Improve the scrolling performance by reducing the repaint areas (singerdmx#430)

appflowy · web-flow · commit 2fd395a21a3b · 2021-10-25T22:20:54.000-07:00
diff --git a/lib/src/widgets/text_line.dart b/lib/src/widgets/text_line.dart
@@ -579,6 +579,9 @@ class RenderEditableTextLine extends RenderEditableBox {
     return _getPosition(position, 1.5);
   }
 
+  @override
+  bool get isRepaintBoundary => true;
+
   TextPosition? _getPosition(TextPosition textPosition, double dyScale) {
     assert(textPosition.offset < line.length);
     final offset = getOffsetForCaret(textPosition)

Original file line number	Diff line number	Diff line change
`@@ -579,6 +579,9 @@ class RenderEditableTextLine extends RenderEditableBox {`
`579`	`579`	`return _getPosition(position, 1.5);`
`580`	`580`	`}`
`581`	`581`
	`582`	`+ @override`
	`583`	`+ bool get isRepaintBoundary => true;`
	`584`	`+`
`582`	`585`	`TextPosition? _getPosition(TextPosition textPosition, double dyScale) {`
`583`	`586`	`assert(textPosition.offset < line.length);`
`584`	`587`	`final offset = getOffsetForCaret(textPosition)`