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use std::{ptr};
use super::super::ffi;
pub struct MonitorID(pub uint);
pub fn get_available_monitors() -> Vec<MonitorID> {
let nb_monitors = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
if display.is_null() {
fail!("get_available_monitors failed");
}
let nb_monitors = ffi::XScreenCount(display);
ffi::XCloseDisplay(display);
nb_monitors
};
let mut vec = Vec::new();
vec.grow_fn(nb_monitors as uint, |i| MonitorID(i));
vec
}
pub fn get_primary_monitor() -> MonitorID {
let primary_monitor = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
if display.is_null() {
fail!("get_available_monitors failed");
}
let primary_monitor = ffi::XDefaultScreen(display);
ffi::XCloseDisplay(display);
primary_monitor
};
MonitorID(primary_monitor as uint)
}
impl MonitorID {
pub fn get_name(&self) -> Option<String> {
let MonitorID(screen_num) = *self;
Some(format!("Monitor #{}", screen_num))
}
pub fn get_dimensions(&self) -> (uint, uint) {
let dimensions = unsafe {
let display = ffi::XOpenDisplay(ptr::null());
let MonitorID(screen_num) = *self;
let screen = ffi::XScreenOfDisplay(display, screen_num as i32);
let width = ffi::XWidthOfScreen(screen);
let height = ffi::XHeightOfScreen(screen);
(width as uint, height as uint)
};
dimensions
}
}
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