Initial commit

vendor/go.i3wm.org/i3/sync.go

@@ -0,0 +1,32 @@
+package i3
+
+import "encoding/json"
+
+// SyncRequest represents the payload of a Sync request.
+type SyncRequest struct {
+	Window uint32 `json:"window"` // X11 window id
+	Rnd    uint32 `json:"rnd"`    // Random value for distinguishing requests
+}
+
+// SyncResult attests the sync command was successful.
+type SyncResult struct {
+	Success bool `json:"success"`
+}
+
+// Sync sends a tick event with the provided payload.
+//
+// Sync is supported in i3 ≥ v4.16 (2018-11-04).
+func Sync(req SyncRequest) (SyncResult, error) {
+	b, err := json.Marshal(req)
+	if err != nil {
+		return SyncResult{}, err
+	}
+	reply, err := roundTrip(messageTypeSync, b)
+	if err != nil {
+		return SyncResult{}, err
+	}
+
+	var tr SyncResult
+	err = json.Unmarshal(reply.Payload, &tr)
+	return tr, err
+}