mirror of https://github.com/gizak/termui.git
72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
package termui
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import "strings"
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type List struct {
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Block
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Items []string
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Overflow string
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ItemFgColor Attribute
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ItemBgColor Attribute
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}
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func NewList() *List {
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l := &List{Block: *NewBlock()}
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l.Overflow = "hidden"
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return l
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}
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func (l *List) Buffer() []Point {
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ps := l.Block.Buffer()
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switch l.Overflow {
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case "wrap":
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rs := str2runes(strings.Join(l.Items, "\n"))
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i, j, k := 0, 0, 0
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for i < l.innerHeight && k < len(rs) {
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if rs[k] == '\n' || j == l.innerWidth {
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i++
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j = 0
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if rs[k] == '\n' {
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k++
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}
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continue
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}
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pi := Point{}
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pi.X = l.innerX + j
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pi.Y = l.innerY + i
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pi.Code.Ch = rs[k]
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pi.Code.Bg = toTmAttr(l.ItemBgColor)
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pi.Code.Fg = toTmAttr(l.ItemFgColor)
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ps = append(ps, pi)
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k++
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j++
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}
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case "hidden":
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trimItems := l.Items
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if len(trimItems) > l.innerHeight {
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trimItems = trimItems[:l.innerHeight]
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}
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for i, v := range trimItems {
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rs := trimStr2Runes(v, l.innerWidth)
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j := 0
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for _, vv := range rs {
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p := Point{}
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p.X = l.innerX + j
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p.Y = l.innerY + i
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p.Code.Ch = vv
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p.Code.Bg = toTmAttr(l.ItemBgColor)
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p.Code.Fg = toTmAttr(l.ItemFgColor)
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ps = append(ps, p)
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j++
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}
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}
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}
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return ps
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}
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