gitkraft 0.7.2

GitKraft — Git IDE desktop application (Iced GUI)
Documentation 
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use gitkraft_gui::GitKraft;
use iced::Settings;

fn main() -> iced::Result {
    tracing_subscriber::fmt::init();

    iced::application(boot, GitKraft::update, GitKraft::view)
        .title("GitKraft — Git IDE")
        .theme(|state: &GitKraft| state.iced_theme())
        .subscription(|state: &GitKraft| {
            let keyboard = iced::event::listen_with(|event, status, _window| {
                if let iced::event::Status::Ignored = status {
                    if let iced::Event::Keyboard(iced::keyboard::Event::KeyPressed {
                        key,
                        modifiers,
                        ..
                    }) = event
                    {
                        return handle_key_press(key, modifiers);
                    }
                }
                None
            });
            let auto_refresh = auto_refresh_subscription(state.has_repo());
            iced::Subscription::batch([keyboard, auto_refresh])
        })
        .scale_factor(|state: &GitKraft| state.ui_scale)
        .settings(Settings {
            fonts: vec![iced_fonts::BOOTSTRAP_FONT_BYTES.into()],
            ..Default::default()
        })
        .window(iced::window::Settings {
            size: iced::Size::new(1400.0, 800.0),
            ..Default::default()
        })
        .run()
}

/// Boot function — initializes application state and returns startup tasks.
fn boot() -> (GitKraft, iced::Task<gitkraft_gui::Message>) {
    let (mut state, open_tabs) = GitKraft::new_with_session_paths();

    let maximize_task: iced::Task<gitkraft_gui::Message> =
        iced::window::oldest().and_then(|id| iced::window::maximize(id, true));

    let restore_task = if !open_tabs.is_empty() {
        // Restore every saved tab in parallel, each loading into its own index.
        let tasks: Vec<iced::Task<gitkraft_gui::Message>> = open_tabs
            .iter()
            .enumerate()
            .filter(|(_, p)| p.exists())
            .map(|(i, p)| gitkraft_gui::features::repo::commands::load_repo_at(i, p.clone()))
            .collect();
        iced::Task::batch(tasks)
    } else {
        // Legacy fallback: restore the single last-opened repo.
        match gitkraft_core::features::persistence::ops::get_last_repo() {
            Ok(Some(path)) if path.exists() => {
                let tab = state.active_tab_mut();
                tab.is_loading = true;
                tab.status_message = Some("Loading repository...".to_string());
                gitkraft_gui::features::repo::commands::load_repo(path)
            }
            _ => iced::Task::none(),
        }
    };

    (state, iced::Task::batch([maximize_task, restore_task]))
}

/// Periodic auto-refresh subscription — emits `FileSystemChanged` every ~2 seconds.
///
/// Uses `Subscription::run` with `futures::stream::unfold` and a blocking
/// `std::thread::sleep` so it works with any async backend (thread-pool, tokio,
/// smol, etc.).  The handler in `update.rs` short-circuits when no repo is open
/// or when the tab is already loading, so a no-repo guard here just avoids
/// spawning the stream at all.
fn auto_refresh_subscription(has_repo: bool) -> iced::Subscription<gitkraft_gui::Message> {
    if !has_repo {
        return iced::Subscription::none();
    }

    iced::Subscription::run(auto_refresh_stream)
}

/// Build a never-ending stream that yields `FileSystemChanged` every 2 seconds.
fn auto_refresh_stream() -> impl futures::Stream<Item = gitkraft_gui::Message> {
    futures::stream::unfold((), |()| async {
        // Blocking sleep is acceptable here — iced's thread-pool backend
        // drives each subscription on its own worker thread.
        std::thread::sleep(std::time::Duration::from_secs(2));
        Some((gitkraft_gui::Message::FileSystemChanged, ()))
    })
}

/// Map keyboard shortcuts to messages.
fn handle_key_press(
    key: iced::keyboard::Key,
    modifiers: iced::keyboard::Modifiers,
) -> Option<gitkraft_gui::Message> {
    use iced::keyboard::Key;

    if modifiers.control() || modifiers.command() {
        match key {
            // Ctrl/Cmd + Plus (or Ctrl/Cmd + =)
            Key::Character(ref c) if c.as_str() == "+" || c.as_str() == "=" => {
                Some(gitkraft_gui::Message::ZoomIn)
            }
            // Ctrl/Cmd + Minus
            Key::Character(ref c) if c.as_str() == "-" => Some(gitkraft_gui::Message::ZoomOut),
            // Ctrl/Cmd + 0 — reset zoom
            Key::Character(ref c) if c.as_str() == "0" => Some(gitkraft_gui::Message::ZoomReset),
            // Ctrl/Cmd + F — toggle search
            Key::Character(ref c) if c.as_str() == "f" => Some(gitkraft_gui::Message::ToggleSearch),
            _ => None,
        }
    } else {
        None
    }
}