)folderview);
 317         }
 318
 319         return action_group;
 320 }
 321
 322 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 323 {
 324         FolderView *folderview = data;
 325         FolderViewPopup *fpopup = value;
 326         GtkActionGroup *group;
 327
 328         group = create_action_group(folderview, fpopup);
 329         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 330 }
 331
 332 static void folderview_column_set_titles(FolderView *folderview)
 333 {
 334         GtkWidget *ctree = folderview->ctree;
 335         GtkWidget *label_folder;
 336         GtkWidget *label_new;
 337         GtkWidget *label_unread;
 338         GtkWidget *label_total;
 339         GtkWidget *hbox_folder;
 340         GtkWidget *hbox_new;
 341         GtkWidget *hbox_unread;
 342         GtkWidget *hbox_total;
 343         gint *col_pos = folderview->col_pos;
 344
 345         debug_print("setting titles...\n");
 346         gtk_widget_realize(folderview->ctree);
 347         gtk_widget_show_all(folderview->scrolledwin);
 348
 349         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 350          * instead text (text overflows making them unreadable and ugly) */
 351         stock_pixbuf_gdk(STOCK_PIXMAP_NEW, &newxpm);
 352         stock_pixbuf_gdk(STOCK_PIXMAP_UNREAD, &unreadxpm);
 353         stock_pixbuf_gdk(STOCK_PIXMAP_READ, &readxpm);
 354
 355         label_folder = gtk_label_new(_("Folder"));
 356         label_new = gtk_image_new_from_pixbuf(newxpm);
 357         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 358         label_total = gtk_image_new_from_pixbuf(readxpm);
 359
 360         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 361
 362         hbox_folder = gtk_hbox_new(FALSE, 4);
 363         hbox_new = gtk_hbox_new(FALSE, 4);
 364         hbox_unread = gtk_hbox_new(FALSE, 4);
 365         hbox_total = gtk_hbox_new(FALSE, 4);
 366
 367         /* left justified */
 368         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 369         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 370         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 371         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 372         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 373         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 374         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 375         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 376
 377         gtk_widget_show_all(hbox_folder);
 378         gtk_widget_show_all(hbox_new);
 379         gtk_widget_show_all(hbox_unread);
 380         gtk_widget_show_all(hbox_total);
 381
 382 #ifdef GENERIC_UMPC
 383         gtk_widget_set_size_request(hbox_new, -1, 20);
 384         gtk_widget_set_size_request(hbox_unread, -1, 20);
 385         gtk_widget_set_size_request(hbox_total, -1, 20);
 386 #endif
 387
 388         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 389         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 390         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 391         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 392
 393 #ifdef GENERIC_UMPC
 394         GTK_EVENTS_FLUSH();
 395 #endif
 396
 397         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 398         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 399         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 400 }
 401
 402 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 403 {
 404         FolderView *folderview = (FolderView *)data;
 405         GdkEventButton event;
 406         if (folderview_get_selected_item(folderview) == NULL)
 407                 return FALSE;
 408
 409         event.button = 3;
 410         event.time = gtk_get_current_event_time();
 411
 412         folderview_set_sens_and_popup_menu(folderview, -1,
 413                                 &event);
 414
 415         return TRUE;
 416 }
 417
 418
 419 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 420 {
 421         GtkWidget *ctree;
 422         gint *col_pos;
 423         FolderColumnState *col_state;
 424         FolderColumnType type;
 425         gchar *titles[N_FOLDER_COLS];
 426         gint i;
 427         GtkWidget *scrolledwin = folderview->scrolledwin;
 428
 429         debug_print("creating tree...\n");
 430         memset(titles, 0, sizeof(titles));
 431
 432         col_state = prefs_folder_column_get_config();
 433         memset(titles, 0, sizeof(titles));
 434
 435         col_pos = folderview->col_pos;
 436
 437         for (i = 0; i < N_FOLDER_COLS; i++) {
 438                 folderview->col_state[i] = col_state[i];
 439                 type = col_state[i].type;
 440                 col_pos[type] = i;
 441         }
 442
 443         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 444         titles[col_pos[F_COL_NEW]]    = _("New");
 445         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 446         /* TRANSLATORS: This in Number sign in American style */
 447         titles[col_pos[F_COL_TOTAL]]  = _("#");
 448
 449         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 450                                            titles);
 451
 452         if (prefs_common.show_col_headers == FALSE)
 453                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 454
 455
 456         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 457         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 458                                            GTK_JUSTIFY_RIGHT);
 459         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 460                                            col_pos[F_COL_UNREAD],
 461                                            GTK_JUSTIFY_RIGHT);
 462         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 463                                            col_pos[F_COL_TOTAL],
 464                                            GTK_JUSTIFY_RIGHT);
 465         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 466         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 467                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 468
 469         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 470         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 471
 472         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 473         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 474
 475         /* don't let title buttons take key focus */
 476         for (i = 0; i < N_FOLDER_COLS; i++) {
 477                 gtkut_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 478                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 479                                    prefs_common.folder_col_size[i]);
 480                 gtk_cmclist_set_column_visibility
 481                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 482         }
 483
 484         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 485                          G_CALLBACK(folderview_key_pressed),
 486                          folderview);
 487         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 488                          G_CALLBACK(folderview_button_pressed),
 489                          folderview);
 490         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 491                          G_CALLBACK(folderview_popup_menu), folderview);
 492         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 493                          G_CALLBACK(folderview_button_released),
 494                          folderview);
 495         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 496                          G_CALLBACK(folderview_selected), folderview);
 497 #ifndef GENERIC_UMPC
 498         /* drag-n-dropping folders on maemo is impractical as this
 499          * opens the folder almost everytime */
 500         g_signal_connect(G_OBJECT(ctree), "start_drag",
 501                          G_CALLBACK(folderview_start_drag), folderview);
 502 #endif
 503         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 504                          G_CALLBACK(folderview_drag_data_get),
 505                          folderview);
 506
 507         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 508                                G_CALLBACK(folderview_tree_expanded),
 509                                folderview);
 510         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 511                                G_CALLBACK(folderview_tree_collapsed),
 512                                folderview);
 513
 514         g_signal_connect(G_OBJECT(ctree), "resize_column",
 515                          G_CALLBACK(folderview_col_resized),
 516                          folderview);
 517
 518         /* drop callback */
 519         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 520                           folderview_drag_types, 2,
 521                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 522         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 523                          G_CALLBACK(folderview_drag_motion_cb),
 524                          folderview);
 525         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 526                          G_CALLBACK(folderview_drag_leave_cb),
 527                          folderview);
 528         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 529                          G_CALLBACK(folderview_drag_received_cb),
 530                          folderview);
 531         g_signal_connect(G_OBJECT(ctree), "drag_end",
 532                          G_CALLBACK(folderview_drag_end_cb),
 533                          folderview);
 534
 535         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 536
 537         return ctree;
 538 }
 539
 540 void folderview_set_column_order(FolderView *folderview)
 541 {
 542         GtkWidget *ctree = folderview->ctree;
 543         FolderItem *item = folderview_get_selected_item(folderview);
 544         FolderItem *sel_item = NULL, *op_item = NULL;
 545         GtkWidget *scrolledwin = folderview->scrolledwin;
 546
 547         if (folderview->drag_timer_id != 0) {
 548                 g_source_remove(folderview->drag_timer_id);
 549                 folderview->drag_timer_id = 0;
 550         }
 551         if (folderview->deferred_refresh_id != 0) {
 552                 g_source_remove(folderview->deferred_refresh_id);
 553                 folderview->deferred_refresh_id = 0;
 554         }
 555         if (folderview->scroll_timeout_id != 0) {
 556                 g_source_remove(folderview->scroll_timeout_id);
 557                 folderview->scroll_timeout_id = 0;
 558         }
 559         if (folderview->postpone_select_id != 0) {
 560                 g_source_remove(folderview->postpone_select_id);
 561                 folderview->postpone_select_id = 0;
 562         }
 563
 564         if (folderview->selected)
 565                 sel_item = folderview_get_selected_item(folderview);
 566         if (folderview->opened)
 567                 op_item = folderview_get_opened_item(folderview);
 568
 569         debug_print("recreating tree...\n");
 570         gtk_widget_destroy(folderview->ctree);
 571
 572
 573         folderview->ctree = ctree = folderview_ctree_create(folderview);
 574         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 575                                             GTK_CMCLIST(ctree)->hadjustment);
 576         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 577                                             GTK_CMCLIST(ctree)->vadjustment);
 578         gtk_widget_show(ctree);
 579
 580         if (sel_item)
 581                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 582         if (op_item)
 583                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 584
 585         folderview_set(folderview);
 586         folderview_column_set_titles(folderview);
 587
 588         folderview_select(folderview,item);
 589 }
 590
 591 FolderView *folderview_create(void)
 592 {
 593         FolderView *folderview;
 594         GtkWidget *scrolledwin;
 595         GtkWidget *ctree;
 596
 597         debug_print("Creating folder view...\n");
 598         folderview = g_new0(FolderView, 1);
 599
 600         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 601         gtk_scrolled_window_set_policy
 602                 (GTK_SCROLLED_WINDOW(scrolledwin),
 603                  GTK_POLICY_AUTOMATIC,
 604                  prefs_common.folderview_vscrollbar_policy);
 605         gtk_widget_set_size_request(scrolledwin,
 606                              prefs_common.folderview_width,
 607                              prefs_common.folderview_height);
 608
 609         folderview->scrolledwin  = scrolledwin;
 610         ctree = folderview_ctree_create(folderview);
 611
 612         /* create popup factories */
 613         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 614         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 615
 616         folderview->ctree        = ctree;
 617
 618         folderview->folder_update_callback_id =
 619                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 620         folderview->folder_item_update_callback_id =
 621                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 622
 623         gtk_widget_show_all(scrolledwin);
 624
 625         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 626         folderview_list = g_list_append(folderview_list, folderview);
 627
 628         folderview->drag_timer_id       = 0;
 629         folderview->deferred_refresh_id = 0;
 630         folderview->scroll_timeout_id   = 0;
 631         folderview->postpone_select_id  = 0;
 632
 633         return folderview;
 634 }
 635
 636 void folderview_init(FolderView *folderview)
 637 {
 638         GtkWidget *ctree = folderview->ctree;
 639         GdkColor gdk_color;
 640         PangoFontDescription *normal_font;
 641
 642         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 643         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 644         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 645         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 646         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 647         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 648         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 649         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 650         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 651         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 652         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 653         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 654         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 655         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 656         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 657         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 658         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 659         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 660         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 661         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 662         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 663         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 664         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_OPEN, &foldersubsopenxpm);
 665         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE, &foldersubsxpm);
 666         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopenxpm);
 667         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselectxpm);
 668
 669         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 670         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 671         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 672         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 673         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 674         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 675         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 676         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 677         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 678         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 679         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 680         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 681         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 682         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 683         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 684         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 685         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 686         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 687         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 688         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 689         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 690         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 691         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE_MARK, &m_foldersubsxpm);
 692         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE_MARK, &m_foldernoselectxpm);
 693
 694         normal_font = pango_font_description_from_string(NORMAL_FONT);
 695         if (normal_font) {
 696                 gtk_widget_modify_font(ctree, normal_font);
 697                 pango_font_description_free(normal_font);
 698         }
 699         gtk_cmclist_set_row_height(GTK_CMCLIST(ctree), 0);
 700
 701         if (!normal_style) {
 702                 PangoFontDescription *font_desc;
 703                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 704                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 705                 if (font_desc) {
 706                         if (normal_style->font_desc)
 707                                 pango_font_description_free
 708                                         (normal_style->font_desc);
 709                         normal_style->font_desc = font_desc;
 710                 }
 711                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 712                 normal_color_style = gtk_style_copy(normal_style);
 713                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 714         }
 715
 716         if (!bold_style) {
 717                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 718                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 719                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 720                         PangoFontDescription *font_desc;
 721                         font_desc = pango_font_description_from_string(NORMAL_FONT);
 722                         if (font_desc) {
 723                                 pango_font_description_free(bold_style->font_desc);
 724                                 bold_style->font_desc = font_desc;
 725                         }
 726                         pango_font_description_set_weight
 727                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 728                 } else {
 729                         PangoFontDescription *font_desc;
 730                         font_desc = pango_font_description_from_string(BOLD_FONT);
 731                         if (font_desc) {
 732                                 if (bold_style->font_desc)
 733                                         pango_font_description_free
 734                                                 (bold_style->font_desc);
 735                                 bold_style->font_desc = font_desc;
 736                         }
 737                 }
 738                 bold_color_style = gtk_style_copy(bold_style);
 739                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 740
 741                 bold_tgtfold_style = gtk_style_copy(bold_style);
 742                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 743         }
 744 }
 745
 746 static gboolean folderview_defer_set(gpointer data)
 747 {
 748         FolderView *folderview = (FolderView *)data;
 749         MainWindow *mainwin = folderview->mainwin;
 750
 751         if (!mainwin)
 752                 return FALSE;
 753         if (mainwin->lock_count)
 754                 return TRUE;
 755
 756         debug_print("doing deferred folderview_set now\n");
 757         folderview_set(folderview);
 758
 759         folderview->deferred_refresh_id = 0;
 760         return FALSE;
 761 }
 762
 763 void folderview_set(FolderView *folderview)
 764 {
 765         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 766         MainWindow *mainwin = folderview->mainwin;
 767         FolderItem *sel_item = NULL, *op_item = NULL;
 768
 769         if (!mainwin)
 770                 return;
 771
 772         if (mainwin->lock_count) {
 773                 if (folderview->deferred_refresh_id == 0)
 774                         folderview->deferred_refresh_id =
 775                                 g_timeout_add(500, folderview_defer_set, folderview);
 776                 debug_print("deferred folderview_set\n");
 777                 return;
 778         }
 779
 780         inc_lock();
 781         debug_print("Setting folder info...\n");
 782         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 783
 784         main_window_cursor_wait(mainwin);
 785
 786         if (folderview->selected)
 787                 sel_item = folderview_get_selected_item(folderview);
 788         if (folderview->opened)
 789                 op_item = folderview_get_opened_item(folderview);
 790
 791         folderview->selected = NULL;
 792         folderview->opened = NULL;
 793
 794         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 795         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 796
 797         folderview_set_folders(folderview);
 798
 799         if (sel_item)
 800                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 801         if (op_item)
 802                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 803
 804         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 805         main_window_cursor_normal(mainwin);
 806         STATUSBAR_POP(mainwin);
 807         inc_unlock();
 808 }
 809
 810 void folderview_set_all(void)
 811 {
 812         GList *list;
 813
 814         for (list = folderview_list; list != NULL; list = list->next)
 815                 folderview_set((FolderView *)list->data);
 816 }
 817
 818 void folderview_select(FolderView *folderview, FolderItem *item)
 819 {
 820         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 821         GtkCMCTreeNode *node;
 822         GtkCMCTreeNode *old_selected = folderview->selected;
 823
 824         if (!item) return;
 825
 826         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 827         if (node) folderview_select_node(folderview, node);
 828
 829         if (old_selected != node)
 830                 folder_update_op_count();
 831 }
 832
 833 static void mark_all_read_cb(GtkAction *action, gpointer data)
 834 {
 835         mark_all_read_unread_handler(action, data, FALSE, TRUE);
 836 }
 837
 838 static void mark_all_unread_cb(GtkAction *action, gpointer data)
 839 {
 840         mark_all_read_unread_handler(action, data, FALSE, FALSE);
 841 }
 842
 843 static void mark_all_read_recursive_cb(GtkAction *action, gpointer data)
 844 {
 845         mark_all_read_unread_handler(action, data, TRUE, TRUE);
 846 }
 847
 848 static void mark_all_unread_recursive_cb(GtkAction *action, gpointer data)
 849 {
 850         mark_all_read_unread_handler(action, data, TRUE, FALSE);
 851 }
 852
 853 static void mark_all_read_unread_handler(GtkAction *action, gpointer data,
 854                                                 gboolean recursive, gboolean read)
 855 {
 856         FolderView *folderview = (FolderView *)data;
 857         FolderItem *item;
 858         AlertValue val;
 859         gchar *message;
 860         gchar *title;
 861
 862         item = folderview_get_selected_item(folderview);
 863         if (item == NULL)
 864                 return;
 865
 866         if (read) {
 867                 title = _("Mark all as read");
 868                 message = recursive? _("Do you really want to mark all mails in this "
 869                                                         "folder and its sub-folders as read?") :
 870                                                         _("Do you really want to mark all mails in this "
 871                                                         "folder as read?");
 872         } else {
 873                 title = _("Mark all as unread");
 874                 message = recursive? _("Do you really want to mark all mails in this "
 875                                                         "folder and its sub-folders as unread?") :
 876                                                         _("Do you really want to mark all mails in this "
 877                                                         "folder as unread?");
 878         }
 879         if (folderview->summaryview->folder_item != item &&
 880             prefs_common.ask_mark_all_read) {
 881                 val = alertpanel_full(title, message,
 882                           GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 883                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 884
 885                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 886                         return;
 887                 else if (val & G_ALERTDISABLE)
 888                         prefs_common.ask_mark_all_read = FALSE;
 889         }
 890
 891         folder_item_update_freeze();
 892         if (folderview->summaryview->folder_item != item && !recursive)
 893                 summary_lock(folderview->summaryview);
 894         else
 895                 summary_freeze(folderview->summaryview);
 896
 897         if (read) {
 898                 if (recursive)
 899                         folderutils_mark_all_read_recursive(item);
 900                 else
 901                         folderutils_mark_all_read(item);
 902         } else {
 903                 if (recursive)
 904                         folderutils_mark_all_unread_recursive(item);
 905                 else
 906                         folderutils_mark_all_unread(item);
 907         }
 908         if (folderview->summaryview->folder_item != item && !recursive)
 909                 summary_unlock(folderview->summaryview);
 910         else
 911                 summary_thaw(folderview->summaryview);
 912         folder_item_update_thaw();
 913 }
 914
 915 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 916 {
 917         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 918
 919         cm_return_if_fail(node != NULL);
 920
 921         if (folderview->open_folder) {
 922                 return;
 923         }
 924
 925         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 926         gtkut_ctree_expand_parent_all(ctree, node);
 927
 928         folderview->open_folder = TRUE;
 929         gtkut_ctree_set_focus_row(ctree, node);
 930         gtk_cmctree_select(ctree, node);
 931         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 932         if ((folderview->summaryview->folder_item &&
 933             folderview->summaryview->folder_item->total_msgs > 0) ||
 934              prefs_common.layout_mode == SMALL_LAYOUT)
 935                 summary_select_node(folderview->summaryview,
 936                                     folderview->summaryview->selected, -1);
 937         else
 938                 gtk_widget_grab_focus(folderview->ctree);
 939 }
 940
 941 void folderview_unselect(FolderView *folderview)
 942 {
 943         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 944                 gtk_cmctree_collapse
 945                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 946
 947         folderview->selected = folderview->opened = NULL;
 948 }
 949
 950 static GtkCMCTreeNode *folderview_find_next_with_flag(GtkCMCTree *ctree,
 951                                                       GtkCMCTreeNode *node,
 952                                                       MsgPermFlags flag)
 953 {
 954         FolderItem *item;
 955
 956         if (node)
 957                 node = gtkut_ctree_node_next(ctree, node);
 958         else
 959                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 960
 961         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 962                 item = gtk_cmctree_node_get_row_data(ctree, node);
 963                 if (!item)
 964                         continue;
 965                 if (item->stype == F_TRASH || item->stype == F_DRAFT)
 966                         continue;
 967                 switch (flag) {
 968                 case MSG_UNREAD:
 969                         if(item->unread_msgs > 0)
 970                                 return node;
 971                         break;
 972                 case MSG_NEW:
 973                         if(item->new_msgs > 0)
 974                                 return node;
 975                         break;
 976                 case MSG_MARKED:
 977                         if(item->marked_msgs > 0)
 978                                 return node;
 979                         break;
 980                 default:
 981                         if(item->total_msgs > 0)
 982                                 return node;
 983                         break;
 984                 }
 985         }
 986
 987         return NULL;
 988 }
 989
 990 void folderview_select_next_with_flag(FolderView *folderview,
 991                                       MsgPermFlags flag)
 992 {
 993         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 994         GtkCMCTreeNode *node = NULL;
 995         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 996
 997         switch (flag) {
 998         case MSG_UNREAD:
 999                 prefs_common.summary_select_prio[0] = ACTION_UNREAD;
1000                 break;
1001         case MSG_NEW:
1002                 prefs_common.summary_select_prio[0] = ACTION_NEW;
1003                 break;
1004         case MSG_MARKED:
1005                 prefs_common.summary_select_prio[0] = ACTION_MARKED;
1006                 break;
1007         default:
1008                 prefs_common.summary_select_prio[0] = ACTION_FIRST_LIST;
1009                 break;
1010         }
1011
1012         node = folderview_find_next_with_flag(ctree, folderview->opened, flag);
1013         if (node != NULL) {
1014                 folderview_select_node(folderview, node);
1015                 goto out;
1016         }
1017
1018         if (!folderview->opened ||
1019             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
1020                 goto out;
1021         }
1022
1023         /* search again from the first node */
1024         node = folderview_find_next_with_flag(ctree, NULL, flag);
1025         if (node != NULL)
1026                 folderview_select_node(folderview, node);
1027
1028 out:
1029         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1030 }
1031
1032 FolderItem *folderview_get_selected_item(FolderView *folderview)
1033 {
1034         g_return_val_if_fail(folderview != NULL, NULL);
1035         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1036
1037         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1038
1039         if (!folderview->selected) return NULL;
1040         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
1041 }
1042
1043 FolderItem *folderview_get_opened_item(FolderView *folderview)
1044 {
1045         g_return_val_if_fail(folderview != NULL, NULL);
1046         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1047
1048         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1049
1050         if (!folderview->opened) return NULL;
1051         return gtk_cmctree_node_get_row_data(ctree, folderview->opened);
1052 }
1053
1054 static void folderview_set_folders(FolderView *folderview)
1055 {
1056         GList *list;
1057         list = folder_get_list();
1058
1059         for (; list != NULL; list = list->next) {
1060                 folderview_append_folder(folderview, FOLDER(list->data));
1061         }
1062 }
1063
1064 static gchar *get_scan_str(FolderItem *item)
1065 {
1066         if (item->path)
1067                 return g_strdup_printf(_("Scanning folder %s/%s..."),
1068                                       item->folder->name, item->path);
1069         else
1070                 return g_strdup_printf(_("Scanning folder %s..."),
1071                                       item->folder->name);
1072 }
1073 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1074                                       gpointer data)
1075 {
1076         GList *list;
1077         for (list = folderview_list; list != NULL; list = list->next) {
1078                 FolderView *folderview = (FolderView *)list->data;
1079                 MainWindow *mainwin = folderview->mainwin;
1080                 gchar *str = get_scan_str(item);
1081
1082                 STATUSBAR_PUSH(mainwin, str);
1083                 STATUSBAR_POP(mainwin);
1084                 g_free(str);
1085         }
1086 }
1087
1088 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1089 {
1090         GtkWidget *window;
1091         MainWindow *mainwin = mainwindow_get_mainwindow();
1092         FolderView *folderview = NULL;
1093         GtkAdjustment *pos = NULL;
1094         gint height = 0;
1095
1096         cm_return_if_fail(folder != NULL);
1097
1098         if (!folder->klass->scan_tree) return;
1099
1100         if (rebuild &&
1101             alertpanel_full(_("Rebuild folder tree"),
1102                          _("Rebuilding the folder tree will remove "
1103                            "local caches. Do you want to continue?"),
1104                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1105                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1106                 != G_ALERTALTERNATE) {
1107                 return;
1108         }
1109
1110         inc_lock();
1111         if (rebuild)
1112                 window = label_window_create(_("Rebuilding folder tree..."));
1113         else
1114                 window = label_window_create(_("Scanning folder tree..."));
1115
1116         if (mainwin)
1117                 folderview = mainwin->folderview;
1118
1119         if (folderview) {
1120                 pos = gtk_scrolled_window_get_vadjustment(
1121                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1122                 height = gtk_adjustment_get_value(pos);
1123         }
1124
1125         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1126         folder_scan_tree(folder, rebuild);
1127         folder_set_ui_func(folder, NULL, NULL);
1128
1129         folderview_set_all();
1130
1131         if (folderview) {
1132                 pos = gtk_scrolled_window_get_vadjustment(
1133                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1134                 gtk_adjustment_set_value(pos, height);
1135                 gtk_adjustment_changed(pos);
1136         }
1137         label_window_destroy(window);
1138         inc_unlock();
1139 }
1140
1141 /** folderview_check_new()
1142  *  Scan and update the folder and return the
1143  *  count the number of new messages since last check.
1144  *  \param folder the folder to check for new messages
1145  *  \return the number of new messages since last check
1146  */
1147 gint folderview_check_new(Folder *folder)
1148 {
1149         GList *list;
1150         FolderItem *item;
1151         FolderView *folderview;
1152         GtkCMCTree *ctree;
1153         GtkCMCTreeNode *node;
1154         gint new_msgs = 0;
1155         gint former_new_msgs = 0;
1156         gint former_new = 0, former_unread = 0, former_total;
1157
1158         for (list = folderview_list; list != NULL; list = list->next) {
1159                 folderview = (FolderView *)list->data;
1160                 ctree = GTK_CMCTREE(folderview->ctree);
1161                 folderview->scanning_folder = folder;
1162                 inc_lock();
1163                 main_window_lock(folderview->mainwin);
1164
1165                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1166                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1167                         gchar *str = NULL;
1168                         item = gtk_cmctree_node_get_row_data(ctree, node);
1169                         if (!item || !item->path || !item->folder) continue;
1170                         if (item->no_select) continue;
1171                         if (folder && folder != item->folder) continue;
1172                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1173                         if (!item->prefs->newmailcheck) continue;
1174                         if (item->processing_pending == TRUE) {
1175                                 debug_print("skipping %s, processing pending\n",
1176                                         item->path ? item->path : item->name);
1177                                 continue;
1178                         }
1179                         if (item->scanning != ITEM_NOT_SCANNING) {
1180                                 debug_print("skipping %s, scanning\n",
1181                                         item->path ? item->path : item->name);
1182                                 continue;
1183                         }
1184
1185                         str = get_scan_str(item);
1186
1187                         STATUSBAR_PUSH(folderview->mainwin, str);
1188                         GTK_EVENTS_FLUSH();
1189                         g_free(str);
1190
1191                         folderview_scan_tree_func(item->folder, item, NULL);
1192                         former_new    = item->new_msgs;
1193                         former_unread = item->unread_msgs;
1194                         former_total  = item->total_msgs;
1195
1196                         if (item->folder->klass->scan_required &&
1197                             (item->folder->klass->scan_required(item->folder, item) ||
1198                              item->folder->inbox == item ||
1199                              item->opened == TRUE ||
1200                              item->processing_pending == TRUE)) {
1201                                 if (folder_item_scan(item) < 0) {
1202                                         if (folder) {
1203                                                 summaryview_unlock(folderview->summaryview, item);
1204                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1205                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1206                                                                 item->path ? item->path:item->name);
1207                                                         STATUSBAR_POP(folderview->mainwin);
1208                                                         continue;
1209                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1210                                                         STATUSBAR_POP(folderview->mainwin);
1211                                                         break;
1212                                                 }
1213                                         }
1214                                 }
1215                         } else if (!item->folder->klass->scan_required) {
1216                                 if (folder_item_scan(item) < 0) {
1217                                         summaryview_unlock(folderview->summaryview, item);
1218                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1219                                                 STATUSBAR_POP(folderview->mainwin);
1220                                                 break;
1221                                         }
1222                                 }
1223                         }
1224                         if (former_new    != item->new_msgs ||
1225                             former_unread != item->unread_msgs ||
1226                             former_total  != item->total_msgs)
1227                                 folderview_update_node(folderview, node);
1228
1229                         new_msgs += item->new_msgs;
1230                         former_new_msgs += former_new;
1231                         STATUSBAR_POP(folderview->mainwin);
1232                 }
1233                 folderview->scanning_folder = NULL;
1234                 main_window_unlock(folderview->mainwin);
1235                 inc_unlock();
1236         }
1237
1238         folder_write_list();
1239         /* Number of new messages since last check is the just the difference
1240          * between former_new_msgs and new_msgs. If new_msgs is less than
1241          * former_new_msgs, that would mean another session accessed the folder
1242          * and the result is not well defined.
1243          */
1244         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1245         return new_msgs;
1246 }
1247
1248 void folderview_check_new_all(void)
1249 {
1250         GList *list;
1251         GtkWidget *window;
1252         FolderView *folderview;
1253
1254         folderview = (FolderView *)folderview_list->data;
1255
1256         inc_lock();
1257         main_window_lock(folderview->mainwin);
1258         window = label_window_create
1259                 (_("Checking for new messages in all folders..."));
1260
1261         list = folder_get_list();
1262         for (; list != NULL; list = list->next) {
1263                 Folder *folder = list->data;
1264
1265                 folderview_check_new(folder);
1266         }
1267
1268         folder_write_list();
1269         folderview_set_all();
1270
1271         label_window_destroy(window);
1272         main_window_unlock(folderview->mainwin);
1273         inc_unlock();
1274 }
1275
1276 static gboolean folderview_have_children_sub(FolderView *folderview,
1277                                              FolderItem *item,
1278                                              gboolean in_sub)
1279 {
1280         GNode *node = NULL;
1281
1282         if (!item || !item->folder || !item->folder->node)
1283                 return FALSE;
1284
1285         node = item->folder->node;
1286
1287         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1288         node = node->children;
1289
1290         if (in_sub && item->total_msgs > 0) {
1291                 return TRUE;
1292         }
1293
1294         while (node != NULL) {
1295                 if (node && node->data) {
1296                         FolderItem *next_item = (FolderItem*) node->data;
1297                         node = node->next;
1298                         if (folderview_have_children_sub(folderview,
1299                                                          next_item, TRUE))
1300                                 return TRUE;
1301                 }
1302         }
1303
1304         return FALSE;
1305 }
1306
1307 static gboolean folderview_have_children(FolderView *folderview,
1308                                          FolderItem *item)
1309 {
1310         return folderview_have_children_sub(folderview, item, FALSE);
1311 }
1312
1313 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1314                                                  FolderItem *item,
1315                                                  gboolean in_sub)
1316 {
1317         GNode *node = NULL;
1318
1319         if (!item || !item->folder || !item->folder->node)
1320                 return FALSE;
1321
1322         node = item->folder->node;
1323
1324         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1325         node = node->children;
1326
1327         if (in_sub &&
1328             (item->new_msgs > 0 ||
1329             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1330                 return TRUE;
1331         }
1332
1333         while (node != NULL) {
1334                 if (node && node->data) {
1335                         FolderItem *next_item = (FolderItem*) node->data;
1336                         node = node->next;
1337                         if (folderview_have_new_children_sub(folderview,
1338                                                              next_item, TRUE))
1339                                 return TRUE;
1340                 }
1341         }
1342
1343         return FALSE;
1344 }
1345
1346 static gboolean folderview_have_new_children(FolderView *folderview,
1347                                              FolderItem *item)
1348 {
1349         return folderview_have_new_children_sub(folderview, item, FALSE);
1350 }
1351
1352 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1353                                                     FolderItem *item,
1354                                                     gboolean in_sub)
1355 {
1356         GNode *node = NULL;
1357
1358         if (!item || !item->folder || !item->folder->node)
1359                 return FALSE;
1360
1361         node = item->folder->node;
1362
1363         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1364         node = node->children;
1365
1366         if (in_sub &&
1367             (item->unread_msgs > 0 ||
1368             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1369                 return TRUE;
1370         }
1371
1372         while (node != NULL) {
1373                 if (node && node->data) {
1374                         FolderItem *next_item = (FolderItem*) node->data;
1375                         node = node->next;
1376                         if (folderview_have_unread_children_sub(folderview,
1377                                                                 next_item,
1378                                                                 TRUE))
1379                                 return TRUE;
1380                 }
1381         }
1382
1383         return FALSE;
1384 }
1385
1386 static gboolean folderview_have_unread_children(FolderView *folderview,
1387                                                 FolderItem *item)
1388 {
1389         return folderview_have_unread_children_sub(folderview, item, FALSE);
1390 }
1391
1392 static gboolean folderview_have_read_children_sub(FolderView *folderview,
1393                                                     FolderItem *item,
1394                                                     gboolean in_sub)
1395 {
1396         GNode *node = NULL;
1397
1398         if (!item || !item->folder || !item->folder->node) {
1399                 return FALSE;
1400         }
1401
1402         node = item->folder->node;
1403
1404         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1405         node = node->children;
1406
1407         if (in_sub &&
1408             (((item->total_msgs > 0) &&
1409                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs))))) {
1410                 return TRUE;
1411         }
1412
1413         while (node != NULL) {
1414                 if (node && node->data) {
1415                         FolderItem *next_item = (FolderItem*) node->data;
1416                         node = node->next;
1417                         if (folderview_have_read_children_sub(folderview,
1418                                                                 next_item,
1419                                                                 TRUE)) {
1420                                 return TRUE;
1421                         }
1422                 }
1423         }
1424
1425 debug_print("-> false 2 %s\n", item->name);
1426         return FALSE;
1427 }
1428
1429 static gboolean folderview_have_read_children(FolderView *folderview,
1430                                                 FolderItem *item)
1431 {
1432 gboolean ret;
1433          ret = folderview_have_read_children_sub(folderview, item, FALSE);
1434 debug_print("-> %s 0 (%d)\n", ret?"true":"false", ret);
1435         return ret;
1436 }
1437
1438 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1439                                                       FolderItem *item,
1440                                                       gboolean in_sub)
1441 {
1442         GNode *node = NULL;
1443
1444         if (!item || !item->folder || !item->folder->node)
1445                 return FALSE;
1446
1447         node = item->folder->node;
1448
1449         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1450         node = node->children;
1451
1452         if (in_sub && item->search_match){
1453                 return TRUE;
1454         }
1455
1456         while (node != NULL) {
1457                 if (node && node->data) {
1458                         FolderItem *next_item = (FolderItem*) node->data;
1459                         node = node->next;
1460                         if (folderview_have_matching_children_sub(folderview,
1461                                                                   next_item,
1462                                                                   TRUE))
1463                                 return TRUE;
1464                 }
1465         }
1466
1467         return FALSE;
1468 }
1469
1470 static gboolean folderview_have_matching_children(FolderView *folderview,
1471                                                   FolderItem *item)
1472 {
1473         return folderview_have_matching_children_sub(folderview, item, FALSE);
1474 }
1475
1476 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1477                                                     FolderItem *item,
1478                                                     gboolean in_sub)
1479 {
1480         GNode *node = NULL;
1481
1482         if (!item || !item->folder || !item->folder->node)
1483                 return FALSE;
1484
1485         node = item->folder->node;
1486
1487         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1488         node = node->children;
1489
1490         if (item->marked_msgs != 0) {
1491                 return TRUE;
1492         }
1493
1494         while (node != NULL) {
1495                 if (node && node->data) {
1496                         FolderItem *next_item = (FolderItem*) node->data;
1497                         node = node->next;
1498                         if (folderview_have_marked_children_sub(folderview,
1499                                                                 next_item, TRUE))
1500                                 return TRUE;
1501                 }
1502         }
1503
1504         return FALSE;
1505 }
1506
1507 static gboolean folderview_have_marked_children(FolderView *folderview,
1508                                              FolderItem *item)
1509 {
1510         return folderview_have_marked_children_sub(folderview, item, FALSE);
1511 }
1512
1513 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1514 {
1515         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1516         GtkStyle *style = NULL;
1517         GtkStyle *color_style = NULL;
1518         FolderItem *item;
1519         GdkPixbuf *xpm, *openxpm;
1520         static GdkPixbuf *searchicon;
1521         gboolean mark = FALSE;
1522         gchar *name;
1523         gchar *str;
1524         gboolean add_unread_mark;
1525         gboolean add_sub_match_mark;
1526         gboolean use_bold, use_color;
1527         gint *col_pos = folderview->col_pos;
1528         SpecialFolderItemType stype;
1529
1530         item = gtk_cmctree_node_get_row_data(ctree, node);
1531         cm_return_if_fail(item != NULL);
1532
1533         if (!GTK_CMCTREE_ROW(node)->expanded)
1534                 mark = folderview_have_marked_children(folderview, item);
1535         else
1536                 mark = (item->marked_msgs != 0);
1537
1538         stype = item->stype;
1539         if (stype == F_NORMAL) {
1540                 if (folder_has_parent_of_type(item, F_TRASH))
1541                         stype = F_TRASH;
1542                 else if (folder_has_parent_of_type(item, F_DRAFT))
1543                         stype = F_DRAFT;
1544                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1545                         stype = F_OUTBOX;
1546                 else if (folder_has_parent_of_type(item, F_QUEUE))
1547                         stype = F_QUEUE;
1548         }
1549         switch (stype) {
1550         case F_INBOX:
1551                 if (item->hide_read_msgs || item->hide_read_threads) {
1552                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1553                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1554                 } else {
1555                         xpm = mark?m_inboxxpm:inboxxpm;
1556                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1557                 }
1558                 break;
1559         case F_OUTBOX:
1560                 if (item->hide_read_msgs || item->hide_read_threads) {
1561                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1562                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1563                 } else {
1564                         xpm = mark?m_outboxxpm:outboxxpm;
1565                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1566                 }
1567                 break;
1568         case F_QUEUE:
1569                 if (item->hide_read_msgs || item->hide_read_threads) {
1570                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1571                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1572                 } else {
1573                         xpm = mark?m_queuexpm:queuexpm;
1574                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1575                 }
1576                 break;
1577         case F_TRASH:
1578                 if (item->hide_read_msgs || item->hide_read_threads) {
1579                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1580                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1581                 } else {
1582                         xpm = mark?m_trashxpm:trashxpm;
1583                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1584                 }
1585                 break;
1586         case F_DRAFT:
1587                 xpm = mark?m_draftsxpm:draftsxpm;
1588                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1589                 break;
1590         default:
1591                 if (!item->path &&
1592                     FOLDER_TYPE(item->folder) == F_IMAP &&
1593                     item->folder->account->imap_subsonly) {
1594                         xpm = mark?m_foldersubsxpm:foldersubsxpm;
1595                         openxpm = foldersubsopenxpm;
1596                 } else if (item->no_select) {
1597                         xpm = mark?m_foldernoselectxpm:foldernoselectxpm;
1598                         openxpm = foldernoselectopenxpm;
1599                 } else if (item->hide_read_msgs || item->hide_read_threads) {
1600                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1601                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1602                 } else {
1603                         xpm = mark?m_folderxpm:folderxpm;
1604                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1605                 }
1606         }
1607
1608         name = folder_item_get_name(item);
1609
1610         if (!GTK_CMCTREE_ROW(node)->expanded) {
1611                 add_unread_mark = folderview_have_unread_children(
1612                                         folderview, item);
1613                 add_sub_match_mark = folderview_have_matching_children(
1614                                         folderview, item);
1615         } else {
1616                 add_unread_mark = FALSE;
1617                 add_sub_match_mark = FALSE;
1618         }
1619
1620         if (item->search_match) {
1621                 if (!searchicon) {
1622                         stock_pixbuf_gdk(STOCK_PIXMAP_QUICKSEARCH,
1623                          &searchicon);
1624                 }
1625                 xpm = openxpm = searchicon;
1626         }
1627
1628         str = NULL;
1629         if (prefs_common.display_folder_unread) {
1630                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1631                         /* only total_msgs matters here */
1632                         if (item->total_msgs > 0) {
1633                                 /* show total number (should be equal to the unread number)
1634                                    and signs if any */
1635                                 str = g_strdup_printf("%s (%d%s%s)",
1636                                                         name, item->total_msgs,
1637                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1638                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1639                         }
1640                 } else {
1641                         if (prefs_common.display_folder_unread == 1) {
1642                                 if (item->unread_msgs > 0) {
1643                                         /* show unread number and signs */
1644                                         str = g_strdup_printf("%s (%d%s%s)",
1645                                                                 name, item->unread_msgs,
1646                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1647                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1648                                 }
1649                         } else {
1650                                 if (item->total_msgs > 0) {
1651                                         /* show unread number, total number and signs if any */
1652                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1653                                                                 name, item->unread_msgs, item->total_msgs,
1654                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1655                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1656                                 }
1657                         }
1658                 }
1659                 if ((str == NULL) &&
1660                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1661                         /* no unread/total numbers, but at least one sign */
1662                         str = g_strdup_printf("%s (%s%s)",
1663                                                 name,
1664                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1665                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1666                 }
1667         }
1668         if (str == NULL) {
1669                 /* last fallback, folder name only or with +! sign */
1670                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1671                         str = g_strdup_printf("%s%s",
1672                                                 name, " (+!)");
1673                 } else if (item->unreadmarked_msgs > 0) {
1674                         str = g_strdup_printf("%s%s",
1675                                                 name, " (!)");
1676                 } else if (add_sub_match_mark) {
1677                         str = g_strdup_printf("%s%s",
1678                                                 name, " (+)");
1679                 } else {
1680                         str = g_strdup_printf("%s", name);
1681                 }
1682         }
1683         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1684                                 xpm, openxpm,
1685                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1686         g_free(str);
1687         g_free(name);
1688
1689         if (!folder_item_parent(item)) {
1690                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1691                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1692                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1693         } else {
1694                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1695                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1696                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1697         }
1698
1699         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1700             folder_has_parent_of_type(item, F_TRASH)) {
1701                 use_bold = use_color = FALSE;
1702         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1703                 GSList *list = folder_item_get_msg_list(item);
1704                 GSList *cur;
1705                 use_bold = use_color = FALSE;
1706                 for (cur = list; cur; cur = cur->next) {
1707                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1708                         if (!MSG_IS_DELETED(msginfo->flags)) {
1709                                 /* highlight queue folder if there are any messages */
1710                                 use_bold = use_color = TRUE;
1711                                 break;
1712                         }
1713                 }
1714                 if (!GTK_CMCTREE_ROW(node)->expanded &&
1715                     use_bold == FALSE &&
1716                     folderview_have_children(folderview, item))
1717                         use_bold = use_color = TRUE;
1718                 procmsg_msg_list_free(list);
1719         } else {
1720                 /* if unread messages exist, print with bold font */
1721                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1722                                 || add_unread_mark;
1723                 /* if new messages exist, print with colored letter */
1724                 use_color =
1725                         (item->new_msgs > 0) ||
1726                         (add_unread_mark &&
1727                          folderview_have_new_children(folderview, item));
1728         }
1729
1730         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1731
1732         if (use_bold) {
1733                 GdkColor gdk_color;
1734
1735                 if (item->prefs->color > 0 && !use_color) {
1736                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1737                         color_style = gtk_style_copy(bold_style);
1738                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1739                         style = color_style;
1740                 } else if (use_color) {
1741                         style = bold_color_style;
1742                 } else
1743                         style = bold_style;
1744                 if (item->op_count > 0) {
1745                         style = bold_tgtfold_style;
1746                 }
1747         } else if (use_color) {
1748                 style = normal_color_style;
1749                 gtk_cmctree_node_set_foreground(ctree, node,
1750                                               &folderview->color_new);
1751         } else if (item->op_count > 0) {
1752                 style = bold_tgtfold_style;
1753         } else if (item->prefs->color > 0) {
1754                 GdkColor gdk_color;
1755                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1756                 color_style = gtk_style_copy(normal_style);
1757                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1758                 style = color_style;
1759         } else {
1760                 style = normal_style;
1761         }
1762
1763         gtk_cmctree_node_set_row_style(ctree, node, style);
1764
1765         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1766                 folderview_update_node(folderview, node);
1767 }
1768
1769 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1770 {
1771         GList *list;
1772         FolderView *folderview;
1773         GtkCMCTree *ctree;
1774         GtkCMCTreeNode *node;
1775
1776         cm_return_if_fail(item != NULL);
1777
1778         for (list = folderview_list; list != NULL; list = list->next) {
1779                 folderview = (FolderView *)list->data;
1780                 ctree = GTK_CMCTREE(folderview->ctree);
1781
1782                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1783                 if (node && item->search_match != matches) {
1784                         item->search_match = matches;
1785                         folderview_update_node(folderview, node);
1786                 }
1787         }
1788 }
1789
1790 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1791 {
1792         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1793         FolderView *folderview = (FolderView *)data;
1794         GtkCMCTree *ctree;
1795         GtkCMCTreeNode *node;
1796         cm_return_val_if_fail(update_info != NULL, TRUE);
1797         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1798         cm_return_val_if_fail(folderview != NULL, FALSE);
1799
1800         ctree = GTK_CMCTREE(folderview->ctree);
1801
1802         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1803
1804         if (node) {
1805                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1806                         folderview_update_node(folderview, node);
1807
1808                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1809                      update_info->item == folderview->summaryview->folder_item &&
1810                      update_info->item != NULL)
1811                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1812                                 summary_show(folderview->summaryview, update_info->item);
1813         }
1814
1815         return FALSE;
1816 }
1817
1818 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1819                                       GNode *gnode, GtkCMCTreeNode *cnode,
1820                                       gpointer data)
1821 {
1822         FolderView *folderview = (FolderView *)data;
1823         FolderItem *item = FOLDER_ITEM(gnode->data);
1824
1825         cm_return_val_if_fail(item != NULL, FALSE);
1826
1827         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1828         folderview_update_node(folderview, cnode);
1829
1830         return TRUE;
1831 }
1832
1833 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1834                                    gpointer data)
1835 {
1836         FolderView *folderview = (FolderView *)data;
1837         FolderItem *item;
1838
1839         if (GTK_CMCTREE_ROW(node)->children) {
1840                 item = gtk_cmctree_node_get_row_data(ctree, node);
1841                 cm_return_if_fail(item != NULL);
1842
1843                 if (!item->collapsed)
1844                         gtk_cmctree_expand(ctree, node);
1845                 else
1846                         folderview_update_node(folderview, node);
1847         }
1848 }
1849
1850 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1851                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1852 {
1853         if (item) {
1854                 GtkCMCTreeNode *node, *parent, *sibling;
1855
1856                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1857                 if (!node)
1858                         g_warning("%s not found.", item->path);
1859                 else {
1860                         parent = GTK_CMCTREE_ROW(node)->parent;
1861                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1862                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1863                         else
1864                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1865                         while (sibling) {
1866                                 FolderItem *tmp;
1867
1868                                 tmp = gtk_cmctree_node_get_row_data
1869                                         (ctree, sibling);
1870                                 if (tmp && tmp->stype != F_NORMAL)
1871                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1872                                 else
1873                                         break;
1874                         }
1875                         if (node != sibling)
1876                                 gtk_cmctree_move(ctree, node, parent, sibling);
1877                 }
1878
1879                 *prev = node;
1880         }
1881 }
1882
1883 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1884                                     Folder *folder)
1885 {
1886         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1887         GtkCMCTreeNode *prev = NULL;
1888
1889         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1890         gtk_sctree_sort_recursive(ctree, root);
1891         if (root && GTK_CMCTREE_ROW(root)->parent) {
1892                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1893                 return;
1894         }
1895         set_special_folder(ctree, folder->inbox, root, &prev);
1896         set_special_folder(ctree, folder->outbox, root, &prev);
1897         set_special_folder(ctree, folder->draft, root, &prev);
1898         set_special_folder(ctree, folder->queue, root, &prev);
1899         set_special_folder(ctree, folder->trash, root, &prev);
1900         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1901 }
1902
1903 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1904 {
1905         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1906         GtkCMCTreeNode *root;
1907
1908         cm_return_if_fail(folder != NULL);
1909
1910         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1911                                       folderview_gnode_func, folderview);
1912         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1913                                 folderview);
1914         folderview_sort_folders(folderview, root, folder);
1915 }
1916
1917 /* callback functions */
1918 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1919                                 GdkEventButton *event)
1920 {
1921         FolderItem *item;
1922         Folder *folder;
1923         FolderViewPopup *fpopup;
1924         GtkActionGroup *action_group;
1925         GtkWidget *popup;
1926         FolderItem *special_trash = NULL, *special_queue = NULL;
1927         PrefsAccount *ac;
1928         GtkUIManager *ui_manager = gtk_ui_manager_new();
1929
1930         if (folderview->ui_manager)
1931                 g_object_unref(folderview->ui_manager);
1932
1933         folderview->ui_manager = ui_manager;
1934         item = folderview_get_selected_item(folderview);
1935
1936         cm_return_if_fail(item != NULL);
1937         cm_return_if_fail(item->folder != NULL);
1938         folder = item->folder;
1939
1940         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1941
1942         if (fpopup != NULL)
1943                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1944         else {
1945                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1946                 action_group = g_hash_table_lookup(folderview->popups, "common");
1947         }
1948
1949         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1950         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1951         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1952
1953         if (fpopup->add_menuitems)
1954                 fpopup->add_menuitems(ui_manager, item);
1955
1956         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1957         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnread", "FolderViewPopup/MarkAllUnread", GTK_UI_MANAGER_MENUITEM)
1958         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllReadRec", "FolderViewPopup/MarkAllReadRec", GTK_UI_MANAGER_MENUITEM)
1959         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnreadRec", "FolderViewPopup/MarkAllUnreadRec", GTK_UI_MANAGER_MENUITEM)
1960         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1961         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1962         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1963         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1964         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1965
1966         if (fpopup->set_sensitivity != NULL)
1967                 fpopup->set_sensitivity(ui_manager, item);
1968
1969         if (NULL != (ac = account_find_from_item(item))) {
1970                 special_trash = account_get_special_folder(ac, F_TRASH);
1971                 special_queue = account_get_special_folder(ac, F_QUEUE);
1972         }
1973
1974         if ((item == folder->trash || item == special_trash
1975              || folder_has_parent_of_type(item, F_TRASH))) {
1976                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1977                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1978         }
1979
1980         if ((item == folder->queue || item == special_queue
1981              || folder_has_parent_of_type(item, F_QUEUE))) {
1982                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1983                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1984         }
1985
1986 #define SET_SENS(name, sens) \
1987         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1988
1989         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs > 0);
1990         SET_SENS("FolderViewPopup/MarkAllUnread", (item->total_msgs > 0) &&
1991                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs)));
1992         SET_SENS("FolderViewPopup/MarkAllReadRec", folderview_have_unread_children(folderview,item));
1993         SET_SENS("FolderViewPopup/MarkAllUnreadRec", folderview_have_read_children(folderview,item));
1994         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs > 0 &&
1995                  folderview->selected == folderview->opened);
1996         SET_SENS("FolderViewPopup/Properties", TRUE);
1997
1998         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1999                  item->total_msgs >= 1 && !item->processing_pending);
2000         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
2001                 !item->no_select && !item->processing_pending);
2002
2003         if (item == folder->trash || item == special_trash
2004             || folder_has_parent_of_type(item, F_TRASH)) {
2005                 GSList *msglist = folder_item_get_msg_list(item);
2006                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
2007                 procmsg_msg_list_free(msglist);
2008         }
2009         if (item == folder->queue || item == special_queue
2010             || folder_has_parent_of_type(item, F_QUEUE)) {
2011                 GSList *msglist = folder_item_get_msg_list(item);
2012                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
2013                 procmsg_msg_list_free(msglist);
2014         }
2015 #undef SET_SENS
2016
2017         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
2018                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
2019         g_signal_connect(G_OBJECT(popup), "selection_done",
2020                          G_CALLBACK(folderview_popup_close),
2021                          folderview);
2022         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
2023                        event->button, event->time);
2024 }
2025
2026 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
2027                                           FolderView *folderview)
2028 {
2029         GtkCMCList *clist = GTK_CMCLIST(ctree);
2030         gint prev_row = -1, row = -1, column = -1;
2031
2032         if (!event) return FALSE;
2033
2034         if (event->button == 1 || event->button == 2) {
2035                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
2036                         folderview->open_folder = TRUE;
2037
2038                 if (event->type == GDK_2BUTTON_PRESS) {
2039                         if (clist->selection) {
2040                                 GtkCMCTreeNode *node;
2041
2042                                 node = GTK_CMCTREE_NODE(clist->selection->data);
2043                                 if (node) {
2044                                         gtk_cmctree_toggle_expansion(
2045                                                 GTK_CMCTREE(ctree),
2046                                                 node);
2047                                         folderview->open_folder = FALSE;
2048                                 }
2049                         }
2050                 }
2051                 return FALSE;
2052         }
2053
2054         if (event->button == 2 || event->button == 3) {
2055                 /* right clicked */
2056                 if (clist->selection) {
2057                         GtkCMCTreeNode *node;
2058
2059                         node = GTK_CMCTREE_NODE(clist->selection->data);
2060                         if (node)
2061                                 prev_row = gtkut_ctree_get_nth_from_node
2062                                         (GTK_CMCTREE(ctree), node);
2063                 }
2064
2065                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
2066                                                   &row, &column))
2067                         return FALSE;
2068                 if (prev_row != row) {
2069                         gtk_cmclist_unselect_all(clist);
2070                         if (event->button == 2)
2071                                 folderview_select_node
2072                                         (folderview,
2073                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
2074                                                             row));
2075                         else
2076                                 gtk_cmclist_select_row(clist, row, column);
2077                 }
2078         }
2079
2080         if (event->button != 3) return FALSE;
2081
2082         folderview_set_sens_and_popup_menu(folderview, row, event);
2083         return FALSE;
2084 }
2085
2086 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2087                                            FolderView *folderview)
2088 {
2089         int row = -1, column = -1;
2090
2091         if (!event) return FALSE;
2092
2093         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
2094                                           &row, &column))
2095                 return FALSE;
2096         if (event->button == 1 && folderview->open_folder == FALSE &&
2097             folderview->opened != NULL) {
2098                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
2099                                           folderview->opened);
2100                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
2101         }
2102
2103         return FALSE;
2104 }
2105
2106 #define BREAK_ON_MODIFIER_KEY() \
2107         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
2108
2109 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2110                                        FolderView *folderview)
2111 {
2112         GtkCMCTreeNode *node;
2113         FolderItem *item;
2114
2115         if (!event) return FALSE;
2116
2117         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2118                 return FALSE;
2119
2120         switch (event->keyval) {
2121         case GDK_KEY_Right:
2122                 if (folderview->selected) {
2123                         if (GTK_CMCTREE_ROW(folderview->selected)->children != NULL
2124                                         && !GTK_CMCTREE_ROW(folderview->selected)->expanded)
2125                                 gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree),
2126                                                 folderview->selected);
2127                         else
2128                                 folderview_select_node(folderview,
2129                                                        folderview->selected);
2130                 }
2131                 break;
2132 #ifdef GENERIC_UMPC
2133         case GDK_KEY_Return:
2134                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2135                         gtk_cmctree_toggle_expansion(
2136                                 GTK_CMCTREE(folderview->ctree),
2137                                 folderview->selected);
2138                 }
2139                 break;
2140 #else
2141         case GDK_KEY_Return:
2142         case GDK_KEY_KP_Enter:
2143                 if (folderview->selected)
2144                         folderview_select_node(folderview, folderview->selected);
2145                 break;
2146 #endif
2147         case GDK_KEY_space:
2148                 BREAK_ON_MODIFIER_KEY();
2149                 if (folderview->selected) {
2150                         if (folderview->opened == folderview->selected &&
2151                             (!folderview->summaryview->folder_item ||
2152                              folderview->summaryview->folder_item->total_msgs == 0))
2153                                 folderview_select_next_with_flag(folderview, MSG_UNREAD);
2154                         else
2155                                 folderview_select_node(folderview,
2156                                                        folderview->selected);
2157                 }
2158                 break;
2159         case GDK_KEY_Left:
2160                 if (folderview->selected) {
2161                         if (GTK_CMCTREE_ROW(folderview->selected)->expanded) {
2162                                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree),
2163                                                 folderview->selected);
2164                         } else {
2165                                 if ((item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2166                                                 folderview->selected))) {
2167                                         if ((node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2168                                                         NULL, folder_item_parent(item)))) {
2169                                                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2170                                                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2171                                                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2172                                                                         node, -1, 0, 0);
2173                                         }
2174                                 }
2175                         }
2176                 }
2177                 break;
2178         case GDK_KEY_Home:
2179         case GDK_KEY_End:
2180                 if (event->keyval == GDK_KEY_Home)
2181                         node = gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0);
2182                 else
2183                         node = gtk_cmctree_last(GTK_CMCTREE(folderview->ctree),
2184                                         gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0));
2185
2186                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2187
2188                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2189                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2190                                         node, -1, 0, 0);
2191                 break;
2192         default:
2193                 break;
2194         }
2195
2196         return FALSE;
2197 }
2198
2199 typedef struct _PostponedSelectData
2200 {
2201         GtkCMCTree *ctree;
2202         GtkCMCTreeNode *row;
2203         gint column;
2204         FolderView *folderview;
2205 } PostponedSelectData;
2206
2207 static gboolean postpone_select(void *data)
2208 {
2209         PostponedSelectData *psdata = (PostponedSelectData *)data;
2210         debug_print("trying again\n");
2211
2212         psdata->folderview->postpone_select_id = 0;
2213         psdata->folderview->open_folder = TRUE;
2214         main_window_cursor_normal(psdata->folderview->mainwin);
2215         STATUSBAR_POP(psdata->folderview->mainwin);
2216         folderview_selected(psdata->ctree, psdata->row,
2217                             psdata->column, psdata->folderview);
2218         g_free(psdata);
2219         return FALSE;
2220 }
2221
2222 void folderview_close_opened(FolderView *folderview, gboolean dirty)
2223 {
2224         if (folderview->opened) {
2225                 if (dirty) {
2226                         folderview->opened = NULL;
2227                         return;
2228                 }
2229
2230                 FolderItem *olditem =
2231                         gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2232                                                       folderview->opened);
2233                 if (olditem) {
2234                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2235                                 olditem->path ? olditem->path:olditem->name);
2236                         /* will be null if we just moved the previously opened folder */
2237                         STATUSBAR_PUSH(folderview->mainwin, buf);
2238                         main_window_cursor_wait(folderview->mainwin);
2239                         g_free(buf);
2240                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2241                         summary_show(folderview->summaryview, NULL);
2242                         folder_item_close(olditem);
2243                         main_window_cursor_normal(folderview->mainwin);
2244                         STATUSBAR_POP(folderview->mainwin);
2245                         if (olditem->folder->klass->item_closed)
2246                                 olditem->folder->klass->item_closed(olditem);
2247
2248                 }
2249         }
2250
2251         if (folderview->opened &&
2252             !GTK_CMCTREE_ROW(folderview->opened)->children)
2253                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2254
2255         folderview->opened = NULL;
2256 }
2257 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2258                                 gint column, FolderView *folderview)
2259 {
2260         static gboolean can_select = TRUE;      /* exclusive lock */
2261         gboolean opened;
2262         FolderItem *item;
2263         gchar *buf;
2264         int res = 0;
2265         GtkCMCTreeNode *old_opened = folderview->opened;
2266         START_TIMING("");
2267         folderview->selected = row;
2268
2269         debug_print("newly selected %p, opened %p\n", folderview->selected,
2270                         folderview->opened);
2271         if (folderview->opened == row) {
2272                 folderview->open_folder = FALSE;
2273                 END_TIMING();
2274                 return;
2275         }
2276
2277         item = gtk_cmctree_node_get_row_data(ctree, row);
2278         if (!item) {
2279                 END_TIMING();
2280                 folderview->open_folder = FALSE;
2281                 return;
2282         }
2283
2284         if (!can_select || summary_is_locked(folderview->summaryview)) {
2285                 if (folderview->opened) {
2286                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2287                         gtk_cmctree_select(ctree, folderview->opened);
2288                 }
2289                 folderview->open_folder = FALSE;
2290                 END_TIMING();
2291                 return;
2292         }
2293
2294         if (!folderview->open_folder) {
2295                 END_TIMING();
2296                 return;
2297         }
2298
2299         can_select = FALSE;
2300
2301         /* Save cache for old folder */
2302         /* We don't want to lose all caches if sylpheed crashed */
2303         /* resets folderview->opened to NULL */
2304         folderview_close_opened(folderview, FALSE);
2305
2306         /* CLAWS: set compose button type: news folder items
2307          * always have a news folder as parent */
2308         if (item->folder)
2309                 toolbar_set_compose_button
2310                         (folderview->mainwin->toolbar,
2311                          FOLDER_TYPE(item->folder) == F_NEWS ?
2312                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2313
2314         if (item->path)
2315                 debug_print("Folder %s is selected\n", item->path);
2316
2317         if (!GTK_CMCTREE_ROW(row)->children)
2318                 gtk_cmctree_expand(ctree, row);
2319
2320         /* ungrab the mouse event */
2321         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2322                 gtk_grab_remove(GTK_WIDGET(ctree));
2323                 if (gdk_pointer_is_grabbed())
2324                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2325         }
2326
2327         /* Open Folder */
2328         /* TODO: wwp: avoid displaying (null) in the status bar */
2329         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2330                                         item->path : "(null)");
2331         debug_print("%s\n", buf);
2332         STATUSBAR_PUSH(folderview->mainwin, buf);
2333         g_free(buf);
2334
2335         main_window_cursor_wait(folderview->mainwin);
2336
2337         if (folderview->scanning_folder == item->folder) {
2338                 res = -2;
2339         } else {
2340                 res = folder_item_open(item);
2341         }
2342
2343         if (res == -1 && item->no_select == FALSE) {
2344                 main_window_cursor_normal(folderview->mainwin);
2345                 STATUSBAR_POP(folderview->mainwin);
2346
2347                 alertpanel_error(_("Folder could not be opened."));
2348
2349                 folderview->open_folder = FALSE;
2350                 can_select = TRUE;
2351                 END_TIMING();
2352                 return;
2353         } else if (res == -2 && item->no_select == FALSE) {
2354                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2355                 data->ctree = ctree;
2356                 data->row = row;
2357                 data->column = column;
2358                 data->folderview = folderview;
2359                 debug_print("postponing open of %s till end of scan\n",
2360                         item->path ? item->path:item->name);
2361                 folderview->open_folder = FALSE;
2362                 can_select = TRUE;
2363                 if (folderview->postpone_select_id != 0)
2364                         g_source_remove(folderview->postpone_select_id);
2365                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2366                 END_TIMING();
2367                 return;
2368         }
2369
2370         main_window_cursor_normal(folderview->mainwin);
2371
2372         /* Show messages */
2373         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2374         opened = summary_show(folderview->summaryview, item);
2375
2376         folder_clean_cache_memory(item);
2377
2378         if (!opened) {
2379                 gtkut_ctree_set_focus_row(ctree, old_opened);
2380                 gtk_cmctree_select(ctree, old_opened);
2381                 folderview->opened = old_opened;
2382         } else {
2383                 folderview->opened = row;
2384                 if (gtk_cmctree_node_is_visible(ctree, row)
2385                     != GTK_VISIBILITY_FULL)
2386                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2387         }
2388
2389         STATUSBAR_POP(folderview->mainwin);
2390
2391         folderview->open_folder = FALSE;
2392         can_select = TRUE;
2393         END_TIMING();
2394 }
2395
2396 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2397                                      FolderView *folderview)
2398 {
2399         FolderItem *item;
2400
2401         item = gtk_cmctree_node_get_row_data(ctree, node);
2402         cm_return_if_fail(item != NULL);
2403         item->collapsed = FALSE;
2404         folderview_update_node(folderview, node);
2405 }
2406
2407 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2408                                       FolderView *folderview)
2409 {
2410         FolderItem *item;
2411
2412         item = gtk_cmctree_node_get_row_data(ctree, node);
2413         cm_return_if_fail(item != NULL);
2414         item->collapsed = TRUE;
2415         folderview_update_node(folderview, node);
2416 }
2417
2418 static void folderview_popup_close(GtkMenuShell *menu_shell,
2419                                    FolderView *folderview)
2420 {
2421         if (!folderview->opened) return;
2422
2423         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2424 }
2425
2426 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2427                                    FolderView *folderview)
2428 {
2429         FolderColumnType type = folderview->col_state[column].type;
2430
2431         prefs_common.folder_col_size[type] = width;
2432 }
2433
2434 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2435 {
2436         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2437         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2438         GtkCMCTreeNode *node, *parent_node;
2439         gint *col_pos = folderview->col_pos;
2440         FolderItemUpdateData hookdata;
2441
2442         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2443         if (parent_node == NULL)
2444                 return;
2445
2446         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2447
2448         text[col_pos[F_COL_FOLDER]] = item->name;
2449         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2450                                      FOLDER_SPACING,
2451                                      folderxpm,
2452                                      folderopenxpm,
2453                                      FALSE, FALSE);
2454         gtk_cmctree_expand(ctree, parent_node);
2455         gtk_cmctree_node_set_row_data(ctree, node, item);
2456         if (normal_style)
2457                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2458         folderview_sort_folders(folderview, parent_node, item->folder);
2459
2460         hookdata.item = item;
2461         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2462         hookdata.msg = NULL;
2463         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2464
2465         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2466 }
2467
2468 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2469 {
2470         FolderView *folderview = (FolderView *)data;
2471         FolderItem *item;
2472         GSList *mlist = NULL;
2473         GSList *cur = NULL;
2474         FolderItem *special_trash = NULL;
2475         PrefsAccount *ac;
2476
2477         if (!folderview->selected) return;
2478         item = folderview_get_selected_item(folderview);
2479         cm_return_if_fail(item != NULL);
2480         cm_return_if_fail(item->folder != NULL);
2481
2482         if (NULL != (ac = account_find_from_item(item)))
2483                 special_trash = account_get_special_folder(ac, F_TRASH);
2484
2485         if (item != item->folder->trash && item != special_trash
2486         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2487
2488         if (prefs_common.ask_on_clean) {
2489                 if (alertpanel(_("Empty trash"),
2490                                _("Delete all messages in trash?"),
2491                                GTK_STOCK_CANCEL, g_strconcat("+", _("_Empty trash"), NULL), NULL) != G_ALERTALTERNATE)
2492                         return;
2493         }
2494
2495         mlist = folder_item_get_msg_list(item);
2496
2497         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2498                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2499                 if (MSG_IS_LOCKED(msginfo->flags))
2500                         continue;
2501                 /* is it partially received? (partial_recv isn't cached) */
2502                 if (msginfo->total_size != 0 &&
2503                     msginfo->size != (off_t)msginfo->total_size)
2504                         partial_mark_for_delete(msginfo);
2505         }
2506         procmsg_msg_list_free(mlist);
2507
2508         folder_item_remove_all_msg(item);
2509 }
2510
2511 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2512 {
2513         FolderView *folderview = (FolderView *)data;
2514         FolderItem *item;
2515         FolderItem *special_queue = NULL;
2516         PrefsAccount *ac;
2517         gchar *errstr = NULL;
2518
2519         if (!folderview->selected) return;
2520         item = folderview_get_selected_item(folderview);
2521         cm_return_if_fail(item != NULL);
2522         cm_return_if_fail(item->folder != NULL);
2523
2524         if (NULL != (ac = account_find_from_item(item)))
2525                 special_queue = account_get_special_folder(ac, F_QUEUE);
2526
2527         if (item != item->folder->queue && item != special_queue
2528         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2529
2530         if (procmsg_queue_is_empty(item))
2531                 return;
2532
2533         if (prefs_common.work_offline)
2534                 if (alertpanel(_("Offline warning"),
2535                                _("You're working offline. Override?"),
2536                                GTK_STOCK_NO, GTK_STOCK_YES,
2537                                NULL) != G_ALERTALTERNATE)
2538                 return;
2539
2540         /* ask for confirmation before sending queued messages only
2541            in online mode and if there is at least one message queued
2542            in any of the folder queue
2543         */
2544         if (prefs_common.confirm_send_queued_messages) {
2545                 if (!prefs_common.work_offline) {
2546                         if (alertpanel(_("Send queued messages"),
2547                                    _("Send all queued messages?"),
2548                                    GTK_STOCK_CANCEL, _("_Send"),
2549                                    NULL) != G_ALERTALTERNATE)
2550                                 return;
2551                 }
2552         }
2553
2554         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2555                 if (!errstr)
2556                         alertpanel_error_log(_("Some errors occurred while "
2557                                            "sending queued messages."));
2558                 else {
2559                         alertpanel_error_log(_("Some errors occurred "
2560                                         "while sending queued messages:\n%s"), errstr);
2561                         g_free(errstr);
2562                 }
2563         }
2564 }
2565
2566 static void folderview_search_cb(GtkAction *action, gpointer data)
2567 {
2568         FolderView *folderview = (FolderView *)data;
2569         summary_search(folderview->summaryview);
2570 }
2571
2572 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2573 {
2574         FolderView *folderview = (FolderView *)data;
2575         FolderItem *item;
2576
2577         if (!folderview->selected) return;
2578
2579         item = folderview_get_selected_item(folderview);
2580         cm_return_if_fail(item != NULL);
2581         cm_return_if_fail(item->folder != NULL);
2582
2583         item->processing_pending = TRUE;
2584         folder_item_apply_processing(item);
2585         item->processing_pending = FALSE;
2586 }
2587
2588 static void folderview_property_cb(GtkAction *action, gpointer data)
2589 {
2590         FolderView *folderview = (FolderView *)data;
2591         FolderItem *item;
2592
2593         if (!folderview->selected) return;
2594
2595         item = folderview_get_selected_item(folderview);
2596         cm_return_if_fail(item != NULL);
2597         cm_return_if_fail(item->folder != NULL);
2598
2599         prefs_folder_item_open(item);
2600 }
2601
2602 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2603 {
2604         GSList *list = NULL;
2605         GSList *done = NULL;
2606         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2607
2608         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2609                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2610                 &&  list->data != node) {
2611                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2612                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2613                 }
2614         }
2615         for (list = done; list != NULL; list = g_slist_next(list)) {
2616                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2617                                                                  list->data);
2618         }
2619         g_slist_free(done);
2620 }
2621
2622 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2623                             FolderItem *to_folder, gboolean copy)
2624 {
2625         FolderItem *new_folder = NULL;
2626         gchar *buf;
2627         gint status;
2628
2629         cm_return_if_fail(folderview != NULL);
2630         cm_return_if_fail(from_folder != NULL);
2631         cm_return_if_fail(to_folder != NULL);
2632
2633         if (prefs_common.warn_dnd) {
2634                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2635                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2636                                         from_folder->name, to_folder->name);
2637                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2638                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2639                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2640                 g_free(buf);
2641
2642                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2643                         return;
2644                 else if (status & G_ALERTDISABLE)
2645                         prefs_common.warn_dnd = FALSE;
2646         }
2647
2648         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2649                                 from_folder->name, to_folder->name);
2650         STATUSBAR_PUSH(folderview->mainwin, buf);
2651         g_free(buf);
2652         summary_clear_all(folderview->summaryview);
2653         folderview->opened = NULL;
2654         folderview->selected = NULL;
2655         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2656         inc_lock();
2657         main_window_cursor_wait(folderview->mainwin);
2658
2659         statusbar_verbosity_set(FALSE);
2660         folder_item_update_freeze();
2661         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2662         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2663                 statusbar_verbosity_set(FALSE);
2664                 main_window_cursor_normal(folderview->mainwin);
2665                 STATUSBAR_POP(folderview->mainwin);
2666                 folder_item_update_thaw();
2667                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2668
2669                 folderview_sort_folders(folderview,
2670                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2671                                 NULL, to_folder), new_folder->folder);
2672                 folderview_select(folderview, new_folder);
2673                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2674         } else {
2675                 statusbar_verbosity_set(FALSE);
2676                 main_window_cursor_normal(folderview->mainwin);
2677                 STATUSBAR_POP(folderview->mainwin);
2678                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2679                 folder_item_update_thaw();
2680                 switch (status) {
2681                 case F_MOVE_FAILED_DEST_IS_PARENT:
2682                         alertpanel_error(_("Source and destination are the same."));
2683                         break;
2684                 case F_MOVE_FAILED_DEST_IS_CHILD:
2685                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2686                                                 _("Can't move a folder to one of its children."));
2687                         break;
2688                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2689                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2690                         break;
2691                 default:
2692                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2693                         break;
2694                 }
2695         }
2696         inc_unlock();
2697         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2698 }
2699
2700 static gint folderview_clist_compare(GtkCMCList *clist,
2701                                      gconstpointer ptr1, gconstpointer ptr2)
2702 {
2703         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2704         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2705
2706         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2707         {
2708                 return item1->order - item2->order;
2709         }
2710
2711         // if only one folder has an order it comes first
2712         if (item1->order > 0)
2713         {
2714                 return -1;
2715         }
2716         if (item2->order > 0)
2717         {
2718                 return 1;
2719         }
2720
2721         if (!item1->name)
2722                 return (item2->name != NULL);
2723         if (!item2->name)
2724                 return -1;
2725
2726         return g_utf8_collate(item1->name, item2->name);
2727 }
2728
2729 static void folderview_processing_cb(GtkAction *action, gpointer data)
2730 {
2731         FolderView *folderview = (FolderView *)data;
2732         FolderItem *item;
2733         gchar *id, *title;
2734
2735         if (!folderview->selected) return;
2736
2737         item = folderview_get_selected_item(folderview);
2738         cm_return_if_fail(item != NULL);
2739         cm_return_if_fail(item->folder != NULL);
2740
2741         id = folder_item_get_identifier(item);
2742         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2743         g_free (id);
2744
2745         prefs_filtering_open(&item->prefs->processing, title,
2746                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2747         g_free (title);
2748 }
2749
2750 void folderview_set_target_folder_color(gint color_op)
2751 {
2752         gint firstone = 1;
2753         GList *list;
2754         FolderView *folderview;
2755
2756         for (list = folderview_list; list != NULL; list = list->next) {
2757                 folderview = (FolderView *)list->data;
2758                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2759                 if (firstone) {
2760                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2761                                 folderview->color_op;
2762                         firstone = 0;
2763                 }
2764         }
2765 }
2766
2767 static gchar *last_smallfont = NULL;
2768 static gchar *last_normalfont = NULL;
2769 static gchar *last_boldfont = NULL;
2770 static gboolean last_derive = 0;
2771
2772 void folderview_reinit_fonts(FolderView *folderview)
2773 {
2774         /* force reinit */
2775         g_free(last_smallfont);
2776         last_smallfont = NULL;
2777         g_free(last_normalfont);
2778         last_normalfont = NULL;
2779         g_free(last_boldfont);
2780         last_boldfont = NULL;
2781 }
2782
2783 void folderview_reflect_prefs(void)
2784 {
2785         gboolean update_font = FALSE;
2786         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2787         FolderItem *item = folderview_get_selected_item(folderview);
2788         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2789                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2790         gint height = gtk_adjustment_get_value(pos);
2791
2792         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2793                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2794                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2795                         last_derive != prefs_common.derive_from_normal_font)
2796                 update_font = TRUE;
2797
2798         if (!update_font)
2799                 return;
2800
2801         g_free(last_smallfont);
2802         last_smallfont = g_strdup(SMALL_FONT);
2803         g_free(last_normalfont);
2804         last_normalfont = g_strdup(NORMAL_FONT);
2805         g_free(last_boldfont);
2806         last_boldfont = g_strdup(BOLD_FONT);
2807         last_derive = prefs_common.derive_from_normal_font;
2808
2809 #define STYLE_FREE(s)                   \
2810         if (s != NULL) {                \
2811                 g_object_unref(s);      \
2812                 s = NULL;               \
2813         }
2814
2815         STYLE_FREE(normal_style);
2816         STYLE_FREE(normal_color_style);
2817         STYLE_FREE(bold_style);
2818         STYLE_FREE(bold_color_style);
2819         STYLE_FREE(bold_tgtfold_style);
2820
2821 #undef STYLE_FREE
2822
2823         folderview_init(folderview);
2824         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2825         folderview_column_set_titles(folderview);
2826         folderview_set_all();
2827
2828         g_signal_handlers_block_by_func
2829                 (G_OBJECT(folderview->ctree),
2830                  G_CALLBACK(folderview_selected), folderview);
2831
2832         if (item) {
2833                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2834                         GTK_CMCTREE(folderview->ctree), NULL, item);
2835
2836                 folderview_select(folderview, item);
2837                 folderview->open_folder = FALSE;
2838                 folderview->selected = node;
2839         }
2840
2841         g_signal_handlers_unblock_by_func
2842                 (G_OBJECT(folderview->ctree),
2843                  G_CALLBACK(folderview_selected), folderview);
2844
2845         pos = gtk_scrolled_window_get_vadjustment(
2846                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2847         gtk_adjustment_set_value(pos, height);
2848         gtk_adjustment_changed(pos);
2849         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2850 }
2851
2852 static void drag_state_stop(FolderView *folderview)
2853 {
2854         if (folderview->drag_timer_id)
2855                 g_source_remove(folderview->drag_timer_id);
2856         folderview->drag_timer_id = 0;
2857         folderview->drag_node = NULL;
2858 }
2859
2860 static gboolean folderview_defer_expand(FolderView *folderview)
2861 {
2862         if (folderview->drag_node) {
2863                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2864                 if (folderview->drag_item->collapsed) {
2865                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2866                         folderview->nodes_to_recollapse = g_slist_append
2867                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2868                 }
2869         }
2870         folderview->drag_item  = NULL;
2871         folderview->drag_timer_id = 0;
2872         return FALSE;
2873 }
2874
2875 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2876 {
2877         /* the idea is that we call drag_state_start() whenever we want expansion to
2878          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2879          * we need to call drag_state_stop() */
2880         drag_state_stop(folderview);
2881         /* request expansion */
2882         if (0 != (folderview->drag_timer_id = g_timeout_add
2883                         (prefs_common.hover_timeout,
2884                          (GSourceFunc)folderview_defer_expand,
2885                          folderview))) {
2886                 folderview->drag_node = node;
2887                 folderview->drag_item = item;
2888         }
2889 }
2890 #ifndef GENERIC_UMPC
2891 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2892                                   FolderView       *folderview)
2893 {
2894         GdkDragContext *context;
2895
2896         cm_return_if_fail(folderview != NULL);
2897         if (folderview->selected == NULL) return;
2898         if (folderview->nodes_to_recollapse)
2899                 g_slist_free(folderview->nodes_to_recollapse);
2900         folderview->nodes_to_recollapse = NULL;
2901         context = gtk_drag_begin(widget, folderview->target_list,
2902                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2903         gtk_drag_set_icon_default(context);
2904 }
2905 #endif
2906 static void folderview_drag_data_get(GtkWidget        *widget,
2907                                      GdkDragContext   *drag_context,
2908                                      GtkSelectionData *selection_data,
2909                                      guint             info,
2910                                      guint             time,
2911                                      FolderView       *folderview)
2912 {
2913         FolderItem *item;
2914         GList *sel;
2915         gchar *source = NULL;
2916         if (info == TARGET_DUMMY) {
2917                 sel = GTK_CMCLIST(folderview->ctree)->selection;
2918                 if (!sel)
2919                         return;
2920
2921                 item = gtk_cmctree_node_get_row_data
2922                         (GTK_CMCTREE(folderview->ctree),
2923                          GTK_CMCTREE_NODE(sel->data));
2924                 if (item) {
2925                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2926                         gtk_selection_data_set(selection_data,
2927                                                gtk_selection_data_get_target(selection_data), 8,
2928                                                source, strlen(source));
2929                 }
2930         } else {
2931                 g_warning("unknown info %d", info);
2932         }
2933 }
2934
2935 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2936 {
2937         FolderUpdateData *hookdata;
2938         FolderView *folderview;
2939         GtkWidget *ctree;
2940
2941         hookdata = source;
2942         folderview = (FolderView *) userdata;
2943         cm_return_val_if_fail(hookdata != NULL, FALSE);
2944         cm_return_val_if_fail(folderview != NULL, FALSE);
2945
2946         ctree = folderview->ctree;
2947         cm_return_val_if_fail(ctree != NULL, FALSE);
2948
2949         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2950                 folderview_create_folder_node(folderview, hookdata->item);
2951         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2952                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2953                                 NULL, folder_item_parent(hookdata->item));
2954                 folderview_sort_folders(folderview, node, hookdata->folder);
2955         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2956                 GtkCMCTreeNode *node;
2957
2958                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2959                 if (node != NULL) {
2960                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2961                         if (folderview->selected == node)
2962                                 folderview->selected = NULL;
2963                         if (folderview->opened == node)
2964                                 folderview->opened = NULL;
2965                 }
2966         } else if (hookdata->update_flags & FOLDER_MOVE_FOLDERITEM) {
2967                 /* do nothing, it's done by the ADD and REMOVE) */
2968         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2969                 folderview_set(folderview);
2970
2971         return FALSE;
2972 }
2973
2974 static gboolean folderview_dnd_scroll_cb(gpointer data)
2975 {
2976         FolderView *folderview = (FolderView *)data;
2977         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2978                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2979         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2980         gint max = (int)gtk_adjustment_get_upper(pos) -
2981                (int)gtk_adjustment_get_page_size(pos);
2982
2983         if (folderview->scroll_value == 0) {
2984                 folderview->scroll_timeout_id = 0;
2985                 return FALSE;
2986         }
2987
2988         if (folderview->scroll_value > 0 && new_val > max) {
2989                 new_val = max;
2990         } else if (folderview->scroll_value < 0 && new_val < 0) {
2991                 new_val = 0;
2992         }
2993         gtk_adjustment_set_value(pos, new_val);
2994
2995         return TRUE;
2996 }
2997
2998 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2999                                           GdkDragContext *context,
3000                                           gint            x,
3001                                           gint            y,
3002                                           guint           time,
3003                                           FolderView     *folderview)
3004 {
3005         gint row, column;
3006         FolderItem *item = NULL, *src_item = NULL;
3007         GtkCMCTreeNode *node = NULL;
3008         gboolean acceptable = FALSE;
3009         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
3010                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
3011         int height = (int)gtk_adjustment_get_page_size(pos);
3012         int total_height = (int)gtk_adjustment_get_upper(pos);
3013         int vpos = (int)gtk_adjustment_get_value(pos);
3014         int offset = prefs_common.show_col_headers ? 24:0;
3015         int dist;
3016
3017         if (gtk_cmclist_get_selection_info
3018                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
3019                 GtkWidget *srcwidget;
3020
3021                 if (y > height - (48 - offset) && height + vpos < total_height) {
3022                         dist = -(height - (48 - offset) - y);
3023                         folderview->scroll_value = 1.41f * (1+(dist / 6));
3024                 } else if (y < 72 - (24 - offset) && y >= 0) {
3025                         dist = 72 - (24 - offset) - y;
3026                         folderview->scroll_value = -1.41f * (1+(dist / 6));
3027                 } else {
3028                         folderview->scroll_value = 0;
3029                 }
3030                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
3031                         folderview->scroll_timeout_id =
3032                                 g_timeout_add(30, folderview_dnd_scroll_cb,
3033                                               folderview);
3034                 }
3035
3036                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3037                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3038                 src_item = folderview->summaryview->folder_item;
3039
3040                 srcwidget = gtk_drag_get_source_widget(context);
3041                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
3042                         /* comes from summaryview */
3043                         /* we are copying messages, so only accept folder items that are not
3044                            the source item, are no root items and can copy messages */
3045                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
3046                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3047                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3048                                 acceptable = TRUE;
3049                 } else if (srcwidget == folderview->ctree) {
3050                         /* comes from folderview */
3051                         /* we are moving folder items, only accept folders that are not
3052                            the source items and can copy messages and create folder items */
3053                         if (item && item->folder && src_item && src_item != item &&
3054                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3055                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
3056                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
3057                              || item->folder == src_item->folder))
3058                                 acceptable = TRUE;
3059                 } else {
3060                         /* comes from another app */
3061                         /* we are adding messages, so only accept folder items that are
3062                            no root items and can copy messages */
3063                         if (item && item->folder && folder_item_parent(item) != NULL
3064                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
3065                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3066                                 acceptable = TRUE;
3067                 }
3068         }
3069
3070         if (acceptable || (src_item && src_item == item))
3071                 drag_state_start(folderview, node, item);
3072
3073         if (acceptable) {
3074                 g_signal_handlers_block_by_func
3075                         (G_OBJECT(widget),
3076                          G_CALLBACK(folderview_selected), folderview);
3077                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
3078                 g_signal_handlers_unblock_by_func
3079                         (G_OBJECT(widget),
3080                          G_CALLBACK(folderview_selected), folderview);
3081                 gdk_drag_status(context,
3082                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
3083                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
3084         } else {
3085                 if (folderview->opened)
3086                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3087                 gdk_drag_status(context, 0, time);
3088         }
3089
3090         return acceptable;
3091 }
3092
3093 static void folderview_drag_leave_cb(GtkWidget      *widget,
3094                                      GdkDragContext *context,
3095                                      guint           time,
3096                                      FolderView     *folderview)
3097 {
3098         drag_state_stop(folderview);
3099         folderview->scroll_value = 0;
3100         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3101 }
3102
3103 static void free_info (gpointer stuff, gpointer data)
3104 {
3105         g_free(stuff);
3106 }
3107
3108 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
3109                            guint time, FolderItem *item)
3110 {
3111         GList *list, *tmp;
3112         GSList *msglist = NULL;
3113         list = uri_list_extract_filenames(data);
3114         if (!(item && item->folder && folder_item_parent(item) != NULL
3115                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
3116         {
3117                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3118                 debug_print("item doesn't fit\n");
3119                 return;
3120         }
3121         if (!list) {
3122                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3123                 debug_print("list is empty\n");
3124                 return;
3125         }
3126         for (tmp = list; tmp != NULL; tmp = tmp->next) {
3127                 MsgFileInfo *info = NULL;
3128
3129                 if (file_is_email((gchar *)tmp->data)) {
3130                         info = g_new0(MsgFileInfo, 1);
3131                         info->msginfo = NULL;
3132                         info->file = (gchar *)tmp->data;
3133                         msglist = g_slist_prepend(msglist, info);
3134                         debug_print("file is a mail\n");
3135                 } else {
3136                         debug_print("file isn't a mail\n");
3137                 }
3138         }
3139         if (msglist) {
3140                 msglist = g_slist_reverse(msglist);
3141                 folder_item_add_msgs(item, msglist, FALSE);
3142                 g_slist_foreach(msglist, free_info, NULL);
3143                 g_slist_free(msglist);
3144                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3145         } else {
3146                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3147         }
3148         list_free_strings(list);
3149         g_list_free(list);
3150 }
3151
3152 static void folderview_drag_received_cb(GtkWidget        *widget,
3153                                         GdkDragContext   *drag_context,
3154                                         gint              x,
3155                                         gint              y,
3156                                         GtkSelectionData *data,
3157                                         guint             info,
3158                                         guint             time,
3159                                         FolderView       *folderview)
3160 {
3161         gint row, column;
3162         FolderItem *item = NULL, *src_item;
3163         GtkCMCTreeNode *node;
3164         int offset = prefs_common.show_col_headers ? 24:0;
3165
3166         folderview->scroll_value = 0;
3167
3168         if (info == TARGET_DUMMY) {
3169                 drag_state_stop(folderview);
3170                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
3171                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
3172                         /* comes from summaryview */
3173                         if (gtk_cmclist_get_selection_info
3174                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3175                                 return;
3176
3177                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3178                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3179                         src_item = folderview->summaryview->folder_item;
3180
3181                         if (item->no_select) {
3182                                 alertpanel_error(_("The destination folder can only be used to "
3183                                                    "store subfolders."));
3184                                 return;
3185                         }
3186                         /* re-check (due to acceptable possibly set for folder moves */
3187                         if (!(item && item->folder && item->path && !item->no_select &&
3188                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3189                                 return;
3190                         }
3191                         if (item && src_item) {
3192                                 switch (gdk_drag_context_get_selected_action(drag_context)) {
3193                                 case GDK_ACTION_COPY:
3194                                         summary_copy_selected_to(folderview->summaryview, item);
3195                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3196                                         break;
3197                                 case GDK_ACTION_MOVE:
3198                                 case GDK_ACTION_DEFAULT:
3199                                 default:
3200                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3201                                                 summary_copy_selected_to(folderview->summaryview, item);
3202                                         else
3203                                                 summary_move_selected_to(folderview->summaryview, item);
3204                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3205                                 }
3206                         } else
3207                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3208                 } else {
3209                         /* comes from folderview */
3210                         char *source;
3211                         gboolean folder_is_normal = TRUE;
3212                         gboolean copy = (GDK_ACTION_COPY ==
3213                                 gdk_drag_context_get_selected_action(drag_context));
3214
3215                         source = (char *)gtk_selection_data_get_data(data) + 17;
3216                         if (gtk_cmclist_get_selection_info
3217                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3218                             || *source == 0) {
3219                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3220                                 return;
3221                         }
3222                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3223                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3224                         src_item = folder_find_item_from_identifier(source);
3225
3226                         folder_is_normal =
3227                                 src_item != NULL &&
3228                                 src_item->stype == F_NORMAL &&
3229                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3230                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3231                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3232                                 !folder_has_parent_of_type(src_item, F_TRASH);
3233                         if (!item || !src_item || !folder_is_normal) {
3234                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3235                                 return;
3236                         }
3237
3238                         folderview_move_folder(folderview, src_item, item, copy);
3239                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3240                 }
3241                 folderview->nodes_to_recollapse = NULL;
3242         } else if (info == TARGET_MAIL_URI_LIST) {
3243                 if (gtk_cmclist_get_selection_info
3244                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3245                         return;
3246
3247                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3248                 if (!node) {
3249                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3250                         debug_print("no node\n");
3251                         return;
3252                 }
3253                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3254                 if (!item) {
3255                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3256                         debug_print("no item\n");
3257                         return;
3258                 }
3259                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3260                         drag_context, time, item);
3261         }
3262 }
3263
3264 static void folderview_drag_end_cb(GtkWidget        *widget,
3265                                    GdkDragContext   *drag_context,
3266                                    FolderView       *folderview)
3267 {
3268         drag_state_stop(folderview);
3269         folderview->scroll_value = 0;
3270         g_slist_free(folderview->nodes_to_recollapse);
3271         folderview->nodes_to_recollapse = NULL;
3272 }
3273
3274 void folderview_register_popup(FolderViewPopup *fpopup)
3275 {
3276         GList *folderviews;
3277
3278         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3279                 FolderView *folderview = folderviews->data;
3280                 GtkActionGroup *factory;
3281
3282                 factory = create_action_group(folderview, fpopup);
3283                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3284         }
3285         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3286 }
3287
3288 void folderview_unregister_popup(FolderViewPopup *fpopup)
3289 {
3290         GList *folderviews;
3291
3292
3293         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3294                 FolderView *folderview = folderviews->data;
3295
3296                 g_hash_table_remove(folderview->popups, fpopup->klass);
3297         }
3298         g_hash_table_remove(folderview_popups, fpopup->klass);
3299 }
3300
3301 void folderview_remove_item(FolderView *folderview, FolderItem *item)
3302 {
3303         g_return_if_fail(folderview != NULL);
3304         g_return_if_fail(item != NULL);
3305
3306         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
3307         g_return_if_fail(ctree != NULL);
3308
3309         GtkCMCTreeNode *node =
3310                 gtk_cmctree_find_by_row_data(ctree, NULL, item);
3311         g_return_if_fail(node != NULL);
3312
3313         gtk_cmctree_remove_node(ctree, node);
3314 }
3315
3316 void folderview_freeze(FolderView *folderview)
3317 {
3318         if (folderview)
3319                 gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
3320 }
3321
3322 void folderview_thaw(FolderView *folderview)
3323 {
3324         if (folderview)
3325                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
3326 }
3327
3328 void folderview_grab_focus(FolderView *folderview)
3329 {
3330          if (folderview)
3331                  gtk_widget_grab_focus(folderview->ctree);
3332 }