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 gboolean folderview_button_pressed       (GtkWidget      *ctree,
 155                                                  GdkEventButton *event,
 156                                                  FolderView     *folderview);
 157 static gboolean folderview_button_released      (GtkWidget      *ctree,
 158                                                  GdkEventButton *event,
 159                                                  FolderView     *folderview);
 160 static gboolean 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 _read"),         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_("/Pr_ocessing..."),         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         g_signal_connect(G_OBJECT(popup), "selection_done",
 299                          G_CALLBACK(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_size_request(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
 374         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 375                          G_CALLBACK(folderview_key_pressed),
 376                          folderview);
 377         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 378                          G_CALLBACK(folderview_button_pressed),
 379                          folderview);
 380         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 381                          G_CALLBACK(folderview_button_released),
 382                          folderview);
 383         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 384                          G_CALLBACK(folderview_selected), folderview);
 385         g_signal_connect(G_OBJECT(ctree), "start_drag",
 386                          G_CALLBACK(folderview_start_drag), folderview);
 387         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 388                          G_CALLBACK(folderview_drag_data_get),
 389                          folderview);
 390
 391         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 392                                G_CALLBACK(folderview_tree_expanded),
 393                                folderview);
 394         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 395                                G_CALLBACK(folderview_tree_collapsed),
 396                                folderview);
 397
 398         g_signal_connect(G_OBJECT(ctree), "resize_column",
 399                          G_CALLBACK(folderview_col_resized),
 400                          folderview);
 401
 402         /* drop callback */
 403         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 404                           summary_drag_types, 1,
 405                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 406         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 407                          G_CALLBACK(folderview_drag_motion_cb),
 408                          folderview);
 409         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 410                          G_CALLBACK(folderview_drag_leave_cb),
 411                          folderview);
 412         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 413                          G_CALLBACK(folderview_drag_received_cb),
 414                          folderview);
 415         g_signal_connect(G_OBJECT(ctree), "drag_end",
 416                          G_CALLBACK(folderview_drag_end_cb),
 417                          folderview);
 418
 419         folderview->scrolledwin  = scrolledwin;
 420         folderview->ctree        = ctree;
 421
 422         folderview->folder_update_callback_id =
 423                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 424         folderview->folder_item_update_callback_id =
 425                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 426
 427         gtk_widget_show_all(scrolledwin);
 428
 429         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 430         folderview_list = g_list_append(folderview_list, folderview);
 431
 432         return folderview;
 433 }
 434
 435 void folderview_init(FolderView *folderview)
 436 {
 437         GtkWidget *ctree = folderview->ctree;
 438         GtkWidget *label_new;
 439         GtkWidget *label_unread;
 440         GtkWidget *label_total;
 441         GtkWidget *hbox_new;
 442         GtkWidget *hbox_unread;
 443         GtkWidget *hbox_total;
 444
 445         gtk_widget_realize(ctree);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 468
 469         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 470          * instead text (text overflows making them unreadable and ugly) */
 471         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 472                          &newxpm, &newxpmmask);
 473         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 474                          &unreadxpm, &unreadxpmmask);
 475         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 476                          &readxpm, &readxpmmask);
 477
 478         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 479         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 480         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 481
 482         hbox_new = gtk_hbox_new(FALSE, 4);
 483         hbox_unread = gtk_hbox_new(FALSE, 4);
 484         hbox_total = gtk_hbox_new(FALSE, 4);
 485
 486         /* left justified */
 487         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 488         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 489         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 490         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 491         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 492         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 493
 494         gtk_widget_show_all(hbox_new);
 495         gtk_widget_show_all(hbox_unread);
 496         gtk_widget_show_all(hbox_total);
 497
 498         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 501
 502         if (!normal_style) {
 503                 PangoFontDescription *font_desc;
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 506                 if (font_desc) {
 507                         if (normal_style->font_desc)
 508                                 pango_font_description_free
 509                                         (normal_style->font_desc);
 510                         normal_style->font_desc = font_desc;
 511                 }
 512                 normal_color_style = gtk_style_copy(normal_style);
 513                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 514
 515                 gtk_widget_set_style(ctree, normal_style);
 516         }
 517
 518         if (!bold_style) {
 519                 PangoFontDescription *font_desc;
 520                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 521                 font_desc = pango_font_description_from_string(prefs_common.boldfont);
 522                 if (font_desc) {
 523                         if (bold_style->font_desc)
 524                                 pango_font_description_free
 525                                         (bold_style->font_desc);
 526                         bold_style->font_desc = font_desc;
 527                 }
 528                 bold_color_style = gtk_style_copy(bold_style);
 529                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 530
 531                 bold_tgtfold_style = gtk_style_copy(bold_style);
 532                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 533         }
 534 }
 535
 536 void folderview_set(FolderView *folderview)
 537 {
 538         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 539         MainWindow *mainwin = folderview->mainwin;
 540
 541         debug_print("Setting folder info...\n");
 542         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 543
 544         main_window_cursor_wait(mainwin);
 545
 546         folderview->selected = NULL;
 547         folderview->opened = NULL;
 548
 549         gtk_clist_freeze(GTK_CLIST(ctree));
 550         gtk_clist_clear(GTK_CLIST(ctree));
 551         gtk_clist_thaw(GTK_CLIST(ctree));
 552         gtk_clist_freeze(GTK_CLIST(ctree));
 553
 554         folderview_set_folders(folderview);
 555
 556         gtk_clist_thaw(GTK_CLIST(ctree));
 557         main_window_cursor_normal(mainwin);
 558         STATUSBAR_POP(mainwin);
 559 }
 560
 561 void folderview_set_all(void)
 562 {
 563         GList *list;
 564
 565         for (list = folderview_list; list != NULL; list = list->next)
 566                 folderview_set((FolderView *)list->data);
 567 }
 568
 569 void folderview_select(FolderView *folderview, FolderItem *item)
 570 {
 571         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 572         GtkCTreeNode *node;
 573         GtkCTreeNode *old_selected = folderview->selected;
 574
 575         if (!item) return;
 576
 577         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 578         if (node) folderview_select_node(folderview, node);
 579
 580         if (old_selected != node)
 581                 folder_update_op_count();
 582 }
 583
 584 static void mark_all_read_cb(FolderView *folderview, guint action,
 585                              GtkWidget *widget)
 586 {
 587         FolderItem *item;
 588
 589         item = folderview_get_selected_item(folderview);
 590         if (item == NULL)
 591                 return;
 592
 593         folderutils_mark_all_read(item);
 594 }
 595
 596 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 597 {
 598         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 599
 600         g_return_if_fail(node != NULL);
 601
 602         folderview->open_folder = TRUE;
 603         gtkut_ctree_set_focus_row(ctree, node);
 604         gtk_ctree_select(ctree, node);
 605         if (folderview->summaryview->folder_item &&
 606             folderview->summaryview->folder_item->total_msgs > 0)
 607                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 608         else
 609                 gtk_widget_grab_focus(folderview->ctree);
 610
 611         gtkut_ctree_expand_parent_all(ctree, node);
 612 }
 613
 614 void folderview_unselect(FolderView *folderview)
 615 {
 616         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 617                 gtk_ctree_collapse
 618                         (GTK_CTREE(folderview->ctree), folderview->opened);
 619
 620         folderview->selected = folderview->opened = NULL;
 621 }
 622
 623 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 624                                                  GtkCTreeNode *node)
 625 {
 626         FolderItem *item;
 627
 628         if (node)
 629                 node = gtkut_ctree_node_next(ctree, node);
 630         else
 631                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 632
 633         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 634                 item = gtk_ctree_node_get_row_data(ctree, node);
 635                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 636                         return node;
 637         }
 638
 639         return NULL;
 640 }
 641
 642 void folderview_select_next_unread(FolderView *folderview)
 643 {
 644         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 645         GtkCTreeNode *node = NULL;
 646
 647         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 648             != NULL) {
 649                 folderview_select_node(folderview, node);
 650                 return;
 651         }
 652
 653         if (!folderview->opened ||
 654             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 655                 return;
 656         /* search again from the first node */
 657         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 658                 folderview_select_node(folderview, node);
 659 }
 660
 661 FolderItem *folderview_get_selected_item(FolderView *folderview)
 662 {
 663         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 664
 665         if (!folderview->selected) return NULL;
 666         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 667 }
 668
 669 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 670 {
 671         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 672         static GtkCTreeNode *prev_row = NULL;
 673         FolderItem *item;
 674         gint new, unread, total;
 675         gchar *new_str, *unread_str, *total_str;
 676
 677         if (!row) return;
 678
 679         item = gtk_ctree_node_get_row_data(ctree, row);
 680         if (!item) return;
 681
 682         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 683         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 684         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 685         new = atoi(new_str);
 686         unread = atoi(unread_str);
 687         total = atoi(total_str);
 688
 689         prev_row = row;
 690
 691         folderview_update_node(folderview, row);
 692 }
 693
 694 void folderview_append_item(FolderItem *item)
 695 {
 696         GList *list;
 697
 698         g_return_if_fail(item != NULL);
 699         g_return_if_fail(item->folder != NULL);
 700         if (folder_item_parent(item)) return;
 701
 702         for (list = folderview_list; list != NULL; list = list->next) {
 703                 FolderView *folderview = (FolderView *)list->data;
 704                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 705                 GtkCTreeNode *node, *child;
 706
 707                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 708                                                   folder_item_parent(item));
 709                 if (node) {
 710                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 711                         if (!child) {
 712                                 gchar *text[N_FOLDER_COLS] =
 713                                         {NULL, "0", "0", "0"};
 714
 715                                 gtk_clist_freeze(GTK_CLIST(ctree));
 716
 717                                 text[COL_FOLDER] = item->name;
 718                                 child = gtk_ctree_insert_node
 719                                         (ctree, node, NULL, text,
 720                                          FOLDER_SPACING,
 721                                          folderxpm, folderxpmmask,
 722                                          folderopenxpm, folderopenxpmmask,
 723                                          FALSE, FALSE);
 724                                 gtk_ctree_node_set_row_data(ctree, child, item);
 725                                 gtk_ctree_expand(ctree, node);
 726                                 folderview_update_node(folderview, child);
 727                                 folderview_sort_folders(folderview, node,
 728                                                         item->folder);
 729
 730                                 gtk_clist_thaw(GTK_CLIST(ctree));
 731                         }
 732                 }
 733         }
 734 }
 735
 736 static void folderview_set_folders(FolderView *folderview)
 737 {
 738         GList *list;
 739
 740         list = folder_get_list();
 741
 742         for (; list != NULL; list = list->next)
 743                 folderview_append_folder(folderview, FOLDER(list->data));
 744 }
 745
 746 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 747                                       gpointer data)
 748 {
 749         GList *list;
 750
 751         for (list = folderview_list; list != NULL; list = list->next) {
 752                 FolderView *folderview = (FolderView *)list->data;
 753                 MainWindow *mainwin = folderview->mainwin;
 754                 gchar *str;
 755
 756                 if (item->path)
 757                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 758                                               item->folder->name, G_DIR_SEPARATOR,
 759                                               item->path);
 760                 else
 761                         str = g_strdup_printf(_("Scanning folder %s ..."),
 762                                               item->folder->name);
 763
 764                 STATUSBAR_PUSH(mainwin, str);
 765                 STATUSBAR_POP(mainwin);
 766                 g_free(str);
 767         }
 768 }
 769
 770 static GtkWidget *label_window_create(const gchar *str)
 771 {
 772         GtkWidget *window;
 773         GtkWidget *label;
 774
 775         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 776         gtk_widget_set_size_request(window, 380, 60);
 777         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 778         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 779         gtk_window_set_title(GTK_WINDOW(window), str);
 780         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 781         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 782         manage_window_set_transient(GTK_WINDOW(window));
 783
 784         label = gtk_label_new(str);
 785         gtk_container_add(GTK_CONTAINER(window), label);
 786         gtk_widget_show(label);
 787
 788         gtk_widget_show_now(window);
 789
 790         return window;
 791 }
 792
 793 void folderview_rescan_tree(Folder *folder)
 794 {
 795         GtkWidget *window;
 796
 797         g_return_if_fail(folder != NULL);
 798
 799         if (!folder->klass->scan_tree) return;
 800
 801         inc_lock();
 802         window = label_window_create(_("Rebuilding folder tree..."));
 803
 804         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 805         folder_scan_tree(folder);
 806         folder_set_ui_func(folder, NULL, NULL);
 807
 808         folderview_set_all();
 809
 810         gtk_widget_destroy(window);
 811         inc_unlock();
 812 }
 813
 814 /** folderview_check_new()
 815  *  Scan and update the folder and return the
 816  *  count the number of new messages since last check.
 817  *  \param folder the folder to check for new messages
 818  *  \return the number of new messages since last check
 819  */
 820 gint folderview_check_new(Folder *folder)
 821 {
 822         GList *list;
 823         FolderItem *item;
 824         FolderView *folderview;
 825         GtkCTree *ctree;
 826         GtkCTreeNode *node;
 827         gint new_msgs = 0;
 828         gint former_new_msgs = 0;
 829         gint former_new = 0;
 830
 831         for (list = folderview_list; list != NULL; list = list->next) {
 832                 folderview = (FolderView *)list->data;
 833                 ctree = GTK_CTREE(folderview->ctree);
 834
 835                 inc_lock();
 836                 main_window_lock(folderview->mainwin);
 837                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 838
 839                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 840                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 841                         item = gtk_ctree_node_get_row_data(ctree, node);
 842                         if (!item || !item->path || !item->folder) continue;
 843                         if (item->no_select) continue;
 844                         if (folder && folder != item->folder) continue;
 845                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 846                         if (!item->prefs->newmailcheck) continue;
 847
 848                         folderview_scan_tree_func(item->folder, item, NULL);
 849                         former_new = item->new_msgs;
 850                         if (folder_item_scan(item) < 0) {
 851                                 if (folder && !FOLDER_IS_LOCAL(folder))
 852                                         break;
 853                         }
 854                         folderview_update_node(folderview, node);
 855                         new_msgs += item->new_msgs;
 856                         former_new_msgs += former_new;
 857                 }
 858
 859                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 860                 main_window_unlock(folderview->mainwin);
 861                 inc_unlock();
 862         }
 863
 864         folder_write_list();
 865         /* Number of new messages since last check is the just the difference
 866          * between former_new_msgs and new_msgs. If new_msgs is less than
 867          * former_new_msgs, that would mean another session accessed the folder
 868          * and the result is not well defined.
 869          */
 870         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 871         return new_msgs;
 872 }
 873
 874 void folderview_check_new_all(void)
 875 {
 876         GList *list;
 877         GtkWidget *window;
 878         FolderView *folderview;
 879
 880         folderview = (FolderView *)folderview_list->data;
 881
 882         inc_lock();
 883         main_window_lock(folderview->mainwin);
 884         window = label_window_create
 885                 (_("Checking for new messages in all folders..."));
 886
 887         list = folder_get_list();
 888         for (; list != NULL; list = list->next) {
 889                 Folder *folder = list->data;
 890
 891                 folderview_check_new(folder);
 892         }
 893
 894         folder_write_list();
 895         folderview_set_all();
 896
 897         gtk_widget_destroy(window);
 898         main_window_unlock(folderview->mainwin);
 899         inc_unlock();
 900 }
 901
 902 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 903                                                 GtkCTreeNode *node)
 904 {
 905         FolderItem *item;
 906
 907         if (node) {
 908                 item = gtk_ctree_node_get_row_data(ctree, node);
 909                 if (item) {
 910                         if (item->new_msgs > 0 ||
 911                             (item->stype == F_QUEUE && item->total_msgs > 0))
 912                                 return TRUE;
 913                 }
 914                 node = GTK_CTREE_ROW(node)->children;
 915         } else
 916                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 917
 918         while (node) {
 919                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 920                         return TRUE;
 921                 node = GTK_CTREE_ROW(node)->sibling;
 922         }
 923
 924         return FALSE;
 925 }
 926
 927 static gboolean folderview_have_new_children(FolderView *folderview,
 928                                              GtkCTreeNode *node)
 929 {
 930         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 931
 932         if (!node)
 933                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 934         if (!node)
 935                 return FALSE;
 936
 937         node = GTK_CTREE_ROW(node)->children;
 938
 939         while (node) {
 940                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 941                         return TRUE;
 942                 node = GTK_CTREE_ROW(node)->sibling;
 943         }
 944
 945         return FALSE;
 946 }
 947
 948 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 949                                                    GtkCTreeNode *node)
 950 {
 951         FolderItem *item;
 952
 953         if (node) {
 954                 item = gtk_ctree_node_get_row_data(ctree, node);
 955                 if (item) {
 956                         if (item->unread_msgs > 0 ||
 957                             (item->stype == F_QUEUE && item->total_msgs > 0))
 958                                 return TRUE;
 959                 }
 960                 node = GTK_CTREE_ROW(node)->children;
 961         } else
 962                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 963
 964         while (node) {
 965                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 966                         return TRUE;
 967                 node = GTK_CTREE_ROW(node)->sibling;
 968         }
 969
 970         return FALSE;
 971 }
 972
 973 static gboolean folderview_have_unread_children(FolderView *folderview,
 974                                                 GtkCTreeNode *node)
 975 {
 976         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 977
 978         if (!node)
 979                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 980         if (!node)
 981                 return FALSE;
 982
 983         node = GTK_CTREE_ROW(node)->children;
 984
 985         while (node) {
 986                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 987                         return TRUE;
 988                 node = GTK_CTREE_ROW(node)->sibling;
 989         }
 990
 991         return FALSE;
 992 }
 993
 994 static gboolean folderview_search_matching_recursive(GtkCTree *ctree,
 995                                                    GtkCTreeNode *node)
 996 {
 997         FolderItem *item;
 998
 999         if (node) {
1000                 item = gtk_ctree_node_get_row_data(ctree, node);
1001                 if (item) {
1002                         if (item->search_match)
1003                                 return TRUE;
1004                 }
1005                 node = GTK_CTREE_ROW(node)->children;
1006         } else
1007                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1008
1009         while (node) {
1010                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1011                         return TRUE;
1012                 node = GTK_CTREE_ROW(node)->sibling;
1013         }
1014
1015         return FALSE;
1016 }
1017
1018 static gboolean folderview_have_matching_children(FolderView *folderview,
1019                                                 GtkCTreeNode *node)
1020 {
1021         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1022
1023         if (!node)
1024                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1025         if (!node)
1026                 return FALSE;
1027
1028         node = GTK_CTREE_ROW(node)->children;
1029
1030         while (node) {
1031                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1032                         return TRUE;
1033                 node = GTK_CTREE_ROW(node)->sibling;
1034         }
1035
1036         return FALSE;
1037 }
1038
1039 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1040 {
1041         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1042         GtkStyle *style = NULL;
1043         GtkStyle *color_style = NULL;
1044         FolderItem *item;
1045         GdkPixmap *xpm, *openxpm;
1046         GdkBitmap *mask, *openmask;
1047         static GdkPixmap *searchicon;
1048         static GdkBitmap *searchmask;
1049
1050         gchar *name;
1051         gchar *str;
1052         gboolean add_unread_mark;
1053         gboolean add_sub_match_mark;
1054         gboolean use_bold, use_color;
1055
1056         item = gtk_ctree_node_get_row_data(ctree, node);
1057         g_return_if_fail(item != NULL);
1058
1059         switch (item->stype) {
1060         case F_INBOX:
1061                 if (item->hide_read_msgs) {
1062                         xpm = inboxhrmxpm;
1063                         mask = inboxhrmxpmmask;
1064                         openxpm = inboxopenhrmxpm;
1065                         openmask = inboxopenhrmxpmmask;
1066                 } else {
1067                         xpm = inboxxpm;
1068                         mask = inboxxpmmask;
1069                         openxpm = inboxopenxpm;
1070                         openmask = inboxopenxpmmask;
1071                 }
1072                 break;
1073         case F_OUTBOX:
1074                 if (item->hide_read_msgs) {
1075                         xpm = outboxhrmxpm;
1076                         mask = outboxhrmxpmmask;
1077                         openxpm = outboxopenhrmxpm;
1078                         openmask = outboxopenhrmxpmmask;
1079                 } else {
1080                         xpm = outboxxpm;
1081                         mask = outboxxpmmask;
1082                         openxpm = outboxopenxpm;
1083                         openmask = outboxopenxpmmask;
1084                 }
1085                 break;
1086         case F_QUEUE:
1087                 if (item->hide_read_msgs) {
1088                         xpm = queuehrmxpm;
1089                         mask = queuehrmxpmmask;
1090                         openxpm = queueopenhrmxpm;
1091                         openmask = queueopenhrmxpmmask;
1092                 } else {
1093                         xpm = queuexpm;
1094                         mask = queuexpmmask;
1095                         openxpm = queueopenxpm;
1096                         openmask = queueopenxpmmask;
1097                 }
1098                 break;
1099         case F_TRASH:
1100                 if (item->hide_read_msgs) {
1101                         xpm = trashhrmxpm;
1102                         mask = trashhrmxpmmask;
1103                         openxpm = trashopenhrmxpm;
1104                         openmask = trashopenhrmxpmmask;
1105                 } else {
1106                         xpm = trashxpm;
1107                         mask = trashxpmmask;
1108                         openxpm = trashopenxpm;
1109                         openmask = trashopenxpmmask;
1110                 }
1111                 break;
1112         case F_DRAFT:
1113                 xpm = draftsxpm;
1114                 mask = draftsxpmmask;
1115                 openxpm = draftsopenxpm;
1116                 openmask = draftsopenxpmmask;
1117                 break;
1118         default:
1119                 if (item->hide_read_msgs) {
1120                         xpm = folderhrmxpm;
1121                         mask = folderhrmxpmmask;
1122                         openxpm = folderopenhrmxpm;
1123                         openmask = folderopenhrmxpmmask;
1124                 } else {
1125                         xpm = folderxpm;
1126                         mask = folderxpmmask;
1127                         openxpm = folderopenxpm;
1128                         openmask = folderopenxpmmask;
1129                 }
1130         }
1131         name = folder_item_get_name(item);
1132
1133         if (!GTK_CTREE_ROW(node)->expanded) {
1134                 add_unread_mark = folderview_have_unread_children(
1135                                         folderview, node);
1136                 add_sub_match_mark = folderview_have_matching_children(
1137                                         folderview, node);
1138         } else {
1139                 add_unread_mark = FALSE;
1140                 add_sub_match_mark = FALSE;
1141         }
1142
1143         if (item->search_match) {
1144                 if (!searchicon) {
1145                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1146                          &searchicon, &searchmask);
1147                 }
1148                 xpm = openxpm = searchicon;
1149                 mask = openmask = searchmask;
1150         }
1151
1152         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1153             prefs_common.display_folder_unread) {
1154                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1155                                       add_unread_mark ? "+" : "");
1156                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1157                                         xpm, mask, openxpm, openmask,
1158                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1159                 g_free(str);
1160         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1161                     prefs_common.display_folder_unread)
1162                    || add_sub_match_mark) {
1163
1164                 if (item->unread_msgs > 0)
1165                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1166                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1167                                               item->unreadmarked_msgs > 0 ? "!":"");
1168                 else
1169                         str = g_strdup_printf("%s (+)", name);
1170                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1171                                         xpm, mask, openxpm, openmask,
1172                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1173                 g_free(str);
1174         } else {
1175                 str = g_strdup_printf("%s%s", name,
1176                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1177
1178                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1179                                         xpm, mask, openxpm, openmask,
1180                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1181                 g_free(str);
1182         }
1183         g_free(name);
1184
1185         if (!folder_item_parent(item)) {
1186                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1187                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1188                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1189         } else {
1190                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1191                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1192                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1193         }
1194
1195         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1196             item->stype == F_TRASH) {
1197                 use_bold = use_color = FALSE;
1198         } else if (item->stype == F_QUEUE) {
1199                 /* highlight queue folder if there are any messages */
1200                 use_bold = use_color = (item->total_msgs > 0);
1201         } else {
1202                 /* if unread messages exist, print with bold font */
1203                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1204                 /* if new messages exist, print with colored letter */
1205                 use_color =
1206                         (item->new_msgs > 0) ||
1207                         (add_unread_mark &&
1208                          folderview_have_new_children(folderview, node));
1209         }
1210
1211         gtk_ctree_node_set_foreground(ctree, node, NULL);
1212
1213         if (use_bold) {
1214                 if (item->prefs->color > 0 && !use_color) {
1215                         GdkColor gdk_color;
1216
1217                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1218                         color_style = gtk_style_copy(bold_style);
1219                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1220                         style = color_style;
1221                 } else if (use_color)
1222                         style = bold_color_style;
1223                 else
1224                         style = bold_style;
1225                 if (item->op_count > 0) {
1226                         style = bold_tgtfold_style;
1227                 }
1228         } else if (use_color) {
1229                 style = normal_color_style;
1230                 gtk_ctree_node_set_foreground(ctree, node,
1231                                               &folderview->color_new);
1232         } else if (item->op_count > 0) {
1233                 style = bold_tgtfold_style;
1234         } else if (item->prefs->color > 0) {
1235                 GdkColor gdk_color;
1236
1237                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1238                 color_style = gtk_style_copy(normal_style);
1239                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1240                 style = color_style;
1241         } else {
1242                 style = normal_style;
1243         }
1244
1245         gtk_ctree_node_set_row_style(ctree, node, style);
1246
1247         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1248                 folderview_update_node(folderview, node);
1249 }
1250
1251 #if !CLAWS /* keep it here for syncs */
1252 void folderview_update_item(FolderItem *item, gboolean update_summary)
1253 {
1254         GList *list;
1255         FolderView *folderview;
1256         GtkCTree *ctree;
1257         GtkCTreeNode *node;
1258
1259         g_return_if_fail(item != NULL);
1260
1261         for (list = folderview_list; list != NULL; list = list->next) {
1262                 folderview = (FolderView *)list->data;
1263                 ctree = GTK_CTREE(folderview->ctree);
1264
1265                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1266                 if (node) {
1267                         folderview_update_node(folderview, node);
1268                         if (update_summary && folderview->opened == node)
1269                                 summary_show(folderview->summaryview,
1270                                              item, FALSE);
1271                 }
1272         }
1273 }
1274 #endif
1275
1276 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1277 {
1278         GList *list;
1279         FolderView *folderview;
1280         GtkCTree *ctree;
1281         GtkCTreeNode *node;
1282
1283         g_return_if_fail(item != NULL);
1284
1285         for (list = folderview_list; list != NULL; list = list->next) {
1286                 folderview = (FolderView *)list->data;
1287                 ctree = GTK_CTREE(folderview->ctree);
1288
1289                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1290                 if (node) {
1291                         item->search_match = matches;
1292                         folderview_update_node(folderview, node);
1293                 }
1294         }
1295 }
1296
1297 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1298 {
1299         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1300         FolderView *folderview = (FolderView *)data;
1301         GtkCTree *ctree;
1302         GtkCTreeNode *node;
1303
1304         g_return_val_if_fail(update_info != NULL, TRUE);
1305         g_return_val_if_fail(update_info->item != NULL, TRUE);
1306         g_return_val_if_fail(folderview != NULL, FALSE);
1307
1308         ctree = GTK_CTREE(folderview->ctree);
1309
1310         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1311         if (node) {
1312                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1313                         folderview_update_node(folderview, node);
1314                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1315                         summary_show(folderview->summaryview, update_info->item);
1316         }
1317
1318         return FALSE;
1319 }
1320
1321 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1322                                                 gpointer data)
1323 {
1324         /* CLAWS: share this joy with other hook functions ... */
1325         folder_item_update((FolderItem *)key,
1326                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1327 }
1328
1329 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1330 {
1331         GList *list;
1332         FolderItemUpdateFlags flags;
1333
1334         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1335                 : 0;
1336         for (list = folderview_list; list != NULL; list = list->next)
1337                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1338                                      GINT_TO_POINTER(flags));
1339 }
1340
1341 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1342                                       GNode *gnode, GtkCTreeNode *cnode,
1343                                       gpointer data)
1344 {
1345         FolderView *folderview = (FolderView *)data;
1346         FolderItem *item = FOLDER_ITEM(gnode->data);
1347
1348         g_return_val_if_fail(item != NULL, FALSE);
1349
1350         gtk_ctree_node_set_row_data(ctree, cnode, item);
1351         folderview_update_node(folderview, cnode);
1352
1353         return TRUE;
1354 }
1355
1356 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1357                                    gpointer data)
1358 {
1359         FolderView *folderview = (FolderView *)data;
1360         FolderItem *item;
1361
1362         if (GTK_CTREE_ROW(node)->children) {
1363                 item = gtk_ctree_node_get_row_data(ctree, node);
1364                 g_return_if_fail(item != NULL);
1365
1366                 if (!item->collapsed)
1367                         gtk_ctree_expand(ctree, node);
1368                 else
1369                         folderview_update_node(folderview, node);
1370         }
1371 }
1372
1373 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1374                                GtkCTreeNode *root, GtkCTreeNode **prev)
1375 {
1376         if (item) {
1377                 GtkCTreeNode *node, *parent, *sibling;
1378
1379                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1380                 if (!node)
1381                         g_warning("%s not found.\n", item->path);
1382                 else {
1383                         parent = GTK_CTREE_ROW(node)->parent;
1384                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1385                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1386                         else
1387                                 sibling = GTK_CTREE_ROW(parent)->children;
1388                         while (sibling) {
1389                                 FolderItem *tmp;
1390
1391                                 tmp = gtk_ctree_node_get_row_data
1392                                         (ctree, sibling);
1393                                 if (tmp->stype != F_NORMAL)
1394                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1395                                 else
1396                                         break;
1397                         }
1398                         if (node != sibling)
1399                                 gtk_ctree_move(ctree, node, parent, sibling);
1400                 }
1401
1402                 *prev = node;
1403         }
1404 }
1405
1406 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1407                                     Folder *folder)
1408 {
1409         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1410         GtkCTreeNode *prev = NULL;
1411
1412         gtk_sctree_sort_recursive(ctree, root);
1413
1414         if (root && GTK_CTREE_ROW(root)->parent) return;
1415
1416         set_special_folder(ctree, folder->inbox, root, &prev);
1417         set_special_folder(ctree, folder->outbox, root, &prev);
1418         set_special_folder(ctree, folder->draft, root, &prev);
1419         set_special_folder(ctree, folder->queue, root, &prev);
1420         set_special_folder(ctree, folder->trash, root, &prev);
1421 }
1422
1423 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1424 {
1425         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1426         GtkCTreeNode *root;
1427
1428         g_return_if_fail(folder != NULL);
1429
1430         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1431                                       folderview_gnode_func, folderview);
1432         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1433                                 folderview);
1434         folderview_sort_folders(folderview, root, folder);
1435 }
1436
1437 /* callback functions */
1438
1439 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1440                                           FolderView *folderview)
1441 {
1442         GtkCList *clist = GTK_CLIST(ctree);
1443         gint prev_row = -1, row = -1, column = -1;
1444         FolderItem *item;
1445         Folder *folder;
1446         FolderViewPopup *fpopup;
1447         GtkItemFactory *fpopup_factory;
1448         GtkWidget *popup;
1449
1450         if (!event) return FALSE;
1451
1452         if (event->button == 1) {
1453                 folderview->open_folder = TRUE;
1454                 return FALSE;
1455         }
1456
1457         if (event->button == 2 || event->button == 3) {
1458                 /* right clicked */
1459                 if (clist->selection) {
1460                         GtkCTreeNode *node;
1461
1462                         node = GTK_CTREE_NODE(clist->selection->data);
1463                         if (node)
1464                                 prev_row = gtkut_ctree_get_nth_from_node
1465                                         (GTK_CTREE(ctree), node);
1466                 }
1467
1468                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1469                                                   &row, &column))
1470                         return FALSE;
1471                 if (prev_row != row) {
1472                         gtk_clist_unselect_all(clist);
1473                         if (event->button == 2)
1474                                 folderview_select_node
1475                                         (folderview,
1476                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1477                                                             row));
1478                         else
1479                                 gtk_clist_select_row(clist, row, column);
1480                 }
1481         }
1482
1483         if (event->button != 3) return FALSE;
1484
1485         item = gtk_clist_get_row_data(clist, row);
1486         g_return_val_if_fail(item != NULL, FALSE);
1487         g_return_val_if_fail(item->folder != NULL, FALSE);
1488         folder = item->folder;
1489
1490         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1491         if (fpopup != NULL)
1492                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1493         else {
1494                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1495                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1496         }
1497
1498         if (fpopup->set_sensitivity != NULL)
1499                 fpopup->set_sensitivity(fpopup_factory, item);
1500
1501         if (item == folder->trash &&
1502             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1503                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1504                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1505         } else if (item != folder->trash) {
1506                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1507                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1508         }
1509
1510 #define SET_SENS(name, sens) \
1511         menu_set_sensitive(fpopup_factory, name, sens)
1512
1513         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1514         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1515                  folderview->selected == folderview->opened);
1516         SET_SENS("/Properties...", item->node->parent != NULL);
1517         SET_SENS("/Processing...", item->node->parent != NULL);
1518         if (item == folder->trash)
1519                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1520 #undef SET_SENS
1521
1522         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1523         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1524                        event->button, event->time);
1525
1526         return FALSE;
1527 }
1528
1529 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1530                                            FolderView *folderview)
1531 {
1532         if (!event) return FALSE;
1533
1534         if (event->button == 1 && folderview->open_folder == FALSE &&
1535             folderview->opened != NULL) {
1536                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1537                                           folderview->opened);
1538                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1539         }
1540
1541         return FALSE;
1542 }
1543
1544 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1545                                        FolderView *folderview)
1546 {
1547         if (!event) return FALSE;
1548
1549         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1550                 return FALSE;
1551
1552         switch (event->keyval) {
1553         case GDK_Return:
1554                 if (folderview->selected) {
1555                         folderview_select_node(folderview,
1556                                                folderview->selected);
1557                 }
1558                 break;
1559         case GDK_space:
1560                 if (folderview->selected) {
1561                         if (folderview->opened == folderview->selected &&
1562                             (!folderview->summaryview->folder_item ||
1563                              folderview->summaryview->folder_item->total_msgs == 0))
1564                                 folderview_select_next_unread(folderview);
1565                         else
1566                                 folderview_select_node(folderview,
1567                                                        folderview->selected);
1568                 }
1569                 break;
1570         default:
1571                 break;
1572         }
1573
1574         return FALSE;
1575 }
1576
1577 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1578                                 gint column, FolderView *folderview)
1579 {
1580         static gboolean can_select = TRUE;      /* exclusive lock */
1581         gboolean opened;
1582         FolderItem *item;
1583         gchar *buf;
1584
1585         folderview->selected = row;
1586
1587         if (folderview->opened == row) {
1588                 folderview->open_folder = FALSE;
1589                 return;
1590         }
1591
1592         if (!can_select || summary_is_locked(folderview->summaryview)) {
1593                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1594                 gtk_ctree_select(ctree, folderview->opened);
1595                 return;
1596         }
1597
1598         if (!folderview->open_folder) return;
1599
1600         item = gtk_ctree_node_get_row_data(ctree, row);
1601         if (!item) return;
1602
1603         can_select = FALSE;
1604
1605         /* Save cache for old folder */
1606         /* We don't want to lose all caches if sylpheed crashed */
1607         if (folderview->opened) {
1608                 FolderItem *olditem;
1609
1610                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1611                 if (olditem) {
1612                         /* will be null if we just moved the previously opened folder */
1613                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1614                         folder_item_close(olditem);
1615                 }
1616         }
1617
1618         /* CLAWS: set compose button type: news folder items
1619          * always have a news folder as parent */
1620         if (item->folder)
1621                 toolbar_set_compose_button
1622                         (folderview->mainwin->toolbar,
1623                          FOLDER_TYPE(item->folder) == F_NEWS ?
1624                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1625
1626         if (item->path)
1627                 debug_print("Folder %s is selected\n", item->path);
1628
1629         if (!GTK_CTREE_ROW(row)->children)
1630                 gtk_ctree_expand(ctree, row);
1631         if (folderview->opened &&
1632             !GTK_CTREE_ROW(folderview->opened)->children)
1633                 gtk_ctree_collapse(ctree, folderview->opened);
1634
1635         /* ungrab the mouse event */
1636         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1637                 gtk_grab_remove(GTK_WIDGET(ctree));
1638                 if (gdk_pointer_is_grabbed())
1639                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1640         }
1641
1642         /* Open Folder */
1643         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1644                                         item->path : "(null)");
1645         debug_print("%s\n", buf);
1646         STATUSBAR_PUSH(folderview->mainwin, buf);
1647         g_free(buf);
1648
1649         main_window_cursor_wait(folderview->mainwin);
1650
1651         if (folder_item_open(item) != 0) {
1652                 main_window_cursor_normal(folderview->mainwin);
1653                 STATUSBAR_POP(folderview->mainwin);
1654
1655                 alertpanel_error(_("Folder could not be opened."));
1656
1657                 folderview->open_folder = FALSE;
1658                 can_select = TRUE;
1659
1660                 return;
1661         }
1662
1663         main_window_cursor_normal(folderview->mainwin);
1664
1665         /* Show messages */
1666         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1667         opened = summary_show(folderview->summaryview, item);
1668
1669         folder_clean_cache_memory();
1670
1671         if (!opened) {
1672                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1673                 gtk_ctree_select(ctree, folderview->opened);
1674         } else {
1675                 folderview->opened = row;
1676                 if (gtk_ctree_node_is_visible(ctree, row)
1677                     != GTK_VISIBILITY_FULL)
1678                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1679         }
1680
1681         STATUSBAR_POP(folderview->mainwin);
1682
1683         folderview->open_folder = FALSE;
1684         can_select = TRUE;
1685 }
1686
1687 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1688                                      FolderView *folderview)
1689 {
1690         FolderItem *item;
1691
1692         item = gtk_ctree_node_get_row_data(ctree, node);
1693         g_return_if_fail(item != NULL);
1694         item->collapsed = FALSE;
1695         folderview_update_node(folderview, node);
1696 }
1697
1698 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1699                                       FolderView *folderview)
1700 {
1701         FolderItem *item;
1702
1703         item = gtk_ctree_node_get_row_data(ctree, node);
1704         g_return_if_fail(item != NULL);
1705         item->collapsed = TRUE;
1706         folderview_update_node(folderview, node);
1707 }
1708
1709 static void folderview_popup_close(GtkMenuShell *menu_shell,
1710                                    FolderView *folderview)
1711 {
1712         if (!folderview->opened) return;
1713
1714         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1715                                   folderview->opened);
1716         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1717 }
1718
1719 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1720                                    FolderView *folderview)
1721 {
1722         switch (column) {
1723         case COL_FOLDER:
1724                 prefs_common.folder_col_folder = width;
1725                 break;
1726         case COL_NEW:
1727                 prefs_common.folder_col_new = width;
1728                 break;
1729         case COL_UNREAD:
1730                 prefs_common.folder_col_unread = width;
1731                 break;
1732         case COL_TOTAL:
1733                 prefs_common.folder_col_total = width;
1734                 break;
1735         default:
1736                 break;
1737         }
1738 }
1739
1740 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1741 {
1742         GNode *srcnode;
1743
1744         folderview_create_folder_node(folderview, item);
1745
1746         srcnode = item->folder->node;
1747         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1748         srcnode = srcnode->children;
1749         while (srcnode != NULL) {
1750                 if (srcnode && srcnode->data) {
1751                         FolderItem *next_item = (FolderItem*) srcnode->data;
1752                         folderview_create_folder_node_recursive(folderview, next_item);
1753                 }
1754                 srcnode = srcnode->next;
1755         }
1756 }
1757
1758 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1759 {
1760         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1761         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1762         GtkCTreeNode *node, *parent_node;
1763
1764         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1765         if (parent_node == NULL)
1766                 return;
1767
1768         gtk_clist_freeze(GTK_CLIST(ctree));
1769
1770         text[COL_FOLDER] = item->name;
1771         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1772                                      FOLDER_SPACING,
1773                                      folderxpm, folderxpmmask,
1774                                      folderopenxpm, folderopenxpmmask,
1775                                      FALSE, FALSE);
1776         gtk_ctree_expand(ctree, parent_node);
1777         gtk_ctree_node_set_row_data(ctree, node, item);
1778         if (normal_style)
1779                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1780         folderview_sort_folders(folderview, folderview->selected, item->folder);
1781
1782         gtk_clist_thaw(GTK_CLIST(ctree));
1783 }
1784
1785 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1786                                       GtkWidget *widget)
1787 {
1788         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1789         FolderItem *item;
1790         GSList *mlist = NULL;
1791         GSList *cur = NULL;
1792         if (!folderview->selected) return;
1793
1794         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1795         g_return_if_fail(item != NULL);
1796         g_return_if_fail(item->folder != NULL);
1797         if (item != item->folder->trash) return;
1798
1799         if (prefs_common.ask_on_clean) {
1800                 if (alertpanel(_("Empty trash"),
1801                                _("Empty all messages in trash?"),
1802                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1803                         return;
1804         }
1805
1806         mlist = folder_item_get_msg_list(item);
1807
1808         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1809                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1810                 partial_mark_for_delete(msginfo);
1811         }
1812         procmsg_msg_list_free(mlist);
1813
1814         folder_item_remove_all_msg(item);
1815 }
1816
1817 static void folderview_search_cb(FolderView *folderview, guint action,
1818                                  GtkWidget *widget)
1819 {
1820         summary_search(folderview->summaryview);
1821 }
1822
1823 static void folderview_property_cb(FolderView *folderview, guint action,
1824                                    GtkWidget *widget)
1825 {
1826         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1827         FolderItem *item;
1828
1829         if (!folderview->selected) return;
1830
1831         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1832         g_return_if_fail(item != NULL);
1833         g_return_if_fail(item->folder != NULL);
1834
1835         if (folder_item_parent(item) == NULL)
1836                 return;
1837
1838         prefs_folder_item_open(item);
1839 }
1840
1841 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1842 {
1843         GSList *list = NULL;
1844         GSList *done = NULL;
1845         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1846
1847         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1848                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1849                 &&  list->data != node) {
1850                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1851                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1852                 }
1853         }
1854         for (list = done; list != NULL; list = g_slist_next(list)) {
1855                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1856                                                                  list->data);
1857         }
1858         g_slist_free(done);
1859 }
1860
1861 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1862                             FolderItem *to_folder)
1863 {
1864         FolderItem *from_parent = NULL;
1865         FolderItem *new_folder = NULL;
1866         GtkCTreeNode *src_node = NULL;
1867         gchar *buf;
1868         gint status;
1869
1870         g_return_if_fail(folderview != NULL);
1871         g_return_if_fail(from_folder != NULL);
1872         g_return_if_fail(to_folder != NULL);
1873
1874         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1875         from_parent = folder_item_parent(from_folder);
1876         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1877         STATUSBAR_PUSH(folderview->mainwin, buf);
1878         g_free(buf);
1879         summary_clear_all(folderview->summaryview);
1880         folderview->opened = NULL;
1881         folderview->selected = NULL;
1882         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1883         inc_lock();
1884         main_window_cursor_wait(folderview->mainwin);
1885         statusbar_verbosity_set(TRUE);
1886         folder_item_update_freeze();
1887         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1888                 statusbar_verbosity_set(FALSE);
1889                 main_window_cursor_normal(folderview->mainwin);
1890                 STATUSBAR_POP(folderview->mainwin);
1891                 folder_item_update_thaw();
1892                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1893
1894                 folderview_sort_folders(folderview,
1895                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1896                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1897                 folderview_select(folderview, new_folder);
1898         } else {
1899                 statusbar_verbosity_set(FALSE);
1900                 main_window_cursor_normal(folderview->mainwin);
1901                 STATUSBAR_POP(folderview->mainwin);
1902                 folder_item_update_thaw();
1903                 switch (status) {
1904                 case F_MOVE_FAILED_DEST_IS_PARENT:
1905                         alertpanel_error(_("Source and destination are the same."));
1906                         break;
1907                 case F_MOVE_FAILED_DEST_IS_CHILD:
1908                         alertpanel_error(_("Can't move a folder to one of its children."));
1909                         break;
1910                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1911                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1912                         break;
1913                 default:
1914                         alertpanel_error(_("Move failed!"));
1915                         break;
1916                 }
1917         }
1918         inc_unlock();
1919         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1920 }
1921
1922 static gint folderview_clist_compare(GtkCList *clist,
1923                                      gconstpointer ptr1, gconstpointer ptr2)
1924 {
1925         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1926         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1927
1928         if (!item1->name)
1929                 return (item2->name != NULL);
1930         if (!item2->name)
1931                 return -1;
1932
1933         return g_utf8_collate(item1->name, item2->name);
1934 }
1935
1936 static void folderview_processing_cb(FolderView *folderview, guint action,
1937                                      GtkWidget *widget)
1938 {
1939         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1940         FolderItem *item;
1941
1942         if (!folderview->selected) return;
1943
1944         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1945         g_return_if_fail(item != NULL);
1946         g_return_if_fail(item->folder != NULL);
1947
1948         prefs_filtering_open(&item->prefs->processing,
1949                              _("Processing configuration"), NULL, NULL);
1950 }
1951
1952 void folderview_set_target_folder_color(gint color_op)
1953 {
1954         gint firstone = 1;
1955         GList *list;
1956         FolderView *folderview;
1957
1958         for (list = folderview_list; list != NULL; list = list->next) {
1959                 folderview = (FolderView *)list->data;
1960                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1961                 if (firstone) {
1962                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1963                                 folderview->color_op;
1964                         firstone = 0;
1965                 }
1966         }
1967 }
1968
1969 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1970 {
1971         folderview_init(folderview);
1972         folderview_set_all();
1973 }
1974
1975 static void drag_state_stop(FolderView *folderview)
1976 {
1977         if (folderview->drag_timer)
1978                 gtk_timeout_remove(folderview->drag_timer);
1979         folderview->drag_timer = 0;
1980         folderview->drag_node = NULL;
1981 }
1982
1983 static gint folderview_defer_expand(FolderView *folderview)
1984 {
1985         if (folderview->drag_node) {
1986                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1987                 if (folderview->drag_item->collapsed) {
1988                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1989                         folderview->nodes_to_recollapse = g_slist_append
1990                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1991                 }
1992         }
1993         folderview->drag_item  = NULL;
1994         folderview->drag_timer = 0;
1995         return FALSE;
1996 }
1997
1998 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
1999 {
2000         /* the idea is that we call drag_state_start() whenever we want expansion to
2001          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2002          * we need to call drag_state_stop() */
2003         drag_state_stop(folderview);
2004         /* request expansion */
2005         if (0 != (folderview->drag_timer = gtk_timeout_add
2006                         (prefs_common.hover_timeout,
2007                          (GtkFunction)folderview_defer_expand,
2008                          folderview))) {
2009                 folderview->drag_node = node;
2010                 folderview->drag_item = item;
2011         }
2012 }
2013
2014 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2015                                   FolderView       *folderview)
2016 {
2017         GdkDragContext *context;
2018
2019         g_return_if_fail(folderview != NULL);
2020         if (folderview->selected == NULL) return;
2021         if (folderview->nodes_to_recollapse)
2022                 g_slist_free(folderview->nodes_to_recollapse);
2023         folderview->nodes_to_recollapse = NULL;
2024         context = gtk_drag_begin(widget, folderview->target_list,
2025                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2026         gtk_drag_set_icon_default(context);
2027 }
2028
2029 static void folderview_drag_data_get(GtkWidget        *widget,
2030                                      GdkDragContext   *drag_context,
2031                                      GtkSelectionData *selection_data,
2032                                      guint             info,
2033                                      guint             time,
2034                                      FolderView       *folderview)
2035 {
2036         FolderItem *item;
2037         GList *cur;
2038         gchar *source = NULL;
2039
2040         for (cur = GTK_CLIST(folderview->ctree)->selection;
2041              cur != NULL; cur = cur->next) {
2042                 item = gtk_ctree_node_get_row_data
2043                         (GTK_CTREE(folderview->ctree),
2044                          GTK_CTREE_NODE(cur->data));
2045                 if (item) {
2046                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2047                         gtk_selection_data_set(selection_data,
2048                                                selection_data->target, 8,
2049                                                source, strlen(source));
2050                         break;
2051                 } else
2052                         return;
2053         }
2054 }
2055
2056 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2057 {
2058         FolderUpdateData *hookdata;
2059         FolderView *folderview;
2060         GtkWidget *ctree;
2061
2062         hookdata = source;
2063         folderview = (FolderView *) userdata;
2064         g_return_val_if_fail(hookdata != NULL, FALSE);
2065         g_return_val_if_fail(folderview != NULL, FALSE);
2066
2067         ctree = folderview->ctree;
2068         g_return_val_if_fail(ctree != NULL, FALSE);
2069
2070         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2071                 folderview_create_folder_node(folderview, hookdata->item);
2072         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2073                 GtkCTreeNode *node;
2074
2075                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2076                 if (node != NULL)
2077                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2078         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2079                 folderview_set(folderview);
2080
2081         return FALSE;
2082 }
2083
2084 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2085                                           GdkDragContext *context,
2086                                           gint            x,
2087                                           gint            y,
2088                                           guint           time,
2089                                           FolderView     *folderview)
2090 {
2091         gint row, column;
2092         FolderItem *item, *src_item = NULL;
2093         GtkCTreeNode *node = NULL;
2094         gboolean acceptable = FALSE;
2095         gint height = folderview->ctree->allocation.height;
2096         gint total_height = folderview->ctree->requisition.height;
2097         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2098                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2099         gfloat vpos = pos->value;
2100
2101         if (gtk_clist_get_selection_info
2102                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2103                 GtkWidget *srcwidget;
2104
2105                 if (y > height - 24 && height + vpos < total_height)
2106                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2107
2108                 if (y < 24 && y > 0)
2109                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2110
2111                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2112                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2113                 src_item = folderview->summaryview->folder_item;
2114
2115                 srcwidget = gtk_drag_get_source_widget(context);
2116                 if (srcwidget == folderview->summaryview->ctree) {
2117                         /* comes from summaryview */
2118                         /* we are copying messages, so only accept folder items that are not
2119                            the source item, are no root items and can copy messages */
2120                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2121                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2122                                 acceptable = TRUE;
2123                 } else if (srcwidget == folderview->ctree) {
2124                         /* comes from folderview */
2125                         /* we are moving folder items, only accept folders that are not
2126                            the source items and can copy messages and create folder items */
2127                         if (item && item->folder && src_item && src_item != item &&
2128                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2129                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2130                                 acceptable = TRUE;
2131                 }
2132         }
2133
2134         if (acceptable || (src_item && src_item == item))
2135                 drag_state_start(folderview, node, item);
2136
2137         if (acceptable) {
2138                 g_signal_handlers_block_by_func
2139                         (G_OBJECT(widget),
2140                          G_CALLBACK(folderview_selected), folderview);
2141                 gtk_ctree_select(GTK_CTREE(widget), node);
2142                 g_signal_handlers_unblock_by_func
2143                         (G_OBJECT(widget),
2144                          G_CALLBACK(folderview_selected), folderview);
2145                 gdk_drag_status(context,
2146                                         (context->actions == GDK_ACTION_COPY ?
2147                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2148         } else {
2149                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2150                 gdk_drag_status(context, 0, time);
2151         }
2152
2153         return acceptable;
2154 }
2155
2156 static void folderview_drag_leave_cb(GtkWidget      *widget,
2157                                      GdkDragContext *context,
2158                                      guint           time,
2159                                      FolderView     *folderview)
2160 {
2161         drag_state_stop(folderview);
2162         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2163 }
2164
2165 static void folderview_drag_received_cb(GtkWidget        *widget,
2166                                         GdkDragContext   *drag_context,
2167                                         gint              x,
2168                                         gint              y,
2169                                         GtkSelectionData *data,
2170                                         guint             info,
2171                                         guint             time,
2172                                         FolderView       *folderview)
2173 {
2174         gint row, column;
2175         FolderItem *item, *src_item;
2176         GtkCTreeNode *node;
2177
2178         drag_state_stop(folderview);
2179         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2180                 /* comes from summaryview */
2181                 if (gtk_clist_get_selection_info
2182                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2183                         return;
2184
2185                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2186                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2187                 src_item = folderview->summaryview->folder_item;
2188
2189                 /* re-check (due to acceptable possibly set for folder moves */
2190                 if (!(item && item->folder && item->path &&
2191                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2192                         return;
2193                 }
2194                 if (item && src_item) {
2195                         switch (drag_context->action) {
2196                         case GDK_ACTION_COPY:
2197                                 summary_copy_selected_to(folderview->summaryview, item);
2198                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2199                                 break;
2200                         case GDK_ACTION_MOVE:
2201                         case GDK_ACTION_DEFAULT:
2202                         default:
2203                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2204                                         summary_copy_selected_to(folderview->summaryview, item);
2205                                 else
2206                                         summary_move_selected_to(folderview->summaryview, item);
2207                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2208                         }
2209                 } else
2210                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2211         } else {
2212                 /* comes from folderview */
2213                 char *source;
2214
2215                 source = data->data + 17;
2216                 if (gtk_clist_get_selection_info
2217                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2218                     || *source == 0) {
2219                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2220                         return;
2221                 }
2222                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2223                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2224                 src_item = folder_find_item_from_identifier(source);
2225
2226                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2227                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2228                         return;
2229                 }
2230
2231                 folderview_move_folder(folderview, src_item, item);
2232                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2233         }
2234         folderview->nodes_to_recollapse = NULL;
2235 }
2236
2237 static void folderview_drag_end_cb(GtkWidget        *widget,
2238                                    GdkDragContext   *drag_context,
2239                                    FolderView       *folderview)
2240 {
2241         drag_state_stop(folderview);
2242         g_slist_free(folderview->nodes_to_recollapse);
2243         folderview->nodes_to_recollapse = NULL;
2244 }
2245
2246 void folderview_register_popup(FolderViewPopup *fpopup)
2247 {
2248         GList *folderviews;
2249
2250         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2251                 FolderView *folderview = folderviews->data;
2252                 GtkItemFactory *factory;
2253
2254                 factory = create_ifactory(folderview, fpopup);
2255                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2256         }
2257         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2258 }
2259
2260 void folderview_unregister_popup(FolderViewPopup *fpopup)
2261 {
2262         GList *folderviews;
2263
2264         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2265                 FolderView *folderview = folderviews->data;
2266
2267                 g_hash_table_remove(folderview->popups, fpopup->klass);
2268         }
2269         g_hash_table_remove(folderview_popups, fpopup->klass);
2270 }