1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
use Event as GlutinEvent;
use std::collections::{HashMap, VecDeque, HashSet};
use std::sync::{Arc, Mutex};
use libc::c_void;
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;
use wayland_client::wayland::shm::WlShm;
use wayland_client::wayland::subcompositor::WlSubcompositor;
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_on: Option<ProxyId>
}
pub struct WaylandContext {
inner: InnerEnv,
iterator: Mutex<EventIterator>,
monitors: Vec<WlOutput>,
queues: Mutex<HashMap<ProxyId, Arc<Mutex<VecDeque<GlutinEvent>>>>>,
known_surfaces: Mutex<HashSet<ProxyId>>,
focuses: Mutex<WaylandFocuses>
}
impl WaylandContext {
fn init() -> Option<WaylandContext> {
let display = match get_display() {
Some(display) => display,
None => return None
};
let (mut inner_env, iterator) = InnerEnv::init(display);
let monitors = inner_env.globals.iter()
.flat_map(|&(id, _, _)| inner_env.rebind_id::<WlOutput>(id))
.map(|(monitor, _)| monitor)
.collect();
inner_env.display.sync_roundtrip().unwrap();
Some(WaylandContext {
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_on: None
})
})
}
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 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_ids = self.known_surfaces.lock().unwrap();
let queues = self.queues.lock().unwrap();
for evt in &mut *iterator {
if let Some((evt, id)) = super::events::translate_event(
evt, &mut *focuses, &known_ids,
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));
}
}
|
