aboutsummaryrefslogtreecommitdiff
path: root/helix-term/src/editor.rs
diff options
context:
space:
mode:
authorBlaž Hrastnik2020-09-05 13:01:05 +0000
committerBlaž Hrastnik2020-09-07 02:21:26 +0000
commit579b6899f1fe7f0a06857c4528f55f316e2975e9 (patch)
tree1b850ba7f2abc1698763fc55cf7eebdad0fe9c8f /helix-term/src/editor.rs
parente806446379db3f5c7e3bc6fd823ddd6969ed6f32 (diff)
Work on insert mode.
Diffstat (limited to 'helix-term/src/editor.rs')
-rw-r--r--helix-term/src/editor.rs131
1 files changed, 76 insertions, 55 deletions
diff --git a/helix-term/src/editor.rs b/helix-term/src/editor.rs
index bddc2859..ef4af3dc 100644
--- a/helix-term/src/editor.rs
+++ b/helix-term/src/editor.rs
@@ -9,36 +9,11 @@ use crossterm::{
terminal::{self, disable_raw_mode, enable_raw_mode},
};
use futures::{future::FutureExt, select, StreamExt};
-use helix_core::{state::coords_at_pos, Buffer, State};
+use helix_core::{state::coords_at_pos, state::Mode, Buffer, State};
use std::io::{self, stdout, Write};
use std::path::PathBuf;
use std::time::Duration;
-pub struct BufferComponent<'a> {
- x: u16,
- y: u16,
- contents: Vec<&'a str>,
-}
-
-impl BufferComponent<'_> {
- pub fn render(&self) {
- for (n, line) in self.contents.iter().enumerate() {
- execute!(
- stdout(),
- SetForegroundColor(Color::DarkCyan),
- cursor::MoveTo(self.x, self.y + n as u16),
- Print((n + 1).to_string())
- );
- execute!(
- stdout(),
- SetForegroundColor(Color::Reset),
- cursor::MoveTo(self.x + 2, self.y + n as u16),
- Print(line)
- );
- }
- }
-}
-
static EX: smol::Executor = smol::Executor::new();
pub struct Editor {
@@ -70,21 +45,56 @@ impl Editor {
}
fn render(&mut self) {
- // TODO:
-
match &self.state {
- Some(s) => {
- let view = BufferComponent {
- x: 0,
- y: self.first_line,
- contents: s
- .file()
- .lines_at(self.first_line as usize)
- .take(self.size.1 as usize)
- .map(|x| x.as_str().unwrap())
- .collect::<Vec<&str>>(),
+ Some(state) => {
+ let lines = state
+ .contents()
+ .lines_at(self.first_line as usize)
+ .take(self.size.1 as usize)
+ .map(|x| x.as_str().unwrap());
+
+ let mut stdout = stdout();
+
+ for (n, line) in lines.enumerate() {
+ execute!(
+ stdout,
+ SetForegroundColor(Color::DarkCyan),
+ cursor::MoveTo(0, n as u16),
+ Print((n + 1).to_string())
+ );
+ execute!(
+ stdout,
+ SetForegroundColor(Color::Reset),
+ cursor::MoveTo(2, n as u16),
+ Print(line)
+ );
+ }
+
+ let mode = match state.mode {
+ Mode::Insert => "INS",
+ Mode::Normal => "NOR",
+ };
+
+ execute!(
+ stdout,
+ SetForegroundColor(Color::Reset),
+ cursor::MoveTo(0, self.size.1),
+ Print(mode)
+ );
+
+ // set cursor shape
+ match state.mode {
+ Mode::Insert => write!(stdout, "\x1B[6 q"),
+ Mode::Normal => write!(stdout, "\x1B[2 q"),
};
- view.render();
+
+ // render the cursor
+ let pos = state.selection.primary().head;
+ let coords = coords_at_pos(&state.doc.contents.slice(..), pos);
+ execute!(
+ stdout,
+ cursor::MoveTo((coords.1 + 2) as u16, coords.0 as u16)
+ );
}
None => (),
}
@@ -108,22 +118,30 @@ impl Editor {
break;
}
Some(Ok(Event::Key(event))) => {
- // TODO: handle modes and sequences (`gg`)
- if let Some(command) = keymap.get(&event) {
- if let Some(state) = &mut self.state {
- // TODO: handle count other than 1
- command(state, 1);
- self.render();
- // render the cursor
- let pos = self.state.as_ref().unwrap().selection.primary().head;
- let coords = coords_at_pos(
- &self.state.as_ref().unwrap().doc.contents.slice(..),
- pos,
- );
- execute!(
- stdout(),
- cursor::MoveTo((coords.1 + 2) as u16, coords.0 as u16)
- );
+ if let Some(state) = &mut self.state {
+ match state.mode {
+ Mode::Insert => {
+ match event {
+ KeyEvent {
+ code: KeyCode::Esc, ..
+ } => helix_core::commands::normal_mode(state, 1),
+ KeyEvent {
+ code: KeyCode::Char(c),
+ ..
+ } => helix_core::commands::insert(state, c),
+ _ => (), // skip
+ }
+ self.render();
+ }
+ Mode::Normal => {
+ // TODO: handle modes and sequences (`gg`)
+ if let Some(command) = keymap.get(&event) {
+ // TODO: handle count other than 1
+ command(state, 1);
+
+ self.render();
+ }
+ }
}
}
}
@@ -145,6 +163,9 @@ impl Editor {
self.print_events().await;
+ // reset cursor shape
+ write!(stdout, "\x1B[2 q");
+
execute!(stdout, terminal::LeaveAlternateScreen)?;
disable_raw_mode()?;