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Improve TextViewerPanel UI and usability

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Enabled touch gesture support, disabled automatic hyperlink detection, and visually hid the line number separator. Added context menu items for copy and select all, installed a custom element generator for long lines, and integrated the search panel for enhanced text navigation.
This commit is contained in:
ema
2025-11-17 02:55:24 +08:00
parent 9bcf9905d5
commit 9ebc030f8b
1 changed files with 21 additions and 0 deletions
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21
QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
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@@ -17,6 +17,7 @@
using ICSharpCode.AvalonEdit;
using ICSharpCode.AvalonEdit.Document;
using ICSharpCode.AvalonEdit.Editing;
using ICSharpCode.AvalonEdit.Rendering;
using ICSharpCode.AvalonEdit.Search;
using QuickLook.Common.Helpers;
@@ -27,6 +28,7 @@ using QuickLook.Plugin.TextViewer.Themes.HighlightingDefinitions;
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using System.Windows;
@@ -68,16 +70,33 @@ public partial class TextViewerPanel : TextEditor, IDisposable
ShowLineNumbers = true;
WordWrap = true;
IsReadOnly = true;
// Enable manipulation events (touch gestures like pan/scroll).
IsManipulationEnabled = true;
// Disable automatic hyperlink detection for email addresses.
Options.EnableEmailHyperlinks = false;
// Disable automatic hyperlink detection for general URLs.
Options.EnableHyperlinks = false;
// Search for the separator line inside the left margins of the TextArea.
// The default LineNumberMargin in AvalonEdit often contains a thin Line element
// used as a visual separator between line numbers and the text.
// If found, set its Stroke to Transparent to hide the separator visually.
TextArea.LeftMargins
.OfType<System.Windows.Shapes.Line>()
.FirstOrDefault()
?.Stroke = Brushes.Transparent;
ContextMenu = new ContextMenu();
// Add "Copy" menu item.
ContextMenu.Items.Add(new MenuItem
{
Header = TranslationHelper.Get("Editor_Copy", domain: Assembly.GetExecutingAssembly().GetName().Name),
Command = ApplicationCommands.Copy
});
// Add "Select All" menu item.
ContextMenu.Items.Add(new MenuItem
{
Header = TranslationHelper.Get("Editor_SelectAll",
@@ -95,8 +114,10 @@ public partial class TextViewerPanel : TextEditor, IDisposable
FontFamily = new FontFamily(TranslationHelper.Get("Editor_FontFamily",
domain: Assembly.GetExecutingAssembly().GetName().Name));
// Add a custom element generator (e.g., to truncate extremely long lines).
TextArea.TextView.ElementGenerators.Add(new TruncateLongLines());
// Install the search panel (Ctrl+F style search UI).
SearchPanel.Install(this);
}