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TextBox supports copy/paste with keyboard commands

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This commit is contained in:
Sasha Koshka
2023-03-31 03:25:46 -04:00
parent ab78bc640d
commit c1e2bf46a6
8 changed files with 82 additions and 5 deletions
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11
textmanip/textmanip.go
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@@ -48,6 +48,7 @@ func (dot Dot) Width () int {
}
func (dot Dot) Slice (text []rune) []rune {
dot = dot.Canon().Constrain(len(text))
return text[dot.Start:dot.End]
}
@@ -146,22 +147,22 @@ func Lift (text []rune, dot Dot) (result []rune, moved Dot, lifted []rune) {
return
}
func Type (text []rune, dot Dot, character rune) (result []rune, moved Dot) {
func Type (text []rune, dot Dot, characters ...rune) (result []rune, moved Dot) {
dot = dot.Constrain(len(text))
if dot.Empty() {
result = append(result, text[:dot.End]...)
result = append(result, character)
result = append(result, characters...)
if dot.End < len(text) {
result = append(result, text[dot.End:]...)
}
moved = EmptyDot(dot.Add(1).End)
moved = EmptyDot(dot.Add(len(characters)).End)
return
} else {
dot = dot.Canon()
result = append(result, text[:dot.Start]...)
result = append(result, character)
result = append(result, characters...)
result = append(result, text[dot.End:]...)
moved = EmptyDot(dot.Add(1).Start)
moved = EmptyDot(dot.Add(len(characters)).Start)
return
}
}