smithay/src/wayland/shell/xdg/zxdgv6_handlers.rs

743 lines
27 KiB
Rust

use std::{cell::RefCell, ops::Deref as _, sync::Mutex};
use crate::wayland::compositor::{roles::*, CompositorToken};
use crate::wayland::Serial;
use wayland_protocols::{
unstable::xdg_shell::v6::server::{
zxdg_popup_v6, zxdg_positioner_v6, zxdg_shell_v6, zxdg_surface_v6, zxdg_toplevel_v6,
},
xdg_shell::server::{xdg_positioner, xdg_toplevel},
};
use wayland_server::{protocol::wl_surface, Filter, Main};
use crate::utils::Rectangle;
use super::{
make_shell_client_data, PopupConfigure, PopupKind, PopupState, PositionerState, ShellClient,
ShellClientData, ShellData, ToplevelConfigure, ToplevelKind, ToplevelState, XdgRequest,
XdgSurfacePendingState, XdgSurfaceRole,
};
pub(crate) fn implement_shell<R>(
shell: Main<zxdg_shell_v6::ZxdgShellV6>,
shell_data: &ShellData<R>,
) -> zxdg_shell_v6::ZxdgShellV6
where
R: Role<XdgSurfaceRole> + 'static,
{
shell.quick_assign(|shell, req, _data| shell_implementation::<R>(req, shell.deref().clone()));
shell.as_ref().user_data().set(|| ShellUserData {
shell_data: shell_data.clone(),
client_data: Mutex::new(make_shell_client_data()),
});
let mut user_impl = shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::NewClient {
client: make_shell_client(&shell, shell_data.compositor_token),
});
shell.deref().clone()
}
/*
* xdg_shell
*/
pub(crate) struct ShellUserData<R> {
shell_data: ShellData<R>,
pub(crate) client_data: Mutex<ShellClientData>,
}
pub(crate) fn make_shell_client<R>(
resource: &zxdg_shell_v6::ZxdgShellV6,
token: CompositorToken<R>,
) -> ShellClient<R> {
ShellClient {
kind: super::ShellClientKind::ZxdgV6(resource.clone()),
_token: token,
}
}
fn shell_implementation<R>(request: zxdg_shell_v6::Request, shell: zxdg_shell_v6::ZxdgShellV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = shell.as_ref().user_data().get::<ShellUserData<R>>().unwrap();
match request {
zxdg_shell_v6::Request::Destroy => {
// all is handled by destructor
}
zxdg_shell_v6::Request::CreatePositioner { id } => {
implement_positioner(id);
}
zxdg_shell_v6::Request::GetXdgSurface { id, surface } => {
let role_data = XdgSurfaceRole {
pending_state: XdgSurfacePendingState::None,
window_geometry: None,
pending_configures: Vec::new(),
configured: false,
};
if data
.shell_data
.compositor_token
.give_role_with(&surface, role_data)
.is_err()
{
shell.as_ref().post_error(
zxdg_shell_v6::Error::Role as u32,
"Surface already has a role.".into(),
);
return;
}
id.quick_assign(|surface, req, _data| {
xdg_surface_implementation::<R>(req, surface.deref().clone())
});
id.assign_destructor(Filter::new(|surface, _, _data| destroy_surface::<R>(surface)));
id.as_ref().user_data().set(|| XdgSurfaceUserData {
shell_data: data.shell_data.clone(),
wl_surface: surface,
shell: shell.clone(),
});
}
zxdg_shell_v6::Request::Pong { serial } => {
let valid = {
let mut guard = data.client_data.lock().unwrap();
if guard.pending_ping == Serial::from(serial) {
guard.pending_ping = Serial::from(0);
true
} else {
false
}
};
if valid {
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::ClientPong {
client: make_shell_client(&shell, data.shell_data.compositor_token),
});
}
}
_ => unreachable!(),
}
}
/*
* xdg_positioner
*/
fn implement_positioner(
positioner: Main<zxdg_positioner_v6::ZxdgPositionerV6>,
) -> zxdg_positioner_v6::ZxdgPositionerV6 {
positioner.quick_assign(|positioner, request, _data| {
let mutex = positioner
.as_ref()
.user_data()
.get::<RefCell<PositionerState>>()
.unwrap();
let mut state = mutex.borrow_mut();
match request {
zxdg_positioner_v6::Request::Destroy => {
// handled by destructor
}
zxdg_positioner_v6::Request::SetSize { width, height } => {
if width < 1 || height < 1 {
positioner.as_ref().post_error(
zxdg_positioner_v6::Error::InvalidInput as u32,
"Invalid size for positioner.".into(),
);
} else {
state.rect_size = (width, height);
}
}
zxdg_positioner_v6::Request::SetAnchorRect { x, y, width, height } => {
if width < 1 || height < 1 {
positioner.as_ref().post_error(
zxdg_positioner_v6::Error::InvalidInput as u32,
"Invalid size for positioner's anchor rectangle.".into(),
);
} else {
state.anchor_rect = Rectangle { x, y, width, height };
}
}
zxdg_positioner_v6::Request::SetAnchor { anchor } => {
if let Some(anchor) = zxdg_anchor_to_xdg(anchor) {
state.anchor_edges = anchor;
} else {
positioner.as_ref().post_error(
zxdg_positioner_v6::Error::InvalidInput as u32,
"Invalid anchor for positioner.".into(),
);
}
}
zxdg_positioner_v6::Request::SetGravity { gravity } => {
if let Some(gravity) = zxdg_gravity_to_xdg(gravity) {
state.gravity = gravity;
} else {
positioner.as_ref().post_error(
zxdg_positioner_v6::Error::InvalidInput as u32,
"Invalid gravity for positioner.".into(),
);
}
}
zxdg_positioner_v6::Request::SetConstraintAdjustment {
constraint_adjustment,
} => {
let constraint_adjustment =
zxdg_positioner_v6::ConstraintAdjustment::from_bits_truncate(constraint_adjustment);
state.constraint_adjustment = zxdg_constraints_adg_to_xdg(constraint_adjustment);
}
zxdg_positioner_v6::Request::SetOffset { x, y } => {
state.offset = (x, y);
}
_ => unreachable!(),
}
});
positioner
.as_ref()
.user_data()
.set(|| RefCell::new(PositionerState::new()));
positioner.deref().clone()
}
/*
* xdg_surface
*/
struct XdgSurfaceUserData<R> {
shell_data: ShellData<R>,
wl_surface: wl_surface::WlSurface,
shell: zxdg_shell_v6::ZxdgShellV6,
}
fn destroy_surface<R>(surface: zxdg_surface_v6::ZxdgSurfaceV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = surface
.as_ref()
.user_data()
.get::<XdgSurfaceUserData<R>>()
.unwrap();
if !data.wl_surface.as_ref().is_alive() {
// the wl_surface is destroyed, this means the client is not
// trying to change the role but it's a cleanup (possibly a
// disconnecting client), ignore the protocol check.
return;
}
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |rdata| {
if let XdgSurfacePendingState::None = rdata.pending_state {
// all is good
} else {
data.shell.as_ref().post_error(
zxdg_shell_v6::Error::Role as u32,
"xdg_surface was destroyed before its role object".into(),
);
}
})
.expect("xdg_surface exists but surface has not shell_surface role?!");
}
fn xdg_surface_implementation<R>(
request: zxdg_surface_v6::Request,
xdg_surface: zxdg_surface_v6::ZxdgSurfaceV6,
) where
R: Role<XdgSurfaceRole> + 'static,
{
let data = xdg_surface
.as_ref()
.user_data()
.get::<XdgSurfaceUserData<R>>()
.unwrap();
match request {
zxdg_surface_v6::Request::Destroy => {
// all is handled by our destructor
}
zxdg_surface_v6::Request::GetToplevel { id } => {
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_state = XdgSurfacePendingState::Toplevel(ToplevelState {
parent: None,
title: String::new(),
app_id: String::new(),
min_size: (0, 0),
max_size: (0, 0),
});
})
.expect("xdg_surface exists but surface has not shell_surface role?!");
id.quick_assign(|toplevel, req, _data| {
toplevel_implementation::<R>(req, toplevel.deref().clone())
});
id.assign_destructor(Filter::new(|toplevel, _, _data| destroy_toplevel::<R>(toplevel)));
id.as_ref().user_data().set(|| ShellSurfaceUserData {
shell_data: data.shell_data.clone(),
wl_surface: data.wl_surface.clone(),
shell: data.shell.clone(),
xdg_surface: xdg_surface.clone(),
});
data.shell_data
.shell_state
.lock()
.unwrap()
.known_toplevels
.push(make_toplevel_handle(&id));
let handle = make_toplevel_handle(&id);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::NewToplevel { surface: handle });
}
zxdg_surface_v6::Request::GetPopup {
id,
parent,
positioner,
} => {
let positioner_data = positioner
.as_ref()
.user_data()
.get::<RefCell<PositionerState>>()
.unwrap();
let parent_data = parent
.as_ref()
.user_data()
.get::<XdgSurfaceUserData<R>>()
.unwrap();
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_state = XdgSurfacePendingState::Popup(PopupState {
parent: Some(parent_data.wl_surface.clone()),
positioner: positioner_data.borrow().clone(),
});
})
.expect("xdg_surface exists but surface has not shell_surface role?!");
id.quick_assign(|popup, req, _data| popup_implementation::<R>(req, popup.deref().clone()));
id.assign_destructor(Filter::new(|popup, _, _data| destroy_popup::<R>(popup)));
id.as_ref().user_data().set(|| ShellSurfaceUserData {
shell_data: data.shell_data.clone(),
wl_surface: data.wl_surface.clone(),
shell: data.shell.clone(),
xdg_surface: xdg_surface.clone(),
});
data.shell_data
.shell_state
.lock()
.unwrap()
.known_popups
.push(make_popup_handle(&id));
let handle = make_popup_handle(&id);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::NewPopup { surface: handle });
}
zxdg_surface_v6::Request::SetWindowGeometry { x, y, width, height } => {
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.window_geometry = Some(Rectangle { x, y, width, height });
})
.expect("xdg_surface exists but surface has not shell_surface role?!");
}
zxdg_surface_v6::Request::AckConfigure { serial } => {
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |role_data| {
let mut found = false;
role_data.pending_configures.retain(|&s| {
if s == serial {
found = true;
}
s > serial
});
if !found {
// client responded to a non-existing configure
data.shell.as_ref().post_error(
zxdg_shell_v6::Error::InvalidSurfaceState as u32,
format!("Wrong configure serial: {}", serial),
);
}
role_data.configured = true;
})
.expect("xdg_surface exists but surface has not shell_surface role?!");
let mut user_impl = data.shell_data.user_impl.borrow_mut();
let serial = Serial::from(serial);
(&mut *user_impl)(XdgRequest::AckConfigure {
surface: data.wl_surface.clone(),
serial,
});
}
_ => unreachable!(),
}
}
/*
* xdg_toplevel
*/
pub struct ShellSurfaceUserData<R> {
pub(crate) shell_data: ShellData<R>,
pub(crate) wl_surface: wl_surface::WlSurface,
pub(crate) shell: zxdg_shell_v6::ZxdgShellV6,
pub(crate) xdg_surface: zxdg_surface_v6::ZxdgSurfaceV6,
}
// Utility functions allowing to factor out a lot of the upcoming logic
fn with_surface_toplevel_data<R, F>(toplevel: &zxdg_toplevel_v6::ZxdgToplevelV6, f: F)
where
R: Role<XdgSurfaceRole> + 'static,
F: FnOnce(&mut ToplevelState),
{
let data = toplevel
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| match data.pending_state {
XdgSurfacePendingState::Toplevel(ref mut toplevel_data) => f(toplevel_data),
_ => unreachable!(),
})
.expect("xdg_toplevel exists but surface has not shell_surface role?!");
}
pub fn send_toplevel_configure<R>(resource: &zxdg_toplevel_v6::ZxdgToplevelV6, configure: ToplevelConfigure)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = resource
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
let (width, height) = configure.size.unwrap_or((0, 0));
// convert the Vec<State> (which is really a Vec<u32>) into Vec<u8>
let states = {
let mut states = configure.states;
let ptr = states.as_mut_ptr();
let len = states.len();
let cap = states.capacity();
::std::mem::forget(states);
unsafe { Vec::from_raw_parts(ptr as *mut u8, len * 4, cap * 4) }
};
let serial = configure.serial;
resource.configure(width, height, states);
data.xdg_surface.configure(serial.into());
// Add the configure as pending
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_configures.push(serial.into())
})
.expect("xdg_toplevel exists but surface has not shell_surface role?!");
}
fn make_toplevel_handle<R: 'static>(
resource: &zxdg_toplevel_v6::ZxdgToplevelV6,
) -> super::ToplevelSurface<R> {
let data = resource
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
super::ToplevelSurface {
wl_surface: data.wl_surface.clone(),
shell_surface: ToplevelKind::ZxdgV6(resource.clone()),
token: data.shell_data.compositor_token,
}
}
fn toplevel_implementation<R>(request: zxdg_toplevel_v6::Request, toplevel: zxdg_toplevel_v6::ZxdgToplevelV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = toplevel
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
match request {
zxdg_toplevel_v6::Request::Destroy => {
// all it done by the destructor
}
zxdg_toplevel_v6::Request::SetParent { parent } => {
with_surface_toplevel_data::<R, _>(&toplevel, |toplevel_data| {
toplevel_data.parent = parent.map(|toplevel_surface_parent| {
let parent_data = toplevel_surface_parent
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
parent_data.wl_surface.clone()
})
});
}
zxdg_toplevel_v6::Request::SetTitle { title } => {
with_surface_toplevel_data::<R, _>(&toplevel, |toplevel_data| {
toplevel_data.title = title;
});
}
zxdg_toplevel_v6::Request::SetAppId { app_id } => {
with_surface_toplevel_data::<R, _>(&toplevel, |toplevel_data| {
toplevel_data.app_id = app_id;
});
}
zxdg_toplevel_v6::Request::ShowWindowMenu { seat, serial, x, y } => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
let serial = Serial::from(serial);
(&mut *user_impl)(XdgRequest::ShowWindowMenu {
surface: handle,
seat,
serial,
location: (x, y),
});
}
zxdg_toplevel_v6::Request::Move { seat, serial } => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
let serial = Serial::from(serial);
(&mut *user_impl)(XdgRequest::Move {
surface: handle,
seat,
serial,
});
}
zxdg_toplevel_v6::Request::Resize { seat, serial, edges } => {
let edges =
zxdg_toplevel_v6::ResizeEdge::from_raw(edges).unwrap_or(zxdg_toplevel_v6::ResizeEdge::None);
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
let serial = Serial::from(serial);
(&mut *user_impl)(XdgRequest::Resize {
surface: handle,
seat,
serial,
edges: zxdg_edges_to_xdg(edges),
});
}
zxdg_toplevel_v6::Request::SetMaxSize { width, height } => {
with_surface_toplevel_data::<R, _>(&toplevel, |toplevel_data| {
toplevel_data.max_size = (width, height);
});
}
zxdg_toplevel_v6::Request::SetMinSize { width, height } => {
with_surface_toplevel_data::<R, _>(&toplevel, |toplevel_data| {
toplevel_data.min_size = (width, height);
});
}
zxdg_toplevel_v6::Request::SetMaximized => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::Maximize { surface: handle });
}
zxdg_toplevel_v6::Request::UnsetMaximized => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::UnMaximize { surface: handle });
}
zxdg_toplevel_v6::Request::SetFullscreen { output } => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::Fullscreen {
surface: handle,
output,
});
}
zxdg_toplevel_v6::Request::UnsetFullscreen => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::UnFullscreen { surface: handle });
}
zxdg_toplevel_v6::Request::SetMinimized => {
let handle = make_toplevel_handle(&toplevel);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
(&mut *user_impl)(XdgRequest::Minimize { surface: handle });
}
_ => unreachable!(),
}
}
fn destroy_toplevel<R>(toplevel: zxdg_toplevel_v6::ZxdgToplevelV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = toplevel
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
if !data.wl_surface.as_ref().is_alive() {
// the wl_surface is destroyed, this means the client is not
// trying to change the role but it's a cleanup (possibly a
// disconnecting client), ignore the protocol check.
} else {
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_state = XdgSurfacePendingState::None;
data.configured = false;
})
.expect("xdg_toplevel exists but surface has not shell_surface role?!");
}
// remove this surface from the known ones (as well as any leftover dead surface)
data.shell_data
.shell_state
.lock()
.unwrap()
.known_toplevels
.retain(|other| other.alive());
}
/*
* xdg_popup
*/
pub(crate) fn send_popup_configure<R>(resource: &zxdg_popup_v6::ZxdgPopupV6, configure: PopupConfigure)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = resource
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
let (x, y) = configure.position;
let (width, height) = configure.size;
let serial = configure.serial;
resource.configure(x, y, width, height);
data.xdg_surface.configure(serial.into());
// Add the configure as pending
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_configures.push(serial.into())
})
.expect("xdg_toplevel exists but surface has not shell_surface role?!");
}
fn make_popup_handle<R: 'static>(resource: &zxdg_popup_v6::ZxdgPopupV6) -> super::PopupSurface<R> {
let data = resource
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
super::PopupSurface {
wl_surface: data.wl_surface.clone(),
shell_surface: PopupKind::ZxdgV6(resource.clone()),
token: data.shell_data.compositor_token,
}
}
fn popup_implementation<R>(request: zxdg_popup_v6::Request, popup: zxdg_popup_v6::ZxdgPopupV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = popup
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
match request {
zxdg_popup_v6::Request::Destroy => {
// all is handled by our destructor
}
zxdg_popup_v6::Request::Grab { seat, serial } => {
let handle = make_popup_handle(&popup);
let mut user_impl = data.shell_data.user_impl.borrow_mut();
let serial = Serial::from(serial);
(&mut *user_impl)(XdgRequest::Grab {
surface: handle,
seat,
serial,
});
}
_ => unreachable!(),
}
}
fn destroy_popup<R>(popup: zxdg_popup_v6::ZxdgPopupV6)
where
R: Role<XdgSurfaceRole> + 'static,
{
let data = popup
.as_ref()
.user_data()
.get::<ShellSurfaceUserData<R>>()
.unwrap();
if !data.wl_surface.as_ref().is_alive() {
// the wl_surface is destroyed, this means the client is not
// trying to change the role but it's a cleanup (possibly a
// disconnecting client), ignore the protocol check.
} else {
data.shell_data
.compositor_token
.with_role_data::<XdgSurfaceRole, _, _>(&data.wl_surface, |data| {
data.pending_state = XdgSurfacePendingState::None;
data.configured = false;
})
.expect("xdg_popup exists but surface has not shell_surface role?!");
}
// remove this surface from the known ones (as well as any leftover dead surface)
data.shell_data
.shell_state
.lock()
.unwrap()
.known_popups
.retain(|other| other.alive());
}
fn zxdg_edges_to_xdg(e: zxdg_toplevel_v6::ResizeEdge) -> xdg_toplevel::ResizeEdge {
match e {
zxdg_toplevel_v6::ResizeEdge::None => xdg_toplevel::ResizeEdge::None,
zxdg_toplevel_v6::ResizeEdge::Top => xdg_toplevel::ResizeEdge::Top,
zxdg_toplevel_v6::ResizeEdge::Bottom => xdg_toplevel::ResizeEdge::Bottom,
zxdg_toplevel_v6::ResizeEdge::Left => xdg_toplevel::ResizeEdge::Left,
zxdg_toplevel_v6::ResizeEdge::Right => xdg_toplevel::ResizeEdge::Right,
zxdg_toplevel_v6::ResizeEdge::TopLeft => xdg_toplevel::ResizeEdge::TopLeft,
zxdg_toplevel_v6::ResizeEdge::TopRight => xdg_toplevel::ResizeEdge::TopRight,
zxdg_toplevel_v6::ResizeEdge::BottomLeft => xdg_toplevel::ResizeEdge::BottomLeft,
zxdg_toplevel_v6::ResizeEdge::BottomRight => xdg_toplevel::ResizeEdge::BottomRight,
_ => unreachable!(),
}
}
fn zxdg_constraints_adg_to_xdg(
c: zxdg_positioner_v6::ConstraintAdjustment,
) -> xdg_positioner::ConstraintAdjustment {
xdg_positioner::ConstraintAdjustment::from_bits_truncate(c.bits())
}
fn zxdg_gravity_to_xdg(c: zxdg_positioner_v6::Gravity) -> Option<xdg_positioner::Gravity> {
match c.bits() {
0b0000 => Some(xdg_positioner::Gravity::None),
0b0001 => Some(xdg_positioner::Gravity::Top),
0b0010 => Some(xdg_positioner::Gravity::Bottom),
0b0100 => Some(xdg_positioner::Gravity::Left),
0b0101 => Some(xdg_positioner::Gravity::TopLeft),
0b0110 => Some(xdg_positioner::Gravity::BottomLeft),
0b1000 => Some(xdg_positioner::Gravity::Right),
0b1001 => Some(xdg_positioner::Gravity::TopRight),
0b1010 => Some(xdg_positioner::Gravity::BottomRight),
_ => None,
}
}
fn zxdg_anchor_to_xdg(c: zxdg_positioner_v6::Anchor) -> Option<xdg_positioner::Anchor> {
match c.bits() {
0b0000 => Some(xdg_positioner::Anchor::None),
0b0001 => Some(xdg_positioner::Anchor::Top),
0b0010 => Some(xdg_positioner::Anchor::Bottom),
0b0100 => Some(xdg_positioner::Anchor::Left),
0b0101 => Some(xdg_positioner::Anchor::TopLeft),
0b0110 => Some(xdg_positioner::Anchor::BottomLeft),
0b1000 => Some(xdg_positioner::Anchor::Right),
0b1001 => Some(xdg_positioner::Anchor::TopRight),
0b1010 => Some(xdg_positioner::Anchor::BottomRight),
_ => None,
}
}