2012-07-30 14:54:03 -04:00
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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2013-03-11 11:52:36 -04:00
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/**
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2023-03-28 10:35:11 -04:00
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* MetaBarrier:
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2023-05-23 14:25:54 -04:00
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*
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2023-03-28 10:35:11 -04:00
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* Pointer barriers
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2013-03-11 11:52:36 -04:00
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*/
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2012-07-30 14:54:03 -04:00
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#include "config.h"
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2018-07-10 04:36:24 -04:00
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#include "meta/barrier.h"
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#include "backends/meta-barrier-private.h"
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2012-07-30 14:54:03 -04:00
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#include <glib-object.h>
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2015-01-15 21:30:04 -05:00
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#include "backends/x11/meta-backend-x11.h"
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#include "backends/x11/meta-barrier-x11.h"
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2018-07-10 04:36:24 -04:00
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#include "meta/meta-enum-types.h"
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#include "meta/util.h"
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#ifdef HAVE_NATIVE_BACKEND
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#include "backends/native/meta-backend-native.h"
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#include "backends/native/meta-barrier-native.h"
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#endif
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2012-07-30 14:54:03 -04:00
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2022-09-15 04:11:32 -04:00
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typedef struct _MetaBarrierPrivate
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{
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2022-03-18 10:48:23 -04:00
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MetaBackend *backend;
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MetaBorder border;
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MetaBarrierImpl *impl;
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2022-03-31 15:24:46 -04:00
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MetaBarrierFlags flags;
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2022-09-15 04:11:32 -04:00
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} MetaBarrierPrivate;
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2022-03-18 10:48:23 -04:00
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2022-03-18 12:31:25 -04:00
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static void initable_iface_init (GInitableIface *initable_iface);
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G_DEFINE_TYPE_WITH_CODE (MetaBarrier, meta_barrier, G_TYPE_OBJECT,
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2022-09-15 04:11:32 -04:00
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G_ADD_PRIVATE (MetaBarrier)
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2022-03-18 12:31:25 -04:00
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
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initable_iface_init))
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2015-01-15 21:30:04 -05:00
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G_DEFINE_TYPE (MetaBarrierImpl, meta_barrier_impl, G_TYPE_OBJECT)
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2012-07-30 14:54:03 -04:00
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2022-03-04 14:56:47 -05:00
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G_STATIC_ASSERT ((int) META_BARRIER_DIRECTION_POSITIVE_X ==
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(int) META_BORDER_MOTION_DIRECTION_POSITIVE_X);
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G_STATIC_ASSERT ((int) META_BARRIER_DIRECTION_POSITIVE_Y ==
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(int) META_BORDER_MOTION_DIRECTION_POSITIVE_Y);
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G_STATIC_ASSERT ((int) META_BARRIER_DIRECTION_NEGATIVE_X ==
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(int) META_BORDER_MOTION_DIRECTION_NEGATIVE_X);
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G_STATIC_ASSERT ((int) META_BARRIER_DIRECTION_NEGATIVE_Y ==
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(int) META_BORDER_MOTION_DIRECTION_NEGATIVE_Y);
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2018-12-19 03:04:25 -05:00
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enum
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{
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2012-07-30 14:54:03 -04:00
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PROP_0,
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2022-03-14 17:45:34 -04:00
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PROP_BACKEND,
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2012-07-30 14:54:03 -04:00
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PROP_DISPLAY,
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PROP_X1,
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PROP_Y1,
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PROP_X2,
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PROP_Y2,
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PROP_DIRECTIONS,
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2022-03-31 15:24:46 -04:00
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PROP_FLAGS,
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2012-07-30 14:54:03 -04:00
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PROP_LAST,
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};
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static GParamSpec *obj_props[PROP_LAST];
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2018-12-19 03:04:25 -05:00
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enum
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{
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2012-07-30 14:57:53 -04:00
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HIT,
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LEFT,
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LAST_SIGNAL,
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};
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static guint obj_signals[LAST_SIGNAL];
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2022-03-14 17:45:34 -04:00
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static MetaBackend *
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backend_from_display (MetaDisplay *display)
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{
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MetaContext *context = meta_display_get_context (display);
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return meta_context_get_backend (context);
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}
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static MetaDisplay *
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display_from_backend (MetaBackend *backend)
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{
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MetaContext *context = meta_backend_get_context (backend);
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return meta_context_get_display (context);
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}
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2013-04-23 01:49:29 -04:00
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2012-07-30 14:54:03 -04:00
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static void
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meta_barrier_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MetaBarrier *barrier = META_BARRIER (object);
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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2022-03-14 17:45:34 -04:00
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2012-07-30 14:54:03 -04:00
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switch (prop_id)
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{
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2022-03-14 17:45:34 -04:00
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case PROP_BACKEND:
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2022-09-15 04:11:32 -04:00
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g_value_set_object (value, priv->backend);
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2022-03-14 17:45:34 -04:00
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break;
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2012-07-30 14:54:03 -04:00
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case PROP_DISPLAY:
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2022-09-15 04:11:32 -04:00
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g_value_set_object (value, display_from_backend (priv->backend));
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_X1:
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2022-09-15 04:11:32 -04:00
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g_value_set_int (value, priv->border.line.a.x);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_Y1:
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2022-09-15 04:11:32 -04:00
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g_value_set_int (value, priv->border.line.a.y);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_X2:
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2022-09-15 04:11:32 -04:00
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g_value_set_int (value, priv->border.line.b.x);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_Y2:
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2022-09-15 04:11:32 -04:00
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g_value_set_int (value, priv->border.line.b.y);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_DIRECTIONS:
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2015-07-03 03:01:58 -04:00
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g_value_set_flags (value,
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2022-09-15 04:11:32 -04:00
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meta_border_get_allows_directions (&priv->border));
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2012-07-30 14:54:03 -04:00
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break;
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2022-03-31 15:24:46 -04:00
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case PROP_FLAGS:
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g_value_set_flags (value, priv->flags);
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break;
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2012-07-30 14:54:03 -04:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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meta_barrier_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MetaBarrier *barrier = META_BARRIER (object);
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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2022-03-18 10:48:23 -04:00
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2012-07-30 14:54:03 -04:00
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switch (prop_id)
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{
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2022-03-14 17:45:34 -04:00
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case PROP_BACKEND:
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2022-09-15 04:11:32 -04:00
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priv->backend = g_value_get_object (value);
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2012-07-30 14:54:03 -04:00
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break;
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2022-03-14 17:45:34 -04:00
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case PROP_DISPLAY:
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{
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MetaDisplay *display;
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display = g_value_get_object (value);
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if (display)
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2022-09-15 04:11:32 -04:00
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priv->backend = backend_from_display (g_value_get_object (value));
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2022-03-14 17:45:34 -04:00
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break;
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}
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2012-07-30 14:54:03 -04:00
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case PROP_X1:
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2022-09-15 04:11:32 -04:00
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priv->border.line.a.x = g_value_get_int (value);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_Y1:
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2022-09-15 04:11:32 -04:00
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priv->border.line.a.y = g_value_get_int (value);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_X2:
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2022-09-15 04:11:32 -04:00
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priv->border.line.b.x = g_value_get_int (value);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_Y2:
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2022-09-15 04:11:32 -04:00
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priv->border.line.b.y = g_value_get_int (value);
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2012-07-30 14:54:03 -04:00
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break;
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case PROP_DIRECTIONS:
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2022-09-15 04:11:32 -04:00
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meta_border_set_allows_directions (&priv->border,
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2015-07-03 03:01:58 -04:00
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g_value_get_flags (value));
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2012-07-30 14:54:03 -04:00
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break;
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2022-03-31 15:24:46 -04:00
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case PROP_FLAGS:
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priv->flags = g_value_get_flags (value);
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break;
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2012-07-30 14:54:03 -04:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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meta_barrier_dispose (GObject *object)
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{
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MetaBarrier *barrier = META_BARRIER (object);
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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2012-07-30 14:54:03 -04:00
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if (meta_barrier_is_active (barrier))
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{
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2015-01-15 21:30:04 -05:00
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meta_bug ("MetaBarrier %p was destroyed while it was still active.",
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barrier);
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2012-07-30 14:54:03 -04:00
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}
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2022-09-15 04:11:32 -04:00
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g_clear_object (&priv->impl);
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2020-09-25 14:04:31 -04:00
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2012-07-30 14:54:03 -04:00
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G_OBJECT_CLASS (meta_barrier_parent_class)->dispose (object);
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}
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gboolean
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meta_barrier_is_active (MetaBarrier *barrier)
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{
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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MetaBarrierImpl *impl = priv->impl;
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2015-01-15 21:30:04 -05:00
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if (impl)
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return META_BARRIER_IMPL_GET_CLASS (impl)->is_active (impl);
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else
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return FALSE;
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2012-07-30 14:54:03 -04:00
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}
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2012-07-30 14:57:53 -04:00
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/**
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* meta_barrier_release:
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* @barrier: The barrier to release
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* @event: The event to release the pointer for
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*
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* In XI2.3, pointer barriers provide a feature where they can
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* be temporarily released so that the pointer goes through
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* them. Pass a #MetaBarrierEvent to release the barrier for
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* this event sequence.
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*/
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void
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meta_barrier_release (MetaBarrier *barrier,
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MetaBarrierEvent *event)
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{
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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MetaBarrierImpl *impl = priv->impl;
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2015-01-15 21:30:04 -05:00
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if (impl)
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META_BARRIER_IMPL_GET_CLASS (impl)->release (impl, event);
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2012-07-30 14:57:53 -04:00
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}
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2022-03-18 12:31:25 -04:00
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static gboolean
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meta_barrier_initable_init (GInitable *initable,
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GCancellable *cancellable,
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GError **error)
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{
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MetaBarrier *barrier = META_BARRIER (initable);
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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2022-03-18 12:31:25 -04:00
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2022-09-15 04:11:32 -04:00
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priv = meta_barrier_get_instance_private (barrier);
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if (!priv->impl)
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2022-03-18 12:31:25 -04:00
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Failed to create barrier impl");
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return FALSE;
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}
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return TRUE;
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}
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static void
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initable_iface_init (GInitableIface *initable_iface)
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{
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initable_iface->init = meta_barrier_initable_init;
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}
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2012-07-30 14:54:03 -04:00
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static void
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2022-03-14 17:45:34 -04:00
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init_barrier_impl (MetaBarrier *barrier)
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2012-07-30 14:54:03 -04:00
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{
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2022-09-15 04:11:32 -04:00
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MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
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g_return_if_fail (priv->backend);
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g_return_if_fail (priv->border.line.a.x == priv->border.line.b.x ||
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priv->border.line.a.y == priv->border.line.b.y);
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g_return_if_fail (priv->border.line.a.x >= 0);
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g_return_if_fail (priv->border.line.a.y >= 0);
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g_return_if_fail (priv->border.line.b.x >= 0);
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g_return_if_fail (priv->border.line.b.y >= 0);
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2012-07-30 14:54:03 -04:00
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2015-01-16 03:50:51 -05:00
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#if defined(HAVE_NATIVE_BACKEND)
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2022-09-15 04:11:32 -04:00
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if (META_IS_BACKEND_NATIVE (priv->backend))
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priv->impl = meta_barrier_impl_native_new (barrier);
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2015-01-16 03:50:51 -05:00
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#endif
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2022-09-15 04:11:32 -04:00
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if (META_IS_BACKEND_X11 (priv->backend) &&
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2015-01-15 21:30:04 -05:00
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!meta_is_wayland_compositor ())
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2022-09-15 04:11:32 -04:00
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priv->impl = meta_barrier_impl_x11_new (barrier);
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2012-07-30 14:54:03 -04:00
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2022-09-15 04:11:32 -04:00
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g_warn_if_fail (priv->impl);
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2022-03-14 17:45:34 -04:00
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}
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static void
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meta_barrier_constructed (GObject *object)
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{
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MetaBarrier *barrier = META_BARRIER (object);
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init_barrier_impl (barrier);
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2012-07-30 14:54:03 -04:00
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2015-01-15 21:30:04 -05:00
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/* Take a ref that we'll release in destroy() so that the object stays
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* alive while active. */
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2012-07-30 14:57:53 -04:00
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|
g_object_ref (barrier);
|
|
|
|
|
2012-07-30 14:54:03 -04:00
|
|
|
G_OBJECT_CLASS (meta_barrier_parent_class)->constructed (object);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
meta_barrier_class_init (MetaBarrierClass *klass)
|
|
|
|
{
|
|
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
|
|
|
|
object_class->get_property = meta_barrier_get_property;
|
|
|
|
object_class->set_property = meta_barrier_set_property;
|
|
|
|
object_class->dispose = meta_barrier_dispose;
|
|
|
|
object_class->constructed = meta_barrier_constructed;
|
|
|
|
|
2022-03-14 17:45:34 -04:00
|
|
|
obj_props[PROP_BACKEND] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_object ("backend", NULL, NULL,
|
2022-03-14 17:45:34 -04:00
|
|
|
META_TYPE_BACKEND,
|
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
obj_props[PROP_DISPLAY] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_object ("display", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
META_TYPE_DISPLAY,
|
2022-03-14 17:45:34 -04:00
|
|
|
G_PARAM_DEPRECATED |
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
obj_props[PROP_X1] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_int ("x1", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
0, G_MAXSHORT, 0,
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
obj_props[PROP_Y1] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_int ("y1", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
0, G_MAXSHORT, 0,
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
obj_props[PROP_X2] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_int ("x2", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
0, G_MAXSHORT, G_MAXSHORT,
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
obj_props[PROP_Y2] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_int ("y2", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
0, G_MAXSHORT, G_MAXSHORT,
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
obj_props[PROP_DIRECTIONS] =
|
2023-06-28 08:02:43 -04:00
|
|
|
g_param_spec_flags ("directions", NULL, NULL,
|
2012-07-30 14:54:03 -04:00
|
|
|
META_TYPE_BARRIER_DIRECTION,
|
|
|
|
0,
|
2022-03-11 05:54:30 -05:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2022-03-31 15:24:46 -04:00
|
|
|
obj_props[PROP_FLAGS] =
|
2024-01-07 15:27:46 -05:00
|
|
|
g_param_spec_flags ("flags", NULL, NULL,
|
2022-03-31 15:24:46 -04:00
|
|
|
META_TYPE_BARRIER_FLAGS,
|
|
|
|
META_BARRIER_FLAG_NONE,
|
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_CONSTRUCT_ONLY |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
2012-07-30 14:54:03 -04:00
|
|
|
|
|
|
|
g_object_class_install_properties (object_class, PROP_LAST, obj_props);
|
|
|
|
|
2012-07-30 14:57:53 -04:00
|
|
|
/**
|
|
|
|
* MetaBarrier::hit:
|
|
|
|
* @barrier: The #MetaBarrier that was hit
|
|
|
|
* @event: A #MetaBarrierEvent that has the details of how
|
|
|
|
* the barrier was hit.
|
|
|
|
*
|
|
|
|
* When a pointer barrier is hit, this will trigger. This
|
|
|
|
* requires an XI2-enabled server.
|
|
|
|
*/
|
|
|
|
obj_signals[HIT] =
|
|
|
|
g_signal_new ("hit",
|
|
|
|
G_TYPE_FROM_CLASS (object_class),
|
|
|
|
G_SIGNAL_RUN_FIRST,
|
|
|
|
0,
|
|
|
|
NULL, NULL, NULL,
|
|
|
|
G_TYPE_NONE, 1,
|
|
|
|
META_TYPE_BARRIER_EVENT);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* MetaBarrier::left:
|
|
|
|
* @barrier: The #MetaBarrier that was left
|
|
|
|
* @event: A #MetaBarrierEvent that has the details of how
|
|
|
|
* the barrier was left.
|
|
|
|
*
|
|
|
|
* When a pointer barrier hitbox was left, this will trigger.
|
|
|
|
* This requires an XI2-enabled server.
|
|
|
|
*/
|
|
|
|
obj_signals[LEFT] =
|
|
|
|
g_signal_new ("left",
|
|
|
|
G_TYPE_FROM_CLASS (object_class),
|
|
|
|
G_SIGNAL_RUN_FIRST,
|
|
|
|
0,
|
|
|
|
NULL, NULL, NULL,
|
|
|
|
G_TYPE_NONE, 1,
|
|
|
|
META_TYPE_BARRIER_EVENT);
|
2012-07-30 14:54:03 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
meta_barrier_destroy (MetaBarrier *barrier)
|
|
|
|
{
|
2022-09-15 04:11:32 -04:00
|
|
|
MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
|
|
|
|
MetaBarrierImpl *impl = priv->impl;
|
2012-07-30 14:54:03 -04:00
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
if (impl)
|
2020-09-25 14:04:31 -04:00
|
|
|
META_BARRIER_IMPL_GET_CLASS (impl)->destroy (impl);
|
2012-07-30 14:57:53 -04:00
|
|
|
|
|
|
|
g_object_unref (barrier);
|
2012-07-30 14:54:03 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
meta_barrier_init (MetaBarrier *barrier)
|
|
|
|
{
|
|
|
|
}
|
2012-07-30 14:57:53 -04:00
|
|
|
|
2022-03-18 12:31:25 -04:00
|
|
|
MetaBarrier *
|
|
|
|
meta_barrier_new (MetaBackend *backend,
|
|
|
|
int x1,
|
|
|
|
int y1,
|
|
|
|
int x2,
|
|
|
|
int y2,
|
|
|
|
MetaBarrierDirection directions,
|
2022-03-31 15:24:46 -04:00
|
|
|
MetaBarrierFlags flags,
|
2022-03-18 12:31:25 -04:00
|
|
|
GError **error)
|
|
|
|
{
|
|
|
|
return g_initable_new (META_TYPE_BARRIER,
|
|
|
|
NULL, error,
|
|
|
|
"backend", backend,
|
|
|
|
"x1", x1,
|
|
|
|
"y1", y1,
|
|
|
|
"x2", x2,
|
|
|
|
"y2", y2,
|
|
|
|
"directions", directions,
|
2022-03-31 15:24:46 -04:00
|
|
|
"flags", flags,
|
2022-03-18 12:31:25 -04:00
|
|
|
NULL);
|
|
|
|
}
|
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
void
|
2022-03-14 17:41:40 -04:00
|
|
|
meta_barrier_emit_hit_signal (MetaBarrier *barrier,
|
|
|
|
MetaBarrierEvent *event)
|
2012-07-30 14:57:53 -04:00
|
|
|
{
|
2015-01-15 21:30:04 -05:00
|
|
|
g_signal_emit (barrier, obj_signals[HIT], 0, event);
|
2012-07-30 14:57:53 -04:00
|
|
|
}
|
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
void
|
2022-03-14 17:41:40 -04:00
|
|
|
meta_barrier_emit_left_signal (MetaBarrier *barrier,
|
|
|
|
MetaBarrierEvent *event)
|
2012-07-30 14:57:53 -04:00
|
|
|
{
|
2015-01-15 21:30:04 -05:00
|
|
|
g_signal_emit (barrier, obj_signals[LEFT], 0, event);
|
|
|
|
}
|
2013-10-03 15:22:26 -04:00
|
|
|
|
2022-03-14 17:45:34 -04:00
|
|
|
MetaBackend *
|
|
|
|
meta_barrier_get_backend (MetaBarrier *barrier)
|
|
|
|
{
|
2022-09-15 04:11:32 -04:00
|
|
|
MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
|
|
|
|
|
|
|
|
return priv->backend;
|
2022-03-18 10:48:23 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
MetaBorder *
|
|
|
|
meta_barrier_get_border (MetaBarrier *barrier)
|
|
|
|
{
|
2022-09-15 04:11:32 -04:00
|
|
|
MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
|
|
|
|
|
|
|
|
return &priv->border;
|
2022-03-14 17:45:34 -04:00
|
|
|
}
|
|
|
|
|
2022-03-31 15:24:46 -04:00
|
|
|
MetaBarrierFlags
|
|
|
|
meta_barrier_get_flags (MetaBarrier *barrier)
|
|
|
|
{
|
|
|
|
MetaBarrierPrivate *priv = meta_barrier_get_instance_private (barrier);
|
|
|
|
|
|
|
|
return priv->flags;
|
|
|
|
}
|
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
static void
|
|
|
|
meta_barrier_impl_class_init (MetaBarrierImplClass *klass)
|
|
|
|
{
|
|
|
|
}
|
2012-07-30 14:57:53 -04:00
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
static void
|
|
|
|
meta_barrier_impl_init (MetaBarrierImpl *impl)
|
|
|
|
{
|
2012-07-30 14:57:53 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static MetaBarrierEvent *
|
|
|
|
meta_barrier_event_ref (MetaBarrierEvent *event)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (event != NULL, NULL);
|
|
|
|
g_return_val_if_fail (event->ref_count > 0, NULL);
|
|
|
|
|
|
|
|
g_atomic_int_inc ((volatile int *)&event->ref_count);
|
|
|
|
return event;
|
|
|
|
}
|
|
|
|
|
2015-01-15 21:30:04 -05:00
|
|
|
void
|
2012-07-30 14:57:53 -04:00
|
|
|
meta_barrier_event_unref (MetaBarrierEvent *event)
|
|
|
|
{
|
|
|
|
g_return_if_fail (event != NULL);
|
|
|
|
g_return_if_fail (event->ref_count > 0);
|
|
|
|
|
|
|
|
if (g_atomic_int_dec_and_test ((volatile int *)&event->ref_count))
|
2020-10-19 13:57:57 -04:00
|
|
|
g_free (event);
|
2012-07-30 14:57:53 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
G_DEFINE_BOXED_TYPE (MetaBarrierEvent,
|
|
|
|
meta_barrier_event,
|
|
|
|
meta_barrier_event_ref,
|
|
|
|
meta_barrier_event_unref)
|