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use std::collections::HashMap;
use std::time;
use crate::commands;
use crate::commands::{CommandKeybind, JoshutoCommand};
use crate::config;
use crate::context::JoshutoContext;
use crate::error::JoshutoError;
use crate::preview;
use crate::ui;
use crate::window::JoshutoPanel;
use crate::window::JoshutoView;
fn recurse_get_keycommand(keymap: &HashMap<i32, CommandKeybind>) -> Option<&Box<JoshutoCommand>> {
let (term_rows, term_cols) = ui::getmaxyx();
ncurses::timeout(-1);
let ch: i32 = {
let keymap_len = keymap.len();
let win = JoshutoPanel::new(
keymap_len as i32 + 1,
term_cols,
((term_rows - keymap_len as i32 - 2) as usize, 0),
);
let mut display_vec: Vec<String> = keymap
.iter()
.map(|(k, v)| format!(" {}\t{}", *k as u8 as char, v))
.collect();
display_vec.sort();
win.move_to_top();
ui::display_options(&win, &display_vec);
ncurses::doupdate();
ncurses::wgetch(win.win)
};
ncurses::doupdate();
if ch == config::keymap::ESCAPE {
None
} else {
match keymap.get(&ch) {
Some(CommandKeybind::CompositeKeybind(m)) => recurse_get_keycommand(&m),
Some(CommandKeybind::SimpleKeybind(s)) => Some(s),
_ => None,
}
}
}
#[inline]
fn process_threads(context: &mut JoshutoContext, view: &JoshutoView) {
let thread_wait_duration: time::Duration = time::Duration::from_millis(100);
for i in 0..context.threads.len() {
match &context.threads[i].recv_timeout(&thread_wait_duration) {
Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {
ncurses::werase(view.bot_win.win);
let thread = context.threads.swap_remove(i);
let (tab_src, tab_dest) = (thread.tab_src, thread.tab_dest);
match thread.handle.join() {
Err(e) => {
ui::wprint_err(&view.bot_win, format!("{:?}", e).as_str());
ncurses::doupdate();
}
Ok(_) => {
if tab_src < context.tabs.len() {
let dirty_tab = &mut context.tabs[tab_src];
dirty_tab.reload_contents(&context.config_t.sort_option);
if tab_src == context.curr_tab_index {
dirty_tab.refresh(
view,
&context.config_t,
&context.username,
&context.hostname,
);
preview::preview_file(dirty_tab, view, &context.config_t);
}
}
if tab_dest != tab_src && tab_dest < context.tabs.len() {
let dirty_tab = &mut context.tabs[tab_dest];
dirty_tab.reload_contents(&context.config_t.sort_option);
if tab_src == context.curr_tab_index {
dirty_tab.refresh(
view,
&context.config_t,
&context.username,
&context.hostname,
);
preview::preview_file(dirty_tab, view, &context.config_t);
}
}
ncurses::doupdate();
}
};
}
_ => {}
}
}
}
#[inline]
fn resize_handler(context: &mut JoshutoContext, view: &JoshutoView) {
ui::redraw_tab_view(&view.tab_win, &context);
{
let curr_tab = &mut context.tabs[context.curr_tab_index];
curr_tab.refresh(
view,
&context.config_t,
&context.username,
&context.hostname,
);
preview::preview_file(curr_tab, view, &context.config_t);
}
ncurses::doupdate();
}
pub fn run(config_t: config::JoshutoConfig, keymap_t: config::JoshutoKeymap) {
ui::init_ncurses();
let mut context = JoshutoContext::new(config_t);
let mut view = JoshutoView::new(context.config_t.column_ratio);
match commands::NewTab::new_tab(&mut context, &view) {
Ok(_) => {}
Err(JoshutoError::IO(e)) => {
ui::wprint_err(&view.bot_win, e.to_string().as_str());
context.exit = true;
}
}
preview::preview_file(
&mut context.tabs[context.curr_tab_index],
&view,
&context.config_t,
);
ncurses::doupdate();
while !context.exit {
if !context.threads.is_empty() {
ncurses::timeout(0);
process_threads(&mut context, &view);
} else {
ncurses::timeout(-1);
}
if let Some(ch) = ncurses::get_wch() {
let ch = match ch {
ncurses::WchResult::Char(s) => s as i32,
ncurses::WchResult::KeyCode(s) => s,
};
if ch == ncurses::KEY_RESIZE {
view.resize_views();
resize_handler(&mut context, &view);
continue;
}
let keycommand: &Box<JoshutoCommand>;
match keymap_t.keymaps.get(&ch) {
Some(CommandKeybind::CompositeKeybind(m)) => match recurse_get_keycommand(&m) {
Some(s) => {
keycommand = s;
}
None => continue,
},
Some(CommandKeybind::SimpleKeybind(s)) => {
keycommand = s;
}
None => {
ui::wprint_err(&view.bot_win, &format!("Unknown keycode: {}", ch));
ncurses::doupdate();
continue;
}
}
match keycommand.execute(&mut context, &view) {
Ok(()) => {}
Err(JoshutoError::IO(e)) => {
ui::wprint_err(&view.bot_win, e.to_string().as_str());
ncurses::doupdate();
}
}
}
}
ui::end_ncurses();
}
|
