src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *readxpm;
 132 static GdkBitmap *readxpmmask;
 133 static GdkPixmap *draftsxpm;
 134 static GdkBitmap *draftsxpmmask;
 135 static GdkPixmap *draftsopenxpm;
 136 static GdkBitmap *draftsopenxpmmask;
 137
 138 static void folderview_select_node       (FolderView    *folderview,
 139                                           GtkCTreeNode  *node);
 140 static void folderview_set_folders       (FolderView    *folderview);
 141 static void folderview_sort_folders      (FolderView    *folderview,
 142                                           GtkCTreeNode  *root,
 143                                           Folder        *folder);
 144 static void folderview_append_folder     (FolderView    *folderview,
 145                                           Folder        *folder);
 146 static void folderview_update_node       (FolderView    *folderview,
 147                                           GtkCTreeNode  *node);
 148
 149 static gint folderview_clist_compare    (GtkCList       *clist,
 150                                          gconstpointer   ptr1,
 151                                          gconstpointer   ptr2);
 152
 153 /* callback functions */
 154 static void folderview_button_pressed   (GtkWidget      *ctree,
 155                                          GdkEventButton *event,
 156                                          FolderView     *folderview);
 157 static void folderview_button_released  (GtkWidget      *ctree,
 158                                          GdkEventButton *event,
 159                                          FolderView     *folderview);
 160 static void folderview_key_pressed      (GtkWidget      *widget,
 161                                          GdkEventKey    *event,
 162                                          FolderView     *folderview);
 163 static void folderview_selected         (GtkCTree       *ctree,
 164                                          GtkCTreeNode   *row,
 165                                          gint            column,
 166                                          FolderView     *folderview);
 167 static void folderview_tree_expanded    (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *node,
 169                                          FolderView     *folderview);
 170 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *node,
 172                                          FolderView     *folderview);
 173 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 174                                          FolderView     *folderview);
 175 static void folderview_col_resized      (GtkCList       *clist,
 176                                          gint            column,
 177                                          gint            width,
 178                                          FolderView     *folderview);
 179
 180 static void mark_all_read_cb            (FolderView    *folderview,
 181                                          guint           action,
 182                                          GtkWidget      *widget);
 183
 184 static void folderview_empty_trash_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void folderview_search_cb        (FolderView     *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191
 192 static void folderview_property_cb      (FolderView     *folderview,
 193                                          guint           action,
 194                                          GtkWidget      *widget);
 195
 196 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 197                                           GdkDragContext *context,
 198                                           gint            x,
 199                                           gint            y,
 200                                           guint           time,
 201                                           FolderView     *folderview);
 202 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 203                                           GdkDragContext   *context,
 204                                           guint             time,
 205                                           FolderView       *folderview);
 206 static void folderview_drag_received_cb  (GtkWidget        *widget,
 207                                           GdkDragContext   *drag_context,
 208                                           gint              x,
 209                                           gint              y,
 210                                           GtkSelectionData *data,
 211                                           guint             info,
 212                                           guint             time,
 213                                           FolderView       *folderview);
 214 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 215                                           FolderView       *folderview);
 216 static void folderview_drag_data_get     (GtkWidget        *widget,
 217                                           GdkDragContext   *drag_context,
 218                                           GtkSelectionData *selection_data,
 219                                           guint             info,
 220                                           guint             time,
 221                                           FolderView       *folderview);
 222 static void folderview_drag_end_cb       (GtkWidget        *widget,
 223                                           GdkDragContext   *drag_context,
 224                                           FolderView       *folderview);
 225
 226 void folderview_create_folder_node       (FolderView       *folderview,
 227                                           FolderItem       *item);
 228 gboolean folderview_update_folder        (gpointer          source,
 229                                           gpointer          userdata);
 230 gboolean folderview_update_item_claws    (gpointer          source,
 231                                           gpointer          data);
 232 static void folderview_processing_cb(FolderView *folderview, guint action,
 233                                      GtkWidget *widget);
 234
 235 GHashTable *folderview_popups;
 236
 237 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 238 {
 239         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 240         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 241         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 242         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 243 };
 244
 245 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 246         {N_("/------"),                 NULL, NULL, 0, "<Separator>"},
 247         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 248 };
 249
 250
 251 GtkTargetEntry folderview_drag_types[] =
 252 {
 253         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 254 };
 255
 256 void folderview_initialize(void)
 257 {
 258         FolderViewPopup *fpopup;
 259         guint i, n_entries;
 260         GSList *entries = NULL;
 261
 262         fpopup = g_new0(FolderViewPopup, 1);
 263
 264         n_entries = sizeof(folderview_common_popup_entries) /
 265                 sizeof(folderview_common_popup_entries[0]);
 266         for (i = 0; i < n_entries; i++)
 267                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 268
 269         fpopup->klass = "common";
 270         fpopup->path = "<CommonFolder>";
 271         fpopup->entries = entries;
 272         fpopup->set_sensitivity = NULL;
 273
 274         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 275         g_hash_table_insert(folderview_popups, "common", fpopup);
 276 }
 277
 278 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 279 {
 280         GSList *entries;
 281         GtkItemFactory *factory;
 282         FolderViewPopup *fpopup_common;
 283         GtkWidget *popup;
 284
 285         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 286         gtk_item_factory_set_translate_func(factory, menu_translate,
 287                                             NULL, NULL);
 288
 289         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 290                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 291
 292         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 293         if (fpopup_common != fpopup)
 294                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 295                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 296
 297         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 298         gtk_signal_connect(GTK_OBJECT(popup), "selection_done",
 299                            GTK_SIGNAL_FUNC(folderview_popup_close),
 300                            folderview);
 301
 302         return factory;
 303 }
 304
 305 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 306 {
 307         FolderView *folderview = data;
 308         FolderViewPopup *fpopup = value;
 309         GtkItemFactory *factory;
 310
 311         factory = create_ifactory(folderview, fpopup);
 312         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 313 }
 314
 315 FolderView *folderview_create(void)
 316 {
 317         FolderView *folderview;
 318         GtkWidget *scrolledwin;
 319         GtkWidget *ctree;
 320         gchar *titles[N_FOLDER_COLS];
 321         gint i;
 322
 323         debug_print("Creating folder view...\n");
 324         folderview = g_new0(FolderView, 1);
 325
 326         titles[COL_FOLDER] = _("Folder");
 327         titles[COL_NEW]    = _("New");
 328         titles[COL_UNREAD] = _("Unread");
 329         titles[COL_TOTAL]  = _("#");
 330
 331         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 332         gtk_scrolled_window_set_policy
 333                 (GTK_SCROLLED_WINDOW(scrolledwin),
 334                  GTK_POLICY_AUTOMATIC,
 335                  prefs_common.folderview_vscrollbar_policy);
 336         gtk_widget_set_usize(scrolledwin,
 337                              prefs_common.folderview_width,
 338                              prefs_common.folderview_height);
 339
 340         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 341
 342         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 343         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 344         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 345                                            GTK_JUSTIFY_RIGHT);
 346         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 347                                            GTK_JUSTIFY_RIGHT);
 348         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 349                                            GTK_JUSTIFY_RIGHT);
 350         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 351                                    prefs_common.folder_col_folder);
 352         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 353                                    prefs_common.folder_col_new);
 354         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 355                                    prefs_common.folder_col_unread);
 356         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 357                                    prefs_common.folder_col_total);
 358         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 359         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 360                                      GTK_CTREE_EXPANDER_SQUARE);
 361         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 362         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 363
 364         /* create popup factories */
 365         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 366         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 367
 368         /* don't let title buttons take key focus */
 369         for (i = 0; i < N_FOLDER_COLS; i++)
 370                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 371                                        GTK_CAN_FOCUS);
 372
 373         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 374                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 375                            folderview);
 376         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 377                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 378                            folderview);
 379         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 380                            GTK_SIGNAL_FUNC(folderview_button_released),
 381                            folderview);
 382         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 383                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 384         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 385                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 386         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 387                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 388                            folderview);
 389
 390         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 391                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 392                                  folderview);
 393         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 394                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 395                                  folderview);
 396
 397         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 398                            GTK_SIGNAL_FUNC(folderview_col_resized),
 399                            folderview);
 400
 401         /* drop callback */
 402         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 403                           summary_drag_types, 1,
 404                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 405         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 406                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 407                            folderview);
 408         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 409                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 410                            folderview);
 411         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 412                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 413                            folderview);
 414         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 415                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 416                            folderview);
 417
 418         folderview->scrolledwin  = scrolledwin;
 419         folderview->ctree        = ctree;
 420
 421         folderview->folder_update_callback_id =
 422                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 423         folderview->folder_item_update_callback_id =
 424                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 425
 426         gtk_widget_show_all(scrolledwin);
 427
 428         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 429         folderview_list = g_list_append(folderview_list, folderview);
 430
 431         return folderview;
 432 }
 433
 434 void folderview_init(FolderView *folderview)
 435 {
 436         static GdkFont *boldfont = NULL;
 437         static GdkFont *normalfont = NULL;
 438         GtkWidget *ctree = folderview->ctree;
 439         GtkWidget *label_new;
 440         GtkWidget *label_unread;
 441         GtkWidget *label_total;
 442         GtkWidget *hbox_new;
 443         GtkWidget *hbox_unread;
 444         GtkWidget *hbox_total;
 445
 446         gtk_widget_realize(ctree);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 468         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 469
 470         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 471          * instead text (text overflows making them unreadable and ugly) */
 472         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 473                          &newxpm, &newxpmmask);
 474         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 475                          &unreadxpm, &unreadxpmmask);
 476         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 477                          &readxpm, &readxpmmask);
 478
 479         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 480         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 481         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 482
 483         hbox_new = gtk_hbox_new(FALSE, 4);
 484         hbox_unread = gtk_hbox_new(FALSE, 4);
 485         hbox_total = gtk_hbox_new(FALSE, 4);
 486
 487         /* left justified */
 488         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 489         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 490         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 491         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 492         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 493         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 494
 495         gtk_widget_show_all(hbox_new);
 496         gtk_widget_show_all(hbox_unread);
 497         gtk_widget_show_all(hbox_total);
 498
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 501         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 502
 503         if (!normal_style) {
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 if (!normalfont)
 506                         normalfont = gtkut_font_load(prefs_common.normalfont);
 507                 if (normalfont)
 508                         normal_style->font = normalfont;
 509                 normal_color_style = gtk_style_copy(normal_style);
 510                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 511
 512                 gtk_widget_set_style(ctree, normal_style);
 513         }
 514
 515         if (!bold_style) {
 516                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 517                 if (!boldfont)
 518                         boldfont = gtkut_font_load(prefs_common.boldfont);
 519                 if (boldfont)
 520                         bold_style->font = boldfont;
 521                 bold_color_style = gtk_style_copy(bold_style);
 522                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 523
 524                 bold_tgtfold_style = gtk_style_copy(bold_style);
 525                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 526         }
 527 }
 528
 529 void folderview_set(FolderView *folderview)
 530 {
 531         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 532         MainWindow *mainwin = folderview->mainwin;
 533
 534         debug_print("Setting folder info...\n");
 535         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 536
 537         main_window_cursor_wait(mainwin);
 538
 539         folderview->selected = NULL;
 540         folderview->opened = NULL;
 541
 542         gtk_clist_freeze(GTK_CLIST(ctree));
 543         gtk_clist_clear(GTK_CLIST(ctree));
 544         gtk_clist_thaw(GTK_CLIST(ctree));
 545         gtk_clist_freeze(GTK_CLIST(ctree));
 546
 547         folderview_set_folders(folderview);
 548
 549         gtk_clist_thaw(GTK_CLIST(ctree));
 550         main_window_cursor_normal(mainwin);
 551         STATUSBAR_POP(mainwin);
 552 }
 553
 554 void folderview_set_all(void)
 555 {
 556         GList *list;
 557
 558         for (list = folderview_list; list != NULL; list = list->next)
 559                 folderview_set((FolderView *)list->data);
 560 }
 561
 562 void folderview_select(FolderView *folderview, FolderItem *item)
 563 {
 564         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 565         GtkCTreeNode *node;
 566         GtkCTreeNode *old_selected = folderview->selected;
 567
 568         if (!item) return;
 569
 570         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 571         if (node) folderview_select_node(folderview, node);
 572
 573         if (old_selected != node)
 574                 folder_update_op_count();
 575 }
 576
 577 static void mark_all_read_cb(FolderView *folderview, guint action,
 578                              GtkWidget *widget)
 579 {
 580         FolderItem *item;
 581
 582         item = folderview_get_selected_item(folderview);
 583         if (item == NULL)
 584                 return;
 585
 586         folderutils_mark_all_read(item);
 587 }
 588
 589 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 590 {
 591         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 592
 593         g_return_if_fail(node != NULL);
 594
 595         folderview->open_folder = TRUE;
 596         gtkut_ctree_set_focus_row(ctree, node);
 597         gtk_ctree_select(ctree, node);
 598         if (folderview->summaryview->folder_item &&
 599             folderview->summaryview->folder_item->total_msgs > 0)
 600                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 601         else
 602                 gtk_widget_grab_focus(folderview->ctree);
 603
 604         gtkut_ctree_expand_parent_all(ctree, node);
 605 }
 606
 607 void folderview_unselect(FolderView *folderview)
 608 {
 609         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 610                 gtk_ctree_collapse
 611                         (GTK_CTREE(folderview->ctree), folderview->opened);
 612
 613         folderview->selected = folderview->opened = NULL;
 614 }
 615
 616 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 617                                                  GtkCTreeNode *node)
 618 {
 619         FolderItem *item;
 620
 621         if (node)
 622                 node = gtkut_ctree_node_next(ctree, node);
 623         else
 624                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 625
 626         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 627                 item = gtk_ctree_node_get_row_data(ctree, node);
 628                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 629                         return node;
 630         }
 631
 632         return NULL;
 633 }
 634
 635 void folderview_select_next_unread(FolderView *folderview)
 636 {
 637         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 638         GtkCTreeNode *node = NULL;
 639
 640         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 641             != NULL) {
 642                 folderview_select_node(folderview, node);
 643                 return;
 644         }
 645
 646         if (!folderview->opened ||
 647             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 648                 return;
 649         /* search again from the first node */
 650         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 651                 folderview_select_node(folderview, node);
 652 }
 653
 654 FolderItem *folderview_get_selected_item(FolderView *folderview)
 655 {
 656         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 657
 658         if (!folderview->selected) return NULL;
 659         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 660 }
 661
 662 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 663 {
 664         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 665         static GtkCTreeNode *prev_row = NULL;
 666         FolderItem *item;
 667         gint new, unread, total;
 668         gchar *new_str, *unread_str, *total_str;
 669
 670         if (!row) return;
 671
 672         item = gtk_ctree_node_get_row_data(ctree, row);
 673         if (!item) return;
 674
 675         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 676         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 677         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 678         new = atoi(new_str);
 679         unread = atoi(unread_str);
 680         total = atoi(total_str);
 681
 682         prev_row = row;
 683
 684         folderview_update_node(folderview, row);
 685 }
 686
 687 void folderview_append_item(FolderItem *item)
 688 {
 689         GList *list;
 690
 691         g_return_if_fail(item != NULL);
 692         g_return_if_fail(item->folder != NULL);
 693         if (folder_item_parent(item)) return;
 694
 695         for (list = folderview_list; list != NULL; list = list->next) {
 696                 FolderView *folderview = (FolderView *)list->data;
 697                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 698                 GtkCTreeNode *node, *child;
 699
 700                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 701                                                   folder_item_parent(item));
 702                 if (node) {
 703                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 704                         if (!child) {
 705                                 gchar *text[N_FOLDER_COLS] =
 706                                         {NULL, "0", "0", "0"};
 707
 708                                 gtk_clist_freeze(GTK_CLIST(ctree));
 709
 710                                 text[COL_FOLDER] = item->name;
 711                                 child = gtk_ctree_insert_node
 712                                         (ctree, node, NULL, text,
 713                                          FOLDER_SPACING,
 714                                          folderxpm, folderxpmmask,
 715                                          folderopenxpm, folderopenxpmmask,
 716                                          FALSE, FALSE);
 717                                 gtk_ctree_node_set_row_data(ctree, child, item);
 718                                 gtk_ctree_expand(ctree, node);
 719                                 folderview_update_node(folderview, child);
 720                                 folderview_sort_folders(folderview, node,
 721                                                         item->folder);
 722
 723                                 gtk_clist_thaw(GTK_CLIST(ctree));
 724                         }
 725                 }
 726         }
 727 }
 728
 729 static void folderview_set_folders(FolderView *folderview)
 730 {
 731         GList *list;
 732
 733         list = folder_get_list();
 734
 735         for (; list != NULL; list = list->next)
 736                 folderview_append_folder(folderview, FOLDER(list->data));
 737 }
 738
 739 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 740                                       gpointer data)
 741 {
 742         GList *list;
 743
 744         for (list = folderview_list; list != NULL; list = list->next) {
 745                 FolderView *folderview = (FolderView *)list->data;
 746                 MainWindow *mainwin = folderview->mainwin;
 747                 gchar *str;
 748
 749                 if (item->path)
 750                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 751                                               item->folder->name, G_DIR_SEPARATOR,
 752                                               item->path);
 753                 else
 754                         str = g_strdup_printf(_("Scanning folder %s ..."),
 755                                               item->folder->name);
 756
 757                 STATUSBAR_PUSH(mainwin, str);
 758                 STATUSBAR_POP(mainwin);
 759                 g_free(str);
 760         }
 761 }
 762
 763 static GtkWidget *label_window_create(const gchar *str)
 764 {
 765         GtkWidget *window;
 766         GtkWidget *label;
 767
 768         window = gtk_window_new(GTK_WINDOW_DIALOG);
 769         gtk_widget_set_usize(window, 380, 60);
 770         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 771         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 772         gtk_window_set_title(GTK_WINDOW(window), str);
 773         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 774         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 775         manage_window_set_transient(GTK_WINDOW(window));
 776
 777         label = gtk_label_new(str);
 778         gtk_container_add(GTK_CONTAINER(window), label);
 779         gtk_widget_show(label);
 780
 781         gtk_widget_show_now(window);
 782
 783         return window;
 784 }
 785
 786 void folderview_rescan_tree(Folder *folder)
 787 {
 788         GtkWidget *window;
 789
 790         g_return_if_fail(folder != NULL);
 791
 792         if (!folder->klass->scan_tree) return;
 793
 794         inc_lock();
 795         window = label_window_create(_("Rebuilding folder tree..."));
 796
 797         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 798         folder_scan_tree(folder);
 799         folder_set_ui_func(folder, NULL, NULL);
 800
 801         folderview_set_all();
 802
 803         gtk_widget_destroy(window);
 804         inc_unlock();
 805 }
 806
 807 /** folderview_check_new()
 808  *  Scan and update the folder and return the
 809  *  count the number of new messages since last check.
 810  *  \param folder the folder to check for new messages
 811  *  \return the number of new messages since last check
 812  */
 813 gint folderview_check_new(Folder *folder)
 814 {
 815         GList *list;
 816         FolderItem *item;
 817         FolderView *folderview;
 818         GtkCTree *ctree;
 819         GtkCTreeNode *node;
 820         gint new_msgs = 0;
 821         gint former_new_msgs = 0;
 822         gint former_new = 0;
 823
 824         for (list = folderview_list; list != NULL; list = list->next) {
 825                 folderview = (FolderView *)list->data;
 826                 ctree = GTK_CTREE(folderview->ctree);
 827
 828                 inc_lock();
 829                 main_window_lock(folderview->mainwin);
 830                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 831
 832                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 833                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 834                         item = gtk_ctree_node_get_row_data(ctree, node);
 835                         if (!item || !item->path || !item->folder) continue;
 836                         if (item->no_select) continue;
 837                         if (folder && folder != item->folder) continue;
 838                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 839                         if (!item->prefs->newmailcheck) continue;
 840
 841                         folderview_scan_tree_func(item->folder, item, NULL);
 842                         former_new = item->new_msgs;
 843                         if (folder_item_scan(item) < 0) {
 844                                 if (folder && !FOLDER_IS_LOCAL(folder))
 845                                         break;
 846                         }
 847                         folderview_update_node(folderview, node);
 848                         new_msgs += item->new_msgs;
 849                         former_new_msgs += former_new;
 850                 }
 851
 852                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 853                 main_window_unlock(folderview->mainwin);
 854                 inc_unlock();
 855         }
 856
 857         folder_write_list();
 858         /* Number of new messages since last check is the just the difference
 859          * between former_new_msgs and new_msgs. If new_msgs is less than
 860          * former_new_msgs, that would mean another session accessed the folder
 861          * and the result is not well defined.
 862          */
 863         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 864         return new_msgs;
 865 }
 866
 867 void folderview_check_new_all(void)
 868 {
 869         GList *list;
 870         GtkWidget *window;
 871         FolderView *folderview;
 872
 873         folderview = (FolderView *)folderview_list->data;
 874
 875         inc_lock();
 876         main_window_lock(folderview->mainwin);
 877         window = label_window_create
 878                 (_("Checking for new messages in all folders..."));
 879
 880         list = folder_get_list();
 881         for (; list != NULL; list = list->next) {
 882                 Folder *folder = list->data;
 883
 884                 folderview_check_new(folder);
 885         }
 886
 887         folder_write_list();
 888         folderview_set_all();
 889
 890         gtk_widget_destroy(window);
 891         main_window_unlock(folderview->mainwin);
 892         inc_unlock();
 893 }
 894
 895 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 896                                                 GtkCTreeNode *node)
 897 {
 898         FolderItem *item;
 899
 900         if (node) {
 901                 item = gtk_ctree_node_get_row_data(ctree, node);
 902                 if (item) {
 903                         if (item->new_msgs > 0 ||
 904                             (item->stype == F_QUEUE && item->total_msgs > 0))
 905                                 return TRUE;
 906                 }
 907                 node = GTK_CTREE_ROW(node)->children;
 908         } else
 909                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 910
 911         while (node) {
 912                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 913                         return TRUE;
 914                 node = GTK_CTREE_ROW(node)->sibling;
 915         }
 916
 917         return FALSE;
 918 }
 919
 920 static gboolean folderview_have_new_children(FolderView *folderview,
 921                                              GtkCTreeNode *node)
 922 {
 923         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 924
 925         if (!node)
 926                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 927         if (!node)
 928                 return FALSE;
 929
 930         node = GTK_CTREE_ROW(node)->children;
 931
 932         while (node) {
 933                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 934                         return TRUE;
 935                 node = GTK_CTREE_ROW(node)->sibling;
 936         }
 937
 938         return FALSE;
 939 }
 940
 941 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 942                                                    GtkCTreeNode *node)
 943 {
 944         FolderItem *item;
 945
 946         if (node) {
 947                 item = gtk_ctree_node_get_row_data(ctree, node);
 948                 if (item) {
 949                         if (item->unread_msgs > 0 ||
 950                             (item->stype == F_QUEUE && item->total_msgs > 0))
 951                                 return TRUE;
 952                 }
 953                 node = GTK_CTREE_ROW(node)->children;
 954         } else
 955                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 956
 957         while (node) {
 958                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 959                         return TRUE;
 960                 node = GTK_CTREE_ROW(node)->sibling;
 961         }
 962
 963         return FALSE;
 964 }
 965
 966 static gboolean folderview_have_unread_children(FolderView *folderview,
 967                                                 GtkCTreeNode *node)
 968 {
 969         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 970
 971         if (!node)
 972                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 973         if (!node)
 974                 return FALSE;
 975
 976         node = GTK_CTREE_ROW(node)->children;
 977
 978         while (node) {
 979                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 980                         return TRUE;
 981                 node = GTK_CTREE_ROW(node)->sibling;
 982         }
 983
 984         return FALSE;
 985 }
 986
 987 static gboolean folderview_search_matching_recursive(GtkCTree *ctree,
 988                                                    GtkCTreeNode *node)
 989 {
 990         FolderItem *item;
 991
 992         if (node) {
 993                 item = gtk_ctree_node_get_row_data(ctree, node);
 994                 if (item) {
 995                         if (item->search_match)
 996                                 return TRUE;
 997                 }
 998                 node = GTK_CTREE_ROW(node)->children;
 999         } else
1000                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1001
1002         while (node) {
1003                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1004                         return TRUE;
1005                 node = GTK_CTREE_ROW(node)->sibling;
1006         }
1007
1008         return FALSE;
1009 }
1010
1011 static gboolean folderview_have_matching_children(FolderView *folderview,
1012                                                 GtkCTreeNode *node)
1013 {
1014         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1015
1016         if (!node)
1017                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1018         if (!node)
1019                 return FALSE;
1020
1021         node = GTK_CTREE_ROW(node)->children;
1022
1023         while (node) {
1024                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1025                         return TRUE;
1026                 node = GTK_CTREE_ROW(node)->sibling;
1027         }
1028
1029         return FALSE;
1030 }
1031
1032 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1033 {
1034         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1035         GtkStyle *style = NULL;
1036         GtkStyle *color_style = NULL;
1037         FolderItem *item;
1038         GdkPixmap *xpm, *openxpm;
1039         GdkBitmap *mask, *openmask;
1040         static GdkPixmap *searchicon;
1041         static GdkBitmap *searchmask;
1042
1043         gchar *name;
1044         gchar *str;
1045         gboolean add_unread_mark;
1046         gboolean add_sub_match_mark;
1047         gboolean use_bold, use_color;
1048
1049         item = gtk_ctree_node_get_row_data(ctree, node);
1050         g_return_if_fail(item != NULL);
1051
1052         switch (item->stype) {
1053         case F_INBOX:
1054                 if (item->hide_read_msgs) {
1055                         xpm = inboxhrmxpm;
1056                         mask = inboxhrmxpmmask;
1057                         openxpm = inboxopenhrmxpm;
1058                         openmask = inboxopenhrmxpmmask;
1059                 } else {
1060                         xpm = inboxxpm;
1061                         mask = inboxxpmmask;
1062                         openxpm = inboxopenxpm;
1063                         openmask = inboxopenxpmmask;
1064                 }
1065                 break;
1066         case F_OUTBOX:
1067                 if (item->hide_read_msgs) {
1068                         xpm = outboxhrmxpm;
1069                         mask = outboxhrmxpmmask;
1070                         openxpm = outboxopenhrmxpm;
1071                         openmask = outboxopenhrmxpmmask;
1072                 } else {
1073                         xpm = outboxxpm;
1074                         mask = outboxxpmmask;
1075                         openxpm = outboxopenxpm;
1076                         openmask = outboxopenxpmmask;
1077                 }
1078                 break;
1079         case F_QUEUE:
1080                 if (item->hide_read_msgs) {
1081                         xpm = queuehrmxpm;
1082                         mask = queuehrmxpmmask;
1083                         openxpm = queueopenhrmxpm;
1084                         openmask = queueopenhrmxpmmask;
1085                 } else {
1086                         xpm = queuexpm;
1087                         mask = queuexpmmask;
1088                         openxpm = queueopenxpm;
1089                         openmask = queueopenxpmmask;
1090                 }
1091                 break;
1092         case F_TRASH:
1093                 if (item->hide_read_msgs) {
1094                         xpm = trashhrmxpm;
1095                         mask = trashhrmxpmmask;
1096                         openxpm = trashopenhrmxpm;
1097                         openmask = trashopenhrmxpmmask;
1098                 } else {
1099                         xpm = trashxpm;
1100                         mask = trashxpmmask;
1101                         openxpm = trashopenxpm;
1102                         openmask = trashopenxpmmask;
1103                 }
1104                 break;
1105         case F_DRAFT:
1106                 xpm = draftsxpm;
1107                 mask = draftsxpmmask;
1108                 openxpm = draftsopenxpm;
1109                 openmask = draftsopenxpmmask;
1110                 break;
1111         default:
1112                 if (item->hide_read_msgs) {
1113                         xpm = folderhrmxpm;
1114                         mask = folderhrmxpmmask;
1115                         openxpm = folderopenhrmxpm;
1116                         openmask = folderopenhrmxpmmask;
1117                 } else {
1118                         xpm = folderxpm;
1119                         mask = folderxpmmask;
1120                         openxpm = folderopenxpm;
1121                         openmask = folderopenxpmmask;
1122                 }
1123         }
1124         name = folder_item_get_name(item);
1125
1126         if (!GTK_CTREE_ROW(node)->expanded) {
1127                 add_unread_mark = folderview_have_unread_children(
1128                                         folderview, node);
1129                 add_sub_match_mark = folderview_have_matching_children(
1130                                         folderview, node);
1131         } else {
1132                 add_unread_mark = FALSE;
1133                 add_sub_match_mark = FALSE;
1134         }
1135
1136         if (item->search_match) {
1137                 if (!searchicon) {
1138                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1139                          &searchicon, &searchmask);
1140                 }
1141                 xpm = openxpm = searchicon;
1142                 mask = openmask = searchmask;
1143         }
1144
1145         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1146             prefs_common.display_folder_unread) {
1147                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1148                                       add_unread_mark ? "+" : "");
1149                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1150                                         xpm, mask, openxpm, openmask,
1151                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1152                 g_free(str);
1153         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1154                     prefs_common.display_folder_unread)
1155                    || add_sub_match_mark) {
1156
1157                 if (item->unread_msgs > 0)
1158                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1159                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1160                                               item->unreadmarked_msgs > 0 ? "!":"");
1161                 else
1162                         str = g_strdup_printf("%s (+)", name);
1163                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1164                                         xpm, mask, openxpm, openmask,
1165                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1166                 g_free(str);
1167         } else {
1168                 str = g_strdup_printf("%s%s", name,
1169                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1170
1171                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1172                                         xpm, mask, openxpm, openmask,
1173                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1174                 g_free(str);
1175         }
1176         g_free(name);
1177
1178         if (!folder_item_parent(item)) {
1179                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1180                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1181                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1182         } else {
1183                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1184                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1185                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1186         }
1187
1188         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1189             item->stype == F_TRASH) {
1190                 use_bold = use_color = FALSE;
1191         } else if (item->stype == F_QUEUE) {
1192                 /* highlight queue folder if there are any messages */
1193                 use_bold = use_color = (item->total_msgs > 0);
1194         } else {
1195                 /* if unread messages exist, print with bold font */
1196                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1197                 /* if new messages exist, print with colored letter */
1198                 use_color =
1199                         (item->new_msgs > 0) ||
1200                         (add_unread_mark &&
1201                          folderview_have_new_children(folderview, node));
1202         }
1203
1204         gtk_ctree_node_set_foreground(ctree, node, NULL);
1205
1206         if (use_bold) {
1207                 if (item->prefs->color > 0 && !use_color) {
1208                         GdkColor gdk_color;
1209
1210                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1211                         color_style = gtk_style_copy(bold_style);
1212                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1213                         style = color_style;
1214                 } else if (use_color)
1215                         style = bold_color_style;
1216                 else
1217                         style = bold_style;
1218                 if (item->op_count > 0) {
1219                         style = bold_tgtfold_style;
1220                 }
1221         } else if (use_color) {
1222                 style = normal_color_style;
1223                 gtk_ctree_node_set_foreground(ctree, node,
1224                                               &folderview->color_new);
1225         } else if (item->op_count > 0) {
1226                 style = bold_tgtfold_style;
1227         } else if (item->prefs->color > 0) {
1228                 GdkColor gdk_color;
1229
1230                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1231                 color_style = gtk_style_copy(normal_style);
1232                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1233                 style = color_style;
1234         } else {
1235                 style = normal_style;
1236         }
1237
1238         gtk_ctree_node_set_row_style(ctree, node, style);
1239
1240         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1241                 folderview_update_node(folderview, node);
1242 }
1243
1244 #if !CLAWS /* keep it here for syncs */
1245 void folderview_update_item(FolderItem *item, gboolean update_summary)
1246 {
1247         GList *list;
1248         FolderView *folderview;
1249         GtkCTree *ctree;
1250         GtkCTreeNode *node;
1251
1252         g_return_if_fail(item != NULL);
1253
1254         for (list = folderview_list; list != NULL; list = list->next) {
1255                 folderview = (FolderView *)list->data;
1256                 ctree = GTK_CTREE(folderview->ctree);
1257
1258                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1259                 if (node) {
1260                         folderview_update_node(folderview, node);
1261                         if (update_summary && folderview->opened == node)
1262                                 summary_show(folderview->summaryview,
1263                                              item, FALSE);
1264                 }
1265         }
1266 }
1267 #endif
1268
1269 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1270 {
1271         GList *list;
1272         FolderView *folderview;
1273         GtkCTree *ctree;
1274         GtkCTreeNode *node;
1275
1276         g_return_if_fail(item != NULL);
1277
1278         for (list = folderview_list; list != NULL; list = list->next) {
1279                 folderview = (FolderView *)list->data;
1280                 ctree = GTK_CTREE(folderview->ctree);
1281
1282                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1283                 if (node) {
1284                         item->search_match = matches;
1285                         folderview_update_node(folderview, node);
1286                 }
1287         }
1288 }
1289
1290 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1291 {
1292         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1293         FolderView *folderview = (FolderView *)data;
1294         GtkCTree *ctree;
1295         GtkCTreeNode *node;
1296
1297         g_return_val_if_fail(update_info != NULL, TRUE);
1298         g_return_val_if_fail(update_info->item != NULL, TRUE);
1299         g_return_val_if_fail(folderview != NULL, FALSE);
1300
1301         ctree = GTK_CTREE(folderview->ctree);
1302
1303         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1304         if (node) {
1305                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1306                         folderview_update_node(folderview, node);
1307                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1308                         summary_show(folderview->summaryview, update_info->item);
1309         }
1310
1311         return FALSE;
1312 }
1313
1314 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1315                                                 gpointer data)
1316 {
1317         /* CLAWS: share this joy with other hook functions ... */
1318         folder_item_update((FolderItem *)key,
1319                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1320 }
1321
1322 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1323 {
1324         GList *list;
1325         FolderItemUpdateFlags flags;
1326
1327         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1328                 : 0;
1329         for (list = folderview_list; list != NULL; list = list->next)
1330                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1331                                      GINT_TO_POINTER(flags));
1332 }
1333
1334 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1335                                       GNode *gnode, GtkCTreeNode *cnode,
1336                                       gpointer data)
1337 {
1338         FolderView *folderview = (FolderView *)data;
1339         FolderItem *item = FOLDER_ITEM(gnode->data);
1340
1341         g_return_val_if_fail(item != NULL, FALSE);
1342
1343         gtk_ctree_node_set_row_data(ctree, cnode, item);
1344         folderview_update_node(folderview, cnode);
1345
1346         return TRUE;
1347 }
1348
1349 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1350                                    gpointer data)
1351 {
1352         FolderView *folderview = (FolderView *)data;
1353         FolderItem *item;
1354
1355         if (GTK_CTREE_ROW(node)->children) {
1356                 item = gtk_ctree_node_get_row_data(ctree, node);
1357                 g_return_if_fail(item != NULL);
1358
1359                 if (!item->collapsed)
1360                         gtk_ctree_expand(ctree, node);
1361                 else
1362                         folderview_update_node(folderview, node);
1363         }
1364 }
1365
1366 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1367                                GtkCTreeNode *root, GtkCTreeNode **prev)
1368 {
1369         if (item) {
1370                 GtkCTreeNode *node, *parent, *sibling;
1371
1372                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1373                 if (!node)
1374                         g_warning("%s not found.\n", item->path);
1375                 else {
1376                         parent = GTK_CTREE_ROW(node)->parent;
1377                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1378                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1379                         else
1380                                 sibling = GTK_CTREE_ROW(parent)->children;
1381                         while (sibling) {
1382                                 FolderItem *tmp;
1383
1384                                 tmp = gtk_ctree_node_get_row_data
1385                                         (ctree, sibling);
1386                                 if (tmp->stype != F_NORMAL)
1387                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1388                                 else
1389                                         break;
1390                         }
1391                         if (node != sibling)
1392                                 gtk_ctree_move(ctree, node, parent, sibling);
1393                 }
1394
1395                 *prev = node;
1396         }
1397 }
1398
1399 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1400                                     Folder *folder)
1401 {
1402         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1403         GtkCTreeNode *prev = NULL;
1404
1405         gtk_sctree_sort_recursive(ctree, root);
1406
1407         if (root && GTK_CTREE_ROW(root)->parent) return;
1408
1409         set_special_folder(ctree, folder->inbox, root, &prev);
1410         set_special_folder(ctree, folder->outbox, root, &prev);
1411         set_special_folder(ctree, folder->draft, root, &prev);
1412         set_special_folder(ctree, folder->queue, root, &prev);
1413         set_special_folder(ctree, folder->trash, root, &prev);
1414 }
1415
1416 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1417 {
1418         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1419         GtkCTreeNode *root;
1420
1421         g_return_if_fail(folder != NULL);
1422
1423         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1424                                       folderview_gnode_func, folderview);
1425         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1426                                 folderview);
1427         folderview_sort_folders(folderview, root, folder);
1428 }
1429
1430 /* callback functions */
1431
1432 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1433                                       FolderView *folderview)
1434 {
1435         GtkCList *clist = GTK_CLIST(ctree);
1436         gint prev_row = -1, row = -1, column = -1;
1437         FolderItem *item;
1438         Folder *folder;
1439         FolderViewPopup *fpopup;
1440         GtkItemFactory *fpopup_factory;
1441         GtkWidget *popup;
1442
1443         if (!event) return;
1444
1445         if (event->button == 1) {
1446                 folderview->open_folder = TRUE;
1447
1448                 if (event->type == GDK_2BUTTON_PRESS) {
1449                         if (clist->selection) {
1450                                 GtkCTreeNode *node;
1451
1452                                 node = GTK_CTREE_NODE(clist->selection->data);
1453                                 if (node)
1454                                         gtk_ctree_toggle_expansion(
1455                                                 GTK_CTREE(ctree),
1456                                                 node);
1457                         }
1458                 }
1459                 return;
1460         }
1461
1462         if (event->button == 2 || event->button == 3) {
1463                 /* right clicked */
1464                 if (clist->selection) {
1465                         GtkCTreeNode *node;
1466
1467                         node = GTK_CTREE_NODE(clist->selection->data);
1468                         if (node)
1469                                 prev_row = gtkut_ctree_get_nth_from_node
1470                                         (GTK_CTREE(ctree), node);
1471                 }
1472
1473                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1474                                                   &row, &column))
1475                         return;
1476                 if (prev_row != row) {
1477                         gtk_clist_unselect_all(clist);
1478                         if (event->button == 2)
1479                                 folderview_select_node
1480                                         (folderview,
1481                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1482                                                             row));
1483                         else
1484                                 gtk_clist_select_row(clist, row, column);
1485                 }
1486         }
1487
1488         if (event->button != 3) return;
1489
1490         item = gtk_clist_get_row_data(clist, row);
1491         g_return_if_fail(item != NULL);
1492         g_return_if_fail(item->folder != NULL);
1493         folder = item->folder;
1494
1495         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1496         if (fpopup != NULL)
1497                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1498         else {
1499                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1500                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1501         }
1502
1503         if (fpopup->set_sensitivity != NULL)
1504                 fpopup->set_sensitivity(fpopup_factory, item);
1505
1506         if (item == folder->trash &&
1507             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1508                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1509                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1510         } else if (item != folder->trash) {
1511                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1512                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1513         }
1514
1515 #define SET_SENS(name, sens) \
1516         menu_set_sensitive(fpopup_factory, name, sens)
1517
1518         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1519         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1520                  folderview->selected == folderview->opened);
1521         SET_SENS("/Properties...", item->node->parent != NULL);
1522         SET_SENS("/Processing...", item->node->parent != NULL);
1523         if (item == folder->trash)
1524                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1525 #undef SET_SENS
1526
1527         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1528         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1529                        event->button, event->time);
1530 }
1531
1532 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1533                                        FolderView *folderview)
1534 {
1535         if (!event) return;
1536
1537         if (event->button == 1 && folderview->open_folder == FALSE &&
1538             folderview->opened != NULL) {
1539                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1540                                           folderview->opened);
1541                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1542         }
1543 }
1544
1545 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1546                                    FolderView *folderview)
1547 {
1548         if (!event) return;
1549
1550         switch (event->keyval) {
1551         case GDK_Return:
1552                 if (folderview->selected) {
1553                         folderview_select_node(folderview,
1554                                                folderview->selected);
1555                 }
1556                 break;
1557         case GDK_space:
1558                 if (folderview->selected) {
1559                         if (folderview->opened == folderview->selected &&
1560                             (!folderview->summaryview->folder_item ||
1561                              folderview->summaryview->folder_item->total_msgs == 0))
1562                                 folderview_select_next_unread(folderview);
1563                         else
1564                                 folderview_select_node(folderview,
1565                                                        folderview->selected);
1566                 }
1567                 break;
1568         default:
1569                 break;
1570         }
1571 }
1572
1573 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1574                                 gint column, FolderView *folderview)
1575 {
1576         static gboolean can_select = TRUE;      /* exclusive lock */
1577         gboolean opened;
1578         FolderItem *item;
1579         gchar *buf;
1580
1581         folderview->selected = row;
1582
1583         if (folderview->opened == row) {
1584                 folderview->open_folder = FALSE;
1585                 return;
1586         }
1587
1588         if (!can_select || summary_is_locked(folderview->summaryview)) {
1589                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1590                 gtk_ctree_select(ctree, folderview->opened);
1591                 return;
1592         }
1593
1594         if (!folderview->open_folder) return;
1595
1596         item = gtk_ctree_node_get_row_data(ctree, row);
1597         if (!item) return;
1598
1599         can_select = FALSE;
1600
1601         /* Save cache for old folder */
1602         /* We don't want to lose all caches if sylpheed crashed */
1603         if (folderview->opened) {
1604                 FolderItem *olditem;
1605
1606                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1607                 if (olditem) {
1608                         /* will be null if we just moved the previously opened folder */
1609                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1610                         folder_item_close(olditem);
1611                 }
1612         }
1613
1614         /* CLAWS: set compose button type: news folder items
1615          * always have a news folder as parent */
1616         if (item->folder)
1617                 toolbar_set_compose_button
1618                         (folderview->mainwin->toolbar,
1619                          FOLDER_TYPE(item->folder) == F_NEWS ?
1620                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1621
1622         if (item->path)
1623                 debug_print("Folder %s is selected\n", item->path);
1624
1625         if (!GTK_CTREE_ROW(row)->children)
1626                 gtk_ctree_expand(ctree, row);
1627         if (folderview->opened &&
1628             !GTK_CTREE_ROW(folderview->opened)->children)
1629                 gtk_ctree_collapse(ctree, folderview->opened);
1630
1631         /* ungrab the mouse event */
1632         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1633                 gtk_grab_remove(GTK_WIDGET(ctree));
1634                 if (gdk_pointer_is_grabbed())
1635                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1636         }
1637
1638         /* Open Folder */
1639         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1640                                         item->path : "(null)");
1641         debug_print("%s\n", buf);
1642         STATUSBAR_PUSH(folderview->mainwin, buf);
1643         g_free(buf);
1644
1645         main_window_cursor_wait(folderview->mainwin);
1646
1647         if (folder_item_open(item) != 0) {
1648                 main_window_cursor_normal(folderview->mainwin);
1649                 STATUSBAR_POP(folderview->mainwin);
1650
1651                 alertpanel_error(_("Folder could not be opened."));
1652
1653                 folderview->open_folder = FALSE;
1654                 can_select = TRUE;
1655
1656                 return;
1657         }
1658
1659         main_window_cursor_normal(folderview->mainwin);
1660
1661         /* Show messages */
1662         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1663         opened = summary_show(folderview->summaryview, item);
1664
1665         folder_clean_cache_memory();
1666
1667         if (!opened) {
1668                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1669                 gtk_ctree_select(ctree, folderview->opened);
1670         } else {
1671                 folderview->opened = row;
1672                 if (gtk_ctree_node_is_visible(ctree, row)
1673                     != GTK_VISIBILITY_FULL)
1674                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1675         }
1676
1677         STATUSBAR_POP(folderview->mainwin);
1678
1679         folderview->open_folder = FALSE;
1680         can_select = TRUE;
1681 }
1682
1683 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1684                                      FolderView *folderview)
1685 {
1686         FolderItem *item;
1687
1688         item = gtk_ctree_node_get_row_data(ctree, node);
1689         g_return_if_fail(item != NULL);
1690         item->collapsed = FALSE;
1691         folderview_update_node(folderview, node);
1692 }
1693
1694 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1695                                       FolderView *folderview)
1696 {
1697         FolderItem *item;
1698
1699         item = gtk_ctree_node_get_row_data(ctree, node);
1700         g_return_if_fail(item != NULL);
1701         item->collapsed = TRUE;
1702         folderview_update_node(folderview, node);
1703 }
1704
1705 static void folderview_popup_close(GtkMenuShell *menu_shell,
1706                                    FolderView *folderview)
1707 {
1708         if (!folderview->opened) return;
1709
1710         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1711                                   folderview->opened);
1712         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1713 }
1714
1715 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1716                                    FolderView *folderview)
1717 {
1718         switch (column) {
1719         case COL_FOLDER:
1720                 prefs_common.folder_col_folder = width;
1721                 break;
1722         case COL_NEW:
1723                 prefs_common.folder_col_new = width;
1724                 break;
1725         case COL_UNREAD:
1726                 prefs_common.folder_col_unread = width;
1727                 break;
1728         case COL_TOTAL:
1729                 prefs_common.folder_col_total = width;
1730                 break;
1731         default:
1732                 break;
1733         }
1734 }
1735
1736 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1737 {
1738         GNode *srcnode;
1739
1740         folderview_create_folder_node(folderview, item);
1741
1742         srcnode = item->folder->node;
1743         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1744         srcnode = srcnode->children;
1745         while (srcnode != NULL) {
1746                 if (srcnode && srcnode->data) {
1747                         FolderItem *next_item = (FolderItem*) srcnode->data;
1748                         folderview_create_folder_node_recursive(folderview, next_item);
1749                 }
1750                 srcnode = srcnode->next;
1751         }
1752 }
1753
1754 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1755 {
1756         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1757         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1758         GtkCTreeNode *node, *parent_node;
1759
1760         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1761         if (parent_node == NULL)
1762                 return;
1763
1764         gtk_clist_freeze(GTK_CLIST(ctree));
1765
1766         text[COL_FOLDER] = item->name;
1767         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1768                                      FOLDER_SPACING,
1769                                      folderxpm, folderxpmmask,
1770                                      folderopenxpm, folderopenxpmmask,
1771                                      FALSE, FALSE);
1772         gtk_ctree_expand(ctree, parent_node);
1773         gtk_ctree_node_set_row_data(ctree, node, item);
1774         if (normal_style)
1775                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1776         folderview_sort_folders(folderview, folderview->selected, item->folder);
1777
1778         gtk_clist_thaw(GTK_CLIST(ctree));
1779 }
1780
1781 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1782                                       GtkWidget *widget)
1783 {
1784         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1785         FolderItem *item;
1786         GSList *mlist = NULL;
1787         GSList *cur = NULL;
1788         if (!folderview->selected) return;
1789
1790         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1791         g_return_if_fail(item != NULL);
1792         g_return_if_fail(item->folder != NULL);
1793         if (item != item->folder->trash) return;
1794
1795         if (prefs_common.ask_on_clean) {
1796                 if (alertpanel(_("Empty trash"),
1797                                _("Empty all messages in trash?"),
1798                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1799                         return;
1800         }
1801
1802         mlist = folder_item_get_msg_list(item);
1803
1804         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1805                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1806                 if (MSG_IS_LOCKED(msginfo->flags))
1807                         continue;
1808                 /* is it partially received? (partial_recv isn't cached) */
1809                 if (msginfo->total_size != 0 &&
1810                     msginfo->size != (off_t)msginfo->total_size)
1811                         partial_mark_for_delete(msginfo);
1812         }
1813         procmsg_msg_list_free(mlist);
1814
1815         folder_item_remove_all_msg(item);
1816 }
1817
1818 static void folderview_search_cb(FolderView *folderview, guint action,
1819                                  GtkWidget *widget)
1820 {
1821         summary_search(folderview->summaryview);
1822 }
1823
1824 static void folderview_property_cb(FolderView *folderview, guint action,
1825                                    GtkWidget *widget)
1826 {
1827         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1828         FolderItem *item;
1829
1830         if (!folderview->selected) return;
1831
1832         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1833         g_return_if_fail(item != NULL);
1834         g_return_if_fail(item->folder != NULL);
1835
1836         if (folder_item_parent(item) == NULL)
1837                 return;
1838
1839         prefs_folder_item_open(item);
1840 }
1841
1842 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1843 {
1844         GSList *list = NULL;
1845         GSList *done = NULL;
1846         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1847
1848         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1849                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1850                 &&  list->data != node) {
1851                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1852                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1853                 }
1854         }
1855         for (list = done; list != NULL; list = g_slist_next(list)) {
1856                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1857                                                                  list->data);
1858         }
1859         g_slist_free(done);
1860 }
1861
1862 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1863                             FolderItem *to_folder)
1864 {
1865         FolderItem *from_parent = NULL;
1866         FolderItem *new_folder = NULL;
1867         GtkCTreeNode *src_node = NULL;
1868         gchar *buf;
1869         gint status;
1870
1871         g_return_if_fail(folderview != NULL);
1872         g_return_if_fail(from_folder != NULL);
1873         g_return_if_fail(to_folder != NULL);
1874
1875         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1876         from_parent = folder_item_parent(from_folder);
1877
1878         if (prefs_common.warn_dnd) {
1879                 buf = g_strdup_printf(_("Do you really want to move folder `%s' to a "
1880                                         "sub-folder of `%s' ?"), from_folder->name,
1881                                         to_folder->name);
1882                 status = alertpanel_message_with_disable(_("Move folder"), buf,
1883                                 _("Yes"), _("No"), NULL, ALERT_QUESTION);
1884                 g_free(buf);
1885
1886                 if (status != G_ALERTDEFAULT
1887                  && status != (G_ALERTDEFAULT | G_ALERTDISABLE))
1888                         return;
1889                 if (status & G_ALERTDISABLE)
1890                         prefs_common.warn_dnd = FALSE;
1891         }
1892
1893         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1894         STATUSBAR_PUSH(folderview->mainwin, buf);
1895         g_free(buf);
1896         summary_clear_all(folderview->summaryview);
1897         folderview->opened = NULL;
1898         folderview->selected = NULL;
1899         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1900         inc_lock();
1901         main_window_cursor_wait(folderview->mainwin);
1902         statusbar_verbosity_set(TRUE);
1903         folder_item_update_freeze();
1904         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1905                 statusbar_verbosity_set(FALSE);
1906                 main_window_cursor_normal(folderview->mainwin);
1907                 STATUSBAR_POP(folderview->mainwin);
1908                 folder_item_update_thaw();
1909                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1910
1911                 folderview_sort_folders(folderview,
1912                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1913                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1914                 folderview_select(folderview, new_folder);
1915         } else {
1916                 statusbar_verbosity_set(FALSE);
1917                 main_window_cursor_normal(folderview->mainwin);
1918                 STATUSBAR_POP(folderview->mainwin);
1919                 folder_item_update_thaw();
1920                 switch (status) {
1921                 case F_MOVE_FAILED_DEST_IS_PARENT:
1922                         alertpanel_error(_("Source and destination are the same."));
1923                         break;
1924                 case F_MOVE_FAILED_DEST_IS_CHILD:
1925                         alertpanel_error(_("Can't move a folder to one of its children."));
1926                         break;
1927                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1928                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1929                         break;
1930                 default:
1931                         alertpanel_error(_("Move failed!"));
1932                         break;
1933                 }
1934         }
1935         inc_unlock();
1936         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1937 }
1938
1939 static gint folderview_clist_compare(GtkCList *clist,
1940                                      gconstpointer ptr1, gconstpointer ptr2)
1941 {
1942         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1943         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1944
1945         if (!item1->name)
1946                 return (item2->name != NULL);
1947         if (!item2->name)
1948                 return -1;
1949
1950         return g_strcasecmp(item1->name, item2->name);
1951 }
1952
1953 static void folderview_processing_cb(FolderView *folderview, guint action,
1954                                      GtkWidget *widget)
1955 {
1956         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1957         FolderItem *item;
1958
1959         if (!folderview->selected) return;
1960
1961         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1962         g_return_if_fail(item != NULL);
1963         g_return_if_fail(item->folder != NULL);
1964
1965         prefs_filtering_open(&item->prefs->processing,
1966                              _("Processing configuration"), NULL, NULL);
1967 }
1968
1969 void folderview_set_target_folder_color(gint color_op)
1970 {
1971         gint firstone = 1;
1972         GList *list;
1973         FolderView *folderview;
1974
1975         for (list = folderview_list; list != NULL; list = list->next) {
1976                 folderview = (FolderView *)list->data;
1977                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1978                 if (firstone) {
1979                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1980                                 folderview->color_op;
1981                         firstone = 0;
1982                 }
1983         }
1984 }
1985
1986 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1987 {
1988         folderview_init(folderview);
1989         folderview_set_all();
1990 }
1991
1992 static void drag_state_stop(FolderView *folderview)
1993 {
1994         if (folderview->drag_timer)
1995                 gtk_timeout_remove(folderview->drag_timer);
1996         folderview->drag_timer = 0;
1997         folderview->drag_node = NULL;
1998 }
1999
2000 static gint folderview_defer_expand(FolderView *folderview)
2001 {
2002         if (folderview->drag_node) {
2003                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2004                 if (folderview->drag_item->collapsed) {
2005                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2006                         folderview->nodes_to_recollapse = g_slist_append
2007                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2008                 }
2009         }
2010         folderview->drag_item  = NULL;
2011         folderview->drag_timer = 0;
2012         return FALSE;
2013 }
2014
2015 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2016 {
2017         /* the idea is that we call drag_state_start() whenever we want expansion to
2018          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2019          * we need to call drag_state_stop() */
2020         drag_state_stop(folderview);
2021         /* request expansion */
2022         if (0 != (folderview->drag_timer = gtk_timeout_add
2023                         (prefs_common.hover_timeout,
2024                          (GtkFunction)folderview_defer_expand,
2025                          folderview))) {
2026                 folderview->drag_node = node;
2027                 folderview->drag_item = item;
2028         }
2029 }
2030
2031 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2032                                   FolderView       *folderview)
2033 {
2034         GdkDragContext *context;
2035
2036         g_return_if_fail(folderview != NULL);
2037         if (folderview->selected == NULL) return;
2038         if (folderview->nodes_to_recollapse)
2039                 g_slist_free(folderview->nodes_to_recollapse);
2040         folderview->nodes_to_recollapse = NULL;
2041         context = gtk_drag_begin(widget, folderview->target_list,
2042                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2043         gtk_drag_set_icon_default(context);
2044 }
2045
2046 static void folderview_drag_data_get(GtkWidget        *widget,
2047                                      GdkDragContext   *drag_context,
2048                                      GtkSelectionData *selection_data,
2049                                      guint             info,
2050                                      guint             time,
2051                                      FolderView       *folderview)
2052 {
2053         FolderItem *item;
2054         GList *cur;
2055         gchar *source = NULL;
2056
2057         for (cur = GTK_CLIST(folderview->ctree)->selection;
2058              cur != NULL; cur = cur->next) {
2059                 item = gtk_ctree_node_get_row_data
2060                         (GTK_CTREE(folderview->ctree),
2061                          GTK_CTREE_NODE(cur->data));
2062                 if (item) {
2063                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2064                         gtk_selection_data_set(selection_data,
2065                                                selection_data->target, 8,
2066                                                source, strlen(source));
2067                         break;
2068                 } else
2069                         return;
2070         }
2071 }
2072
2073 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2074 {
2075         FolderUpdateData *hookdata;
2076         FolderView *folderview;
2077         GtkWidget *ctree;
2078
2079         hookdata = source;
2080         folderview = (FolderView *) userdata;
2081         g_return_val_if_fail(hookdata != NULL, FALSE);
2082         g_return_val_if_fail(folderview != NULL, FALSE);
2083
2084         ctree = folderview->ctree;
2085         g_return_val_if_fail(ctree != NULL, FALSE);
2086
2087         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2088                 folderview_create_folder_node(folderview, hookdata->item);
2089         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2090                 GtkCTreeNode *node;
2091
2092                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2093                 if (node != NULL)
2094                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2095         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2096                 folderview_set(folderview);
2097
2098         return FALSE;
2099 }
2100
2101 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2102                                           GdkDragContext *context,
2103                                           gint            x,
2104                                           gint            y,
2105                                           guint           time,
2106                                           FolderView     *folderview)
2107 {
2108         gint row, column;
2109         FolderItem *item, *src_item = NULL;
2110         GtkCTreeNode *node = NULL;
2111         gboolean acceptable = FALSE;
2112         gint height = folderview->ctree->allocation.height;
2113         gint total_height = folderview->ctree->requisition.height;
2114         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2115                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2116         gfloat vpos = pos->value;
2117
2118         if (gtk_clist_get_selection_info
2119                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2120                 GtkWidget *srcwidget;
2121
2122                 if (y > height - 24 && height + vpos < total_height)
2123                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2124
2125                 if (y < 24 && y > 0)
2126                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2127
2128                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2129                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2130                 src_item = folderview->summaryview->folder_item;
2131
2132                 srcwidget = gtk_drag_get_source_widget(context);
2133                 if (srcwidget == folderview->summaryview->ctree) {
2134                         /* comes from summaryview */
2135                         /* we are copying messages, so only accept folder items that are not
2136                            the source item, are no root items and can copy messages */
2137                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2138                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2139                                 acceptable = TRUE;
2140                 } else if (srcwidget == folderview->ctree) {
2141                         /* comes from folderview */
2142                         /* we are moving folder items, only accept folders that are not
2143                            the source items and can copy messages and create folder items */
2144                         if (item && item->folder && src_item && src_item != item &&
2145                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2146                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2147                                 acceptable = TRUE;
2148                 }
2149         }
2150
2151         if (acceptable || (src_item && src_item == item))
2152                 drag_state_start(folderview, node, item);
2153
2154         if (acceptable) {
2155                 gtk_signal_handler_block_by_func
2156                         (GTK_OBJECT(widget),
2157                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2158                 gtk_ctree_select(GTK_CTREE(widget), node);
2159                 gtk_signal_handler_unblock_by_func
2160                         (GTK_OBJECT(widget),
2161                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2162                 gdk_drag_status(context,
2163                                         (context->actions == GDK_ACTION_COPY ?
2164                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2165         } else {
2166                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2167                 gdk_drag_status(context, 0, time);
2168         }
2169
2170         return acceptable;
2171 }
2172
2173 static void folderview_drag_leave_cb(GtkWidget      *widget,
2174                                      GdkDragContext *context,
2175                                      guint           time,
2176                                      FolderView     *folderview)
2177 {
2178         drag_state_stop(folderview);
2179         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2180 }
2181
2182 static void folderview_drag_received_cb(GtkWidget        *widget,
2183                                         GdkDragContext   *drag_context,
2184                                         gint              x,
2185                                         gint              y,
2186                                         GtkSelectionData *data,
2187                                         guint             info,
2188                                         guint             time,
2189                                         FolderView       *folderview)
2190 {
2191         gint row, column;
2192         FolderItem *item, *src_item;
2193         GtkCTreeNode *node;
2194
2195         drag_state_stop(folderview);
2196         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2197                 /* comes from summaryview */
2198                 if (gtk_clist_get_selection_info
2199                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2200                         return;
2201
2202                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2203                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2204                 src_item = folderview->summaryview->folder_item;
2205
2206                 /* re-check (due to acceptable possibly set for folder moves */
2207                 if (!(item && item->folder && item->path &&
2208                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2209                         return;
2210                 }
2211                 if (item && src_item) {
2212                         switch (drag_context->action) {
2213                         case GDK_ACTION_COPY:
2214                                 summary_copy_selected_to(folderview->summaryview, item);
2215                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2216                                 break;
2217                         case GDK_ACTION_MOVE:
2218                         case GDK_ACTION_DEFAULT:
2219                         default:
2220                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2221                                         summary_copy_selected_to(folderview->summaryview, item);
2222                                 else
2223                                         summary_move_selected_to(folderview->summaryview, item);
2224                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2225                         }
2226                 } else
2227                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2228         } else {
2229                 /* comes from folderview */
2230                 char *source;
2231
2232                 source = data->data + 17;
2233                 if (gtk_clist_get_selection_info
2234                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2235                     || *source == 0) {
2236                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2237                         return;
2238                 }
2239                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2240                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2241                 src_item = folder_find_item_from_identifier(source);
2242
2243                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2244                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2245                         return;
2246                 }
2247
2248                 folderview_move_folder(folderview, src_item, item);
2249                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2250         }
2251         folderview->nodes_to_recollapse = NULL;
2252 }
2253
2254 static void folderview_drag_end_cb(GtkWidget        *widget,
2255                                    GdkDragContext   *drag_context,
2256                                    FolderView       *folderview)
2257 {
2258         drag_state_stop(folderview);
2259         g_slist_free(folderview->nodes_to_recollapse);
2260         folderview->nodes_to_recollapse = NULL;
2261 }
2262
2263 void folderview_register_popup(FolderViewPopup *fpopup)
2264 {
2265         GList *folderviews;
2266
2267         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2268                 FolderView *folderview = folderviews->data;
2269                 GtkItemFactory *factory;
2270
2271                 factory = create_ifactory(folderview, fpopup);
2272                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2273         }
2274         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2275 }
2276
2277 void folderview_unregister_popup(FolderViewPopup *fpopup)
2278 {
2279         GList *folderviews;
2280
2281         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2282                 FolderView *folderview = folderviews->data;
2283
2284                 g_hash_table_remove(folderview->popups, fpopup->klass);
2285         }
2286         g_hash_table_remove(folderview_popups, fpopup->klass);
2287 }