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|
use std::collections::HashMap;
use std::sync::{Arc, Mutex};
use serde::Serialize;
use smithay::output::Output;
use zbus::fdo::RequestNameFlags;
use zbus::zvariant::{self, OwnedValue, Type};
use zbus::{dbus_interface, fdo, SignalContext};
use super::Start;
pub struct DisplayConfig {
enabled_outputs: Arc<Mutex<HashMap<String, Output>>>,
}
#[derive(Serialize, Type)]
pub struct Monitor {
names: (String, String, String, String),
modes: Vec<Mode>,
properties: HashMap<String, OwnedValue>,
}
#[derive(Serialize, Type)]
pub struct Mode {
id: String,
width: i32,
height: i32,
refresh_rate: f64,
preferred_scale: f64,
supported_scales: Vec<f64>,
properties: HashMap<String, OwnedValue>,
}
#[derive(Serialize, Type)]
pub struct LogicalMonitor {
x: i32,
y: i32,
scale: f64,
transform: u32,
is_primary: bool,
monitors: Vec<(String, String, String, String)>,
properties: HashMap<String, OwnedValue>,
}
#[dbus_interface(name = "org.gnome.Mutter.DisplayConfig")]
impl DisplayConfig {
async fn get_current_state(
&self,
) -> fdo::Result<(
u32,
Vec<Monitor>,
Vec<LogicalMonitor>,
HashMap<String, OwnedValue>,
)> {
// Construct the DBus response.
let mut monitors: Vec<Monitor> = self
.enabled_outputs
.lock()
.unwrap()
.keys()
.map(|c| {
// Loosely matches the check in Mutter.
let is_laptop_panel = matches!(c.get(..4), Some("eDP-" | "LVDS" | "DSI-"));
// FIXME: use proper serial when we have libdisplay-info.
// A serial is required for correct session restore by xdp-gnome.
let serial = c.clone();
let mut properties = HashMap::new();
if is_laptop_panel {
properties.insert(
String::from("display-name"),
OwnedValue::from(zvariant::Str::from_static("Built-in display")),
);
}
properties.insert(
String::from("is-builtin"),
OwnedValue::from(is_laptop_panel),
);
Monitor {
names: (c.clone(), String::new(), String::new(), serial),
modes: vec![],
properties,
}
})
.collect();
// Sort the built-in monitor first, then by connector name.
monitors.sort_unstable_by(|a, b| {
let a_is_builtin = a.properties.contains_key("display-name");
let b_is_builtin = b.properties.contains_key("display-name");
a_is_builtin
.cmp(&b_is_builtin)
.reverse()
.then_with(|| a.names.0.cmp(&b.names.0))
});
let logical_monitors = monitors
.iter()
.map(|m| LogicalMonitor {
x: 0,
y: 0,
scale: 1.,
transform: 0,
is_primary: false,
monitors: vec![m.names.clone()],
properties: HashMap::new(),
})
.collect();
Ok((0, monitors, logical_monitors, HashMap::new()))
}
#[dbus_interface(signal)]
pub async fn monitors_changed(ctxt: &SignalContext<'_>) -> zbus::Result<()>;
}
impl DisplayConfig {
pub fn new(enabled_outputs: Arc<Mutex<HashMap<String, Output>>>) -> Self {
Self { enabled_outputs }
}
}
impl Start for DisplayConfig {
fn start(self) -> anyhow::Result<zbus::blocking::Connection> {
let conn = zbus::blocking::Connection::session()?;
let flags = RequestNameFlags::AllowReplacement
| RequestNameFlags::ReplaceExisting
| RequestNameFlags::DoNotQueue;
conn.object_server()
.at("/org/gnome/Mutter/DisplayConfig", self)?;
conn.request_name_with_flags("org.gnome.Mutter.DisplayConfig", flags)?;
Ok(conn)
}
}
|
