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[multi line display] Fix line wrapping to respect width constraints and prevent text truncation

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This commit is contained in:
Nicolas Guillot
2025-10-27 13:18:10 +01:00
parent 43faacf8de
commit ca0e514505
3 changed files with 489 additions and 33 deletions
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11
Sources/SwiftMath/MathRender/MTMathUILabel.swift
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@@ -216,6 +216,7 @@ public class MTMathUILabel : MTView {
self.layer?.isGeometryFlipped = true
#else
self.layer.isGeometryFlipped = true
self.clipsToBounds = true
#endif
_fontSize = 20
_contentInsets = MTEdgeInsetsZero
@@ -305,8 +306,16 @@ public class MTMathUILabel : MTView {
return CGSize(width: -1, height: -1)
}
let resultWidth = displayList!.width + contentInsets.left + contentInsets.right
var resultWidth = displayList!.width + contentInsets.left + contentInsets.right
let resultHeight = displayList!.ascent + displayList!.descent + contentInsets.top + contentInsets.bottom
// Ensure we don't exceed the width constraints
if _preferredMaxLayoutWidth > 0 && resultWidth > _preferredMaxLayoutWidth {
resultWidth = _preferredMaxLayoutWidth
} else if _preferredMaxLayoutWidth == 0 && size.width > 0 && resultWidth > size.width {
resultWidth = size.width
}
return CGSize(width: resultWidth, height: resultHeight)
}