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opt paint text selection rect

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add patch desc

Signed-off-by: dom <githubaccount56556@proton.me>
This commit is contained in:
dom
2026-07-29 19:39:23 +08:00
parent 557585334a
commit 133f45945c
7 changed files with 155 additions and 32 deletions
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47
lib/common/widgets/flutter/text_field/editable.dart
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@@ -295,7 +295,7 @@ class RenderEditable extends RenderBox
Offset cursorOffset = Offset.zero,
double devicePixelRatio = 1.0,
ui.BoxHeightStyle selectionHeightStyle = ui.BoxHeightStyle.max,
ui.BoxWidthStyle selectionWidthStyle = ui.BoxWidthStyle.max,
ui.BoxWidthStyle selectionWidthStyle = ui.BoxWidthStyle.tight,
bool? enableInteractiveSelection,
this.floatingCursorAddedMargin = const EdgeInsets.fromLTRB(4, 4, 4, 5),
TextRange? promptRectRange,
@@ -3154,17 +3154,44 @@ class _TextHighlightPainter extends RenderEditablePainter {
highlightPaint.color = color;
final TextPainter textPainter = renderEditable._textPainter;
final Set<TextBox> boxes = textPainter
.getBoxesForSelection(
TextSelection(baseOffset: range.start, extentOffset: range.end),
boxHeightStyle: selectionHeightStyle,
boxWidthStyle: selectionWidthStyle,
)
.toSet();
for (final box in boxes) {
final List<ui.TextBox> boxes = textPainter.getBoxesForSelection(
TextSelection(baseOffset: range.start, extentOffset: range.end),
boxHeightStyle: ui.BoxHeightStyle.max,
boxWidthStyle: ui.BoxWidthStyle.tight,
);
ui.TextBox? mergedBox;
for (final textBox in boxes) {
if (mergedBox == null) {
mergedBox = textBox;
} else if (mergedBox.top != textBox.top) {
canvas.drawRect(
Rect.fromLTRB(
mergedBox.left,
mergedBox.top,
size.width,
mergedBox.bottom,
)
.shift(renderEditable._paintOffset)
.intersect(
Rect.fromLTRB(0, 0, textPainter.width, textPainter.height),
),
highlightPaint,
);
mergedBox = textBox;
} else {
mergedBox = TextBox.fromLTRBD(
mergedBox.left,
mergedBox.top,
textBox.right,
mergedBox.bottom,
mergedBox.direction,
);
}
}
if (mergedBox != null) {
canvas.drawRect(
box
mergedBox
.toRect()
.shift(renderEditable._paintOffset)
.intersect(