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Use UIntPtr instead of IntPtr to avoid overflow exceptions in x64 mode.

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This commit is contained in:
the_fiddler 2008-11-09 11:43:02 +00:00
parent e6baa0a42f
commit 9bbef90088
1 changed files with 21 additions and 10 deletions
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25
Source/OpenTK/Platform/Windows/WMInput.cs
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@ -62,6 +62,13 @@ namespace OpenTK.Platform.Windows
bool mouse_about_to_enter = false;
protected override void WndProc(ref Message msg)
{
UIntPtr lparam, wparam;
unsafe
{
lparam = (UIntPtr)(void*)msg.LParam;
wparam = (UIntPtr)(void*)msg.WParam;
}
switch ((WindowMessage)msg.Msg)
{
// Mouse events:
@ -70,8 +77,9 @@ namespace OpenTK.Platform.Windows
break;
case WindowMessage.MOUSEMOVE:
mouse.Position = new System.Drawing.Point(msg.LParam.ToInt32() & 0x0000FFFF,
(int)(msg.LParam.ToInt32() & 0xFFFF0000) >> 16);
mouse.Position = new System.Drawing.Point(
(int)(lparam.ToUInt32() & 0x0000FFFF),
(int)(lparam.ToUInt32() & 0xFFFF0000) >> 16);
if (mouse_about_to_enter)
{
Cursor.Current = Cursors.Default;
@ -80,7 +88,7 @@ namespace OpenTK.Platform.Windows
return;
case WindowMessage.MOUSEWHEEL:
mouse.Wheel += (msg.WParam.ToInt32() >> 16) / 120;
mouse.Wheel += (int)(wparam.ToUInt32() >> 16) / 120;
return;
case WindowMessage.LBUTTONDOWN:
@ -96,7 +104,7 @@ namespace OpenTK.Platform.Windows
return;
case WindowMessage.XBUTTONDOWN:
mouse[((msg.WParam.ToInt32() & 0xFFFF0000) >> 16) != (int)MouseKeys.XButton1 ? MouseButton.Button1 : MouseButton.Button2] = true;
mouse[((wparam.ToUInt32() & 0xFFFF0000) >> 16) != (int)MouseKeys.XButton1 ? MouseButton.Button1 : MouseButton.Button2] = true;
return;
case WindowMessage.LBUTTONUP:
@ -113,7 +121,7 @@ namespace OpenTK.Platform.Windows
case WindowMessage.XBUTTONUP:
// TODO: Is this correct?
mouse[((msg.WParam.ToInt32() & 0xFFFF0000) >> 16) != (int)MouseKeys.XButton1 ? MouseButton.Button1 : MouseButton.Button2] = false;
mouse[((wparam.ToUInt32() & 0xFFFF0000) >> 16) != (int)MouseKeys.XButton1 ? MouseButton.Button1 : MouseButton.Button2] = false;
return;
// Keyboard events:
@ -132,7 +140,7 @@ namespace OpenTK.Platform.Windows
// In this case, both keys will be reported as pressed.
bool extended = (msg.LParam.ToInt64() & ExtendedBit) != 0;
switch ((VirtualKeys)msg.WParam)
switch ((VirtualKeys)wparam)
{
case VirtualKeys.SHIFT:
// The behavior of this key is very strange. Unlike Control and Alt, there is no extended bit
@ -144,11 +152,14 @@ namespace OpenTK.Platform.Windows
// TODO: Not 100% reliable, when both keys are pressed at once.
if (ShiftRightScanCode != 0)
{
if (((msg.LParam.ToInt32() >> 16) & 0xFF) == ShiftRightScanCode)
unchecked
{
if (((lparam.ToUInt32() >> 16) & 0xFF) == ShiftRightScanCode)
keyboard[Input.Key.ShiftRight] = pressed;
else
keyboard[Input.Key.ShiftLeft] = pressed;
}
}
else
{
// Should only fall here on Windows 9x and NT4.0-