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use std::collections::VecDeque;
use std::sync::Arc;
use super::XConnection;
use native_monitor::NativeMonitorId;
#[derive(Clone)]
pub struct MonitorId(pub Arc<XConnection>, pub u32);
pub fn get_available_monitors(x: &Arc<XConnection>) -> VecDeque<MonitorId> {
let nb_monitors = unsafe { (x.xlib.XScreenCount)(x.display) };
x.check_errors().expect("Failed to call XScreenCount");
let mut monitors = VecDeque::new();
monitors.extend((0 .. nb_monitors).map(|i| MonitorId(x.clone(), i as u32)));
monitors
}
#[inline]
pub fn get_primary_monitor(x: &Arc<XConnection>) -> MonitorId {
let primary_monitor = unsafe { (x.xlib.XDefaultScreen)(x.display) };
x.check_errors().expect("Failed to call XDefaultScreen");
MonitorId(x.clone(), primary_monitor as u32)
}
impl MonitorId {
pub fn get_name(&self) -> Option<String> {
let MonitorId(_, screen_num) = *self;
Some(format!("Monitor #{}", screen_num))
}
#[inline]
pub fn get_native_identifier(&self) -> NativeMonitorId {
NativeMonitorId::Numeric(self.1)
}
pub fn get_dimensions(&self) -> (u32, u32) {
let screen = unsafe { (self.0.xlib.XScreenOfDisplay)(self.0.display, self.1 as i32) };
let width = unsafe { (self.0.xlib.XWidthOfScreen)(screen) };
let height = unsafe { (self.0.xlib.XHeightOfScreen)(screen) };
self.0.check_errors().expect("Failed to get monitor dimensions");
(width as u32, height as u32)
}
}
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