private void PumpMessage()
{
var message = new APILibrary.Win32.Message();
//peek message
while (APILibrary.Win32.Internal.PeekMessage(out message, IntPtr.Zero, 0, 0,
(int)APILibrary.Win32.PeekMessageFlags.PM_REMOVE) == true)
{
//translate and dispatch message
APILibrary.Win32.Internal.TranslateMessage(ref message);
APILibrary.Win32.Internal.DispatchMessage(ref message);
//catch and tranlate message
CatchMessage(message);
//quit, the window is not existed
if (message.type == (uint)APILibrary.Win32.WinMsg.WM_QUIT)
{
IsExisted = false;
}
}
}
private void CatchMessage(APILibrary.Win32.Message message)
{
//get mouse position
Position <int> mousePosition()
{
return(new Position <int>(
APILibrary.Win32.Message.GetXFromLparam(message.lParam),
APILibrary.Win32.Message.GetYFromLparam(message.lParam)));
}
//get mouse wheel scroll offset
int mouseWheelScrollOffset()
{
return(APILibrary.Win32.Message.HighWord(message.wParam));
}
void lockCursor()
{
APILibrary.Win32.Internal.SetCapture(mHandle);
var position = new APILibrary.Win32.Point();
var clientRect = new APILibrary.Win32.Rect();
APILibrary.Win32.Internal.GetClipCursor(ref mLastClipRect);
APILibrary.Win32.Internal.ClientToScreen(mHandle, ref position);
APILibrary.Win32.Internal.GetClientRect(mHandle, ref clientRect);
var lockRect = new APILibrary.Win32.Rect()
{
left = position.x,
top = position.y,
right = position.x + clientRect.right - clientRect.left,
bottom = position.y + clientRect.bottom - clientRect.top
};
APILibrary.Win32.Internal.ClipCursor(ref lockRect);
}
void unLockCursor()
{
APILibrary.Win32.Internal.ReleaseCapture();
APILibrary.Win32.Internal.ClipCursor(ref mLastClipRect);
}
switch ((APILibrary.Win32.WinMsg)message.type)
{
//sender event
case APILibrary.Win32.WinMsg.WM_KEYUP: SenderEvent(new KeyBoardEvent(DateTime.Now, (KeyCode)message.wParam, false)); break;
case APILibrary.Win32.WinMsg.WM_KEYDOWN: SenderEvent(new KeyBoardEvent(DateTime.Now, (KeyCode)message.wParam, true)); break;
case APILibrary.Win32.WinMsg.WM_MOUSEMOVE: SenderEvent(new MouseMoveEvent(DateTime.Now, mousePosition())); break;
case APILibrary.Win32.WinMsg.WM_LBUTTONUP: unLockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Left, false)); break;
case APILibrary.Win32.WinMsg.WM_MBUTTONUP: unLockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Middle, false)); break;
case APILibrary.Win32.WinMsg.WM_RBUTTONUP: unLockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Right, false)); break;
case APILibrary.Win32.WinMsg.WM_MOUSEWHEEL: SenderEvent(new MouseWheelEvent(DateTime.Now, mousePosition(), mouseWheelScrollOffset())); break;
case APILibrary.Win32.WinMsg.WM_LBUTTONDOWN: lockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Left, true)); break;
case APILibrary.Win32.WinMsg.WM_MBUTTONDOWN: lockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Middle, true)); break;
case APILibrary.Win32.WinMsg.WM_RBUTTONDOWN: lockCursor();
SenderEvent(new MouseClickEvent(DateTime.Now, mousePosition(), MouseButton.Right, true)); break;
default: break;
}
}
