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cargo fmt

This commit is contained in:
Victor Berger 2017-06-23 15:40:28 +02:00
parent 9d2f03943e
commit 4f6a852652
8 changed files with 186 additions and 123 deletions
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16
examples/helpers/glium.rs
View File

@ -21,8 +21,10 @@ impl<'a, F: glium::backend::Facade + 'a> GliumDrawer<'a, F> {
pub fn new(display: &'a F) -> GliumDrawer<'a, F> { pub fn new(display: &'a F) -> GliumDrawer<'a, F> {
// building the vertex buffer, which contains all the vertices that we will draw // building the vertex buffer, which contains all the vertices that we will draw
let vertex_buffer = glium::VertexBuffer::new(display, let vertex_buffer = glium::VertexBuffer::new(
&[Vertex { display,
&[
Vertex {
position: [0.0, 0.0], position: [0.0, 0.0],
tex_coords: [0.0, 0.0], tex_coords: [0.0, 0.0],
}, },
@ -37,7 +39,9 @@ impl<'a, F: glium::backend::Facade + 'a> GliumDrawer<'a, F> {
Vertex { Vertex {
position: [1.0, 0.0], position: [1.0, 0.0],
tex_coords: [1.0, 0.0], tex_coords: [1.0, 0.0],
}]).unwrap(); },
],
).unwrap();
// building the index buffer // building the index buffer
let index_buffer = let index_buffer =
@ -110,11 +114,13 @@ impl<'a, F: glium::backend::Facade + 'a> GliumDrawer<'a, F> {
}; };
target target
.draw(&self.vertex_buffer, .draw(
&self.vertex_buffer,
&self.index_buffer, &self.index_buffer,
&self.program, &self.program,
&uniforms, &uniforms,
&Default::default()) &Default::default(),
)
.unwrap(); .unwrap();
} }

20
examples/helpers/shell.rs
View File

@ -49,17 +49,22 @@ impl<U, H> GlobalHandler<wl_shell::WlShell> for WlShellStubHandler<U, H>
} }
impl<U, H> wl_shell::Handler for WlShellStubHandler<U, H> impl<U, H> wl_shell::Handler for WlShellStubHandler<U, H>
where U: Send + 'static, where
H: CompositorHandler<U> + Send + 'static U: Send + 'static,
H: CompositorHandler<U> + Send + 'static,
{ {
fn get_shell_surface(&mut self, evqh: &mut EventLoopHandle, client: &Client, fn get_shell_surface(&mut self, evqh: &mut EventLoopHandle, client: &Client,
resource: &wl_shell::WlShell, id: wl_shell_surface::WlShellSurface, resource: &wl_shell::WlShell, id: wl_shell_surface::WlShellSurface,
surface: &wl_surface::WlSurface) { surface: &wl_surface::WlSurface) {
let surface = surface.clone().expect("WlShellStubHandler can only manage surfaces managed by Smithay's CompositorHandler."); let surface = surface.clone().expect(
"WlShellStubHandler can only manage surfaces managed by Smithay's CompositorHandler.",
);
if self.token.give_role(&surface).is_err() { if self.token.give_role(&surface).is_err() {
// This surface already has a role, and thus cannot be given one! // This surface already has a role, and thus cannot be given one!
resource.post_error(wl_shell::Error::Role as u32, resource.post_error(
"Surface already has a role.".into()); wl_shell::Error::Role as u32,
"Surface already has a role.".into(),
);
return; return;
} }
evqh.register::<_, Self>(&id, self.my_id.unwrap()); evqh.register::<_, Self>(&id, self.my_id.unwrap());
@ -70,8 +75,9 @@ impl<U, H> wl_shell::Handler for WlShellStubHandler<U, H>
server_declare_handler!(WlShellStubHandler<U: [Send], H: [CompositorHandler<U>, Send]>, wl_shell::Handler, wl_shell::WlShell); server_declare_handler!(WlShellStubHandler<U: [Send], H: [CompositorHandler<U>, Send]>, wl_shell::Handler, wl_shell::WlShell);
impl<U, H> wl_shell_surface::Handler for WlShellStubHandler<U, H> impl<U, H> wl_shell_surface::Handler for WlShellStubHandler<U, H>
where U: Send + 'static, where
H: CompositorHandler<U> + Send + 'static U: Send + 'static,
H: CompositorHandler<U> + Send + 'static,
{ {
} }

53
examples/simple.rs
View File

@ -48,10 +48,12 @@ impl compositor::Handler<SurfaceData> for SurfaceHandler {
let height = data.height as usize; let height = data.height as usize;
let mut new_vec = Vec::with_capacity(width * height * 4); let mut new_vec = Vec::with_capacity(width * height * 4);
for i in 0..height { for i in 0..height {
new_vec.extend(&slice[(offset + i * stride)..(offset + i * stride + width * 4)]); new_vec.extend(
&slice[(offset + i * stride)..(offset + i * stride + width * 4)],
);
} }
attributes.user_data.buffer = Some((new_vec, attributes.user_data.buffer =
(data.width as u32, data.height as u32))); Some((new_vec, (data.width as u32, data.height as u32)));
}); });
} }
@ -67,8 +69,10 @@ impl compositor::Handler<SurfaceData> for SurfaceHandler {
fn main() { fn main() {
// A logger facility, here we use the terminal for this example // A logger facility, here we use the terminal for this example
let log = Logger::root(slog_async::Async::default(slog_term::term_full().fuse()).fuse(), let log = Logger::root(
o!()); slog_async::Async::default(slog_term::term_full().fuse()).fuse(),
o!(),
);
// Initialize a simple backend for testing // Initialize a simple backend for testing
let (renderer, mut input) = winit::init(log.clone()).unwrap(); let (renderer, mut input) = winit::init(log.clone()).unwrap();
@ -93,14 +97,16 @@ fn main() {
/* /*
* Initialize the compositor global * Initialize the compositor global
*/ */
let compositor_handler_id = let compositor_handler_id = event_loop.add_handler_with_init(CompositorHandler::<SurfaceData, _>::new(
event_loop.add_handler_with_init(CompositorHandler::<SurfaceData, _>::new(SurfaceHandler { SurfaceHandler { shm_token: shm_token.clone() },
shm_token: shm_token log.clone(),
.clone(), ));
},
log.clone()));
// register it to handle wl_compositor and wl_subcompositor // register it to handle wl_compositor and wl_subcompositor
event_loop.register_global::<wl_compositor::WlCompositor, CompositorHandler<SurfaceData,SurfaceHandler>>(compositor_handler_id, 4); event_loop
.register_global::<wl_compositor::WlCompositor, CompositorHandler<SurfaceData, SurfaceHandler>>(
compositor_handler_id,
4,
);
event_loop.register_global::<wl_subcompositor::WlSubcompositor, CompositorHandler<SurfaceData,SurfaceHandler>>(compositor_handler_id, 1); event_loop.register_global::<wl_subcompositor::WlSubcompositor, CompositorHandler<SurfaceData,SurfaceHandler>>(compositor_handler_id, 1);
// retrieve the tokens // retrieve the tokens
let compositor_token = { let compositor_token = {
@ -113,10 +119,12 @@ fn main() {
/* /*
* Initialize the shell stub global * Initialize the shell stub global
*/ */
let shell_handler_id = event_loop let shell_handler_id =
.add_handler_with_init(WlShellStubHandler::new(compositor_token.clone())); event_loop.add_handler_with_init(WlShellStubHandler::new(compositor_token.clone()));
event_loop.register_global::<wl_shell::WlShell, WlShellStubHandler<SurfaceData, SurfaceHandler>>(shell_handler_id, event_loop.register_global::<wl_shell::WlShell, WlShellStubHandler<SurfaceData, SurfaceHandler>>(
1); shell_handler_id,
1,
);
/* /*
* Initialize glium * Initialize glium
@ -143,14 +151,16 @@ fn main() {
for &(_, ref surface) in for &(_, ref surface) in
state state
.get_handler::<WlShellStubHandler<SurfaceData, SurfaceHandler>>(shell_handler_id) .get_handler::<WlShellStubHandler<SurfaceData, SurfaceHandler>>(shell_handler_id)
.surfaces() { .surfaces()
{
if surface.status() != Liveness::Alive { if surface.status() != Liveness::Alive {
continue; continue;
} }
// this surface is a root of a subsurface tree that needs to be drawn // this surface is a root of a subsurface tree that needs to be drawn
compositor_token.with_surface_tree(surface, (100, 100), |surface, compositor_token.with_surface_tree(
attributes, surface,
&(mut x, mut y)| { (100, 100),
|surface, attributes, &(mut x, mut y)| {
if let Some((ref contents, (w, h))) = attributes.user_data.buffer { if let Some((ref contents, (w, h))) = attributes.user_data.buffer {
// there is actually something to draw ! // there is actually something to draw !
if let Some(ref subdata) = attributes.subsurface_attributes { if let Some(ref subdata) = attributes.subsurface_attributes {
@ -163,7 +173,8 @@ fn main() {
// we are not display, so our children are neither // we are not display, so our children are neither
TraversalAction::SkipChildren TraversalAction::SkipChildren
} }
}); },
);
} }
} }
frame.finish().unwrap(); frame.finish().unwrap();

5
src/compositor/global.rs
View File

@ -14,8 +14,9 @@ impl<U: Default, H: UserHandler<U>> GlobalHandler<wl_compositor::WlCompositor> f
} }
impl<U, H> GlobalHandler<wl_subcompositor::WlSubcompositor> for CompositorHandler<U, H> impl<U, H> GlobalHandler<wl_subcompositor::WlSubcompositor> for CompositorHandler<U, H>
where U: Send + 'static, where
H: Send + 'static U: Send + 'static,
H: Send + 'static,
{ {
fn bind(&mut self, evlh: &mut EventLoopHandle, _: &Client, global: wl_subcompositor::WlSubcompositor) { fn bind(&mut self, evlh: &mut EventLoopHandle, _: &Client, global: wl_subcompositor::WlSubcompositor) {
debug!(self.log, "New subcompositor global binded."); debug!(self.log, "New subcompositor global binded.");

35
src/compositor/handlers.rs
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@ -15,8 +15,9 @@ struct CompositorDestructor<U> {
*/ */
impl<U, H> wl_compositor::Handler for CompositorHandler<U, H> impl<U, H> wl_compositor::Handler for CompositorHandler<U, H>
where U: Default + Send + 'static, where
H: UserHandler<U> + Send + 'static U: Default + Send + 'static,
H: UserHandler<U> + Send + 'static,
{ {
fn create_surface(&mut self, evqh: &mut EventLoopHandle, _: &Client, _: &wl_compositor::WlCompositor, fn create_surface(&mut self, evqh: &mut EventLoopHandle, _: &Client, _: &wl_compositor::WlCompositor,
id: wl_surface::WlSurface) { id: wl_surface::WlSurface) {
@ -105,8 +106,10 @@ impl<U, H: UserHandler<U>> wl_surface::Handler for CompositorHandler<U, H> {
} }
fn damage_buffer(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface, fn damage_buffer(&mut self, _: &mut EventLoopHandle, _: &Client, surface: &wl_surface::WlSurface,
x: i32, y: i32, width: i32, height: i32) { x: i32, y: i32, width: i32, height: i32) {
trace!(self.log, trace!(
"Registering damage to surface (buffer coordinates)."); self.log,
"Registering damage to surface (buffer coordinates)."
);
unsafe { unsafe {
SurfaceData::<U>::with_data(surface, |d| { SurfaceData::<U>::with_data(surface, |d| {
d.damage = Damage::Buffer(Rectangle { d.damage = Damage::Buffer(Rectangle {
@ -137,28 +140,32 @@ impl<U, H> wl_region::Handler for CompositorHandler<U, H> {
width: i32, height: i32) { width: i32, height: i32) {
trace!(self.log, "Adding rectangle to a region."); trace!(self.log, "Adding rectangle to a region.");
unsafe { unsafe {
RegionData::add_rectangle(region, RegionData::add_rectangle(
region,
RectangleKind::Add, RectangleKind::Add,
Rectangle { Rectangle {
x, x,
y, y,
width, width,
height, height,
}) },
)
}; };
} }
fn subtract(&mut self, _: &mut EventLoopHandle, _: &Client, region: &wl_region::WlRegion, x: i32, fn subtract(&mut self, _: &mut EventLoopHandle, _: &Client, region: &wl_region::WlRegion, x: i32,
y: i32, width: i32, height: i32) { y: i32, width: i32, height: i32) {
trace!(self.log, "Subtracting rectangle to a region."); trace!(self.log, "Subtracting rectangle to a region.");
unsafe { unsafe {
RegionData::add_rectangle(region, RegionData::add_rectangle(
region,
RectangleKind::Subtract, RectangleKind::Subtract,
Rectangle { Rectangle {
x, x,
y, y,
width, width,
height, height,
}) },
)
}; };
} }
} }
@ -176,8 +183,9 @@ impl<U> Destroy<wl_region::WlRegion> for CompositorDestructor<U> {
*/ */
impl<U, H> wl_subcompositor::Handler for CompositorHandler<U, H> impl<U, H> wl_subcompositor::Handler for CompositorHandler<U, H>
where U: Send + 'static, where
H: Send + 'static U: Send + 'static,
H: Send + 'static,
{ {
fn get_subsurface(&mut self, evqh: &mut EventLoopHandle, _: &Client, fn get_subsurface(&mut self, evqh: &mut EventLoopHandle, _: &Client,
resource: &wl_subcompositor::WlSubcompositor, id: wl_subsurface::WlSubsurface, resource: &wl_subcompositor::WlSubcompositor, id: wl_subsurface::WlSubsurface,
@ -187,7 +195,9 @@ impl<U, H> wl_subcompositor::Handler for CompositorHandler<U, H>
resource.post_error(wl_subcompositor::Error::BadSurface as u32, "Surface already has a role.".into()); resource.post_error(wl_subcompositor::Error::BadSurface as u32, "Surface already has a role.".into());
return return
} }
id.set_user_data(Box::into_raw(Box::new(unsafe { surface.clone_unchecked() })) as *mut _); id.set_user_data(Box::into_raw(
Box::new(unsafe { surface.clone_unchecked() }),
) as *mut _);
unsafe { unsafe {
SurfaceData::<U>::with_data(surface, |d| { SurfaceData::<U>::with_data(surface, |d| {
d.subsurface_attributes = Some(Default::default()) d.subsurface_attributes = Some(Default::default())
@ -204,7 +214,8 @@ server_declare_handler!(CompositorHandler<U: [Send], H: [Send]>, wl_subcomposito
*/ */
unsafe fn with_subsurface_attributes<U, F>(subsurface: &wl_subsurface::WlSubsurface, f: F) unsafe fn with_subsurface_attributes<U, F>(subsurface: &wl_subsurface::WlSubsurface, f: F)
where F: FnOnce(&mut SubsurfaceAttributes) where
F: FnOnce(&mut SubsurfaceAttributes),
{ {
let ptr = subsurface.get_user_data(); let ptr = subsurface.get_user_data();
let surface = &*(ptr as *mut wl_surface::WlSurface); let surface = &*(ptr as *mut wl_surface::WlSurface);

63
src/compositor/mod.rs
View File

@ -285,10 +285,13 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn with_surface_data<F>(&self, surface: &wl_surface::WlSurface, f: F) pub fn with_surface_data<F>(&self, surface: &wl_surface::WlSurface, f: F)
where F: FnOnce(&mut SurfaceAttributes<U>) where
F: FnOnce(&mut SurfaceAttributes<U>),
{ {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { unsafe {
SurfaceData::<U>::with_data(surface, f); SurfaceData::<U>::with_data(surface, f);
} }
@ -303,10 +306,13 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn with_surface_tree<F, T>(&self, surface: &wl_surface::WlSurface, initial: T, f: F) -> Result<(), ()> pub fn with_surface_tree<F, T>(&self, surface: &wl_surface::WlSurface, initial: T, f: F) -> Result<(), ()>
where F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T> where
F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T>,
{ {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { unsafe {
SurfaceData::<U>::map_tree(surface, initial, f); SurfaceData::<U>::map_tree(surface, initial, f);
} }
@ -320,8 +326,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn get_parent(&self, surface: &wl_surface::WlSurface) -> Option<wl_surface::WlSurface> { pub fn get_parent(&self, surface: &wl_surface::WlSurface) -> Option<wl_surface::WlSurface> {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { SurfaceData::<U>::get_parent(surface) } unsafe { SurfaceData::<U>::get_parent(surface) }
} }
@ -330,8 +338,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn get_children(&self, surface: &wl_surface::WlSurface) -> Vec<wl_surface::WlSurface> { pub fn get_children(&self, surface: &wl_surface::WlSurface) -> Vec<wl_surface::WlSurface> {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { SurfaceData::<U>::get_children(surface) } unsafe { SurfaceData::<U>::get_children(surface) }
} }
@ -340,8 +350,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn role_status(&self, surface: &wl_surface::WlSurface) -> RoleStatus { pub fn role_status(&self, surface: &wl_surface::WlSurface) -> RoleStatus {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { SurfaceData::<U>::role_status(surface) } unsafe { SurfaceData::<U>::role_status(surface) }
} }
@ -355,8 +367,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn give_role(&self, surface: &wl_surface::WlSurface) -> Result<(), ()> { pub fn give_role(&self, surface: &wl_surface::WlSurface) -> Result<(), ()> {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { SurfaceData::<U>::give_role(surface) } unsafe { SurfaceData::<U>::give_role(surface) }
} }
@ -369,8 +383,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the surface is not managed by the CompositorGlobal that provided this token, this /// If the surface is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn remove_role(&self, surface: &wl_surface::WlSurface) -> Result<(), ()> { pub fn remove_role(&self, surface: &wl_surface::WlSurface) -> Result<(), ()> {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid), assert!(
"Accessing the data of foreign surfaces is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(surface, self.hid),
"Accessing the data of foreign surfaces is not supported."
);
unsafe { SurfaceData::<U>::remove_role(surface) } unsafe { SurfaceData::<U>::remove_role(surface) }
} }
@ -379,8 +395,10 @@ impl<U: Send + 'static, H: Handler<U> + Send + 'static> CompositorToken<U, H> {
/// If the region is not managed by the CompositorGlobal that provided this token, this /// If the region is not managed by the CompositorGlobal that provided this token, this
/// will panic (having more than one compositor is not supported). /// will panic (having more than one compositor is not supported).
pub fn get_region_attributes(&self, region: &wl_region::WlRegion) -> RegionAttributes { pub fn get_region_attributes(&self, region: &wl_region::WlRegion) -> RegionAttributes {
assert!(resource_is_registered::<_, CompositorHandler<U, H>>(region, self.hid), assert!(
"Accessing the data of foreign regions is not supported."); resource_is_registered::<_, CompositorHandler<U, H>>(region, self.hid),
"Accessing the data of foreign regions is not supported."
);
unsafe { RegionData::get_attributes(region) } unsafe { RegionData::get_attributes(region) }
} }
} }
@ -410,7 +428,8 @@ impl<U, H> Init for CompositorHandler<U, H> {
impl<U, H> CompositorHandler<U, H> { impl<U, H> CompositorHandler<U, H> {
/// Create a new CompositorHandler /// Create a new CompositorHandler
pub fn new<L>(handler: H, logger: L) -> CompositorHandler<U, H> pub fn new<L>(handler: H, logger: L) -> CompositorHandler<U, H>
where L: Into<Option<::slog::Logger>> where
L: Into<Option<::slog::Logger>>,
{ {
let log = ::slog_or_stdlog(logger); let log = ::slog_or_stdlog(logger);
CompositorHandler { CompositorHandler {
@ -423,8 +442,10 @@ impl<U, H> CompositorHandler<U, H> {
/// Create a token to access the data associated to the objects managed by this handler. /// Create a token to access the data associated to the objects managed by this handler.
pub fn get_token(&self) -> CompositorToken<U, H> { pub fn get_token(&self) -> CompositorToken<U, H> {
assert!(self.my_id != ::std::usize::MAX, assert!(
"CompositorHandler is not initialized yet."); self.my_id != ::std::usize::MAX,
"CompositorHandler is not initialized yet."
);
trace!(self.log, "Creating a compositor token."); trace!(self.log, "Creating a compositor token.");
CompositorToken { CompositorToken {
hid: self.my_id, hid: self.my_id,

4
src/compositor/region.rs
View File

@ -13,7 +13,9 @@ pub struct RegionData {
impl RegionData { impl RegionData {
/// Initialize the user_data of a region, must be called right when the surface is created /// Initialize the user_data of a region, must be called right when the surface is created
pub unsafe fn init(region: &wl_region::WlRegion) { pub unsafe fn init(region: &wl_region::WlRegion) {
region.set_user_data(Box::into_raw(Box::new(Mutex::new(RegionData::default()))) as *mut _) region.set_user_data(Box::into_raw(
Box::new(Mutex::new(RegionData::default())),
) as *mut _)
} }
/// Cleans the user_data of that surface, must be called when it is destroyed /// Cleans the user_data of that surface, must be called when it is destroyed

13
src/compositor/tree.rs
View File

@ -70,7 +70,9 @@ impl<U: Default> SurfaceData<U> {
/// Initialize the user_data of a surface, must be called right when the surface is created /// Initialize the user_data of a surface, must be called right when the surface is created
pub unsafe fn init(surface: &wl_surface::WlSurface) { pub unsafe fn init(surface: &wl_surface::WlSurface) {
surface.set_user_data(Box::into_raw(Box::new(Mutex::new(SurfaceData::<U>::new()))) as *mut _) surface.set_user_data(Box::into_raw(
Box::new(Mutex::new(SurfaceData::<U>::new())),
) as *mut _)
} }
} }
@ -270,7 +272,8 @@ impl<U> SurfaceData<U> {
/// Note that an internal lock is taken during access of this data, /// Note that an internal lock is taken during access of this data,
/// so the tree cannot be manipulated at the same time /// so the tree cannot be manipulated at the same time
pub unsafe fn with_data<F>(surface: &wl_surface::WlSurface, f: F) pub unsafe fn with_data<F>(surface: &wl_surface::WlSurface, f: F)
where F: FnOnce(&mut SurfaceAttributes<U>) where
F: FnOnce(&mut SurfaceAttributes<U>),
{ {
let data_mutex = Self::get_data(surface); let data_mutex = Self::get_data(surface);
let mut data_guard = data_mutex.lock().unwrap(); let mut data_guard = data_mutex.lock().unwrap();
@ -286,13 +289,15 @@ impl<U> SurfaceData<U> {
/// The callback returns wether the traversal should continue or not. Returning /// The callback returns wether the traversal should continue or not. Returning
/// false will cause an early-stopping. /// false will cause an early-stopping.
pub unsafe fn map_tree<F, T>(root: &wl_surface::WlSurface, initial: T, mut f: F) pub unsafe fn map_tree<F, T>(root: &wl_surface::WlSurface, initial: T, mut f: F)
where F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T> where
F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T>,
{ {
// helper function for recursion // helper function for recursion
unsafe fn map<U, F, T>(surface: &wl_surface::WlSurface, root: &wl_surface::WlSurface, initial: &T, unsafe fn map<U, F, T>(surface: &wl_surface::WlSurface, root: &wl_surface::WlSurface, initial: &T,
f: &mut F) f: &mut F)
-> bool -> bool
where F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T> where
F: FnMut(&wl_surface::WlSurface, &mut SurfaceAttributes<U>, &T) -> TraversalAction<T>,
{ {
// stop if we met the root, so to not deadlock/inifinte loop // stop if we met the root, so to not deadlock/inifinte loop
if surface.equals(root) { if surface.equals(root) {