examples. some should be tests

1 files changed, 48 insertions, 0 deletions

diff --git a/nexgb/examples/randr.go b/nexgb/examples/randr.go
new file mode 100644
index 0000000..064856d
--- /dev/null
+++ b/nexgb/examples/randr.go
@@ -0,0 +1,48 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/BurntSushi/xgb"
+)
+
+func main() {
+	X, _ := xgb.NewConn()
+
+	err := X.RegisterExtension("randr")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	resources, err := X.RandrGetScreenResources(X.DefaultScreen().Root).Reply()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, output := range resources.Outputs {
+		info, err := X.RandrGetOutputInfo(output, 0).Reply()
+		if err != nil {
+			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)
+			}
+		}
+	}
+
+	fmt.Println("\n")
+
+	for _, crtc := range resources.Crtcs {
+		info, err := X.RandrGetCrtcInfo(crtc, 0).Reply()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("X: %d, Y: %d, Width: %d, Height: %d\n",
+			info.X, info.Y, info.Width, info.Height)
+	}
+}
+