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use libctru::console::*;
use libctru::libc;
use gfx::Screen;
use std::fmt::{self, Write};
use std::default::Default;
use std::ptr;
pub struct Console {
context: PrintConsole,
}
impl Console {
pub fn init(screen: Screen) -> Self {
let ret = unsafe { *(consoleInit(screen.into(), ptr::null_mut())) };
Console { context: ret }
}
pub fn set_window(&mut self, x: i32, y: i32, width: i32, height: i32) {
unsafe { consoleSetWindow(&mut self.context, x, y, width, height) }
}
pub fn clear(&mut self) {
unsafe { consoleClear() }
}
}
impl Default for Console {
fn default() -> Self {
let ret = unsafe { *(consoleInit(Screen::Top.into(), ptr::null_mut())) };
Console { context: ret }
}
}
impl Write for Console {
fn write_str(&mut self, s: &str) -> fmt::Result {
// Writing 0 bytes to the console fails
if s.is_empty() {
return Ok(())
}
unsafe { consoleSelect(&mut self.context); }
let ret = unsafe { libc::write(libc::STDOUT_FILENO, s.as_ptr() as *const _, s.len()) };
if ret == s.len() as isize {
Ok(())
} else {
Err(fmt::Error)
}
}
}
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