void
DataFieldBoolean::SetAsFloat(fixed Value)
{
if (GetAsFixed() != Value) {
SetAsBoolean(Value != fixed_zero);
}
}
ComboList *
DataFieldFloat::CreateComboListStepping()
{
// for DataFieldInteger and DataFieldFloat
// builds ComboPopupItemList[] by calling CreateItem for each item in list
// sets ComboPopupItemSavedIndex (global)
// returns ComboPopupItemCount
const fixed ComboListInitValue(-99999);
const fixed ComboFloatPrec(0.0001); //rounds float errors to this precision
fixed fNext = ComboListInitValue;
fixed fCurrent = ComboListInitValue;
fixed fLast = ComboListInitValue;
TCHAR sTemp[ComboPopupITEMMAX];
int iListCount = 0;
int iSelectedIndex = -1;
int iStepDirection = 1; // for integer & float step may be negative
fixed fBeforeDec = fixed_zero, fAfterDec = fixed_zero, fSavedValue = fixed_zero;
fNext = ComboListInitValue;
fCurrent = ComboListInitValue;
fLast = ComboListInitValue;
SetDisableSpeedUp(true);
SetDetachGUI(true); // disable display of inc/dec/change values
// get step direction for int & float so we can detect if we skipped the value while iterating later
TCHAR PropertyValueSaved[ComboPopupITEMMAX];
TCHAR PropertyValueSavedFormatted[ComboPopupITEMMAX];
CopyString(PropertyValueSaved, false);
CopyString(PropertyValueSavedFormatted, true);
fSavedValue = GetAsFixed();
Inc();
fBeforeDec = GetAsFixed();
Dec();
fAfterDec = GetAsFixed();
if (fAfterDec < fBeforeDec)
iStepDirection = 1;
else
iStepDirection = -1;
// reset datafield to top of list (or for large floats, away from selected
// item so it will be in the middle)
for (iListCount = 0; iListCount < ComboList::MAX_SIZE / 2; iListCount++) {
// for floats, go half way down only
Dec();
fNext = GetAsFixed();
if (fabs(fNext - fCurrent) < ComboFloatPrec) // we're at start of the list
break;
if (fabs(fNext - fLast) < ComboFloatPrec) // don't repeat Yes/No/etc (is this needed w/out Bool?)
break;
fLast = fCurrent;
fCurrent = fNext;
}
fNext = ComboListInitValue;
fCurrent = ComboListInitValue;
fLast = ComboListInitValue;
fCurrent = GetAsFixed();
ComboList *combo_list = new ComboList();
// if we stopped before hitting start of list create <<Less>> value at top of list
if (iListCount == ComboList::MAX_SIZE / 2) {
// this data index item is checked on close of dialog
combo_list->Append(ComboList::Item::PREVIOUS_PAGE, _T("<<More Items>>"));
}
// now we're at the beginning of the list, so load forward until end
for (iListCount = 0; iListCount < ComboList::MAX_SIZE - 3; iListCount++) {
// stop at LISTMAX-3 b/c it may make an additional item if it's "off step", and
// potentially two more items for <<More>> and << Less>>
// test if we've stepped over the selected value which was not a multiple of the "step"
if (iSelectedIndex == -1) {
// not found yet
if (iStepDirection * GetAsFixed() >
(fSavedValue + ComboFloatPrec * iStepDirection)) {
// step was too large, we skipped the selected value, so add it now
iSelectedIndex =
combo_list->Append(0, PropertyValueSaved,
PropertyValueSavedFormatted);
}
}
if (iSelectedIndex == -1 && fabs(fCurrent - fSavedValue) < ComboFloatPrec) {
// selected item index
iSelectedIndex = combo_list->size();
}
CopyString(sTemp, true); // can't call GetAsString & GetAsStringFormatted together (same output buffer)
combo_list->Append(0, GetAsString(), sTemp);
Inc();
fNext = GetAsFixed();
if (fabs(fNext - fCurrent) < ComboFloatPrec)
// we're at start of the list
break;
if ((fabs(fNext - fLast) < ComboFloatPrec) && combo_list->size() > 0)
//we're at the end of the range
break;
fLast = fCurrent;
fCurrent = fNext;
}
// if we stopped before hitting end of list create <<More>> value at end of list
if (iListCount == ComboList::MAX_SIZE - 3) {
// this data index item is checked on close of dialog
combo_list->Append(ComboList::Item::NEXT_PAGE, _T("<<More Items>>"));
}
SetDisableSpeedUp(false);
SetDetachGUI(false); // disable dispaly of inc/dec/change values
if (iSelectedIndex >= 0)
SetAsFloat(fSavedValue);
combo_list->ComboPopupItemSavedIndex = iSelectedIndex;
return combo_list;
}
