public EngineWindow(string name, string icon, Size size)
{
Name = name; Icon = icon;
Size = size;
mWndProc = WindowProc;
LogEmitter.Apply(LogLevel.Information, "[Start Create Window] [Name = {0}] from [EngineWindow]", Name);
//get instance
var hInstance = APILibrary.Win32.Internal.GetModuleHandle(null);
//create app info(WNDCLASS)s, default setting
var appInfo = new APILibrary.Win32.AppInfo()
{
style = (uint)APILibrary.Win32.AppInfoStyle.CS_DBLCLKS,
lpfnWndProc = mWndProc,
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = hInstance,
hIcon = APILibrary.Win32.Internal.LoadImage(IntPtr.Zero, Icon, 1, 0, 0, 0x00000010),
hbrBackground = APILibrary.Win32.Internal.GetStockObject(0),
hCursor = APILibrary.Win32.Internal.LoadCursor(IntPtr.Zero, (uint)APILibrary.Win32.CursorType.IDC_ARROW),
lpszMenuName = null,
lpszClassName = Name
};
//register app info(WNDCLASS)
APILibrary.Win32.Internal.RegisterAppinfo(ref appInfo);
APILibrary.Win32.Rect rect = new APILibrary.Win32.Rect()
{
top = 0, left = 0, right = Size.Width, bottom = Size.Height
};
//get real rect
APILibrary.Win32.Internal.AdjustWindowRect(ref rect, (uint)APILibrary.Win32.WindowStyles.WS_OVERLAPPEDWINDOW, false);
//create window
mHandle = APILibrary.Win32.Internal.CreateWindowEx(0, Name, Name,
(uint)APILibrary.Win32.WindowStyles.WS_OVERLAPPEDWINDOW, 0x80000000, 0x80000000,
rect.right - rect.left, rect.bottom - rect.top, IntPtr.Zero, IntPtr.Zero,
hInstance, IntPtr.Zero);
LogEmitter.Apply(LogLevel.Information, "[Finish Create Window] [Width = {0}] [Height = {1}] from [EngineWindow]",
Size.Width, Size.Height);
//get window rect property
APILibrary.Win32.Internal.GetWindowRect(mHandle, ref rect);
//set event forwarder
mEventForwardInputEmitter = new EventForwardInputEmitter(this);
//set position and size
Position = new Point2(rect.left, rect.top);
Size = new Size(rect.right - rect.left, rect.bottom - rect.top);
IsExisted = true;
}
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;
}
}
