public override void HandleMessages(IntPtr hWnd, WindowMessageType msg, IntPtr wParam, IntPtr lParam)
{
base.HandleMessages(hWnd, msg, wParam, lParam);
// Current mouse position
int iMouseX = (short)((ulong)lParam & 0xffffU);
int iMouseY = (short)((ulong)lParam >> 16);
if (((msg == WindowMessageType.LeftButtonDown || msg == WindowMessageType.LeftButtonDoubleClick) &&
(m_nRotateModelButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
((msg == WindowMessageType.MiddleButtonDown || msg == WindowMessageType.MiddleButtonDoubleClick) &&
(m_nRotateModelButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
((msg == WindowMessageType.RightButtonDown || msg == WindowMessageType.RightButtonDoubleClick) &&
(m_nRotateModelButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_WorldArcBall.OnBegin(iMouseX, iMouseY);
}
if (((msg == WindowMessageType.LeftButtonDown || msg == WindowMessageType.LeftButtonDoubleClick) &&
(m_nRotateCameraButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
((msg == WindowMessageType.MiddleButtonDown || msg == WindowMessageType.MiddleButtonDoubleClick) &&
(m_nRotateCameraButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
((msg == WindowMessageType.RightButtonDown || msg == WindowMessageType.RightButtonDoubleClick) &&
(m_nRotateCameraButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_ViewArcBall.OnBegin(iMouseX, iMouseY);
}
if (msg == WindowMessageType.MouseMove)
{
m_WorldArcBall.OnMove(iMouseX, iMouseY);
m_ViewArcBall.OnMove(iMouseX, iMouseY);
}
if ((msg == WindowMessageType.LeftButtonUp && (m_nRotateModelButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
(msg == WindowMessageType.MiddleButtonUp && (m_nRotateModelButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
(msg == WindowMessageType.RightButtonUp && (m_nRotateModelButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_WorldArcBall.OnEnd();
}
if ((msg == WindowMessageType.LeftButtonUp && (m_nRotateCameraButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
(msg == WindowMessageType.MiddleButtonUp && (m_nRotateCameraButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
(msg == WindowMessageType.RightButtonUp && (m_nRotateCameraButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_ViewArcBall.OnEnd();
}
if (msg == WindowMessageType.CaptureChanged)
{
if (lParam != hWnd)
{
if (((m_nRotateModelButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
((m_nRotateModelButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
((m_nRotateModelButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_WorldArcBall.OnEnd();
}
if (((m_nRotateCameraButtonMask & SdkCameraMouseKeys.LeftButton) != 0) ||
((m_nRotateCameraButtonMask & SdkCameraMouseKeys.MiddleButton) != 0) ||
((m_nRotateCameraButtonMask & SdkCameraMouseKeys.RightButton) != 0))
{
m_ViewArcBall.OnEnd();
}
}
}
if (msg == WindowMessageType.LeftButtonDown ||
msg == WindowMessageType.LeftButtonDoubleClick ||
msg == WindowMessageType.MiddleButtonDown ||
msg == WindowMessageType.MiddleButtonDoubleClick ||
msg == WindowMessageType.RightButtonDown ||
msg == WindowMessageType.RightButtonDoubleClick ||
msg == WindowMessageType.LeftButtonUp ||
msg == WindowMessageType.MiddleButtonUp ||
msg == WindowMessageType.RightButtonUp ||
msg == WindowMessageType.MouseWheel ||
msg == WindowMessageType.MouseMove)
{
m_bDragSinceLastUpdate = true;
}
}
public void HandleMessages(IntPtr hWnd, WindowMessageType msg, IntPtr wParam, IntPtr lParam)
{
// Current mouse position
int iMouseX = (short)((ulong)lParam & 0xffffU);
int iMouseY = (short)((ulong)lParam >> 16);
switch (msg)
{
case WindowMessageType.LeftButtonDown:
case WindowMessageType.MiddleButtonDown:
case WindowMessageType.RightButtonDown:
{
if ((m_nRotateMask.HasFlag(SdkCameraMouseKeys.LeftButton) && msg == WindowMessageType.LeftButtonDown) ||
(m_nRotateMask.HasFlag(SdkCameraMouseKeys.MiddleButton) && msg == WindowMessageType.MiddleButtonDown) ||
(m_nRotateMask.HasFlag(SdkCameraMouseKeys.RightButton) && msg == WindowMessageType.RightButtonDown))
{
m_ArcBall.OnBegin(iMouseX, iMouseY);
NativeMethods.SetCapture(hWnd);
}
break;
}
case WindowMessageType.MouseMove:
{
if (m_ArcBall.IsBeingDragged())
{
m_ArcBall.OnMove(iMouseX, iMouseY);
UpdateLightDir();
}
break;
}
case WindowMessageType.LeftButtonUp:
case WindowMessageType.MiddleButtonUp:
case WindowMessageType.RightButtonUp:
{
if ((m_nRotateMask.HasFlag(SdkCameraMouseKeys.LeftButton) && msg == WindowMessageType.LeftButtonDown) ||
(m_nRotateMask.HasFlag(SdkCameraMouseKeys.MiddleButton) && msg == WindowMessageType.MiddleButtonDown) ||
(m_nRotateMask.HasFlag(SdkCameraMouseKeys.RightButton) && msg == WindowMessageType.RightButtonDown))
{
m_ArcBall.OnEnd();
NativeMethods.ReleaseCapture();
}
UpdateLightDir();
break;
}
case WindowMessageType.CaptureChanged:
{
if (lParam != hWnd)
{
if (m_nRotateMask.HasFlag(SdkCameraMouseKeys.LeftButton) ||
m_nRotateMask.HasFlag(SdkCameraMouseKeys.MiddleButton) ||
m_nRotateMask.HasFlag(SdkCameraMouseKeys.RightButton))
{
m_ArcBall.OnEnd();
NativeMethods.ReleaseCapture();
}
}
break;
}
}
}