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