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|
use std::collections::HashMap;
use std::sync::{Arc, Mutex};
use serde::Serialize;
use zbus::fdo::RequestNameFlags;
use zbus::zvariant::{self, OwnedValue, Type};
use zbus::{dbus_interface, fdo, SignalContext};
use super::Start;
use crate::backend::IpcOutputMap;
pub struct DisplayConfig {
ipc_outputs: Arc<Mutex<IpcOutputMap>>,
}
#[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, LogicalMonitor)> = self
.ipc_outputs
.lock()
.unwrap()
.iter()
// Take only enabled outputs.
.filter(|(_, output)| output.current_mode.is_some() && output.logical.is_some())
.map(|(c, output)| {
// 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),
);
let mut modes: Vec<Mode> = output
.modes
.iter()
.map(|m| {
let niri_ipc::Mode {
width,
height,
refresh_rate,
is_preferred,
} = *m;
let refresh = refresh_rate as f64 / 1000.;
Mode {
id: format!("{width}x{height}@{refresh:.3}"),
width: i32::from(width),
height: i32::from(height),
refresh_rate: refresh,
preferred_scale: 1.,
supported_scales: vec![1., 2., 3.],
properties: HashMap::from([(
String::from("is-preferred"),
OwnedValue::from(is_preferred),
)]),
}
})
.collect();
modes[output.current_mode.unwrap()]
.properties
.insert(String::from("is-current"), OwnedValue::from(true));
let monitor = Monitor {
names: (c.clone(), String::new(), String::new(), serial),
modes,
properties,
};
let logical = output.logical.as_ref().unwrap();
let transform = match logical.transform {
niri_ipc::Transform::Normal => 0,
niri_ipc::Transform::_90 => 1,
niri_ipc::Transform::_180 => 2,
niri_ipc::Transform::_270 => 3,
niri_ipc::Transform::Flipped => 4,
niri_ipc::Transform::Flipped90 => 5,
niri_ipc::Transform::Flipped180 => 6,
niri_ipc::Transform::Flipped270 => 7,
};
let logical_monitor = LogicalMonitor {
x: logical.x,
y: logical.y,
scale: logical.scale,
transform,
is_primary: false,
monitors: vec![monitor.names.clone()],
properties: HashMap::new(),
};
(monitor, logical_monitor)
})
.collect();
// Sort the built-in monitor first, then by connector name.
monitors.sort_unstable_by(|a, b| {
let a_is_builtin = a.0.properties.contains_key("display-name");
let b_is_builtin = b.0.properties.contains_key("display-name");
a_is_builtin
.cmp(&b_is_builtin)
.reverse()
.then_with(|| a.0.names.0.cmp(&b.0.names.0))
});
let (monitors, logical_monitors) = monitors.into_iter().unzip();
let properties = HashMap::from([(String::from("layout-mode"), OwnedValue::from(1u32))]);
Ok((0, monitors, logical_monitors, properties))
}
#[dbus_interface(signal)]
pub async fn monitors_changed(ctxt: &SignalContext<'_>) -> zbus::Result<()>;
}
impl DisplayConfig {
pub fn new(ipc_outputs: Arc<Mutex<IpcOutputMap>>) -> Self {
Self { ipc_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)
}
}
|
