extern crate sdl2;
use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
pub fn main() -> Result<(), String> {
let sdl_context = sdl2::init()?;
let video_subsystem = sdl_context.video()?;
let window = video_subsystem
.window("rust-sdl2 demo: Window", 800, 600)
.resizable()
.build()
.map_err(|e| e.to_string())?;
let mut canvas = window
.into_canvas()
.present_vsync()
.build()
.map_err(|e| e.to_string())?;
let mut tick = 0;
let mut event_pump = sdl_context.event_pump().map_err(|e| e.to_string())?;
'running: loop {
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
| Event::KeyDown {
keycode: Some(Keycode::Escape),
..
} => break 'running,
_ => {}
}
}
{
let window = canvas.window_mut();
let position = window.position();
let size = window.size();
let title = format!(
"Window - pos({}x{}), size({}x{}): {}",
position.0, position.1, size.0, size.1, tick
);
window.set_title(&title).map_err(|e| e.to_string())?;
tick += 1;
}
canvas.set_draw_color(Color::RGB(0, 0, 0));
canvas.clear();
canvas.present();
}
Ok(())
}