//gripper 拖动手柄
namespace web.layout.behavior.gripper;

onMouseDown = function (ltTarget,ltOwner,x,y,mouseParams) {
	if( mouseParams.button_state == 1 )  {
		mouseParams.dragging = ltOwner.parent().handle;
		mouseParams.dragging_mode = 1/*_HL_DRAGGING_MOVE*/;
		
		::CopyMemoryByStruct( mouseParams.pointer,mouseParams,48/*..raw.sizeof(mouseParams)*/ )
		return true;
	} 
}