Switch to go in order to use tcell

micro.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"fmt"
+	"github.com/mattn/go-isatty"
+	"io/ioutil"
+	"os"
+
+	"github.com/gdamore/tcell"
+)
+
+const (
+	tabSize = 4
+)
+
+func main() {
+	var input []byte
+	var filename string
+
+	if len(os.Args) > 1 {
+		filename = os.Args[1]
+		var err error
+		input, err = ioutil.ReadFile(filename)
+
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+	} else if !isatty.IsTerminal(os.Stdin.Fd()) {
+		bytes, err := ioutil.ReadAll(os.Stdin)
+		if err != nil {
+			fmt.Println("Error reading stdin")
+			os.Exit(1)
+		}
+		input = bytes
+	}
+
+	s, e := tcell.NewScreen()
+	if e != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", e)
+		os.Exit(1)
+	}
+	if e := s.Init(); e != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", e)
+		os.Exit(1)
+	}
+	s.EnableMouse()
+
+	v := newViewFromBuffer(newBuffer(string(input), filename), s)
+
+	// Initially everything needs to be drawn
+	redraw := 2
+	for {
+		if redraw == 2 {
+			s.Clear()
+			v.display()
+			v.cursor.display()
+			s.Show()
+		} else if redraw == 1 {
+			v.cursor.display()
+			s.Show()
+		}
+
+		event := s.PollEvent()
+
+		switch e := event.(type) {
+		case *tcell.EventKey:
+			if e.Key() == tcell.KeyCtrlQ {
+				s.Fini()
+				os.Exit(0)
+			}
+		}
+
+		redraw = v.handleEvent(event)
+	}
+}