new filtering
[claws.git] / src / summaryview.c
index 9afef154ccacd8adf06dd53826121e4f8c8c248c..a8125f19449c8ea230ac72357063ea34eebbb10d 100644 (file)
@@ -21,6 +21,7 @@
 
 #include <glib.h>
 #include <gdk/gdkkeysyms.h>
+#include <gtk/gtkbindings.h>
 #include <gtk/gtkscrolledwindow.h>
 #include <gtk/gtkwidget.h>
 #include <gtk/gtkpixmap.h>
@@ -38,6 +39,7 @@
 #include <gtk/gtkarrow.h>
 #include <gtk/gtkeventbox.h>
 #include <gtk/gtkstatusbar.h>
+#include <gtk/gtkmenuitem.h>
 
 #include <stdio.h>
 #include <stdlib.h>
 #include "utils.h"
 #include "gtkutils.h"
 #include "filesel.h"
+#include "manage_window.h"
 #include "alertpanel.h"
 #include "inputdialog.h"
 #include "statusbar.h"
 #include "filter.h"
 #include "folder.h"
+#include "addressbook.h"
+#include "addr_compl.h"
+#include "scoring.h"
+#include "prefs_folder_item.h"
 
 #include "pixmaps/dir-open.xpm"
 #include "pixmaps/mark.xpm"
@@ -132,6 +139,12 @@ static void summary_set_menu_sensitive     (SummaryView            *summaryview);
 static GtkCTreeNode *summary_find_next_unread_msg
                                        (SummaryView            *summaryview,
                                         GtkCTreeNode           *current_node);
+static GtkCTreeNode *summary_find_next_marked_msg
+                                       (SummaryView            *summaryview,
+                                        GtkCTreeNode           *current_node);
+static GtkCTreeNode *summary_find_prev_marked_msg
+                                       (SummaryView            *summaryview,
+                                        GtkCTreeNode           *current_node);
 static GtkCTreeNode *summary_find_msg_by_msgnum
                                        (SummaryView            *summaryview,
                                         guint                   msgnum);
@@ -237,9 +250,14 @@ static void summary_reply_cb               (SummaryView            *summaryview,
 static void summary_show_all_header_cb (SummaryView            *summaryview,
                                         guint                   action,
                                         GtkWidget              *widget);
+static void summary_add_sender_to_cb (SummaryView                      *summaryview,
+                                        guint                   action,
+                                        GtkWidget              *widget);
 
 static void summary_num_clicked                (GtkWidget              *button,
                                         SummaryView            *summaryview);
+static void summary_score_clicked       (GtkWidget *button,
+                                        SummaryView *summaryview);
 static void summary_size_clicked       (GtkWidget              *button,
                                         SummaryView            *summaryview);
 static void summary_date_clicked       (GtkWidget              *button,
@@ -277,6 +295,9 @@ static gint summary_cmp_by_from             (GtkCList               *clist,
 static gint summary_cmp_by_subject     (GtkCList               *clist,
                                         gconstpointer           ptr1,
                                         gconstpointer           ptr2);
+static gint summary_cmp_by_score       (GtkCList               *clist,
+                                        gconstpointer           ptr1,
+                                        gconstpointer           ptr2);
 
 GtkTargetEntry summary_drag_types[1] =
 {
@@ -329,6 +350,7 @@ SummaryView *summary_create(void)
        GtkWidget *toggle_arrow;
        GtkWidget *popupmenu;
        GtkItemFactory *popupfactory;
+       GtkBindingSet *binding_set;
        gint n_entries;
        gint i;
 
@@ -357,7 +379,8 @@ SummaryView *summary_create(void)
                titles[S_COL_FROM]    = "From";
                titles[S_COL_SUBJECT] = "Subject";
        }
-       titles[S_COL_SIZE] = _("Size");
+       titles[S_COL_SIZE]  = _("Size");
+       titles[S_COL_SCORE] = _("Score");
 
        ctree = gtk_sctree_new_with_titles(N_SUMMARY_COLS, S_COL_SUBJECT, titles);
        gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
@@ -374,6 +397,8 @@ SummaryView *summary_create(void)
                                           GTK_JUSTIFY_CENTER);
        gtk_clist_set_column_justification(GTK_CLIST(ctree), S_COL_NUMBER,
                                           GTK_JUSTIFY_RIGHT);
+       gtk_clist_set_column_justification(GTK_CLIST(ctree), S_COL_SCORE,
+                                          GTK_JUSTIFY_RIGHT);
        gtk_clist_set_column_justification(GTK_CLIST(ctree), S_COL_SIZE,
                                           GTK_JUSTIFY_RIGHT);
        gtk_clist_set_column_width(GTK_CLIST(ctree), S_COL_MARK,
@@ -384,6 +409,8 @@ SummaryView *summary_create(void)
                                   SUMMARY_COL_MIME_WIDTH);
        gtk_clist_set_column_width(GTK_CLIST(ctree), S_COL_NUMBER,
                                   prefs_common.summary_col_number);
+       gtk_clist_set_column_width(GTK_CLIST(ctree), S_COL_SCORE,
+                                  prefs_common.summary_col_score);
        gtk_clist_set_column_width(GTK_CLIST(ctree), S_COL_SIZE,
                                   prefs_common.summary_col_size);
        gtk_clist_set_column_width(GTK_CLIST(ctree), S_COL_DATE,
@@ -414,6 +441,11 @@ SummaryView *summary_create(void)
                 "clicked",
                 GTK_SIGNAL_FUNC(summary_num_clicked),
                 summaryview);
+       gtk_signal_connect
+               (GTK_OBJECT(GTK_CLIST(ctree)->column[S_COL_SCORE].button),
+                "clicked",
+                GTK_SIGNAL_FUNC(summary_score_clicked),
+                summaryview);
        gtk_signal_connect
                (GTK_OBJECT(GTK_CLIST(ctree)->column[S_COL_SIZE].button),
                 "clicked",
@@ -460,6 +492,20 @@ SummaryView *summary_create(void)
                                      "<SummaryView>", &popupfactory,
                                      summaryview);
 
+       /* bind keys */
+       binding_set = gtk_binding_set_by_class
+               (GTK_CLIST_CLASS(GTK_OBJECT(ctree)->klass));
+
+       gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
+                                    "scroll_vertical", 2,
+                                    GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
+                                    GTK_TYPE_FLOAT, 0.0);
+       gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
+                                    "scroll_vertical", 2,
+                                    GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
+                                    GTK_TYPE_FLOAT, 0.0);
+       gtk_binding_entry_clear(binding_set, GDK_space, 0);
+
        /* connect signals */
        gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
                           GTK_SIGNAL_FUNC(summary_selected), summaryview);
@@ -552,12 +598,19 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item,
        gchar *buf;
        gboolean is_refresh;
        guint prev_msgnum = 0;
+       GSList *cur;
+       gint sort_mode;
+       gint sort_type;
 
        STATUSBAR_POP(summaryview->mainwin);
 
-       is_refresh = (item == summaryview->folder_item) ? TRUE : FALSE;
-       if (is_refresh)
+       is_refresh = (!prefs_common.open_inbox_on_inc &&
+                     item == summaryview->folder_item) ? TRUE : FALSE;
+       if (is_refresh) {
                prev_msgnum = summary_get_current_msgnum(summaryview);
+               if (prev_msgnum < 1)
+                       is_refresh = FALSE;
+       }
 
 #if 0
        /* process the marks if any */
@@ -575,7 +628,8 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item,
                        return FALSE;
        } else
 #endif
-               summary_write_cache(summaryview);
+               if (!is_refresh)
+                       summary_write_cache(summaryview);
 
        gtk_clist_freeze(GTK_CLIST(ctree));
 
@@ -610,6 +664,12 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item,
 
        mlist = item->folder->get_msg_list(item->folder, item, !update_cache);
 
+       for(cur = mlist ; cur != NULL ; cur = g_slist_next(cur)) {
+               MsgInfo * msginfo = (MsgInfo *) cur->data;
+
+               msginfo->score = score_message(prefs_scoring, msginfo);
+       }
+
        STATUSBAR_POP(summaryview->mainwin);
 
        /* set ctree and hash table from the msginfo list
@@ -674,6 +734,20 @@ gboolean summary_show(SummaryView *summaryview, FolderItem *item,
 
        main_window_cursor_normal(summaryview->mainwin);
 
+       /* sort before */
+       sort_mode = prefs_folder_item_get_sort_mode(item);
+       sort_type = prefs_folder_item_get_sort_type(item);
+
+       if (sort_mode != SORT_BY_NONE) {
+               summaryview->sort_mode = sort_mode;
+               if (sort_type == GTK_SORT_DESCENDING)
+                       summaryview->sort_type = GTK_SORT_ASCENDING;
+               else
+                       summaryview->sort_type = GTK_SORT_DESCENDING;
+
+               summary_sort(summaryview, sort_mode);
+       }
+
        return TRUE;
 }
 
@@ -818,6 +892,66 @@ void summary_select_next_unread(SummaryView *summaryview)
        }
 }
 
+void summary_select_next_marked(SummaryView *summaryview)
+{
+       GtkCTreeNode *node;
+       GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
+
+       node = summary_find_next_marked_msg(summaryview,
+                                           summaryview->selected);
+
+       if (!node) {
+               AlertValue val;
+
+               val = alertpanel(_("No more marked messages"),
+                                _("No marked message found. "
+                                  "Search from the beginning?"),
+                                _("Yes"), _("No"), NULL);
+               if (val != G_ALERTDEFAULT) return;
+               node = summary_find_next_marked_msg(summaryview,
+                                                   NULL);
+       }
+       if (!node) {
+               alertpanel_notice(_("No marked messages."));
+       } else {
+               gtk_sctree_unselect_all(GTK_SCTREE(ctree));
+               gtk_sctree_select(GTK_SCTREE(ctree), node);
+               if (summaryview->displayed == node)
+                       summaryview->displayed = NULL;
+               summary_display_msg(summaryview, node, FALSE);
+       }
+}
+
+void summary_select_prev_marked(SummaryView *summaryview)
+{
+       GtkCTreeNode *node;
+       GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
+
+       node = summary_find_prev_marked_msg(summaryview,
+                                           summaryview->selected);
+
+       if (!node) {
+               AlertValue val;
+
+               val = alertpanel(_("No more marked messages"),
+                                _("No marked message found. "
+                                  "Search from the end?"),
+                                _("Yes"), _("No"), NULL);
+               if (val != G_ALERTDEFAULT) return;
+               node = summary_find_prev_marked_msg(summaryview,
+                                                   NULL);
+       }
+       if (!node) {
+               alertpanel_notice(_("No marked messages."));
+       } else {
+               gtk_sctree_unselect_all(GTK_SCTREE(ctree));
+               gtk_sctree_select(GTK_SCTREE(ctree), node);
+               if (summaryview->displayed == node)
+                       summaryview->displayed = NULL;
+               summary_display_msg(summaryview, node, FALSE);
+       }
+}
+
 void summary_select_by_msgnum(SummaryView *summaryview, guint msgnum)
 {
        GtkCTreeNode *node;
@@ -866,6 +1000,46 @@ static GtkCTreeNode *summary_find_next_unread_msg(SummaryView *summaryview,
        return node;
 }
 
+static GtkCTreeNode *summary_find_next_marked_msg(SummaryView *summaryview,
+                                                 GtkCTreeNode *current_node)
+{
+       GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
+       GtkCTreeNode *node;
+       MsgInfo *msginfo;
+
+       if (current_node)
+               node = GTK_CTREE_NODE_NEXT(current_node);
+       else
+               node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
+
+       for (; node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
+               msginfo = gtk_ctree_node_get_row_data(ctree, node);
+               if (MSG_IS_MARKED(msginfo->flags)) break;
+       }
+
+       return node;
+}
+
+static GtkCTreeNode *summary_find_prev_marked_msg(SummaryView *summaryview,
+                                                 GtkCTreeNode *current_node)
+{
+       GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
+       GtkCTreeNode *node;
+       MsgInfo *msginfo;
+
+       if (current_node)
+               node = GTK_CTREE_NODE_PREV(current_node);
+       else
+               node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list_end);
+
+       for (; node != NULL; node = GTK_CTREE_NODE_PREV(node)) {
+               msginfo = gtk_ctree_node_get_row_data(ctree, node);
+               if (MSG_IS_MARKED(msginfo->flags)) break;
+       }
+
+       return node;
+}
+
 static GtkCTreeNode *summary_find_msg_by_msgnum(SummaryView *summaryview,
                                                guint msgnum)
 {
@@ -1151,6 +1325,9 @@ void summary_sort(SummaryView *summaryview, SummarySortType type)
        GtkCList *clist = GTK_CLIST(summaryview->ctree);
        GtkCListCompareFunc cmp_func;
 
+       if (!summaryview->folder_item)
+               return;
+
        switch (type) {
        case SORT_BY_NUMBER:
                cmp_func = (GtkCListCompareFunc)summary_cmp_by_num;
@@ -1167,6 +1344,9 @@ void summary_sort(SummaryView *summaryview, SummarySortType type)
        case SORT_BY_SUBJECT:
                cmp_func = (GtkCListCompareFunc)summary_cmp_by_subject;
                break;
+       case SORT_BY_SCORE:
+               cmp_func = (GtkCListCompareFunc)summary_cmp_by_score;
+               break;
        default:
                return;
        }
@@ -1193,6 +1373,11 @@ void summary_sort(SummaryView *summaryview, SummarySortType type)
        gtk_ctree_node_moveto(ctree, summaryview->selected, -1, 0.5, 0);
        //gtkut_ctree_set_focus_row(ctree, summaryview->selected);
 
+       prefs_folder_item_set_config(summaryview->folder_item,
+                                    summaryview->sort_type,
+                                    summaryview->sort_mode);
+       prefs_folder_item_save_config(summaryview->folder_item);
+
        debug_print(_("done.\n"));
        STATUSBAR_POP(summaryview->mainwin);
 
@@ -1204,9 +1389,13 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
 {
        GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
        MsgInfo *msginfo;
+       MsgInfo *parentinfo;
+       MsgInfo *cur_msginfo;
        GtkCTreeNode *node, *parent;
        gchar *text[N_SUMMARY_COLS];
        GHashTable *msgid_table;
+       GSList * cur;
+       GtkCTreeNode *cur_parent;
 
        if (!mlist) return;
 
@@ -1217,17 +1406,29 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
        msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
        summaryview->msgid_table = msgid_table;
 
-       if (prefs_common.enable_thread) {
+       if (prefs_common.use_addr_book)
+               start_address_completion();
+       
+       main_window_set_thread_option(summaryview->mainwin);
+
+       for (cur = mlist ; cur != NULL; cur = cur->next) {
+               msginfo = (MsgInfo *)cur->data;
+               msginfo->threadscore = msginfo->score;
+       }
+
+       /*      if (prefs_common.enable_thread) { */
+       if (summaryview->folder_item->prefs->enable_thread) {
                for (; mlist != NULL; mlist = mlist->next) {
                        msginfo = (MsgInfo *)mlist->data;
                        parent = NULL;
 
-                       summary_set_header(text, msginfo);
-
                        /* search parent node for threading */
-                       if (msginfo->inreplyto && *msginfo->inreplyto)
+                       if (msginfo->inreplyto && *msginfo->inreplyto) {
                                parent = g_hash_table_lookup
                                        (msgid_table, msginfo->inreplyto);
+                       }
+
+                       summary_set_header(text, msginfo);
 
                        node = gtk_ctree_insert_node
                                (ctree, parent, NULL, text, 2,
@@ -1242,6 +1443,33 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
                            == NULL)
                                g_hash_table_insert(msgid_table,
                                                    msginfo->msgid, node);
+
+                       cur_parent = parent;
+                       cur_msginfo = msginfo;
+                       while (cur_parent != NULL) {
+                               parentinfo = gtk_ctree_node_get_row_data(ctree, cur_parent);
+
+                               if (!parentinfo)
+                                       break;
+                               
+                               if (parentinfo->threadscore <
+                                   cur_msginfo->threadscore) {
+                                       gchar * s;
+                                       parentinfo->threadscore =
+                                               cur_msginfo->threadscore;
+#if 0
+                                       s = itos(parentinfo->threadscore);
+                                       gtk_ctree_node_set_text(ctree, cur_parent, S_COL_SCORE, s);
+#endif
+                               }
+                               else break;
+                               
+                               cur_msginfo = parentinfo;
+                               if (cur_msginfo->inreplyto &&
+                                   *cur_msginfo->inreplyto) {
+                                       cur_parent = g_hash_table_lookup(msgid_table, cur_msginfo->inreplyto);
+                               }
+                       }
                }
 
                /* complete the thread */
@@ -1275,6 +1503,9 @@ static void summary_set_ctree_from_list(SummaryView *summaryview,
                                           optimal_width);
        }
 
+       if (prefs_common.use_addr_book)
+               end_address_completion();
+
        debug_print(_("done.\n"));
        STATUSBAR_POP(summaryview->mainwin);
        if (debug_mode)
@@ -1358,12 +1589,20 @@ static void summary_set_header(gchar *text[], MsgInfo *msginfo)
 {
        static gchar date_modified[80];
        static gchar *to = NULL;
+       static gchar *from_name = NULL;
+       static gchar col_number[11];
+       static gchar col_score[11];
 
        text[S_COL_MARK]   = NULL;
        text[S_COL_UNREAD] = NULL;
        text[S_COL_MIME] = NULL;
-       text[S_COL_NUMBER] = itos(msginfo->msgnum);
+       text[S_COL_NUMBER] = itos_buf(col_number, msginfo->msgnum);
        text[S_COL_SIZE]   = to_human_readable(msginfo->size);
+#if 0
+       text[S_COL_SCORE]  = itos_buf(col_score, msginfo->threadscore);
+#else
+       text[S_COL_SCORE]  = itos_buf(col_score, msginfo->score);
+#endif
 
        if (msginfo->date_t) {
                procheader_date_get_localtime(date_modified,
@@ -1378,7 +1617,8 @@ static void summary_set_header(gchar *text[], MsgInfo *msginfo)
        text[S_COL_FROM] = msginfo->fromname ? msginfo->fromname :
                _("(No From)");
        if (prefs_common.swap_from && msginfo->from && msginfo->to &&
-           cur_account && cur_account->address) {
+           cur_account && cur_account->address &&
+           !MSG_IS_NEWS(msginfo->flags)) {
                gchar *from;
 
                Xalloca(from, strlen(msginfo->from) + 1, return);
@@ -1391,6 +1631,24 @@ static void summary_set_header(gchar *text[], MsgInfo *msginfo)
                }
        }
 
+       if ((text[S_COL_FROM] != to) && prefs_common.use_addr_book &&
+           msginfo->from) {
+               gint count;
+               gchar *from;
+  
+               Xalloca(from, strlen(msginfo->from) + 1, return);
+               strcpy(from, msginfo->from);
+               extract_address(from);
+               count = complete_address(from);
+               if (count > 1) {
+                       g_free(from_name);
+                       from = get_complete_address(1);
+                       from_name = procheader_get_fromname(from);
+                       g_free(from);
+                       text[S_COL_FROM] = from_name;
+               }
+       }
+
        text[S_COL_SUBJECT] = msginfo->subject ? msginfo->subject :
                _("(No Subject)");
 }
@@ -1420,17 +1678,6 @@ static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row,
        }
        g_free(filename);
 
-       if (MSG_IS_NEW(msginfo->flags))
-               summaryview->newmsgs--;
-       if (MSG_IS_UNREAD(msginfo->flags))
-               summaryview->unread--;
-       if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
-               MSG_UNSET_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
-               summary_set_row_marks(summaryview, row);
-               gtk_clist_thaw(GTK_CLIST(ctree));
-               summary_status_show(summaryview);
-       }
-
        if (new_window) {
                MessageView *msgview;
 
@@ -1453,6 +1700,17 @@ static void summary_display_msg(SummaryView *summaryview, GtkCTreeNode *row,
                gtkut_ctree_node_move_if_on_the_edge(ctree, row);
        }
 
+       if (MSG_IS_NEW(msginfo->flags))
+               summaryview->newmsgs--;
+       if (MSG_IS_UNREAD(msginfo->flags))
+               summaryview->unread--;
+       if (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)) {
+               MSG_UNSET_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
+               summary_set_row_marks(summaryview, row);
+               gtk_clist_thaw(GTK_CLIST(ctree));
+               summary_status_show(summaryview);
+       }
+
        if (GTK_WIDGET_VISIBLE(summaryview->headerwin->window))
                header_window_show(summaryview->headerwin, msginfo);
 
@@ -2038,6 +2296,7 @@ void summary_print(SummaryView *summaryview)
            strchr(p + 2, '%')) {
                alertpanel_error(_("Print command line is invalid:\n`%s'"),
                                 cmdline);
+               g_free(cmdline);
                return;
        }
 
@@ -2046,6 +2305,8 @@ void summary_print(SummaryView *summaryview)
                        (ctree, GTK_CTREE_NODE(cur->data));
                if (msginfo) procmsg_print_message(msginfo, cmdline);
        }
+       
+       g_free(cmdline);
 }
 
 void summary_execute(SummaryView *summaryview)
@@ -2207,7 +2468,9 @@ static void summary_execute_delete(SummaryView *summaryview)
        GSList *cur;
 
        trash = summaryview->folder_item->folder->trash;
-       g_return_if_fail(trash != NULL);
+       if (summaryview->folder_item->folder->type == F_MH) {
+               g_return_if_fail(trash != NULL);
+       }
        if (summaryview->folder_item == trash) return;
 
        /* search deleting messages and execute */
@@ -2446,6 +2709,7 @@ static void summary_button_pressed(GtkWidget *ctree, GdkEventButton *event,
 
        if (event->button == 3) {
                /* right clicked */
+               summary_add_sender_to_cb(summaryview, 0, 0);    
                gtk_menu_popup(GTK_MENU(summaryview->popupmenu), NULL, NULL,
                               NULL, NULL, event->button, event->time);
        } else if (event->button == 2) {
@@ -2517,6 +2781,9 @@ static void summary_key_pressed(GtkWidget *widget, GdkEventKey *event,
                        if (alertpanel(_("Exit"), _("Exit this program?"),
                                       _("OK"), _("Cancel"), NULL)
                                       == G_ALERTDEFAULT) {
+                               manage_window_focus_in
+                                       (summaryview->mainwin->window,
+                                        NULL, NULL);
                                app_will_exit(NULL, summaryview->mainwin);
                        }
                }
@@ -2705,6 +2972,9 @@ static void summary_col_resized(GtkCList *clist, gint column, gint width,
        case S_COL_NUMBER:
                prefs_common.summary_col_number = width;
                break;
+       case S_COL_SCORE:
+               prefs_common.summary_col_score = width;
+               break;
        case S_COL_SIZE:
                prefs_common.summary_col_size = width;
                break;
@@ -2768,11 +3038,69 @@ static void summary_show_all_header_cb(SummaryView *summaryview,
        header_window_show_cb(summaryview->mainwin, action, widget);
 }
 
+static void summary_add_sender_to_cb (SummaryView                      *summaryview,
+                                        guint                   action,
+                                        GtkWidget              *widget_)
+{
+       GtkWidget               *submenu;                                               
+       GList                   *groups, *tmp;
+       GtkMenuShell    *menushell;
+       GtkWidget               *menu;
+       GtkWidget               *menuitem;
+       GList                   *child = menushell->children;
+       gboolean                found = FALSE;
+       MsgInfo                 *msginfo;
+       gchar                   *from_address;
+
+       menushell = GTK_MENU_SHELL(summaryview->popupmenu);
+       g_return_if_fail(GTK_MENU_SHELL(summaryview->popupmenu));
+
+       /* we're iterating each menu item searching for the one with 
+        * a "contacts" object data. if not found add the menu,
+        * else update it */
+       for (child = g_list_first(menushell->children); child; child = g_list_next(child)) {
+               if (gtk_object_get_data(GTK_OBJECT(child->data), "contacts")) {
+                       found = TRUE;
+                       break;
+               }
+       }
+
+       /* add item to default context menu if not present */
+       if (!found) {
+               submenu = gtk_menu_item_new_with_label(_("Add sender to address book"));
+               gtk_object_set_data(GTK_OBJECT(submenu), "contacts", (gpointer)1);
+               gtk_menu_insert(GTK_MENU(summaryview->popupmenu), submenu, 12);
+               gtk_widget_show(submenu);
+       }
+       else {
+               submenu = (GtkWidget *) child->data;
+       }
+
+       /* get the address info from the summary view */
+       msginfo = gtk_ctree_node_get_row_data(GTK_CTREE(summaryview->ctree),
+                                                                                                  summaryview->selected);
+       g_return_if_fail(msginfo != NULL);
+
+       from_address = g_strdup(msginfo->from);
+       eliminate_address_comment(from_address);
+       extract_address(from_address);
+       log_message("adding %s %s\n", msginfo->fromname, from_address);
+       addressbook_add_contact_by_menu(submenu, msginfo->fromname, from_address, NULL);
+       g_free(from_address);
+       
+}
+
 static void summary_num_clicked(GtkWidget *button, SummaryView *summaryview)
 {
        summary_sort(summaryview, SORT_BY_NUMBER);
 }
 
+static void summary_score_clicked(GtkWidget *button,
+                                 SummaryView *summaryview)
+{
+       summary_sort(summaryview, SORT_BY_SCORE);
+}
+
 static void summary_size_clicked(GtkWidget *button, SummaryView *summaryview)
 {
        summary_sort(summaryview, SORT_BY_SIZE);
@@ -2802,6 +3130,7 @@ void summary_change_display_item(SummaryView *summaryview)
        gtk_clist_set_column_visibility(clist, S_COL_UNREAD, prefs_common.show_unread);
        gtk_clist_set_column_visibility(clist, S_COL_MIME, prefs_common.show_mime);
        gtk_clist_set_column_visibility(clist, S_COL_NUMBER, prefs_common.show_number);
+       gtk_clist_set_column_visibility(clist, S_COL_SCORE, prefs_common.show_score);
        gtk_clist_set_column_visibility(clist, S_COL_SIZE, prefs_common.show_size);
        gtk_clist_set_column_visibility(clist, S_COL_DATE, prefs_common.show_date);
        gtk_clist_set_column_visibility(clist, S_COL_FROM, prefs_common.show_from);
@@ -2933,3 +3262,19 @@ static gint summary_cmp_by_subject(GtkCList *clist,
 
        return strcasecmp(msginfo1->subject, msginfo2->subject);
 }
+
+static gint summary_cmp_by_score(GtkCList *clist,
+                                gconstpointer ptr1, gconstpointer ptr2)
+{
+       MsgInfo *msginfo1 = ((GtkCListRow *)ptr1)->data;
+       MsgInfo *msginfo2 = ((GtkCListRow *)ptr2)->data;
+       int diff;
+
+       /* if score are equal, sort by date */
+
+       diff = msginfo1->threadscore - msginfo2->threadscore;
+       if (diff != 0)
+               return diff;
+       else
+               return summary_cmp_by_date(clist, ptr1, ptr2);
+}