本文整理汇总了C++中QLocale::negativeSign方法的典型用法代码示例。如果您正苦于以下问题：C++ QLocale::negativeSign方法的具体用法？C++ QLocale::negativeSign怎么用？C++ QLocale::negativeSign使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QLocale的用法示例。
在下文中一共展示了QLocale::negativeSign方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sSave
//.........这里部分代码省略.........
QLocale sampleLocale = generateLocale();
if (_mode == cNew)
{
q.prepare( "INSERT INTO locale "
"( locale_id, locale_code, locale_descrip,"
" locale_lang_id, locale_country_id, "
" locale_dateformat, locale_timeformat, locale_timestampformat,"
" locale_intervalformat, locale_qtyformat,"
" locale_curr_scale,"
" locale_salesprice_scale, locale_purchprice_scale,"
" locale_extprice_scale, locale_cost_scale,"
" locale_qty_scale, locale_qtyper_scale,"
" locale_uomratio_scale, locale_percent_scale, "
" locale_comments, "
" locale_error_color, locale_warning_color,"
" locale_emphasis_color, locale_altemphasis_color,"
" locale_expired_color, locale_future_color) "
"VALUES "
"( :locale_id, :locale_code, :locale_descrip,"
" :locale_lang_id, :locale_country_id,"
" :locale_dateformat, :locale_timeformat, :locale_timestampformat,"
" :locale_intervalformat, :locale_qtyformat,"
" :locale_curr_scale,"
" :locale_salesprice_scale, :locale_purchprice_scale,"
" :locale_extprice_scale, :locale_cost_scale,"
" :locale_qty_scale, :locale_qtyper_scale,"
" :locale_uomratio_scale, :local_percent_scale, "
" :locale_comments,"
" :locale_error_color, :locale_warning_color,"
" :locale_emphasis_color, :locale_altemphasis_color,"
" :locale_expired_color, :locale_future_color);" );
}
else if ( (_mode == cEdit) || (_mode == cCopy) )
q.prepare( "UPDATE locale "
"SET locale_code=:locale_code,"
" locale_descrip=:locale_descrip,"
" locale_lang_id=:locale_lang_id,"
" locale_country_id=:locale_country_id,"
" locale_dateformat=:locale_dateformat,"
" locale_timeformat=:locale_timeformat,"
" locale_timestampformat=:locale_timestampformat,"
" locale_intervalformat=:locale_intervalformat,"
" locale_qtyformat=:locale_qtyformat,"
" locale_curr_scale=:locale_curr_scale,"
" locale_salesprice_scale=:locale_salesprice_scale,"
" locale_purchprice_scale=:locale_purchprice_scale,"
" locale_extprice_scale=:locale_extprice_scale,"
" locale_cost_scale=:locale_cost_scale,"
" locale_qty_scale=:locale_qty_scale,"
" locale_qtyper_scale=:locale_qtyper_scale,"
" locale_uomratio_scale=:locale_uomratio_scale,"
" locale_percent_scale=:locale_percent_scale,"
" locale_comments=:locale_comments,"
" locale_error_color=:locale_error_color,"
" locale_warning_color=:locale_warning_color,"
" locale_emphasis_color=:locale_emphasis_color,"
" locale_altemphasis_color=:locale_altemphasis_color,"
" locale_expired_color=:locale_expired_color,"
" locale_future_color=:locale_future_color "
"WHERE (locale_id=:locale_id);" );
q.bindValue(":locale_id", _localeid);
q.bindValue(":locale_code", _code->text());
q.bindValue(":locale_descrip", _description->text());
q.bindValue(":locale_lang_id", _language->id());
q.bindValue(":locale_country_id", _country->id());
q.bindValue(":locale_curr_scale", _currencyScale->text());
q.bindValue(":locale_salesprice_scale", _salesPriceScale->text());
q.bindValue(":locale_purchprice_scale", _purchPriceScale->text());
q.bindValue(":locale_extprice_scale", _extPriceScale->text());
q.bindValue(":locale_cost_scale", _costScale->text());
q.bindValue(":locale_qty_scale", _qtyScale->text());
q.bindValue(":locale_qtyper_scale", _qtyPerScale->text());
q.bindValue(":locale_uomratio_scale", _uomRatioScale->text());
q.bindValue(":locale_percent_scale", _percentScale->text());
q.bindValue(":locale_comments", _comments->toPlainText());
q.bindValue(":locale_error_color", _error->text());
q.bindValue(":locale_warning_color", _warning->text());
q.bindValue(":locale_emphasis_color", _emphasis->text());
q.bindValue(":locale_altemphasis_color", _alternate->text());
q.bindValue(":locale_expired_color", _expired->text());
q.bindValue(":locale_future_color", _future->text());
q.bindValue(":locale_dateformat", convert(sampleLocale.dateFormat(QLocale::ShortFormat)));
q.bindValue(":locale_timeformat", convert(sampleLocale.timeFormat(QLocale::ShortFormat)));
q.bindValue(":locale_timestampformat",convert(sampleLocale.dateFormat(QLocale::ShortFormat)) +
" " + convert(sampleLocale.timeFormat(QLocale::ShortFormat)));
q.bindValue(":locale_intervalformat", convert(sampleLocale.timeFormat(QLocale::ShortFormat).remove("ap", Qt::CaseInsensitive)));
q.bindValue(":locale_qtyformat", QString(sampleLocale.decimalPoint()) +
QString(sampleLocale.negativeSign()) +
QString(sampleLocale.groupSeparator()));
q.exec();
if (q.lastError().type() != QSqlError::NoError)
{
systemError(this, q.lastError().databaseText(), __FILE__, __LINE__);
return;
}
done(_localeid);
}示例2: stringToValue
/// \brief Converts string containing value and (prefix+)unit to double (Counterpart to Helper::valueToString).
/// \param text The text containing the value and its unit.
/// \param unit The base unit of the value.
/// \param ok Pointer to a success-flag, true on success, false on error.
/// \return Decoded value.
double stringToValue(const QString &text, Unit unit, bool *ok) {
// Check if the text is empty
int totalSize = text.size();
if(!totalSize){
if(ok)
*ok = false;
return 0.0;
}
// Split value and unit apart
int valueSize = 0;
QLocale locale;
bool decimalFound = false;
bool exponentFound = false;
if(text[valueSize] == locale.negativeSign())
++valueSize;
for(; valueSize < text.size(); ++valueSize) {
QChar character = text[valueSize];
if(character.isDigit()) {
}
else if(character == locale.decimalPoint() && decimalFound == false && exponentFound == false) {
decimalFound = true;
}
else if(character == locale.exponential() && exponentFound == false) {
exponentFound = true;
if(text[valueSize + 1] == locale.negativeSign())
++valueSize;
}
else {
break;
}
}
QString valueString = text.left(valueSize);
bool valueOk = false;
double value = valueString.toDouble(&valueOk);
if(!valueOk) {
if(ok)
*ok = false;
return value;
}
QString unitString = text.right(text.size() - valueSize).trimmed();
if(ok)
*ok = true;
switch(unit) {
case UNIT_VOLTS: {
// Voltage string decoding
if(unitString.startsWith('\265'))
return value * 1e-6;
else if(unitString.startsWith('m'))
return value * 1e-3;
else
return value;
}
case UNIT_DECIBEL:
// Power level string decoding
return value;
case UNIT_SECONDS:
// Time string decoding
if(unitString.startsWith('p'))
return value * 1e-12;
else if(unitString.startsWith('n'))
return value * 1e-9;
else if(unitString.startsWith('\265'))
return value * 1e-6;
else if(unitString.startsWith("min"))
return value * 60;
else if(unitString.startsWith('m'))
return value * 1e-3;
else if(unitString.startsWith('h'))
return value * 3600;
else
return value;
case UNIT_HERTZ:
// Frequency string decoding
if(unitString.startsWith('k'))
return value * 1e3;
else if(unitString.startsWith('M'))
return value * 1e6;
else if(unitString.startsWith('G'))
return value * 1e9;
else
return value;
case UNIT_SAMPLES:
// Sample count string decoding
if(unitString.startsWith('k'))
return value * 1e3;
else if(unitString.startsWith('M'))
return value * 1e6;
else if(unitString.startsWith('G'))
return value * 1e9;
//.........这里部分代码省略.........