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Diffstat (limited to 'docs/TEXTUAL_NOTES.md')
| -rw-r--r-- | docs/TEXTUAL_NOTES.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/TEXTUAL_NOTES.md b/docs/TEXTUAL_NOTES.md index c8b265c..9970416 100644 --- a/docs/TEXTUAL_NOTES.md +++ b/docs/TEXTUAL_NOTES.md @@ -45,6 +45,14 @@ Hard-won Textual behaviour and the patterns this app relies on. Pairs with the Footer (see `#search`/`#rename`/`#status`). - Textual ships **no C/C++ tree-sitter grammar** — `TextArea(language="cpp")` is a silent no-op. We highlight pseudocode with Pygments (`idatui/highlight.py`). + For the **editable** C in the struct editor, `highlight.CTextArea` overrides + `TextArea._build_highlight_map()` and fills the widget's own `_highlights` + map from the same lexer — the hook the tree-sitter path would fill, so the + line cache, selection and cursor stay stock. Two traps: those spans are + **byte** offsets into the line (the renderer decodes them with + `build_byte_to_codepoint_dict`, so character offsets smear on non-ASCII), and + a `TextAreaTheme` that sets `base_style` overrides the widget's CSS colours — + ours sets only `syntax_styles` so the editor keeps the app's background. - **A modal's `Input` messages bubble to the App.** `SymbolPalette` (the Ctrl+N fuzzy finder) has its own `Input`; its `Input.Changed`/`Input.Submitted` bubble up to the app's handlers (which would run the `#search`/`#func-filter` logic and |