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[Mac] Match win32 scrolling coordinates

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This commit is contained in:
thefiddler 2014-06-10 16:40:44 +02:00
parent 525af589f1
commit 2a4f634848
2 changed files with 14 additions and 4 deletions
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5
Source/OpenTK/Platform/MacOS/CocoaNativeWindow.cs
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@ -540,7 +540,10 @@ namespace OpenTK.Platform.MacOS
// Only raise wheel events when the user has actually scrolled
if (dx != 0 || dy != 0)
{
OnMouseWheel(dx, dy);
// Note: OpenTK follows the win32 convention, where
// (+h, +v) = (right, up). MacOS reports (+h, +v) = (left, up)
// so we need to flip the horizontal scroll direction.
OnMouseWheel(-dx, dy);
}
}
break;

13
Source/OpenTK/Platform/MacOS/HIDInput.cs
View file

@ -180,9 +180,14 @@ namespace OpenTK.Platform.MacOS
break;
case CGEventType.ScrollWheel:
CursorState.SetScrollRelative(
(float)CG.EventGetDoubleValueField(@event, CGEventField.ScrollWheelEventPointDeltaAxis2) * MacOSFactory.ScrollFactor,
(float)CG.EventGetDoubleValueField(@event, CGEventField.ScrollWheelEventPointDeltaAxis1) * MacOSFactory.ScrollFactor);
{
// Note: OpenTK follows the win32 convention, where
// (+h, +v) = (right, up). MacOS reports (+h, +v) = (left, up)
// so we need to flip the horizontal scroll direction.
double h = CG.EventGetDoubleValueField(@event, CGEventField.ScrollWheelEventPointDeltaAxis2) * MacOSFactory.ScrollFactor;
double v = CG.EventGetDoubleValueField(@event, CGEventField.ScrollWheelEventPointDeltaAxis1) * MacOSFactory.ScrollFactor;
CursorState.SetScrollRelative((float)(-h), (float)v);
}
break;
case CGEventType.LeftMouseDown:
@ -190,6 +195,7 @@ namespace OpenTK.Platform.MacOS
case CGEventType.OtherMouseDown:
{
int n = CG.EventGetIntegerValueField(@event, CGEventField.MouseEventButtonNumber);
n = n == 1 ? 2 : n == 2 ? 1 : n; // flip middle and right button numbers to match OpenTK
MouseButton b = MouseButton.Left + n;
CursorState[b] = true;
}
@ -200,6 +206,7 @@ namespace OpenTK.Platform.MacOS
case CGEventType.OtherMouseUp:
{
int n = CG.EventGetIntegerValueField(@event, CGEventField.MouseEventButtonNumber);
n = n == 1 ? 2 : n == 2 ? 1 : n; // flip middle and right button numbers to match OpenTK
MouseButton b = MouseButton.Left + n;
CursorState[b] = false;
}