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TextBox has double-click to select word

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This commit is contained in:
Sasha Koshka
2023-03-31 20:28:53 -04:00
parent 50d7d74097
commit 8c03b516e3
3 changed files with 42 additions and 14 deletions
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8
textmanip/textmanip.go
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@@ -13,7 +13,7 @@ func EmptyDot (position int) Dot {
// Canon places the lesser value at the start, and the greater value at the end.
// Note that a canonized dot does not in all cases correspond directly to the
// original.
// original, because there is a semantic value to the start and end positions.
func (dot Dot) Canon () Dot {
if dot.Start > dot.End {
return Dot { dot.End, dot.Start }
@@ -35,7 +35,7 @@ func (dot Dot) Add (delta int) Dot {
}
}
// Add shifts the dot to the left by the specified amount.
// Sub shifts the dot to the left by the specified amount.
func (dot Dot) Sub (delta int) Dot {
return Dot {
dot.Start - delta,
@@ -103,8 +103,8 @@ func WordToRight (text []rune, position int) (length int) {
// WordAround returns a dot that surrounds the word at the specified position.
func WordAround (text []rune, position int) (around Dot) {
return Dot {
WordToLeft(text, position),
WordToRight(text, position),
position - WordToLeft(text, position),
position + WordToRight(text, position),
}
}