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Made Application.Draw() thread-safe (for real this time). Fixes #136

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This commit is contained in:
Oliver 2018-07-27 16:30:50 +02:00
parent 100f053ee1
commit cc64ead1ed
1 changed files with 3 additions and 2 deletions
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5
application.go
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@ -227,13 +227,14 @@ func (a *Application) Suspend(f func()) bool {
// Draw refreshes the screen. It calls the Draw() function of the application's // Draw refreshes the screen. It calls the Draw() function of the application's
// root primitive and then syncs the screen buffer. // root primitive and then syncs the screen buffer.
func (a *Application) Draw() *Application { func (a *Application) Draw() *Application {
a.RLock() a.Lock()
defer a.Unlock()
screen := a.screen screen := a.screen
root := a.root root := a.root
fullscreen := a.rootFullscreen fullscreen := a.rootFullscreen
before := a.beforeDraw before := a.beforeDraw
after := a.afterDraw after := a.afterDraw
a.RUnlock()
// Maybe we're not ready yet or not anymore. // Maybe we're not ready yet or not anymore.
if screen == nil || root == nil { if screen == nil || root == nil {