2005-10-25 [wwp] 1.9.15cvs102
[claws.git] / src / folderview.c
index fd39fea82830bbd766b25aa276c29afdcab90a06..0fb729e689c68aeaeee354863c7f356f9e854b4b 100644 (file)
@@ -14,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "defs.h"
@@ -64,6 +64,7 @@
 #include "folderutils.h"
 #include "partial_download.h"
 #include "prefs_folder_column.h"
+#include "filtering.h"
 
 #define COL_FOLDER_WIDTH       150
 #define COL_NUM_WIDTH          32
@@ -639,15 +640,7 @@ void folderview_init(FolderView *folderview)
        }
 
        if (!bold_style) {
-               PangoFontDescription *font_desc;
                bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
-               font_desc = pango_font_description_from_string(BOLD_FONT);
-               if (font_desc) {
-                       if (bold_style->font_desc)
-                               pango_font_description_free
-                                       (bold_style->font_desc);
-                       bold_style->font_desc = font_desc;
-               }
                pango_font_description_set_weight
                        (bold_style->font_desc, PANGO_WEIGHT_BOLD);
                bold_color_style = gtk_style_copy(bold_style);
@@ -710,11 +703,25 @@ static void mark_all_read_cb(FolderView *folderview, guint action,
                              GtkWidget *widget)
 {
        FolderItem *item;
-
+       AlertValue val;
+       
        item = folderview_get_selected_item(folderview);
        if (item == NULL)
                return;
 
+       if (prefs_common.ask_mark_all_read) {
+               val = alertpanel_full(_("Mark all as read"),
+                       _("Do you really want to mark all mails in this "
+                         "folder as read ?"), GTK_STOCK_YES, GTK_STOCK_NO, NULL,
+                         TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
+
+               if (val == G_ALERTALTERNATE ||
+                   val == (G_ALERTALTERNATE|G_ALERTDISABLE))
+                       return;
+               else if (val == (G_ALERTDEFAULT|G_ALERTDISABLE)) 
+                       prefs_common.ask_mark_all_read = FALSE;
+       }
+       
        summary_lock(folderview->summaryview);
        folder_item_update_freeze();
        if (folderview->summaryview->folder_item == item)
@@ -791,6 +798,44 @@ void folderview_select_next_unread(FolderView *folderview)
                folderview_select_node(folderview, node);
 }
 
+static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
+                                                GtkCTreeNode *node)
+{
+       FolderItem *item;
+
+       if (node)
+               node = gtkut_ctree_node_next(ctree, node);
+       else
+               node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
+
+       for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
+               item = gtk_ctree_node_get_row_data(ctree, node);
+               if (item && item->new_msgs > 0 && item->stype != F_TRASH)
+                       return node;
+       }
+
+       return NULL;
+}
+
+void folderview_select_next_new(FolderView *folderview)
+{
+       GtkCTree *ctree = GTK_CTREE(folderview->ctree);
+       GtkCTreeNode *node = NULL;
+
+       if ((node = folderview_find_next_new(ctree, folderview->opened))
+           != NULL) {
+               folderview_select_node(folderview, node);
+               return;
+       }
+
+       if (!folderview->opened ||
+           folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
+               return;
+       /* search again from the first node */
+       if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
+               folderview_select_node(folderview, node);
+}
+
 FolderItem *folderview_get_selected_item(FolderView *folderview)
 {
        GtkCTree *ctree = GTK_CTREE(folderview->ctree);
@@ -850,7 +895,7 @@ void folderview_append_item(FolderItem *item)
                                gtk_clist_freeze(GTK_CLIST(ctree));
 
                                text[col_pos[F_COL_FOLDER]] = item->name;
-                               child = gtk_ctree_insert_node
+                               child = gtk_sctree_insert_node
                                        (ctree, node, NULL, text,
                                         FOLDER_SPACING,
                                         folderxpm, folderxpmmask,
@@ -902,30 +947,7 @@ static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
        }
 }
 
-static GtkWidget *label_window_create(const gchar *str)
-{
-       GtkWidget *window;
-       GtkWidget *label;
-
-       window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-       gtk_widget_set_size_request(window, 380, 60);
-       gtk_container_set_border_width(GTK_CONTAINER(window), 8);
-       gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
-       gtk_window_set_title(GTK_WINDOW(window), str);
-       gtk_window_set_modal(GTK_WINDOW(window), TRUE);
-       gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
-       manage_window_set_transient(GTK_WINDOW(window));
-
-       label = gtk_label_new(str);
-       gtk_container_add(GTK_CONTAINER(window), label);
-       gtk_widget_show(label);
-
-       gtk_widget_show_now(window);
-
-       return window;
-}
-
-void folderview_rescan_tree(Folder *folder)
+void folderview_rescan_tree(Folder *folder, gboolean rebuild)
 {
        GtkWidget *window;
 
@@ -933,11 +955,24 @@ void folderview_rescan_tree(Folder *folder)
 
        if (!folder->klass->scan_tree) return;
 
+       if (rebuild && 
+           alertpanel_full(_("Rebuild folder tree"), 
+                        _("Rebuilding the folder tree will remove "
+                          "local caches. Do you want to continue?"),
+                        GTK_STOCK_YES, GTK_STOCK_NO, NULL, FALSE,
+                        NULL, ALERT_WARNING, G_ALERTALTERNATE) 
+               != G_ALERTDEFAULT) {
+               return;
+       }
+
        inc_lock();
-       window = label_window_create(_("Rebuilding folder tree..."));
+       if (rebuild)
+               window = label_window_create(_("Rebuilding folder tree..."));
+       else 
+               window = label_window_create(_("Scanning folder tree..."));
 
        folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
-       folder_scan_tree(folder);
+       folder_scan_tree(folder, rebuild);
        folder_set_ui_func(folder, NULL, NULL);
 
        folderview_set_all();
@@ -961,7 +996,7 @@ gint folderview_check_new(Folder *folder)
        GtkCTreeNode *node;
        gint new_msgs = 0;
        gint former_new_msgs = 0;
-       gint former_new = 0;
+       gint former_new = 0, former_unread = 0, former_total;
 
        for (list = folderview_list; list != NULL; list = list->next) {
                folderview = (FolderView *)list->data;
@@ -969,7 +1004,6 @@ gint folderview_check_new(Folder *folder)
 
                inc_lock();
                main_window_lock(folderview->mainwin);
-               gtk_widget_set_sensitive(folderview->ctree, FALSE);
 
                for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
                     node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
@@ -981,7 +1015,9 @@ gint folderview_check_new(Folder *folder)
                        if (!item->prefs->newmailcheck) continue;
 
                        folderview_scan_tree_func(item->folder, item, NULL);
-                       former_new = item->new_msgs;
+                       former_new    = item->new_msgs;
+                       former_unread = item->unread_msgs;
+                       former_total  = item->total_msgs;
 
                        if (folder_item_scan(item) < 0) {
                                summaryview_unlock(folderview->summaryview, item);
@@ -989,12 +1025,15 @@ gint folderview_check_new(Folder *folder)
                                        break;
                        }
 
-                       folderview_update_node(folderview, node);
+                       if (former_new    != item->new_msgs ||
+                           former_unread != item->unread_msgs ||
+                           former_total  != item->total_msgs)
+                               folderview_update_node(folderview, node);
+
                        new_msgs += item->new_msgs;
                        former_new_msgs += former_new;
                }
 
-               gtk_widget_set_sensitive(folderview->ctree, TRUE);
                main_window_unlock(folderview->mainwin);
                inc_unlock();
        }
@@ -1053,7 +1092,7 @@ static gboolean folderview_have_new_children_sub(FolderView *folderview,
 
        if (in_sub &&
            (item->new_msgs > 0 ||
-           (item->stype == F_QUEUE && item->total_msgs > 0))) {
+           (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
                return TRUE;
        }
 
@@ -1092,7 +1131,7 @@ static gboolean folderview_have_unread_children_sub(FolderView *folderview,
 
        if (in_sub &&
            (item->unread_msgs > 0 ||
-           (item->stype == F_QUEUE && item->total_msgs > 0))) {
+           (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
                return TRUE;
        }
 
@@ -1154,6 +1193,43 @@ static gboolean folderview_have_matching_children(FolderView *folderview,
        return folderview_have_matching_children_sub(folderview, item, FALSE);
 }
 
+static gboolean folderview_have_marked_children_sub(FolderView *folderview,
+                                                   FolderItem *item,
+                                                   gboolean in_sub)
+{
+       GNode *node = NULL;
+       
+       if (!item || !item->folder || !item->folder->node)
+               return FALSE;
+               
+       node = item->folder->node;
+       
+       node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
+       node = node->children;
+
+       if (item->marked_msgs != 0) {
+               return TRUE;
+       }
+
+       while (node != NULL) {
+               if (node && node->data) {
+                       FolderItem *next_item = (FolderItem*) node->data;
+                       node = node->next;
+                       if (folderview_have_marked_children_sub(folderview,
+                                                               next_item, TRUE))
+                               return TRUE;
+               }
+       }
+
+       return FALSE;
+}
+
+static gboolean folderview_have_marked_children(FolderView *folderview,
+                                            FolderItem *item)
+{
+       return folderview_have_marked_children_sub(folderview, item, FALSE);
+}
+
 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 {
        GtkCTree *ctree = GTK_CTREE(folderview->ctree);
@@ -1171,13 +1247,28 @@ static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
        gboolean add_sub_match_mark;
        gboolean use_bold, use_color;
        gint *col_pos = folderview->col_pos;
-
+       SpecialFolderItemType stype;
+       
        item = gtk_ctree_node_get_row_data(ctree, node);
        g_return_if_fail(item != NULL);
 
-       mark = (item->marked_msgs != 0);
-
-       switch (item->stype) {
+       if (!GTK_CTREE_ROW(node)->expanded)
+               mark = folderview_have_marked_children(folderview, item);
+       else
+               mark = (item->marked_msgs != 0);
+
+       stype = item->stype;
+       if (stype == F_NORMAL) {
+               if (folder_has_parent_of_type(item, F_TRASH))
+                       stype = F_TRASH;
+               else if (folder_has_parent_of_type(item, F_DRAFT))
+                       stype = F_DRAFT;
+               else if (folder_has_parent_of_type(item, F_OUTBOX))
+                       stype = F_OUTBOX;
+               else if (folder_has_parent_of_type(item, F_QUEUE))
+                       stype = F_QUEUE;
+       }
+       switch (stype) {
        case F_INBOX:
                if (item->hide_read_msgs) {
                        xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
@@ -1276,11 +1367,11 @@ static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
                mask = openmask = searchmask;
        }
 
-       if (item->stype == F_QUEUE && item->total_msgs > 0 &&
+       if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
            prefs_common.display_folder_unread) {
                str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
                                      add_unread_mark ? "+" : "");
-               gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
+               gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
                                        xpm, mask, openxpm, openmask,
                                        FALSE, GTK_CTREE_ROW(node)->expanded);
                g_free(str);
@@ -1294,7 +1385,7 @@ static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
                                              item->unreadmarked_msgs > 0 ? "!":"");
                else
                        str = g_strdup_printf("%s (+)", name);
-               gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
+               gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
                                        xpm, mask, openxpm, openmask,
                                        FALSE, GTK_CTREE_ROW(node)->expanded);
                g_free(str);
@@ -1302,7 +1393,7 @@ static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
                str = g_strdup_printf("%s%s", name, 
                                      item->unreadmarked_msgs > 0 ? " (!)":"");
        
-               gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
+               gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
                                        xpm, mask, openxpm, openmask,
                                        FALSE, GTK_CTREE_ROW(node)->expanded);
                g_free(str);
@@ -1319,15 +1410,17 @@ static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
                gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
        }
 
-       if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
-           item->stype == F_TRASH) {
+       if (folder_has_parent_of_type(item, F_OUTBOX) ||
+           folder_has_parent_of_type(item, F_DRAFT) ||
+           folder_has_parent_of_type(item, F_TRASH)) {
                use_bold = use_color = FALSE;
-       } else if (item->stype == F_QUEUE) {
+       } else if (folder_has_parent_of_type(item, F_QUEUE)) {
                /* highlight queue folder if there are any messages */
                use_bold = use_color = (item->total_msgs > 0);
        } else {
                /* if unread messages exist, print with bold font */
-               use_bold = (item->unread_msgs > 0) || add_unread_mark;
+               use_bold = (item->unread_msgs > 0|| item->new_msgs > 0) 
+                               || add_unread_mark;
                /* if new messages exist, print with colored letter */
                use_color =
                        (item->new_msgs > 0) ||
@@ -1571,6 +1664,8 @@ static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *even
        FolderViewPopup *fpopup;
        GtkItemFactory *fpopup_factory;
        GtkWidget *popup;
+       FolderItem *special_trash = NULL;
+       PrefsAccount *ac;
 
        if (!event) return FALSE;
 
@@ -1635,11 +1730,16 @@ static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *even
        if (fpopup->set_sensitivity != NULL)
                fpopup->set_sensitivity(fpopup_factory, item);
 
-       if (item == folder->trash &&
+       if (NULL != (ac = account_find_from_item(item)))
+               special_trash = account_get_special_folder(ac, F_TRASH);
+
+       if ((item == folder->trash || item == special_trash
+            || folder_has_parent_of_type(item, F_TRASH)) &&
            gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
                gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
                gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
-       } else if (item != folder->trash) {
+       } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
+               && !folder_has_parent_of_type(item, F_TRASH)) {
                gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
                gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
        }
@@ -1652,7 +1752,8 @@ static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *even
                 folderview->selected == folderview->opened);
        SET_SENS("/Properties...", item->node->parent != NULL);
        SET_SENS("/Processing...", item->node->parent != NULL);
-       if (item == folder->trash) {
+       if (item == folder->trash || item == special_trash
+           || folder_has_parent_of_type(item, F_TRASH)) {
                GSList *msglist = folder_item_get_msg_list(item);
                SET_SENS("/Empty trash...", msglist != NULL);
                procmsg_msg_list_free(msglist);
@@ -1751,6 +1852,7 @@ static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
                if (olditem) {
                        /* will be null if we just moved the previously opened folder */
                        summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
+                       summary_show(folderview->summaryview, NULL);
                        folder_item_close(olditem);
                }
        }
@@ -1799,7 +1901,7 @@ static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
 
                return;
         }
-
+       
        main_window_cursor_normal(folderview->mainwin);
 
        /* Show messages */
@@ -1851,8 +1953,6 @@ static void folderview_popup_close(GtkMenuShell *menu_shell,
 {
        if (!folderview->opened) return;
 
-       gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
-                                 folderview->opened);
        gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
 }
 
@@ -1891,6 +1991,7 @@ void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
        gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
        GtkCTreeNode *node, *parent_node;
        gint *col_pos = folderview->col_pos;
+       FolderItemUpdateData hookdata;
 
        parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
        if (parent_node == NULL)
@@ -1899,7 +2000,7 @@ void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
        gtk_clist_freeze(GTK_CLIST(ctree));
 
        text[col_pos[F_COL_FOLDER]] = item->name;
-       node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
+       node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
                                     FOLDER_SPACING,
                                     folderxpm, folderxpmmask,
                                     folderopenxpm, folderopenxpmmask,
@@ -1908,7 +2009,12 @@ void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
        gtk_ctree_node_set_row_data(ctree, node, item);
        if (normal_style)
                gtk_ctree_node_set_row_style(ctree, node, normal_style);
-       folderview_sort_folders(folderview, folderview->selected, item->folder);
+       folderview_sort_folders(folderview, parent_node, item->folder);
+
+       hookdata.item = item;
+       hookdata.update_flags = F_ITEM_UPDATE_NAME;
+       hookdata.msg = NULL;
+       hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 
        gtk_clist_thaw(GTK_CLIST(ctree));
 }
@@ -1920,16 +2026,23 @@ static void folderview_empty_trash_cb(FolderView *folderview, guint action,
        FolderItem *item;
        GSList *mlist = NULL;
        GSList *cur = NULL;
+       FolderItem *special_trash = NULL;
+       PrefsAccount *ac;
+
        if (!folderview->selected) return;
-       
        item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
        g_return_if_fail(item != NULL);
        g_return_if_fail(item->folder != NULL);
-       if (item != item->folder->trash) return;
+
+       if (NULL != (ac = account_find_from_item(item)))
+               special_trash = account_get_special_folder(ac, F_TRASH);
+
+       if (item != item->folder->trash && item != special_trash
+       &&  !folder_has_parent_of_type(item, F_TRASH)) return;
        
        if (prefs_common.ask_on_clean) {
                if (alertpanel(_("Empty trash"),
-                              _("Empty all messages in trash?"),
+                              _("Delete all messages in trash?"),
                               GTK_STOCK_YES, GTK_STOCK_NO, NULL) != G_ALERTDEFAULT)
                        return;
        }
@@ -2046,7 +2159,7 @@ void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
 
                folderview_sort_folders(folderview, 
                        gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), 
-                               NULL, folder_item_parent(new_folder)), new_folder->folder);
+                               NULL, to_folder), new_folder->folder);
                folderview_select(folderview, new_folder);
        } else {
                statusbar_verbosity_set(FALSE);         
@@ -2091,6 +2204,7 @@ static void folderview_processing_cb(FolderView *folderview, guint action,
 {
        GtkCTree *ctree = GTK_CTREE(folderview->ctree);
        FolderItem *item;
+       gchar *id, *title;
 
        if (!folderview->selected) return;
 
@@ -2098,8 +2212,12 @@ static void folderview_processing_cb(FolderView *folderview, guint action,
        g_return_if_fail(item != NULL);
        g_return_if_fail(item->folder != NULL);
 
-       prefs_filtering_open(&item->prefs->processing,
-                            _("Processing configuration"), NULL, NULL);
+       id = folder_item_get_identifier(item);
+       title = g_strdup_printf (_("Processing configuration for folder %s"), id);
+       g_free (id);
+
+       prefs_filtering_open(&item->prefs->processing, title, NULL, NULL);
+       g_free (title);
 }
 
 void folderview_set_target_folder_color(gint color_op) 
@@ -2119,21 +2237,63 @@ void folderview_set_target_folder_color(gint color_op)
        }
 }
 
+static gchar *last_font = NULL;
 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
 {
+       /* force reinit */
+       if (last_font) 
+               g_free(last_font);
+       last_font = NULL;
+       
 }
 
 void folderview_reflect_prefs(void)
 {
+       gboolean update_font = TRUE;
        FolderView *folderview = mainwindow_get_mainwindow()->folderview;
-       normal_style = normal_color_style = bold_style = 
-               bold_color_style = bold_tgtfold_style = NULL;
        FolderItem *item = folderview_get_selected_item(folderview);
-       folderview_init(folderview);
+       GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
+                               GTK_SCROLLED_WINDOW(folderview->scrolledwin));
+       gint height = pos->value;
+
+       if (last_font && !strcmp(last_font, NORMAL_FONT))
+               update_font = FALSE;
+
+       if (last_font)
+               g_free(last_font);
+       
+       last_font = g_strdup(NORMAL_FONT);
+
+       if (update_font) {              
+               normal_style = normal_color_style = bold_style = 
+                       bold_color_style = bold_tgtfold_style = NULL;
+
+               folderview_init(folderview);
+       }
+       gtk_clist_freeze(GTK_CLIST(folderview->ctree));
        folderview_column_set_titles(folderview);
        folderview_set_all();
-       if (item)
+
+       g_signal_handlers_block_by_func
+               (G_OBJECT(folderview->ctree),
+                G_CALLBACK(folderview_selected), folderview);
+
+       if (item) {
+               GtkCTreeNode *node = gtk_ctree_find_by_row_data(
+                       GTK_CTREE(folderview->ctree), NULL, item);
+
                folderview_select(folderview, item);
+               folderview->selected = node;
+       }
+
+       g_signal_handlers_unblock_by_func
+               (G_OBJECT(folderview->ctree),
+                G_CALLBACK(folderview_selected), folderview);
+
+       pos = gtk_scrolled_window_get_vadjustment(
+                               GTK_SCROLLED_WINDOW(folderview->scrolledwin));
+       gtk_adjustment_set_value(pos, height);
+       gtk_clist_thaw(GTK_CLIST(folderview->ctree));
 }
 
 static void drag_state_stop(FolderView *folderview)
@@ -2375,6 +2535,7 @@ static void folderview_drag_received_cb(GtkWidget        *widget,
        } else {
                /* comes from folderview */
                char *source;
+               gboolean folder_is_normal = TRUE;
                
                source = data->data + 17;
                if (gtk_clist_get_selection_info
@@ -2387,7 +2548,15 @@ static void folderview_drag_received_cb(GtkWidget        *widget,
                item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
                src_item = folder_find_item_from_identifier(source);
 
-               if (!item || item->no_select || !src_item || src_item->stype != F_NORMAL) {
+               folder_is_normal = 
+                       src_item != NULL &&
+                       src_item->stype == F_NORMAL &&
+                       !folder_has_parent_of_type(src_item, F_OUTBOX) &&
+                       !folder_has_parent_of_type(src_item, F_DRAFT) &&
+                       !folder_has_parent_of_type(src_item, F_QUEUE) &&
+                       !folder_has_parent_of_type(src_item, F_TRASH);
+               if (!item || item->no_select || !src_item 
+               ||  !folder_is_normal) {
                        gtk_drag_finish(drag_context, FALSE, FALSE, time);                      
                        return;
                }