Cocoa Keyboard Shortcuts in Dialog without an Edit Menu

Question

I have an LSUIElement application that displays a menubar status item. The application can display a dialog window that contains a text field.

If the u

Answer 1

Here's Travis' answer as C# for use with Xamarin.Mac:

    public override bool PerformKeyEquivalent (AppKit.NSEvent e)
    {
        if (e.Type == NSEventType.KeyDown) {
            var inputKey = e.CharactersIgnoringModifiers.ToLower ();
            if (   (e.ModifierFlags & NSEventModifierMask.DeviceIndependentModifierFlagsMask) == NSEventModifierMask.CommandKeyMask
                || (e.ModifierFlags & NSEventModifierMask.DeviceIndependentModifierFlagsMask) == (NSEventModifierMask.CommandKeyMask | NSEventModifierMask.AlphaShiftKeyMask)) {
                switch (inputKey) {
                case "x":
                    NSApplication.SharedApplication.SendAction (new Selector ("cut:"), null, this);
                    return true;
                case "c":
                    NSApplication.SharedApplication.SendAction (new Selector ("copy:"), null, this);
                    return true;
                case "v":
                    NSApplication.SharedApplication.SendAction (new Selector ("paste:"), null, this);
                    return true;
                case "z":
                    NSApplication.SharedApplication.SendAction (new Selector ("undo:"), null, this);
                    return true;
                case "a":
                    NSApplication.SharedApplication.SendAction (new Selector ("selectAll:"), null, this);
                    return true;
                }
            } else if (   (e.ModifierFlags & NSEventModifierMask.DeviceIndependentModifierFlagsMask) == (NSEventModifierMask.CommandKeyMask | NSEventModifierMask.ShiftKeyMask)
                       || (e.ModifierFlags & NSEventModifierMask.DeviceIndependentModifierFlagsMask) == (NSEventModifierMask.CommandKeyMask | NSEventModifierMask.ShiftKeyMask | NSEventModifierMask.AlphaShiftKeyMask)) {
                switch (inputKey) {
                case "z":
                    NSApplication.SharedApplication.SendAction (new Selector ("redo:"), null, this);
                    return true;
                }
            }
        }
        return base.PerformKeyEquivalent(e);
    }