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| author | snyh <snyh@snyh.org> | 2013-12-30 16:58:14 +0800 |
|---|---|---|
| committer | Přemysl Janouch <p@janouch.name> | 2018-09-08 16:49:22 +0200 |
| commit | 64c6e6170d86dd4b18d04c49888a6b8ac472c4d6 (patch) | |
| tree | dbde0f1f2b58d060ca84f1c05fde2d9cc807f9f8 | |
| parent | 76f9adb5991081e27ebc6eec82db6bdba36c910f (diff) | |
| download | haven-64c6e6170d86dd4b18d04c49888a6b8ac472c4d6.tar.gz haven-64c6e6170d86dd4b18d04c49888a6b8ac472c4d6.tar.xz haven-64c6e6170d86dd4b18d04c49888a6b8ac472c4d6.zip | |
example/randr: check the GetOutputInfo's mode length (virtual head can have zero mode)
| -rw-r--r-- | nexgb/examples/randr/main.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/nexgb/examples/randr/main.go b/nexgb/examples/randr/main.go index ad575ee..427aed6 100644 --- a/nexgb/examples/randr/main.go +++ b/nexgb/examples/randr/main.go @@ -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) + } } } } |