src/folderview.c

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