Implement _QuillEditorState

lib/widgets/delegate.dart

@@ -28,4 +28,21 @@ class EditorTextSelectionGestureDetectorBuilder {
   onTapDown(TapDownDetails details) {
 //    getRenderEditor().handleTapDown(details);
   }
+
+  onForcePressStart(ForcePressDetails details) {
+    assert(delegate.getForcePressEnabled());
+    shouldShowSelectionToolbar = true;
+    if (delegate.getSelectionEnabled()) {
+      getRenderEditor().selectWordsInRange(
+        details.globalPosition,
+        null,
+        SelectionChangedCause.forcePress,
+      );
+    }
+  }
+
+  Widget build(HitTestBehavior behavior, Widget child) {
+    // TODO
+    return null;
+  }
 }

lib/widgets/editor.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_quill/models/documents/document.dart';
 import 'package:flutter_quill/widgets/text_selection.dart';
 
 import 'controller.dart';
+import 'cursor.dart';
 import 'delegate.dart';
 
 abstract class RenderAbstractEditor {
@@ -85,10 +87,96 @@ class _QuillEditorState extends State<QuillEditor>
   final GlobalKey<EditorState> _editorKey = GlobalKey<EditorState>();
   EditorTextSelectionGestureDetectorBuilder _selectionGestureDetectorBuilder;
 
+  @override
+  void initState() {
+    super.initState();
+    _selectionGestureDetectorBuilder =
+        _QuillEditorSelectionGestureDetectorBuilder(this);
+  }
+
   @override
   Widget build(BuildContext context) {
-    // TODO: implement build
-    throw UnimplementedError();
+    ThemeData theme = Theme.of(context);
+    TextSelectionThemeData selectionTheme = TextSelectionTheme.of(context);
+
+    TextSelectionControls textSelectionControls;
+    bool paintCursorAboveText;
+    bool cursorOpacityAnimates;
+    Offset cursorOffset;
+    Color cursorColor;
+    Color selectionColor;
+    Radius cursorRadius;
+
+    switch (theme.platform) {
+      case TargetPlatform.android:
+      case TargetPlatform.fuchsia:
+      case TargetPlatform.linux:
+      case TargetPlatform.windows:
+        textSelectionControls = materialTextSelectionControls;
+        paintCursorAboveText = false;
+        cursorOpacityAnimates = false;
+        cursorColor ??= selectionTheme.cursorColor ?? theme.colorScheme.primary;
+        selectionColor = selectionTheme.selectionColor ??
+            theme.colorScheme.primary.withOpacity(0.40);
+        break;
+      case TargetPlatform.iOS:
+      case TargetPlatform.macOS:
+        CupertinoThemeData cupertinoTheme = CupertinoTheme.of(context);
+        textSelectionControls = cupertinoTextSelectionControls;
+        paintCursorAboveText = true;
+        cursorOpacityAnimates = true;
+        cursorColor ??=
+            selectionTheme.cursorColor ?? cupertinoTheme.primaryColor;
+        selectionColor = selectionTheme.selectionColor ??
+            cupertinoTheme.primaryColor.withOpacity(0.40);
+        cursorRadius ??= const Radius.circular(2.0);
+        cursorOffset = Offset(
+            iOSHorizontalOffset / MediaQuery.of(context).devicePixelRatio, 0);
+        break;
+      default:
+        throw UnimplementedError();
+    }
+
+    return _selectionGestureDetectorBuilder.build(
+      HitTestBehavior.translucent,
+      RawEditor(
+          _editorKey,
+          widget.controller,
+          widget.focusNode,
+          widget.scrollController,
+          widget.scrollable,
+          widget.padding,
+          widget.readOnly,
+          widget.onLaunchUrl,
+          ToolbarOptions(
+            copy: true,
+            cut: true,
+            paste: true,
+            selectAll: true,
+          ),
+          theme.platform == TargetPlatform.iOS ||
+              theme.platform == TargetPlatform.android,
+          widget.showCursor,
+          CursorStyle(
+            color: cursorColor,
+            backgroundColor: Colors.grey,
+            width: 2.0,
+            radius: cursorRadius,
+            offset: cursorOffset,
+            paintAboveText: paintCursorAboveText,
+            opacityAnimates: cursorOpacityAnimates,
+          ),
+          widget.textCapitalization,
+          widget.maxHeight,
+          widget.minHeight,
+          widget.expands,
+          widget.autoFocus,
+          selectionColor,
+          textSelectionControls,
+          widget.keyboardAppearance,
+          widget.enableInteractiveSelection,
+          widget.scrollPhysics),
+    );
   }
 
   @override
@@ -107,10 +195,155 @@ class _QuillEditorState extends State<QuillEditor>
   }
 }
 
+class _QuillEditorSelectionGestureDetectorBuilder
+    extends EditorTextSelectionGestureDetectorBuilder {
+  final _QuillEditorState _state;
+
+  _QuillEditorSelectionGestureDetectorBuilder(this._state) : super(_state);
+
+  @override
+  onForcePressStart(ForcePressDetails details) {
+    super.onForcePressStart(details);
+  }
+}
+
 class RawEditor extends StatefulWidget {
+  final QuillController controller;
+  final FocusNode focusNode;
+  final ScrollController scrollController;
+  final bool scrollable;
+  final EdgeInsetsGeometry padding;
+  final bool readOnly;
+  final ValueChanged<String> onLaunchUrl;
+  final ToolbarOptions toolbarOptions;
+  final bool showSelectionHandles;
+  final bool showCursor;
+  final CursorStyle cursorStyle;
+  final TextCapitalization textCapitalization;
+  final double maxHeight;
+  final double minHeight;
+  final bool expands;
+  final bool autoFocus;
+  final Color selectionColor;
+  final TextSelectionControls selectionCtrls;
+  final Brightness keyboardAppearance;
+  final bool enableInteractiveSelection;
+  final ScrollPhysics scrollPhysics;
+
+  RawEditor(
+      Key key,
+      this.controller,
+      this.focusNode,
+      this.scrollController,
+      this.scrollable,
+      this.padding,
+      this.readOnly,
+      this.onLaunchUrl,
+      this.toolbarOptions,
+      this.showSelectionHandles,
+      bool showCursor,
+      this.cursorStyle,
+      this.textCapitalization,
+      this.maxHeight,
+      this.minHeight,
+      this.expands,
+      this.autoFocus,
+      this.selectionColor,
+      this.selectionCtrls,
+      this.keyboardAppearance,
+      this.enableInteractiveSelection,
+      this.scrollPhysics)
+      : assert(controller != null),
+        assert(focusNode != null),
+        assert(scrollable || scrollController != null),
+        assert(selectionColor != null),
+        assert(enableInteractiveSelection != null),
+        assert(showSelectionHandles != null),
+        assert(readOnly != null),
+        assert(maxHeight == null || maxHeight > 0),
+        assert(minHeight == null || minHeight >= 0),
+        assert(
+            maxHeight == null || minHeight == null || maxHeight >= minHeight),
+        assert(autoFocus != null),
+        assert(toolbarOptions != null),
+        showCursor = showCursor ?? !readOnly,
+        super(key: key);
+
   @override
   State<StatefulWidget> createState() {
-    // TODO: implement createState
+    return RawEditorState();
+  }
+}
+
+class RawEditorState extends EditorState implements TextSelectionDelegate {
+  final GlobalKey _editorKey = GlobalKey();
+
+  @override
+  TextEditingValue textEditingValue;
+
+  @override
+  void bringIntoView(TextPosition position) {
+    // TODO: implement bringIntoView
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    throw UnimplementedError();
+  }
+
+  @override
+  // TODO: implement copyEnabled
+  bool get copyEnabled => throw UnimplementedError();
+
+  @override
+  // TODO: implement cutEnabled
+  bool get cutEnabled => throw UnimplementedError();
+
+  @override
+  RenderEditor getRenderEditor() {
+    // TODO: implement getRenderEditor
+    throw UnimplementedError();
+  }
+
+  @override
+  EditorTextSelectionOverlay getSelectionOverlay() {
+    // TODO: implement getSelectionOverlay
+    throw UnimplementedError();
+  }
+
+  @override
+  TextEditingValue getTextEditingValue() {
+    // TODO: implement getTextEditingValue
+    throw UnimplementedError();
+  }
+
+  @override
+  void hideToolbar() {
+    // TODO: implement hideToolbar
+  }
+
+  @override
+  // TODO: implement pasteEnabled
+  bool get pasteEnabled => throw UnimplementedError();
+
+  @override
+  void requestKeyboard() {
+    // TODO: implement requestKeyboard
+  }
+
+  @override
+  // TODO: implement selectAllEnabled
+  bool get selectAllEnabled => throw UnimplementedError();
+
+  @override
+  void setTextEditingValue(TextEditingValue value) {
+    // TODO: implement setTextEditingValue
+  }
+
+  @override
+  bool showToolbar() {
+    // TODO: implement showToolbar
     throw UnimplementedError();
   }
 }
@@ -205,6 +438,7 @@ class RenderEditor extends RenderEditableContainerBox
 
   @override
   void selectWordsInRange(Offset from, Offset to, SelectionChangedCause cause) {
+    assert(cause != null && from != null);
     // TODO: implement selectWordsInRange
   }
 }