diff options
| -rw-r--r-- | helix-term/src/commands.rs | 66 | ||||
| -rw-r--r-- | helix-term/src/keymap.rs | 77 | ||||
| -rw-r--r-- | helix-term/src/ui/editor.rs | 2 |
3 files changed, 142 insertions, 3 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index c07f44dc..bb74f9ec 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -44,7 +44,7 @@ use movement::Movement; use crate::{ args, compositor::{self, Component, Compositor}, - ui::{self, overlay::overlayed, FilePicker, Popup, Prompt, PromptEvent}, + ui::{self, overlay::overlayed, FilePicker, Picker, Popup, Prompt, PromptEvent}, }; use crate::job::{self, Job, Jobs}; @@ -430,6 +430,7 @@ impl MappableCommand { decrement, "Decrement", record_macro, "Record macro", replay_macro, "Replay macro", + command_palette, "Open command pallete", ); } @@ -3692,6 +3693,69 @@ pub fn code_action(cx: &mut Context) { ) } +pub fn command_palette(cx: &mut Context) { + cx.callback = Some(Box::new( + move |compositor: &mut Compositor, cx: &mut compositor::Context| { + let doc = doc_mut!(cx.editor); + let keymap = + compositor.find::<ui::EditorView>().unwrap().keymaps[&doc.mode].reverse_map(); + + let mut commands: Vec<MappableCommand> = MappableCommand::STATIC_COMMAND_LIST.into(); + commands.extend( + cmd::TYPABLE_COMMAND_LIST + .iter() + .map(|cmd| MappableCommand::Typable { + name: cmd.name.to_owned(), + doc: cmd.doc.to_owned(), + args: Vec::new(), + }), + ); + + // formats key bindings, multiple bindings are comma separated, + // individual key presses are joined with `+` + let fmt_binding = |bindings: &Vec<Vec<KeyEvent>>| -> String { + bindings + .iter() + .map(|bind| { + bind.iter() + .map(|key| key.to_string()) + .collect::<Vec<String>>() + .join("+") + }) + .collect::<Vec<String>>() + .join(", ") + }; + + let picker = Picker::new( + commands, + move |command| match command { + MappableCommand::Typable { doc, name, .. } => match keymap.get(name as &String) + { + Some(bindings) => format!("{} ({})", doc, fmt_binding(bindings)).into(), + None => doc.into(), + }, + MappableCommand::Static { doc, name, .. } => match keymap.get(*name) { + Some(bindings) => format!("{} ({})", doc, fmt_binding(bindings)).into(), + None => (*doc).into(), + }, + }, + move |cx, command, _action| { + let mut ctx = Context { + register: None, + count: std::num::NonZeroUsize::new(1), + editor: cx.editor, + callback: None, + on_next_key_callback: None, + jobs: cx.jobs, + }; + command.execute(&mut ctx); + }, + ); + compositor.push(Box::new(picker)); + }, + )); +} + pub fn execute_lsp_command(editor: &mut Editor, cmd: lsp::Command) { let doc = doc!(editor); let language_server = match doc.language_server() { diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index f414f797..0147f58e 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -343,13 +343,46 @@ pub struct Keymap { impl Keymap { pub fn new(root: KeyTrie) -> Self { - Self { + Keymap { root, state: Vec::new(), sticky: None, } } + pub fn reverse_map(&self) -> HashMap<String, Vec<Vec<KeyEvent>>> { + // recursively visit all nodes in keymap + fn map_node( + cmd_map: &mut HashMap<String, Vec<Vec<KeyEvent>>>, + node: &KeyTrie, + keys: &mut Vec<KeyEvent>, + ) { + match node { + KeyTrie::Leaf(cmd) => match cmd { + MappableCommand::Typable { name, .. } => { + cmd_map.entry(name.into()).or_default().push(keys.clone()) + } + MappableCommand::Static { name, .. } => cmd_map + .entry(name.to_string()) + .or_default() + .push(keys.clone()), + }, + KeyTrie::Node(next) => { + for (key, trie) in &next.map { + keys.push(*key); + map_node(cmd_map, trie, keys); + keys.pop(); + } + } + KeyTrie::Sequence(_) => {} + }; + } + + let mut res = HashMap::new(); + map_node(&mut res, &self.root, &mut Vec::new()); + res + } + pub fn root(&self) -> &KeyTrie { &self.root } @@ -706,6 +739,7 @@ impl Default for Keymaps { "/" => global_search, "k" => hover, "r" => rename_symbol, + "?" => command_palette, }, "z" => { "View" "z" | "c" => align_view_center, @@ -958,4 +992,45 @@ mod tests { "Mismatch for view mode on `z` and `Z`" ); } + + #[test] + fn reverse_map() { + let normal_mode = keymap!({ "Normal mode" + "i" => insert_mode, + "g" => { "Goto" + "g" => goto_file_start, + "e" => goto_file_end, + }, + "j" | "k" => move_line_down, + }); + let keymap = Keymap::new(normal_mode); + let mut reverse_map = keymap.reverse_map(); + + // sort keybindings in order to have consistent tests + // HashMaps can be compared but we can still get different ordering of bindings + // for commands that have multiple bindings assigned + for v in reverse_map.values_mut() { + v.sort() + } + + assert_eq!( + reverse_map, + HashMap::from([ + ("insert_mode".to_string(), vec![vec![key!('i')]]), + ( + "goto_file_start".to_string(), + vec![vec![key!('g'), key!('g')]] + ), + ( + "goto_file_end".to_string(), + vec![vec![key!('g'), key!('e')]] + ), + ( + "move_line_down".to_string(), + vec![vec![key!('j')], vec![key!('k')]] + ), + ]), + "Mistmatch" + ) + } } diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index a2131abe..fc749ebb 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -31,7 +31,7 @@ use crossterm::event::{Event, MouseButton, MouseEvent, MouseEventKind}; use tui::buffer::Buffer as Surface; pub struct EditorView { - keymaps: Keymaps, + pub keymaps: Keymaps, on_next_key: Option<Box<dyn FnOnce(&mut commands::Context, KeyEvent)>>, last_insert: (commands::MappableCommand, Vec<KeyEvent>), pub(crate) completion: Option<Completion>, |