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