146eb61623
Phase 4 (bd-1df9) — all 5 acceptance criteria met: - Sync screen with delta ledger (bd-2x2h, bd-y095) - Doctor screen with health checks (bd-2iqk) - Stats screen with document counts (bd-2iqk) - CLI integration: lore tui subcommand (bd-26lp) - CLI integration: lore sync --tui flag (bd-3l56) Phase 5 (bd-3h00) — session persistence + instance lock + text width: - text_width.rs: Unicode-aware measurement, truncation, padding (16 tests) - instance_lock.rs: Advisory PID lock with stale recovery (6 tests) - session.rs: Atomic write + CRC32 checksum + quarantine (9 tests) Closes: bd-26lp, bd-3h00, bd-3l56, bd-1df9, bd-y095
469 lines
16 KiB
Rust
469 lines
16 KiB
Rust
//! Command registry — lookup, indexing, and the canonical command list.
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use std::collections::HashMap;
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use ftui::{KeyCode, Modifiers};
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use crate::message::{InputMode, Screen};
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use super::defs::{CommandDef, KeyCombo, ScreenFilter};
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// ---------------------------------------------------------------------------
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// CommandRegistry
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// ---------------------------------------------------------------------------
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/// Single source of truth for all TUI commands.
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///
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/// Built once at startup via [`build_registry`]. Provides O(1) lookup
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/// by keybinding and per-screen filtering.
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pub struct CommandRegistry {
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pub(crate) commands: Vec<CommandDef>,
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/// Single-key -> command IDs that start with this key.
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by_single_key: HashMap<(KeyCode, Modifiers), Vec<usize>>,
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/// Full sequence -> command index (for two-key combos).
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by_sequence: HashMap<KeyCombo, usize>,
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}
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impl CommandRegistry {
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/// Look up a command by a single key press on a given screen and input mode.
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///
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/// Returns `None` if no matching command is found. For sequence starters
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/// (like 'g'), returns `None` — use [`is_sequence_starter`] to detect
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/// that case.
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#[must_use]
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pub fn lookup_key(
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&self,
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code: &KeyCode,
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modifiers: &Modifiers,
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screen: &Screen,
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mode: &InputMode,
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) -> Option<&CommandDef> {
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let is_text = matches!(mode, InputMode::Text);
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let key = (*code, *modifiers);
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let indices = self.by_single_key.get(&key)?;
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for &idx in indices {
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let cmd = &self.commands[idx];
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if !cmd.available_in.matches(screen) {
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continue;
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}
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if is_text && !cmd.available_in_text_mode {
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continue;
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}
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// Only match Single combos here, not sequence starters.
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if let Some(KeyCombo::Single { .. }) = &cmd.keybinding {
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return Some(cmd);
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}
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}
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None
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}
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/// Complete a two-key sequence.
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///
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/// Called after the first key of a sequence is detected (e.g., after 'g').
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#[must_use]
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pub fn complete_sequence(
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&self,
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first_code: &KeyCode,
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first_modifiers: &Modifiers,
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second_code: &KeyCode,
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second_modifiers: &Modifiers,
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screen: &Screen,
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) -> Option<&CommandDef> {
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let combo = KeyCombo::Sequence {
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first_code: *first_code,
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first_modifiers: *first_modifiers,
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second_code: *second_code,
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second_modifiers: *second_modifiers,
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};
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let &idx = self.by_sequence.get(&combo)?;
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let cmd = &self.commands[idx];
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if cmd.available_in.matches(screen) {
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Some(cmd)
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} else {
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None
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}
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}
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/// Whether a key starts a multi-key sequence (e.g., 'g').
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#[must_use]
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pub fn is_sequence_starter(&self, code: &KeyCode, modifiers: &Modifiers) -> bool {
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self.by_sequence
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.keys()
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.any(|combo| combo.starts_with(code, modifiers))
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}
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/// Commands available for the command palette on a given screen.
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///
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/// Returned sorted by label.
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#[must_use]
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pub fn palette_entries(&self, screen: &Screen) -> Vec<&CommandDef> {
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let mut entries: Vec<&CommandDef> = self
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.commands
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.iter()
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.filter(|c| c.available_in.matches(screen))
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.collect();
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entries.sort_by_key(|c| c.label);
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entries
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}
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/// Commands for the help overlay on a given screen.
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#[must_use]
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pub fn help_entries(&self, screen: &Screen) -> Vec<&CommandDef> {
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self.commands
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.iter()
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.filter(|c| c.available_in.matches(screen))
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.filter(|c| c.keybinding.is_some())
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.collect()
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}
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/// Status bar hints for the current screen.
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#[must_use]
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pub fn status_hints(&self, screen: &Screen) -> Vec<&str> {
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self.commands
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.iter()
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.filter(|c| c.available_in.matches(screen))
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.filter(|c| !c.status_hint.is_empty())
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.map(|c| c.status_hint)
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.collect()
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}
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/// Total number of registered commands.
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#[must_use]
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pub fn len(&self) -> usize {
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self.commands.len()
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}
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/// Whether the registry has no commands.
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#[must_use]
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pub fn is_empty(&self) -> bool {
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self.commands.is_empty()
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}
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}
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// ---------------------------------------------------------------------------
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// build_registry
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// ---------------------------------------------------------------------------
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/// Build the command registry with all TUI commands.
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///
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/// This is the single source of truth — every keybinding, help text,
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/// and palette entry originates here.
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#[must_use]
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pub fn build_registry() -> CommandRegistry {
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let commands = vec![
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// --- Global commands ---
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CommandDef {
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id: "quit",
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label: "Quit",
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keybinding: Some(KeyCombo::key(KeyCode::Char('q'))),
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cli_equivalent: None,
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help_text: "Exit the TUI",
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status_hint: "q:quit",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_back",
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label: "Go Back",
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keybinding: Some(KeyCombo::key(KeyCode::Escape)),
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cli_equivalent: None,
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help_text: "Go back to previous screen",
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status_hint: "esc:back",
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available_in: ScreenFilter::Global,
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available_in_text_mode: true,
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},
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CommandDef {
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id: "show_help",
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label: "Help",
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keybinding: Some(KeyCombo::key(KeyCode::Char('?'))),
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cli_equivalent: None,
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help_text: "Show keybinding help overlay",
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status_hint: "?:help",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "command_palette",
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label: "Command Palette",
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keybinding: Some(KeyCombo::ctrl(KeyCode::Char('p'))),
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cli_equivalent: None,
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help_text: "Open command palette",
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status_hint: "C-p:palette",
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available_in: ScreenFilter::Global,
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available_in_text_mode: true,
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},
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CommandDef {
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id: "open_in_browser",
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label: "Open in Browser",
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keybinding: Some(KeyCombo::key(KeyCode::Char('o'))),
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cli_equivalent: None,
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help_text: "Open current entity in browser",
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status_hint: "o:browser",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "show_cli",
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label: "Show CLI Equivalent",
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keybinding: Some(KeyCombo::key(KeyCode::Char('!'))),
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cli_equivalent: None,
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help_text: "Show equivalent lore CLI command",
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status_hint: "",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "toggle_scope",
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label: "Project Scope",
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keybinding: Some(KeyCombo::key(KeyCode::Char('P'))),
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cli_equivalent: None,
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help_text: "Toggle project scope filter",
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status_hint: "P:scope",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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// --- Navigation: g-prefix sequences ---
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CommandDef {
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id: "go_home",
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label: "Go to Dashboard",
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keybinding: Some(KeyCombo::g_then('h')),
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cli_equivalent: None,
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help_text: "Jump to dashboard",
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status_hint: "gh:home",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_issues",
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label: "Go to Issues",
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keybinding: Some(KeyCombo::g_then('i')),
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cli_equivalent: Some("lore issues"),
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help_text: "Jump to issue list",
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status_hint: "gi:issues",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_mrs",
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label: "Go to Merge Requests",
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keybinding: Some(KeyCombo::g_then('m')),
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cli_equivalent: Some("lore mrs"),
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help_text: "Jump to MR list",
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status_hint: "gm:mrs",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_search",
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label: "Go to Search",
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keybinding: Some(KeyCombo::g_then('/')),
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cli_equivalent: Some("lore search"),
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help_text: "Jump to search",
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status_hint: "g/:search",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_timeline",
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label: "Go to Timeline",
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keybinding: Some(KeyCombo::g_then('t')),
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cli_equivalent: Some("lore timeline"),
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help_text: "Jump to timeline",
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status_hint: "gt:timeline",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_who",
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label: "Go to Who",
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keybinding: Some(KeyCombo::g_then('w')),
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cli_equivalent: Some("lore who"),
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help_text: "Jump to people intelligence",
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status_hint: "gw:who",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_sync",
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label: "Go to Sync",
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keybinding: Some(KeyCombo::g_then('s')),
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cli_equivalent: Some("lore sync"),
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help_text: "Jump to sync status",
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status_hint: "gs:sync",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_file_history",
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label: "Go to File History",
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keybinding: Some(KeyCombo::g_then('f')),
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cli_equivalent: Some("lore file-history"),
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help_text: "Jump to file history",
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status_hint: "gf:files",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_trace",
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label: "Go to Trace",
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keybinding: Some(KeyCombo::g_then('r')),
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cli_equivalent: Some("lore trace"),
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help_text: "Jump to trace",
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status_hint: "gr:trace",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_doctor",
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label: "Go to Doctor",
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keybinding: Some(KeyCombo::g_then('d')),
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cli_equivalent: Some("lore doctor"),
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help_text: "Jump to environment health checks",
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status_hint: "gd:doctor",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "go_stats",
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label: "Go to Stats",
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keybinding: Some(KeyCombo::g_then('x')),
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cli_equivalent: Some("lore stats"),
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help_text: "Jump to database statistics",
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status_hint: "gx:stats",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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// --- Vim-style jump list ---
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CommandDef {
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id: "jump_back",
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label: "Jump Back",
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keybinding: Some(KeyCombo::ctrl(KeyCode::Char('o'))),
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cli_equivalent: None,
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help_text: "Jump backward through visited detail views",
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status_hint: "C-o:jump back",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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CommandDef {
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id: "jump_forward",
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label: "Jump Forward",
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keybinding: Some(KeyCombo::ctrl(KeyCode::Char('i'))),
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cli_equivalent: None,
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help_text: "Jump forward through visited detail views",
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status_hint: "",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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// --- List navigation ---
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CommandDef {
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id: "move_down",
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label: "Move Down",
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keybinding: Some(KeyCombo::key(KeyCode::Char('j'))),
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cli_equivalent: None,
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help_text: "Move cursor down",
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status_hint: "j:down",
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available_in: ScreenFilter::Only(vec![
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Screen::IssueList,
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Screen::MrList,
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Screen::Search,
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Screen::Timeline,
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]),
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available_in_text_mode: false,
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},
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CommandDef {
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id: "move_up",
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label: "Move Up",
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keybinding: Some(KeyCombo::key(KeyCode::Char('k'))),
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cli_equivalent: None,
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help_text: "Move cursor up",
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status_hint: "k:up",
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available_in: ScreenFilter::Only(vec![
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Screen::IssueList,
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Screen::MrList,
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Screen::Search,
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Screen::Timeline,
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]),
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available_in_text_mode: false,
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},
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CommandDef {
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id: "select_item",
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label: "Select",
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keybinding: Some(KeyCombo::key(KeyCode::Enter)),
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cli_equivalent: None,
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help_text: "Open selected item",
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status_hint: "enter:open",
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available_in: ScreenFilter::Only(vec![
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Screen::IssueList,
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Screen::MrList,
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Screen::Search,
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]),
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available_in_text_mode: false,
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},
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// --- Filter ---
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CommandDef {
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id: "focus_filter",
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label: "Filter",
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keybinding: Some(KeyCombo::key(KeyCode::Char('/'))),
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cli_equivalent: None,
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help_text: "Focus the filter input",
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status_hint: "/:filter",
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available_in: ScreenFilter::Only(vec![Screen::IssueList, Screen::MrList]),
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available_in_text_mode: false,
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},
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// --- Scroll ---
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CommandDef {
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id: "scroll_to_top",
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label: "Scroll to Top",
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keybinding: Some(KeyCombo::g_then('g')),
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cli_equivalent: None,
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help_text: "Scroll to the top of the current view",
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status_hint: "",
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available_in: ScreenFilter::Global,
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available_in_text_mode: false,
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},
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];
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build_from_defs(commands)
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}
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/// Build index maps from a list of command definitions.
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fn build_from_defs(commands: Vec<CommandDef>) -> CommandRegistry {
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let mut by_single_key: HashMap<(KeyCode, Modifiers), Vec<usize>> = HashMap::new();
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let mut by_sequence: HashMap<KeyCombo, usize> = HashMap::new();
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for (idx, cmd) in commands.iter().enumerate() {
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if let Some(combo) = &cmd.keybinding {
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match combo {
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KeyCombo::Single { code, modifiers } => {
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by_single_key
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.entry((*code, *modifiers))
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.or_default()
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.push(idx);
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}
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KeyCombo::Sequence { .. } => {
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by_sequence.insert(combo.clone(), idx);
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// Also index the first key so is_sequence_starter works via by_single_key.
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if let KeyCombo::Sequence {
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first_code,
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first_modifiers,
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..
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} = combo
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{
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by_single_key
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.entry((*first_code, *first_modifiers))
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.or_default()
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.push(idx);
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}
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}
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}
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}
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}
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CommandRegistry {
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commands,
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by_single_key,
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by_sequence,
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}
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}
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