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 *readxpm;
 131 static GdkBitmap *readxpmmask;
 132 static GdkPixmap *draftsxpm;
 133 static GdkBitmap *draftsxpmmask;
 134 static GdkPixmap *draftsopenxpm;
 135 static GdkBitmap *draftsopenxpmmask;
 136
 137 static void folderview_select_node       (FolderView    *folderview,
 138                                           GtkCTreeNode  *node);
 139 static void folderview_set_folders       (FolderView    *folderview);
 140 static void folderview_sort_folders      (FolderView    *folderview,
 141                                           GtkCTreeNode  *root,
 142                                           Folder        *folder);
 143 static void folderview_append_folder     (FolderView    *folderview,
 144                                           Folder        *folder);
 145 static void folderview_update_node       (FolderView    *folderview,
 146                                           GtkCTreeNode  *node);
 147
 148 static gint folderview_clist_compare    (GtkCList       *clist,
 149                                          gconstpointer   ptr1,
 150                                          gconstpointer   ptr2);
 151
 152 /* callback functions */
 153 static void folderview_button_pressed   (GtkWidget      *ctree,
 154                                          GdkEventButton *event,
 155                                          FolderView     *folderview);
 156 static void folderview_button_released  (GtkWidget      *ctree,
 157                                          GdkEventButton *event,
 158                                          FolderView     *folderview);
 159 static void folderview_key_pressed      (GtkWidget      *widget,
 160                                          GdkEventKey    *event,
 161                                          FolderView     *folderview);
 162 static void folderview_selected         (GtkCTree       *ctree,
 163                                          GtkCTreeNode   *row,
 164                                          gint            column,
 165                                          FolderView     *folderview);
 166 static void folderview_tree_expanded    (GtkCTree       *ctree,
 167                                          GtkCTreeNode   *node,
 168                                          FolderView     *folderview);
 169 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 170                                          GtkCTreeNode   *node,
 171                                          FolderView     *folderview);
 172 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 173                                          FolderView     *folderview);
 174 static void folderview_col_resized      (GtkCList       *clist,
 175                                          gint            column,
 176                                          gint            width,
 177                                          FolderView     *folderview);
 178
 179 static void mark_all_read_cb            (FolderView    *folderview,
 180                                          guint           action,
 181                                          GtkWidget      *widget);
 182
 183 static void folderview_empty_trash_cb   (FolderView     *folderview,
 184                                          guint           action,
 185                                          GtkWidget      *widget);
 186
 187 static void folderview_search_cb        (FolderView     *folderview,
 188                                          guint           action,
 189                                          GtkWidget      *widget);
 190
 191 static void folderview_property_cb      (FolderView     *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194
 195 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 196                                           GdkDragContext *context,
 197                                           gint            x,
 198                                           gint            y,
 199                                           guint           time,
 200                                           FolderView     *folderview);
 201 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 202                                           GdkDragContext   *context,
 203                                           guint             time,
 204                                           FolderView       *folderview);
 205 static void folderview_drag_received_cb  (GtkWidget        *widget,
 206                                           GdkDragContext   *drag_context,
 207                                           gint              x,
 208                                           gint              y,
 209                                           GtkSelectionData *data,
 210                                           guint             info,
 211                                           guint             time,
 212                                           FolderView       *folderview);
 213 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 214                                           FolderView       *folderview);
 215 static void folderview_drag_data_get     (GtkWidget        *widget,
 216                                           GdkDragContext   *drag_context,
 217                                           GtkSelectionData *selection_data,
 218                                           guint             info,
 219                                           guint             time,
 220                                           FolderView       *folderview);
 221 static void folderview_drag_end_cb       (GtkWidget        *widget,
 222                                           GdkDragContext   *drag_context,
 223                                           FolderView       *folderview);
 224
 225 void folderview_create_folder_node       (FolderView       *folderview,
 226                                           FolderItem       *item);
 227 gboolean folderview_update_folder        (gpointer          source,
 228                                           gpointer          userdata);
 229 gboolean folderview_update_item_claws    (gpointer          source,
 230                                           gpointer          data);
 231 static void folderview_processing_cb(FolderView *folderview, guint action,
 232                                      GtkWidget *widget);
 233
 234 GHashTable *folderview_popups;
 235
 236 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 237 {
 238         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 239         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 240         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 241         {N_("/Pr_ocessing..."),         NULL, folderview_processing_cb, 0, NULL},
 242 };
 243
 244 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 245         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 246         {N_("/Empty trash..."),         NULL, folderview_empty_trash_cb, 0, NULL},
 247 };
 248
 249
 250 GtkTargetEntry folderview_drag_types[] =
 251 {
 252         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 253 };
 254
 255 void folderview_initialize(void)
 256 {
 257         FolderViewPopup *fpopup;
 258         guint i, n_entries;
 259         GSList *entries = NULL;
 260
 261         fpopup = g_new0(FolderViewPopup, 1);
 262
 263         n_entries = sizeof(folderview_common_popup_entries) /
 264                 sizeof(folderview_common_popup_entries[0]);
 265         for (i = 0; i < n_entries; i++)
 266                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 267
 268         fpopup->klass = "common";
 269         fpopup->path = "<CommonFolder>";
 270         fpopup->entries = entries;
 271         fpopup->set_sensitivity = NULL;
 272
 273         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 274         g_hash_table_insert(folderview_popups, "common", fpopup);
 275 }
 276
 277 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 278 {
 279         GSList *entries;
 280         GtkItemFactory *factory;
 281         FolderViewPopup *fpopup_common;
 282         GtkWidget *popup;
 283
 284         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 285         gtk_item_factory_set_translate_func(factory, menu_translate,
 286                                             NULL, NULL);
 287
 288         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 289                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 290
 291         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 292         if (fpopup_common != fpopup)
 293                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 294                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 295
 296         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 297         gtk_signal_connect(GTK_OBJECT(popup), "selection_done",
 298                            GTK_SIGNAL_FUNC(folderview_popup_close),
 299                            folderview);
 300
 301         return factory;
 302 }
 303
 304 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 305 {
 306         FolderView *folderview = data;
 307         FolderViewPopup *fpopup = value;
 308         GtkItemFactory *factory;
 309
 310         factory = create_ifactory(folderview, fpopup);
 311         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 312 }
 313
 314 FolderView *folderview_create(void)
 315 {
 316         FolderView *folderview;
 317         GtkWidget *scrolledwin;
 318         GtkWidget *ctree;
 319         gchar *titles[N_FOLDER_COLS];
 320         gint i;
 321
 322         debug_print("Creating folder view...\n");
 323         folderview = g_new0(FolderView, 1);
 324
 325         titles[COL_FOLDER] = _("Folder");
 326         titles[COL_NEW]    = _("New");
 327         titles[COL_UNREAD] = _("Unread");
 328         titles[COL_TOTAL]  = _("#");
 329
 330         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 331         gtk_scrolled_window_set_policy
 332                 (GTK_SCROLLED_WINDOW(scrolledwin),
 333                  GTK_POLICY_AUTOMATIC,
 334                  prefs_common.folderview_vscrollbar_policy);
 335         gtk_widget_set_usize(scrolledwin,
 336                              prefs_common.folderview_width,
 337                              prefs_common.folderview_height);
 338
 339         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 340
 341         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 342         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 343         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 344                                            GTK_JUSTIFY_RIGHT);
 345         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 346                                            GTK_JUSTIFY_RIGHT);
 347         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 348                                            GTK_JUSTIFY_RIGHT);
 349         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 350                                    prefs_common.folder_col_folder);
 351         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 352                                    prefs_common.folder_col_new);
 353         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 354                                    prefs_common.folder_col_unread);
 355         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 356                                    prefs_common.folder_col_total);
 357         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 358         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 359                                      GTK_CTREE_EXPANDER_SQUARE);
 360         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 361         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 362
 363         /* create popup factories */
 364         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 365         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 366
 367         /* don't let title buttons take key focus */
 368         for (i = 0; i < N_FOLDER_COLS; i++)
 369                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 370                                        GTK_CAN_FOCUS);
 371
 372         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 373                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 374                            folderview);
 375         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 376                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 377                            folderview);
 378         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 379                            GTK_SIGNAL_FUNC(folderview_button_released),
 380                            folderview);
 381         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 382                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 383         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 384                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 385         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 386                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 387                            folderview);
 388
 389         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 390                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 391                                  folderview);
 392         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 393                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 394                                  folderview);
 395
 396         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 397                            GTK_SIGNAL_FUNC(folderview_col_resized),
 398                            folderview);
 399
 400         /* drop callback */
 401         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 402                           summary_drag_types, 1,
 403                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 404         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 405                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 406                            folderview);
 407         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 408                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 409                            folderview);
 410         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 411                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 412                            folderview);
 413         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 414                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 415                            folderview);
 416
 417         folderview->scrolledwin  = scrolledwin;
 418         folderview->ctree        = ctree;
 419
 420         folderview->folder_update_callback_id =
 421                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 422         folderview->folder_item_update_callback_id =
 423                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 424
 425         gtk_widget_show_all(scrolledwin);
 426
 427         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 428         folderview_list = g_list_append(folderview_list, folderview);
 429
 430         return folderview;
 431 }
 432
 433 void folderview_init(FolderView *folderview)
 434 {
 435         static GdkFont *boldfont = NULL;
 436         static GdkFont *normalfont = NULL;
 437         GtkWidget *ctree = folderview->ctree;
 438         GtkWidget *label_new;
 439         GtkWidget *label_unread;
 440         GtkWidget *label_total;
 441         GtkWidget *hbox_new;
 442         GtkWidget *hbox_unread;
 443         GtkWidget *hbox_total;
 444
 445         gtk_widget_realize(ctree);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 468
 469         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 470          * instead text (text overflows making them unreadable and ugly) */
 471         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 472                          &newxpm, &newxpmmask);
 473         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 474                          &unreadxpm, &unreadxpmmask);
 475         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 476                          &readxpm, &readxpmmask);
 477
 478         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 479         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 480         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 481
 482         hbox_new = gtk_hbox_new(FALSE, 4);
 483         hbox_unread = gtk_hbox_new(FALSE, 4);
 484         hbox_total = gtk_hbox_new(FALSE, 4);
 485
 486         /* left justified */
 487         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 488         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 489         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 490         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 491         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 492         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 493
 494         gtk_widget_show_all(hbox_new);
 495         gtk_widget_show_all(hbox_unread);
 496         gtk_widget_show_all(hbox_total);
 497
 498         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 501
 502         if (!normal_style) {
 503                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 504                 if (!normalfont)
 505                         normalfont = gtkut_font_load(prefs_common.normalfont);
 506                 if (normalfont)
 507                         normal_style->font = normalfont;
 508                 normal_color_style = gtk_style_copy(normal_style);
 509                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 510
 511                 gtk_widget_set_style(ctree, normal_style);
 512         }
 513
 514         if (!bold_style) {
 515                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 516                 if (!boldfont)
 517                         boldfont = gtkut_font_load(prefs_common.boldfont);
 518                 if (boldfont)
 519                         bold_style->font = boldfont;
 520                 bold_color_style = gtk_style_copy(bold_style);
 521                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 522
 523                 bold_tgtfold_style = gtk_style_copy(bold_style);
 524                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 525         }
 526 }
 527
 528 void folderview_set(FolderView *folderview)
 529 {
 530         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 531         MainWindow *mainwin = folderview->mainwin;
 532
 533         debug_print("Setting folder info...\n");
 534         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 535
 536         main_window_cursor_wait(mainwin);
 537
 538         folderview->selected = NULL;
 539         folderview->opened = NULL;
 540
 541         gtk_clist_freeze(GTK_CLIST(ctree));
 542         gtk_clist_clear(GTK_CLIST(ctree));
 543         gtk_clist_thaw(GTK_CLIST(ctree));
 544         gtk_clist_freeze(GTK_CLIST(ctree));
 545
 546         folderview_set_folders(folderview);
 547
 548         gtk_clist_thaw(GTK_CLIST(ctree));
 549         main_window_cursor_normal(mainwin);
 550         STATUSBAR_POP(mainwin);
 551 }
 552
 553 void folderview_set_all(void)
 554 {
 555         GList *list;
 556
 557         for (list = folderview_list; list != NULL; list = list->next)
 558                 folderview_set((FolderView *)list->data);
 559 }
 560
 561 void folderview_select(FolderView *folderview, FolderItem *item)
 562 {
 563         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 564         GtkCTreeNode *node;
 565         GtkCTreeNode *old_selected = folderview->selected;
 566
 567         if (!item) return;
 568
 569         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 570         if (node) folderview_select_node(folderview, node);
 571
 572         if (old_selected != node)
 573                 folder_update_op_count();
 574 }
 575
 576 static void mark_all_read_cb(FolderView *folderview, guint action,
 577                              GtkWidget *widget)
 578 {
 579         FolderItem *item;
 580
 581         item = folderview_get_selected(folderview);
 582         if (item == NULL)
 583                 return;
 584
 585         folderutils_mark_all_read(item);
 586 }
 587
 588 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 589 {
 590         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 591
 592         g_return_if_fail(node != NULL);
 593
 594         folderview->open_folder = TRUE;
 595         gtkut_ctree_set_focus_row(ctree, node);
 596         gtk_ctree_select(ctree, node);
 597         if (folderview->summaryview->folder_item &&
 598             folderview->summaryview->folder_item->total_msgs > 0)
 599                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 600         else
 601                 gtk_widget_grab_focus(folderview->ctree);
 602
 603         gtkut_ctree_expand_parent_all(ctree, node);
 604 }
 605
 606 void folderview_unselect(FolderView *folderview)
 607 {
 608         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 609                 gtk_ctree_collapse
 610                         (GTK_CTREE(folderview->ctree), folderview->opened);
 611
 612         folderview->selected = folderview->opened = NULL;
 613 }
 614
 615 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 616                                                  GtkCTreeNode *node)
 617 {
 618         FolderItem *item;
 619
 620         if (node)
 621                 node = gtkut_ctree_node_next(ctree, node);
 622         else
 623                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 624
 625         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 626                 item = gtk_ctree_node_get_row_data(ctree, node);
 627                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 628                         return node;
 629         }
 630
 631         return NULL;
 632 }
 633
 634 void folderview_select_next_unread(FolderView *folderview)
 635 {
 636         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 637         GtkCTreeNode *node = NULL;
 638
 639         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 640             != NULL) {
 641                 folderview_select_node(folderview, node);
 642                 return;
 643         }
 644
 645         if (!folderview->opened ||
 646             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 647                 return;
 648         /* search again from the first node */
 649         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 650                 folderview_select_node(folderview, node);
 651 }
 652
 653 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 654 {
 655         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 656         static GtkCTreeNode *prev_row = NULL;
 657         FolderItem *item;
 658         gint new, unread, total;
 659         gchar *new_str, *unread_str, *total_str;
 660
 661         if (!row) return;
 662
 663         item = gtk_ctree_node_get_row_data(ctree, row);
 664         if (!item) return;
 665
 666         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 667         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 668         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 669         new = atoi(new_str);
 670         unread = atoi(unread_str);
 671         total = atoi(total_str);
 672
 673         prev_row = row;
 674
 675         folderview_update_node(folderview, row);
 676 }
 677
 678 void folderview_append_item(FolderItem *item)
 679 {
 680         GList *list;
 681
 682         g_return_if_fail(item != NULL);
 683         g_return_if_fail(item->folder != NULL);
 684         if (folder_item_parent(item)) return;
 685
 686         for (list = folderview_list; list != NULL; list = list->next) {
 687                 FolderView *folderview = (FolderView *)list->data;
 688                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 689                 GtkCTreeNode *node, *child;
 690
 691                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 692                                                   folder_item_parent(item));
 693                 if (node) {
 694                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 695                         if (!child) {
 696                                 gchar *text[N_FOLDER_COLS] =
 697                                         {NULL, "0", "0", "0"};
 698
 699                                 gtk_clist_freeze(GTK_CLIST(ctree));
 700
 701                                 text[COL_FOLDER] = item->name;
 702                                 child = gtk_ctree_insert_node
 703                                         (ctree, node, NULL, text,
 704                                          FOLDER_SPACING,
 705                                          folderxpm, folderxpmmask,
 706                                          folderopenxpm, folderopenxpmmask,
 707                                          FALSE, FALSE);
 708                                 gtk_ctree_node_set_row_data(ctree, child, item);
 709                                 gtk_ctree_expand(ctree, node);
 710                                 folderview_update_node(folderview, child);
 711                                 folderview_sort_folders(folderview, node,
 712                                                         item->folder);
 713
 714                                 gtk_clist_thaw(GTK_CLIST(ctree));
 715                         }
 716                 }
 717         }
 718 }
 719
 720 static void folderview_set_folders(FolderView *folderview)
 721 {
 722         GList *list;
 723
 724         list = folder_get_list();
 725
 726         for (; list != NULL; list = list->next)
 727                 folderview_append_folder(folderview, FOLDER(list->data));
 728 }
 729
 730 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 731                                       gpointer data)
 732 {
 733         GList *list;
 734
 735         for (list = folderview_list; list != NULL; list = list->next) {
 736                 FolderView *folderview = (FolderView *)list->data;
 737                 MainWindow *mainwin = folderview->mainwin;
 738                 gchar *str;
 739
 740                 if (item->path)
 741                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 742                                               item->folder->name, G_DIR_SEPARATOR,
 743                                               item->path);
 744                 else
 745                         str = g_strdup_printf(_("Scanning folder %s ..."),
 746                                               item->folder->name);
 747
 748                 STATUSBAR_PUSH(mainwin, str);
 749                 STATUSBAR_POP(mainwin);
 750                 g_free(str);
 751         }
 752 }
 753
 754 static GtkWidget *label_window_create(const gchar *str)
 755 {
 756         GtkWidget *window;
 757         GtkWidget *label;
 758
 759         window = gtk_window_new(GTK_WINDOW_DIALOG);
 760         gtk_widget_set_usize(window, 380, 60);
 761         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 762         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 763         gtk_window_set_title(GTK_WINDOW(window), str);
 764         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 765         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 766         manage_window_set_transient(GTK_WINDOW(window));
 767
 768         label = gtk_label_new(str);
 769         gtk_container_add(GTK_CONTAINER(window), label);
 770         gtk_widget_show(label);
 771
 772         gtk_widget_show_now(window);
 773
 774         return window;
 775 }
 776
 777 void folderview_rescan_tree(Folder *folder)
 778 {
 779         GtkWidget *window;
 780
 781         g_return_if_fail(folder != NULL);
 782
 783         if (!folder->klass->scan_tree) return;
 784
 785         inc_lock();
 786         window = label_window_create(_("Rebuilding folder tree..."));
 787
 788         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 789         folder_scan_tree(folder);
 790         folder_set_ui_func(folder, NULL, NULL);
 791
 792         folderview_set_all();
 793
 794         gtk_widget_destroy(window);
 795         inc_unlock();
 796 }
 797
 798 /** folderview_check_new()
 799  *  Scan and update the folder and return the
 800  *  count the number of new messages since last check.
 801  *  \param folder the folder to check for new messages
 802  *  \return the number of new messages since last check
 803  */
 804 gint folderview_check_new(Folder *folder)
 805 {
 806         GList *list;
 807         FolderItem *item;
 808         FolderView *folderview;
 809         GtkCTree *ctree;
 810         GtkCTreeNode *node;
 811         gint new_msgs = 0;
 812         gint former_new_msgs = 0;
 813         gint former_new = 0;
 814
 815         for (list = folderview_list; list != NULL; list = list->next) {
 816                 folderview = (FolderView *)list->data;
 817                 ctree = GTK_CTREE(folderview->ctree);
 818
 819                 inc_lock();
 820                 main_window_lock(folderview->mainwin);
 821                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 822
 823                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 824                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 825                         item = gtk_ctree_node_get_row_data(ctree, node);
 826                         if (!item || !item->path || !item->folder) continue;
 827                         if (item->no_select) continue;
 828                         if (folder && folder != item->folder) continue;
 829                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 830                         if (!item->prefs->newmailcheck) continue;
 831
 832                         folderview_scan_tree_func(item->folder, item, NULL);
 833                         former_new = item->new_msgs;
 834                         if (folder_item_scan(item) < 0) {
 835                                 if (folder && !FOLDER_IS_LOCAL(folder))
 836                                         break;
 837                         }
 838                         folderview_update_node(folderview, node);
 839                         new_msgs += item->new_msgs;
 840                         former_new_msgs += former_new;
 841                 }
 842
 843                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 844                 main_window_unlock(folderview->mainwin);
 845                 inc_unlock();
 846         }
 847
 848         folder_write_list();
 849         /* Number of new messages since last check is the just the difference
 850          * between former_new_msgs and new_msgs. If new_msgs is less than
 851          * former_new_msgs, that would mean another session accessed the folder
 852          * and the result is not well defined.
 853          */
 854         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 855         return new_msgs;
 856 }
 857
 858 void folderview_check_new_all(void)
 859 {
 860         GList *list;
 861         GtkWidget *window;
 862         FolderView *folderview;
 863
 864         folderview = (FolderView *)folderview_list->data;
 865
 866         inc_lock();
 867         main_window_lock(folderview->mainwin);
 868         window = label_window_create
 869                 (_("Checking for new messages in all folders..."));
 870
 871         list = folder_get_list();
 872         for (; list != NULL; list = list->next) {
 873                 Folder *folder = list->data;
 874
 875                 folderview_check_new(folder);
 876         }
 877
 878         folder_write_list();
 879         folderview_set_all();
 880
 881         gtk_widget_destroy(window);
 882         main_window_unlock(folderview->mainwin);
 883         inc_unlock();
 884 }
 885
 886 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 887                                                 GtkCTreeNode *node)
 888 {
 889         FolderItem *item;
 890
 891         if (node) {
 892                 item = gtk_ctree_node_get_row_data(ctree, node);
 893                 if (item) {
 894                         if (item->new_msgs > 0 ||
 895                             (item->stype == F_QUEUE && item->total_msgs > 0))
 896                                 return TRUE;
 897                 }
 898                 node = GTK_CTREE_ROW(node)->children;
 899         } else
 900                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 901
 902         while (node) {
 903                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 904                         return TRUE;
 905                 node = GTK_CTREE_ROW(node)->sibling;
 906         }
 907
 908         return FALSE;
 909 }
 910
 911 static gboolean folderview_have_new_children(FolderView *folderview,
 912                                              GtkCTreeNode *node)
 913 {
 914         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 915
 916         if (!node)
 917                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 918         if (!node)
 919                 return FALSE;
 920
 921         node = GTK_CTREE_ROW(node)->children;
 922
 923         while (node) {
 924                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 925                         return TRUE;
 926                 node = GTK_CTREE_ROW(node)->sibling;
 927         }
 928
 929         return FALSE;
 930 }
 931
 932 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 933                                                    GtkCTreeNode *node)
 934 {
 935         FolderItem *item;
 936
 937         if (node) {
 938                 item = gtk_ctree_node_get_row_data(ctree, node);
 939                 if (item) {
 940                         if (item->unread_msgs > 0 ||
 941                             (item->stype == F_QUEUE && item->total_msgs > 0))
 942                                 return TRUE;
 943                 }
 944                 node = GTK_CTREE_ROW(node)->children;
 945         } else
 946                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 947
 948         while (node) {
 949                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 950                         return TRUE;
 951                 node = GTK_CTREE_ROW(node)->sibling;
 952         }
 953
 954         return FALSE;
 955 }
 956
 957 static gboolean folderview_have_unread_children(FolderView *folderview,
 958                                                 GtkCTreeNode *node)
 959 {
 960         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 961
 962         if (!node)
 963                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 964         if (!node)
 965                 return FALSE;
 966
 967         node = GTK_CTREE_ROW(node)->children;
 968
 969         while (node) {
 970                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 971                         return TRUE;
 972                 node = GTK_CTREE_ROW(node)->sibling;
 973         }
 974
 975         return FALSE;
 976 }
 977
 978 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 979 {
 980         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 981         GtkStyle *style = NULL;
 982         GtkStyle *color_style = NULL;
 983         FolderItem *item;
 984         GdkPixmap *xpm, *openxpm;
 985         GdkBitmap *mask, *openmask;
 986         gchar *name;
 987         gchar *str;
 988         gboolean add_unread_mark;
 989         gboolean use_bold, use_color;
 990
 991         item = gtk_ctree_node_get_row_data(ctree, node);
 992         g_return_if_fail(item != NULL);
 993
 994         switch (item->stype) {
 995         case F_INBOX:
 996                 if (item->hide_read_msgs) {
 997                         xpm = inboxhrmxpm;
 998                         mask = inboxhrmxpmmask;
 999                         openxpm = inboxopenhrmxpm;
1000                         openmask = inboxopenhrmxpmmask;
1001                 } else {
1002                         xpm = inboxxpm;
1003                         mask = inboxxpmmask;
1004                         openxpm = inboxopenxpm;
1005                         openmask = inboxopenxpmmask;
1006                 }
1007                 break;
1008         case F_OUTBOX:
1009                 if (item->hide_read_msgs) {
1010                         xpm = outboxhrmxpm;
1011                         mask = outboxhrmxpmmask;
1012                         openxpm = outboxopenhrmxpm;
1013                         openmask = outboxopenhrmxpmmask;
1014                 } else {
1015                         xpm = outboxxpm;
1016                         mask = outboxxpmmask;
1017                         openxpm = outboxopenxpm;
1018                         openmask = outboxopenxpmmask;
1019                 }
1020                 break;
1021         case F_QUEUE:
1022                 if (item->hide_read_msgs) {
1023                         xpm = queuehrmxpm;
1024                         mask = queuehrmxpmmask;
1025                         openxpm = queueopenhrmxpm;
1026                         openmask = queueopenhrmxpmmask;
1027                 } else {
1028                         xpm = queuexpm;
1029                         mask = queuexpmmask;
1030                         openxpm = queueopenxpm;
1031                         openmask = queueopenxpmmask;
1032                 }
1033                 break;
1034         case F_TRASH:
1035                 if (item->hide_read_msgs) {
1036                         xpm = trashhrmxpm;
1037                         mask = trashhrmxpmmask;
1038                         openxpm = trashopenhrmxpm;
1039                         openmask = trashopenhrmxpmmask;
1040                 } else {
1041                         xpm = trashxpm;
1042                         mask = trashxpmmask;
1043                         openxpm = trashopenxpm;
1044                         openmask = trashopenxpmmask;
1045                 }
1046                 break;
1047         case F_DRAFT:
1048                 xpm = draftsxpm;
1049                 mask = draftsxpmmask;
1050                 openxpm = draftsopenxpm;
1051                 openmask = draftsopenxpmmask;
1052                 break;
1053         default:
1054                 if (item->hide_read_msgs) {
1055                         xpm = folderhrmxpm;
1056                         mask = folderhrmxpmmask;
1057                         openxpm = folderopenhrmxpm;
1058                         openmask = folderopenhrmxpmmask;
1059                 } else {
1060                         xpm = folderxpm;
1061                         mask = folderxpmmask;
1062                         openxpm = folderopenxpm;
1063                         openmask = folderopenxpmmask;
1064                 }
1065         }
1066         name = folder_item_get_name(item);
1067
1068         if (!GTK_CTREE_ROW(node)->expanded &&
1069             folderview_have_unread_children(folderview, node))
1070                 add_unread_mark = TRUE;
1071         else
1072                 add_unread_mark = FALSE;
1073
1074         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1075             prefs_common.display_folder_unread) {
1076                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1077                                       add_unread_mark ? "+" : "");
1078                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1079                                         xpm, mask, openxpm, openmask,
1080                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1081                 g_free(str);
1082         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1083                  prefs_common.display_folder_unread) {
1084
1085                 if (item->unread_msgs > 0)
1086                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1087                                               add_unread_mark ? "+" : "",
1088                                               item->unreadmarked_msgs > 0 ? "!":"");
1089                 else
1090                         str = g_strdup_printf("%s (+)", name);
1091                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1092                                         xpm, mask, openxpm, openmask,
1093                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1094                 g_free(str);
1095         } else {
1096                 str = g_strdup_printf("%s%s", name,
1097                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1098
1099                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1100                                         xpm, mask, openxpm, openmask,
1101                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1102                 g_free(str);
1103         }
1104         g_free(name);
1105
1106         if (!folder_item_parent(item)) {
1107                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1108                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1109                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1110         } else {
1111                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1112                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1113                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1114         }
1115
1116         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1117             item->stype == F_TRASH) {
1118                 use_bold = use_color = FALSE;
1119         } else if (item->stype == F_QUEUE) {
1120                 /* highlight queue folder if there are any messages */
1121                 use_bold = use_color = (item->total_msgs > 0);
1122         } else {
1123                 /* if unread messages exist, print with bold font */
1124                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1125                 /* if new messages exist, print with colored letter */
1126                 use_color =
1127                         (item->new_msgs > 0) ||
1128                         (add_unread_mark &&
1129                          folderview_have_new_children(folderview, node));
1130         }
1131
1132         gtk_ctree_node_set_foreground(ctree, node, NULL);
1133
1134         if (use_bold) {
1135                 if (item->prefs->color > 0 && !use_color) {
1136                         GdkColor gdk_color;
1137
1138                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1139                         color_style = gtk_style_copy(bold_style);
1140                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1141                         style = color_style;
1142                 } else if (use_color)
1143                         style = bold_color_style;
1144                 else
1145                         style = bold_style;
1146                 if (item->op_count > 0) {
1147                         style = bold_tgtfold_style;
1148                 }
1149         } else if (use_color) {
1150                 style = normal_color_style;
1151                 gtk_ctree_node_set_foreground(ctree, node,
1152                                               &folderview->color_new);
1153         } else if (item->op_count > 0) {
1154                 style = bold_tgtfold_style;
1155         } else if (item->prefs->color > 0) {
1156                 GdkColor gdk_color;
1157
1158                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1159                 color_style = gtk_style_copy(normal_style);
1160                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1161                 style = color_style;
1162         } else {
1163                 style = normal_style;
1164         }
1165
1166         gtk_ctree_node_set_row_style(ctree, node, style);
1167
1168         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1169                 folderview_update_node(folderview, node);
1170 }
1171
1172 #if !CLAWS /* keep it here for syncs */
1173 void folderview_update_item(FolderItem *item, gboolean update_summary)
1174 {
1175         GList *list;
1176         FolderView *folderview;
1177         GtkCTree *ctree;
1178         GtkCTreeNode *node;
1179
1180         g_return_if_fail(item != NULL);
1181
1182         for (list = folderview_list; list != NULL; list = list->next) {
1183                 folderview = (FolderView *)list->data;
1184                 ctree = GTK_CTREE(folderview->ctree);
1185
1186                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1187                 if (node) {
1188                         folderview_update_node(folderview, node);
1189                         if (update_summary && folderview->opened == node)
1190                                 summary_show(folderview->summaryview,
1191                                              item, FALSE);
1192                 }
1193         }
1194 }
1195 #endif
1196
1197 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1198 {
1199         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1200         FolderView *folderview = (FolderView *)data;
1201         GtkCTree *ctree;
1202         GtkCTreeNode *node;
1203
1204         g_return_val_if_fail(update_info != NULL, TRUE);
1205         g_return_val_if_fail(update_info->item != NULL, TRUE);
1206         g_return_val_if_fail(folderview != NULL, FALSE);
1207
1208         ctree = GTK_CTREE(folderview->ctree);
1209
1210         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1211         if (node) {
1212                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1213                         folderview_update_node(folderview, node);
1214                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1215                         summary_show(folderview->summaryview, update_info->item);
1216         }
1217
1218         return FALSE;
1219 }
1220
1221 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1222                                                 gpointer data)
1223 {
1224         /* CLAWS: share this joy with other hook functions ... */
1225         folder_item_update((FolderItem *)key,
1226                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1227 }
1228
1229 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1230 {
1231         GList *list;
1232         FolderItemUpdateFlags flags;
1233
1234         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1235                 : 0;
1236         for (list = folderview_list; list != NULL; list = list->next)
1237                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1238                                      GINT_TO_POINTER(flags));
1239 }
1240
1241 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1242                                       GNode *gnode, GtkCTreeNode *cnode,
1243                                       gpointer data)
1244 {
1245         FolderView *folderview = (FolderView *)data;
1246         FolderItem *item = FOLDER_ITEM(gnode->data);
1247
1248         g_return_val_if_fail(item != NULL, FALSE);
1249
1250         gtk_ctree_node_set_row_data(ctree, cnode, item);
1251         folderview_update_node(folderview, cnode);
1252
1253         return TRUE;
1254 }
1255
1256 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1257                                    gpointer data)
1258 {
1259         FolderView *folderview = (FolderView *)data;
1260         FolderItem *item;
1261
1262         if (GTK_CTREE_ROW(node)->children) {
1263                 item = gtk_ctree_node_get_row_data(ctree, node);
1264                 g_return_if_fail(item != NULL);
1265
1266                 if (!item->collapsed)
1267                         gtk_ctree_expand(ctree, node);
1268                 else
1269                         folderview_update_node(folderview, node);
1270         }
1271 }
1272
1273 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1274                                GtkCTreeNode *root, GtkCTreeNode **prev)
1275 {
1276         if (item) {
1277                 GtkCTreeNode *node, *parent, *sibling;
1278
1279                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1280                 if (!node)
1281                         g_warning("%s not found.\n", item->path);
1282                 else {
1283                         parent = GTK_CTREE_ROW(node)->parent;
1284                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1285                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1286                         else
1287                                 sibling = GTK_CTREE_ROW(parent)->children;
1288                         while (sibling) {
1289                                 FolderItem *tmp;
1290
1291                                 tmp = gtk_ctree_node_get_row_data
1292                                         (ctree, sibling);
1293                                 if (tmp->stype != F_NORMAL)
1294                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1295                                 else
1296                                         break;
1297                         }
1298                         if (node != sibling)
1299                                 gtk_ctree_move(ctree, node, parent, sibling);
1300                 }
1301
1302                 *prev = node;
1303         }
1304 }
1305
1306 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1307                                     Folder *folder)
1308 {
1309         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1310         GtkCTreeNode *prev = NULL;
1311
1312         gtk_sctree_sort_recursive(ctree, root);
1313
1314         if (root && GTK_CTREE_ROW(root)->parent) return;
1315
1316         set_special_folder(ctree, folder->inbox, root, &prev);
1317         set_special_folder(ctree, folder->outbox, root, &prev);
1318         set_special_folder(ctree, folder->draft, root, &prev);
1319         set_special_folder(ctree, folder->queue, root, &prev);
1320         set_special_folder(ctree, folder->trash, root, &prev);
1321 }
1322
1323 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1324 {
1325         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1326         GtkCTreeNode *root;
1327
1328         g_return_if_fail(folder != NULL);
1329
1330         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1331                                       folderview_gnode_func, folderview);
1332         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1333                                 folderview);
1334         folderview_sort_folders(folderview, root, folder);
1335 }
1336
1337 /* callback functions */
1338
1339 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1340                                       FolderView *folderview)
1341 {
1342         GtkCList *clist = GTK_CLIST(ctree);
1343         gint prev_row = -1, row = -1, column = -1;
1344         FolderItem *item;
1345         Folder *folder;
1346         FolderViewPopup *fpopup;
1347         GtkItemFactory *fpopup_factory;
1348         GtkWidget *popup;
1349
1350         if (!event) return;
1351
1352         if (event->button == 1) {
1353                 folderview->open_folder = TRUE;
1354                 return;
1355         }
1356
1357         if (event->button == 2 || event->button == 3) {
1358                 /* right clicked */
1359                 if (clist->selection) {
1360                         GtkCTreeNode *node;
1361
1362                         node = GTK_CTREE_NODE(clist->selection->data);
1363                         if (node)
1364                                 prev_row = gtkut_ctree_get_nth_from_node
1365                                         (GTK_CTREE(ctree), node);
1366                 }
1367
1368                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1369                                                   &row, &column))
1370                         return;
1371                 if (prev_row != row) {
1372                         gtk_clist_unselect_all(clist);
1373                         if (event->button == 2)
1374                                 folderview_select_node
1375                                         (folderview,
1376                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1377                                                             row));
1378                         else
1379                                 gtk_clist_select_row(clist, row, column);
1380                 }
1381         }
1382
1383         if (event->button != 3) return;
1384
1385         item = gtk_clist_get_row_data(clist, row);
1386         g_return_if_fail(item != NULL);
1387         g_return_if_fail(item->folder != NULL);
1388         folder = item->folder;
1389
1390         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1391         if (fpopup != NULL)
1392                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1393         else {
1394                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1395                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1396         }
1397
1398         if (fpopup->set_sensitivity != NULL)
1399                 fpopup->set_sensitivity(fpopup_factory, item);
1400
1401         if (item == folder->trash &&
1402             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1403                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1404                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1405         } else if (item != folder->trash) {
1406                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1407                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1408         }
1409
1410 #define SET_SENS(name, sens) \
1411         menu_set_sensitive(fpopup_factory, name, sens)
1412
1413         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1414         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1415                  folderview->selected == folderview->opened);
1416         SET_SENS("/Properties...", TRUE);
1417         SET_SENS("/Processing...", item->node->parent != NULL);
1418         if (item == folder->trash)
1419                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1420 #undef SET_SENS
1421
1422         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1423         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1424                        event->button, event->time);
1425 }
1426
1427 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1428                                        FolderView *folderview)
1429 {
1430         if (!event) return;
1431
1432         if (event->button == 1 && folderview->open_folder == FALSE &&
1433             folderview->opened != NULL) {
1434                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1435                                           folderview->opened);
1436                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1437         }
1438 }
1439
1440 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1441                                    FolderView *folderview)
1442 {
1443         if (!event) return;
1444
1445         switch (event->keyval) {
1446         case GDK_Return:
1447                 if (folderview->selected) {
1448                         folderview_select_node(folderview,
1449                                                folderview->selected);
1450                 }
1451                 break;
1452         case GDK_space:
1453                 if (folderview->selected) {
1454                         if (folderview->opened == folderview->selected &&
1455                             (!folderview->summaryview->folder_item ||
1456                              folderview->summaryview->folder_item->total_msgs == 0))
1457                                 folderview_select_next_unread(folderview);
1458                         else
1459                                 folderview_select_node(folderview,
1460                                                        folderview->selected);
1461                 }
1462                 break;
1463         default:
1464                 break;
1465         }
1466 }
1467
1468 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1469                                 gint column, FolderView *folderview)
1470 {
1471         static gboolean can_select = TRUE;      /* exclusive lock */
1472         gboolean opened;
1473         FolderItem *item;
1474         gchar *buf;
1475
1476         folderview->selected = row;
1477
1478         if (folderview->opened == row) {
1479                 folderview->open_folder = FALSE;
1480                 return;
1481         }
1482
1483         if (!can_select || summary_is_locked(folderview->summaryview)) {
1484                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1485                 gtk_ctree_select(ctree, folderview->opened);
1486                 return;
1487         }
1488
1489         if (!folderview->open_folder) return;
1490
1491         item = gtk_ctree_node_get_row_data(ctree, row);
1492         if (!item) return;
1493
1494         can_select = FALSE;
1495
1496         /* Save cache for old folder */
1497         /* We don't want to lose all caches if sylpheed crashed */
1498         if (folderview->opened) {
1499                 FolderItem *olditem;
1500
1501                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1502                 if (olditem) {
1503                         /* will be null if we just moved the previously opened folder */
1504                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1505                         folder_item_close(olditem);
1506                 }
1507         }
1508
1509         /* CLAWS: set compose button type: news folder items
1510          * always have a news folder as parent */
1511         if (item->folder)
1512                 toolbar_set_compose_button
1513                         (folderview->mainwin->toolbar,
1514                          FOLDER_TYPE(item->folder) == F_NEWS ?
1515                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1516
1517         if (item->path)
1518                 debug_print("Folder %s is selected\n", item->path);
1519
1520         if (!GTK_CTREE_ROW(row)->children)
1521                 gtk_ctree_expand(ctree, row);
1522         if (folderview->opened &&
1523             !GTK_CTREE_ROW(folderview->opened)->children)
1524                 gtk_ctree_collapse(ctree, folderview->opened);
1525
1526         /* ungrab the mouse event */
1527         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1528                 gtk_grab_remove(GTK_WIDGET(ctree));
1529                 if (gdk_pointer_is_grabbed())
1530                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1531         }
1532
1533         /* Open Folder */
1534         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1535                                         item->path : "(null)");
1536         debug_print("%s\n", buf);
1537         STATUSBAR_PUSH(folderview->mainwin, buf);
1538         g_free(buf);
1539
1540         main_window_cursor_wait(folderview->mainwin);
1541
1542         if (folder_item_open(item) != 0) {
1543                 main_window_cursor_normal(folderview->mainwin);
1544                 STATUSBAR_POP(folderview->mainwin);
1545
1546                 alertpanel_error(_("Folder could not be opened."));
1547
1548                 folderview->open_folder = FALSE;
1549                 can_select = TRUE;
1550
1551                 return;
1552         }
1553
1554         main_window_cursor_normal(folderview->mainwin);
1555
1556         /* Show messages */
1557         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1558         opened = summary_show(folderview->summaryview, item);
1559
1560         folder_clean_cache_memory();
1561
1562         if (!opened) {
1563                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1564                 gtk_ctree_select(ctree, folderview->opened);
1565         } else {
1566                 folderview->opened = row;
1567                 if (gtk_ctree_node_is_visible(ctree, row)
1568                     != GTK_VISIBILITY_FULL)
1569                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1570         }
1571
1572         STATUSBAR_POP(folderview->mainwin);
1573
1574         folderview->open_folder = FALSE;
1575         can_select = TRUE;
1576 }
1577
1578 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1579                                      FolderView *folderview)
1580 {
1581         FolderItem *item;
1582
1583         item = gtk_ctree_node_get_row_data(ctree, node);
1584         g_return_if_fail(item != NULL);
1585         item->collapsed = FALSE;
1586         folderview_update_node(folderview, node);
1587 }
1588
1589 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1590                                       FolderView *folderview)
1591 {
1592         FolderItem *item;
1593
1594         item = gtk_ctree_node_get_row_data(ctree, node);
1595         g_return_if_fail(item != NULL);
1596         item->collapsed = TRUE;
1597         folderview_update_node(folderview, node);
1598 }
1599
1600 static void folderview_popup_close(GtkMenuShell *menu_shell,
1601                                    FolderView *folderview)
1602 {
1603         if (!folderview->opened) return;
1604
1605         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1606                                   folderview->opened);
1607         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1608 }
1609
1610 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1611                                    FolderView *folderview)
1612 {
1613         switch (column) {
1614         case COL_FOLDER:
1615                 prefs_common.folder_col_folder = width;
1616                 break;
1617         case COL_NEW:
1618                 prefs_common.folder_col_new = width;
1619                 break;
1620         case COL_UNREAD:
1621                 prefs_common.folder_col_unread = width;
1622                 break;
1623         case COL_TOTAL:
1624                 prefs_common.folder_col_total = width;
1625                 break;
1626         default:
1627                 break;
1628         }
1629 }
1630
1631 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1632 {
1633         GNode *srcnode;
1634
1635         folderview_create_folder_node(folderview, item);
1636
1637         srcnode = item->folder->node;
1638         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1639         srcnode = srcnode->children;
1640         while (srcnode != NULL) {
1641                 if (srcnode && srcnode->data) {
1642                         FolderItem *next_item = (FolderItem*) srcnode->data;
1643                         folderview_create_folder_node_recursive(folderview, next_item);
1644                 }
1645                 srcnode = srcnode->next;
1646         }
1647 }
1648
1649 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1650 {
1651         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1652         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1653         GtkCTreeNode *node, *parent_node;
1654
1655         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1656         if (parent_node == NULL)
1657                 return;
1658
1659         gtk_clist_freeze(GTK_CLIST(ctree));
1660
1661         text[COL_FOLDER] = item->name;
1662         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1663                                      FOLDER_SPACING,
1664                                      folderxpm, folderxpmmask,
1665                                      folderopenxpm, folderopenxpmmask,
1666                                      FALSE, FALSE);
1667         gtk_ctree_expand(ctree, parent_node);
1668         gtk_ctree_node_set_row_data(ctree, node, item);
1669         if (normal_style)
1670                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1671         folderview_sort_folders(folderview, folderview->selected, item->folder);
1672
1673         gtk_clist_thaw(GTK_CLIST(ctree));
1674 }
1675
1676 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1677                                       GtkWidget *widget)
1678 {
1679         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1680         FolderItem *item;
1681         GSList *mlist = NULL;
1682         GSList *cur = NULL;
1683         if (!folderview->selected) return;
1684
1685         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1686         g_return_if_fail(item != NULL);
1687         g_return_if_fail(item->folder != NULL);
1688         if (item != item->folder->trash) return;
1689
1690         if (prefs_common.ask_on_clean) {
1691                 if (alertpanel(_("Empty trash"),
1692                                _("Empty all messages in trash?"),
1693                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1694                         return;
1695         }
1696
1697         mlist = folder_item_get_msg_list(item);
1698
1699         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1700                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1701                 partial_mark_for_delete(msginfo);
1702                 procmsg_msginfo_free(msginfo);
1703         }
1704
1705         folder_item_remove_all_msg(item);
1706 }
1707
1708 static void folderview_search_cb(FolderView *folderview, guint action,
1709                                  GtkWidget *widget)
1710 {
1711         summary_search(folderview->summaryview);
1712 }
1713
1714 static void folderview_property_cb(FolderView *folderview, guint action,
1715                                    GtkWidget *widget)
1716 {
1717         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1718         FolderItem *item;
1719
1720         if (!folderview->selected) return;
1721
1722         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1723         g_return_if_fail(item != NULL);
1724         g_return_if_fail(item->folder != NULL);
1725
1726         if (folder_item_parent(item) == NULL && item->folder->account)
1727                 account_open(item->folder->account);
1728         else {
1729                 prefs_folder_item_open(item);
1730         }
1731 }
1732
1733 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1734 {
1735         GSList *list = NULL;
1736         GSList *done = NULL;
1737         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1738
1739         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1740                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1741                 &&  list->data != node) {
1742                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1743                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1744                 }
1745         }
1746         for (list = done; list != NULL; list = g_slist_next(list)) {
1747                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1748                                                                  list->data);
1749         }
1750         g_slist_free(done);
1751 }
1752
1753 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1754                             FolderItem *to_folder)
1755 {
1756         FolderItem *from_parent = NULL;
1757         FolderItem *new_folder = NULL;
1758         GtkCTreeNode *src_node = NULL;
1759         gchar *buf;
1760         gint status;
1761
1762         g_return_if_fail(folderview != NULL);
1763         g_return_if_fail(from_folder != NULL);
1764         g_return_if_fail(to_folder != NULL);
1765
1766         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1767         from_parent = folder_item_parent(from_folder);
1768         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1769         STATUSBAR_PUSH(folderview->mainwin, buf);
1770         g_free(buf);
1771         summary_clear_all(folderview->summaryview);
1772         folderview->opened = NULL;
1773         folderview->selected = NULL;
1774         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1775         inc_lock();
1776         main_window_cursor_wait(folderview->mainwin);
1777         statusbar_verbosity_set(TRUE);
1778         folder_item_update_freeze();
1779         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1780                 statusbar_verbosity_set(FALSE);
1781                 main_window_cursor_normal(folderview->mainwin);
1782                 STATUSBAR_POP(folderview->mainwin);
1783                 folder_item_update_thaw();
1784                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1785
1786                 folderview_sort_folders(folderview,
1787                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1788                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1789                 folderview_select(folderview, new_folder);
1790         } else {
1791                 statusbar_verbosity_set(FALSE);
1792                 main_window_cursor_normal(folderview->mainwin);
1793                 STATUSBAR_POP(folderview->mainwin);
1794                 folder_item_update_thaw();
1795                 switch (status) {
1796                 case F_MOVE_FAILED_DEST_IS_PARENT:
1797                         alertpanel_error(_("Source and destination are the same."));
1798                         break;
1799                 case F_MOVE_FAILED_DEST_IS_CHILD:
1800                         alertpanel_error(_("Can't move a folder to one of its children."));
1801                         break;
1802                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1803                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1804                         break;
1805                 default:
1806                         alertpanel_error(_("Move failed!"));
1807                         break;
1808                 }
1809         }
1810         inc_unlock();
1811         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1812 }
1813
1814 static gint folderview_clist_compare(GtkCList *clist,
1815                                      gconstpointer ptr1, gconstpointer ptr2)
1816 {
1817         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1818         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1819
1820         if (!item1->name)
1821                 return (item2->name != NULL);
1822         if (!item2->name)
1823                 return -1;
1824
1825         return g_strcasecmp(item1->name, item2->name);
1826 }
1827
1828 static void folderview_processing_cb(FolderView *folderview, guint action,
1829                                      GtkWidget *widget)
1830 {
1831         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1832         FolderItem *item;
1833
1834         if (!folderview->selected) return;
1835
1836         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1837         g_return_if_fail(item != NULL);
1838         g_return_if_fail(item->folder != NULL);
1839
1840         prefs_filtering_open(&item->prefs->processing,
1841                              _("Processing configuration"), NULL, NULL);
1842 }
1843
1844 void folderview_set_target_folder_color(gint color_op)
1845 {
1846         gint firstone = 1;
1847         GList *list;
1848         FolderView *folderview;
1849
1850         for (list = folderview_list; list != NULL; list = list->next) {
1851                 folderview = (FolderView *)list->data;
1852                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1853                 if (firstone) {
1854                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1855                                 folderview->color_op;
1856                         firstone = 0;
1857                 }
1858         }
1859 }
1860
1861 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1862 {
1863         folderview_init(folderview);
1864         folderview_set_all();
1865 }
1866
1867 static void drag_state_stop(FolderView *folderview)
1868 {
1869         if (folderview->drag_timer)
1870                 gtk_timeout_remove(folderview->drag_timer);
1871         folderview->drag_timer = 0;
1872         folderview->drag_node = NULL;
1873 }
1874
1875 static gint folderview_defer_expand(FolderView *folderview)
1876 {
1877         if (folderview->drag_node) {
1878                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1879                 if (folderview->drag_item->collapsed) {
1880                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1881                         folderview->nodes_to_recollapse = g_slist_append
1882                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1883                 }
1884         }
1885         folderview->drag_item  = NULL;
1886         folderview->drag_timer = 0;
1887         return FALSE;
1888 }
1889
1890 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1891 {
1892         /* the idea is that we call drag_state_start() whenever we want expansion to
1893          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
1894          * we need to call drag_state_stop() */
1895         drag_state_stop(folderview);
1896         /* request expansion */
1897         if (0 != (folderview->drag_timer = gtk_timeout_add
1898                         (prefs_common.hover_timeout,
1899                          (GtkFunction)folderview_defer_expand,
1900                          folderview))) {
1901                 folderview->drag_node = node;
1902                 folderview->drag_item = item;
1903         }
1904 }
1905
1906 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
1907                                   FolderView       *folderview)
1908 {
1909         GdkDragContext *context;
1910
1911         g_return_if_fail(folderview != NULL);
1912         if (folderview->selected == NULL) return;
1913         if (folderview->nodes_to_recollapse)
1914                 g_slist_free(folderview->nodes_to_recollapse);
1915         folderview->nodes_to_recollapse = NULL;
1916         context = gtk_drag_begin(widget, folderview->target_list,
1917                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
1918         gtk_drag_set_icon_default(context);
1919 }
1920
1921 static void folderview_drag_data_get(GtkWidget        *widget,
1922                                      GdkDragContext   *drag_context,
1923                                      GtkSelectionData *selection_data,
1924                                      guint             info,
1925                                      guint             time,
1926                                      FolderView       *folderview)
1927 {
1928         FolderItem *item;
1929         GList *cur;
1930         gchar *source = NULL;
1931
1932         for (cur = GTK_CLIST(folderview->ctree)->selection;
1933              cur != NULL; cur = cur->next) {
1934                 item = gtk_ctree_node_get_row_data
1935                         (GTK_CTREE(folderview->ctree),
1936                          GTK_CTREE_NODE(cur->data));
1937                 if (item) {
1938                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
1939                         gtk_selection_data_set(selection_data,
1940                                                selection_data->target, 8,
1941                                                source, strlen(source));
1942                         break;
1943                 } else
1944                         return;
1945         }
1946 }
1947
1948 gboolean folderview_update_folder(gpointer source, gpointer userdata)
1949 {
1950         FolderUpdateData *hookdata;
1951         FolderView *folderview;
1952         GtkWidget *ctree;
1953
1954         hookdata = source;
1955         folderview = (FolderView *) userdata;
1956         g_return_val_if_fail(hookdata != NULL, FALSE);
1957         g_return_val_if_fail(folderview != NULL, FALSE);
1958
1959         ctree = folderview->ctree;
1960         g_return_val_if_fail(ctree != NULL, FALSE);
1961
1962         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
1963                 folderview_create_folder_node(folderview, hookdata->item);
1964         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
1965                 GtkCTreeNode *node;
1966
1967                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
1968                 if (node != NULL)
1969                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
1970         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
1971                 folderview_set(folderview);
1972
1973         return FALSE;
1974 }
1975
1976 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1977                                           GdkDragContext *context,
1978                                           gint            x,
1979                                           gint            y,
1980                                           guint           time,
1981                                           FolderView     *folderview)
1982 {
1983         gint row, column;
1984         FolderItem *item, *src_item = NULL;
1985         GtkCTreeNode *node = NULL;
1986         gboolean acceptable = FALSE;
1987         gint height = folderview->ctree->allocation.height;
1988         gint total_height = folderview->ctree->requisition.height;
1989         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
1990                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1991         gfloat vpos = pos->value;
1992
1993         if (gtk_clist_get_selection_info
1994                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
1995                 GtkWidget *srcwidget;
1996
1997                 if (y > height - 24 && height + vpos < total_height)
1998                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
1999
2000                 if (y < 24 && y > 0)
2001                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2002
2003                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2004                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2005                 src_item = folderview->summaryview->folder_item;
2006
2007                 srcwidget = gtk_drag_get_source_widget(context);
2008                 if (srcwidget == folderview->summaryview->ctree) {
2009                         /* comes from summaryview */
2010                         /* we are copying messages, so only accept folder items that are not
2011                            the source item, are no root items and can copy messages */
2012                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2013                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2014                                 acceptable = TRUE;
2015                 } else if (srcwidget == folderview->ctree) {
2016                         /* comes from folderview */
2017                         /* we are moving folder items, only accept folders that are not
2018                            the source items and can copy messages and create folder items */
2019                         if (item && item->folder && src_item && src_item != item &&
2020                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2021                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2022                                 acceptable = TRUE;
2023                 }
2024         }
2025
2026         if (acceptable || (src_item && src_item == item))
2027                 drag_state_start(folderview, node, item);
2028
2029         if (acceptable) {
2030                 gtk_signal_handler_block_by_func
2031                         (GTK_OBJECT(widget),
2032                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2033                 gtk_ctree_select(GTK_CTREE(widget), node);
2034                 gtk_signal_handler_unblock_by_func
2035                         (GTK_OBJECT(widget),
2036                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2037                 gdk_drag_status(context,
2038                                         (context->actions == GDK_ACTION_COPY ?
2039                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2040         } else {
2041                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2042                 gdk_drag_status(context, 0, time);
2043         }
2044
2045         return acceptable;
2046 }
2047
2048 static void folderview_drag_leave_cb(GtkWidget      *widget,
2049                                      GdkDragContext *context,
2050                                      guint           time,
2051                                      FolderView     *folderview)
2052 {
2053         drag_state_stop(folderview);
2054         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2055 }
2056
2057 static void folderview_drag_received_cb(GtkWidget        *widget,
2058                                         GdkDragContext   *drag_context,
2059                                         gint              x,
2060                                         gint              y,
2061                                         GtkSelectionData *data,
2062                                         guint             info,
2063                                         guint             time,
2064                                         FolderView       *folderview)
2065 {
2066         gint row, column;
2067         FolderItem *item, *src_item;
2068         GtkCTreeNode *node;
2069
2070         drag_state_stop(folderview);
2071         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2072                 /* comes from summaryview */
2073                 if (gtk_clist_get_selection_info
2074                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2075                         return;
2076
2077                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2078                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2079                 src_item = folderview->summaryview->folder_item;
2080
2081                 /* re-check (due to acceptable possibly set for folder moves */
2082                 if (!(item && item->folder && item->path &&
2083                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2084                         return;
2085                 }
2086                 if (item && src_item) {
2087                         switch (drag_context->action) {
2088                         case GDK_ACTION_COPY:
2089                                 summary_copy_selected_to(folderview->summaryview, item);
2090                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2091                                 break;
2092                         case GDK_ACTION_MOVE:
2093                         case GDK_ACTION_DEFAULT:
2094                         default:
2095                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2096                                         summary_copy_selected_to(folderview->summaryview, item);
2097                                 else
2098                                         summary_move_selected_to(folderview->summaryview, item);
2099                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2100                         }
2101                 } else
2102                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2103         } else {
2104                 /* comes from folderview */
2105                 char *source;
2106
2107                 source = data->data + 17;
2108                 if (gtk_clist_get_selection_info
2109                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2110                     || *source == 0) {
2111                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2112                         return;
2113                 }
2114                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2115                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2116                 src_item = folder_find_item_from_identifier(source);
2117
2118                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2119                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2120                         return;
2121                 }
2122
2123                 folderview_move_folder(folderview, src_item, item);
2124                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2125         }
2126         folderview->nodes_to_recollapse = NULL;
2127 }
2128
2129 static void folderview_drag_end_cb(GtkWidget        *widget,
2130                                    GdkDragContext   *drag_context,
2131                                    FolderView       *folderview)
2132 {
2133         drag_state_stop(folderview);
2134         g_slist_free(folderview->nodes_to_recollapse);
2135         folderview->nodes_to_recollapse = NULL;
2136 }
2137
2138 FolderItem *folderview_get_selected(FolderView *folderview)
2139 {
2140         return (FolderItem *) gtk_ctree_node_get_row_data(
2141                 GTK_CTREE(folderview->ctree), folderview->selected);
2142 }
2143
2144 void folderview_register_popup(FolderViewPopup *fpopup)
2145 {
2146         GList *folderviews;
2147
2148         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2149                 FolderView *folderview = folderviews->data;
2150                 GtkItemFactory *factory;
2151
2152                 factory = create_ifactory(folderview, fpopup);
2153                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2154         }
2155         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2156 }
2157
2158 void folderview_unregister_popup(FolderViewPopup *fpopup)
2159 {
2160         GList *folderviews;
2161
2162         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2163                 FolderView *folderview = folderviews->data;
2164
2165                 g_hash_table_remove(folderview->popups, fpopup->klass);
2166         }
2167         g_hash_table_remove(folderview_popups, fpopup->klass);
2168 }