56 lines
862 B
Go
56 lines
862 B
Go
package ui
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type Context interface {
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Animate()
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HasQuit() bool
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Images() *Images
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Quit()
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Renderer() Renderer
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Style() *Style
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}
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var _ Context = &context{}
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var _ EventTarget = &context{}
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type context struct {
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animate bool
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quit chan struct{}
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r Renderer
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view Control
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ims *Images
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style *Style
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}
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func (c *context) Animate() { c.animate = true }
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func (c *context) HasQuit() bool {
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select {
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case <-c.quit:
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return true
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default:
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return false
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}
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}
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func (c *context) Images() *Images { return c.ims }
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func (c *context) Quit() {
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if !c.HasQuit() {
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close(c.quit)
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}
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}
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func (c *context) Renderer() Renderer { return c.r }
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func (c *context) Style() *Style { return c.style }
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// Handle implement EventTarget
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func (c *context) Handle(e Event) {
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switch e.(type) {
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case *DisplayCloseEvent:
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c.Quit()
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return
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}
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c.view.Handle(c, e)
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}
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