src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65
  66 typedef enum
  67 {
  68         COL_FOLDER      = 0,
  69         COL_NEW         = 1,
  70         COL_UNREAD      = 2,
  71         COL_TOTAL       = 3
  72 } FolderColumnPos;
  73
  74 #define N_FOLDER_COLS           4
  75 #define COL_FOLDER_WIDTH        150
  76 #define COL_NUM_WIDTH           32
  77
  78 static GList *folderview_list = NULL;
  79
  80 static GtkStyle *normal_style;
  81 static GtkStyle *normal_color_style;
  82 static GtkStyle *bold_style;
  83 static GtkStyle *bold_color_style;
  84 static GtkStyle *bold_tgtfold_style;
  85
  86 static GdkBitmap *inboxxpm;
  87 static GdkBitmap *inboxxpmmask;
  88 static GdkPixmap *inboxhrmxpm;
  89 static GdkBitmap *inboxhrmxpmmask;
  90 static GdkPixmap *inboxopenxpm;
  91 static GdkBitmap *inboxopenxpmmask;
  92 static GdkPixmap *inboxopenhrmxpm;
  93 static GdkBitmap *inboxopenhrmxpmmask;
  94 static GdkPixmap *outboxxpm;
  95 static GdkBitmap *outboxxpmmask;
  96 static GdkPixmap *outboxhrmxpm;
  97 static GdkBitmap *outboxhrmxpmmask;
  98 static GdkPixmap *outboxopenxpm;
  99 static GdkBitmap *outboxopenxpmmask;
 100 static GdkPixmap *outboxopenhrmxpm;
 101 static GdkBitmap *outboxopenhrmxpmmask;
 102 static GdkPixmap *folderxpm;
 103 static GdkBitmap *folderxpmmask;
 104 static GdkPixmap *folderhrmxpm;
 105 static GdkBitmap *folderhrmxpmmask;
 106 static GdkPixmap *folderopenxpm;
 107 static GdkBitmap *folderopenxpmmask;
 108 static GdkPixmap *folderopenhrmxpm;
 109 static GdkBitmap *folderopenhrmxpmmask;
 110 static GdkPixmap *trashopenxpm;
 111 static GdkBitmap *trashopenxpmmask;
 112 static GdkPixmap *trashopenhrmxpm;
 113 static GdkBitmap *trashopenhrmxpmmask;
 114 static GdkPixmap *trashxpm;
 115 static GdkBitmap *trashxpmmask;
 116 static GdkPixmap *trashhrmxpm;
 117 static GdkBitmap *trashhrmxpmmask;
 118 static GdkPixmap *queuexpm;
 119 static GdkBitmap *queuexpmmask;
 120 static GdkPixmap *queuehrmxpm;
 121 static GdkBitmap *queuehrmxpmmask;
 122 static GdkPixmap *queueopenxpm;
 123 static GdkBitmap *queueopenxpmmask;
 124 static GdkPixmap *queueopenhrmxpm;
 125 static GdkBitmap *queueopenhrmxpmmask;
 126 static GdkPixmap *newxpm;
 127 static GdkBitmap *newxpmmask;
 128 static GdkPixmap *unreadxpm;
 129 static GdkBitmap *unreadxpmmask;
 130 static GdkPixmap *draftsxpm;
 131 static GdkBitmap *draftsxpmmask;
 132 static GdkPixmap *draftsopenxpm;
 133 static GdkBitmap *draftsopenxpmmask;
 134
 135 static void folderview_select_node       (FolderView    *folderview,
 136                                           GtkCTreeNode  *node);
 137 static void folderview_set_folders       (FolderView    *folderview);
 138 static void folderview_sort_folders      (FolderView    *folderview,
 139                                           GtkCTreeNode  *root,
 140                                           Folder        *folder);
 141 static void folderview_append_folder     (FolderView    *folderview,
 142                                           Folder        *folder);
 143 static void folderview_update_node       (FolderView    *folderview,
 144                                           GtkCTreeNode  *node);
 145
 146 static gint folderview_clist_compare    (GtkCList       *clist,
 147                                          gconstpointer   ptr1,
 148                                          gconstpointer   ptr2);
 149
 150 /* callback functions */
 151 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 152                                                  GdkEventButton *event,
 153                                                  FolderView     *folderview);
 154 static gboolean folderview_button_released      (GtkWidget      *ctree,
 155                                                  GdkEventButton *event,
 156                                                  FolderView     *folderview);
 157 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 158                                          GdkEventKey    *event,
 159                                          FolderView     *folderview);
 160 static void folderview_selected         (GtkCTree       *ctree,
 161                                          GtkCTreeNode   *row,
 162                                          gint            column,
 163                                          FolderView     *folderview);
 164 static void folderview_tree_expanded    (GtkCTree       *ctree,
 165                                          GtkCTreeNode   *node,
 166                                          FolderView     *folderview);
 167 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *node,
 169                                          FolderView     *folderview);
 170 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 171                                          FolderView     *folderview);
 172 static void folderview_col_resized      (GtkCList       *clist,
 173                                          gint            column,
 174                                          gint            width,
 175                                          FolderView     *folderview);
 176
 177 static void mark_all_read_cb            (FolderView    *folderview,
 178                                          guint           action,
 179                                          GtkWidget      *widget);
 180
 181 static void folderview_search_cb        (FolderView     *folderview,
 182                                          guint           action,
 183                                          GtkWidget      *widget);
 184
 185 static void folderview_property_cb      (FolderView     *folderview,
 186                                          guint           action,
 187                                          GtkWidget      *widget);
 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 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 208                                           FolderView       *folderview);
 209 static void folderview_drag_data_get     (GtkWidget        *widget,
 210                                           GdkDragContext   *drag_context,
 211                                           GtkSelectionData *selection_data,
 212                                           guint             info,
 213                                           guint             time,
 214                                           FolderView       *folderview);
 215 static void folderview_drag_end_cb       (GtkWidget        *widget,
 216                                           GdkDragContext   *drag_context,
 217                                           FolderView       *folderview);
 218
 219 void folderview_create_folder_node       (FolderView       *folderview,
 220                                           FolderItem       *item);
 221 gboolean folderview_update_folder        (gpointer          source,
 222                                           gpointer          userdata);
 223 gboolean folderview_update_item_claws    (gpointer          source,
 224                                           gpointer          data);
 225 static void folderview_processing_cb(FolderView *folderview, guint action,
 226                                      GtkWidget *widget);
 227
 228 GHashTable *folderview_popups;
 229
 230 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 231 {
 232         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 233         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 234         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 235         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 236 };
 237
 238 GtkTargetEntry folderview_drag_types[] =
 239 {
 240         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 241 };
 242
 243 void folderview_initialize(void)
 244 {
 245         FolderViewPopup *fpopup;
 246         guint i, n_entries;
 247         GSList *entries = NULL;
 248
 249         fpopup = g_new0(FolderViewPopup, 1);
 250
 251         n_entries = sizeof(folderview_common_popup_entries) /
 252                 sizeof(folderview_common_popup_entries[0]);
 253         for (i = 0; i < n_entries; i++)
 254                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 255
 256         fpopup->klass = "common";
 257         fpopup->path = "<CommonFolder>";
 258         fpopup->entries = entries;
 259         fpopup->set_sensitivity = NULL;
 260
 261         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 262         g_hash_table_insert(folderview_popups, "common", fpopup);
 263 }
 264
 265 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 266 {
 267         GSList *entries;
 268         GtkItemFactory *factory;
 269         FolderViewPopup *fpopup_common;
 270         GtkWidget *popup;
 271
 272         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 273         gtk_item_factory_set_translate_func(factory, menu_translate,
 274                                             NULL, NULL);
 275
 276         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 277                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 278
 279         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 280         if (fpopup_common != fpopup)
 281                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 282                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 283
 284         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 285         g_signal_connect(G_OBJECT(popup), "selection_done",
 286                          G_CALLBACK(folderview_popup_close),
 287                          folderview);
 288
 289         return factory;
 290 }
 291
 292 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 293 {
 294         FolderView *folderview = data;
 295         FolderViewPopup *fpopup = value;
 296         GtkItemFactory *factory;
 297
 298         factory = create_ifactory(folderview, fpopup);
 299         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 300 }
 301
 302 FolderView *folderview_create(void)
 303 {
 304         FolderView *folderview;
 305         GtkWidget *scrolledwin;
 306         GtkWidget *ctree;
 307         gchar *titles[N_FOLDER_COLS];
 308         gint i;
 309
 310         debug_print("Creating folder view...\n");
 311         folderview = g_new0(FolderView, 1);
 312
 313         titles[COL_FOLDER] = _("Folder");
 314         titles[COL_NEW]    = _("New");
 315         titles[COL_UNREAD] = _("Unread");
 316         titles[COL_TOTAL]  = _("#");
 317
 318         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 319         gtk_scrolled_window_set_policy
 320                 (GTK_SCROLLED_WINDOW(scrolledwin),
 321                  GTK_POLICY_AUTOMATIC,
 322                  prefs_common.folderview_vscrollbar_policy);
 323         gtk_widget_set_size_request(scrolledwin,
 324                              prefs_common.folderview_width,
 325                              prefs_common.folderview_height);
 326
 327         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 328
 329         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 330         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 331         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 332                                            GTK_JUSTIFY_RIGHT);
 333         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 334                                            GTK_JUSTIFY_RIGHT);
 335         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 336                                            GTK_JUSTIFY_RIGHT);
 337         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 338                                    prefs_common.folder_col_folder);
 339         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 340                                    prefs_common.folder_col_new);
 341         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 342                                    prefs_common.folder_col_unread);
 343         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 344                                    prefs_common.folder_col_total);
 345         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 346         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 347                                      GTK_CTREE_EXPANDER_SQUARE);
 348         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 349         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 350
 351         /* create popup factories */
 352         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 353         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 354
 355         /* don't let title buttons take key focus */
 356         for (i = 0; i < N_FOLDER_COLS; i++)
 357                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 358                                        GTK_CAN_FOCUS);
 359
 360
 361         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 362                          G_CALLBACK(folderview_key_pressed),
 363                          folderview);
 364         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 365                          G_CALLBACK(folderview_button_pressed),
 366                          folderview);
 367         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 368                          G_CALLBACK(folderview_button_released),
 369                          folderview);
 370         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 371                          G_CALLBACK(folderview_selected), folderview);
 372         g_signal_connect(G_OBJECT(ctree), "start_drag",
 373                          G_CALLBACK(folderview_start_drag), folderview);
 374         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 375                          G_CALLBACK(folderview_drag_data_get),
 376                          folderview);
 377
 378         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 379                                G_CALLBACK(folderview_tree_expanded),
 380                                folderview);
 381         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 382                                G_CALLBACK(folderview_tree_collapsed),
 383                                folderview);
 384
 385         g_signal_connect(G_OBJECT(ctree), "resize_column",
 386                          G_CALLBACK(folderview_col_resized),
 387                          folderview);
 388
 389         /* drop callback */
 390         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 391                           summary_drag_types, 1,
 392                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 393         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 394                          G_CALLBACK(folderview_drag_motion_cb),
 395                          folderview);
 396         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 397                          G_CALLBACK(folderview_drag_leave_cb),
 398                          folderview);
 399         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 400                          G_CALLBACK(folderview_drag_received_cb),
 401                          folderview);
 402         g_signal_connect(G_OBJECT(ctree), "drag_end",
 403                          G_CALLBACK(folderview_drag_end_cb),
 404                          folderview);
 405
 406         folderview->scrolledwin  = scrolledwin;
 407         folderview->ctree        = ctree;
 408
 409         folderview->folder_update_callback_id =
 410                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 411         folderview->folder_item_update_callback_id =
 412                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 413
 414         gtk_widget_show_all(scrolledwin);
 415
 416         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 417         folderview_list = g_list_append(folderview_list, folderview);
 418
 419         return folderview;
 420 }
 421
 422 void folderview_init(FolderView *folderview)
 423 {
 424         GtkWidget *ctree = folderview->ctree;
 425         GtkWidget *label_new;
 426         GtkWidget *label_unread;
 427         GtkWidget *hbox_new;
 428         GtkWidget *hbox_unread;
 429
 430         gtk_widget_realize(ctree);
 431         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 432         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 433         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 434         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 435         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 436         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 437         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 438         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 439         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 440         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 441         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 442         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 443         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 444         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 445         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 453
 454         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 455          * instead text (text overflows making them unreadable and ugly) */
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 457                          &newxpm, &newxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 459                          &unreadxpm, &unreadxpmmask);
 460
 461         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 462         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 463
 464         hbox_new = gtk_hbox_new(FALSE, 4);
 465         hbox_unread = gtk_hbox_new(FALSE, 4);
 466
 467         /* left justified */
 468         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 469         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 470         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 471         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 472
 473         gtk_widget_show_all(hbox_new);
 474         gtk_widget_show_all(hbox_unread);
 475
 476         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 477         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 478
 479         if (!normal_style) {
 480                 PangoFontDescription *font_desc;
 481                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 482                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 483                 if (font_desc) {
 484                         if (normal_style->font_desc)
 485                                 pango_font_description_free
 486                                         (normal_style->font_desc);
 487                         normal_style->font_desc = font_desc;
 488                 }
 489                 normal_color_style = gtk_style_copy(normal_style);
 490                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 491
 492                 gtk_widget_set_style(ctree, normal_style);
 493         }
 494
 495         if (!bold_style) {
 496                 PangoFontDescription *font_desc;
 497                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 498                 font_desc = pango_font_description_from_string(prefs_common.boldfont);
 499                 if (font_desc) {
 500                         if (bold_style->font_desc)
 501                                 pango_font_description_free
 502                                         (bold_style->font_desc);
 503                         bold_style->font_desc = font_desc;
 504                 }
 505                 bold_color_style = gtk_style_copy(bold_style);
 506                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 507
 508                 bold_tgtfold_style = gtk_style_copy(bold_style);
 509                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 510         }
 511 }
 512
 513 void folderview_set(FolderView *folderview)
 514 {
 515         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 516         MainWindow *mainwin = folderview->mainwin;
 517
 518         debug_print("Setting folder info...\n");
 519         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 520
 521         main_window_cursor_wait(mainwin);
 522
 523         folderview->selected = NULL;
 524         folderview->opened = NULL;
 525
 526         gtk_clist_freeze(GTK_CLIST(ctree));
 527         gtk_clist_clear(GTK_CLIST(ctree));
 528         gtk_clist_thaw(GTK_CLIST(ctree));
 529         gtk_clist_freeze(GTK_CLIST(ctree));
 530
 531         folderview_set_folders(folderview);
 532
 533         gtk_clist_thaw(GTK_CLIST(ctree));
 534         main_window_cursor_normal(mainwin);
 535         STATUSBAR_POP(mainwin);
 536 }
 537
 538 void folderview_set_all(void)
 539 {
 540         GList *list;
 541
 542         for (list = folderview_list; list != NULL; list = list->next)
 543                 folderview_set((FolderView *)list->data);
 544 }
 545
 546 void folderview_select(FolderView *folderview, FolderItem *item)
 547 {
 548         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 549         GtkCTreeNode *node;
 550         GtkCTreeNode *old_selected = folderview->selected;
 551
 552         if (!item) return;
 553
 554         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 555         if (node) folderview_select_node(folderview, node);
 556
 557         if (old_selected != node)
 558                 folder_update_op_count();
 559 }
 560
 561 static void mark_all_read_cb(FolderView *folderview, guint action,
 562                              GtkWidget *widget)
 563 {
 564         FolderItem *item;
 565
 566         item = folderview_get_selected(folderview);
 567         if (item == NULL)
 568                 return;
 569
 570         folderutils_mark_all_read(item);
 571 }
 572
 573 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 574 {
 575         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 576
 577         g_return_if_fail(node != NULL);
 578
 579         folderview->open_folder = TRUE;
 580         gtkut_ctree_set_focus_row(ctree, node);
 581         gtk_ctree_select(ctree, node);
 582         if (folderview->summaryview->folder_item &&
 583             folderview->summaryview->folder_item->total_msgs > 0)
 584                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 585         else
 586                 gtk_widget_grab_focus(folderview->ctree);
 587
 588         gtkut_ctree_expand_parent_all(ctree, node);
 589 }
 590
 591 void folderview_unselect(FolderView *folderview)
 592 {
 593         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 594                 gtk_ctree_collapse
 595                         (GTK_CTREE(folderview->ctree), folderview->opened);
 596
 597         folderview->selected = folderview->opened = NULL;
 598 }
 599
 600 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 601                                                  GtkCTreeNode *node)
 602 {
 603         FolderItem *item;
 604
 605         if (node)
 606                 node = gtkut_ctree_node_next(ctree, node);
 607         else
 608                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 609
 610         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 611                 item = gtk_ctree_node_get_row_data(ctree, node);
 612                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 613                         return node;
 614         }
 615
 616         return NULL;
 617 }
 618
 619 void folderview_select_next_unread(FolderView *folderview)
 620 {
 621         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 622         GtkCTreeNode *node = NULL;
 623
 624         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 625             != NULL) {
 626                 folderview_select_node(folderview, node);
 627                 return;
 628         }
 629
 630         if (!folderview->opened ||
 631             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 632                 return;
 633         /* search again from the first node */
 634         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 635                 folderview_select_node(folderview, node);
 636 }
 637
 638 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 639 {
 640         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 641         static GtkCTreeNode *prev_row = NULL;
 642         FolderItem *item;
 643         gint new, unread, total;
 644         gchar *new_str, *unread_str, *total_str;
 645
 646         if (!row) return;
 647
 648         item = gtk_ctree_node_get_row_data(ctree, row);
 649         if (!item) return;
 650
 651         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 652         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 653         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 654         new = atoi(new_str);
 655         unread = atoi(unread_str);
 656         total = atoi(total_str);
 657
 658         prev_row = row;
 659
 660         folderview_update_node(folderview, row);
 661 }
 662
 663 void folderview_append_item(FolderItem *item)
 664 {
 665         GList *list;
 666
 667         g_return_if_fail(item != NULL);
 668         g_return_if_fail(item->folder != NULL);
 669         if (folder_item_parent(item)) return;
 670
 671         for (list = folderview_list; list != NULL; list = list->next) {
 672                 FolderView *folderview = (FolderView *)list->data;
 673                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 674                 GtkCTreeNode *node, *child;
 675
 676                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 677                                                   folder_item_parent(item));
 678                 if (node) {
 679                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 680                         if (!child) {
 681                                 gchar *text[N_FOLDER_COLS] =
 682                                         {NULL, "0", "0", "0"};
 683
 684                                 gtk_clist_freeze(GTK_CLIST(ctree));
 685
 686                                 text[COL_FOLDER] = item->name;
 687                                 child = gtk_ctree_insert_node
 688                                         (ctree, node, NULL, text,
 689                                          FOLDER_SPACING,
 690                                          folderxpm, folderxpmmask,
 691                                          folderopenxpm, folderopenxpmmask,
 692                                          FALSE, FALSE);
 693                                 gtk_ctree_node_set_row_data(ctree, child, item);
 694                                 gtk_ctree_expand(ctree, node);
 695                                 folderview_update_node(folderview, child);
 696                                 folderview_sort_folders(folderview, node,
 697                                                         item->folder);
 698
 699                                 gtk_clist_thaw(GTK_CLIST(ctree));
 700                         }
 701                 }
 702         }
 703 }
 704
 705 static void folderview_set_folders(FolderView *folderview)
 706 {
 707         GList *list;
 708
 709         list = folder_get_list();
 710
 711         for (; list != NULL; list = list->next)
 712                 folderview_append_folder(folderview, FOLDER(list->data));
 713 }
 714
 715 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 716                                       gpointer data)
 717 {
 718         GList *list;
 719
 720         for (list = folderview_list; list != NULL; list = list->next) {
 721                 FolderView *folderview = (FolderView *)list->data;
 722                 MainWindow *mainwin = folderview->mainwin;
 723                 gchar *str;
 724
 725                 if (item->path)
 726                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 727                                               item->folder->name, G_DIR_SEPARATOR,
 728                                               item->path);
 729                 else
 730                         str = g_strdup_printf(_("Scanning folder %s ..."),
 731                                               item->folder->name);
 732
 733                 STATUSBAR_PUSH(mainwin, str);
 734                 STATUSBAR_POP(mainwin);
 735                 g_free(str);
 736         }
 737 }
 738
 739 static GtkWidget *label_window_create(const gchar *str)
 740 {
 741         GtkWidget *window;
 742         GtkWidget *label;
 743
 744         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 745         gtk_widget_set_size_request(window, 380, 60);
 746         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 747         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 748         gtk_window_set_title(GTK_WINDOW(window), str);
 749         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 750         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 751         manage_window_set_transient(GTK_WINDOW(window));
 752
 753         label = gtk_label_new(str);
 754         gtk_container_add(GTK_CONTAINER(window), label);
 755         gtk_widget_show(label);
 756
 757         gtk_widget_show_now(window);
 758
 759         return window;
 760 }
 761
 762 void folderview_rescan_tree(Folder *folder)
 763 {
 764         GtkWidget *window;
 765
 766         g_return_if_fail(folder != NULL);
 767
 768         if (!folder->klass->scan_tree) return;
 769
 770         inc_lock();
 771         window = label_window_create(_("Rebuilding folder tree..."));
 772
 773         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 774         folder_scan_tree(folder);
 775         folder_set_ui_func(folder, NULL, NULL);
 776
 777         folderview_set_all();
 778
 779         gtk_widget_destroy(window);
 780         inc_unlock();
 781 }
 782
 783 /** folderview_check_new()
 784  *  Scan and update the folder and return the
 785  *  count the number of new messages since last check.
 786  *  \param folder the folder to check for new messages
 787  *  \return the number of new messages since last check
 788  */
 789 gint folderview_check_new(Folder *folder)
 790 {
 791         GList *list;
 792         FolderItem *item;
 793         FolderView *folderview;
 794         GtkCTree *ctree;
 795         GtkCTreeNode *node;
 796         gint new_msgs = 0;
 797         gint former_new_msgs = 0;
 798         gint former_new = 0;
 799
 800         for (list = folderview_list; list != NULL; list = list->next) {
 801                 folderview = (FolderView *)list->data;
 802                 ctree = GTK_CTREE(folderview->ctree);
 803
 804                 inc_lock();
 805                 main_window_lock(folderview->mainwin);
 806                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 807
 808                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 809                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 810                         item = gtk_ctree_node_get_row_data(ctree, node);
 811                         if (!item || !item->path || !item->folder) continue;
 812                         if (item->no_select) continue;
 813                         if (folder && folder != item->folder) continue;
 814                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 815                         if (!item->prefs->newmailcheck) continue;
 816
 817                         folderview_scan_tree_func(item->folder, item, NULL);
 818                         former_new = item->new_msgs;
 819                         if (folder_item_scan(item) < 0) {
 820                                 if (folder && !FOLDER_IS_LOCAL(folder))
 821                                         break;
 822                         }
 823                         folderview_update_node(folderview, node);
 824                         new_msgs += item->new_msgs;
 825                         former_new_msgs += former_new;
 826                 }
 827
 828                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 829                 main_window_unlock(folderview->mainwin);
 830                 inc_unlock();
 831         }
 832
 833         folder_write_list();
 834         /* Number of new messages since last check is the just the difference
 835          * between former_new_msgs and new_msgs. If new_msgs is less than
 836          * former_new_msgs, that would mean another session accessed the folder
 837          * and the result is not well defined.
 838          */
 839         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 840         return new_msgs;
 841 }
 842
 843 void folderview_check_new_all(void)
 844 {
 845         GList *list;
 846         GtkWidget *window;
 847         FolderView *folderview;
 848
 849         folderview = (FolderView *)folderview_list->data;
 850
 851         inc_lock();
 852         main_window_lock(folderview->mainwin);
 853         window = label_window_create
 854                 (_("Checking for new messages in all folders..."));
 855
 856         list = folder_get_list();
 857         for (; list != NULL; list = list->next) {
 858                 Folder *folder = list->data;
 859
 860                 folderview_check_new(folder);
 861         }
 862
 863         folder_write_list();
 864         folderview_set_all();
 865
 866         gtk_widget_destroy(window);
 867         main_window_unlock(folderview->mainwin);
 868         inc_unlock();
 869 }
 870
 871 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 872                                                 GtkCTreeNode *node)
 873 {
 874         FolderItem *item;
 875
 876         if (node) {
 877                 item = gtk_ctree_node_get_row_data(ctree, node);
 878                 if (item) {
 879                         if (item->new_msgs > 0 ||
 880                             (item->stype == F_QUEUE && item->total_msgs > 0))
 881                                 return TRUE;
 882                 }
 883                 node = GTK_CTREE_ROW(node)->children;
 884         } else
 885                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 886
 887         while (node) {
 888                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 889                         return TRUE;
 890                 node = GTK_CTREE_ROW(node)->sibling;
 891         }
 892
 893         return FALSE;
 894 }
 895
 896 static gboolean folderview_have_new_children(FolderView *folderview,
 897                                              GtkCTreeNode *node)
 898 {
 899         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 900
 901         if (!node)
 902                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 903         if (!node)
 904                 return FALSE;
 905
 906         node = GTK_CTREE_ROW(node)->children;
 907
 908         while (node) {
 909                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 910                         return TRUE;
 911                 node = GTK_CTREE_ROW(node)->sibling;
 912         }
 913
 914         return FALSE;
 915 }
 916
 917 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 918                                                    GtkCTreeNode *node)
 919 {
 920         FolderItem *item;
 921
 922         if (node) {
 923                 item = gtk_ctree_node_get_row_data(ctree, node);
 924                 if (item) {
 925                         if (item->unread_msgs > 0 ||
 926                             (item->stype == F_QUEUE && item->total_msgs > 0))
 927                                 return TRUE;
 928                 }
 929                 node = GTK_CTREE_ROW(node)->children;
 930         } else
 931                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 932
 933         while (node) {
 934                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 935                         return TRUE;
 936                 node = GTK_CTREE_ROW(node)->sibling;
 937         }
 938
 939         return FALSE;
 940 }
 941
 942 static gboolean folderview_have_unread_children(FolderView *folderview,
 943                                                 GtkCTreeNode *node)
 944 {
 945         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 946
 947         if (!node)
 948                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 949         if (!node)
 950                 return FALSE;
 951
 952         node = GTK_CTREE_ROW(node)->children;
 953
 954         while (node) {
 955                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 956                         return TRUE;
 957                 node = GTK_CTREE_ROW(node)->sibling;
 958         }
 959
 960         return FALSE;
 961 }
 962
 963 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 964 {
 965         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 966         GtkStyle *style = NULL;
 967         GtkStyle *color_style = NULL;
 968         FolderItem *item;
 969         GdkPixmap *xpm, *openxpm;
 970         GdkBitmap *mask, *openmask;
 971         gchar *name;
 972         gchar *str;
 973         gboolean add_unread_mark;
 974         gboolean use_bold, use_color;
 975
 976         item = gtk_ctree_node_get_row_data(ctree, node);
 977         g_return_if_fail(item != NULL);
 978
 979         switch (item->stype) {
 980         case F_INBOX:
 981                 if (item->hide_read_msgs) {
 982                         xpm = inboxhrmxpm;
 983                         mask = inboxhrmxpmmask;
 984                         openxpm = inboxopenhrmxpm;
 985                         openmask = inboxopenhrmxpmmask;
 986                 } else {
 987                         xpm = inboxxpm;
 988                         mask = inboxxpmmask;
 989                         openxpm = inboxopenxpm;
 990                         openmask = inboxopenxpmmask;
 991                 }
 992                 break;
 993         case F_OUTBOX:
 994                 if (item->hide_read_msgs) {
 995                         xpm = outboxhrmxpm;
 996                         mask = outboxhrmxpmmask;
 997                         openxpm = outboxopenhrmxpm;
 998                         openmask = outboxopenhrmxpmmask;
 999                 } else {
1000                         xpm = outboxxpm;
1001                         mask = outboxxpmmask;
1002                         openxpm = outboxopenxpm;
1003                         openmask = outboxopenxpmmask;
1004                 }
1005                 break;
1006         case F_QUEUE:
1007                 if (item->hide_read_msgs) {
1008                         xpm = queuehrmxpm;
1009                         mask = queuehrmxpmmask;
1010                         openxpm = queueopenhrmxpm;
1011                         openmask = queueopenhrmxpmmask;
1012                 } else {
1013                         xpm = queuexpm;
1014                         mask = queuexpmmask;
1015                         openxpm = queueopenxpm;
1016                         openmask = queueopenxpmmask;
1017                 }
1018                 break;
1019         case F_TRASH:
1020                 if (item->hide_read_msgs) {
1021                         xpm = trashhrmxpm;
1022                         mask = trashhrmxpmmask;
1023                         openxpm = trashopenhrmxpm;
1024                         openmask = trashopenhrmxpmmask;
1025                 } else {
1026                         xpm = trashxpm;
1027                         mask = trashxpmmask;
1028                         openxpm = trashopenxpm;
1029                         openmask = trashopenxpmmask;
1030                 }
1031                 break;
1032         case F_DRAFT:
1033                 xpm = draftsxpm;
1034                 mask = draftsxpmmask;
1035                 openxpm = draftsopenxpm;
1036                 openmask = draftsopenxpmmask;
1037                 break;
1038         default:
1039                 if (item->hide_read_msgs) {
1040                         xpm = folderhrmxpm;
1041                         mask = folderhrmxpmmask;
1042                         openxpm = folderopenhrmxpm;
1043                         openmask = folderopenhrmxpmmask;
1044                 } else {
1045                         xpm = folderxpm;
1046                         mask = folderxpmmask;
1047                         openxpm = folderopenxpm;
1048                         openmask = folderopenxpmmask;
1049                 }
1050         }
1051         name = folder_item_get_name(item);
1052
1053         if (!GTK_CTREE_ROW(node)->expanded &&
1054             folderview_have_unread_children(folderview, node))
1055                 add_unread_mark = TRUE;
1056         else
1057                 add_unread_mark = FALSE;
1058
1059         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1060             prefs_common.display_folder_unread) {
1061                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1062                                       add_unread_mark ? "+" : "");
1063                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1064                                         xpm, mask, openxpm, openmask,
1065                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1066                 g_free(str);
1067         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1068                  prefs_common.display_folder_unread) {
1069
1070                 if (item->unread_msgs > 0)
1071                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1072                                               add_unread_mark ? "+" : "",
1073                                               item->unreadmarked_msgs > 0 ? "!":"");
1074                 else
1075                         str = g_strdup_printf("%s (+)", name);
1076                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1077                                         xpm, mask, openxpm, openmask,
1078                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1079                 g_free(str);
1080         } else {
1081                 str = g_strdup_printf("%s%s", name,
1082                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1083
1084                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1085                                         xpm, mask, openxpm, openmask,
1086                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1087                 g_free(str);
1088         }
1089         g_free(name);
1090
1091         if (!folder_item_parent(item)) {
1092                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1093                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1094                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1095         } else {
1096                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1097                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1098                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1099         }
1100
1101         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1102             item->stype == F_TRASH) {
1103                 use_bold = use_color = FALSE;
1104         } else if (item->stype == F_QUEUE) {
1105                 /* highlight queue folder if there are any messages */
1106                 use_bold = use_color = (item->total_msgs > 0);
1107         } else {
1108                 /* if unread messages exist, print with bold font */
1109                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1110                 /* if new messages exist, print with colored letter */
1111                 use_color =
1112                         (item->new_msgs > 0) ||
1113                         (add_unread_mark &&
1114                          folderview_have_new_children(folderview, node));
1115         }
1116
1117         gtk_ctree_node_set_foreground(ctree, node, NULL);
1118
1119         if (use_bold) {
1120                 if (item->prefs->color > 0 && !use_color) {
1121                         GdkColor gdk_color;
1122
1123                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1124                         color_style = gtk_style_copy(bold_style);
1125                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1126                         style = color_style;
1127                 } else if (use_color)
1128                         style = bold_color_style;
1129                 else
1130                         style = bold_style;
1131                 if (item->op_count > 0) {
1132                         style = bold_tgtfold_style;
1133                 }
1134         } else if (use_color) {
1135                 style = normal_color_style;
1136                 gtk_ctree_node_set_foreground(ctree, node,
1137                                               &folderview->color_new);
1138         } else if (item->op_count > 0) {
1139                 style = bold_tgtfold_style;
1140         } else if (item->prefs->color > 0) {
1141                 GdkColor gdk_color;
1142
1143                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1144                 color_style = gtk_style_copy(normal_style);
1145                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1146                 style = color_style;
1147         } else {
1148                 style = normal_style;
1149         }
1150
1151         gtk_ctree_node_set_row_style(ctree, node, style);
1152
1153         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1154                 folderview_update_node(folderview, node);
1155 }
1156
1157 #if !CLAWS /* keep it here for syncs */
1158 void folderview_update_item(FolderItem *item, gboolean update_summary)
1159 {
1160         GList *list;
1161         FolderView *folderview;
1162         GtkCTree *ctree;
1163         GtkCTreeNode *node;
1164
1165         g_return_if_fail(item != NULL);
1166
1167         for (list = folderview_list; list != NULL; list = list->next) {
1168                 folderview = (FolderView *)list->data;
1169                 ctree = GTK_CTREE(folderview->ctree);
1170
1171                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1172                 if (node) {
1173                         folderview_update_node(folderview, node);
1174                         if (update_summary && folderview->opened == node)
1175                                 summary_show(folderview->summaryview,
1176                                              item, FALSE);
1177                 }
1178         }
1179 }
1180 #endif
1181
1182 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1183 {
1184         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1185         FolderView *folderview = (FolderView *)data;
1186         GtkCTree *ctree;
1187         GtkCTreeNode *node;
1188
1189         g_return_val_if_fail(update_info != NULL, TRUE);
1190         g_return_val_if_fail(update_info->item != NULL, TRUE);
1191         g_return_val_if_fail(folderview != NULL, FALSE);
1192
1193         ctree = GTK_CTREE(folderview->ctree);
1194
1195         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1196         if (node) {
1197                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1198                         folderview_update_node(folderview, node);
1199                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1200                         summary_show(folderview->summaryview, update_info->item);
1201         }
1202
1203         return FALSE;
1204 }
1205
1206 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1207                                                 gpointer data)
1208 {
1209         /* CLAWS: share this joy with other hook functions ... */
1210         folder_item_update((FolderItem *)key,
1211                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1212 }
1213
1214 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1215 {
1216         GList *list;
1217         FolderItemUpdateFlags flags;
1218
1219         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1220                 : 0;
1221         for (list = folderview_list; list != NULL; list = list->next)
1222                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1223                                      GINT_TO_POINTER(flags));
1224 }
1225
1226 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1227                                       GNode *gnode, GtkCTreeNode *cnode,
1228                                       gpointer data)
1229 {
1230         FolderView *folderview = (FolderView *)data;
1231         FolderItem *item = FOLDER_ITEM(gnode->data);
1232
1233         g_return_val_if_fail(item != NULL, FALSE);
1234
1235         gtk_ctree_node_set_row_data(ctree, cnode, item);
1236         folderview_update_node(folderview, cnode);
1237
1238         return TRUE;
1239 }
1240
1241 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1242                                    gpointer data)
1243 {
1244         FolderView *folderview = (FolderView *)data;
1245         FolderItem *item;
1246
1247         if (GTK_CTREE_ROW(node)->children) {
1248                 item = gtk_ctree_node_get_row_data(ctree, node);
1249                 g_return_if_fail(item != NULL);
1250
1251                 if (!item->collapsed)
1252                         gtk_ctree_expand(ctree, node);
1253                 else
1254                         folderview_update_node(folderview, node);
1255         }
1256 }
1257
1258 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1259                                GtkCTreeNode *root, GtkCTreeNode **prev)
1260 {
1261         if (item) {
1262                 GtkCTreeNode *node, *parent, *sibling;
1263
1264                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1265                 if (!node)
1266                         g_warning("%s not found.\n", item->path);
1267                 else {
1268                         parent = GTK_CTREE_ROW(node)->parent;
1269                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1270                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1271                         else
1272                                 sibling = GTK_CTREE_ROW(parent)->children;
1273                         while (sibling) {
1274                                 FolderItem *tmp;
1275
1276                                 tmp = gtk_ctree_node_get_row_data
1277                                         (ctree, sibling);
1278                                 if (tmp->stype != F_NORMAL)
1279                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1280                                 else
1281                                         break;
1282                         }
1283                         if (node != sibling)
1284                                 gtk_ctree_move(ctree, node, parent, sibling);
1285                 }
1286
1287                 *prev = node;
1288         }
1289 }
1290
1291 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1292                                     Folder *folder)
1293 {
1294         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1295         GtkCTreeNode *prev = NULL;
1296
1297         gtk_sctree_sort_recursive(ctree, root);
1298
1299         if (root && GTK_CTREE_ROW(root)->parent) return;
1300
1301         set_special_folder(ctree, folder->inbox, root, &prev);
1302         set_special_folder(ctree, folder->outbox, root, &prev);
1303         set_special_folder(ctree, folder->draft, root, &prev);
1304         set_special_folder(ctree, folder->queue, root, &prev);
1305         set_special_folder(ctree, folder->trash, root, &prev);
1306 }
1307
1308 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1309 {
1310         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1311         GtkCTreeNode *root;
1312
1313         g_return_if_fail(folder != NULL);
1314
1315         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1316                                       folderview_gnode_func, folderview);
1317         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1318                                 folderview);
1319         folderview_sort_folders(folderview, root, folder);
1320 }
1321
1322 /* callback functions */
1323
1324 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1325                                           FolderView *folderview)
1326 {
1327         GtkCList *clist = GTK_CLIST(ctree);
1328         gint prev_row = -1, row = -1, column = -1;
1329         FolderItem *item;
1330         Folder *folder;
1331         FolderViewPopup *fpopup;
1332         GtkItemFactory *fpopup_factory;
1333         GtkWidget *popup;
1334
1335         if (!event) return FALSE;
1336
1337         if (event->button == 1) {
1338                 folderview->open_folder = TRUE;
1339                 return FALSE;
1340         }
1341
1342         if (event->button == 2 || event->button == 3) {
1343                 /* right clicked */
1344                 if (clist->selection) {
1345                         GtkCTreeNode *node;
1346
1347                         node = GTK_CTREE_NODE(clist->selection->data);
1348                         if (node)
1349                                 prev_row = gtkut_ctree_get_nth_from_node
1350                                         (GTK_CTREE(ctree), node);
1351                 }
1352
1353                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1354                                                   &row, &column))
1355                         return FALSE;
1356                 if (prev_row != row) {
1357                         gtk_clist_unselect_all(clist);
1358                         if (event->button == 2)
1359                                 folderview_select_node
1360                                         (folderview,
1361                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1362                                                             row));
1363                         else
1364                                 gtk_clist_select_row(clist, row, column);
1365                 }
1366         }
1367
1368         if (event->button != 3) return FALSE;
1369
1370         item = gtk_clist_get_row_data(clist, row);
1371         g_return_val_if_fail(item != NULL, FALSE);
1372         g_return_val_if_fail(item->folder != NULL, FALSE);
1373         folder = item->folder;
1374
1375         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1376         if (fpopup != NULL)
1377                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1378         else {
1379                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1380                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1381         }
1382
1383         if (fpopup->set_sensitivity != NULL)
1384                 fpopup->set_sensitivity(fpopup_factory, item);
1385
1386 #define SET_SENS(name, sens) \
1387         menu_set_sensitive(fpopup_factory, name, sens)
1388
1389         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1390         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1391                  folderview->selected == folderview->opened);
1392         SET_SENS("/Properties...", TRUE);
1393         SET_SENS("/Processing...", item->node->parent != NULL);
1394
1395 #undef SET_SENS
1396
1397         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1398         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1399                        event->button, event->time);
1400
1401         return FALSE;
1402 }
1403
1404 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1405                                            FolderView *folderview)
1406 {
1407         if (!event) return FALSE;
1408
1409         if (event->button == 1 && folderview->open_folder == FALSE &&
1410             folderview->opened != NULL) {
1411                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1412                                           folderview->opened);
1413                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1414         }
1415
1416         return FALSE;
1417 }
1418
1419 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1420                                        FolderView *folderview)
1421 {
1422         if (!event) return FALSE;
1423
1424         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1425                 return FALSE;
1426
1427         switch (event->keyval) {
1428         case GDK_Return:
1429                 if (folderview->selected) {
1430                         folderview_select_node(folderview,
1431                                                folderview->selected);
1432                 }
1433                 break;
1434         case GDK_space:
1435                 if (folderview->selected) {
1436                         if (folderview->opened == folderview->selected &&
1437                             (!folderview->summaryview->folder_item ||
1438                              folderview->summaryview->folder_item->total_msgs == 0))
1439                                 folderview_select_next_unread(folderview);
1440                         else
1441                                 folderview_select_node(folderview,
1442                                                        folderview->selected);
1443                 }
1444                 break;
1445         default:
1446                 break;
1447         }
1448
1449         return FALSE;
1450 }
1451
1452 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1453                                 gint column, FolderView *folderview)
1454 {
1455         static gboolean can_select = TRUE;      /* exclusive lock */
1456         gboolean opened;
1457         FolderItem *item;
1458         gchar *buf;
1459
1460         folderview->selected = row;
1461
1462         if (folderview->opened == row) {
1463                 folderview->open_folder = FALSE;
1464                 return;
1465         }
1466
1467         if (!can_select || summary_is_locked(folderview->summaryview)) {
1468                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1469                 gtk_ctree_select(ctree, folderview->opened);
1470                 return;
1471         }
1472
1473         if (!folderview->open_folder) return;
1474
1475         item = gtk_ctree_node_get_row_data(ctree, row);
1476         if (!item) return;
1477
1478         can_select = FALSE;
1479
1480         /* Save cache for old folder */
1481         /* We don't want to lose all caches if sylpheed crashed */
1482         if (folderview->opened) {
1483                 FolderItem *olditem;
1484
1485                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1486                 if (olditem) {
1487                         /* will be null if we just moved the previously opened folder */
1488                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1489                         folder_item_close(olditem);
1490                 }
1491         }
1492
1493         /* CLAWS: set compose button type: news folder items
1494          * always have a news folder as parent */
1495         if (item->folder)
1496                 toolbar_set_compose_button
1497                         (folderview->mainwin->toolbar,
1498                          FOLDER_TYPE(item->folder) == F_NEWS ?
1499                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1500
1501         if (item->path)
1502                 debug_print("Folder %s is selected\n", item->path);
1503
1504         if (!GTK_CTREE_ROW(row)->children)
1505                 gtk_ctree_expand(ctree, row);
1506         if (folderview->opened &&
1507             !GTK_CTREE_ROW(folderview->opened)->children)
1508                 gtk_ctree_collapse(ctree, folderview->opened);
1509
1510         /* ungrab the mouse event */
1511         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1512                 gtk_grab_remove(GTK_WIDGET(ctree));
1513                 if (gdk_pointer_is_grabbed())
1514                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1515         }
1516
1517         /* Open Folder */
1518         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1519                                         item->path : "(null)");
1520         debug_print("%s\n", buf);
1521         STATUSBAR_PUSH(folderview->mainwin, buf);
1522         g_free(buf);
1523
1524         main_window_cursor_wait(folderview->mainwin);
1525
1526         if (folder_item_open(item) != 0) {
1527                 main_window_cursor_normal(folderview->mainwin);
1528                 STATUSBAR_POP(folderview->mainwin);
1529
1530                 alertpanel_error(_("Folder could not be opened."));
1531
1532                 folderview->open_folder = FALSE;
1533                 can_select = TRUE;
1534
1535                 return;
1536         }
1537
1538         main_window_cursor_normal(folderview->mainwin);
1539
1540         /* Show messages */
1541         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1542         opened = summary_show(folderview->summaryview, item);
1543
1544         folder_clean_cache_memory();
1545
1546         if (!opened) {
1547                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1548                 gtk_ctree_select(ctree, folderview->opened);
1549         } else {
1550                 folderview->opened = row;
1551                 if (gtk_ctree_node_is_visible(ctree, row)
1552                     != GTK_VISIBILITY_FULL)
1553                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1554         }
1555
1556         STATUSBAR_POP(folderview->mainwin);
1557
1558         folderview->open_folder = FALSE;
1559         can_select = TRUE;
1560 }
1561
1562 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1563                                      FolderView *folderview)
1564 {
1565         FolderItem *item;
1566
1567         item = gtk_ctree_node_get_row_data(ctree, node);
1568         g_return_if_fail(item != NULL);
1569         item->collapsed = FALSE;
1570         folderview_update_node(folderview, node);
1571 }
1572
1573 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1574                                       FolderView *folderview)
1575 {
1576         FolderItem *item;
1577
1578         item = gtk_ctree_node_get_row_data(ctree, node);
1579         g_return_if_fail(item != NULL);
1580         item->collapsed = TRUE;
1581         folderview_update_node(folderview, node);
1582 }
1583
1584 static void folderview_popup_close(GtkMenuShell *menu_shell,
1585                                    FolderView *folderview)
1586 {
1587         if (!folderview->opened) return;
1588
1589         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1590                                   folderview->opened);
1591         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1592 }
1593
1594 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1595                                    FolderView *folderview)
1596 {
1597         switch (column) {
1598         case COL_FOLDER:
1599                 prefs_common.folder_col_folder = width;
1600                 break;
1601         case COL_NEW:
1602                 prefs_common.folder_col_new = width;
1603                 break;
1604         case COL_UNREAD:
1605                 prefs_common.folder_col_unread = width;
1606                 break;
1607         case COL_TOTAL:
1608                 prefs_common.folder_col_total = width;
1609                 break;
1610         default:
1611                 break;
1612         }
1613 }
1614
1615 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1616 {
1617         GNode *srcnode;
1618
1619         folderview_create_folder_node(folderview, item);
1620
1621         srcnode = item->folder->node;
1622         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1623         srcnode = srcnode->children;
1624         while (srcnode != NULL) {
1625                 if (srcnode && srcnode->data) {
1626                         FolderItem *next_item = (FolderItem*) srcnode->data;
1627                         folderview_create_folder_node_recursive(folderview, next_item);
1628                 }
1629                 srcnode = srcnode->next;
1630         }
1631 }
1632
1633 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1634 {
1635         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1636         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1637         GtkCTreeNode *node, *parent_node;
1638
1639         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1640         if (parent_node == NULL)
1641                 return;
1642
1643         gtk_clist_freeze(GTK_CLIST(ctree));
1644
1645         text[COL_FOLDER] = item->name;
1646         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1647                                      FOLDER_SPACING,
1648                                      folderxpm, folderxpmmask,
1649                                      folderopenxpm, folderopenxpmmask,
1650                                      FALSE, FALSE);
1651         gtk_ctree_expand(ctree, parent_node);
1652         gtk_ctree_node_set_row_data(ctree, node, item);
1653         if (normal_style)
1654                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1655         folderview_sort_folders(folderview, folderview->selected, item->folder);
1656
1657         gtk_clist_thaw(GTK_CLIST(ctree));
1658 }
1659
1660 static void folderview_search_cb(FolderView *folderview, guint action,
1661                                  GtkWidget *widget)
1662 {
1663         summary_search(folderview->summaryview);
1664 }
1665
1666 static void folderview_property_cb(FolderView *folderview, guint action,
1667                                    GtkWidget *widget)
1668 {
1669         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1670         FolderItem *item;
1671
1672         if (!folderview->selected) return;
1673
1674         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1675         g_return_if_fail(item != NULL);
1676         g_return_if_fail(item->folder != NULL);
1677
1678         if (folder_item_parent(item) == NULL && item->folder->account)
1679                 account_open(item->folder->account);
1680         else {
1681                 prefs_folder_item_open(item);
1682         }
1683 }
1684
1685 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1686 {
1687         GSList *list = NULL;
1688         GSList *done = NULL;
1689         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1690
1691         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1692                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1693                 &&  list->data != node) {
1694                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1695                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1696                 }
1697         }
1698         for (list = done; list != NULL; list = g_slist_next(list)) {
1699                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1700                                                                  list->data);
1701         }
1702         g_slist_free(done);
1703 }
1704
1705 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1706                             FolderItem *to_folder)
1707 {
1708         FolderItem *from_parent = NULL;
1709         FolderItem *new_folder = NULL;
1710         GtkCTreeNode *src_node = NULL;
1711         gchar *buf;
1712         gint status;
1713
1714         g_return_if_fail(folderview != NULL);
1715         g_return_if_fail(from_folder != NULL);
1716         g_return_if_fail(to_folder != NULL);
1717
1718         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1719         from_parent = folder_item_parent(from_folder);
1720         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1721         STATUSBAR_PUSH(folderview->mainwin, buf);
1722         g_free(buf);
1723         summary_clear_all(folderview->summaryview);
1724         folderview->opened = NULL;
1725         folderview->selected = NULL;
1726         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1727         inc_lock();
1728         main_window_cursor_wait(folderview->mainwin);
1729         statusbar_verbosity_set(TRUE);
1730         folder_item_update_freeze();
1731         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1732                 statusbar_verbosity_set(FALSE);
1733                 main_window_cursor_normal(folderview->mainwin);
1734                 STATUSBAR_POP(folderview->mainwin);
1735                 folder_item_update_thaw();
1736                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1737
1738                 folderview_sort_folders(folderview,
1739                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1740                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1741                 folderview_select(folderview, new_folder);
1742         } else {
1743                 statusbar_verbosity_set(FALSE);
1744                 main_window_cursor_normal(folderview->mainwin);
1745                 STATUSBAR_POP(folderview->mainwin);
1746                 folder_item_update_thaw();
1747                 switch (status) {
1748                 case F_MOVE_FAILED_DEST_IS_PARENT:
1749                         alertpanel_error(_("Source and destination are the same."));
1750                         break;
1751                 case F_MOVE_FAILED_DEST_IS_CHILD:
1752                         alertpanel_error(_("Can't move a folder to one of its children."));
1753                         break;
1754                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1755                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1756                         break;
1757                 default:
1758                         alertpanel_error(_("Move failed!"));
1759                         break;
1760                 }
1761         }
1762         inc_unlock();
1763         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1764 }
1765
1766 static gint folderview_clist_compare(GtkCList *clist,
1767                                      gconstpointer ptr1, gconstpointer ptr2)
1768 {
1769         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1770         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1771
1772         if (!item1->name)
1773                 return (item2->name != NULL);
1774         if (!item2->name)
1775                 return -1;
1776
1777         return g_strcasecmp(item1->name, item2->name);
1778 }
1779
1780 static void folderview_processing_cb(FolderView *folderview, guint action,
1781                                      GtkWidget *widget)
1782 {
1783         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1784         FolderItem *item;
1785
1786         if (!folderview->selected) return;
1787
1788         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1789         g_return_if_fail(item != NULL);
1790         g_return_if_fail(item->folder != NULL);
1791
1792         prefs_filtering_open(&item->prefs->processing,
1793                              _("Processing configuration"), NULL, NULL);
1794 }
1795
1796 void folderview_set_target_folder_color(gint color_op)
1797 {
1798         gint firstone = 1;
1799         GList *list;
1800         FolderView *folderview;
1801
1802         for (list = folderview_list; list != NULL; list = list->next) {
1803                 folderview = (FolderView *)list->data;
1804                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1805                 if (firstone) {
1806                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1807                                 folderview->color_op;
1808                         firstone = 0;
1809                 }
1810         }
1811 }
1812
1813 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1814 {
1815         folderview_init(folderview);
1816         folderview_set_all();
1817 }
1818
1819 static void drag_state_stop(FolderView *folderview)
1820 {
1821         if (folderview->drag_timer)
1822                 gtk_timeout_remove(folderview->drag_timer);
1823         folderview->drag_timer = 0;
1824         folderview->drag_node = NULL;
1825 }
1826
1827 static gint folderview_defer_expand(FolderView *folderview)
1828 {
1829         if (folderview->drag_node) {
1830                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1831                 if (folderview->drag_item->collapsed) {
1832                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1833                         folderview->nodes_to_recollapse = g_slist_append
1834                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1835                 }
1836         }
1837         folderview->drag_item  = NULL;
1838         folderview->drag_timer = 0;
1839         return FALSE;
1840 }
1841
1842 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1843 {
1844         /* the idea is that we call drag_state_start() whenever we want expansion to
1845          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
1846          * we need to call drag_state_stop() */
1847         drag_state_stop(folderview);
1848         /* request expansion */
1849         if (0 != (folderview->drag_timer = gtk_timeout_add
1850                         (prefs_common.hover_timeout,
1851                          (GtkFunction)folderview_defer_expand,
1852                          folderview))) {
1853                 folderview->drag_node = node;
1854                 folderview->drag_item = item;
1855         }
1856 }
1857
1858 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
1859                                   FolderView       *folderview)
1860 {
1861         GdkDragContext *context;
1862
1863         g_return_if_fail(folderview != NULL);
1864         if (folderview->selected == NULL) return;
1865         if (folderview->nodes_to_recollapse)
1866                 g_slist_free(folderview->nodes_to_recollapse);
1867         folderview->nodes_to_recollapse = NULL;
1868         context = gtk_drag_begin(widget, folderview->target_list,
1869                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
1870         gtk_drag_set_icon_default(context);
1871 }
1872
1873 static void folderview_drag_data_get(GtkWidget        *widget,
1874                                      GdkDragContext   *drag_context,
1875                                      GtkSelectionData *selection_data,
1876                                      guint             info,
1877                                      guint             time,
1878                                      FolderView       *folderview)
1879 {
1880         FolderItem *item;
1881         GList *cur;
1882         gchar *source = NULL;
1883
1884         for (cur = GTK_CLIST(folderview->ctree)->selection;
1885              cur != NULL; cur = cur->next) {
1886                 item = gtk_ctree_node_get_row_data
1887                         (GTK_CTREE(folderview->ctree),
1888                          GTK_CTREE_NODE(cur->data));
1889                 if (item) {
1890                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
1891                         gtk_selection_data_set(selection_data,
1892                                                selection_data->target, 8,
1893                                                source, strlen(source));
1894                         break;
1895                 } else
1896                         return;
1897         }
1898 }
1899
1900 gboolean folderview_update_folder(gpointer source, gpointer userdata)
1901 {
1902         FolderUpdateData *hookdata;
1903         FolderView *folderview;
1904         GtkWidget *ctree;
1905
1906         hookdata = source;
1907         folderview = (FolderView *) userdata;
1908         g_return_val_if_fail(hookdata != NULL, FALSE);
1909         g_return_val_if_fail(folderview != NULL, FALSE);
1910
1911         ctree = folderview->ctree;
1912         g_return_val_if_fail(ctree != NULL, FALSE);
1913
1914         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
1915                 folderview_create_folder_node(folderview, hookdata->item);
1916         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
1917                 GtkCTreeNode *node;
1918
1919                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
1920                 if (node != NULL)
1921                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
1922         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
1923                 folderview_set(folderview);
1924
1925         return FALSE;
1926 }
1927
1928 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1929                                           GdkDragContext *context,
1930                                           gint            x,
1931                                           gint            y,
1932                                           guint           time,
1933                                           FolderView     *folderview)
1934 {
1935         gint row, column;
1936         FolderItem *item, *src_item = NULL;
1937         GtkCTreeNode *node = NULL;
1938         gboolean acceptable = FALSE;
1939         gint height = folderview->ctree->allocation.height;
1940         gint total_height = folderview->ctree->requisition.height;
1941         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
1942                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1943         gfloat vpos = pos->value;
1944
1945         if (gtk_clist_get_selection_info
1946                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
1947                 GtkWidget *srcwidget;
1948
1949                 if (y > height - 24 && height + vpos < total_height)
1950                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
1951
1952                 if (y < 24 && y > 0)
1953                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
1954
1955                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1956                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1957                 src_item = folderview->summaryview->folder_item;
1958
1959                 srcwidget = gtk_drag_get_source_widget(context);
1960                 if (srcwidget == folderview->summaryview->ctree) {
1961                         /* comes from summaryview */
1962                         /* we are copying messages, so only accept folder items that are not
1963                            the source item, are no root items and can copy messages */
1964                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
1965                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
1966                                 acceptable = TRUE;
1967                 } else if (srcwidget == folderview->ctree) {
1968                         /* comes from folderview */
1969                         /* we are moving folder items, only accept folders that are not
1970                            the source items and can copy messages and create folder items */
1971                         if (item && item->folder && src_item && src_item != item &&
1972                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
1973                             FOLDER_CLASS(item->folder)->create_folder != NULL)
1974                                 acceptable = TRUE;
1975                 }
1976         }
1977
1978         if (acceptable || (src_item && src_item == item))
1979                 drag_state_start(folderview, node, item);
1980
1981         if (acceptable) {
1982                 g_signal_handlers_block_by_func
1983                         (G_OBJECT(widget),
1984                          G_CALLBACK(folderview_selected), folderview);
1985                 gtk_ctree_select(GTK_CTREE(widget), node);
1986                 g_signal_handlers_unblock_by_func
1987                         (G_OBJECT(widget),
1988                          G_CALLBACK(folderview_selected), folderview);
1989                 gdk_drag_status(context,
1990                                         (context->actions == GDK_ACTION_COPY ?
1991                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
1992         } else {
1993                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1994                 gdk_drag_status(context, 0, time);
1995         }
1996
1997         return acceptable;
1998 }
1999
2000 static void folderview_drag_leave_cb(GtkWidget      *widget,
2001                                      GdkDragContext *context,
2002                                      guint           time,
2003                                      FolderView     *folderview)
2004 {
2005         drag_state_stop(folderview);
2006         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2007 }
2008
2009 static void folderview_drag_received_cb(GtkWidget        *widget,
2010                                         GdkDragContext   *drag_context,
2011                                         gint              x,
2012                                         gint              y,
2013                                         GtkSelectionData *data,
2014                                         guint             info,
2015                                         guint             time,
2016                                         FolderView       *folderview)
2017 {
2018         gint row, column;
2019         FolderItem *item, *src_item;
2020         GtkCTreeNode *node;
2021
2022         drag_state_stop(folderview);
2023         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2024                 /* comes from summaryview */
2025                 if (gtk_clist_get_selection_info
2026                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2027                         return;
2028
2029                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2030                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2031                 src_item = folderview->summaryview->folder_item;
2032
2033                 /* re-check (due to acceptable possibly set for folder moves */
2034                 if (!(item && item->folder && item->path &&
2035                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2036                         return;
2037                 }
2038                 if (item && src_item) {
2039                         switch (drag_context->action) {
2040                         case GDK_ACTION_COPY:
2041                                 summary_copy_selected_to(folderview->summaryview, item);
2042                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2043                                 break;
2044                         case GDK_ACTION_MOVE:
2045                         case GDK_ACTION_DEFAULT:
2046                         default:
2047                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2048                                         summary_copy_selected_to(folderview->summaryview, item);
2049                                 else
2050                                         summary_move_selected_to(folderview->summaryview, item);
2051                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2052                         }
2053                 } else
2054                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2055         } else {
2056                 /* comes from folderview */
2057                 char *source;
2058
2059                 source = data->data + 17;
2060                 if (gtk_clist_get_selection_info
2061                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2062                     || *source == 0) {
2063                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2064                         return;
2065                 }
2066                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2067                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2068                 src_item = folder_find_item_from_identifier(source);
2069
2070                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2071                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2072                         return;
2073                 }
2074
2075                 folderview_move_folder(folderview, src_item, item);
2076                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2077         }
2078         folderview->nodes_to_recollapse = NULL;
2079 }
2080
2081 static void folderview_drag_end_cb(GtkWidget        *widget,
2082                                    GdkDragContext   *drag_context,
2083                                    FolderView       *folderview)
2084 {
2085         drag_state_stop(folderview);
2086         g_slist_free(folderview->nodes_to_recollapse);
2087         folderview->nodes_to_recollapse = NULL;
2088 }
2089
2090 FolderItem *folderview_get_selected(FolderView *folderview)
2091 {
2092         return (FolderItem *) gtk_ctree_node_get_row_data(
2093                 GTK_CTREE(folderview->ctree), folderview->selected);
2094 }
2095
2096 void folderview_register_popup(FolderViewPopup *fpopup)
2097 {
2098         GList *folderviews;
2099
2100         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2101                 FolderView *folderview = folderviews->data;
2102                 GtkItemFactory *factory;
2103
2104                 factory = create_ifactory(folderview, fpopup);
2105                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2106         }
2107         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2108 }
2109
2110 void folderview_unregister_popup(FolderViewPopup *fpopup)
2111 {
2112         GList *folderviews;
2113
2114         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2115                 FolderView *folderview = folderviews->data;
2116
2117                 g_hash_table_remove(folderview->popups, fpopup->klass);
2118         }
2119         g_hash_table_remove(folderview_popups, fpopup->klass);
2120 }