1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
//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.
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 {
s.Show()
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, tcell.ColorReset)
case '1':
s.SetContent(2, 2, '1', nil, style)
s.SetCursorStyle(tcell.CursorStyleBlinkingBlock, tcell.ColorGreen)
case '2':
s.SetCell(2, 2, tcell.StyleDefault, '2')
s.SetCursorStyle(tcell.CursorStyleSteadyBlock, tcell.ColorBlue)
case '3':
s.SetCell(2, 2, tcell.StyleDefault, '3')
s.SetCursorStyle(tcell.CursorStyleBlinkingUnderline, tcell.ColorRed)
case '4':
s.SetCell(2, 2, tcell.StyleDefault, '4')
s.SetCursorStyle(tcell.CursorStyleSteadyUnderline, tcell.ColorOrange)
case '5':
s.SetCell(2, 2, tcell.StyleDefault, '5')
s.SetCursorStyle(tcell.CursorStyleBlinkingBar, tcell.ColorYellow)
case '6':
s.SetCell(2, 2, tcell.StyleDefault, '6')
s.SetCursorStyle(tcell.CursorStyleSteadyBar, tcell.ColorPink)
}
case tcell.KeyEscape, tcell.KeyEnter, tcell.KeyCtrlC:
close(quit)
return
case tcell.KeyCtrlL:
s.Sync()
}
case *tcell.EventResize:
s.Sync()
}
}
}()
<-quit
s.Fini()
}
|
