use std::collections::VecDeque; use std::sync::Arc; use super::XConnection; use native_monitor::NativeMonitorId; #[derive(Clone)] pub struct MonitorId(pub Arc, pub u32); pub fn get_available_monitors(x: &Arc) -> VecDeque { 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) -> 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 { 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) } }