src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *readxpm;
 132 static GdkBitmap *readxpmmask;
 133 static GdkPixmap *draftsxpm;
 134 static GdkBitmap *draftsxpmmask;
 135 static GdkPixmap *draftsopenxpm;
 136 static GdkBitmap *draftsopenxpmmask;
 137
 138 static void folderview_select_node       (FolderView    *folderview,
 139                                           GtkCTreeNode  *node);
 140 static void folderview_set_folders       (FolderView    *folderview);
 141 static void folderview_sort_folders      (FolderView    *folderview,
 142                                           GtkCTreeNode  *root,
 143                                           Folder        *folder);
 144 static void folderview_append_folder     (FolderView    *folderview,
 145                                           Folder        *folder);
 146 static void folderview_update_node       (FolderView    *folderview,
 147                                           GtkCTreeNode  *node);
 148
 149 static gint folderview_clist_compare    (GtkCList       *clist,
 150                                          gconstpointer   ptr1,
 151                                          gconstpointer   ptr2);
 152
 153 /* callback functions */
 154 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 155                                                  GdkEventButton *event,
 156                                                  FolderView     *folderview);
 157 static gboolean folderview_button_released      (GtkWidget      *ctree,
 158                                                  GdkEventButton *event,
 159                                                  FolderView     *folderview);
 160 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 161                                          GdkEventKey    *event,
 162                                          FolderView     *folderview);
 163 static void folderview_selected         (GtkCTree       *ctree,
 164                                          GtkCTreeNode   *row,
 165                                          gint            column,
 166                                          FolderView     *folderview);
 167 static void folderview_tree_expanded    (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *node,
 169                                          FolderView     *folderview);
 170 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *node,
 172                                          FolderView     *folderview);
 173 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 174                                          FolderView     *folderview);
 175 static void folderview_col_resized      (GtkCList       *clist,
 176                                          gint            column,
 177                                          gint            width,
 178                                          FolderView     *folderview);
 179
 180 static void mark_all_read_cb            (FolderView    *folderview,
 181                                          guint           action,
 182                                          GtkWidget      *widget);
 183
 184 static void folderview_empty_trash_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void folderview_search_cb        (FolderView     *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191
 192 static void folderview_property_cb      (FolderView     *folderview,
 193                                          guint           action,
 194                                          GtkWidget      *widget);
 195
 196 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 197                                           GdkDragContext *context,
 198                                           gint            x,
 199                                           gint            y,
 200                                           guint           time,
 201                                           FolderView     *folderview);
 202 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 203                                           GdkDragContext   *context,
 204                                           guint             time,
 205                                           FolderView       *folderview);
 206 static void folderview_drag_received_cb  (GtkWidget        *widget,
 207                                           GdkDragContext   *drag_context,
 208                                           gint              x,
 209                                           gint              y,
 210                                           GtkSelectionData *data,
 211                                           guint             info,
 212                                           guint             time,
 213                                           FolderView       *folderview);
 214 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 215                                           FolderView       *folderview);
 216 static void folderview_drag_data_get     (GtkWidget        *widget,
 217                                           GdkDragContext   *drag_context,
 218                                           GtkSelectionData *selection_data,
 219                                           guint             info,
 220                                           guint             time,
 221                                           FolderView       *folderview);
 222 static void folderview_drag_end_cb       (GtkWidget        *widget,
 223                                           GdkDragContext   *drag_context,
 224                                           FolderView       *folderview);
 225
 226 void folderview_create_folder_node       (FolderView       *folderview,
 227                                           FolderItem       *item);
 228 gboolean folderview_update_folder        (gpointer          source,
 229                                           gpointer          userdata);
 230 gboolean folderview_update_item_claws    (gpointer          source,
 231                                           gpointer          data);
 232 static void folderview_processing_cb(FolderView *folderview, guint action,
 233                                      GtkWidget *widget);
 234
 235 GHashTable *folderview_popups;
 236
 237 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 238 {
 239         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 240         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 241         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 242         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 243 };
 244
 245 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 246         {N_("/------"),                 NULL, NULL, 0, "<Separator>"},
 247         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 248 };
 249
 250
 251 GtkTargetEntry folderview_drag_types[] =
 252 {
 253         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 254 };
 255
 256 void folderview_initialize(void)
 257 {
 258         FolderViewPopup *fpopup;
 259         guint i, n_entries;
 260         GSList *entries = NULL;
 261
 262         fpopup = g_new0(FolderViewPopup, 1);
 263
 264         n_entries = sizeof(folderview_common_popup_entries) /
 265                 sizeof(folderview_common_popup_entries[0]);
 266         for (i = 0; i < n_entries; i++)
 267                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 268
 269         fpopup->klass = "common";
 270         fpopup->path = "<CommonFolder>";
 271         fpopup->entries = entries;
 272         fpopup->set_sensitivity = NULL;
 273
 274         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 275         g_hash_table_insert(folderview_popups, "common", fpopup);
 276 }
 277
 278 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 279 {
 280         GSList *entries;
 281         GtkItemFactory *factory;
 282         FolderViewPopup *fpopup_common;
 283         GtkWidget *popup;
 284
 285         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 286         gtk_item_factory_set_translate_func(factory, menu_translate,
 287                                             NULL, NULL);
 288
 289         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 290                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 291
 292         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 293         if (fpopup_common != fpopup)
 294                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 295                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 296
 297         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 298         g_signal_connect(G_OBJECT(popup), "selection_done",
 299                          G_CALLBACK(folderview_popup_close),
 300                          folderview);
 301
 302         return factory;
 303 }
 304
 305 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 306 {
 307         FolderView *folderview = data;
 308         FolderViewPopup *fpopup = value;
 309         GtkItemFactory *factory;
 310
 311         factory = create_ifactory(folderview, fpopup);
 312         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 313 }
 314
 315 FolderView *folderview_create(void)
 316 {
 317         FolderView *folderview;
 318         GtkWidget *scrolledwin;
 319         GtkWidget *ctree;
 320         gchar *titles[N_FOLDER_COLS];
 321         gint i;
 322
 323         debug_print("Creating folder view...\n");
 324         folderview = g_new0(FolderView, 1);
 325
 326         titles[COL_FOLDER] = _("Folder");
 327         titles[COL_NEW]    = _("New");
 328         titles[COL_UNREAD] = _("Unread");
 329         titles[COL_TOTAL]  = _("#");
 330
 331         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 332         gtk_scrolled_window_set_policy
 333                 (GTK_SCROLLED_WINDOW(scrolledwin),
 334                  GTK_POLICY_AUTOMATIC,
 335                  prefs_common.folderview_vscrollbar_policy);
 336         gtk_widget_set_size_request(scrolledwin,
 337                              prefs_common.folderview_width,
 338                              prefs_common.folderview_height);
 339
 340         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 341
 342         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 343         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 344         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 345                                            GTK_JUSTIFY_RIGHT);
 346         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 347                                            GTK_JUSTIFY_RIGHT);
 348         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 349                                            GTK_JUSTIFY_RIGHT);
 350         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 351                                    prefs_common.folder_col_folder);
 352         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 353                                    prefs_common.folder_col_new);
 354         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 355                                    prefs_common.folder_col_unread);
 356         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 357                                    prefs_common.folder_col_total);
 358         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 359         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 360                                      GTK_CTREE_EXPANDER_SQUARE);
 361         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 362         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 363
 364         /* create popup factories */
 365         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 366         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 367
 368         /* don't let title buttons take key focus */
 369         for (i = 0; i < N_FOLDER_COLS; i++)
 370                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 371                                        GTK_CAN_FOCUS);
 372
 373
 374         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 375                          G_CALLBACK(folderview_key_pressed),
 376                          folderview);
 377         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 378                          G_CALLBACK(folderview_button_pressed),
 379                          folderview);
 380         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 381                          G_CALLBACK(folderview_button_released),
 382                          folderview);
 383         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 384                          G_CALLBACK(folderview_selected), folderview);
 385         g_signal_connect(G_OBJECT(ctree), "start_drag",
 386                          G_CALLBACK(folderview_start_drag), folderview);
 387         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 388                          G_CALLBACK(folderview_drag_data_get),
 389                          folderview);
 390
 391         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 392                                G_CALLBACK(folderview_tree_expanded),
 393                                folderview);
 394         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 395                                G_CALLBACK(folderview_tree_collapsed),
 396                                folderview);
 397
 398         g_signal_connect(G_OBJECT(ctree), "resize_column",
 399                          G_CALLBACK(folderview_col_resized),
 400                          folderview);
 401
 402         /* drop callback */
 403         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 404                           summary_drag_types, 1,
 405                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 406         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 407                          G_CALLBACK(folderview_drag_motion_cb),
 408                          folderview);
 409         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 410                          G_CALLBACK(folderview_drag_leave_cb),
 411                          folderview);
 412         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 413                          G_CALLBACK(folderview_drag_received_cb),
 414                          folderview);
 415         g_signal_connect(G_OBJECT(ctree), "drag_end",
 416                          G_CALLBACK(folderview_drag_end_cb),
 417                          folderview);
 418
 419         folderview->scrolledwin  = scrolledwin;
 420         folderview->ctree        = ctree;
 421
 422         folderview->folder_update_callback_id =
 423                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 424         folderview->folder_item_update_callback_id =
 425                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 426
 427         gtk_widget_show_all(scrolledwin);
 428
 429         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 430         folderview_list = g_list_append(folderview_list, folderview);
 431
 432         return folderview;
 433 }
 434
 435 void folderview_init(FolderView *folderview)
 436 {
 437         GtkWidget *ctree = folderview->ctree;
 438         GtkWidget *label_new;
 439         GtkWidget *label_unread;
 440         GtkWidget *label_total;
 441         GtkWidget *hbox_new;
 442         GtkWidget *hbox_unread;
 443         GtkWidget *hbox_total;
 444
 445         gtk_widget_realize(ctree);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 468
 469         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 470          * instead text (text overflows making them unreadable and ugly) */
 471         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 472                          &newxpm, &newxpmmask);
 473         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 474                          &unreadxpm, &unreadxpmmask);
 475         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 476                          &readxpm, &readxpmmask);
 477
 478         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 479         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 480         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 481
 482         hbox_new = gtk_hbox_new(FALSE, 4);
 483         hbox_unread = gtk_hbox_new(FALSE, 4);
 484         hbox_total = gtk_hbox_new(FALSE, 4);
 485
 486         /* left justified */
 487         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 488         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 489         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 490         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 491         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 492         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 493
 494         gtk_widget_show_all(hbox_new);
 495         gtk_widget_show_all(hbox_unread);
 496         gtk_widget_show_all(hbox_total);
 497
 498         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 501
 502         if (!normal_style) {
 503                 PangoFontDescription *font_desc;
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 506                 if (font_desc) {
 507                         if (normal_style->font_desc)
 508                                 pango_font_description_free
 509                                         (normal_style->font_desc);
 510                         normal_style->font_desc = font_desc;
 511                 }
 512                 normal_color_style = gtk_style_copy(normal_style);
 513                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 514
 515                 gtk_widget_set_style(ctree, normal_style);
 516         }
 517
 518         if (!bold_style) {
 519                 PangoFontDescription *font_desc;
 520                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 521                 font_desc = pango_font_description_from_string(BOLD_FONT);
 522                 if (font_desc) {
 523                         if (bold_style->font_desc)
 524                                 pango_font_description_free
 525                                         (bold_style->font_desc);
 526                         bold_style->font_desc = font_desc;
 527                 }
 528                 pango_font_description_set_weight
 529                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 530                 bold_color_style = gtk_style_copy(bold_style);
 531                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 532
 533                 bold_tgtfold_style = gtk_style_copy(bold_style);
 534                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 535         }
 536 }
 537
 538 void folderview_set(FolderView *folderview)
 539 {
 540         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 541         MainWindow *mainwin = folderview->mainwin;
 542
 543         debug_print("Setting folder info...\n");
 544         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 545
 546         main_window_cursor_wait(mainwin);
 547
 548         folderview->selected = NULL;
 549         folderview->opened = NULL;
 550
 551         gtk_clist_freeze(GTK_CLIST(ctree));
 552         gtk_clist_clear(GTK_CLIST(ctree));
 553         gtk_clist_thaw(GTK_CLIST(ctree));
 554         gtk_clist_freeze(GTK_CLIST(ctree));
 555
 556         folderview_set_folders(folderview);
 557
 558         gtk_clist_thaw(GTK_CLIST(ctree));
 559         main_window_cursor_normal(mainwin);
 560         STATUSBAR_POP(mainwin);
 561 }
 562
 563 void folderview_set_all(void)
 564 {
 565         GList *list;
 566
 567         for (list = folderview_list; list != NULL; list = list->next)
 568                 folderview_set((FolderView *)list->data);
 569 }
 570
 571 void folderview_select(FolderView *folderview, FolderItem *item)
 572 {
 573         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 574         GtkCTreeNode *node;
 575         GtkCTreeNode *old_selected = folderview->selected;
 576
 577         if (!item) return;
 578
 579         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 580         if (node) folderview_select_node(folderview, node);
 581
 582         if (old_selected != node)
 583                 folder_update_op_count();
 584 }
 585
 586 static void mark_all_read_cb(FolderView *folderview, guint action,
 587                              GtkWidget *widget)
 588 {
 589         FolderItem *item;
 590
 591         item = folderview_get_selected_item(folderview);
 592         if (item == NULL)
 593                 return;
 594
 595         if (folderview->summaryview->folder_item == item)
 596                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 597         folderutils_mark_all_read(item);
 598         if (folderview->summaryview->folder_item == item)
 599                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 600 }
 601
 602 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 603 {
 604         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 605
 606         g_return_if_fail(node != NULL);
 607
 608         folderview->open_folder = TRUE;
 609         gtkut_ctree_set_focus_row(ctree, node);
 610         gtk_ctree_select(ctree, node);
 611         if (folderview->summaryview->folder_item &&
 612             folderview->summaryview->folder_item->total_msgs > 0)
 613                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 614         else
 615                 gtk_widget_grab_focus(folderview->ctree);
 616
 617         gtkut_ctree_expand_parent_all(ctree, node);
 618 }
 619
 620 void folderview_unselect(FolderView *folderview)
 621 {
 622         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 623                 gtk_ctree_collapse
 624                         (GTK_CTREE(folderview->ctree), folderview->opened);
 625
 626         folderview->selected = folderview->opened = NULL;
 627 }
 628
 629 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 630                                                  GtkCTreeNode *node)
 631 {
 632         FolderItem *item;
 633
 634         if (node)
 635                 node = gtkut_ctree_node_next(ctree, node);
 636         else
 637                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 638
 639         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 640                 item = gtk_ctree_node_get_row_data(ctree, node);
 641                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 642                         return node;
 643         }
 644
 645         return NULL;
 646 }
 647
 648 void folderview_select_next_unread(FolderView *folderview)
 649 {
 650         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 651         GtkCTreeNode *node = NULL;
 652
 653         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 654             != NULL) {
 655                 folderview_select_node(folderview, node);
 656                 return;
 657         }
 658
 659         if (!folderview->opened ||
 660             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 661                 return;
 662         /* search again from the first node */
 663         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 664                 folderview_select_node(folderview, node);
 665 }
 666
 667 FolderItem *folderview_get_selected_item(FolderView *folderview)
 668 {
 669         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 670
 671         if (!folderview->selected) return NULL;
 672         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 673 }
 674
 675 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 676 {
 677         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 678         static GtkCTreeNode *prev_row = NULL;
 679         FolderItem *item;
 680         gint new, unread, total;
 681         gchar *new_str, *unread_str, *total_str;
 682
 683         if (!row) return;
 684
 685         item = gtk_ctree_node_get_row_data(ctree, row);
 686         if (!item) return;
 687
 688         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 689         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 690         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 691         new = atoi(new_str);
 692         unread = atoi(unread_str);
 693         total = atoi(total_str);
 694
 695         prev_row = row;
 696
 697         folderview_update_node(folderview, row);
 698 }
 699
 700 void folderview_append_item(FolderItem *item)
 701 {
 702         GList *list;
 703
 704         g_return_if_fail(item != NULL);
 705         g_return_if_fail(item->folder != NULL);
 706         if (folder_item_parent(item)) return;
 707
 708         for (list = folderview_list; list != NULL; list = list->next) {
 709                 FolderView *folderview = (FolderView *)list->data;
 710                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 711                 GtkCTreeNode *node, *child;
 712
 713                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 714                                                   folder_item_parent(item));
 715                 if (node) {
 716                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 717                         if (!child) {
 718                                 gchar *text[N_FOLDER_COLS] =
 719                                         {NULL, "0", "0", "0"};
 720
 721                                 gtk_clist_freeze(GTK_CLIST(ctree));
 722
 723                                 text[COL_FOLDER] = item->name;
 724                                 child = gtk_ctree_insert_node
 725                                         (ctree, node, NULL, text,
 726                                          FOLDER_SPACING,
 727                                          folderxpm, folderxpmmask,
 728                                          folderopenxpm, folderopenxpmmask,
 729                                          FALSE, FALSE);
 730                                 gtk_ctree_node_set_row_data(ctree, child, item);
 731                                 gtk_ctree_expand(ctree, node);
 732                                 folderview_update_node(folderview, child);
 733                                 folderview_sort_folders(folderview, node,
 734                                                         item->folder);
 735
 736                                 gtk_clist_thaw(GTK_CLIST(ctree));
 737                         }
 738                 }
 739         }
 740 }
 741
 742 static void folderview_set_folders(FolderView *folderview)
 743 {
 744         GList *list;
 745
 746         list = folder_get_list();
 747
 748         for (; list != NULL; list = list->next)
 749                 folderview_append_folder(folderview, FOLDER(list->data));
 750 }
 751
 752 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 753                                       gpointer data)
 754 {
 755         GList *list;
 756
 757         for (list = folderview_list; list != NULL; list = list->next) {
 758                 FolderView *folderview = (FolderView *)list->data;
 759                 MainWindow *mainwin = folderview->mainwin;
 760                 gchar *str;
 761
 762                 if (item->path)
 763                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 764                                               item->folder->name, G_DIR_SEPARATOR,
 765                                               item->path);
 766                 else
 767                         str = g_strdup_printf(_("Scanning folder %s ..."),
 768                                               item->folder->name);
 769
 770                 STATUSBAR_PUSH(mainwin, str);
 771                 STATUSBAR_POP(mainwin);
 772                 g_free(str);
 773         }
 774 }
 775
 776 static GtkWidget *label_window_create(const gchar *str)
 777 {
 778         GtkWidget *window;
 779         GtkWidget *label;
 780
 781         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 782         gtk_widget_set_size_request(window, 380, 60);
 783         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 784         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 785         gtk_window_set_title(GTK_WINDOW(window), str);
 786         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 787         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 788         manage_window_set_transient(GTK_WINDOW(window));
 789
 790         label = gtk_label_new(str);
 791         gtk_container_add(GTK_CONTAINER(window), label);
 792         gtk_widget_show(label);
 793
 794         gtk_widget_show_now(window);
 795
 796         return window;
 797 }
 798
 799 void folderview_rescan_tree(Folder *folder)
 800 {
 801         GtkWidget *window;
 802
 803         g_return_if_fail(folder != NULL);
 804
 805         if (!folder->klass->scan_tree) return;
 806
 807         inc_lock();
 808         window = label_window_create(_("Rebuilding folder tree..."));
 809
 810         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 811         folder_scan_tree(folder);
 812         folder_set_ui_func(folder, NULL, NULL);
 813
 814         folderview_set_all();
 815
 816         gtk_widget_destroy(window);
 817         inc_unlock();
 818 }
 819
 820 /** folderview_check_new()
 821  *  Scan and update the folder and return the
 822  *  count the number of new messages since last check.
 823  *  \param folder the folder to check for new messages
 824  *  \return the number of new messages since last check
 825  */
 826 gint folderview_check_new(Folder *folder)
 827 {
 828         GList *list;
 829         FolderItem *item;
 830         FolderView *folderview;
 831         GtkCTree *ctree;
 832         GtkCTreeNode *node;
 833         gint new_msgs = 0;
 834         gint former_new_msgs = 0;
 835         gint former_new = 0;
 836
 837         for (list = folderview_list; list != NULL; list = list->next) {
 838                 folderview = (FolderView *)list->data;
 839                 ctree = GTK_CTREE(folderview->ctree);
 840
 841                 inc_lock();
 842                 main_window_lock(folderview->mainwin);
 843                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 844
 845                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 846                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 847                         item = gtk_ctree_node_get_row_data(ctree, node);
 848                         if (!item || !item->path || !item->folder) continue;
 849                         if (item->no_select) continue;
 850                         if (folder && folder != item->folder) continue;
 851                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 852                         if (!item->prefs->newmailcheck) continue;
 853
 854                         folderview_scan_tree_func(item->folder, item, NULL);
 855                         former_new = item->new_msgs;
 856                         if (folder_item_scan(item) < 0) {
 857                                 if (folder && !FOLDER_IS_LOCAL(folder))
 858                                         break;
 859                         }
 860                         folderview_update_node(folderview, node);
 861                         new_msgs += item->new_msgs;
 862                         former_new_msgs += former_new;
 863                 }
 864
 865                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 866                 main_window_unlock(folderview->mainwin);
 867                 inc_unlock();
 868         }
 869
 870         folder_write_list();
 871         /* Number of new messages since last check is the just the difference
 872          * between former_new_msgs and new_msgs. If new_msgs is less than
 873          * former_new_msgs, that would mean another session accessed the folder
 874          * and the result is not well defined.
 875          */
 876         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 877         return new_msgs;
 878 }
 879
 880 void folderview_check_new_all(void)
 881 {
 882         GList *list;
 883         GtkWidget *window;
 884         FolderView *folderview;
 885
 886         folderview = (FolderView *)folderview_list->data;
 887
 888         inc_lock();
 889         main_window_lock(folderview->mainwin);
 890         window = label_window_create
 891                 (_("Checking for new messages in all folders..."));
 892
 893         list = folder_get_list();
 894         for (; list != NULL; list = list->next) {
 895                 Folder *folder = list->data;
 896
 897                 folderview_check_new(folder);
 898         }
 899
 900         folder_write_list();
 901         folderview_set_all();
 902
 903         gtk_widget_destroy(window);
 904         main_window_unlock(folderview->mainwin);
 905         inc_unlock();
 906 }
 907
 908 static gboolean folderview_have_new_children_sub(FolderView *folderview,
 909                                                  FolderItem *item,
 910                                                  gboolean in_sub)
 911 {
 912         GNode *node = item->folder->node;
 913
 914         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 915         node = node->children;
 916
 917         if (in_sub &&
 918             (item->new_msgs > 0 ||
 919             (item->stype == F_QUEUE && item->total_msgs > 0))) {
 920                 return TRUE;
 921         }
 922
 923         while (node != NULL) {
 924                 if (node && node->data) {
 925                         FolderItem *next_item = (FolderItem*) node->data;
 926                         node = node->next;
 927                         if (folderview_have_new_children_sub(folderview,
 928                                                              next_item, TRUE))
 929                                 return TRUE;
 930                 }
 931         }
 932
 933         return FALSE;
 934 }
 935
 936 static gboolean folderview_have_new_children(FolderView *folderview,
 937                                              FolderItem *item)
 938 {
 939         return folderview_have_new_children_sub(folderview, item, FALSE);
 940 }
 941
 942 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
 943                                                     FolderItem *item,
 944                                                     gboolean in_sub)
 945 {
 946         GNode *node = item->folder->node;
 947
 948         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 949         node = node->children;
 950
 951         if (in_sub &&
 952             (item->unread_msgs > 0 ||
 953             (item->stype == F_QUEUE && item->total_msgs > 0))) {
 954                 return TRUE;
 955         }
 956
 957         while (node != NULL) {
 958                 if (node && node->data) {
 959                         FolderItem *next_item = (FolderItem*) node->data;
 960                         node = node->next;
 961                         if (folderview_have_unread_children_sub(folderview,
 962                                                                 next_item,
 963                                                                 TRUE))
 964                                 return TRUE;
 965                 }
 966         }
 967
 968         return FALSE;
 969 }
 970
 971 static gboolean folderview_have_unread_children(FolderView *folderview,
 972                                                 FolderItem *item)
 973 {
 974         return folderview_have_unread_children_sub(folderview, item, FALSE);
 975 }
 976
 977 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
 978                                                       FolderItem *item,
 979                                                       gboolean in_sub)
 980 {
 981         GNode *node = item->folder->node;
 982
 983         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 984         node = node->children;
 985
 986         if (in_sub && item->search_match){
 987                 return TRUE;
 988         }
 989
 990         while (node != NULL) {
 991                 if (node && node->data) {
 992                         FolderItem *next_item = (FolderItem*) node->data;
 993                         node = node->next;
 994                         if (folderview_have_matching_children_sub(folderview,
 995                                                                   next_item,
 996                                                                   TRUE))
 997                                 return TRUE;
 998                 }
 999         }
1000
1001         return FALSE;
1002 }
1003
1004 static gboolean folderview_have_matching_children(FolderView *folderview,
1005                                                   FolderItem *item)
1006 {
1007         return folderview_have_matching_children_sub(folderview, item, FALSE);
1008 }
1009
1010 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1011 {
1012         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1013         GtkStyle *style = NULL;
1014         GtkStyle *color_style = NULL;
1015         FolderItem *item;
1016         GdkPixmap *xpm, *openxpm;
1017         GdkBitmap *mask, *openmask;
1018         static GdkPixmap *searchicon;
1019         static GdkBitmap *searchmask;
1020
1021         gchar *name;
1022         gchar *str;
1023         gboolean add_unread_mark;
1024         gboolean add_sub_match_mark;
1025         gboolean use_bold, use_color;
1026
1027         item = gtk_ctree_node_get_row_data(ctree, node);
1028         g_return_if_fail(item != NULL);
1029
1030         switch (item->stype) {
1031         case F_INBOX:
1032                 if (item->hide_read_msgs) {
1033                         xpm = inboxhrmxpm;
1034                         mask = inboxhrmxpmmask;
1035                         openxpm = inboxopenhrmxpm;
1036                         openmask = inboxopenhrmxpmmask;
1037                 } else {
1038                         xpm = inboxxpm;
1039                         mask = inboxxpmmask;
1040                         openxpm = inboxopenxpm;
1041                         openmask = inboxopenxpmmask;
1042                 }
1043                 break;
1044         case F_OUTBOX:
1045                 if (item->hide_read_msgs) {
1046                         xpm = outboxhrmxpm;
1047                         mask = outboxhrmxpmmask;
1048                         openxpm = outboxopenhrmxpm;
1049                         openmask = outboxopenhrmxpmmask;
1050                 } else {
1051                         xpm = outboxxpm;
1052                         mask = outboxxpmmask;
1053                         openxpm = outboxopenxpm;
1054                         openmask = outboxopenxpmmask;
1055                 }
1056                 break;
1057         case F_QUEUE:
1058                 if (item->hide_read_msgs) {
1059                         xpm = queuehrmxpm;
1060                         mask = queuehrmxpmmask;
1061                         openxpm = queueopenhrmxpm;
1062                         openmask = queueopenhrmxpmmask;
1063                 } else {
1064                         xpm = queuexpm;
1065                         mask = queuexpmmask;
1066                         openxpm = queueopenxpm;
1067                         openmask = queueopenxpmmask;
1068                 }
1069                 break;
1070         case F_TRASH:
1071                 if (item->hide_read_msgs) {
1072                         xpm = trashhrmxpm;
1073                         mask = trashhrmxpmmask;
1074                         openxpm = trashopenhrmxpm;
1075                         openmask = trashopenhrmxpmmask;
1076                 } else {
1077                         xpm = trashxpm;
1078                         mask = trashxpmmask;
1079                         openxpm = trashopenxpm;
1080                         openmask = trashopenxpmmask;
1081                 }
1082                 break;
1083         case F_DRAFT:
1084                 xpm = draftsxpm;
1085                 mask = draftsxpmmask;
1086                 openxpm = draftsopenxpm;
1087                 openmask = draftsopenxpmmask;
1088                 break;
1089         default:
1090                 if (item->hide_read_msgs) {
1091                         xpm = folderhrmxpm;
1092                         mask = folderhrmxpmmask;
1093                         openxpm = folderopenhrmxpm;
1094                         openmask = folderopenhrmxpmmask;
1095                 } else {
1096                         xpm = folderxpm;
1097                         mask = folderxpmmask;
1098                         openxpm = folderopenxpm;
1099                         openmask = folderopenxpmmask;
1100                 }
1101         }
1102         name = folder_item_get_name(item);
1103
1104         if (!GTK_CTREE_ROW(node)->expanded) {
1105                 add_unread_mark = folderview_have_unread_children(
1106                                         folderview, item);
1107                 add_sub_match_mark = folderview_have_matching_children(
1108                                         folderview, item);
1109         } else {
1110                 add_unread_mark = FALSE;
1111                 add_sub_match_mark = FALSE;
1112         }
1113
1114         if (item->search_match) {
1115                 if (!searchicon) {
1116                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1117                          &searchicon, &searchmask);
1118                 }
1119                 xpm = openxpm = searchicon;
1120                 mask = openmask = searchmask;
1121         }
1122
1123         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1124             prefs_common.display_folder_unread) {
1125                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1126                                       add_unread_mark ? "+" : "");
1127                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1128                                         xpm, mask, openxpm, openmask,
1129                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1130                 g_free(str);
1131         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1132                     prefs_common.display_folder_unread)
1133                    || add_sub_match_mark) {
1134
1135                 if (item->unread_msgs > 0)
1136                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1137                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1138                                               item->unreadmarked_msgs > 0 ? "!":"");
1139                 else
1140                         str = g_strdup_printf("%s (+)", name);
1141                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1142                                         xpm, mask, openxpm, openmask,
1143                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1144                 g_free(str);
1145         } else {
1146                 str = g_strdup_printf("%s%s", name,
1147                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1148
1149                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1150                                         xpm, mask, openxpm, openmask,
1151                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1152                 g_free(str);
1153         }
1154         g_free(name);
1155
1156         if (!folder_item_parent(item)) {
1157                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1158                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1159                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1160         } else {
1161                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1162                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1163                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1164         }
1165
1166         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1167             item->stype == F_TRASH) {
1168                 use_bold = use_color = FALSE;
1169         } else if (item->stype == F_QUEUE) {
1170                 /* highlight queue folder if there are any messages */
1171                 use_bold = use_color = (item->total_msgs > 0);
1172         } else {
1173                 /* if unread messages exist, print with bold font */
1174                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1175                 /* if new messages exist, print with colored letter */
1176                 use_color =
1177                         (item->new_msgs > 0) ||
1178                         (add_unread_mark &&
1179                          folderview_have_new_children(folderview, item));
1180         }
1181
1182         gtk_ctree_node_set_foreground(ctree, node, NULL);
1183
1184         if (use_bold) {
1185                 if (item->prefs->color > 0 && !use_color) {
1186                         GdkColor gdk_color;
1187
1188                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1189                         color_style = gtk_style_copy(bold_style);
1190                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1191                         style = color_style;
1192                 } else if (use_color)
1193                         style = bold_color_style;
1194                 else
1195                         style = bold_style;
1196                 if (item->op_count > 0) {
1197                         style = bold_tgtfold_style;
1198                 }
1199         } else if (use_color) {
1200                 style = normal_color_style;
1201                 gtk_ctree_node_set_foreground(ctree, node,
1202                                               &folderview->color_new);
1203         } else if (item->op_count > 0) {
1204                 style = bold_tgtfold_style;
1205         } else if (item->prefs->color > 0) {
1206                 GdkColor gdk_color;
1207                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1208                 color_style = gtk_style_copy(normal_style);
1209                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1210                 style = color_style;
1211         } else {
1212                 style = normal_style;
1213         }
1214
1215         gtk_ctree_node_set_row_style(ctree, node, style);
1216
1217         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1218                 folderview_update_node(folderview, node);
1219 }
1220
1221 #if !CLAWS /* keep it here for syncs */
1222 void folderview_update_item(FolderItem *item, gboolean update_summary)
1223 {
1224         GList *list;
1225         FolderView *folderview;
1226         GtkCTree *ctree;
1227         GtkCTreeNode *node;
1228
1229         g_return_if_fail(item != NULL);
1230
1231         for (list = folderview_list; list != NULL; list = list->next) {
1232                 folderview = (FolderView *)list->data;
1233                 ctree = GTK_CTREE(folderview->ctree);
1234
1235                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1236                 if (node) {
1237                         folderview_update_node(folderview, node);
1238                         if (update_summary && folderview->opened == node)
1239                                 summary_show(folderview->summaryview,
1240                                              item, FALSE);
1241                 }
1242         }
1243 }
1244 #endif
1245
1246 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1247 {
1248         GList *list;
1249         FolderView *folderview;
1250         GtkCTree *ctree;
1251         GtkCTreeNode *node;
1252
1253         g_return_if_fail(item != NULL);
1254
1255         for (list = folderview_list; list != NULL; list = list->next) {
1256                 folderview = (FolderView *)list->data;
1257                 ctree = GTK_CTREE(folderview->ctree);
1258
1259                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1260                 if (node) {
1261                         item->search_match = matches;
1262                         folderview_update_node(folderview, node);
1263                 }
1264         }
1265 }
1266
1267 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1268 {
1269         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1270         FolderView *folderview = (FolderView *)data;
1271         GtkCTree *ctree;
1272         GtkCTreeNode *node;
1273         g_return_val_if_fail(update_info != NULL, TRUE);
1274         g_return_val_if_fail(update_info->item != NULL, TRUE);
1275         g_return_val_if_fail(folderview != NULL, FALSE);
1276
1277         ctree = GTK_CTREE(folderview->ctree);
1278
1279         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1280         if (node) {
1281                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1282                         folderview_update_node(folderview, node);
1283                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1284                         summary_show(folderview->summaryview, update_info->item);
1285         }
1286
1287         return FALSE;
1288 }
1289
1290 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1291                                                 gpointer data)
1292 {
1293         /* CLAWS: share this joy with other hook functions ... */
1294         folder_item_update((FolderItem *)key,
1295                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1296 }
1297
1298 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1299 {
1300         GList *list;
1301         FolderItemUpdateFlags flags;
1302
1303         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1304                 : 0;
1305         for (list = folderview_list; list != NULL; list = list->next)
1306                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1307                                      GINT_TO_POINTER(flags));
1308 }
1309
1310 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1311                                       GNode *gnode, GtkCTreeNode *cnode,
1312                                       gpointer data)
1313 {
1314         FolderView *folderview = (FolderView *)data;
1315         FolderItem *item = FOLDER_ITEM(gnode->data);
1316
1317         g_return_val_if_fail(item != NULL, FALSE);
1318
1319         gtk_ctree_node_set_row_data(ctree, cnode, item);
1320         folderview_update_node(folderview, cnode);
1321
1322         return TRUE;
1323 }
1324
1325 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1326                                    gpointer data)
1327 {
1328         FolderView *folderview = (FolderView *)data;
1329         FolderItem *item;
1330
1331         if (GTK_CTREE_ROW(node)->children) {
1332                 item = gtk_ctree_node_get_row_data(ctree, node);
1333                 g_return_if_fail(item != NULL);
1334
1335                 if (!item->collapsed)
1336                         gtk_ctree_expand(ctree, node);
1337                 else
1338                         folderview_update_node(folderview, node);
1339         }
1340 }
1341
1342 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1343                                GtkCTreeNode *root, GtkCTreeNode **prev)
1344 {
1345         if (item) {
1346                 GtkCTreeNode *node, *parent, *sibling;
1347
1348                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1349                 if (!node)
1350                         g_warning("%s not found.\n", item->path);
1351                 else {
1352                         parent = GTK_CTREE_ROW(node)->parent;
1353                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1354                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1355                         else
1356                                 sibling = GTK_CTREE_ROW(parent)->children;
1357                         while (sibling) {
1358                                 FolderItem *tmp;
1359
1360                                 tmp = gtk_ctree_node_get_row_data
1361                                         (ctree, sibling);
1362                                 if (tmp->stype != F_NORMAL)
1363                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1364                                 else
1365                                         break;
1366                         }
1367                         if (node != sibling)
1368                                 gtk_ctree_move(ctree, node, parent, sibling);
1369                 }
1370
1371                 *prev = node;
1372         }
1373 }
1374
1375 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1376                                     Folder *folder)
1377 {
1378         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1379         GtkCTreeNode *prev = NULL;
1380
1381         gtk_sctree_sort_recursive(ctree, root);
1382
1383         if (root && GTK_CTREE_ROW(root)->parent) return;
1384
1385         set_special_folder(ctree, folder->inbox, root, &prev);
1386         set_special_folder(ctree, folder->outbox, root, &prev);
1387         set_special_folder(ctree, folder->draft, root, &prev);
1388         set_special_folder(ctree, folder->queue, root, &prev);
1389         set_special_folder(ctree, folder->trash, root, &prev);
1390 }
1391
1392 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1393 {
1394         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1395         GtkCTreeNode *root;
1396
1397         g_return_if_fail(folder != NULL);
1398
1399         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1400                                       folderview_gnode_func, folderview);
1401         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1402                                 folderview);
1403         folderview_sort_folders(folderview, root, folder);
1404 }
1405
1406 /* callback functions */
1407
1408 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1409                                           FolderView *folderview)
1410 {
1411         GtkCList *clist = GTK_CLIST(ctree);
1412         gint prev_row = -1, row = -1, column = -1;
1413         FolderItem *item;
1414         Folder *folder;
1415         FolderViewPopup *fpopup;
1416         GtkItemFactory *fpopup_factory;
1417         GtkWidget *popup;
1418
1419         if (!event) return FALSE;
1420
1421         if (event->button == 1) {
1422                 folderview->open_folder = TRUE;
1423
1424                 if (event->type == GDK_2BUTTON_PRESS) {
1425                         if (clist->selection) {
1426                                 GtkCTreeNode *node;
1427
1428                                 node = GTK_CTREE_NODE(clist->selection->data);
1429                                 if (node)
1430                                         gtk_ctree_toggle_expansion(
1431                                                 GTK_CTREE(ctree),
1432                                                 node);
1433                         }
1434                 }
1435                 return FALSE;
1436         }
1437
1438         if (event->button == 2 || event->button == 3) {
1439                 /* right clicked */
1440                 if (clist->selection) {
1441                         GtkCTreeNode *node;
1442
1443                         node = GTK_CTREE_NODE(clist->selection->data);
1444                         if (node)
1445                                 prev_row = gtkut_ctree_get_nth_from_node
1446                                         (GTK_CTREE(ctree), node);
1447                 }
1448
1449                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1450                                                   &row, &column))
1451                         return FALSE;
1452                 if (prev_row != row) {
1453                         gtk_clist_unselect_all(clist);
1454                         if (event->button == 2)
1455                                 folderview_select_node
1456                                         (folderview,
1457                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1458                                                             row));
1459                         else
1460                                 gtk_clist_select_row(clist, row, column);
1461                 }
1462         }
1463
1464         if (event->button != 3) return FALSE;
1465
1466         item = gtk_clist_get_row_data(clist, row);
1467         g_return_val_if_fail(item != NULL, FALSE);
1468         g_return_val_if_fail(item->folder != NULL, FALSE);
1469         folder = item->folder;
1470
1471         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1472         if (fpopup != NULL)
1473                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1474         else {
1475                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1476                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1477         }
1478
1479         if (fpopup->set_sensitivity != NULL)
1480                 fpopup->set_sensitivity(fpopup_factory, item);
1481
1482         if (item == folder->trash &&
1483             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1484                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1485                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1486         } else if (item != folder->trash) {
1487                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1488                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1489         }
1490
1491 #define SET_SENS(name, sens) \
1492         menu_set_sensitive(fpopup_factory, name, sens)
1493
1494         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1495         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1496                  folderview->selected == folderview->opened);
1497         SET_SENS("/Properties...", item->node->parent != NULL);
1498         SET_SENS("/Processing...", item->node->parent != NULL);
1499         if (item == folder->trash)
1500                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1501 #undef SET_SENS
1502
1503         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1504         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1505                        event->button, event->time);
1506
1507         return FALSE;
1508 }
1509
1510 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1511                                            FolderView *folderview)
1512 {
1513         if (!event) return FALSE;
1514
1515         if (event->button == 1 && folderview->open_folder == FALSE &&
1516             folderview->opened != NULL) {
1517                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1518                                           folderview->opened);
1519                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1520         }
1521
1522         return FALSE;
1523 }
1524
1525 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1526                                        FolderView *folderview)
1527 {
1528         if (!event) return FALSE;
1529
1530         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1531                 return FALSE;
1532
1533         switch (event->keyval) {
1534         case GDK_Return:
1535                 if (folderview->selected) {
1536                         folderview_select_node(folderview,
1537                                                folderview->selected);
1538                 }
1539                 break;
1540         case GDK_space:
1541                 if (folderview->selected) {
1542                         if (folderview->opened == folderview->selected &&
1543                             (!folderview->summaryview->folder_item ||
1544                              folderview->summaryview->folder_item->total_msgs == 0))
1545                                 folderview_select_next_unread(folderview);
1546                         else
1547                                 folderview_select_node(folderview,
1548                                                        folderview->selected);
1549                 }
1550                 break;
1551         default:
1552                 break;
1553         }
1554
1555         return FALSE;
1556 }
1557
1558 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1559                                 gint column, FolderView *folderview)
1560 {
1561         static gboolean can_select = TRUE;      /* exclusive lock */
1562         gboolean opened;
1563         FolderItem *item;
1564         gchar *buf;
1565
1566         folderview->selected = row;
1567
1568         if (folderview->opened == row) {
1569                 folderview->open_folder = FALSE;
1570                 return;
1571         }
1572
1573         if (!can_select || summary_is_locked(folderview->summaryview)) {
1574                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1575                 gtk_ctree_select(ctree, folderview->opened);
1576                 return;
1577         }
1578
1579         if (!folderview->open_folder) return;
1580
1581         item = gtk_ctree_node_get_row_data(ctree, row);
1582         if (!item) return;
1583
1584         can_select = FALSE;
1585
1586         /* Save cache for old folder */
1587         /* We don't want to lose all caches if sylpheed crashed */
1588         if (folderview->opened) {
1589                 FolderItem *olditem;
1590
1591                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1592                 if (olditem) {
1593                         /* will be null if we just moved the previously opened folder */
1594                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1595                         folder_item_close(olditem);
1596                 }
1597         }
1598
1599         /* CLAWS: set compose button type: news folder items
1600          * always have a news folder as parent */
1601         if (item->folder)
1602                 toolbar_set_compose_button
1603                         (folderview->mainwin->toolbar,
1604                          FOLDER_TYPE(item->folder) == F_NEWS ?
1605                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1606
1607         if (item->path)
1608                 debug_print("Folder %s is selected\n", item->path);
1609
1610         if (!GTK_CTREE_ROW(row)->children)
1611                 gtk_ctree_expand(ctree, row);
1612         if (folderview->opened &&
1613             !GTK_CTREE_ROW(folderview->opened)->children)
1614                 gtk_ctree_collapse(ctree, folderview->opened);
1615
1616         /* ungrab the mouse event */
1617         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1618                 gtk_grab_remove(GTK_WIDGET(ctree));
1619                 if (gdk_pointer_is_grabbed())
1620                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1621         }
1622
1623         /* Open Folder */
1624         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1625                                         item->path : "(null)");
1626         debug_print("%s\n", buf);
1627         STATUSBAR_PUSH(folderview->mainwin, buf);
1628         g_free(buf);
1629
1630         main_window_cursor_wait(folderview->mainwin);
1631
1632         if (folder_item_open(item) != 0) {
1633                 main_window_cursor_normal(folderview->mainwin);
1634                 STATUSBAR_POP(folderview->mainwin);
1635
1636                 alertpanel_error(_("Folder could not be opened."));
1637
1638                 folderview->open_folder = FALSE;
1639                 can_select = TRUE;
1640
1641                 return;
1642         }
1643
1644         main_window_cursor_normal(folderview->mainwin);
1645
1646         /* Show messages */
1647         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1648         opened = summary_show(folderview->summaryview, item);
1649
1650         folder_clean_cache_memory();
1651
1652         if (!opened) {
1653                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1654                 gtk_ctree_select(ctree, folderview->opened);
1655         } else {
1656                 folderview->opened = row;
1657                 if (gtk_ctree_node_is_visible(ctree, row)
1658                     != GTK_VISIBILITY_FULL)
1659                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1660         }
1661
1662         STATUSBAR_POP(folderview->mainwin);
1663
1664         folderview->open_folder = FALSE;
1665         can_select = TRUE;
1666 }
1667
1668 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1669                                      FolderView *folderview)
1670 {
1671         FolderItem *item;
1672
1673         item = gtk_ctree_node_get_row_data(ctree, node);
1674         g_return_if_fail(item != NULL);
1675         item->collapsed = FALSE;
1676         folderview_update_node(folderview, node);
1677 }
1678
1679 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1680                                       FolderView *folderview)
1681 {
1682         FolderItem *item;
1683
1684         item = gtk_ctree_node_get_row_data(ctree, node);
1685         g_return_if_fail(item != NULL);
1686         item->collapsed = TRUE;
1687         folderview_update_node(folderview, node);
1688 }
1689
1690 static void folderview_popup_close(GtkMenuShell *menu_shell,
1691                                    FolderView *folderview)
1692 {
1693         if (!folderview->opened) return;
1694
1695         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1696                                   folderview->opened);
1697         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1698 }
1699
1700 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1701                                    FolderView *folderview)
1702 {
1703         switch (column) {
1704         case COL_FOLDER:
1705                 prefs_common.folder_col_folder = width;
1706                 break;
1707         case COL_NEW:
1708                 prefs_common.folder_col_new = width;
1709                 break;
1710         case COL_UNREAD:
1711                 prefs_common.folder_col_unread = width;
1712                 break;
1713         case COL_TOTAL:
1714                 prefs_common.folder_col_total = width;
1715                 break;
1716         default:
1717                 break;
1718         }
1719 }
1720
1721 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1722 {
1723         GNode *srcnode;
1724
1725         folderview_create_folder_node(folderview, item);
1726
1727         srcnode = item->folder->node;
1728         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1729         srcnode = srcnode->children;
1730         while (srcnode != NULL) {
1731                 if (srcnode && srcnode->data) {
1732                         FolderItem *next_item = (FolderItem*) srcnode->data;
1733                         folderview_create_folder_node_recursive(folderview, next_item);
1734                 }
1735                 srcnode = srcnode->next;
1736         }
1737 }
1738
1739 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1740 {
1741         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1742         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1743         GtkCTreeNode *node, *parent_node;
1744
1745         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1746         if (parent_node == NULL)
1747                 return;
1748
1749         gtk_clist_freeze(GTK_CLIST(ctree));
1750
1751         text[COL_FOLDER] = item->name;
1752         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1753                                      FOLDER_SPACING,
1754                                      folderxpm, folderxpmmask,
1755                                      folderopenxpm, folderopenxpmmask,
1756                                      FALSE, FALSE);
1757         gtk_ctree_expand(ctree, parent_node);
1758         gtk_ctree_node_set_row_data(ctree, node, item);
1759         if (normal_style)
1760                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1761         folderview_sort_folders(folderview, folderview->selected, item->folder);
1762
1763         gtk_clist_thaw(GTK_CLIST(ctree));
1764 }
1765
1766 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1767                                       GtkWidget *widget)
1768 {
1769         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1770         FolderItem *item;
1771         GSList *mlist = NULL;
1772         GSList *cur = NULL;
1773         if (!folderview->selected) return;
1774
1775         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1776         g_return_if_fail(item != NULL);
1777         g_return_if_fail(item->folder != NULL);
1778         if (item != item->folder->trash) return;
1779
1780         if (prefs_common.ask_on_clean) {
1781                 if (alertpanel(_("Empty trash"),
1782                                _("Empty all messages in trash?"),
1783                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1784                         return;
1785         }
1786
1787         mlist = folder_item_get_msg_list(item);
1788
1789         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1790                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1791                 if (MSG_IS_LOCKED(msginfo->flags))
1792                         continue;
1793                 /* is it partially received? (partial_recv isn't cached) */
1794                 if (msginfo->total_size != 0 &&
1795                     msginfo->size != (off_t)msginfo->total_size)
1796                         partial_mark_for_delete(msginfo);
1797         }
1798         procmsg_msg_list_free(mlist);
1799
1800         folder_item_remove_all_msg(item);
1801 }
1802
1803 static void folderview_search_cb(FolderView *folderview, guint action,
1804                                  GtkWidget *widget)
1805 {
1806         summary_search(folderview->summaryview);
1807 }
1808
1809 static void folderview_property_cb(FolderView *folderview, guint action,
1810                                    GtkWidget *widget)
1811 {
1812         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1813         FolderItem *item;
1814
1815         if (!folderview->selected) return;
1816
1817         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1818         g_return_if_fail(item != NULL);
1819         g_return_if_fail(item->folder != NULL);
1820
1821         if (folder_item_parent(item) == NULL)
1822                 return;
1823
1824         prefs_folder_item_open(item);
1825 }
1826
1827 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1828 {
1829         GSList *list = NULL;
1830         GSList *done = NULL;
1831         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1832
1833         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1834                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1835                 &&  list->data != node) {
1836                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1837                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1838                 }
1839         }
1840         for (list = done; list != NULL; list = g_slist_next(list)) {
1841                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1842                                                                  list->data);
1843         }
1844         g_slist_free(done);
1845 }
1846
1847 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1848                             FolderItem *to_folder)
1849 {
1850         FolderItem *from_parent = NULL;
1851         FolderItem *new_folder = NULL;
1852         GtkCTreeNode *src_node = NULL;
1853         gchar *buf;
1854         gint status;
1855
1856         g_return_if_fail(folderview != NULL);
1857         g_return_if_fail(from_folder != NULL);
1858         g_return_if_fail(to_folder != NULL);
1859
1860         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1861         from_parent = folder_item_parent(from_folder);
1862
1863         if (prefs_common.warn_dnd) {
1864                 buf = g_strdup_printf(_("Do you really want to move folder `%s' to a "
1865                                         "sub-folder of `%s' ?"), from_folder->name,
1866                                         to_folder->name);
1867                 status = alertpanel_message_with_disable(_("Move folder"), buf,
1868                                 _("Yes"), _("No"), NULL, ALERT_QUESTION);
1869                 g_free(buf);
1870
1871                 if (status != G_ALERTDEFAULT
1872                  && status != (G_ALERTDEFAULT | G_ALERTDISABLE))
1873                         return;
1874                 if (status & G_ALERTDISABLE)
1875                         prefs_common.warn_dnd = FALSE;
1876         }
1877
1878         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1879         STATUSBAR_PUSH(folderview->mainwin, buf);
1880         g_free(buf);
1881         summary_clear_all(folderview->summaryview);
1882         folderview->opened = NULL;
1883         folderview->selected = NULL;
1884         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1885         inc_lock();
1886         main_window_cursor_wait(folderview->mainwin);
1887         statusbar_verbosity_set(TRUE);
1888         folder_item_update_freeze();
1889         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1890                 statusbar_verbosity_set(FALSE);
1891                 main_window_cursor_normal(folderview->mainwin);
1892                 STATUSBAR_POP(folderview->mainwin);
1893                 folder_item_update_thaw();
1894                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1895
1896                 folderview_sort_folders(folderview,
1897                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1898                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1899                 folderview_select(folderview, new_folder);
1900         } else {
1901                 statusbar_verbosity_set(FALSE);
1902                 main_window_cursor_normal(folderview->mainwin);
1903                 STATUSBAR_POP(folderview->mainwin);
1904                 folder_item_update_thaw();
1905                 switch (status) {
1906                 case F_MOVE_FAILED_DEST_IS_PARENT:
1907                         alertpanel_error(_("Source and destination are the same."));
1908                         break;
1909                 case F_MOVE_FAILED_DEST_IS_CHILD:
1910                         alertpanel_error(_("Can't move a folder to one of its children."));
1911                         break;
1912                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1913                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1914                         break;
1915                 default:
1916                         alertpanel_error(_("Move failed!"));
1917                         break;
1918                 }
1919         }
1920         inc_unlock();
1921         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1922 }
1923
1924 static gint folderview_clist_compare(GtkCList *clist,
1925                                      gconstpointer ptr1, gconstpointer ptr2)
1926 {
1927         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1928         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1929
1930         if (!item1->name)
1931                 return (item2->name != NULL);
1932         if (!item2->name)
1933                 return -1;
1934
1935         return g_utf8_collate(item1->name, item2->name);
1936 }
1937
1938 static void folderview_processing_cb(FolderView *folderview, guint action,
1939                                      GtkWidget *widget)
1940 {
1941         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1942         FolderItem *item;
1943
1944         if (!folderview->selected) return;
1945
1946         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1947         g_return_if_fail(item != NULL);
1948         g_return_if_fail(item->folder != NULL);
1949
1950         prefs_filtering_open(&item->prefs->processing,
1951                              _("Processing configuration"), NULL, NULL);
1952 }
1953
1954 void folderview_set_target_folder_color(gint color_op)
1955 {
1956         gint firstone = 1;
1957         GList *list;
1958         FolderView *folderview;
1959
1960         for (list = folderview_list; list != NULL; list = list->next) {
1961                 folderview = (FolderView *)list->data;
1962                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1963                 if (firstone) {
1964                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1965                                 folderview->color_op;
1966                         firstone = 0;
1967                 }
1968         }
1969 }
1970
1971 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1972 {
1973         folderview_init(folderview);
1974         folderview_set_all();
1975 }
1976
1977 static void drag_state_stop(FolderView *folderview)
1978 {
1979         if (folderview->drag_timer)
1980                 gtk_timeout_remove(folderview->drag_timer);
1981         folderview->drag_timer = 0;
1982         folderview->drag_node = NULL;
1983 }
1984
1985 static gint folderview_defer_expand(FolderView *folderview)
1986 {
1987         if (folderview->drag_node) {
1988                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1989                 if (folderview->drag_item->collapsed) {
1990                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1991                         folderview->nodes_to_recollapse = g_slist_append
1992                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1993                 }
1994         }
1995         folderview->drag_item  = NULL;
1996         folderview->drag_timer = 0;
1997         return FALSE;
1998 }
1999
2000 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2001 {
2002         /* the idea is that we call drag_state_start() whenever we want expansion to
2003          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2004          * we need to call drag_state_stop() */
2005         drag_state_stop(folderview);
2006         /* request expansion */
2007         if (0 != (folderview->drag_timer = gtk_timeout_add
2008                         (prefs_common.hover_timeout,
2009                          (GtkFunction)folderview_defer_expand,
2010                          folderview))) {
2011                 folderview->drag_node = node;
2012                 folderview->drag_item = item;
2013         }
2014 }
2015
2016 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2017                                   FolderView       *folderview)
2018 {
2019         GdkDragContext *context;
2020
2021         g_return_if_fail(folderview != NULL);
2022         if (folderview->selected == NULL) return;
2023         if (folderview->nodes_to_recollapse)
2024                 g_slist_free(folderview->nodes_to_recollapse);
2025         folderview->nodes_to_recollapse = NULL;
2026         context = gtk_drag_begin(widget, folderview->target_list,
2027                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2028         gtk_drag_set_icon_default(context);
2029 }
2030
2031 static void folderview_drag_data_get(GtkWidget        *widget,
2032                                      GdkDragContext   *drag_context,
2033                                      GtkSelectionData *selection_data,
2034                                      guint             info,
2035                                      guint             time,
2036                                      FolderView       *folderview)
2037 {
2038         FolderItem *item;
2039         GList *cur;
2040         gchar *source = NULL;
2041
2042         for (cur = GTK_CLIST(folderview->ctree)->selection;
2043              cur != NULL; cur = cur->next) {
2044                 item = gtk_ctree_node_get_row_data
2045                         (GTK_CTREE(folderview->ctree),
2046                          GTK_CTREE_NODE(cur->data));
2047                 if (item) {
2048                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2049                         gtk_selection_data_set(selection_data,
2050                                                selection_data->target, 8,
2051                                                source, strlen(source));
2052                         break;
2053                 } else
2054                         return;
2055         }
2056 }
2057
2058 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2059 {
2060         FolderUpdateData *hookdata;
2061         FolderView *folderview;
2062         GtkWidget *ctree;
2063
2064         hookdata = source;
2065         folderview = (FolderView *) userdata;
2066         g_return_val_if_fail(hookdata != NULL, FALSE);
2067         g_return_val_if_fail(folderview != NULL, FALSE);
2068
2069         ctree = folderview->ctree;
2070         g_return_val_if_fail(ctree != NULL, FALSE);
2071
2072         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2073                 folderview_create_folder_node(folderview, hookdata->item);
2074         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2075                 GtkCTreeNode *node;
2076
2077                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2078                 if (node != NULL)
2079                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2080         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2081                 folderview_set(folderview);
2082
2083         return FALSE;
2084 }
2085
2086 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2087                                           GdkDragContext *context,
2088                                           gint            x,
2089                                           gint            y,
2090                                           guint           time,
2091                                           FolderView     *folderview)
2092 {
2093         gint row, column;
2094         FolderItem *item = NULL, *src_item = NULL;
2095         GtkCTreeNode *node = NULL;
2096         gboolean acceptable = FALSE;
2097         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2098                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2099         int height = (int)pos->page_size;
2100         int total_height = (int)pos->upper;
2101         int vpos = (int) pos->value;
2102
2103         if (gtk_clist_get_selection_info
2104                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2105                 GtkWidget *srcwidget;
2106
2107                 if (y > height - 24 && height + vpos < total_height)
2108                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2109
2110                 if (y < 48 && y > 0)
2111                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2112
2113                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2114                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2115                 src_item = folderview->summaryview->folder_item;
2116
2117                 srcwidget = gtk_drag_get_source_widget(context);
2118                 if (srcwidget == folderview->summaryview->ctree) {
2119                         /* comes from summaryview */
2120                         /* we are copying messages, so only accept folder items that are not
2121                            the source item, are no root items and can copy messages */
2122                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2123                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2124                                 acceptable = TRUE;
2125                 } else if (srcwidget == folderview->ctree) {
2126                         /* comes from folderview */
2127                         /* we are moving folder items, only accept folders that are not
2128                            the source items and can copy messages and create folder items */
2129                         if (item && item->folder && src_item && src_item != item &&
2130                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2131                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2132                                 acceptable = TRUE;
2133                 }
2134         }
2135
2136         if (acceptable || (src_item && src_item == item))
2137                 drag_state_start(folderview, node, item);
2138
2139         if (acceptable) {
2140                 g_signal_handlers_block_by_func
2141                         (G_OBJECT(widget),
2142                          G_CALLBACK(folderview_selected), folderview);
2143                 gtk_ctree_select(GTK_CTREE(widget), node);
2144                 g_signal_handlers_unblock_by_func
2145                         (G_OBJECT(widget),
2146                          G_CALLBACK(folderview_selected), folderview);
2147                 gdk_drag_status(context,
2148                                         (context->actions == GDK_ACTION_COPY ?
2149                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2150         } else {
2151                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2152                 gdk_drag_status(context, 0, time);
2153         }
2154
2155         return acceptable;
2156 }
2157
2158 static void folderview_drag_leave_cb(GtkWidget      *widget,
2159                                      GdkDragContext *context,
2160                                      guint           time,
2161                                      FolderView     *folderview)
2162 {
2163         drag_state_stop(folderview);
2164         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2165 }
2166
2167 static void folderview_drag_received_cb(GtkWidget        *widget,
2168                                         GdkDragContext   *drag_context,
2169                                         gint              x,
2170                                         gint              y,
2171                                         GtkSelectionData *data,
2172                                         guint             info,
2173                                         guint             time,
2174                                         FolderView       *folderview)
2175 {
2176         gint row, column;
2177         FolderItem *item, *src_item;
2178         GtkCTreeNode *node;
2179
2180         drag_state_stop(folderview);
2181         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2182                 /* comes from summaryview */
2183                 if (gtk_clist_get_selection_info
2184                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2185                         return;
2186
2187                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2188                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2189                 src_item = folderview->summaryview->folder_item;
2190
2191                 /* re-check (due to acceptable possibly set for folder moves */
2192                 if (!(item && item->folder && item->path &&
2193                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2194                         return;
2195                 }
2196                 if (item && src_item) {
2197                         switch (drag_context->action) {
2198                         case GDK_ACTION_COPY:
2199                                 summary_copy_selected_to(folderview->summaryview, item);
2200                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2201                                 break;
2202                         case GDK_ACTION_MOVE:
2203                         case GDK_ACTION_DEFAULT:
2204                         default:
2205                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2206                                         summary_copy_selected_to(folderview->summaryview, item);
2207                                 else
2208                                         summary_move_selected_to(folderview->summaryview, item);
2209                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2210                         }
2211                 } else
2212                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2213         } else {
2214                 /* comes from folderview */
2215                 char *source;
2216
2217                 source = data->data + 17;
2218                 if (gtk_clist_get_selection_info
2219                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2220                     || *source == 0) {
2221                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2222                         return;
2223                 }
2224                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2225                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2226                 src_item = folder_find_item_from_identifier(source);
2227
2228                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2229                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2230                         return;
2231                 }
2232
2233                 folderview_move_folder(folderview, src_item, item);
2234                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2235         }
2236         folderview->nodes_to_recollapse = NULL;
2237 }
2238
2239 static void folderview_drag_end_cb(GtkWidget        *widget,
2240                                    GdkDragContext   *drag_context,
2241                                    FolderView       *folderview)
2242 {
2243         drag_state_stop(folderview);
2244         g_slist_free(folderview->nodes_to_recollapse);
2245         folderview->nodes_to_recollapse = NULL;
2246 }
2247
2248 void folderview_register_popup(FolderViewPopup *fpopup)
2249 {
2250         GList *folderviews;
2251
2252         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2253                 FolderView *folderview = folderviews->data;
2254                 GtkItemFactory *factory;
2255
2256                 factory = create_ifactory(folderview, fpopup);
2257                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2258         }
2259         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2260 }
2261
2262 void folderview_unregister_popup(FolderViewPopup *fpopup)
2263 {
2264         GList *folderviews;
2265
2266         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2267                 FolderView *folderview = folderviews->data;
2268
2269                 g_hash_table_remove(folderview->popups, fpopup->klass);
2270         }
2271         g_hash_table_remove(folderview_popups, fpopup->klass);
2272 }