aerc/lib/ui/borders.go -rw-r--r-- 1.6 KiB View raw
                                                                                
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
package ui

import (
	"github.com/gdamore/tcell"
)

const (
	BORDER_LEFT   = 1 << iota
	BORDER_TOP    = 1 << iota
	BORDER_RIGHT  = 1 << iota
	BORDER_BOTTOM = 1 << iota
)

type Bordered struct {
	Invalidatable
	borders      uint
	content      Drawable
	onInvalidate func(d Drawable)
}

func NewBordered(content Drawable, borders uint) *Bordered {
1 reference
b := &Bordered{ borders: borders, content: content, } content.OnInvalidate(b.contentInvalidated) return b } func (bordered *Bordered) contentInvalidated(d Drawable) {
1 reference
bordered.Invalidate() } func (bordered *Bordered) Children() []Drawable { return []Drawable{bordered.content} } func (bordered *Bordered) Invalidate() {
1 reference
bordered.DoInvalidate(bordered) } func (bordered *Bordered) Draw(ctx *Context) { x := 0 y := 0 width := ctx.Width() height := ctx.Height() style := tcell.StyleDefault.Reverse(true) if bordered.borders&BORDER_LEFT != 0 { ctx.Fill(0, 0, 1, ctx.Height(), ' ', style) x += 1 width -= 1 } if bordered.borders&BORDER_TOP != 0 { ctx.Fill(0, 0, ctx.Width(), 1, ' ', style) y += 1 height -= 1 } if bordered.borders&BORDER_RIGHT != 0 { ctx.Fill(ctx.Width()-1, 0, 1, ctx.Height(), ' ', style) width -= 1 } if bordered.borders&BORDER_BOTTOM != 0 { ctx.Fill(0, ctx.Height()-1, ctx.Width(), 1, ' ', style) height -= 1 } subctx := ctx.Subcontext(x, y, width, height) bordered.content.Draw(subctx) } func (bordered *Bordered) MouseEvent(localX int, localY int, event tcell.Event) { switch content := bordered.content.(type) { case Mouseable: content.MouseEvent(localX, localY, event) } }