LcdWidget.h

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/*
 * LcdWidget.h - a widget for displaying numbers in LCD style
 *
 * Copyright (c) 2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_LCD_WIDGET_H
#define LMMS_GUI_LCD_WIDGET_H
 
#include <QMap>
#include <QWidget>
 
#include "lmms_export.h"
 
namespace lmms::gui
{
 
class LMMS_EXPORT LcdWidget : public QWidget
{
        Q_OBJECT
        
        // theming qproperties
        Q_PROPERTY( QColor textColor READ textColor WRITE setTextColor )
        Q_PROPERTY( QColor textShadowColor READ textShadowColor WRITE setTextShadowColor )
        
public:
        explicit LcdWidget(QWidget* parent, const QString& name = QString(), bool leadingZero = false);
        LcdWidget(int numDigits, QWidget* parent, const QString& name = QString(), bool leadingZero = false);
        LcdWidget(int numDigits, const QString& style, QWidget* parent, const QString& name = QString(),
                bool leadingZero = false);
 
        void setValue(int value);
        void setValue(float value);
        void setLabel(const QString& label);
 
        void addTextForValue( int value, const QString& text )
        {
                m_textForValue[value] = text;
                update();
        }
 
        Q_PROPERTY( int numDigits READ numDigits WRITE setNumDigits )
 
        inline int numDigits() const { return m_numDigits; }
        inline void setNumDigits( int n ) { m_numDigits = n; updateSize(); }
        
        QColor textColor() const;
        void setTextColor( const QColor & c );
        
        QColor textShadowColor() const;
        void setTextShadowColor( const QColor & c );
 
        int cellHeight() const { return m_cellHeight; }
 
        void setSeamless(bool left, bool right)
        {
                m_seamlessLeft = left;
                m_seamlessRight = right;
                updateSize();
        }
 
public slots:
        virtual void setMarginWidth( int width );
 
 
protected:
        void paintEvent( QPaintEvent * pe ) override;
 
        virtual void updateSize();
 
 
private:
 
        static const int charsPerPixmap = 12;
 
        QMap<int, QString> m_textForValue;
 
        QString m_display;
 
        QString m_label;
        QPixmap m_lcdPixmap;
 
        QColor m_textColor;
        QColor m_textShadowColor;
 
        int m_cellWidth;
        int m_cellHeight;
        int m_numDigits;
        int m_marginWidth;
        bool m_seamlessLeft;
        bool m_seamlessRight;
        bool m_leadingZero;
 
        void initUi( const QString& name, const QString &style ); 
 
};
 
} // namespace lmms::gui
 
#endif // LMMS_GUI_LCD_WIDGET_H