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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| use std::{cell::RefCell, rc::Rc}; | ||
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| use crossterm::event::KeyEvent; | ||
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| use crate::{application::event::KeyEventResult, keymap::Keymaps, ui::widgets::prompt::Prompt}; | ||
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| pub enum KeyHandler { | ||
| Prompt(Rc<RefCell<Prompt>>), | ||
| Keymaps(Keymaps), | ||
| } | ||
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| impl KeyHandler { | ||
| fn handle(&mut self, event: &KeyEvent) -> KeyEventResult { | ||
| match self { | ||
| KeyHandler::Prompt(prompt) => prompt.borrow_mut().handle_key_event(event), | ||
| KeyHandler::Keymaps(keymaps) => keymaps.search(event), | ||
| } | ||
| } | ||
| } | ||
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| pub struct KeyHandlers { | ||
| handlers: Vec<KeyHandler>, | ||
| } | ||
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| impl KeyHandlers { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| handlers: Vec::new(), | ||
| } | ||
| } | ||
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| pub fn push(&mut self, handler: KeyHandler) { | ||
| self.handlers.push(handler); | ||
| } | ||
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| pub fn remove_prompt(&mut self) { | ||
| self.handlers | ||
| .retain(|h| !matches!(h, KeyHandler::Prompt(_))); | ||
| } | ||
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| pub fn keymaps_mut(&mut self) -> Option<&mut Keymaps> { | ||
| for handler in &mut self.handlers { | ||
| match handler { | ||
| KeyHandler::Keymaps(keymaps) => return Some(keymaps), | ||
| KeyHandler::Prompt(_) => continue, | ||
| } | ||
| } | ||
| None | ||
| } | ||
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| pub fn handle(&mut self, event: KeyEvent) -> KeyEventResult { | ||
| for handler in self.handlers.iter_mut().rev() { | ||
| if let KeyEventResult::Consumed(r) = handler.handle(&event) { | ||
| return KeyEventResult::Consumed(r); | ||
| } | ||
| } | ||
| KeyEventResult::Ignored | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| use crate::command::Command; | ||
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| mod key_handlers; | ||
| pub use key_handlers::{KeyHandler, KeyHandlers}; | ||
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| pub enum KeyEventResult { | ||
| Consumed(Option<Command>), | ||
| Ignored, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| use std::{cell::RefCell, fmt, rc::Rc}; | ||
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| use nucleo::{ | ||
| pattern::{AtomKind, CaseMatching, Normalization, Pattern}, | ||
| Utf32Str, | ||
| }; | ||
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| #[derive(Clone)] | ||
| pub struct Matcher { | ||
| matcher: Rc<RefCell<nucleo::Matcher>>, | ||
| needle: Option<Pattern>, | ||
| // For Utf32 conversion | ||
| buf: Rc<RefCell<Vec<char>>>, | ||
| } | ||
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| impl Matcher { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| matcher: Rc::new(RefCell::new(nucleo::Matcher::default())), | ||
| needle: None, | ||
| buf: Rc::new(RefCell::new(Vec::new())), | ||
| } | ||
| } | ||
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| pub fn update_needle(&mut self, needle: &str) { | ||
| if needle.is_empty() { | ||
| self.needle = None; | ||
| } else { | ||
| let needle = Pattern::new( | ||
| needle, | ||
| CaseMatching::Smart, | ||
| Normalization::Smart, | ||
| AtomKind::Substring, | ||
| ); | ||
| self.needle = Some(needle); | ||
| } | ||
| } | ||
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| pub fn r#match(&self, haystack: &str) -> bool { | ||
| match self.needle.as_ref() { | ||
| Some(needle) => { | ||
| let mut buf = self.buf.borrow_mut(); | ||
| let haystack = Utf32Str::new(haystack, &mut buf); | ||
| needle | ||
| .score(haystack, &mut self.matcher.borrow_mut()) | ||
| .unwrap_or(0) | ||
| > 0 | ||
| } | ||
| None => true, | ||
| } | ||
| } | ||
| } | ||
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| impl fmt::Debug for Matcher { | ||
| fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { | ||
| f.debug_struct("Matcher") | ||
| .field("needle", &self.needle) | ||
| .finish_non_exhaustive() | ||
| } | ||
| } |
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