d2953a2b57
Resolves https://github.com/zed-industries/zed/issues/56138 This diff hides terminal agent actions from context menus shown by embedded terminal views, such as terminal tool output in agent threads. Those surfaces render through `TerminalView`, but they are not normal interactive terminal panes, and actions like Inline Assist and Add to Agent Thread do not currently resolve the embedded terminal as their target. Previously, choosing Inline Assist from terminal tool output could target the workspace’s active editor instead of the terminal output. The context menu now limits these agent actions to non-embedded terminal views, so regular terminal panes keep their existing behavior while terminal tool output no longer offers actions that cannot resolve to it. Add to Agent Thread _could_ make sense for embedded terminal selections in the future, but it would need explicit target-resolution support for focused embedded terminals. This change keeps that as separate follow-up work instead of leaving a misleading menu item that does not reliably act on the selected tool output. Release Notes: - Fixed embedded terminal context menus showing agent actions that could target the wrong item. |
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Design notes:
This crate is split into two conceptual halves:
- The terminal.rs file and the src/mappings/ folder, these contain the code for interacting with Alacritty and maintaining the pty event loop. Some behavior in this file is constrained by terminal protocols and standards. The Zed init function is also placed here.
- Everything else. These other files integrate the
Terminalstruct created in terminal.rs into the rest of GPUI. The main entry point for GPUI is the terminal_view.rs file and the modal.rs file.
ttys are created externally, and so can fail in unexpected ways. However, GPUI currently does not have an API for models than can fail to instantiate. TerminalBuilder solves this by using Rust's type system to split tty instantiation into a 2 step process: first attempt to create the file handles with TerminalBuilder::new(), check the result, then call TerminalBuilder::subscribe(cx) from within a model context.
The TerminalView struct abstracts over failed and successful terminals, passing focus through to the associated view and allowing clients to build a terminal without worrying about errors.
#Input
There are currently many distinct paths for getting keystrokes to the terminal:
-
Terminal specific characters and bindings. Things like ctrl-a mapping to ASCII control character 1, ANSI escape codes associated with the function keys, etc. These are caught with a raw key-down handler in the element and are processed immediately. This is done with the
try_keystroke()method on Terminal -
GPU Action handlers. GPUI clobbers a few vital keys by adding bindings to them in the global context. These keys are synthesized and then dispatched through the same
try_keystroke()API as the above mappings -
IME text. When the special character mappings fail, we pass the keystroke back to GPUI to hand it to the IME system. This comes back to us in the
View::replace_text_in_range()method, and we then send that to the terminal directly, bypassingtry_keystroke(). -
Pasted text has a separate pathway.
Generally, there's a distinction between 'keystrokes that need to be mapped' and 'strings which need to be written'. I've attempted to unify these under the '.try_keystroke()' API and the .input() API (which try_keystroke uses) so we have consistent input handling across the terminal