// because when combobox popup is shown, gtk_combo_select_child_callback is
// called each times the mouse is over an item with a pressed button so a lot
// of SELECTED event could be generated if the user keep the mouse button down
// and select other items ...
// because when combobox popup is shown, gtk_combo_select_child_callback is
// called each times the mouse is over an item with a pressed button so a lot
// of SELECTED event could be generated if the user keep the mouse button down
// and select other items ...