}
-// copy constructor
-instr_item::instr_item( const instr_item & image ) :
- handle ( ++instances ),
- scrn_pos ( image.scrn_pos ),
- load_value_fn( image.load_value_fn),
- disp_factor ( image.disp_factor ),
- opts ( image.opts ),
- is_enabled ( image.is_enabled ),
- broken ( image.broken ),
- scr_span ( image.scr_span ),
- mid_span ( image.mid_span )
-{
-}
-
-
instr_item::~instr_item ()
{
if (instances)
}
-void instr_item::update( void )
-{
-}
-
// break_display This is emplaced to provide hooks for making
// instruments unreliable. The default behavior is
// to simply not display, but more sophisticated behavior is available