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use termion::event::{Event, Key};
use crate::commands::cursor_move;
use crate::config::clean::keymap::AppKeyMapping;
use crate::context::AppContext;
use crate::error::{AppError, AppErrorKind, AppResult};
use crate::event::process_event;
use crate::event::AppEvent;
use crate::key_command::{CommandKeybind, NumberedExecute};
use crate::ui::views::TuiView;
use crate::ui::AppBackend;
pub fn numbered_command(
context: &mut AppContext,
backend: &mut AppBackend,
keymap: &AppKeyMapping,
first_char: char,
) -> AppResult {
context.flush_event();
let mut prefix = String::from(first_char);
loop {
context.message_queue_mut().push_info(prefix.clone());
backend.render(TuiView::new(context));
context.message_queue_mut().pop_front();
let event = match context.poll_event() {
Ok(event) => event,
Err(_) => return Ok(()),
};
let num_prefix = match prefix.parse::<usize>() {
Ok(n) => n,
Err(_) => {
context.message_queue_mut().pop_front();
return Err(AppError::new(
AppErrorKind::ParseError,
"Number is too big".to_string(),
));
}
};
match event {
AppEvent::Termion(event) => {
match event {
Event::Key(Key::Esc) => return Ok(()),
Event::Key(Key::Char('g')) => {
cursor_move::cursor_move(context, num_prefix - 1);
return Ok(());
}
Event::Key(Key::Char(c)) if c.is_numeric() => {
prefix.push(c);
}
key => match keymap.default_view.get(&key) {
Some(CommandKeybind::SimpleKeybind { commands, .. }) => {
for command in commands {
let _ =
command.numbered_execute(num_prefix, context, backend, keymap);
}
return Ok(());
}
_ => {
return Err(AppError::new(
AppErrorKind::UnrecognizedCommand,
"Command cannot be prefixed by a number or does not exist"
.to_string(),
));
}
},
}
context.flush_event();
}
event => process_event::process_noninteractive(event, context),
}
}
}
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