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[Mac] Add horizontal scrolling

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This commit is contained in:
thefiddler 2014-05-04 15:24:02 +02:00
parent 30c73e8ead
commit 4b115c443b
1 changed files with 23 additions and 10 deletions
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33
Source/OpenTK/Platform/MacOS/CocoaNativeWindow.cs
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@ -78,6 +78,7 @@ namespace OpenTK.Platform.MacOS
static readonly IntPtr selLocationInWindowOwner = Selector.Get("locationInWindow");
static readonly IntPtr selHide = Selector.Get("hide");
static readonly IntPtr selUnhide = Selector.Get("unhide");
static readonly IntPtr selScrollingDeltaX = Selector.Get("scrollingDeltaX");
static readonly IntPtr selScrollingDeltaY = Selector.Get("scrollingDeltaY");
static readonly IntPtr selDeltaX = Selector.Get("deltaX");
static readonly IntPtr selDeltaY = Selector.Get("deltaY");
@ -145,7 +146,7 @@ namespace OpenTK.Platform.MacOS
private bool cursorInsideWindow = true;
private MouseCursor selectedCursor = MouseCursor.Default; // user-selected cursor
private const float scrollFactor = 120.0f;
private const float scrollFactor = 10.0f;
private const bool exclusiveFullscreen = false;
public CocoaNativeWindow(int x, int y, int width, int height, string title, GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
@ -517,9 +518,13 @@ namespace OpenTK.Platform.MacOS
MathHelper.Clamp((int)Math.Round(p.Y + dy), 0, Height));
}
MouseState.X = p.X;
MouseState.Y = p.Y;
OnMouseMove();
// Only raise events when the mouse has actually moved
if (MouseState.X != p.X || MouseState.Y != p.Y)
{
MouseState.X = p.X;
MouseState.Y = p.Y;
OnMouseMove();
}
}
break;
@ -528,16 +533,24 @@ namespace OpenTK.Platform.MacOS
case NSEventType.ScrollWheel:
{
var scrollingDelta = Cocoa.SendFloat(e, selScrollingDeltaY);
var factor = 1.0f;
float dx, dy;
if (Cocoa.SendBool(e, selHasPreciseScrollingDeltas))
{
factor = 1.0f / scrollFactor; // Problem: Don't know what factor to use here, but this seems to work.
dx = Cocoa.SendFloat(e, selScrollingDeltaX) / scrollFactor;
dy = Cocoa.SendFloat(e, selScrollingDeltaY) / scrollFactor;
}
else
{
dx = Cocoa.SendFloat(e, selDeltaX);
dy = Cocoa.SendFloat(e, selDeltaY);
}
MouseState.SetScrollRelative(0, scrollingDelta * factor);
OnMouseWheel();
// Only raise wheel events when the user has actually scrolled
if (dx != 0 || dy != 0)
{
MouseState.SetScrollRelative(dx, dy);
OnMouseWheel();
}
}
break;