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 <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  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 gboolean folderview_button_pressed       (GtkWidget      *ctree,
 155                                                  GdkEventButton *event,
 156                                                  FolderView     *folderview);
 157 static gboolean folderview_button_released      (GtkWidget      *ctree,
 158                                                  GdkEventButton *event,
 159                                                  FolderView     *folderview);
 160 static gboolean 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 re_ad"),         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_("/Process_ing..."),         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         g_signal_connect(G_OBJECT(popup), "selection_done",
 299                          G_CALLBACK(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_size_request(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
 374         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 375                          G_CALLBACK(folderview_key_pressed),
 376                          folderview);
 377         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 378                          G_CALLBACK(folderview_button_pressed),
 379                          folderview);
 380         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 381                          G_CALLBACK(folderview_button_released),
 382                          folderview);
 383         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 384                          G_CALLBACK(folderview_selected), folderview);
 385         g_signal_connect(G_OBJECT(ctree), "start_drag",
 386                          G_CALLBACK(folderview_start_drag), folderview);
 387         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 388                          G_CALLBACK(folderview_drag_data_get),
 389                          folderview);
 390
 391         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 392                                G_CALLBACK(folderview_tree_expanded),
 393                                folderview);
 394         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 395                                G_CALLBACK(folderview_tree_collapsed),
 396                                folderview);
 397
 398         g_signal_connect(G_OBJECT(ctree), "resize_column",
 399                          G_CALLBACK(folderview_col_resized),
 400                          folderview);
 401
 402         /* drop callback */
 403         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 404                           summary_drag_types, 1,
 405                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 406         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 407                          G_CALLBACK(folderview_drag_motion_cb),
 408                          folderview);
 409         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 410                          G_CALLBACK(folderview_drag_leave_cb),
 411                          folderview);
 412         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 413                          G_CALLBACK(folderview_drag_received_cb),
 414                          folderview);
 415         g_signal_connect(G_OBJECT(ctree), "drag_end",
 416                          G_CALLBACK(folderview_drag_end_cb),
 417                          folderview);
 418
 419         folderview->scrolledwin  = scrolledwin;
 420         folderview->ctree        = ctree;
 421
 422         folderview->folder_update_callback_id =
 423                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 424         folderview->folder_item_update_callback_id =
 425                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 426
 427         gtk_widget_show_all(scrolledwin);
 428
 429         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 430         folderview_list = g_list_append(folderview_list, folderview);
 431
 432         return folderview;
 433 }
 434
 435 void folderview_init(FolderView *folderview)
 436 {
 437         GtkWidget *ctree = folderview->ctree;
 438         GtkWidget *label_new;
 439         GtkWidget *label_unread;
 440         GtkWidget *label_total;
 441         GtkWidget *hbox_new;
 442         GtkWidget *hbox_unread;
 443         GtkWidget *hbox_total;
 444
 445         gtk_widget_realize(ctree);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 468
 469         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 470          * instead text (text overflows making them unreadable and ugly) */
 471         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 472                          &newxpm, &newxpmmask);
 473         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 474                          &unreadxpm, &unreadxpmmask);
 475         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 476                          &readxpm, &readxpmmask);
 477
 478         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 479         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 480         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 481
 482         hbox_new = gtk_hbox_new(FALSE, 4);
 483         hbox_unread = gtk_hbox_new(FALSE, 4);
 484         hbox_total = gtk_hbox_new(FALSE, 4);
 485
 486         /* left justified */
 487         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 488         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 489         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 490         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 491         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 492         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 493
 494         gtk_widget_show_all(hbox_new);
 495         gtk_widget_show_all(hbox_unread);
 496         gtk_widget_show_all(hbox_total);
 497
 498         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 501
 502         if (!normal_style) {
 503                 PangoFontDescription *font_desc;
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 506                 if (font_desc) {
 507                         if (normal_style->font_desc)
 508                                 pango_font_description_free
 509                                         (normal_style->font_desc);
 510                         normal_style->font_desc = font_desc;
 511                 }
 512                 normal_color_style = gtk_style_copy(normal_style);
 513                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 514
 515                 gtk_widget_set_style(ctree, normal_style);
 516         }
 517
 518         if (!bold_style) {
 519                 PangoFontDescription *font_desc;
 520                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 521                 font_desc = pango_font_description_from_string(BOLD_FONT);
 522                 if (font_desc) {
 523                         if (bold_style->font_desc)
 524                                 pango_font_description_free
 525                                         (bold_style->font_desc);
 526                         bold_style->font_desc = font_desc;
 527                 }
 528                 pango_font_description_set_weight
 529                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 530                 bold_color_style = gtk_style_copy(bold_style);
 531                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 532
 533                 bold_tgtfold_style = gtk_style_copy(bold_style);
 534                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 535         }
 536 }
 537
 538 void folderview_set(FolderView *folderview)
 539 {
 540         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 541         MainWindow *mainwin = folderview->mainwin;
 542
 543         debug_print("Setting folder info...\n");
 544         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 545
 546         main_window_cursor_wait(mainwin);
 547
 548         folderview->selected = NULL;
 549         folderview->opened = NULL;
 550
 551         gtk_clist_freeze(GTK_CLIST(ctree));
 552         gtk_clist_clear(GTK_CLIST(ctree));
 553         gtk_clist_thaw(GTK_CLIST(ctree));
 554         gtk_clist_freeze(GTK_CLIST(ctree));
 555
 556         folderview_set_folders(folderview);
 557
 558         gtk_clist_thaw(GTK_CLIST(ctree));
 559         main_window_cursor_normal(mainwin);
 560         STATUSBAR_POP(mainwin);
 561 }
 562
 563 void folderview_set_all(void)
 564 {
 565         GList *list;
 566
 567         for (list = folderview_list; list != NULL; list = list->next)
 568                 folderview_set((FolderView *)list->data);
 569 }
 570
 571 void folderview_select(FolderView *folderview, FolderItem *item)
 572 {
 573         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 574         GtkCTreeNode *node;
 575         GtkCTreeNode *old_selected = folderview->selected;
 576
 577         if (!item) return;
 578
 579         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 580         if (node) folderview_select_node(folderview, node);
 581
 582         if (old_selected != node)
 583                 folder_update_op_count();
 584 }
 585
 586 static void mark_all_read_cb(FolderView *folderview, guint action,
 587                              GtkWidget *widget)
 588 {
 589         FolderItem *item;
 590
 591         item = folderview_get_selected_item(folderview);
 592         if (item == NULL)
 593                 return;
 594
 595         summary_lock(folderview->summaryview);
 596         folder_item_update_freeze();
 597         if (folderview->summaryview->folder_item == item)
 598                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 599         folderutils_mark_all_read(item);
 600         if (folderview->summaryview->folder_item == item)
 601                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 602         folder_item_update_thaw();
 603         summary_unlock(folderview->summaryview);
 604 }
 605
 606 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 607 {
 608         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 609
 610         g_return_if_fail(node != NULL);
 611
 612         folderview->open_folder = TRUE;
 613         gtkut_ctree_set_focus_row(ctree, node);
 614         gtk_ctree_select(ctree, node);
 615         if (folderview->summaryview->folder_item &&
 616             folderview->summaryview->folder_item->total_msgs > 0)
 617                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 618         else
 619                 gtk_widget_grab_focus(folderview->ctree);
 620
 621         gtkut_ctree_expand_parent_all(ctree, node);
 622 }
 623
 624 void folderview_unselect(FolderView *folderview)
 625 {
 626         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 627                 gtk_ctree_collapse
 628                         (GTK_CTREE(folderview->ctree), folderview->opened);
 629
 630         folderview->selected = folderview->opened = NULL;
 631 }
 632
 633 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 634                                                  GtkCTreeNode *node)
 635 {
 636         FolderItem *item;
 637
 638         if (node)
 639                 node = gtkut_ctree_node_next(ctree, node);
 640         else
 641                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 642
 643         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 644                 item = gtk_ctree_node_get_row_data(ctree, node);
 645                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 646                         return node;
 647         }
 648
 649         return NULL;
 650 }
 651
 652 void folderview_select_next_unread(FolderView *folderview)
 653 {
 654         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 655         GtkCTreeNode *node = NULL;
 656
 657         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 658             != NULL) {
 659                 folderview_select_node(folderview, node);
 660                 return;
 661         }
 662
 663         if (!folderview->opened ||
 664             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 665                 return;
 666         /* search again from the first node */
 667         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 668                 folderview_select_node(folderview, node);
 669 }
 670
 671 FolderItem *folderview_get_selected_item(FolderView *folderview)
 672 {
 673         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 674
 675         if (!folderview->selected) return NULL;
 676         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 677 }
 678
 679 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 680 {
 681         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 682         static GtkCTreeNode *prev_row = NULL;
 683         FolderItem *item;
 684         gint new, unread, total;
 685         gchar *new_str, *unread_str, *total_str;
 686
 687         if (!row) return;
 688
 689         item = gtk_ctree_node_get_row_data(ctree, row);
 690         if (!item) return;
 691
 692         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 693         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 694         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 695         new = atoi(new_str);
 696         unread = atoi(unread_str);
 697         total = atoi(total_str);
 698
 699         prev_row = row;
 700
 701         folderview_update_node(folderview, row);
 702 }
 703
 704 void folderview_append_item(FolderItem *item)
 705 {
 706         GList *list;
 707
 708         g_return_if_fail(item != NULL);
 709         g_return_if_fail(item->folder != NULL);
 710         if (folder_item_parent(item)) return;
 711
 712         for (list = folderview_list; list != NULL; list = list->next) {
 713                 FolderView *folderview = (FolderView *)list->data;
 714                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 715                 GtkCTreeNode *node, *child;
 716
 717                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 718                                                   folder_item_parent(item));
 719                 if (node) {
 720                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 721                         if (!child) {
 722                                 gchar *text[N_FOLDER_COLS] =
 723                                         {NULL, "0", "0", "0"};
 724
 725                                 gtk_clist_freeze(GTK_CLIST(ctree));
 726
 727                                 text[COL_FOLDER] = item->name;
 728                                 child = gtk_ctree_insert_node
 729                                         (ctree, node, NULL, text,
 730                                          FOLDER_SPACING,
 731                                          folderxpm, folderxpmmask,
 732                                          folderopenxpm, folderopenxpmmask,
 733                                          FALSE, FALSE);
 734                                 gtk_ctree_node_set_row_data(ctree, child, item);
 735                                 gtk_ctree_expand(ctree, node);
 736                                 folderview_update_node(folderview, child);
 737                                 folderview_sort_folders(folderview, node,
 738                                                         item->folder);
 739
 740                                 gtk_clist_thaw(GTK_CLIST(ctree));
 741                         }
 742                 }
 743         }
 744 }
 745
 746 static void folderview_set_folders(FolderView *folderview)
 747 {
 748         GList *list;
 749
 750         list = folder_get_list();
 751
 752         for (; list != NULL; list = list->next)
 753                 folderview_append_folder(folderview, FOLDER(list->data));
 754 }
 755
 756 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 757                                       gpointer data)
 758 {
 759         GList *list;
 760
 761         for (list = folderview_list; list != NULL; list = list->next) {
 762                 FolderView *folderview = (FolderView *)list->data;
 763                 MainWindow *mainwin = folderview->mainwin;
 764                 gchar *str;
 765
 766                 if (item->path)
 767                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 768                                               item->folder->name, G_DIR_SEPARATOR,
 769                                               item->path);
 770                 else
 771                         str = g_strdup_printf(_("Scanning folder %s ..."),
 772                                               item->folder->name);
 773
 774                 STATUSBAR_PUSH(mainwin, str);
 775                 STATUSBAR_POP(mainwin);
 776                 g_free(str);
 777         }
 778 }
 779
 780 static GtkWidget *label_window_create(const gchar *str)
 781 {
 782         GtkWidget *window;
 783         GtkWidget *label;
 784
 785         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 786         gtk_widget_set_size_request(window, 380, 60);
 787         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 788         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 789         gtk_window_set_title(GTK_WINDOW(window), str);
 790         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 791         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 792         manage_window_set_transient(GTK_WINDOW(window));
 793
 794         label = gtk_label_new(str);
 795         gtk_container_add(GTK_CONTAINER(window), label);
 796         gtk_widget_show(label);
 797
 798         gtk_widget_show_now(window);
 799
 800         return window;
 801 }
 802
 803 void folderview_rescan_tree(Folder *folder)
 804 {
 805         GtkWidget *window;
 806
 807         g_return_if_fail(folder != NULL);
 808
 809         if (!folder->klass->scan_tree) return;
 810
 811         inc_lock();
 812         window = label_window_create(_("Rebuilding folder tree..."));
 813
 814         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 815         folder_scan_tree(folder);
 816         folder_set_ui_func(folder, NULL, NULL);
 817
 818         folderview_set_all();
 819
 820         gtk_widget_destroy(window);
 821         inc_unlock();
 822 }
 823
 824 /** folderview_check_new()
 825  *  Scan and update the folder and return the
 826  *  count the number of new messages since last check.
 827  *  \param folder the folder to check for new messages
 828  *  \return the number of new messages since last check
 829  */
 830 gint folderview_check_new(Folder *folder)
 831 {
 832         GList *list;
 833         FolderItem *item;
 834         FolderView *folderview;
 835         GtkCTree *ctree;
 836         GtkCTreeNode *node;
 837         gint new_msgs = 0;
 838         gint former_new_msgs = 0;
 839         gint former_new = 0;
 840
 841         for (list = folderview_list; list != NULL; list = list->next) {
 842                 folderview = (FolderView *)list->data;
 843                 ctree = GTK_CTREE(folderview->ctree);
 844
 845                 inc_lock();
 846                 main_window_lock(folderview->mainwin);
 847                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 848
 849                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 850                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 851                         item = gtk_ctree_node_get_row_data(ctree, node);
 852                         if (!item || !item->path || !item->folder) continue;
 853                         if (item->no_select) continue;
 854                         if (folder && folder != item->folder) continue;
 855                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 856                         if (!item->prefs->newmailcheck) continue;
 857
 858                         folderview_scan_tree_func(item->folder, item, NULL);
 859                         former_new = item->new_msgs;
 860                         summaryview_lock(folderview->summaryview, item);
 861                         if (folder_item_scan(item) < 0) {
 862                                 summaryview_unlock(folderview->summaryview, item);
 863                                 if (folder && !FOLDER_IS_LOCAL(folder))
 864                                         break;
 865                         }
 866                         summaryview_unlock(folderview->summaryview, item);
 867
 868                         folderview_update_node(folderview, node);
 869                         new_msgs += item->new_msgs;
 870                         former_new_msgs += former_new;
 871                 }
 872
 873                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 874                 main_window_unlock(folderview->mainwin);
 875                 inc_unlock();
 876         }
 877
 878         folder_write_list();
 879         /* Number of new messages since last check is the just the difference
 880          * between former_new_msgs and new_msgs. If new_msgs is less than
 881          * former_new_msgs, that would mean another session accessed the folder
 882          * and the result is not well defined.
 883          */
 884         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 885         return new_msgs;
 886 }
 887
 888 void folderview_check_new_all(void)
 889 {
 890         GList *list;
 891         GtkWidget *window;
 892         FolderView *folderview;
 893
 894         folderview = (FolderView *)folderview_list->data;
 895
 896         inc_lock();
 897         main_window_lock(folderview->mainwin);
 898         window = label_window_create
 899                 (_("Checking for new messages in all folders..."));
 900
 901         list = folder_get_list();
 902         for (; list != NULL; list = list->next) {
 903                 Folder *folder = list->data;
 904
 905                 folderview_check_new(folder);
 906         }
 907
 908         folder_write_list();
 909         folderview_set_all();
 910
 911         gtk_widget_destroy(window);
 912         main_window_unlock(folderview->mainwin);
 913         inc_unlock();
 914 }
 915
 916 static gboolean folderview_have_new_children_sub(FolderView *folderview,
 917                                                  FolderItem *item,
 918                                                  gboolean in_sub)
 919 {
 920         GNode *node = item->folder->node;
 921
 922         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 923         node = node->children;
 924
 925         if (in_sub &&
 926             (item->new_msgs > 0 ||
 927             (item->stype == F_QUEUE && item->total_msgs > 0))) {
 928                 return TRUE;
 929         }
 930
 931         while (node != NULL) {
 932                 if (node && node->data) {
 933                         FolderItem *next_item = (FolderItem*) node->data;
 934                         node = node->next;
 935                         if (folderview_have_new_children_sub(folderview,
 936                                                              next_item, TRUE))
 937                                 return TRUE;
 938                 }
 939         }
 940
 941         return FALSE;
 942 }
 943
 944 static gboolean folderview_have_new_children(FolderView *folderview,
 945                                              FolderItem *item)
 946 {
 947         return folderview_have_new_children_sub(folderview, item, FALSE);
 948 }
 949
 950 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
 951                                                     FolderItem *item,
 952                                                     gboolean in_sub)
 953 {
 954         GNode *node = item->folder->node;
 955
 956         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 957         node = node->children;
 958
 959         if (in_sub &&
 960             (item->unread_msgs > 0 ||
 961             (item->stype == F_QUEUE && item->total_msgs > 0))) {
 962                 return TRUE;
 963         }
 964
 965         while (node != NULL) {
 966                 if (node && node->data) {
 967                         FolderItem *next_item = (FolderItem*) node->data;
 968                         node = node->next;
 969                         if (folderview_have_unread_children_sub(folderview,
 970                                                                 next_item,
 971                                                                 TRUE))
 972                                 return TRUE;
 973                 }
 974         }
 975
 976         return FALSE;
 977 }
 978
 979 static gboolean folderview_have_unread_children(FolderView *folderview,
 980                                                 FolderItem *item)
 981 {
 982         return folderview_have_unread_children_sub(folderview, item, FALSE);
 983 }
 984
 985 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
 986                                                       FolderItem *item,
 987                                                       gboolean in_sub)
 988 {
 989         GNode *node = item->folder->node;
 990
 991         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 992         node = node->children;
 993
 994         if (in_sub && item->search_match){
 995                 return TRUE;
 996         }
 997
 998         while (node != NULL) {
 999                 if (node && node->data) {
1000                         FolderItem *next_item = (FolderItem*) node->data;
1001                         node = node->next;
1002                         if (folderview_have_matching_children_sub(folderview,
1003                                                                   next_item,
1004                                                                   TRUE))
1005                                 return TRUE;
1006                 }
1007         }
1008
1009         return FALSE;
1010 }
1011
1012 static gboolean folderview_have_matching_children(FolderView *folderview,
1013                                                   FolderItem *item)
1014 {
1015         return folderview_have_matching_children_sub(folderview, item, FALSE);
1016 }
1017
1018 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1019 {
1020         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1021         GtkStyle *style = NULL;
1022         GtkStyle *color_style = NULL;
1023         FolderItem *item;
1024         GdkPixmap *xpm, *openxpm;
1025         GdkBitmap *mask, *openmask;
1026         static GdkPixmap *searchicon;
1027         static GdkBitmap *searchmask;
1028
1029         gchar *name;
1030         gchar *str;
1031         gboolean add_unread_mark;
1032         gboolean add_sub_match_mark;
1033         gboolean use_bold, use_color;
1034
1035         item = gtk_ctree_node_get_row_data(ctree, node);
1036         g_return_if_fail(item != NULL);
1037
1038         switch (item->stype) {
1039         case F_INBOX:
1040                 if (item->hide_read_msgs) {
1041                         xpm = inboxhrmxpm;
1042                         mask = inboxhrmxpmmask;
1043                         openxpm = inboxopenhrmxpm;
1044                         openmask = inboxopenhrmxpmmask;
1045                 } else {
1046                         xpm = inboxxpm;
1047                         mask = inboxxpmmask;
1048                         openxpm = inboxopenxpm;
1049                         openmask = inboxopenxpmmask;
1050                 }
1051                 break;
1052         case F_OUTBOX:
1053                 if (item->hide_read_msgs) {
1054                         xpm = outboxhrmxpm;
1055                         mask = outboxhrmxpmmask;
1056                         openxpm = outboxopenhrmxpm;
1057                         openmask = outboxopenhrmxpmmask;
1058                 } else {
1059                         xpm = outboxxpm;
1060                         mask = outboxxpmmask;
1061                         openxpm = outboxopenxpm;
1062                         openmask = outboxopenxpmmask;
1063                 }
1064                 break;
1065         case F_QUEUE:
1066                 if (item->hide_read_msgs) {
1067                         xpm = queuehrmxpm;
1068                         mask = queuehrmxpmmask;
1069                         openxpm = queueopenhrmxpm;
1070                         openmask = queueopenhrmxpmmask;
1071                 } else {
1072                         xpm = queuexpm;
1073                         mask = queuexpmmask;
1074                         openxpm = queueopenxpm;
1075                         openmask = queueopenxpmmask;
1076                 }
1077                 break;
1078         case F_TRASH:
1079                 if (item->hide_read_msgs) {
1080                         xpm = trashhrmxpm;
1081                         mask = trashhrmxpmmask;
1082                         openxpm = trashopenhrmxpm;
1083                         openmask = trashopenhrmxpmmask;
1084                 } else {
1085                         xpm = trashxpm;
1086                         mask = trashxpmmask;
1087                         openxpm = trashopenxpm;
1088                         openmask = trashopenxpmmask;
1089                 }
1090                 break;
1091         case F_DRAFT:
1092                 xpm = draftsxpm;
1093                 mask = draftsxpmmask;
1094                 openxpm = draftsopenxpm;
1095                 openmask = draftsopenxpmmask;
1096                 break;
1097         default:
1098                 if (item->hide_read_msgs) {
1099                         xpm = folderhrmxpm;
1100                         mask = folderhrmxpmmask;
1101                         openxpm = folderopenhrmxpm;
1102                         openmask = folderopenhrmxpmmask;
1103                 } else {
1104                         xpm = folderxpm;
1105                         mask = folderxpmmask;
1106                         openxpm = folderopenxpm;
1107                         openmask = folderopenxpmmask;
1108                 }
1109         }
1110         name = folder_item_get_name(item);
1111
1112         if (!GTK_CTREE_ROW(node)->expanded) {
1113                 add_unread_mark = folderview_have_unread_children(
1114                                         folderview, item);
1115                 add_sub_match_mark = folderview_have_matching_children(
1116                                         folderview, item);
1117         } else {
1118                 add_unread_mark = FALSE;
1119                 add_sub_match_mark = FALSE;
1120         }
1121
1122         if (item->search_match) {
1123                 if (!searchicon) {
1124                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1125                          &searchicon, &searchmask);
1126                 }
1127                 xpm = openxpm = searchicon;
1128                 mask = openmask = searchmask;
1129         }
1130
1131         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1132             prefs_common.display_folder_unread) {
1133                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1134                                       add_unread_mark ? "+" : "");
1135                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1136                                         xpm, mask, openxpm, openmask,
1137                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1138                 g_free(str);
1139         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1140                     prefs_common.display_folder_unread)
1141                    || add_sub_match_mark) {
1142
1143                 if (item->unread_msgs > 0)
1144                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1145                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1146                                               item->unreadmarked_msgs > 0 ? "!":"");
1147                 else
1148                         str = g_strdup_printf("%s (+)", name);
1149                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1150                                         xpm, mask, openxpm, openmask,
1151                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1152                 g_free(str);
1153         } else {
1154                 str = g_strdup_printf("%s%s", name,
1155                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1156
1157                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1158                                         xpm, mask, openxpm, openmask,
1159                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1160                 g_free(str);
1161         }
1162         g_free(name);
1163
1164         if (!folder_item_parent(item)) {
1165                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1166                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1167                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1168         } else {
1169                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1170                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1171                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1172         }
1173
1174         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1175             item->stype == F_TRASH) {
1176                 use_bold = use_color = FALSE;
1177         } else if (item->stype == F_QUEUE) {
1178                 /* highlight queue folder if there are any messages */
1179                 use_bold = use_color = (item->total_msgs > 0);
1180         } else {
1181                 /* if unread messages exist, print with bold font */
1182                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1183                 /* if new messages exist, print with colored letter */
1184                 use_color =
1185                         (item->new_msgs > 0) ||
1186                         (add_unread_mark &&
1187                          folderview_have_new_children(folderview, item));
1188         }
1189
1190         gtk_ctree_node_set_foreground(ctree, node, NULL);
1191
1192         if (use_bold) {
1193                 if (item->prefs->color > 0 && !use_color) {
1194                         GdkColor gdk_color;
1195
1196                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1197                         color_style = gtk_style_copy(bold_style);
1198                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1199                         style = color_style;
1200                 } else if (use_color)
1201                         style = bold_color_style;
1202                 else
1203                         style = bold_style;
1204                 if (item->op_count > 0) {
1205                         style = bold_tgtfold_style;
1206                 }
1207         } else if (use_color) {
1208                 style = normal_color_style;
1209                 gtk_ctree_node_set_foreground(ctree, node,
1210                                               &folderview->color_new);
1211         } else if (item->op_count > 0) {
1212                 style = bold_tgtfold_style;
1213         } else if (item->prefs->color > 0) {
1214                 GdkColor gdk_color;
1215                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1216                 color_style = gtk_style_copy(normal_style);
1217                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1218                 style = color_style;
1219         } else {
1220                 style = normal_style;
1221         }
1222
1223         gtk_ctree_node_set_row_style(ctree, node, style);
1224
1225         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1226                 folderview_update_node(folderview, node);
1227 }
1228
1229 #if !CLAWS /* keep it here for syncs */
1230 void folderview_update_item(FolderItem *item, gboolean update_summary)
1231 {
1232         GList *list;
1233         FolderView *folderview;
1234         GtkCTree *ctree;
1235         GtkCTreeNode *node;
1236
1237         g_return_if_fail(item != NULL);
1238
1239         for (list = folderview_list; list != NULL; list = list->next) {
1240                 folderview = (FolderView *)list->data;
1241                 ctree = GTK_CTREE(folderview->ctree);
1242
1243                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1244                 if (node) {
1245                         folderview_update_node(folderview, node);
1246                         if (update_summary && folderview->opened == node)
1247                                 summary_show(folderview->summaryview,
1248                                              item, FALSE);
1249                 }
1250         }
1251 }
1252 #endif
1253
1254 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1255 {
1256         GList *list;
1257         FolderView *folderview;
1258         GtkCTree *ctree;
1259         GtkCTreeNode *node;
1260
1261         g_return_if_fail(item != NULL);
1262
1263         for (list = folderview_list; list != NULL; list = list->next) {
1264                 folderview = (FolderView *)list->data;
1265                 ctree = GTK_CTREE(folderview->ctree);
1266
1267                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1268                 if (node) {
1269                         item->search_match = matches;
1270                         folderview_update_node(folderview, node);
1271                 }
1272         }
1273 }
1274
1275 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1276 {
1277         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1278         FolderView *folderview = (FolderView *)data;
1279         GtkCTree *ctree;
1280         GtkCTreeNode *node;
1281         g_return_val_if_fail(update_info != NULL, TRUE);
1282         g_return_val_if_fail(update_info->item != NULL, TRUE);
1283         g_return_val_if_fail(folderview != NULL, FALSE);
1284
1285         ctree = GTK_CTREE(folderview->ctree);
1286
1287         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1288         if (node) {
1289                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1290                         folderview_update_node(folderview, node);
1291                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1292                         summary_show(folderview->summaryview, update_info->item);
1293         }
1294
1295         return FALSE;
1296 }
1297
1298 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1299                                                 gpointer data)
1300 {
1301         /* CLAWS: share this joy with other hook functions ... */
1302         folder_item_update((FolderItem *)key,
1303                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1304 }
1305
1306 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1307 {
1308         GList *list;
1309         FolderItemUpdateFlags flags;
1310
1311         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1312                 : 0;
1313         for (list = folderview_list; list != NULL; list = list->next)
1314                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1315                                      GINT_TO_POINTER(flags));
1316 }
1317
1318 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1319                                       GNode *gnode, GtkCTreeNode *cnode,
1320                                       gpointer data)
1321 {
1322         FolderView *folderview = (FolderView *)data;
1323         FolderItem *item = FOLDER_ITEM(gnode->data);
1324
1325         g_return_val_if_fail(item != NULL, FALSE);
1326
1327         gtk_ctree_node_set_row_data(ctree, cnode, item);
1328         folderview_update_node(folderview, cnode);
1329
1330         return TRUE;
1331 }
1332
1333 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1334                                    gpointer data)
1335 {
1336         FolderView *folderview = (FolderView *)data;
1337         FolderItem *item;
1338
1339         if (GTK_CTREE_ROW(node)->children) {
1340                 item = gtk_ctree_node_get_row_data(ctree, node);
1341                 g_return_if_fail(item != NULL);
1342
1343                 if (!item->collapsed)
1344                         gtk_ctree_expand(ctree, node);
1345                 else
1346                         folderview_update_node(folderview, node);
1347         }
1348 }
1349
1350 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1351                                GtkCTreeNode *root, GtkCTreeNode **prev)
1352 {
1353         if (item) {
1354                 GtkCTreeNode *node, *parent, *sibling;
1355
1356                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1357                 if (!node)
1358                         g_warning("%s not found.\n", item->path);
1359                 else {
1360                         parent = GTK_CTREE_ROW(node)->parent;
1361                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1362                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1363                         else
1364                                 sibling = GTK_CTREE_ROW(parent)->children;
1365                         while (sibling) {
1366                                 FolderItem *tmp;
1367
1368                                 tmp = gtk_ctree_node_get_row_data
1369                                         (ctree, sibling);
1370                                 if (tmp->stype != F_NORMAL)
1371                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1372                                 else
1373                                         break;
1374                         }
1375                         if (node != sibling)
1376                                 gtk_ctree_move(ctree, node, parent, sibling);
1377                 }
1378
1379                 *prev = node;
1380         }
1381 }
1382
1383 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1384                                     Folder *folder)
1385 {
1386         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1387         GtkCTreeNode *prev = NULL;
1388
1389         gtk_sctree_sort_recursive(ctree, root);
1390
1391         if (root && GTK_CTREE_ROW(root)->parent) return;
1392
1393         set_special_folder(ctree, folder->inbox, root, &prev);
1394         set_special_folder(ctree, folder->outbox, root, &prev);
1395         set_special_folder(ctree, folder->draft, root, &prev);
1396         set_special_folder(ctree, folder->queue, root, &prev);
1397         set_special_folder(ctree, folder->trash, root, &prev);
1398 }
1399
1400 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1401 {
1402         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1403         GtkCTreeNode *root;
1404
1405         g_return_if_fail(folder != NULL);
1406
1407         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1408                                       folderview_gnode_func, folderview);
1409         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1410                                 folderview);
1411         folderview_sort_folders(folderview, root, folder);
1412 }
1413
1414 /* callback functions */
1415
1416 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1417                                           FolderView *folderview)
1418 {
1419         GtkCList *clist = GTK_CLIST(ctree);
1420         gint prev_row = -1, row = -1, column = -1;
1421         FolderItem *item;
1422         Folder *folder;
1423         FolderViewPopup *fpopup;
1424         GtkItemFactory *fpopup_factory;
1425         GtkWidget *popup;
1426
1427         if (!event) return FALSE;
1428
1429         if (event->button == 1) {
1430                 folderview->open_folder = TRUE;
1431
1432                 if (event->type == GDK_2BUTTON_PRESS) {
1433                         if (clist->selection) {
1434                                 GtkCTreeNode *node;
1435
1436                                 node = GTK_CTREE_NODE(clist->selection->data);
1437                                 if (node)
1438                                         gtk_ctree_toggle_expansion(
1439                                                 GTK_CTREE(ctree),
1440                                                 node);
1441                         }
1442                 }
1443                 return FALSE;
1444         }
1445
1446         if (event->button == 2 || event->button == 3) {
1447                 /* right clicked */
1448                 if (clist->selection) {
1449                         GtkCTreeNode *node;
1450
1451                         node = GTK_CTREE_NODE(clist->selection->data);
1452                         if (node)
1453                                 prev_row = gtkut_ctree_get_nth_from_node
1454                                         (GTK_CTREE(ctree), node);
1455                 }
1456
1457                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1458                                                   &row, &column))
1459                         return FALSE;
1460                 if (prev_row != row) {
1461                         gtk_clist_unselect_all(clist);
1462                         if (event->button == 2)
1463                                 folderview_select_node
1464                                         (folderview,
1465                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1466                                                             row));
1467                         else
1468                                 gtk_clist_select_row(clist, row, column);
1469                 }
1470         }
1471
1472         if (event->button != 3) return FALSE;
1473
1474         item = gtk_clist_get_row_data(clist, row);
1475         g_return_val_if_fail(item != NULL, FALSE);
1476         g_return_val_if_fail(item->folder != NULL, FALSE);
1477         folder = item->folder;
1478
1479         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1480         if (fpopup != NULL)
1481                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1482         else {
1483                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1484                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1485         }
1486
1487         if (fpopup->set_sensitivity != NULL)
1488                 fpopup->set_sensitivity(fpopup_factory, item);
1489
1490         if (item == folder->trash &&
1491             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1492                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1493                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1494         } else if (item != folder->trash) {
1495                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1496                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1497         }
1498
1499 #define SET_SENS(name, sens) \
1500         menu_set_sensitive(fpopup_factory, name, sens)
1501
1502         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1503         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1504                  folderview->selected == folderview->opened);
1505         SET_SENS("/Properties...", item->node->parent != NULL);
1506         SET_SENS("/Processing...", item->node->parent != NULL);
1507         if (item == folder->trash)
1508                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1509 #undef SET_SENS
1510
1511         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1512         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1513                        event->button, event->time);
1514
1515         return FALSE;
1516 }
1517
1518 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1519                                            FolderView *folderview)
1520 {
1521         if (!event) return FALSE;
1522
1523         if (event->button == 1 && folderview->open_folder == FALSE &&
1524             folderview->opened != NULL) {
1525                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1526                                           folderview->opened);
1527                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1528         }
1529
1530         return FALSE;
1531 }
1532
1533 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1534                                        FolderView *folderview)
1535 {
1536         if (!event) return FALSE;
1537
1538         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1539                 return FALSE;
1540
1541         switch (event->keyval) {
1542         case GDK_Return:
1543                 if (folderview->selected) {
1544                         folderview_select_node(folderview,
1545                                                folderview->selected);
1546                 }
1547                 break;
1548         case GDK_space:
1549                 if (folderview->selected) {
1550                         if (folderview->opened == folderview->selected &&
1551                             (!folderview->summaryview->folder_item ||
1552                              folderview->summaryview->folder_item->total_msgs == 0))
1553                                 folderview_select_next_unread(folderview);
1554                         else
1555                                 folderview_select_node(folderview,
1556                                                        folderview->selected);
1557                 }
1558                 break;
1559         default:
1560                 break;
1561         }
1562
1563         return FALSE;
1564 }
1565
1566 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1567                                 gint column, FolderView *folderview)
1568 {
1569         static gboolean can_select = TRUE;      /* exclusive lock */
1570         gboolean opened;
1571         FolderItem *item;
1572         gchar *buf;
1573
1574         folderview->selected = row;
1575
1576         if (folderview->opened == row) {
1577                 folderview->open_folder = FALSE;
1578                 return;
1579         }
1580
1581         if (!can_select || summary_is_locked(folderview->summaryview)) {
1582                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1583                 gtk_ctree_select(ctree, folderview->opened);
1584                 return;
1585         }
1586
1587         if (!folderview->open_folder) return;
1588
1589         item = gtk_ctree_node_get_row_data(ctree, row);
1590         if (!item) return;
1591
1592         can_select = FALSE;
1593
1594         /* Save cache for old folder */
1595         /* We don't want to lose all caches if sylpheed crashed */
1596         if (folderview->opened) {
1597                 FolderItem *olditem;
1598
1599                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1600                 if (olditem) {
1601                         /* will be null if we just moved the previously opened folder */
1602                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1603                         folder_item_close(olditem);
1604                 }
1605         }
1606
1607         /* CLAWS: set compose button type: news folder items
1608          * always have a news folder as parent */
1609         if (item->folder)
1610                 toolbar_set_compose_button
1611                         (folderview->mainwin->toolbar,
1612                          FOLDER_TYPE(item->folder) == F_NEWS ?
1613                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1614
1615         if (item->path)
1616                 debug_print("Folder %s is selected\n", item->path);
1617
1618         if (!GTK_CTREE_ROW(row)->children)
1619                 gtk_ctree_expand(ctree, row);
1620         if (folderview->opened &&
1621             !GTK_CTREE_ROW(folderview->opened)->children)
1622                 gtk_ctree_collapse(ctree, folderview->opened);
1623
1624         /* ungrab the mouse event */
1625         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1626                 gtk_grab_remove(GTK_WIDGET(ctree));
1627                 if (gdk_pointer_is_grabbed())
1628                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1629         }
1630
1631         /* Open Folder */
1632         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1633                                         item->path : "(null)");
1634         debug_print("%s\n", buf);
1635         STATUSBAR_PUSH(folderview->mainwin, buf);
1636         g_free(buf);
1637
1638         main_window_cursor_wait(folderview->mainwin);
1639
1640         if (folder_item_open(item) != 0) {
1641                 main_window_cursor_normal(folderview->mainwin);
1642                 STATUSBAR_POP(folderview->mainwin);
1643
1644                 alertpanel_error(_("Folder could not be opened."));
1645
1646                 folderview->open_folder = FALSE;
1647                 can_select = TRUE;
1648
1649                 return;
1650         }
1651
1652         main_window_cursor_normal(folderview->mainwin);
1653
1654         /* Show messages */
1655         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1656         opened = summary_show(folderview->summaryview, item);
1657
1658         folder_clean_cache_memory();
1659
1660         if (!opened) {
1661                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1662                 gtk_ctree_select(ctree, folderview->opened);
1663         } else {
1664                 folderview->opened = row;
1665                 if (gtk_ctree_node_is_visible(ctree, row)
1666                     != GTK_VISIBILITY_FULL)
1667                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1668         }
1669
1670         STATUSBAR_POP(folderview->mainwin);
1671
1672         folderview->open_folder = FALSE;
1673         can_select = TRUE;
1674 }
1675
1676 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1677                                      FolderView *folderview)
1678 {
1679         FolderItem *item;
1680
1681         item = gtk_ctree_node_get_row_data(ctree, node);
1682         g_return_if_fail(item != NULL);
1683         item->collapsed = FALSE;
1684         folderview_update_node(folderview, node);
1685 }
1686
1687 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1688                                       FolderView *folderview)
1689 {
1690         FolderItem *item;
1691
1692         item = gtk_ctree_node_get_row_data(ctree, node);
1693         g_return_if_fail(item != NULL);
1694         item->collapsed = TRUE;
1695         folderview_update_node(folderview, node);
1696 }
1697
1698 static void folderview_popup_close(GtkMenuShell *menu_shell,
1699                                    FolderView *folderview)
1700 {
1701         if (!folderview->opened) return;
1702
1703         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1704                                   folderview->opened);
1705         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1706 }
1707
1708 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1709                                    FolderView *folderview)
1710 {
1711         switch (column) {
1712         case COL_FOLDER:
1713                 prefs_common.folder_col_folder = width;
1714                 break;
1715         case COL_NEW:
1716                 prefs_common.folder_col_new = width;
1717                 break;
1718         case COL_UNREAD:
1719                 prefs_common.folder_col_unread = width;
1720                 break;
1721         case COL_TOTAL:
1722                 prefs_common.folder_col_total = width;
1723                 break;
1724         default:
1725                 break;
1726         }
1727 }
1728
1729 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1730 {
1731         GNode *srcnode;
1732
1733         folderview_create_folder_node(folderview, item);
1734
1735         srcnode = item->folder->node;
1736         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1737         srcnode = srcnode->children;
1738         while (srcnode != NULL) {
1739                 if (srcnode && srcnode->data) {
1740                         FolderItem *next_item = (FolderItem*) srcnode->data;
1741                         folderview_create_folder_node_recursive(folderview, next_item);
1742                 }
1743                 srcnode = srcnode->next;
1744         }
1745 }
1746
1747 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1748 {
1749         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1750         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1751         GtkCTreeNode *node, *parent_node;
1752
1753         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1754         if (parent_node == NULL)
1755                 return;
1756
1757         gtk_clist_freeze(GTK_CLIST(ctree));
1758
1759         text[COL_FOLDER] = item->name;
1760         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1761                                      FOLDER_SPACING,
1762                                      folderxpm, folderxpmmask,
1763                                      folderopenxpm, folderopenxpmmask,
1764                                      FALSE, FALSE);
1765         gtk_ctree_expand(ctree, parent_node);
1766         gtk_ctree_node_set_row_data(ctree, node, item);
1767         if (normal_style)
1768                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1769         folderview_sort_folders(folderview, folderview->selected, item->folder);
1770
1771         gtk_clist_thaw(GTK_CLIST(ctree));
1772 }
1773
1774 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1775                                       GtkWidget *widget)
1776 {
1777         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1778         FolderItem *item;
1779         GSList *mlist = NULL;
1780         GSList *cur = NULL;
1781         if (!folderview->selected) return;
1782
1783         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1784         g_return_if_fail(item != NULL);
1785         g_return_if_fail(item->folder != NULL);
1786         if (item != item->folder->trash) return;
1787
1788         if (prefs_common.ask_on_clean) {
1789                 if (alertpanel(_("Empty trash"),
1790                                _("Empty all messages in trash?"),
1791                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1792                         return;
1793         }
1794
1795         mlist = folder_item_get_msg_list(item);
1796
1797         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1798                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1799                 if (MSG_IS_LOCKED(msginfo->flags))
1800                         continue;
1801                 /* is it partially received? (partial_recv isn't cached) */
1802                 if (msginfo->total_size != 0 &&
1803                     msginfo->size != (off_t)msginfo->total_size)
1804                         partial_mark_for_delete(msginfo);
1805         }
1806         procmsg_msg_list_free(mlist);
1807
1808         folder_item_remove_all_msg(item);
1809 }
1810
1811 static void folderview_search_cb(FolderView *folderview, guint action,
1812                                  GtkWidget *widget)
1813 {
1814         summary_search(folderview->summaryview);
1815 }
1816
1817 static void folderview_property_cb(FolderView *folderview, guint action,
1818                                    GtkWidget *widget)
1819 {
1820         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1821         FolderItem *item;
1822
1823         if (!folderview->selected) return;
1824
1825         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1826         g_return_if_fail(item != NULL);
1827         g_return_if_fail(item->folder != NULL);
1828
1829         if (folder_item_parent(item) == NULL)
1830                 return;
1831
1832         prefs_folder_item_open(item);
1833 }
1834
1835 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1836 {
1837         GSList *list = NULL;
1838         GSList *done = NULL;
1839         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1840
1841         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1842                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1843                 &&  list->data != node) {
1844                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1845                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1846                 }
1847         }
1848         for (list = done; list != NULL; list = g_slist_next(list)) {
1849                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1850                                                                  list->data);
1851         }
1852         g_slist_free(done);
1853 }
1854
1855 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1856                             FolderItem *to_folder)
1857 {
1858         FolderItem *from_parent = NULL;
1859         FolderItem *new_folder = NULL;
1860         GtkCTreeNode *src_node = NULL;
1861         gchar *buf;
1862         gint status;
1863
1864         g_return_if_fail(folderview != NULL);
1865         g_return_if_fail(from_folder != NULL);
1866         g_return_if_fail(to_folder != NULL);
1867
1868         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1869         from_parent = folder_item_parent(from_folder);
1870
1871         if (prefs_common.warn_dnd) {
1872                 buf = g_strdup_printf(_("Do you really want to move folder `%s' to a "
1873                                         "sub-folder of `%s' ?"), from_folder->name,
1874                                         to_folder->name);
1875                 status = alertpanel_message_with_disable(_("Move folder"), buf,
1876                                 _("Yes"), _("No"), NULL, ALERT_QUESTION);
1877                 g_free(buf);
1878
1879                 if (status != G_ALERTDEFAULT
1880                  && status != (G_ALERTDEFAULT | G_ALERTDISABLE))
1881                         return;
1882                 if (status & G_ALERTDISABLE)
1883                         prefs_common.warn_dnd = FALSE;
1884         }
1885
1886         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1887         STATUSBAR_PUSH(folderview->mainwin, buf);
1888         g_free(buf);
1889         summary_clear_all(folderview->summaryview);
1890         folderview->opened = NULL;
1891         folderview->selected = NULL;
1892         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1893         inc_lock();
1894         main_window_cursor_wait(folderview->mainwin);
1895         statusbar_verbosity_set(TRUE);
1896         folder_item_update_freeze();
1897         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1898                 statusbar_verbosity_set(FALSE);
1899                 main_window_cursor_normal(folderview->mainwin);
1900                 STATUSBAR_POP(folderview->mainwin);
1901                 folder_item_update_thaw();
1902                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1903
1904                 folderview_sort_folders(folderview,
1905                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1906                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1907                 folderview_select(folderview, new_folder);
1908         } else {
1909                 statusbar_verbosity_set(FALSE);
1910                 main_window_cursor_normal(folderview->mainwin);
1911                 STATUSBAR_POP(folderview->mainwin);
1912                 folder_item_update_thaw();
1913                 switch (status) {
1914                 case F_MOVE_FAILED_DEST_IS_PARENT:
1915                         alertpanel_error(_("Source and destination are the same."));
1916                         break;
1917                 case F_MOVE_FAILED_DEST_IS_CHILD:
1918                         alertpanel_error(_("Can't move a folder to one of its children."));
1919                         break;
1920                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1921                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1922                         break;
1923                 default:
1924                         alertpanel_error(_("Move failed!"));
1925                         break;
1926                 }
1927         }
1928         inc_unlock();
1929         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1930 }
1931
1932 static gint folderview_clist_compare(GtkCList *clist,
1933                                      gconstpointer ptr1, gconstpointer ptr2)
1934 {
1935         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1936         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1937
1938         if (!item1->name)
1939                 return (item2->name != NULL);
1940         if (!item2->name)
1941                 return -1;
1942
1943         return g_utf8_collate(item1->name, item2->name);
1944 }
1945
1946 static void folderview_processing_cb(FolderView *folderview, guint action,
1947                                      GtkWidget *widget)
1948 {
1949         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1950         FolderItem *item;
1951
1952         if (!folderview->selected) return;
1953
1954         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1955         g_return_if_fail(item != NULL);
1956         g_return_if_fail(item->folder != NULL);
1957
1958         prefs_filtering_open(&item->prefs->processing,
1959                              _("Processing configuration"), NULL, NULL);
1960 }
1961
1962 void folderview_set_target_folder_color(gint color_op)
1963 {
1964         gint firstone = 1;
1965         GList *list;
1966         FolderView *folderview;
1967
1968         for (list = folderview_list; list != NULL; list = list->next) {
1969                 folderview = (FolderView *)list->data;
1970                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1971                 if (firstone) {
1972                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1973                                 folderview->color_op;
1974                         firstone = 0;
1975                 }
1976         }
1977 }
1978
1979 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1980 {
1981         folderview_init(folderview);
1982         folderview_set_all();
1983 }
1984
1985 static void drag_state_stop(FolderView *folderview)
1986 {
1987         if (folderview->drag_timer)
1988                 gtk_timeout_remove(folderview->drag_timer);
1989         folderview->drag_timer = 0;
1990         folderview->drag_node = NULL;
1991 }
1992
1993 static gint folderview_defer_expand(FolderView *folderview)
1994 {
1995         if (folderview->drag_node) {
1996                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1997                 if (folderview->drag_item->collapsed) {
1998                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1999                         folderview->nodes_to_recollapse = g_slist_append
2000                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2001                 }
2002         }
2003         folderview->drag_item  = NULL;
2004         folderview->drag_timer = 0;
2005         return FALSE;
2006 }
2007
2008 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2009 {
2010         /* the idea is that we call drag_state_start() whenever we want expansion to
2011          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2012          * we need to call drag_state_stop() */
2013         drag_state_stop(folderview);
2014         /* request expansion */
2015         if (0 != (folderview->drag_timer = gtk_timeout_add
2016                         (prefs_common.hover_timeout,
2017                          (GtkFunction)folderview_defer_expand,
2018                          folderview))) {
2019                 folderview->drag_node = node;
2020                 folderview->drag_item = item;
2021         }
2022 }
2023
2024 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2025                                   FolderView       *folderview)
2026 {
2027         GdkDragContext *context;
2028
2029         g_return_if_fail(folderview != NULL);
2030         if (folderview->selected == NULL) return;
2031         if (folderview->nodes_to_recollapse)
2032                 g_slist_free(folderview->nodes_to_recollapse);
2033         folderview->nodes_to_recollapse = NULL;
2034         context = gtk_drag_begin(widget, folderview->target_list,
2035                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2036         gtk_drag_set_icon_default(context);
2037 }
2038
2039 static void folderview_drag_data_get(GtkWidget        *widget,
2040                                      GdkDragContext   *drag_context,
2041                                      GtkSelectionData *selection_data,
2042                                      guint             info,
2043                                      guint             time,
2044                                      FolderView       *folderview)
2045 {
2046         FolderItem *item;
2047         GList *cur;
2048         gchar *source = NULL;
2049
2050         for (cur = GTK_CLIST(folderview->ctree)->selection;
2051              cur != NULL; cur = cur->next) {
2052                 item = gtk_ctree_node_get_row_data
2053                         (GTK_CTREE(folderview->ctree),
2054                          GTK_CTREE_NODE(cur->data));
2055                 if (item) {
2056                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2057                         gtk_selection_data_set(selection_data,
2058                                                selection_data->target, 8,
2059                                                source, strlen(source));
2060                         break;
2061                 } else
2062                         return;
2063         }
2064 }
2065
2066 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2067 {
2068         FolderUpdateData *hookdata;
2069         FolderView *folderview;
2070         GtkWidget *ctree;
2071
2072         hookdata = source;
2073         folderview = (FolderView *) userdata;
2074         g_return_val_if_fail(hookdata != NULL, FALSE);
2075         g_return_val_if_fail(folderview != NULL, FALSE);
2076
2077         ctree = folderview->ctree;
2078         g_return_val_if_fail(ctree != NULL, FALSE);
2079
2080         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2081                 folderview_create_folder_node(folderview, hookdata->item);
2082         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2083                 GtkCTreeNode *node;
2084
2085                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2086                 if (node != NULL)
2087                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2088         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2089                 folderview_set(folderview);
2090
2091         return FALSE;
2092 }
2093
2094 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2095                                           GdkDragContext *context,
2096                                           gint            x,
2097                                           gint            y,
2098                                           guint           time,
2099                                           FolderView     *folderview)
2100 {
2101         gint row, column;
2102         FolderItem *item = NULL, *src_item = NULL;
2103         GtkCTreeNode *node = NULL;
2104         gboolean acceptable = FALSE;
2105         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2106                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2107         int height = (int)pos->page_size;
2108         int total_height = (int)pos->upper;
2109         int vpos = (int) pos->value;
2110
2111         if (gtk_clist_get_selection_info
2112                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2113                 GtkWidget *srcwidget;
2114
2115                 if (y > height - 24 && height + vpos < total_height)
2116                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2117
2118                 if (y < 48 && y > 0)
2119                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2120
2121                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2122                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2123                 src_item = folderview->summaryview->folder_item;
2124
2125                 srcwidget = gtk_drag_get_source_widget(context);
2126                 if (srcwidget == folderview->summaryview->ctree) {
2127                         /* comes from summaryview */
2128                         /* we are copying messages, so only accept folder items that are not
2129                            the source item, are no root items and can copy messages */
2130                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2131                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2132                                 acceptable = TRUE;
2133                 } else if (srcwidget == folderview->ctree) {
2134                         /* comes from folderview */
2135                         /* we are moving folder items, only accept folders that are not
2136                            the source items and can copy messages and create folder items */
2137                         if (item && item->folder && src_item && src_item != item &&
2138                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2139                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2140                                 acceptable = TRUE;
2141                 }
2142         }
2143
2144         if (acceptable || (src_item && src_item == item))
2145                 drag_state_start(folderview, node, item);
2146
2147         if (acceptable) {
2148                 g_signal_handlers_block_by_func
2149                         (G_OBJECT(widget),
2150                          G_CALLBACK(folderview_selected), folderview);
2151                 gtk_ctree_select(GTK_CTREE(widget), node);
2152                 g_signal_handlers_unblock_by_func
2153                         (G_OBJECT(widget),
2154                          G_CALLBACK(folderview_selected), folderview);
2155                 gdk_drag_status(context,
2156                                         (context->actions == GDK_ACTION_COPY ?
2157                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2158         } else {
2159                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2160                 gdk_drag_status(context, 0, time);
2161         }
2162
2163         return acceptable;
2164 }
2165
2166 static void folderview_drag_leave_cb(GtkWidget      *widget,
2167                                      GdkDragContext *context,
2168                                      guint           time,
2169                                      FolderView     *folderview)
2170 {
2171         drag_state_stop(folderview);
2172         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2173 }
2174
2175 static void folderview_drag_received_cb(GtkWidget        *widget,
2176                                         GdkDragContext   *drag_context,
2177                                         gint              x,
2178                                         gint              y,
2179                                         GtkSelectionData *data,
2180                                         guint             info,
2181                                         guint             time,
2182                                         FolderView       *folderview)
2183 {
2184         gint row, column;
2185         FolderItem *item, *src_item;
2186         GtkCTreeNode *node;
2187
2188         drag_state_stop(folderview);
2189         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2190                 /* comes from summaryview */
2191                 if (gtk_clist_get_selection_info
2192                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2193                         return;
2194
2195                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2196                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2197                 src_item = folderview->summaryview->folder_item;
2198
2199                 /* re-check (due to acceptable possibly set for folder moves */
2200                 if (!(item && item->folder && item->path &&
2201                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2202                         return;
2203                 }
2204                 if (item && src_item) {
2205                         switch (drag_context->action) {
2206                         case GDK_ACTION_COPY:
2207                                 summary_copy_selected_to(folderview->summaryview, item);
2208                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2209                                 break;
2210                         case GDK_ACTION_MOVE:
2211                         case GDK_ACTION_DEFAULT:
2212                         default:
2213                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2214                                         summary_copy_selected_to(folderview->summaryview, item);
2215                                 else
2216                                         summary_move_selected_to(folderview->summaryview, item);
2217                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2218                         }
2219                 } else
2220                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2221         } else {
2222                 /* comes from folderview */
2223                 char *source;
2224
2225                 source = data->data + 17;
2226                 if (gtk_clist_get_selection_info
2227                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2228                     || *source == 0) {
2229                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2230                         return;
2231                 }
2232                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2233                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2234                 src_item = folder_find_item_from_identifier(source);
2235
2236                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2237                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2238                         return;
2239                 }
2240
2241                 folderview_move_folder(folderview, src_item, item);
2242                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2243         }
2244         folderview->nodes_to_recollapse = NULL;
2245 }
2246
2247 static void folderview_drag_end_cb(GtkWidget        *widget,
2248                                    GdkDragContext   *drag_context,
2249                                    FolderView       *folderview)
2250 {
2251         drag_state_stop(folderview);
2252         g_slist_free(folderview->nodes_to_recollapse);
2253         folderview->nodes_to_recollapse = NULL;
2254 }
2255
2256 void folderview_register_popup(FolderViewPopup *fpopup)
2257 {
2258         GList *folderviews;
2259
2260         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2261                 FolderView *folderview = folderviews->data;
2262                 GtkItemFactory *factory;
2263
2264                 factory = create_ifactory(folderview, fpopup);
2265                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2266         }
2267         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2268 }
2269
2270 void folderview_unregister_popup(FolderViewPopup *fpopup)
2271 {
2272         GList *folderviews;
2273
2274         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2275                 FolderView *folderview = folderviews->data;
2276
2277                 g_hash_table_remove(folderview->popups, fpopup->klass);
2278         }
2279         g_hash_table_remove(folderview_popups, fpopup->klass);
2280 }