first cui layout

_cui_examples/mouse.go

@@ -45,6 +45,7 @@ func layout(g *gocui.Gui) error {
 		fmt.Fprintln(v, "Button 1 - line 3")
 		fmt.Fprintln(v, "Button 1 - line 4")
 	}
+
 	if v, err := g.SetView("but2", 24, 2, 44, 4); err != nil {
 		if err != gocui.ErrUnknownView {
 			return err

src/cui.go

+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/jroimartin/gocui"
+)
+
+func layout(g *gocui.Gui) error {
+	maxX, maxY := g.Size()
+
+	if v, err := g.SetView("side", 0, 0, int(0.2*float32(maxX)), maxY-1); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Highlight = true
+		v.SelBgColor = gocui.ColorGreen
+		v.SelFgColor = gocui.ColorBlack
+		fmt.Fprintln(v, "New Project")
+		fmt.Fprintln(v, "New From Zentao")
+		fmt.Fprintln(v, "Switch Project")
+	}
+
+	if _, err := g.SetView("main", int(0.2*float32(maxX)), 0, maxX-1, maxY-5); err != nil &&
+		err != gocui.ErrUnknownView {
+		return err
+	}
+	if _, err := g.SetView("cmdline", int(0.2*float32(maxX)), maxY-5, maxX-1, maxY-1); err != nil &&
+		err != gocui.ErrUnknownView {
+		return err
+	}
+	return nil
+}
+
+func quit(g *gocui.Gui, v *gocui.View) error {
+	return gocui.ErrQuit
+}
+
+func main() {
+	g, err := gocui.NewGui(gocui.OutputNormal)
+	if err != nil {
+		log.Panicln(err)
+	}
+	defer g.Close()
+
+	g.Cursor = true
+	g.Mouse = true
+	g.SetManagerFunc(layout)
+
+	if err := keybindings(g); err != nil {
+		log.Panicln(err)
+	}
+
+	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
+		log.Panicln(err)
+	}
+}
+
+func keybindings(g *gocui.Gui) error {
+	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
+		return err
+	}
+	for _, n := range []string{"side"} {
+		if err := g.SetKeybinding(n, gocui.MouseLeft, gocui.ModNone, showMsg); err != nil {
+			return err
+		}
+	}
+	if err := g.SetKeybinding("msg", gocui.MouseLeft, gocui.ModNone, delMsg); err != nil {
+		return err
+	}
+	return nil
+}
+
+func showMsg(g *gocui.Gui, v *gocui.View) error {
+	var l string
+	var err error
+
+	if _, err := g.SetCurrentView(v.Name()); err != nil {
+		return err
+	}
+
+	_, cy := v.Cursor()
+	if l, err = v.Line(cy); err != nil {
+		l = ""
+	}
+
+	mainView, err := g.View("main")
+	fmt.Fprintln(mainView, l)
+
+	//maxX, maxY := g.Size()
+	//if v, err := g.SetView("msg", maxX/2-10, maxY/2, maxX/2+10, maxY/2+2); err != nil {
+	//	if err != gocui.ErrUnknownView {
+	//		return err
+	//	}
+	//	fmt.Fprintln(v, l)
+	//}
+	return nil
+}
+
+func delMsg(g *gocui.Gui, v *gocui.View) error {
+	if err := g.DeleteView("msg"); err != nil {
+		return err
+	}
+	return nil
+}