mirror of
https://github.com/gdamore/tcell.git
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887cf2766e
This adds a new optional parameter to screen.SetCursorStyle, which is a color. The cursors demo is enhanced to show this. This ability is supported on screen types, provided the underlying terminal supports the capability.
98 lines
2.6 KiB
Go
98 lines
2.6 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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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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s.Show()
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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, tcell.ColorReset)
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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, tcell.ColorGreen)
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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, tcell.ColorBlue)
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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, tcell.ColorRed)
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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, tcell.ColorOrange)
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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, tcell.ColorYellow)
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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, tcell.ColorPink)
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}
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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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