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Fix text selection painting to draw what the engine tells us. (#4397)

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BUG=https://github.com/flutter/flutter/issues/4321
BUG=https://github.com/flutter/flutter/issues/4349
This commit is contained in:
Matt Perry 2016-06-06 18:29:54 -04:00
parent 48ed80b3be
commit 5de581c6c8
2 changed files with 5 additions and 12 deletions
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15
packages/flutter/lib/src/rendering/editable_line.dart
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@ -148,10 +148,10 @@ class RenderEditableLine extends RenderBox {
List<TextSelectionPoint> getEndpointsForSelection(TextSelection selection) {
// TODO(mpcomplete): We should be more disciplined about when we dirty the
// layout state of the text painter so that we can know that the layout is
// clean at this point.
// clean at this point.
_textPainter.layout();
Offset offset = _paintOffset + new Offset(0.0, -_kCaretHeightOffset);
Offset offset = _paintOffset;
if (selection.isCollapsed) {
// TODO(mpcomplete): This doesn't work well at an RTL/LTR boundary.
@ -278,15 +278,8 @@ class RenderEditableLine extends RenderBox {
void _paintSelection(Canvas canvas, Offset effectiveOffset) {
assert(_selectionRects != null);
Paint paint = new Paint()..color = _selectionColor;
for (ui.TextBox box in _selectionRects) {
Rect selectionRect = new Rect.fromLTWH(
effectiveOffset.dx + box.left,
effectiveOffset.dy + _kCaretHeightOffset,
box.right - box.left,
size.height - 2.0 * _kCaretHeightOffset
);
canvas.drawRect(selectionRect, paint);
}
for (ui.TextBox box in _selectionRects)
canvas.drawRect(box.toRect().shift(effectiveOffset), paint);
}
void _paintContents(PaintingContext context, Offset offset) {

2
packages/flutter/test/widget/input_test.dart
View File

@ -192,7 +192,7 @@ void main() {
List<TextSelectionPoint> endpoints = renderLine.getEndpointsForSelection(
new TextSelection.collapsed(offset: offset));
expect(endpoints.length, 1);
return endpoints[0].point;
return endpoints[0].point + new Offset(0.0, -2.0);
}
testWidgets('Can long press to select', (WidgetTester tester) async {