/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
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 <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <QDoubleValidator>
class StrictDoubleValidator : public QDoubleValidator
{
// - Validates a double (floating-point) being typed in.
// - Checks the characters against the specified bottom/top (min/max) values.
// - The default maximum number of decimal places, 1000, matches
// QDoubleValidator; see
// https://doc.qt.io/qt-6.5/qdoublevalidator.html#decimals-prop
// http://stackoverflow.com/questions/19571033/allow-entry-in-qlineedit-only-within-range-of-qdoublevalidator
// ... but that doesn't work properly (it prohibits valid things on the
// way to success).
Q_OBJECT
public:
StrictDoubleValidator(double bottom, double top, int decimals = 1000,
bool allow_empty = false, QObject* parent = nullptr);
virtual QValidator::State validate(QString& s, int& pos) const override;
protected:
bool m_allow_empty;
};