14.1.467. tablet_qt/questionnairelib/quspinboxdouble.h

/*
    Copyright (C) 2012-2019 Rudolf Cardinal (rudolf@pobox.com).

    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/>.
*/

#pragma once
#include "db/fieldref.h"
#include "questionnairelib/quelement.h"

class QDoubleSpinBox;


class QuSpinBoxDouble : public QuElement
{
    // Offers a text editing box with spinbox controls, for floating-point
    // entry.

    Q_OBJECT
public:
    // Constructor, specifying range and maximum number of decimal places.
    QuSpinBoxDouble(FieldRefPtr fieldref, double minimum, double maximum,
                    int decimals = 2);
protected:

    // Sets the widget state from our fieldref.
    void setFromField();

    virtual QPointer<QWidget> makeWidget(Questionnaire* questionnaire) override;
    virtual FieldRefPtrList fieldrefs() const override;

protected slots:

    // "Numerical value of spinbox has changed."
    void widgetValueChanged(double value);

    // "Textual value of spinbox has changed."
    void widgetValueChangedString(const QString& text);

    // "The field's data has changed."
    void fieldValueChanged(const FieldRef* fieldref,
                           const QObject* originator = nullptr);

protected:
    FieldRefPtr m_fieldref;  // our field
    double m_minimum;  // minimum value
    double m_maximum;  // maximum value
    int m_decimals;  // maximum number of decimal places
    QPointer<QDoubleSpinBox> m_spinbox;  // spinbox widget
};