2005-06-17 [colin] 1.9.11cvs80
[claws.git] / src / summaryview.c
index be1a7cc8f0183b033e7c387bde3556f08b02d024..9708aaeba02e819ee5ad98a17fa6d7d00df8b48a 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2004 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2005 Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@
 #include "defs.h"
 
 #include <glib.h>
+#include <glib/gi18n.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtkscrolledwindow.h>
 #include <gtk/gtkwidget.h>
@@ -45,9 +46,9 @@
 #include <string.h>
 #include <ctype.h>
 
-#include "intl.h"
 #include "main.h"
 #include "menu.h"
+#include "mbox.h"
 #include "mainwindow.h"
 #include "folderview.h"
 #include "summaryview.h"
@@ -84,6 +85,7 @@
 #include "folderutils.h"
 #include "quicksearch.h"
 #include "partial_download.h"
+#include "timing.h"
 
 #define SUMMARY_COL_MARK_WIDTH         10
 #define SUMMARY_COL_STATUS_WIDTH       13
@@ -124,6 +126,8 @@ static GdkPixmap *clipkeyxpm;
 static GdkBitmap *clipkeyxpmmask;
 static GdkPixmap *gpgsignedxpm;
 static GdkBitmap *gpgsignedxpmmask;
+static GdkPixmap *clipgpgsignedxpm;
+static GdkBitmap *clipgpgsignedxpmmask;
 
 static void summary_free_msginfo_func  (GtkCTree               *ctree,
                                         GtkCTreeNode           *node,
@@ -460,6 +464,21 @@ static const gchar *const col_label[N_SUMMARY_COLS] = {
        N_("L")         /* S_COL_LOCKED  */
 };
 
+#define START_LONG_OPERATION(summaryview) {                    \
+       summary_lock(summaryview);                              \
+       main_window_cursor_wait(summaryview->mainwin);          \
+       gtk_clist_freeze(GTK_CLIST(summaryview->ctree));        \
+       folder_item_update_freeze();                            \
+       inc_lock();                                             \
+}
+#define END_LONG_OPERATION(summaryview) {                      \
+       inc_unlock();                                           \
+       folder_item_update_thaw();                              \
+       gtk_clist_thaw(GTK_CLIST(summaryview->ctree));          \
+       main_window_cursor_normal(summaryview->mainwin);        \
+       summary_unlock(summaryview);                            \
+}
+
 SummaryView *summary_create(void)
 {
        SummaryView *summaryview;
@@ -538,7 +557,7 @@ SummaryView *summary_create(void)
        gtk_widget_show(scrolledwin);
        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
                                       GTK_POLICY_AUTOMATIC,
-                                      GTK_POLICY_ALWAYS);
+                                      GTK_POLICY_AUTOMATIC);
        gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
        gtk_widget_set_size_request(vbox,
                             prefs_common.summaryview_width,
@@ -611,10 +630,9 @@ SummaryView *summary_create(void)
 
 void summary_init(SummaryView *summaryview)
 {
-       static GdkFont *boldfont = NULL;
-       static GdkFont *smallfont = NULL;
-       GtkStyle *style;
        GtkWidget *pixmap;
+       PangoFontDescription *font_desc;
+       gint size;
 
        gtk_widget_realize(summaryview->ctree);
        stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_MARK,
@@ -641,40 +659,24 @@ void summary_init(SummaryView *summaryview)
                         &keyxpm, &keyxpmmask);
        stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_GPG_SIGNED,
                         &gpgsignedxpm, &gpgsignedxpmmask);
+       stock_pixmap_gdk(summaryview->ctree, STOCK_PIXMAP_CLIP_GPG_SIGNED,
+                        &clipgpgsignedxpm, &clipgpgsignedxpmmask);
 
-       if (!small_style) {
-               PangoFontDescription *font_desc = NULL;
+       font_desc = pango_font_description_from_string(NORMAL_FONT);
+       gtk_widget_modify_font(summaryview->ctree, font_desc);
+       pango_font_description_free(font_desc);
 
-               small_style = gtk_style_copy
-                       (gtk_widget_get_style(summaryview->ctree));
-               if (SMALL_FONT)
-                       font_desc = pango_font_description_from_string
-                                               (SMALL_FONT);
-               if (font_desc) {
-                       if (small_style->font_desc)
-                               pango_font_description_free(small_style->font_desc);
-                       small_style->font_desc = font_desc;
-               }
-               small_marked_style = gtk_style_copy(small_style);
-               small_marked_style->fg[GTK_STATE_NORMAL] =
-                       summaryview->color_marked;
-               small_deleted_style = gtk_style_copy(small_style);
-               small_deleted_style->fg[GTK_STATE_NORMAL] =
-                       summaryview->color_dim;
-       }
        if (!bold_style) {
-               PangoFontDescription *font_desc = NULL;
                bold_style = gtk_style_copy
                        (gtk_widget_get_style(summaryview->ctree));
-               if (BOLD_FONT)
-                       font_desc = pango_font_description_from_string
-                                               (BOLD_FONT);
+               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);
+                       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_marked_style = gtk_style_copy(bold_style);
                bold_marked_style->fg[GTK_STATE_NORMAL] =
                        summaryview->color_marked;
@@ -683,11 +685,14 @@ void summary_init(SummaryView *summaryview)
                        summaryview->color_dim;
        }
 
-       style = gtk_style_copy(gtk_widget_get_style
-                               (summaryview->statlabel_folder));
-       gtk_widget_set_style(summaryview->statlabel_folder, style);
-       gtk_widget_set_style(summaryview->statlabel_select, style);
-       gtk_widget_set_style(summaryview->statlabel_msgs, style);
+       font_desc = pango_font_description_new();
+       size = pango_font_description_get_size
+               (summaryview->statlabel_folder->style->font_desc);
+       pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
+       gtk_widget_modify_font(summaryview->statlabel_folder, font_desc);
+       gtk_widget_modify_font(summaryview->statlabel_select, font_desc);
+       gtk_widget_modify_font(summaryview->statlabel_msgs, font_desc);
+       pango_font_description_free(font_desc);
 
        pixmap = stock_pixmap_widget(summaryview->hbox_l, STOCK_PIXMAP_DIR_OPEN);
        gtk_box_pack_start(GTK_BOX(summaryview->hbox_l), pixmap, FALSE, FALSE, 4);
@@ -780,7 +785,7 @@ GtkCTreeNode * summary_find_prev_important_score(SummaryView *summaryview,
 
 #define CURRENTLY_DISPLAYED(m) \
 ( (m->msgnum == displayed_msgnum) \
-  && (!g_strcasecmp(m->folder->name,item->name)) )
+  && (!g_ascii_strcasecmp(m->folder->name,item->name)) )
 
 gboolean summary_show(SummaryView *summaryview, FolderItem *item)
 {
@@ -800,13 +805,9 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
        summary_lock(summaryview);
 
        if (!prefs_common.summary_quicksearch_sticky
+        && !prefs_common.summary_quicksearch_recurse
         && !quicksearch_is_running(summaryview->quicksearch)) {
-               FolderItemUpdateData source;
                quicksearch_set(summaryview->quicksearch, prefs_common.summary_quicksearch_type, "");
-
-               source.item = item;
-               source.update_flags = F_ITEM_UPDATE_ICON;
-               hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);                             
        }
 
        /* STATUSBAR_POP(summaryview->mainwin); */
@@ -823,14 +824,16 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
        if (summaryview->mainwin->lock_count == 0 &&
            (summaryview->moved > 0 || summaryview->copied > 0)) {
                AlertValue val;
+               gboolean changed = FALSE;
 
                val = alertpanel(_("Process mark"),
                                 _("Some marks are left. Process it?"),
-                                _("Yes"), _("No"), _("Cancel"));
+                                GTK_STOCK_YES, GTK_STOCK_NO, GTK_STOCK_CANCEL);
                if (G_ALERTDEFAULT == val) {
                        summary_unlock(summaryview);
                        summary_execute(summaryview);
                        summary_lock(summaryview);
+                       changed = TRUE;
                } else if (G_ALERTALTERNATE == val) {
                        /* DO NOTHING */
                } else {
@@ -838,7 +841,8 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                        inc_unlock();
                        return FALSE;
                }
-               folder_update_op_count();
+               if (changed || !quicksearch_is_active(summaryview->quicksearch))
+                       folder_update_op_count();
        }
        
        gtk_clist_freeze(GTK_CLIST(ctree));
@@ -856,6 +860,15 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                gtk_clist_thaw(GTK_CLIST(ctree));
                summary_unlock(summaryview);
                inc_unlock();
+               if (item && quicksearch_is_running(summaryview->quicksearch)) {
+                       main_window_cursor_wait(summaryview->mainwin);
+                       quicksearch_reset_cur_folder_item(summaryview->quicksearch);
+                       if (quicksearch_is_active(summaryview->quicksearch))
+                               quicksearch_search_subfolders(summaryview->quicksearch, 
+                                             summaryview->folderview,
+                                             summaryview->folder_item);
+                       main_window_cursor_normal(summaryview->mainwin);
+               }                       
                return TRUE;
        }
        g_free(buf);
@@ -887,7 +900,7 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                
                summary_set_hide_read_msgs_menu(summaryview, TRUE);
                not_killed = NULL;
-               for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
+               for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
                        MsgInfo * msginfo = (MsgInfo *) cur->data;
                        
                        if ((MSG_IS_UNREAD(msginfo->flags)
@@ -909,7 +922,7 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                GSList *not_killed;
                
                not_killed = NULL;
-               for (cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
+               for (cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
                        MsgInfo * msginfo = (MsgInfo *) cur->data;
 
                        if (quicksearch_match(summaryview->quicksearch, msginfo))
@@ -917,7 +930,18 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                        else
                                procmsg_msginfo_free(msginfo);
                }
-
+               
+               if (quicksearch_is_running(summaryview->quicksearch)) {
+                       /* only scan subfolders when quicksearch changed,
+                        * not when search is the same and folder changed */
+                       main_window_cursor_wait(summaryview->mainwin);
+                       quicksearch_reset_cur_folder_item(summaryview->quicksearch);
+                       quicksearch_search_subfolders(summaryview->quicksearch, 
+                                             summaryview->folderview,
+                                             summaryview->folder_item);
+                       main_window_cursor_normal(summaryview->mainwin);
+               }
+               
                g_slist_free(mlist);
                mlist = not_killed;
        }
@@ -931,7 +955,7 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                kill_score = prefs_common.kill_score;
                if (item->prefs->kill_score > kill_score)
                        kill_score = item->prefs->kill_score;
-               for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
+               for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
                        MsgInfo * msginfo = (MsgInfo *) cur->data;
 
                        if (msginfo->score > kill_score)
@@ -944,7 +968,7 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
        }
 #endif
         not_killed = NULL;
-        for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
+        for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = g_slist_next(cur)) {
                 MsgInfo * msginfo = (MsgInfo *) cur->data;
                 
                 if (!msginfo->hidden)
@@ -963,9 +987,6 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
 
        g_slist_free(mlist);
 
-       if (summaryview->sort_key != SORT_BY_NONE)
-               summary_sort(summaryview, summaryview->sort_key, summaryview->sort_type);
-
        gtk_clist_thaw(GTK_CLIST(ctree));
 
        if (is_refresh) {
@@ -974,7 +995,9 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                                                   displayed_msgnum);
                if (!summaryview->displayed)
                        messageview_clear(summaryview->messageview);
+               summary_unlock(summaryview);
                summary_select_by_msgnum(summaryview, selected_msgnum);
+               summary_lock(summaryview);
                if (!summaryview->selected) {
                        /* no selected message - select first unread
                           message, but do not display it */
@@ -985,16 +1008,12 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                                        (ctree,
                                         item->sort_type == SORT_DESCENDING
                                         ? 0 : GTK_CLIST(ctree)->rows - 1);
+                       summary_unlock(summaryview);
                        summary_select_node(summaryview, node, FALSE, TRUE);
+                       summary_lock(summaryview);
                }
        } else {
                /* select first unread message */
-#if 0
-               if (summaryview->sort_key == SORT_BY_SCORE)
-                       node = summary_find_next_important_score(summaryview,
-                                                                NULL);
-               else
-#endif
                node = summary_find_next_flagged_msg(summaryview, NULL,
                                                     MSG_UNREAD, FALSE);
                if (node == NULL && GTK_CLIST(ctree)->row_list != NULL) {
@@ -1003,15 +1022,15 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item)
                                 item->sort_type == SORT_DESCENDING
                                 ? 0 : GTK_CLIST(ctree)->rows - 1);
                }
-               if (prefs_common.open_unread_on_enter ||
-                   prefs_common.always_show_msg) {
+               if (prefs_common.open_unread_on_enter) {
                        summary_unlock(summaryview);
                        summary_select_node(summaryview, node, 
                                            messageview_is_visible(summaryview->messageview), 
                                            TRUE);
                        summary_lock(summaryview);
-               } else
+               } else {
                        summary_select_node(summaryview, node, FALSE, TRUE);
+               }
        }
 
        summary_set_column_titles(summaryview);
@@ -1139,7 +1158,7 @@ GSList *summary_get_selected_msg_list(SummaryView *summaryview)
        GList *cur;
        MsgInfo *msginfo;
 
-       for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL;
+       for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL && cur->data != NULL;
             cur = cur->next) {
                msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(cur->data);
                mlist = g_slist_prepend(mlist, msginfo);
@@ -1248,9 +1267,16 @@ static void summary_set_menu_sensitive(SummaryView *summaryview)
 void summary_select_prev_unread(SummaryView *summaryview)
 {
        GtkCTreeNode *node;
+       gboolean skip_cur = FALSE;
+
+       if (summaryview->displayed 
+       &&  summaryview->selected == summaryview->displayed) {
+               debug_print("skipping current\n");
+               skip_cur = TRUE;
+       }
 
        node = summary_find_prev_flagged_msg
-               (summaryview, summaryview->selected, MSG_UNREAD, FALSE);
+               (summaryview, summaryview->selected, MSG_UNREAD, skip_cur);
 
        if (!node) {
                AlertValue val = 0;
@@ -1260,7 +1286,7 @@ void summary_select_prev_unread(SummaryView *summaryview)
                                val = alertpanel(_("No more unread messages"),
                                                 _("No unread message found. "
                                                   "Search from the end?"),
-                                                _("Yes"), _("No"), NULL);
+                                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                                break;
                        case NEXTUNREADMSGDIALOG_ASSUME_YES:
                                val = G_ALERTDEFAULT;
@@ -1287,9 +1313,18 @@ void summary_select_next_unread(SummaryView *summaryview)
 {
        GtkCTreeNode *node = summaryview->selected;
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
+       gboolean skip_cur = FALSE;
+       
+       if (summaryview->displayed 
+       &&  summaryview->selected == summaryview->displayed) {
+               debug_print("skipping cur (%p %p)\n",
+                       summaryview->displayed, summaryview->selected);
+               skip_cur = TRUE;
+       }
+
 
        node = summary_find_next_flagged_msg
-               (summaryview, node, MSG_UNREAD, FALSE);
+               (summaryview, node, MSG_UNREAD, skip_cur);
        
        if (node)
                summary_select_node(summaryview, node, TRUE, FALSE);
@@ -1304,7 +1339,7 @@ void summary_select_next_unread(SummaryView *summaryview)
                                        val = alertpanel(_("No more unread messages"),
                                                         _("No unread message found. "
                                                           "Go to next folder?"),
-                                                        _("Yes"), _("No"), NULL);
+                                                        GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                                        break;
                                case NEXTUNREADMSGDIALOG_ASSUME_YES:
                                        val = G_ALERTDEFAULT;
@@ -1344,7 +1379,7 @@ void summary_select_prev_new(SummaryView *summaryview)
                val = alertpanel(_("No more new messages"),
                                 _("No new message found. "
                                   "Search from the end?"),
-                                _("Yes"), _("No"), NULL);
+                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (val != G_ALERTDEFAULT) return;
                node = summary_find_prev_flagged_msg(summaryview, NULL,
                                                     MSG_NEW, FALSE);
@@ -1368,7 +1403,8 @@ void summary_select_next_new(SummaryView *summaryview)
                val = alertpanel(_("No more new messages"),
                                 _("No new message found. "
                                   "Go to next folder?"),
-                                _("Yes"), _("Search again"), _("No"));
+                                GTK_STOCK_YES, _("Search again"),
+                                GTK_STOCK_NO);
                if (val == G_ALERTDEFAULT) {
                        g_signal_stop_emission_by_name(G_OBJECT(ctree),"key_press_event");
                        folderview_select_next_unread(summaryview->folderview);
@@ -1396,7 +1432,7 @@ void summary_select_prev_marked(SummaryView *summaryview)
                val = alertpanel(_("No more marked messages"),
                                 _("No marked message found. "
                                   "Search from the end?"),
-                                _("Yes"), _("No"), NULL);
+                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (val != G_ALERTDEFAULT) return;
                node = summary_find_prev_flagged_msg(summaryview, NULL,
                                                     MSG_MARKED, TRUE);
@@ -1421,7 +1457,7 @@ void summary_select_next_marked(SummaryView *summaryview)
                val = alertpanel(_("No more marked messages"),
                                 _("No marked message found. "
                                   "Search from the beginning?"),
-                                _("Yes"), _("No"), NULL);
+                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (val != G_ALERTDEFAULT) return;
                node = summary_find_next_flagged_msg(summaryview, NULL,
                                                     MSG_MARKED, TRUE);
@@ -1446,7 +1482,7 @@ void summary_select_prev_labeled(SummaryView *summaryview)
                val = alertpanel(_("No more labeled messages"),
                                 _("No labeled message found. "
                                   "Search from the end?"),
-                                _("Yes"), _("No"), NULL);
+                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (val != G_ALERTDEFAULT) return;
                node = summary_find_prev_flagged_msg(summaryview, NULL,
                                                     MSG_CLABEL_FLAG_MASK, TRUE);
@@ -1471,7 +1507,7 @@ void summary_select_next_labeled(SummaryView *summaryview)
                val = alertpanel(_("No more labeled messages"),
                                 _("No labeled message found. "
                                   "Search from the beginning?"),
-                                _("Yes"), _("No"), NULL);
+                                GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (val != G_ALERTDEFAULT) return;
                node = summary_find_next_flagged_msg(summaryview, NULL,
                                                     MSG_CLABEL_FLAG_MASK, TRUE);
@@ -1520,6 +1556,8 @@ void summary_select_node(SummaryView *summaryview, GtkCTreeNode *node,
                        summaryview->displayed = NULL;
                summaryview->display_msg = display_msg;
                gtk_sctree_select(GTK_SCTREE(ctree), node);
+               if (summaryview->selected == NULL)
+                       summaryview->selected = node;
        }
 }
 
@@ -1803,7 +1841,7 @@ static void summary_status_show(SummaryView *summaryview)
        off_t sel_size = 0;
        MsgInfo *msginfo;
        gchar *name;
-
+       
        if (!summaryview->folder_item) {
                gtk_label_set_text(GTK_LABEL(summaryview->statlabel_folder), "");
                gtk_label_set_text(GTK_LABEL(summaryview->statlabel_select), "");
@@ -1812,7 +1850,7 @@ static void summary_status_show(SummaryView *summaryview)
        }
 
        rowlist = GTK_CLIST(summaryview->ctree)->selection;
-       for (cur = rowlist; cur != NULL; cur = cur->next) {
+       for (cur = rowlist; cur != NULL && cur->data != NULL; cur = cur->next) {
                msginfo = gtk_ctree_node_get_row_data
                        (GTK_CTREE(summaryview->ctree),
                         GTK_CTREE_NODE(cur->data));
@@ -2044,12 +2082,13 @@ void summary_sort(SummaryView *summaryview,
        if (summaryview->sort_key == SORT_BY_NONE)
                return;
 
-       if(cmp_func != NULL) {
+       if (cmp_func != NULL) {
                debug_print("Sorting summary...");
                STATUSBAR_PUSH(summaryview->mainwin, _("Sorting summary..."));
 
                main_window_cursor_wait(summaryview->mainwin);
 
+                gtk_clist_freeze(clist);
                gtk_clist_set_compare_func(clist, cmp_func);
 
                gtk_clist_set_sort_type(clist, (GtkSortType)sort_type);
@@ -2059,6 +2098,7 @@ void summary_sort(SummaryView *summaryview,
                gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
 
                main_window_cursor_normal(summaryview->mainwin);
+                gtk_clist_thaw(clist);
 
                debug_print("done.\n");
                STATUSBAR_POP(summaryview->mainwin);
@@ -2107,10 +2147,11 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
 {
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        MsgInfo *msginfo;
-               GtkCTreeNode *node = NULL;
+       GtkCTreeNode *node = NULL;
        GHashTable *msgid_table;
        GHashTable *subject_table;
        GSList * cur;
+       START_TIMING("summary_set_ctree_from_list");
        
        if (!mlist) return;
 
@@ -2119,6 +2160,9 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
                       _("Setting summary from message data..."));
        gdk_flush();
 
+       g_signal_handlers_block_by_func(G_OBJECT(ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
+
        msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
        summaryview->msgid_table = msgid_table;
        subject_table = g_hash_table_new(g_str_hash, g_str_equal);
@@ -2127,7 +2171,7 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
        if (prefs_common.use_addr_book)
                start_address_completion();
        
-       for (cur = mlist ; cur != NULL; cur = cur->next) {
+       for (cur = mlist ; cur != NULL && cur->data != NULL; cur = cur->next) {
                msginfo = (MsgInfo *)cur->data;
                msginfo->threadscore = msginfo->score;
        }
@@ -2145,7 +2189,7 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
                }
 
                g_node_destroy(root);
-
+                
                summary_thread_init(summaryview);
        } else {
                gchar *text[N_SUMMARY_COLS];
@@ -2194,6 +2238,21 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
                debug_print("\tsubject hash table size = %d\n",
                            g_hash_table_size(subject_table));
        }
+
+       summary_sort(summaryview, summaryview->sort_key, summaryview->sort_type);
+
+       node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
+
+       while (prefs_common.bold_unread && node) {
+               GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
+               if (GTK_CTREE_ROW(node)->children)
+                       summary_set_row_marks(summaryview, node);
+               node = next;
+       }
+
+       g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
+       END_TIMING();
 }
 
 static gchar *summary_complete_address(const gchar *addr)
@@ -2305,13 +2364,52 @@ static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row)
        summary_display_msg_full(summaryview, row, FALSE, FALSE);
 }
 
+static void msginfo_mark_as_read (SummaryView *summaryview, MsgInfo *msginfo,
+                                     GtkCTreeNode *row)
+{
+       g_return_if_fail(summaryview != NULL);
+       g_return_if_fail(msginfo != NULL);
+       g_return_if_fail(row != NULL);
+
+       if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags) 
+       && procmsg_msg_has_marked_parent(msginfo))
+               summaryview->unreadmarked--;
+       if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
+               procmsg_msginfo_unset_flags
+                       (msginfo, MSG_NEW | MSG_UNREAD, 0);
+               summary_set_row_marks(summaryview, row);
+               gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
+               summary_status_show(summaryview);
+       }
+}
+
+typedef struct  {
+       MsgInfo *msginfo;
+       SummaryView *summaryview;
+       GtkCTreeNode *row;
+} MarkAsReadData;
+
+static int msginfo_mark_as_read_timeout(void *data)
+{
+       MarkAsReadData *mdata = (MarkAsReadData *)data;
+       if (!mdata)
+               return FALSE;
+       
+       if (mdata->msginfo == summary_get_selected_msg(mdata->summaryview))
+               msginfo_mark_as_read(mdata->summaryview, mdata->msginfo,
+                                    mdata->row); 
+
+       g_free(mdata);
+
+       return FALSE;   
+}
+
 static void summary_display_msg_full(SummaryView *summaryview,
                                     GtkCTreeNode *row,
                                     gboolean new_window, gboolean all_headers)
 {
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        MsgInfo *msginfo;
-       MsgFlags flags;
        gint val;
 
        if (!new_window) {
@@ -2342,28 +2440,26 @@ static void summary_display_msg_full(SummaryView *summaryview,
                msgview = summaryview->messageview;
 
                summaryview->displayed = row;
-               if (!messageview_is_visible(msgview))
+               if (!messageview_is_visible(msgview)) {
                        main_window_toggle_message_view(summaryview->mainwin);
+                       GTK_EVENTS_FLUSH();
+               }
                val = messageview_show(msgview, msginfo, all_headers);
                if (GTK_CLIST(msgview->mimeview->ctree)->row_list == NULL)
                        gtk_widget_grab_focus(summaryview->ctree);
-               GTK_EVENTS_FLUSH();
                gtkut_ctree_node_move_if_on_the_edge(ctree, row);
        }
 
-       if (val == 0 &&
-           (new_window || !prefs_common.mark_as_read_on_new_window)) {
-               if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags) 
-               && procmsg_msg_has_marked_parent(msginfo))
-                       summaryview->unreadmarked--;
-               if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
-                       procmsg_msginfo_unset_flags
-                               (msginfo, MSG_NEW | MSG_UNREAD, 0);
-                       summary_set_row_marks(summaryview, row);
-                       gtk_clist_thaw(GTK_CLIST(ctree));
-                       summary_status_show(summaryview);
-                       
-                       flags = msginfo->flags;
+       if (val == 0 && MSG_IS_UNREAD(msginfo->flags)) {
+               if (prefs_common.mark_as_read_delay) {
+                       MarkAsReadData *data = g_new0(MarkAsReadData, 1);
+                       data->summaryview = summaryview;
+                       data->msginfo = msginfo;
+                       data->row = row;
+                       gtk_timeout_add(prefs_common.mark_as_read_delay * 1000,
+                               msginfo_mark_as_read_timeout, data);
+               } else if (new_window || !prefs_common.mark_as_read_on_new_window) {
+                       msginfo_mark_as_read(summaryview, msginfo, row);
                }
        }
 
@@ -2436,37 +2532,37 @@ void summary_reedit(SummaryView *summaryview)
        compose_reedit(msginfo);
 }
 
-void summary_step(SummaryView *summaryview, GtkScrollType type)
+gboolean summary_step(SummaryView *summaryview, GtkScrollType type)
 {
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GtkCTreeNode *node;
 
-       if (summary_is_locked(summaryview)) return;
+       if (summary_is_locked(summaryview)) return FALSE;
 
        if (type == GTK_SCROLL_STEP_FORWARD) {
                node = gtkut_ctree_node_next(ctree, summaryview->selected);
                if (node)
                        gtkut_ctree_expand_parent_all(ctree, node);
                else
-                       return;
+                       return FALSE;
        } else {
                if (summaryview->selected) {
                        node = GTK_CTREE_NODE_PREV(summaryview->selected);
-                       if (!node) return;
+                       if (!node) return FALSE;
                }
        }
 
        if (messageview_is_visible(summaryview->messageview))
                summaryview->display_msg = TRUE;
 
-       g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
-                             type, 0.0);
+       g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical", type, 0.0);
 
        if (GTK_CLIST(ctree)->selection)
                gtk_sctree_set_anchor_row
                        (GTK_SCTREE(ctree),
                         GTK_CTREE_NODE(GTK_CLIST(ctree)->selection->data));
 
+       return TRUE;
 }
 
 void summary_toggle_view(SummaryView *summaryview)
@@ -2515,7 +2611,6 @@ static gboolean summary_have_unread_children(SummaryView *summaryview,
                        return TRUE;
                node = GTK_CTREE_ROW(node)->sibling;
        }
-
        return FALSE;
 }
 
@@ -2615,7 +2710,10 @@ static void summary_set_row_marks(SummaryView *summaryview, GtkCTreeNode *row)
                gtk_ctree_node_set_text(ctree, row, col_pos[S_COL_LOCKED], NULL);
        }
 
-       if (MSG_IS_SIGNED(flags)) {
+       if (MSG_IS_WITH_ATTACHMENT(flags) && MSG_IS_SIGNED(flags)) {
+               gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
+                                         clipgpgsignedxpm, clipgpgsignedxpmmask);
+       } else if (MSG_IS_SIGNED(flags)) {
                gtk_ctree_node_set_pixmap(ctree, row, col_pos[S_COL_MIME],
                                          gpgsignedxpm, gpgsignedxpmmask);
        } else if (MSG_IS_WITH_ATTACHMENT(flags) && MSG_IS_ENCRYPTED(flags)) {
@@ -2642,10 +2740,11 @@ static void summary_set_row_marks(SummaryView *summaryview, GtkCTreeNode *row)
 void summary_set_marks_selected(SummaryView *summaryview)
 {
        GList *cur;
-
-       for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL;
+       summary_lock(summaryview);
+       for (cur = GTK_CLIST(summaryview->ctree)->selection; cur != NULL && cur->data != NULL;
             cur = cur->next)
                summary_set_row_marks(summaryview, GTK_CTREE_NODE(cur->data));
+       summary_unlock(summaryview);
 }
 
 static void summary_mark_row(SummaryView *summaryview, GtkCTreeNode *row)
@@ -2712,10 +2811,13 @@ void summary_mark(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       folder_item_set_batch(summaryview->folder_item, TRUE);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_mark_row(summaryview, GTK_CTREE_NODE(cur->data));
+       folder_item_set_batch(summaryview->folder_item, FALSE);
+       END_LONG_OPERATION(summaryview);
 
-       /* summary_step(summaryview, GTK_SCROLL_STEP_FORWARD); */
        summary_status_show(summaryview);
 }
 
@@ -2745,11 +2847,13 @@ void summary_mark_as_read(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       folder_item_set_batch(summaryview->folder_item, TRUE);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_mark_row_as_read(summaryview,
                                         GTK_CTREE_NODE(cur->data));
-       folder_item_update_thaw();
+       folder_item_set_batch(summaryview->folder_item, FALSE);
+       END_LONG_OPERATION(summaryview);
        
        summary_status_show(summaryview);
 }
@@ -2759,11 +2863,11 @@ void summary_msgs_lock(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_lock_row(summaryview,
                                         GTK_CTREE_NODE(cur->data));
-       folder_item_update_thaw();
+       END_LONG_OPERATION(summaryview);
        
        summary_status_show(summaryview);
 }
@@ -2773,11 +2877,11 @@ void summary_msgs_unlock(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_unlock_row(summaryview,
                                   GTK_CTREE_NODE(cur->data));
-       folder_item_update_thaw();
+       END_LONG_OPERATION(summaryview);
        
        summary_status_show(summaryview);
 }
@@ -2785,17 +2889,21 @@ void summary_msgs_unlock(SummaryView *summaryview)
 void summary_mark_all_read(SummaryView *summaryview)
 {
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
-       GtkCList *clist = GTK_CLIST(summaryview->ctree);
        GtkCTreeNode *node;
 
-       gtk_clist_freeze(clist);
-       folder_item_update_freeze();
+       START_LONG_OPERATION(summaryview);
+       folder_item_set_batch(summaryview->folder_item, TRUE);
        for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
             node = gtkut_ctree_node_next(ctree, node))
                summary_mark_row_as_read(summaryview, node);
-       folder_item_update_thaw();
-       gtk_clist_thaw(clist);
-
+       folder_item_set_batch(summaryview->folder_item, FALSE);
+       for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list); node != NULL;
+            node = gtkut_ctree_node_next(ctree, node)) {
+               if (!GTK_CTREE_ROW(node)->expanded)
+                       summary_set_row_marks(summaryview, node);
+       }
+       END_LONG_OPERATION(summaryview);
+       
        summary_status_show(summaryview);
 }
 
@@ -2828,11 +2936,14 @@ void summary_mark_as_unread(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       folder_item_set_batch(summaryview->folder_item, TRUE);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; 
+               cur = cur->next)
                summary_mark_row_as_unread(summaryview,
                                           GTK_CTREE_NODE(cur->data));
-       folder_item_update_thaw();
+       folder_item_set_batch(summaryview->folder_item, FALSE);
+       END_LONG_OPERATION(summaryview);
        
        summary_status_show(summaryview);
 }
@@ -2867,7 +2978,7 @@ static gboolean check_permission(SummaryView *summaryview, MsgInfo * msginfo)
                                        g_strdup_printf("%s",
                                                        account->address);
                        
-                       if (g_strcasecmp(from_name, msginfo->from) == 0) {
+                       if (g_utf8_collate(from_name, msginfo->from) == 0) {
                                g_free(from_name);
                                found = TRUE;
                                break;
@@ -2966,13 +3077,16 @@ void summary_delete(SummaryView *summaryview)
 
                aval = alertpanel(_("Delete message(s)"),
                                  _("Do you really want to delete message(s) from the trash?"),
-                                 _("Yes"), _("No"), NULL);
+                                 GTK_STOCK_YES, GTK_STOCK_NO, NULL);
                if (aval != G_ALERTDEFAULT) return;
 
-               for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
+               for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; 
+                    cur = cur->next) {
                        GtkCTreeNode *row = GTK_CTREE_NODE(cur->data);
                        msginfo = gtk_ctree_node_get_row_data(ctree, row);
-                       partial_mark_for_delete(msginfo);
+                       if (msginfo->total_size != 0 && 
+                           msginfo->size != (off_t)msginfo->total_size)
+                               partial_mark_for_delete(msginfo);
                }
        
        }
@@ -2981,12 +3095,16 @@ void summary_delete(SummaryView *summaryview)
 
        /* next code sets current row focus right. We need to find a row
         * that is not deleted. */
-       folder_item_update_freeze();     
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next) {
+       summary_lock(summaryview);
+       folder_item_update_freeze();
+       gtk_clist_freeze(GTK_CLIST(summaryview->ctree)); 
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next) {
                sel_last = GTK_CTREE_NODE(cur->data);
                summary_delete_row(summaryview, sel_last);
        }
        folder_item_update_thaw();
+       gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
+       summary_unlock(summaryview);
 
        node = summary_find_next_msg(summaryview, sel_last);
        if (!node)
@@ -3032,9 +3150,13 @@ void summary_unmark(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       folder_item_set_batch(summaryview->folder_item, TRUE);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_unmark_row(summaryview, GTK_CTREE_NODE(cur->data));
-
+       folder_item_set_batch(summaryview->folder_item, FALSE);
+       END_LONG_OPERATION(summaryview);
+       
        summary_status_show(summaryview);
 }
 
@@ -3047,6 +3169,9 @@ static void summary_move_row_to(SummaryView *summaryview, GtkCTreeNode *row,
        g_return_if_fail(to_folder != NULL);
 
        msginfo = gtk_ctree_node_get_row_data(ctree, row);
+       if (MSG_IS_LOCKED(msginfo->flags))
+               return;
+
        procmsg_msginfo_set_to_folder(msginfo, to_folder);
        if (MSG_IS_DELETED(msginfo->flags))
                summaryview->deleted--;
@@ -3077,20 +3202,23 @@ void summary_move_selected_to(SummaryView *summaryview, FolderItem *to_folder)
        if (summary_is_locked(summaryview)) return;
 
        if (summaryview->folder_item == to_folder) {
-               alertpanel_notice(_("Destination is same as current folder."));
+               alertpanel_error(_("Destination is same as current folder."));
                return;
        }
 
+       START_LONG_OPERATION(summaryview);
+
        for (cur = GTK_CLIST(summaryview->ctree)->selection;
-            cur != NULL; cur = cur->next)
+            cur != NULL && cur->data != NULL; cur = cur->next)
                summary_move_row_to
                        (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
 
-       summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
+       END_LONG_OPERATION(summaryview);
 
-       if (prefs_common.immediate_exec)
+       if (prefs_common.immediate_exec) {
+               summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
                summary_execute(summaryview);
-       else {
+       else {
                summary_status_show(summaryview);
        }
        
@@ -3153,16 +3281,20 @@ void summary_copy_selected_to(SummaryView *summaryview, FolderItem *to_folder)
        if (summary_is_locked(summaryview)) return;
 
        if (summaryview->folder_item == to_folder) {
-               alertpanel_notice
+               alertpanel_error
                        (_("Destination to copy is same as current folder."));
                return;
        }
 
+       START_LONG_OPERATION(summaryview);
+
        for (cur = GTK_CLIST(summaryview->ctree)->selection;
-            cur != NULL; cur = cur->next)
+            cur != NULL && cur->data != NULL; cur = cur->next)
                summary_copy_row_to
                        (summaryview, GTK_CTREE_NODE(cur->data), to_folder);
 
+       END_LONG_OPERATION(summaryview);
+
        summary_step(summaryview, GTK_SCROLL_STEP_FORWARD);
 
        if (prefs_common.immediate_exec)
@@ -3248,6 +3380,7 @@ void summary_save_as(SummaryView *summaryview)
        MsgInfo *msginfo;
        gchar *filename = NULL;
        gchar *src, *dest;
+       gchar *tmp;
 
        AlertValue aval = 0;
 
@@ -3260,41 +3393,41 @@ void summary_save_as(SummaryView *summaryview)
                subst_for_filename(filename);
        }
        if (g_getenv ("G_BROKEN_FILENAMES") &&
-           filename && g_utf8_validate(filename, -1, NULL)) {
+           filename && !g_utf8_validate(filename, -1, NULL)) {
                gchar *oldstr = filename;
                filename = conv_codeset_strdup(filename,
-                                              CS_UTF_8,
-                                              conv_get_current_charset_str());
+                                              conv_get_locale_charset_str(),
+                                              CS_UTF_8);
                if (!filename) {
                        g_warning("summary_save_as(): faild to convert character set.");
                        filename = g_strdup(oldstr);
                }
-               dest = filesel_select_file(_("Save as"), filename);
+               dest = filesel_select_file_save(_("Save as"), filename);
                g_free(filename);
        } else
-               dest = filesel_select_file(_("Save as"), filename);
+               dest = filesel_select_file_save(_("Save as"), filename);
        filename = NULL;
        if (!dest) return;
        if (is_file_exist(dest)) {
                aval = alertpanel(_("Append or Overwrite"),
                                  _("Append or overwrite existing file?"),
-                                 _("Append"), _("Overwrite"), _("Cancel"));
+                                 _("Append"), _("Overwrite"),
+                                 GTK_STOCK_CANCEL);
                if (aval != 0 && aval != 1)
                        return;
        }
 
        src = procmsg_get_message_file(msginfo);
+       tmp = g_path_get_basename(dest);
+
        if ( aval==0 ) { /* append */
                if (append_file(src, dest, TRUE) < 0) 
-                       alertpanel_error(_("Can't save the file `%s'."),
-                                        g_basename(dest));
+                       alertpanel_error(_("Can't save the file `%s'."), tmp);
        } else { /* overwrite */
                if (copy_file(src, dest, TRUE) < 0)
-                       alertpanel_error(_("Can't save the file `%s'."),
-                                        g_basename(dest));
+                       alertpanel_error(_("Can't save the file `%s'."), tmp);
        }
        g_free(src);
-
        
        /*
         * If two or more msgs are selected,
@@ -3307,11 +3440,12 @@ void summary_save_as(SummaryView *summaryview)
                        if (!msginfo) break;
                        src = procmsg_get_message_file(msginfo);
                        if (append_file(src, dest, TRUE) < 0)
-                               alertpanel_error(_("Can't save the file `%s'."),
-                                                g_basename(dest));
+                               alertpanel_error(_("Can't save the file `%s'."), tmp);
                }
                g_free(src);
        }
+       g_free(dest);
+       g_free(tmp);
 }
 
 void summary_print(SummaryView *summaryview)
@@ -3338,7 +3472,7 @@ void summary_print(SummaryView *summaryview)
                return;
        }
 
-       for (cur = clist->selection; cur != NULL; cur = cur->next) {
+       for (cur = clist->selection; cur != NULL && cur->data != NULL; cur = cur->next) {
                msginfo = gtk_ctree_node_get_row_data
                        (ctree, GTK_CTREE_NODE(cur->data));
                if (msginfo) procmsg_print_message(msginfo, cmdline);
@@ -3365,11 +3499,13 @@ gboolean summary_execute(SummaryView *summaryview)
                summary_unthread_for_exec(summaryview);
 
        folder_item_update_freeze();
+       gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
        summary_execute_move(summaryview);
        summary_execute_copy(summaryview);
        summary_execute_delete(summaryview);
        folder_item_update_thaw();
-
+       gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
+       
        node = GTK_CTREE_NODE(clist->row_list);
        for (; node != NULL; node = next) {
                next = gtkut_ctree_node_next(ctree, node);
@@ -3439,7 +3575,7 @@ static void summary_execute_move(SummaryView *summaryview)
        if (summaryview->mlist) {
                procmsg_move_messages(summaryview->mlist);
 
-               for (cur = summaryview->mlist; cur != NULL; cur = cur->next)
+               for (cur = summaryview->mlist; cur != NULL && cur->data != NULL; cur = cur->next)
                        procmsg_msginfo_free((MsgInfo *)cur->data);
                g_slist_free(summaryview->mlist);
                summaryview->mlist = NULL;
@@ -3521,7 +3657,7 @@ static void summary_execute_delete(SummaryView *summaryview)
        else
                folder_item_move_msgs(trash, summaryview->mlist);
 
-       for (cur = summaryview->mlist; cur != NULL; cur = cur->next)
+       for (cur = summaryview->mlist; cur != NULL && cur->data != NULL; cur = cur->next)
                procmsg_msginfo_free((MsgInfo *)cur->data);
 
        g_slist_free(summaryview->mlist);
@@ -3565,6 +3701,7 @@ void summary_thread_build(SummaryView *summaryview)
        GtkCTreeNode *next;
        GtkCTreeNode *parent;
        MsgInfo *msginfo;
+        GSList *reflist;
 
        summary_lock(summaryview);
 
@@ -3584,12 +3721,18 @@ void summary_thread_build(SummaryView *summaryview)
 
                parent = NULL;
 
-               /* alfons - claws seems to prefer subject threading before
-                * inreplyto threading. we should look more deeply in this,
-                * because inreplyto should have precedence... */
                if (msginfo && msginfo->inreplyto) {
                        parent = g_hash_table_lookup(summaryview->msgid_table,
                                                     msginfo->inreplyto);
+                                                     
+                       if (!parent && msginfo->references) {
+                               for (reflist = msginfo->references;
+                                    reflist != NULL; reflist = reflist->next)
+                                       if ((parent = g_hash_table_lookup
+                                               (summaryview->msgid_table,
+                                                reflist->data)))
+                                               break;
+                       }
                }
 
                if (prefs_common.thread_by_subject && parent == NULL) {
@@ -3600,24 +3743,11 @@ void summary_thread_build(SummaryView *summaryview)
 
                if (parent && parent != node) {
                        gtk_ctree_move(ctree, node, parent, NULL);
-                       gtk_ctree_expand(ctree, node);
                }
 
                node = next;
        }
 
-       node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
-
-       while (node) {
-               next = GTK_CTREE_NODE_NEXT(node);
-               if (!summaryview->thread_collapsed)
-                       gtk_ctree_expand(ctree, node);
-               if (prefs_common.bold_unread &&
-                   GTK_CTREE_ROW(node)->children)
-                       summary_set_row_marks(summaryview, node);
-               node = next;
-       }
-
        gtkut_ctree_set_focus_row(ctree, summaryview->selected);
 
        gtk_clist_thaw(GTK_CLIST(ctree));
@@ -3640,20 +3770,17 @@ static void summary_thread_init(SummaryView *summaryview)
        GtkCTreeNode *next;
 
        if (!summaryview->thread_collapsed) {
+               g_signal_handlers_block_by_func(G_OBJECT(ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
                while (node) {
                        next = GTK_CTREE_ROW(node)->sibling;
                        if (GTK_CTREE_ROW(node)->children)
-                               gtk_ctree_expand(ctree, node);
-                       node = next;
-               }
-       } else if (prefs_common.bold_unread) {
-               while (node) {
-                       next = GTK_CTREE_ROW(node)->sibling;
-                       if (GTK_CTREE_ROW(node)->children)
-                               summary_set_row_marks(summaryview, node);
+                               gtk_ctree_expand_recursive(ctree, node);
                        node = next;
                }
-       }
+               g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
+       } 
 }
 
 void summary_unthread(SummaryView *summaryview)
@@ -3762,15 +3889,21 @@ void summary_expand_threads(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GtkCTreeNode *node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 
+       g_signal_handlers_block_by_func(G_OBJECT(ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
        gtk_clist_freeze(GTK_CLIST(ctree));
 
        while (node) {
-               if (GTK_CTREE_ROW(node)->children)
+               if (GTK_CTREE_ROW(node)->children) {
                        gtk_ctree_expand(ctree, node);
+                       summary_set_row_marks(summaryview, node);
+               }
                node = GTK_CTREE_NODE_NEXT(node);
        }
 
        gtk_clist_thaw(GTK_CLIST(ctree));
+       g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
+                                        G_CALLBACK(summary_tree_expanded), summaryview);
 
        summaryview->thread_collapsed = FALSE;
 
@@ -3799,11 +3932,6 @@ void summary_collapse_threads(SummaryView *summaryview)
 
 void summary_filter(SummaryView *summaryview, gboolean selected_only)
 {
-       if (!filtering_rules) {
-               alertpanel_error(_("No filter rules defined."));
-               return;
-       }
-
        summary_lock(summaryview);
 
        folder_item_update_freeze();
@@ -3814,37 +3942,21 @@ void summary_filter(SummaryView *summaryview, gboolean selected_only)
 
        gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
 
-       if (filtering_rules == NULL) {
+       if (selected_only) {
+               GList *cur;
+
+               for (cur = GTK_CLIST(summaryview->ctree)->selection;
+                    cur != NULL && cur->data != NULL; cur = cur->next) {
+                       summary_filter_func(GTK_CTREE(summaryview->ctree),
+                                           GTK_CTREE_NODE(cur->data),
+                                           summaryview);
+               }
+       } else {
                gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
                                        GTK_CTREE_FUNC(summary_filter_func),
                                        summaryview);
-               
-               gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
-               
-               if (prefs_common.immediate_exec) {
-                       summary_unlock(summaryview);
-                       summary_execute(summaryview);
-                       summary_lock(summaryview);
-               } else
-                       summary_status_show(summaryview);
-       }
-       else {
-               if (selected_only) {
-                       GList *cur;
-
-                       for (cur = GTK_CLIST(summaryview->ctree)->selection;
-                            cur != NULL; cur = cur->next) {
-                               summary_filter_func(GTK_CTREE(summaryview->ctree),
-                                                   GTK_CTREE_NODE(cur->data),
-                                                   summaryview);
-                       }
-               } else {
-                       gtk_ctree_pre_recursive(GTK_CTREE(summaryview->ctree), NULL,
-                                               GTK_CTREE_FUNC(summary_filter_func),
-                                               summaryview);
-               }
-               gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
        }
+       gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
 
        folder_item_update_thaw();
        debug_print("done.\n");
@@ -3857,16 +3969,19 @@ void summary_filter(SummaryView *summaryview, gboolean selected_only)
         * CLAWS: summary_show() only valid after having a lock. ideally
         * we want the lock to be context aware...  
         */
-       if (filtering_rules) {
-               summary_show(summaryview, summaryview->folder_item);
-       }               
+       summary_show(summaryview, summaryview->folder_item);
 }
 
 static void summary_filter_func(GtkCTree *ctree, GtkCTreeNode *node,
                                gpointer data)
 {
+       MailFilteringData mail_filtering_data;
        MsgInfo *msginfo = GTKUT_CTREE_NODE_GET_ROW_DATA(node);
 
+       mail_filtering_data.msginfo = msginfo;
+       if (hooks_invoke(MAIL_MANUAL_FILTERING_HOOKLIST, &mail_filtering_data))
+               return;
+
        filter_message_by_msginfo(filtering_rules, msginfo);
 }
 
@@ -3992,13 +4107,12 @@ void summary_set_colorlabel(SummaryView *summaryview, guint labelcolor,
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       main_window_cursor_wait(summaryview->mainwin);
-       folder_item_update_freeze();
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                summary_set_row_colorlabel(summaryview,
                                           GTK_CTREE_NODE(cur->data), labelcolor);
-       folder_item_update_thaw();
-       main_window_cursor_normal(summaryview->mainwin);
+       END_LONG_OPERATION(summaryview);
 }
 
 static void summary_colorlabel_menu_item_activate_item_cb(GtkMenuItem *menu_item,
@@ -4027,7 +4141,7 @@ static void summary_colorlabel_menu_item_activate_item_cb(GtkMenuItem *menu_item
                          GINT_TO_POINTER(1));
 
        /* clear items. get item pointers. */
-       for (n = 0, cur = menu->children; cur != NULL; cur = cur->next) {
+       for (n = 0, cur = menu->children; cur != NULL && cur->data != NULL; cur = cur->next) {
                if (GTK_IS_CHECK_MENU_ITEM(cur->data)) {
                        gtk_check_menu_item_set_active
                                (GTK_CHECK_MENU_ITEM(cur->data), FALSE);
@@ -4176,7 +4290,7 @@ static GtkWidget *summary_ctree_create(SummaryView *summaryview)
        gtk_ctree_set_expander_style(GTK_CTREE(ctree),
                                     GTK_CTREE_EXPANDER_TRIANGLE);
 #endif
-       gtk_ctree_set_indent(GTK_CTREE(ctree), 16);
+       gtk_ctree_set_indent(GTK_CTREE(ctree), 12);
        g_object_set_data(G_OBJECT(ctree), "user_data", summaryview);
 
        for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
@@ -4268,6 +4382,7 @@ void summary_set_column_order(SummaryView *summaryview)
        summary_show(summaryview, item);
 
        summary_select_by_msgnum(summaryview, selected_msgnum);
+
        summaryview->displayed = summary_find_msg_by_msgnum(summaryview, displayed_msgnum);
        if (!summaryview->displayed)
                messageview_clear(summaryview->messageview);
@@ -4292,12 +4407,12 @@ static gboolean summary_button_pressed(GtkWidget *ctree, GdkEventButton *event,
        if (!event) return FALSE;
 
        if (event->button == 3) {
-               summaryview->display_msg = TRUE;
+               summaryview->display_msg = messageview_is_visible(summaryview->messageview);
                /* right clicked */
                gtk_menu_popup(GTK_MENU(summaryview->popupmenu), NULL, NULL,
                               NULL, NULL, event->button, event->time);
        } else if (event->button == 2) {
-               summaryview->display_msg = TRUE;
+               summaryview->display_msg = messageview_is_visible(summaryview->messageview);
        } else if (event->button == 1) {
                if (!prefs_common.emulate_emacs &&
                    messageview_is_visible(summaryview->messageview))
@@ -4322,13 +4437,14 @@ void summary_pass_key_press_event(SummaryView *summaryview, GdkEventKey *event)
        if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 
 static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
-                               SummaryView *summaryview)
+                                   SummaryView *summaryview)
 {
        GtkCTree *ctree = GTK_CTREE(widget);
        GtkCTreeNode *node;
        MessageView *messageview;
        TextView *textview;
        GtkAdjustment *adj;
+       gboolean mod_pressed;
 
        if (summary_is_locked(summaryview)) return TRUE;
        if (!event) return TRUE;
@@ -4346,25 +4462,25 @@ static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
        case GDK_Escape:
                gtk_widget_grab_focus(summaryview->folderview->ctree);
                return TRUE;
-       case GDK_Up:
-       case GDK_Down:
+       case GDK_Home:
+       case GDK_End:
                if ((node = summaryview->selected) != NULL) {
                        GtkCTreeNode *next = NULL;
-                       next = (event->keyval == GDK_Down)
-                                       ? gtkut_ctree_node_next(ctree, node)
-                                       : gtkut_ctree_node_prev(ctree, node);
+                       next = (event->keyval == GDK_Home)
+                                       ? gtk_ctree_node_nth(ctree, 0)
+                                       : gtk_ctree_node_nth(ctree, 
+                                               g_list_length(GTK_CLIST(ctree)->row_list)-1);
                        if (next) {
                                gtk_sctree_select_with_state
                                        (GTK_SCTREE(ctree), next, event->state);
-                               
+
                                /* Deprecated - what are the non-deprecated equivalents? */
                                if (gtk_ctree_node_is_visible(GTK_CTREE(ctree), next) != GTK_VISIBILITY_FULL)
                                        gtk_ctree_node_moveto(GTK_CTREE(ctree), next, 0, 0, 0);
-                                       
-                               return TRUE;
+                               summaryview->selected = next;
                        }
                }
-               break;
+               return TRUE;
        default:
                break;
        }
@@ -4380,6 +4496,9 @@ static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
        messageview = summaryview->messageview;
        textview = messageview->mimeview->textview;
 
+       mod_pressed =
+               ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
+
        switch (event->keyval) {
        case GDK_space:         /* Page down or go to the next */
                if (event->state & GDK_SHIFT_MASK) 
@@ -4390,9 +4509,14 @@ static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
                                                    summaryview->selected);
                                break;
                        }
-                       if (!textview_scroll_page(textview, FALSE))
-                               summary_select_next_unread(summaryview);
-               }                               
+                       if (mod_pressed) {
+                               if (!textview_scroll_page(textview, TRUE))
+                                       summary_select_prev_unread(summaryview);
+                       } else {
+                               if (!textview_scroll_page(textview, FALSE))
+                                       summary_select_next_unread(summaryview);
+                       }                               
+               }
                break;
        case GDK_BackSpace:     /* Page up */
                textview_scroll_page(textview, TRUE);
@@ -4403,8 +4527,7 @@ static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
                                            summaryview->selected);
                        break;
                }
-               textview_scroll_one_line
-                       (textview, (event->state & GDK_MOD1_MASK) != 0);
+               textview_scroll_one_line(textview, mod_pressed);
                break;
        case GDK_Delete:
                BREAK_ON_MODIFIER_KEY();
@@ -4413,20 +4536,14 @@ static gboolean summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
        default:
                break;
        }
-       return TRUE;
+       return FALSE;
 }
 
 static void quicksearch_execute_cb(QuickSearch *quicksearch, gpointer data)
 {
        SummaryView *summaryview = data;
-       FolderItemUpdateData source;
 
        summary_show(summaryview, summaryview->folder_item);
-                   
-       source.item = summaryview->folder_item;
-       source.update_flags = F_ITEM_UPDATE_ICON;
-       hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);                             
-
 }
 
 static void tog_searchbar_cb(GtkWidget *w, gpointer data)
@@ -4458,6 +4575,12 @@ static void summary_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
                                  SummaryView *summaryview)
 {
        summary_set_row_marks(summaryview, node);
+       while (prefs_common.bold_unread && node) {
+               GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
+               if (GTK_CTREE_ROW(node)->children)
+                       summary_set_row_marks(summaryview, node);
+               node = next;
+       }
 }
 
 static void summary_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
@@ -4470,8 +4593,16 @@ static void summary_selected(GtkCTree *ctree, GtkCTreeNode *row,
                             gint column, SummaryView *summaryview)
 {
        MsgInfo *msginfo;
+       gboolean marked_unread = FALSE;
 
-       summary_status_show(summaryview);
+       if (summary_is_locked(summaryview))
+               return;
+
+       if (column == -1 && GTK_CLIST(ctree)->selection
+        && GTK_CLIST(ctree)->selection->next) {
+               /* multiple selection */
+               summary_status_show(summaryview);
+       }
 
        if (GTK_CLIST(ctree)->selection &&
            GTK_CLIST(ctree)->selection->next) {
@@ -4504,12 +4635,11 @@ static void summary_selected(GtkCTree *ctree, GtkCTreeNode *row,
                        summary_status_show(summaryview);
                } else if (!MSG_IS_REPLIED(msginfo->flags) &&
                         !MSG_IS_FORWARDED(msginfo->flags)) {
-                       summary_mark_row_as_unread(summaryview, row);
-                       summary_status_show(summaryview);
+                       marked_unread = TRUE;
                } else if (MSG_IS_REPLIED(msginfo->flags)) {
                        summary_find_answers(summaryview, msginfo);
                        return;
-               }
+               } 
                break;
        case S_COL_LOCKED:
                if (MSG_IS_LOCKED(msginfo->flags)) {
@@ -4529,9 +4659,18 @@ static void summary_selected(GtkCTree *ctree, GtkCTreeNode *row,
                summaryview->display_msg = FALSE;
                if (summaryview->displayed != row) {
                        summary_display_msg(summaryview, row);
+                       if (marked_unread) {
+                               summary_mark_row_as_unread(summaryview, row);
+                               summary_status_show(summaryview);
+                       } 
                        return;
                }
        }
+       
+       if (marked_unread) {
+               summary_mark_row_as_unread(summaryview, row);
+               summary_status_show(summaryview);
+       } 
 
        summary_set_menu_sensitive(summaryview);
        toolbar_main_set_sensitive(summaryview->mainwin);
@@ -4577,23 +4716,20 @@ static void summary_reply_cb(SummaryView *summaryview, guint action,
 {
        MessageView *msgview = (MessageView*)summaryview->messageview;
        GSList *msginfo_list;
-       gchar *body;
 
        g_return_if_fail(msgview != NULL);
 
        msginfo_list = summary_get_selection(summaryview);
        g_return_if_fail(msginfo_list != NULL);
-
-       body = messageview_get_selection(msgview);
-
-       compose_reply_mode((ComposeMode)action, msginfo_list, body);
-       g_free(body);
+       compose_reply_from_messageview(msgview, msginfo_list, action);
        g_slist_free(msginfo_list);
 }
 
 static void summary_show_all_header_cb(SummaryView *summaryview,
                                       guint action, GtkWidget *widget)
 {
+       summaryview->messageview->all_headers =
+                       GTK_CHECK_MENU_ITEM(widget)->active;
        summary_display_msg_selected(summaryview,
                                     GTK_CHECK_MENU_ITEM(widget)->active);
 }
@@ -4619,12 +4755,31 @@ static void summary_create_processing_cb(SummaryView *summaryview,
 static void summary_sort_by_column_click(SummaryView *summaryview,
                                         FolderSortKey sort_key)
 {
+       GtkCTreeNode *node = NULL;
+       START_TIMING("summary_sort_by_column_click");
+       g_signal_handlers_block_by_func(G_OBJECT(summaryview->ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
+       gtk_clist_freeze(GTK_CLIST(summaryview->ctree));
        if (summaryview->sort_key == sort_key)
                summary_sort(summaryview, sort_key,
                             summaryview->sort_type == SORT_ASCENDING
                             ? SORT_DESCENDING : SORT_ASCENDING);
        else
                summary_sort(summaryview, sort_key, SORT_ASCENDING);
+
+       gtk_clist_thaw(GTK_CLIST(summaryview->ctree));
+       g_signal_handlers_unblock_by_func(G_OBJECT(summaryview->ctree),
+                                      G_CALLBACK(summary_tree_expanded), summaryview);
+
+       node = GTK_CTREE_NODE(GTK_CLIST(summaryview->ctree)->row_list);
+
+       while (prefs_common.bold_unread && node) {
+               GtkCTreeNode *next = GTK_CTREE_NODE_NEXT(node);
+               if (GTK_CTREE_ROW(node)->children)
+                       summary_set_row_marks(summaryview, node);
+               node = next;
+       }
+       END_TIMING();
 }
 
 static void summary_mark_clicked(GtkWidget *button, SummaryView *summaryview)
@@ -4709,12 +4864,12 @@ static void summary_drag_data_get(GtkWidget        *widget,
                gchar *mail_list = NULL, *tmp1, *tmp2;
 
                for (cur = GTK_CLIST(ctree)->selection;
-                    cur != NULL; cur = cur->next) {
+                    cur != NULL && cur->data != NULL; cur = cur->next) {
                        msginfo = gtk_ctree_node_get_row_data
                                (ctree, GTK_CTREE_NODE(cur->data));
                        tmp2 = procmsg_get_message_file(msginfo);
                        if (!tmp2) continue;
-                       tmp1 = g_strconcat("file:/", tmp2, NULL);
+                       tmp1 = g_strconcat("file://", tmp2, NULL);
                        g_free(tmp2);
 
                        if (!mail_list) {
@@ -4786,7 +4941,7 @@ static gint func_name(GtkCList *clist,                                     \
        if (!msginfo2->var_name)                                         \
                return -1;                                               \
                                                                         \
-       return strcasecmp(msginfo1->var_name, msginfo2->var_name);       \
+       return g_utf8_collate(msginfo1->var_name, msginfo2->var_name);   \
 }
 
 CMP_FUNC_DEF(summary_cmp_by_to, to);
@@ -4828,7 +4983,7 @@ static gint summary_cmp_by_from(GtkCList *clist, gconstpointer ptr1,
        if (!str2)
                return -1;
  
-       return strcasecmp(str1, str2);
+       return g_utf8_collate(str1, str2);
 }
  
 static gint summary_cmp_by_simplified_subject
@@ -4934,14 +5089,13 @@ static void summary_ignore_thread(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), 
                                        GTK_CTREE_FUNC(summary_ignore_thread_func), 
                                        summaryview);
 
-       folder_item_update_thaw();
+       END_LONG_OPERATION(summaryview);
 
        summary_status_show(summaryview);
 }
@@ -4968,14 +5122,13 @@ static void summary_unignore_thread(SummaryView *summaryview)
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        GList *cur;
 
-       folder_item_update_freeze();
-
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       START_LONG_OPERATION(summaryview);
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data), 
                                        GTK_CTREE_FUNC(summary_unignore_thread_func), 
                                        summaryview);
 
-       folder_item_update_thaw();
+       END_LONG_OPERATION(summaryview);
 
        summary_status_show(summaryview);
 }
@@ -4999,7 +5152,7 @@ void summary_toggle_ignore_thread(SummaryView *summaryview)
        GList *cur;
        gint found_ignore = 0;
 
-       for (cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next)
+       for (cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next)
                gtk_ctree_pre_recursive(ctree, GTK_CTREE_NODE(cur->data),
                                        GTK_CTREE_FUNC(summary_check_ignore_thread_func),
                                        &found_ignore);
@@ -5042,7 +5195,7 @@ static gboolean processing_apply_func(GNode *node, gpointer data)
                                                   TRUE);
 */             
                mlist = folder_item_get_msg_list(item);
-               for(cur = mlist ; cur != NULL ; cur = cur->next) {
+               for(cur = mlist ; cur != NULL && cur->data != NULL ; cur = cur->next) {
                        MsgInfo * msginfo;
                        
                        msginfo = (MsgInfo *) cur->data;
@@ -5063,7 +5216,7 @@ void processing_apply(SummaryView * summaryview)
 {
        GList * cur;
 
-       for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
+       for (cur = folder_get_list() ; cur != NULL && cur->data != NULL ; cur = g_list_next(cur)) {
                Folder *folder;
 
                folder = (Folder *) cur->data;
@@ -5115,6 +5268,7 @@ void summary_reflect_prefs_pixmap_theme(SummaryView *summaryview)
        stock_pixmap_gdk(ctree, STOCK_PIXMAP_CLIP_KEY, &clipkeyxpm, &clipkeyxpmmask);
        stock_pixmap_gdk(ctree, STOCK_PIXMAP_KEY, &keyxpm, &keyxpmmask);
        stock_pixmap_gdk(ctree, STOCK_PIXMAP_GPG_SIGNED, &gpgsignedxpm, &gpgsignedxpmmask);
+       stock_pixmap_gdk(ctree, STOCK_PIXMAP_CLIP_GPG_SIGNED, &clipgpgsignedxpm, &clipgpgsignedxpmmask);
 
        pixmap = stock_pixmap_widget(summaryview->hbox, STOCK_PIXMAP_DIR_OPEN);
        gtk_box_pack_start(GTK_BOX(summaryview->hbox), pixmap, FALSE, FALSE, 4);
@@ -5145,7 +5299,7 @@ void summary_harvest_address(SummaryView *summaryview)
        MsgInfo *msginfo;
 
        msgList = NULL;
-       for( cur = GTK_CLIST(ctree)->selection; cur != NULL; cur = cur->next ) {
+       for( cur = GTK_CLIST(ctree)->selection; cur != NULL && cur->data != NULL; cur = cur->next ) {
                msginfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(cur->data) );
                msgList = g_list_append( msgList, GUINT_TO_POINTER( msginfo->msgnum ) );
        }
@@ -5275,3 +5429,33 @@ static void summary_find_answers (SummaryView *summaryview, MsgInfo *msg)
        if (node)
                summary_select_node(summaryview, node, TRUE, TRUE);
 }
+
+void summaryview_export_mbox_list(SummaryView *summaryview)
+{
+       GSList *list = summary_get_selected_msg_list(summaryview);
+       gchar *mbox = filesel_select_file_save(_("Export to mbox file"), NULL);
+       
+       if (mbox == NULL || list == NULL)
+               return;
+               
+       export_list_to_mbox(list, mbox);
+       
+       g_slist_free(list);
+       g_free(mbox);
+       
+}
+
+void summaryview_lock(SummaryView *summaryview, FolderItem *item)
+{
+       if (!summaryview || !summaryview->folder_item || !item) {
+               return;
+       }
+
+       if (summaryview->folder_item->folder == item->folder) {
+               gtk_widget_set_sensitive(summaryview->ctree, FALSE);
+       }
+}
+void summaryview_unlock(SummaryView *summaryview, FolderItem *item)
+{
+       gtk_widget_set_sensitive(summaryview->ctree, TRUE);
+}