2016-06-30 03:56:12 +00:00
|
|
|
// Copyright 2016 Joe Wilm, The Alacritty Project Contributors
|
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
//
|
2016-05-25 03:55:51 +00:00
|
|
|
//! Alacritty - The GPU Enhanced Terminal
|
2016-12-17 06:13:51 +00:00
|
|
|
#![feature(plugin)]
|
|
|
|
#![cfg_attr(feature = "clippy", plugin(clippy))]
|
2016-10-14 23:38:15 +00:00
|
|
|
|
2016-11-20 00:16:20 +00:00
|
|
|
#[macro_use]
|
|
|
|
extern crate alacritty;
|
2016-06-06 23:54:15 +00:00
|
|
|
|
2016-12-11 06:44:13 +00:00
|
|
|
use std::error::Error;
|
2016-12-12 06:02:03 +00:00
|
|
|
use std::sync::Arc;
|
2016-06-28 02:46:24 +00:00
|
|
|
|
2016-12-11 06:44:13 +00:00
|
|
|
use alacritty::cli;
|
2016-11-20 00:16:20 +00:00
|
|
|
use alacritty::config::{self, Config};
|
2016-12-11 07:32:12 +00:00
|
|
|
use alacritty::display::Display;
|
2016-11-20 00:16:20 +00:00
|
|
|
use alacritty::event;
|
2016-12-26 23:33:27 +00:00
|
|
|
use alacritty::event_loop::{self, EventLoop};
|
2016-11-20 00:16:20 +00:00
|
|
|
use alacritty::sync::FairMutex;
|
2016-12-11 06:44:13 +00:00
|
|
|
use alacritty::term::{Term};
|
|
|
|
use alacritty::tty::{self, process_should_exit};
|
2016-06-30 03:14:37 +00:00
|
|
|
|
2016-06-10 03:39:40 +00:00
|
|
|
fn main() {
|
2016-06-30 16:04:06 +00:00
|
|
|
// Load configuration
|
2016-12-28 03:47:25 +00:00
|
|
|
let config = Config::load().unwrap_or_else(|err| {
|
|
|
|
match err {
|
2016-06-30 16:04:06 +00:00
|
|
|
// Use default config when not found
|
2016-12-05 00:27:20 +00:00
|
|
|
config::Error::NotFound => {
|
|
|
|
err_println!("Config file not found; using defaults");
|
2016-12-05 19:18:02 +00:00
|
|
|
Config::default()
|
2016-12-05 00:27:20 +00:00
|
|
|
},
|
|
|
|
|
|
|
|
// If there's a problem with the config file, print an error
|
|
|
|
// and exit.
|
2016-06-30 16:04:06 +00:00
|
|
|
_ => die!("{}", err),
|
2016-12-28 03:47:25 +00:00
|
|
|
}
|
|
|
|
});
|
2016-06-30 16:04:06 +00:00
|
|
|
|
2016-12-05 19:18:02 +00:00
|
|
|
// Load command line options
|
2016-12-05 00:27:20 +00:00
|
|
|
let options = cli::Options::load();
|
2016-11-20 00:16:20 +00:00
|
|
|
|
2016-12-10 19:27:53 +00:00
|
|
|
// Run alacritty
|
2016-12-11 06:44:13 +00:00
|
|
|
if let Err(err) = run(config, options) {
|
|
|
|
die!("{}", err);
|
|
|
|
}
|
|
|
|
|
|
|
|
println!("Goodbye");
|
2016-12-10 19:27:53 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/// Run Alacritty
|
|
|
|
///
|
2016-12-11 07:32:12 +00:00
|
|
|
/// Creates a window, the terminal state, pty, I/O event loop, input processor,
|
|
|
|
/// config change monitor, and runs the main display loop.
|
2016-12-17 07:12:44 +00:00
|
|
|
fn run(mut config: Config, options: cli::Options) -> Result<(), Box<Error>> {
|
2016-12-11 06:44:13 +00:00
|
|
|
// Create a display.
|
|
|
|
//
|
|
|
|
// The display manages a window and can draw the terminal
|
|
|
|
let mut display = Display::new(&config, &options)?;
|
|
|
|
|
2016-12-30 01:39:30 +00:00
|
|
|
println!(
|
|
|
|
"PTY Dimensions: {:?} x {:?}",
|
|
|
|
display.size().lines(),
|
|
|
|
display.size().cols()
|
|
|
|
);
|
|
|
|
|
2016-12-11 06:44:13 +00:00
|
|
|
// Create the terminal
|
|
|
|
//
|
|
|
|
// This object contains all of the state about what's being displayed. It's
|
|
|
|
// wrapped in a clonable mutex since both the I/O loop and display need to
|
|
|
|
// access it.
|
2016-12-30 02:38:22 +00:00
|
|
|
let terminal = Term::new(display.size().to_owned());
|
|
|
|
let terminal = Arc::new(FairMutex::new(terminal));
|
2016-12-11 06:44:13 +00:00
|
|
|
|
|
|
|
// Create the pty
|
|
|
|
//
|
|
|
|
// The pty forks a process to run the shell on the slave side of the
|
|
|
|
// pseudoterminal. A file descriptor for the master side is retained for
|
|
|
|
// reading/writing to the shell.
|
2016-12-12 17:31:48 +00:00
|
|
|
let mut pty = tty::new(display.size());
|
2016-11-12 01:40:12 +00:00
|
|
|
|
2016-12-11 06:44:13 +00:00
|
|
|
// Create the pseudoterminal I/O loop
|
|
|
|
//
|
|
|
|
// pty I/O is ran on another thread as to not occupy cycles used by the
|
|
|
|
// renderer and input processing. Note that access to the terminal state is
|
|
|
|
// synchronized since the I/O loop updates the state, and the display
|
|
|
|
// consumes it periodically.
|
2016-09-24 23:11:50 +00:00
|
|
|
let event_loop = EventLoop::new(
|
2016-09-18 18:17:44 +00:00
|
|
|
terminal.clone(),
|
2016-12-11 06:44:13 +00:00
|
|
|
display.notifier(),
|
|
|
|
pty.reader(),
|
2016-12-05 00:27:20 +00:00
|
|
|
options.ref_test,
|
2016-09-18 18:17:44 +00:00
|
|
|
);
|
2016-09-01 17:24:20 +00:00
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// The event loop channel allows write requests from the event processor
|
|
|
|
// to be sent to the loop and ultimately written to the pty.
|
2016-09-24 23:11:50 +00:00
|
|
|
let loop_tx = event_loop.channel();
|
|
|
|
|
2016-09-01 17:24:20 +00:00
|
|
|
// Event processor
|
2016-12-12 06:02:03 +00:00
|
|
|
//
|
|
|
|
// Need the Rc<RefCell<_>> here since a ref is shared in the resize callback
|
2016-12-12 17:31:48 +00:00
|
|
|
let mut processor = event::Processor::new(
|
2016-12-26 23:33:27 +00:00
|
|
|
event_loop::Notifier(loop_tx),
|
2016-12-11 07:32:12 +00:00
|
|
|
display.resize_channel(),
|
2016-11-20 00:16:20 +00:00
|
|
|
&config,
|
2016-12-05 00:27:20 +00:00
|
|
|
options.ref_test,
|
2016-12-29 20:30:30 +00:00
|
|
|
display.size().to_owned(),
|
2016-12-12 17:31:48 +00:00
|
|
|
);
|
2016-09-01 17:24:20 +00:00
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// Create a config monitor when config was loaded from path
|
|
|
|
//
|
|
|
|
// The monitor watches the config file for changes and reloads it. Pending
|
|
|
|
// config changes are processed in the main loop.
|
|
|
|
let config_monitor = config.path()
|
|
|
|
.map(|path| config::Monitor::new(path, display.notifier()));
|
2016-10-27 17:05:04 +00:00
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// Kick off the I/O thread
|
|
|
|
let io_thread = event_loop.spawn(None);
|
2016-10-27 17:05:04 +00:00
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// Main display loop
|
2016-09-01 17:24:20 +00:00
|
|
|
loop {
|
2016-12-11 07:32:12 +00:00
|
|
|
// Process input and window events
|
2016-12-30 02:38:22 +00:00
|
|
|
let mut terminal = processor.process_events(&terminal, display.window());
|
2016-09-01 17:24:20 +00:00
|
|
|
|
2016-12-04 23:48:12 +00:00
|
|
|
// Handle config reloads
|
2016-12-30 02:38:22 +00:00
|
|
|
config_monitor.as_ref()
|
2016-12-11 07:32:12 +00:00
|
|
|
.and_then(|monitor| monitor.pending_config())
|
2016-12-17 07:12:44 +00:00
|
|
|
.map(|new_config| {
|
2016-12-28 03:46:57 +00:00
|
|
|
config = new_config;
|
2016-12-11 07:32:12 +00:00
|
|
|
display.update_config(&config);
|
2016-12-12 17:31:48 +00:00
|
|
|
processor.update_config(&config);
|
2016-12-30 02:38:22 +00:00
|
|
|
terminal.dirty = true;
|
|
|
|
});
|
2016-10-27 17:05:04 +00:00
|
|
|
|
2016-09-01 17:24:20 +00:00
|
|
|
// Maybe draw the terminal
|
2016-12-30 02:38:22 +00:00
|
|
|
if terminal.needs_draw() {
|
2016-12-12 17:31:48 +00:00
|
|
|
// Handle pending resize events
|
|
|
|
//
|
|
|
|
// The second argument is a list of types that want to be notified
|
|
|
|
// of display size changes.
|
|
|
|
display.handle_resize(&mut terminal, &mut [&mut pty, &mut processor]);
|
|
|
|
|
|
|
|
// Draw the current state of the terminal
|
2016-12-22 18:43:06 +00:00
|
|
|
display.draw(terminal, &config, &processor.selection);
|
2016-09-01 17:24:20 +00:00
|
|
|
}
|
2016-08-30 02:23:04 +00:00
|
|
|
|
2016-12-04 23:48:12 +00:00
|
|
|
// Begin shutdown if the flag was raised.
|
2016-09-01 17:24:20 +00:00
|
|
|
if process_should_exit() {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2016-09-01 04:16:17 +00:00
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// FIXME patch notify library to have a shutdown method
|
2016-10-27 17:05:04 +00:00
|
|
|
// config_reloader.join().ok();
|
|
|
|
|
2016-12-11 07:32:12 +00:00
|
|
|
// Wait for the I/O thread thread to finish
|
|
|
|
let _ = io_thread.join();
|
2016-12-11 06:44:13 +00:00
|
|
|
|
|
|
|
Ok(())
|
2016-08-30 02:23:04 +00:00
|
|
|
}
|