diff options
Diffstat (limited to 'examples/create-window/main.go')
| -rw-r--r-- | examples/create-window/main.go | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/examples/create-window/main.go b/examples/create-window/main.go index d4f6d96..9510f9c 100644 --- a/examples/create-window/main.go +++ b/examples/create-window/main.go @@ -17,6 +17,7 @@ func main() { fmt.Println(err) return } + defer X.Close() // xproto.Setup retrieves the Setup information from the setup bytes // gathered during connection. @@ -122,7 +123,22 @@ func main() { return // exit on q } case xproto.DestroyNotifyEvent: - return // Exit if we get a DestroyNotifyEvent. + // Depending on the user's desktop environment (especially + // window manager), killing a window might close the + // client's X connection (e. g. the default Ubuntu + // desktop environment). + // + // If that's the case for your environment, closing this example's window + // will also call the underlying Go program (because closing the X + // connection gives a nil event and EOF error). + // + // Consider how a single application might have multiple windows + // (e.g. an open popup or dialog, ...) + // + // With other DEs, the X connection will still stay open even after the + // X window is closed. For these DEs (e.g. i3) we have to check whether + // the WM sent us a DestroyNotifyEvent and close our program: + return } } } |