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Ncurses backend: write mouse command to /dev/tty

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This commit is contained in:
Alexandre Bury 2018-04-08 22:51:51 -07:00
parent b34fb14957
commit 2729e77838
1 changed files with 11 additions and 2 deletions
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13
src/backend/curses/n.rs
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@ -8,6 +8,8 @@ use libc;
use std::cell::{Cell, RefCell}; use std::cell::{Cell, RefCell};
use std::collections::HashMap; use std::collections::HashMap;
use std::ffi::CString; use std::ffi::CString;
use std::fs::File;
use std::io;
use std::io::{stdout, Write}; use std::io::{stdout, Write};
use theme::{Color, ColorPair, Effect}; use theme::{Color, ColorPair, Effect};
use utf8; use utf8;
@ -23,6 +25,13 @@ pub struct Backend {
event_queue: Vec<Event>, event_queue: Vec<Event>,
} }
fn write_to_tty(bytes: &[u8]) -> io::Result<()> {
let mut tty_output =
File::create("/dev/tty").expect("cursive can only run with a tty");
tty_output.write_all(bytes)?;
Ok(())
}
impl Backend { impl Backend {
pub fn init() -> Box<backend::Backend> { pub fn init() -> Box<backend::Backend> {
// Change the locale. // Change the locale.
@ -60,7 +69,7 @@ impl Backend {
// This asks the terminal to provide us with mouse drag events // This asks the terminal to provide us with mouse drag events
// (Mouse move when a button is pressed). // (Mouse move when a button is pressed).
// Replacing 1002 with 1003 would give us ANY mouse move. // Replacing 1002 with 1003 would give us ANY mouse move.
print!("\x1B[?1002h"); write_to_tty(b"\x1B[?1002h").unwrap();
stdout().flush().expect("could not flush stdout"); stdout().flush().expect("could not flush stdout");
let c = Backend { let c = Backend {
@ -216,7 +225,7 @@ impl backend::Backend for Backend {
} }
fn finish(&mut self) { fn finish(&mut self) {
print!("\x1B[?1002l"); write_to_tty(b"\x1B[?1002l").unwrap();
stdout().flush().expect("could not flush stdout"); stdout().flush().expect("could not flush stdout");
ncurses::endwin(); ncurses::endwin();
} }