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#![cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd"))]
extern crate glutin;
use std::env;
use std::u64;
use std::process::exit;
mod support;
use glutin::os::unix::WindowBuilderExt;
fn resize_callback(width: u32, height: u32) {
println!("Window resized to {}x{}", width, height);
}
fn usage() {
println!("This example requires a single argument (a hex/decimal X Window ID");
println!("You can find this with, eg, 'xwininfo -tree'");
}
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() != 2 {
usage();
exit(-1);
}
let window_id_parse = {
if (&args[1]).starts_with("0x") {
u64::from_str_radix(args[1].trim_left_matches('0').trim_left_matches('x'), 16)
} else {
args[1].parse::<u64>()
}
};
let window_id = window_id_parse.expect("Failed to parse numerical arg");
let mut window = glutin::WindowBuilder::new()
.from_existing_window(window_id)
.build()
.unwrap();
window.set_window_resize_callback(Some(resize_callback as fn(u32, u32)));
let _ = unsafe { window.make_current() };
println!("Pixel format of the window: {:?}", window.get_pixel_format());
let context = support::load(&window);
println!("Mouse over target window to draw; events will be printed here");
for event in window.wait_events() {
context.draw_frame((0.0, 1.0, 0.0, 1.0));
let _ = window.swap_buffers();
println!("{:?}", event);
match event {
glutin::Event::Closed => break,
_ => ()
}
}
}
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