allow multiple selection for grids

diff --git a/src/ui.c b/src/ui.c
index bdd95b0..be485ae 100644 (file)
--- a/src/ui.c
+++ b/src/ui.c
@@ -121,6 +121,7 @@ static GtkWidget* create_treeview(GtkWidget* top, char* name, const column_desc_
     int i, count;
 
     GtkWidget *treeview;
+    GtkTreeSelection  *selection;
     GtkCellRenderer *renderer;
     GtkTreeViewColumn *column;
     GtkListStore *list_store;
@@ -129,6 +130,9 @@ static GtkWidget* create_treeview(GtkWidget* top, char* name, const column_desc_
     treeview = gtk_tree_view_new ();
     gtk_widget_show (treeview);
 
+    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
+    gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
+
     for(i = 0, count = 0; columns[i].title; i++, count++)
         list_store_types[i] = (columns[i].type == G_TYPE_OBJECT)?GDK_TYPE_PIXBUF:columns[i].type;
     list_store_types[count] = G_TYPE_INT;