本文整理汇总了C++中base::Quantity::isQuantity方法的典型用法代码示例。如果您正苦于以下问题：C++ Quantity::isQuantity方法的具体用法？C++ Quantity::isQuantity怎么用？C++ Quantity::isQuantity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base::Quantity的用法示例。
在下文中一共展示了Quantity::isQuantity方法的1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: exec
void EditDatumDialog::exec(bool atCursor)
{
// Return if constraint doesn't have editable value
if (Constr->Type == Sketcher::Distance ||
Constr->Type == Sketcher::DistanceX || Constr->Type == Sketcher::DistanceY ||
Constr->Type == Sketcher::Radius || Constr->Type == Sketcher::Angle) {
if (sketch->hasConflicts()) {
QMessageBox::critical(qApp->activeWindow(), QObject::tr("Distance constraint"),
QObject::tr("Not allowed to edit the datum because the sketch contains conflicting constraints"));
return;
}
Gui::MDIView *mdi = Gui::Application::Instance->activeDocument()->getActiveView();
Gui::View3DInventorViewer *viewer = static_cast<Gui::View3DInventor *>(mdi)->getViewer();
QDialog dlg(viewer->getGLWidget());
Ui::InsertDatum ui_ins_datum;
ui_ins_datum.setupUi(&dlg);
double datum = Constr->Value;
Base::Quantity init_val;
if (Constr->Type == Sketcher::Angle) {
datum = Base::toDegrees<double>(datum);
dlg.setWindowTitle(tr("Insert angle"));
init_val.setUnit(Base::Unit::Angle);
ui_ins_datum.label->setText(tr("Angle:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherAngle"));
}
else if (Constr->Type == Sketcher::Radius) {
dlg.setWindowTitle(tr("Insert radius"));
init_val.setUnit(Base::Unit::Length);
ui_ins_datum.label->setText(tr("Radius:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
}
else {
dlg.setWindowTitle(tr("Insert length"));
init_val.setUnit(Base::Unit::Length);
ui_ins_datum.label->setText(tr("Length:"));
ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
}
//ui_ins_datum.lineEdit->setParamGrpPath("User parameter:History/Sketcher/SetDatum");
if (Constr->Type == Sketcher::Angle ||
((Constr->Type == Sketcher::DistanceX || Constr->Type == Sketcher::DistanceY) &&
Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef))
// hide negative sign
init_val.setValue(std::abs(datum));
else // show negative sign
init_val.setValue(datum);
ui_ins_datum.labelEdit->setValue(init_val);
ui_ins_datum.labelEdit->selectNumber();
if (atCursor)
dlg.setGeometry(QCursor::pos().x() - dlg.geometry().width() / 2, QCursor::pos().y(), dlg.geometry().width(), dlg.geometry().height());
if (dlg.exec()) {
Base::Quantity newQuant = ui_ins_datum.labelEdit->getQuantity();
if (newQuant.isQuantity()) {
// save the value for the history
ui_ins_datum.labelEdit->pushToHistory();
double newDatum = newQuant.getValue();
if (Constr->Type == Sketcher::Angle ||
((Constr->Type == Sketcher::DistanceX || Constr->Type == Sketcher::DistanceY) &&
Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef)) {
// Permit negative values to flip the sign of the constraint
if (newDatum >= 0) // keep the old sign
newDatum = ((datum >= 0) ? 1 : -1) * std::abs(newDatum);
else // flip sign
newDatum = ((datum >= 0) ? -1 : 1) * std::abs(newDatum);
}
try {
Gui::Command::openCommand("Modify sketch constraints");
Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.setDatum(%i,App.Units.Quantity('%f %s'))",
sketch->getNameInDocument(),
ConstrNbr, newDatum, (const char*)newQuant.getUnit().getString().toUtf8());
Gui::Command::commitCommand();
Gui::Command::updateActive();
}
catch (const Base::Exception& e) {
QMessageBox::critical(qApp->activeWindow(), QObject::tr("Dimensional constraint"), QString::fromUtf8(e.what()));
Gui::Command::abortCommand();
}
}
}
}
}