//go:build ignore // +build ignore // Copyright 2022 The TCell 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. // beep makes a beep every second until you press ESC package main import ( "fmt" "github.com/gdamore/tcell/v2" "os" ) func main() { tcell.SetEncodingFallback(tcell.EncodingFallbackASCII) s, e := tcell.NewScreen() if e != nil { fmt.Fprintf(os.Stderr, "%v\n", e) os.Exit(1) } if e = s.Init(); e != nil { fmt.Fprintf(os.Stderr, "%v\n", e) os.Exit(1) } s.SetStyle(tcell.StyleDefault) s.Clear() text := "This demonstrates cursor styles. Press 0 through 6 to change the style." x := 1 for _, r := range text { s.SetCell(x, 1, tcell.StyleDefault, r) x++ } s.SetCell(2, 2, tcell.StyleDefault, '0') s.SetCursorStyle(tcell.CursorStyleDefault) s.ShowCursor(3, 2) quit := make(chan struct{}) style := tcell.StyleDefault go func() { for { ev := s.PollEvent() switch ev := ev.(type) { case *tcell.EventKey: switch ev.Key() { case tcell.KeyRune: switch ev.Rune() { case '0': s.SetContent(2, 2, '0', nil, style) s.SetCursorStyle(tcell.CursorStyleDefault) case '1': s.SetContent(2, 2, '1', nil, style) s.SetCursorStyle(tcell.CursorStyleBlinkingBlock) case '2': s.SetCell(2, 2, tcell.StyleDefault, '2') s.SetCursorStyle(tcell.CursorStyleSteadyBlock) case '3': s.SetCell(2, 2, tcell.StyleDefault, '3') s.SetCursorStyle(tcell.CursorStyleBlinkingUnderline) case '4': s.SetCell(2, 2, tcell.StyleDefault, '4') s.SetCursorStyle(tcell.CursorStyleSteadyUnderline) case '5': s.SetCell(2, 2, tcell.StyleDefault, '5') s.SetCursorStyle(tcell.CursorStyleBlinkingBar) case '6': s.SetCell(2, 2, tcell.StyleDefault, '6') s.SetCursorStyle(tcell.CursorStyleSteadyBar) } s.Show() case tcell.KeyEscape, tcell.KeyEnter, tcell.KeyCtrlC: close(quit) return case tcell.KeyCtrlL: s.Sync() } case *tcell.EventResize: s.Sync() } } }() <-quit s.Fini() }