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actionmuxer: Update docs and clean up headers

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Update the doc comment at the top to describe the
current  functionality of GtkActionMuxer.
This commit is contained in:
Matthias Clasen 2020-07-19 17:04:11 -04:00
parent ed92026632
commit 486fbce42b
2 changed files with 42 additions and 32 deletions
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30
gtk/gtkactionmuxer.c
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@ -105,10 +105,24 @@ gtk_accels_remove (GtkAccels *accels,
/*< private >
* SECTION:gtkactionmuxer
* @short_description: Aggregate and monitor several action groups
* @short_description: Aggregate and monitor actions from multiple sources
*
* #GtkActionMuxer is a #GActionGroup and #GtkActionObservable that is
* capable of containing other #GActionGroup instances.
* #GtkActionMuxer is #GtkActionObservable and #GtkActionObserver that
* offers a #GActionGroup-like api and is capable of containing other
* #GActionGroup instances. #GtkActionMuxer does not implement the
* #GActionGroup interface because it requires excessive signal emissions
* and has poor scalability. We use the #GtkActionObserver machinery
* instead to propagate changes between action muxer instances and
* to other users.
*
* Beyond action groups, #GtkActionMuxer can incorporate actions that
* are associated with widget classes (*class actions*) and actions
* that are associated with the parent widget, allowing for recursive
* lookup.
*
* In addition to the action attributes provided by #GActionGroup,
* #GtkActionMuxer maintains a *primary accelerator* string for
* actions that can be shown in menuitems.
*
* The typical use is aggregating all of the actions applicable to a
* particular context into a single action group, with namespacing.
@ -119,12 +133,12 @@ gtk_accels_remove (GtkAccels *accels,
* application (such as “fullscreen”).
*
* In this case, each of these action groups could be added to a
* #GtkActionMuxer with the prefixes “app” and “win”, respectively. This
* would expose the actions as “app.quit” and “win.fullscreen” on the
* #GActionGroup interface presented by the #GtkActionMuxer.
* #GtkActionMuxer with the prefixes “app” and “win”, respectively.
* This would expose the actions as “app.quit” and “win.fullscreen”
* on the #GActionGroup-like interface presented by the #GtkActionMuxer.
*
* Activations and state change requests on the #GtkActionMuxer are wired
* through to the underlying action group in the expected way.
* Activations and state change requests on the #GtkActionMuxer are
* wired through to the underlying actions in the expected way.
*
* This class is typically only used at the site of “consumption” of
* actions (eg: when displaying a menu that contains many actions on

44
gtk/gtkactionmuxerprivate.h
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@ -52,7 +52,7 @@ GType gtk_action_muxer_get_type (void);
GtkActionMuxer * gtk_action_muxer_new (GtkWidget *widget);
void gtk_action_muxer_insert (GtkActionMuxer *muxer,
const gchar *prefix,
const char *prefix,
GActionGroup *action_group);
void gtk_action_muxer_remove (GtkActionMuxer *muxer,
@ -65,13 +65,7 @@ GtkActionMuxer * gtk_action_muxer_get_parent (GtkActi
void gtk_action_muxer_set_parent (GtkActionMuxer *muxer,
GtkActionMuxer *parent);
void gtk_action_muxer_set_primary_accel (GtkActionMuxer *muxer,
const gchar *action_and_target,
const gchar *primary_accel);
const char * gtk_action_muxer_get_primary_accel (GtkActionMuxer *muxer,
const gchar *action_and_target);
/* GActionGroup equivalent api */
gboolean gtk_action_muxer_query_action (GtkActionMuxer *muxer,
const char *action_name,
gboolean *enabled,
@ -89,25 +83,27 @@ gboolean gtk_action_muxer_has_action (GtkActi
const char *action_name);
char ** gtk_action_muxer_list_actions (GtkActionMuxer *muxer);
/* api for class actions */
void gtk_action_muxer_action_enabled_changed (GtkActionMuxer *muxer,
const char *action_name,
gboolean enabled);
void gtk_action_muxer_action_state_changed (GtkActionMuxer *muxer,
const char *action_name,
GVariant *state);
void gtk_action_muxer_connect_class_actions (GtkActionMuxer *muxer);
void
gtk_action_muxer_action_enabled_changed (GtkActionMuxer *muxer,
const char *action_name,
gboolean enabled);
void
gtk_action_muxer_action_state_changed (GtkActionMuxer *muxer,
const gchar *action_name,
GVariant *state);
void gtk_action_muxer_connect_class_actions (GtkActionMuxer *muxer);
/* api for accels */
void gtk_action_muxer_set_primary_accel (GtkActionMuxer *muxer,
const char *action_and_target,
const char *primary_accel);
const char * gtk_action_muxer_get_primary_accel (GtkActionMuxer *muxer,
const char *action_and_target);
/* No better place for these... */
gchar * gtk_print_action_and_target (const gchar *action_namespace,
const gchar *action_name,
GVariant *target);
gchar * gtk_normalise_detailed_action_name (const gchar *detailed_action_name);
char * gtk_print_action_and_target (const char *action_namespace,
const char *action_name,
GVariant *target);
char * gtk_normalise_detailed_action_name (const char *detailed_action_name);
G_END_DECLS