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76 lines
2.3 KiB
76 lines
2.3 KiB
/***************************************************************************
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fractionbasewidget.h - base fraction painting
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-------------------
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begin : 2004/05/30
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copyright : (C) 2004 by Sebastian Stein
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email : seb.kde@hpfsc.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef FRACTIONBASEWIDGET_H
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#define FRACTIONBASEWIDGET_H
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/** the space between a ratio and an operation */
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#define _MARGIN_X 5
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#ifdef DEBUG
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#include <kdebug.h>
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#endif
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#include "ratio.h"
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#include <tqwidget.h>
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/*! base class for painting fractions
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*
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* \author Sebastian Stein */
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class FractionBaseWidget : public TQWidget
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{
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Q_OBJECT
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public:
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/** constructor */
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FractionBaseWidget(TQWidget * parent, const char * name);
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/** destructor */
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~FractionBaseWidget();
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/** updates the widget by first getting the settings and then repainting */
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void updateAndRepaint();
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protected:
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/* store the different colors */
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TQColor m_colorNumber;
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TQColor m_colorLine;
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TQColor m_colorOperation;
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/* the font to paint with */
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TQFont m_font;
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/** overrideing the paint event of TQWidget */
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virtual void paintEvent(TQPaintEvent*) = 0;
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/** paints a ratio at the given position */
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void paintRatio(TQPainter & paint, ratio tmp_ratio, int & x_pos, TQFontMetrics & fm, bool show_mixed, bool addMargin = true);
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/** paints a string in the vertical middle (aligned to the operation signs) */
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void paintMiddle(TQPainter & paint, const TQString& paint_str, int & x_pos, TQFontMetrics & fm, TQColor color, bool addMargin = true);
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private:
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/** sets the font and color; values taken from settingsclass */
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void setColorAndFont();
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};
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#endif
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