Ichimura Tomoo
6b90aaa1bd
## Context / Related PRs This PR is the third part of the encoding support improvements, following: - #44819: Introduced initial legacy encoding support (Shift-JIS, etc.). - #45243: Fixed UTF-16 saving behavior and improved binary detection. ## Summary This PR implements a status bar item that displays the character encoding of the active buffer (e.g., `UTF-8`, `Shift_JIS`). It provides visibility into the file's encoding and indicates the presence of a Byte Order Mark (BOM). ## Features - **Encoding Indicator**: Displays the encoding name in the status bar. - **BOM Support**: Appends `(BOM)` to the encoding name if a BOM is detected (e.g., `UTF-8 (BOM)`). - **Configuration**: The active_encoding_button setting in status_bar accepts "enabled", "disabled", or "non_utf8". The default is "non_utf8", which displays the indicator for all encodings except standard UTF-8 (without BOM). - **Settings UI**: Provides a dropdown menu in the Settings UI to control this behavior. - **Documentation**: Updated `configuring-zed.md` and `visual-customization.md`. ## Implementation Details - Created `ActiveBufferEncoding` component in `crates/encoding_selector`. - The click handler for the button is currently a **no-op**. Implementing the functionality to reopen files with a specific encoding has potential implications for real-time collaboration (e.g., syncing buffer interpretation across peers). Therefore, this PR focuses strictly on the visualization and configuration aspects to keep the scope simple and focused. - Updated schema and default settings to include `active_encoding_button`. ## Screenshots <img width="487" height="104" alt="image" src="https://github.com/user-attachments/assets/041f096d-ac69-4bad-ac53-20cdcb41f733" /> <img width="454" height="99" alt="image" src="https://github.com/user-attachments/assets/ed76daa2-2733-484f-bb1f-4688357c035a" /> ## Configuration To hide the button, add the following to `settings.json`: ```json "status_bar": { "active_encoding_button": "disabled" } ``` - **enabled**: Always show the encoding. - **disabled**: Never show the encoding. - **non_utf8**: Shows for non-UTF-8 encodings and UTF-8 with BOM. Only hides for standard UTF-8 (Default). <img width="1347" height="415" alt="image" src="https://github.com/user-attachments/assets/7f4f4938-3320-4d21-852c-53ee886d9a44" /> ## Heuristic Limitations: The underlying detection logic (implemented in #44819 and #45243) prioritizes UTF-8 opening performance and does not guarantee perfect detection for all encodings. We consider this margin of error acceptable, similar to the behavior seen in VS Code. A future "Reopen with Encoding" feature would serve as the primary fallback for any misdetections. Release Notes: - Added a status bar item to display the active file's character encoding (e.g. `UTF-16`). This shows for non-utf8 files by default and can be configured with `{"status_bar":{"active_encoding_button":"disabled|enabled|non_utf8"}}`
Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
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