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