mirror of https://github.com/gdamore/tcell.git
99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
//go:build ignore
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// +build ignore
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// Copyright 2022 The TCell Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use file except in compliance with the License.
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// You may obtain a copy of the license at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// beep makes a beep every second until you press ESC
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package main
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import (
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"fmt"
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"github.com/gdamore/tcell/v2"
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"os"
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)
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func main() {
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tcell.SetEncodingFallback(tcell.EncodingFallbackASCII)
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s, e := tcell.NewScreen()
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if e != nil {
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fmt.Fprintf(os.Stderr, "%v\n", e)
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os.Exit(1)
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}
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if e = s.Init(); e != nil {
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fmt.Fprintf(os.Stderr, "%v\n", e)
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os.Exit(1)
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}
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s.SetStyle(tcell.StyleDefault)
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s.Clear()
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text := "This demonstrates cursor styles. Press 0 through 6 to change the style."
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x := 1
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for _, r := range text {
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s.SetCell(x, 1, tcell.StyleDefault, r)
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x++
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}
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s.SetCell(2, 2, tcell.StyleDefault, '0')
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s.SetCursorStyle(tcell.CursorStyleDefault)
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s.ShowCursor(3, 2)
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quit := make(chan struct{})
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style := tcell.StyleDefault
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go func() {
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for {
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ev := s.PollEvent()
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switch ev := ev.(type) {
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case *tcell.EventKey:
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switch ev.Key() {
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case tcell.KeyRune:
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switch ev.Rune() {
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case '0':
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s.SetContent(2, 2, '0', nil, style)
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s.SetCursorStyle(tcell.CursorStyleDefault)
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case '1':
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s.SetContent(2, 2, '1', nil, style)
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s.SetCursorStyle(tcell.CursorStyleBlinkingBlock)
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case '2':
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s.SetCell(2, 2, tcell.StyleDefault, '2')
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s.SetCursorStyle(tcell.CursorStyleSteadyBlock)
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case '3':
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s.SetCell(2, 2, tcell.StyleDefault, '3')
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s.SetCursorStyle(tcell.CursorStyleBlinkingUnderline)
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case '4':
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s.SetCell(2, 2, tcell.StyleDefault, '4')
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s.SetCursorStyle(tcell.CursorStyleSteadyUnderline)
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case '5':
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s.SetCell(2, 2, tcell.StyleDefault, '5')
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s.SetCursorStyle(tcell.CursorStyleBlinkingBar)
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case '6':
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s.SetCell(2, 2, tcell.StyleDefault, '6')
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s.SetCursorStyle(tcell.CursorStyleSteadyBar)
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}
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s.Show()
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case tcell.KeyEscape, tcell.KeyEnter, tcell.KeyCtrlC:
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close(quit)
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return
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case tcell.KeyCtrlL:
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s.Sync()
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}
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case *tcell.EventResize:
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s.Sync()
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}
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}
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}()
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<-quit
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s.Fini()
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}
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