gio/gactiongroup.h

   1 /*
   2  * Copyright © 2010 Codethink Limited
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published
   6  * by the Free Software Foundation; either version 2 of the licence or (at
   7  * your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Authors: Ryan Lortie <desrt@desrt.ca>
  20  */
  21
  22 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  23 #error "Only <gio/gio.h> can be included directly."
  24 #endif
  25
  26 #ifndef __G_ACTION_GROUP_H__
  27 #define __G_ACTION_GROUP_H__
  28
  29 #include <gio/giotypes.h>
  30
  31 G_BEGIN_DECLS
  32
  33
  34 #define G_TYPE_ACTION_GROUP                                 (g_action_group_get_type ())
  35 #define G_ACTION_GROUP(inst)                                (G_TYPE_CHECK_INSTANCE_CAST ((inst),                     \
  36                                                              G_TYPE_ACTION_GROUP, GActionGroup))
  37 #define G_IS_ACTION_GROUP(inst)                             (G_TYPE_CHECK_INSTANCE_TYPE ((inst),                     \
  38                                                              G_TYPE_ACTION_GROUP))
  39 #define G_ACTION_GROUP_GET_IFACE(inst)                      (G_TYPE_INSTANCE_GET_INTERFACE ((inst),                  \
  40                                                              G_TYPE_ACTION_GROUP, GActionGroupInterface))
  41
  42 typedef struct _GActionGroupInterface                       GActionGroupInterface;
  43
  44 struct _GActionGroupInterface
  45 {
  46   GTypeInterface g_iface;
  47
  48   /* virtual functions */
  49   gboolean              (* has_action)                 (GActionGroup  *action_group,
  50                                                         const gchar   *action_name);
  51
  52   gchar **              (* list_actions)               (GActionGroup  *action_group);
  53
  54   gboolean              (* get_action_enabled)         (GActionGroup  *action_group,
  55                                                         const gchar   *action_name);
  56
  57   const GVariantType *  (* get_action_parameter_type)  (GActionGroup  *action_group,
  58                                                         const gchar   *action_name);
  59
  60   const GVariantType *  (* get_action_state_type)      (GActionGroup  *action_group,
  61                                                         const gchar   *action_name);
  62
  63   GVariant *            (* get_action_state_hint)      (GActionGroup  *action_group,
  64                                                         const gchar   *action_name);
  65
  66   GVariant *            (* get_action_state)           (GActionGroup  *action_group,
  67                                                         const gchar   *action_name);
  68
  69   void                  (* change_action_state)        (GActionGroup  *action_group,
  70                                                         const gchar   *action_name,
  71                                                         GVariant      *value);
  72
  73   void                  (* activate_action)            (GActionGroup  *action_group,
  74                                                         const gchar   *action_name,
  75                                                         GVariant      *parameter);
  76
  77   /* signals */
  78   void                  (* action_added)               (GActionGroup  *action_group,
  79                                                         const gchar   *action_name);
  80   void                  (* action_removed)             (GActionGroup  *action_group,
  81                                                         const gchar   *action_name);
  82   void                  (* action_enabled_changed)     (GActionGroup  *action_group,
  83                                                         const gchar   *action_name,
  84                                                         gboolean       enabled);
  85   void                  (* action_state_changed)       (GActionGroup   *action_group,
  86                                                         const gchar    *action_name,
  87                                                         GVariant       *state);
  88
  89   /* more virtual functions */
  90   gboolean              (* query_action)               (GActionGroup        *action_group,
  91                                                         const gchar         *action_name,
  92                                                         gboolean            *enabled,
  93                                                         const GVariantType **parameter_type,
  94                                                         const GVariantType **state_type,
  95                                                         GVariant           **state_hint,
  96                                                         GVariant           **state);
  97 };
  98
  99 GType                   g_action_group_get_type                         (void) G_GNUC_CONST;
 100
 101 gboolean                g_action_group_has_action                       (GActionGroup *action_group,
 102                                                                          const gchar  *action_name);
 103 gchar **                g_action_group_list_actions                     (GActionGroup *action_group);
 104
 105 const GVariantType *    g_action_group_get_action_parameter_type        (GActionGroup *action_group,
 106                                                                          const gchar  *action_name);
 107 const GVariantType *    g_action_group_get_action_state_type            (GActionGroup *action_group,
 108                                                                          const gchar  *action_name);
 109 GVariant *              g_action_group_get_action_state_hint            (GActionGroup *action_group,
 110                                                                          const gchar  *action_name);
 111
 112 gboolean                g_action_group_get_action_enabled               (GActionGroup *action_group,
 113                                                                          const gchar  *action_name);
 114
 115 GVariant *              g_action_group_get_action_state                 (GActionGroup *action_group,
 116                                                                          const gchar  *action_name);
 117 void                    g_action_group_change_action_state              (GActionGroup *action_group,
 118                                                                          const gchar  *action_name,
 119                                                                          GVariant     *value);
 120
 121 void                    g_action_group_activate_action                  (GActionGroup *action_group,
 122                                                                          const gchar  *action_name,
 123                                                                          GVariant     *parameter);
 124
 125 /* signals */
 126 void                    g_action_group_action_added                     (GActionGroup *action_group,
 127                                                                          const gchar  *action_name);
 128 void                    g_action_group_action_removed                   (GActionGroup *action_group,
 129                                                                          const gchar  *action_name);
 130 void                    g_action_group_action_enabled_changed           (GActionGroup *action_group,
 131                                                                          const gchar  *action_name,
 132                                                                          gboolean      enabled);
 133
 134 void                    g_action_group_action_state_changed             (GActionGroup *action_group,
 135                                                                          const gchar  *action_name,
 136                                                                          GVariant     *state);
 137
 138 GLIB_AVAILABLE_IN_2_32
 139 gboolean                g_action_group_query_action                     (GActionGroup        *action_group,
 140                                                                          const gchar         *action_name,
 141                                                                          gboolean            *enabled,
 142                                                                          const GVariantType **parameter_type,
 143                                                                          const GVariantType **state_type,
 144                                                                          GVariant           **state_hint,
 145                                                                          GVariant           **state);
 146
 147 G_END_DECLS
 148
 149 #endif /* __G_ACTION_GROUP_H__ */