xgb-monitors: add an experimental dumper

prototypes/xgb-monitors.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"github.com/BurntSushi/xgb"
+	"github.com/BurntSushi/xgb/xproto"
+	"log"
+
+	// Needs a patched local version with xcb-proto 1.12 and this fix:
+	// -size := xgb.Pad((8 + (24 + xgb.Pad((int(NOutput) * 4)))))
+	// +size := xgb.Pad((8 + (24 + xgb.Pad((int(Monitorinfo.NOutput) * 4)))))
+	"github.com/BurntSushi/xgb/randr"
+)
+
+func main() {
+	X, err := xgb.NewConn()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	if err := randr.Init(X); err != nil {
+		log.Fatalln(err)
+	}
+
+	setup := xproto.Setup(X)
+	screen := setup.DefaultScreen(X)
+
+	ms, err := randr.GetMonitors(X, screen.Root, true /* GetActive */).Reply()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	for _, m := range ms.Monitors {
+		reply, err := xproto.GetAtomName(X, m.Name).Reply()
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		log.Printf("Monitor %s %+v\n", reply.Name, m)
+	}
+}