diff options
author | Matthias Clasen <mclasen@redhat.com> | 2011-12-12 00:00:16 -0500 |
---|---|---|
committer | Matthias Clasen <mclasen@redhat.com> | 2011-12-12 00:00:16 -0500 |
commit | e24241384793b9d4648d00df8ac972dafcbc87a0 (patch) | |
tree | dac8d3e3ca99ab565d0eed603ce4a31393aec8b9 /gio/gactiongroup.c | |
parent | 840482658a7cdacd012df6edba78edf7f7862036 (diff) | |
download | glib-e24241384793b9d4648d00df8ac972dafcbc87a0.tar.gz |
Expand actiongroup docs a bit more
Diffstat (limited to 'gio/gactiongroup.c')
-rw-r--r-- | gio/gactiongroup.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/gio/gactiongroup.c b/gio/gactiongroup.c index f7cd6e9d7..97bc7446e 100644 --- a/gio/gactiongroup.c +++ b/gio/gactiongroup.c @@ -28,16 +28,37 @@ * SECTION:gactiongroup * @title: GActionGroup * @short_description: A group of actions - * - * #GActionGroup represents a group of actions. + * @see_also: #GAction + * + * #GActionGroup represents a group of actions. Actions can be used to + * expose functionality in a structured way, either from one part of a + * program to another, or to the outside world. Action groups are often + * used together with a #GMenuModel that provides additional + * representation data for displaying the actions to the user, e.g. in + * a menu. + * + * The main way to interact with the actions in a GActionGroup is to + * activate them with g_action_group_activate_action(). Activating an + * action may require a #GVariant parameter. The required type of the + * parameter can be inquired with g_action_group_get_action_parameter_type(). + * Actions may be disabled, see g_action_group_get_action_enabled(). + * Activating a disabled action has no effect. + * + * Actions may optionally have a state in the form of a #GVariant. The + * current state of an action can be inquired with + * g_action_group_get_action_state(). Activating a stateful action may + * change its state, but it is also possible to set the state by calling + * g_action_group_change_action_state(). + * + * As typical example, consider a text editing application which has an + * option to change the current font to 'bold'. A good way to represent + * this would be a stateful action, with a boolean state. Activating the + * action would toggle the state. * * Each action in the group has a unique name (which is a string). All * method calls, except g_action_group_list_actions() take the name of * an action as an argument. * - * Action groups are often used together with a #GMenuModel that provides - * additional representation data for the actions. - * * The #GActionGroup API is meant to be the 'public' API to the action * group. The calls here are exactly the interaction that 'external * forces' (eg: UI, incoming D-Bus messages, etc.) are supposed to have @@ -54,7 +75,7 @@ * g_action_group_query_action(). The other virtual functions should * not be implemented - their "wrappers" are actually implemented with * calls to g_action_group_query_action(). - **/ + */ /** * GActionGroupInterface: |