LCDSpinBox.h

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
 
#ifndef LCDSPINBOX_H
#define LCDSPINBOX_H
 
#include <QtGui>
#include <QDoubleSpinBox>
 
#include <core/Object.h>
#include <core/Preferences/Preferences.h>

class LCDSpinBox : public QDoubleSpinBox, public H2Core::Object<LCDSpinBox>
{
    H2_OBJECT(LCDSpinBox)
        Q_OBJECT
 
public:
 
        enum class Type {
                Int,
                Double
        };
 
        enum class Kind {
                Default,
                PatternSizeNumerator,
                PatternSizeDenominator
        };
 
        LCDSpinBox( QWidget *pParent, QSize size = QSize(), Type type = Type::Int, double fMin = 0.0, double fMax = 1.0, bool bModifyOnChange = false, bool bMinusOneAsOff = false );
        ~LCDSpinBox();
 
        void setType( Type type );
        void setKind( Kind kind );
        void setSize( QSize size );
        void setModifyOnChange( bool bModifyOnChange );
        
        virtual QValidator::State validate( QString &text, int &pos ) const override;
        
        bool getIsActive() const;
        void setIsActive( bool bIsActive );
 
        bool getIsHovered() const;
 
public slots:
        void onPreferencesChanged( H2Core::Preferences::Changes changes );
        void setValue( double fValue );
 
private slots:
        void valueChanged( double fNewValue );
 
signals:
        void slashKeyPressed();
        void valueChanged( int );
        
private:
        double nextValueInPatternSizeDenominator( bool bUp, bool bAccelerated );
        void updateStyleSheet();
 
        QSize m_size;
        Type m_type;
        Kind m_kind;
        
        bool m_bEntered;
        bool m_bIsActive;

        bool m_bMinusOneAsOff;

        bool m_bModifyOnChange;
 
        virtual QString textFromValue( double fValue ) const override;
        virtual double valueFromText( const QString& sText ) const override;       
        virtual void paintEvent( QPaintEvent *ev ) override;
#ifdef H2CORE_HAVE_QT6
                virtual void enterEvent( QEnterEvent *ev ) override;
#else
                virtual void enterEvent( QEvent *ev ) override;
#endif
        virtual void leaveEvent( QEvent *ev ) override;
        virtual void wheelEvent( QWheelEvent *ev ) override;
        virtual void keyPressEvent( QKeyEvent *ev ) override;
        virtual void mousePressEvent(QMouseEvent *ev) override;
        virtual void mouseReleaseEvent( QMouseEvent *ev ) override;
        virtual void mouseMoveEvent(QMouseEvent *ev) override;
 
        virtual bool event( QEvent* ev ) override;
};
 
inline void LCDSpinBox::setKind( Kind kind ) {
        m_kind = kind;
}
inline void LCDSpinBox::setModifyOnChange( bool bModifyOnChange ) {
        m_bModifyOnChange = bModifyOnChange;
}
inline bool LCDSpinBox::getIsActive() const {
        return m_bIsActive;
}
inline bool LCDSpinBox::getIsHovered() const {
        return m_bEntered;
}
#endif