public IAsyncOperation <IUICommand> ShowAsync()
{
Func <CancellationToken, Task <IUICommand> > func = async(ct) =>
{
return(await Task.Run(() =>
{
var waitHandle = new ManualResetEventSlim();
int result = -1;
Gtk.Application.Invoke((s, a) =>
{
var dialog = new Gtk.Dialog(Title, GtkHost.Window, Gtk.DialogFlags.Modal);
dialog.SkipTaskbarHint = true;
Gtk.Label label = new Gtk.Label(Content);
label.Halign = Gtk.Align.Fill;
dialog.ContentArea.Add(label);
label.Show();
if (Commands.Count == 0)
{
Commands.Add(new UICommand("Close"));
}
for (int i = 0; i < Commands.Count; ++i)
{
dialog.AddButton(Commands[i].Label, i);
}
dialog.DefaultResponse = (Gtk.ResponseType)DefaultCommandIndex;
result = dialog.Run();
dialog.Hide();
// dialog.Destroy();
dialog.Dispose();
waitHandle.Set();
});
waitHandle.Wait();
if (result < 0)
{
result = unchecked ((int)CancelCommandIndex);
}
// CancelCommandIndex still not set.
if (result < 0)
{
result = (int)DefaultCommandIndex;
}
return Commands[result];
}, ct));
};
return(FromTaskFunction.Invoke(null, new object[] { func }) as IAsyncOperation <IUICommand>);
}
public static void ShowHintWindow(Gtk.Widget parent, String caption, String text)
{
Gtk.Dialog dialog = new Gtk.Dialog();
dialog.ParentWindow = parent.GdkWindow;
dialog.Parent = parent;
dialog.Title = caption;
dialog.VBox.PackStart(new Gtk.Label(text), true, true, 12);
Gtk.Button closeButton = (Gtk.Button)dialog.AddButton(Gtk.Stock.Ok, Gtk.ResponseType.Close);
closeButton.Clicked += delegate(object sender, EventArgs ea) { dialog.Hide(); dialog.Dispose(); };
EventHandler showDelegate = delegate(object s, EventArgs ea) { dialog.ShowAll(); dialog.Present(); };
Gtk.Application.Invoke(showDelegate);
}
public void Dispose()
{
dialog.Dispose();
}
public static void ShowHintWindow(Gtk.Widget parent, String caption, String text)
{
Gtk.Dialog dialog = new Gtk.Dialog();
dialog.ParentWindow = parent.GdkWindow;
dialog.Parent = parent;
dialog.Title = caption;
dialog.VBox.PackStart(new Gtk.Label(text), true, true, 12);
Gtk.Button closeButton = (Gtk.Button)dialog.AddButton(Gtk.Stock.Ok, Gtk.ResponseType.Close);
closeButton.Clicked += delegate(object sender, EventArgs ea) { dialog.Hide(); dialog.Dispose(); };
EventHandler showDelegate = delegate(object s, EventArgs ea) { dialog.ShowAll(); dialog.Present(); };
Gtk.Application.Invoke(showDelegate);
}
