package ui type Context interface { HasQuit() bool Images() *Images Quit() Renderer() Renderer Style() *Style } var _ Context = &context{} var _ EventTarget = &context{} type context struct { quit bool r Renderer view Control ims *Images style *Style } func (c *context) HasQuit() bool { return c.quit } func (c *context) Images() *Images { return c.ims } func (c *context) Quit() { c.quit = true } func (c *context) Renderer() Renderer { return c.r } func (c *context) Style() *Style { return c.style } // Handle implement EventTarget func (c *context) Handle(e Event) { switch e.(type) { case *DisplayCloseEvent: c.Quit() return } c.view.Handle(c, e) }