- int sh=get_slider_height();
- int sy=geom.y+static_cast<int>((geom.h-sh)*(value-min)/(max-min));
- if(btn==1 && y>=sy && y<sy+sh)
- {
- dragging=true;
- state=ACTIVE;
- drag_start_y=y;
- drag_start_value=value;
- }
+ 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);