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Fix off-by-1 errors on termion

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Termion's Goto is 1-based, Cursive's print_at is 0-based
This commit is contained in:
Alexandre Bury 2017-01-19 13:44:49 -08:00
parent 06ce7b570f
commit dccce56f6e
1 changed files with 11 additions and 23 deletions
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34
src/backend/termion.rs
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@ -3,6 +3,7 @@ extern crate termion;
extern crate chan_signal;
use ::backend;
use chan;
use ::event::{Event, Key};
use self::termion::color as tcolor;
use self::termion::event::Key as TKey;
@ -15,7 +16,6 @@ use std::fmt;
use std::io::Write;
use std::thread;
use std::time;
use chan;
use ::theme;
@ -84,13 +84,9 @@ impl backend::Backend for Concrete {
let terminal = ::std::io::stdout().into_raw_mode().unwrap();
let (sender, receiver) = chan::async();
// TODO: use signal_chan crate
thread::spawn(move || {
for key in ::std::io::stdin().keys() {
if let Ok(key) = key {
sender.send(map_key(key))
}
thread::spawn(move || for key in ::std::io::stdin().keys() {
if let Ok(key) = key {
sender.send(map_key(key))
}
});
@ -108,7 +104,10 @@ impl backend::Backend for Concrete {
fn finish(&mut self) {
print!("{}{}", termion::cursor::Show, termion::cursor::Goto(1, 1));
print!("{}[49m{}[39m{}", 27 as char, 27 as char, termion::clear::All);
print!("{}[49m{}[39m{}",
27 as char,
27 as char,
termion::clear::All);
}
fn init_color_style(&mut self, style: theme::ColorStyle,
@ -120,10 +119,6 @@ impl backend::Backend for Concrete {
}
fn with_color<F: FnOnce()>(&self, color: theme::ColorStyle, f: F) {
// TODO: actually use colors
// TODO: careful! need to remember the previous state
// and apply it back
let current_style = self.current_style.get();
self.apply_colorstyle(color);
@ -136,9 +131,6 @@ impl backend::Backend for Concrete {
}
fn with_effect<F: FnOnce()>(&self, effect: theme::Effect, f: F) {
// TODO: actually use effects
// TODO: careful! need to remember the previous state
// and apply it back
effect.on();
f();
effect.off();
@ -164,20 +156,16 @@ impl backend::Backend for Concrete {
}
fn print_at(&self, (x, y): (usize, usize), text: &str) {
// TODO: terminals are 1-based. Should we add 1 here?
print!("{}{}", termion::cursor::Goto(x as u16, y as u16), text);
print!("{}{}",
termion::cursor::Goto(1 + x as u16, 1 + y as u16),
text);
}
fn set_refresh_rate(&mut self, fps: u32) {
// TODO: handle async refresh, when no input is entered.
// Could be done with a timeout on the event polling,
// if it was supportedd.
self.timeout = Some(1000 / fps as u32);
}
fn poll_event(&self) -> Event {
// TODO: select! on the input and SIGWINCH signal channel.
// TODO: also handle timeout... recv_timeout?
let input = &self.input;
let resize = &self.resize;