Merge pull request #674 from vberger/master

Wayland backend rewrite and activation.
This commit is contained in:
Victor Berger 2015-12-22 15:43:23 +01:00
commit f76aba3d37
9 changed files with 842 additions and 719 deletions

View file

@ -82,42 +82,42 @@ dwmapi-sys = "0.1"
[target.i686-unknown-linux-gnu.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"
[target.x86_64-unknown-linux-gnu.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"
[target.arm-unknown-linux-gnueabihf.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"
[target.aarch64-unknown-linux-gnu.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"
[target.x86_64-unknown-dragonfly.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"
[target.x86_64-unknown-freebsd.dependencies]
osmesa-sys = "0.0.5"
wayland-client = { version = "0.2.1", features = ["egl", "dlopen"] }
wayland-kbd = "0.2.0"
wayland-window = "0.1.0"
wayland-client = { version = "0.5.4", features = ["egl", "dlopen"] }
wayland-kbd = "0.3.3"
wayland-window = "0.2.2"
x11-dl = "~2.2"

View file

@ -1,228 +1,211 @@
use super::wayland::core::{default_display, Display, Registry};
use super::wayland::core::compositor::{Compositor, SurfaceId, WSurface};
use super::wayland::core::output::Output;
use super::wayland::core::seat::{ButtonState, Seat, Pointer, Keyboard, KeyState};
use super::wayland::core::shell::Shell;
use super::wayland_kbd::MappedKeyboard;
use super::keyboard::keycode_to_vkey;
use Event as GlutinEvent;
use std::collections::{VecDeque, HashMap};
use std::collections::{HashMap, VecDeque, HashSet};
use std::sync::{Arc, Mutex};
use Event;
use MouseButton;
use ElementState;
use libc::c_void;
enum AnyKeyboard {
RawKeyBoard(Keyboard),
XKB(MappedKeyboard)
use wayland_client::{EventIterator, Proxy, ProxyId};
use wayland_client::wayland::get_display;
use wayland_client::wayland::compositor::{WlCompositor, WlSurface};
use wayland_client::wayland::output::WlOutput;
use wayland_client::wayland::seat::{WlSeat, WlPointer};
use wayland_client::wayland::shell::{WlShell, WlShellSurface};
use wayland_client::wayland::shm::WlShm;
use wayland_client::wayland::subcompositor::WlSubcompositor;
use super::wayland_kbd::MappedKeyboard;
use super::wayland_window::DecoratedSurface;
lazy_static! {
pub static ref WAYLAND_CONTEXT: Option<WaylandContext> = {
WaylandContext::init()
};
}
wayland_env!(InnerEnv,
compositor: WlCompositor,
seat: WlSeat,
shell: WlShell,
shm: WlShm,
subcompositor: WlSubcompositor
);
pub struct WaylandFocuses {
pub pointer: Option<WlPointer>,
pub pointer_on: Option<ProxyId>,
pub pointer_at: Option<(f64, f64)>,
pub keyboard: Option<MappedKeyboard>,
pub keyboard_on: Option<ProxyId>
}
pub struct WaylandContext {
pub display: Display,
pub registry: Registry,
pub compositor: Compositor,
pub shell: Shell,
pub seat: Seat,
pointer: Option<Mutex<Pointer<WSurface>>>,
keyboard: Option<AnyKeyboard>,
windows_event_queues: Arc<Mutex<HashMap<SurfaceId, Arc<Mutex<VecDeque<Event>>>>>>,
current_pointer_surface: Arc<Mutex<Option<SurfaceId>>>,
current_keyboard_surface: Arc<Mutex<Option<SurfaceId>>>,
pub outputs: Vec<Arc<Output>>
inner: InnerEnv,
iterator: Mutex<EventIterator>,
monitors: Vec<(WlOutput, u32, u32, String)>,
queues: Mutex<HashMap<ProxyId, Arc<Mutex<VecDeque<GlutinEvent>>>>>,
known_surfaces: Mutex<HashSet<ProxyId>>,
focuses: Mutex<WaylandFocuses>
}
impl WaylandContext {
pub fn new() -> Option<WaylandContext> {
let display = match default_display() {
Some(d) => d,
None => return None,
fn init() -> Option<WaylandContext> {
let display = match get_display() {
Some(display) => display,
None => return None
};
let registry = display.get_registry();
// let the registry get its events
display.sync_roundtrip();
let compositor = match registry.get_compositor() {
Some(c) => c,
None => return None,
};
let shell = match registry.get_shell() {
Some(s) => s,
None => return None,
};
let seat = match registry.get_seats().into_iter().next() {
Some(s) => s,
None => return None,
};
let outputs = registry.get_outputs().into_iter().map(Arc::new).collect::<Vec<_>>();
// let the other globals get their events
display.sync_roundtrip();
let current_pointer_surface = Arc::new(Mutex::new(None));
let (mut inner_env, iterator) = InnerEnv::init(display);
// rustc has trouble finding the correct type here, so we explicit it.
let windows_event_queues = Arc::new(Mutex::new(
HashMap::<SurfaceId, Arc<Mutex<VecDeque<Event>>>>::new()
));
let mut outputs_events = EventIterator::new();
// handle pointer inputs
let mut pointer = seat.get_pointer();
if let Some(ref mut p) = pointer {
// set the enter/leave callbacks
let current_surface = current_pointer_surface.clone();
p.set_enter_action(move |_, _, sid, x, y| {
*current_surface.lock().unwrap() = Some(sid);
});
let current_surface = current_pointer_surface.clone();
p.set_leave_action(move |_, _, sid| {
*current_surface.lock().unwrap() = None;
});
// set the events callbacks
let current_surface = current_pointer_surface.clone();
let event_queues = windows_event_queues.clone();
p.set_motion_action(move |_, _, x, y| {
// dispatch to the appropriate queue
let sid = *current_surface.lock().unwrap();
if let Some(sid) = sid {
let map = event_queues.lock().unwrap();
if let Some(queue) = map.get(&sid) {
queue.lock().unwrap().push_back(Event::MouseMoved((x as i32,y as i32)))
}
}
});
let current_surface = current_pointer_surface.clone();
let event_queues = windows_event_queues.clone();
p.set_button_action(move |_, _, sid, b, s| {
let button = match b {
0x110 => MouseButton::Left,
0x111 => MouseButton::Right,
0x112 => MouseButton::Middle,
_ => return
};
let state = match s {
ButtonState::Released => ElementState::Released,
ButtonState::Pressed => ElementState::Pressed
};
// dispatch to the appropriate queue
let sid = *current_surface.lock().unwrap();
if let Some(sid) = sid {
let map = event_queues.lock().unwrap();
if let Some(queue) = map.get(&sid) {
queue.lock().unwrap().push_back(Event::MouseInput(state, button))
}
}
});
}
let mut monitors = inner_env.globals.iter()
.flat_map(|&(id, _, _)| inner_env.rebind_id::<WlOutput>(id))
.map(|(mut monitor, _)| {
monitor.set_evt_iterator(&outputs_events);
(monitor, 0, 0, String::new())
}).collect();
// handle keyboard inputs
let mut keyboard = None;
let current_keyboard_surface = Arc::new(Mutex::new(None));
if let Some(mut wkbd) = seat.get_keyboard() {
display.sync_roundtrip();
inner_env.display.sync_roundtrip().unwrap();
let current_surface = current_keyboard_surface.clone();
wkbd.set_enter_action(move |_, _, sid, _| {
*current_surface.lock().unwrap() = Some(sid);
});
let current_surface = current_keyboard_surface.clone();
wkbd.set_leave_action(move |_, _, sid| {
*current_surface.lock().unwrap() = None;
});
let kbd = match MappedKeyboard::new(wkbd) {
Ok(mkbd) => {
// We managed to load a keymap
let current_surface = current_keyboard_surface.clone();
let event_queues = windows_event_queues.clone();
mkbd.set_key_action(move |state, _, _, _, keycode, keystate| {
let kstate = match keystate {
KeyState::Released => ElementState::Released,
KeyState::Pressed => ElementState::Pressed
};
let mut events = Vec::new();
// key event
events.push(Event::KeyboardInput(
kstate,
(keycode & 0xff) as u8,
keycode_to_vkey(state, keycode)
));
// utf8 events
if kstate == ElementState::Pressed {
if let Some(txt) = state.get_utf8(keycode) {
events.extend(
txt.chars().map(Event::ReceivedCharacter)
);
}
}
// dispatch to the appropriate queue
let sid = *current_surface.lock().unwrap();
if let Some(sid) = sid {
let map = event_queues.lock().unwrap();
if let Some(queue) = map.get(&sid) {
queue.lock().unwrap().extend(events.into_iter());
}
}
});
AnyKeyboard::XKB(mkbd)
},
Err(mut rkbd) => {
// fallback to raw inputs, no virtual keycodes
let current_surface = current_keyboard_surface.clone();
let event_queues = windows_event_queues.clone();
rkbd.set_key_action(move |_, _, _, keycode, keystate| {
let kstate = match keystate {
KeyState::Released => ElementState::Released,
KeyState::Pressed => ElementState::Pressed
};
let event = Event::KeyboardInput(kstate, (keycode & 0xff) as u8, None);
// dispatch to the appropriate queue
let sid = *current_surface.lock().unwrap();
if let Some(sid) = sid {
let map = event_queues.lock().unwrap();
if let Some(queue) = map.get(&sid) {
queue.lock().unwrap().push_back(event);
}
}
});
AnyKeyboard::RawKeyBoard(rkbd)
}
};
keyboard = Some(kbd);
}
super::monitor::init_monitors(&mut monitors, outputs_events);
Some(WaylandContext {
display: display,
registry: registry,
compositor: compositor,
shell: shell,
seat: seat,
pointer: pointer.map(|p| Mutex::new(p)),
keyboard: keyboard,
windows_event_queues: windows_event_queues,
current_pointer_surface: current_pointer_surface,
current_keyboard_surface: current_keyboard_surface,
outputs: outputs
inner: inner_env,
iterator: Mutex::new(iterator),
monitors: monitors,
queues: Mutex::new(HashMap::new()),
known_surfaces: Mutex::new(HashSet::new()),
focuses: Mutex::new(WaylandFocuses {
pointer: None,
pointer_on: None,
pointer_at: None,
keyboard: None,
keyboard_on: None
})
})
}
pub fn register_surface(&self, sid: SurfaceId, queue: Arc<Mutex<VecDeque<Event>>>) {
self.windows_event_queues.lock().unwrap().insert(sid, queue);
if let Some(ref p) = self.pointer {
p.lock().unwrap().add_handled_surface(sid);
pub fn new_surface(&self) -> Option<(WlSurface, Arc<Mutex<VecDeque<GlutinEvent>>>)> {
self.inner.compositor.as_ref().map(|c| {
let s = c.0.create_surface();
let id = s.id();
let queue = {
let mut q = VecDeque::new();
q.push_back(GlutinEvent::Refresh);
Arc::new(Mutex::new(q))
};
self.queues.lock().unwrap().insert(id, queue.clone());
self.known_surfaces.lock().unwrap().insert(id);
(s, queue)
})
}
pub fn dropped_surface(&self, id: ProxyId) {
self.queues.lock().unwrap().remove(&id);
self.known_surfaces.lock().unwrap().remove(&id);
}
pub fn decorated_from(&self, surface: &WlSurface, width: i32, height: i32) -> Option<DecoratedSurface> {
let inner = &self.inner;
match (&inner.compositor, &inner.subcompositor, &inner.shm, &inner.shell) {
(&Some(ref compositor), &Some(ref subcompositor), &Some(ref shm), &Some(ref shell)) => {
DecoratedSurface::new(
surface, width, height,
&compositor.0, &subcompositor.0, &shm.0, &shell.0,
self.inner.rebind::<WlSeat>().map(|(seat, _)| seat)
).ok()
}
_ => None
}
}
pub fn deregister_surface(&self, sid: SurfaceId) {
self.windows_event_queues.lock().unwrap().remove(&sid);
if let Some(ref p) = self.pointer {
p.lock().unwrap().remove_handled_surface(sid);
pub fn plain_from(&self, surface: &WlSurface, fullscreen: Option<ProxyId>) -> Option<WlShellSurface> {
use wayland_client::wayland::shell::WlShellSurfaceFullscreenMethod;
let inner = &self.inner;
if let Some((ref shell, _)) = inner.shell {
let shell_surface = shell.get_shell_surface(surface);
if let Some(monitor_id) = fullscreen {
for m in &self.monitors {
if m.0.id() == monitor_id {
shell_surface.set_fullscreen(
WlShellSurfaceFullscreenMethod::Default,
0,
Some(&m.0)
);
return Some(shell_surface)
}
}
}
shell_surface.set_toplevel();
Some(shell_surface)
} else {
None
}
}
pub fn push_event_for(&self, sid: SurfaceId, evt: Event) {
let mut guard = self.windows_event_queues.lock().unwrap();
if let Some(queue) = guard.get(&sid) {
queue.lock().unwrap().push_back(evt);
pub fn display_ptr(&self) -> *const c_void {
self.inner.display.ptr() as *const _
}
pub fn dispatch_events(&self) {
self.inner.display.dispatch_pending().unwrap();
let mut iterator = self.iterator.lock().unwrap();
let mut focuses = self.focuses.lock().unwrap();
let known_surfaces = self.known_surfaces.lock().unwrap();
let queues = self.queues.lock().unwrap();
// first, keyboard events
let kdb_evts = super::keyboard::translate_kbd_events(&mut *focuses, &known_surfaces);
for (evt, id) in kdb_evts {
if let Some(q) = queues.get(&id) {
q.lock().unwrap().push_back(evt);
}
}
// then, the rest
for evt in &mut *iterator {
if let Some((evt, id)) = super::events::translate_event(
evt, &mut *focuses, &known_surfaces,
self.inner.seat.as_ref().map(|s| &s.0))
{
if let Some(q) = queues.get(&id) {
q.lock().unwrap().push_back(evt);
}
}
}
}
pub fn flush_events(&self) -> ::std::io::Result<i32> {
self.inner.display.flush()
}
pub fn read_events(&self) -> ::std::io::Result<Option<i32>> {
let guard = match self.inner.display.prepare_read() {
Some(g) => g,
None => return Ok(None)
};
return guard.read_events().map(|i| Some(i));
}
pub fn monitor_ids(&self) -> Vec<ProxyId> {
self.monitors.iter().map(|o| o.0.id()).collect()
}
pub fn monitor_name(&self, pid: ProxyId) -> Option<String> {
for o in &self.monitors {
if o.0.id() == pid {
return Some(o.3.clone())
}
}
None
}
pub fn monitor_dimensions(&self, pid: ProxyId) -> Option<(u32, u32)> {
for o in &self.monitors {
if o.0.id() == pid {
return Some((o.1, o.2))
}
}
None
}
}

110
src/api/wayland/events.rs Normal file
View file

@ -0,0 +1,110 @@
use std::collections::HashSet;
use Event as GlutinEvent;
use ElementState;
use MouseButton;
use MouseScrollDelta;
use wayland_client::Event as WaylandEvent;
use wayland_client::ProxyId;
use wayland_client::wayland::WaylandProtocolEvent as WPE;
use wayland_client::wayland::seat::{WlSeat, WlSeatEvent, WlPointerEvent,
WlPointerButtonState,
WlPointerAxis, WlSeatCapability};
use super::wayland_kbd::MappedKeyboard;
use super::context::WaylandFocuses;
pub fn translate_event(
evt: WaylandEvent,
focuses: &mut WaylandFocuses,
known_surfaces: &HashSet<ProxyId>,
seat: Option<&WlSeat>,
) -> Option<(GlutinEvent, ProxyId)>
{
let WaylandEvent::Wayland(wayland_evt) = evt;
match wayland_evt {
WPE::WlSeat(_, seat_evt) => match seat_evt {
WlSeatEvent::Capabilities(cap) => {
if cap.contains(WlSeatCapability::Pointer) && focuses.pointer.is_none() {
if let Some(seat) = seat {
focuses.pointer = Some(seat.get_pointer());
}
}
if cap.contains(WlSeatCapability::Keyboard) && focuses.keyboard.is_none() {
if let Some(seat) = seat {
match MappedKeyboard::new(seat) {
Ok(mk) => {
focuses.keyboard = Some(mk)
},
Err(_) => {}
}
}
}
None
},
_ => None
},
WPE::WlPointer(_, pointer_evt) => match pointer_evt {
WlPointerEvent::Enter(_, surface, x, y) => {
if known_surfaces.contains(&surface) {
focuses.pointer_on = Some(surface);
focuses.pointer_at = Some((x, y));
Some((GlutinEvent::MouseMoved((x as i32, y as i32)), surface))
} else {
None
}
}
WlPointerEvent::Leave(_, _) => {
focuses.pointer_on = None;
focuses.pointer_at = None;
None
}
WlPointerEvent::Motion(_, x, y) => {
if let Some(surface) = focuses.pointer_on {
focuses.pointer_at = Some((x, y));
Some((GlutinEvent::MouseMoved((x as i32, y as i32)), surface))
} else {
None
}
}
WlPointerEvent::Button(_, _, button, state) => {
if let Some(surface) = focuses.pointer_on {
Some((GlutinEvent::MouseInput(
match state {
WlPointerButtonState::Pressed => ElementState::Pressed,
WlPointerButtonState::Released => ElementState::Released
},
match button {
0x110 => MouseButton::Left,
0x111 => MouseButton::Right,
0x112 => MouseButton::Middle,
// TODO figure out the translation ?
_ => return None
}
), surface))
} else {
None
}
}
WlPointerEvent::Axis(_, axis, amplitude) => {
if let Some(surface) = focuses.pointer_on {
Some((GlutinEvent::MouseWheel(
match axis {
WlPointerAxis::VerticalScroll => {
MouseScrollDelta::PixelDelta(amplitude as f32, 0.0)
}
WlPointerAxis::HorizontalScroll => {
MouseScrollDelta::PixelDelta(0.0, amplitude as f32)
}
}
), surface))
} else {
None
}
}
},
_ => None
}
}

View file

@ -1,26 +1,85 @@
use super::wayland_kbd::{KbState, keysyms};
use std::collections::HashSet;
use Event as GlutinEvent;
use ElementState;
use VirtualKeyCode;
pub fn keycode_to_vkey(state: &KbState, keycode: u32) -> Option<VirtualKeyCode> {
// first line is hard-coded because it must be case insensitive
// and is a linux constant anyway
match keycode {
1 => return Some(VirtualKeyCode::Escape),
2 => return Some(VirtualKeyCode::Key1),
3 => return Some(VirtualKeyCode::Key2),
4 => return Some(VirtualKeyCode::Key3),
5 => return Some(VirtualKeyCode::Key4),
6 => return Some(VirtualKeyCode::Key5),
7 => return Some(VirtualKeyCode::Key6),
8 => return Some(VirtualKeyCode::Key7),
9 => return Some(VirtualKeyCode::Key8),
10 => return Some(VirtualKeyCode::Key9),
11 => return Some(VirtualKeyCode::Key0),
use wayland_client::ProxyId;
use wayland_client::wayland::seat::{WlKeyboardEvent,WlKeyboardKeyState};
use super::wayland_kbd::MappedKeyboardEvent;
use super::context::WaylandFocuses;
pub fn translate_kbd_events(
focuses: &mut WaylandFocuses,
known_surfaces: &HashSet<ProxyId>,
) -> Vec<(GlutinEvent, ProxyId)> {
let mut out = Vec::new();
if let Some(mkbd) = focuses.keyboard.as_mut() {
for evt in mkbd {
match evt {
MappedKeyboardEvent::KeyEvent(kevt) => {
if let Some(surface) = focuses.keyboard_on {
let vkcode = match kevt.keycode {
1 => Some(VirtualKeyCode::Escape),
2 => Some(VirtualKeyCode::Key1),
3 => Some(VirtualKeyCode::Key2),
4 => Some(VirtualKeyCode::Key3),
5 => Some(VirtualKeyCode::Key4),
6 => Some(VirtualKeyCode::Key5),
7 => Some(VirtualKeyCode::Key6),
8 => Some(VirtualKeyCode::Key7),
9 => Some(VirtualKeyCode::Key8),
10 => Some(VirtualKeyCode::Key9),
11 => Some(VirtualKeyCode::Key0),
_ => kevt.as_symbol().and_then(keysym_to_vkey)
};
let text = kevt.as_utf8();
out.push((
GlutinEvent::KeyboardInput(
match kevt.keystate {
WlKeyboardKeyState::Pressed => ElementState::Pressed,
WlKeyboardKeyState::Released =>ElementState::Released
},
(kevt.keycode & 0xff) as u8,
vkcode
),
surface
));
if let Some(c) = text.and_then(|s| s.chars().next()) {
out.push((
GlutinEvent::ReceivedCharacter(c),
surface
));
}
}
}
MappedKeyboardEvent::Other(oevt) => match oevt {
WlKeyboardEvent::Enter(_, surface, _) => {
if known_surfaces.contains(&surface) {
focuses.keyboard_on = Some(surface);
out.push((GlutinEvent::Focused(true), surface));
}
},
WlKeyboardEvent::Leave(_, surface) => {
if known_surfaces.contains(&surface) {
focuses.keyboard_on = None;
out.push((GlutinEvent::Focused(false), surface));
}
}
_ => {}
}
// for other keys, we use the keysym
return match state.get_one_sym(keycode) {
}
}
}
out
}
pub fn keysym_to_vkey(keysym: u32) -> Option<VirtualKeyCode> {
use super::wayland_kbd::keysyms;
match keysym {
// letters
keysyms::XKB_KEY_A | keysyms::XKB_KEY_a => Some(VirtualKeyCode::A),
keysyms::XKB_KEY_B | keysyms::XKB_KEY_b => Some(VirtualKeyCode::B),

View file

@ -1,495 +1,18 @@
#![cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd"))]
#![allow(unused_variables, dead_code)]
use self::wayland::egl::{EGLSurface, is_egl_available};
use self::wayland::core::Surface;
use self::wayland::core::output::Output;
use self::wayland::core::shell::{ShellSurface, ShellFullscreenMethod};
pub use self::monitor::{MonitorId, get_available_monitors, get_primary_monitor};
pub use self::window::{PollEventsIterator, WaitEventsIterator, Window, WindowProxy};
use self::wayland_window::{DecoratedSurface, SurfaceGuard, substract_borders};
use libc;
use api::dlopen;
use api::egl;
use api::egl::Context as EglContext;
use ContextError;
use CreationError;
use Event;
use PixelFormat;
use CursorState;
use MouseCursor;
use GlAttributes;
use GlContext;
use PixelFormatRequirements;
use WindowAttributes;
use std::collections::VecDeque;
use std::ops::{Deref, DerefMut};
use std::sync::{Arc, Mutex};
use std::ffi::CString;
use platform::MonitorId as PlatformMonitorId;
use self::context::WaylandContext;
extern crate wayland_client as wayland;
extern crate wayland_kbd;
extern crate wayland_window;
mod context;
mod events;
mod keyboard;
lazy_static! {
static ref WAYLAND_CONTEXT: Option<WaylandContext> = {
WaylandContext::new()
};
}
mod monitor;
mod window;
#[inline]
pub fn is_available() -> bool {
WAYLAND_CONTEXT.is_some()
}
enum ShellWindow {
Plain(ShellSurface<EGLSurface>),
Decorated(DecoratedSurface<EGLSurface>)
}
impl ShellWindow {
#[inline]
fn get_shell(&mut self) -> ShellGuard {
match self {
&mut ShellWindow::Plain(ref mut s) => {
ShellGuard::Plain(s)
},
&mut ShellWindow::Decorated(ref mut s) => {
ShellGuard::Decorated(s.get_shell())
}
}
}
fn resize(&mut self, w: i32, h: i32, x: i32, y: i32) {
match self {
&mut ShellWindow::Plain(ref s) => s.resize(w, h, x, y),
&mut ShellWindow::Decorated(ref mut s) => {
s.resize(w, h);
s.get_shell().resize(w, h, x, y);
}
}
}
fn set_cfg_callback(&mut self, arc: Arc<Mutex<(i32, i32, bool)>>) {
match self {
&mut ShellWindow::Decorated(ref mut s) => {
s.get_shell().set_configure_callback(move |_, w, h| {
let (w, h) = substract_borders(w, h);
let mut guard = arc.lock().unwrap();
*guard = (w, h, true);
})
}
_ => {}
}
}
}
enum ShellGuard<'a> {
Plain(&'a mut ShellSurface<EGLSurface>),
Decorated(SurfaceGuard<'a, EGLSurface>)
}
impl<'a> Deref for ShellGuard<'a> {
type Target = ShellSurface<EGLSurface>;
#[inline]
fn deref(&self) -> &ShellSurface<EGLSurface> {
match self {
&ShellGuard::Plain(ref s) => s,
&ShellGuard::Decorated(ref s) => s.deref()
}
}
}
impl<'a> DerefMut for ShellGuard<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut ShellSurface<EGLSurface> {
match self {
&mut ShellGuard::Plain(ref mut s) => s,
&mut ShellGuard::Decorated(ref mut s) => s.deref_mut()
}
}
}
pub struct Window {
shell_window: Mutex<ShellWindow>,
pending_events: Arc<Mutex<VecDeque<Event>>>,
need_resize: Arc<Mutex<(i32, i32, bool)>>,
resize_callback: Option<fn(u32, u32)>,
pub context: EglContext,
}
// private methods of wayalnd windows
impl Window {
fn resize_if_needed(&self) -> bool {
let mut guard = self.need_resize.lock().unwrap();
let (w, h, b) = *guard;
*guard = (0, 0, false);
if b {
let mut guard = self.shell_window.lock().unwrap();
guard.resize(w, h, 0, 0);
if let Some(f) = self.resize_callback {
f(w as u32, h as u32);
}
if let Some(ref ctxt) = *WAYLAND_CONTEXT {
let mut window_guard = self.shell_window.lock().unwrap();
ctxt.push_event_for(
window_guard.get_shell().get_wsurface().get_id(),
Event::Resized(w as u32, h as u32)
);
}
}
b
}
}
#[derive(Clone)]
pub struct WindowProxy;
impl WindowProxy {
#[inline]
pub fn wakeup_event_loop(&self) {
if let Some(ref ctxt) = *WAYLAND_CONTEXT {
ctxt.display.sync();
}
}
}
#[derive(Clone)]
pub struct MonitorId {
output: Arc<Output>
}
#[inline]
pub fn get_available_monitors() -> VecDeque<MonitorId> {
WAYLAND_CONTEXT.as_ref().unwrap().outputs.iter().map(|o| MonitorId::new(o.clone())).collect()
}
#[inline]
pub fn get_primary_monitor() -> MonitorId {
match WAYLAND_CONTEXT.as_ref().unwrap().outputs.iter().next() {
Some(o) => MonitorId::new(o.clone()),
None => panic!("No monitor is available.")
}
}
impl MonitorId {
fn new(output: Arc<Output>) -> MonitorId {
MonitorId {
output: output
}
}
pub fn get_name(&self) -> Option<String> {
Some(format!("{} - {}", self.output.manufacturer(), self.output.model()))
}
#[inline]
pub fn get_native_identifier(&self) -> ::native_monitor::NativeMonitorId {
::native_monitor::NativeMonitorId::Unavailable
}
pub fn get_dimensions(&self) -> (u32, u32) {
let (w, h) = self.output.modes()
.into_iter()
.find(|m| m.is_current())
.map(|m| (m.width, m.height))
.unwrap();
(w as u32, h as u32)
}
}
pub struct PollEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
if let Some(ref ctxt) = *WAYLAND_CONTEXT {
ctxt.display.dispatch_pending();
}
if self.window.resize_if_needed() {
Some(Event::Refresh)
} else {
self.window.pending_events.lock().unwrap().pop_front()
}
}
}
pub struct WaitEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
let mut evt = None;
while evt.is_none() {
if let Some(ref ctxt) = *WAYLAND_CONTEXT {
ctxt.display.dispatch();
}
evt = if self.window.resize_if_needed() {
Some(Event::Refresh)
} else {
self.window.pending_events.lock().unwrap().pop_front()
};
}
evt
}
}
impl Window {
pub fn new(window: &WindowAttributes, pf_reqs: &PixelFormatRequirements,
opengl: &GlAttributes<&Window>) -> Result<Window, CreationError>
{
use self::wayland::internals::FFI;
// not implemented
assert!(window.min_dimensions.is_none());
assert!(window.max_dimensions.is_none());
let wayland_context = match *WAYLAND_CONTEXT {
Some(ref c) => c,
None => return Err(CreationError::NotSupported),
};
if !is_egl_available() { return Err(CreationError::NotSupported) }
let (w, h) = window.dimensions.unwrap_or((800, 600));
let surface = EGLSurface::new(
wayland_context.compositor.create_surface(),
w as i32,
h as i32
);
let mut shell_window = if let Some(PlatformMonitorId::Wayland(ref monitor)) = window.monitor {
let shell_surface = wayland_context.shell.get_shell_surface(surface);
shell_surface.set_fullscreen(ShellFullscreenMethod::Default, Some(&monitor.output));
ShellWindow::Plain(shell_surface)
} else {
if window.decorations {
ShellWindow::Decorated(match DecoratedSurface::new(
surface,
w as i32,
h as i32,
&wayland_context.registry,
Some(&wayland_context.seat)
) {
Ok(s) => s,
Err(_) => return Err(CreationError::NotSupported)
})
} else {
ShellWindow::Plain(wayland_context.shell.get_shell_surface(surface))
}
};
let context = {
let libegl = unsafe { dlopen::dlopen(b"libEGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
if libegl.is_null() {
return Err(CreationError::NotSupported);
}
let egl = ::api::egl::ffi::egl::Egl::load_with(|sym| {
let sym = CString::new(sym).unwrap();
unsafe { dlopen::dlsym(libegl, sym.as_ptr()) }
});
try!(EglContext::new(
egl,
pf_reqs, &opengl.clone().map_sharing(|_| unimplemented!()), // TODO:
egl::NativeDisplay::Wayland(Some(wayland_context.display.ptr() as *const _)))
.and_then(|p| p.finish((**shell_window.get_shell()).ptr() as *const _))
)
};
// create a queue already containing a refresh event to trigger first draw
// it's harmless and a removes the need to do a first swap_buffers() before
// starting the event loop
let events = Arc::new(Mutex::new({
let mut v = VecDeque::new();
v.push_back(Event::Refresh);
v
}));
wayland_context.register_surface(shell_window.get_shell().get_wsurface().get_id(),
events.clone());
let need_resize = Arc::new(Mutex::new((0, 0, false)));
shell_window.set_cfg_callback(need_resize.clone());
wayland_context.display.flush().unwrap();
Ok(Window {
shell_window: Mutex::new(shell_window),
pending_events: events,
need_resize: need_resize,
resize_callback: None,
context: context
})
}
pub fn set_title(&self, title: &str) {
let ctitle = CString::new(title).unwrap();
// intermediate variable is forced,
// see https://github.com/rust-lang/rust/issues/22921
let mut guard = self.shell_window.lock().unwrap();
guard.get_shell().set_title(&ctitle);
}
#[inline]
pub fn show(&self) {
// TODO
}
#[inline]
pub fn hide(&self) {
// TODO
}
#[inline]
pub fn get_position(&self) -> Option<(i32, i32)> {
// not available with wayland
None
}
#[inline]
pub fn set_position(&self, _x: i32, _y: i32) {
// not available with wayland
}
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
// intermediate variables are forced,
// see https://github.com/rust-lang/rust/issues/22921
let mut guard = self.shell_window.lock().unwrap();
let shell = guard.get_shell();
let (w, h) = shell.get_attached_size();
Some((w as u32, h as u32))
}
#[inline]
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
// maybe available if we draw the border ourselves ?
// but for now, no.
None
}
#[inline]
pub fn set_inner_size(&self, x: u32, y: u32) {
self.shell_window.lock().unwrap().resize(x as i32, y as i32, 0, 0)
}
#[inline]
pub fn create_window_proxy(&self) -> WindowProxy {
WindowProxy
}
#[inline]
pub fn poll_events(&self) -> PollEventsIterator {
PollEventsIterator {
window: self
}
}
#[inline]
pub fn wait_events(&self) -> WaitEventsIterator {
WaitEventsIterator {
window: self
}
}
#[inline]
pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) {
self.resize_callback = callback;
}
#[inline]
pub fn set_cursor(&self, cursor: MouseCursor) {
// TODO
}
#[inline]
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
// TODO
Ok(())
}
#[inline]
pub fn hidpi_factor(&self) -> f32 {
1.0
}
#[inline]
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
// TODO
Ok(())
}
#[inline]
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
#[inline]
pub fn platform_window(&self) -> *mut libc::c_void {
unimplemented!()
}
}
impl GlContext for Window {
#[inline]
unsafe fn make_current(&self) -> Result<(), ContextError> {
self.context.make_current()
}
#[inline]
fn is_current(&self) -> bool {
self.context.is_current()
}
#[inline]
fn get_proc_address(&self, addr: &str) -> *const () {
self.context.get_proc_address(addr)
}
#[inline]
fn swap_buffers(&self) -> Result<(), ContextError> {
self.context.swap_buffers()
}
#[inline]
fn get_api(&self) -> ::Api {
self.context.get_api()
}
#[inline]
fn get_pixel_format(&self) -> PixelFormat {
self.context.get_pixel_format().clone()
}
}
impl Drop for Window {
fn drop(&mut self) {
if let Some(ref ctxt) = *WAYLAND_CONTEXT {
// intermediate variable is forced,
// see https://github.com/rust-lang/rust/issues/22921
let mut guard = self.shell_window.lock().unwrap();
let shell = guard.get_shell();
ctxt.deregister_surface(
shell.get_wsurface().get_id()
)
}
}
context::WAYLAND_CONTEXT.is_some()
}

View file

@ -0,0 +1,75 @@
use std::collections::VecDeque;
use wayland_client::{ProxyId, EventIterator};
use wayland_client::wayland::output::WlOutput;
use super::context::WAYLAND_CONTEXT;
#[derive(Clone)]
pub struct MonitorId(ProxyId);
#[inline]
pub fn get_available_monitors() -> VecDeque<MonitorId> {
WAYLAND_CONTEXT.as_ref().map(|ctxt|
ctxt.monitor_ids().into_iter().map(MonitorId).collect()
).unwrap_or(VecDeque::new())
}
#[inline]
pub fn get_primary_monitor() -> MonitorId {
WAYLAND_CONTEXT.as_ref().and_then(|ctxt|
ctxt.monitor_ids().into_iter().next().map(MonitorId)
).expect("wayland: No monitor available.")
}
impl MonitorId {
pub fn get_name(&self) -> Option<String> {
WAYLAND_CONTEXT.as_ref().and_then(|ctxt| ctxt.monitor_name(self.0))
}
#[inline]
pub fn get_native_identifier(&self) -> ::native_monitor::NativeMonitorId {
::native_monitor::NativeMonitorId::Unavailable
}
pub fn get_dimensions(&self) -> (u32, u32) {
WAYLAND_CONTEXT.as_ref().and_then(|ctxt| ctxt.monitor_dimensions(self.0)).unwrap()
}
}
pub fn proxid_from_monitorid(x: &MonitorId) -> ProxyId {
x.0
}
pub fn init_monitors(outputs: &mut Vec<(WlOutput, u32, u32, String)>, evts: EventIterator) {
use wayland_client::{Event, Proxy};
use wayland_client::wayland::WaylandProtocolEvent;
use wayland_client::wayland::output::{WlOutputEvent, WlOutputMode};
for evt in evts {
match evt {
Event::Wayland(WaylandProtocolEvent::WlOutput(pid, oevt)) => match oevt {
WlOutputEvent::Geometry(_, _, _, _, _, maker, model, _) => {
for o in outputs.iter_mut() {
if o.0.id() == pid {
o.3 = format!("{} - {}", maker, model);
break
}
}
},
WlOutputEvent::Mode(flags, width, height, _) => {
if flags.contains(WlOutputMode::Current) {
for o in outputs.iter_mut() {
if o.0.id() == pid {
o.1 = width as u32;
o.2 = height as u32;
break
}
}
}
},
_ => {}
},
_ => {}
}
}
}

370
src/api/wayland/window.rs Normal file
View file

@ -0,0 +1,370 @@
use std::collections::VecDeque;
use std::ffi::CString;
use std::sync::{Arc, Mutex};
use libc;
use {ContextError, CreationError, CursorState, Event, GlAttributes, GlContext,
MouseCursor, PixelFormat, PixelFormatRequirements, WindowAttributes};
use api::dlopen;
use api::egl;
use api::egl::Context as EglContext;
use platform::MonitorId as PlatformMonitorId;
use wayland_client::EventIterator;
use wayland_client::egl as wegl;
use wayland_client::wayland::shell::WlShellSurface;
use super::wayland_window::{DecoratedSurface, add_borders, substract_borders};
use super::context::{WaylandContext, WAYLAND_CONTEXT};
#[derive(Clone)]
pub struct WindowProxy;
impl WindowProxy {
#[inline]
pub fn wakeup_event_loop(&self) {
unimplemented!()
}
}
pub struct Window {
wayland_context: &'static WaylandContext,
egl_surface: wegl::WlEglSurface,
shell_window: Mutex<ShellWindow>,
evt_queue: Arc<Mutex<VecDeque<Event>>>,
inner_size: Mutex<(i32, i32)>,
resize_callback: Option<fn(u32, u32)>,
pub context: EglContext,
}
impl Window {
fn next_event(&self) -> Option<Event> {
use wayland_client::Event as WEvent;
use wayland_client::wayland::WaylandProtocolEvent;
use wayland_client::wayland::shell::WlShellSurfaceEvent;
let mut newsize = None;
let mut evt_queue_guard = self.evt_queue.lock().unwrap();
let mut shell_window_guard = self.shell_window.lock().unwrap();
match *shell_window_guard {
ShellWindow::Decorated(ref mut deco) => {
for (_, w, h) in deco {
newsize = Some((w, h));
}
},
ShellWindow::Plain(ref plain, ref mut evtiter) => {
for evt in evtiter {
if let WEvent::Wayland(WaylandProtocolEvent::WlShellSurface(_, ssevt)) = evt {
match ssevt {
WlShellSurfaceEvent::Ping(u) => {
plain.pong(u);
},
WlShellSurfaceEvent::Configure(_, w, h) => {
newsize = Some((w, h));
},
_ => {}
}
}
}
}
}
if let Some((w, h)) = newsize {
let (w, h) = substract_borders(w, h);
*self.inner_size.lock().unwrap() = (w, h);
if let ShellWindow::Decorated(ref mut deco) = *shell_window_guard {
deco.resize(w, h);
}
self.egl_surface.resize(w, h, 0, 0);
if let Some(f) = self.resize_callback {
f(w as u32, h as u32);
}
Some(Event::Resized(w as u32, h as u32))
} else {
evt_queue_guard.pop_front()
}
}
}
pub struct PollEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
match self.window.next_event() {
Some(evt) => return Some(evt),
None => {}
}
// the queue was empty, try a dispatch and see the result
self.window.wayland_context.dispatch_events();
return self.window.next_event();
}
}
pub struct WaitEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
loop {
match self.window.next_event() {
Some(evt) => return Some(evt),
None => {}
}
// the queue was empty, try a dispatch & read and see the result
self.window.wayland_context.flush_events().expect("Connexion with the wayland compositor lost.");
match self.window.wayland_context.read_events() {
Ok(_) => {
// events were read or dispatch is needed, in both cases, we dispatch
self.window.wayland_context.dispatch_events()
}
Err(_) => panic!("Connexion with the wayland compositor lost.")
}
}
}
}
enum ShellWindow {
Plain(WlShellSurface, EventIterator),
Decorated(DecoratedSurface)
}
impl Window {
pub fn new(window: &WindowAttributes, pf_reqs: &PixelFormatRequirements,
opengl: &GlAttributes<&Window>) -> Result<Window, CreationError>
{
use wayland_client::Proxy;
// not implemented
assert!(window.min_dimensions.is_none());
assert!(window.max_dimensions.is_none());
let wayland_context = match *WAYLAND_CONTEXT {
Some(ref c) => c,
None => return Err(CreationError::NotSupported),
};
if !wegl::is_available() {
return Err(CreationError::NotSupported)
}
let (w, h) = window.dimensions.unwrap_or((800, 600));
let (surface, evt_queue) = match wayland_context.new_surface() {
Some(t) => t,
None => return Err(CreationError::NotSupported)
};
let egl_surface = wegl::WlEglSurface::new(surface, w as i32, h as i32);
let context = {
let libegl = unsafe { dlopen::dlopen(b"libEGL.so\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
if libegl.is_null() {
return Err(CreationError::NotSupported);
}
let egl = ::api::egl::ffi::egl::Egl::load_with(|sym| {
let sym = CString::new(sym).unwrap();
unsafe { dlopen::dlsym(libegl, sym.as_ptr()) }
});
try!(EglContext::new(
egl,
pf_reqs, &opengl.clone().map_sharing(|_| unimplemented!()), // TODO:
egl::NativeDisplay::Wayland(Some(wayland_context.display_ptr() as *const _)))
.and_then(|p| p.finish(unsafe { egl_surface.egl_surfaceptr() } as *const _))
)
};
let shell_window = if let Some(PlatformMonitorId::Wayland(ref monitor_id)) = window.monitor {
let pid = super::monitor::proxid_from_monitorid(monitor_id);
match wayland_context.plain_from(&egl_surface, Some(pid)) {
Some(mut s) => {
let iter = EventIterator::new();
s.set_evt_iterator(&iter);
ShellWindow::Plain(s, iter)
},
None => return Err(CreationError::NotSupported)
}
} else if window.decorations {
match wayland_context.decorated_from(&egl_surface, w as i32, h as i32) {
Some(s) => ShellWindow::Decorated(s),
None => return Err(CreationError::NotSupported)
}
} else {
match wayland_context.plain_from(&egl_surface, None) {
Some(mut s) => {
let iter = EventIterator::new();
s.set_evt_iterator(&iter);
ShellWindow::Plain(s, iter)
},
None => return Err(CreationError::NotSupported)
}
};
Ok(Window {
wayland_context: wayland_context,
egl_surface: egl_surface,
shell_window: Mutex::new(shell_window),
evt_queue: evt_queue,
inner_size: Mutex::new((w as i32, h as i32)),
resize_callback: None,
context: context
})
}
pub fn set_title(&self, title: &str) {
let guard = self.shell_window.lock().unwrap();
match *guard {
ShellWindow::Plain(ref plain, _) => { plain.set_title(title.into()); },
ShellWindow::Decorated(ref deco) => { deco.set_title(title.into()); }
}
}
#[inline]
pub fn show(&self) {
// TODO
}
#[inline]
pub fn hide(&self) {
// TODO
}
#[inline]
pub fn get_position(&self) -> Option<(i32, i32)> {
// Not possible with wayland
None
}
#[inline]
pub fn set_position(&self, _x: i32, _y: i32) {
// Not possible with wayland
}
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
let (w, h) = *self.inner_size.lock().unwrap();
Some((w as u32, h as u32))
}
#[inline]
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
let (w, h) = *self.inner_size.lock().unwrap();
let (w, h) = add_borders(w, h);
Some((w as u32, h as u32))
}
#[inline]
pub fn set_inner_size(&self, x: u32, y: u32) {
let mut guard = self.shell_window.lock().unwrap();
match *guard {
ShellWindow::Decorated(ref mut deco) => { deco.resize(x as i32, y as i32); },
_ => {}
}
self.egl_surface.resize(x as i32, y as i32, 0, 0)
}
#[inline]
pub fn create_window_proxy(&self) -> WindowProxy {
WindowProxy
}
#[inline]
pub fn poll_events(&self) -> PollEventsIterator {
PollEventsIterator {
window: self
}
}
#[inline]
pub fn wait_events(&self) -> WaitEventsIterator {
WaitEventsIterator {
window: self
}
}
#[inline]
pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) {
self.resize_callback = callback;
}
#[inline]
pub fn set_cursor(&self, _cursor: MouseCursor) {
// TODO
}
#[inline]
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
use CursorState::{Grab, Normal, Hide};
// TODO : not yet possible on wayland to grab cursor
match state {
Grab => Err("Cursor cannot be grabbed on wayland yet.".to_string()),
Hide => Err("Cursor cannot be hidden on wayland yet.".to_string()),
Normal => Ok(())
}
}
#[inline]
pub fn hidpi_factor(&self) -> f32 {
1.0
}
#[inline]
pub fn set_cursor_position(&self, _x: i32, _y: i32) -> Result<(), ()> {
// TODO: not yet possible on wayland
Err(())
}
#[inline]
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
#[inline]
pub fn platform_window(&self) -> *mut libc::c_void {
unimplemented!()
}
}
impl GlContext for Window {
#[inline]
unsafe fn make_current(&self) -> Result<(), ContextError> {
self.context.make_current()
}
#[inline]
fn is_current(&self) -> bool {
self.context.is_current()
}
#[inline]
fn get_proc_address(&self, addr: &str) -> *const () {
self.context.get_proc_address(addr)
}
#[inline]
fn swap_buffers(&self) -> Result<(), ContextError> {
self.context.swap_buffers()
}
#[inline]
fn get_api(&self) -> ::Api {
self.context.get_api()
}
#[inline]
fn get_pixel_format(&self) -> PixelFormat {
self.context.get_pixel_format().clone()
}
}
impl Drop for Window {
fn drop(&mut self) {
use wayland_client::Proxy;
self.wayland_context.dropped_surface((*self.egl_surface).id())
}
}

View file

@ -56,6 +56,9 @@ extern crate core_foundation;
extern crate core_graphics;
#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "dragonfly"))]
extern crate x11_dl;
#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "dragonfly"))]
#[macro_use(wayland_env)]
extern crate wayland_client;
pub use events::*;
pub use headless::{HeadlessRendererBuilder, HeadlessContext};

View file

@ -30,7 +30,7 @@ enum Backend {
lazy_static!(
static ref BACKEND: Backend = {
// Wayland backend is not production-ready yet so we disable it
if false && wayland::is_available() {
if wayland::is_available() {
Backend::Wayland
} else {
match XConnection::new(Some(x_error_callback)) {