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         static GdkPixmap *searchicon;
 996         static GdkBitmap *searchmask;
 997
 998         gchar *name;
 999         gchar *str;
1000         gboolean add_unread_mark;
1001         gboolean use_bold, use_color;
1002
1003         item = gtk_ctree_node_get_row_data(ctree, node);
1004         g_return_if_fail(item != NULL);
1005
1006         switch (item->stype) {
1007         case F_INBOX:
1008                 if (item->hide_read_msgs) {
1009                         xpm = inboxhrmxpm;
1010                         mask = inboxhrmxpmmask;
1011                         openxpm = inboxopenhrmxpm;
1012                         openmask = inboxopenhrmxpmmask;
1013                 } else {
1014                         xpm = inboxxpm;
1015                         mask = inboxxpmmask;
1016                         openxpm = inboxopenxpm;
1017                         openmask = inboxopenxpmmask;
1018                 }
1019                 break;
1020         case F_OUTBOX:
1021                 if (item->hide_read_msgs) {
1022                         xpm = outboxhrmxpm;
1023                         mask = outboxhrmxpmmask;
1024                         openxpm = outboxopenhrmxpm;
1025                         openmask = outboxopenhrmxpmmask;
1026                 } else {
1027                         xpm = outboxxpm;
1028                         mask = outboxxpmmask;
1029                         openxpm = outboxopenxpm;
1030                         openmask = outboxopenxpmmask;
1031                 }
1032                 break;
1033         case F_QUEUE:
1034                 if (item->hide_read_msgs) {
1035                         xpm = queuehrmxpm;
1036                         mask = queuehrmxpmmask;
1037                         openxpm = queueopenhrmxpm;
1038                         openmask = queueopenhrmxpmmask;
1039                 } else {
1040                         xpm = queuexpm;
1041                         mask = queuexpmmask;
1042                         openxpm = queueopenxpm;
1043                         openmask = queueopenxpmmask;
1044                 }
1045                 break;
1046         case F_TRASH:
1047                 if (item->hide_read_msgs) {
1048                         xpm = trashhrmxpm;
1049                         mask = trashhrmxpmmask;
1050                         openxpm = trashopenhrmxpm;
1051                         openmask = trashopenhrmxpmmask;
1052                 } else {
1053                         xpm = trashxpm;
1054                         mask = trashxpmmask;
1055                         openxpm = trashopenxpm;
1056                         openmask = trashopenxpmmask;
1057                 }
1058                 break;
1059         case F_DRAFT:
1060                 xpm = draftsxpm;
1061                 mask = draftsxpmmask;
1062                 openxpm = draftsopenxpm;
1063                 openmask = draftsopenxpmmask;
1064                 break;
1065         default:
1066                 if (item->hide_read_msgs) {
1067                         xpm = folderhrmxpm;
1068                         mask = folderhrmxpmmask;
1069                         openxpm = folderopenhrmxpm;
1070                         openmask = folderopenhrmxpmmask;
1071                 } else {
1072                         xpm = folderxpm;
1073                         mask = folderxpmmask;
1074                         openxpm = folderopenxpm;
1075                         openmask = folderopenxpmmask;
1076                 }
1077         }
1078         name = folder_item_get_name(item);
1079
1080         if (item->search_match) {
1081                 if (!searchicon) {
1082                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1083                          &searchicon, &searchmask);
1084                 }
1085                 xpm = openxpm = searchicon;
1086                 mask = openmask = searchmask;
1087         }
1088
1089         if (!GTK_CTREE_ROW(node)->expanded &&
1090             folderview_have_unread_children(folderview, node))
1091                 add_unread_mark = TRUE;
1092         else
1093                 add_unread_mark = FALSE;
1094
1095         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1096             prefs_common.display_folder_unread) {
1097                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1098                                       add_unread_mark ? "+" : "");
1099                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1100                                         xpm, mask, openxpm, openmask,
1101                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1102                 g_free(str);
1103         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1104                  prefs_common.display_folder_unread) {
1105
1106                 if (item->unread_msgs > 0)
1107                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1108                                               add_unread_mark ? "+" : "",
1109                                               item->unreadmarked_msgs > 0 ? "!":"");
1110                 else
1111                         str = g_strdup_printf("%s (+)", name);
1112                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1113                                         xpm, mask, openxpm, openmask,
1114                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1115                 g_free(str);
1116         } else {
1117                 str = g_strdup_printf("%s%s", name,
1118                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1119
1120                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1121                                         xpm, mask, openxpm, openmask,
1122                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1123                 g_free(str);
1124         }
1125         g_free(name);
1126
1127         if (!folder_item_parent(item)) {
1128                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1129                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1130                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1131         } else {
1132                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1133                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1134                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1135         }
1136
1137         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1138             item->stype == F_TRASH) {
1139                 use_bold = use_color = FALSE;
1140         } else if (item->stype == F_QUEUE) {
1141                 /* highlight queue folder if there are any messages */
1142                 use_bold = use_color = (item->total_msgs > 0);
1143         } else {
1144                 /* if unread messages exist, print with bold font */
1145                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1146                 /* if new messages exist, print with colored letter */
1147                 use_color =
1148                         (item->new_msgs > 0) ||
1149                         (add_unread_mark &&
1150                          folderview_have_new_children(folderview, node));
1151         }
1152
1153         gtk_ctree_node_set_foreground(ctree, node, NULL);
1154
1155         if (use_bold) {
1156                 if (item->prefs->color > 0 && !use_color) {
1157                         GdkColor gdk_color;
1158
1159                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1160                         color_style = gtk_style_copy(bold_style);
1161                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1162                         style = color_style;
1163                 } else if (use_color)
1164                         style = bold_color_style;
1165                 else
1166                         style = bold_style;
1167                 if (item->op_count > 0) {
1168                         style = bold_tgtfold_style;
1169                 }
1170         } else if (use_color) {
1171                 style = normal_color_style;
1172                 gtk_ctree_node_set_foreground(ctree, node,
1173                                               &folderview->color_new);
1174         } else if (item->op_count > 0) {
1175                 style = bold_tgtfold_style;
1176         } else if (item->prefs->color > 0) {
1177                 GdkColor gdk_color;
1178
1179                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1180                 color_style = gtk_style_copy(normal_style);
1181                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1182                 style = color_style;
1183         } else {
1184                 style = normal_style;
1185         }
1186
1187         gtk_ctree_node_set_row_style(ctree, node, style);
1188
1189         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1190                 folderview_update_node(folderview, node);
1191 }
1192
1193 #if !CLAWS /* keep it here for syncs */
1194 void folderview_update_item(FolderItem *item, gboolean update_summary)
1195 {
1196         GList *list;
1197         FolderView *folderview;
1198         GtkCTree *ctree;
1199         GtkCTreeNode *node;
1200
1201         g_return_if_fail(item != NULL);
1202
1203         for (list = folderview_list; list != NULL; list = list->next) {
1204                 folderview = (FolderView *)list->data;
1205                 ctree = GTK_CTREE(folderview->ctree);
1206
1207                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1208                 if (node) {
1209                         folderview_update_node(folderview, node);
1210                         if (update_summary && folderview->opened == node)
1211                                 summary_show(folderview->summaryview,
1212                                              item, FALSE);
1213                 }
1214         }
1215 }
1216 #endif
1217
1218 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1219 {
1220         GList *list;
1221         FolderView *folderview;
1222         GtkCTree *ctree;
1223         GtkCTreeNode *node;
1224
1225         g_return_if_fail(item != NULL);
1226
1227         for (list = folderview_list; list != NULL; list = list->next) {
1228                 folderview = (FolderView *)list->data;
1229                 ctree = GTK_CTREE(folderview->ctree);
1230
1231                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1232                 if (node) {
1233                         item->search_match = matches;
1234                         folderview_update_node(folderview, node);
1235                 }
1236         }
1237 }
1238
1239 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1240 {
1241         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1242         FolderView *folderview = (FolderView *)data;
1243         GtkCTree *ctree;
1244         GtkCTreeNode *node;
1245
1246         g_return_val_if_fail(update_info != NULL, TRUE);
1247         g_return_val_if_fail(update_info->item != NULL, TRUE);
1248         g_return_val_if_fail(folderview != NULL, FALSE);
1249
1250         ctree = GTK_CTREE(folderview->ctree);
1251
1252         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1253         if (node) {
1254                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1255                         folderview_update_node(folderview, node);
1256                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1257                         summary_show(folderview->summaryview, update_info->item);
1258         }
1259
1260         return FALSE;
1261 }
1262
1263 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1264                                                 gpointer data)
1265 {
1266         /* CLAWS: share this joy with other hook functions ... */
1267         folder_item_update((FolderItem *)key,
1268                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1269 }
1270
1271 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1272 {
1273         GList *list;
1274         FolderItemUpdateFlags flags;
1275
1276         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1277                 : 0;
1278         for (list = folderview_list; list != NULL; list = list->next)
1279                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1280                                      GINT_TO_POINTER(flags));
1281 }
1282
1283 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1284                                       GNode *gnode, GtkCTreeNode *cnode,
1285                                       gpointer data)
1286 {
1287         FolderView *folderview = (FolderView *)data;
1288         FolderItem *item = FOLDER_ITEM(gnode->data);
1289
1290         g_return_val_if_fail(item != NULL, FALSE);
1291
1292         gtk_ctree_node_set_row_data(ctree, cnode, item);
1293         folderview_update_node(folderview, cnode);
1294
1295         return TRUE;
1296 }
1297
1298 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1299                                    gpointer data)
1300 {
1301         FolderView *folderview = (FolderView *)data;
1302         FolderItem *item;
1303
1304         if (GTK_CTREE_ROW(node)->children) {
1305                 item = gtk_ctree_node_get_row_data(ctree, node);
1306                 g_return_if_fail(item != NULL);
1307
1308                 if (!item->collapsed)
1309                         gtk_ctree_expand(ctree, node);
1310                 else
1311                         folderview_update_node(folderview, node);
1312         }
1313 }
1314
1315 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1316                                GtkCTreeNode *root, GtkCTreeNode **prev)
1317 {
1318         if (item) {
1319                 GtkCTreeNode *node, *parent, *sibling;
1320
1321                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1322                 if (!node)
1323                         g_warning("%s not found.\n", item->path);
1324                 else {
1325                         parent = GTK_CTREE_ROW(node)->parent;
1326                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1327                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1328                         else
1329                                 sibling = GTK_CTREE_ROW(parent)->children;
1330                         while (sibling) {
1331                                 FolderItem *tmp;
1332
1333                                 tmp = gtk_ctree_node_get_row_data
1334                                         (ctree, sibling);
1335                                 if (tmp->stype != F_NORMAL)
1336                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1337                                 else
1338                                         break;
1339                         }
1340                         if (node != sibling)
1341                                 gtk_ctree_move(ctree, node, parent, sibling);
1342                 }
1343
1344                 *prev = node;
1345         }
1346 }
1347
1348 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1349                                     Folder *folder)
1350 {
1351         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1352         GtkCTreeNode *prev = NULL;
1353
1354         gtk_sctree_sort_recursive(ctree, root);
1355
1356         if (root && GTK_CTREE_ROW(root)->parent) return;
1357
1358         set_special_folder(ctree, folder->inbox, root, &prev);
1359         set_special_folder(ctree, folder->outbox, root, &prev);
1360         set_special_folder(ctree, folder->draft, root, &prev);
1361         set_special_folder(ctree, folder->queue, root, &prev);
1362         set_special_folder(ctree, folder->trash, root, &prev);
1363 }
1364
1365 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1366 {
1367         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1368         GtkCTreeNode *root;
1369
1370         g_return_if_fail(folder != NULL);
1371
1372         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1373                                       folderview_gnode_func, folderview);
1374         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1375                                 folderview);
1376         folderview_sort_folders(folderview, root, folder);
1377 }
1378
1379 /* callback functions */
1380
1381 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1382                                       FolderView *folderview)
1383 {
1384         GtkCList *clist = GTK_CLIST(ctree);
1385         gint prev_row = -1, row = -1, column = -1;
1386         FolderItem *item;
1387         Folder *folder;
1388         FolderViewPopup *fpopup;
1389         GtkItemFactory *fpopup_factory;
1390         GtkWidget *popup;
1391
1392         if (!event) return;
1393
1394         if (event->button == 1) {
1395                 folderview->open_folder = TRUE;
1396                 return;
1397         }
1398
1399         if (event->button == 2 || event->button == 3) {
1400                 /* right clicked */
1401                 if (clist->selection) {
1402                         GtkCTreeNode *node;
1403
1404                         node = GTK_CTREE_NODE(clist->selection->data);
1405                         if (node)
1406                                 prev_row = gtkut_ctree_get_nth_from_node
1407                                         (GTK_CTREE(ctree), node);
1408                 }
1409
1410                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1411                                                   &row, &column))
1412                         return;
1413                 if (prev_row != row) {
1414                         gtk_clist_unselect_all(clist);
1415                         if (event->button == 2)
1416                                 folderview_select_node
1417                                         (folderview,
1418                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1419                                                             row));
1420                         else
1421                                 gtk_clist_select_row(clist, row, column);
1422                 }
1423         }
1424
1425         if (event->button != 3) return;
1426
1427         item = gtk_clist_get_row_data(clist, row);
1428         g_return_if_fail(item != NULL);
1429         g_return_if_fail(item->folder != NULL);
1430         folder = item->folder;
1431
1432         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1433         if (fpopup != NULL)
1434                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1435         else {
1436                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1437                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1438         }
1439
1440         if (fpopup->set_sensitivity != NULL)
1441                 fpopup->set_sensitivity(fpopup_factory, item);
1442
1443         if (item == folder->trash &&
1444             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1445                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1446                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1447         } else if (item != folder->trash) {
1448                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1449                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1450         }
1451
1452 #define SET_SENS(name, sens) \
1453         menu_set_sensitive(fpopup_factory, name, sens)
1454
1455         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1456         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1457                  folderview->selected == folderview->opened);
1458         SET_SENS("/Properties...", item->node->parent != NULL);
1459         SET_SENS("/Processing...", item->node->parent != NULL);
1460         if (item == folder->trash)
1461                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1462 #undef SET_SENS
1463
1464         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1465         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1466                        event->button, event->time);
1467 }
1468
1469 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1470                                        FolderView *folderview)
1471 {
1472         if (!event) return;
1473
1474         if (event->button == 1 && folderview->open_folder == FALSE &&
1475             folderview->opened != NULL) {
1476                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1477                                           folderview->opened);
1478                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1479         }
1480 }
1481
1482 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1483                                    FolderView *folderview)
1484 {
1485         if (!event) return;
1486
1487         switch (event->keyval) {
1488         case GDK_Return:
1489                 if (folderview->selected) {
1490                         folderview_select_node(folderview,
1491                                                folderview->selected);
1492                 }
1493                 break;
1494         case GDK_space:
1495                 if (folderview->selected) {
1496                         if (folderview->opened == folderview->selected &&
1497                             (!folderview->summaryview->folder_item ||
1498                              folderview->summaryview->folder_item->total_msgs == 0))
1499                                 folderview_select_next_unread(folderview);
1500                         else
1501                                 folderview_select_node(folderview,
1502                                                        folderview->selected);
1503                 }
1504                 break;
1505         default:
1506                 break;
1507         }
1508 }
1509
1510 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1511                                 gint column, FolderView *folderview)
1512 {
1513         static gboolean can_select = TRUE;      /* exclusive lock */
1514         gboolean opened;
1515         FolderItem *item;
1516         gchar *buf;
1517
1518         folderview->selected = row;
1519
1520         if (folderview->opened == row) {
1521                 folderview->open_folder = FALSE;
1522                 return;
1523         }
1524
1525         if (!can_select || summary_is_locked(folderview->summaryview)) {
1526                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1527                 gtk_ctree_select(ctree, folderview->opened);
1528                 return;
1529         }
1530
1531         if (!folderview->open_folder) return;
1532
1533         item = gtk_ctree_node_get_row_data(ctree, row);
1534         if (!item) return;
1535
1536         can_select = FALSE;
1537
1538         /* Save cache for old folder */
1539         /* We don't want to lose all caches if sylpheed crashed */
1540         if (folderview->opened) {
1541                 FolderItem *olditem;
1542
1543                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1544                 if (olditem) {
1545                         /* will be null if we just moved the previously opened folder */
1546                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1547                         folder_item_close(olditem);
1548                 }
1549         }
1550
1551         /* CLAWS: set compose button type: news folder items
1552          * always have a news folder as parent */
1553         if (item->folder)
1554                 toolbar_set_compose_button
1555                         (folderview->mainwin->toolbar,
1556                          FOLDER_TYPE(item->folder) == F_NEWS ?
1557                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1558
1559         if (item->path)
1560                 debug_print("Folder %s is selected\n", item->path);
1561
1562         if (!GTK_CTREE_ROW(row)->children)
1563                 gtk_ctree_expand(ctree, row);
1564         if (folderview->opened &&
1565             !GTK_CTREE_ROW(folderview->opened)->children)
1566                 gtk_ctree_collapse(ctree, folderview->opened);
1567
1568         /* ungrab the mouse event */
1569         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1570                 gtk_grab_remove(GTK_WIDGET(ctree));
1571                 if (gdk_pointer_is_grabbed())
1572                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1573         }
1574
1575         /* Open Folder */
1576         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1577                                         item->path : "(null)");
1578         debug_print("%s\n", buf);
1579         STATUSBAR_PUSH(folderview->mainwin, buf);
1580         g_free(buf);
1581
1582         main_window_cursor_wait(folderview->mainwin);
1583
1584         if (folder_item_open(item) != 0) {
1585                 main_window_cursor_normal(folderview->mainwin);
1586                 STATUSBAR_POP(folderview->mainwin);
1587
1588                 alertpanel_error(_("Folder could not be opened."));
1589
1590                 folderview->open_folder = FALSE;
1591                 can_select = TRUE;
1592
1593                 return;
1594         }
1595
1596         main_window_cursor_normal(folderview->mainwin);
1597
1598         /* Show messages */
1599         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1600         opened = summary_show(folderview->summaryview, item);
1601
1602         folder_clean_cache_memory();
1603
1604         if (!opened) {
1605                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1606                 gtk_ctree_select(ctree, folderview->opened);
1607         } else {
1608                 folderview->opened = row;
1609                 if (gtk_ctree_node_is_visible(ctree, row)
1610                     != GTK_VISIBILITY_FULL)
1611                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1612         }
1613
1614         STATUSBAR_POP(folderview->mainwin);
1615
1616         folderview->open_folder = FALSE;
1617         can_select = TRUE;
1618 }
1619
1620 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1621                                      FolderView *folderview)
1622 {
1623         FolderItem *item;
1624
1625         item = gtk_ctree_node_get_row_data(ctree, node);
1626         g_return_if_fail(item != NULL);
1627         item->collapsed = FALSE;
1628         folderview_update_node(folderview, node);
1629 }
1630
1631 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1632                                       FolderView *folderview)
1633 {
1634         FolderItem *item;
1635
1636         item = gtk_ctree_node_get_row_data(ctree, node);
1637         g_return_if_fail(item != NULL);
1638         item->collapsed = TRUE;
1639         folderview_update_node(folderview, node);
1640 }
1641
1642 static void folderview_popup_close(GtkMenuShell *menu_shell,
1643                                    FolderView *folderview)
1644 {
1645         if (!folderview->opened) return;
1646
1647         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1648                                   folderview->opened);
1649         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1650 }
1651
1652 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1653                                    FolderView *folderview)
1654 {
1655         switch (column) {
1656         case COL_FOLDER:
1657                 prefs_common.folder_col_folder = width;
1658                 break;
1659         case COL_NEW:
1660                 prefs_common.folder_col_new = width;
1661                 break;
1662         case COL_UNREAD:
1663                 prefs_common.folder_col_unread = width;
1664                 break;
1665         case COL_TOTAL:
1666                 prefs_common.folder_col_total = width;
1667                 break;
1668         default:
1669                 break;
1670         }
1671 }
1672
1673 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1674 {
1675         GNode *srcnode;
1676
1677         folderview_create_folder_node(folderview, item);
1678
1679         srcnode = item->folder->node;
1680         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1681         srcnode = srcnode->children;
1682         while (srcnode != NULL) {
1683                 if (srcnode && srcnode->data) {
1684                         FolderItem *next_item = (FolderItem*) srcnode->data;
1685                         folderview_create_folder_node_recursive(folderview, next_item);
1686                 }
1687                 srcnode = srcnode->next;
1688         }
1689 }
1690
1691 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1692 {
1693         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1694         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1695         GtkCTreeNode *node, *parent_node;
1696
1697         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1698         if (parent_node == NULL)
1699                 return;
1700
1701         gtk_clist_freeze(GTK_CLIST(ctree));
1702
1703         text[COL_FOLDER] = item->name;
1704         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1705                                      FOLDER_SPACING,
1706                                      folderxpm, folderxpmmask,
1707                                      folderopenxpm, folderopenxpmmask,
1708                                      FALSE, FALSE);
1709         gtk_ctree_expand(ctree, parent_node);
1710         gtk_ctree_node_set_row_data(ctree, node, item);
1711         if (normal_style)
1712                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1713         folderview_sort_folders(folderview, folderview->selected, item->folder);
1714
1715         gtk_clist_thaw(GTK_CLIST(ctree));
1716 }
1717
1718 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1719                                       GtkWidget *widget)
1720 {
1721         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1722         FolderItem *item;
1723         GSList *mlist = NULL;
1724         GSList *cur = NULL;
1725         if (!folderview->selected) return;
1726
1727         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1728         g_return_if_fail(item != NULL);
1729         g_return_if_fail(item->folder != NULL);
1730         if (item != item->folder->trash) return;
1731
1732         if (prefs_common.ask_on_clean) {
1733                 if (alertpanel(_("Empty trash"),
1734                                _("Empty all messages in trash?"),
1735                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1736                         return;
1737         }
1738
1739         mlist = folder_item_get_msg_list(item);
1740
1741         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1742                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1743                 partial_mark_for_delete(msginfo);
1744                 procmsg_msginfo_free(msginfo);
1745         }
1746
1747         folder_item_remove_all_msg(item);
1748 }
1749
1750 static void folderview_search_cb(FolderView *folderview, guint action,
1751                                  GtkWidget *widget)
1752 {
1753         summary_search(folderview->summaryview);
1754 }
1755
1756 static void folderview_property_cb(FolderView *folderview, guint action,
1757                                    GtkWidget *widget)
1758 {
1759         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1760         FolderItem *item;
1761
1762         if (!folderview->selected) return;
1763
1764         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1765         g_return_if_fail(item != NULL);
1766         g_return_if_fail(item->folder != NULL);
1767
1768         if (folder_item_parent(item) == NULL)
1769                 return;
1770
1771         prefs_folder_item_open(item);
1772 }
1773
1774 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1775 {
1776         GSList *list = NULL;
1777         GSList *done = NULL;
1778         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1779
1780         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1781                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1782                 &&  list->data != node) {
1783                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1784                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1785                 }
1786         }
1787         for (list = done; list != NULL; list = g_slist_next(list)) {
1788                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1789                                                                  list->data);
1790         }
1791         g_slist_free(done);
1792 }
1793
1794 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1795                             FolderItem *to_folder)
1796 {
1797         FolderItem *from_parent = NULL;
1798         FolderItem *new_folder = NULL;
1799         GtkCTreeNode *src_node = NULL;
1800         gchar *buf;
1801         gint status;
1802
1803         g_return_if_fail(folderview != NULL);
1804         g_return_if_fail(from_folder != NULL);
1805         g_return_if_fail(to_folder != NULL);
1806
1807         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1808         from_parent = folder_item_parent(from_folder);
1809         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1810         STATUSBAR_PUSH(folderview->mainwin, buf);
1811         g_free(buf);
1812         summary_clear_all(folderview->summaryview);
1813         folderview->opened = NULL;
1814         folderview->selected = NULL;
1815         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1816         inc_lock();
1817         main_window_cursor_wait(folderview->mainwin);
1818         statusbar_verbosity_set(TRUE);
1819         folder_item_update_freeze();
1820         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1821                 statusbar_verbosity_set(FALSE);
1822                 main_window_cursor_normal(folderview->mainwin);
1823                 STATUSBAR_POP(folderview->mainwin);
1824                 folder_item_update_thaw();
1825                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1826
1827                 folderview_sort_folders(folderview,
1828                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1829                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1830                 folderview_select(folderview, new_folder);
1831         } else {
1832                 statusbar_verbosity_set(FALSE);
1833                 main_window_cursor_normal(folderview->mainwin);
1834                 STATUSBAR_POP(folderview->mainwin);
1835                 folder_item_update_thaw();
1836                 switch (status) {
1837                 case F_MOVE_FAILED_DEST_IS_PARENT:
1838                         alertpanel_error(_("Source and destination are the same."));
1839                         break;
1840                 case F_MOVE_FAILED_DEST_IS_CHILD:
1841                         alertpanel_error(_("Can't move a folder to one of its children."));
1842                         break;
1843                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1844                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1845                         break;
1846                 default:
1847                         alertpanel_error(_("Move failed!"));
1848                         break;
1849                 }
1850         }
1851         inc_unlock();
1852         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1853 }
1854
1855 static gint folderview_clist_compare(GtkCList *clist,
1856                                      gconstpointer ptr1, gconstpointer ptr2)
1857 {
1858         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1859         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1860
1861         if (!item1->name)
1862                 return (item2->name != NULL);
1863         if (!item2->name)
1864                 return -1;
1865
1866         return g_strcasecmp(item1->name, item2->name);
1867 }
1868
1869 static void folderview_processing_cb(FolderView *folderview, guint action,
1870                                      GtkWidget *widget)
1871 {
1872         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1873         FolderItem *item;
1874
1875         if (!folderview->selected) return;
1876
1877         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1878         g_return_if_fail(item != NULL);
1879         g_return_if_fail(item->folder != NULL);
1880
1881         prefs_filtering_open(&item->prefs->processing,
1882                              _("Processing configuration"), NULL, NULL);
1883 }
1884
1885 void folderview_set_target_folder_color(gint color_op)
1886 {
1887         gint firstone = 1;
1888         GList *list;
1889         FolderView *folderview;
1890
1891         for (list = folderview_list; list != NULL; list = list->next) {
1892                 folderview = (FolderView *)list->data;
1893                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1894                 if (firstone) {
1895                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1896                                 folderview->color_op;
1897                         firstone = 0;
1898                 }
1899         }
1900 }
1901
1902 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1903 {
1904         folderview_init(folderview);
1905         folderview_set_all();
1906 }
1907
1908 static void drag_state_stop(FolderView *folderview)
1909 {
1910         if (folderview->drag_timer)
1911                 gtk_timeout_remove(folderview->drag_timer);
1912         folderview->drag_timer = 0;
1913         folderview->drag_node = NULL;
1914 }
1915
1916 static gint folderview_defer_expand(FolderView *folderview)
1917 {
1918         if (folderview->drag_node) {
1919                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1920                 if (folderview->drag_item->collapsed) {
1921                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1922                         folderview->nodes_to_recollapse = g_slist_append
1923                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1924                 }
1925         }
1926         folderview->drag_item  = NULL;
1927         folderview->drag_timer = 0;
1928         return FALSE;
1929 }
1930
1931 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1932 {
1933         /* the idea is that we call drag_state_start() whenever we want expansion to
1934          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
1935          * we need to call drag_state_stop() */
1936         drag_state_stop(folderview);
1937         /* request expansion */
1938         if (0 != (folderview->drag_timer = gtk_timeout_add
1939                         (prefs_common.hover_timeout,
1940                          (GtkFunction)folderview_defer_expand,
1941                          folderview))) {
1942                 folderview->drag_node = node;
1943                 folderview->drag_item = item;
1944         }
1945 }
1946
1947 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
1948                                   FolderView       *folderview)
1949 {
1950         GdkDragContext *context;
1951
1952         g_return_if_fail(folderview != NULL);
1953         if (folderview->selected == NULL) return;
1954         if (folderview->nodes_to_recollapse)
1955                 g_slist_free(folderview->nodes_to_recollapse);
1956         folderview->nodes_to_recollapse = NULL;
1957         context = gtk_drag_begin(widget, folderview->target_list,
1958                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
1959         gtk_drag_set_icon_default(context);
1960 }
1961
1962 static void folderview_drag_data_get(GtkWidget        *widget,
1963                                      GdkDragContext   *drag_context,
1964                                      GtkSelectionData *selection_data,
1965                                      guint             info,
1966                                      guint             time,
1967                                      FolderView       *folderview)
1968 {
1969         FolderItem *item;
1970         GList *cur;
1971         gchar *source = NULL;
1972
1973         for (cur = GTK_CLIST(folderview->ctree)->selection;
1974              cur != NULL; cur = cur->next) {
1975                 item = gtk_ctree_node_get_row_data
1976                         (GTK_CTREE(folderview->ctree),
1977                          GTK_CTREE_NODE(cur->data));
1978                 if (item) {
1979                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
1980                         gtk_selection_data_set(selection_data,
1981                                                selection_data->target, 8,
1982                                                source, strlen(source));
1983                         break;
1984                 } else
1985                         return;
1986         }
1987 }
1988
1989 gboolean folderview_update_folder(gpointer source, gpointer userdata)
1990 {
1991         FolderUpdateData *hookdata;
1992         FolderView *folderview;
1993         GtkWidget *ctree;
1994
1995         hookdata = source;
1996         folderview = (FolderView *) userdata;
1997         g_return_val_if_fail(hookdata != NULL, FALSE);
1998         g_return_val_if_fail(folderview != NULL, FALSE);
1999
2000         ctree = folderview->ctree;
2001         g_return_val_if_fail(ctree != NULL, FALSE);
2002
2003         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2004                 folderview_create_folder_node(folderview, hookdata->item);
2005         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2006                 GtkCTreeNode *node;
2007
2008                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2009                 if (node != NULL)
2010                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2011         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2012                 folderview_set(folderview);
2013
2014         return FALSE;
2015 }
2016
2017 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2018                                           GdkDragContext *context,
2019                                           gint            x,
2020                                           gint            y,
2021                                           guint           time,
2022                                           FolderView     *folderview)
2023 {
2024         gint row, column;
2025         FolderItem *item, *src_item = NULL;
2026         GtkCTreeNode *node = NULL;
2027         gboolean acceptable = FALSE;
2028         gint height = folderview->ctree->allocation.height;
2029         gint total_height = folderview->ctree->requisition.height;
2030         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2031                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2032         gfloat vpos = pos->value;
2033
2034         if (gtk_clist_get_selection_info
2035                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2036                 GtkWidget *srcwidget;
2037
2038                 if (y > height - 24 && height + vpos < total_height)
2039                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2040
2041                 if (y < 24 && y > 0)
2042                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2043
2044                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2045                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2046                 src_item = folderview->summaryview->folder_item;
2047
2048                 srcwidget = gtk_drag_get_source_widget(context);
2049                 if (srcwidget == folderview->summaryview->ctree) {
2050                         /* comes from summaryview */
2051                         /* we are copying messages, so only accept folder items that are not
2052                            the source item, are no root items and can copy messages */
2053                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2054                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2055                                 acceptable = TRUE;
2056                 } else if (srcwidget == folderview->ctree) {
2057                         /* comes from folderview */
2058                         /* we are moving folder items, only accept folders that are not
2059                            the source items and can copy messages and create folder items */
2060                         if (item && item->folder && src_item && src_item != item &&
2061                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2062                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2063                                 acceptable = TRUE;
2064                 }
2065         }
2066
2067         if (acceptable || (src_item && src_item == item))
2068                 drag_state_start(folderview, node, item);
2069
2070         if (acceptable) {
2071                 gtk_signal_handler_block_by_func
2072                         (GTK_OBJECT(widget),
2073                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2074                 gtk_ctree_select(GTK_CTREE(widget), node);
2075                 gtk_signal_handler_unblock_by_func
2076                         (GTK_OBJECT(widget),
2077                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2078                 gdk_drag_status(context,
2079                                         (context->actions == GDK_ACTION_COPY ?
2080                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2081         } else {
2082                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2083                 gdk_drag_status(context, 0, time);
2084         }
2085
2086         return acceptable;
2087 }
2088
2089 static void folderview_drag_leave_cb(GtkWidget      *widget,
2090                                      GdkDragContext *context,
2091                                      guint           time,
2092                                      FolderView     *folderview)
2093 {
2094         drag_state_stop(folderview);
2095         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2096 }
2097
2098 static void folderview_drag_received_cb(GtkWidget        *widget,
2099                                         GdkDragContext   *drag_context,
2100                                         gint              x,
2101                                         gint              y,
2102                                         GtkSelectionData *data,
2103                                         guint             info,
2104                                         guint             time,
2105                                         FolderView       *folderview)
2106 {
2107         gint row, column;
2108         FolderItem *item, *src_item;
2109         GtkCTreeNode *node;
2110
2111         drag_state_stop(folderview);
2112         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2113                 /* comes from summaryview */
2114                 if (gtk_clist_get_selection_info
2115                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2116                         return;
2117
2118                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2119                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2120                 src_item = folderview->summaryview->folder_item;
2121
2122                 /* re-check (due to acceptable possibly set for folder moves */
2123                 if (!(item && item->folder && item->path &&
2124                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2125                         return;
2126                 }
2127                 if (item && src_item) {
2128                         switch (drag_context->action) {
2129                         case GDK_ACTION_COPY:
2130                                 summary_copy_selected_to(folderview->summaryview, item);
2131                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2132                                 break;
2133                         case GDK_ACTION_MOVE:
2134                         case GDK_ACTION_DEFAULT:
2135                         default:
2136                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2137                                         summary_copy_selected_to(folderview->summaryview, item);
2138                                 else
2139                                         summary_move_selected_to(folderview->summaryview, item);
2140                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2141                         }
2142                 } else
2143                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2144         } else {
2145                 /* comes from folderview */
2146                 char *source;
2147
2148                 source = data->data + 17;
2149                 if (gtk_clist_get_selection_info
2150                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2151                     || *source == 0) {
2152                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2153                         return;
2154                 }
2155                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2156                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2157                 src_item = folder_find_item_from_identifier(source);
2158
2159                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2160                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2161                         return;
2162                 }
2163
2164                 folderview_move_folder(folderview, src_item, item);
2165                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2166         }
2167         folderview->nodes_to_recollapse = NULL;
2168 }
2169
2170 static void folderview_drag_end_cb(GtkWidget        *widget,
2171                                    GdkDragContext   *drag_context,
2172                                    FolderView       *folderview)
2173 {
2174         drag_state_stop(folderview);
2175         g_slist_free(folderview->nodes_to_recollapse);
2176         folderview->nodes_to_recollapse = NULL;
2177 }
2178
2179 void folderview_register_popup(FolderViewPopup *fpopup)
2180 {
2181         GList *folderviews;
2182
2183         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2184                 FolderView *folderview = folderviews->data;
2185                 GtkItemFactory *factory;
2186
2187                 factory = create_ifactory(folderview, fpopup);
2188                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2189         }
2190         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2191 }
2192
2193 void folderview_unregister_popup(FolderViewPopup *fpopup)
2194 {
2195         GList *folderviews;
2196
2197         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2198                 FolderView *folderview = folderviews->data;
2199
2200                 g_hash_table_remove(folderview->popups, fpopup->klass);
2201         }
2202         g_hash_table_remove(folderview_popups, fpopup->klass);
2203 }