src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "common/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 _read"),         NULL, mark_all_read_cb, 0, NULL},
 240         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 241         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 242         {N_("/Pr_ocessing..."),         NULL, folderview_processing_cb, 0, NULL},
 243 };
 244
 245 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 246         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 247         {N_("/Empty trash..."),         NULL, folderview_empty_trash_cb, 0, NULL},
 248 };
 249
 250
 251 GtkTargetEntry folderview_drag_types[] =
 252 {
 253         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 254 };
 255
 256 void folderview_initialize(void)
 257 {
 258         FolderViewPopup *fpopup;
 259         guint i, n_entries;
 260         GSList *entries = NULL;
 261
 262         fpopup = g_new0(FolderViewPopup, 1);
 263
 264         n_entries = sizeof(folderview_common_popup_entries) /
 265                 sizeof(folderview_common_popup_entries[0]);
 266         for (i = 0; i < n_entries; i++)
 267                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 268
 269         fpopup->klass = "common";
 270         fpopup->path = "<CommonFolder>";
 271         fpopup->entries = entries;
 272         fpopup->set_sensitivity = NULL;
 273
 274         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 275         g_hash_table_insert(folderview_popups, "common", fpopup);
 276 }
 277
 278 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 279 {
 280         GSList *entries;
 281         GtkItemFactory *factory;
 282         FolderViewPopup *fpopup_common;
 283         GtkWidget *popup;
 284
 285         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 286         gtk_item_factory_set_translate_func(factory, menu_translate,
 287                                             NULL, NULL);
 288
 289         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 290                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 291
 292         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 293         if (fpopup_common != fpopup)
 294                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 295                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 296
 297         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 298         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(prefs_common.boldfont);
 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                 bold_color_style = gtk_style_copy(bold_style);
 529                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 530
 531                 bold_tgtfold_style = gtk_style_copy(bold_style);
 532                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 533         }
 534 }
 535
 536 void folderview_set(FolderView *folderview)
 537 {
 538         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 539         MainWindow *mainwin = folderview->mainwin;
 540
 541         debug_print("Setting folder info...\n");
 542         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 543
 544         main_window_cursor_wait(mainwin);
 545
 546         folderview->selected = NULL;
 547         folderview->opened = NULL;
 548
 549         gtk_clist_freeze(GTK_CLIST(ctree));
 550         gtk_clist_clear(GTK_CLIST(ctree));
 551         gtk_clist_thaw(GTK_CLIST(ctree));
 552         gtk_clist_freeze(GTK_CLIST(ctree));
 553
 554         folderview_set_folders(folderview);
 555
 556         gtk_clist_thaw(GTK_CLIST(ctree));
 557         main_window_cursor_normal(mainwin);
 558         STATUSBAR_POP(mainwin);
 559 }
 560
 561 void folderview_set_all(void)
 562 {
 563         GList *list;
 564
 565         for (list = folderview_list; list != NULL; list = list->next)
 566                 folderview_set((FolderView *)list->data);
 567 }
 568
 569 void folderview_select(FolderView *folderview, FolderItem *item)
 570 {
 571         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 572         GtkCTreeNode *node;
 573         GtkCTreeNode *old_selected = folderview->selected;
 574
 575         if (!item) return;
 576
 577         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 578         if (node) folderview_select_node(folderview, node);
 579
 580         if (old_selected != node)
 581                 folder_update_op_count();
 582 }
 583
 584 static void mark_all_read_cb(FolderView *folderview, guint action,
 585                              GtkWidget *widget)
 586 {
 587         FolderItem *item;
 588
 589         item = folderview_get_selected(folderview);
 590         if (item == NULL)
 591                 return;
 592
 593         folderutils_mark_all_read(item);
 594 }
 595
 596 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 597 {
 598         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 599
 600         g_return_if_fail(node != NULL);
 601
 602         folderview->open_folder = TRUE;
 603         gtkut_ctree_set_focus_row(ctree, node);
 604         gtk_ctree_select(ctree, node);
 605         if (folderview->summaryview->folder_item &&
 606             folderview->summaryview->folder_item->total_msgs > 0)
 607                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 608         else
 609                 gtk_widget_grab_focus(folderview->ctree);
 610
 611         gtkut_ctree_expand_parent_all(ctree, node);
 612 }
 613
 614 void folderview_unselect(FolderView *folderview)
 615 {
 616         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 617                 gtk_ctree_collapse
 618                         (GTK_CTREE(folderview->ctree), folderview->opened);
 619
 620         folderview->selected = folderview->opened = NULL;
 621 }
 622
 623 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 624                                                  GtkCTreeNode *node)
 625 {
 626         FolderItem *item;
 627
 628         if (node)
 629                 node = gtkut_ctree_node_next(ctree, node);
 630         else
 631                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 632
 633         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 634                 item = gtk_ctree_node_get_row_data(ctree, node);
 635                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 636                         return node;
 637         }
 638
 639         return NULL;
 640 }
 641
 642 void folderview_select_next_unread(FolderView *folderview)
 643 {
 644         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 645         GtkCTreeNode *node = NULL;
 646
 647         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 648             != NULL) {
 649                 folderview_select_node(folderview, node);
 650                 return;
 651         }
 652
 653         if (!folderview->opened ||
 654             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 655                 return;
 656         /* search again from the first node */
 657         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 658                 folderview_select_node(folderview, node);
 659 }
 660
 661 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 662 {
 663         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 664         static GtkCTreeNode *prev_row = NULL;
 665         FolderItem *item;
 666         gint new, unread, total;
 667         gchar *new_str, *unread_str, *total_str;
 668
 669         if (!row) return;
 670
 671         item = gtk_ctree_node_get_row_data(ctree, row);
 672         if (!item) return;
 673
 674         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 675         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 676         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 677         new = atoi(new_str);
 678         unread = atoi(unread_str);
 679         total = atoi(total_str);
 680
 681         prev_row = row;
 682
 683         folderview_update_node(folderview, row);
 684 }
 685
 686 void folderview_append_item(FolderItem *item)
 687 {
 688         GList *list;
 689
 690         g_return_if_fail(item != NULL);
 691         g_return_if_fail(item->folder != NULL);
 692         if (folder_item_parent(item)) return;
 693
 694         for (list = folderview_list; list != NULL; list = list->next) {
 695                 FolderView *folderview = (FolderView *)list->data;
 696                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 697                 GtkCTreeNode *node, *child;
 698
 699                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 700                                                   folder_item_parent(item));
 701                 if (node) {
 702                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 703                         if (!child) {
 704                                 gchar *text[N_FOLDER_COLS] =
 705                                         {NULL, "0", "0", "0"};
 706
 707                                 gtk_clist_freeze(GTK_CLIST(ctree));
 708
 709                                 text[COL_FOLDER] = item->name;
 710                                 child = gtk_ctree_insert_node
 711                                         (ctree, node, NULL, text,
 712                                          FOLDER_SPACING,
 713                                          folderxpm, folderxpmmask,
 714                                          folderopenxpm, folderopenxpmmask,
 715                                          FALSE, FALSE);
 716                                 gtk_ctree_node_set_row_data(ctree, child, item);
 717                                 gtk_ctree_expand(ctree, node);
 718                                 folderview_update_node(folderview, child);
 719                                 folderview_sort_folders(folderview, node,
 720                                                         item->folder);
 721
 722                                 gtk_clist_thaw(GTK_CLIST(ctree));
 723                         }
 724                 }
 725         }
 726 }
 727
 728 static void folderview_set_folders(FolderView *folderview)
 729 {
 730         GList *list;
 731
 732         list = folder_get_list();
 733
 734         for (; list != NULL; list = list->next)
 735                 folderview_append_folder(folderview, FOLDER(list->data));
 736 }
 737
 738 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 739                                       gpointer data)
 740 {
 741         GList *list;
 742
 743         for (list = folderview_list; list != NULL; list = list->next) {
 744                 FolderView *folderview = (FolderView *)list->data;
 745                 MainWindow *mainwin = folderview->mainwin;
 746                 gchar *str;
 747
 748                 if (item->path)
 749                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 750                                               item->folder->name, G_DIR_SEPARATOR,
 751                                               item->path);
 752                 else
 753                         str = g_strdup_printf(_("Scanning folder %s ..."),
 754                                               item->folder->name);
 755
 756                 STATUSBAR_PUSH(mainwin, str);
 757                 STATUSBAR_POP(mainwin);
 758                 g_free(str);
 759         }
 760 }
 761
 762 static GtkWidget *label_window_create(const gchar *str)
 763 {
 764         GtkWidget *window;
 765         GtkWidget *label;
 766
 767         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 768         gtk_widget_set_size_request(window, 380, 60);
 769         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 770         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 771         gtk_window_set_title(GTK_WINDOW(window), str);
 772         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 773         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 774         manage_window_set_transient(GTK_WINDOW(window));
 775
 776         label = gtk_label_new(str);
 777         gtk_container_add(GTK_CONTAINER(window), label);
 778         gtk_widget_show(label);
 779
 780         gtk_widget_show_now(window);
 781
 782         return window;
 783 }
 784
 785 void folderview_rescan_tree(Folder *folder)
 786 {
 787         GtkWidget *window;
 788
 789         g_return_if_fail(folder != NULL);
 790
 791         if (!folder->klass->scan_tree) return;
 792
 793         inc_lock();
 794         window = label_window_create(_("Rebuilding folder tree..."));
 795
 796         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 797         folder_scan_tree(folder);
 798         folder_set_ui_func(folder, NULL, NULL);
 799
 800         folderview_set_all();
 801
 802         gtk_widget_destroy(window);
 803         inc_unlock();
 804 }
 805
 806 /** folderview_check_new()
 807  *  Scan and update the folder and return the
 808  *  count the number of new messages since last check.
 809  *  \param folder the folder to check for new messages
 810  *  \return the number of new messages since last check
 811  */
 812 gint folderview_check_new(Folder *folder)
 813 {
 814         GList *list;
 815         FolderItem *item;
 816         FolderView *folderview;
 817         GtkCTree *ctree;
 818         GtkCTreeNode *node;
 819         gint new_msgs = 0;
 820         gint former_new_msgs = 0;
 821         gint former_new = 0;
 822
 823         for (list = folderview_list; list != NULL; list = list->next) {
 824                 folderview = (FolderView *)list->data;
 825                 ctree = GTK_CTREE(folderview->ctree);
 826
 827                 inc_lock();
 828                 main_window_lock(folderview->mainwin);
 829                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 830
 831                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 832                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 833                         item = gtk_ctree_node_get_row_data(ctree, node);
 834                         if (!item || !item->path || !item->folder) continue;
 835                         if (item->no_select) continue;
 836                         if (folder && folder != item->folder) continue;
 837                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 838                         if (!item->prefs->newmailcheck) continue;
 839
 840                         folderview_scan_tree_func(item->folder, item, NULL);
 841                         former_new = item->new_msgs;
 842                         if (folder_item_scan(item) < 0) {
 843                                 if (folder && !FOLDER_IS_LOCAL(folder))
 844                                         break;
 845                         }
 846                         folderview_update_node(folderview, node);
 847                         new_msgs += item->new_msgs;
 848                         former_new_msgs += former_new;
 849                 }
 850
 851                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 852                 main_window_unlock(folderview->mainwin);
 853                 inc_unlock();
 854         }
 855
 856         folder_write_list();
 857         /* Number of new messages since last check is the just the difference
 858          * between former_new_msgs and new_msgs. If new_msgs is less than
 859          * former_new_msgs, that would mean another session accessed the folder
 860          * and the result is not well defined.
 861          */
 862         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 863         return new_msgs;
 864 }
 865
 866 void folderview_check_new_all(void)
 867 {
 868         GList *list;
 869         GtkWidget *window;
 870         FolderView *folderview;
 871
 872         folderview = (FolderView *)folderview_list->data;
 873
 874         inc_lock();
 875         main_window_lock(folderview->mainwin);
 876         window = label_window_create
 877                 (_("Checking for new messages in all folders..."));
 878
 879         list = folder_get_list();
 880         for (; list != NULL; list = list->next) {
 881                 Folder *folder = list->data;
 882
 883                 folderview_check_new(folder);
 884         }
 885
 886         folder_write_list();
 887         folderview_set_all();
 888
 889         gtk_widget_destroy(window);
 890         main_window_unlock(folderview->mainwin);
 891         inc_unlock();
 892 }
 893
 894 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 895                                                 GtkCTreeNode *node)
 896 {
 897         FolderItem *item;
 898
 899         if (node) {
 900                 item = gtk_ctree_node_get_row_data(ctree, node);
 901                 if (item) {
 902                         if (item->new_msgs > 0 ||
 903                             (item->stype == F_QUEUE && item->total_msgs > 0))
 904                                 return TRUE;
 905                 }
 906                 node = GTK_CTREE_ROW(node)->children;
 907         } else
 908                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 909
 910         while (node) {
 911                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 912                         return TRUE;
 913                 node = GTK_CTREE_ROW(node)->sibling;
 914         }
 915
 916         return FALSE;
 917 }
 918
 919 static gboolean folderview_have_new_children(FolderView *folderview,
 920                                              GtkCTreeNode *node)
 921 {
 922         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 923
 924         if (!node)
 925                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 926         if (!node)
 927                 return FALSE;
 928
 929         node = GTK_CTREE_ROW(node)->children;
 930
 931         while (node) {
 932                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 933                         return TRUE;
 934                 node = GTK_CTREE_ROW(node)->sibling;
 935         }
 936
 937         return FALSE;
 938 }
 939
 940 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 941                                                    GtkCTreeNode *node)
 942 {
 943         FolderItem *item;
 944
 945         if (node) {
 946                 item = gtk_ctree_node_get_row_data(ctree, node);
 947                 if (item) {
 948                         if (item->unread_msgs > 0 ||
 949                             (item->stype == F_QUEUE && item->total_msgs > 0))
 950                                 return TRUE;
 951                 }
 952                 node = GTK_CTREE_ROW(node)->children;
 953         } else
 954                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 955
 956         while (node) {
 957                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 958                         return TRUE;
 959                 node = GTK_CTREE_ROW(node)->sibling;
 960         }
 961
 962         return FALSE;
 963 }
 964
 965 static gboolean folderview_have_unread_children(FolderView *folderview,
 966                                                 GtkCTreeNode *node)
 967 {
 968         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 969
 970         if (!node)
 971                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 972         if (!node)
 973                 return FALSE;
 974
 975         node = GTK_CTREE_ROW(node)->children;
 976
 977         while (node) {
 978                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 979                         return TRUE;
 980                 node = GTK_CTREE_ROW(node)->sibling;
 981         }
 982
 983         return FALSE;
 984 }
 985
 986 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 987 {
 988         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 989         GtkStyle *style = NULL;
 990         GtkStyle *color_style = NULL;
 991         FolderItem *item;
 992         GdkPixmap *xpm, *openxpm;
 993         GdkBitmap *mask, *openmask;
 994         gchar *name;
 995         gchar *str;
 996         gboolean add_unread_mark;
 997         gboolean use_bold, use_color;
 998
 999         item = gtk_ctree_node_get_row_data(ctree, node);
1000         g_return_if_fail(item != NULL);
1001
1002         switch (item->stype) {
1003         case F_INBOX:
1004                 if (item->hide_read_msgs) {
1005                         xpm = inboxhrmxpm;
1006                         mask = inboxhrmxpmmask;
1007                         openxpm = inboxopenhrmxpm;
1008                         openmask = inboxopenhrmxpmmask;
1009                 } else {
1010                         xpm = inboxxpm;
1011                         mask = inboxxpmmask;
1012                         openxpm = inboxopenxpm;
1013                         openmask = inboxopenxpmmask;
1014                 }
1015                 break;
1016         case F_OUTBOX:
1017                 if (item->hide_read_msgs) {
1018                         xpm = outboxhrmxpm;
1019                         mask = outboxhrmxpmmask;
1020                         openxpm = outboxopenhrmxpm;
1021                         openmask = outboxopenhrmxpmmask;
1022                 } else {
1023                         xpm = outboxxpm;
1024                         mask = outboxxpmmask;
1025                         openxpm = outboxopenxpm;
1026                         openmask = outboxopenxpmmask;
1027                 }
1028                 break;
1029         case F_QUEUE:
1030                 if (item->hide_read_msgs) {
1031                         xpm = queuehrmxpm;
1032                         mask = queuehrmxpmmask;
1033                         openxpm = queueopenhrmxpm;
1034                         openmask = queueopenhrmxpmmask;
1035                 } else {
1036                         xpm = queuexpm;
1037                         mask = queuexpmmask;
1038                         openxpm = queueopenxpm;
1039                         openmask = queueopenxpmmask;
1040                 }
1041                 break;
1042         case F_TRASH:
1043                 if (item->hide_read_msgs) {
1044                         xpm = trashhrmxpm;
1045                         mask = trashhrmxpmmask;
1046                         openxpm = trashopenhrmxpm;
1047                         openmask = trashopenhrmxpmmask;
1048                 } else {
1049                         xpm = trashxpm;
1050                         mask = trashxpmmask;
1051                         openxpm = trashopenxpm;
1052                         openmask = trashopenxpmmask;
1053                 }
1054                 break;
1055         case F_DRAFT:
1056                 xpm = draftsxpm;
1057                 mask = draftsxpmmask;
1058                 openxpm = draftsopenxpm;
1059                 openmask = draftsopenxpmmask;
1060                 break;
1061         default:
1062                 if (item->hide_read_msgs) {
1063                         xpm = folderhrmxpm;
1064                         mask = folderhrmxpmmask;
1065                         openxpm = folderopenhrmxpm;
1066                         openmask = folderopenhrmxpmmask;
1067                 } else {
1068                         xpm = folderxpm;
1069                         mask = folderxpmmask;
1070                         openxpm = folderopenxpm;
1071                         openmask = folderopenxpmmask;
1072                 }
1073         }
1074         name = folder_item_get_name(item);
1075
1076         if (!GTK_CTREE_ROW(node)->expanded &&
1077             folderview_have_unread_children(folderview, node))
1078                 add_unread_mark = TRUE;
1079         else
1080                 add_unread_mark = FALSE;
1081
1082         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1083             prefs_common.display_folder_unread) {
1084                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1085                                       add_unread_mark ? "+" : "");
1086                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1087                                         xpm, mask, openxpm, openmask,
1088                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1089                 g_free(str);
1090         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1091                  prefs_common.display_folder_unread) {
1092
1093                 if (item->unread_msgs > 0)
1094                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1095                                               add_unread_mark ? "+" : "",
1096                                               item->unreadmarked_msgs > 0 ? "!":"");
1097                 else
1098                         str = g_strdup_printf("%s (+)", name);
1099                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1100                                         xpm, mask, openxpm, openmask,
1101                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1102                 g_free(str);
1103         } else {
1104                 str = g_strdup_printf("%s%s", name,
1105                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1106
1107                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1108                                         xpm, mask, openxpm, openmask,
1109                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1110                 g_free(str);
1111         }
1112         g_free(name);
1113
1114         if (!folder_item_parent(item)) {
1115                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1116                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1117                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1118         } else {
1119                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1120                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1121                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1122         }
1123
1124         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1125             item->stype == F_TRASH) {
1126                 use_bold = use_color = FALSE;
1127         } else if (item->stype == F_QUEUE) {
1128                 /* highlight queue folder if there are any messages */
1129                 use_bold = use_color = (item->total_msgs > 0);
1130         } else {
1131                 /* if unread messages exist, print with bold font */
1132                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1133                 /* if new messages exist, print with colored letter */
1134                 use_color =
1135                         (item->new_msgs > 0) ||
1136                         (add_unread_mark &&
1137                          folderview_have_new_children(folderview, node));
1138         }
1139
1140         gtk_ctree_node_set_foreground(ctree, node, NULL);
1141
1142         if (use_bold) {
1143                 if (item->prefs->color > 0 && !use_color) {
1144                         GdkColor gdk_color;
1145
1146                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1147                         color_style = gtk_style_copy(bold_style);
1148                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1149                         style = color_style;
1150                 } else if (use_color)
1151                         style = bold_color_style;
1152                 else
1153                         style = bold_style;
1154                 if (item->op_count > 0) {
1155                         style = bold_tgtfold_style;
1156                 }
1157         } else if (use_color) {
1158                 style = normal_color_style;
1159                 gtk_ctree_node_set_foreground(ctree, node,
1160                                               &folderview->color_new);
1161         } else if (item->op_count > 0) {
1162                 style = bold_tgtfold_style;
1163         } else if (item->prefs->color > 0) {
1164                 GdkColor gdk_color;
1165
1166                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1167                 color_style = gtk_style_copy(normal_style);
1168                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1169                 style = color_style;
1170         } else {
1171                 style = normal_style;
1172         }
1173
1174         gtk_ctree_node_set_row_style(ctree, node, style);
1175
1176         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1177                 folderview_update_node(folderview, node);
1178 }
1179
1180 #if !CLAWS /* keep it here for syncs */
1181 void folderview_update_item(FolderItem *item, gboolean update_summary)
1182 {
1183         GList *list;
1184         FolderView *folderview;
1185         GtkCTree *ctree;
1186         GtkCTreeNode *node;
1187
1188         g_return_if_fail(item != NULL);
1189
1190         for (list = folderview_list; list != NULL; list = list->next) {
1191                 folderview = (FolderView *)list->data;
1192                 ctree = GTK_CTREE(folderview->ctree);
1193
1194                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1195                 if (node) {
1196                         folderview_update_node(folderview, node);
1197                         if (update_summary && folderview->opened == node)
1198                                 summary_show(folderview->summaryview,
1199                                              item, FALSE);
1200                 }
1201         }
1202 }
1203 #endif
1204
1205 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1206 {
1207         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1208         FolderView *folderview = (FolderView *)data;
1209         GtkCTree *ctree;
1210         GtkCTreeNode *node;
1211
1212         g_return_val_if_fail(update_info != NULL, TRUE);
1213         g_return_val_if_fail(update_info->item != NULL, TRUE);
1214         g_return_val_if_fail(folderview != NULL, FALSE);
1215
1216         ctree = GTK_CTREE(folderview->ctree);
1217
1218         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1219         if (node) {
1220                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1221                         folderview_update_node(folderview, node);
1222                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1223                         summary_show(folderview->summaryview, update_info->item);
1224         }
1225
1226         return FALSE;
1227 }
1228
1229 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1230                                                 gpointer data)
1231 {
1232         /* CLAWS: share this joy with other hook functions ... */
1233         folder_item_update((FolderItem *)key,
1234                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1235 }
1236
1237 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1238 {
1239         GList *list;
1240         FolderItemUpdateFlags flags;
1241
1242         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1243                 : 0;
1244         for (list = folderview_list; list != NULL; list = list->next)
1245                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1246                                      GINT_TO_POINTER(flags));
1247 }
1248
1249 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1250                                       GNode *gnode, GtkCTreeNode *cnode,
1251                                       gpointer data)
1252 {
1253         FolderView *folderview = (FolderView *)data;
1254         FolderItem *item = FOLDER_ITEM(gnode->data);
1255
1256         g_return_val_if_fail(item != NULL, FALSE);
1257
1258         gtk_ctree_node_set_row_data(ctree, cnode, item);
1259         folderview_update_node(folderview, cnode);
1260
1261         return TRUE;
1262 }
1263
1264 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1265                                    gpointer data)
1266 {
1267         FolderView *folderview = (FolderView *)data;
1268         FolderItem *item;
1269
1270         if (GTK_CTREE_ROW(node)->children) {
1271                 item = gtk_ctree_node_get_row_data(ctree, node);
1272                 g_return_if_fail(item != NULL);
1273
1274                 if (!item->collapsed)
1275                         gtk_ctree_expand(ctree, node);
1276                 else
1277                         folderview_update_node(folderview, node);
1278         }
1279 }
1280
1281 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1282                                GtkCTreeNode *root, GtkCTreeNode **prev)
1283 {
1284         if (item) {
1285                 GtkCTreeNode *node, *parent, *sibling;
1286
1287                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1288                 if (!node)
1289                         g_warning("%s not found.\n", item->path);
1290                 else {
1291                         parent = GTK_CTREE_ROW(node)->parent;
1292                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1293                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1294                         else
1295                                 sibling = GTK_CTREE_ROW(parent)->children;
1296                         while (sibling) {
1297                                 FolderItem *tmp;
1298
1299                                 tmp = gtk_ctree_node_get_row_data
1300                                         (ctree, sibling);
1301                                 if (tmp->stype != F_NORMAL)
1302                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1303                                 else
1304                                         break;
1305                         }
1306                         if (node != sibling)
1307                                 gtk_ctree_move(ctree, node, parent, sibling);
1308                 }
1309
1310                 *prev = node;
1311         }
1312 }
1313
1314 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1315                                     Folder *folder)
1316 {
1317         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1318         GtkCTreeNode *prev = NULL;
1319
1320         gtk_sctree_sort_recursive(ctree, root);
1321
1322         if (root && GTK_CTREE_ROW(root)->parent) return;
1323
1324         set_special_folder(ctree, folder->inbox, root, &prev);
1325         set_special_folder(ctree, folder->outbox, root, &prev);
1326         set_special_folder(ctree, folder->draft, root, &prev);
1327         set_special_folder(ctree, folder->queue, root, &prev);
1328         set_special_folder(ctree, folder->trash, root, &prev);
1329 }
1330
1331 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1332 {
1333         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1334         GtkCTreeNode *root;
1335
1336         g_return_if_fail(folder != NULL);
1337
1338         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1339                                       folderview_gnode_func, folderview);
1340         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1341                                 folderview);
1342         folderview_sort_folders(folderview, root, folder);
1343 }
1344
1345 /* callback functions */
1346
1347 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1348                                           FolderView *folderview)
1349 {
1350         GtkCList *clist = GTK_CLIST(ctree);
1351         gint prev_row = -1, row = -1, column = -1;
1352         FolderItem *item;
1353         Folder *folder;
1354         FolderViewPopup *fpopup;
1355         GtkItemFactory *fpopup_factory;
1356         GtkWidget *popup;
1357
1358         if (!event) return FALSE;
1359
1360         if (event->button == 1) {
1361                 folderview->open_folder = TRUE;
1362                 return FALSE;
1363         }
1364
1365         if (event->button == 2 || event->button == 3) {
1366                 /* right clicked */
1367                 if (clist->selection) {
1368                         GtkCTreeNode *node;
1369
1370                         node = GTK_CTREE_NODE(clist->selection->data);
1371                         if (node)
1372                                 prev_row = gtkut_ctree_get_nth_from_node
1373                                         (GTK_CTREE(ctree), node);
1374                 }
1375
1376                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1377                                                   &row, &column))
1378                         return FALSE;
1379                 if (prev_row != row) {
1380                         gtk_clist_unselect_all(clist);
1381                         if (event->button == 2)
1382                                 folderview_select_node
1383                                         (folderview,
1384                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1385                                                             row));
1386                         else
1387                                 gtk_clist_select_row(clist, row, column);
1388                 }
1389         }
1390
1391         if (event->button != 3) return FALSE;
1392
1393         item = gtk_clist_get_row_data(clist, row);
1394         g_return_val_if_fail(item != NULL, FALSE);
1395         g_return_val_if_fail(item->folder != NULL, FALSE);
1396         folder = item->folder;
1397
1398         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1399         if (fpopup != NULL)
1400                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1401         else {
1402                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1403                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1404         }
1405
1406         if (fpopup->set_sensitivity != NULL)
1407                 fpopup->set_sensitivity(fpopup_factory, item);
1408
1409         if (item == folder->trash &&
1410             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1411                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1412                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1413         } else if (item != folder->trash) {
1414                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1415                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1416         }
1417
1418 #define SET_SENS(name, sens) \
1419         menu_set_sensitive(fpopup_factory, name, sens)
1420
1421         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1422         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1423                  folderview->selected == folderview->opened);
1424         SET_SENS("/Properties...", TRUE);
1425         SET_SENS("/Processing...", item->node->parent != NULL);
1426         if (item == folder->trash)
1427                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1428 #undef SET_SENS
1429
1430         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1431         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1432                        event->button, event->time);
1433
1434         return FALSE;
1435 }
1436
1437 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1438                                            FolderView *folderview)
1439 {
1440         if (!event) return FALSE;
1441
1442         if (event->button == 1 && folderview->open_folder == FALSE &&
1443             folderview->opened != NULL) {
1444                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1445                                           folderview->opened);
1446                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1447         }
1448
1449         return FALSE;
1450 }
1451
1452 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1453                                        FolderView *folderview)
1454 {
1455         if (!event) return FALSE;
1456
1457         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1458                 return FALSE;
1459
1460         switch (event->keyval) {
1461         case GDK_Return:
1462                 if (folderview->selected) {
1463                         folderview_select_node(folderview,
1464                                                folderview->selected);
1465                 }
1466                 break;
1467         case GDK_space:
1468                 if (folderview->selected) {
1469                         if (folderview->opened == folderview->selected &&
1470                             (!folderview->summaryview->folder_item ||
1471                              folderview->summaryview->folder_item->total_msgs == 0))
1472                                 folderview_select_next_unread(folderview);
1473                         else
1474                                 folderview_select_node(folderview,
1475                                                        folderview->selected);
1476                 }
1477                 break;
1478         default:
1479                 break;
1480         }
1481
1482         return FALSE;
1483 }
1484
1485 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1486                                 gint column, FolderView *folderview)
1487 {
1488         static gboolean can_select = TRUE;      /* exclusive lock */
1489         gboolean opened;
1490         FolderItem *item;
1491         gchar *buf;
1492
1493         folderview->selected = row;
1494
1495         if (folderview->opened == row) {
1496                 folderview->open_folder = FALSE;
1497                 return;
1498         }
1499
1500         if (!can_select || summary_is_locked(folderview->summaryview)) {
1501                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1502                 gtk_ctree_select(ctree, folderview->opened);
1503                 return;
1504         }
1505
1506         if (!folderview->open_folder) return;
1507
1508         item = gtk_ctree_node_get_row_data(ctree, row);
1509         if (!item) return;
1510
1511         can_select = FALSE;
1512
1513         /* Save cache for old folder */
1514         /* We don't want to lose all caches if sylpheed crashed */
1515         if (folderview->opened) {
1516                 FolderItem *olditem;
1517
1518                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1519                 if (olditem) {
1520                         /* will be null if we just moved the previously opened folder */
1521                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1522                         folder_item_close(olditem);
1523                 }
1524         }
1525
1526         /* CLAWS: set compose button type: news folder items
1527          * always have a news folder as parent */
1528         if (item->folder)
1529                 toolbar_set_compose_button
1530                         (folderview->mainwin->toolbar,
1531                          FOLDER_TYPE(item->folder) == F_NEWS ?
1532                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1533
1534         if (item->path)
1535                 debug_print("Folder %s is selected\n", item->path);
1536
1537         if (!GTK_CTREE_ROW(row)->children)
1538                 gtk_ctree_expand(ctree, row);
1539         if (folderview->opened &&
1540             !GTK_CTREE_ROW(folderview->opened)->children)
1541                 gtk_ctree_collapse(ctree, folderview->opened);
1542
1543         /* ungrab the mouse event */
1544         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1545                 gtk_grab_remove(GTK_WIDGET(ctree));
1546                 if (gdk_pointer_is_grabbed())
1547                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1548         }
1549
1550         /* Open Folder */
1551         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1552                                         item->path : "(null)");
1553         debug_print("%s\n", buf);
1554         STATUSBAR_PUSH(folderview->mainwin, buf);
1555         g_free(buf);
1556
1557         main_window_cursor_wait(folderview->mainwin);
1558
1559         if (folder_item_open(item) != 0) {
1560                 main_window_cursor_normal(folderview->mainwin);
1561                 STATUSBAR_POP(folderview->mainwin);
1562
1563                 alertpanel_error(_("Folder could not be opened."));
1564
1565                 folderview->open_folder = FALSE;
1566                 can_select = TRUE;
1567
1568                 return;
1569         }
1570
1571         main_window_cursor_normal(folderview->mainwin);
1572
1573         /* Show messages */
1574         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1575         opened = summary_show(folderview->summaryview, item);
1576
1577         folder_clean_cache_memory();
1578
1579         if (!opened) {
1580                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1581                 gtk_ctree_select(ctree, folderview->opened);
1582         } else {
1583                 folderview->opened = row;
1584                 if (gtk_ctree_node_is_visible(ctree, row)
1585                     != GTK_VISIBILITY_FULL)
1586                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1587         }
1588
1589         STATUSBAR_POP(folderview->mainwin);
1590
1591         folderview->open_folder = FALSE;
1592         can_select = TRUE;
1593 }
1594
1595 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1596                                      FolderView *folderview)
1597 {
1598         FolderItem *item;
1599
1600         item = gtk_ctree_node_get_row_data(ctree, node);
1601         g_return_if_fail(item != NULL);
1602         item->collapsed = FALSE;
1603         folderview_update_node(folderview, node);
1604 }
1605
1606 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1607                                       FolderView *folderview)
1608 {
1609         FolderItem *item;
1610
1611         item = gtk_ctree_node_get_row_data(ctree, node);
1612         g_return_if_fail(item != NULL);
1613         item->collapsed = TRUE;
1614         folderview_update_node(folderview, node);
1615 }
1616
1617 static void folderview_popup_close(GtkMenuShell *menu_shell,
1618                                    FolderView *folderview)
1619 {
1620         if (!folderview->opened) return;
1621
1622         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1623                                   folderview->opened);
1624         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1625 }
1626
1627 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1628                                    FolderView *folderview)
1629 {
1630         switch (column) {
1631         case COL_FOLDER:
1632                 prefs_common.folder_col_folder = width;
1633                 break;
1634         case COL_NEW:
1635                 prefs_common.folder_col_new = width;
1636                 break;
1637         case COL_UNREAD:
1638                 prefs_common.folder_col_unread = width;
1639                 break;
1640         case COL_TOTAL:
1641                 prefs_common.folder_col_total = width;
1642                 break;
1643         default:
1644                 break;
1645         }
1646 }
1647
1648 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1649 {
1650         GNode *srcnode;
1651
1652         folderview_create_folder_node(folderview, item);
1653
1654         srcnode = item->folder->node;
1655         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1656         srcnode = srcnode->children;
1657         while (srcnode != NULL) {
1658                 if (srcnode && srcnode->data) {
1659                         FolderItem *next_item = (FolderItem*) srcnode->data;
1660                         folderview_create_folder_node_recursive(folderview, next_item);
1661                 }
1662                 srcnode = srcnode->next;
1663         }
1664 }
1665
1666 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1667 {
1668         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1669         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1670         GtkCTreeNode *node, *parent_node;
1671
1672         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1673         if (parent_node == NULL)
1674                 return;
1675
1676         gtk_clist_freeze(GTK_CLIST(ctree));
1677
1678         text[COL_FOLDER] = item->name;
1679         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1680                                      FOLDER_SPACING,
1681                                      folderxpm, folderxpmmask,
1682                                      folderopenxpm, folderopenxpmmask,
1683                                      FALSE, FALSE);
1684         gtk_ctree_expand(ctree, parent_node);
1685         gtk_ctree_node_set_row_data(ctree, node, item);
1686         if (normal_style)
1687                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1688         folderview_sort_folders(folderview, folderview->selected, item->folder);
1689
1690         gtk_clist_thaw(GTK_CLIST(ctree));
1691 }
1692
1693 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1694                                       GtkWidget *widget)
1695 {
1696         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1697         FolderItem *item;
1698         GSList *mlist = NULL;
1699         GSList *cur = NULL;
1700         if (!folderview->selected) return;
1701
1702         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1703         g_return_if_fail(item != NULL);
1704         g_return_if_fail(item->folder != NULL);
1705         if (item != item->folder->trash) return;
1706
1707         if (prefs_common.ask_on_clean) {
1708                 if (alertpanel(_("Empty trash"),
1709                                _("Empty all messages in trash?"),
1710                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1711                         return;
1712         }
1713
1714         mlist = folder_item_get_msg_list(item);
1715
1716         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1717                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1718                 partial_mark_for_delete(msginfo);
1719                 procmsg_msginfo_free(msginfo);
1720         }
1721
1722         folder_item_remove_all_msg(item);
1723 }
1724
1725 static void folderview_search_cb(FolderView *folderview, guint action,
1726                                  GtkWidget *widget)
1727 {
1728         summary_search(folderview->summaryview);
1729 }
1730
1731 static void folderview_property_cb(FolderView *folderview, guint action,
1732                                    GtkWidget *widget)
1733 {
1734         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1735         FolderItem *item;
1736
1737         if (!folderview->selected) return;
1738
1739         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1740         g_return_if_fail(item != NULL);
1741         g_return_if_fail(item->folder != NULL);
1742
1743         if (folder_item_parent(item) == NULL && item->folder->account)
1744                 account_open(item->folder->account);
1745         else {
1746                 prefs_folder_item_open(item);
1747         }
1748 }
1749
1750 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1751 {
1752         GSList *list = NULL;
1753         GSList *done = NULL;
1754         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1755
1756         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1757                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1758                 &&  list->data != node) {
1759                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1760                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1761                 }
1762         }
1763         for (list = done; list != NULL; list = g_slist_next(list)) {
1764                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1765                                                                  list->data);
1766         }
1767         g_slist_free(done);
1768 }
1769
1770 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1771                             FolderItem *to_folder)
1772 {
1773         FolderItem *from_parent = NULL;
1774         FolderItem *new_folder = NULL;
1775         GtkCTreeNode *src_node = NULL;
1776         gchar *buf;
1777         gint status;
1778
1779         g_return_if_fail(folderview != NULL);
1780         g_return_if_fail(from_folder != NULL);
1781         g_return_if_fail(to_folder != NULL);
1782
1783         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1784         from_parent = folder_item_parent(from_folder);
1785         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1786         STATUSBAR_PUSH(folderview->mainwin, buf);
1787         g_free(buf);
1788         summary_clear_all(folderview->summaryview);
1789         folderview->opened = NULL;
1790         folderview->selected = NULL;
1791         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1792         inc_lock();
1793         main_window_cursor_wait(folderview->mainwin);
1794         statusbar_verbosity_set(TRUE);
1795         folder_item_update_freeze();
1796         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1797                 statusbar_verbosity_set(FALSE);
1798                 main_window_cursor_normal(folderview->mainwin);
1799                 STATUSBAR_POP(folderview->mainwin);
1800                 folder_item_update_thaw();
1801                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1802
1803                 folderview_sort_folders(folderview,
1804                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1805                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1806                 folderview_select(folderview, new_folder);
1807         } else {
1808                 statusbar_verbosity_set(FALSE);
1809                 main_window_cursor_normal(folderview->mainwin);
1810                 STATUSBAR_POP(folderview->mainwin);
1811                 folder_item_update_thaw();
1812                 switch (status) {
1813                 case F_MOVE_FAILED_DEST_IS_PARENT:
1814                         alertpanel_error(_("Source and destination are the same."));
1815                         break;
1816                 case F_MOVE_FAILED_DEST_IS_CHILD:
1817                         alertpanel_error(_("Can't move a folder to one of its children."));
1818                         break;
1819                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1820                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1821                         break;
1822                 default:
1823                         alertpanel_error(_("Move failed!"));
1824                         break;
1825                 }
1826         }
1827         inc_unlock();
1828         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1829 }
1830
1831 static gint folderview_clist_compare(GtkCList *clist,
1832                                      gconstpointer ptr1, gconstpointer ptr2)
1833 {
1834         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1835         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1836
1837         if (!item1->name)
1838                 return (item2->name != NULL);
1839         if (!item2->name)
1840                 return -1;
1841
1842         return g_utf8_collate(item1->name, item2->name);
1843 }
1844
1845 static void folderview_processing_cb(FolderView *folderview, guint action,
1846                                      GtkWidget *widget)
1847 {
1848         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1849         FolderItem *item;
1850
1851         if (!folderview->selected) return;
1852
1853         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1854         g_return_if_fail(item != NULL);
1855         g_return_if_fail(item->folder != NULL);
1856
1857         prefs_filtering_open(&item->prefs->processing,
1858                              _("Processing configuration"), NULL, NULL);
1859 }
1860
1861 void folderview_set_target_folder_color(gint color_op)
1862 {
1863         gint firstone = 1;
1864         GList *list;
1865         FolderView *folderview;
1866
1867         for (list = folderview_list; list != NULL; list = list->next) {
1868                 folderview = (FolderView *)list->data;
1869                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1870                 if (firstone) {
1871                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1872                                 folderview->color_op;
1873                         firstone = 0;
1874                 }
1875         }
1876 }
1877
1878 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1879 {
1880         folderview_init(folderview);
1881         folderview_set_all();
1882 }
1883
1884 static void drag_state_stop(FolderView *folderview)
1885 {
1886         if (folderview->drag_timer)
1887                 gtk_timeout_remove(folderview->drag_timer);
1888         folderview->drag_timer = 0;
1889         folderview->drag_node = NULL;
1890 }
1891
1892 static gint folderview_defer_expand(FolderView *folderview)
1893 {
1894         if (folderview->drag_node) {
1895                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1896                 if (folderview->drag_item->collapsed) {
1897                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1898                         folderview->nodes_to_recollapse = g_slist_append
1899                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1900                 }
1901         }
1902         folderview->drag_item  = NULL;
1903         folderview->drag_timer = 0;
1904         return FALSE;
1905 }
1906
1907 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1908 {
1909         /* the idea is that we call drag_state_start() whenever we want expansion to
1910          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
1911          * we need to call drag_state_stop() */
1912         drag_state_stop(folderview);
1913         /* request expansion */
1914         if (0 != (folderview->drag_timer = gtk_timeout_add
1915                         (prefs_common.hover_timeout,
1916                          (GtkFunction)folderview_defer_expand,
1917                          folderview))) {
1918                 folderview->drag_node = node;
1919                 folderview->drag_item = item;
1920         }
1921 }
1922
1923 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
1924                                   FolderView       *folderview)
1925 {
1926         GdkDragContext *context;
1927
1928         g_return_if_fail(folderview != NULL);
1929         if (folderview->selected == NULL) return;
1930         if (folderview->nodes_to_recollapse)
1931                 g_slist_free(folderview->nodes_to_recollapse);
1932         folderview->nodes_to_recollapse = NULL;
1933         context = gtk_drag_begin(widget, folderview->target_list,
1934                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
1935         gtk_drag_set_icon_default(context);
1936 }
1937
1938 static void folderview_drag_data_get(GtkWidget        *widget,
1939                                      GdkDragContext   *drag_context,
1940                                      GtkSelectionData *selection_data,
1941                                      guint             info,
1942                                      guint             time,
1943                                      FolderView       *folderview)
1944 {
1945         FolderItem *item;
1946         GList *cur;
1947         gchar *source = NULL;
1948
1949         for (cur = GTK_CLIST(folderview->ctree)->selection;
1950              cur != NULL; cur = cur->next) {
1951                 item = gtk_ctree_node_get_row_data
1952                         (GTK_CTREE(folderview->ctree),
1953                          GTK_CTREE_NODE(cur->data));
1954                 if (item) {
1955                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
1956                         gtk_selection_data_set(selection_data,
1957                                                selection_data->target, 8,
1958                                                source, strlen(source));
1959                         break;
1960                 } else
1961                         return;
1962         }
1963 }
1964
1965 gboolean folderview_update_folder(gpointer source, gpointer userdata)
1966 {
1967         FolderUpdateData *hookdata;
1968         FolderView *folderview;
1969         GtkWidget *ctree;
1970
1971         hookdata = source;
1972         folderview = (FolderView *) userdata;
1973         g_return_val_if_fail(hookdata != NULL, FALSE);
1974         g_return_val_if_fail(folderview != NULL, FALSE);
1975
1976         ctree = folderview->ctree;
1977         g_return_val_if_fail(ctree != NULL, FALSE);
1978
1979         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
1980                 folderview_create_folder_node(folderview, hookdata->item);
1981         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
1982                 GtkCTreeNode *node;
1983
1984                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
1985                 if (node != NULL)
1986                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
1987         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
1988                 folderview_set(folderview);
1989
1990         return FALSE;
1991 }
1992
1993 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1994                                           GdkDragContext *context,
1995                                           gint            x,
1996                                           gint            y,
1997                                           guint           time,
1998                                           FolderView     *folderview)
1999 {
2000         gint row, column;
2001         FolderItem *item, *src_item = NULL;
2002         GtkCTreeNode *node = NULL;
2003         gboolean acceptable = FALSE;
2004         gint height = folderview->ctree->allocation.height;
2005         gint total_height = folderview->ctree->requisition.height;
2006         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2007                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2008         gfloat vpos = pos->value;
2009
2010         if (gtk_clist_get_selection_info
2011                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2012                 GtkWidget *srcwidget;
2013
2014                 if (y > height - 24 && height + vpos < total_height)
2015                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2016
2017                 if (y < 24 && y > 0)
2018                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2019
2020                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2021                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2022                 src_item = folderview->summaryview->folder_item;
2023
2024                 srcwidget = gtk_drag_get_source_widget(context);
2025                 if (srcwidget == folderview->summaryview->ctree) {
2026                         /* comes from summaryview */
2027                         /* we are copying messages, so only accept folder items that are not
2028                            the source item, are no root items and can copy messages */
2029                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2030                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2031                                 acceptable = TRUE;
2032                 } else if (srcwidget == folderview->ctree) {
2033                         /* comes from folderview */
2034                         /* we are moving folder items, only accept folders that are not
2035                            the source items and can copy messages and create folder items */
2036                         if (item && item->folder && src_item && src_item != item &&
2037                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2038                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2039                                 acceptable = TRUE;
2040                 }
2041         }
2042
2043         if (acceptable || (src_item && src_item == item))
2044                 drag_state_start(folderview, node, item);
2045
2046         if (acceptable) {
2047                 g_signal_handlers_block_by_func
2048                         (G_OBJECT(widget),
2049                          G_CALLBACK(folderview_selected), folderview);
2050                 gtk_ctree_select(GTK_CTREE(widget), node);
2051                 g_signal_handlers_unblock_by_func
2052                         (G_OBJECT(widget),
2053                          G_CALLBACK(folderview_selected), folderview);
2054                 gdk_drag_status(context,
2055                                         (context->actions == GDK_ACTION_COPY ?
2056                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2057         } else {
2058                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2059                 gdk_drag_status(context, 0, time);
2060         }
2061
2062         return acceptable;
2063 }
2064
2065 static void folderview_drag_leave_cb(GtkWidget      *widget,
2066                                      GdkDragContext *context,
2067                                      guint           time,
2068                                      FolderView     *folderview)
2069 {
2070         drag_state_stop(folderview);
2071         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2072 }
2073
2074 static void folderview_drag_received_cb(GtkWidget        *widget,
2075                                         GdkDragContext   *drag_context,
2076                                         gint              x,
2077                                         gint              y,
2078                                         GtkSelectionData *data,
2079                                         guint             info,
2080                                         guint             time,
2081                                         FolderView       *folderview)
2082 {
2083         gint row, column;
2084         FolderItem *item, *src_item;
2085         GtkCTreeNode *node;
2086
2087         drag_state_stop(folderview);
2088         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2089                 /* comes from summaryview */
2090                 if (gtk_clist_get_selection_info
2091                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2092                         return;
2093
2094                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2095                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2096                 src_item = folderview->summaryview->folder_item;
2097
2098                 /* re-check (due to acceptable possibly set for folder moves */
2099                 if (!(item && item->folder && item->path &&
2100                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2101                         return;
2102                 }
2103                 if (item && src_item) {
2104                         switch (drag_context->action) {
2105                         case GDK_ACTION_COPY:
2106                                 summary_copy_selected_to(folderview->summaryview, item);
2107                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2108                                 break;
2109                         case GDK_ACTION_MOVE:
2110                         case GDK_ACTION_DEFAULT:
2111                         default:
2112                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2113                                         summary_copy_selected_to(folderview->summaryview, item);
2114                                 else
2115                                         summary_move_selected_to(folderview->summaryview, item);
2116                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2117                         }
2118                 } else
2119                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2120         } else {
2121                 /* comes from folderview */
2122                 char *source;
2123
2124                 source = data->data + 17;
2125                 if (gtk_clist_get_selection_info
2126                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2127                     || *source == 0) {
2128                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2129                         return;
2130                 }
2131                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2132                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2133                 src_item = folder_find_item_from_identifier(source);
2134
2135                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2136                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2137                         return;
2138                 }
2139
2140                 folderview_move_folder(folderview, src_item, item);
2141                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2142         }
2143         folderview->nodes_to_recollapse = NULL;
2144 }
2145
2146 static void folderview_drag_end_cb(GtkWidget        *widget,
2147                                    GdkDragContext   *drag_context,
2148                                    FolderView       *folderview)
2149 {
2150         drag_state_stop(folderview);
2151         g_slist_free(folderview->nodes_to_recollapse);
2152         folderview->nodes_to_recollapse = NULL;
2153 }
2154
2155 FolderItem *folderview_get_selected(FolderView *folderview)
2156 {
2157         return (FolderItem *) gtk_ctree_node_get_row_data(
2158                 GTK_CTREE(folderview->ctree), folderview->selected);
2159 }
2160
2161 void folderview_register_popup(FolderViewPopup *fpopup)
2162 {
2163         GList *folderviews;
2164
2165         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2166                 FolderView *folderview = folderviews->data;
2167                 GtkItemFactory *factory;
2168
2169                 factory = create_ifactory(folderview, fpopup);
2170                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2171         }
2172         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2173 }
2174
2175 void folderview_unregister_popup(FolderViewPopup *fpopup)
2176 {
2177         GList *folderviews;
2178
2179         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2180                 FolderView *folderview = folderviews->data;
2181
2182                 g_hash_table_remove(folderview->popups, fpopup->klass);
2183         }
2184         g_hash_table_remove(folderview_popups, fpopup->klass);
2185 }