+++ /dev/null
-/*
- * Copyright © 2012 Canonical Limited
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * licence or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- *
- * Authors: Ryan Lortie <desrt@desrt.ca>
- */
-
-#include "config.h"
-
-#include "gsimpleactionobserver.h"
-#include "gactionobservable.h"
-
-typedef GObjectClass GSimpleActionObserverClass;
-struct _GSimpleActionObserver
-{
- GObject parent_instance;
-
- GActionGroup *action_group;
- gchar *action_name;
- GVariant *target;
-
- gboolean can_activate;
- gboolean active;
- gboolean enabled;
-
- gint reporting;
-};
-
-static void g_simple_action_observer_init_iface (GActionObserverInterface *iface);
-G_DEFINE_TYPE_WITH_CODE (GSimpleActionObserver, g_simple_action_observer, G_TYPE_OBJECT,
- G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_OBSERVER, g_simple_action_observer_init_iface));
-
-enum
-{
- PROP_0,
- PROP_ACTIVE,
- PROP_ENABLED,
- N_PROPS
-};
-
-static GParamSpec *g_simple_action_observer_pspecs[N_PROPS];
-
-static void
-g_simple_action_observer_action_added (GActionObserver *g_observer,
- GActionObservable *observable,
- const gchar *action_name,
- const GVariantType *parameter_type,
- gboolean enabled,
- GVariant *state)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (g_observer);
- gboolean active;
-
- /* we can only activate if we have the correct type of parameter */
- observer->can_activate = (observer->target == NULL && parameter_type == NULL) ||
- (observer->target != NULL && parameter_type != NULL &&
- g_variant_is_of_type (observer->target, parameter_type));
-
- if (observer->can_activate)
- {
- if (observer->target != NULL && state != NULL)
- active = g_variant_equal (state, observer->target);
-
- else if (state != NULL && g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
- active = g_variant_get_boolean (state);
-
- else
- active = FALSE;
-
- if (active != observer->active)
- {
- observer->active = active;
- observer->reporting++;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ACTIVE]);
- observer->reporting--;
- }
-
- if (enabled != observer->enabled)
- {
- observer->enabled = enabled;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ENABLED]);
- }
- }
-}
-
-static void
-g_simple_action_observer_action_enabled_changed (GActionObserver *g_observer,
- GActionObservable *observable,
- const gchar *action_name,
- gboolean enabled)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (g_observer);
-
- if (!observer->can_activate)
- return;
-
- if (enabled != observer->enabled)
- {
- observer->enabled = enabled;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ENABLED]);
- }
-}
-
-static void
-g_simple_action_observer_action_state_changed (GActionObserver *g_observer,
- GActionObservable *observable,
- const gchar *action_name,
- GVariant *state)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (g_observer);
- gboolean active = FALSE;
-
- if (!observer->can_activate)
- return;
-
- if (observer->target)
- active = g_variant_equal (state, observer->target);
-
- else if (g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
- active = g_variant_get_boolean (state);
-
- if (active != observer->active)
- {
- observer->active = active;
- observer->reporting++;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ACTIVE]);
- observer->reporting--;
- }
-}
-
-static void
-g_simple_action_observer_action_removed (GActionObserver *g_observer,
- GActionObservable *observable,
- const gchar *action_name)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (g_observer);
-
- if (!observer->can_activate)
- return;
-
- observer->can_activate = FALSE;
-
- if (observer->active)
- {
- observer->active = FALSE;
- observer->reporting++;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ACTIVE]);
- observer->reporting--;
- }
-
- if (observer->enabled)
- {
- observer->enabled = FALSE;
- g_object_notify_by_pspec (G_OBJECT (observer), g_simple_action_observer_pspecs[PROP_ENABLED]);
- }
-}
-
-static void
-g_simple_action_observer_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (object);
-
- switch (prop_id)
- {
- case PROP_ACTIVE:
- g_value_set_boolean (value, observer->active);
- break;
-
- case PROP_ENABLED:
- g_value_set_boolean (value, observer->enabled);
- break;
-
- default:
- g_assert_not_reached ();
- }
-}
-
-static void
-g_simple_action_observer_finalize (GObject *object)
-{
- GSimpleActionObserver *observer = G_SIMPLE_ACTION_OBSERVER (object);
-
- g_object_unref (observer->action_group);
- g_free (observer->action_name);
-
- if (observer->target)
- g_variant_unref (observer->target);
-
- G_OBJECT_CLASS (g_simple_action_observer_parent_class)
- ->finalize (object);
-}
-
-static void
-g_simple_action_observer_init (GSimpleActionObserver *observer)
-{
-}
-
-static void
-g_simple_action_observer_init_iface (GActionObserverInterface *iface)
-{
- iface->action_added = g_simple_action_observer_action_added;
- iface->action_enabled_changed = g_simple_action_observer_action_enabled_changed;
- iface->action_state_changed = g_simple_action_observer_action_state_changed;
- iface->action_removed = g_simple_action_observer_action_removed;
-}
-
-static void
-g_simple_action_observer_class_init (GObjectClass *class)
-{
- class->get_property = g_simple_action_observer_get_property;
- class->finalize = g_simple_action_observer_finalize;
-
- g_simple_action_observer_pspecs[PROP_ACTIVE] = g_param_spec_boolean ("active", "active", "active", FALSE,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
- g_simple_action_observer_pspecs[PROP_ENABLED] = g_param_spec_boolean ("enabled", "enabled", "enabled", FALSE,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_properties (class, N_PROPS, g_simple_action_observer_pspecs);
-}
-
-GSimpleActionObserver *
-g_simple_action_observer_new (GActionObservable *observable,
- const gchar *action_name,
- GVariant *target)
-{
- GSimpleActionObserver *observer;
- const GVariantType *type;
- gboolean enabled;
- GVariant *state;
-
- observer = g_object_new (G_TYPE_SIMPLE_ACTION_OBSERVER, NULL);
- observer->action_group = g_object_ref (observable);
- observer->action_name = g_strdup (action_name);
- if (target)
- observer->target = g_variant_ref_sink (target);
-
- g_action_observable_register_observer (observable, action_name, G_ACTION_OBSERVER (observer));
-
- if (g_action_group_query_action (observer->action_group, action_name, &enabled, &type, NULL, NULL, &state))
- {
- g_simple_action_observer_action_added (G_ACTION_OBSERVER (observer), observable,
- action_name, type, enabled, state);
- if (state)
- g_variant_unref (state);
- }
-
- return observer;
-}
-
-void
-g_simple_action_observer_activate (GSimpleActionObserver *observer)
-{
- g_return_if_fail (G_IS_SIMPLE_ACTION_OBSERVER (observer));
-
- if (observer->can_activate && !observer->reporting)
- g_action_group_activate_action (G_ACTION_GROUP (observer->action_group),
- observer->action_name, observer->target);
-}
-
-gboolean
-g_simple_action_observer_get_active (GSimpleActionObserver *observer)
-{
- g_return_val_if_fail (G_IS_SIMPLE_ACTION_OBSERVER (observer), FALSE);
-
- return observer->active;
-}
-
-gboolean
-g_simple_action_observer_get_enabled (GSimpleActionObserver *observer)
-{
- g_return_val_if_fail (G_IS_SIMPLE_ACTION_OBSERVER (observer), FALSE);
-
- return observer->enabled;
-}
+++ /dev/null
-/*
- * Copyright © 2012 Canonical Limited
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * licence or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- *
- * Authors: Ryan Lortie <desrt@desrt.ca>
- */
-
-#ifndef __G_SIMPLE_ACTION_OBSERVER_H__
-#define __G_SIMPLE_ACTION_OBSERVER_H__
-
-#include "gactionobserver.h"
-
-G_BEGIN_DECLS
-
-#define G_TYPE_SIMPLE_ACTION_OBSERVER (g_simple_action_observer_get_type ())
-#define G_SIMPLE_ACTION_OBSERVER(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
- G_TYPE_SIMPLE_ACTION_OBSERVER, \
- GSimpleActionObserver))
-#define G_IS_SIMPLE_ACTION_OBSERVER(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
- G_TYPE_SIMPLE_ACTION_OBSERVER))
-
-typedef struct _GSimpleActionObserver GSimpleActionObserver;
-
-G_GNUC_INTERNAL
-GType g_simple_action_observer_get_type (void);
-G_GNUC_INTERNAL
-GSimpleActionObserver * g_simple_action_observer_new (GActionObservable *observable,
- const gchar *action_name,
- GVariant *target);
-G_GNUC_INTERNAL
-void g_simple_action_observer_activate (GSimpleActionObserver *observer);
-G_GNUC_INTERNAL
-gboolean g_simple_action_observer_get_active (GSimpleActionObserver *observer);
-G_GNUC_INTERNAL
-gboolean g_simple_action_observer_get_enabled (GSimpleActionObserver *observer);
-
-G_END_DECLS
-
-#endif /* __G_SIMPLE_ACTION_OBSERVER_H__ */
projects / gtk4.git / commitdiff