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Bug fix: we can't draw on a window after closing

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This commit is contained in:
Hajime Hoshi 2013-12-11 01:01:01 +09:00
parent 0c51a7a362
commit f4e59293fb
1 changed files with 6 additions and 0 deletions
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6
ui/cocoa/window.go
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@ -25,6 +25,7 @@ type Window struct {
screenWidth int screenWidth int
screenHeight int screenHeight int
screenScale int screenScale int
closed bool
native unsafe.Pointer native unsafe.Pointer
canvas *opengl.Canvas canvas *opengl.Canvas
funcs chan func() funcs chan func()
@ -40,6 +41,7 @@ func runWindow(ui *UI, width, height, scale int, title string, sharedContext uns
screenWidth: width, screenWidth: width,
screenHeight: height, screenHeight: height,
screenScale: scale, screenScale: scale,
closed: false,
funcs: make(chan func()), funcs: make(chan func()),
funcsDone: make(chan struct{}), funcsDone: make(chan struct{}),
} }
@ -80,6 +82,9 @@ func (w *Window) loop() {
} }
func (w *Window) Draw(f func(graphics.Canvas)) { func (w *Window) Draw(f func(graphics.Canvas)) {
if w.closed {
return
}
w.useContext(func() { w.useContext(func() {
w.ui.graphicsDevice.Update(w.canvas, f) w.ui.graphicsDevice.Update(w.canvas, f)
}) })
@ -127,5 +132,6 @@ func ebiten_InputUpdated(nativeWindow unsafe.Pointer, inputType C.InputType, cx,
//export ebiten_WindowClosed //export ebiten_WindowClosed
func ebiten_WindowClosed(nativeWindow unsafe.Pointer) { func ebiten_WindowClosed(nativeWindow unsafe.Pointer) {
w := windows[nativeWindow] w := windows[nativeWindow]
w.closed = true
w.notifyWindowClosed(ui.WindowClosedEvent{}) w.notifyWindowClosed(ui.WindowClosedEvent{})
} }