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feat: 🎨 Add parameter to change the autoscrolling boundary #1

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Merged
raulmabe-labhouse merged 1 commit into from
Jan 22, 2026
Merged

feat: 🎨 Add parameter to change the autoscrolling boundary #1

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44 changes: 26 additions & 18 deletions super_editor/lib/src/default_editor/super_editor.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -13,48 +13,48 @@ import 'package:super_editor/src/core/document_selection.dart';
import 'package:super_editor/src/core/edit_context.dart';
import 'package:super_editor/src/core/editor.dart';
import 'package:super_editor/src/core/styles.dart';
import 'package:super_editor/src/default_editor/attributions.dart';
import 'package:super_editor/src/default_editor/blockquote.dart';
import 'package:super_editor/src/default_editor/common_editor_operations.dart';
import 'package:super_editor/src/default_editor/debug_visualization.dart';
import 'package:super_editor/src/default_editor/document_caret_overlay.dart';
import 'package:super_editor/src/default_editor/document_focus_and_selection_policies.dart';
import 'package:super_editor/src/default_editor/document_gestures_mouse.dart';
import 'package:super_editor/src/default_editor/document_gestures_touch_android.dart';
import 'package:super_editor/src/default_editor/document_gestures_touch_ios.dart';
import 'package:super_editor/src/default_editor/document_hardware_keyboard/document_input_keyboard.dart';
import 'package:super_editor/src/default_editor/document_ime/document_input_ime.dart';
import 'package:super_editor/src/default_editor/document_scrollable.dart';
import 'package:super_editor/src/default_editor/horizontal_rule.dart';
import 'package:super_editor/src/default_editor/image.dart';
import 'package:super_editor/src/default_editor/layout_single_column/_styler_composing_region.dart';
import 'package:super_editor/src/default_editor/layout_single_column/layout_single_column.dart';
import 'package:super_editor/src/default_editor/list_items.dart';
import 'package:super_editor/src/default_editor/paragraph.dart';
import 'package:super_editor/src/default_editor/tap_handlers/tap_handlers.dart';
import 'package:super_editor/src/default_editor/tasks.dart';
import 'package:super_editor/src/default_editor/text.dart';
import 'package:super_editor/src/default_editor/text/custom_underlines.dart';
import 'package:super_editor/src/default_editor/unknown_component.dart';
import 'package:super_editor/src/infrastructure/content_layers.dart';
import 'package:super_editor/src/infrastructure/document_gestures.dart';
import 'package:super_editor/src/infrastructure/document_gestures_interaction_overrides.dart';
import 'package:super_editor/src/infrastructure/documents/document_scaffold.dart';
import 'package:super_editor/src/infrastructure/documents/document_scroller.dart';
import 'package:super_editor/src/infrastructure/documents/selection_leader_document_layer.dart';
import 'package:super_editor/src/infrastructure/flutter/build_context.dart';
import 'package:super_editor/src/infrastructure/platforms/android/toolbar.dart';
import 'package:super_editor/src/infrastructure/platforms/ios/ios_system_context_menu.dart';
import 'package:super_editor/src/infrastructure/platforms/ios/toolbar.dart';
import 'package:super_editor/src/infrastructure/platforms/mac/mac_ime.dart';
import 'package:super_editor/src/infrastructure/platforms/mobile_documents.dart';
import 'package:super_editor/src/infrastructure/platforms/platform.dart';
import 'package:super_editor/src/infrastructure/render_sliver_ext.dart';
import 'package:super_editor/src/infrastructure/signal_notifier.dart';
import 'package:super_editor/src/infrastructure/text_input.dart';
import 'package:super_editor/src/undo_redo.dart';
import 'package:super_editor/src/infrastructure/render_sliver_ext.dart';
import 'package:super_text_layout/super_text_layout.dart';

import '../infrastructure/document_gestures_interaction_overrides.dart';
import '../infrastructure/platforms/ios/ios_system_context_menu.dart';
import '../infrastructure/platforms/mobile_documents.dart';
import 'attributions.dart';
import 'blockquote.dart';
import 'document_caret_overlay.dart';
import 'document_focus_and_selection_policies.dart';
import 'document_gestures_mouse.dart';
import 'document_hardware_keyboard/document_input_keyboard.dart';
import 'document_ime/document_input_ime.dart';
import 'horizontal_rule.dart';
import 'image.dart';
import 'layout_single_column/layout_single_column.dart';
import 'paragraph.dart';
import 'text.dart';
import 'unknown_component.dart';

/// A rich text editor that displays a document in a single-column layout.
///
/// A [SuperEditor] brings together the key pieces needed to display a user-editable document:
Expand Down Expand Up @@ -128,6 +128,7 @@ class SuperEditor extends StatefulWidget {
this.keyboardActions,
this.selectorHandlers,
this.gestureMode,
this.dragAutoScrollBoundary = const AxisOffset.symmetric(54),
this.contentTapDelegateFactories = const [superEditorLaunchLinkTapHandlerFactory],
this.selectionLayerLinks,
this.documentUnderlayBuilders = const [],
Expand Down Expand Up @@ -278,6 +279,11 @@ class SuperEditor extends StatefulWidget {
/// The `SuperEditor` gesture mode, e.g., mouse or touch.
final DocumentGestureMode? gestureMode;

/// The closest that the caret/selection extent can get to the viewport boundary
/// before SuperEditor auto-scrolls.
/// Increase `trailing` to auto-scroll earlier near the bottom.
final AxisOffset dragAutoScrollBoundary;

/// List of factories that creates a [ContentTapDelegate], which is given an
/// opportunity to respond to taps on content before the editor, itself.
///
Expand Down Expand Up @@ -910,6 +916,7 @@ class SuperEditorState extends State<SuperEditor> {
],
scrollController: _scrollController,
dragHandleAutoScroller: _dragHandleAutoScroller,
dragAutoScrollBoundary: widget.dragAutoScrollBoundary,
fillViewport: fillViewport,
showDebugPaint: widget.debugPaint.gestures,
child: child,
Expand All @@ -932,6 +939,7 @@ class SuperEditorState extends State<SuperEditor> {
],
scrollController: _scrollController,
dragHandleAutoScroller: _dragHandleAutoScroller,
dragAutoScrollBoundary: widget.dragAutoScrollBoundary,
fillViewport: fillViewport,
showDebugPaint: widget.debugPaint.gestures,
child: child,
Expand Down
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