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