311 lines
12 KiB
Rust
311 lines
12 KiB
Rust
use super::{CompositorHandler, Damage, Handler as UserHandler, Rectangle, RectangleKind, Role, RoleType,
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SubsurfaceRole};
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use super::region::RegionData;
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use super::tree::{Location, SurfaceData};
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use wayland_server::{Client, Destroy, EventLoopHandle, Liveness, Resource};
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use wayland_server::protocol::{wl_buffer, wl_callback, wl_compositor, wl_output, wl_region,
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wl_subcompositor, wl_subsurface, wl_surface};
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struct CompositorDestructor<U, R> {
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_t: ::std::marker::PhantomData<U>,
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_r: ::std::marker::PhantomData<R>,
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}
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/*
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* wl_compositor
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*/
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impl<U, R, H> wl_compositor::Handler for CompositorHandler<U, R, H>
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where
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U: Default + Send + 'static,
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R: Default + Send + 'static,
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H: UserHandler<U, R> + Send + 'static,
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{
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fn create_surface(&mut self, evqh: &mut EventLoopHandle, _: &Client, _: &wl_compositor::WlCompositor,
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id: wl_surface::WlSurface) {
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trace!(self.log, "New surface created.");
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unsafe { SurfaceData::<U, R>::init(&id) };
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evqh.register_with_destructor::<_, CompositorHandler<U, R, H>, CompositorDestructor<U, R>>(
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&id,
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self.my_id,
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);
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}
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fn create_region(&mut self, evqh: &mut EventLoopHandle, _: &Client, _: &wl_compositor::WlCompositor,
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id: wl_region::WlRegion) {
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trace!(self.log, "New region created.");
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unsafe { RegionData::init(&id) };
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evqh.register_with_destructor::<_, CompositorHandler<U, R, H>, CompositorDestructor<U, R>>(
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&id,
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self.my_id,
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);
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}
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}
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server_declare_handler!(CompositorHandler<U: [Default, Send], R: [Default, Send], H: [UserHandler<U, R>, Send]>, wl_compositor::Handler, wl_compositor::WlCompositor);
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/*
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* wl_surface
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*/
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impl<U, R, H: UserHandler<U, R>> wl_surface::Handler for CompositorHandler<U, R, H> {
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fn attach(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
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buffer: Option<&wl_buffer::WlBuffer>, x: i32, y: i32) {
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trace!(self.log, "Attaching buffer to surface.");
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unsafe {
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SurfaceData::<U, R>::with_data(surface, |d| {
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d.buffer = Some(buffer.map(|b| (b.clone_unchecked(), (x, y))))
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});
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}
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}
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fn damage(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface, x: i32,
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y: i32, width: i32, height: i32) {
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trace!(self.log, "Registering damage to surface.");
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unsafe {
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SurfaceData::<U, R>::with_data(surface, |d| {
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d.damage = Damage::Surface(Rectangle {
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x,
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y,
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width,
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height,
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})
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});
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}
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}
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fn frame(&mut self, evlh: &mut EventLoopHandle, client: &Client, surface: &wl_surface::WlSurface,
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callback: wl_callback::WlCallback) {
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trace!(self.log, "Frame surface callback.");
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let token = self.get_token();
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UserHandler::frame(&mut self.handler, evlh, client, surface, callback, token);
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}
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fn set_opaque_region(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
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region: Option<&wl_region::WlRegion>) {
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trace!(self.log, "Setting surface opaque region.");
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unsafe {
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let attributes = region.map(|r| RegionData::get_attributes(r));
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SurfaceData::<U, R>::with_data(surface, |d| d.opaque_region = attributes);
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}
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}
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fn set_input_region(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
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region: Option<&wl_region::WlRegion>) {
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trace!(self.log, "Setting surface input region.");
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unsafe {
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let attributes = region.map(|r| RegionData::get_attributes(r));
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SurfaceData::<U, R>::with_data(surface, |d| d.input_region = attributes);
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}
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}
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fn commit(&mut self, evlh: &mut EventLoopHandle, client: &Client, surface: &wl_surface::WlSurface) {
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trace!(self.log, "Commit surface callback.");
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let token = self.get_token();
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UserHandler::commit(&mut self.handler, evlh, client, surface, token);
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}
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fn set_buffer_transform(&mut self, _: &mut EventLoopHandle, _: &Client,
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surface: &wl_surface::WlSurface, transform: wl_output::Transform) {
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trace!(self.log, "Setting surface's buffer transform.");
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unsafe {
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SurfaceData::<U, R>::with_data(surface, |d| d.buffer_transform = transform);
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}
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}
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fn set_buffer_scale(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
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scale: i32) {
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trace!(self.log, "Setting surface's buffer scale.");
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unsafe {
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SurfaceData::<U, R>::with_data(surface, |d| d.buffer_scale = scale);
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}
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}
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fn damage_buffer(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
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x: i32, y: i32, width: i32, height: i32) {
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trace!(
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self.log,
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"Registering damage to surface (buffer coordinates)."
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);
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unsafe {
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SurfaceData::<U, R>::with_data(surface, |d| {
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d.damage = Damage::Buffer(Rectangle {
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x,
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y,
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width,
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height,
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})
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});
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}
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}
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}
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server_declare_handler!(CompositorHandler<U:[], R: [], H: [UserHandler<U, R>]>, wl_surface::Handler, wl_surface::WlSurface);
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impl<U, R> Destroy<wl_surface::WlSurface> for CompositorDestructor<U, R> {
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fn destroy(surface: &wl_surface::WlSurface) {
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unsafe { SurfaceData::<U, R>::cleanup(surface) }
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}
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}
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/*
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* wl_region
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*/
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impl<U, R, H> wl_region::Handler for CompositorHandler<U, R, H> {
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fn add(&mut self, _: &mut EventLoopHandle, _: &Client, region: &wl_region::WlRegion, x: i32, y: i32,
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width: i32, height: i32) {
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trace!(self.log, "Adding rectangle to a region.");
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unsafe {
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RegionData::add_rectangle(
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region,
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RectangleKind::Add,
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Rectangle {
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x,
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y,
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width,
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height,
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},
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)
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};
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}
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fn subtract(&mut self, _: &mut EventLoopHandle, _: &Client, region: &wl_region::WlRegion, x: i32,
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y: i32, width: i32, height: i32) {
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trace!(self.log, "Subtracting rectangle to a region.");
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unsafe {
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RegionData::add_rectangle(
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region,
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RectangleKind::Subtract,
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Rectangle {
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x,
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y,
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width,
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height,
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},
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)
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};
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}
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}
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server_declare_handler!(CompositorHandler<U: [], R: [], H: []>, wl_region::Handler, wl_region::WlRegion);
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impl<U, R> Destroy<wl_region::WlRegion> for CompositorDestructor<U, R> {
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fn destroy(region: &wl_region::WlRegion) {
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unsafe { RegionData::cleanup(region) };
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}
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}
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/*
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* wl_subcompositor
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*/
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impl<U, R, H> wl_subcompositor::Handler for CompositorHandler<U, R, H>
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where
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U: Send + 'static,
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R: RoleType + Role<SubsurfaceRole> + Send + 'static,
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H: Send + 'static,
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{
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fn get_subsurface(&mut self, evqh: &mut EventLoopHandle, _: &Client,
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resource: &wl_subcompositor::WlSubcompositor, id: wl_subsurface::WlSubsurface,
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surface: &wl_surface::WlSurface, parent: &wl_surface::WlSurface) {
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trace!(self.log, "Creating new subsurface.");
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if let Err(()) = unsafe { SurfaceData::<U, R>::set_parent(surface, parent) } {
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resource.post_error(
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wl_subcompositor::Error::BadSurface as u32,
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"Surface already has a role.".into(),
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);
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return;
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}
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id.set_user_data(
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Box::into_raw(Box::new(unsafe { surface.clone_unchecked() })) as *mut _,
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);
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evqh.register_with_destructor::<_, CompositorHandler<U, R, H>, CompositorDestructor<U, R>>(
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&id,
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self.my_id,
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);
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}
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}
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server_declare_handler!(CompositorHandler<U: [Send], R: [RoleType, Role<SubsurfaceRole>, Send], H: [Send]>, wl_subcompositor::Handler, wl_subcompositor::WlSubcompositor);
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/*
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* wl_subsurface
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*/
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unsafe fn with_subsurface_attributes<U, R, F>(subsurface: &wl_subsurface::WlSubsurface, f: F)
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where
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F: FnOnce(&mut SubsurfaceRole),
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R: RoleType + Role<SubsurfaceRole>,
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{
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let ptr = subsurface.get_user_data();
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let surface = &*(ptr as *mut wl_surface::WlSurface);
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SurfaceData::<U, R>::with_role_data::<SubsurfaceRole, _, _>(surface, |d| f(d)).expect(
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"The surface does not have a subsurface role while it has a wl_subsurface?!",
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);
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}
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impl<U, R, H> wl_subsurface::Handler for CompositorHandler<U, R, H>
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where
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R: RoleType + Role<SubsurfaceRole>,
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{
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fn set_position(&mut self, _: &mut EventLoopHandle, _: &Client,
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subsurface: &wl_subsurface::WlSubsurface, x: i32, y: i32) {
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trace!(self.log, "Setting subsurface position.");
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unsafe {
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with_subsurface_attributes::<U, R, _>(subsurface, |attrs| {
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attrs.x = x;
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attrs.y = y;
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});
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}
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}
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fn place_above(&mut self, _: &mut EventLoopHandle, _: &Client,
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subsurface: &wl_subsurface::WlSubsurface, sibling: &wl_surface::WlSurface) {
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trace!(self.log, "Setting subsurface above an other.");
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unsafe {
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let ptr = subsurface.get_user_data();
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let surface = &*(ptr as *mut wl_surface::WlSurface);
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if let Err(()) = SurfaceData::<U, R>::reorder(surface, Location::After, sibling) {
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subsurface.post_error(
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wl_subsurface::Error::BadSurface as u32,
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"Provided surface is not a sibling or parent.".into(),
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);
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}
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}
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}
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fn place_below(&mut self, _: &mut EventLoopHandle, _: &Client,
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subsurface: &wl_subsurface::WlSubsurface, sibling: &wl_surface::WlSurface) {
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trace!(self.log, "Setting subsurface below an other.");
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unsafe {
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let ptr = subsurface.get_user_data();
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let surface = &*(ptr as *mut wl_surface::WlSurface);
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if let Err(()) = SurfaceData::<U, R>::reorder(surface, Location::Before, sibling) {
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subsurface.post_error(
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wl_subsurface::Error::BadSurface as u32,
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"Provided surface is not a sibling or parent.".into(),
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);
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}
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}
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}
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fn set_sync(&mut self, _: &mut EventLoopHandle, _: &Client, subsurface: &wl_subsurface::WlSubsurface) {
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trace!(self.log, "Setting subsurface sync."; "sync_status" => true);
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unsafe {
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with_subsurface_attributes::<U, R, _>(subsurface, |attrs| { attrs.sync = true; });
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}
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}
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fn set_desync(&mut self, _: &mut EventLoopHandle, _: &Client, subsurface: &wl_subsurface::WlSubsurface) {
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trace!(self.log, "Setting subsurface sync."; "sync_status" => false);
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unsafe {
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with_subsurface_attributes::<U, R, _>(subsurface, |attrs| { attrs.sync = false; });
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}
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}
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}
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server_declare_handler!(CompositorHandler<U: [], R: [RoleType, Role<SubsurfaceRole>], H: []>, wl_subsurface::Handler, wl_subsurface::WlSubsurface);
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impl<U, R> Destroy<wl_subsurface::WlSubsurface> for CompositorDestructor<U, R>
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where
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R: RoleType + Role<SubsurfaceRole>,
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{
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fn destroy(subsurface: &wl_subsurface::WlSubsurface) {
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let ptr = subsurface.get_user_data();
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subsurface.set_user_data(::std::ptr::null_mut());
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unsafe {
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let surface = Box::from_raw(ptr as *mut wl_surface::WlSurface);
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if surface.status() == Liveness::Alive {
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SurfaceData::<U, R>::unset_parent(&surface);
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}
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}
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}
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}
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