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
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/wayland/host/wayland_zwp_pointer_constraints.h"
#include <pointer-constraints-unstable-v1-client-protocol.h>
#include "base/logging.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
#include "ui/ozone/platform/wayland/host/wayland_pointer.h"
#include "ui/ozone/platform/wayland/host/wayland_seat.h"
#include "ui/ozone/platform/wayland/host/wayland_surface.h"
#include "ui/ozone/platform/wayland/host/wayland_zwp_relative_pointer_manager.h"
namespace ui {
namespace {
constexpr uint32_t kMinVersion = 1;
}
// static
constexpr char WaylandZwpPointerConstraints::kInterfaceName[];
// static
void WaylandZwpPointerConstraints::Instantiate(WaylandConnection* connection,
wl_registry* registry,
uint32_t name,
const std::string& interface,
uint32_t version) {
CHECK_EQ(interface, kInterfaceName) << "Expected \"" << kInterfaceName
<< "\" but got \"" << interface << "\"";
if (connection->zwp_pointer_constraints_ ||
!wl::CanBind(interface, version, kMinVersion, kMinVersion)) {
return;
}
auto zwp_pointer_constraints_v1 =
wl::Bind<struct zwp_pointer_constraints_v1>(registry, name, kMinVersion);
if (!zwp_pointer_constraints_v1) {
LOG(ERROR) << "Failed to bind wp_pointer_constraints_v1";
return;
}
connection->zwp_pointer_constraints_ =
std::make_unique<WaylandZwpPointerConstraints>(
zwp_pointer_constraints_v1.release(), connection);
}
WaylandZwpPointerConstraints::WaylandZwpPointerConstraints(
zwp_pointer_constraints_v1* pointer_constraints,
WaylandConnection* connection)
: obj_(pointer_constraints), connection_(connection) {
DCHECK(obj_);
DCHECK(connection_);
}
WaylandZwpPointerConstraints::~WaylandZwpPointerConstraints() = default;
void WaylandZwpPointerConstraints::LockPointer(WaylandSurface* surface) {
locked_pointer_.reset(zwp_pointer_constraints_v1_lock_pointer(
obj_.get(), surface->surface(),
connection_->seat()->pointer()->wl_object(), nullptr,
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT));
static constexpr zwp_locked_pointer_v1_listener kLockedPointerListener = {
.locked = &OnLocked,
.unlocked = &OnUnlocked,
};
zwp_locked_pointer_v1_add_listener(locked_pointer_.get(),
&kLockedPointerListener, this);
}
void WaylandZwpPointerConstraints::UnlockPointer() {
locked_pointer_.reset();
connection_->zwp_relative_pointer_manager()->DisableRelativePointer();
}
// static
void WaylandZwpPointerConstraints::OnLocked(
void* data,
struct zwp_locked_pointer_v1* locked_pointer) {
auto* self = static_cast<WaylandZwpPointerConstraints*>(data);
self->connection_->zwp_relative_pointer_manager()->EnableRelativePointer();
}
// static
void WaylandZwpPointerConstraints::OnUnlocked(
void* data,
struct zwp_locked_pointer_v1* locked_pointer) {
auto* self = static_cast<WaylandZwpPointerConstraints*>(data);
self->UnlockPointer();
}
} // namespace ui
|
