GtkActionable

GtkActionable — An interface for widgets that can be associated with actions

Properties

gchar * action-name Read / Write
GVariant * action-target Read / Write

Types and Values

Object Hierarchy

    GInterface
    ╰── GtkActionable

Prerequisites

GtkActionable requires GtkWidget.

Includes

#include <gtk/gtk.h>

Description

This interface provides a convenient way of associating widgets with actions on a GtkApplicationWindow or GtkApplication.

It primarily consists of two properties: “action-name” and “action-target”. There are also some convenience APIs for setting these properties.

The action will be looked up in action groups that are found among the widgets ancestors. Most commonly, these will be the actions with the “win.” or “app.” prefix that are associated with the GtkApplicationWindow or GtkApplication, but other action groups that are added with gtk_widget_insert_action_group() will be consulted as well.

Functions

gtk_actionable_get_action_name ()

const gchar *
gtk_actionable_get_action_name (GtkActionable *actionable);

Gets the action name for actionable .

See gtk_actionable_set_action_name() for more information.

Parameters

actionable

a GtkActionable widget

 

Returns

the action name, or NULL if none is set.

[nullable]

Since: 3.4


gtk_actionable_set_action_name ()

void
gtk_actionable_set_action_name (GtkActionable *actionable,
                                const gchar *action_name);

Specifies the name of the action with which this widget should be associated. If action_name is NULL then the widget will be unassociated from any previous action.

Usually this function is used when the widget is located (or will be located) within the hierarchy of a GtkApplicationWindow.

Names are of the form “win.save” or “app.quit” for actions on the containing GtkApplicationWindow or its associated GtkApplication, respectively. This is the same form used for actions in the GMenu associated with the window.

Parameters

actionable

a GtkActionable widget

 

action_name

an action name, or NULL.

[nullable]

Since: 3.4


gtk_actionable_get_action_target_value ()

GVariant *
gtk_actionable_get_action_target_value
                               (GtkActionable *actionable);

Gets the current target value of actionable .

See gtk_actionable_set_action_target_value() for more information.

Parameters

actionable

a GtkActionable widget

 

Returns

the current target value.

[transfer none]

Since: 3.4


gtk_actionable_set_action_target_value ()

void
gtk_actionable_set_action_target_value
                               (GtkActionable *actionable,
                                GVariant *target_value);

Sets the target value of an actionable widget.

If target_value is NULL then the target value is unset.

The target value has two purposes. First, it is used as the parameter to activation of the action associated with the GtkActionable widget. Second, it is used to determine if the widget should be rendered as “active” — the widget is active if the state is equal to the given target.

Consider the example of associating a set of buttons with a GAction with string state in a typical “radio button” situation. Each button will be associated with the same action, but with a different target value for that action. Clicking on a particular button will activate the action with the target of that button, which will typically cause the action’s state to change to that value. Since the action’s state is now equal to the target value of the button, the button will now be rendered as active (and the other buttons, with different targets, rendered inactive).

Parameters

actionable

a GtkActionable widget

 

target_value

a GVariant to set as the target value, or NULL

 

Since: 3.4


gtk_actionable_set_action_target ()

void
gtk_actionable_set_action_target (GtkActionable *actionable,
                                  const gchar *format_string,
                                  ...);

Sets the target of an actionable widget.

This is a convenience function that calls g_variant_new() for format_string and uses the result to call gtk_actionable_set_action_target_value().

If you are setting a string-valued target and want to set the action name at the same time, you can use gtk_actionable_set_detailed_action_name().

Parameters

actionable

a GtkActionable widget

 

format_string

a GVariant format string

 

...

arguments appropriate for format_string

 

Since: 3.4


gtk_actionable_set_detailed_action_name ()

void
gtk_actionable_set_detailed_action_name
                               (GtkActionable *actionable,
                                const gchar *detailed_action_name);

Sets the action-name and associated string target value of an actionable widget.

This allows for the effect of both gtk_actionable_set_action_name() and gtk_actionable_set_action_target_value() in the common case that the target is string-valued.

detailed_action_name is a string of the form "action::target" where action is the action name and target is the string to use as the target.

Parameters

actionable

a GtkActionable widget

 

detailed_action_name

the detailed action name

 

Since: 3.4

Types and Values

GtkActionable

typedef struct _GtkActionable GtkActionable;

An opaque pointer type.


struct GtkActionableInterface

struct GtkActionableInterface {
  const gchar * (* get_action_name)             (GtkActionable *actionable);
  void          (* set_action_name)             (GtkActionable *actionable,
                                                 const gchar   *action_name);
  GVariant *    (* get_action_target_value)     (GtkActionable *actionable);
  void          (* set_action_target_value)     (GtkActionable *actionable,
                                                 GVariant      *target_value);
};

The interface vtable for GtkActionable.

Members

get_action_name ()

virtual function for gtk_actionable_get_action_name()

 

set_action_name ()

virtual function for gtk_actionable_set_action_name()

 

get_action_target_value ()

virtual function for gtk_actionable_get_action_target_value()

 

set_action_target_value ()

virtual function for gtk_actionable_set_action_target_value()

 

Property Details

The “action-name” property

  “action-name”              gchar *

The name of the associated action, like 'app.quit'.

Flags: Read / Write

Default value: NULL


The “action-target” property

  “action-target”            GVariant *

The parameter for action invocations.

Flags: Read / Write

Allowed values: GVariant<*>

Default value: NULL