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example/randr: check the GetOutputInfo's mode length (virtual head can have zero mode)

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snyh 2013-12-30 16:58:14 +08:00 committed by Přemysl Janouch
parent 76f9adb599
commit 64c6e6170d
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 6 additions and 4 deletions
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10
nexgb/examples/randr/main.go
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@ -45,10 +45,12 @@ func main() {
log.Fatal(err)
}
bestMode := info.Modes[0]
for _, mode := range resources.Modes {
if mode.Id == uint32(bestMode) {
fmt.Printf("Width: %d, Height: %d\n", mode.Width, mode.Height)
if len(info.Modes) > 0 {
bestMode := info.Modes[0]
for _, mode := range resources.Modes {
if mode.Id == uint32(bestMode) {
fmt.Printf("Width: %d, Height: %d\n", mode.Width, mode.Height)
}
}
}
}