2021-08-23 14:06:00 +02:00
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use std::sync::mpsc;
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use std::{io, thread};
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2021-08-25 12:23:15 +02:00
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use termion::event::Key;
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2021-08-23 14:06:00 +02:00
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use termion::input::TermRead;
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use termion::raw::IntoRawMode;
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use tui::backend::TermionBackend;
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2021-08-25 12:23:15 +02:00
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use tui::layout::{Constraint, Direction, Layout};
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2021-08-23 14:06:00 +02:00
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use tui::Terminal;
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2021-08-25 12:23:15 +02:00
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use crate::tags;
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use crate::widget::repo_entry;
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use crate::widget::tag_list;
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2021-08-23 14:06:00 +02:00
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use crate::widget::Widget;
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pub struct Ui {
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state: State,
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repo: crate::widget::repo_entry::RepoEntry,
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tags: crate::widget::tag_list::TagList,
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}
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#[derive(PartialEq, Clone)]
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pub enum State {
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EditRepo,
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SelectTag,
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}
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impl Ui {
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2021-08-25 12:23:15 +02:00
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pub fn run() {
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2021-08-23 14:06:00 +02:00
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let mut ui = Ui {
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state: State::EditRepo,
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2021-08-25 12:23:15 +02:00
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repo: repo_entry::RepoEntry::new("This is a text"),
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tags: tag_list::TagList::new(vec![String::from("editing Repository")]),
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2021-08-23 14:06:00 +02:00
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};
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//setup tui
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2021-08-25 12:23:15 +02:00
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let stdout = io::stdout().into_raw_mode().unwrap();
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2021-08-23 14:06:00 +02:00
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let backend = TermionBackend::new(stdout);
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2021-08-25 12:23:15 +02:00
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let mut terminal = Terminal::new(backend).unwrap();
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2021-08-23 14:06:00 +02:00
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//setup input thread
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let receiver = ui.spawn_stdin_channel();
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//core interaction loop
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'core: loop {
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//draw
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2021-08-25 12:23:15 +02:00
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terminal
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.draw(|rect| {
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([Constraint::Length(3), Constraint::Min(1)].as_ref())
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.split(rect.size());
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2021-08-23 14:06:00 +02:00
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2021-08-25 12:23:15 +02:00
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rect.render_widget(ui.repo.render(), chunks[0]);
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let (list, state) = ui.tags.render();
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rect.render_stateful_widget(list, chunks[1], state);
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})
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.unwrap();
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2021-08-23 14:06:00 +02:00
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//handle input
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match receiver.try_recv() {
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Ok(Key::Ctrl('q')) => break 'core, //quit program without saving
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Ok(Key::Ctrl('s')) => {
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if ui.state == State::SelectTag {
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//TODO save currently selected tag
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}
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}
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Ok(Key::Char('\n')) => {
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if ui.state == State::EditRepo {
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ui.state = State::SelectTag;
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ui.repo.confirm();
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//TODO query tags and show them switch
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2021-08-25 12:23:15 +02:00
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match tags::Tags::get_tags(ui.repo.get()) {
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Ok(lines) => ui.tags = tag_list::TagList::new(lines),
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Err(_) => (),
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}
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2021-08-23 14:06:00 +02:00
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}
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}
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Ok(Key::Down) => {
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if ui.state == State::SelectTag {
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ui.tags.next();
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}
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}
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Ok(Key::Up) => {
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if ui.state == State::SelectTag {
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ui.tags.previous();
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}
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}
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Ok(Key::Backspace) => {
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ui.state = State::EditRepo;
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ui.repo.input(Key::Backspace);
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2021-08-25 12:23:15 +02:00
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ui.tags = tag_list::TagList::new(vec![String::from("editing Repository")]);
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2021-08-23 14:06:00 +02:00
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}
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Ok(key) => {
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ui.state = State::EditRepo;
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ui.repo.input(key);
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2021-08-25 12:23:15 +02:00
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ui.tags = tag_list::TagList::new(vec![String::from("editing Repository")]);
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2021-08-23 14:06:00 +02:00
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}
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_ => (),
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}
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//sleep for 64ms (15 fps)
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2021-08-25 10:34:42 +02:00
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thread::sleep(std::time::Duration::from_millis(32));
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2021-08-23 14:06:00 +02:00
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}
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}
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pub fn spawn_stdin_channel(&self) -> mpsc::Receiver<termion::event::Key> {
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let (tx, rx) = mpsc::channel::<termion::event::Key>();
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thread::spawn(move || loop {
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let stdin = io::stdin();
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for c in stdin.keys() {
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tx.send(c.unwrap()).unwrap();
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}
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});
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thread::sleep(std::time::Duration::from_millis(64));
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rx
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}
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}
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