protected override unsafe void HandleSubclassWindowMessage(object sender, WMEventArgs e)
{
if (e.Message >= WM.KEYFIRST && e.Message <= WM.KEYLAST)
{
var key = (Keys)e.WParam;
var capsLock = Control.IsKeyLocked(Keys.CapsLock);
var time = User32.GetMessageTime();
var chars = Enumerable.Empty <char>();
var keys = Enumerable.Empty <Keys>();
switch (e.Message)
{
case WM.KEYDOWN:
case WM.SYSKEYDOWN:
keys = FKeyboardState.KeyCodes.Concat(new[] { key });
break;
case WM.CHAR:
case WM.SYSCHAR:
chars = new[] { (char)e.WParam };
keys = FKeyboardState.KeyCodes;
break;
case WM.KEYUP:
case WM.SYSKEYUP:
keys = FKeyboardState.KeyCodes.Except(new[] { key });
break;
}
FKeyboardState = new KeyboardState(keys, chars, capsLock, time);
}
}
private IEnumerable <TouchNotification> GenerateTouchNotifications(WMEventArgs e)
{
var touchPointCount = e.WParam.LoWord();
if (touchPointCount > 0)
{
var touchPoints = new TOUCHINPUT[touchPointCount];
if (User32.GetTouchInputInfo(e.LParam, touchPointCount, touchPoints, Marshal.SizeOf(typeof(TOUCHINPUT))))
{
e.Handled = true;
try
{
RECT cr;
if (User32.GetClientRect(e.HWnd, out cr))
{
foreach (var touchPoint in touchPoints)
{
var position = new Point(touchPoint.x / 100, touchPoint.y / 100);
User32.ScreenToClient(e.HWnd, ref position);
var clientArea = new Size(cr.Width, cr.Height);
var id = touchPoint.dwID;
var primary = (touchPoint.dwFlags & Const.TOUCHEVENTF_PRIMARY) > 0;
var contactArea = (touchPoint.dwMask & Const.TOUCHINPUTMASKF_CONTACTAREA) > 0
? new Size(touchPoint.cxContact / 100, touchPoint.cyContact / 100)
: Size.Empty;
if ((touchPoint.dwFlags & Const.TOUCHEVENTF_DOWN) > 0)
{
yield return(new TouchDownNotification(position, clientArea, id, primary, contactArea, touchPoint.hSource.ToInt64()));
}
if ((touchPoint.dwFlags & Const.TOUCHEVENTF_MOVE) > 0)
{
yield return(new TouchMoveNotification(position, clientArea, id, primary, contactArea, touchPoint.hSource.ToInt64()));
}
if ((touchPoint.dwFlags & Const.TOUCHEVENTF_UP) > 0)
{
yield return(new TouchUpNotification(position, clientArea, id, primary, contactArea, touchPoint.hSource.ToInt64()));
}
}
}
}
finally
{
User32.CloseTouchInputHandle(e.LParam);
}
}
}
yield break;
}
protected override void HandleSubclassWindowMessage(object sender, WMEventArgs e)
{
if (e.Message >= WM.MOUSEFIRST && e.Message <= WM.MOUSELAST)
{
switch (e.Message)
{
case WM.MOUSEWHEEL:
unchecked
{
var wheel = e.WParam.ToInt32().HiWord();
FMouseWheel += wheel;
FMouseState.MouseWheel = (int)Math.Round((float)FMouseWheel / Const.WHEEL_DELTA);
}
break;
case WM.MOUSEMOVE:
RECT cr;
if (User32.GetClientRect(e.HWnd, out cr))
{
var pos = e.LParam.ToInt32();
var x = (int)pos.LoWord();
var y = (int)pos.HiWord();
var width = cr.Width;
var height = cr.Height;
FMouseState.X = 2d * x / (width - 1) - 1;
FMouseState.Y = 1d - 2d * y / (height - 1);
}
break;
case WM.LBUTTONDOWN:
case WM.LBUTTONDBLCLK:
case WM.LBUTTONUP:
case WM.MBUTTONDOWN:
case WM.MBUTTONDBLCLK:
case WM.MBUTTONUP:
case WM.RBUTTONDOWN:
case WM.RBUTTONDBLCLK:
case WM.RBUTTONUP:
case WM.XBUTTONDOWN:
case WM.XBUTTONDBLCLK:
case WM.XBUTTONUP:
FMouseState.Buttons = Control.MouseButtons;
break;
}
}
}
private static WM ApplyTabHack(WMEventArgs a)
{
var msg = a.Message;
var filteredMsg = msg & (WM)0x01FF;
switch (filteredMsg)
{
case WM.KEYDOWN:
case WM.SYSKEYDOWN:
case WM.CHAR:
case WM.SYSCHAR:
case WM.KEYUP:
case WM.SYSKEYUP:
// Check again that it's not the real message
switch (msg)
{
case WM.KEYDOWN:
case WM.SYSKEYDOWN:
case WM.CHAR:
case WM.SYSCHAR:
case WM.KEYUP:
case WM.SYSKEYUP:
break;
default:
// Indeed the weired one - check for tab only
if ((Keys)a.WParam == Keys.Tab)
{
return(filteredMsg);
}
break;
}
break;
}
return(msg);
}
private IEnumerable <GestureNotification> GenerateGestureNotifications(WMEventArgs e)
{
if (e.Message == WM.GESTURENOTIFY)
{
e.Handled = FEnabledIn[0];
yield break;
}
else
{
var gestureInfo = new GESTUREINFO();
gestureInfo.cbSize = FGestureInfoSize;
if (User32.GetGestureInfo(e.LParam, ref gestureInfo))
{
try
{
RECT cr;
if (User32.GetClientRect(e.HWnd, out cr))
{
var position = new Point(gestureInfo.x, gestureInfo.y);
User32.ScreenToClient(e.HWnd, ref position);
e.Handled = true;
switch ((GestureNotificationKind)gestureInfo.dwID)
{
case GestureNotificationKind.GestureBegin:
yield return(new GestureBeginNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GestureEnd:
yield return(new GestureEndNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GestureZoom:
yield return(new GestureZoomNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GesturePan:
yield return(new GesturePanNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GestureRotate:
yield return(new GestureRotateNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GesturePressAndTap:
yield return(new GesturePressAndTapNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
case GestureNotificationKind.GestureTwoFingerTap:
yield return(new GestureTwoFingerTapNotification(position,
new Size(cr.Width, cr.Height),
gestureInfo.dwInstanceID,
gestureInfo.dwSequenceID,
gestureInfo.hwndTarget.ToInt64(),
gestureInfo.dwFlags,
gestureInfo.ullArguments,
gestureInfo.cbExtraArgs));
break;
default:
yield break;
}
}
}
finally
{
e.Handled = false;
}
}
yield break;
}
}
protected abstract void HandleSubclassWindowMessage(object sender, WMEventArgs e);
