Copyright (C) 2012-2020 Rudolf Cardinal (firstname.lastname@example.org).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <http://www.gnu.org/licenses/>.
// Validator for int numbers. Checks against the range [bottom, top].
class StrictIntValidator : public QIntValidator
// Validates an integer being typed in.
// Checks the characters against the specified bottom/top (min/max) values.
StrictIntValidator(int bottom, int top, bool allow_empty = false,
QObject* parent = nullptr);
virtual QValidator::State validate(QString& s, int& pos) const override;
// What about validating a qulonglong = quint64 (unsigned 64-bit int), etc.?
// Normally we would use C++ templates, but you can't mix that with Q_OBJECT.
// So we have to faff a great deal to make StrictUInt64Validator (q.v.).