autocommit 2022-01-06 19:08:32 CET

src/ifs/wl_output/mod.rs

@@ -1 +1,223 @@
+mod types;
+
+use crate::backend::Output;
+use crate::client::{AddObj, Client, ClientId, DynEventFormatter, WlEvent};
+use crate::globals::{Global, GlobalName};
+use crate::object::{Interface, Object, ObjectId};
+use crate::utils::buffd::MsgParser;
+use crate::utils::copyhashmap::CopyHashMap;
+use ahash::AHashMap;
+use std::cell::Cell;
+use std::iter;
+use std::rc::Rc;
+pub use types::*;
+
 id!(WlOutputId);
+
+const RELEASE: u32 = 0;
+
+const GEOMETRY: u32 = 0;
+const MODE: u32 = 1;
+const DONE: u32 = 2;
+const SCALE: u32 = 3;
+
+const SP_UNKNOWN: i32 = 0;
+const SP_NONE: i32 = 1;
+const SP_HORIZONTAL_RGB: i32 = 2;
+const SP_HORIZONTAL_BGR: i32 = 3;
+const SP_VERTICAL_RGB: i32 = 4;
+const SP_VERTICAL_BGR: i32 = 5;
+
+const TF_NORMAL: i32 = 0;
+const TF_90: i32 = 1;
+const TF_180: i32 = 2;
+const TF_270: i32 = 3;
+const TF_FLIPPED: i32 = 4;
+const TF_FLIPPED_90: i32 = 5;
+const TF_FLIPPED_180: i32 = 6;
+const TF_FLIPPED_270: i32 = 7;
+
+const MODE_CURRENT: u32 = 1;
+const MODE_PREFERRED: u32 = 2;
+
+pub struct WlOutputGlobal {
+    name: GlobalName,
+    output: Rc<dyn Output>,
+    width: Cell<u32>,
+    height: Cell<u32>,
+    bindings: CopyHashMap<(ClientId, WlOutputId), Rc<WlOutputObj>>,
+}
+
+impl WlOutputGlobal {
+    pub fn new(name: GlobalName, output: &Rc<dyn Output>) -> Self {
+        Self {
+            name,
+            output: output.clone(),
+            width: Cell::new(output.width()),
+            height: Cell::new(output.height()),
+            bindings: Default::default(),
+        }
+    }
+
+    pub async fn update_properties(&self) {
+        let width = self.output.width();
+        let height = self.output.height();
+
+        let mut changed = false;
+        changed |= self.width.replace(width) != width;
+        changed |= self.height.replace(height) != height;
+
+        if changed {
+            let mut clients = AHashMap::new();
+            {
+                let bindings = self.bindings.lock();
+                for binding in bindings.values() {
+                    let events = [
+                        binding.geometry(),
+                        binding.mode(),
+                        binding.scale(),
+                        binding.done(),
+                    ];
+                    let events = events
+                        .into_iter()
+                        .map(|e| WlEvent::Event(e))
+                        .chain(iter::once(WlEvent::Flush));
+                    for event in events {
+                        if binding.client.event2_locked(event) {
+                            clients.insert(binding.client.id, binding.client.clone());
+                        }
+                    }
+                }
+            }
+            for client in clients.values() {
+                let _ = client.check_queue_size().await;
+            }
+        }
+    }
+
+    async fn bind_(
+        self: Rc<Self>,
+        id: WlOutputId,
+        client: &Rc<Client>,
+        version: u32,
+    ) -> Result<(), WlOutputError> {
+        let obj = Rc::new(WlOutputObj {
+            global: self.clone(),
+            id,
+            client: client.clone(),
+        });
+        client.add_client_obj(&obj)?;
+        self.bindings.set((client.id, id), obj.clone());
+        client.event(obj.geometry()).await?;
+        client.event(obj.mode()).await?;
+        client.event(obj.scale()).await?;
+        client.event(obj.done()).await?;
+        Ok(())
+    }
+}
+
+bind!(WlOutputGlobal);
+
+impl Global for WlOutputGlobal {
+    fn name(&self) -> GlobalName {
+        self.name
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::WlOutput
+    }
+
+    fn version(&self) -> u32 {
+        3
+    }
+
+    fn pre_remove(&self) {
+        //
+    }
+
+    fn break_loops(&self) {
+        self.bindings.clear();
+    }
+}
+
+pub struct WlOutputObj {
+    global: Rc<WlOutputGlobal>,
+    id: WlOutputId,
+    client: Rc<Client>,
+}
+
+impl WlOutputObj {
+    fn geometry(self: &Rc<Self>) -> DynEventFormatter {
+        Box::new(Geometry {
+            obj: self.clone(),
+            x: 0,
+            y: 0,
+            physical_width: self.global.width.get() as _,
+            physical_height: self.global.height.get() as _,
+            subpixel: SP_UNKNOWN,
+            make: String::new(),
+            model: String::new(),
+            transform: TF_NORMAL,
+        })
+    }
+
+    fn mode(self: &Rc<Self>) -> DynEventFormatter {
+        Box::new(Mode {
+            obj: self.clone(),
+            flags: MODE_CURRENT,
+            width: self.global.width.get() as _,
+            height: self.global.height.get() as _,
+            refresh: 60_000_000,
+        })
+    }
+
+    fn scale(self: &Rc<Self>) -> DynEventFormatter {
+        Box::new(Scale {
+            obj: self.clone(),
+            factor: 1,
+        })
+    }
+
+    fn done(self: &Rc<Self>) -> DynEventFormatter {
+        Box::new(Done { obj: self.clone() })
+    }
+
+    async fn release(&self, parser: MsgParser<'_, '_>) -> Result<(), ReleaseError> {
+        let _req: Release = self.client.parse(self, parser)?;
+        self.global.bindings.remove(&(self.client.id, self.id));
+        self.client.remove_obj(self).await?;
+        Ok(())
+    }
+
+    async fn handle_request_(
+        &self,
+        request: u32,
+        parser: MsgParser<'_, '_>,
+    ) -> Result<(), WlOutputError> {
+        match request {
+            RELEASE => self.release(parser).await?,
+            _ => unreachable!(),
+        }
+        Ok(())
+    }
+}
+
+handle_request!(WlOutputObj);
+
+impl Object for WlOutputObj {
+    fn id(&self) -> ObjectId {
+        self.id.into()
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::WlOutput
+    }
+
+    fn num_requests(&self) -> u32 {
+        RELEASE + 1
+    }
+
+    fn break_loops(&self) {
+        self.global.bindings.remove(&(self.client.id, self.id));
+    }
+}

src/ifs/wl_output/types.rs

@@ -0,0 +1,136 @@
+use crate::client::{ClientError, EventFormatter, RequestParser};
+use crate::ifs::wl_output::{WlOutputObj, DONE, GEOMETRY, MODE, SCALE};
+use crate::object::Object;
+use crate::utils::buffd::{MsgFormatter, MsgParser, MsgParserError};
+use std::fmt::{Debug, Formatter};
+use std::rc::Rc;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum WlOutputError {
+    #[error("Could not handle `release` request")]
+    ReleaseError(#[from] ReleaseError),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(WlOutputError, ClientError, ClientError);
+
+#[derive(Debug, Error)]
+pub enum ReleaseError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(ReleaseError, ClientError, ClientError);
+efrom!(ReleaseError, ParseError, MsgParserError);
+
+pub(super) struct Release;
+impl RequestParser<'_> for Release {
+    fn parse(_parser: &mut MsgParser<'_, '_>) -> Result<Self, MsgParserError> {
+        Ok(Self)
+    }
+}
+impl Debug for Release {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "release()")
+    }
+}
+
+pub(super) struct Geometry {
+    pub obj: Rc<WlOutputObj>,
+    pub x: i32,
+    pub y: i32,
+    pub physical_width: i32,
+    pub physical_height: i32,
+    pub subpixel: i32,
+    pub make: String,
+    pub model: String,
+    pub transform: i32,
+}
+impl EventFormatter for Geometry {
+    fn format(self: Box<Self>, fmt: &mut MsgFormatter<'_>) {
+        fmt.header(self.obj.id, GEOMETRY)
+            .int(self.x)
+            .int(self.y)
+            .int(self.physical_width)
+            .int(self.physical_height)
+            .int(self.subpixel)
+            .string(&self.make)
+            .string(&self.model)
+            .int(self.transform);
+    }
+    fn obj(&self) -> &dyn Object {
+        &*self.obj
+    }
+}
+impl Debug for Geometry {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "geometry(x: {}, y: {}, physical_width: {}, physical_height: {}, subpixel: {}, make: {}, model: {}, transform: {})",
+        self.x, self.y, self.physical_width, self.physical_height, self.subpixel, self.make, self.model, self.transform)
+    }
+}
+
+pub(super) struct Mode {
+    pub obj: Rc<WlOutputObj>,
+    pub flags: u32,
+    pub width: i32,
+    pub height: i32,
+    pub refresh: i32,
+}
+impl EventFormatter for Mode {
+    fn format(self: Box<Self>, fmt: &mut MsgFormatter<'_>) {
+        fmt.header(self.obj.id, MODE)
+            .uint(self.flags)
+            .int(self.width)
+            .int(self.height)
+            .int(self.refresh);
+    }
+    fn obj(&self) -> &dyn Object {
+        &*self.obj
+    }
+}
+impl Debug for Mode {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "mode(flags: 0x{:x}, width: {}, height: {}, refresh: {})",
+            self.flags, self.width, self.height, self.refresh
+        )
+    }
+}
+
+pub(super) struct Done {
+    pub obj: Rc<WlOutputObj>,
+}
+impl EventFormatter for Done {
+    fn format(self: Box<Self>, fmt: &mut MsgFormatter<'_>) {
+        fmt.header(self.obj.id, DONE);
+    }
+    fn obj(&self) -> &dyn Object {
+        &*self.obj
+    }
+}
+impl Debug for Done {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "done()")
+    }
+}
+
+pub(super) struct Scale {
+    pub obj: Rc<WlOutputObj>,
+    pub factor: i32,
+}
+impl EventFormatter for Scale {
+    fn format(self: Box<Self>, fmt: &mut MsgFormatter<'_>) {
+        fmt.header(self.obj.id, SCALE).int(self.factor);
+    }
+    fn obj(&self) -> &dyn Object {
+        &*self.obj
+    }
+}
+impl Debug for Scale {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "scale(factor: {})", self.factor)
+    }
+}