+void VSlider::button_press(int x, int y, unsigned btn)
+{
+ if(btn==1 && geom.is_inside_relative(x, y) && max>min)
+ {
+ int sy = static_cast<int>((geom.h-slider_size)*(value-min)/(max-min));
+ if(y<sy)
+ set_value(value-step*10);
+ else if(y>=static_cast<int>(sy+slider_size))
+ set_value(value+step*10);
+ else
+ start_drag(y);
+ }
+}
+
+void VSlider::button_release(int, int, unsigned btn)
+{
+ if(btn==1 && dragging)
+ end_drag();
+}
+
+void VSlider::pointer_motion(int, int y)
+{
+ if(dragging)
+ drag(y);
+}
+