+void Slider::click(int p)
+{
+ p -= drag_area_offset;
+ if(p<0 || p>=static_cast<int>(drag_area_size))
+ return;
+
+ int sp = static_cast<int>((drag_area_size-slider_size)*(value-min)/(max-min));
+ if(p<sp)
+ set_value(value-step*10);
+ else if(p>=static_cast<int>(sp+slider_size))
+ set_value(value+step*10);
+ else
+ start_drag(drag_area_offset+p);
+}
+