Source View: add a context menu for the advanced text editor#12550
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Jul 17, 2026
Add the syntax highlighting text box entries and the missing Source View context menu entry (SubtitleEdit#12550), set the release date. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Summary
Adds a Cut, Copy, and Paste context menu to Source View when it uses AvaloniaEdit's advanced text editor.
Background
For source text up to 2,000,000 characters, Source View uses AvaloniaEdit's
TextEditor, which does not provide a default context menu. As a result, right-clicking the source text did not expose the standard clipboard actions.Implementation
A
MenuFlyoutwith Cut, Copy, and Paste actions is added only when Source View uses AvaloniaEdit'sTextEditor.The large-file
TextBoxpath is left unchanged to retain its built-in context menu. The macOS context-flyout helper is attached to the advanced editor for Ctrl+Click support.Screenshot
2026-07-17.mp4
Testing
Tested on Windows 11 x64 (local build).