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Description
A GtkRadioAction is similar to GtkRadioMenuItem. A number of radio actions can be linked together so that only one may be active at any one time.
Functions
gtk_radio_action_new ()
GtkRadioAction * gtk_radio_action_new (const gchar *name
,const gchar *label
,const gchar *tooltip
,const gchar *stock_id
,gint value
);
Creates a new GtkRadioAction object. To add the action to
a GtkActionGroup and set the accelerator for the action,
call gtk_action_group_add_action_with_accel()
.
Parameters
name |
A unique name for the action |
|
label |
The label displayed in menu items and on buttons, or |
[allow-none] |
tooltip |
A tooltip for this action, or |
[allow-none] |
stock_id |
The stock icon to display in widgets representing this
action, or |
|
value |
The value which |
Since 2.4
gtk_radio_action_get_group ()
GSList *
gtk_radio_action_get_group (GtkRadioAction *action
);
Returns the list representing the radio group for this object. Note that the returned list is only valid until the next change to the group.
A common way to set up a group of radio group is the following:
1 2 3 4 5 6 7 8 9 10 |
GSList *group = NULL; GtkRadioAction *action; while (/* more actions to add */) { action = gtk_radio_action_new (...); gtk_radio_action_set_group (action, group); group = gtk_radio_action_get_group (action); } |
Returns
the list representing the radio group for this object.
[element-type GtkAction][transfer none]
Since 2.4
gtk_radio_action_set_group ()
void gtk_radio_action_set_group (GtkRadioAction *action
,GSList *group
);
Sets the radio group for the radio action object.
Since 2.4
gtk_radio_action_get_current_value ()
gint
gtk_radio_action_get_current_value (GtkRadioAction *action
);
Obtains the value property of the currently active member of
the group to which action
belongs.
Since 2.4
gtk_radio_action_set_current_value ()
void gtk_radio_action_set_current_value (GtkRadioAction *action
,gint current_value
);
Sets the currently active group member to the member with value
property current_value
.
Since 2.10
Property Details
The “current-value”
property
“current-value” gint
The value property of the currently active member of the group to which this action belongs.
Flags: Read / Write
Default value: 0
Since 2.10
The “group”
property
“group” GtkRadioAction *
Sets a new group for a radio action.
Flags: Write
Since 2.4
The “value”
property
“value” gint
The value is an arbitrary integer which can be used as a
convenient way to determine which action in the group is
currently active in an ::activate or ::changed signal handler.
See gtk_radio_action_get_current_value()
and GtkRadioActionEntry
for convenient ways to get and set this property.
Flags: Read / Write
Default value: 0
Since 2.4
Signal Details
The “changed”
signal
void user_function (GtkRadioAction *action, GtkRadioAction *current, gpointer user_data)
The ::changed signal is emitted on every member of a radio group when the active member is changed. The signal gets emitted after the ::activate signals for the previous and current active members.
Parameters
action |
the action on which the signal is emitted |
|
current |
the member of |
|
user_data |
user data set when the signal handler was connected. |
Flags: No Recursion
Since 2.4