Andromeda/rust-term
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add a few keypresses, remove text area in favor of manual working

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This commit is contained in:
mtgmonkey 2025-07-07 00:39:57 -04:00
parent 27227bdfc9
commit d55c65216f
1 changed files with 35 additions and 41 deletions
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56
src/lib.rs
View file

@ -1,6 +1,6 @@
use iced::widget::text_input::Id;
use iced::widget::{column, row, scrollable, text, text_input};
use iced::{Element, Font, Task};
use iced::{Element, Font, Task, keyboard};
use nix::pty::{ForkptyResult, forkpty};
use nix::unistd::write;
@ -10,7 +10,7 @@ use std::io::{Read, Write};
use std::os::unix::io::{AsFd, OwnedFd};
use std::process::Command;
pub fn spawn_pty_with_shell(default_shell: String) -> OwnedFd {
fn spawn_pty_with_shell(default_shell: String) -> OwnedFd {
match unsafe { forkpty(None, None) } {
Ok(fork_pty_res) => match fork_pty_res {
ForkptyResult::Parent { master, .. } => {
@ -27,7 +27,7 @@ pub fn spawn_pty_with_shell(default_shell: String) -> OwnedFd {
}
}
pub fn read_from_fd(fd: &OwnedFd) -> Option<Vec<u8>> {
fn read_from_fd(fd: &OwnedFd) -> Option<Vec<u8>> {
let mut read_buffer = [0; 65536];
let mut file = File::from(fd.try_clone().unwrap());
file.flush();
@ -48,9 +48,8 @@ fn set_nonblock(fd: &OwnedFd) {
#[derive(Debug, Clone)]
pub enum Msg {
HasInput,
InputChanged(String),
Tick,
KeyPressed(iced::keyboard::Key),
}
pub struct Model {
@ -80,48 +79,40 @@ impl Model {
pub fn update(&mut self, msg: Msg) -> Task<Msg> {
match msg {
Msg::HasInput => {
let mut write_buffer = self.input.as_bytes().to_vec();
write_buffer.push(b'\n');
write(self.fd.as_fd(), &mut write_buffer);
self.input = String::new();
}
Msg::InputChanged(input) => self.input = input,
Msg::Tick => match read_from_fd(&self.fd) {
Some(red) => self.update_screen_buffer(&red),
None => (),
},
Msg::KeyPressed(key) => match key {
keyboard::Key::Character(c) => self.input.push_str(c.as_str()),
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();
}
keyboard::Key::Named(keyboard::key::Named::Space) => self.input.push(' '),
_ => (),
},
};
iced::widget::text_input::focus::<Msg>(Id::new("text_input"))
iced::Task::<Msg>::none()
}
pub fn view(&self) -> Element<'_, Msg> {
let (left, right) = match String::from_utf8(self.screen_buffer.to_vec())
let (left, right) =
match String::from_utf8(self.screen_buffer[..self.screen_buffer_index].to_vec())
.unwrap()
.trim_end_matches('\0')
.rsplit_once('\n')
{
Some(tup) => (tup.0.to_string(), tup.1.to_string()),
None => (
String::new(),
String::from_utf8(self.screen_buffer.to_vec())
String::from_utf8(self.screen_buffer[..self.screen_buffer_index].to_vec())
.unwrap()
.trim_end_matches('\0')
.to_string(),
),
};
scrollable(column![
text(left),
row![
text(right),
text_input("", &self.input)
.on_input(Msg::InputChanged)
.on_submit(Msg::HasInput)
.padding(0)
.id(Id::new("text_input"))
]
])
.into()
scrollable(column![text(left), row![text(right), text(&self.input),]]).into()
}
pub fn theme(&self) -> iced::Theme {
@ -129,13 +120,16 @@ impl Model {
}
pub fn subscription(&self) -> iced::Subscription<Msg> {
iced::time::every(iced::time::Duration::new(0, 100)).map(|_| Msg::Tick)
let tick = iced::time::every(iced::time::Duration::new(0, 1)).map(|_| Msg::Tick);
let key = keyboard::on_key_press(|key, _| Some(Msg::KeyPressed(key)));
iced::Subscription::batch(vec![tick, key])
}
fn update_screen_buffer(&mut self, vec: &Vec<u8>) {
let offset = self.screen_buffer.iter().position(|&c| c == b'\0').unwrap();
let offset = self.screen_buffer_index;
for (i, chr) in vec.iter().enumerate() {
self.screen_buffer[i + offset] = chr.clone();
self.screen_buffer_index += 1;
}
}
}