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