diff options
Diffstat (limited to 'libqmenumodel/src/gtk/gtksimpleactionobserver.c')
| -rw-r--r-- | libqmenumodel/src/gtk/gtksimpleactionobserver.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libqmenumodel/src/gtk/gtksimpleactionobserver.c b/libqmenumodel/src/gtk/gtksimpleactionobserver.c new file mode 100644 index 0000000..054b82f --- /dev/null +++ b/libqmenumodel/src/gtk/gtksimpleactionobserver.c @@ -0,0 +1,160 @@ +/* + * Copyright © 2013 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: Nick Dedekind <nick.dedekind@canonical.com + */ + +#include "gtksimpleactionobserver.h" + +typedef GObjectClass GtkSimpleActionObserverClass; + +struct _GtkSimpleActionObserver +{ + GObject parent_instance; + GtkActionObservable *observable; + gchar* action_name; + + GtkActionAddedFunc action_added; + GtkActionEnabledChangedFunc action_enabled_changed; + GtkActionStateChangedFunc action_state_changed; + GtkActionRemovedFunc action_removed; +}; + +static void gtk_simple_action_observer_init_observer_iface (GtkActionObserverInterface *iface); +G_DEFINE_TYPE_WITH_CODE (GtkSimpleActionObserver, gtk_simple_action_observer, G_TYPE_OBJECT, + G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTION_OBSERVER, gtk_simple_action_observer_init_observer_iface)) + +static void +gtk_simple_action_observer_finalize (GObject *object) +{ + GtkSimpleActionObserver *self = GTK_SIMPLE_ACTION_OBSERVER (object); + + g_clear_object (&self->observable); + + g_free(self->action_name); + + G_OBJECT_CLASS (gtk_simple_action_observer_parent_class)->finalize (object); +} + +static void +gtk_simple_action_observer_init (GtkSimpleActionObserver * self) +{ +} + +static void +gtk_simple_action_observer_class_init (GtkSimpleActionObserverClass *class) +{ + class->finalize = gtk_simple_action_observer_finalize; +} + +static void +gtk_simple_action_observer_action_added (GtkActionObserver *observer, + GtkActionObservable *observable, + const gchar *action_name, + const GVariantType *parameter_type, + gboolean enabled, + GVariant *state) +{ + GtkSimpleActionObserver* self; + self = GTK_SIMPLE_ACTION_OBSERVER (observer); + self->action_added(self, action_name, enabled, state); +} + +static void +gtk_simple_action_observer_action_enabled_changed (GtkActionObserver *observer, + GtkActionObservable *observable, + const gchar *action_name, + gboolean enabled) +{ + GtkSimpleActionObserver* self; + self = GTK_SIMPLE_ACTION_OBSERVER (observer); + self->action_enabled_changed(self, action_name, enabled); +} + +static void +gtk_simple_action_observer_action_state_changed (GtkActionObserver *observer, + GtkActionObservable *observable, + const gchar *action_name, + GVariant *state) +{ + GtkSimpleActionObserver* self; + self = GTK_SIMPLE_ACTION_OBSERVER (observer); + self->action_state_changed(self, action_name, state); +} + +static void +gtk_simple_action_observer_action_removed (GtkActionObserver *observer, + GtkActionObservable *observable, + const gchar *action_name) +{ + GtkSimpleActionObserver* self; + self = GTK_SIMPLE_ACTION_OBSERVER (observer); + self->action_removed(self, action_name); +} + +static void +gtk_simple_action_observer_init_observer_iface (GtkActionObserverInterface *iface) +{ + iface->action_added = gtk_simple_action_observer_action_added; + iface->action_enabled_changed = gtk_simple_action_observer_action_enabled_changed; + iface->action_state_changed = gtk_simple_action_observer_action_state_changed; + iface->action_removed = gtk_simple_action_observer_action_removed; +} + +GtkSimpleActionObserver* +gtk_simple_action_observer_new (GtkActionObservable *observable, + GtkActionAddedFunc action_added, + GtkActionEnabledChangedFunc action_enabled_changed, + GtkActionStateChangedFunc action_state_changed, + GtkActionRemovedFunc action_removed) +{ + GtkSimpleActionObserver* self; + self = g_object_new (GTK_TYPE_SIMPLE_ACTION_OBSERVER, NULL); + self->observable = g_object_ref (observable); + self->action_name = NULL; + + self->action_added = action_added; + self->action_enabled_changed = action_enabled_changed; + self->action_state_changed = action_state_changed; + self->action_removed = action_removed; + + return self; +} + +void +gtk_simple_action_observer_register_action (GtkSimpleActionObserver *self, + const gchar *action_name) +{ + gtk_simple_action_observer_unregister_action(self); + + if (action_name && g_strcmp0(action_name, "") != 0) { + self->action_name = g_strdup (action_name); + + if (g_strcmp0(self->action_name, "") != 0) { + gtk_action_observable_register_observer (self->observable, self->action_name, GTK_ACTION_OBSERVER (self)); + } + } +} + +void +gtk_simple_action_observer_unregister_action (GtkSimpleActionObserver *self) +{ + if (self->action_name) { + gtk_action_observable_unregister_observer(self->observable, self->action_name, GTK_ACTION_OBSERVER (self)); + g_free(self->action_name); + self->action_name = NULL; + } +} |