663 lines
22 KiB
C#
663 lines
22 KiB
C#
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// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Reflection;
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namespace Unity.CodeEditor
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{
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/// <summary>
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/// A container for the text editor options.
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/// </summary>
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internal class TextEditorOptions : INotifyPropertyChanged
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{
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#region ctor
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/// <summary>
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/// Initializes an empty instance of TextEditorOptions.
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/// </summary>
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internal TextEditorOptions()
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{
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}
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/// <summary>
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/// Initializes a new instance of TextEditorOptions by copying all values
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/// from <paramref name="options"/> to the new instance.
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/// </summary>
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internal TextEditorOptions(TextEditorOptions options)
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{
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// get all the fields in the class
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var fields = typeof(TextEditorOptions).GetRuntimeFields();
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// copy each value over to 'this'
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foreach (FieldInfo fi in fields)
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{
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if (!fi.IsStatic)
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fi.SetValue(this, fi.GetValue(options));
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}
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}
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#endregion
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#region PropertyChanged handling
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/// <inheritdoc/>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary>
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/// Raises the PropertyChanged event.
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/// </summary>
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/// <param name="propertyName">The name of the changed property.</param>
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protected void OnPropertyChanged(string propertyName)
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{
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var args = new PropertyChangedEventArgs(propertyName);
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OnPropertyChanged(args);
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}
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/// <summary>
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/// Raises the PropertyChanged event.
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/// </summary>
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protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
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{
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PropertyChanged?.Invoke(this, e);
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}
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#endregion
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#region ShowSpaces / ShowTabs / ShowEndOfLine
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private bool _showSpaces;
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/// <summary>
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/// Gets/Sets whether to show a visible glyph for spaces. The glyph displayed can be set via <see cref="ShowSpacesGlyph" />
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/// </summary>
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/// <remarks>The default value is <c>false</c>.</remarks>
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[DefaultValue(false)]
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internal virtual bool ShowSpaces
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{
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get { return _showSpaces; }
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set
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{
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if (_showSpaces != value)
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{
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_showSpaces = value;
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OnPropertyChanged(nameof(ShowSpaces));
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}
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}
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}
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private string _showSpacesGlyph = ".";
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/// <summary>
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/// Gets/Sets the char to show when ShowSpaces option is enabled
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/// </summary>
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/// <remarks>The default value is <c>·</c>.</remarks>
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[DefaultValue(".")]
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internal virtual string ShowSpacesGlyph
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{
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get { return _showSpacesGlyph; }
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set
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{
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if (_showSpacesGlyph != value)
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{
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_showSpacesGlyph = value;
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OnPropertyChanged(nameof(ShowSpacesGlyph));
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}
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}
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}
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private bool _showTabs;
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/// <summary>
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/// Gets/Sets whether to show a visible glyph for tab. The glyph displayed can be set via <see cref="ShowTabsGlyph" />
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/// </summary>
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/// <remarks>The default value is <c>false</c>.</remarks>
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[DefaultValue(false)]
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internal virtual bool ShowTabs
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{
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get { return _showTabs; }
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set
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{
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if (_showTabs != value)
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{
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_showTabs = value;
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OnPropertyChanged(nameof(ShowTabs));
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}
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}
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}
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private string _showTabsGlyph = "\u00bb";
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/// <summary>
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/// Gets/Sets the char to show when ShowTabs option is enabled
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/// </summary>
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/// <remarks>The default value is <c>→</c>.</remarks>
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[DefaultValue("\u00bb")]
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internal virtual string ShowTabsGlyph
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{
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get { return _showTabsGlyph; }
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set
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{
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if (_showTabsGlyph != value)
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{
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_showTabsGlyph = value;
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OnPropertyChanged(nameof(ShowTabsGlyph));
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}
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}
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}
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private bool _showEndOfLine;
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/// <summary>
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/// Gets/Sets whether to show EOL char at the end of lines. The glyphs displayed can be set via <see cref="EndOfLineCRLFGlyph" />, <see cref="EndOfLineCRGlyph" /> and <see cref="EndOfLineLFGlyph" />.
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/// </summary>
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/// <remarks>The default value is <c>false</c>.</remarks>
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[DefaultValue(false)]
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internal virtual bool ShowEndOfLine
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{
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get { return _showEndOfLine; }
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set
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{
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if (_showEndOfLine != value)
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{
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_showEndOfLine = value;
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OnPropertyChanged(nameof(ShowEndOfLine));
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}
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}
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}
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private string _endOfLineCRLFGlyph = "¶";
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/// <summary>
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/// Gets/Sets the char to show for CRLF (\r\n) when ShowEndOfLine option is enabled
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/// </summary>
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/// <remarks>The default value is <c>¶</c>.</remarks>
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[DefaultValue("¶")]
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internal virtual string EndOfLineCRLFGlyph
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{
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get { return _endOfLineCRLFGlyph; }
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set
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{
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if (_endOfLineCRLFGlyph != value)
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{
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_endOfLineCRLFGlyph = value;
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OnPropertyChanged(nameof(EndOfLineCRLFGlyph));
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}
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}
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}
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private string _endOfLineCRGlyph = "\\r";
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/// <summary>
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/// Gets/Sets the char to show for CR (\r) when ShowEndOfLine option is enabled
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/// </summary>
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/// <remarks>The default value is <c>\r</c>.</remarks>
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[DefaultValue("\\r")]
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internal virtual string EndOfLineCRGlyph
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{
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get { return _endOfLineCRGlyph; }
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set
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{
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if (_endOfLineCRGlyph != value)
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{
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_endOfLineCRGlyph = value;
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OnPropertyChanged(nameof(EndOfLineCRGlyph));
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}
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}
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}
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private string _endOfLineLFGlyph = "\\n";
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/// <summary>
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/// Gets/Sets the char to show for LF (\n) when ShowEndOfLine option is enabled
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/// </summary>
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/// <remarks>The default value is <c>\n</c>.</remarks>
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[DefaultValue("\\n")]
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internal virtual string EndOfLineLFGlyph
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{
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get { return _endOfLineLFGlyph; }
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set
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{
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if (_endOfLineLFGlyph != value)
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{
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_endOfLineLFGlyph = value;
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OnPropertyChanged(nameof(EndOfLineLFGlyph));
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}
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}
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}
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#endregion
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#region EnableHyperlinks
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private bool _enableHyperlinks = true;
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/// <summary>
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/// Gets/Sets whether to enable clickable hyperlinks in the editor.
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/// </summary>
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/// <remarks>The default value is <c>true</c>.</remarks>
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[DefaultValue(true)]
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internal virtual bool EnableHyperlinks
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{
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get { return _enableHyperlinks; }
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set
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{
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if (_enableHyperlinks != value)
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{
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_enableHyperlinks = value;
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OnPropertyChanged(nameof(EnableHyperlinks));
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}
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}
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}
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private bool _enableEmailHyperlinks = true;
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/// <summary>
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/// Gets/Sets whether to enable clickable hyperlinks for e-mail addresses in the editor.
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/// </summary>
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/// <remarks>The default value is <c>true</c>.</remarks>
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[DefaultValue(true)]
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internal virtual bool EnableEmailHyperlinks
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{
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get { return _enableEmailHyperlinks; }
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set
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{
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if (_enableEmailHyperlinks != value)
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{
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_enableEmailHyperlinks = value;
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OnPropertyChanged(nameof(EnableEmailHyperlinks));
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}
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}
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}
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private bool _requireControlModifierForHyperlinkClick = true;
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/// <summary>
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/// Gets/Sets whether the user needs to press Control to click hyperlinks.
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/// The default value is true.
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/// </summary>
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/// <remarks>The default value is <c>true</c>.</remarks>
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[DefaultValue(true)]
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internal virtual bool RequireControlModifierForHyperlinkClick
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{
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get { return _requireControlModifierForHyperlinkClick; }
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set
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{
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if (_requireControlModifierForHyperlinkClick != value)
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{
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_requireControlModifierForHyperlinkClick = value;
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OnPropertyChanged(nameof(RequireControlModifierForHyperlinkClick));
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}
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}
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}
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#endregion
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#region TabSize / IndentationSize / ConvertTabsToSpaces / GetIndentationString
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// I'm using '_' prefixes for the fields here to avoid confusion with the local variables
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// in the methods below.
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// The fields should be accessed only by their property - the fields might not be used
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// if someone overrides the property.
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private int _indentationSize = 4;
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/// <summary>
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/// Gets/Sets the width of one indentation unit.
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/// </summary>
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/// <remarks>The default value is 4.</remarks>
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[DefaultValue(4)]
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internal virtual int IndentationSize
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{
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get => _indentationSize;
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set
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{
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if (value < 1)
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throw new ArgumentOutOfRangeException(nameof(value), value, "value must be positive");
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// sanity check; a too large value might cause a crash internally much later
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// (it only crashed in the hundred thousands for me; but might crash earlier with larger fonts)
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if (value > 1000)
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throw new ArgumentOutOfRangeException(nameof(value), value, "indentation size is too large");
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if (_indentationSize != value)
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{
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_indentationSize = value;
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OnPropertyChanged(nameof(IndentationSize));
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OnPropertyChanged(nameof(IndentationString));
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}
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}
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}
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private bool _convertTabsToSpaces;
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/// <summary>
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/// Gets/Sets whether to use spaces for indentation instead of tabs.
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/// </summary>
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/// <remarks>The default value is <c>false</c>.</remarks>
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[DefaultValue(false)]
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internal virtual bool ConvertTabsToSpaces
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{
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get { return _convertTabsToSpaces; }
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set
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{
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if (_convertTabsToSpaces != value)
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{
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_convertTabsToSpaces = value;
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OnPropertyChanged(nameof(ConvertTabsToSpaces));
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OnPropertyChanged(nameof(IndentationString));
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}
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}
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}
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/// <summary>
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/// Gets the text used for indentation.
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/// </summary>
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1721:PropertyNamesShouldNotMatchGetMethods")]
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internal string IndentationString => GetIndentationString(1);
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/// <summary>
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/// Gets text required to indent from the specified <paramref name="column"/> to the next indentation level.
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/// </summary>
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internal virtual string GetIndentationString(int column)
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{
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if (column < 1)
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throw new ArgumentOutOfRangeException(nameof(column), column, "Value must be at least 1.");
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int indentationSize = IndentationSize;
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if (ConvertTabsToSpaces)
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{
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return new string(' ', indentationSize - ((column - 1) % indentationSize));
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}
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else
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{
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return "\t";
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}
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}
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#endregion
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private bool _cutCopyWholeLine = true;
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/// <summary>
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/// Gets/Sets whether copying without a selection copies the whole current line.
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/// </summary>
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[DefaultValue(true)]
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internal virtual bool CutCopyWholeLine
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{
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get { return _cutCopyWholeLine; }
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set
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{
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if (_cutCopyWholeLine != value)
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{
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_cutCopyWholeLine = value;
|
||
|
|
OnPropertyChanged(nameof(CutCopyWholeLine));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _allowScrollBelowDocument = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets whether the user can scroll below the bottom of the document.
|
||
|
|
/// The default value is true; but it a good idea to set this property to true when using folding.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal virtual bool AllowScrollBelowDocument
|
||
|
|
{
|
||
|
|
get { return _allowScrollBelowDocument; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_allowScrollBelowDocument != value)
|
||
|
|
{
|
||
|
|
_allowScrollBelowDocument = value;
|
||
|
|
OnPropertyChanged(nameof(AllowScrollBelowDocument));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private double _wordWrapIndentation;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets the indentation used for all lines except the first when word-wrapping.
|
||
|
|
/// The default value is 0.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(0.0)]
|
||
|
|
internal virtual double WordWrapIndentation
|
||
|
|
{
|
||
|
|
get => _wordWrapIndentation;
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (double.IsNaN(value) || double.IsInfinity(value))
|
||
|
|
throw new ArgumentOutOfRangeException(nameof(value), value, "value must not be NaN/infinity");
|
||
|
|
if (value != _wordWrapIndentation)
|
||
|
|
{
|
||
|
|
_wordWrapIndentation = value;
|
||
|
|
OnPropertyChanged(nameof(WordWrapIndentation));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _inheritWordWrapIndentation = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets whether the indentation is inherited from the first line when word-wrapping.
|
||
|
|
/// The default value is true.
|
||
|
|
/// </summary>
|
||
|
|
/// <remarks>When combined with <see cref="WordWrapIndentation"/>, the inherited indentation is added to the word wrap indentation.</remarks>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal virtual bool InheritWordWrapIndentation
|
||
|
|
{
|
||
|
|
get { return _inheritWordWrapIndentation; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (value != _inheritWordWrapIndentation)
|
||
|
|
{
|
||
|
|
_inheritWordWrapIndentation = value;
|
||
|
|
OnPropertyChanged(nameof(InheritWordWrapIndentation));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _enableRectangularSelection = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Enables rectangular selection (press ALT and select a rectangle)
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal bool EnableRectangularSelection
|
||
|
|
{
|
||
|
|
get { return _enableRectangularSelection; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_enableRectangularSelection != value)
|
||
|
|
{
|
||
|
|
_enableRectangularSelection = value;
|
||
|
|
OnPropertyChanged(nameof(EnableRectangularSelection));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _enableTextDragDrop = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Enable dragging text within the text area.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal bool EnableTextDragDrop
|
||
|
|
{
|
||
|
|
get { return _enableTextDragDrop; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_enableTextDragDrop != value)
|
||
|
|
{
|
||
|
|
_enableTextDragDrop = value;
|
||
|
|
OnPropertyChanged(nameof(EnableTextDragDrop));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _enableVirtualSpace;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets whether the user can set the caret behind the line ending
|
||
|
|
/// (into "virtual space").
|
||
|
|
/// Note that virtual space is always used (independent from this setting)
|
||
|
|
/// when doing rectangle selections.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(false)]
|
||
|
|
internal virtual bool EnableVirtualSpace
|
||
|
|
{
|
||
|
|
get { return _enableVirtualSpace; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_enableVirtualSpace != value)
|
||
|
|
{
|
||
|
|
_enableVirtualSpace = value;
|
||
|
|
OnPropertyChanged(nameof(EnableVirtualSpace));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _enableImeSupport = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets whether the support for Input Method Editors (IME)
|
||
|
|
/// for non-alphanumeric scripts (Chinese, Japanese, Korean, ...) is enabled.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal virtual bool EnableImeSupport
|
||
|
|
{
|
||
|
|
get { return _enableImeSupport; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_enableImeSupport != value)
|
||
|
|
{
|
||
|
|
_enableImeSupport = value;
|
||
|
|
OnPropertyChanged(nameof(EnableImeSupport));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _showColumnRulers;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets whether the column rulers should be shown.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(false)]
|
||
|
|
internal virtual bool ShowColumnRulers
|
||
|
|
{
|
||
|
|
get { return _showColumnRulers; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_showColumnRulers != value)
|
||
|
|
{
|
||
|
|
_showColumnRulers = value;
|
||
|
|
OnPropertyChanged(nameof(ShowColumnRulers));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private IEnumerable<int> _columnRulerPositions = new List<int>() { 80 };
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets the positions the column rulers should be shown.
|
||
|
|
/// </summary>
|
||
|
|
internal virtual IEnumerable<int> ColumnRulerPositions
|
||
|
|
{
|
||
|
|
get { return _columnRulerPositions; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_columnRulerPositions != value)
|
||
|
|
{
|
||
|
|
_columnRulerPositions = value;
|
||
|
|
OnPropertyChanged(nameof(ColumnRulerPositions));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _highlightCurrentLine;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets if current line should be shown.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(false)]
|
||
|
|
internal virtual bool HighlightCurrentLine
|
||
|
|
{
|
||
|
|
get { return _highlightCurrentLine; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_highlightCurrentLine != value)
|
||
|
|
{
|
||
|
|
_highlightCurrentLine = value;
|
||
|
|
OnPropertyChanged(nameof(HighlightCurrentLine));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _hideCursorWhileTyping = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets if mouse cursor should be hidden while user is typing.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal bool HideCursorWhileTyping
|
||
|
|
{
|
||
|
|
get { return _hideCursorWhileTyping; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_hideCursorWhileTyping != value)
|
||
|
|
{
|
||
|
|
_hideCursorWhileTyping = value;
|
||
|
|
OnPropertyChanged(nameof(HideCursorWhileTyping));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _allowToggleOverstrikeMode;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets if the user is allowed to enable/disable overstrike mode.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(false)]
|
||
|
|
internal bool AllowToggleOverstrikeMode
|
||
|
|
{
|
||
|
|
get { return _allowToggleOverstrikeMode; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_allowToggleOverstrikeMode != value)
|
||
|
|
{
|
||
|
|
_allowToggleOverstrikeMode = value;
|
||
|
|
OnPropertyChanged(nameof(AllowToggleOverstrikeMode));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool _extendSelectionOnMouseUp = true;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Gets/Sets if the mouse up event should extend the editor selection to the mouse position.
|
||
|
|
/// </summary>
|
||
|
|
[DefaultValue(true)]
|
||
|
|
internal bool ExtendSelectionOnMouseUp
|
||
|
|
{
|
||
|
|
get { return _extendSelectionOnMouseUp; }
|
||
|
|
set
|
||
|
|
{
|
||
|
|
if (_extendSelectionOnMouseUp != value)
|
||
|
|
{
|
||
|
|
_extendSelectionOnMouseUp = value;
|
||
|
|
OnPropertyChanged(nameof(ExtendSelectionOnMouseUp));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|