Prevent a crash if there are not parameters selected.

diff --git a/synfig-studio/trunk/src/gtkmm/widget_curves.cpp b/synfig-studio/trunk/src/gtkmm/widget_curves.cpp
index efd2cd1..cf44f76 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/widget_curves.cpp
+++ b/synfig-studio/trunk/src/gtkmm/widget_curves.cpp
@@ -474,6 +474,9 @@ Widget_Curves::redraw(GdkEventExpose */*bleh*/)
        if(!time_adjustment_ || !range_adjustment_ || !h || !w)
                return false;
 
+       if(!curve_list_.size())
+               return false;
+
        Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 
        const Real t_begin(time_adjustment_->get_lower());