winit-sonoma-fix/examples/monitor_list.rs
Kirill Chibisov ed26dd58fd
Propagate error from EventLoop creation
Inner panics could make it hard to trouble shoot the issues and for some
users ints not desirable.

The inner panics were left only when they are used to `assert!` during
development.
2023-08-06 06:03:54 +04:00

59 lines
1.6 KiB
Rust

#![allow(clippy::single_match)]
use simple_logger::SimpleLogger;
use winit::dpi::{PhysicalPosition, PhysicalSize};
use winit::monitor::MonitorHandle;
use winit::{event_loop::EventLoop, window::WindowBuilder};
fn main() {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new().unwrap();
let window = WindowBuilder::new().build(&event_loop).unwrap();
if let Some(mon) = window.primary_monitor() {
print_info("Primary output", mon);
}
for mon in window.available_monitors() {
if Some(&mon) == window.primary_monitor().as_ref() {
continue;
}
println!();
print_info("Output", mon);
}
}
fn print_info(intro: &str, monitor: MonitorHandle) {
if let Some(name) = monitor.name() {
println!("{intro}: {name}");
} else {
println!("{intro}: [no name]");
}
let PhysicalSize { width, height } = monitor.size();
print!(" Current mode: {width}x{height}");
if let Some(m_hz) = monitor.refresh_rate_millihertz() {
println!(" @ {}.{} Hz", m_hz / 1000, m_hz % 1000);
} else {
println!();
}
let PhysicalPosition { x, y } = monitor.position();
println!(" Position: {x},{y}");
println!(" Scale factor: {}", monitor.scale_factor());
println!(" Available modes (width x height x bit-depth):");
for mode in monitor.video_modes() {
let PhysicalSize { width, height } = mode.size();
let bits = mode.bit_depth();
let m_hz = mode.refresh_rate_millihertz();
println!(
" {width}x{height}x{bits} @ {}.{} Hz",
m_hz / 1000,
m_hz % 1000
);
}
}