SOUI鼠标事件

protected:
	void OnMouseMove(UINT nFlags, CPoint point);
	BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
	void OnLButtonDown(UINT nFlags, CPoint point);
	void OnLButtonUp(UINT nFlags, CPoint point);
	void OnDestroy();
	void OnSize(UINT nType, CSize size);

	SOUI_MSG_MAP_BEGIN()
		MSG_WM_DESTROY(OnDestroy)
		MSG_WM_MOUSEMOVE(OnMouseMove)
		MSG_WM_MOUSEWHEEL(OnMouseWheel)
		MSG_WM_LBUTTONDOWN(OnLButtonDown)
		MSG_WM_LBUTTONUP(OnLButtonUp)
		MSG_WM_SIZE(OnSize)
	SOUI_MSG_MAP_END()

BOOL SVisionWindow::OnMouseWheel(UINT nFlags, short zDelta, CPoint point)
{
	CPoint pt;
	GetCursorPos(&pt);
	ScreenToClient(GetContainer()->GetHostHwnd(), &pt);
	STRACE(L"屏幕坐标位置：%d,%d\r\n", pt.x, pt.y);
	STRACE(L"滚轮反馈位置：%d,%d\r\n", point.x, point.y);

	if (m_WindowExtents.PtInRect(pt) && (m_StateView & Wnd_Move) > 0)
	{
		// 1.坐标转换
		PointD tempPoint = ToHMouse(pt);

		// 2.处理坐标转换
		if (zDelta > 0)
		{
			// 实际显示区域放大，图像实际效果缩小
			Zoom(tempPoint, 1/0.95);
		}
		else if (zDelta < 0)
		{
			// 实际显示区域缩小，图像实际效果放大
			Zoom(tempPoint, 0.95);
		}
	}

	return __super::OnMouseWheel(nFlags, zDelta, point);
}