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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 box = &boxL{}
var app = &views.Application{}
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.NewTextBar()
title.SetStyle(tcell.StyleDefault.
Foreground(tcell.ColorBlack).
Background(tcell.ColorYellow))
title.SetCenter("Vertical Layout", tcell.StyleDefault)
top := views.NewText()
mid := views.NewText()
bot := views.NewText()
top.SetText("Top-Right (0.0)\nLine Two")
mid.SetText("Center (0.7)")
bot.SetText("Bottom-Left (0.3)")
top.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorRed))
mid.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorLime))
bot.SetStyle(tcell.StyleDefault.Foreground(tcell.ColorWhite).
Background(tcell.ColorBlue))
top.SetAlignment(views.VAlignTop | views.HAlignRight)
mid.SetAlignment(views.VAlignCenter | views.HAlignCenter)
bot.SetAlignment(views.VAlignBottom | views.HAlignLeft)
box.SetOrientation(views.Vertical)
box.AddWidget(title, 0)
box.AddWidget(top, 0)
box.AddWidget(mid, 0.7)
box.AddWidget(bot, 0.3)
app.SetRootWidget(box)
if e := app.Run(); e != nil {
fmt.Fprintln(os.Stderr, e.Error())
os.Exit(1)
}
}
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