implemented everything else and added more examples and docs

_examples/events/main.go

@@ -0,0 +1,58 @@
+package main
+
+/*
+   Demonstrate subscribing to events
+*/
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"github.com/alecthomas/repr"
+	"github.com/tlinden/i3ipc"
+)
+
+// Event callback function, needs to implement each subscribed events,
+// fed to it as RawResponse
+func ProcessTick(event *i3ipc.RawResponse) error {
+	var err error
+	switch event.PayloadType {
+	case i3ipc.EV_Tick:
+		ev := &i3ipc.EventTick{}
+		err = json.Unmarshal(event.Payload, &ev)
+		repr.Println(ev)
+	case i3ipc.EV_Window:
+		ev := &i3ipc.EventWindow{}
+		err = json.Unmarshal(event.Payload, &ev)
+		repr.Println(ev)
+	default:
+		return fmt.Errorf("received unsubscribed event %d", event.PayloadType)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func main() {
+	ipc := i3ipc.NewI3ipc()
+
+	err := ipc.Connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer ipc.Close()
+
+	_, err = ipc.Subscribe(&i3ipc.Event{
+		Tick:   true,
+		Window: true,
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ipc.EventLoop(ProcessTick)
+}