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// Copyright 2015 The Tops'l Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"os"
"github.com/gdamore/tcell"
"github.com/gdamore/tcell/views"
)
type boxL struct {
views.BoxLayout
}
var app = &views.Application{}
var box = &boxL{}
func (m *boxL) HandleEvent(ev tcell.Event) bool {
switch ev := ev.(type) {
case *tcell.EventKey:
if ev.Key() == tcell.KeyEscape {
app.Quit()
return true
}
}
return m.BoxLayout.HandleEvent(ev)
}
func main() {
title := &views.TextBar{}
title.SetStyle(tcell.StyleDefault.
Background(tcell.ColorYellow).
Foreground(tcell.ColorBlack))
title.SetCenter("Horizontal Boxes", tcell.StyleDefault)
title.SetLeft("ESC to exit", tcell.StyleDefault.
Background(tcell.ColorBlue).
Foreground(tcell.ColorWhite))
title.SetRight("==>X", tcell.StyleDefault)
inner := views.NewBoxLayout(views.Horizontal)
l := views.NewText()
m := views.NewText()
r := views.NewText()
l.SetText("Left (0.0)")
m.SetText("Middle (0.7)")
r.SetText("Right (0.3)")
l.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorRed))
m.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorLime))
r.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorBlue))
l.SetAlignment(views.AlignBegin)
m.SetAlignment(views.AlignMiddle)
r.SetAlignment(views.AlignEnd)
inner.AddWidget(l, 0)
inner.AddWidget(m, 0.7)
inner.AddWidget(r, 0.3)
box.SetOrientation(views.Vertical)
box.AddWidget(title, 0)
box.AddWidget(inner, 1)
app.SetRootWidget(box)
if e := app.Run(); e != nil {
fmt.Fprintln(os.Stderr, e.Error())
os.Exit(1)
}
}
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