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
|
package ui
import (
"github.com/gdamore/tcell"
"git.sr.ht/~sircmpwn/aerc2/config"
)
type UI struct {
Exit bool
Content DrawableInteractive
ctx *Context
screen tcell.Screen
tcEvents chan tcell.Event
invalidations chan interface{}
}
func Initialize(conf *config.AercConfig,
content DrawableInteractive) (*UI, error) {
screen, err := tcell.NewScreen()
if err != nil {
return nil, err
}
if err = screen.Init(); err != nil {
return nil, err
}
screen.Clear()
screen.HideCursor()
width, height := screen.Size()
state := UI{
Content: content,
ctx: NewContext(width, height, screen),
screen: screen,
tcEvents: make(chan tcell.Event, 10),
invalidations: make(chan interface{}),
}
//tb.SetOutputMode(tb.Output256)
go (func() {
for !state.Exit {
state.tcEvents <- screen.PollEvent()
}
})()
go (func() { state.invalidations <- nil })()
content.OnInvalidate(func(_ Drawable) {
go (func() { state.invalidations <- nil })()
})
return &state, nil
}
func (state *UI) Close() {
state.screen.Fini()
}
func (state *UI) Tick() bool {
select {
case event := <-state.tcEvents:
switch event := event.(type) {
case *tcell.EventKey:
// TODO: temporary
if event.Key() == tcell.KeyEsc {
state.Exit = true
}
case *tcell.EventResize:
state.screen.Clear()
width, height := event.Size()
state.ctx = NewContext(width, height, state.screen)
state.Content.Invalidate()
}
state.Content.Event(event)
case <-state.invalidations:
state.Content.Draw(state.ctx)
state.screen.Show()
default:
return false
}
return true
}
|
