src/folderview.c

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