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|
use std::sync::{Arc, Weak};
use wayland_client::{
globals::{BindError, GlobalList},
protocol::wl_output,
Connection, Dispatch, QueueHandle,
};
use protocol::{zriver_output_status_v1, zriver_status_manager_v1};
#[derive(Debug, Clone)]
pub struct RiverStatusState {
status_manager: zriver_status_manager_v1::ZriverStatusManagerV1,
output_statuses: Vec<Weak<OutputStatusInner>>,
}
impl RiverStatusState {
pub fn new<D>(globals: &GlobalList, qh: &QueueHandle<D>) -> Result<Self, BindError>
where
D: Dispatch<zriver_status_manager_v1::ZriverStatusManagerV1, (), D> + 'static,
{
let status_manager = globals.bind(qh, 1..=3, ())?;
Ok(Self {
status_manager,
output_statuses: Vec::new(),
})
}
pub fn get_output_status(
&self,
status: &zriver_output_status_v1::ZriverOutputStatusV1,
) -> Option<RiverOutputStatus> {
self.output_statuses
.iter()
.filter_map(Weak::upgrade)
.find(|inner| &inner.status == status)
.map(RiverOutputStatus)
}
#[must_use = "The output status is destroyed if dropped"]
pub fn new_output_status<D>(
&mut self,
qh: &QueueHandle<D>,
output: &wl_output::WlOutput,
) -> RiverOutputStatus
where
D: Dispatch<zriver_status_manager_v1::ZriverStatusManagerV1, ()>
+ Dispatch<zriver_output_status_v1::ZriverOutputStatusV1, RiverStatusData>
+ 'static,
{
let output_status =
self.status_manager
.get_river_output_status(output, qh, RiverStatusData {});
let output_status = RiverOutputStatus(Arc::new(OutputStatusInner {
status: output_status,
}));
self.output_statuses.push(Arc::downgrade(&output_status.0));
output_status
}
}
pub trait RiverStatusHandler: Sized {
fn river_status_state(&mut self) -> &mut RiverStatusState;
fn focused_tags_updated(
&mut self,
conn: &Connection,
qh: &QueueHandle<Self>,
output_status: &RiverOutputStatus,
focused: u32,
);
fn urgent_tags_updated(
&mut self,
conn: &Connection,
qh: &QueueHandle<Self>,
output_status: &RiverOutputStatus,
urgent: u32,
);
fn views_tags_updated(
&mut self,
conn: &Connection,
qh: &QueueHandle<Self>,
output_status: &RiverOutputStatus,
tags: Vec<u32>,
);
fn layout_name_updated(
&mut self,
conn: &Connection,
qh: &QueueHandle<Self>,
output_status: &RiverOutputStatus,
layout_name: Option<String>,
);
}
#[derive(Debug, Clone)]
pub struct RiverOutputStatus(Arc<OutputStatusInner>);
impl PartialEq for RiverOutputStatus {
fn eq(&self, other: &Self) -> bool {
Arc::ptr_eq(&self.0, &other.0)
}
}
#[derive(Debug)]
pub struct RiverStatusData {
// This is empty right now, but may be populated in the future.
}
#[macro_export]
macro_rules! delegate_river_status {
($ty: ty) => {
::smithay_client_toolkit::reexports::client::delegate_dispatch!($ty: [
$crate::river_protocols::status::protocol::zriver_status_manager_v1::ZriverStatusManagerV1: ()
] => $crate::river_protocols::status::RiverStatusState);
::smithay_client_toolkit::reexports::client::delegate_dispatch!($ty: [
$crate::river_protocols::status::protocol::zriver_output_status_v1::ZriverOutputStatusV1: $crate::river_protocols::status::RiverStatusData
] => $crate::river_protocols::status::RiverStatusState);
};
}
#[derive(Debug)]
struct OutputStatusInner {
status: zriver_output_status_v1::ZriverOutputStatusV1,
}
impl Drop for OutputStatusInner {
fn drop(&mut self) {
self.status.destroy();
}
}
impl<D> Dispatch<zriver_status_manager_v1::ZriverStatusManagerV1, (), D> for RiverStatusState
where
D: Dispatch<zriver_status_manager_v1::ZriverStatusManagerV1, ()> + RiverStatusHandler + 'static,
{
fn event(
_: &mut D,
_: &zriver_status_manager_v1::ZriverStatusManagerV1,
_: zriver_status_manager_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<D>,
) {
unreachable!("zriver_status_manager_v1 has no events")
}
}
impl<D> Dispatch<zriver_output_status_v1::ZriverOutputStatusV1, RiverStatusData, D>
for RiverStatusState
where
D: Dispatch<zriver_output_status_v1::ZriverOutputStatusV1, RiverStatusData>
+ RiverStatusHandler
+ 'static,
{
fn event(
data: &mut D,
status: &zriver_output_status_v1::ZriverOutputStatusV1,
event: zriver_output_status_v1::Event,
_udata: &RiverStatusData,
conn: &Connection,
qh: &QueueHandle<D>,
) {
use zriver_output_status_v1::Event;
// Remove any statuses that have been dropped
data.river_status_state()
.output_statuses
.retain(|status| status.upgrade().is_some());
if let Some(status) = data.river_status_state().get_output_status(status) {
match event {
Event::FocusedTags { tags } => data.focused_tags_updated(conn, qh, &status, tags),
Event::UrgentTags { tags } => data.urgent_tags_updated(conn, qh, &status, tags),
Event::ViewTags { tags } => {
let tags = tags
.chunks_exact(4)
.map(|bytes| u32::from_ne_bytes(bytes.try_into().unwrap()))
.collect();
data.views_tags_updated(conn, qh, &status, tags);
}
Event::LayoutName { name } => {
data.layout_name_updated(conn, qh, &status, Some(name))
}
Event::LayoutNameClear => data.layout_name_updated(conn, qh, &status, None),
}
}
}
}
pub mod protocol {
#![allow(non_upper_case_globals)]
use smithay_client_toolkit::reexports::client as wayland_client;
use smithay_client_toolkit::reexports::client::protocol::*;
pub mod __interfaces {
use smithay_client_toolkit::reexports::client::protocol::__interfaces::*;
wayland_scanner::generate_interfaces!("protocols/river-status-unstable-v1.xml");
}
use self::__interfaces::*;
wayland_scanner::generate_client_code!("protocols/river-status-unstable-v1.xml");
}
|
