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//
// ToggleButtonBackend.cs
//
// Author:
// Lluis Sanchez Gual <lluis@xamarin.com>
//
// Copyright (c) 2012 Xamarin Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using AppKit;
using Xwt.Backends;
namespace Xwt.Mac
{
public class ToggleButtonBackend: ButtonBackend, IToggleButtonBackend
{
NSCellStateValue lastState;
public bool Active {
get { return Widget.State == NSCellStateValue.On; }
set {
Widget.State = value? NSCellStateValue.On : NSCellStateValue.Off;
NotifyToggle ();
}
}
public new IToggleButtonEventSink EventSink {
get { return (IToggleButtonEventSink) base.EventSink; }
}
public ToggleButtonBackend ()
{
}
public override void Initialize ()
{
base.Initialize ();
Widget.SetButtonType (NSButtonType.PushOnPushOff);
lastState = Widget.State = NSCellStateValue.Off;
((MacButton)Widget).ActivatedInternal += (obj) => NotifyToggle();
}
internal void NotifyToggle ()
{
if (lastState != Widget.State) {
switch (((Button)Frontend).Style) {
case ButtonStyle.Borderless:
case ButtonStyle.Flat:
Widget.ShowsBorderOnlyWhileMouseInside = !Active;
break;
}
lastState = Widget.State;
ApplicationContext.InvokeUserCode (delegate {
EventSink.OnToggled ();
});
}
}
}
}
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