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
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2015 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Jonas Ådahl <jadahl@gmail.com>
*/
/**
* MetaPointerLockWayland:
*
* A #MetaPointerConstraint implementing pointer lock.
*
* A MetaPointerLockConstraint implements the client pointer constraint "pointer
* lock": the cursor should not make any movement.
*/
#include "config.h"
#include "wayland/meta-pointer-lock-wayland.h"
#include <glib-object.h>
#include "backends/meta-backend-private.h"
#include "compositor/meta-surface-actor-wayland.h"
struct _MetaPointerLockWayland
{
GObject parent;
};
G_DEFINE_TYPE (MetaPointerLockWayland, meta_pointer_lock_wayland,
META_TYPE_POINTER_CONFINEMENT_WAYLAND)
static MetaPointerConstraint *
meta_pointer_lock_wayland_create_constraint (MetaPointerConfinementWayland *confinement)
{
MetaWaylandPointerConstraint *wayland_constraint =
meta_pointer_confinement_wayland_get_wayland_pointer_constraint (confinement);
MetaWaylandSurface *surface =
meta_wayland_pointer_constraint_get_surface (wayland_constraint);
MetaWaylandCompositor *compositor = surface->compositor;
MetaContext *context = meta_wayland_compositor_get_context (compositor);
MetaBackend *backend = meta_context_get_backend (context);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
ClutterSeat *seat = clutter_backend_get_default_seat (clutter_backend);
ClutterInputDevice *pointer = clutter_seat_get_pointer (seat);
MetaPointerConstraint *constraint;
graphene_point_t point;
cairo_rectangle_int_t rect;
cairo_region_t *region;
float sx, sy, x, y;
clutter_seat_query_state (seat, pointer, NULL, &point, NULL);
wayland_constraint =
meta_pointer_confinement_wayland_get_wayland_pointer_constraint (confinement);
surface = meta_wayland_pointer_constraint_get_surface (wayland_constraint);
meta_wayland_surface_get_relative_coordinates (surface,
point.x, point.y,
&sx, &sy);
meta_wayland_surface_get_absolute_coordinates (surface, sx, sy, &x, &y);
rect = (cairo_rectangle_int_t) { .x = x, .y = y, .width = 1, .height = 1 };
region = cairo_region_create_rectangle (&rect);
constraint = meta_pointer_constraint_new (region, 0.0);
cairo_region_destroy (region);
return constraint;
}
MetaPointerConfinementWayland *
meta_pointer_lock_wayland_new (MetaWaylandPointerConstraint *constraint)
{
return g_object_new (META_TYPE_POINTER_LOCK_WAYLAND,
"wayland-pointer-constraint", constraint,
NULL);
}
static void
meta_pointer_lock_wayland_init (MetaPointerLockWayland *lock_wayland)
{
}
static void
meta_pointer_lock_wayland_class_init (MetaPointerLockWaylandClass *klass)
{
MetaPointerConfinementWaylandClass *confinement_class =
META_POINTER_CONFINEMENT_WAYLAND_CLASS (klass);
confinement_class->create_constraint =
meta_pointer_lock_wayland_create_constraint;
}
|
