glib/gio/gactiongroup.h
Matthias Clasen e03a96e934 actiongroup: Add a compiler warning
Warn when the boolean return isn't used, since we may not initialize
the out arguments in the FALSE case. Update all internal callers to
use the return value. They were already safe, but users outside GLib
may not be.
2023-04-07 08:44:29 -04:00

164 lines
9.0 KiB
C

/*
* Copyright © 2010 Codethink Limited
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 of the License, 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_ACTION_GROUP_H__
#define __G_ACTION_GROUP_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_ACTION_GROUP (g_action_group_get_type ())
#define G_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_ACTION_GROUP, GActionGroup))
#define G_IS_ACTION_GROUP(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_ACTION_GROUP))
#define G_ACTION_GROUP_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), \
G_TYPE_ACTION_GROUP, GActionGroupInterface))
typedef struct _GActionGroupInterface GActionGroupInterface;
struct _GActionGroupInterface
{
GTypeInterface g_iface;
/* virtual functions */
gboolean (* has_action) (GActionGroup *action_group,
const gchar *action_name);
gchar ** (* list_actions) (GActionGroup *action_group);
gboolean (* get_action_enabled) (GActionGroup *action_group,
const gchar *action_name);
const GVariantType * (* get_action_parameter_type) (GActionGroup *action_group,
const gchar *action_name);
const GVariantType * (* get_action_state_type) (GActionGroup *action_group,
const gchar *action_name);
GVariant * (* get_action_state_hint) (GActionGroup *action_group,
const gchar *action_name);
GVariant * (* get_action_state) (GActionGroup *action_group,
const gchar *action_name);
void (* change_action_state) (GActionGroup *action_group,
const gchar *action_name,
GVariant *value);
void (* activate_action) (GActionGroup *action_group,
const gchar *action_name,
GVariant *parameter);
/* signals */
void (* action_added) (GActionGroup *action_group,
const gchar *action_name);
void (* action_removed) (GActionGroup *action_group,
const gchar *action_name);
void (* action_enabled_changed) (GActionGroup *action_group,
const gchar *action_name,
gboolean enabled);
void (* action_state_changed) (GActionGroup *action_group,
const gchar *action_name,
GVariant *state);
/* more virtual functions */
gboolean (* query_action) (GActionGroup *action_group,
const gchar *action_name,
gboolean *enabled,
const GVariantType **parameter_type,
const GVariantType **state_type,
GVariant **state_hint,
GVariant **state);
};
GIO_AVAILABLE_IN_ALL
GType g_action_group_get_type (void) G_GNUC_CONST;
GIO_AVAILABLE_IN_ALL
gboolean g_action_group_has_action (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
gchar ** g_action_group_list_actions (GActionGroup *action_group);
GIO_AVAILABLE_IN_ALL
const GVariantType * g_action_group_get_action_parameter_type (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
const GVariantType * g_action_group_get_action_state_type (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
GVariant * g_action_group_get_action_state_hint (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
gboolean g_action_group_get_action_enabled (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
GVariant * g_action_group_get_action_state (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
void g_action_group_change_action_state (GActionGroup *action_group,
const gchar *action_name,
GVariant *value);
GIO_AVAILABLE_IN_ALL
void g_action_group_activate_action (GActionGroup *action_group,
const gchar *action_name,
GVariant *parameter);
/* signals */
GIO_AVAILABLE_IN_ALL
void g_action_group_action_added (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
void g_action_group_action_removed (GActionGroup *action_group,
const gchar *action_name);
GIO_AVAILABLE_IN_ALL
void g_action_group_action_enabled_changed (GActionGroup *action_group,
const gchar *action_name,
gboolean enabled);
GIO_AVAILABLE_IN_ALL
void g_action_group_action_state_changed (GActionGroup *action_group,
const gchar *action_name,
GVariant *state);
GIO_AVAILABLE_IN_2_32
gboolean g_action_group_query_action (GActionGroup *action_group,
const gchar *action_name,
gboolean *enabled,
const GVariantType **parameter_type,
const GVariantType **state_type,
GVariant **state_hint,
GVariant **state) G_GNUC_WARN_UNUSED_RESULT;
G_END_DECLS
#endif /* __G_ACTION_GROUP_H__ */