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[Mac] Implement INativeWindow.Cursor

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This commit is contained in:
thefiddler 2014-04-27 19:45:20 +02:00
parent 283a785703
commit 48e21328c5
1 changed files with 38 additions and 8 deletions
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46
Source/OpenTK/Platform/MacOS/CocoaNativeWindow.cs
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@ -112,6 +112,7 @@ namespace OpenTK.Platform.MacOS
//static readonly IntPtr selIsInFullScreenMode = Selector.Get("isInFullScreenMode");
//static readonly IntPtr selExitFullScreenModeWithOptions = Selector.Get("exitFullScreenModeWithOptions:");
//static readonly IntPtr selEnterFullScreenModeWithOptions = Selector.Get("enterFullScreenMode:withOptions:");
static readonly IntPtr selArrowCursor = Selector.Get("arrowCursor");
static readonly IntPtr NSDefaultRunLoopMode;
static readonly IntPtr NSCursor;
@ -142,8 +143,10 @@ namespace OpenTK.Platform.MacOS
private int normalLevel;
private bool shouldClose;
private int suppressResize;
private const float scrollFactor = 120.0f;
private bool cursorInsideWindow = true;
private MouseCursor selectedCursor = MouseCursor.Default; // user-selected cursor
private const float scrollFactor = 120.0f;
private const bool exclusiveFullscreen = false;
public CocoaNativeWindow(int x, int y, int width, int height, string title, GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
@ -412,11 +415,12 @@ namespace OpenTK.Platform.MacOS
var trackingAreaOwner = Cocoa.SendIntPtr(eventTrackingArea, selOwner);
if (trackingAreaOwner == windowInfo.ViewHandle)
{
if (!cursorVisible)
if (selectedCursor != MouseCursor.Default)
{
SetCursorVisible(false);
SetCursor(selectedCursor);
}
cursorInsideWindow = true;
MouseEnter(this, EventArgs.Empty);
}
}
@ -428,11 +432,12 @@ namespace OpenTK.Platform.MacOS
var trackingAreaOwner = Cocoa.SendIntPtr(eventTrackingArea, selOwner);
if (trackingAreaOwner == windowInfo.ViewHandle)
{
if (!cursorVisible)
if (selectedCursor != MouseCursor.Default)
{
SetCursorVisible(true);
SetCursor(MouseCursor.Default);
}
cursorInsideWindow = false;
MouseLeave(this, EventArgs.Empty);
}
}
@ -889,10 +894,20 @@ namespace OpenTK.Platform.MacOS
{
get
{
return MouseCursor.Default;
return selectedCursor;
}
set
{
// We only modify the cursor when it is
// inside the window and visible.
// If it is outside the window or invisible,
// we store the selected cursor and change it
// in the MouseEnter event.
if (CursorVisible && cursorInsideWindow)
{
SetCursor(value);
}
selectedCursor = value;
}
}
@ -977,11 +992,26 @@ namespace OpenTK.Platform.MacOS
private void SetCursorVisible(bool visible)
{
// Problem: Unlike the PC version, you can move the mouse out of the window.
// Perhaps use CG.WarpMouseCursorPosition to clamp mouse?
Carbon.CG.AssociateMouseAndMouseCursorPosition(visible);
Cocoa.SendVoid(NSCursor, visible ? selUnhide : selHide);
}
private void SetCursor(MouseCursor cursor)
{
if (cursor == MouseCursor.Default)
{
Cocoa.SendVoid(NSCursor, selUnhide);
}
else if (cursor == MouseCursor.Empty)
{
Cocoa.SendVoid(NSCursor, selHide);
}
else
{
throw new NotImplementedException();
}
}
private void SetMenuVisible(bool visible)
{
var options = (NSApplicationPresentationOptions)Cocoa.SendInt(NSApplication.Handle, selPresentationOptions);