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Diffstat (limited to 'nexgb/examples/xinerama/main.go')
-rw-r--r-- | nexgb/examples/xinerama/main.go | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/nexgb/examples/xinerama/main.go b/nexgb/examples/xinerama/main.go new file mode 100644 index 0000000..896bb63 --- /dev/null +++ b/nexgb/examples/xinerama/main.go @@ -0,0 +1,40 @@ +// Example xinerama shows how to query the geometry of all active heads. +package main + +import ( + "fmt" + "log" + + "github.com/BurntSushi/xgb" + "github.com/BurntSushi/xgb/xinerama" +) + +func main() { + X, err := xgb.NewConn() + if err != nil { + log.Fatal(err) + } + + // Initialize the Xinerama extension. + // The appropriate 'Init' function must be run for *every* + // extension before any of its requests can be used. + err = xinerama.Init(X) + if err != nil { + log.Fatal(err) + } + + // Issue a request to get the screen information. + reply, err := xinerama.QueryScreens(X).Reply() + if err != nil { + log.Fatal(err) + } + + // reply.Number is the number of active heads, while reply.ScreenInfo + // is a slice of XineramaScreenInfo containing the rectangle geometry + // of each head. + fmt.Printf("Number of heads: %d\n", reply.Number) + for i, screen := range reply.ScreenInfo { + fmt.Printf("%d :: X: %d, Y: %d, Width: %d, Height: %d\n", + i, screen.XOrg, screen.YOrg, screen.Width, screen.Height) + } +} |