Package ch.bailu.gtk.gtk

Interface SpinButton.OnOutput

Enclosing class:
SpinButton
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public static interface SpinButton.OnOutput

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    onOutput()
    Emitted to tweak the formatting of the value for display.

  • Method Details

    • onOutput

      boolean onOutput()
      Emitted to tweak the formatting of the value for display.

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

      adjustment = gtk_spin_button_get_adjustment (spin);
      value = (int)gtk_adjustment_get_value (adjustment);
      text = g_strdup_printf ("%02d", value);
      gtk_editable_set_text (GTK_EDITABLE (spin), text):
      g_free (text);

      return TRUE;
      }
      ```
      Returns:
      %TRUE if the value has been displayed