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/***************************************************************************
fractionbasewidget.h - base fraction painting
-------------------
begin : 2004/05/30
copyright : (C) 2004 by Sebastian Stein
email : seb.kde@hpfsc.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef FRACTIONBASEWIDGET_H
#define FRACTIONBASEWIDGET_H
/** the space between a ratio and an operation */
#define _MARGIN_X 5
#ifdef DEBUG
#include <kdebug.h>
#endif
#include "ratio.h"
#include <tqwidget.h>
/*! base class for painting fractions
*
* \author Sebastian Stein */
class FractionBaseWidget : public TQWidget
{
Q_OBJECT
public:
/** constructor */
FractionBaseWidget(TQWidget * parent, const char * name);
/** destructor */
~FractionBaseWidget();
/** updates the widget by first getting the settings and then repainting */
void updateAndRepaint();
protected:
/* store the different colors */
TQColor m_colorNumber;
TQColor m_colorLine;
TQColor m_colorOperation;
/* the font to paint with */
TQFont m_font;
/** overrideing the paint event of TQWidget */
virtual void paintEvent(TQPaintEvent*) = 0;
/** paints a ratio at the given position */
void paintRatio(TQPainter & paint, ratio tmp_ratio, int & x_pos, TQFontMetrics & fm, bool show_mixed, bool addMargin = true);
/** paints a string in the vertical middle (aligned to the operation signs) */
void paintMiddle(TQPainter & paint, const TQString& paint_str, int & x_pos, TQFontMetrics & fm, TQColor color, bool addMargin = true);
private:
/** sets the font and color; values taken from settingsclass */
void setColorAndFont();
};
#endif
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