src/folderview.c

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