Allow to invert the current selection in Collection view. A new Selection submenu...

diff --git a/src/collect-table.c b/src/collect-table.c
index 7b2dfd9..cda9eb5 100644 (file)
--- a/src/collect-table.c
+++ b/src/collect-table.c
@@ -368,6 +368,37 @@ void collection_table_unselect_all(CollectTable *ct)
        collection_table_update_status(ct);
 }
 
+/* Invert the current collection's selection */
+static void collection_table_select_invert_all(CollectTable *ct)
+{
+       GList *work;
+       GList *new_selection = NULL;
+
+       work = ct->cd->list;
+       while (work)
+               {
+               CollectInfo *info = work->data;
+
+               if (INFO_SELECTED(info))
+                       {
+                       collection_table_selection_remove(ct, info, SELECTION_SELECTED, NULL);
+                       }
+               else
+                       {
+                       new_selection = g_list_append(new_selection, info);
+                       collection_table_selection_add(ct, info, SELECTION_SELECTED, NULL);
+
+                       }
+
+               work = work->next;
+               }
+
+       g_list_free(ct->selection);
+       ct->selection = new_selection;
+
+       collection_table_update_status(ct);
+}
+
 static void collection_table_select(CollectTable *ct, CollectInfo *info)
 {
        ct->prev_selection = info;
@@ -731,6 +762,14 @@ static void collection_table_popup_unselectall_cb(GtkWidget *widget, gpointer da
        ct->prev_selection= ct->click_info;
 }
 
+static void collection_table_popup_select_invert_cb(GtkWidget *widget, gpointer data)
+{
+       CollectTable *ct = data;
+
+       collection_table_select_invert_all(ct);
+       ct->prev_selection= ct->click_info;
+}
+
 static void collection_table_popup_remove_cb(GtkWidget *widget, gpointer data)
 {
        CollectTable *ct = data;
@@ -815,6 +854,7 @@ static GtkWidget *collection_table_popup_menu(CollectTable *ct, gint over_icon)
 {
        GtkWidget *menu;
        GtkWidget *item;
+       GtkWidget *submenu;
 
        menu = popup_menu_short_lived();
 
@@ -834,10 +874,16 @@ static GtkWidget *collection_table_popup_menu(CollectTable *ct, gint over_icon)
        menu_item_add_stock(menu, _("Append from collection..."), GTK_STOCK_OPEN,
                        G_CALLBACK(collection_table_popup_add_collection_cb), ct);
        menu_item_add_divider(menu);
-       menu_item_add(menu, _("Select all"),
+
+       item = menu_item_add(menu, _("_Selection"), NULL, NULL);
+       submenu = gtk_menu_new();
+       menu_item_add(submenu, _("Select all"),
                        G_CALLBACK(collection_table_popup_selectall_cb), ct);
-       menu_item_add(menu, _("Select none"),
+       menu_item_add(submenu, _("Select none"),
                        G_CALLBACK(collection_table_popup_unselectall_cb), ct);
+       menu_item_add(submenu, _("Invert selection"),
+                       G_CALLBACK(collection_table_popup_select_invert_cb), ct);
+       gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
        menu_item_add_divider(menu);
 
        submenu_add_edit(menu, &item,