fzhangtj
6 年前
当前提交
639c9f04
共有 20 个文件被更改，包括 1525 次插入 和 54 次删除
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6Assets/UIWidgets/Tests/RenderEditable.cs
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16Assets/UIWidgets/editor/editor_window.cs
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3Assets/UIWidgets/foundation/basic_types.cs
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1Assets/UIWidgets/painting/basic_types.cs
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8Assets/UIWidgets/painting/text_painter.cs
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173Assets/UIWidgets/painting/text_style.cs
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33Assets/UIWidgets/rendering/editable.cs
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27Assets/UIWidgets/service/text_editing.cs
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4Assets/UIWidgets/ui/txt/paragraph.cs
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3Assets/UIWidgets/ui/window.cs
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2Assets/UIWidgets/widgets/binding.cs
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8Assets/UIWidgets/widgets/framework.cs
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71Assets/UIWidgets/Tests/EditableTextWiget.cs
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3Assets/UIWidgets/Tests/EditableTextWiget.cs.meta
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108Assets/UIWidgets/service/text_formatter.cs
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3Assets/UIWidgets/service/text_formatter.cs.meta
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513Assets/UIWidgets/service/text_input.cs
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3Assets/UIWidgets/service/text_input.cs.meta
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591Assets/UIWidgets/widgets/editable_text.cs
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3Assets/UIWidgets/widgets/editable_text.cs.meta
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using UIWidgets.editor; |
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using UIWidgets.painting; |
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using UIWidgets.widgets; |
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using UnityEditor; |
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using Color = UIWidgets.ui.Color; |
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namespace UIWidgets.Tests |
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{ |
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public class EditableTextWiget: EditorWindow |
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{ |
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private WindowAdapter windowAdapter; |
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private WidgetsBindings widgetsBindings; |
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private PaintingBinding paintingBinding; |
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private Widget root; |
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private Widget image; |
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[MenuItem("UIWidgetsTests/EditableTextWiget")] |
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public static void renderWidgets() { |
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EditorWindow.GetWindow(typeof(EditableTextWiget)); |
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} |
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EditableTextWiget() { |
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} |
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void OnGUI() { |
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if (this.windowAdapter != null) { |
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this.windowAdapter.OnGUI(); |
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} |
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} |
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private void Update() { |
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if (this.windowAdapter != null) { |
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this.windowAdapter.Update(); |
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} |
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} |
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private void OnEnable() { |
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this.paintingBinding = new PaintingBinding(null); |
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paintingBinding.initInstances(); |
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this.windowAdapter = new WindowAdapter(this); |
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this.root = new widgets.Container( |
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width: 200, |
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height: 200, |
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margin: EdgeInsets.all(30.0), |
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padding: EdgeInsets.all(15.0), |
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color: ui.Color.fromARGB(255, 244, 190, 85), |
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child: new EditableText( |
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maxLines: 100, |
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textInput: windowAdapter.textInput, |
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controller: new TextEditingController("click to edit"), |
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focusNode: new FocusNode(), |
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style: new TextStyle(), |
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selectionColor: Color.fromARGB(255, 255, 0, 0), |
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cursorColor: Color.fromARGB(255, 0, 0, 0) |
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) |
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); |
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this.widgetsBindings = new WidgetsBindings(windowAdapter); |
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if (widgetsBindings != null) { |
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widgetsBindings.attachRootWidget(root); |
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} |
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} |
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void OnDestroy() { |
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this.windowAdapter = null; |
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this.widgetsBindings = null; |
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} |
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} |
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} |
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fileFormatVersion: 2 |
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guid: 1438fd697c854ab783eb666a6a62115c |
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timeCreated: 1537236780 |
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using System; |
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using System.Text.RegularExpressions; |
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using UIWidgets.foundation; |
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namespace UIWidgets.service |
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{ |
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public abstract class TextInputFormatter |
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{ |
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public delegate TextEditingValue TextInputFormatFunction(TextEditingValue oldValue, |
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TextEditingValue newValue); |
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public abstract TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue); |
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static TextInputFormatter withFunction(TextInputFormatFunction formatFunction) |
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{ |
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return new _SimpleTextInputFormatter(formatFunction); |
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} |
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} |
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internal class _SimpleTextInputFormatter : TextInputFormatter |
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{ |
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public readonly TextInputFormatFunction formatFunction; |
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internal _SimpleTextInputFormatter(TextInputFormatFunction formatFunction) |
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{ |
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D.assert(formatFunction != null); |
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this.formatFunction = formatFunction; |
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} |
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public override TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) |
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{ |
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return formatFunction(oldValue, newValue); |
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} |
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} |
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public class BlacklistingTextInputFormatter : TextInputFormatter |
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{ |
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public readonly Regex blacklistedPattern; |
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public readonly string replacementString; |
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public static readonly BlacklistingTextInputFormatter singleLineFormatter |
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= new BlacklistingTextInputFormatter(new Regex(@"\n")); |
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public BlacklistingTextInputFormatter(Regex blacklistedPattern, string replacementString = "") |
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{ |
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D.assert(blacklistedPattern != null); |
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this.blacklistedPattern = blacklistedPattern; |
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this.replacementString = replacementString; |
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} |
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public override TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) |
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{ |
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return Util._selectionAwareTextManipulation(newValue, |
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(substring) => blacklistedPattern.Replace(substring, replacementString)); |
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} |
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} |
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internal static class Util |
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{ |
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internal static TextEditingValue _selectionAwareTextManipulation(TextEditingValue value, |
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Func<string, string> substringManipulation) |
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{ |
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int selectionStartIndex = value.selection.start; |
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int selectionEndIndex = value.selection.end; |
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string manipulatedText; |
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TextSelection manipulatedSelection = null; |
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if (selectionStartIndex < 0 || selectionEndIndex < 0) |
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{ |
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manipulatedText = substringManipulation(value.text); |
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} |
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else |
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{ |
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var beforeSelection = substringManipulation( |
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value.text.Substring(0, selectionStartIndex) |
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); |
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var inSelection = substringManipulation( |
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value.text.Substring(selectionStartIndex, selectionEndIndex - selectionStartIndex) |
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); |
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var afterSelection = substringManipulation( |
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value.text.Substring(selectionEndIndex) |
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); |
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manipulatedText = beforeSelection + inSelection + afterSelection; |
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if (value.selection.baseOffset > value.selection.extentOffset) |
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{ |
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manipulatedSelection = value.selection.copyWith( |
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baseOffset: beforeSelection.Length + inSelection.Length, |
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extentOffset: beforeSelection.Length |
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); |
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} |
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else |
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{ |
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manipulatedSelection = value.selection.copyWith( |
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baseOffset: beforeSelection.Length, |
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extentOffset: beforeSelection.Length + inSelection.Length |
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); |
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} |
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} |
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return new TextEditingValue( |
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text: manipulatedText, |
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selection: manipulatedSelection ?? TextSelection.collapsed(offset: -1), |
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composing: manipulatedText == value.text ? value.composing : TextRange.empty |
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); |
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} |
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} |
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} |
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fileFormatVersion: 2 |
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guid: 6fbc4090466b444f8423c68d5928dfa7 |
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timeCreated: 1537166345 |
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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using UIWidgets.foundation; |
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using UnityEngine; |
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namespace UIWidgets.service |
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{ |
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public class TextEditingValue:IEquatable<TextEditingValue> |
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{ |
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public readonly string text; |
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public readonly TextSelection selection; |
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public readonly TextRange composing; |
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public TextEditingValue(string text = "", TextSelection selection = null, TextRange composing = null) |
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{ |
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this.text = text; |
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this.selection = selection ?? TextSelection.collapsed(-1); |
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this.composing = composing ?? TextRange.empty; |
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} |
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public TextEditingValue copyWith(string text = null, TextSelection selection = null, TextRange composing = null) |
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{ |
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return new TextEditingValue( |
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text??this.text, selection??this.selection, composing??this.composing |
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); |
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} |
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public TextEditingValue insert(string text) |
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{ |
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string newText; |
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TextSelection newSelection; |
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if (string.IsNullOrEmpty(text)) |
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{ |
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return this; |
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} |
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newText = selection.textBefore(this.text) + text + selection.textAfter(this.text); |
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newSelection = TextSelection.collapsed(selection.start + text.Length); |
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return new TextEditingValue( |
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text: newText, selection: newSelection,composing:TextRange.empty |
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); |
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} |
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public TextEditingValue deleteSelection() |
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{ |
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if (selection.isCollapsed) |
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{ |
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if (selection.start == 0) |
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{ |
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return this; |
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} |
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return this.copyWith(text: text.Substring(0, selection.start - 1) + selection.textAfter(this.text), |
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selection: TextSelection.collapsed(selection.start - 1)); |
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} |
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else |
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{ |
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var newText = selection.textBefore(this.text) + selection.textAfter(this.text); |
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return this.copyWith(text: newText, selection: TextSelection.collapsed(selection.start)); |
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} |
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} |
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public TextEditingValue moveLeft() |
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{ |
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return moveSelection(-1); |
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} |
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public TextEditingValue moveRight() |
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{ |
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return moveSelection(1); |
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} |
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public TextEditingValue extendLeft() |
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{ |
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return moveExtent(-1); |
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} |
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public TextEditingValue extendRight() |
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{ |
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return moveExtent(1); |
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} |
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public TextEditingValue moveExtent(int move) |
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{ |
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int offset = selection.extentOffset + move; |
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offset = Math.Max(0, offset); |
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offset = Math.Min(offset, text.Length); |
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return this.copyWith(selection: selection.copyWith(extentOffset: offset)); |
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} |
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public TextEditingValue moveSelection(int move) |
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{ |
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int offset = selection.baseOffset + move; |
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offset = Math.Max(0, offset); |
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offset = Math.Min(offset, text.Length); |
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return this.copyWith(selection: TextSelection.collapsed(offset)); |
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} |
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public static readonly TextEditingValue empty = new TextEditingValue(); |
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public bool Equals(TextEditingValue other) |
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{ |
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if (ReferenceEquals(null, other)) return false; |
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if (ReferenceEquals(this, other)) return true; |
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return string.Equals(text, other.text) && Equals(selection, other.selection) && Equals(composing, other.composing); |
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} |
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public override bool Equals(object obj) |
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{ |
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if (ReferenceEquals(null, obj)) return false; |
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if (ReferenceEquals(this, obj)) return true; |
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if (obj.GetType() != this.GetType()) return false; |
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return Equals((TextEditingValue) obj); |
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} |
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public override int GetHashCode() |
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{ |
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unchecked |
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{ |
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var hashCode = (text != null ? text.GetHashCode() : 0); |
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hashCode = (hashCode * 397) ^ (selection != null ? selection.GetHashCode() : 0); |
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hashCode = (hashCode * 397) ^ (composing != null ? composing.GetHashCode() : 0); |
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return hashCode; |
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} |
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} |
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public static bool operator ==(TextEditingValue left, TextEditingValue right) |
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{ |
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return Equals(left, right); |
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} |
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public static bool operator !=(TextEditingValue left, TextEditingValue right) |
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{ |
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return !Equals(left, right); |
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} |
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public override string ToString() |
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{ |
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return string.Format("Text: {0}, Selection: {1}, Composing: {2}", text, selection, composing); |
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} |
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} |
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public interface TextInputClient |
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{ |
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void updateEditingValue(TextEditingValue value); |
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// void performAction(TextInputAction action);
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} |
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public enum TextInputAction { |
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done, |
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newline, |
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} |
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public class TextInputConnection |
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{ |
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internal TextInputConnection(TextInputClient client, TextInput textInput) |
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{ |
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D.assert(client != null); |
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D.assert(textInput != null); |
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_client = client; |
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_textInput = textInput; |
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_id = _nextId++; |
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} |
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public bool attached |
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{ |
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get { return _textInput._currentConnection == this; } |
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} |
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public void setEditingState(TextEditingValue value) |
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{ |
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D.assert(attached); |
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_textInput._value = value; |
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} |
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public void close() |
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{ |
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if (attached) |
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{ |
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_textInput._currentConnection = null; |
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_textInput._value = null; |
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} |
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D.assert(!attached); |
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} |
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private static int _nextId = 1; |
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internal readonly int _id; |
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internal readonly TextInputClient _client; |
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internal readonly TextInput _textInput; |
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} |
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public class TextInput |
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{ |
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internal TextInputConnection _currentConnection; |
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internal TextEditingValue _value; |
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private List<char> inputValue = new List<char>(); |
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static Dictionary<Event, TextEditOp> s_Keyactions; |
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public TextInputConnection attach(TextInputClient client) |
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{ |
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D.assert(client != null); |
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var connection = new TextInputConnection(client, this); |
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_currentConnection = connection; |
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return connection; |
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} |
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public void OnGUI() |
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{ |
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if (_currentConnection == null) |
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{ |
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return; |
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} |
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var currentEvent = Event.current; |
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if (currentEvent.type == EventType.KeyDown) |
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{ |
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bool handled = handleKeyEvent(currentEvent); |
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if (!handled && currentEvent.keyCode == KeyCode.None) |
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{ |
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inputValue.Add(currentEvent.character); |
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} |
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currentEvent.Use(); |
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} |
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} |
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public void Update() |
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{ |
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if (_currentConnection == null) |
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{ |
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return; |
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} |
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if (inputValue.Count == 0) |
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{ |
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return; |
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} |
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_value = _value.insert(new string(inputValue.ToArray())); |
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//_value = _value.copyWith(text: _value.text + new string(inputValue.ToArray()));
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_currentConnection._client.updateEditingValue(_value); |
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inputValue.Clear(); |
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} |
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private bool handleKeyEvent(Event e) |
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{ |
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initKeyActions(); |
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EventModifiers m = e.modifiers; |
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e.modifiers &= ~EventModifiers.CapsLock; |
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if (s_Keyactions.ContainsKey(e)) |
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{ |
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TextEditOp op = s_Keyactions[e]; |
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var newValue = performOperation(op); |
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if (_value != newValue) |
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{ |
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_value = newValue; |
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_currentConnection._client.updateEditingValue(_value); |
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} |
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e.modifiers = m; |
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return true; |
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} |
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e.modifiers = m; |
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return false; |
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} |
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TextEditingValue performOperation(TextEditOp operation) |
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{ |
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// m_RevealCursor = true;
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TextEditingValue newValue = null; |
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switch (operation) |
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{ |
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case TextEditOp.MoveLeft: |
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return _value.moveLeft(); |
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case TextEditOp.MoveRight: |
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return _value.moveRight(); |
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// case TextEditOp.MoveUp: MoveUp(); break;
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// case TextEditOp.MoveDown: MoveDown(); break;
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// case TextEditOp.MoveLineStart: MoveLineStart(); break;
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// case TextEditOp.MoveLineEnd: MoveLineEnd(); break;
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// case TextEditOp.MoveWordRight: MoveWordRight(); break;
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// case TextEditOp.MoveToStartOfNextWord: MoveToStartOfNextWord(); break;
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// case TextEditOp.MoveToEndOfPreviousWord: MoveToEndOfPreviousWord(); break;
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// case TextEditOp.MoveWordLeft: MoveWordLeft(); break;
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// case TextEditOp.MoveTextStart: MoveTextStart(); break;
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// case TextEditOp.MoveTextEnd: MoveTextEnd(); break;
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// case TextEditOp.MoveParagraphForward: MoveParagraphForward(); break;
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// case TextEditOp.MoveParagraphBackward: MoveParagraphBackward(); break;
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// case TextEditOp.MoveGraphicalLineStart: MoveGraphicalLineStart(); break;
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// case TextEditOp.MoveGraphicalLineEnd: MoveGraphicalLineEnd(); break;
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case TextEditOp.SelectLeft: |
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return _value.extendLeft(); |
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case TextEditOp.SelectRight: |
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return _value.extendRight(); |
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// case TextEditOp.SelectUp: SelectUp(); break;
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// case TextEditOp.SelectDown: SelectDown(); break;
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// case TextEditOp.SelectWordRight: SelectWordRight(); break;
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// case TextEditOp.SelectWordLeft: SelectWordLeft(); break;
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// case TextEditOp.SelectToEndOfPreviousWord: SelectToEndOfPreviousWord(); break;
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// case TextEditOp.SelectToStartOfNextWord: SelectToStartOfNextWord(); break;
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//
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// case TextEditOp.SelectTextStart: SelectTextStart(); break;
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// case TextEditOp.SelectTextEnd: SelectTextEnd(); break;
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// case TextEditOp.ExpandSelectGraphicalLineStart: ExpandSelectGraphicalLineStart(); break;
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// case TextEditOp.ExpandSelectGraphicalLineEnd: ExpandSelectGraphicalLineEnd(); break;
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// case TextEditOp.SelectParagraphForward: SelectParagraphForward(); break;
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// case TextEditOp.SelectParagraphBackward: SelectParagraphBackward(); break;
|
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// case TextEditOp.SelectGraphicalLineStart: SelectGraphicalLineStart(); break;
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// case TextEditOp.SelectGraphicalLineEnd: SelectGraphicalLineEnd(); break;
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// case TextEditOp.Delete: return Delete();
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case TextEditOp.Backspace: |
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return _value.deleteSelection(); |
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// _value.composing
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// _value = _value.
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// case TextEditOp.Cut: return Cut();
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// case TextEditOp.Copy: Copy(); break;
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// case TextEditOp.Paste: return Paste();
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// case TextEditOp.SelectAll: SelectAll(); break;
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// case TextEditOp.SelectNone: SelectNone(); break;
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// case TextEditOp.DeleteWordBack: return DeleteWordBack(); // break; // The uncoditional return makes the "break;" issue a warning about unreachable code
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// case TextEditOp.DeleteLineBack: return DeleteLineBack();
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// case TextEditOp.DeleteWordForward: return DeleteWordForward(); // break; // The uncoditional return makes the "break;" issue a warning about unreachable code
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default: |
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Debug.Log("Unimplemented: " + operation); |
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break; |
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} |
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|
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return _value; |
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} |
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|
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|
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static void initKeyActions() |
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{ |
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if (s_Keyactions != null) |
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return; |
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s_Keyactions = new Dictionary<Event, TextEditOp>(); |
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|
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// key mappings shared by the platforms
|
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mapKey("left", TextEditOp.MoveLeft); |
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mapKey("right", TextEditOp.MoveRight); |
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mapKey("up", TextEditOp.MoveUp); |
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mapKey("down", TextEditOp.MoveDown); |
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|
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mapKey("#left", TextEditOp.SelectLeft); |
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mapKey("#right", TextEditOp.SelectRight); |
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mapKey("#up", TextEditOp.SelectUp); |
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mapKey("#down", TextEditOp.SelectDown); |
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|
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mapKey("delete", TextEditOp.Delete); |
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mapKey("backspace", TextEditOp.Backspace); |
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mapKey("#backspace", TextEditOp.Backspace); |
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|
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// OSX is the special case for input shortcuts
|
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if (SystemInfo.operatingSystemFamily == OperatingSystemFamily.MacOSX) |
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{ |
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// Keyboard mappings for mac
|
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// TODO mapKey ("home", TextEditOp.ScrollStart);
|
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// TODO mapKey ("end", TextEditOp.ScrollEnd);
|
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// TODO mapKey ("page up", TextEditOp.ScrollPageUp);
|
|||
// TODO mapKey ("page down", TextEditOp.ScrollPageDown);
|
|||
|
|||
mapKey("^left", TextEditOp.MoveGraphicalLineStart); |
|||
mapKey("^right", TextEditOp.MoveGraphicalLineEnd); |
|||
// TODO mapKey ("^up", TextEditOp.ScrollPageUp);
|
|||
// TODO mapKey ("^down", TextEditOp.ScrollPageDown);
|
|||
|
|||
mapKey("&left", TextEditOp.MoveWordLeft); |
|||
mapKey("&right", TextEditOp.MoveWordRight); |
|||
mapKey("&up", TextEditOp.MoveParagraphBackward); |
|||
mapKey("&down", TextEditOp.MoveParagraphForward); |
|||
|
|||
mapKey("%left", TextEditOp.MoveGraphicalLineStart); |
|||
mapKey("%right", TextEditOp.MoveGraphicalLineEnd); |
|||
mapKey("%up", TextEditOp.MoveTextStart); |
|||
mapKey("%down", TextEditOp.MoveTextEnd); |
|||
|
|||
mapKey("#home", TextEditOp.SelectTextStart); |
|||
mapKey("#end", TextEditOp.SelectTextEnd); |
|||
// TODO mapKey ("#page up", TextEditOp.SelectPageUp);
|
|||
// TODO mapKey ("#page down", TextEditOp.SelectPageDown);
|
|||
|
|||
mapKey("#^left", TextEditOp.ExpandSelectGraphicalLineStart); |
|||
mapKey("#^right", TextEditOp.ExpandSelectGraphicalLineEnd); |
|||
mapKey("#^up", TextEditOp.SelectParagraphBackward); |
|||
mapKey("#^down", TextEditOp.SelectParagraphForward); |
|||
|
|||
mapKey("#&left", TextEditOp.SelectWordLeft); |
|||
mapKey("#&right", TextEditOp.SelectWordRight); |
|||
mapKey("#&up", TextEditOp.SelectParagraphBackward); |
|||
mapKey("#&down", TextEditOp.SelectParagraphForward); |
|||
|
|||
mapKey("#%left", TextEditOp.ExpandSelectGraphicalLineStart); |
|||
mapKey("#%right", TextEditOp.ExpandSelectGraphicalLineEnd); |
|||
mapKey("#%up", TextEditOp.SelectTextStart); |
|||
mapKey("#%down", TextEditOp.SelectTextEnd); |
|||
|
|||
mapKey("%a", TextEditOp.SelectAll); |
|||
mapKey("%x", TextEditOp.Cut); |
|||
mapKey("%c", TextEditOp.Copy); |
|||
mapKey("%v", TextEditOp.Paste); |
|||
|
|||
// emacs-like keybindings
|
|||
mapKey("^d", TextEditOp.Delete); |
|||
mapKey("^h", TextEditOp.Backspace); |
|||
mapKey("^b", TextEditOp.MoveLeft); |
|||
mapKey("^f", TextEditOp.MoveRight); |
|||
mapKey("^a", TextEditOp.MoveLineStart); |
|||
mapKey("^e", TextEditOp.MoveLineEnd); |
|||
|
|||
mapKey("&delete", TextEditOp.DeleteWordForward); |
|||
mapKey("&backspace", TextEditOp.DeleteWordBack); |
|||
mapKey("%backspace", TextEditOp.DeleteLineBack); |
|||
} |
|||
else |
|||
{ |
|||
// Windows/Linux keymappings
|
|||
mapKey("home", TextEditOp.MoveGraphicalLineStart); |
|||
mapKey("end", TextEditOp.MoveGraphicalLineEnd); |
|||
// TODO mapKey ("page up", TextEditOp.MovePageUp);
|
|||
// TODO mapKey ("page down", TextEditOp.MovePageDown);
|
|||
|
|||
mapKey("%left", TextEditOp.MoveWordLeft); |
|||
mapKey("%right", TextEditOp.MoveWordRight); |
|||
mapKey("%up", TextEditOp.MoveParagraphBackward); |
|||
mapKey("%down", TextEditOp.MoveParagraphForward); |
|||
|
|||
mapKey("^left", TextEditOp.MoveToEndOfPreviousWord); |
|||
mapKey("^right", TextEditOp.MoveToStartOfNextWord); |
|||
mapKey("^up", TextEditOp.MoveParagraphBackward); |
|||
mapKey("^down", TextEditOp.MoveParagraphForward); |
|||
|
|||
mapKey("#^left", TextEditOp.SelectToEndOfPreviousWord); |
|||
mapKey("#^right", TextEditOp.SelectToStartOfNextWord); |
|||
mapKey("#^up", TextEditOp.SelectParagraphBackward); |
|||
mapKey("#^down", TextEditOp.SelectParagraphForward); |
|||
|
|||
mapKey("#home", TextEditOp.SelectGraphicalLineStart); |
|||
mapKey("#end", TextEditOp.SelectGraphicalLineEnd); |
|||
// TODO mapKey ("#page up", TextEditOp.SelectPageUp);
|
|||
// TODO mapKey ("#page down", TextEditOp.SelectPageDown);
|
|||
|
|||
mapKey("^delete", TextEditOp.DeleteWordForward); |
|||
mapKey("^backspace", TextEditOp.DeleteWordBack); |
|||
mapKey("%backspace", TextEditOp.DeleteLineBack); |
|||
|
|||
mapKey("^a", TextEditOp.SelectAll); |
|||
mapKey("^x", TextEditOp.Cut); |
|||
mapKey("^c", TextEditOp.Copy); |
|||
mapKey("^v", TextEditOp.Paste); |
|||
mapKey("#delete", TextEditOp.Cut); |
|||
mapKey("^insert", TextEditOp.Copy); |
|||
mapKey("#insert", TextEditOp.Paste); |
|||
} |
|||
} |
|||
|
|||
static void mapKey(string key, TextEditOp action) |
|||
{ |
|||
s_Keyactions[Event.KeyboardEvent(key)] = action; |
|||
} |
|||
} |
|||
|
|||
internal enum TextEditOp |
|||
{ |
|||
MoveLeft, |
|||
MoveRight, |
|||
MoveUp, |
|||
MoveDown, |
|||
MoveLineStart, |
|||
MoveLineEnd, |
|||
MoveTextStart, |
|||
MoveTextEnd, |
|||
MovePageUp, |
|||
MovePageDown, |
|||
MoveGraphicalLineStart, |
|||
MoveGraphicalLineEnd, |
|||
MoveWordLeft, |
|||
MoveWordRight, |
|||
MoveParagraphForward, |
|||
MoveParagraphBackward, |
|||
MoveToStartOfNextWord, |
|||
MoveToEndOfPreviousWord, |
|||
SelectLeft, |
|||
SelectRight, |
|||
SelectUp, |
|||
SelectDown, |
|||
SelectTextStart, |
|||
SelectTextEnd, |
|||
SelectPageUp, |
|||
SelectPageDown, |
|||
ExpandSelectGraphicalLineStart, |
|||
ExpandSelectGraphicalLineEnd, |
|||
SelectGraphicalLineStart, |
|||
SelectGraphicalLineEnd, |
|||
SelectWordLeft, |
|||
SelectWordRight, |
|||
SelectToEndOfPreviousWord, |
|||
SelectToStartOfNextWord, |
|||
SelectParagraphBackward, |
|||
SelectParagraphForward, |
|||
Delete, |
|||
Backspace, |
|||
DeleteWordBack, |
|||
DeleteWordForward, |
|||
DeleteLineBack, |
|||
Cut, |
|||
Copy, |
|||
Paste, |
|||
SelectAll, |
|||
SelectNone, |
|||
ScrollStart, |
|||
ScrollEnd, |
|||
ScrollPageUp, |
|||
ScrollPageDown, |
|||
} |
|||
} |
|||
|
|||
fileFormatVersion: 2 |
|||
guid: 74a6b923efea4cc6bc243bd2ee179330 |
|||
timeCreated: 1537164543 |
|||
|
|||
using System; |
|||
using System.Collections.Generic; |
|||
using RSG; |
|||
using UIWidgets.animation; |
|||
using UIWidgets.foundation; |
|||
using UIWidgets.gestures; |
|||
using UIWidgets.painting; |
|||
using UIWidgets.rendering; |
|||
using UIWidgets.service; |
|||
using UIWidgets.ui; |
|||
using UnityEngine; |
|||
using Color = UIWidgets.ui.Color; |
|||
using Rect = UIWidgets.ui.Rect; |
|||
using TextStyle = UIWidgets.painting.TextStyle; |
|||
|
|||
namespace UIWidgets.widgets |
|||
{ |
|||
public delegate void SelectionChangedCallback(TextSelection selection, SelectionChangedCause cause); |
|||
|
|||
public class TextEditingController : ValueNotifier<TextEditingValue> |
|||
{ |
|||
public TextEditingController(string text) : base(text == null |
|||
? TextEditingValue.empty |
|||
: new TextEditingValue(text)) |
|||
{ |
|||
} |
|||
|
|||
private TextEditingController(TextEditingValue value) : base(value ?? TextEditingValue.empty) |
|||
{ |
|||
} |
|||
|
|||
public TextEditingController fromValue(TextEditingValue value) |
|||
{ |
|||
return new TextEditingController(value); |
|||
} |
|||
|
|||
public string text |
|||
{ |
|||
get { return value.text; } |
|||
|
|||
set |
|||
{ |
|||
this.value = this.value.copyWith(text: value, selection: TextSelection.collapsed(-1), |
|||
composing: TextRange.empty); |
|||
} |
|||
} |
|||
|
|||
public TextSelection selection |
|||
{ |
|||
get { return value.selection; } |
|||
|
|||
set |
|||
{ |
|||
if (value.start > text.Length || value.end > text.Length) |
|||
{ |
|||
throw new UIWidgetsError(string.Format("invalid text selection: {0}", value)); |
|||
} |
|||
|
|||
this.value = this.value.copyWith(selection: value, composing: TextRange.empty); |
|||
} |
|||
} |
|||
|
|||
public void clear() |
|||
{ |
|||
value = TextEditingValue.empty; |
|||
} |
|||
|
|||
public void clearComposing() |
|||
{ |
|||
value = value.copyWith(composing: TextRange.empty); |
|||
} |
|||
} |
|||
|
|||
public class EditableText : StatefulWidget |
|||
{ |
|||
public readonly TextInput textInput; |
|||
public readonly TextEditingController controller; |
|||
|
|||
public readonly FocusNode focusNode; |
|||
|
|||
public readonly bool obscureText; |
|||
|
|||
public readonly bool autocorrect; |
|||
|
|||
public readonly TextStyle style; |
|||
|
|||
public readonly TextAlign textAlign; |
|||
|
|||
public readonly TextDirection? textDirection; |
|||
|
|||
public readonly double textScaleFactor; |
|||
|
|||
public readonly Color cursorColor; |
|||
|
|||
public readonly int maxLines; |
|||
|
|||
public readonly bool autofocus; |
|||
|
|||
public readonly Color selectionColor; |
|||
|
|||
public readonly ValueChanged<string> onChanged; |
|||
public readonly ValueChanged<string> onSubmitted; |
|||
|
|||
public readonly SelectionChangedCallback onSelectionChanged; |
|||
|
|||
public readonly List<TextInputFormatter> inputFormatters; |
|||
|
|||
public readonly bool rendererIgnoresPointer; |
|||
|
|||
public EditableText(TextInput textInput, TextEditingController controller, FocusNode focusNode, TextStyle style, |
|||
Color cursorColor, bool obscureText = false, bool autocorrect = false, |
|||
TextAlign textAlign = TextAlign.left, TextDirection? textDirection = null, |
|||
double textScaleFactor = 1.0, int maxLines = 1, |
|||
bool autofocus = false, Color selectionColor = null, ValueChanged<string> onChanged = null, |
|||
ValueChanged<string> onSubmitted = null, SelectionChangedCallback onSelectionChanged = null, |
|||
List<TextInputFormatter> inputFormatters = null, bool rendererIgnoresPointer = false, |
|||
Key key = null) : base(key) |
|||
{ |
|||
D.assert(controller != null); |
|||
D.assert(focusNode != null); |
|||
D.assert(style != null); |
|||
D.assert(cursorColor != null); |
|||
D.assert(textInput != null); |
|||
this.textInput = textInput; |
|||
this.controller = controller; |
|||
this.focusNode = focusNode; |
|||
this.obscureText = obscureText; |
|||
this.autocorrect = autocorrect; |
|||
this.style = style; |
|||
this.textAlign = textAlign; |
|||
this.textDirection = textDirection; |
|||
this.textScaleFactor = textScaleFactor; |
|||
this.cursorColor = cursorColor; |
|||
this.maxLines = maxLines; |
|||
this.autofocus = autofocus; |
|||
this.selectionColor = selectionColor; |
|||
this.onChanged = onChanged; |
|||
this.onSubmitted = onSubmitted; |
|||
this.onSelectionChanged = onSelectionChanged; |
|||
this.rendererIgnoresPointer = rendererIgnoresPointer; |
|||
if (maxLines == 1) |
|||
{ |
|||
this.inputFormatters = new List<TextInputFormatter>(); |
|||
this.inputFormatters.Add(BlacklistingTextInputFormatter.singleLineFormatter); |
|||
if (inputFormatters != null) |
|||
{ |
|||
this.inputFormatters.AddRange(inputFormatters); |
|||
} |
|||
} |
|||
else |
|||
{ |
|||
this.inputFormatters = inputFormatters; |
|||
} |
|||
} |
|||
|
|||
public override State createState() |
|||
{ |
|||
return new EditableTextState(); |
|||
} |
|||
|
|||
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) { |
|||
base.debugFillProperties(properties); |
|||
properties.add(new DiagnosticsProperty<TextEditingController>("controller", controller)); |
|||
properties.add(new DiagnosticsProperty<FocusNode>("focusNode", focusNode)); |
|||
properties.add(new DiagnosticsProperty<bool>("obscureText", obscureText, defaultValue: false)); |
|||
properties.add(new DiagnosticsProperty<bool>("autocorrect", autocorrect, defaultValue: true)); |
|||
if (style != null) |
|||
{ |
|||
style.debugFillProperties(properties); |
|||
} |
|||
properties.add(new EnumProperty<TextAlign>("textAlign", textAlign, defaultValue: null)); |
|||
properties.add(new EnumProperty<TextDirection?>("textDirection", textDirection, defaultValue: null)); |
|||
properties.add(new DiagnosticsProperty<double>("textScaleFactor", textScaleFactor, defaultValue: null)); |
|||
properties.add(new DiagnosticsProperty<int>("maxLines", maxLines, defaultValue: 1)); |
|||
properties.add(new DiagnosticsProperty<bool>("autofocus", autofocus, defaultValue: false)); |
|||
} |
|||
} |
|||
|
|||
public class EditableTextState: State<EditableText>, TextInputClient |
|||
{ |
|||
|
|||
const int _kObscureShowLatestCharCursorTicks = 3; |
|||
private ValueNotifier<bool> _showCursor = new ValueNotifier<bool>(true); // todo
|
|||
private GlobalKey _editableKey = GlobalKey.key(); |
|||
private bool _didAutoFocus = false; |
|||
|
|||
TextInputConnection _textInputConnection; |
|||
private int _obscureShowCharTicksPending = 0; |
|||
private int _obscureLatestCharIndex; |
|||
|
|||
bool _textChangedSinceLastCaretUpdate = false; |
|||
public override void initState() |
|||
{ |
|||
base.initState(); |
|||
widget.controller.addListener(_didChangeTextEditingValue); |
|||
widget.focusNode.addListener(_handleFocusChanged); |
|||
} |
|||
|
|||
public override void didChangeDependencies() |
|||
{ |
|||
base.didChangeDependencies(); |
|||
if (!_didAutoFocus && widget.autofocus) |
|||
{ |
|||
FocusScope.of(context).autofocus(widget.focusNode); |
|||
_didAutoFocus = true; |
|||
} |
|||
} |
|||
|
|||
public override void didUpdateWidget(StatefulWidget old) |
|||
{ |
|||
EditableText oldWidget = (EditableText) old; |
|||
base.didUpdateWidget(oldWidget); |
|||
if (widget.controller != oldWidget.controller) |
|||
{ |
|||
oldWidget.controller.removeListener(_didChangeTextEditingValue); |
|||
widget.controller.addListener(_didChangeTextEditingValue); |
|||
_updateRemoteEditingValueIfNeeded(); |
|||
} |
|||
if (widget.focusNode != oldWidget.focusNode) { |
|||
oldWidget.focusNode.removeListener(_handleFocusChanged); |
|||
widget.focusNode.addListener(_handleFocusChanged); |
|||
} |
|||
} |
|||
|
|||
public override void dispose() |
|||
{ |
|||
widget.controller.removeListener(_didChangeTextEditingValue); |
|||
_closeInputConnectionIfNeeded(); |
|||
D.assert(!_hasInputConnection); |
|||
widget.focusNode.removeListener(_handleFocusChanged); |
|||
base.dispose(); |
|||
} |
|||
|
|||
TextEditingValue _lastKnownRemoteTextEditingValue; |
|||
|
|||
public void updateEditingValue(TextEditingValue value) { |
|||
if (value.text != _value.text) { |
|||
// _hideSelectionOverlayIfNeeded();
|
|||
if (widget.obscureText && value.text.Length == _value.text.Length + 1) { |
|||
_obscureShowCharTicksPending = _kObscureShowLatestCharCursorTicks; |
|||
_obscureLatestCharIndex = _value.selection.baseOffset; |
|||
} |
|||
} |
|||
|
|||
_lastKnownRemoteTextEditingValue = value; |
|||
_formatAndSetValue(value); |
|||
} |
|||
|
|||
void _updateRemoteEditingValueIfNeeded() |
|||
{ |
|||
if (!_hasInputConnection) |
|||
return; |
|||
var localValue = _value; |
|||
if (localValue == _lastKnownRemoteTextEditingValue) |
|||
return; |
|||
_lastKnownRemoteTextEditingValue = localValue; |
|||
_textInputConnection.setEditingState(localValue); |
|||
} |
|||
|
|||
|
|||
bool _hasInputConnection |
|||
{ |
|||
get |
|||
{ |
|||
return _textInputConnection != null && _textInputConnection.attached; |
|||
} |
|||
} |
|||
|
|||
|
|||
void _openInputConnection() { |
|||
if (!_hasInputConnection) { |
|||
TextEditingValue localValue = _value; |
|||
_lastKnownRemoteTextEditingValue = localValue; |
|||
_textInputConnection = widget.textInput.attach(this); |
|||
_textInputConnection.setEditingState(localValue); |
|||
} |
|||
} |
|||
|
|||
void _closeInputConnectionIfNeeded() { |
|||
if (_hasInputConnection) { |
|||
_textInputConnection.close(); |
|||
_textInputConnection = null; |
|||
_lastKnownRemoteTextEditingValue = null; |
|||
} |
|||
} |
|||
|
|||
void _openOrCloseInputConnectionIfNeeded() { |
|||
if (_hasFocus && widget.focusNode.consumeKeyboardToken()) { |
|||
_openInputConnection(); |
|||
} else if (!_hasFocus) { |
|||
_closeInputConnectionIfNeeded(); |
|||
widget.controller.clearComposing(); |
|||
} |
|||
} |
|||
|
|||
public void requestKeyboard() |
|||
{ |
|||
if (_hasFocus) |
|||
{ |
|||
_openInputConnection(); |
|||
} |
|||
else |
|||
{ |
|||
FocusScope.of(context).requestFocus(widget.focusNode); |
|||
} |
|||
} |
|||
|
|||
private void _handleSelectionChanged(TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
|||
widget.controller.selection = selection; |
|||
requestKeyboard(); |
|||
|
|||
if (widget.onSelectionChanged != null) |
|||
{ |
|||
widget.onSelectionChanged(selection, cause); |
|||
} |
|||
} |
|||
|
|||
void _handleCaretChanged(Rect caretRect) { |
|||
if (_textChangedSinceLastCaretUpdate) { |
|||
_textChangedSinceLastCaretUpdate = false; |
|||
// scheduleMicrotask(() { // todo
|
|||
// _scrollController.animateTo(
|
|||
// _getScrollOffsetForCaret(caretRect),
|
|||
// curve: Curves.fastOutSlowIn,
|
|||
// duration: const Duration(milliseconds: 50),
|
|||
// );
|
|||
// });
|
|||
} |
|||
} |
|||
private void _formatAndSetValue(TextEditingValue value) { |
|||
var textChanged = (_value == null ? null : _value.text) != (value == null ? null : value.text); |
|||
if (widget.inputFormatters != null && widget.inputFormatters.isNotEmpty()) { |
|||
foreach (var formatter in widget.inputFormatters) |
|||
{ |
|||
value = formatter.formatEditUpdate(_value, value); |
|||
} |
|||
_value = value; |
|||
_updateRemoteEditingValueIfNeeded(); |
|||
} else { |
|||
_value = value; |
|||
} |
|||
|
|||
if (textChanged && widget.onChanged != null) |
|||
{ |
|||
widget.onChanged(value.text); |
|||
} |
|||
} |
|||
|
|||
private TextEditingValue _value |
|||
{ |
|||
get { return widget.controller.value; } |
|||
set |
|||
{ |
|||
widget.controller.value = value; |
|||
} |
|||
} |
|||
|
|||
private bool _hasFocus |
|||
{ |
|||
get { return widget.focusNode.hasFocus; } |
|||
} |
|||
|
|||
private bool _isMultiline |
|||
{ |
|||
get { return widget.maxLines != 1; } |
|||
} |
|||
|
|||
private void _didChangeTextEditingValue() |
|||
{ |
|||
_updateRemoteEditingValueIfNeeded(); |
|||
_textChangedSinceLastCaretUpdate = true; |
|||
setState(() => {}); |
|||
} |
|||
|
|||
private void _handleFocusChanged() |
|||
{ |
|||
_openOrCloseInputConnectionIfNeeded(); |
|||
if (!_hasFocus) { |
|||
_value = new TextEditingValue(text: _value.text); |
|||
} else if (!_value.selection.isValid) { |
|||
widget.controller.selection = TextSelection.collapsed(offset: _value.text.Length); |
|||
} |
|||
} |
|||
|
|||
|
|||
private TextDirection? _textDirection |
|||
{ |
|||
get |
|||
{ |
|||
TextDirection? result = widget.textDirection ?? Directionality.of(context); |
|||
D.assert(result != null, |
|||
string.Format("{0} created without a textDirection and with no ambient Directionality.", GetType().FullName)); |
|||
return result; |
|||
} |
|||
} |
|||
|
|||
public RenderEditable renderEditable |
|||
{ |
|||
get { return (RenderEditable)_editableKey.currentContext.findRenderObject(); } |
|||
} |
|||
|
|||
public override Widget build(BuildContext context) |
|||
{ |
|||
FocusScope.of(context).reparentIfNeeded(widget.focusNode); |
|||
// todo base.build(context); See AutomaticKeepAliveClientMixin.
|
|||
return new _Editable( |
|||
key: _editableKey, |
|||
textSpan: buildTextSpan(), |
|||
value: _value, |
|||
cursorColor: widget.cursorColor, |
|||
showCursor: _showCursor, |
|||
hasFocus: _hasFocus, |
|||
maxLines: widget.maxLines, |
|||
selectionColor: widget.selectionColor, |
|||
textScaleFactor: 1.0, // todo widget.textScaleFactor ?? MediaQuery.textScaleFactorOf(context),
|
|||
textAlign: widget.textAlign, |
|||
textDirection: _textDirection, |
|||
obscureText: widget.obscureText, |
|||
autocorrect: widget.autocorrect, |
|||
offset: new _FixedViewportOffset(0.0), |
|||
onSelectionChanged: _handleSelectionChanged, |
|||
onCaretChanged: _handleCaretChanged, |
|||
rendererIgnoresPointer: widget.rendererIgnoresPointer |
|||
); |
|||
|
|||
} |
|||
|
|||
public TextSpan buildTextSpan() { |
|||
if (!widget.obscureText && _value.composing.isValid) { |
|||
TextStyle composingStyle = widget.style.merge( |
|||
new TextStyle(decoration: TextDecoration.underline) |
|||
); |
|||
|
|||
return new TextSpan( |
|||
style: widget.style, |
|||
children: new List<TextSpan> |
|||
{ |
|||
new TextSpan(text: _value.composing.textBefore(_value.text)), |
|||
new TextSpan( |
|||
style: composingStyle, |
|||
text: _value.composing.textInside(_value.text) |
|||
), |
|||
new TextSpan(text: _value.composing.textAfter(_value.text)), |
|||
}); |
|||
} |
|||
|
|||
var text = _value.text; |
|||
if (widget.obscureText) { |
|||
text = new string(RenderEditable.obscuringCharacter, text.Length); |
|||
int o = |
|||
_obscureShowCharTicksPending > 0 ? _obscureLatestCharIndex : -1; |
|||
if (o >= 0 && o < text.Length) |
|||
text = text.Substring(0, o) + _value.text.Substring(o, 1) + text.Substring(o + 1); |
|||
} |
|||
return new TextSpan(style: widget.style, text: text); |
|||
} |
|||
} |
|||
|
|||
|
|||
|
|||
internal class _Editable : LeafRenderObjectWidget |
|||
{ |
|||
public readonly TextSpan textSpan; |
|||
public readonly TextEditingValue value; |
|||
public readonly Color cursorColor; |
|||
public readonly ValueNotifier<bool> showCursor; |
|||
public readonly bool hasFocus; |
|||
public readonly int maxLines; |
|||
public readonly Color selectionColor; |
|||
public readonly double textScaleFactor; |
|||
public readonly TextAlign textAlign; |
|||
public readonly TextDirection? textDirection; |
|||
public readonly bool obscureText; |
|||
public readonly bool autocorrect; |
|||
public readonly ViewportOffset offset; |
|||
public readonly SelectionChangedHandler onSelectionChanged; |
|||
public readonly CaretChangedHandler onCaretChanged; |
|||
public readonly bool rendererIgnoresPointer; |
|||
|
|||
|
|||
public _Editable(TextSpan textSpan = null, TextEditingValue value = null, |
|||
Color cursorColor = null, ValueNotifier<bool> showCursor = null, bool hasFocus = false, |
|||
int maxLines = 0, Color selectionColor = null, double textScaleFactor = 1.0, |
|||
TextDirection? textDirection = null, bool obscureText = false, TextAlign textAlign = TextAlign.left, |
|||
bool autocorrect = false, ViewportOffset offset = null, SelectionChangedHandler onSelectionChanged = null, |
|||
CaretChangedHandler onCaretChanged = null, bool rendererIgnoresPointer = false, Key key = null) : base(key) |
|||
{ |
|||
|
|||
this.textSpan = textSpan; |
|||
this.value = value; |
|||
this.cursorColor = cursorColor; |
|||
this.showCursor = showCursor; |
|||
this.hasFocus = hasFocus; |
|||
this.maxLines = maxLines; |
|||
this.selectionColor = selectionColor; |
|||
this.textScaleFactor = textScaleFactor; |
|||
this.textDirection = textDirection; |
|||
this.obscureText = obscureText; |
|||
this.autocorrect = autocorrect; |
|||
this.offset = offset; |
|||
this.onSelectionChanged = onSelectionChanged; |
|||
this.onCaretChanged = onCaretChanged; |
|||
this.rendererIgnoresPointer = rendererIgnoresPointer; |
|||
} |
|||
|
|||
public override RenderObject createRenderObject(BuildContext context) |
|||
{ |
|||
return new RenderEditable( |
|||
text: textSpan, |
|||
textDirection: textDirection??TextDirection.ltr, |
|||
offset: offset, |
|||
showCursor: showCursor, |
|||
cursorColor: cursorColor, |
|||
hasFocus: hasFocus, |
|||
maxLines: maxLines, |
|||
selectionColor: selectionColor, |
|||
textScaleFactor: textScaleFactor, |
|||
textAlign: textAlign, |
|||
selection: value.selection, |
|||
obscureText: obscureText, |
|||
onSelectionChanged: onSelectionChanged, |
|||
onCaretChanged: onCaretChanged, |
|||
ignorePointer: rendererIgnoresPointer |
|||
); |
|||
} |
|||
|
|||
public override void updateRenderObject(BuildContext context, RenderObject renderObject) |
|||
{ |
|||
var edit = (RenderEditable) renderObject; |
|||
edit.text = textSpan; |
|||
edit.cursorColor = cursorColor; |
|||
edit.showCursor = showCursor; |
|||
edit.hasFocus = hasFocus; |
|||
edit.maxLines = maxLines; |
|||
edit.selectionColor = selectionColor; |
|||
edit.textScaleFactor = textScaleFactor; |
|||
edit.textAlign = textAlign; |
|||
edit.textDirection = textDirection; |
|||
edit.selection = value.selection; |
|||
edit.offset = offset; |
|||
edit.onSelectionChanged = onSelectionChanged; |
|||
edit.onCaretChanged = onCaretChanged; |
|||
edit.ignorePointer = rendererIgnoresPointer; |
|||
edit.obscureText = obscureText; |
|||
} |
|||
} |
|||
|
|||
|
|||
class _FixedViewportOffset : ViewportOffset { |
|||
internal _FixedViewportOffset(double _pixels) { |
|||
this._pixels = _pixels; |
|||
} |
|||
|
|||
internal new static _FixedViewportOffset zero() { |
|||
return new _FixedViewportOffset(0.0); |
|||
} |
|||
|
|||
double _pixels; |
|||
|
|||
public override double pixels { |
|||
get { return this._pixels; } |
|||
} |
|||
|
|||
public override bool applyViewportDimension(double viewportDimension) { |
|||
return true; |
|||
} |
|||
|
|||
public override bool applyContentDimensions(double minScrollExtent, double maxScrollExtent) { |
|||
return true; |
|||
} |
|||
|
|||
public override void correctBy(double correction) { |
|||
this._pixels += correction; |
|||
} |
|||
|
|||
public override void jumpTo(double pixels) { |
|||
} |
|||
|
|||
public override IPromise animateTo(double to, TimeSpan duration, Curve curve) { |
|||
return Promise.Resolved(); |
|||
} |
|||
|
|||
public override ScrollDirection userScrollDirection { |
|||
get { return ScrollDirection.idle; } |
|||
} |
|||
|
|||
public override bool allowImplicitScrolling { |
|||
get { return false; } |
|||
} |
|||
} |
|||
} |
|||
|
|||
fileFormatVersion: 2 |
|||
guid: b400bbae381e45f8b7242bb9e881bcd5 |
|||
timeCreated: 1537163865 |
|||
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