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 #include "partial_download.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *readxpm;
 132 static GdkBitmap *readxpmmask;
 133 static GdkPixmap *draftsxpm;
 134 static GdkBitmap *draftsxpmmask;
 135 static GdkPixmap *draftsopenxpm;
 136 static GdkBitmap *draftsopenxpmmask;
 137
 138 static void folderview_select_node       (FolderView    *folderview,
 139                                           GtkCTreeNode  *node);
 140 static void folderview_set_folders       (FolderView    *folderview);
 141 static void folderview_sort_folders      (FolderView    *folderview,
 142                                           GtkCTreeNode  *root,
 143                                           Folder        *folder);
 144 static void folderview_append_folder     (FolderView    *folderview,
 145                                           Folder        *folder);
 146 static void folderview_update_node       (FolderView    *folderview,
 147                                           GtkCTreeNode  *node);
 148
 149 static gint folderview_clist_compare    (GtkCList       *clist,
 150                                          gconstpointer   ptr1,
 151                                          gconstpointer   ptr2);
 152
 153 /* callback functions */
 154 static void folderview_button_pressed   (GtkWidget      *ctree,
 155                                          GdkEventButton *event,
 156                                          FolderView     *folderview);
 157 static void folderview_button_released  (GtkWidget      *ctree,
 158                                          GdkEventButton *event,
 159                                          FolderView     *folderview);
 160 static void folderview_key_pressed      (GtkWidget      *widget,
 161                                          GdkEventKey    *event,
 162                                          FolderView     *folderview);
 163 static void folderview_selected         (GtkCTree       *ctree,
 164                                          GtkCTreeNode   *row,
 165                                          gint            column,
 166                                          FolderView     *folderview);
 167 static void folderview_tree_expanded    (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *node,
 169                                          FolderView     *folderview);
 170 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *node,
 172                                          FolderView     *folderview);
 173 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 174                                          FolderView     *folderview);
 175 static void folderview_col_resized      (GtkCList       *clist,
 176                                          gint            column,
 177                                          gint            width,
 178                                          FolderView     *folderview);
 179
 180 static void mark_all_read_cb            (FolderView    *folderview,
 181                                          guint           action,
 182                                          GtkWidget      *widget);
 183
 184 static void folderview_empty_trash_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void folderview_search_cb        (FolderView     *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191
 192 static void folderview_property_cb      (FolderView     *folderview,
 193                                          guint           action,
 194                                          GtkWidget      *widget);
 195
 196 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 197                                           GdkDragContext *context,
 198                                           gint            x,
 199                                           gint            y,
 200                                           guint           time,
 201                                           FolderView     *folderview);
 202 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 203                                           GdkDragContext   *context,
 204                                           guint             time,
 205                                           FolderView       *folderview);
 206 static void folderview_drag_received_cb  (GtkWidget        *widget,
 207                                           GdkDragContext   *drag_context,
 208                                           gint              x,
 209                                           gint              y,
 210                                           GtkSelectionData *data,
 211                                           guint             info,
 212                                           guint             time,
 213                                           FolderView       *folderview);
 214 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 215                                           FolderView       *folderview);
 216 static void folderview_drag_data_get     (GtkWidget        *widget,
 217                                           GdkDragContext   *drag_context,
 218                                           GtkSelectionData *selection_data,
 219                                           guint             info,
 220                                           guint             time,
 221                                           FolderView       *folderview);
 222 static void folderview_drag_end_cb       (GtkWidget        *widget,
 223                                           GdkDragContext   *drag_context,
 224                                           FolderView       *folderview);
 225
 226 void folderview_create_folder_node       (FolderView       *folderview,
 227                                           FolderItem       *item);
 228 gboolean folderview_update_folder        (gpointer          source,
 229                                           gpointer          userdata);
 230 gboolean folderview_update_item_claws    (gpointer          source,
 231                                           gpointer          data);
 232 static void folderview_processing_cb(FolderView *folderview, guint action,
 233                                      GtkWidget *widget);
 234
 235 GHashTable *folderview_popups;
 236
 237 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 238 {
 239         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 240         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 241         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 242         {N_("/Pr_ocessing..."),         NULL, folderview_processing_cb, 0, NULL},
 243 };
 244
 245 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 246         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 247         {N_("/Empty trash..."),         NULL, folderview_empty_trash_cb, 0, NULL},
 248 };
 249
 250
 251 GtkTargetEntry folderview_drag_types[] =
 252 {
 253         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 254 };
 255
 256 void folderview_initialize(void)
 257 {
 258         FolderViewPopup *fpopup;
 259         guint i, n_entries;
 260         GSList *entries = NULL;
 261
 262         fpopup = g_new0(FolderViewPopup, 1);
 263
 264         n_entries = sizeof(folderview_common_popup_entries) /
 265                 sizeof(folderview_common_popup_entries[0]);
 266         for (i = 0; i < n_entries; i++)
 267                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 268
 269         fpopup->klass = "common";
 270         fpopup->path = "<CommonFolder>";
 271         fpopup->entries = entries;
 272         fpopup->set_sensitivity = NULL;
 273
 274         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 275         g_hash_table_insert(folderview_popups, "common", fpopup);
 276 }
 277
 278 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 279 {
 280         GSList *entries;
 281         GtkItemFactory *factory;
 282         FolderViewPopup *fpopup_common;
 283         GtkWidget *popup;
 284
 285         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 286         gtk_item_factory_set_translate_func(factory, menu_translate,
 287                                             NULL, NULL);
 288
 289         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 290                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 291
 292         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 293         if (fpopup_common != fpopup)
 294                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 295                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 296
 297         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 298         gtk_signal_connect(GTK_OBJECT(popup), "selection_done",
 299                            GTK_SIGNAL_FUNC(folderview_popup_close),
 300                            folderview);
 301
 302         return factory;
 303 }
 304
 305 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 306 {
 307         FolderView *folderview = data;
 308         FolderViewPopup *fpopup = value;
 309         GtkItemFactory *factory;
 310
 311         factory = create_ifactory(folderview, fpopup);
 312         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 313 }
 314
 315 FolderView *folderview_create(void)
 316 {
 317         FolderView *folderview;
 318         GtkWidget *scrolledwin;
 319         GtkWidget *ctree;
 320         gchar *titles[N_FOLDER_COLS];
 321         gint i;
 322
 323         debug_print("Creating folder view...\n");
 324         folderview = g_new0(FolderView, 1);
 325
 326         titles[COL_FOLDER] = _("Folder");
 327         titles[COL_NEW]    = _("New");
 328         titles[COL_UNREAD] = _("Unread");
 329         titles[COL_TOTAL]  = _("#");
 330
 331         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 332         gtk_scrolled_window_set_policy
 333                 (GTK_SCROLLED_WINDOW(scrolledwin),
 334                  GTK_POLICY_AUTOMATIC,
 335                  prefs_common.folderview_vscrollbar_policy);
 336         gtk_widget_set_usize(scrolledwin,
 337                              prefs_common.folderview_width,
 338                              prefs_common.folderview_height);
 339
 340         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 341
 342         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 343         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 344         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 345                                            GTK_JUSTIFY_RIGHT);
 346         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 347                                            GTK_JUSTIFY_RIGHT);
 348         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 349                                            GTK_JUSTIFY_RIGHT);
 350         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 351                                    prefs_common.folder_col_folder);
 352         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 353                                    prefs_common.folder_col_new);
 354         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 355                                    prefs_common.folder_col_unread);
 356         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 357                                    prefs_common.folder_col_total);
 358         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 359         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 360                                      GTK_CTREE_EXPANDER_SQUARE);
 361         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 362         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 363
 364         /* create popup factories */
 365         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 366         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 367
 368         /* don't let title buttons take key focus */
 369         for (i = 0; i < N_FOLDER_COLS; i++)
 370                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 371                                        GTK_CAN_FOCUS);
 372
 373         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 374                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 375                            folderview);
 376         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 377                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 378                            folderview);
 379         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 380                            GTK_SIGNAL_FUNC(folderview_button_released),
 381                            folderview);
 382         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 383                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 384         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 385                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 386         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 387                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 388                            folderview);
 389
 390         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 391                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 392                                  folderview);
 393         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 394                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 395                                  folderview);
 396
 397         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 398                            GTK_SIGNAL_FUNC(folderview_col_resized),
 399                            folderview);
 400
 401         /* drop callback */
 402         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 403                           summary_drag_types, 1,
 404                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 405         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 406                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 407                            folderview);
 408         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 409                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 410                            folderview);
 411         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 412                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 413                            folderview);
 414         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 415                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 416                            folderview);
 417
 418         folderview->scrolledwin  = scrolledwin;
 419         folderview->ctree        = ctree;
 420
 421         folderview->folder_update_callback_id =
 422                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 423         folderview->folder_item_update_callback_id =
 424                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 425
 426         gtk_widget_show_all(scrolledwin);
 427
 428         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 429         folderview_list = g_list_append(folderview_list, folderview);
 430
 431         return folderview;
 432 }
 433
 434 void folderview_init(FolderView *folderview)
 435 {
 436         static GdkFont *boldfont = NULL;
 437         static GdkFont *normalfont = NULL;
 438         GtkWidget *ctree = folderview->ctree;
 439         GtkWidget *label_new;
 440         GtkWidget *label_unread;
 441         GtkWidget *label_total;
 442         GtkWidget *hbox_new;
 443         GtkWidget *hbox_unread;
 444         GtkWidget *hbox_total;
 445
 446         gtk_widget_realize(ctree);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 468         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 469
 470         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 471          * instead text (text overflows making them unreadable and ugly) */
 472         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 473                          &newxpm, &newxpmmask);
 474         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 475                          &unreadxpm, &unreadxpmmask);
 476         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 477                          &readxpm, &readxpmmask);
 478
 479         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 480         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 481         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 482
 483         hbox_new = gtk_hbox_new(FALSE, 4);
 484         hbox_unread = gtk_hbox_new(FALSE, 4);
 485         hbox_total = gtk_hbox_new(FALSE, 4);
 486
 487         /* left justified */
 488         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 489         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 490         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 491         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 492         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 493         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 494
 495         gtk_widget_show_all(hbox_new);
 496         gtk_widget_show_all(hbox_unread);
 497         gtk_widget_show_all(hbox_total);
 498
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 501         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 502
 503         if (!normal_style) {
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 if (!normalfont)
 506                         normalfont = gtkut_font_load(prefs_common.normalfont);
 507                 if (normalfont)
 508                         normal_style->font = normalfont;
 509                 normal_color_style = gtk_style_copy(normal_style);
 510                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 511
 512                 gtk_widget_set_style(ctree, normal_style);
 513         }
 514
 515         if (!bold_style) {
 516                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 517                 if (!boldfont)
 518                         boldfont = gtkut_font_load(prefs_common.boldfont);
 519                 if (boldfont)
 520                         bold_style->font = boldfont;
 521                 bold_color_style = gtk_style_copy(bold_style);
 522                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 523
 524                 bold_tgtfold_style = gtk_style_copy(bold_style);
 525                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 526         }
 527 }
 528
 529 void folderview_set(FolderView *folderview)
 530 {
 531         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 532         MainWindow *mainwin = folderview->mainwin;
 533
 534         debug_print("Setting folder info...\n");
 535         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 536
 537         main_window_cursor_wait(mainwin);
 538
 539         folderview->selected = NULL;
 540         folderview->opened = NULL;
 541
 542         gtk_clist_freeze(GTK_CLIST(ctree));
 543         gtk_clist_clear(GTK_CLIST(ctree));
 544         gtk_clist_thaw(GTK_CLIST(ctree));
 545         gtk_clist_freeze(GTK_CLIST(ctree));
 546
 547         folderview_set_folders(folderview);
 548
 549         gtk_clist_thaw(GTK_CLIST(ctree));
 550         main_window_cursor_normal(mainwin);
 551         STATUSBAR_POP(mainwin);
 552 }
 553
 554 void folderview_set_all(void)
 555 {
 556         GList *list;
 557
 558         for (list = folderview_list; list != NULL; list = list->next)
 559                 folderview_set((FolderView *)list->data);
 560 }
 561
 562 void folderview_select(FolderView *folderview, FolderItem *item)
 563 {
 564         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 565         GtkCTreeNode *node;
 566         GtkCTreeNode *old_selected = folderview->selected;
 567
 568         if (!item) return;
 569
 570         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 571         if (node) folderview_select_node(folderview, node);
 572
 573         if (old_selected != node)
 574                 folder_update_op_count();
 575 }
 576
 577 static void mark_all_read_cb(FolderView *folderview, guint action,
 578                              GtkWidget *widget)
 579 {
 580         FolderItem *item;
 581
 582         item = folderview_get_selected_item(folderview);
 583         if (item == NULL)
 584                 return;
 585
 586         folderutils_mark_all_read(item);
 587 }
 588
 589 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 590 {
 591         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 592
 593         g_return_if_fail(node != NULL);
 594
 595         folderview->open_folder = TRUE;
 596         gtkut_ctree_set_focus_row(ctree, node);
 597         gtk_ctree_select(ctree, node);
 598         if (folderview->summaryview->folder_item &&
 599             folderview->summaryview->folder_item->total_msgs > 0)
 600                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 601         else
 602                 gtk_widget_grab_focus(folderview->ctree);
 603
 604         gtkut_ctree_expand_parent_all(ctree, node);
 605 }
 606
 607 void folderview_unselect(FolderView *folderview)
 608 {
 609         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 610                 gtk_ctree_collapse
 611                         (GTK_CTREE(folderview->ctree), folderview->opened);
 612
 613         folderview->selected = folderview->opened = NULL;
 614 }
 615
 616 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 617                                                  GtkCTreeNode *node)
 618 {
 619         FolderItem *item;
 620
 621         if (node)
 622                 node = gtkut_ctree_node_next(ctree, node);
 623         else
 624                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 625
 626         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 627                 item = gtk_ctree_node_get_row_data(ctree, node);
 628                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 629                         return node;
 630         }
 631
 632         return NULL;
 633 }
 634
 635 void folderview_select_next_unread(FolderView *folderview)
 636 {
 637         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 638         GtkCTreeNode *node = NULL;
 639
 640         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 641             != NULL) {
 642                 folderview_select_node(folderview, node);
 643                 return;
 644         }
 645
 646         if (!folderview->opened ||
 647             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 648                 return;
 649         /* search again from the first node */
 650         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 651                 folderview_select_node(folderview, node);
 652 }
 653
 654 FolderItem *folderview_get_selected_item(FolderView *folderview)
 655 {
 656         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 657
 658         if (!folderview->selected) return NULL;
 659         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 660 }
 661
 662 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 663 {
 664         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 665         static GtkCTreeNode *prev_row = NULL;
 666         FolderItem *item;
 667         gint new, unread, total;
 668         gchar *new_str, *unread_str, *total_str;
 669
 670         if (!row) return;
 671
 672         item = gtk_ctree_node_get_row_data(ctree, row);
 673         if (!item) return;
 674
 675         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 676         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 677         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 678         new = atoi(new_str);
 679         unread = atoi(unread_str);
 680         total = atoi(total_str);
 681
 682         prev_row = row;
 683
 684         folderview_update_node(folderview, row);
 685 }
 686
 687 void folderview_append_item(FolderItem *item)
 688 {
 689         GList *list;
 690
 691         g_return_if_fail(item != NULL);
 692         g_return_if_fail(item->folder != NULL);
 693         if (folder_item_parent(item)) return;
 694
 695         for (list = folderview_list; list != NULL; list = list->next) {
 696                 FolderView *folderview = (FolderView *)list->data;
 697                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 698                 GtkCTreeNode *node, *child;
 699
 700                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 701                                                   folder_item_parent(item));
 702                 if (node) {
 703                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 704                         if (!child) {
 705                                 gchar *text[N_FOLDER_COLS] =
 706                                         {NULL, "0", "0", "0"};
 707
 708                                 gtk_clist_freeze(GTK_CLIST(ctree));
 709
 710                                 text[COL_FOLDER] = item->name;
 711                                 child = gtk_ctree_insert_node
 712                                         (ctree, node, NULL, text,
 713                                          FOLDER_SPACING,
 714                                          folderxpm, folderxpmmask,
 715                                          folderopenxpm, folderopenxpmmask,
 716                                          FALSE, FALSE);
 717                                 gtk_ctree_node_set_row_data(ctree, child, item);
 718                                 gtk_ctree_expand(ctree, node);
 719                                 folderview_update_node(folderview, child);
 720                                 folderview_sort_folders(folderview, node,
 721                                                         item->folder);
 722
 723                                 gtk_clist_thaw(GTK_CLIST(ctree));
 724                         }
 725                 }
 726         }
 727 }
 728
 729 static void folderview_set_folders(FolderView *folderview)
 730 {
 731         GList *list;
 732
 733         list = folder_get_list();
 734
 735         for (; list != NULL; list = list->next)
 736                 folderview_append_folder(folderview, FOLDER(list->data));
 737 }
 738
 739 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 740                                       gpointer data)
 741 {
 742         GList *list;
 743
 744         for (list = folderview_list; list != NULL; list = list->next) {
 745                 FolderView *folderview = (FolderView *)list->data;
 746                 MainWindow *mainwin = folderview->mainwin;
 747                 gchar *str;
 748
 749                 if (item->path)
 750                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 751                                               item->folder->name, G_DIR_SEPARATOR,
 752                                               item->path);
 753                 else
 754                         str = g_strdup_printf(_("Scanning folder %s ..."),
 755                                               item->folder->name);
 756
 757                 STATUSBAR_PUSH(mainwin, str);
 758                 STATUSBAR_POP(mainwin);
 759                 g_free(str);
 760         }
 761 }
 762
 763 static GtkWidget *label_window_create(const gchar *str)
 764 {
 765         GtkWidget *window;
 766         GtkWidget *label;
 767
 768         window = gtk_window_new(GTK_WINDOW_DIALOG);
 769         gtk_widget_set_usize(window, 380, 60);
 770         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 771         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 772         gtk_window_set_title(GTK_WINDOW(window), str);
 773         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 774         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 775         manage_window_set_transient(GTK_WINDOW(window));
 776
 777         label = gtk_label_new(str);
 778         gtk_container_add(GTK_CONTAINER(window), label);
 779         gtk_widget_show(label);
 780
 781         gtk_widget_show_now(window);
 782
 783         return window;
 784 }
 785
 786 void folderview_rescan_tree(Folder *folder)
 787 {
 788         GtkWidget *window;
 789
 790         g_return_if_fail(folder != NULL);
 791
 792         if (!folder->klass->scan_tree) return;
 793
 794         inc_lock();
 795         window = label_window_create(_("Rebuilding folder tree..."));
 796
 797         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 798         folder_scan_tree(folder);
 799         folder_set_ui_func(folder, NULL, NULL);
 800
 801         folderview_set_all();
 802
 803         gtk_widget_destroy(window);
 804         inc_unlock();
 805 }
 806
 807 /** folderview_check_new()
 808  *  Scan and update the folder and return the
 809  *  count the number of new messages since last check.
 810  *  \param folder the folder to check for new messages
 811  *  \return the number of new messages since last check
 812  */
 813 gint folderview_check_new(Folder *folder)
 814 {
 815         GList *list;
 816         FolderItem *item;
 817         FolderView *folderview;
 818         GtkCTree *ctree;
 819         GtkCTreeNode *node;
 820         gint new_msgs = 0;
 821         gint former_new_msgs = 0;
 822         gint former_new = 0;
 823
 824         for (list = folderview_list; list != NULL; list = list->next) {
 825                 folderview = (FolderView *)list->data;
 826                 ctree = GTK_CTREE(folderview->ctree);
 827
 828                 inc_lock();
 829                 main_window_lock(folderview->mainwin);
 830                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 831
 832                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 833                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 834                         item = gtk_ctree_node_get_row_data(ctree, node);
 835                         if (!item || !item->path || !item->folder) continue;
 836                         if (item->no_select) continue;
 837                         if (folder && folder != item->folder) continue;
 838                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 839                         if (!item->prefs->newmailcheck) continue;
 840
 841                         folderview_scan_tree_func(item->folder, item, NULL);
 842                         former_new = item->new_msgs;
 843                         if (folder_item_scan(item) < 0) {
 844                                 if (folder && !FOLDER_IS_LOCAL(folder))
 845                                         break;
 846                         }
 847                         folderview_update_node(folderview, node);
 848                         new_msgs += item->new_msgs;
 849                         former_new_msgs += former_new;
 850                 }
 851
 852                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 853                 main_window_unlock(folderview->mainwin);
 854                 inc_unlock();
 855         }
 856
 857         folder_write_list();
 858         /* Number of new messages since last check is the just the difference
 859          * between former_new_msgs and new_msgs. If new_msgs is less than
 860          * former_new_msgs, that would mean another session accessed the folder
 861          * and the result is not well defined.
 862          */
 863         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 864         return new_msgs;
 865 }
 866
 867 void folderview_check_new_all(void)
 868 {
 869         GList *list;
 870         GtkWidget *window;
 871         FolderView *folderview;
 872
 873         folderview = (FolderView *)folderview_list->data;
 874
 875         inc_lock();
 876         main_window_lock(folderview->mainwin);
 877         window = label_window_create
 878                 (_("Checking for new messages in all folders..."));
 879
 880         list = folder_get_list();
 881         for (; list != NULL; list = list->next) {
 882                 Folder *folder = list->data;
 883
 884                 folderview_check_new(folder);
 885         }
 886
 887         folder_write_list();
 888         folderview_set_all();
 889
 890         gtk_widget_destroy(window);
 891         main_window_unlock(folderview->mainwin);
 892         inc_unlock();
 893 }
 894
 895 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 896                                                 GtkCTreeNode *node)
 897 {
 898         FolderItem *item;
 899
 900         if (node) {
 901                 item = gtk_ctree_node_get_row_data(ctree, node);
 902                 if (item) {
 903                         if (item->new_msgs > 0 ||
 904                             (item->stype == F_QUEUE && item->total_msgs > 0))
 905                                 return TRUE;
 906                 }
 907                 node = GTK_CTREE_ROW(node)->children;
 908         } else
 909                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 910
 911         while (node) {
 912                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 913                         return TRUE;
 914                 node = GTK_CTREE_ROW(node)->sibling;
 915         }
 916
 917         return FALSE;
 918 }
 919
 920 static gboolean folderview_have_new_children(FolderView *folderview,
 921                                              GtkCTreeNode *node)
 922 {
 923         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 924
 925         if (!node)
 926                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 927         if (!node)
 928                 return FALSE;
 929
 930         node = GTK_CTREE_ROW(node)->children;
 931
 932         while (node) {
 933                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 934                         return TRUE;
 935                 node = GTK_CTREE_ROW(node)->sibling;
 936         }
 937
 938         return FALSE;
 939 }
 940
 941 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 942                                                    GtkCTreeNode *node)
 943 {
 944         FolderItem *item;
 945
 946         if (node) {
 947                 item = gtk_ctree_node_get_row_data(ctree, node);
 948                 if (item) {
 949                         if (item->unread_msgs > 0 ||
 950                             (item->stype == F_QUEUE && item->total_msgs > 0))
 951                                 return TRUE;
 952                 }
 953                 node = GTK_CTREE_ROW(node)->children;
 954         } else
 955                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 956
 957         while (node) {
 958                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 959                         return TRUE;
 960                 node = GTK_CTREE_ROW(node)->sibling;
 961         }
 962
 963         return FALSE;
 964 }
 965
 966 static gboolean folderview_have_unread_children(FolderView *folderview,
 967                                                 GtkCTreeNode *node)
 968 {
 969         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 970
 971         if (!node)
 972                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 973         if (!node)
 974                 return FALSE;
 975
 976         node = GTK_CTREE_ROW(node)->children;
 977
 978         while (node) {
 979                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 980                         return TRUE;
 981                 node = GTK_CTREE_ROW(node)->sibling;
 982         }
 983
 984         return FALSE;
 985 }
 986
 987 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 988 {
 989         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 990         GtkStyle *style = NULL;
 991         GtkStyle *color_style = NULL;
 992         FolderItem *item;
 993         GdkPixmap *xpm, *openxpm;
 994         GdkBitmap *mask, *openmask;
 995         gchar *name;
 996         gchar *str;
 997         gboolean add_unread_mark;
 998         gboolean use_bold, use_color;
 999
1000         item = gtk_ctree_node_get_row_data(ctree, node);
1001         g_return_if_fail(item != NULL);
1002
1003         switch (item->stype) {
1004         case F_INBOX:
1005                 if (item->hide_read_msgs) {
1006                         xpm = inboxhrmxpm;
1007                         mask = inboxhrmxpmmask;
1008                         openxpm = inboxopenhrmxpm;
1009                         openmask = inboxopenhrmxpmmask;
1010                 } else {
1011                         xpm = inboxxpm;
1012                         mask = inboxxpmmask;
1013                         openxpm = inboxopenxpm;
1014                         openmask = inboxopenxpmmask;
1015                 }
1016                 break;
1017         case F_OUTBOX:
1018                 if (item->hide_read_msgs) {
1019                         xpm = outboxhrmxpm;
1020                         mask = outboxhrmxpmmask;
1021                         openxpm = outboxopenhrmxpm;
1022                         openmask = outboxopenhrmxpmmask;
1023                 } else {
1024                         xpm = outboxxpm;
1025                         mask = outboxxpmmask;
1026                         openxpm = outboxopenxpm;
1027                         openmask = outboxopenxpmmask;
1028                 }
1029                 break;
1030         case F_QUEUE:
1031                 if (item->hide_read_msgs) {
1032                         xpm = queuehrmxpm;
1033                         mask = queuehrmxpmmask;
1034                         openxpm = queueopenhrmxpm;
1035                         openmask = queueopenhrmxpmmask;
1036                 } else {
1037                         xpm = queuexpm;
1038                         mask = queuexpmmask;
1039                         openxpm = queueopenxpm;
1040                         openmask = queueopenxpmmask;
1041                 }
1042                 break;
1043         case F_TRASH:
1044                 if (item->hide_read_msgs) {
1045                         xpm = trashhrmxpm;
1046                         mask = trashhrmxpmmask;
1047                         openxpm = trashopenhrmxpm;
1048                         openmask = trashopenhrmxpmmask;
1049                 } else {
1050                         xpm = trashxpm;
1051                         mask = trashxpmmask;
1052                         openxpm = trashopenxpm;
1053                         openmask = trashopenxpmmask;
1054                 }
1055                 break;
1056         case F_DRAFT:
1057                 xpm = draftsxpm;
1058                 mask = draftsxpmmask;
1059                 openxpm = draftsopenxpm;
1060                 openmask = draftsopenxpmmask;
1061                 break;
1062         default:
1063                 if (item->hide_read_msgs) {
1064                         xpm = folderhrmxpm;
1065                         mask = folderhrmxpmmask;
1066                         openxpm = folderopenhrmxpm;
1067                         openmask = folderopenhrmxpmmask;
1068                 } else {
1069                         xpm = folderxpm;
1070                         mask = folderxpmmask;
1071                         openxpm = folderopenxpm;
1072                         openmask = folderopenxpmmask;
1073                 }
1074         }
1075         name = folder_item_get_name(item);
1076
1077         if (!GTK_CTREE_ROW(node)->expanded &&
1078             folderview_have_unread_children(folderview, node))
1079                 add_unread_mark = TRUE;
1080         else
1081                 add_unread_mark = FALSE;
1082
1083         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1084             prefs_common.display_folder_unread) {
1085                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1086                                       add_unread_mark ? "+" : "");
1087                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1088                                         xpm, mask, openxpm, openmask,
1089                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1090                 g_free(str);
1091         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1092                  prefs_common.display_folder_unread) {
1093
1094                 if (item->unread_msgs > 0)
1095                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1096                                               add_unread_mark ? "+" : "",
1097                                               item->unreadmarked_msgs > 0 ? "!":"");
1098                 else
1099                         str = g_strdup_printf("%s (+)", name);
1100                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1101                                         xpm, mask, openxpm, openmask,
1102                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1103                 g_free(str);
1104         } else {
1105                 str = g_strdup_printf("%s%s", name,
1106                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1107
1108                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1109                                         xpm, mask, openxpm, openmask,
1110                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1111                 g_free(str);
1112         }
1113         g_free(name);
1114
1115         if (!folder_item_parent(item)) {
1116                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1117                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1118                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1119         } else {
1120                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1121                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1122                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1123         }
1124
1125         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1126             item->stype == F_TRASH) {
1127                 use_bold = use_color = FALSE;
1128         } else if (item->stype == F_QUEUE) {
1129                 /* highlight queue folder if there are any messages */
1130                 use_bold = use_color = (item->total_msgs > 0);
1131         } else {
1132                 /* if unread messages exist, print with bold font */
1133                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1134                 /* if new messages exist, print with colored letter */
1135                 use_color =
1136                         (item->new_msgs > 0) ||
1137                         (add_unread_mark &&
1138                          folderview_have_new_children(folderview, node));
1139         }
1140
1141         gtk_ctree_node_set_foreground(ctree, node, NULL);
1142
1143         if (use_bold) {
1144                 if (item->prefs->color > 0 && !use_color) {
1145                         GdkColor gdk_color;
1146
1147                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1148                         color_style = gtk_style_copy(bold_style);
1149                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1150                         style = color_style;
1151                 } else if (use_color)
1152                         style = bold_color_style;
1153                 else
1154                         style = bold_style;
1155                 if (item->op_count > 0) {
1156                         style = bold_tgtfold_style;
1157                 }
1158         } else if (use_color) {
1159                 style = normal_color_style;
1160                 gtk_ctree_node_set_foreground(ctree, node,
1161                                               &folderview->color_new);
1162         } else if (item->op_count > 0) {
1163                 style = bold_tgtfold_style;
1164         } else if (item->prefs->color > 0) {
1165                 GdkColor gdk_color;
1166
1167                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1168                 color_style = gtk_style_copy(normal_style);
1169                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1170                 style = color_style;
1171         } else {
1172                 style = normal_style;
1173         }
1174
1175         gtk_ctree_node_set_row_style(ctree, node, style);
1176
1177         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1178                 folderview_update_node(folderview, node);
1179 }
1180
1181 #if !CLAWS /* keep it here for syncs */
1182 void folderview_update_item(FolderItem *item, gboolean update_summary)
1183 {
1184         GList *list;
1185         FolderView *folderview;
1186         GtkCTree *ctree;
1187         GtkCTreeNode *node;
1188
1189         g_return_if_fail(item != NULL);
1190
1191         for (list = folderview_list; list != NULL; list = list->next) {
1192                 folderview = (FolderView *)list->data;
1193                 ctree = GTK_CTREE(folderview->ctree);
1194
1195                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1196                 if (node) {
1197                         folderview_update_node(folderview, node);
1198                         if (update_summary && folderview->opened == node)
1199                                 summary_show(folderview->summaryview,
1200                                              item, FALSE);
1201                 }
1202         }
1203 }
1204 #endif
1205
1206 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1207 {
1208         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1209         FolderView *folderview = (FolderView *)data;
1210         GtkCTree *ctree;
1211         GtkCTreeNode *node;
1212
1213         g_return_val_if_fail(update_info != NULL, TRUE);
1214         g_return_val_if_fail(update_info->item != NULL, TRUE);
1215         g_return_val_if_fail(folderview != NULL, FALSE);
1216
1217         ctree = GTK_CTREE(folderview->ctree);
1218
1219         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1220         if (node) {
1221                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1222                         folderview_update_node(folderview, node);
1223                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1224                         summary_show(folderview->summaryview, update_info->item);
1225         }
1226
1227         return FALSE;
1228 }
1229
1230 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1231                                                 gpointer data)
1232 {
1233         /* CLAWS: share this joy with other hook functions ... */
1234         folder_item_update((FolderItem *)key,
1235                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1236 }
1237
1238 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1239 {
1240         GList *list;
1241         FolderItemUpdateFlags flags;
1242
1243         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1244                 : 0;
1245         for (list = folderview_list; list != NULL; list = list->next)
1246                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1247                                      GINT_TO_POINTER(flags));
1248 }
1249
1250 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1251                                       GNode *gnode, GtkCTreeNode *cnode,
1252                                       gpointer data)
1253 {
1254         FolderView *folderview = (FolderView *)data;
1255         FolderItem *item = FOLDER_ITEM(gnode->data);
1256
1257         g_return_val_if_fail(item != NULL, FALSE);
1258
1259         gtk_ctree_node_set_row_data(ctree, cnode, item);
1260         folderview_update_node(folderview, cnode);
1261
1262         return TRUE;
1263 }
1264
1265 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1266                                    gpointer data)
1267 {
1268         FolderView *folderview = (FolderView *)data;
1269         FolderItem *item;
1270
1271         if (GTK_CTREE_ROW(node)->children) {
1272                 item = gtk_ctree_node_get_row_data(ctree, node);
1273                 g_return_if_fail(item != NULL);
1274
1275                 if (!item->collapsed)
1276                         gtk_ctree_expand(ctree, node);
1277                 else
1278                         folderview_update_node(folderview, node);
1279         }
1280 }
1281
1282 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1283                                GtkCTreeNode *root, GtkCTreeNode **prev)
1284 {
1285         if (item) {
1286                 GtkCTreeNode *node, *parent, *sibling;
1287
1288                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1289                 if (!node)
1290                         g_warning("%s not found.\n", item->path);
1291                 else {
1292                         parent = GTK_CTREE_ROW(node)->parent;
1293                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1294                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1295                         else
1296                                 sibling = GTK_CTREE_ROW(parent)->children;
1297                         while (sibling) {
1298                                 FolderItem *tmp;
1299
1300                                 tmp = gtk_ctree_node_get_row_data
1301                                         (ctree, sibling);
1302                                 if (tmp->stype != F_NORMAL)
1303                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1304                                 else
1305                                         break;
1306                         }
1307                         if (node != sibling)
1308                                 gtk_ctree_move(ctree, node, parent, sibling);
1309                 }
1310
1311                 *prev = node;
1312         }
1313 }
1314
1315 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1316                                     Folder *folder)
1317 {
1318         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1319         GtkCTreeNode *prev = NULL;
1320
1321         gtk_sctree_sort_recursive(ctree, root);
1322
1323         if (root && GTK_CTREE_ROW(root)->parent) return;
1324
1325         set_special_folder(ctree, folder->inbox, root, &prev);
1326         set_special_folder(ctree, folder->outbox, root, &prev);
1327         set_special_folder(ctree, folder->draft, root, &prev);
1328         set_special_folder(ctree, folder->queue, root, &prev);
1329         set_special_folder(ctree, folder->trash, root, &prev);
1330 }
1331
1332 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1333 {
1334         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1335         GtkCTreeNode *root;
1336
1337         g_return_if_fail(folder != NULL);
1338
1339         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1340                                       folderview_gnode_func, folderview);
1341         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1342                                 folderview);
1343         folderview_sort_folders(folderview, root, folder);
1344 }
1345
1346 /* callback functions */
1347
1348 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1349                                       FolderView *folderview)
1350 {
1351         GtkCList *clist = GTK_CLIST(ctree);
1352         gint prev_row = -1, row = -1, column = -1;
1353         FolderItem *item;
1354         Folder *folder;
1355         FolderViewPopup *fpopup;
1356         GtkItemFactory *fpopup_factory;
1357         GtkWidget *popup;
1358
1359         if (!event) return;
1360
1361         if (event->button == 1) {
1362                 folderview->open_folder = TRUE;
1363                 return;
1364         }
1365
1366         if (event->button == 2 || event->button == 3) {
1367                 /* right clicked */
1368                 if (clist->selection) {
1369                         GtkCTreeNode *node;
1370
1371                         node = GTK_CTREE_NODE(clist->selection->data);
1372                         if (node)
1373                                 prev_row = gtkut_ctree_get_nth_from_node
1374                                         (GTK_CTREE(ctree), node);
1375                 }
1376
1377                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1378                                                   &row, &column))
1379                         return;
1380                 if (prev_row != row) {
1381                         gtk_clist_unselect_all(clist);
1382                         if (event->button == 2)
1383                                 folderview_select_node
1384                                         (folderview,
1385                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1386                                                             row));
1387                         else
1388                                 gtk_clist_select_row(clist, row, column);
1389                 }
1390         }
1391
1392         if (event->button != 3) return;
1393
1394         item = gtk_clist_get_row_data(clist, row);
1395         g_return_if_fail(item != NULL);
1396         g_return_if_fail(item->folder != NULL);
1397         folder = item->folder;
1398
1399         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1400         if (fpopup != NULL)
1401                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1402         else {
1403                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1404                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1405         }
1406
1407         if (fpopup->set_sensitivity != NULL)
1408                 fpopup->set_sensitivity(fpopup_factory, item);
1409
1410         if (item == folder->trash &&
1411             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1412                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1413                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1414         } else if (item != folder->trash) {
1415                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1416                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1417         }
1418
1419 #define SET_SENS(name, sens) \
1420         menu_set_sensitive(fpopup_factory, name, sens)
1421
1422         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1423         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1424                  folderview->selected == folderview->opened);
1425         SET_SENS("/Properties...", TRUE);
1426         SET_SENS("/Processing...", item->node->parent != NULL);
1427         if (item == folder->trash)
1428                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1429 #undef SET_SENS
1430
1431         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1432         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1433                        event->button, event->time);
1434 }
1435
1436 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1437                                        FolderView *folderview)
1438 {
1439         if (!event) return;
1440
1441         if (event->button == 1 && folderview->open_folder == FALSE &&
1442             folderview->opened != NULL) {
1443                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1444                                           folderview->opened);
1445                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1446         }
1447 }
1448
1449 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1450                                    FolderView *folderview)
1451 {
1452         if (!event) return;
1453
1454         switch (event->keyval) {
1455         case GDK_Return:
1456                 if (folderview->selected) {
1457                         folderview_select_node(folderview,
1458                                                folderview->selected);
1459                 }
1460                 break;
1461         case GDK_space:
1462                 if (folderview->selected) {
1463                         if (folderview->opened == folderview->selected &&
1464                             (!folderview->summaryview->folder_item ||
1465                              folderview->summaryview->folder_item->total_msgs == 0))
1466                                 folderview_select_next_unread(folderview);
1467                         else
1468                                 folderview_select_node(folderview,
1469                                                        folderview->selected);
1470                 }
1471                 break;
1472         default:
1473                 break;
1474         }
1475 }
1476
1477 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1478                                 gint column, FolderView *folderview)
1479 {
1480         static gboolean can_select = TRUE;      /* exclusive lock */
1481         gboolean opened;
1482         FolderItem *item;
1483         gchar *buf;
1484
1485         folderview->selected = row;
1486
1487         if (folderview->opened == row) {
1488                 folderview->open_folder = FALSE;
1489                 return;
1490         }
1491
1492         if (!can_select || summary_is_locked(folderview->summaryview)) {
1493                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1494                 gtk_ctree_select(ctree, folderview->opened);
1495                 return;
1496         }
1497
1498         if (!folderview->open_folder) return;
1499
1500         item = gtk_ctree_node_get_row_data(ctree, row);
1501         if (!item) return;
1502
1503         can_select = FALSE;
1504
1505         /* Save cache for old folder */
1506         /* We don't want to lose all caches if sylpheed crashed */
1507         if (folderview->opened) {
1508                 FolderItem *olditem;
1509
1510                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1511                 if (olditem) {
1512                         /* will be null if we just moved the previously opened folder */
1513                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1514                         folder_item_close(olditem);
1515                 }
1516         }
1517
1518         /* CLAWS: set compose button type: news folder items
1519          * always have a news folder as parent */
1520         if (item->folder)
1521                 toolbar_set_compose_button
1522                         (folderview->mainwin->toolbar,
1523                          FOLDER_TYPE(item->folder) == F_NEWS ?
1524                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1525
1526         if (item->path)
1527                 debug_print("Folder %s is selected\n", item->path);
1528
1529         if (!GTK_CTREE_ROW(row)->children)
1530                 gtk_ctree_expand(ctree, row);
1531         if (folderview->opened &&
1532             !GTK_CTREE_ROW(folderview->opened)->children)
1533                 gtk_ctree_collapse(ctree, folderview->opened);
1534
1535         /* ungrab the mouse event */
1536         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1537                 gtk_grab_remove(GTK_WIDGET(ctree));
1538                 if (gdk_pointer_is_grabbed())
1539                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1540         }
1541
1542         /* Open Folder */
1543         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1544                                         item->path : "(null)");
1545         debug_print("%s\n", buf);
1546         STATUSBAR_PUSH(folderview->mainwin, buf);
1547         g_free(buf);
1548
1549         main_window_cursor_wait(folderview->mainwin);
1550
1551         if (folder_item_open(item) != 0) {
1552                 main_window_cursor_normal(folderview->mainwin);
1553                 STATUSBAR_POP(folderview->mainwin);
1554
1555                 alertpanel_error(_("Folder could not be opened."));
1556
1557                 folderview->open_folder = FALSE;
1558                 can_select = TRUE;
1559
1560                 return;
1561         }
1562
1563         main_window_cursor_normal(folderview->mainwin);
1564
1565         /* Show messages */
1566         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1567         opened = summary_show(folderview->summaryview, item);
1568
1569         folder_clean_cache_memory();
1570
1571         if (!opened) {
1572                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1573                 gtk_ctree_select(ctree, folderview->opened);
1574         } else {
1575                 folderview->opened = row;
1576                 if (gtk_ctree_node_is_visible(ctree, row)
1577                     != GTK_VISIBILITY_FULL)
1578                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1579         }
1580
1581         STATUSBAR_POP(folderview->mainwin);
1582
1583         folderview->open_folder = FALSE;
1584         can_select = TRUE;
1585 }
1586
1587 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1588                                      FolderView *folderview)
1589 {
1590         FolderItem *item;
1591
1592         item = gtk_ctree_node_get_row_data(ctree, node);
1593         g_return_if_fail(item != NULL);
1594         item->collapsed = FALSE;
1595         folderview_update_node(folderview, node);
1596 }
1597
1598 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1599                                       FolderView *folderview)
1600 {
1601         FolderItem *item;
1602
1603         item = gtk_ctree_node_get_row_data(ctree, node);
1604         g_return_if_fail(item != NULL);
1605         item->collapsed = TRUE;
1606         folderview_update_node(folderview, node);
1607 }
1608
1609 static void folderview_popup_close(GtkMenuShell *menu_shell,
1610                                    FolderView *folderview)
1611 {
1612         if (!folderview->opened) return;
1613
1614         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1615                                   folderview->opened);
1616         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1617 }
1618
1619 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1620                                    FolderView *folderview)
1621 {
1622         switch (column) {
1623         case COL_FOLDER:
1624                 prefs_common.folder_col_folder = width;
1625                 break;
1626         case COL_NEW:
1627                 prefs_common.folder_col_new = width;
1628                 break;
1629         case COL_UNREAD:
1630                 prefs_common.folder_col_unread = width;
1631                 break;
1632         case COL_TOTAL:
1633                 prefs_common.folder_col_total = width;
1634                 break;
1635         default:
1636                 break;
1637         }
1638 }
1639
1640 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1641 {
1642         GNode *srcnode;
1643
1644         folderview_create_folder_node(folderview, item);
1645
1646         srcnode = item->folder->node;
1647         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1648         srcnode = srcnode->children;
1649         while (srcnode != NULL) {
1650                 if (srcnode && srcnode->data) {
1651                         FolderItem *next_item = (FolderItem*) srcnode->data;
1652                         folderview_create_folder_node_recursive(folderview, next_item);
1653                 }
1654                 srcnode = srcnode->next;
1655         }
1656 }
1657
1658 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1659 {
1660         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1661         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1662         GtkCTreeNode *node, *parent_node;
1663
1664         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1665         if (parent_node == NULL)
1666                 return;
1667
1668         gtk_clist_freeze(GTK_CLIST(ctree));
1669
1670         text[COL_FOLDER] = item->name;
1671         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1672                                      FOLDER_SPACING,
1673                                      folderxpm, folderxpmmask,
1674                                      folderopenxpm, folderopenxpmmask,
1675                                      FALSE, FALSE);
1676         gtk_ctree_expand(ctree, parent_node);
1677         gtk_ctree_node_set_row_data(ctree, node, item);
1678         if (normal_style)
1679                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1680         folderview_sort_folders(folderview, folderview->selected, item->folder);
1681
1682         gtk_clist_thaw(GTK_CLIST(ctree));
1683 }
1684
1685 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1686                                       GtkWidget *widget)
1687 {
1688         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1689         FolderItem *item;
1690         GSList *mlist = NULL;
1691         GSList *cur = NULL;
1692         if (!folderview->selected) return;
1693
1694         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1695         g_return_if_fail(item != NULL);
1696         g_return_if_fail(item->folder != NULL);
1697         if (item != item->folder->trash) return;
1698
1699         if (prefs_common.ask_on_clean) {
1700                 if (alertpanel(_("Empty trash"),
1701                                _("Empty all messages in trash?"),
1702                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1703                         return;
1704         }
1705
1706         mlist = folder_item_get_msg_list(item);
1707
1708         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1709                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1710                 partial_mark_for_delete(msginfo);
1711                 procmsg_msginfo_free(msginfo);
1712         }
1713
1714         folder_item_remove_all_msg(item);
1715 }
1716
1717 static void folderview_search_cb(FolderView *folderview, guint action,
1718                                  GtkWidget *widget)
1719 {
1720         summary_search(folderview->summaryview);
1721 }
1722
1723 static void folderview_property_cb(FolderView *folderview, guint action,
1724                                    GtkWidget *widget)
1725 {
1726         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1727         FolderItem *item;
1728
1729         if (!folderview->selected) return;
1730
1731         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1732         g_return_if_fail(item != NULL);
1733         g_return_if_fail(item->folder != NULL);
1734
1735         if (folder_item_parent(item) == NULL && item->folder->account)
1736                 account_open(item->folder->account);
1737         else {
1738                 prefs_folder_item_open(item);
1739         }
1740 }
1741
1742 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1743 {
1744         GSList *list = NULL;
1745         GSList *done = NULL;
1746         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1747
1748         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1749                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1750                 &&  list->data != node) {
1751                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1752                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1753                 }
1754         }
1755         for (list = done; list != NULL; list = g_slist_next(list)) {
1756                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1757                                                                  list->data);
1758         }
1759         g_slist_free(done);
1760 }
1761
1762 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1763                             FolderItem *to_folder)
1764 {
1765         FolderItem *from_parent = NULL;
1766         FolderItem *new_folder = NULL;
1767         GtkCTreeNode *src_node = NULL;
1768         gchar *buf;
1769         gint status;
1770
1771         g_return_if_fail(folderview != NULL);
1772         g_return_if_fail(from_folder != NULL);
1773         g_return_if_fail(to_folder != NULL);
1774
1775         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1776         from_parent = folder_item_parent(from_folder);
1777         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1778         STATUSBAR_PUSH(folderview->mainwin, buf);
1779         g_free(buf);
1780         summary_clear_all(folderview->summaryview);
1781         folderview->opened = NULL;
1782         folderview->selected = NULL;
1783         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1784         inc_lock();
1785         main_window_cursor_wait(folderview->mainwin);
1786         statusbar_verbosity_set(TRUE);
1787         folder_item_update_freeze();
1788         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1789                 statusbar_verbosity_set(FALSE);
1790                 main_window_cursor_normal(folderview->mainwin);
1791                 STATUSBAR_POP(folderview->mainwin);
1792                 folder_item_update_thaw();
1793                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1794
1795                 folderview_sort_folders(folderview,
1796                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1797                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1798                 folderview_select(folderview, new_folder);
1799         } else {
1800                 statusbar_verbosity_set(FALSE);
1801                 main_window_cursor_normal(folderview->mainwin);
1802                 STATUSBAR_POP(folderview->mainwin);
1803                 folder_item_update_thaw();
1804                 switch (status) {
1805                 case F_MOVE_FAILED_DEST_IS_PARENT:
1806                         alertpanel_error(_("Source and destination are the same."));
1807                         break;
1808                 case F_MOVE_FAILED_DEST_IS_CHILD:
1809                         alertpanel_error(_("Can't move a folder to one of its children."));
1810                         break;
1811                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1812                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1813                         break;
1814                 default:
1815                         alertpanel_error(_("Move failed!"));
1816                         break;
1817                 }
1818         }
1819         inc_unlock();
1820         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1821 }
1822
1823 static gint folderview_clist_compare(GtkCList *clist,
1824                                      gconstpointer ptr1, gconstpointer ptr2)
1825 {
1826         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1827         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1828
1829         if (!item1->name)
1830                 return (item2->name != NULL);
1831         if (!item2->name)
1832                 return -1;
1833
1834         return g_strcasecmp(item1->name, item2->name);
1835 }
1836
1837 static void folderview_processing_cb(FolderView *folderview, guint action,
1838                                      GtkWidget *widget)
1839 {
1840         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1841         FolderItem *item;
1842
1843         if (!folderview->selected) return;
1844
1845         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1846         g_return_if_fail(item != NULL);
1847         g_return_if_fail(item->folder != NULL);
1848
1849         prefs_filtering_open(&item->prefs->processing,
1850                              _("Processing configuration"), NULL, NULL);
1851 }
1852
1853 void folderview_set_target_folder_color(gint color_op)
1854 {
1855         gint firstone = 1;
1856         GList *list;
1857         FolderView *folderview;
1858
1859         for (list = folderview_list; list != NULL; list = list->next) {
1860                 folderview = (FolderView *)list->data;
1861                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1862                 if (firstone) {
1863                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1864                                 folderview->color_op;
1865                         firstone = 0;
1866                 }
1867         }
1868 }
1869
1870 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1871 {
1872         folderview_init(folderview);
1873         folderview_set_all();
1874 }
1875
1876 static void drag_state_stop(FolderView *folderview)
1877 {
1878         if (folderview->drag_timer)
1879                 gtk_timeout_remove(folderview->drag_timer);
1880         folderview->drag_timer = 0;
1881         folderview->drag_node = NULL;
1882 }
1883
1884 static gint folderview_defer_expand(FolderView *folderview)
1885 {
1886         if (folderview->drag_node) {
1887                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1888                 if (folderview->drag_item->collapsed) {
1889                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1890                         folderview->nodes_to_recollapse = g_slist_append
1891                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1892                 }
1893         }
1894         folderview->drag_item  = NULL;
1895         folderview->drag_timer = 0;
1896         return FALSE;
1897 }
1898
1899 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1900 {
1901         /* the idea is that we call drag_state_start() whenever we want expansion to
1902          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
1903          * we need to call drag_state_stop() */
1904         drag_state_stop(folderview);
1905         /* request expansion */
1906         if (0 != (folderview->drag_timer = gtk_timeout_add
1907                         (prefs_common.hover_timeout,
1908                          (GtkFunction)folderview_defer_expand,
1909                          folderview))) {
1910                 folderview->drag_node = node;
1911                 folderview->drag_item = item;
1912         }
1913 }
1914
1915 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
1916                                   FolderView       *folderview)
1917 {
1918         GdkDragContext *context;
1919
1920         g_return_if_fail(folderview != NULL);
1921         if (folderview->selected == NULL) return;
1922         if (folderview->nodes_to_recollapse)
1923                 g_slist_free(folderview->nodes_to_recollapse);
1924         folderview->nodes_to_recollapse = NULL;
1925         context = gtk_drag_begin(widget, folderview->target_list,
1926                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
1927         gtk_drag_set_icon_default(context);
1928 }
1929
1930 static void folderview_drag_data_get(GtkWidget        *widget,
1931                                      GdkDragContext   *drag_context,
1932                                      GtkSelectionData *selection_data,
1933                                      guint             info,
1934                                      guint             time,
1935                                      FolderView       *folderview)
1936 {
1937         FolderItem *item;
1938         GList *cur;
1939         gchar *source = NULL;
1940
1941         for (cur = GTK_CLIST(folderview->ctree)->selection;
1942              cur != NULL; cur = cur->next) {
1943                 item = gtk_ctree_node_get_row_data
1944                         (GTK_CTREE(folderview->ctree),
1945                          GTK_CTREE_NODE(cur->data));
1946                 if (item) {
1947                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
1948                         gtk_selection_data_set(selection_data,
1949                                                selection_data->target, 8,
1950                                                source, strlen(source));
1951                         break;
1952                 } else
1953                         return;
1954         }
1955 }
1956
1957 gboolean folderview_update_folder(gpointer source, gpointer userdata)
1958 {
1959         FolderUpdateData *hookdata;
1960         FolderView *folderview;
1961         GtkWidget *ctree;
1962
1963         hookdata = source;
1964         folderview = (FolderView *) userdata;
1965         g_return_val_if_fail(hookdata != NULL, FALSE);
1966         g_return_val_if_fail(folderview != NULL, FALSE);
1967
1968         ctree = folderview->ctree;
1969         g_return_val_if_fail(ctree != NULL, FALSE);
1970
1971         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
1972                 folderview_create_folder_node(folderview, hookdata->item);
1973         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
1974                 GtkCTreeNode *node;
1975
1976                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
1977                 if (node != NULL)
1978                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
1979         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
1980                 folderview_set(folderview);
1981
1982         return FALSE;
1983 }
1984
1985 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1986                                           GdkDragContext *context,
1987                                           gint            x,
1988                                           gint            y,
1989                                           guint           time,
1990                                           FolderView     *folderview)
1991 {
1992         gint row, column;
1993         FolderItem *item, *src_item = NULL;
1994         GtkCTreeNode *node = NULL;
1995         gboolean acceptable = FALSE;
1996         gint height = folderview->ctree->allocation.height;
1997         gint total_height = folderview->ctree->requisition.height;
1998         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
1999                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2000         gfloat vpos = pos->value;
2001
2002         if (gtk_clist_get_selection_info
2003                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2004                 GtkWidget *srcwidget;
2005
2006                 if (y > height - 24 && height + vpos < total_height)
2007                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2008
2009                 if (y < 24 && y > 0)
2010                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2011
2012                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2013                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2014                 src_item = folderview->summaryview->folder_item;
2015
2016                 srcwidget = gtk_drag_get_source_widget(context);
2017                 if (srcwidget == folderview->summaryview->ctree) {
2018                         /* comes from summaryview */
2019                         /* we are copying messages, so only accept folder items that are not
2020                            the source item, are no root items and can copy messages */
2021                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2022                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2023                                 acceptable = TRUE;
2024                 } else if (srcwidget == folderview->ctree) {
2025                         /* comes from folderview */
2026                         /* we are moving folder items, only accept folders that are not
2027                            the source items and can copy messages and create folder items */
2028                         if (item && item->folder && src_item && src_item != item &&
2029                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2030                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2031                                 acceptable = TRUE;
2032                 }
2033         }
2034
2035         if (acceptable || (src_item && src_item == item))
2036                 drag_state_start(folderview, node, item);
2037
2038         if (acceptable) {
2039                 gtk_signal_handler_block_by_func
2040                         (GTK_OBJECT(widget),
2041                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2042                 gtk_ctree_select(GTK_CTREE(widget), node);
2043                 gtk_signal_handler_unblock_by_func
2044                         (GTK_OBJECT(widget),
2045                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2046                 gdk_drag_status(context,
2047                                         (context->actions == GDK_ACTION_COPY ?
2048                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2049         } else {
2050                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2051                 gdk_drag_status(context, 0, time);
2052         }
2053
2054         return acceptable;
2055 }
2056
2057 static void folderview_drag_leave_cb(GtkWidget      *widget,
2058                                      GdkDragContext *context,
2059                                      guint           time,
2060                                      FolderView     *folderview)
2061 {
2062         drag_state_stop(folderview);
2063         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2064 }
2065
2066 static void folderview_drag_received_cb(GtkWidget        *widget,
2067                                         GdkDragContext   *drag_context,
2068                                         gint              x,
2069                                         gint              y,
2070                                         GtkSelectionData *data,
2071                                         guint             info,
2072                                         guint             time,
2073                                         FolderView       *folderview)
2074 {
2075         gint row, column;
2076         FolderItem *item, *src_item;
2077         GtkCTreeNode *node;
2078
2079         drag_state_stop(folderview);
2080         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2081                 /* comes from summaryview */
2082                 if (gtk_clist_get_selection_info
2083                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2084                         return;
2085
2086                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2087                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2088                 src_item = folderview->summaryview->folder_item;
2089
2090                 /* re-check (due to acceptable possibly set for folder moves */
2091                 if (!(item && item->folder && item->path &&
2092                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2093                         return;
2094                 }
2095                 if (item && src_item) {
2096                         switch (drag_context->action) {
2097                         case GDK_ACTION_COPY:
2098                                 summary_copy_selected_to(folderview->summaryview, item);
2099                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2100                                 break;
2101                         case GDK_ACTION_MOVE:
2102                         case GDK_ACTION_DEFAULT:
2103                         default:
2104                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2105                                         summary_copy_selected_to(folderview->summaryview, item);
2106                                 else
2107                                         summary_move_selected_to(folderview->summaryview, item);
2108                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2109                         }
2110                 } else
2111                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2112         } else {
2113                 /* comes from folderview */
2114                 char *source;
2115
2116                 source = data->data + 17;
2117                 if (gtk_clist_get_selection_info
2118                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2119                     || *source == 0) {
2120                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2121                         return;
2122                 }
2123                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2124                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2125                 src_item = folder_find_item_from_identifier(source);
2126
2127                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2128                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2129                         return;
2130                 }
2131
2132                 folderview_move_folder(folderview, src_item, item);
2133                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2134         }
2135         folderview->nodes_to_recollapse = NULL;
2136 }
2137
2138 static void folderview_drag_end_cb(GtkWidget        *widget,
2139                                    GdkDragContext   *drag_context,
2140                                    FolderView       *folderview)
2141 {
2142         drag_state_stop(folderview);
2143         g_slist_free(folderview->nodes_to_recollapse);
2144         folderview->nodes_to_recollapse = NULL;
2145 }
2146
2147 void folderview_register_popup(FolderViewPopup *fpopup)
2148 {
2149         GList *folderviews;
2150
2151         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2152                 FolderView *folderview = folderviews->data;
2153                 GtkItemFactory *factory;
2154
2155                 factory = create_ifactory(folderview, fpopup);
2156                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2157         }
2158         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2159 }
2160
2161 void folderview_unregister_popup(FolderViewPopup *fpopup)
2162 {
2163         GList *folderviews;
2164
2165         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2166                 FolderView *folderview = folderviews->data;
2167
2168                 g_hash_table_remove(folderview->popups, fpopup->klass);
2169         }
2170         g_hash_table_remove(folderview_popups, fpopup->klass);
2171 }