mod completion; mod document; pub(crate) mod editor; mod info; pub mod lsp; mod markdown; pub mod menu; pub mod overlay; pub mod picker; pub mod popup; mod prompt; mod spinner; mod statusline; mod text; use crate::compositor::{Component, Compositor}; use crate::filter_picker_entry; use crate::job::{self, Callback}; pub use completion::{Completion, CompletionItem}; pub use editor::EditorView; pub use markdown::Markdown; pub use menu::Menu; pub use picker::{DynamicPicker, FileLocation, Picker}; pub use popup::Popup; pub use prompt::{Prompt, PromptEvent}; pub use spinner::{ProgressSpinners, Spinner}; pub use text::Text; use helix_core::regex::Regex; use helix_core::regex::RegexBuilder; use helix_view::Editor; use std::path::PathBuf; pub fn prompt( cx: &mut crate::commands::Context, prompt: std::borrow::Cow<'static, str>, history_register: Option, completion_fn: impl FnMut(&Editor, &str) -> Vec + 'static, callback_fn: impl FnMut(&mut crate::compositor::Context, &str, PromptEvent) + 'static, ) { let mut prompt = Prompt::new(prompt, history_register, completion_fn, callback_fn); // Calculate the initial completion prompt.recalculate_completion(cx.editor); cx.push_layer(Box::new(prompt)); } pub fn prompt_with_input( cx: &mut crate::commands::Context, prompt: std::borrow::Cow<'static, str>, input: String, history_register: Option, completion_fn: impl FnMut(&Editor, &str) -> Vec + 'static, callback_fn: impl FnMut(&mut crate::compositor::Context, &str, PromptEvent) + 'static, ) { let prompt = Prompt::new(prompt, history_register, completion_fn, callback_fn) .with_line(input, cx.editor); cx.push_layer(Box::new(prompt)); } pub fn regex_prompt( cx: &mut crate::commands::Context, prompt: std::borrow::Cow<'static, str>, history_register: Option, completion_fn: impl FnMut(&Editor, &str) -> Vec + 'static, fun: impl Fn(&mut crate::compositor::Context, Regex, PromptEvent) + 'static, ) { let (view, doc) = current!(cx.editor); let doc_id = view.doc; let snapshot = doc.selection(view.id).clone(); let offset_snapshot = view.offset; let config = cx.editor.config(); let mut prompt = Prompt::new( prompt, history_register, completion_fn, move |cx: &mut crate::compositor::Context, input: &str, event: PromptEvent| { match event { PromptEvent::Abort => { let (view, doc) = current!(cx.editor); doc.set_selection(view.id, snapshot.clone()); view.offset = offset_snapshot; } PromptEvent::Update | PromptEvent::Validate => { // skip empty input if input.is_empty() { return; } let case_insensitive = if config.search.smart_case { !input.chars().any(char::is_uppercase) } else { false }; match RegexBuilder::new(input) .case_insensitive(case_insensitive) .multi_line(true) .build() { Ok(regex) => { let (view, doc) = current!(cx.editor); // revert state to what it was before the last update doc.set_selection(view.id, snapshot.clone()); if event == PromptEvent::Validate { // Equivalent to push_jump to store selection just before jump view.jumps.push((doc_id, snapshot.clone())); } fun(cx, regex, event); let (view, doc) = current!(cx.editor); view.ensure_cursor_in_view(doc, config.scrolloff); } Err(err) => { let (view, doc) = current!(cx.editor); doc.set_selection(view.id, snapshot.clone()); view.offset = offset_snapshot; if event == PromptEvent::Validate { let callback = async move { let call: job::Callback = Callback::EditorCompositor(Box::new( move |_editor: &mut Editor, compositor: &mut Compositor| { let contents = Text::new(format!("{}", err)); let size = compositor.size(); let mut popup = Popup::new("invalid-regex", contents) .position(Some(helix_core::Position::new( size.height as usize - 2, // 2 = statusline + commandline 0, ))) .auto_close(true); popup.required_size((size.width, size.height)); compositor.replace_or_push("invalid-regex", popup); }, )); Ok(call) }; cx.jobs.callback(callback); } } } } } }, ) .with_language("regex", std::sync::Arc::clone(&cx.editor.syn_loader)); // Calculate initial completion prompt.recalculate_completion(cx.editor); // prompt cx.push_layer(Box::new(prompt)); } pub fn file_picker(root: PathBuf, config: &helix_view::editor::Config) -> Picker { use ignore::{types::TypesBuilder, WalkBuilder}; use std::time::Instant; let now = Instant::now(); let dedup_symlinks = config.file_picker.deduplicate_links; let absolute_root = root.canonicalize().unwrap_or_else(|_| root.clone()); let mut walk_builder = WalkBuilder::new(&root); walk_builder .hidden(config.file_picker.hidden) .parents(config.file_picker.parents) .ignore(config.file_picker.ignore) .follow_links(config.file_picker.follow_symlinks) .git_ignore(config.file_picker.git_ignore) .git_global(config.file_picker.git_global) .git_exclude(config.file_picker.git_exclude) .sort_by_file_name(|name1, name2| name1.cmp(name2)) .max_depth(config.file_picker.max_depth) .filter_entry(move |entry| filter_picker_entry(entry, &absolute_root, dedup_symlinks)); walk_builder.add_custom_ignore_filename(helix_loader::config_dir().join("ignore")); walk_builder.add_custom_ignore_filename(".helix/ignore"); // We want to exclude files that the editor can't handle yet let mut type_builder = TypesBuilder::new(); type_builder .add( "compressed", "*.{zip,gz,bz2,zst,lzo,sz,tgz,tbz2,lz,lz4,lzma,lzo,z,Z,xz,7z,rar,cab}", ) .expect("Invalid type definition"); type_builder.negate("all"); let excluded_types = type_builder .build() .expect("failed to build excluded_types"); walk_builder.types(excluded_types); let mut files = walk_builder.build().filter_map(|entry| { let entry = entry.ok()?; if !entry.file_type()?.is_file() { return None; } Some(entry.into_path()) }); log::debug!("file_picker init {:?}", Instant::now().duration_since(now)); let picker = Picker::new(Vec::new(), root, move |cx, path: &PathBuf, action| { if let Err(e) = cx.editor.open(path, action) { let err = if let Some(err) = e.source() { format!("{}", err) } else { format!("unable to open \"{}\"", path.display()) }; cx.editor.set_error(err); } }) .with_preview(|_editor, path| Some((path.clone().into(), None))); let injector = picker.injector(); let timeout = std::time::Instant::now() + std::time::Duration::from_millis(30); let mut hit_timeout = false; for file in &mut files { if injector.push(file).is_err() { break; } if std::time::Instant::now() >= timeout { hit_timeout = true; break; } } if hit_timeout { std::thread::spawn(move || { for file in files { if injector.push(file).is_err() { break; } } }); } picker } pub mod completers { use crate::ui::prompt::Completion; use helix_core::fuzzy::fuzzy_match; use helix_core::syntax::LanguageServerFeature; use helix_view::document::SCRATCH_BUFFER_NAME; use helix_view::theme; use helix_view::{editor::Config, Editor}; use once_cell::sync::Lazy; use std::borrow::Cow; pub type Completer = fn(&Editor, &str) -> Vec; pub fn none(_editor: &Editor, _input: &str) -> Vec { Vec::new() } pub fn buffer(editor: &Editor, input: &str) -> Vec { let names = editor.documents.values().map(|doc| { doc.relative_path() .map(|p| p.display().to_string().into()) .unwrap_or_else(|| Cow::from(SCRATCH_BUFFER_NAME)) }); fuzzy_match(input, names, true) .into_iter() .map(|(name, _)| ((0..), name)) .collect() } pub fn theme(_editor: &Editor, input: &str) -> Vec { let mut names = theme::Loader::read_names(&helix_loader::config_dir().join("themes")); for rt_dir in helix_loader::runtime_dirs() { names.extend(theme::Loader::read_names(&rt_dir.join("themes"))); } names.push("default".into()); names.push("base16_default".into()); names.sort(); names.dedup(); fuzzy_match(input, names, false) .into_iter() .map(|(name, _)| ((0..), name.into())) .collect() } /// Recursive function to get all keys from this value and add them to vec fn get_keys(value: &serde_json::Value, vec: &mut Vec, scope: Option<&str>) { if let Some(map) = value.as_object() { for (key, value) in map.iter() { let key = match scope { Some(scope) => format!("{}.{}", scope, key), None => key.clone(), }; get_keys(value, vec, Some(&key)); if !value.is_object() { vec.push(key); } } } } pub fn setting(_editor: &Editor, input: &str) -> Vec { static KEYS: Lazy> = Lazy::new(|| { let mut keys = Vec::new(); let json = serde_json::json!(Config::default()); get_keys(&json, &mut keys, None); keys }); fuzzy_match(input, &*KEYS, false) .into_iter() .map(|(name, _)| ((0..), name.into())) .collect() } pub fn filename(editor: &Editor, input: &str) -> Vec { filename_with_git_ignore(editor, input, true) } pub fn filename_with_git_ignore( editor: &Editor, input: &str, git_ignore: bool, ) -> Vec { filename_impl(editor, input, git_ignore, |entry| { let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir()); if is_dir { FileMatch::AcceptIncomplete } else { FileMatch::Accept } }) } pub fn language(editor: &Editor, input: &str) -> Vec { let text: String = "text".into(); let loader = editor.syn_loader.load(); let language_ids = loader .language_configs() .map(|config| &config.language_id) .chain(std::iter::once(&text)); fuzzy_match(input, language_ids, false) .into_iter() .map(|(name, _)| ((0..), name.to_owned().into())) .collect() } pub fn lsp_workspace_command(editor: &Editor, input: &str) -> Vec { let Some(options) = doc!(editor) .language_servers_with_feature(LanguageServerFeature::WorkspaceCommand) .find_map(|ls| ls.capabilities().execute_command_provider.as_ref()) else { return vec![]; }; fuzzy_match(input, &options.commands, false) .into_iter() .map(|(name, _)| ((0..), name.to_owned().into())) .collect() } pub fn directory(editor: &Editor, input: &str) -> Vec { directory_with_git_ignore(editor, input, true) } pub fn directory_with_git_ignore( editor: &Editor, input: &str, git_ignore: bool, ) -> Vec { filename_impl(editor, input, git_ignore, |entry| { let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir()); if is_dir { FileMatch::Accept } else { FileMatch::Reject } }) } #[derive(Copy, Clone, PartialEq, Eq)] enum FileMatch { /// Entry should be ignored Reject, /// Entry is usable but can't be the end (for instance if the entry is a directory and we /// try to match a file) AcceptIncomplete, /// Entry is usable and can be the end of the match Accept, } // TODO: we could return an iter/lazy thing so it can fetch as many as it needs. fn filename_impl( _editor: &Editor, input: &str, git_ignore: bool, filter_fn: F, ) -> Vec where F: Fn(&ignore::DirEntry) -> FileMatch, { // Rust's filename handling is really annoying. use ignore::WalkBuilder; use std::path::Path; let is_tilde = input == "~"; let path = helix_stdx::path::expand_tilde(Path::new(input)); let (dir, file_name) = if input.ends_with(std::path::MAIN_SEPARATOR) { (path, None) } else { let is_period = (input.ends_with((format!("{}.", std::path::MAIN_SEPARATOR)).as_str()) && input.len() > 2) || input == "."; let file_name = if is_period { Some(String::from(".")) } else { path.file_name() .and_then(|file| file.to_str().map(|path| path.to_owned())) }; let path = if is_period { path } else { match path.parent() { Some(path) if !path.as_os_str().is_empty() => Cow::Borrowed(path), // Path::new("h")'s parent is Some("")... _ => Cow::Owned(helix_stdx::env::current_working_dir()), } }; (path, file_name) }; let end = input.len()..; let files = WalkBuilder::new(&dir) .hidden(false) .follow_links(false) // We're scanning over depth 1 .git_ignore(git_ignore) .max_depth(Some(1)) .build() .filter_map(|file| { file.ok().and_then(|entry| { let fmatch = filter_fn(&entry); if fmatch == FileMatch::Reject { return None; } //let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir()); let path = entry.path(); let mut path = if is_tilde { // if it's a single tilde an absolute path is displayed so that when `TAB` is pressed on // one of the directories the tilde will be replaced with a valid path not with a relative // home directory name. // ~ -> -> /home/user // ~/ -> -> ~/first_entry path.to_path_buf() } else { path.strip_prefix(&dir).unwrap_or(path).to_path_buf() }; if fmatch == FileMatch::AcceptIncomplete { path.push(""); } let path = path.into_os_string().into_string().ok()?; Some(Cow::from(path)) }) }) // TODO: unwrap or skip .filter(|path| !path.is_empty()); // if empty, return a list of dirs and files in current dir if let Some(file_name) = file_name { let range = (input.len().saturating_sub(file_name.len()))..; fuzzy_match(&file_name, files, true) .into_iter() .map(|(name, _)| (range.clone(), name)) .collect() // TODO: complete to longest common match } else { let mut files: Vec<_> = files.map(|file| (end.clone(), file)).collect(); files.sort_unstable_by(|(_, path1), (_, path2)| path1.cmp(path2)); files } } }