LcdWidget.h

Go to the documentation of this file.

/*
 * 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