//
/// Toggle the state of the item.
/// If the item has three states, the cycle goes from
/// unchecked -> checked -> indeterminate -> back to unchecked.
/// Otherwise the state toggles between
/// unchecked and checked.
//
void
TCheckListItem::Toggle()
{
if (!IsEnabled())
return;
if (HasThreeStates) {
if (IsIndeterminate())
Uncheck();
else if (IsChecked())
SetIndeterminate();
else
Check();
}
else {
if (IsChecked())
Uncheck();
else
Check();
}
}
/*>UpdateChecks(void)
------------------
Ensures that the menu check marks match the actual status of the
appropriate flags.
24.07.92 Original
13.08.92 Added correct style ticking (if style reselected).
09.09.92 Added regression, fourier and rexxfit
*/
UpdateChecks(void)
{
if(graph.logx) Check(MenuLogX);
else Uncheck(MenuLogX);
if(graph.logy) Check(MenuLogY);
else Uncheck(MenuLogY);
if(graph.errors) Check(MenuErrors);
else Uncheck(MenuErrors);
if(graph.boxed) Check(MenuBoxed);
else Uncheck(MenuBoxed);
if(graph.grid) Check(MenuGrid);
else Uncheck(MenuGrid);
if(graph.fzero) Check(MenuFZero);
else Uncheck(MenuFZero);
if(rexx.debug) Check(MenuDebRexx);
else Uncheck(MenuDebRexx);
if(fitting.robust) Check(MenuRobust);
else Uncheck(MenuRobust);
if(fitting.regression) Check(MenuRegress);
else Uncheck(MenuRegress);
if(fitting.fourier) Check(MenuFourier);
else Uncheck(MenuFourier);
if(fitting.rexx) Check(MenuRexxFit);
else Uncheck(MenuRexxFit);
Uncheck(MenuXY);
Uncheck(MenuScatter);
Uncheck(MenuBar);
Uncheck(MenuPie);
switch(graph.style)
{
case STYLE_LINE: Check(MenuXY); break;
case STYLE_SCATTER: Check(MenuScatter); break;
case STYLE_BAR: Check(MenuBar); break;
case STYLE_PIE: Check(MenuPie); break;
default: break;
}
return(0);
}
