类型 WindowMode

const (
	// WindowTitled is the standard titled window with traffic lights.
	WindowTitled WindowMode = iota
	// WindowFrameless hides all window chrome including traffic lights.
	WindowFrameless
	// WindowCustomTitlebar keeps traffic lights but extends content full
	// height behind a transparent titlebar. The window is moved from the move
	// regions the page declares (ui.Canvas.MoveRegion, flex Box.MovesWindow),
	// and from nowhere else.
	WindowCustomTitlebar
	// WindowPanel is a transient popup beside a status item: no chrome, above
	// other windows, taking keyboard focus without bringing the rest of the
	// application forward. Set Config.Anchor to the StatusClick's anchor. It
	// closes itself when it loses focus; OnClosed reports that, and OnCloseRequest
	// is not asked.
	WindowPanel
)