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
98
99
100
101
102
103
104
105
|
package widgets
import (
"github.com/gdamore/tcell"
"git.sr.ht/~sircmpwn/aerc/lib"
"git.sr.ht/~sircmpwn/aerc/lib/ui"
)
type ExLine struct {
ui.Invalidatable
commit func(cmd string)
finish func()
tabcomplete func(cmd string) []string
cmdHistory lib.History
input *ui.TextInput
}
func NewExLine(cmd string, commit func(cmd string), finish func(),
tabcomplete func(cmd string) []string,
cmdHistory lib.History) *ExLine {
input := ui.NewTextInput("").Prompt(":").TabComplete(tabcomplete).Set(cmd)
exline := &ExLine{
commit: commit,
finish: finish,
tabcomplete: tabcomplete,
cmdHistory: cmdHistory,
input: input,
}
input.OnInvalidate(func(d ui.Drawable) {
exline.Invalidate()
})
return exline
}
func NewPrompt(prompt string, commit func(text string),
tabcomplete func(cmd string) []string) *ExLine {
input := ui.NewTextInput("").Prompt(prompt).TabComplete(tabcomplete)
exline := &ExLine{
commit: commit,
tabcomplete: tabcomplete,
cmdHistory: &nullHistory{input: input},
input: input,
}
input.OnInvalidate(func(d ui.Drawable) {
exline.Invalidate()
})
return exline
}
func (ex *ExLine) Invalidate() {
ex.DoInvalidate(ex)
}
func (ex *ExLine) Draw(ctx *ui.Context) {
ex.input.Draw(ctx)
}
func (ex *ExLine) Focus(focus bool) {
ex.input.Focus(focus)
}
func (ex *ExLine) Event(event tcell.Event) bool {
switch event := event.(type) {
case *tcell.EventKey:
switch event.Key() {
case tcell.KeyEnter, tcell.KeyCtrlJ:
cmd := ex.input.String()
ex.input.Focus(false)
ex.commit(cmd)
ex.finish()
case tcell.KeyUp:
ex.input.Set(ex.cmdHistory.Prev())
ex.Invalidate()
case tcell.KeyDown:
ex.input.Set(ex.cmdHistory.Next())
ex.Invalidate()
case tcell.KeyEsc, tcell.KeyCtrlC:
ex.input.Focus(false)
ex.cmdHistory.Reset()
ex.finish()
default:
return ex.input.Event(event)
}
}
return true
}
type nullHistory struct {
input *ui.TextInput
}
func (*nullHistory) Add(string) {}
func (h *nullHistory) Next() string {
return h.input.String()
}
func (h *nullHistory) Prev() string {
return h.input.String()
}
func (*nullHistory) Reset() {}
|
