src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtk.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "main.h"
  31 #include "mainwindow.h"
  32 #include "folderview.h"
  33 #include "summaryview.h"
  34 #include "summary_search.h"
  35 #include "inputdialog.h"
  36 #include "manage_window.h"
  37 #include "alertpanel.h"
  38 #include "menu.h"
  39 #include "stock_pixmap.h"
  40 #include "procmsg.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "prefs_filtering.h"
  46 #include "prefs_folder_item.h"
  47 #include "account.h"
  48 #include "folder.h"
  49 #include "foldersel.h"
  50 #include "inc.h"
  51 #include "statusbar.h"
  52 #include "hooks.h"
  53 #include "folderutils.h"
  54 #include "partial_download.h"
  55 #include "prefs_folder_column.h"
  56 #include "filtering.h"
  57 #include "quicksearch.h"
  58 #include "manual.h"
  59 #include "timing.h"
  60 #include "log.h"
  61
  62 #define COL_FOLDER_WIDTH        150
  63 #define COL_NUM_WIDTH           32
  64
  65 static GList *folderview_list = NULL;
  66
  67 static GtkStyle *normal_style;
  68 static GtkStyle *normal_color_style;
  69 static GtkStyle *bold_style;
  70 static GtkStyle *bold_color_style;
  71 static GtkStyle *bold_tgtfold_style;
  72
  73 static GdkPixbuf *inboxxpm;
  74 static GdkPixbuf *inboxhrmxpm;
  75 static GdkPixbuf *inboxopenxpm;
  76 static GdkPixbuf *inboxopenhrmxpm;
  77 static GdkPixbuf *outboxxpm;
  78 static GdkPixbuf *outboxhrmxpm;
  79 static GdkPixbuf *outboxopenxpm;
  80 static GdkPixbuf *outboxopenhrmxpm;
  81 static GdkPixbuf *folderxpm;
  82 static GdkPixbuf *folderhrmxpm;
  83 static GdkPixbuf *folderopenxpm;
  84 static GdkPixbuf *folderopenhrmxpm;
  85 static GdkPixbuf *trashopenxpm;
  86 static GdkPixbuf *trashopenhrmxpm;
  87 static GdkPixbuf *trashxpm;
  88 static GdkPixbuf *trashhrmxpm;
  89 static GdkPixbuf *queuexpm;
  90 static GdkPixbuf *queuehrmxpm;
  91 static GdkPixbuf *queueopenxpm;
  92 static GdkPixbuf *queueopenhrmxpm;
  93 static GdkPixbuf *draftsxpm;
  94 static GdkPixbuf *draftsopenxpm;
  95 static GdkPixbuf *noselectxpm;
  96
  97 static GdkPixbuf *m_inboxxpm;
  98 static GdkPixbuf *m_inboxhrmxpm;
  99 static GdkPixbuf *m_inboxopenxpm;
 100 static GdkPixbuf *m_inboxopenhrmxpm;
 101 static GdkPixbuf *m_outboxxpm;
 102 static GdkPixbuf *m_outboxhrmxpm;
 103 static GdkPixbuf *m_outboxopenxpm;
 104 static GdkPixbuf *m_outboxopenhrmxpm;
 105 static GdkPixbuf *m_folderxpm;
 106 static GdkPixbuf *m_folderhrmxpm;
 107 static GdkPixbuf *m_folderopenxpm;
 108 static GdkPixbuf *m_folderopenhrmxpm;
 109 static GdkPixbuf *m_trashopenxpm;
 110 static GdkPixbuf *m_trashopenhrmxpm;
 111 static GdkPixbuf *m_trashxpm;
 112 static GdkPixbuf *m_trashhrmxpm;
 113 static GdkPixbuf *m_queuexpm;
 114 static GdkPixbuf *m_queuehrmxpm;
 115 static GdkPixbuf *m_queueopenxpm;
 116 static GdkPixbuf *m_queueopenhrmxpm;
 117 static GdkPixbuf *m_draftsxpm;
 118 static GdkPixbuf *m_draftsopenxpm;
 119
 120 static GdkPixbuf *newxpm;
 121 static GdkPixbuf *unreadxpm;
 122 static GdkPixbuf *readxpm;
 123
 124 static void folderview_select_node       (FolderView    *folderview,
 125                                           GtkCMCTreeNode        *node);
 126 static void folderview_set_folders       (FolderView    *folderview);
 127 static void folderview_sort_folders      (FolderView    *folderview,
 128                                           GtkCMCTreeNode        *root,
 129                                           Folder        *folder);
 130 static void folderview_append_folder     (FolderView    *folderview,
 131                                           Folder        *folder);
 132 static void folderview_update_node       (FolderView    *folderview,
 133                                           GtkCMCTreeNode        *node);
 134
 135 static gint folderview_clist_compare    (GtkCMCList     *clist,
 136                                          gconstpointer   ptr1,
 137                                          gconstpointer   ptr2);
 138
 139 /* callback functions */
 140 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 141                                                  GdkEventButton *event,
 142                                                  FolderView     *folderview);
 143 static gboolean folderview_button_released      (GtkWidget      *ctree,
 144                                                  GdkEventButton *event,
 145                                                  FolderView     *folderview);
 146 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 147                                          GdkEventKey    *event,
 148                                          FolderView     *folderview);
 149 static void folderview_selected         (GtkCMCTree     *ctree,
 150                                          GtkCMCTreeNode *row,
 151                                          gint            column,
 152                                          FolderView     *folderview);
 153 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 154                                          GtkCMCTreeNode *node,
 155                                          FolderView     *folderview);
 156 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 157                                          GtkCMCTreeNode *node,
 158                                          FolderView     *folderview);
 159 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 160                                          FolderView     *folderview);
 161 static void folderview_col_resized      (GtkCMCList     *clist,
 162                                          gint            column,
 163                                          gint            width,
 164                                          FolderView     *folderview);
 165
 166 static void mark_all_read_handler       (GtkAction      *action,
 167                                          gpointer        data,
 168                                          gboolean        recursive);
 169
 170 static void mark_all_read_cb            (GtkAction      *action,
 171                                          gpointer        data);
 172 static void mark_all_read_recursive_cb  (GtkAction      *action,
 173                                          gpointer        data);
 174
 175 static void folderview_empty_trash_cb   (GtkAction      *action,
 176                                          gpointer        data);
 177
 178 static void folderview_send_queue_cb    (GtkAction      *action,
 179                                          gpointer        data);
 180
 181 static void folderview_search_cb        (GtkAction      *action,
 182                                          gpointer        data);
 183 static void folderview_run_processing_cb(GtkAction      *action,
 184                                          gpointer        data);
 185
 186 static void folderview_property_cb      (GtkAction      *action,
 187                                          gpointer        data);
 188
 189 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 190                                           GdkDragContext *context,
 191                                           gint            x,
 192                                           gint            y,
 193                                           guint           time,
 194                                           FolderView     *folderview);
 195 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 196                                           GdkDragContext   *context,
 197                                           guint             time,
 198                                           FolderView       *folderview);
 199 static void folderview_drag_received_cb  (GtkWidget        *widget,
 200                                           GdkDragContext   *drag_context,
 201                                           gint              x,
 202                                           gint              y,
 203                                           GtkSelectionData *data,
 204                                           guint             info,
 205                                           guint             time,
 206                                           FolderView       *folderview);
 207 #ifndef GENERIC_UMPC
 208 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 209                                           FolderView       *folderview);
 210 #endif
 211 static void folderview_drag_data_get     (GtkWidget        *widget,
 212                                           GdkDragContext   *drag_context,
 213                                           GtkSelectionData *selection_data,
 214                                           guint             info,
 215                                           guint             time,
 216                                           FolderView       *folderview);
 217 static void folderview_drag_end_cb       (GtkWidget        *widget,
 218                                           GdkDragContext   *drag_context,
 219                                           FolderView       *folderview);
 220
 221 static void folderview_create_folder_node       (FolderView       *folderview,
 222                                           FolderItem       *item);
 223 static gboolean folderview_update_folder         (gpointer          source,
 224                                           gpointer          userdata);
 225 static gboolean folderview_update_item_claws     (gpointer          source,
 226                                           gpointer          data);
 227 static void folderview_processing_cb(GtkAction *action, gpointer data);
 228 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 229                                 GdkEventButton *event);
 230
 231 GHashTable *folderview_popups;
 232
 233 static GtkActionEntry folderview_common_popup_entries[] =
 234 {
 235         {"FolderViewPopup",                     NULL, "FolderViewPopup" },
 236         {"FolderViewPopup/MarkAllRead",         NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 237         {"FolderViewPopup/MarkAllReadRec",      NULL, N_("Mark all read recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_read_recursive_cb) },
 238         {"FolderViewPopup/---",                 NULL, "---" },
 239         {"FolderViewPopup/RunProcessing",       NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 240         {"FolderViewPopup/SearchFolder",        NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 241         {"FolderViewPopup/Properties",          NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 242         {"FolderViewPopup/Processing",          NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 243         {"FolderViewPopup/EmptyTrash",          NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 244         {"FolderViewPopup/SendQueue",           NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 245
 246 };
 247
 248 GtkTargetEntry folderview_drag_types[] =
 249 {
 250         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 251         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 252 };
 253
 254 void folderview_initialize(void)
 255 {
 256         FolderViewPopup *fpopup;
 257
 258         fpopup = g_new0(FolderViewPopup, 1);
 259
 260         fpopup->klass = "common";
 261         fpopup->path = "<CommonFolder>";
 262         fpopup->entries = folderview_common_popup_entries;
 263         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 264         fpopup->set_sensitivity = NULL;
 265
 266         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 267         g_hash_table_insert(folderview_popups, "common", fpopup);
 268 }
 269
 270 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 271 {
 272         FolderViewPopup *fpopup_common;
 273         GtkActionGroup *action_group;
 274
 275         action_group = cm_menu_create_action_group(
 276                                 fpopup->path,
 277                                 fpopup->entries, fpopup->n_entries,
 278                                 (gpointer)folderview);
 279
 280         if (fpopup->toggle_entries)
 281                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 282                                 fpopup->n_toggle_entries,
 283                                 (gpointer)folderview);
 284         if (fpopup->radio_entries)
 285                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 286                                 fpopup->n_radio_entries, fpopup->radio_default,
 287                                 G_CALLBACK(fpopup->radio_callback),
 288                                 (gpointer)folderview);
 289
 290         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 291         if (fpopup_common != fpopup) {
 292                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 293                                 fpopup_common->n_entries,
 294                                 (gpointer)folderview);
 295                 if (fpopup_common->toggle_entries)
 296                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 297                                         fpopup_common->n_toggle_entries,
 298                                         (gpointer)folderview);
 299                 if (fpopup_common->radio_entries)
 300                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 301                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 302                                         G_CALLBACK(fpopup_common->radio_callback),
 303                                         (gpointer)folderview);
 304         }
 305
 306         return action_group;
 307 }
 308
 309 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 310 {
 311         FolderView *folderview = data;
 312         FolderViewPopup *fpopup = value;
 313         GtkActionGroup *group;
 314
 315         group = create_action_group(folderview, fpopup);
 316         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 317 }
 318
 319 static void folderview_column_set_titles(FolderView *folderview)
 320 {
 321         GtkWidget *ctree = folderview->ctree;
 322         GtkWidget *label_folder;
 323         GtkWidget *label_new;
 324         GtkWidget *label_unread;
 325         GtkWidget *label_total;
 326         GtkWidget *hbox_folder;
 327         GtkWidget *hbox_new;
 328         GtkWidget *hbox_unread;
 329         GtkWidget *hbox_total;
 330         gint *col_pos = folderview->col_pos;
 331
 332         debug_print("setting titles...\n");
 333         gtk_widget_realize(folderview->ctree);
 334         gtk_widget_show_all(folderview->scrolledwin);
 335
 336         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 337          * instead text (text overflows making them unreadable and ugly) */
 338         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_NEW,
 339                          &newxpm);
 340         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_UNREAD,
 341                          &unreadxpm);
 342         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_READ,
 343                          &readxpm);
 344
 345         label_folder = gtk_label_new(_("Folder"));
 346         label_new = gtk_image_new_from_pixbuf(newxpm);
 347         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 348         label_total = gtk_image_new_from_pixbuf(readxpm);
 349
 350         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 351
 352         hbox_folder = gtk_hbox_new(FALSE, 4);
 353         hbox_new = gtk_hbox_new(FALSE, 4);
 354         hbox_unread = gtk_hbox_new(FALSE, 4);
 355         hbox_total = gtk_hbox_new(FALSE, 4);
 356
 357         /* left justified */
 358         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 359         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 360         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 361         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 362         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 363         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 364         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 365         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 366
 367         gtk_widget_show_all(hbox_folder);
 368         gtk_widget_show_all(hbox_new);
 369         gtk_widget_show_all(hbox_unread);
 370         gtk_widget_show_all(hbox_total);
 371
 372 #ifdef GENERIC_UMPC
 373         gtk_widget_set_size_request(hbox_new, -1, 20);
 374         gtk_widget_set_size_request(hbox_unread, -1, 20);
 375         gtk_widget_set_size_request(hbox_total, -1, 20);
 376 #endif
 377
 378         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 379         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 380         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 381         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 382
 383 #ifdef GENERIC_UMPC
 384         GTK_EVENTS_FLUSH();
 385 #endif
 386
 387         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 388         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 389         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 390 }
 391
 392 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 393 {
 394         FolderView *folderview = (FolderView *)data;
 395         GdkEventButton event;
 396         if (folderview_get_selected_item(folderview) == NULL)
 397                 return FALSE;
 398
 399         event.button = 3;
 400         event.time = gtk_get_current_event_time();
 401
 402         folderview_set_sens_and_popup_menu(folderview, -1,
 403                                 &event);
 404
 405         return TRUE;
 406 }
 407
 408
 409 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 410 {
 411         GtkWidget *ctree;
 412         gint *col_pos;
 413         FolderColumnState *col_state;
 414         FolderColumnType type;
 415         gchar *titles[N_FOLDER_COLS];
 416         gint i;
 417         GtkWidget *scrolledwin = folderview->scrolledwin;
 418
 419         debug_print("creating tree...\n");
 420         memset(titles, 0, sizeof(titles));
 421
 422         col_state = prefs_folder_column_get_config();
 423         memset(titles, 0, sizeof(titles));
 424
 425         col_pos = folderview->col_pos;
 426
 427         for (i = 0; i < N_FOLDER_COLS; i++) {
 428                 folderview->col_state[i] = col_state[i];
 429                 type = col_state[i].type;
 430                 col_pos[type] = i;
 431         }
 432
 433         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 434         titles[col_pos[F_COL_NEW]]    = _("New");
 435         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 436         /* TRANSLATORS: This in Number sign in American style */
 437         titles[col_pos[F_COL_TOTAL]]  = _("#");
 438
 439         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 440                                            titles);
 441
 442         if (prefs_common.show_col_headers == FALSE)
 443                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 444
 445
 446         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 447         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 448                                            GTK_JUSTIFY_RIGHT);
 449         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 450                                            col_pos[F_COL_UNREAD],
 451                                            GTK_JUSTIFY_RIGHT);
 452         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 453                                            col_pos[F_COL_TOTAL],
 454                                            GTK_JUSTIFY_RIGHT);
 455         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 456         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 457                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 458
 459         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 460         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 461
 462         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 463         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 464
 465         /* don't let title buttons take key focus */
 466         for (i = 0; i < N_FOLDER_COLS; i++) {
 467                 gtkut_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 468                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 469                                    prefs_common.folder_col_size[i]);
 470                 gtk_cmclist_set_column_visibility
 471                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 472         }
 473
 474         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 475                          G_CALLBACK(folderview_key_pressed),
 476                          folderview);
 477         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 478                          G_CALLBACK(folderview_button_pressed),
 479                          folderview);
 480         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 481                          G_CALLBACK(folderview_popup_menu), folderview);
 482         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 483                          G_CALLBACK(folderview_button_released),
 484                          folderview);
 485         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 486                          G_CALLBACK(folderview_selected), folderview);
 487 #ifndef GENERIC_UMPC
 488         /* drag-n-dropping folders on maemo is impractical as this
 489          * opens the folder almost everytime */
 490         g_signal_connect(G_OBJECT(ctree), "start_drag",
 491                          G_CALLBACK(folderview_start_drag), folderview);
 492 #endif
 493         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 494                          G_CALLBACK(folderview_drag_data_get),
 495                          folderview);
 496
 497         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 498                                G_CALLBACK(folderview_tree_expanded),
 499                                folderview);
 500         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 501                                G_CALLBACK(folderview_tree_collapsed),
 502                                folderview);
 503
 504         g_signal_connect(G_OBJECT(ctree), "resize_column",
 505                          G_CALLBACK(folderview_col_resized),
 506                          folderview);
 507
 508         /* drop callback */
 509         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 510                           folderview_drag_types, 2,
 511                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 512         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 513                          G_CALLBACK(folderview_drag_motion_cb),
 514                          folderview);
 515         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 516                          G_CALLBACK(folderview_drag_leave_cb),
 517                          folderview);
 518         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 519                          G_CALLBACK(folderview_drag_received_cb),
 520                          folderview);
 521         g_signal_connect(G_OBJECT(ctree), "drag_end",
 522                          G_CALLBACK(folderview_drag_end_cb),
 523                          folderview);
 524
 525         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 526
 527         return ctree;
 528 }
 529
 530 void folderview_set_column_order(FolderView *folderview)
 531 {
 532         GtkWidget *ctree = folderview->ctree;
 533         FolderItem *item = folderview_get_selected_item(folderview);
 534         FolderItem *sel_item = NULL, *op_item = NULL;
 535         GtkWidget *scrolledwin = folderview->scrolledwin;
 536
 537         if (folderview->drag_timer_id != 0) {
 538                 g_source_remove(folderview->drag_timer_id);
 539                 folderview->drag_timer_id = 0;
 540         }
 541         if (folderview->deferred_refresh_id != 0) {
 542                 g_source_remove(folderview->deferred_refresh_id);
 543                 folderview->deferred_refresh_id = 0;
 544         }
 545         if (folderview->scroll_timeout_id != 0) {
 546                 g_source_remove(folderview->scroll_timeout_id);
 547                 folderview->scroll_timeout_id = 0;
 548         }
 549         if (folderview->postpone_select_id != 0) {
 550                 g_source_remove(folderview->postpone_select_id);
 551                 folderview->postpone_select_id = 0;
 552         }
 553
 554         if (folderview->selected)
 555                 sel_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->selected);
 556         if (folderview->opened)
 557                 op_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->opened);
 558
 559         debug_print("recreating tree...\n");
 560         gtk_widget_destroy(folderview->ctree);
 561
 562
 563         folderview->ctree = ctree = folderview_ctree_create(folderview);
 564         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 565                                             GTK_CMCLIST(ctree)->hadjustment);
 566         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 567                                             GTK_CMCLIST(ctree)->vadjustment);
 568         gtk_widget_show(ctree);
 569
 570         if (sel_item)
 571                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 572         if (op_item)
 573                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 574
 575         folderview_set(folderview);
 576         folderview_column_set_titles(folderview);
 577
 578         folderview_select(folderview,item);
 579 }
 580
 581 FolderView *folderview_create(void)
 582 {
 583         FolderView *folderview;
 584         GtkWidget *scrolledwin;
 585         GtkWidget *ctree;
 586
 587         debug_print("Creating folder view...\n");
 588         folderview = g_new0(FolderView, 1);
 589
 590         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 591         gtk_scrolled_window_set_policy
 592                 (GTK_SCROLLED_WINDOW(scrolledwin),
 593                  GTK_POLICY_AUTOMATIC,
 594                  prefs_common.folderview_vscrollbar_policy);
 595         gtk_widget_set_size_request(scrolledwin,
 596                              prefs_common.folderview_width,
 597                              prefs_common.folderview_height);
 598
 599         folderview->scrolledwin  = scrolledwin;
 600         ctree = folderview_ctree_create(folderview);
 601
 602         /* create popup factories */
 603         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 604         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 605
 606         folderview->ctree        = ctree;
 607
 608         folderview->folder_update_callback_id =
 609                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 610         folderview->folder_item_update_callback_id =
 611                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 612
 613         gtk_widget_show_all(scrolledwin);
 614
 615         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 616         folderview_list = g_list_append(folderview_list, folderview);
 617
 618         folderview->drag_timer_id       = 0;
 619         folderview->deferred_refresh_id = 0;
 620         folderview->scroll_timeout_id   = 0;
 621         folderview->postpone_select_id  = 0;
 622
 623         return folderview;
 624 }
 625
 626 void folderview_init(FolderView *folderview)
 627 {
 628         GtkWidget *ctree = folderview->ctree;
 629         GdkColor gdk_color;
 630         PangoFontDescription *normal_font;
 631
 632         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 633         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 634         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 635         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 636         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 637         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 638         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 639         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 640         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 641         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 642         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 643         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 644         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 645         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 646         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 647         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 648         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 649         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 650         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 651         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 652         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 653         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 654         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm);
 655
 656         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 657         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 658         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 659         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 660         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 661         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 662         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 663         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 664         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 665         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 666         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 667         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 668         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 669         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 670         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 671         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 672         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 673         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 674         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 675         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 676         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 677         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 678
 679         normal_font = pango_font_description_from_string(NORMAL_FONT);
 680         if (normal_font) {
 681                 gtk_widget_modify_font(ctree, normal_font);
 682                 pango_font_description_free(normal_font);
 683         }
 684         gtk_cmclist_set_row_height(GTK_CMCLIST(ctree), 0);
 685
 686         if (!normal_style) {
 687                 PangoFontDescription *font_desc;
 688                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 689                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 690                 if (font_desc) {
 691                         if (normal_style->font_desc)
 692                                 pango_font_description_free
 693                                         (normal_style->font_desc);
 694                         normal_style->font_desc = font_desc;
 695                 }
 696                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 697                 normal_color_style = gtk_style_copy(normal_style);
 698                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 699         }
 700
 701         if (!bold_style) {
 702                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 703                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 704                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 705                         PangoFontDescription *font_desc;
 706                         font_desc = pango_font_description_from_string(NORMAL_FONT);
 707                         if (font_desc) {
 708                                 pango_font_description_free(bold_style->font_desc);
 709                                 bold_style->font_desc = font_desc;
 710                         }
 711                         pango_font_description_set_weight
 712                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 713                 } else {
 714                         PangoFontDescription *font_desc;
 715                         font_desc = pango_font_description_from_string(BOLD_FONT);
 716                         if (font_desc) {
 717                                 if (bold_style->font_desc)
 718                                         pango_font_description_free
 719                                                 (bold_style->font_desc);
 720                                 bold_style->font_desc = font_desc;
 721                         }
 722                 }
 723                 bold_color_style = gtk_style_copy(bold_style);
 724                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 725
 726                 bold_tgtfold_style = gtk_style_copy(bold_style);
 727                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 728         }
 729 }
 730
 731 static gboolean folderview_defer_set(gpointer data)
 732 {
 733         FolderView *folderview = (FolderView *)data;
 734         MainWindow *mainwin = folderview->mainwin;
 735
 736         if (!mainwin)
 737                 return FALSE;
 738         if (mainwin->lock_count)
 739                 return TRUE;
 740
 741         debug_print("doing deferred folderview_set now\n");
 742         folderview_set(folderview);
 743
 744         folderview->deferred_refresh_id = 0;
 745         return FALSE;
 746 }
 747
 748 void folderview_set(FolderView *folderview)
 749 {
 750         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 751         MainWindow *mainwin = folderview->mainwin;
 752         FolderItem *sel_item = NULL, *op_item = NULL;
 753
 754         if (!mainwin)
 755                 return;
 756
 757         if (mainwin->lock_count) {
 758                 if (folderview->deferred_refresh_id == 0)
 759                         folderview->deferred_refresh_id =
 760                                 g_timeout_add(500, folderview_defer_set, folderview);
 761                 debug_print("deferred folderview_set\n");
 762                 return;
 763         }
 764
 765         inc_lock();
 766         debug_print("Setting folder info...\n");
 767         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 768
 769         main_window_cursor_wait(mainwin);
 770
 771         if (folderview->selected)
 772                 sel_item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 773         if (folderview->opened)
 774                 op_item = gtk_cmctree_node_get_row_data(ctree, folderview->opened);
 775
 776         folderview->selected = NULL;
 777         folderview->opened = NULL;
 778
 779         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 780         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 781
 782         folderview_set_folders(folderview);
 783
 784         if (sel_item)
 785                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 786         if (op_item)
 787                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 788
 789         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 790         main_window_cursor_normal(mainwin);
 791         STATUSBAR_POP(mainwin);
 792         inc_unlock();
 793 }
 794
 795 void folderview_set_all(void)
 796 {
 797         GList *list;
 798
 799         for (list = folderview_list; list != NULL; list = list->next)
 800                 folderview_set((FolderView *)list->data);
 801 }
 802
 803 void folderview_select(FolderView *folderview, FolderItem *item)
 804 {
 805         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 806         GtkCMCTreeNode *node;
 807         GtkCMCTreeNode *old_selected = folderview->selected;
 808
 809         if (!item) return;
 810
 811         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 812         if (node) folderview_select_node(folderview, node);
 813
 814         if (old_selected != node)
 815                 folder_update_op_count();
 816 }
 817
 818 static void mark_all_read_cb(GtkAction *action, gpointer data)
 819 {
 820         mark_all_read_handler(action, data, FALSE);
 821 }
 822
 823 static void mark_all_read_recursive_cb(GtkAction *action, gpointer data)
 824 {
 825         mark_all_read_handler(action, data, TRUE);
 826 }
 827
 828 static void mark_all_read_handler(GtkAction *action, gpointer data, gboolean recursive)
 829 {
 830         FolderView *folderview = (FolderView *)data;
 831         FolderItem *item;
 832         AlertValue val;
 833         gchar *message;
 834
 835         item = folderview_get_selected_item(folderview);
 836         if (item == NULL)
 837                 return;
 838
 839         message = recursive? _("Do you really want to mark all mails in this "
 840                                "folder and its sub-folders as read?") :
 841                              _("Do you really want to mark all mails in this "
 842                                "folder as read?");
 843         if (folderview->summaryview->folder_item != item &&
 844             prefs_common.ask_mark_all_read) {
 845                 val = alertpanel_full(_("Mark all as read"),
 846                           message, GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 847                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 848
 849                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 850                         return;
 851                 else if (val & G_ALERTDISABLE)
 852                         prefs_common.ask_mark_all_read = FALSE;
 853         }
 854         g_free(message);
 855
 856         folder_item_update_freeze();
 857         if (folderview->summaryview->folder_item != item && !recursive)
 858                 summary_lock(folderview->summaryview);
 859         else
 860                 summary_freeze(folderview->summaryview);
 861
 862         if (recursive)
 863                 folderutils_mark_all_read_recursive(item);
 864         else
 865                 folderutils_mark_all_read(item);
 866
 867         if (folderview->summaryview->folder_item != item && !recursive)
 868                 summary_unlock(folderview->summaryview);
 869         else
 870                 summary_thaw(folderview->summaryview);
 871         folder_item_update_thaw();
 872 }
 873
 874 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 875 {
 876         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 877
 878         cm_return_if_fail(node != NULL);
 879
 880         if (folderview->open_folder) {
 881                 return;
 882         }
 883
 884         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 885         gtkut_ctree_expand_parent_all(ctree, node);
 886
 887         folderview->open_folder = TRUE;
 888         gtkut_ctree_set_focus_row(ctree, node);
 889         gtk_cmctree_select(ctree, node);
 890         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 891         if ((folderview->summaryview->folder_item &&
 892             folderview->summaryview->folder_item->total_msgs > 0) ||
 893              prefs_common.layout_mode == SMALL_LAYOUT)
 894                 summary_grab_focus(folderview->summaryview);
 895         else
 896                 gtk_widget_grab_focus(folderview->ctree);
 897 }
 898
 899 void folderview_unselect(FolderView *folderview)
 900 {
 901         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 902                 gtk_cmctree_collapse
 903                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 904
 905         folderview->selected = folderview->opened = NULL;
 906 }
 907
 908 static GtkCMCTreeNode *folderview_find_next_with_flag(GtkCMCTree *ctree,
 909                                                       GtkCMCTreeNode *node,
 910                                                       MsgPermFlags flag)
 911 {
 912         FolderItem *item;
 913
 914         if (node)
 915                 node = gtkut_ctree_node_next(ctree, node);
 916         else
 917                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 918
 919         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 920                 item = gtk_cmctree_node_get_row_data(ctree, node);
 921                 if (!item)
 922                         continue;
 923                 if (item->stype == F_TRASH || item->stype == F_DRAFT)
 924                         continue;
 925                 switch (flag) {
 926                 case MSG_UNREAD:
 927                         if(item->unread_msgs > 0)
 928                                 return node;
 929                         break;
 930                 case MSG_NEW:
 931                         if(item->new_msgs > 0)
 932                                 return node;
 933                         break;
 934                 case MSG_MARKED:
 935                         if(item->marked_msgs > 0)
 936                                 return node;
 937                         break;
 938                 }
 939         }
 940
 941         return NULL;
 942 }
 943
 944 void folderview_select_next_with_flag(FolderView *folderview,
 945                                       MsgPermFlags flag,
 946                                       gboolean force_open)
 947 {
 948         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 949         GtkCMCTreeNode *node = NULL;
 950         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 951         gboolean last_open = prefs_common.always_show_msg;
 952
 953         switch (flag) {
 954         case MSG_UNREAD:
 955                 prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 956                 break;
 957         case MSG_NEW:
 958                 prefs_common.summary_select_prio[0] = ACTION_NEW;
 959                 break;
 960         case MSG_MARKED:
 961                 prefs_common.summary_select_prio[0] = ACTION_MARKED;
 962                 break;
 963         }
 964         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
 965
 966         node = folderview_find_next_with_flag(ctree, folderview->opened, flag);
 967         if (node != NULL) {
 968                 folderview_select_node(folderview, node);
 969                 goto out;
 970         }
 971
 972         if (!folderview->opened ||
 973             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 974                 goto out;
 975         }
 976
 977         /* search again from the first node */
 978         node = folderview_find_next_with_flag(ctree, NULL, flag);
 979         if (node != NULL)
 980                 folderview_select_node(folderview, node);
 981
 982 out:
 983         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 984         prefs_common.always_show_msg = last_open;
 985 }
 986
 987 FolderItem *folderview_get_selected_item(FolderView *folderview)
 988 {
 989         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 990
 991         if (!folderview->selected) return NULL;
 992         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 993 }
 994
 995 static void folderview_set_folders(FolderView *folderview)
 996 {
 997         GList *list;
 998         list = folder_get_list();
 999
1000         for (; list != NULL; list = list->next) {
1001                 folderview_append_folder(folderview, FOLDER(list->data));
1002         }
1003 }
1004
1005 static gchar *get_scan_str(FolderItem *item)
1006 {
1007         if (item->path)
1008                 return g_strdup_printf(_("Scanning folder %s%c%s..."),
1009                                       item->folder->name, G_DIR_SEPARATOR,
1010                                       item->path);
1011         else
1012                 return g_strdup_printf(_("Scanning folder %s..."),
1013                                       item->folder->name);
1014 }
1015 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1016                                       gpointer data)
1017 {
1018         GList *list;
1019         for (list = folderview_list; list != NULL; list = list->next) {
1020                 FolderView *folderview = (FolderView *)list->data;
1021                 MainWindow *mainwin = folderview->mainwin;
1022                 gchar *str = get_scan_str(item);
1023
1024                 STATUSBAR_PUSH(mainwin, str);
1025                 STATUSBAR_POP(mainwin);
1026                 g_free(str);
1027         }
1028 }
1029
1030 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1031 {
1032         GtkWidget *window;
1033         MainWindow *mainwin = mainwindow_get_mainwindow();
1034         FolderView *folderview = NULL;
1035         GtkAdjustment *pos = NULL;
1036         gint height = 0;
1037
1038         cm_return_if_fail(folder != NULL);
1039
1040         if (!folder->klass->scan_tree) return;
1041
1042         if (rebuild &&
1043             alertpanel_full(_("Rebuild folder tree"),
1044                          _("Rebuilding the folder tree will remove "
1045                            "local caches. Do you want to continue?"),
1046                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1047                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1048                 != G_ALERTALTERNATE) {
1049                 return;
1050         }
1051
1052         inc_lock();
1053         if (rebuild)
1054                 window = label_window_create(_("Rebuilding folder tree..."));
1055         else
1056                 window = label_window_create(_("Scanning folder tree..."));
1057
1058         if (mainwin)
1059                 folderview = mainwin->folderview;
1060
1061         if (folderview) {
1062                 pos = gtk_scrolled_window_get_vadjustment(
1063                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1064                 height = gtk_adjustment_get_value(pos);
1065         }
1066
1067         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1068         folder_scan_tree(folder, rebuild);
1069         folder_set_ui_func(folder, NULL, NULL);
1070
1071         folderview_set_all();
1072
1073         if (folderview) {
1074                 pos = gtk_scrolled_window_get_vadjustment(
1075                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1076                 gtk_adjustment_set_value(pos, height);
1077                 gtk_adjustment_changed(pos);
1078         }
1079         label_window_destroy(window);
1080         inc_unlock();
1081 }
1082
1083 /** folderview_check_new()
1084  *  Scan and update the folder and return the
1085  *  count the number of new messages since last check.
1086  *  \param folder the folder to check for new messages
1087  *  \return the number of new messages since last check
1088  */
1089 gint folderview_check_new(Folder *folder)
1090 {
1091         GList *list;
1092         FolderItem *item;
1093         FolderView *folderview;
1094         GtkCMCTree *ctree;
1095         GtkCMCTreeNode *node;
1096         gint new_msgs = 0;
1097         gint former_new_msgs = 0;
1098         gint former_new = 0, former_unread = 0, former_total;
1099
1100         for (list = folderview_list; list != NULL; list = list->next) {
1101                 folderview = (FolderView *)list->data;
1102                 ctree = GTK_CMCTREE(folderview->ctree);
1103                 folderview->scanning_folder = folder;
1104                 inc_lock();
1105                 main_window_lock(folderview->mainwin);
1106
1107                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1108                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1109                         gchar *str = NULL;
1110                         item = gtk_cmctree_node_get_row_data(ctree, node);
1111                         if (!item || !item->path || !item->folder) continue;
1112                         if (item->no_select) continue;
1113                         if (folder && folder != item->folder) continue;
1114                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1115                         if (!item->prefs->newmailcheck) continue;
1116                         if (item->processing_pending == TRUE) {
1117                                 debug_print("skipping %s, processing pending\n",
1118                                         item->path ? item->path : item->name);
1119                                 continue;
1120                         }
1121                         if (item->scanning != ITEM_NOT_SCANNING) {
1122                                 debug_print("skipping %s, scanning\n",
1123                                         item->path ? item->path : item->name);
1124                                 continue;
1125                         }
1126
1127                         str = get_scan_str(item);
1128
1129                         STATUSBAR_PUSH(folderview->mainwin, str);
1130                         GTK_EVENTS_FLUSH();
1131                         g_free(str);
1132
1133                         folderview_scan_tree_func(item->folder, item, NULL);
1134                         former_new    = item->new_msgs;
1135                         former_unread = item->unread_msgs;
1136                         former_total  = item->total_msgs;
1137
1138                         if (item->folder->klass->scan_required &&
1139                             (item->folder->klass->scan_required(item->folder, item) ||
1140                              item->folder->inbox == item ||
1141                              item->opened == TRUE ||
1142                              item->processing_pending == TRUE)) {
1143                                 if (folder_item_scan(item) < 0) {
1144                                         if (folder) {
1145                                                 summaryview_unlock(folderview->summaryview, item);
1146                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1147                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1148                                                                 item->path ? item->path:item->name);
1149                                                         STATUSBAR_POP(folderview->mainwin);
1150                                                         continue;
1151                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1152                                                         STATUSBAR_POP(folderview->mainwin);
1153                                                         break;
1154                                                 }
1155                                         }
1156                                 }
1157                         } else if (!item->folder->klass->scan_required) {
1158                                 if (folder_item_scan(item) < 0) {
1159                                         summaryview_unlock(folderview->summaryview, item);
1160                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1161                                                 STATUSBAR_POP(folderview->mainwin);
1162                                                 break;
1163                                         }
1164                                 }
1165                         }
1166                         if (former_new    != item->new_msgs ||
1167                             former_unread != item->unread_msgs ||
1168                             former_total  != item->total_msgs)
1169                                 folderview_update_node(folderview, node);
1170
1171                         new_msgs += item->new_msgs;
1172                         former_new_msgs += former_new;
1173                         STATUSBAR_POP(folderview->mainwin);
1174                 }
1175                 folderview->scanning_folder = NULL;
1176                 main_window_unlock(folderview->mainwin);
1177                 inc_unlock();
1178         }
1179
1180         folder_write_list();
1181         /* Number of new messages since last check is the just the difference
1182          * between former_new_msgs and new_msgs. If new_msgs is less than
1183          * former_new_msgs, that would mean another session accessed the folder
1184          * and the result is not well defined.
1185          */
1186         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1187         return new_msgs;
1188 }
1189
1190 void folderview_check_new_all(void)
1191 {
1192         GList *list;
1193         GtkWidget *window;
1194         FolderView *folderview;
1195
1196         folderview = (FolderView *)folderview_list->data;
1197
1198         inc_lock();
1199         main_window_lock(folderview->mainwin);
1200         window = label_window_create
1201                 (_("Checking for new messages in all folders..."));
1202
1203         list = folder_get_list();
1204         for (; list != NULL; list = list->next) {
1205                 Folder *folder = list->data;
1206
1207                 folderview_check_new(folder);
1208         }
1209
1210         folder_write_list();
1211         folderview_set_all();
1212
1213         label_window_destroy(window);
1214         main_window_unlock(folderview->mainwin);
1215         inc_unlock();
1216 }
1217
1218 static gboolean folderview_have_children_sub(FolderView *folderview,
1219                                              FolderItem *item,
1220                                              gboolean in_sub)
1221 {
1222         GNode *node = NULL;
1223
1224         if (!item || !item->folder || !item->folder->node)
1225                 return FALSE;
1226
1227         node = item->folder->node;
1228
1229         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1230         node = node->children;
1231
1232         if (in_sub && item->total_msgs > 0) {
1233                 return TRUE;
1234         }
1235
1236         while (node != NULL) {
1237                 if (node && node->data) {
1238                         FolderItem *next_item = (FolderItem*) node->data;
1239                         node = node->next;
1240                         if (folderview_have_children_sub(folderview,
1241                                                          next_item, TRUE))
1242                                 return TRUE;
1243                 }
1244         }
1245
1246         return FALSE;
1247 }
1248
1249 static gboolean folderview_have_children(FolderView *folderview,
1250                                          FolderItem *item)
1251 {
1252         return folderview_have_children_sub(folderview, item, FALSE);
1253 }
1254
1255 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1256                                                  FolderItem *item,
1257                                                  gboolean in_sub)
1258 {
1259         GNode *node = NULL;
1260
1261         if (!item || !item->folder || !item->folder->node)
1262                 return FALSE;
1263
1264         node = item->folder->node;
1265
1266         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1267         node = node->children;
1268
1269         if (in_sub &&
1270             (item->new_msgs > 0 ||
1271             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1272                 return TRUE;
1273         }
1274
1275         while (node != NULL) {
1276                 if (node && node->data) {
1277                         FolderItem *next_item = (FolderItem*) node->data;
1278                         node = node->next;
1279                         if (folderview_have_new_children_sub(folderview,
1280                                                              next_item, TRUE))
1281                                 return TRUE;
1282                 }
1283         }
1284
1285         return FALSE;
1286 }
1287
1288 static gboolean folderview_have_new_children(FolderView *folderview,
1289                                              FolderItem *item)
1290 {
1291         return folderview_have_new_children_sub(folderview, item, FALSE);
1292 }
1293
1294 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1295                                                     FolderItem *item,
1296                                                     gboolean in_sub)
1297 {
1298         GNode *node = NULL;
1299
1300         if (!item || !item->folder || !item->folder->node)
1301                 return FALSE;
1302
1303         node = item->folder->node;
1304
1305         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1306         node = node->children;
1307
1308         if (in_sub &&
1309             (item->unread_msgs > 0 ||
1310             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1311                 return TRUE;
1312         }
1313
1314         while (node != NULL) {
1315                 if (node && node->data) {
1316                         FolderItem *next_item = (FolderItem*) node->data;
1317                         node = node->next;
1318                         if (folderview_have_unread_children_sub(folderview,
1319                                                                 next_item,
1320                                                                 TRUE))
1321                                 return TRUE;
1322                 }
1323         }
1324
1325         return FALSE;
1326 }
1327
1328 static gboolean folderview_have_unread_children(FolderView *folderview,
1329                                                 FolderItem *item)
1330 {
1331         return folderview_have_unread_children_sub(folderview, item, FALSE);
1332 }
1333
1334 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1335                                                       FolderItem *item,
1336                                                       gboolean in_sub)
1337 {
1338         GNode *node = NULL;
1339
1340         if (!item || !item->folder || !item->folder->node)
1341                 return FALSE;
1342
1343         node = item->folder->node;
1344
1345         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1346         node = node->children;
1347
1348         if (in_sub && item->search_match){
1349                 return TRUE;
1350         }
1351
1352         while (node != NULL) {
1353                 if (node && node->data) {
1354                         FolderItem *next_item = (FolderItem*) node->data;
1355                         node = node->next;
1356                         if (folderview_have_matching_children_sub(folderview,
1357                                                                   next_item,
1358                                                                   TRUE))
1359                                 return TRUE;
1360                 }
1361         }
1362
1363         return FALSE;
1364 }
1365
1366 static gboolean folderview_have_matching_children(FolderView *folderview,
1367                                                   FolderItem *item)
1368 {
1369         return folderview_have_matching_children_sub(folderview, item, FALSE);
1370 }
1371
1372 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1373                                                     FolderItem *item,
1374                                                     gboolean in_sub)
1375 {
1376         GNode *node = NULL;
1377
1378         if (!item || !item->folder || !item->folder->node)
1379                 return FALSE;
1380
1381         node = item->folder->node;
1382
1383         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1384         node = node->children;
1385
1386         if (item->marked_msgs != 0) {
1387                 return TRUE;
1388         }
1389
1390         while (node != NULL) {
1391                 if (node && node->data) {
1392                         FolderItem *next_item = (FolderItem*) node->data;
1393                         node = node->next;
1394                         if (folderview_have_marked_children_sub(folderview,
1395                                                                 next_item, TRUE))
1396                                 return TRUE;
1397                 }
1398         }
1399
1400         return FALSE;
1401 }
1402
1403 static gboolean folderview_have_marked_children(FolderView *folderview,
1404                                              FolderItem *item)
1405 {
1406         return folderview_have_marked_children_sub(folderview, item, FALSE);
1407 }
1408
1409 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1410 {
1411         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1412         GtkStyle *style = NULL;
1413         GtkStyle *color_style = NULL;
1414         FolderItem *item;
1415         GdkPixbuf *xpm, *openxpm;
1416         static GdkPixbuf *searchicon;
1417         gboolean mark = FALSE;
1418         gchar *name;
1419         gchar *str;
1420         gboolean add_unread_mark;
1421         gboolean add_sub_match_mark;
1422         gboolean use_bold, use_color;
1423         gint *col_pos = folderview->col_pos;
1424         SpecialFolderItemType stype;
1425
1426         item = gtk_cmctree_node_get_row_data(ctree, node);
1427         cm_return_if_fail(item != NULL);
1428
1429         if (!GTK_CMCTREE_ROW(node)->expanded)
1430                 mark = folderview_have_marked_children(folderview, item);
1431         else
1432                 mark = (item->marked_msgs != 0);
1433
1434         stype = item->stype;
1435         if (stype == F_NORMAL) {
1436                 if (folder_has_parent_of_type(item, F_TRASH))
1437                         stype = F_TRASH;
1438                 else if (folder_has_parent_of_type(item, F_DRAFT))
1439                         stype = F_DRAFT;
1440                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1441                         stype = F_OUTBOX;
1442                 else if (folder_has_parent_of_type(item, F_QUEUE))
1443                         stype = F_QUEUE;
1444         }
1445         switch (stype) {
1446         case F_INBOX:
1447                 if (item->hide_read_msgs || item->hide_read_threads) {
1448                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1449                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1450                 } else {
1451                         xpm = mark?m_inboxxpm:inboxxpm;
1452                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1453                 }
1454                 break;
1455         case F_OUTBOX:
1456                 if (item->hide_read_msgs || item->hide_read_threads) {
1457                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1458                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1459                 } else {
1460                         xpm = mark?m_outboxxpm:outboxxpm;
1461                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1462                 }
1463                 break;
1464         case F_QUEUE:
1465                 if (item->hide_read_msgs || item->hide_read_threads) {
1466                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1467                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1468                 } else {
1469                         xpm = mark?m_queuexpm:queuexpm;
1470                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1471                 }
1472                 break;
1473         case F_TRASH:
1474                 if (item->hide_read_msgs || item->hide_read_threads) {
1475                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1476                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1477                 } else {
1478                         xpm = mark?m_trashxpm:trashxpm;
1479                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1480                 }
1481                 break;
1482         case F_DRAFT:
1483                 xpm = mark?m_draftsxpm:draftsxpm;
1484                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1485                 break;
1486         default:
1487                 if (item->hide_read_msgs || item->hide_read_threads) {
1488                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1489                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1490                 } else {
1491                         xpm = mark?m_folderxpm:folderxpm;
1492                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1493                 }
1494         }
1495
1496         if (item->no_select) {
1497                 xpm = openxpm = noselectxpm;
1498         }
1499
1500         name = folder_item_get_name(item);
1501
1502         if (!GTK_CMCTREE_ROW(node)->expanded) {
1503                 add_unread_mark = folderview_have_unread_children(
1504                                         folderview, item);
1505                 add_sub_match_mark = folderview_have_matching_children(
1506                                         folderview, item);
1507         } else {
1508                 add_unread_mark = FALSE;
1509                 add_sub_match_mark = FALSE;
1510         }
1511
1512         if (item->search_match) {
1513                 if (!searchicon) {
1514                         stock_pixbuf_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1515                          &searchicon);
1516                 }
1517                 xpm = openxpm = searchicon;
1518         }
1519
1520         str = NULL;
1521         if (prefs_common.display_folder_unread) {
1522                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1523                         /* only total_msgs matters here */
1524                         if (item->total_msgs > 0) {
1525                                 /* show total number (should be equal to the unread number)
1526                                    and signs if any */
1527                                 str = g_strdup_printf("%s (%d%s%s)",
1528                                                         name, item->total_msgs,
1529                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1530                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1531                         }
1532                 } else {
1533                         if (prefs_common.display_folder_unread == 1) {
1534                                 if (item->unread_msgs > 0) {
1535                                         /* show unread number and signs */
1536                                         str = g_strdup_printf("%s (%d%s%s)",
1537                                                                 name, item->unread_msgs,
1538                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1539                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1540                                 }
1541                         } else {
1542                                 if (item->total_msgs > 0) {
1543                                         /* show unread number, total number and signs if any */
1544                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1545                                                                 name, item->unread_msgs, item->total_msgs,
1546                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1547                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1548                                 }
1549                         }
1550                 }
1551                 if ((str == NULL) &&
1552                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1553                         /* no unread/total numbers, but at least one sign */
1554                         str = g_strdup_printf("%s (%s%s)",
1555                                                 name,
1556                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1557                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1558                 }
1559         }
1560         if (str == NULL) {
1561                 /* last fallback, folder name only or with +! sign */
1562                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1563                         str = g_strdup_printf("%s%s",
1564                                                 name, " (+!)");
1565                 } else if (item->unreadmarked_msgs > 0) {
1566                         str = g_strdup_printf("%s%s",
1567                                                 name, " (!)");
1568                 } else if (add_sub_match_mark) {
1569                         str = g_strdup_printf("%s%s",
1570                                                 name, " (+)");
1571                 } else {
1572                         str = g_strdup_printf("%s", name);
1573                 }
1574         }
1575         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1576                                 xpm, openxpm,
1577                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1578         g_free(str);
1579         g_free(name);
1580
1581         if (!folder_item_parent(item)) {
1582                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1583                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1584                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1585         } else {
1586                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1587                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1588                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1589         }
1590
1591         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1592             folder_has_parent_of_type(item, F_TRASH)) {
1593                 use_bold = use_color = FALSE;
1594         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1595                 GSList *list = folder_item_get_msg_list(item);
1596                 GSList *cur;
1597                 use_bold = use_color = FALSE;
1598                 for (cur = list; cur; cur = cur->next) {
1599                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1600                         if (!MSG_IS_DELETED(msginfo->flags)) {
1601                                 /* highlight queue folder if there are any messages */
1602                                 use_bold = use_color = TRUE;
1603                                 break;
1604                         }
1605                 }
1606                 if (!GTK_CMCTREE_ROW(node)->expanded &&
1607                     use_bold == FALSE &&
1608                     folderview_have_children(folderview, item))
1609                         use_bold = use_color = TRUE;
1610                 procmsg_msg_list_free(list);
1611         } else {
1612                 /* if unread messages exist, print with bold font */
1613                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1614                                 || add_unread_mark;
1615                 /* if new messages exist, print with colored letter */
1616                 use_color =
1617                         (item->new_msgs > 0) ||
1618                         (add_unread_mark &&
1619                          folderview_have_new_children(folderview, item));
1620         }
1621
1622         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1623
1624         if (use_bold) {
1625                 GdkColor gdk_color;
1626
1627                 if (item->prefs->color > 0 && !use_color) {
1628                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1629                         color_style = gtk_style_copy(bold_style);
1630                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1631                         style = color_style;
1632                 } else if (use_color) {
1633                         style = bold_color_style;
1634                 } else
1635                         style = bold_style;
1636                 if (item->op_count > 0) {
1637                         style = bold_tgtfold_style;
1638                 }
1639         } else if (use_color) {
1640                 style = normal_color_style;
1641                 gtk_cmctree_node_set_foreground(ctree, node,
1642                                               &folderview->color_new);
1643         } else if (item->op_count > 0) {
1644                 style = bold_tgtfold_style;
1645         } else if (item->prefs->color > 0) {
1646                 GdkColor gdk_color;
1647                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1648                 color_style = gtk_style_copy(normal_style);
1649                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1650                 style = color_style;
1651         } else {
1652                 style = normal_style;
1653         }
1654
1655         gtk_cmctree_node_set_row_style(ctree, node, style);
1656
1657         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1658                 folderview_update_node(folderview, node);
1659 }
1660
1661 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1662 {
1663         GList *list;
1664         FolderView *folderview;
1665         GtkCMCTree *ctree;
1666         GtkCMCTreeNode *node;
1667
1668         cm_return_if_fail(item != NULL);
1669
1670         for (list = folderview_list; list != NULL; list = list->next) {
1671                 folderview = (FolderView *)list->data;
1672                 ctree = GTK_CMCTREE(folderview->ctree);
1673
1674                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1675                 if (node && item->search_match != matches) {
1676                         item->search_match = matches;
1677                         folderview_update_node(folderview, node);
1678                 }
1679         }
1680 }
1681
1682 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1683 {
1684         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1685         FolderView *folderview = (FolderView *)data;
1686         GtkCMCTree *ctree;
1687         GtkCMCTreeNode *node;
1688         cm_return_val_if_fail(update_info != NULL, TRUE);
1689         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1690         cm_return_val_if_fail(folderview != NULL, FALSE);
1691
1692         ctree = GTK_CMCTREE(folderview->ctree);
1693
1694         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1695
1696         if (node) {
1697                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1698                         folderview_update_node(folderview, node);
1699
1700                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1701                      update_info->item == folderview->summaryview->folder_item &&
1702                      update_info->item != NULL)
1703                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1704                                 summary_show(folderview->summaryview, update_info->item);
1705         }
1706
1707         return FALSE;
1708 }
1709
1710 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1711                                       GNode *gnode, GtkCMCTreeNode *cnode,
1712                                       gpointer data)
1713 {
1714         FolderView *folderview = (FolderView *)data;
1715         FolderItem *item = FOLDER_ITEM(gnode->data);
1716
1717         cm_return_val_if_fail(item != NULL, FALSE);
1718
1719         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1720         folderview_update_node(folderview, cnode);
1721
1722         return TRUE;
1723 }
1724
1725 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1726                                    gpointer data)
1727 {
1728         FolderView *folderview = (FolderView *)data;
1729         FolderItem *item;
1730
1731         if (GTK_CMCTREE_ROW(node)->children) {
1732                 item = gtk_cmctree_node_get_row_data(ctree, node);
1733                 cm_return_if_fail(item != NULL);
1734
1735                 if (!item->collapsed)
1736                         gtk_cmctree_expand(ctree, node);
1737                 else
1738                         folderview_update_node(folderview, node);
1739         }
1740 }
1741
1742 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1743                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1744 {
1745         if (item) {
1746                 GtkCMCTreeNode *node, *parent, *sibling;
1747
1748                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1749                 if (!node)
1750                         g_warning("%s not found.\n", item->path);
1751                 else {
1752                         parent = GTK_CMCTREE_ROW(node)->parent;
1753                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1754                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1755                         else
1756                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1757                         while (sibling) {
1758                                 FolderItem *tmp;
1759
1760                                 tmp = gtk_cmctree_node_get_row_data
1761                                         (ctree, sibling);
1762                                 if (tmp && tmp->stype != F_NORMAL)
1763                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1764                                 else
1765                                         break;
1766                         }
1767                         if (node != sibling)
1768                                 gtk_cmctree_move(ctree, node, parent, sibling);
1769                 }
1770
1771                 *prev = node;
1772         }
1773 }
1774
1775 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1776                                     Folder *folder)
1777 {
1778         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1779         GtkCMCTreeNode *prev = NULL;
1780
1781         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1782         gtk_sctree_sort_recursive(ctree, root);
1783         if (root && GTK_CMCTREE_ROW(root)->parent) {
1784                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1785                 return;
1786         }
1787         set_special_folder(ctree, folder->inbox, root, &prev);
1788         set_special_folder(ctree, folder->outbox, root, &prev);
1789         set_special_folder(ctree, folder->draft, root, &prev);
1790         set_special_folder(ctree, folder->queue, root, &prev);
1791         set_special_folder(ctree, folder->trash, root, &prev);
1792         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1793 }
1794
1795 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1796 {
1797         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1798         GtkCMCTreeNode *root;
1799
1800         cm_return_if_fail(folder != NULL);
1801
1802         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1803                                       folderview_gnode_func, folderview);
1804         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1805                                 folderview);
1806         folderview_sort_folders(folderview, root, folder);
1807 }
1808
1809 /* callback functions */
1810 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1811                                 GdkEventButton *event)
1812 {
1813         FolderItem *item;
1814         Folder *folder;
1815         FolderViewPopup *fpopup;
1816         GtkActionGroup *action_group;
1817         GtkWidget *popup;
1818         FolderItem *special_trash = NULL, *special_queue = NULL;
1819         PrefsAccount *ac;
1820         GtkUIManager *ui_manager = gtk_ui_manager_new();
1821
1822         if (folderview->ui_manager)
1823                 g_object_unref(folderview->ui_manager);
1824
1825         folderview->ui_manager = ui_manager;
1826         item = folderview_get_selected_item(folderview);
1827
1828         cm_return_if_fail(item != NULL);
1829         cm_return_if_fail(item->folder != NULL);
1830         folder = item->folder;
1831
1832         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1833
1834         if (fpopup != NULL)
1835                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1836         else {
1837                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1838                 action_group = g_hash_table_lookup(folderview->popups, "common");
1839         }
1840
1841         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1842         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1843         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1844
1845         if (fpopup->add_menuitems)
1846                 fpopup->add_menuitems(ui_manager, item);
1847
1848         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1849         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllReadRec", "FolderViewPopup/MarkAllReadRec", GTK_UI_MANAGER_MENUITEM)
1850         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1851         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1852         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1853         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1854         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1855
1856         if (fpopup->set_sensitivity != NULL)
1857                 fpopup->set_sensitivity(ui_manager, item);
1858
1859         if (NULL != (ac = account_find_from_item(item))) {
1860                 special_trash = account_get_special_folder(ac, F_TRASH);
1861                 special_queue = account_get_special_folder(ac, F_QUEUE);
1862         }
1863
1864         if ((item == folder->trash || item == special_trash
1865              || folder_has_parent_of_type(item, F_TRASH))) {
1866                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1867                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1868         }
1869
1870         if ((item == folder->queue || item == special_queue
1871              || folder_has_parent_of_type(item, F_QUEUE))) {
1872                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1873                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1874         }
1875
1876 #define SET_SENS(name, sens) \
1877         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1878
1879         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs >= 1);
1880         SET_SENS("FolderViewPopup/MarkAllReadRec", folderview_have_unread_children(folderview,item));
1881         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs >= 1 &&
1882                  folderview->selected == folderview->opened);
1883         SET_SENS("FolderViewPopup/Properties", TRUE);
1884
1885         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1886                  item->total_msgs >= 1 && !item->processing_pending);
1887         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1888                 !item->no_select && !item->processing_pending);
1889
1890         if (item == folder->trash || item == special_trash
1891             || folder_has_parent_of_type(item, F_TRASH)) {
1892                 GSList *msglist = folder_item_get_msg_list(item);
1893                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
1894                 procmsg_msg_list_free(msglist);
1895         }
1896         if (item == folder->queue || item == special_queue
1897             || folder_has_parent_of_type(item, F_QUEUE)) {
1898                 GSList *msglist = folder_item_get_msg_list(item);
1899                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
1900                 procmsg_msg_list_free(msglist);
1901         }
1902 #undef SET_SENS
1903
1904         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
1905                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
1906         g_signal_connect(G_OBJECT(popup), "selection_done",
1907                          G_CALLBACK(folderview_popup_close),
1908                          folderview);
1909         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1910                        event->button, event->time);
1911 }
1912
1913 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1914                                           FolderView *folderview)
1915 {
1916         GtkCMCList *clist = GTK_CMCLIST(ctree);
1917         gint prev_row = -1, row = -1, column = -1;
1918
1919         if (!event) return FALSE;
1920
1921         if (event->button == 1 || event->button == 2) {
1922                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1923                         folderview->open_folder = TRUE;
1924
1925                 if (event->type == GDK_2BUTTON_PRESS) {
1926                         if (clist->selection) {
1927                                 GtkCMCTreeNode *node;
1928
1929                                 node = GTK_CMCTREE_NODE(clist->selection->data);
1930                                 if (node) {
1931                                         gtk_cmctree_toggle_expansion(
1932                                                 GTK_CMCTREE(ctree),
1933                                                 node);
1934                                         folderview->open_folder = FALSE;
1935                                 }
1936                         }
1937                 }
1938                 return FALSE;
1939         }
1940
1941         if (event->button == 2 || event->button == 3) {
1942                 /* right clicked */
1943                 if (clist->selection) {
1944                         GtkCMCTreeNode *node;
1945
1946                         node = GTK_CMCTREE_NODE(clist->selection->data);
1947                         if (node)
1948                                 prev_row = gtkut_ctree_get_nth_from_node
1949                                         (GTK_CMCTREE(ctree), node);
1950                 }
1951
1952                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1953                                                   &row, &column))
1954                         return FALSE;
1955                 if (prev_row != row) {
1956                         gtk_cmclist_unselect_all(clist);
1957                         if (event->button == 2)
1958                                 folderview_select_node
1959                                         (folderview,
1960                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
1961                                                             row));
1962                         else
1963                                 gtk_cmclist_select_row(clist, row, column);
1964                 }
1965         }
1966
1967         if (event->button != 3) return FALSE;
1968
1969         folderview_set_sens_and_popup_menu(folderview, row, event);
1970         return FALSE;
1971 }
1972
1973 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1974                                            FolderView *folderview)
1975 {
1976         int row = -1, column = -1;
1977
1978         if (!event) return FALSE;
1979
1980         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
1981                                           &row, &column))
1982                 return FALSE;
1983         if (event->button == 1 && folderview->open_folder == FALSE &&
1984             folderview->opened != NULL) {
1985                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
1986                                           folderview->opened);
1987                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
1988         }
1989
1990         return FALSE;
1991 }
1992
1993 #define BREAK_ON_MODIFIER_KEY() \
1994         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1995
1996 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1997                                        FolderView *folderview)
1998 {
1999         if (!event) return FALSE;
2000
2001         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2002                 return FALSE;
2003
2004         switch (event->keyval) {
2005         case GDK_KEY_Right:
2006 #ifndef GENERIC_UMPC
2007         case GDK_KEY_Return:
2008         case GDK_KEY_KP_Enter:
2009 #endif
2010                 if (folderview->selected) {
2011                         folderview_select_node(folderview,
2012                                                folderview->selected);
2013                 }
2014                 break;
2015 #ifdef GENERIC_UMPC
2016         case GDK_KEY_Return:
2017                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2018                         gtk_cmctree_toggle_expansion(
2019                                 GTK_CMCTREE(folderview->ctree),
2020                                 folderview->selected);
2021                 }
2022                 break;
2023 #endif
2024         case GDK_KEY_space:
2025                 BREAK_ON_MODIFIER_KEY();
2026                 if (folderview->selected) {
2027                         if (folderview->opened == folderview->selected &&
2028                             (!folderview->summaryview->folder_item ||
2029                              folderview->summaryview->folder_item->total_msgs == 0))
2030                                 folderview_select_next_with_flag(folderview, MSG_UNREAD, TRUE);
2031                         else
2032                                 folderview_select_node(folderview,
2033                                                        folderview->selected);
2034                 }
2035                 break;
2036         default:
2037                 break;
2038         }
2039
2040         return FALSE;
2041 }
2042
2043 typedef struct _PostponedSelectData
2044 {
2045         GtkCMCTree *ctree;
2046         GtkCMCTreeNode *row;
2047         gint column;
2048         FolderView *folderview;
2049 } PostponedSelectData;
2050
2051 static gboolean postpone_select(void *data)
2052 {
2053         PostponedSelectData *psdata = (PostponedSelectData *)data;
2054         debug_print("trying again\n");
2055
2056         psdata->folderview->postpone_select_id = 0;
2057         psdata->folderview->open_folder = TRUE;
2058         main_window_cursor_normal(psdata->folderview->mainwin);
2059         STATUSBAR_POP(psdata->folderview->mainwin);
2060         folderview_selected(psdata->ctree, psdata->row,
2061                             psdata->column, psdata->folderview);
2062         g_free(psdata);
2063         return FALSE;
2064 }
2065
2066 void folderview_close_opened(FolderView *folderview)
2067 {
2068         if (folderview->opened) {
2069                 FolderItem *olditem;
2070
2071                 olditem = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2072                                                       folderview->opened);
2073                 if (olditem) {
2074                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2075                                 olditem->path ? olditem->path:olditem->name);
2076                         /* will be null if we just moved the previously opened folder */
2077                         STATUSBAR_PUSH(folderview->mainwin, buf);
2078                         main_window_cursor_wait(folderview->mainwin);
2079                         g_free(buf);
2080                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2081                         summary_show(folderview->summaryview, NULL);
2082                         folder_item_close(olditem);
2083                         main_window_cursor_normal(folderview->mainwin);
2084                         STATUSBAR_POP(folderview->mainwin);
2085                         if (olditem->folder->klass->item_closed)
2086                                 olditem->folder->klass->item_closed(olditem);
2087
2088                 }
2089         }
2090
2091         if (folderview->opened &&
2092             !GTK_CMCTREE_ROW(folderview->opened)->children)
2093                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2094
2095         folderview->opened = NULL;
2096 }
2097 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2098                                 gint column, FolderView *folderview)
2099 {
2100         static gboolean can_select = TRUE;      /* exclusive lock */
2101         gboolean opened;
2102         FolderItem *item;
2103         gchar *buf;
2104         int res = 0;
2105         GtkCMCTreeNode *old_opened = folderview->opened;
2106         START_TIMING("");
2107         folderview->selected = row;
2108
2109         debug_print("newly selected %p, opened %p\n", folderview->selected,
2110                         folderview->opened);
2111         if (folderview->opened == row) {
2112                 folderview->open_folder = FALSE;
2113                 END_TIMING();
2114                 return;
2115         }
2116
2117         item = gtk_cmctree_node_get_row_data(ctree, row);
2118         if (!item) {
2119                 END_TIMING();
2120                 folderview->open_folder = FALSE;
2121                 return;
2122         }
2123
2124         if (!can_select || summary_is_locked(folderview->summaryview)) {
2125                 if (folderview->opened) {
2126                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2127                         gtk_cmctree_select(ctree, folderview->opened);
2128                 }
2129                 folderview->open_folder = FALSE;
2130                 END_TIMING();
2131                 return;
2132         }
2133
2134         if (!folderview->open_folder) {
2135                 END_TIMING();
2136                 return;
2137         }
2138
2139         can_select = FALSE;
2140
2141         /* Save cache for old folder */
2142         /* We don't want to lose all caches if sylpheed crashed */
2143         /* resets folderview->opened to NULL */
2144         folderview_close_opened(folderview);
2145
2146         /* CLAWS: set compose button type: news folder items
2147          * always have a news folder as parent */
2148         if (item->folder)
2149                 toolbar_set_compose_button
2150                         (folderview->mainwin->toolbar,
2151                          FOLDER_TYPE(item->folder) == F_NEWS ?
2152                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2153
2154         if (item->path)
2155                 debug_print("Folder %s is selected\n", item->path);
2156
2157         if (!GTK_CMCTREE_ROW(row)->children)
2158                 gtk_cmctree_expand(ctree, row);
2159
2160         /* ungrab the mouse event */
2161         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2162                 gtk_grab_remove(GTK_WIDGET(ctree));
2163                 if (gdk_pointer_is_grabbed())
2164                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2165         }
2166
2167         /* Open Folder */
2168         /* TODO: wwp: avoid displaying (null) in the status bar */
2169         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2170                                         item->path : "(null)");
2171         debug_print("%s\n", buf);
2172         STATUSBAR_PUSH(folderview->mainwin, buf);
2173         g_free(buf);
2174
2175         main_window_cursor_wait(folderview->mainwin);
2176
2177         if (folderview->scanning_folder == item->folder) {
2178                 res = -2;
2179         } else {
2180                 res = folder_item_open(item);
2181         }
2182
2183         if (res == -1 && item->no_select == FALSE) {
2184                 main_window_cursor_normal(folderview->mainwin);
2185                 STATUSBAR_POP(folderview->mainwin);
2186
2187                 alertpanel_error(_("Folder could not be opened."));
2188
2189                 folderview->open_folder = FALSE;
2190                 can_select = TRUE;
2191                 END_TIMING();
2192                 return;
2193         } else if (res == -2 && item->no_select == FALSE) {
2194                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2195                 data->ctree = ctree;
2196                 data->row = row;
2197                 data->column = column;
2198                 data->folderview = folderview;
2199                 debug_print("postponing open of %s till end of scan\n",
2200                         item->path ? item->path:item->name);
2201                 folderview->open_folder = FALSE;
2202                 can_select = TRUE;
2203                 if (folderview->postpone_select_id != 0)
2204                         g_source_remove(folderview->postpone_select_id);
2205                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2206                 END_TIMING();
2207                 return;
2208         }
2209
2210         main_window_cursor_normal(folderview->mainwin);
2211
2212         /* Show messages */
2213         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2214         opened = summary_show(folderview->summaryview, item);
2215
2216         folder_clean_cache_memory(item);
2217
2218         if (!opened) {
2219                 gtkut_ctree_set_focus_row(ctree, old_opened);
2220                 gtk_cmctree_select(ctree, old_opened);
2221                 folderview->opened = old_opened;
2222         } else {
2223                 folderview->opened = row;
2224                 if (gtk_cmctree_node_is_visible(ctree, row)
2225                     != GTK_VISIBILITY_FULL)
2226                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2227         }
2228
2229         STATUSBAR_POP(folderview->mainwin);
2230
2231         folderview->open_folder = FALSE;
2232         can_select = TRUE;
2233         END_TIMING();
2234 }
2235
2236 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2237                                      FolderView *folderview)
2238 {
2239         FolderItem *item;
2240
2241         item = gtk_cmctree_node_get_row_data(ctree, node);
2242         cm_return_if_fail(item != NULL);
2243         item->collapsed = FALSE;
2244         folderview_update_node(folderview, node);
2245 }
2246
2247 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2248                                       FolderView *folderview)
2249 {
2250         FolderItem *item;
2251
2252         item = gtk_cmctree_node_get_row_data(ctree, node);
2253         cm_return_if_fail(item != NULL);
2254         item->collapsed = TRUE;
2255         folderview_update_node(folderview, node);
2256 }
2257
2258 static void folderview_popup_close(GtkMenuShell *menu_shell,
2259                                    FolderView *folderview)
2260 {
2261         if (!folderview->opened) return;
2262
2263         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2264 }
2265
2266 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2267                                    FolderView *folderview)
2268 {
2269         FolderColumnType type = folderview->col_state[column].type;
2270
2271         prefs_common.folder_col_size[type] = width;
2272 }
2273
2274 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2275 {
2276         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2277         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2278         GtkCMCTreeNode *node, *parent_node;
2279         gint *col_pos = folderview->col_pos;
2280         FolderItemUpdateData hookdata;
2281
2282         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2283         if (parent_node == NULL)
2284                 return;
2285
2286         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2287
2288         text[col_pos[F_COL_FOLDER]] = item->name;
2289         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2290                                      FOLDER_SPACING,
2291                                      folderxpm,
2292                                      folderopenxpm,
2293                                      FALSE, FALSE);
2294         gtk_cmctree_expand(ctree, parent_node);
2295         gtk_cmctree_node_set_row_data(ctree, node, item);
2296         if (normal_style)
2297                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2298         folderview_sort_folders(folderview, parent_node, item->folder);
2299
2300         hookdata.item = item;
2301         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2302         hookdata.msg = NULL;
2303         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2304
2305         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2306 }
2307
2308 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2309 {
2310         FolderView *folderview = (FolderView *)data;
2311         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2312         FolderItem *item;
2313         GSList *mlist = NULL;
2314         GSList *cur = NULL;
2315         FolderItem *special_trash = NULL;
2316         PrefsAccount *ac;
2317
2318         if (!folderview->selected) return;
2319         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2320         cm_return_if_fail(item != NULL);
2321         cm_return_if_fail(item->folder != NULL);
2322
2323         if (NULL != (ac = account_find_from_item(item)))
2324                 special_trash = account_get_special_folder(ac, F_TRASH);
2325
2326         if (item != item->folder->trash && item != special_trash
2327         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2328
2329         if (prefs_common.ask_on_clean) {
2330                 if (alertpanel(_("Empty trash"),
2331                                _("Delete all messages in trash?"),
2332                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2333                         return;
2334         }
2335
2336         mlist = folder_item_get_msg_list(item);
2337
2338         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2339                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2340                 if (MSG_IS_LOCKED(msginfo->flags))
2341                         continue;
2342                 /* is it partially received? (partial_recv isn't cached) */
2343                 if (msginfo->total_size != 0 &&
2344                     msginfo->size != (off_t)msginfo->total_size)
2345                         partial_mark_for_delete(msginfo);
2346         }
2347         procmsg_msg_list_free(mlist);
2348
2349         folder_item_remove_all_msg(item);
2350 }
2351
2352 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2353 {
2354         FolderView *folderview = (FolderView *)data;
2355         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2356         FolderItem *item;
2357         FolderItem *special_queue = NULL;
2358         PrefsAccount *ac;
2359         gchar *errstr = NULL;
2360
2361         if (!folderview->selected) return;
2362         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2363         cm_return_if_fail(item != NULL);
2364         cm_return_if_fail(item->folder != NULL);
2365
2366         if (NULL != (ac = account_find_from_item(item)))
2367                 special_queue = account_get_special_folder(ac, F_QUEUE);
2368
2369         if (item != item->folder->queue && item != special_queue
2370         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2371
2372         if (procmsg_queue_is_empty(item))
2373                 return;
2374
2375         if (prefs_common.work_offline)
2376                 if (alertpanel(_("Offline warning"),
2377                                _("You're working offline. Override?"),
2378                                GTK_STOCK_NO, GTK_STOCK_YES,
2379                                NULL) != G_ALERTALTERNATE)
2380                 return;
2381
2382         /* ask for confirmation before sending queued messages only
2383            in online mode and if there is at least one message queued
2384            in any of the folder queue
2385         */
2386         if (prefs_common.confirm_send_queued_messages) {
2387                 if (!prefs_common.work_offline) {
2388                         if (alertpanel(_("Send queued messages"),
2389                                    _("Send all queued messages?"),
2390                                    GTK_STOCK_CANCEL, _("_Send"),
2391                                    NULL) != G_ALERTALTERNATE)
2392                                 return;
2393                 }
2394         }
2395
2396         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2397                 if (!errstr)
2398                         alertpanel_error_log(_("Some errors occurred while "
2399                                            "sending queued messages."));
2400                 else {
2401                         alertpanel_error_log(_("Some errors occurred "
2402                                         "while sending queued messages:\n%s"), errstr);
2403                         g_free(errstr);
2404                 }
2405         }
2406 }
2407
2408 static void folderview_search_cb(GtkAction *action, gpointer data)
2409 {
2410         FolderView *folderview = (FolderView *)data;
2411         summary_search(folderview->summaryview);
2412 }
2413
2414 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2415 {
2416         FolderView *folderview = (FolderView *)data;
2417         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2418         FolderItem *item;
2419
2420         if (!folderview->selected) return;
2421
2422         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2423         cm_return_if_fail(item != NULL);
2424         cm_return_if_fail(item->folder != NULL);
2425
2426         item->processing_pending = TRUE;
2427         folder_item_apply_processing(item);
2428         item->processing_pending = FALSE;
2429 }
2430
2431 static void folderview_property_cb(GtkAction *action, gpointer data)
2432 {
2433         FolderView *folderview = (FolderView *)data;
2434         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2435         FolderItem *item;
2436
2437         if (!folderview->selected) return;
2438
2439         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2440         cm_return_if_fail(item != NULL);
2441         cm_return_if_fail(item->folder != NULL);
2442
2443         prefs_folder_item_open(item);
2444 }
2445
2446 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2447 {
2448         GSList *list = NULL;
2449         GSList *done = NULL;
2450         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2451
2452         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2453                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2454                 &&  list->data != node) {
2455                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2456                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2457                 }
2458         }
2459         for (list = done; list != NULL; list = g_slist_next(list)) {
2460                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2461                                                                  list->data);
2462         }
2463         g_slist_free(done);
2464 }
2465
2466 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2467                             FolderItem *to_folder, gboolean copy)
2468 {
2469         FolderItem *new_folder = NULL;
2470         gchar *buf;
2471         gint status;
2472
2473         cm_return_if_fail(folderview != NULL);
2474         cm_return_if_fail(from_folder != NULL);
2475         cm_return_if_fail(to_folder != NULL);
2476
2477         if (prefs_common.warn_dnd) {
2478                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2479                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2480                                         from_folder->name, to_folder->name);
2481                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2482                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2483                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2484                 g_free(buf);
2485
2486                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2487                         return;
2488                 else if (status & G_ALERTDISABLE)
2489                         prefs_common.warn_dnd = FALSE;
2490         }
2491
2492         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2493                                 from_folder->name, to_folder->name);
2494         STATUSBAR_PUSH(folderview->mainwin, buf);
2495         g_free(buf);
2496         summary_clear_all(folderview->summaryview);
2497         folderview->opened = NULL;
2498         folderview->selected = NULL;
2499         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2500         inc_lock();
2501         main_window_cursor_wait(folderview->mainwin);
2502
2503         statusbar_verbosity_set(FALSE);
2504         folder_item_update_freeze();
2505         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2506         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2507                 statusbar_verbosity_set(FALSE);
2508                 main_window_cursor_normal(folderview->mainwin);
2509                 STATUSBAR_POP(folderview->mainwin);
2510                 folder_item_update_thaw();
2511                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2512
2513                 folderview_sort_folders(folderview,
2514                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2515                                 NULL, to_folder), new_folder->folder);
2516                 folderview_select(folderview, new_folder);
2517                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2518         } else {
2519                 statusbar_verbosity_set(FALSE);
2520                 main_window_cursor_normal(folderview->mainwin);
2521                 STATUSBAR_POP(folderview->mainwin);
2522                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2523                 folder_item_update_thaw();
2524                 switch (status) {
2525                 case F_MOVE_FAILED_DEST_IS_PARENT:
2526                         alertpanel_error(_("Source and destination are the same."));
2527                         break;
2528                 case F_MOVE_FAILED_DEST_IS_CHILD:
2529                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2530                                                 _("Can't move a folder to one of its children."));
2531                         break;
2532                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2533                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2534                         break;
2535                 default:
2536                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2537                         break;
2538                 }
2539         }
2540         inc_unlock();
2541         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2542 }
2543
2544 static gint folderview_clist_compare(GtkCMCList *clist,
2545                                      gconstpointer ptr1, gconstpointer ptr2)
2546 {
2547         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2548         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2549
2550         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2551         {
2552                 return item1->order - item2->order;
2553         }
2554
2555         // if only one folder has an order it comes first
2556         if (item1->order > 0)
2557         {
2558                 return -1;
2559         }
2560         if (item2->order > 0)
2561         {
2562                 return 1;
2563         }
2564
2565         if (!item1->name)
2566                 return (item2->name != NULL);
2567         if (!item2->name)
2568                 return -1;
2569
2570         return g_utf8_collate(item1->name, item2->name);
2571 }
2572
2573 static void folderview_processing_cb(GtkAction *action, gpointer data)
2574 {
2575         FolderView *folderview = (FolderView *)data;
2576         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2577         FolderItem *item;
2578         gchar *id, *title;
2579
2580         if (!folderview->selected) return;
2581
2582         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2583         cm_return_if_fail(item != NULL);
2584         cm_return_if_fail(item->folder != NULL);
2585
2586         id = folder_item_get_identifier(item);
2587         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2588         g_free (id);
2589
2590         prefs_filtering_open(&item->prefs->processing, title,
2591                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2592         g_free (title);
2593 }
2594
2595 void folderview_set_target_folder_color(gint color_op)
2596 {
2597         gint firstone = 1;
2598         GList *list;
2599         FolderView *folderview;
2600
2601         for (list = folderview_list; list != NULL; list = list->next) {
2602                 folderview = (FolderView *)list->data;
2603                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2604                 if (firstone) {
2605                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2606                                 folderview->color_op;
2607                         firstone = 0;
2608                 }
2609         }
2610 }
2611
2612 static gchar *last_smallfont = NULL;
2613 static gchar *last_normalfont = NULL;
2614 static gchar *last_boldfont = NULL;
2615 static gboolean last_derive = 0;
2616
2617 void folderview_reinit_fonts(FolderView *folderview)
2618 {
2619         /* force reinit */
2620         g_free(last_smallfont);
2621         last_smallfont = NULL;
2622         g_free(last_normalfont);
2623         last_normalfont = NULL;
2624         g_free(last_boldfont);
2625         last_boldfont = NULL;
2626 }
2627
2628 void folderview_reflect_prefs(void)
2629 {
2630         gboolean update_font = FALSE;
2631         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2632         FolderItem *item = folderview_get_selected_item(folderview);
2633         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2634                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2635         gint height = gtk_adjustment_get_value(pos);
2636
2637         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2638                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2639                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2640                         last_derive != prefs_common.derive_from_normal_font)
2641                 update_font = TRUE;
2642
2643         g_free(last_smallfont);
2644         last_smallfont = g_strdup(SMALL_FONT);
2645         g_free(last_normalfont);
2646         last_normalfont = g_strdup(NORMAL_FONT);
2647         g_free(last_boldfont);
2648         last_boldfont = g_strdup(BOLD_FONT);
2649         last_derive = prefs_common.derive_from_normal_font;
2650
2651         if (update_font) {
2652                 normal_style = normal_color_style = bold_style =
2653                         bold_color_style = bold_tgtfold_style = NULL;
2654
2655                 folderview_init(folderview);
2656         }
2657         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2658         folderview_column_set_titles(folderview);
2659         folderview_set_all();
2660
2661         g_signal_handlers_block_by_func
2662                 (G_OBJECT(folderview->ctree),
2663                  G_CALLBACK(folderview_selected), folderview);
2664
2665         if (item) {
2666                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2667                         GTK_CMCTREE(folderview->ctree), NULL, item);
2668
2669                 folderview_select(folderview, item);
2670                 folderview->open_folder = FALSE;
2671                 folderview->selected = node;
2672         }
2673
2674         g_signal_handlers_unblock_by_func
2675                 (G_OBJECT(folderview->ctree),
2676                  G_CALLBACK(folderview_selected), folderview);
2677
2678         pos = gtk_scrolled_window_get_vadjustment(
2679                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2680         gtk_adjustment_set_value(pos, height);
2681         gtk_adjustment_changed(pos);
2682         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2683 }
2684
2685 static void drag_state_stop(FolderView *folderview)
2686 {
2687         if (folderview->drag_timer_id)
2688                 g_source_remove(folderview->drag_timer_id);
2689         folderview->drag_timer_id = 0;
2690         folderview->drag_node = NULL;
2691 }
2692
2693 static gboolean folderview_defer_expand(FolderView *folderview)
2694 {
2695         if (folderview->drag_node) {
2696                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2697                 if (folderview->drag_item->collapsed) {
2698                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2699                         folderview->nodes_to_recollapse = g_slist_append
2700                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2701                 }
2702         }
2703         folderview->drag_item  = NULL;
2704         folderview->drag_timer_id = 0;
2705         return FALSE;
2706 }
2707
2708 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2709 {
2710         /* the idea is that we call drag_state_start() whenever we want expansion to
2711          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2712          * we need to call drag_state_stop() */
2713         drag_state_stop(folderview);
2714         /* request expansion */
2715         if (0 != (folderview->drag_timer_id = g_timeout_add
2716                         (prefs_common.hover_timeout,
2717                          (GSourceFunc)folderview_defer_expand,
2718                          folderview))) {
2719                 folderview->drag_node = node;
2720                 folderview->drag_item = item;
2721         }
2722 }
2723 #ifndef GENERIC_UMPC
2724 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2725                                   FolderView       *folderview)
2726 {
2727         GdkDragContext *context;
2728
2729         cm_return_if_fail(folderview != NULL);
2730         if (folderview->selected == NULL) return;
2731         if (folderview->nodes_to_recollapse)
2732                 g_slist_free(folderview->nodes_to_recollapse);
2733         folderview->nodes_to_recollapse = NULL;
2734         context = gtk_drag_begin(widget, folderview->target_list,
2735                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2736         gtk_drag_set_icon_default(context);
2737 }
2738 #endif
2739 static void folderview_drag_data_get(GtkWidget        *widget,
2740                                      GdkDragContext   *drag_context,
2741                                      GtkSelectionData *selection_data,
2742                                      guint             info,
2743                                      guint             time,
2744                                      FolderView       *folderview)
2745 {
2746         FolderItem *item;
2747         GList *sel;
2748         gchar *source = NULL;
2749         if (info == TARGET_DUMMY) {
2750                 sel = GTK_CMCLIST(folderview->ctree)->selection;
2751                 if (!sel)
2752                         return;
2753
2754                 item = gtk_cmctree_node_get_row_data
2755                         (GTK_CMCTREE(folderview->ctree),
2756                          GTK_CMCTREE_NODE(sel->data));
2757                 if (item) {
2758                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2759                         gtk_selection_data_set(selection_data,
2760                                                gtk_selection_data_get_target(selection_data), 8,
2761                                                source, strlen(source));
2762                 }
2763         } else {
2764                 g_warning("unknown info %d\n", info);
2765         }
2766 }
2767
2768 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2769 {
2770         FolderUpdateData *hookdata;
2771         FolderView *folderview;
2772         GtkWidget *ctree;
2773
2774         hookdata = source;
2775         folderview = (FolderView *) userdata;
2776         cm_return_val_if_fail(hookdata != NULL, FALSE);
2777         cm_return_val_if_fail(folderview != NULL, FALSE);
2778
2779         ctree = folderview->ctree;
2780         cm_return_val_if_fail(ctree != NULL, FALSE);
2781
2782         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2783                 folderview_create_folder_node(folderview, hookdata->item);
2784         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2785                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2786                                 NULL, folder_item_parent(hookdata->item));
2787                 folderview_sort_folders(folderview, node, hookdata->folder);
2788         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2789                 GtkCMCTreeNode *node;
2790
2791                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2792                 if (node != NULL) {
2793                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2794                         if (folderview->selected == node)
2795                                 folderview->selected = NULL;
2796                         if (folderview->opened == node)
2797                                 folderview->opened = NULL;
2798                 }
2799         } else if (hookdata->update_flags & FOLDER_MOVE_FOLDERITEM) {
2800                 /* do nothing, it's done by the ADD and REMOVE) */
2801         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2802                 folderview_set(folderview);
2803
2804         return FALSE;
2805 }
2806
2807 static gboolean folderview_dnd_scroll_cb(gpointer data)
2808 {
2809         FolderView *folderview = (FolderView *)data;
2810         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2811                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2812         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2813         gint max = (int)gtk_adjustment_get_upper(pos) -
2814                (int)gtk_adjustment_get_page_size(pos);
2815
2816         if (folderview->scroll_value == 0) {
2817                 folderview->scroll_timeout_id = 0;
2818                 return FALSE;
2819         }
2820
2821         if (folderview->scroll_value > 0 && new_val > max) {
2822                 new_val = max;
2823         } else if (folderview->scroll_value < 0 && new_val < 0) {
2824                 new_val = 0;
2825         }
2826         gtk_adjustment_set_value(pos, new_val);
2827
2828         return TRUE;
2829 }
2830
2831 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2832                                           GdkDragContext *context,
2833                                           gint            x,
2834                                           gint            y,
2835                                           guint           time,
2836                                           FolderView     *folderview)
2837 {
2838         gint row, column;
2839         FolderItem *item = NULL, *src_item = NULL;
2840         GtkCMCTreeNode *node = NULL;
2841         gboolean acceptable = FALSE;
2842         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2843                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2844         int height = (int)gtk_adjustment_get_page_size(pos);
2845         int total_height = (int)gtk_adjustment_get_upper(pos);
2846         int vpos = (int)gtk_adjustment_get_value(pos);
2847         int offset = prefs_common.show_col_headers ? 24:0;
2848         int dist;
2849
2850         if (gtk_cmclist_get_selection_info
2851                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
2852                 GtkWidget *srcwidget;
2853
2854                 if (y > height - (48 - offset) && height + vpos < total_height) {
2855                         dist = -(height - (48 - offset) - y);
2856                         folderview->scroll_value = 1.41f * (1+(dist / 6));
2857                 } else if (y < 72 - (24 - offset) && y >= 0) {
2858                         dist = 72 - (24 - offset) - y;
2859                         folderview->scroll_value = -1.41f * (1+(dist / 6));
2860                 } else {
2861                         folderview->scroll_value = 0;
2862                 }
2863                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
2864                         folderview->scroll_timeout_id =
2865                                 g_timeout_add(30, folderview_dnd_scroll_cb,
2866                                               folderview);
2867                 }
2868
2869                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2870                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2871                 src_item = folderview->summaryview->folder_item;
2872
2873                 srcwidget = gtk_drag_get_source_widget(context);
2874                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2875                         /* comes from summaryview */
2876                         /* we are copying messages, so only accept folder items that are not
2877                            the source item, are no root items and can copy messages */
2878                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2879                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2880                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2881                                 acceptable = TRUE;
2882                 } else if (srcwidget == folderview->ctree) {
2883                         /* comes from folderview */
2884                         /* we are moving folder items, only accept folders that are not
2885                            the source items and can copy messages and create folder items */
2886                         if (item && item->folder && src_item && src_item != item &&
2887                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2888                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2889                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2890                              || item->folder == src_item->folder))
2891                                 acceptable = TRUE;
2892                 } else {
2893                         /* comes from another app */
2894                         /* we are adding messages, so only accept folder items that are
2895                            no root items and can copy messages */
2896                         if (item && item->folder && folder_item_parent(item) != NULL
2897                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2898                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2899                                 acceptable = TRUE;
2900                 }
2901         }
2902
2903         if (acceptable || (src_item && src_item == item))
2904                 drag_state_start(folderview, node, item);
2905
2906         if (acceptable) {
2907                 g_signal_handlers_block_by_func
2908                         (G_OBJECT(widget),
2909                          G_CALLBACK(folderview_selected), folderview);
2910                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
2911                 g_signal_handlers_unblock_by_func
2912                         (G_OBJECT(widget),
2913                          G_CALLBACK(folderview_selected), folderview);
2914                 gdk_drag_status(context,
2915                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
2916                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2917         } else {
2918                 if (folderview->opened)
2919                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2920                 gdk_drag_status(context, 0, time);
2921         }
2922
2923         return acceptable;
2924 }
2925
2926 static void folderview_drag_leave_cb(GtkWidget      *widget,
2927                                      GdkDragContext *context,
2928                                      guint           time,
2929                                      FolderView     *folderview)
2930 {
2931         drag_state_stop(folderview);
2932         folderview->scroll_value = 0;
2933         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2934 }
2935
2936 static void free_info (gpointer stuff, gpointer data)
2937 {
2938         g_free(stuff);
2939 }
2940
2941 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2942                            guint time, FolderItem *item)
2943 {
2944         GList *list, *tmp;
2945         GSList *msglist = NULL;
2946         list = uri_list_extract_filenames(data);
2947         if (!(item && item->folder && folder_item_parent(item) != NULL
2948                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2949         {
2950                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2951                 debug_print("item doesn't fit\n");
2952                 return;
2953         }
2954         if (!list) {
2955                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2956                 debug_print("list is empty\n");
2957                 return;
2958         }
2959         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2960                 MsgFileInfo *info = NULL;
2961
2962                 if (file_is_email((gchar *)tmp->data)) {
2963                         info = g_new0(MsgFileInfo, 1);
2964                         info->msginfo = NULL;
2965                         info->file = (gchar *)tmp->data;
2966                         msglist = g_slist_prepend(msglist, info);
2967                         debug_print("file is a mail\n");
2968                 } else {
2969                         debug_print("file isn't a mail\n");
2970                 }
2971         }
2972         if (msglist) {
2973                 msglist = g_slist_reverse(msglist);
2974                 folder_item_add_msgs(item, msglist, FALSE);
2975                 g_slist_foreach(msglist, free_info, NULL);
2976                 g_slist_free(msglist);
2977                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2978         } else {
2979                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2980         }
2981         list_free_strings(list);
2982         g_list_free(list);
2983 }
2984
2985 static void folderview_drag_received_cb(GtkWidget        *widget,
2986                                         GdkDragContext   *drag_context,
2987                                         gint              x,
2988                                         gint              y,
2989                                         GtkSelectionData *data,
2990                                         guint             info,
2991                                         guint             time,
2992                                         FolderView       *folderview)
2993 {
2994         gint row, column;
2995         FolderItem *item = NULL, *src_item;
2996         GtkCMCTreeNode *node;
2997         int offset = prefs_common.show_col_headers ? 24:0;
2998
2999         folderview->scroll_value = 0;
3000
3001         if (info == TARGET_DUMMY) {
3002                 drag_state_stop(folderview);
3003                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
3004                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
3005                         /* comes from summaryview */
3006                         if (gtk_cmclist_get_selection_info
3007                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3008                                 return;
3009
3010                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3011                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3012                         src_item = folderview->summaryview->folder_item;
3013
3014                         if (item->no_select) {
3015                                 alertpanel_error(_("The destination folder can only be used to "
3016                                                    "store subfolders."));
3017                                 return;
3018                         }
3019                         /* re-check (due to acceptable possibly set for folder moves */
3020                         if (!(item && item->folder && item->path && !item->no_select &&
3021                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3022                                 return;
3023                         }
3024                         if (item && src_item) {
3025                                 switch (gdk_drag_context_get_selected_action(drag_context)) {
3026                                 case GDK_ACTION_COPY:
3027                                         summary_copy_selected_to(folderview->summaryview, item);
3028                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3029                                         break;
3030                                 case GDK_ACTION_MOVE:
3031                                 case GDK_ACTION_DEFAULT:
3032                                 default:
3033                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3034                                                 summary_copy_selected_to(folderview->summaryview, item);
3035                                         else
3036                                                 summary_move_selected_to(folderview->summaryview, item);
3037                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3038                                 }
3039                         } else
3040                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3041                 } else {
3042                         /* comes from folderview */
3043                         char *source;
3044                         gboolean folder_is_normal = TRUE;
3045                         gboolean copy = (GDK_ACTION_COPY ==
3046                                 gdk_drag_context_get_selected_action(drag_context));
3047
3048                         source = (char *)gtk_selection_data_get_data(data) + 17;
3049                         if (gtk_cmclist_get_selection_info
3050                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3051                             || *source == 0) {
3052                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3053                                 return;
3054                         }
3055                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3056                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3057                         src_item = folder_find_item_from_identifier(source);
3058
3059                         folder_is_normal =
3060                                 src_item != NULL &&
3061                                 src_item->stype == F_NORMAL &&
3062                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3063                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3064                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3065                                 !folder_has_parent_of_type(src_item, F_TRASH);
3066                         if (!item || !src_item || !folder_is_normal) {
3067                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3068                                 return;
3069                         }
3070
3071                         folderview_move_folder(folderview, src_item, item, copy);
3072                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3073                 }
3074                 folderview->nodes_to_recollapse = NULL;
3075         } else if (info == TARGET_MAIL_URI_LIST) {
3076                 if (gtk_cmclist_get_selection_info
3077                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3078                         return;
3079
3080                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3081                 if (!node) {
3082                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3083                         debug_print("no node\n");
3084                         return;
3085                 }
3086                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3087                 if (!item) {
3088                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3089                         debug_print("no item\n");
3090                         return;
3091                 }
3092                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3093                         drag_context, time, item);
3094         }
3095 }
3096
3097 static void folderview_drag_end_cb(GtkWidget        *widget,
3098                                    GdkDragContext   *drag_context,
3099                                    FolderView       *folderview)
3100 {
3101         drag_state_stop(folderview);
3102         folderview->scroll_value = 0;
3103         g_slist_free(folderview->nodes_to_recollapse);
3104         folderview->nodes_to_recollapse = NULL;
3105 }
3106
3107 void folderview_register_popup(FolderViewPopup *fpopup)
3108 {
3109         GList *folderviews;
3110
3111         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3112                 FolderView *folderview = folderviews->data;
3113                 GtkActionGroup *factory;
3114
3115                 factory = create_action_group(folderview, fpopup);
3116                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3117         }
3118         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3119 }
3120
3121 void folderview_unregister_popup(FolderViewPopup *fpopup)
3122 {
3123         GList *folderviews;
3124
3125
3126         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3127                 FolderView *folderview = folderviews->data;
3128
3129                 g_hash_table_remove(folderview->popups, fpopup->klass);
3130         }
3131         g_hash_table_remove(folderview_popups, fpopup->klass);
3132 }