connect GUI to pijul to display simple channel list

CrepeGoat

Oct 8, 2024, 10:23 PM

4RPYR65C4IEKV3INJ67NN4DOH37UDY45EE7VGF55ZKDFH75LXLJAC

Dependencies

• [2] NSE6BLWA init slint project from https://github.com/slint-ui/slint-rust-template
• [*] NCRTU7M4 cargo init

Change contents

• replacement in ui/app-window.slint at line 4
  [2.161]→[2.161:239](∅→∅)
  − in-out property <int> counter: 42;

  − callback request-increase-value();
  [2.161]

  [2.239]
  + in-out property <string> channel_list: "";

  + callback request-channel-list();
• replacement in ui/app-window.slint at line 8
  [2.272]→[2.272:318](∅→∅)
  − text: "Counter: \{root.counter}";
  [2.272]

  [2.318]
  + text: "channels: \n\{root.channel_list}";
• replacement in ui/app-window.slint at line 12
  [2.346]→[2.346:382](∅→∅)
  − text: "Increase value";
  [2.346]

  [2.382]
  + text: "Refresh";
• replacement in ui/app-window.slint at line 14
  [2.407]→[2.407:454](∅→∅)
  − root.request-increase-value();
  [2.407]

  [2.454]
  + root.request-channel-list();
• edit in src/main.rs at line 3
  [2.709]

  [2.709]
  +

  + mod cmds;

  +

  + use std::path::Path;
• replacement in src/main.rs at line 8
  [2.710]→[2.710:733](∅→∅)
  − use std::error::Error;
  [2.710]

  [2.733]
  + use anyhow::Error;

  + use cmds::channel;

  + use slint::SharedString;
• replacement in src/main.rs at line 14
  [2.762]→[2.762:804](∅→∅)
  − fn main() -> Result<(), Box<dyn Error>> {
  [2.762]

  [2.804]
  + fn main() -> Result<(), Error> {
• replacement in src/main.rs at line 17
  [2.837]→[2.837:872](∅→∅)
  − ui.on_request_increase_value({
  [2.837]

  [2.872]
  + ui.on_request_channel_list({
• replacement in src/main.rs at line 21
  [2.969]→[2.969:1019](∅→∅)
  − ui.set_counter(ui.get_counter() + 1);
  [2.969]

  [2.1019]
  + let channel_output = channel(

  + Path::new("/Users/beckerawqatty/.nix-profile/bin/pijul"),

  + Path::new("/Users/beckerawqatty/Repos/pijul-gui/"),

  + );

  + let channel_list = match channel_output {

  + Ok(channel_list) => channel_list,

  + Err(e) => {

  + println!("{:?}", e);

  + return;

  + }

  + };

  +

  + ui.set_channel_list(SharedString::from(&channel_list));
• file addition: cmds.rs (----------)
  [4.15]
  + use anyhow::Error;

  + use std::process::{Command, ExitStatus};

  +

  + pub fn channel(exe: &std::path::Path, repo: &std::path::Path) -> Result<String, Error> {

  + let mut cmd = Command::new(exe);

  + let cmd = cmd

  + .arg("channel")

  + .arg("--no-prompt")

  + .arg("--repository")

  + .arg(repo);

  + let output = cmd.output()?;

  + check_exit_status(cmd, output.status)?;

  + Ok(String::from_utf8(output.stdout)?)

  + }

  +

  + fn check_exit_status(cmd: &Command, exit_status: ExitStatus) -> Result<(), Error> {

  + if exit_status.success() {

  + Ok(())

  + } else {

  + Err(Error::from(ExecutionError {

  + command: format!("{:?}", cmd),

  + exit_code: exit_status.code(),

  + }))

  + }

  + }

  +

  + /// Execution of a [`Command`] finished with an unsuccessful error code.

  + #[derive(Debug, Clone, PartialEq, thiserror::Error)]

  + #[error("Received an exit code of {} from {}", exit_code.unwrap_or(1), command)]

  + pub struct ExecutionError {

  + pub command: String,

  + pub exit_code: Option<i32>,

  + }
• edit in Cargo.toml at line 10
  [2.1308]

  [2.1308]
  + anyhow = "1.0.89"

  + thiserror = "1.0.64"
• edit in Cargo.lock at line 192
  [2.6025]

  [2.6025]
  +

  + [[package]]

  + name = "anyhow"

  + version = "1.0.89"

  + source = "registry+https://github.com/rust-lang/crates.io-index"

  + checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
• edit in Cargo.lock at line 2803
  [2.69755]

  [2.69755]
  + "anyhow",
• edit in Cargo.lock at line 2806
  [2.69781]

  [2.69781]
  + "thiserror",