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
 834         item = folderview_get_selected_item(folderview);
 835         if (item == NULL)
 836                 return;
 837
 838         if (folderview->summaryview->folder_item != item
 839         &&  prefs_common.ask_mark_all_read) {
 840                 val = alertpanel_full(_("Mark all as read"),
 841                         _("Do you really want to mark all mails in this "
 842                           "folder as read?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 843                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 844
 845                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 846                         return;
 847                 else if (val & G_ALERTDISABLE)
 848                         prefs_common.ask_mark_all_read = FALSE;
 849         }
 850
 851
 852         folder_item_update_freeze();
 853         if (folderview->summaryview->folder_item != item && !recursive)
 854                 summary_lock(folderview->summaryview);
 855         else
 856                 summary_freeze(folderview->summaryview);
 857
 858         if (recursive)
 859                 folderutils_mark_all_read_recursive(item);
 860         else
 861                 folderutils_mark_all_read(item);
 862
 863         if (folderview->summaryview->folder_item != item && !recursive)
 864                 summary_unlock(folderview->summaryview);
 865         else
 866                 summary_thaw(folderview->summaryview);
 867         folder_item_update_thaw();
 868 }
 869
 870 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 871 {
 872         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 873
 874         cm_return_if_fail(node != NULL);
 875
 876         if (folderview->open_folder) {
 877                 return;
 878         }
 879
 880         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 881         gtkut_ctree_expand_parent_all(ctree, node);
 882
 883         folderview->open_folder = TRUE;
 884         gtkut_ctree_set_focus_row(ctree, node);
 885         gtk_cmctree_select(ctree, node);
 886         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 887         if ((folderview->summaryview->folder_item &&
 888             folderview->summaryview->folder_item->total_msgs > 0) ||
 889              prefs_common.layout_mode == SMALL_LAYOUT)
 890                 summary_grab_focus(folderview->summaryview);
 891         else
 892                 gtk_widget_grab_focus(folderview->ctree);
 893 }
 894
 895 void folderview_unselect(FolderView *folderview)
 896 {
 897         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 898                 gtk_cmctree_collapse
 899                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 900
 901         folderview->selected = folderview->opened = NULL;
 902 }
 903
 904 static GtkCMCTreeNode *folderview_find_next_with_flag(GtkCMCTree *ctree,
 905                                                       GtkCMCTreeNode *node,
 906                                                       MsgPermFlags flag)
 907 {
 908         FolderItem *item;
 909
 910         if (node)
 911                 node = gtkut_ctree_node_next(ctree, node);
 912         else
 913                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 914
 915         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 916                 item = gtk_cmctree_node_get_row_data(ctree, node);
 917                 if (!item)
 918                         continue;
 919                 if (item->stype == F_TRASH || item->stype == F_DRAFT)
 920                         continue;
 921                 switch (flag) {
 922                 case MSG_UNREAD:
 923                         if(item->unread_msgs > 0)
 924                                 return node;
 925                         break;
 926                 case MSG_NEW:
 927                         if(item->new_msgs > 0)
 928                                 return node;
 929                         break;
 930                 case MSG_MARKED:
 931                         if(item->marked_msgs > 0)
 932                                 return node;
 933                         break;
 934                 }
 935         }
 936
 937         return NULL;
 938 }
 939
 940 void folderview_select_next_with_flag(FolderView *folderview,
 941                                       MsgPermFlags flag,
 942                                       gboolean force_open)
 943 {
 944         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 945         GtkCMCTreeNode *node = NULL;
 946         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 947         gboolean last_open = prefs_common.always_show_msg;
 948
 949         switch (flag) {
 950         case MSG_UNREAD:
 951                 prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 952                 break;
 953         case MSG_NEW:
 954                 prefs_common.summary_select_prio[0] = ACTION_NEW;
 955                 break;
 956         case MSG_MARKED:
 957                 prefs_common.summary_select_prio[0] = ACTION_MARKED;
 958                 break;
 959         }
 960         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
 961
 962         node = folderview_find_next_with_flag(ctree, folderview->opened, flag);
 963         if (node != NULL) {
 964                 folderview_select_node(folderview, node);
 965                 goto out;
 966         }
 967
 968         if (!folderview->opened ||
 969             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 970                 goto out;
 971         }
 972
 973         /* search again from the first node */
 974         node = folderview_find_next_with_flag(ctree, NULL, flag);
 975         if (node != NULL)
 976                 folderview_select_node(folderview, node);
 977
 978 out:
 979         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 980         prefs_common.always_show_msg = last_open;
 981 }
 982
 983 FolderItem *folderview_get_selected_item(FolderView *folderview)
 984 {
 985         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 986
 987         if (!folderview->selected) return NULL;
 988         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 989 }
 990
 991 static void folderview_set_folders(FolderView *folderview)
 992 {
 993         GList *list;
 994         list = folder_get_list();
 995
 996         for (; list != NULL; list = list->next) {
 997                 folderview_append_folder(folderview, FOLDER(list->data));
 998         }
 999 }
1000
1001 static gchar *get_scan_str(FolderItem *item)
1002 {
1003         if (item->path)
1004                 return g_strdup_printf(_("Scanning folder %s%c%s..."),
1005                                       item->folder->name, G_DIR_SEPARATOR,
1006                                       item->path);
1007         else
1008                 return g_strdup_printf(_("Scanning folder %s..."),
1009                                       item->folder->name);
1010 }
1011 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1012                                       gpointer data)
1013 {
1014         GList *list;
1015         for (list = folderview_list; list != NULL; list = list->next) {
1016                 FolderView *folderview = (FolderView *)list->data;
1017                 MainWindow *mainwin = folderview->mainwin;
1018                 gchar *str = get_scan_str(item);
1019
1020                 STATUSBAR_PUSH(mainwin, str);
1021                 STATUSBAR_POP(mainwin);
1022                 g_free(str);
1023         }
1024 }
1025
1026 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1027 {
1028         GtkWidget *window;
1029         MainWindow *mainwin = mainwindow_get_mainwindow();
1030         FolderView *folderview = NULL;
1031         GtkAdjustment *pos = NULL;
1032         gint height = 0;
1033
1034         cm_return_if_fail(folder != NULL);
1035
1036         if (!folder->klass->scan_tree) return;
1037
1038         if (rebuild &&
1039             alertpanel_full(_("Rebuild folder tree"),
1040                          _("Rebuilding the folder tree will remove "
1041                            "local caches. Do you want to continue?"),
1042                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1043                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1044                 != G_ALERTALTERNATE) {
1045                 return;
1046         }
1047
1048         inc_lock();
1049         if (rebuild)
1050                 window = label_window_create(_("Rebuilding folder tree..."));
1051         else
1052                 window = label_window_create(_("Scanning folder tree..."));
1053
1054         if (mainwin)
1055                 folderview = mainwin->folderview;
1056
1057         if (folderview) {
1058                 pos = gtk_scrolled_window_get_vadjustment(
1059                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1060                 height = gtk_adjustment_get_value(pos);
1061         }
1062
1063         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1064         folder_scan_tree(folder, rebuild);
1065         folder_set_ui_func(folder, NULL, NULL);
1066
1067         folderview_set_all();
1068
1069         if (folderview) {
1070                 pos = gtk_scrolled_window_get_vadjustment(
1071                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1072                 gtk_adjustment_set_value(pos, height);
1073                 gtk_adjustment_changed(pos);
1074         }
1075         label_window_destroy(window);
1076         inc_unlock();
1077 }
1078
1079 /** folderview_check_new()
1080  *  Scan and update the folder and return the
1081  *  count the number of new messages since last check.
1082  *  \param folder the folder to check for new messages
1083  *  \return the number of new messages since last check
1084  */
1085 gint folderview_check_new(Folder *folder)
1086 {
1087         GList *list;
1088         FolderItem *item;
1089         FolderView *folderview;
1090         GtkCMCTree *ctree;
1091         GtkCMCTreeNode *node;
1092         gint new_msgs = 0;
1093         gint former_new_msgs = 0;
1094         gint former_new = 0, former_unread = 0, former_total;
1095
1096         for (list = folderview_list; list != NULL; list = list->next) {
1097                 folderview = (FolderView *)list->data;
1098                 ctree = GTK_CMCTREE(folderview->ctree);
1099                 folderview->scanning_folder = folder;
1100                 inc_lock();
1101                 main_window_lock(folderview->mainwin);
1102
1103                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1104                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1105                         gchar *str = NULL;
1106                         item = gtk_cmctree_node_get_row_data(ctree, node);
1107                         if (!item || !item->path || !item->folder) continue;
1108                         if (item->no_select) continue;
1109                         if (folder && folder != item->folder) continue;
1110                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1111                         if (!item->prefs->newmailcheck) continue;
1112                         if (item->processing_pending == TRUE) {
1113                                 debug_print("skipping %s, processing pending\n",
1114                                         item->path ? item->path : item->name);
1115                                 continue;
1116                         }
1117                         if (item->scanning != ITEM_NOT_SCANNING) {
1118                                 debug_print("skipping %s, scanning\n",
1119                                         item->path ? item->path : item->name);
1120                                 continue;
1121                         }
1122
1123                         str = get_scan_str(item);
1124
1125                         STATUSBAR_PUSH(folderview->mainwin, str);
1126                         GTK_EVENTS_FLUSH();
1127                         g_free(str);
1128
1129                         folderview_scan_tree_func(item->folder, item, NULL);
1130                         former_new    = item->new_msgs;
1131                         former_unread = item->unread_msgs;
1132                         former_total  = item->total_msgs;
1133
1134                         if (item->folder->klass->scan_required &&
1135                             (item->folder->klass->scan_required(item->folder, item) ||
1136                              item->folder->inbox == item ||
1137                              item->opened == TRUE ||
1138                              item->processing_pending == TRUE)) {
1139                                 if (folder_item_scan(item) < 0) {
1140                                         if (folder) {
1141                                                 summaryview_unlock(folderview->summaryview, item);
1142                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1143                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1144                                                                 item->path ? item->path:item->name);
1145                                                         STATUSBAR_POP(folderview->mainwin);
1146                                                         continue;
1147                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1148                                                         STATUSBAR_POP(folderview->mainwin);
1149                                                         break;
1150                                                 }
1151                                         }
1152                                 }
1153                         } else if (!item->folder->klass->scan_required) {
1154                                 if (folder_item_scan(item) < 0) {
1155                                         summaryview_unlock(folderview->summaryview, item);
1156                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1157                                                 STATUSBAR_POP(folderview->mainwin);
1158                                                 break;
1159                                         }
1160                                 }
1161                         }
1162                         if (former_new    != item->new_msgs ||
1163                             former_unread != item->unread_msgs ||
1164                             former_total  != item->total_msgs)
1165                                 folderview_update_node(folderview, node);
1166
1167                         new_msgs += item->new_msgs;
1168                         former_new_msgs += former_new;
1169                         STATUSBAR_POP(folderview->mainwin);
1170                 }
1171                 folderview->scanning_folder = NULL;
1172                 main_window_unlock(folderview->mainwin);
1173                 inc_unlock();
1174         }
1175
1176         folder_write_list();
1177         /* Number of new messages since last check is the just the difference
1178          * between former_new_msgs and new_msgs. If new_msgs is less than
1179          * former_new_msgs, that would mean another session accessed the folder
1180          * and the result is not well defined.
1181          */
1182         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1183         return new_msgs;
1184 }
1185
1186 void folderview_check_new_all(void)
1187 {
1188         GList *list;
1189         GtkWidget *window;
1190         FolderView *folderview;
1191
1192         folderview = (FolderView *)folderview_list->data;
1193
1194         inc_lock();
1195         main_window_lock(folderview->mainwin);
1196         window = label_window_create
1197                 (_("Checking for new messages in all folders..."));
1198
1199         list = folder_get_list();
1200         for (; list != NULL; list = list->next) {
1201                 Folder *folder = list->data;
1202
1203                 folderview_check_new(folder);
1204         }
1205
1206         folder_write_list();
1207         folderview_set_all();
1208
1209         label_window_destroy(window);
1210         main_window_unlock(folderview->mainwin);
1211         inc_unlock();
1212 }
1213
1214 static gboolean folderview_have_children_sub(FolderView *folderview,
1215                                              FolderItem *item,
1216                                              gboolean in_sub)
1217 {
1218         GNode *node = NULL;
1219
1220         if (!item || !item->folder || !item->folder->node)
1221                 return FALSE;
1222
1223         node = item->folder->node;
1224
1225         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1226         node = node->children;
1227
1228         if (in_sub && item->total_msgs > 0) {
1229                 return TRUE;
1230         }
1231
1232         while (node != NULL) {
1233                 if (node && node->data) {
1234                         FolderItem *next_item = (FolderItem*) node->data;
1235                         node = node->next;
1236                         if (folderview_have_children_sub(folderview,
1237                                                          next_item, TRUE))
1238                                 return TRUE;
1239                 }
1240         }
1241
1242         return FALSE;
1243 }
1244
1245 static gboolean folderview_have_children(FolderView *folderview,
1246                                          FolderItem *item)
1247 {
1248         return folderview_have_children_sub(folderview, item, FALSE);
1249 }
1250
1251 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1252                                                  FolderItem *item,
1253                                                  gboolean in_sub)
1254 {
1255         GNode *node = NULL;
1256
1257         if (!item || !item->folder || !item->folder->node)
1258                 return FALSE;
1259
1260         node = item->folder->node;
1261
1262         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1263         node = node->children;
1264
1265         if (in_sub &&
1266             (item->new_msgs > 0 ||
1267             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1268                 return TRUE;
1269         }
1270
1271         while (node != NULL) {
1272                 if (node && node->data) {
1273                         FolderItem *next_item = (FolderItem*) node->data;
1274                         node = node->next;
1275                         if (folderview_have_new_children_sub(folderview,
1276                                                              next_item, TRUE))
1277                                 return TRUE;
1278                 }
1279         }
1280
1281         return FALSE;
1282 }
1283
1284 static gboolean folderview_have_new_children(FolderView *folderview,
1285                                              FolderItem *item)
1286 {
1287         return folderview_have_new_children_sub(folderview, item, FALSE);
1288 }
1289
1290 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1291                                                     FolderItem *item,
1292                                                     gboolean in_sub)
1293 {
1294         GNode *node = NULL;
1295
1296         if (!item || !item->folder || !item->folder->node)
1297                 return FALSE;
1298
1299         node = item->folder->node;
1300
1301         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1302         node = node->children;
1303
1304         if (in_sub &&
1305             (item->unread_msgs > 0 ||
1306             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1307                 return TRUE;
1308         }
1309
1310         while (node != NULL) {
1311                 if (node && node->data) {
1312                         FolderItem *next_item = (FolderItem*) node->data;
1313                         node = node->next;
1314                         if (folderview_have_unread_children_sub(folderview,
1315                                                                 next_item,
1316                                                                 TRUE))
1317                                 return TRUE;
1318                 }
1319         }
1320
1321         return FALSE;
1322 }
1323
1324 static gboolean folderview_have_unread_children(FolderView *folderview,
1325                                                 FolderItem *item)
1326 {
1327         return folderview_have_unread_children_sub(folderview, item, FALSE);
1328 }
1329
1330 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1331                                                       FolderItem *item,
1332                                                       gboolean in_sub)
1333 {
1334         GNode *node = NULL;
1335
1336         if (!item || !item->folder || !item->folder->node)
1337                 return FALSE;
1338
1339         node = item->folder->node;
1340
1341         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1342         node = node->children;
1343
1344         if (in_sub && item->search_match){
1345                 return TRUE;
1346         }
1347
1348         while (node != NULL) {
1349                 if (node && node->data) {
1350                         FolderItem *next_item = (FolderItem*) node->data;
1351                         node = node->next;
1352                         if (folderview_have_matching_children_sub(folderview,
1353                                                                   next_item,
1354                                                                   TRUE))
1355                                 return TRUE;
1356                 }
1357         }
1358
1359         return FALSE;
1360 }
1361
1362 static gboolean folderview_have_matching_children(FolderView *folderview,
1363                                                   FolderItem *item)
1364 {
1365         return folderview_have_matching_children_sub(folderview, item, FALSE);
1366 }
1367
1368 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1369                                                     FolderItem *item,
1370                                                     gboolean in_sub)
1371 {
1372         GNode *node = NULL;
1373
1374         if (!item || !item->folder || !item->folder->node)
1375                 return FALSE;
1376
1377         node = item->folder->node;
1378
1379         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1380         node = node->children;
1381
1382         if (item->marked_msgs != 0) {
1383                 return TRUE;
1384         }
1385
1386         while (node != NULL) {
1387                 if (node && node->data) {
1388                         FolderItem *next_item = (FolderItem*) node->data;
1389                         node = node->next;
1390                         if (folderview_have_marked_children_sub(folderview,
1391                                                                 next_item, TRUE))
1392                                 return TRUE;
1393                 }
1394         }
1395
1396         return FALSE;
1397 }
1398
1399 static gboolean folderview_have_marked_children(FolderView *folderview,
1400                                              FolderItem *item)
1401 {
1402         return folderview_have_marked_children_sub(folderview, item, FALSE);
1403 }
1404
1405 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1406 {
1407         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1408         GtkStyle *style = NULL;
1409         GtkStyle *color_style = NULL;
1410         FolderItem *item;
1411         GdkPixbuf *xpm, *openxpm;
1412         static GdkPixbuf *searchicon;
1413         gboolean mark = FALSE;
1414         gchar *name;
1415         gchar *str;
1416         gboolean add_unread_mark;
1417         gboolean add_sub_match_mark;
1418         gboolean use_bold, use_color;
1419         gint *col_pos = folderview->col_pos;
1420         SpecialFolderItemType stype;
1421
1422         item = gtk_cmctree_node_get_row_data(ctree, node);
1423         cm_return_if_fail(item != NULL);
1424
1425         if (!GTK_CMCTREE_ROW(node)->expanded)
1426                 mark = folderview_have_marked_children(folderview, item);
1427         else
1428                 mark = (item->marked_msgs != 0);
1429
1430         stype = item->stype;
1431         if (stype == F_NORMAL) {
1432                 if (folder_has_parent_of_type(item, F_TRASH))
1433                         stype = F_TRASH;
1434                 else if (folder_has_parent_of_type(item, F_DRAFT))
1435                         stype = F_DRAFT;
1436                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1437                         stype = F_OUTBOX;
1438                 else if (folder_has_parent_of_type(item, F_QUEUE))
1439                         stype = F_QUEUE;
1440         }
1441         switch (stype) {
1442         case F_INBOX:
1443                 if (item->hide_read_msgs || item->hide_read_threads) {
1444                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1445                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1446                 } else {
1447                         xpm = mark?m_inboxxpm:inboxxpm;
1448                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1449                 }
1450                 break;
1451         case F_OUTBOX:
1452                 if (item->hide_read_msgs || item->hide_read_threads) {
1453                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1454                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1455                 } else {
1456                         xpm = mark?m_outboxxpm:outboxxpm;
1457                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1458                 }
1459                 break;
1460         case F_QUEUE:
1461                 if (item->hide_read_msgs || item->hide_read_threads) {
1462                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1463                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1464                 } else {
1465                         xpm = mark?m_queuexpm:queuexpm;
1466                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1467                 }
1468                 break;
1469         case F_TRASH:
1470                 if (item->hide_read_msgs || item->hide_read_threads) {
1471                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1472                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1473                 } else {
1474                         xpm = mark?m_trashxpm:trashxpm;
1475                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1476                 }
1477                 break;
1478         case F_DRAFT:
1479                 xpm = mark?m_draftsxpm:draftsxpm;
1480                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1481                 break;
1482         default:
1483                 if (item->hide_read_msgs || item->hide_read_threads) {
1484                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1485                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1486                 } else {
1487                         xpm = mark?m_folderxpm:folderxpm;
1488                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1489                 }
1490         }
1491
1492         if (item->no_select) {
1493                 xpm = openxpm = noselectxpm;
1494         }
1495
1496         name = folder_item_get_name(item);
1497
1498         if (!GTK_CMCTREE_ROW(node)->expanded) {
1499                 add_unread_mark = folderview_have_unread_children(
1500                                         folderview, item);
1501                 add_sub_match_mark = folderview_have_matching_children(
1502                                         folderview, item);
1503         } else {
1504                 add_unread_mark = FALSE;
1505                 add_sub_match_mark = FALSE;
1506         }
1507
1508         if (item->search_match) {
1509                 if (!searchicon) {
1510                         stock_pixbuf_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1511                          &searchicon);
1512                 }
1513                 xpm = openxpm = searchicon;
1514         }
1515
1516         str = NULL;
1517         if (prefs_common.display_folder_unread) {
1518                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1519                         /* only total_msgs matters here */
1520                         if (item->total_msgs > 0) {
1521                                 /* show total number (should be equal to the unread number)
1522                                    and signs if any */
1523                                 str = g_strdup_printf("%s (%d%s%s)",
1524                                                         name, item->total_msgs,
1525                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1526                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1527                         }
1528                 } else {
1529                         if (prefs_common.display_folder_unread == 1) {
1530                                 if (item->unread_msgs > 0) {
1531                                         /* show unread number and signs */
1532                                         str = g_strdup_printf("%s (%d%s%s)",
1533                                                                 name, item->unread_msgs,
1534                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1535                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1536                                 }
1537                         } else {
1538                                 if (item->total_msgs > 0) {
1539                                         /* show unread number, total number and signs if any */
1540                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1541                                                                 name, item->unread_msgs, item->total_msgs,
1542                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1543                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1544                                 }
1545                         }
1546                 }
1547                 if ((str == NULL) &&
1548                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1549                         /* no unread/total numbers, but at least one sign */
1550                         str = g_strdup_printf("%s (%s%s)",
1551                                                 name,
1552                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1553                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1554                 }
1555         }
1556         if (str == NULL) {
1557                 /* last fallback, folder name only or with +! sign */
1558                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1559                         str = g_strdup_printf("%s%s",
1560                                                 name, " (+!)");
1561                 } else if (item->unreadmarked_msgs > 0) {
1562                         str = g_strdup_printf("%s%s",
1563                                                 name, " (!)");
1564                 } else if (add_sub_match_mark) {
1565                         str = g_strdup_printf("%s%s",
1566                                                 name, " (+)");
1567                 } else {
1568                         str = g_strdup_printf("%s", name);
1569                 }
1570         }
1571         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1572                                 xpm, openxpm,
1573                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1574         g_free(str);
1575         g_free(name);
1576
1577         if (!folder_item_parent(item)) {
1578                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1579                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1580                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1581         } else {
1582                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1583                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1584                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1585         }
1586
1587         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1588             folder_has_parent_of_type(item, F_TRASH)) {
1589                 use_bold = use_color = FALSE;
1590         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1591                 GSList *list = folder_item_get_msg_list(item);
1592                 GSList *cur;
1593                 use_bold = use_color = FALSE;
1594                 for (cur = list; cur; cur = cur->next) {
1595                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1596                         if (!MSG_IS_DELETED(msginfo->flags)) {
1597                                 /* highlight queue folder if there are any messages */
1598                                 use_bold = use_color = TRUE;
1599                                 break;
1600                         }
1601                 }
1602                 if (!GTK_CMCTREE_ROW(node)->expanded &&
1603                     use_bold == FALSE &&
1604                     folderview_have_children(folderview, item))
1605                         use_bold = use_color = TRUE;
1606                 procmsg_msg_list_free(list);
1607         } else {
1608                 /* if unread messages exist, print with bold font */
1609                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1610                                 || add_unread_mark;
1611                 /* if new messages exist, print with colored letter */
1612                 use_color =
1613                         (item->new_msgs > 0) ||
1614                         (add_unread_mark &&
1615                          folderview_have_new_children(folderview, item));
1616         }
1617
1618         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1619
1620         if (use_bold) {
1621                 GdkColor gdk_color;
1622
1623                 if (item->prefs->color > 0 && !use_color) {
1624                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1625                         color_style = gtk_style_copy(bold_style);
1626                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1627                         style = color_style;
1628                 } else if (use_color) {
1629                         style = bold_color_style;
1630                 } else
1631                         style = bold_style;
1632                 if (item->op_count > 0) {
1633                         style = bold_tgtfold_style;
1634                 }
1635         } else if (use_color) {
1636                 style = normal_color_style;
1637                 gtk_cmctree_node_set_foreground(ctree, node,
1638                                               &folderview->color_new);
1639         } else if (item->op_count > 0) {
1640                 style = bold_tgtfold_style;
1641         } else if (item->prefs->color > 0) {
1642                 GdkColor gdk_color;
1643                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1644                 color_style = gtk_style_copy(normal_style);
1645                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1646                 style = color_style;
1647         } else {
1648                 style = normal_style;
1649         }
1650
1651         gtk_cmctree_node_set_row_style(ctree, node, style);
1652
1653         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1654                 folderview_update_node(folderview, node);
1655 }
1656
1657 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1658 {
1659         GList *list;
1660         FolderView *folderview;
1661         GtkCMCTree *ctree;
1662         GtkCMCTreeNode *node;
1663
1664         cm_return_if_fail(item != NULL);
1665
1666         for (list = folderview_list; list != NULL; list = list->next) {
1667                 folderview = (FolderView *)list->data;
1668                 ctree = GTK_CMCTREE(folderview->ctree);
1669
1670                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1671                 if (node && item->search_match != matches) {
1672                         item->search_match = matches;
1673                         folderview_update_node(folderview, node);
1674                 }
1675         }
1676 }
1677
1678 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1679 {
1680         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1681         FolderView *folderview = (FolderView *)data;
1682         GtkCMCTree *ctree;
1683         GtkCMCTreeNode *node;
1684         cm_return_val_if_fail(update_info != NULL, TRUE);
1685         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1686         cm_return_val_if_fail(folderview != NULL, FALSE);
1687
1688         ctree = GTK_CMCTREE(folderview->ctree);
1689
1690         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1691
1692         if (node) {
1693                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1694                         folderview_update_node(folderview, node);
1695
1696                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1697                      update_info->item == folderview->summaryview->folder_item &&
1698                      update_info->item != NULL)
1699                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1700                                 summary_show(folderview->summaryview, update_info->item);
1701         }
1702
1703         return FALSE;
1704 }
1705
1706 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1707                                       GNode *gnode, GtkCMCTreeNode *cnode,
1708                                       gpointer data)
1709 {
1710         FolderView *folderview = (FolderView *)data;
1711         FolderItem *item = FOLDER_ITEM(gnode->data);
1712
1713         cm_return_val_if_fail(item != NULL, FALSE);
1714
1715         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1716         folderview_update_node(folderview, cnode);
1717
1718         return TRUE;
1719 }
1720
1721 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1722                                    gpointer data)
1723 {
1724         FolderView *folderview = (FolderView *)data;
1725         FolderItem *item;
1726
1727         if (GTK_CMCTREE_ROW(node)->children) {
1728                 item = gtk_cmctree_node_get_row_data(ctree, node);
1729                 cm_return_if_fail(item != NULL);
1730
1731                 if (!item->collapsed)
1732                         gtk_cmctree_expand(ctree, node);
1733                 else
1734                         folderview_update_node(folderview, node);
1735         }
1736 }
1737
1738 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1739                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1740 {
1741         if (item) {
1742                 GtkCMCTreeNode *node, *parent, *sibling;
1743
1744                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1745                 if (!node)
1746                         g_warning("%s not found.\n", item->path);
1747                 else {
1748                         parent = GTK_CMCTREE_ROW(node)->parent;
1749                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1750                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1751                         else
1752                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1753                         while (sibling) {
1754                                 FolderItem *tmp;
1755
1756                                 tmp = gtk_cmctree_node_get_row_data
1757                                         (ctree, sibling);
1758                                 if (tmp && tmp->stype != F_NORMAL)
1759                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1760                                 else
1761                                         break;
1762                         }
1763                         if (node != sibling)
1764                                 gtk_cmctree_move(ctree, node, parent, sibling);
1765                 }
1766
1767                 *prev = node;
1768         }
1769 }
1770
1771 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1772                                     Folder *folder)
1773 {
1774         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1775         GtkCMCTreeNode *prev = NULL;
1776
1777         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1778         gtk_sctree_sort_recursive(ctree, root);
1779         if (root && GTK_CMCTREE_ROW(root)->parent) {
1780                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1781                 return;
1782         }
1783         set_special_folder(ctree, folder->inbox, root, &prev);
1784         set_special_folder(ctree, folder->outbox, root, &prev);
1785         set_special_folder(ctree, folder->draft, root, &prev);
1786         set_special_folder(ctree, folder->queue, root, &prev);
1787         set_special_folder(ctree, folder->trash, root, &prev);
1788         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1789 }
1790
1791 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1792 {
1793         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1794         GtkCMCTreeNode *root;
1795
1796         cm_return_if_fail(folder != NULL);
1797
1798         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1799                                       folderview_gnode_func, folderview);
1800         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1801                                 folderview);
1802         folderview_sort_folders(folderview, root, folder);
1803 }
1804
1805 /* callback functions */
1806 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1807                                 GdkEventButton *event)
1808 {
1809         FolderItem *item;
1810         Folder *folder;
1811         FolderViewPopup *fpopup;
1812         GtkActionGroup *action_group;
1813         GtkWidget *popup;
1814         FolderItem *special_trash = NULL, *special_queue = NULL;
1815         PrefsAccount *ac;
1816         GtkUIManager *ui_manager = gtk_ui_manager_new();
1817
1818         if (folderview->ui_manager)
1819                 g_object_unref(folderview->ui_manager);
1820
1821         folderview->ui_manager = ui_manager;
1822         item = folderview_get_selected_item(folderview);
1823
1824         cm_return_if_fail(item != NULL);
1825         cm_return_if_fail(item->folder != NULL);
1826         folder = item->folder;
1827
1828         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1829
1830         if (fpopup != NULL)
1831                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1832         else {
1833                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1834                 action_group = g_hash_table_lookup(folderview->popups, "common");
1835         }
1836
1837         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1838         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1839         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1840
1841         if (fpopup->add_menuitems)
1842                 fpopup->add_menuitems(ui_manager, item);
1843
1844         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1845         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllReadRec", "FolderViewPopup/MarkAllReadRec", GTK_UI_MANAGER_MENUITEM)
1846         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1847         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1848         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1849         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1850         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1851
1852         if (fpopup->set_sensitivity != NULL)
1853                 fpopup->set_sensitivity(ui_manager, item);
1854
1855         if (NULL != (ac = account_find_from_item(item))) {
1856                 special_trash = account_get_special_folder(ac, F_TRASH);
1857                 special_queue = account_get_special_folder(ac, F_QUEUE);
1858         }
1859
1860         if ((item == folder->trash || item == special_trash
1861              || folder_has_parent_of_type(item, F_TRASH))) {
1862                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1863                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1864         }
1865
1866         if ((item == folder->queue || item == special_queue
1867              || folder_has_parent_of_type(item, F_QUEUE))) {
1868                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1869                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1870         }
1871
1872 #define SET_SENS(name, sens) \
1873         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1874
1875         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs >= 1);
1876         SET_SENS("FolderViewPopup/MarkAllReadRec", folderview_have_unread_children(folderview,item));
1877         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs >= 1 &&
1878                  folderview->selected == folderview->opened);
1879         SET_SENS("FolderViewPopup/Properties", TRUE);
1880
1881         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1882                  item->total_msgs >= 1 && !item->processing_pending);
1883         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1884                 !item->no_select && !item->processing_pending);
1885
1886         if (item == folder->trash || item == special_trash
1887             || folder_has_parent_of_type(item, F_TRASH)) {
1888                 GSList *msglist = folder_item_get_msg_list(item);
1889                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
1890                 procmsg_msg_list_free(msglist);
1891         }
1892         if (item == folder->queue || item == special_queue
1893             || folder_has_parent_of_type(item, F_QUEUE)) {
1894                 GSList *msglist = folder_item_get_msg_list(item);
1895                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
1896                 procmsg_msg_list_free(msglist);
1897         }
1898 #undef SET_SENS
1899
1900         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
1901                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
1902         g_signal_connect(G_OBJECT(popup), "selection_done",
1903                          G_CALLBACK(folderview_popup_close),
1904                          folderview);
1905         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1906                        event->button, event->time);
1907 }
1908
1909 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1910                                           FolderView *folderview)
1911 {
1912         GtkCMCList *clist = GTK_CMCLIST(ctree);
1913         gint prev_row = -1, row = -1, column = -1;
1914
1915         if (!event) return FALSE;
1916
1917         if (event->button == 1 || event->button == 2) {
1918                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1919                         folderview->open_folder = TRUE;
1920
1921                 if (event->type == GDK_2BUTTON_PRESS) {
1922                         if (clist->selection) {
1923                                 GtkCMCTreeNode *node;
1924
1925                                 node = GTK_CMCTREE_NODE(clist->selection->data);
1926                                 if (node) {
1927                                         gtk_cmctree_toggle_expansion(
1928                                                 GTK_CMCTREE(ctree),
1929                                                 node);
1930                                         folderview->open_folder = FALSE;
1931                                 }
1932                         }
1933                 }
1934                 return FALSE;
1935         }
1936
1937         if (event->button == 2 || event->button == 3) {
1938                 /* right clicked */
1939                 if (clist->selection) {
1940                         GtkCMCTreeNode *node;
1941
1942                         node = GTK_CMCTREE_NODE(clist->selection->data);
1943                         if (node)
1944                                 prev_row = gtkut_ctree_get_nth_from_node
1945                                         (GTK_CMCTREE(ctree), node);
1946                 }
1947
1948                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1949                                                   &row, &column))
1950                         return FALSE;
1951                 if (prev_row != row) {
1952                         gtk_cmclist_unselect_all(clist);
1953                         if (event->button == 2)
1954                                 folderview_select_node
1955                                         (folderview,
1956                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
1957                                                             row));
1958                         else
1959                                 gtk_cmclist_select_row(clist, row, column);
1960                 }
1961         }
1962
1963         if (event->button != 3) return FALSE;
1964
1965         folderview_set_sens_and_popup_menu(folderview, row, event);
1966         return FALSE;
1967 }
1968
1969 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1970                                            FolderView *folderview)
1971 {
1972         int row = -1, column = -1;
1973
1974         if (!event) return FALSE;
1975
1976         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
1977                                           &row, &column))
1978                 return FALSE;
1979         if (event->button == 1 && folderview->open_folder == FALSE &&
1980             folderview->opened != NULL) {
1981                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
1982                                           folderview->opened);
1983                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
1984         }
1985
1986         return FALSE;
1987 }
1988
1989 #define BREAK_ON_MODIFIER_KEY() \
1990         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1991
1992 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1993                                        FolderView *folderview)
1994 {
1995         if (!event) return FALSE;
1996
1997         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1998                 return FALSE;
1999
2000         switch (event->keyval) {
2001         case GDK_KEY_Right:
2002 #ifndef GENERIC_UMPC
2003         case GDK_KEY_Return:
2004         case GDK_KEY_KP_Enter:
2005 #endif
2006                 if (folderview->selected) {
2007                         folderview_select_node(folderview,
2008                                                folderview->selected);
2009                 }
2010                 break;
2011 #ifdef GENERIC_UMPC
2012         case GDK_KEY_Return:
2013                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2014                         gtk_cmctree_toggle_expansion(
2015                                 GTK_CMCTREE(folderview->ctree),
2016                                 folderview->selected);
2017                 }
2018                 break;
2019 #endif
2020         case GDK_KEY_space:
2021                 BREAK_ON_MODIFIER_KEY();
2022                 if (folderview->selected) {
2023                         if (folderview->opened == folderview->selected &&
2024                             (!folderview->summaryview->folder_item ||
2025                              folderview->summaryview->folder_item->total_msgs == 0))
2026                                 folderview_select_next_with_flag(folderview, MSG_UNREAD, TRUE);
2027                         else
2028                                 folderview_select_node(folderview,
2029                                                        folderview->selected);
2030                 }
2031                 break;
2032         default:
2033                 break;
2034         }
2035
2036         return FALSE;
2037 }
2038
2039 typedef struct _PostponedSelectData
2040 {
2041         GtkCMCTree *ctree;
2042         GtkCMCTreeNode *row;
2043         gint column;
2044         FolderView *folderview;
2045 } PostponedSelectData;
2046
2047 static gboolean postpone_select(void *data)
2048 {
2049         PostponedSelectData *psdata = (PostponedSelectData *)data;
2050         debug_print("trying again\n");
2051
2052         psdata->folderview->postpone_select_id = 0;
2053         psdata->folderview->open_folder = TRUE;
2054         main_window_cursor_normal(psdata->folderview->mainwin);
2055         STATUSBAR_POP(psdata->folderview->mainwin);
2056         folderview_selected(psdata->ctree, psdata->row,
2057                             psdata->column, psdata->folderview);
2058         g_free(psdata);
2059         return FALSE;
2060 }
2061
2062 void folderview_close_opened(FolderView *folderview)
2063 {
2064         if (folderview->opened) {
2065                 FolderItem *olditem;
2066
2067                 olditem = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2068                                                       folderview->opened);
2069                 if (olditem) {
2070                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2071                                 olditem->path ? olditem->path:olditem->name);
2072                         /* will be null if we just moved the previously opened folder */
2073                         STATUSBAR_PUSH(folderview->mainwin, buf);
2074                         main_window_cursor_wait(folderview->mainwin);
2075                         g_free(buf);
2076                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2077                         summary_show(folderview->summaryview, NULL);
2078                         folder_item_close(olditem);
2079                         main_window_cursor_normal(folderview->mainwin);
2080                         STATUSBAR_POP(folderview->mainwin);
2081                         if (olditem->folder->klass->item_closed)
2082                                 olditem->folder->klass->item_closed(olditem);
2083
2084                 }
2085         }
2086
2087         if (folderview->opened &&
2088             !GTK_CMCTREE_ROW(folderview->opened)->children)
2089                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2090
2091         folderview->opened = NULL;
2092 }
2093 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2094                                 gint column, FolderView *folderview)
2095 {
2096         static gboolean can_select = TRUE;      /* exclusive lock */
2097         gboolean opened;
2098         FolderItem *item;
2099         gchar *buf;
2100         int res = 0;
2101         GtkCMCTreeNode *old_opened = folderview->opened;
2102         START_TIMING("");
2103         folderview->selected = row;
2104
2105         debug_print("newly selected %p, opened %p\n", folderview->selected,
2106                         folderview->opened);
2107         if (folderview->opened == row) {
2108                 folderview->open_folder = FALSE;
2109                 END_TIMING();
2110                 return;
2111         }
2112
2113         item = gtk_cmctree_node_get_row_data(ctree, row);
2114         if (!item) {
2115                 END_TIMING();
2116                 folderview->open_folder = FALSE;
2117                 return;
2118         }
2119
2120         if (!can_select || summary_is_locked(folderview->summaryview)) {
2121                 if (folderview->opened) {
2122                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2123                         gtk_cmctree_select(ctree, folderview->opened);
2124                 }
2125                 folderview->open_folder = FALSE;
2126                 END_TIMING();
2127                 return;
2128         }
2129
2130         if (!folderview->open_folder) {
2131                 END_TIMING();
2132                 return;
2133         }
2134
2135         can_select = FALSE;
2136
2137         /* Save cache for old folder */
2138         /* We don't want to lose all caches if sylpheed crashed */
2139         /* resets folderview->opened to NULL */
2140         folderview_close_opened(folderview);
2141
2142         /* CLAWS: set compose button type: news folder items
2143          * always have a news folder as parent */
2144         if (item->folder)
2145                 toolbar_set_compose_button
2146                         (folderview->mainwin->toolbar,
2147                          FOLDER_TYPE(item->folder) == F_NEWS ?
2148                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2149
2150         if (item->path)
2151                 debug_print("Folder %s is selected\n", item->path);
2152
2153         if (!GTK_CMCTREE_ROW(row)->children)
2154                 gtk_cmctree_expand(ctree, row);
2155
2156         /* ungrab the mouse event */
2157         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2158                 gtk_grab_remove(GTK_WIDGET(ctree));
2159                 if (gdk_pointer_is_grabbed())
2160                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2161         }
2162
2163         /* Open Folder */
2164         /* TODO: wwp: avoid displaying (null) in the status bar */
2165         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2166                                         item->path : "(null)");
2167         debug_print("%s\n", buf);
2168         STATUSBAR_PUSH(folderview->mainwin, buf);
2169         g_free(buf);
2170
2171         main_window_cursor_wait(folderview->mainwin);
2172
2173         if (folderview->scanning_folder == item->folder) {
2174                 res = -2;
2175         } else {
2176                 res = folder_item_open(item);
2177         }
2178
2179         if (res == -1 && item->no_select == FALSE) {
2180                 main_window_cursor_normal(folderview->mainwin);
2181                 STATUSBAR_POP(folderview->mainwin);
2182
2183                 alertpanel_error(_("Folder could not be opened."));
2184
2185                 folderview->open_folder = FALSE;
2186                 can_select = TRUE;
2187                 END_TIMING();
2188                 return;
2189         } else if (res == -2 && item->no_select == FALSE) {
2190                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2191                 data->ctree = ctree;
2192                 data->row = row;
2193                 data->column = column;
2194                 data->folderview = folderview;
2195                 debug_print("postponing open of %s till end of scan\n",
2196                         item->path ? item->path:item->name);
2197                 folderview->open_folder = FALSE;
2198                 can_select = TRUE;
2199                 if (folderview->postpone_select_id != 0)
2200                         g_source_remove(folderview->postpone_select_id);
2201                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2202                 END_TIMING();
2203                 return;
2204         }
2205
2206         main_window_cursor_normal(folderview->mainwin);
2207
2208         /* Show messages */
2209         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2210         opened = summary_show(folderview->summaryview, item);
2211
2212         folder_clean_cache_memory(item);
2213
2214         if (!opened) {
2215                 gtkut_ctree_set_focus_row(ctree, old_opened);
2216                 gtk_cmctree_select(ctree, old_opened);
2217                 folderview->opened = old_opened;
2218         } else {
2219                 folderview->opened = row;
2220                 if (gtk_cmctree_node_is_visible(ctree, row)
2221                     != GTK_VISIBILITY_FULL)
2222                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2223         }
2224
2225         STATUSBAR_POP(folderview->mainwin);
2226
2227         folderview->open_folder = FALSE;
2228         can_select = TRUE;
2229         END_TIMING();
2230 }
2231
2232 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2233                                      FolderView *folderview)
2234 {
2235         FolderItem *item;
2236
2237         item = gtk_cmctree_node_get_row_data(ctree, node);
2238         cm_return_if_fail(item != NULL);
2239         item->collapsed = FALSE;
2240         folderview_update_node(folderview, node);
2241 }
2242
2243 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2244                                       FolderView *folderview)
2245 {
2246         FolderItem *item;
2247
2248         item = gtk_cmctree_node_get_row_data(ctree, node);
2249         cm_return_if_fail(item != NULL);
2250         item->collapsed = TRUE;
2251         folderview_update_node(folderview, node);
2252 }
2253
2254 static void folderview_popup_close(GtkMenuShell *menu_shell,
2255                                    FolderView *folderview)
2256 {
2257         if (!folderview->opened) return;
2258
2259         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2260 }
2261
2262 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2263                                    FolderView *folderview)
2264 {
2265         FolderColumnType type = folderview->col_state[column].type;
2266
2267         prefs_common.folder_col_size[type] = width;
2268 }
2269
2270 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2271 {
2272         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2273         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2274         GtkCMCTreeNode *node, *parent_node;
2275         gint *col_pos = folderview->col_pos;
2276         FolderItemUpdateData hookdata;
2277
2278         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2279         if (parent_node == NULL)
2280                 return;
2281
2282         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2283
2284         text[col_pos[F_COL_FOLDER]] = item->name;
2285         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2286                                      FOLDER_SPACING,
2287                                      folderxpm,
2288                                      folderopenxpm,
2289                                      FALSE, FALSE);
2290         gtk_cmctree_expand(ctree, parent_node);
2291         gtk_cmctree_node_set_row_data(ctree, node, item);
2292         if (normal_style)
2293                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2294         folderview_sort_folders(folderview, parent_node, item->folder);
2295
2296         hookdata.item = item;
2297         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2298         hookdata.msg = NULL;
2299         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2300
2301         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2302 }
2303
2304 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2305 {
2306         FolderView *folderview = (FolderView *)data;
2307         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2308         FolderItem *item;
2309         GSList *mlist = NULL;
2310         GSList *cur = NULL;
2311         FolderItem *special_trash = NULL;
2312         PrefsAccount *ac;
2313
2314         if (!folderview->selected) return;
2315         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2316         cm_return_if_fail(item != NULL);
2317         cm_return_if_fail(item->folder != NULL);
2318
2319         if (NULL != (ac = account_find_from_item(item)))
2320                 special_trash = account_get_special_folder(ac, F_TRASH);
2321
2322         if (item != item->folder->trash && item != special_trash
2323         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2324
2325         if (prefs_common.ask_on_clean) {
2326                 if (alertpanel(_("Empty trash"),
2327                                _("Delete all messages in trash?"),
2328                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2329                         return;
2330         }
2331
2332         mlist = folder_item_get_msg_list(item);
2333
2334         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2335                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2336                 if (MSG_IS_LOCKED(msginfo->flags))
2337                         continue;
2338                 /* is it partially received? (partial_recv isn't cached) */
2339                 if (msginfo->total_size != 0 &&
2340                     msginfo->size != (off_t)msginfo->total_size)
2341                         partial_mark_for_delete(msginfo);
2342         }
2343         procmsg_msg_list_free(mlist);
2344
2345         folder_item_remove_all_msg(item);
2346 }
2347
2348 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2349 {
2350         FolderView *folderview = (FolderView *)data;
2351         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2352         FolderItem *item;
2353         FolderItem *special_queue = NULL;
2354         PrefsAccount *ac;
2355         gchar *errstr = NULL;
2356
2357         if (!folderview->selected) return;
2358         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2359         cm_return_if_fail(item != NULL);
2360         cm_return_if_fail(item->folder != NULL);
2361
2362         if (NULL != (ac = account_find_from_item(item)))
2363                 special_queue = account_get_special_folder(ac, F_QUEUE);
2364
2365         if (item != item->folder->queue && item != special_queue
2366         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2367
2368         if (procmsg_queue_is_empty(item))
2369                 return;
2370
2371         if (prefs_common.work_offline)
2372                 if (alertpanel(_("Offline warning"),
2373                                _("You're working offline. Override?"),
2374                                GTK_STOCK_NO, GTK_STOCK_YES,
2375                                NULL) != G_ALERTALTERNATE)
2376                 return;
2377
2378         /* ask for confirmation before sending queued messages only
2379            in online mode and if there is at least one message queued
2380            in any of the folder queue
2381         */
2382         if (prefs_common.confirm_send_queued_messages) {
2383                 if (!prefs_common.work_offline) {
2384                         if (alertpanel(_("Send queued messages"),
2385                                    _("Send all queued messages?"),
2386                                    GTK_STOCK_CANCEL, _("_Send"),
2387                                    NULL) != G_ALERTALTERNATE)
2388                                 return;
2389                 }
2390         }
2391
2392         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2393                 if (!errstr)
2394                         alertpanel_error_log(_("Some errors occurred while "
2395                                            "sending queued messages."));
2396                 else {
2397                         alertpanel_error_log(_("Some errors occurred "
2398                                         "while sending queued messages:\n%s"), errstr);
2399                         g_free(errstr);
2400                 }
2401         }
2402 }
2403
2404 static void folderview_search_cb(GtkAction *action, gpointer data)
2405 {
2406         FolderView *folderview = (FolderView *)data;
2407         summary_search(folderview->summaryview);
2408 }
2409
2410 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2411 {
2412         FolderView *folderview = (FolderView *)data;
2413         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2414         FolderItem *item;
2415
2416         if (!folderview->selected) return;
2417
2418         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2419         cm_return_if_fail(item != NULL);
2420         cm_return_if_fail(item->folder != NULL);
2421
2422         item->processing_pending = TRUE;
2423         folder_item_apply_processing(item);
2424         item->processing_pending = FALSE;
2425 }
2426
2427 static void folderview_property_cb(GtkAction *action, gpointer data)
2428 {
2429         FolderView *folderview = (FolderView *)data;
2430         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2431         FolderItem *item;
2432
2433         if (!folderview->selected) return;
2434
2435         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2436         cm_return_if_fail(item != NULL);
2437         cm_return_if_fail(item->folder != NULL);
2438
2439         prefs_folder_item_open(item);
2440 }
2441
2442 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2443 {
2444         GSList *list = NULL;
2445         GSList *done = NULL;
2446         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2447
2448         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2449                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2450                 &&  list->data != node) {
2451                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2452                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2453                 }
2454         }
2455         for (list = done; list != NULL; list = g_slist_next(list)) {
2456                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2457                                                                  list->data);
2458         }
2459         g_slist_free(done);
2460 }
2461
2462 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2463                             FolderItem *to_folder, gboolean copy)
2464 {
2465         FolderItem *new_folder = NULL;
2466         gchar *buf;
2467         gint status;
2468
2469         cm_return_if_fail(folderview != NULL);
2470         cm_return_if_fail(from_folder != NULL);
2471         cm_return_if_fail(to_folder != NULL);
2472
2473         if (prefs_common.warn_dnd) {
2474                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2475                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2476                                         from_folder->name, to_folder->name);
2477                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2478                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2479                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2480                 g_free(buf);
2481
2482                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2483                         return;
2484                 else if (status & G_ALERTDISABLE)
2485                         prefs_common.warn_dnd = FALSE;
2486         }
2487
2488         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2489                                 from_folder->name, to_folder->name);
2490         STATUSBAR_PUSH(folderview->mainwin, buf);
2491         g_free(buf);
2492         summary_clear_all(folderview->summaryview);
2493         folderview->opened = NULL;
2494         folderview->selected = NULL;
2495         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2496         inc_lock();
2497         main_window_cursor_wait(folderview->mainwin);
2498
2499         statusbar_verbosity_set(FALSE);
2500         folder_item_update_freeze();
2501         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2502         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2503                 statusbar_verbosity_set(FALSE);
2504                 main_window_cursor_normal(folderview->mainwin);
2505                 STATUSBAR_POP(folderview->mainwin);
2506                 folder_item_update_thaw();
2507                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2508
2509                 folderview_sort_folders(folderview,
2510                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2511                                 NULL, to_folder), new_folder->folder);
2512                 folderview_select(folderview, new_folder);
2513                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2514         } else {
2515                 statusbar_verbosity_set(FALSE);
2516                 main_window_cursor_normal(folderview->mainwin);
2517                 STATUSBAR_POP(folderview->mainwin);
2518                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2519                 folder_item_update_thaw();
2520                 switch (status) {
2521                 case F_MOVE_FAILED_DEST_IS_PARENT:
2522                         alertpanel_error(_("Source and destination are the same."));
2523                         break;
2524                 case F_MOVE_FAILED_DEST_IS_CHILD:
2525                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2526                                                 _("Can't move a folder to one of its children."));
2527                         break;
2528                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2529                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2530                         break;
2531                 default:
2532                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2533                         break;
2534                 }
2535         }
2536         inc_unlock();
2537         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2538 }
2539
2540 static gint folderview_clist_compare(GtkCMCList *clist,
2541                                      gconstpointer ptr1, gconstpointer ptr2)
2542 {
2543         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2544         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2545
2546         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2547         {
2548                 return item1->order - item2->order;
2549         }
2550
2551         // if only one folder has an order it comes first
2552         if (item1->order > 0)
2553         {
2554                 return -1;
2555         }
2556         if (item2->order > 0)
2557         {
2558                 return 1;
2559         }
2560
2561         if (!item1->name)
2562                 return (item2->name != NULL);
2563         if (!item2->name)
2564                 return -1;
2565
2566         return g_utf8_collate(item1->name, item2->name);
2567 }
2568
2569 static void folderview_processing_cb(GtkAction *action, gpointer data)
2570 {
2571         FolderView *folderview = (FolderView *)data;
2572         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2573         FolderItem *item;
2574         gchar *id, *title;
2575
2576         if (!folderview->selected) return;
2577
2578         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2579         cm_return_if_fail(item != NULL);
2580         cm_return_if_fail(item->folder != NULL);
2581
2582         id = folder_item_get_identifier(item);
2583         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2584         g_free (id);
2585
2586         prefs_filtering_open(&item->prefs->processing, title,
2587                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2588         g_free (title);
2589 }
2590
2591 void folderview_set_target_folder_color(gint color_op)
2592 {
2593         gint firstone = 1;
2594         GList *list;
2595         FolderView *folderview;
2596
2597         for (list = folderview_list; list != NULL; list = list->next) {
2598                 folderview = (FolderView *)list->data;
2599                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2600                 if (firstone) {
2601                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2602                                 folderview->color_op;
2603                         firstone = 0;
2604                 }
2605         }
2606 }
2607
2608 static gchar *last_smallfont = NULL;
2609 static gchar *last_normalfont = NULL;
2610 static gchar *last_boldfont = NULL;
2611 static gboolean last_derive = 0;
2612
2613 void folderview_reinit_fonts(FolderView *folderview)
2614 {
2615         /* force reinit */
2616         g_free(last_smallfont);
2617         last_smallfont = NULL;
2618         g_free(last_normalfont);
2619         last_normalfont = NULL;
2620         g_free(last_boldfont);
2621         last_boldfont = NULL;
2622 }
2623
2624 void folderview_reflect_prefs(void)
2625 {
2626         gboolean update_font = FALSE;
2627         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2628         FolderItem *item = folderview_get_selected_item(folderview);
2629         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2630                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2631         gint height = gtk_adjustment_get_value(pos);
2632
2633         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2634                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2635                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2636                         last_derive != prefs_common.derive_from_normal_font)
2637                 update_font = TRUE;
2638
2639         g_free(last_smallfont);
2640         last_smallfont = g_strdup(SMALL_FONT);
2641         g_free(last_normalfont);
2642         last_normalfont = g_strdup(NORMAL_FONT);
2643         g_free(last_boldfont);
2644         last_boldfont = g_strdup(BOLD_FONT);
2645         last_derive = prefs_common.derive_from_normal_font;
2646
2647         if (update_font) {
2648                 normal_style = normal_color_style = bold_style =
2649                         bold_color_style = bold_tgtfold_style = NULL;
2650
2651                 folderview_init(folderview);
2652         }
2653         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2654         folderview_column_set_titles(folderview);
2655         folderview_set_all();
2656
2657         g_signal_handlers_block_by_func
2658                 (G_OBJECT(folderview->ctree),
2659                  G_CALLBACK(folderview_selected), folderview);
2660
2661         if (item) {
2662                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2663                         GTK_CMCTREE(folderview->ctree), NULL, item);
2664
2665                 folderview_select(folderview, item);
2666                 folderview->open_folder = FALSE;
2667                 folderview->selected = node;
2668         }
2669
2670         g_signal_handlers_unblock_by_func
2671                 (G_OBJECT(folderview->ctree),
2672                  G_CALLBACK(folderview_selected), folderview);
2673
2674         pos = gtk_scrolled_window_get_vadjustment(
2675                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2676         gtk_adjustment_set_value(pos, height);
2677         gtk_adjustment_changed(pos);
2678         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2679 }
2680
2681 static void drag_state_stop(FolderView *folderview)
2682 {
2683         if (folderview->drag_timer_id)
2684                 g_source_remove(folderview->drag_timer_id);
2685         folderview->drag_timer_id = 0;
2686         folderview->drag_node = NULL;
2687 }
2688
2689 static gboolean folderview_defer_expand(FolderView *folderview)
2690 {
2691         if (folderview->drag_node) {
2692                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2693                 if (folderview->drag_item->collapsed) {
2694                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2695                         folderview->nodes_to_recollapse = g_slist_append
2696                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2697                 }
2698         }
2699         folderview->drag_item  = NULL;
2700         folderview->drag_timer_id = 0;
2701         return FALSE;
2702 }
2703
2704 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2705 {
2706         /* the idea is that we call drag_state_start() whenever we want expansion to
2707          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2708          * we need to call drag_state_stop() */
2709         drag_state_stop(folderview);
2710         /* request expansion */
2711         if (0 != (folderview->drag_timer_id = g_timeout_add
2712                         (prefs_common.hover_timeout,
2713                          (GSourceFunc)folderview_defer_expand,
2714                          folderview))) {
2715                 folderview->drag_node = node;
2716                 folderview->drag_item = item;
2717         }
2718 }
2719 #ifndef GENERIC_UMPC
2720 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2721                                   FolderView       *folderview)
2722 {
2723         GdkDragContext *context;
2724
2725         cm_return_if_fail(folderview != NULL);
2726         if (folderview->selected == NULL) return;
2727         if (folderview->nodes_to_recollapse)
2728                 g_slist_free(folderview->nodes_to_recollapse);
2729         folderview->nodes_to_recollapse = NULL;
2730         context = gtk_drag_begin(widget, folderview->target_list,
2731                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2732         gtk_drag_set_icon_default(context);
2733 }
2734 #endif
2735 static void folderview_drag_data_get(GtkWidget        *widget,
2736                                      GdkDragContext   *drag_context,
2737                                      GtkSelectionData *selection_data,
2738                                      guint             info,
2739                                      guint             time,
2740                                      FolderView       *folderview)
2741 {
2742         FolderItem *item;
2743         GList *sel;
2744         gchar *source = NULL;
2745         if (info == TARGET_DUMMY) {
2746                 sel = GTK_CMCLIST(folderview->ctree)->selection;
2747                 if (!sel)
2748                         return;
2749
2750                 item = gtk_cmctree_node_get_row_data
2751                         (GTK_CMCTREE(folderview->ctree),
2752                          GTK_CMCTREE_NODE(sel->data));
2753                 if (item) {
2754                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2755                         gtk_selection_data_set(selection_data,
2756                                                gtk_selection_data_get_target(selection_data), 8,
2757                                                source, strlen(source));
2758                 }
2759         } else {
2760                 g_warning("unknown info %d\n", info);
2761         }
2762 }
2763
2764 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2765 {
2766         FolderUpdateData *hookdata;
2767         FolderView *folderview;
2768         GtkWidget *ctree;
2769
2770         hookdata = source;
2771         folderview = (FolderView *) userdata;
2772         cm_return_val_if_fail(hookdata != NULL, FALSE);
2773         cm_return_val_if_fail(folderview != NULL, FALSE);
2774
2775         ctree = folderview->ctree;
2776         cm_return_val_if_fail(ctree != NULL, FALSE);
2777
2778         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2779                 folderview_create_folder_node(folderview, hookdata->item);
2780         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2781                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2782                                 NULL, folder_item_parent(hookdata->item));
2783                 folderview_sort_folders(folderview, node, hookdata->folder);
2784         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2785                 GtkCMCTreeNode *node;
2786
2787                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2788                 if (node != NULL) {
2789                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2790                         if (folderview->selected == node)
2791                                 folderview->selected = NULL;
2792                         if (folderview->opened == node)
2793                                 folderview->opened = NULL;
2794                 }
2795         } else if (hookdata->update_flags & FOLDER_MOVE_FOLDERITEM) {
2796                 /* do nothing, it's done by the ADD and REMOVE) */
2797         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2798                 folderview_set(folderview);
2799
2800         return FALSE;
2801 }
2802
2803 static gboolean folderview_dnd_scroll_cb(gpointer data)
2804 {
2805         FolderView *folderview = (FolderView *)data;
2806         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2807                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2808         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2809         gint max = (int)gtk_adjustment_get_upper(pos) -
2810                (int)gtk_adjustment_get_page_size(pos);
2811
2812         if (folderview->scroll_value == 0) {
2813                 folderview->scroll_timeout_id = 0;
2814                 return FALSE;
2815         }
2816
2817         if (folderview->scroll_value > 0 && new_val > max) {
2818                 new_val = max;
2819         } else if (folderview->scroll_value < 0 && new_val < 0) {
2820                 new_val = 0;
2821         }
2822         gtk_adjustment_set_value(pos, new_val);
2823
2824         return TRUE;
2825 }
2826
2827 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2828                                           GdkDragContext *context,
2829                                           gint            x,
2830                                           gint            y,
2831                                           guint           time,
2832                                           FolderView     *folderview)
2833 {
2834         gint row, column;
2835         FolderItem *item = NULL, *src_item = NULL;
2836         GtkCMCTreeNode *node = NULL;
2837         gboolean acceptable = FALSE;
2838         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2839                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2840         int height = (int)gtk_adjustment_get_page_size(pos);
2841         int total_height = (int)gtk_adjustment_get_upper(pos);
2842         int vpos = (int)gtk_adjustment_get_value(pos);
2843         int offset = prefs_common.show_col_headers ? 24:0;
2844         int dist;
2845
2846         if (gtk_cmclist_get_selection_info
2847                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
2848                 GtkWidget *srcwidget;
2849
2850                 if (y > height - (48 - offset) && height + vpos < total_height) {
2851                         dist = -(height - (48 - offset) - y);
2852                         folderview->scroll_value = 1.41f * (1+(dist / 6));
2853                 } else if (y < 72 - (24 - offset) && y >= 0) {
2854                         dist = 72 - (24 - offset) - y;
2855                         folderview->scroll_value = -1.41f * (1+(dist / 6));
2856                 } else {
2857                         folderview->scroll_value = 0;
2858                 }
2859                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
2860                         folderview->scroll_timeout_id =
2861                                 g_timeout_add(30, folderview_dnd_scroll_cb,
2862                                               folderview);
2863                 }
2864
2865                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2866                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2867                 src_item = folderview->summaryview->folder_item;
2868
2869                 srcwidget = gtk_drag_get_source_widget(context);
2870                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2871                         /* comes from summaryview */
2872                         /* we are copying messages, so only accept folder items that are not
2873                            the source item, are no root items and can copy messages */
2874                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2875                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2876                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2877                                 acceptable = TRUE;
2878                 } else if (srcwidget == folderview->ctree) {
2879                         /* comes from folderview */
2880                         /* we are moving folder items, only accept folders that are not
2881                            the source items and can copy messages and create folder items */
2882                         if (item && item->folder && src_item && src_item != item &&
2883                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2884                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2885                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2886                              || item->folder == src_item->folder))
2887                                 acceptable = TRUE;
2888                 } else {
2889                         /* comes from another app */
2890                         /* we are adding messages, so only accept folder items that are
2891                            no root items and can copy messages */
2892                         if (item && item->folder && folder_item_parent(item) != NULL
2893                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2894                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2895                                 acceptable = TRUE;
2896                 }
2897         }
2898
2899         if (acceptable || (src_item && src_item == item))
2900                 drag_state_start(folderview, node, item);
2901
2902         if (acceptable) {
2903                 g_signal_handlers_block_by_func
2904                         (G_OBJECT(widget),
2905                          G_CALLBACK(folderview_selected), folderview);
2906                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
2907                 g_signal_handlers_unblock_by_func
2908                         (G_OBJECT(widget),
2909                          G_CALLBACK(folderview_selected), folderview);
2910                 gdk_drag_status(context,
2911                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
2912                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2913         } else {
2914                 if (folderview->opened)
2915                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2916                 gdk_drag_status(context, 0, time);
2917         }
2918
2919         return acceptable;
2920 }
2921
2922 static void folderview_drag_leave_cb(GtkWidget      *widget,
2923                                      GdkDragContext *context,
2924                                      guint           time,
2925                                      FolderView     *folderview)
2926 {
2927         drag_state_stop(folderview);
2928         folderview->scroll_value = 0;
2929         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2930 }
2931
2932 static void free_info (gpointer stuff, gpointer data)
2933 {
2934         g_free(stuff);
2935 }
2936
2937 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2938                            guint time, FolderItem *item)
2939 {
2940         GList *list, *tmp;
2941         GSList *msglist = NULL;
2942         list = uri_list_extract_filenames(data);
2943         if (!(item && item->folder && folder_item_parent(item) != NULL
2944                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2945         {
2946                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2947                 debug_print("item doesn't fit\n");
2948                 return;
2949         }
2950         if (!list) {
2951                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2952                 debug_print("list is empty\n");
2953                 return;
2954         }
2955         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2956                 MsgFileInfo *info = NULL;
2957
2958                 if (file_is_email((gchar *)tmp->data)) {
2959                         info = g_new0(MsgFileInfo, 1);
2960                         info->msginfo = NULL;
2961                         info->file = (gchar *)tmp->data;
2962                         msglist = g_slist_prepend(msglist, info);
2963                         debug_print("file is a mail\n");
2964                 } else {
2965                         debug_print("file isn't a mail\n");
2966                 }
2967         }
2968         if (msglist) {
2969                 msglist = g_slist_reverse(msglist);
2970                 folder_item_add_msgs(item, msglist, FALSE);
2971                 g_slist_foreach(msglist, free_info, NULL);
2972                 g_slist_free(msglist);
2973                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2974         } else {
2975                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2976         }
2977         list_free_strings(list);
2978         g_list_free(list);
2979 }
2980
2981 static void folderview_drag_received_cb(GtkWidget        *widget,
2982                                         GdkDragContext   *drag_context,
2983                                         gint              x,
2984                                         gint              y,
2985                                         GtkSelectionData *data,
2986                                         guint             info,
2987                                         guint             time,
2988                                         FolderView       *folderview)
2989 {
2990         gint row, column;
2991         FolderItem *item = NULL, *src_item;
2992         GtkCMCTreeNode *node;
2993         int offset = prefs_common.show_col_headers ? 24:0;
2994
2995         folderview->scroll_value = 0;
2996
2997         if (info == TARGET_DUMMY) {
2998                 drag_state_stop(folderview);
2999                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
3000                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
3001                         /* comes from summaryview */
3002                         if (gtk_cmclist_get_selection_info
3003                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3004                                 return;
3005
3006                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3007                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3008                         src_item = folderview->summaryview->folder_item;
3009
3010                         if (item->no_select) {
3011                                 alertpanel_error(_("The destination folder can only be used to "
3012                                                    "store subfolders."));
3013                                 return;
3014                         }
3015                         /* re-check (due to acceptable possibly set for folder moves */
3016                         if (!(item && item->folder && item->path && !item->no_select &&
3017                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3018                                 return;
3019                         }
3020                         if (item && src_item) {
3021                                 switch (gdk_drag_context_get_selected_action(drag_context)) {
3022                                 case GDK_ACTION_COPY:
3023                                         summary_copy_selected_to(folderview->summaryview, item);
3024                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3025                                         break;
3026                                 case GDK_ACTION_MOVE:
3027                                 case GDK_ACTION_DEFAULT:
3028                                 default:
3029                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3030                                                 summary_copy_selected_to(folderview->summaryview, item);
3031                                         else
3032                                                 summary_move_selected_to(folderview->summaryview, item);
3033                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3034                                 }
3035                         } else
3036                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3037                 } else {
3038                         /* comes from folderview */
3039                         char *source;
3040                         gboolean folder_is_normal = TRUE;
3041                         gboolean copy = (GDK_ACTION_COPY ==
3042                                 gdk_drag_context_get_selected_action(drag_context));
3043
3044                         source = (char *)gtk_selection_data_get_data(data) + 17;
3045                         if (gtk_cmclist_get_selection_info
3046                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3047                             || *source == 0) {
3048                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3049                                 return;
3050                         }
3051                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3052                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3053                         src_item = folder_find_item_from_identifier(source);
3054
3055                         folder_is_normal =
3056                                 src_item != NULL &&
3057                                 src_item->stype == F_NORMAL &&
3058                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3059                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3060                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3061                                 !folder_has_parent_of_type(src_item, F_TRASH);
3062                         if (!item || !src_item || !folder_is_normal) {
3063                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3064                                 return;
3065                         }
3066
3067                         folderview_move_folder(folderview, src_item, item, copy);
3068                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3069                 }
3070                 folderview->nodes_to_recollapse = NULL;
3071         } else if (info == TARGET_MAIL_URI_LIST) {
3072                 if (gtk_cmclist_get_selection_info
3073                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3074                         return;
3075
3076                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3077                 if (!node) {
3078                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3079                         debug_print("no node\n");
3080                         return;
3081                 }
3082                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3083                 if (!item) {
3084                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3085                         debug_print("no item\n");
3086                         return;
3087                 }
3088                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3089                         drag_context, time, item);
3090         }
3091 }
3092
3093 static void folderview_drag_end_cb(GtkWidget        *widget,
3094                                    GdkDragContext   *drag_context,
3095                                    FolderView       *folderview)
3096 {
3097         drag_state_stop(folderview);
3098         folderview->scroll_value = 0;
3099         g_slist_free(folderview->nodes_to_recollapse);
3100         folderview->nodes_to_recollapse = NULL;
3101 }
3102
3103 void folderview_register_popup(FolderViewPopup *fpopup)
3104 {
3105         GList *folderviews;
3106
3107         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3108                 FolderView *folderview = folderviews->data;
3109                 GtkActionGroup *factory;
3110
3111                 factory = create_action_group(folderview, fpopup);
3112                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3113         }
3114         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3115 }
3116
3117 void folderview_unregister_popup(FolderViewPopup *fpopup)
3118 {
3119         GList *folderviews;
3120
3121
3122         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3123                 FolderView *folderview = folderviews->data;
3124
3125                 g_hash_table_remove(folderview->popups, fpopup->klass);
3126         }
3127         g_hash_table_remove(folderview_popups, fpopup->klass);
3128 }