Signal

GtkSpinButton::output

Declaration

gboolean
output (
  GtkSpinButton* self,
  gpointer user_data
)

Description [src]

The ::output signal can be used to change to formatting of the value that is displayed in the spin buttons entry.

// show leading zeros
static gboolean
on_output (GtkSpinButton *spin,
           gpointer       data)
{
   GtkAdjustment *adjustment;
   gchar *text;
   int value;

   adjustment = gtk_spin_button_get_adjustment (spin);
   value = (int)gtk_adjustment_get_value (adjustment);
   text = g_strdup_printf ("%02d", value);
   gtk_entry_set_text (GTK_ENTRY (spin), text);
   g_free (text);

   return TRUE;
}

Default handler:

The default handler is called after the handlers added via g_signal_connect().

Return value

Type: gboolean

TRUE if the value has been displayed.