Andromeda/rust-term
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cursor

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This commit is contained in:
mtgmonkey 2025-07-07 01:15:05 -04:00
parent d55c65216f
commit b4da358591
1 changed files with 34 additions and 2 deletions
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36
src/lib.rs
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@ -55,6 +55,7 @@ pub enum Msg {
pub struct Model {
screen_buffer: [u8; 65536],
screen_buffer_index: usize,
cursor_index: usize,
fd: OwnedFd,
stdin: OwnedFd,
input: String,
@ -64,6 +65,7 @@ impl Model {
fn new(
screen_buffer: [u8; 65536],
screen_buffer_index: usize,
cursor_index: usize,
fd: OwnedFd,
stdin: OwnedFd,
input: String,
@ -71,6 +73,7 @@ impl Model {
Model {
screen_buffer,
screen_buffer_index,
cursor_index,
fd,
stdin,
input,
@ -84,14 +87,33 @@ impl Model {
None => (),
},
Msg::KeyPressed(key) => match key {
keyboard::Key::Character(c) => self.input.push_str(c.as_str()),
keyboard::Key::Character(c) => {
self.input_char(c.chars().nth(0).unwrap());
}
keyboard::Key::Named(keyboard::key::Named::Enter) => {
self.input.push('\n');
let mut write_buffer = self.input.as_bytes().to_vec();
write(self.fd.as_fd(), &mut write_buffer);
self.input = String::new();
self.cursor_index = 0;
}
keyboard::Key::Named(keyboard::key::Named::Space) => {
self.input_char(' ');
}
keyboard::Key::Named(keyboard::key::Named::ArrowLeft) => {
if self.cursor_index <= 0 {
self.cursor_index = 0;
} else {
self.cursor_index -= 1;
}
}
keyboard::Key::Named(keyboard::key::Named::ArrowRight) => {
if self.cursor_index >= self.input.len() - 1 {
self.cursor_index = self.input.len() - 1;
} else {
self.cursor_index += 1;
}
}
keyboard::Key::Named(keyboard::key::Named::Space) => self.input.push(' '),
_ => (),
},
};
@ -132,6 +154,15 @@ impl Model {
self.screen_buffer_index += 1;
}
}
fn input_char(&mut self, c: char) {
if self.cursor_index == self.input.len() {
self.input.push_str(c.to_string().as_str());
} else {
self.input.insert(self.cursor_index, c);
}
self.cursor_index += 1;
}
}
impl Default for Model {
@ -139,6 +170,7 @@ impl Default for Model {
let mut me = Self::new(
[0; 65536],
0,
0,
spawn_pty_with_shell("/home/mtgmonkey/.nix-profile/bin/dash".to_string()),
std::io::stdin().as_fd().try_clone_to_owned().unwrap(),
String::new(),