diff --git a/src/editor.rs b/src/editor.rs index 23ce325..f86f576 100644 --- a/src/editor.rs +++ b/src/editor.rs @@ -1,6 +1,6 @@ use crossterm::{ cursor::{self, MoveTo}, - event::{self, Event, KeyCode, KeyModifiers}, + event::{self, Event, KeyCode, KeyEvent, KeyModifiers}, queue, style::{Color, Colors, ResetColor, SetColors}, terminal::{self, Clear, ClearType}, @@ -89,34 +89,62 @@ impl Editor { fn input(&mut self) { match event::read() { - Ok(Event::Key(event)) => match event.modifiers { - KeyModifiers::NONE => match event.code { - KeyCode::Esc => self.active = false, - KeyCode::Char(ch) => self.insert_char(ch), - KeyCode::Backspace => self.backspace(), - KeyCode::Delete => self.delete(), - KeyCode::Left => self.move_left(), - KeyCode::Right => self.move_right(), - KeyCode::Up => self.move_up(), - KeyCode::Down => self.move_down(), - KeyCode::Home => self.move_home(), - KeyCode::End => self.move_end(), + Ok(Event::Key(event)) => { + if self.input_movement(&event) { + return; + } + match event.modifiers { + KeyModifiers::NONE => match event.code { + KeyCode::Esc => self.active = false, + KeyCode::Char(ch) => self.insert_char(ch), + KeyCode::Enter => self.insert_char('\n'), + KeyCode::Backspace => self.backspace(), + KeyCode::Delete => self.delete(), + _ => (), + }, + KeyModifiers::CONTROL => match event.code { + KeyCode::Char('s') => self.save(), + KeyCode::Char('c') => self.copy(), + KeyCode::Char('x') => self.cut(), + KeyCode::Char('v') => self.paste(), + _ => (), + }, _ => (), - }, - KeyModifiers::CONTROL => match event.code { - KeyCode::Char('s') => self.save(), - KeyCode::Char('p') => self.toggle_marker(), - KeyCode::Char('c') => self.copy(), - KeyCode::Char('x') => self.cut(), - KeyCode::Char('v') => self.paste(), - _ => (), - }, - _ => (), - }, + } + } _ => (), } } + /// Cursor movement logic, returns true if cursor moved (so consider the event consumed in that case) + fn input_movement(&mut self, event: &KeyEvent) -> bool { + if let KeyCode::Left + | KeyCode::Right + | KeyCode::Up + | KeyCode::Down + | KeyCode::Home + | KeyCode::End = event.code + { + if event.modifiers.contains(KeyModifiers::SHIFT) { + self.set_marker(); + } else { + self.marker = None; + } + match event.code { + KeyCode::Left => self.move_left(), + KeyCode::Right => self.move_right(), + KeyCode::Up => self.move_up(), + KeyCode::Down => self.move_down(), + KeyCode::Home => self.move_home(), + KeyCode::End => self.move_end(), + _ => (), + } + true + } else { + false + } + } + fn draw(&self) { queue!(stdout(), Clear(ClearType::All)).unwrap(); @@ -244,10 +272,8 @@ impl Editor { } } - fn toggle_marker(&mut self) { - if self.marker.is_some() { - self.marker = None; - } else { + fn set_marker(&mut self) { + if self.marker.is_none() { self.marker = Some(self.char_index()); } } @@ -282,7 +308,6 @@ impl Editor { fn insert_char(&mut self, ch: char) { self.unsaved_changes = true; - // eprintln!("inserting {ch} at {}", self.index()); self.text.insert(self.char_index(), ch); self.find_lines(); self.move_right();