114 lines
4.1 KiB
Rust
114 lines
4.1 KiB
Rust
mod state;
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use colored::*;
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use state::{refresh_directory, FsEntry, State};
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use std::{cmp::min, time::Instant};
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use zellij_tile::prelude::*;
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register_plugin!(State);
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impl ZellijPlugin for State {
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fn load(&mut self) {
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refresh_directory(self);
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subscribe(&[EventType::Key, EventType::Mouse]);
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}
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fn update(&mut self, event: Event) {
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let prev_event = if self.ev_history.len() == 2 {
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self.ev_history.pop_front()
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} else {
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None
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};
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self.ev_history.push_back((event.clone(), Instant::now()));
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match event {
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Event::Key(key) => match key {
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Key::Up | Key::Char('k') => {
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*self.selected_mut() = self.selected().saturating_sub(1);
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},
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Key::Down | Key::Char('j') => {
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let next = self.selected().saturating_add(1);
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*self.selected_mut() = min(self.files.len().saturating_sub(1), next);
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},
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Key::Right | Key::Char('\n') | Key::Char('l') if !self.files.is_empty() => {
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self.traverse_dir_or_open_file();
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self.ev_history.clear();
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},
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Key::Left | Key::Char('h') => {
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if self.path.components().count() > 2 {
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// don't descend into /host
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// the reason this is a hard-coded number (2) and not "== ROOT"
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// or some such is that there are certain cases in which self.path
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// is empty and this will work then too
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self.path.pop();
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refresh_directory(self);
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}
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},
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Key::Char('.') => {
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self.toggle_hidden_files();
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refresh_directory(self);
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},
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_ => (),
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},
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Event::Mouse(mouse_event) => match mouse_event {
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Mouse::ScrollDown(_) => {
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let next = self.selected().saturating_add(1);
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*self.selected_mut() = min(self.files.len().saturating_sub(1), next);
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},
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Mouse::ScrollUp(_) => {
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*self.selected_mut() = self.selected().saturating_sub(1);
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},
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Mouse::Release(line, _) => {
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if line < 0 {
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return;
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}
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let mut should_select = true;
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if let Some((Event::Mouse(Mouse::Release(prev_line, _)), t)) = prev_event {
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if prev_line == line
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&& Instant::now().saturating_duration_since(t).as_millis() < 400
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{
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self.traverse_dir_or_open_file();
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self.ev_history.clear();
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should_select = false;
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}
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}
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if should_select && self.scroll() + (line as usize) < self.files.len() {
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*self.selected_mut() = self.scroll() + (line as usize);
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}
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},
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_ => {},
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},
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_ => {
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dbg!("Unknown event {:?}", event);
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},
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}
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}
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fn render(&mut self, rows: usize, cols: usize) {
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for i in 0..rows {
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if self.selected() < self.scroll() {
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*self.scroll_mut() = self.selected();
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}
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if self.selected() - self.scroll() + 2 > rows {
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*self.scroll_mut() = self.selected() + 2 - rows;
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}
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let i = self.scroll() + i;
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if let Some(entry) = self.files.get(i) {
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let mut path = entry.as_line(cols).normal();
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if let FsEntry::Dir(..) = entry {
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path = path.dimmed().bold();
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}
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if i == self.selected() {
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println!("{}", path.reversed());
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} else {
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println!("{}", path);
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}
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} else {
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println!();
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}
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}
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}
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}
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