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Gtk


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GObject.Object
parent-child markerGObject.InitiallyUnowned
parent-child markerGtk.Widget
parent-child markerGtk.Container
parent-child markerGtk.Bin
parent-child markerGtk.Button
parent-child markerGtk.ToggleButton
parent-child markerGtk.CheckButton
parent-child marker Gtk.RadioButton

Class Gtk.RadioButton

Import line: Gtk = imports.gi.Gtk;
GIR File: Gtk-3.0.gir
C documentation: GtkRadioButton
Class : RadioButton
Implements: Atk.ImplementorIface, Gtk.Activatable, Gtk.Buildable
Extends: Gtk.CheckButton
A single radio button performs the same basic function as a GtkCheckButton,
as its position in the object hierarchy reflects. It is only when multiple
radio buttons are grouped together that they become a different user
interface component in their own right.
Every radio button is a member of some group of radio buttons. When one is
selected, all other radio buttons in the same group are deselected. A
GtkRadioButton is one way of giving the user a choice from many options.
Radio button widgets are created with gtk_radio_button_new(), passing NULL
as the argument if this is the first radio button in a group. In subsequent
calls, the group you wish to add this button to should be passed as an
argument. Optionally, gtk_radio_button_new_with_label() can be used if you
want a text label on the radio button.
Alternatively, when adding widgets to an existing group of radio buttons,
use gtk_radio_button_new_from_widget() with a GtkRadioButton that already
has a group assigned to it. The convenience function
gtk_radio_button_new_with_label_from_widget() is also provided.
To retrieve the group a GtkRadioButton is assigned to, use
gtk_radio_button_get_group().
To remove a GtkRadioButton from one group and make it part of a new one,
use gtk_radio_button_set_group().
The group list does not need to be freed, as each GtkRadioButton will remove
itself and its list item when it is destroyed.

How to create a group of two radio buttons.

void create_radio_buttons (void) {
GtkWidget *window, *radio1, *radio2, *box, *entry;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, TRUE, 2);
/* Create a radio button with a GtkEntry widget */
radio1 = gtk_radio_button_new (NULL);
entry = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (radio1), entry);
/* Create a radio button with a label */
radio2 = gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON (radio1),
"I'm the second radio button.");
/* Pack them into a box, then show all the widgets */
gtk_box_pack_start (GTK_BOX (box), radio1, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (box), radio2, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (window), box);
gtk_widget_show_all (window);
return;
}


When an unselected button in the group is clicked the clicked button
receives the GtkToggleButton::toggled signal, as does the previously
selected button.
Inside the GtkToggleButton::toggled handler, gtk_toggle_button_get_active()
can be used to determine if the button has been selected or deselected.
Properties
Properties Defined By
Methods / Constructors
Method / Constructor Defined By
Events - usage syntax: this.signals.EVENTNAME.connect( Function )
Event Defined By
Used by These Methods / Signals / Properties
Class / Namespace Method / Signal / Properties
Gtk.RadioButton
Property
group : Gtk.RadioButton
Sets a new group for a radio button.
Documentation generated by Introspection Doc Generator Loosely Based on JsDoc Toolkit on Sat Apr 16 2011 17:13:33 GMT+0800 (HKT)