opt paint text selection rect

add patch desc Signed-off-by: dom <githubaccount56556@proton.me>
2026-08-02 08:40:10 +08:00 · 2026-07-29 19:39:23 +08:00
parent 557585334a
commit 133f45945c
7 changed files with 155 additions and 32 deletions
--- a/lib/scripts/editable_text.patch
+++ b/lib/scripts/editable_text.patch
@@ -1,7 +1,70 @@
+diff --git a/packages/flutter/lib/src/rendering/editable.dart b/packages/flutter/lib/src/rendering/editable.dart
+index 5d0121e3f37..a42c758b2fb 100644
+--- a/packages/flutter/lib/src/rendering/editable.dart
+++ b/packages/flutter/lib/src/rendering/editable.dart
+@@ -321,7 +321,7 @@ 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,
+@@ -2912,17 +2912,31 @@ 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(Rect.fromLTWH(0, 0, textPainter.width, textPainter.height)),
 diff --git a/packages/flutter/lib/src/widgets/editable_text.dart b/packages/flutter/lib/src/widgets/editable_text.dart
-index b1ae878f2cc..8a7540350ef 100644
+index b1ae878f2cc..7b179c7e3b3 100644
 --- a/packages/flutter/lib/src/widgets/editable_text.dart
 +++ b/packages/flutter/lib/src/widgets/editable_text.dart
+@@ -2099,7 +2099,7 @@ class EditableText extends StatefulWidget {
+       }
+       return ui.BoxWidthStyle.tight;
+     }
+-    return ui.BoxWidthStyle.max;
+    return ui.BoxWidthStyle.tight;
+   }
+ 
+   /// The default value for [stylusHandwritingEnabled].
@@ -5046,7 +5046,9 @@ class EditableTextState extends State<EditableText>
   void userUpdateTextEditingValue(TextEditingValue value, SelectionChangedCause? cause) {
     // Compare the current TextEditingValue with the pre-format new
--- a/lib/scripts/patch.ps1
+++ b/lib/scripts/patch.ps1
@@ -6,6 +6,7 @@ param(
 # https://github.com/flutter/flutter/issues/182281
 $NewOverScrollIndicator = "362b1de29974ffc1ed6faa826e1df870d7bec75f";

+# set `gestureSettings`
 $BottomSheetAndroidPatch = "lib/scripts/bottom_sheet_android.patch"

 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/1906
@@ -17,9 +18,11 @@ $BottomSheetIOSPiliPlusPatch = "lib/scripts/bottom_sheet_ios_piliplus.patch"
 $TextSelectionMenuFix = "beb2ad17004a1b118ff2bd09f55cee23198f6652";

 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/1662
+# handle bottom scroll event
 $ScrollViewPatch = "lib/scripts/scroll_view.patch"

 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/2106
+# use `TouchGestureRecognizer` on all platforms
 $TextSelectionPatch = "lib/scripts/text_selection.patch"

 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/1947
@@ -28,28 +31,46 @@ $NavigatorPatch = "lib/scripts/navigator.patch"
 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/2107
 $ImageAnimPatch = "lib/scripts/image_anim.patch"

+# remove `_scheduleRebuild`
 $LayoutBuilderPatch = "lib/scripts/layout_builder.patch"

 # https://github.com/bggRGjQaUbCoE/PiliPlus/issues/2308
 $NavigationDrawerPatch = "lib/scripts/navigation_drawer.patch"

+# apply text color to icon color
 $PopupMenuPatch = "lib/scripts/popup_menu.patch"

+# remove `Hero` effect
 $FABPatch = "lib/scripts/fab.patch"

-$SelectableRegionSelectionPatch = "lib/scripts/selectable_region.patch"
+# https://github.com/flutter/flutter/issues/139890
+# https://github.com/flutter/flutter/issues/174689
+# separator support
+# clamp handle offset
+# widgetspan selection support
+# clear selection when tapping outside
+# free selection if there is only one text
+# clamp dragging selection behavior on Android
+# show selection menu if secondary tap position is in text region on desktop
+$SelectableRegionPatch = "lib/scripts/selectable_region.patch"

+# https://github.com/flutter/flutter/issues/132047
+# https://github.com/flutter/flutter/issues/174689
 $EditableTextPatch = "lib/scripts/editable_text.patch"

+# set `selectAllOnFocus` to `false` by default
 $TextFieldPatch = "lib/scripts/text_field.patch"

+# notify `userScrollDirection` only if position is actually changing
 $ScrollPositionPatch = "lib/scripts/scroll_position.patch"

+# expose `_shouldIgnorePointer`
 $ScrollablePatch = "lib/scripts/scrollable.patch"

 # TODO: remove
+# https://github.com/flutter/flutter/issues/124078
 # https://github.com/flutter/flutter/pull/183261
-$SelectableRegionPatch = "lib/scripts/null_safety_for_selectable_region.patch"
+$NullSafetySelectableRegionPatch = "lib/scripts/null_safety_for_selectable_region.patch"

 # TODO: remove
 # https://github.com/flutter/flutter/issues/90223
@@ -78,9 +99,9 @@ $picks   = @($TextSelectionMenuFix)
 $reverts = @()
 $patches = @($ModalBarrierPatch, $TextSelectionPatch, $MouseCursorPatch,
            $ImageAnimPatch, $LayoutBuilderPatch, $NavigationDrawerPatch,
-            $PopupMenuPatch, $FABPatch, $SelectableRegionPatch, $SelectableRegionSelectionPatch,
-            $EditableTextPatch, $TextFieldPatch, $ScrollPositionPatch,
-            $ScrollablePatch)
+            $PopupMenuPatch, $FABPatch, $NullSafetySelectableRegionPatch,
+            $SelectableRegionPatch, $EditableTextPatch, $TextFieldPatch,
+            $ScrollPositionPatch, $ScrollablePatch)

 switch ($platform.ToLower()) {
    "android" {
--- a/lib/scripts/selectable_region.patch
+++ b/lib/scripts/selectable_region.patch
@@ -119,7 +119,7 @@ index 09fba7fc4fb..57ee469358e 100644
   void computeSemanticsInformation(
     List<InlineSpanSemanticsInformation> collector, {
 diff --git a/packages/flutter/lib/src/rendering/paragraph.dart b/packages/flutter/lib/src/rendering/paragraph.dart
-index 97a41dafb8d..15e7ce055e9 100644
+index 97a41dafb8d..1dc2f36538d 100644
 --- a/packages/flutter/lib/src/rendering/paragraph.dart
 +++ b/packages/flutter/lib/src/rendering/paragraph.dart
@@ -7,6 +7,7 @@
@@ -341,18 +341,34 @@ index 97a41dafb8d..15e7ce055e9 100644
     _setSelectionPosition(position, isEnd: isEnd);
     if (position.offset == range.end) {
       return SelectionResult.next;
-@@ -3568,7 +3626,10 @@ class _SelectableFragment
+@@ -3568,8 +3626,25 @@ class _SelectableFragment
       final selectionPaint = Paint()
         ..style = PaintingStyle.fill
         ..color = paragraph.selectionColor!;
 -      for (final TextBox textBox in paragraph.getBoxesForSelection(selection)) {
-+      for (final TextBox textBox in paragraph.getBoxesForSelection(
+-        context.canvas.drawRect(textBox.toRect().shift(offset), selectionPaint);
+
+      final List<ui.TextBox> boxes = paragraph.getBoxesForSelection(
 +        selection,
 +        boxHeightStyle: ui.BoxHeightStyle.max,
-+      )) {
-         context.canvas.drawRect(textBox.toRect().shift(offset), selectionPaint);
+        boxWidthStyle: ui.BoxWidthStyle.tight,
+      );
+      ui.TextBox? mergedBox;
+      for (final textBox in boxes) {
+        if (mergedBox == null) {
+          mergedBox = textBox;
+        } else if (mergedBox.top != textBox.top) {
+          context.canvas.drawRect(Rect.fromLTRB(mergedBox.left, mergedBox.top, paragraph.size.width, mergedBox.bottom).shift(offset), selectionPaint);
+          mergedBox = textBox;
+        } else {
+          mergedBox = TextBox.fromLTRBD(mergedBox.left, mergedBox.top, textBox.right, mergedBox.bottom, mergedBox.direction);
+        }
+      }
+      if (mergedBox != null) {
+        context.canvas.drawRect(mergedBox.toRect().shift(offset), selectionPaint);
       }
     }
+     if (_startHandleLayerLink != null && value.startSelectionPoint != null) {
 diff --git a/packages/flutter/lib/src/rendering/selection.dart b/packages/flutter/lib/src/rendering/selection.dart
 index a813e141dc4..d045236d031 100644
 --- a/packages/flutter/lib/src/rendering/selection.dart