public WindowBaseImpl(GtkWindow gtkWidget)
{
GtkWidget = gtkWidget;
Disposables.Add(gtkWidget);
_framebuffer = new FramebufferManager(this);
_imContext = Native.GtkImMulticontextNew();
Disposables.Add(_imContext);
Native.GtkWidgetSetEvents(gtkWidget, 0xFFFFFE);
Disposables.Add(Signal.Connect <Native.D.signal_commit>(_imContext, "commit", OnCommit));
Connect <Native.D.signal_widget_draw>("draw", OnDraw);
Connect <Native.D.signal_generic>("realize", OnRealized);
ConnectEvent("configure-event", OnConfigured);
ConnectEvent("button-press-event", OnButton);
ConnectEvent("button-release-event", OnButton);
ConnectEvent("motion-notify-event", OnMotion);
ConnectEvent("scroll-event", OnScroll);
ConnectEvent("window-state-event", OnStateChanged);
ConnectEvent("key-press-event", OnKeyEvent);
ConnectEvent("key-release-event", OnKeyEvent);
ConnectEvent("leave-notify-event", OnLeaveNotifyEvent);
Connect <Native.D.signal_generic>("destroy", OnDestroy);
Native.GtkWidgetRealize(gtkWidget);
_lastSize = ClientSize;
GlibTimeout.Add(0, 16, () =>
{
Invalidate(default(Rect));
return(true);
});
if (Gtk3Platform.UseDeferredRendering)
{
Native.GtkWidgetSetDoubleBuffered(gtkWidget, false);
_gcHandle = GCHandle.Alloc(this);
Native.GtkWidgetAddTickCallback(GtkWidget, PinnedStaticCallback, GCHandle.ToIntPtr(_gcHandle), IntPtr.Zero);
}
}
public void Signal()
{
lock (_lock)
if (!_signaled)
{
_signaled = true;
GlibTimeout.Add(0, () =>
{
lock (_lock)
{
_signaled = false;
}
Signaled?.Invoke();
return(false);
});
}
}
public void Signal(DispatcherPriority prio)
{
var idx = (int)prio;
lock (_lock)
if (!_signaled[idx])
{
_signaled[idx] = true;
GlibTimeout.Add(GlibPriority.FromDispatcherPriority(prio), 0, () =>
{
lock (_lock)
{
_signaled[idx] = false;
}
Signaled?.Invoke(prio);
return(false);
});
}
}
Task <T> RunOnGtkThread <T>(Func <T> action)
{
var tcs = new TaskCompletionSource <T>();
GlibTimeout.Add(0, 0, () =>
{
try
{
tcs.SetResult(action());
}
catch (Exception e)
{
tcs.TrySetException(e);
}
return(false);
});
return(tcs.Task);
}