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use anyhow::Result;
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use radicle_tui as tui;
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use termion::event::Key;
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use tui::store;
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use tui::ui::widget::text::{Paragraph, ParagraphProps};
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use tui::ui::widget::{Properties, Widget};
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use tui::{Channel, Exit};
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#[derive(Clone, Debug)]
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struct State {
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welcome: String,
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}
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enum Message {
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Quit,
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ReverseWelcome,
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}
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impl store::State<()> for State {
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type Message = Message;
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fn update(&mut self, message: Self::Message) -> Option<tui::Exit<()>> {
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match message {
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Message::Quit => Some(Exit { value: None }),
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Message::ReverseWelcome => {
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self.welcome = self.welcome.chars().rev().collect::<String>();
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None
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}
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}
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}
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fn tick(&self) {}
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}
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#[tokio::main]
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pub async fn main() -> Result<()> {
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let channel = Channel::default();
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let state = State {
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welcome: "Hello TUI".to_string(),
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};
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let welcome = Paragraph::new(&state, channel.tx.clone())
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.on_update(|state| {
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ParagraphProps::default()
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.text(&state.welcome.clone().into())
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.to_boxed()
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})
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.on_event(|paragraph, key| {
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paragraph
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.downcast_mut::<Paragraph<'_, State, Message>>()
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.and_then(|paragraph| match key {
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Key::Char('r') => paragraph.send(Message::ReverseWelcome).ok(),
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Key::Char('q') => paragraph.send(Message::Quit).ok(),
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_ => None,
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});
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})
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.to_boxed();
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tui::run(channel, state, welcome).await?;
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Ok(())
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}
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