Re: Radio Buttons

[Carlos Pereira <carlos pehoe civil ist utl pt>]

> Does anyone know how you can detect which Radio button has been selected. I
> have three radio buttons and a normal button. The user selectes a radio
> button then selects the normal button. I need to know how to detect which
> radio button is depressed from the function called by the normal button.

See the example below,
(of course there are other ways of doing this)

Carlos

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/* callback: get radio buttons */
button = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (dialog), "radio_button_a");
if (GTK_TOGGLE_BUTTON (button)->active == TRUE) do_stuff_a;

button = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (dialog), "radio_button_b");
if (GTK_TOGGLE_BUTTON (button)->active == TRUE) do_stuff_b;

button = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (dialog), "radio_button_c");
if (GTK_TOGGLE_BUTTON (button)->active == TRUE) do_stuff_c;

/* main: create radio buttons */
button = gtk_radio_button_new_with_label (NULL, "a");
gtk_object_set_data (GTK_OBJECT (dialog), "radio_button_a", button);
gtk_widget_show (button);

button = gtk_radio_button_new_with_label (
gtk_radio_button_group (GTK_RADIO_BUTTON (button)), "b");
gtk_object_set_data (GTK_OBJECT (dialog), "radio_button_b", button);
gtk_widget_show (button);

button = gtk_radio_button_new_with_label (
gtk_radio_button_group (GTK_RADIO_BUTTON (button)), "c");
gtk_object_set_data (GTK_OBJECT (dialog), "radio_button_c", button);
gtk_widget_show (button);