From f4f2d95a627a6b5169d70d1af56dc03a17d6b853 Mon Sep 17 00:00:00 2001
From: Lennart Buhl <git@hackmate.de>
Date: Sun, 7 Feb 2016 03:33:03 +0100
Subject: [PATCH] data.RenderFrame() now draws in the vertical middle of the
 screen

---
 cmd/client.go  | 12 ++++++------
 data/screen.go |  6 ++++--
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/cmd/client.go b/cmd/client.go
index 686ad68..79e3870 100644
--- a/cmd/client.go
+++ b/cmd/client.go
@@ -28,7 +28,7 @@ var (
 )
 
 func register(con net.Conn, id int) error {
-	w, h := 0, 0               //data.TestNC()
+	w, h := data.GetXY()
 	enc := gob.NewEncoder(con) // Encoder
 	err := enc.Encode(data.Handshake{ID: id, H: h, W: w})
 	return err
@@ -42,11 +42,11 @@ func render() {
 }
 
 func runClient(cmd *cobra.Command, args []string) {
-	c := make(chan os.Signal)
-	signal.Notify(c, os.Interrupt, os.Kill)
-	signal.Notify(c, syscall.SIGTERM)
+	osChan := make(chan os.Signal)
+	signal.Notify(osChan, os.Interrupt, os.Kill)
+	signal.Notify(osChan, syscall.SIGTERM)
 
-	data.InitNC(c)
+	data.InitNC(osChan)
 	// really important???
 	defer data.ExitNC()
 
@@ -78,7 +78,7 @@ func runClient(cmd *cobra.Command, args []string) {
 		renderQueue <- oFrame
 
 		select {
-		case <-c:
+		case _ = <-osChan:
 			// funzt noch nicht:
 			log.Println("Got a KILL")
 			con.Close()
diff --git a/data/screen.go b/data/screen.go
index cf9f3b8..396f238 100644
--- a/data/screen.go
+++ b/data/screen.go
@@ -19,8 +19,10 @@ func RenderFrame(f *Frame) {
 	winMutex.Lock()
 	if win != nil {
 		//win.Clear()
+		winY, _ := win.MaxYX()
+		yOff := (winY - f.H) / 2
 		for k, _ := range f.Data {
-			win.MovePrint(k, 0, string(f.Data[k]))
+			win.MovePrint(yOff+k, 0, string(f.Data[k]))
 		}
 	}
 	winMutex.Unlock()
@@ -65,7 +67,7 @@ func GetChar() int {
 	return 0
 }
 
-func testNC() (int, int) {
+func GetXY() (int, int) {
 	win, err := nc.Init()
 	if err != nil {
 		log.Fatal(err)