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
|
package widgets
import (
"time"
tb "github.com/nsf/termbox-go"
"git.sr.ht/~sircmpwn/aerc2/lib/ui"
)
type StatusLine struct {
stack []*StatusMessage
fallback StatusMessage
onInvalidate func(d ui.Drawable)
}
type StatusMessage struct {
bg tb.Attribute
fg tb.Attribute
message string
}
func NewStatusLine() *StatusLine {
return &StatusLine{
fallback: StatusMessage{
bg: tb.ColorWhite,
fg: tb.ColorBlack,
message: "Idle",
},
}
}
func (status *StatusLine) OnInvalidate(onInvalidate func (d ui.Drawable)) {
status.onInvalidate = onInvalidate
}
func (status *StatusLine) Invalidate() {
if status.onInvalidate != nil {
status.onInvalidate(status)
}
}
func (status *StatusLine) Draw(ctx *ui.Context) {
line := &status.fallback
if len(status.stack) != 0 {
line = status.stack[len(status.stack)-1]
}
cell := tb.Cell{
Fg: line.fg,
Bg: line.bg,
Ch: ' ',
}
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), cell)
ctx.Printf(0, 0, cell, "%s", line.message)
}
func (status *StatusLine) Set(text string) *StatusMessage {
status.fallback = StatusMessage{
bg: tb.ColorWhite,
fg: tb.ColorBlack,
message: text,
}
status.Invalidate()
return &status.fallback
}
func (status *StatusLine) Push(text string, expiry time.Duration) *StatusMessage {
msg := &StatusMessage{
bg: tb.ColorWhite,
fg: tb.ColorBlack,
message: text,
}
status.stack = append(status.stack, msg)
go (func () {
time.Sleep(expiry)
for i, m := range status.stack {
if m == msg {
status.stack = append(status.stack[:i], status.stack[i+1:]...)
break
}
}
status.Invalidate()
})()
return msg
}
func (msg *StatusMessage) Color(bg tb.Attribute, fg tb.Attribute) {
msg.bg = bg
msg.fg = fg
}
|
