[Wip] CLI & Daemon
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44 changed files with 4417 additions and 303 deletions
282
iota-cli/src/screens/overview.rs
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282
iota-cli/src/screens/overview.rs
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use crate::{
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controls::button::{ActionButton, ButtonIntent, render_button},
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interaction_result::InteractionResult,
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ipc_client::{DaemonStatus, IpcConnectionState},
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render_context::RenderContext,
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screens::screens::{AppAction, HitMap, KeyHint, Screen, UiEvent},
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};
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use crossterm::event::KeyCode;
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use ratatui::{
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Frame,
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layout::Rect,
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text::{Line, Span},
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widgets::{Block, Borders, Paragraph, Wrap},
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};
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use std::{
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any::Any,
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sync::atomic::{AtomicUsize, Ordering},
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};
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use tokio::sync::watch;
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pub struct OverviewScreen {
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connection_rx: watch::Receiver<IpcConnectionState>,
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daemon_rx: watch::Receiver<DaemonStatus>,
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_focus: Focus,
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scroll_offset: usize,
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content_height: AtomicUsize,
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viewport_height: AtomicUsize,
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}
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#[derive(Clone, Copy, PartialEq, Eq)]
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enum Focus {
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Back,
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}
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impl OverviewScreen {
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pub fn new(
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connection_rx: watch::Receiver<IpcConnectionState>,
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daemon_rx: watch::Receiver<DaemonStatus>,
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) -> Self {
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Self {
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connection_rx,
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daemon_rx,
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_focus: Focus::Back,
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scroll_offset: 0,
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content_height: AtomicUsize::new(0),
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viewport_height: AtomicUsize::new(1),
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}
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}
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fn build_lines(&self, theme: &crate::theme::ResolvedTheme) -> Vec<Line<'static>> {
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let conn = self.connection_rx.borrow().clone();
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let daemon = self.daemon_rx.borrow().clone();
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let mut lines = Vec::new();
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lines.push(Line::from(Span::styled(
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"Connection",
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theme.text.heading,
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)));
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lines.push(Line::from(format!(" State: {}", connection_label(&conn))));
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lines.push(Line::from(""));
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lines.push(Line::from(Span::styled(
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"Daemon",
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theme.text.heading,
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)));
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lines.push(Line::from(format!(
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" Version: {}",
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version_or_unknown(&daemon.version)
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)));
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lines.push(Line::from(format!(
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" Instance: {}",
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truncate_id(&daemon.instance_id)
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)));
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let phase = daemon
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.startup_phase
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.map(|p| format!("{:?}", p))
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.unwrap_or_else(|| "Unknown".into());
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lines.push(Line::from(format!(" Phase: {}", phase)));
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let lifecycle = daemon
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.lifecycle
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.map(|l| format!("{:?}", l))
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.unwrap_or_else(|| "Unknown".into());
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lines.push(Line::from(format!(" Lifecycle: {}", lifecycle)));
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let health = match daemon.health {
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iota_ipc::HealthStatus::Healthy => "[OK] Healthy",
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iota_ipc::HealthStatus::Degraded => "[WARN] Degraded",
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iota_ipc::HealthStatus::Failed => "[FAIL] Failed",
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};
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lines.push(Line::from(format!(" Health: {health}")));
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if let Some(ref reason) = daemon.degraded_reason {
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lines.push(Line::from(Span::styled(
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format!(" Degraded: {reason}"),
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theme.status.warning,
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)));
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}
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let mode = daemon
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.deployment_mode
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.map(|m| format!("{:?}", m))
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.unwrap_or_else(|| "Unknown".into());
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lines.push(Line::from(format!(" Deployment: {mode}")));
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let supervisor = daemon
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.supervisor
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.map(|s| format!("{:?}", s))
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.unwrap_or_else(|| "Unknown".into());
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lines.push(Line::from(format!(" Supervisor: {supervisor}")));
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if !daemon.components.is_empty() {
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lines.push(Line::from(""));
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lines.push(Line::from(Span::styled(
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"Components",
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theme.text.heading,
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)));
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for (id, health) in &daemon.components {
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let status_str = match health.status {
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iota_ipc::HealthStatus::Healthy => "[OK] healthy",
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iota_ipc::HealthStatus::Degraded => "[WARN] degraded",
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iota_ipc::HealthStatus::Failed => "[FAIL] failed",
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};
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let suffix = health
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.message
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.as_deref()
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.map(|m| format!(" ({m})"))
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.unwrap_or_default();
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lines.push(Line::from(format!(" {:?}: {}{}", id, status_str, suffix)));
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}
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}
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lines.push(Line::from(""));
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lines.push(Line::from(Span::styled(
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"Press Esc or B to return to the dashboard",
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theme.text.muted,
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)));
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lines
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}
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}
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fn connection_label(conn: &IpcConnectionState) -> String {
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match conn {
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IpcConnectionState::Connected => "Connected".into(),
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IpcConnectionState::Connecting => "Connecting...".into(),
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IpcConnectionState::Reconnecting { attempt } => {
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format!("Reconnecting (attempt {attempt})...")
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}
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IpcConnectionState::Incompatible { message } => {
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format!("Incompatible: {message}")
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}
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IpcConnectionState::Failed { message } => format!("Failed: {message}"),
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IpcConnectionState::Disconnected => "Disconnected".into(),
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}
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}
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fn version_or_unknown(v: &str) -> String {
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if v.is_empty() {
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"Unknown".into()
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} else {
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v.into()
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}
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}
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fn truncate_id(id: &str) -> String {
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if id.len() > 8 {
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format!("{}…", &id[..8])
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} else {
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id.into()
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}
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}
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impl Screen for OverviewScreen {
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fn as_any(&self) -> &dyn Any {
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self
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}
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fn as_any_mut(&mut self) -> &mut dyn Any {
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self
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}
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fn render(&self, f: &mut Frame, rect: Rect, context: &RenderContext<'_>, _hits: &mut HitMap) {
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let block = Block::default()
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.title(" Overview ")
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.borders(Borders::ALL)
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.border_style(context.theme.borders.normal)
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.title_style(context.theme.borders.title);
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let inner = if matches!(context.theme.chrome, crate::theme::ChromeMode::Surfaces) { crate::controls::panel::render_panel(f, rect, "Overview", false, context.theme) } else { let inner = block.inner(rect); f.render_widget(block, rect); inner };
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let rows = ratatui::layout::Layout::vertical([
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ratatui::layout::Constraint::Min(1),
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ratatui::layout::Constraint::Length(1),
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])
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.split(inner);
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let lines = self.build_lines(context.theme);
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self.content_height.store(lines.len(), Ordering::Relaxed);
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self.viewport_height
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.store(rows[0].height as usize, Ordering::Relaxed);
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let par = Paragraph::new(lines)
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.wrap(Wrap { trim: true })
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.scroll((self.scroll_offset as u16, 0));
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f.render_widget(par, rows[0]);
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render_button(
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f,
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rows[1],
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ActionButton {
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label: "Back",
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intent: ButtonIntent::Cancel,
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focused: self._focus == Focus::Back,
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enabled: true,
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},
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context.theme,
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);
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_hits.register(rows[1], AppAction::Back);
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}
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fn handle_event(&mut self, event: UiEvent) -> InteractionResult {
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let UiEvent::Key(event) = event else {
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return InteractionResult::Unhandled;
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};
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match event.code {
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KeyCode::Esc | KeyCode::Char('b') | KeyCode::Char('B') => {
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InteractionResult::CloseScreen
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}
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KeyCode::Down | KeyCode::Char('j') => {
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let max = self
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.content_height
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.load(Ordering::Relaxed)
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.saturating_sub(self.viewport_height.load(Ordering::Relaxed));
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self.scroll_offset = self.scroll_offset.saturating_add(1).min(max);
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InteractionResult::Handled
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}
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KeyCode::Up | KeyCode::Char('k') => {
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self.scroll_offset = self.scroll_offset.saturating_sub(1);
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InteractionResult::Handled
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}
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KeyCode::PageDown => {
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let page = self.viewport_height.load(Ordering::Relaxed).max(1);
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let max = self
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.content_height
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.load(Ordering::Relaxed)
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.saturating_sub(page);
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self.scroll_offset = self.scroll_offset.saturating_add(page).min(max);
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InteractionResult::Handled
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}
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KeyCode::PageUp => {
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let page = self.viewport_height.load(Ordering::Relaxed).max(1);
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self.scroll_offset = self.scroll_offset.saturating_sub(page);
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InteractionResult::Handled
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}
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KeyCode::Home => {
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self.scroll_offset = 0;
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InteractionResult::Handled
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}
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KeyCode::End => {
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self.scroll_offset = self
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.content_height
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.load(Ordering::Relaxed)
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.saturating_sub(self.viewport_height.load(Ordering::Relaxed));
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InteractionResult::Handled
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}
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_ => InteractionResult::Unhandled,
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}
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}
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fn handle_action(&mut self, action: AppAction) -> InteractionResult {
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if action == AppAction::Back {
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InteractionResult::CloseScreen
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} else {
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InteractionResult::Unhandled
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}
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}
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fn key_hints(&self) -> Vec<KeyHint> {
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vec![
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KeyHint { keys: "Up/Down", action: "Scroll" },
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KeyHint { keys: "PgUp/PgDn", action: "Page" },
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KeyHint { keys: "Esc/B", action: "Back" },
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KeyHint { keys: "F6", action: "Header" },
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]
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}
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}
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