// +build ignore // 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/v2" "github.com/gdamore/tcell/v2/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) } }