File indexing completed on 2024-04-14 03:40:26

 /*
     FractionBaseWidget.cpp  -  base fraction painting
     SPDX-FileCopyrightText: 2004 Sebastian Stein <seb.kde@hpfsc.de>
     SPDX-FileCopyrightText: 2008 Tiago Porangaba <tiago.porangaba@ltia.fc.unesp.br>
     SPDX-FileCopyrightText: 2008 Tadeu Araujo <tadeu.araujo@ltia.fc.unesp.br>
     SPDX-FileCopyrightText: 2008 Danilo Balzaque <danilo.balzaque@ltia.fc.unesp.br>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef FRACTIONBASEWIDGET_H
 #define FRACTIONBASEWIDGET_H
 
 /** the space between a ratio and an operation */
 #define _MARGIN_X 5
 
 #include "Ratio.h"
 
 #include <QPaintEvent>
 #include <QWidget>
 
 /*! base class for painting fractions
  *
  *  \author Sebastian Stein */
 class FractionBaseWidget : public QWidget
 {
     Q_OBJECT
 public:
     /** constructor */
     explicit FractionBaseWidget(QWidget * parent = nullptr);
 
     /** destructor */
     ~FractionBaseWidget() override;
 
     /** updates the widget by first getting the settings and then repainting */
     void updateAndRepaint();
 
 protected:
     QSize minimumSizeHint() const override {
         return QSize(20, 10);
     }
 
     /* store the different colors */
     QColor m_colorNumber;
     QColor m_colorLine;
     QColor m_colorOperation;
 
     /* the font to paint with */
     QFont m_font;
 
     /** overwriting the paint event of QWidget */
     //virtual void paintEvent(QPaintEvent*) = 0;
 
     /** paints a ratio at the given position */
     void paintRatio(QPainter & paint, const Ratio &tmp_ratio, int & x_pos, int & y_pos, QFontMetrics & fm, bool addMargin = true, bool show_mixed = true, bool show_center = false);
 
     /** paints a string in the vertical middle (aligned to the operation signs) */
     void paintMiddle(QPainter & paint, const QString& paint_str, int & x_pos, int & y_pos, QFontMetrics & fm, const QColor &color, bool addMargin = true);
 
 private:
     /** sets the font and color; values taken from settings class */
     void setColorAndFont();
 };
 
 #endif