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GtkActionGroup

GtkActionGroup — A group of actions

Synopsis


#include <gtk/gtk.h>

                    GtkActionGroup;
GtkActionGroup *    gtk_action_group_new                (const gchar *name);
const gchar *       gtk_action_group_get_name           (GtkActionGroup *action_group);
gboolean            gtk_action_group_get_sensitive      (GtkActionGroup *action_group);
void                gtk_action_group_set_sensitive      (GtkActionGroup *action_group,
                                                         gboolean sensitive);
gboolean            gtk_action_group_get_visible        (GtkActionGroup *action_group);
void                gtk_action_group_set_visible        (GtkActionGroup *action_group,
                                                         gboolean visible);
GtkAction *         gtk_action_group_get_action         (GtkActionGroup *action_group,
                                                         const gchar *action_name);
GList *             gtk_action_group_list_actions       (GtkActionGroup *action_group);
void                gtk_action_group_add_action         (GtkActionGroup *action_group,
                                                         GtkAction *action);
void                gtk_action_group_add_action_with_accel
                                                        (GtkActionGroup *action_group,
                                                         GtkAction *action,
                                                         const gchar *accelerator);
void                gtk_action_group_remove_action      (GtkActionGroup *action_group,
                                                         GtkAction *action);
                    GtkActionEntry;
void                gtk_action_group_add_actions        (GtkActionGroup *action_group,
                                                         const GtkActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data);
void                gtk_action_group_add_actions_full   (GtkActionGroup *action_group,
                                                         const GtkActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);
                    GtkToggleActionEntry;
void                gtk_action_group_add_toggle_actions (GtkActionGroup *action_group,
                                                         const GtkToggleActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data);
void                gtk_action_group_add_toggle_actions_full
                                                        (GtkActionGroup *action_group,
                                                         const GtkToggleActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);
                    GtkRadioActionEntry;
void                gtk_action_group_add_radio_actions  (GtkActionGroup *action_group,
                                                         const GtkRadioActionEntry *entries,
                                                         guint n_entries,
                                                         gint value,
                                                         GCallback on_change,
                                                         gpointer user_data);
void                gtk_action_group_add_radio_actions_full
                                                        (GtkActionGroup *action_group,
                                                         const GtkRadioActionEntry *entries,
                                                         guint n_entries,
                                                         gint value,
                                                         GCallback on_change,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);
void                gtk_action_group_set_translate_func (GtkActionGroup *action_group,
                                                         GtkTranslateFunc func,
                                                         gpointer data,
                                                         GDestroyNotify notify);
void                gtk_action_group_set_translation_domain
                                                        (GtkActionGroup *action_group,
                                                         const gchar *domain);
const gchar *       gtk_action_group_translate_string   (GtkActionGroup *action_group,
                                                         const gchar *string);

Object Hierarchy

  GObject
   +----GtkActionGroup

Implemented Interfaces

GtkActionGroup implements GtkBuildable.

Properties

  "name"                     gchar*                : Read / Write / Construct Only
  "sensitive"                gboolean              : Read / Write
  "visible"                  gboolean              : Read / Write

Description

Actions are organised into groups. An action group is essentially a map from names to GtkAction objects.

All actions that would make sense to use in a particular context should be in a single group. Multiple action groups may be used for a particular user interface. In fact, it is expected that most nontrivial applications will make use of multiple groups. For example, in an application that can edit multiple documents, one group holding global actions (e.g. quit, about, new), and one group per document holding actions that act on that document (eg. save, cut/copy/paste, etc). Each window's menus would be constructed from a combination of two action groups.

Accelerators are handled by the GTK+ accelerator map. All actions are assigned an accelerator path (which normally has the form <Actions>/group-name/action-name) and a shortcut is associated with this accelerator path. All menuitems and toolitems take on this accelerator path. The GTK+ accelerator map code makes sure that the correct shortcut is displayed next to the menu item.

GtkActionGroup as GtkBuildable

The GtkActionGroup implementation of the GtkBuildable interface accepts GtkAction objects as <child> elements in UI definitions.

Note that it is probably more common to define actions and action groups in the code, since they are directly related to what the code can do.

The GtkActionGroup implementation of the GtkBuildable interface supports a custom <accelerator> element, which has attributes named key and modifiers and allows to specify accelerators. This is similar to the <accelerator> element of GtkWidget, the main difference is that it doesn't allow you to specify a signal.

Example 34. A GtkDialog UI definition fragment.

<object class="GtkActionGroup" id="actiongroup">
  <child>
      <object class="GtkAction" id="About">
          <property name="name">About</property>
          <property name="stock_id">gtk-about</property>
          <signal handler="about_activate" name="activate"/>
      </object>
      <accelerator key="F1" modifiers="GDK_CONTROL_MASK | GDK_SHIFT_MASK"/>
  </child>
</object>

Details

GtkActionGroup

typedef struct _GtkActionGroup GtkActionGroup;

The GtkActionGroup struct contains only private members and should not be accessed directly.


gtk_action_group_new ()

GtkActionGroup *    gtk_action_group_new                (const gchar *name);

Creates a new GtkActionGroup object. The name of the action group is used when associating keybindings with the actions.

name :

the name of the action group.

Returns :

the new GtkActionGroup

Since 2.4


gtk_action_group_get_name ()

const gchar *       gtk_action_group_get_name           (GtkActionGroup *action_group);

Gets the name of the action group.

action_group :

the action group

Returns :

the name of the action group.

Since 2.4


gtk_action_group_get_sensitive ()

gboolean            gtk_action_group_get_sensitive      (GtkActionGroup *action_group);

Returns TRUE if the group is sensitive. The constituent actions can only be logically sensitive (see gtk_action_is_sensitive()) if they are sensitive (see gtk_action_get_sensitive()) and their group is sensitive.

action_group :

the action group

Returns :

TRUE if the group is sensitive.

Since 2.4


gtk_action_group_set_sensitive ()

void                gtk_action_group_set_sensitive      (GtkActionGroup *action_group,
                                                         gboolean sensitive);

Changes the sensitivity of action_group

action_group :

the action group

sensitive :

new sensitivity

Since 2.4


gtk_action_group_get_visible ()

gboolean            gtk_action_group_get_visible        (GtkActionGroup *action_group);

Returns TRUE if the group is visible. The constituent actions can only be logically visible (see gtk_action_is_visible()) if they are visible (see gtk_action_get_visible()) and their group is visible.

action_group :

the action group

Returns :

TRUE if the group is visible.

Since 2.4


gtk_action_group_set_visible ()

void                gtk_action_group_set_visible        (GtkActionGroup *action_group,
                                                         gboolean visible);

Changes the visible of action_group.

action_group :

the action group

visible :

new visiblity

Since 2.4


gtk_action_group_get_action ()

GtkAction *         gtk_action_group_get_action         (GtkActionGroup *action_group,
                                                         const gchar *action_name);

Looks up an action in the action group by name.

action_group :

the action group

action_name :

the name of the action

Returns :

the action, or NULL if no action by that name exists

Since 2.4


gtk_action_group_list_actions ()

GList *             gtk_action_group_list_actions       (GtkActionGroup *action_group);

Lists the actions in the action group.

action_group :

the action group

Returns :

an allocated list of the action objects in the action group

Since 2.4


gtk_action_group_add_action ()

void                gtk_action_group_add_action         (GtkActionGroup *action_group,
                                                         GtkAction *action);

Adds an action object to the action group. Note that this function does not set up the accel path of the action, which can lead to problems if a user tries to modify the accelerator of a menuitem associated with the action. Therefore you must either set the accel path yourself with gtk_action_set_accel_path(), or use gtk_action_group_add_action_with_accel (..., NULL).

action_group :

the action group

action :

an action

Since 2.4


gtk_action_group_add_action_with_accel ()

void                gtk_action_group_add_action_with_accel
                                                        (GtkActionGroup *action_group,
                                                         GtkAction *action,
                                                         const gchar *accelerator);

Adds an action object to the action group and sets up the accelerator.

If accelerator is NULL, attempts to use the accelerator associated with the stock_id of the action.

Accel paths are set to <Actions>/group-name/action-name.

action_group :

the action group

action :

the action to add

accelerator :

the accelerator for the action, in the format understood by gtk_accelerator_parse(), or "" for no accelerator, or NULL to use the stock accelerator

Since 2.4


gtk_action_group_remove_action ()

void                gtk_action_group_remove_action      (GtkActionGroup *action_group,
                                                         GtkAction *action);

Removes an action object from the action group.

action_group :

the action group

action :

an action

Since 2.4


GtkActionEntry

typedef struct {
  const gchar     *name;
  const gchar     *stock_id;
  const gchar     *label;
  const gchar     *accelerator;
  const gchar     *tooltip;
  GCallback  callback;
} GtkActionEntry;

GtkActionEntry structs are used with gtk_action_group_add_actions() to construct actions.

const gchar *name;

The name of the action.

const gchar *stock_id;

The stock id for the action, or the name of an icon from the icon theme.

const gchar *label;

The label for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain(). If label is NULL, the label of the stock item with id stock_id is used.

const gchar *accelerator;

The accelerator for the action, in the format understood by gtk_accelerator_parse().

const gchar *tooltip;

The tooltip for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().

GCallback callback;

The function to call when the action is activated.

gtk_action_group_add_actions ()

void                gtk_action_group_add_actions        (GtkActionGroup *action_group,
                                                         const GtkActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data);

This is a convenience function to create a number of actions and add them to the action group.

The "activate" signals of the actions are connected to the callbacks and their accel paths are set to <Actions>/group-name/action-name.

action_group :

the action group

entries :

an array of action descriptions

n_entries :

the number of entries

user_data :

data to pass to the action callbacks

Since 2.4


gtk_action_group_add_actions_full ()

void                gtk_action_group_add_actions_full   (GtkActionGroup *action_group,
                                                         const GtkActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);

This variant of gtk_action_group_add_actions() adds a GDestroyNotify callback for user_data.

action_group :

the action group

entries :

an array of action descriptions

n_entries :

the number of entries

user_data :

data to pass to the action callbacks

destroy :

destroy notification callback for user_data

Since 2.4


GtkToggleActionEntry

typedef struct {
  const gchar     *name;
  const gchar     *stock_id;
  const gchar     *label;
  const gchar     *accelerator;
  const gchar     *tooltip;
  GCallback  callback;
  gboolean   is_active;
} GtkToggleActionEntry;

GtkToggleActionEntry structs are used with gtk_action_group_add_toggle_actions() to construct toggle actions.

const gchar *name;

The name of the action.

const gchar *stock_id;

The stock id for the action, or the name of an icon from the icon theme.

const gchar *label;

The label for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().

const gchar *accelerator;

The accelerator for the action, in the format understood by gtk_accelerator_parse().

const gchar *tooltip;

The tooltip for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().

GCallback callback;

The function to call when the action is activated.

gboolean is_active;

The initial state of the toggle action.

gtk_action_group_add_toggle_actions ()

void                gtk_action_group_add_toggle_actions (GtkActionGroup *action_group,
                                                         const GtkToggleActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data);

This is a convenience function to create a number of toggle actions and add them to the action group.

The "activate" signals of the actions are connected to the callbacks and their accel paths are set to <Actions>/group-name/action-name.

action_group :

the action group

entries :

an array of toggle action descriptions

n_entries :

the number of entries

user_data :

data to pass to the action callbacks

Since 2.4


gtk_action_group_add_toggle_actions_full ()

void                gtk_action_group_add_toggle_actions_full
                                                        (GtkActionGroup *action_group,
                                                         const GtkToggleActionEntry *entries,
                                                         guint n_entries,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);

This variant of gtk_action_group_add_toggle_actions() adds a GDestroyNotify callback for user_data.

action_group :

the action group

entries :

an array of toggle action descriptions

n_entries :

the number of entries

user_data :

data to pass to the action callbacks

destroy :

destroy notification callback for user_data

Since 2.4


GtkRadioActionEntry

typedef struct {
  const gchar *name;
  const gchar *stock_id;
  const gchar *label;
  const gchar *accelerator;
  const gchar *tooltip;
  gint   value; 
} GtkRadioActionEntry;

GtkRadioActionEntry structs are used with gtk_action_group_add_radio_actions() to construct groups of radio actions.

const gchar *name;

The name of the action.

const gchar *stock_id;

The stock id for the action, or the name of an icon from the icon theme.

const gchar *label;

The label for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().

const gchar *accelerator;

The accelerator for the action, in the format understood by gtk_accelerator_parse().

const gchar *tooltip;

The tooltip for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().

gint value;

The value to set on the radio action. See gtk_radio_action_get_current_value().

gtk_action_group_add_radio_actions ()

void                gtk_action_group_add_radio_actions  (GtkActionGroup *action_group,
                                                         const GtkRadioActionEntry *entries,
                                                         guint n_entries,
                                                         gint value,
                                                         GCallback on_change,
                                                         gpointer user_data);

This is a convenience routine to create a group of radio actions and add them to the action group.

The "changed" signal of the first radio action is connected to the on_change callback and the accel paths of the actions are set to <Actions>/group-name/action-name.

action_group :

the action group

entries :

an array of radio action descriptions

n_entries :

the number of entries

value :

the value of the action to activate initially, or -1 if no action should be activated

on_change :

the callback to connect to the changed signal

user_data :

data to pass to the action callbacks

Since 2.4


gtk_action_group_add_radio_actions_full ()

void                gtk_action_group_add_radio_actions_full
                                                        (GtkActionGroup *action_group,
                                                         const GtkRadioActionEntry *entries,
                                                         guint n_entries,
                                                         gint value,
                                                         GCallback on_change,
                                                         gpointer user_data,
                                                         GDestroyNotify destroy);

This variant of gtk_action_group_add_radio_actions() adds a GDestroyNotify callback for user_data.

action_group :

the action group

entries :

an array of radio action descriptions

n_entries :

the number of entries

value :

the value of the action to activate initially, or -1 if no action should be activated

on_change :

the callback to connect to the changed signal

user_data :

data to pass to the action callbacks

destroy :

destroy notification callback for user_data

Since 2.4


gtk_action_group_set_translate_func ()

void                gtk_action_group_set_translate_func (GtkActionGroup *action_group,
                                                         GtkTranslateFunc func,
                                                         gpointer data,
                                                         GDestroyNotify notify);

Sets a function to be used for translating the label and tooltip of GtkActionGroupEntrys added by gtk_action_group_add_actions().

If you're using gettext(), it is enough to set the translation domain with gtk_action_group_set_translation_domain().

action_group :

a GtkActionGroup

func :

a GtkTranslateFunc

data :

data to be passed to func and notify

notify :

a GDestroyNotify function to be called when action_group is destroyed and when the translation function is changed again

Since 2.4


gtk_action_group_set_translation_domain ()

void                gtk_action_group_set_translation_domain
                                                        (GtkActionGroup *action_group,
                                                         const gchar *domain);

Sets the translation domain and uses g_dgettext() for translating the label and tooltip of GtkActionEntrys added by gtk_action_group_add_actions().

If you're not using gettext() for localization, see gtk_action_group_set_translate_func().

action_group :

a GtkActionGroup

domain :

the translation domain to use for g_dgettext() calls

Since 2.4


gtk_action_group_translate_string ()

const gchar *       gtk_action_group_translate_string   (GtkActionGroup *action_group,
                                                         const gchar *string);

Translates a string using the specified translate_func(). This is mainly intended for language bindings.

action_group :

a GtkActionGroup

string :

a string

Returns :

the translation of string

Since 2.6

Property Details

The "name" property

  "name"                     gchar*                : Read / Write / Construct Only

A name for the action group.

Default value: NULL


The "sensitive" property

  "sensitive"                gboolean              : Read / Write

Whether the action group is enabled.

Default value: TRUE


The "visible" property

  "visible"                  gboolean              : Read / Write

Whether the action group is visible.

Default value: TRUE

Signal Details

The "connect-proxy" signal

void                user_function                      (GtkActionGroup *action_group,
                                                        GtkAction      *action,
                                                        GtkWidget      *proxy,
                                                        gpointer        user_data)

The ::connect-proxy signal is emitted after connecting a proxy to an action in the group. Note that the proxy may have been connected to a different action before.

This is intended for simple customizations for which a custom action class would be too clumsy, e.g. showing tooltips for menuitems in the statusbar.

GtkUIManager proxies the signal and provides global notification just before any action is connected to a proxy, which is probably more convenient to use.

action_group :

the group

action :

the action

proxy :

the proxy

user_data :

user data set when the signal handler was connected.

Since 2.4


The "disconnect-proxy" signal

void                user_function                      (GtkActionGroup *action_group,
                                                        GtkAction      *action,
                                                        GtkWidget      *proxy,
                                                        gpointer        user_data)

The ::disconnect-proxy signal is emitted after disconnecting a proxy from an action in the group.

GtkUIManager proxies the signal and provides global notification just before any action is connected to a proxy, which is probably more convenient to use.

action_group :

the group

action :

the action

proxy :

the proxy

user_data :

user data set when the signal handler was connected.

Since 2.4


The "post-activate" signal

void                user_function                      (GtkActionGroup *action_group,
                                                        GtkAction      *action,
                                                        gpointer        user_data)

The ::post-activate signal is emitted just after the action in the action_group is activated

This is intended for GtkUIManager to proxy the signal and provide global notification just after any action is activated.

action_group :

the group

action :

the action

user_data :

user data set when the signal handler was connected.

Since 2.4


The "pre-activate" signal

void                user_function                      (GtkActionGroup *action_group,
                                                        GtkAction      *action,
                                                        gpointer        user_data)

The ::pre-activate signal is emitted just before the action in the action_group is activated

This is intended for GtkUIManager to proxy the signal and provide global notification just before any action is activated.

action_group :

the group

action :

the action

user_data :

user data set when the signal handler was connected.

Since 2.4