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