static IDisposable CreateSubMenu(Menu menu, ItemCollection nativeMenu, WindowWithOverlays inputBindings, IScheduler dispatcher, bool applyStyle)
{
return(menu.Items
.ObserveOn(Fusion.Application.MainThread)
.UnsafeAsObservableList()
.Select(item => CreateItem(item, inputBindings, dispatcher, applyStyle))
.DisposeElements(item => item.Tag as IDisposable ?? Disposable.Empty)
.Subscribe(change => change.ApplyLegacy(nativeMenu)));
}
public IDisposable AddOverlay(string name, WindowWithOverlays overlayWindow = null, int zIndex = 0)
{
var hostWindow = this;
return(Disposable.Combine(
overlayWindow == null
? Disposable.Empty
: hostWindow._bindings.ObserveOn(Fusion.Application.MainThread).SubscribeUsing(overlayWindow.Bind),
overlayWindow == null
? Disposable.Empty
: overlayWindow._bindings.ObserveOn(Fusion.Application.MainThread).SubscribeUsing(hostWindow.Bind)));
}
public static System.Windows.Controls.Control CreateItem(MenuItem item, WindowWithOverlays inputBindings, IScheduler dispatcher, bool applyStyle)
{
if (item.IsSeparator)
{
return(new Separator());
}
var menuItem = new System.Windows.Controls.MenuItem();
if (applyStyle)
{
menuItem.Foreground = System.Windows.Media.Brushes.Black;
}
Action click = () => { };
menuItem.Click += (s, a) => click();
menuItem.Tag =
Disposable.Combine(
item.Menu.Select(submenu => CreateSubMenu(submenu, menuItem.Items, inputBindings, dispatcher, true)).Or(Disposable.Empty),
item.Command.Action.CombineLatest(item.Name).ObserveOn(dispatcher).SubscribeUsing(cmdName =>
{
var cmd = cmdName.Item1;
var name = cmdName.Item2;
var command = new WpfCommand(cmd);
menuItem.Header = name;
menuItem.Command = command;
return(item.Hotkey != HotKey.None && inputBindings != null
? inputBindings.AddInputBinding(item.Hotkey, menuItem, command)
: Disposable.Empty);
}),
item.IsToggled.Subscribe(isToggled =>
{
dispatcher.Schedule(() => { menuItem.IsChecked = isToggled; });
}));
return(menuItem);
}
public static IDisposable Populate(Menu menu, System.Windows.Controls.Menu mainMenu, WindowWithOverlays inputBindings, IScheduler dispatcher)
{
return(CreateSubMenu(menu, mainMenu.Items, inputBindings, dispatcher, false));
}