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