repos / pico

kv.go

 1package tui
 2
 3import (
 4	"git.sr.ht/~rockorager/vaxis"
 5	"git.sr.ht/~rockorager/vaxis/vxfw"
 6	"git.sr.ht/~rockorager/vaxis/vxfw/text"
 7)
 8
 9type KVBuilder func(uint16) (vxfw.Widget, vxfw.Widget)
10
11type Kv struct {
12	Key   string
13	Value string
14	Style vaxis.Style
15}
16
17type KvData struct {
18	Data        []Kv
19	KeyColWidth int
20}
21
22func NewKv(data []Kv) *KvData {
23	return &KvData{
24		Data:        data,
25		KeyColWidth: 15,
26	}
27}
28
29func (m *KvData) HandleEvent(vaxis.Event, vxfw.EventPhase) (vxfw.Command, error) {
30	return nil, nil
31}
32
33func (m *KvData) Draw(ctx vxfw.DrawContext) (vxfw.Surface, error) {
34	root := vxfw.NewSurface(ctx.Max.Width, ctx.Max.Height, m)
35	lng := m.KeyColWidth
36	left := vxfw.NewSurface(uint16(lng), ctx.Max.Height, m)
37	right := vxfw.NewSurface(ctx.Max.Width-uint16(lng), ctx.Max.Height, m)
38
39	ah := 0
40	var idx uint16 = 0
41	for _, data := range m.Data {
42		key := text.New(data.Key)
43		key.Style = data.Style
44		value := text.New(data.Value)
45		value.Style = data.Style
46		lft, _ := key.Draw(ctx)
47		left.AddChild(0, ah, lft)
48		rht, _ := value.Draw(ctx)
49		right.AddChild(0, ah, rht)
50		idx += 1
51		ah += 1
52	}
53	root.AddChild(0, 0, left)
54	root.AddChild(lng, 0, right)
55
56	root.Size.Width = left.Size.Width + right.Size.Width - 2
57	root.Size.Height = uint16(ah)
58
59	return root, nil
60}