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-rw-r--r--src/wayland/meta-pointer-confinement-wayland.c267
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diff --git a/src/wayland/meta-pointer-confinement-wayland.c b/src/wayland/meta-pointer-confinement-wayland.c
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-/* -*- 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>
- */
-
-/**
- * SECTION:meta-pointer-confinement-wayland
- * @title: MetaPointerConfinementWayland
- * @short_description: A #MetaPointerConstraint implementing pointer confinement
- *
- * A MetaPointerConfinementConstraint implements the client pointer constraint
- * "pointer confinement": the cursor should not be able to "break out" of a
- * certain area defined by the client requesting it.
- */
-
-#include "config.h"
-
-#include "wayland/meta-pointer-confinement-wayland.h"
-
-#include <glib-object.h>
-#include <cairo.h>
-
-#include "backends/meta-backend-private.h"
-#include "backends/meta-pointer-constraint.h"
-#include "wayland/meta-wayland-pointer-constraints.h"
-#include "wayland/meta-wayland-pointer.h"
-#include "wayland/meta-wayland-seat.h"
-#include "wayland/meta-wayland-surface.h"
-
-typedef struct _MetaPointerConfinementWaylandPrivate MetaPointerConfinementWaylandPrivate;
-
-struct _MetaPointerConfinementWaylandPrivate
-{
- MetaWaylandPointerConstraint *constraint;
- gboolean enabled;
-};
-
-enum
-{
- PROP_0,
- PROP_WAYLAND_POINTER_CONSTRAINT,
- N_PROPS,
-};
-
-static GParamSpec *props[N_PROPS] = { 0 };
-
-G_DEFINE_TYPE_WITH_PRIVATE (MetaPointerConfinementWayland,
- meta_pointer_confinement_wayland,
- G_TYPE_OBJECT)
-
-static void
-meta_pointer_confinement_wayland_update (MetaPointerConfinementWayland *self)
-{
- MetaPointerConstraint *constraint;
-
- constraint =
- META_POINTER_CONFINEMENT_WAYLAND_GET_CLASS (self)->create_constraint (self);
- meta_backend_set_client_pointer_constraint (meta_get_backend (), constraint);
- g_object_unref (constraint);
-}
-
-static void
-surface_geometry_changed (MetaWaylandSurface *surface,
- MetaPointerConfinementWayland *self)
-{
- meta_pointer_confinement_wayland_update (self);
-}
-
-static void
-window_position_changed (MetaWindow *window,
- MetaPointerConfinementWayland *self)
-{
- meta_pointer_confinement_wayland_update (self);
-}
-
-void
-meta_pointer_confinement_wayland_enable (MetaPointerConfinementWayland *confinement)
-{
- MetaPointerConfinementWaylandPrivate *priv;
- MetaWaylandPointerConstraint *constraint;
- MetaWaylandSurface *surface;
- MetaWindow *window;
-
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
- g_assert (!priv->enabled);
-
- priv->enabled = TRUE;
- constraint = priv->constraint;
-
- surface = meta_wayland_pointer_constraint_get_surface (constraint);
- g_signal_connect_object (surface,
- "geometry-changed",
- G_CALLBACK (surface_geometry_changed),
- confinement,
- 0);
-
- window = meta_wayland_surface_get_window (surface);
- if (window)
- {
- g_signal_connect_object (window,
- "position-changed",
- G_CALLBACK (window_position_changed),
- confinement,
- 0);
- }
-
- meta_pointer_confinement_wayland_update (confinement);
-}
-
-void
-meta_pointer_confinement_wayland_disable (MetaPointerConfinementWayland *confinement)
-{
- MetaPointerConfinementWaylandPrivate *priv;
- MetaWaylandPointerConstraint *constraint;
- MetaWaylandSurface *surface;
- MetaWindow *window;
-
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
- constraint = priv->constraint;
- g_assert (priv->enabled);
-
- priv->enabled = FALSE;
- surface = meta_wayland_pointer_constraint_get_surface (constraint);
- g_signal_handlers_disconnect_by_func (surface, surface_geometry_changed,
- confinement);
-
- window = meta_wayland_surface_get_window (surface);
- if (window)
- {
- g_signal_handlers_disconnect_by_func (window, window_position_changed,
- confinement);
- }
-
- meta_backend_set_client_pointer_constraint (meta_get_backend (), NULL);
-}
-
-static void
-meta_pointer_confinement_wayland_init (MetaPointerConfinementWayland *confinement_wayland)
-{
-}
-
-static void
-meta_pointer_confinement_wayland_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- MetaPointerConfinementWayland *confinement;
- MetaPointerConfinementWaylandPrivate *priv;
-
- confinement = META_POINTER_CONFINEMENT_WAYLAND (object);
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
-
- switch (prop_id)
- {
- case PROP_WAYLAND_POINTER_CONSTRAINT:
- g_value_set_object (value, priv->constraint);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-meta_pointer_confinement_wayland_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- MetaPointerConfinementWayland *confinement;
- MetaPointerConfinementWaylandPrivate *priv;
-
- confinement = META_POINTER_CONFINEMENT_WAYLAND (object);
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
-
- switch (prop_id)
- {
- case PROP_WAYLAND_POINTER_CONSTRAINT:
- priv->constraint = g_value_get_object (value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static MetaPointerConstraint *
-meta_pointer_confinement_wayland_create_constraint (MetaPointerConfinementWayland *confinement)
-{
- MetaPointerConfinementWaylandPrivate *priv;
- MetaPointerConstraint *constraint;
- MetaWaylandSurface *surface;
- cairo_region_t *region;
- float dx, dy;
-
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
-
- surface = meta_wayland_pointer_constraint_get_surface (priv->constraint);
- region =
- meta_wayland_pointer_constraint_calculate_effective_region (priv->constraint);
-
- meta_wayland_surface_get_absolute_coordinates (surface, 0, 0, &dx, &dy);
- cairo_region_translate (region, dx, dy);
-
- constraint = meta_pointer_constraint_new (region);
- cairo_region_destroy (region);
-
- return constraint;
-}
-
-static void
-meta_pointer_confinement_wayland_class_init (MetaPointerConfinementWaylandClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->set_property = meta_pointer_confinement_wayland_set_property;
- object_class->get_property = meta_pointer_confinement_wayland_get_property;
-
- klass->create_constraint = meta_pointer_confinement_wayland_create_constraint;
-
- props[PROP_WAYLAND_POINTER_CONSTRAINT] =
- g_param_spec_object ("wayland-pointer-constraint",
- "Wayland pointer constraint",
- "Wayland pointer constraint",
- META_TYPE_WAYLAND_POINTER_CONSTRAINT,
- G_PARAM_READWRITE |
- G_PARAM_CONSTRUCT_ONLY |
- G_PARAM_STATIC_STRINGS);
- g_object_class_install_properties (object_class, N_PROPS, props);
-}
-
-MetaPointerConfinementWayland *
-meta_pointer_confinement_wayland_new (MetaWaylandPointerConstraint *constraint)
-{
- return g_object_new (META_TYPE_POINTER_CONFINEMENT_WAYLAND,
- "wayland-pointer-constraint", constraint,
- NULL);
-}
-
-MetaWaylandPointerConstraint *
-meta_pointer_confinement_wayland_get_wayland_pointer_constraint (MetaPointerConfinementWayland *confinement)
-{
- MetaPointerConfinementWaylandPrivate *priv;
-
- priv = meta_pointer_confinement_wayland_get_instance_private (confinement);
- return priv->constraint;
-}
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