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feat(editor): add v0.5 file palette (Cmd-P) with fuzzy match

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Cmd-P opens a modal transient palette over the writing column: a bare
fuzzy-search input, the ranked file list, and the selected row in reverse
video. A pure host-testable fuzzy_score (subsequence + word-boundary and
consecutive-run bonuses) ranks results; an in-core MRU floats recently
opened files first and is shared with :e (both route through open_path).
The host feeds the file list once at boot (enumerate_files over /sd/repo
and /sd/local). Ctrl-n/Ctrl-p navigate the list; Enter opens via the same
park/evict path as :e; Esc closes.

Ctrl-n/Ctrl-p also become down/up line motions in Normal and View (vim
CTRL-N/CTRL-P, count-aware), which is why the palette opener is Cmd-P
alone. No `>` prefix on the file input — `>` is reserved for the command
palette (slice 4).

112 editor + 28 keymap tests; the no-git firmware binary builds clean.
This commit is contained in:
Julien Calixte
2026-07-12 00:11:33 +02:00
parent 2215da939d
commit e967773bd6
5 changed files with 648 additions and 18 deletions
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21
keymap/src/lib.rs
View File

@@ -37,6 +37,16 @@ pub enum Key {
/// Ctrl+R — redo (vim `Ctrl-r`); the inverse of `u`. Meaningful in Normal;
/// ignored elsewhere.
Redo,
/// Cmd+P — open the file palette (fuzzy open, v0.5), VS Code "Go to File"
/// style. A Normal-mode gesture; **inside** the palette the same chord closes
/// it (toggle). Esc also closes. Ignored in Insert.
Palette,
/// Ctrl+N — move down: one line in Normal/View (vim `CTRL-N` ≡ `j`), or one
/// row in the file palette. Ignored in Insert.
Down,
/// Ctrl+P — move up: one line in Normal/View (vim `CTRL-P` ≡ `k`), or one row
/// in the file palette. Ignored in Insert.
Up,
/// Caps Lock tapped on its own. A no-op for now; groundwork for a future
/// vim-style normal mode.
Escape,
@@ -150,6 +160,9 @@ fn translate(usage: u8, shift: bool, ctrl: bool, cmd: bool) -> Option<Key> {
0x07 if ctrl => return Some(Key::HalfPageDown), // Ctrl+D, half-page down
0x18 if ctrl => return Some(Key::HalfPageUp), // Ctrl+U, half-page up
0x15 if ctrl => return Some(Key::Redo), // Ctrl+R, redo
0x13 if ctrl => return Some(Key::Up), // Ctrl+P, move up (vim CTRL-P)
0x13 if cmd => return Some(Key::Palette), // Cmd+P, file palette
0x11 if ctrl => return Some(Key::Down), // Ctrl+N, move down (vim CTRL-N)
_ => {}
}
@@ -394,8 +407,14 @@ mod tests {
assert_eq!(translate(0x07, false, true, false), Some(Key::HalfPageDown)); // Ctrl+D
assert_eq!(translate(0x18, false, true, false), Some(Key::HalfPageUp)); // Ctrl+U
assert_eq!(translate(0x15, false, true, false), Some(Key::Redo)); // Ctrl+R
// Without Ctrl these are ordinary letters, not intents.
assert_eq!(translate(0x13, false, true, false), Some(Key::Up)); // Ctrl+P, up
assert_eq!(translate(0x13, false, false, true), Some(Key::Palette)); // Cmd+P, palette
assert_eq!(translate(0x11, false, true, false), Some(Key::Down)); // Ctrl+N, down
assert_eq!(translate(0x11, false, false, true), None); // Cmd+N reserved (:enew, v0.5)
// Without a modifier these are ordinary letters, not intents.
assert_eq!(translate(0x15, false, false, false), Some(Key::Char('r')));
assert_eq!(translate(0x13, false, false, false), Some(Key::Char('p')));
assert_eq!(translate(0x11, false, false, false), Some(Key::Char('n')));
}
#[test]