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133 lines
4.3 KiB
133 lines
4.3 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/tutorial2.doc:8 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>chart/chartform.h Example File</title>
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<body>
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<font color="#004faf">Main Classes</font></a>
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<font color="#004faf">Grouped Classes</font></a>
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</td>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>chart/chartform.h Example File</h1>
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<pre>#ifndef CHARTFORM_H
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#define CHARTFORM_H
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#include "element.h"
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#include <<a href="tqmainwindow-h.html">tqmainwindow.h</a>>
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#include <<a href="tqstringlist-h.html">tqstringlist.h</a>>
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class CanvasView;
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class TQAction;
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class TQCanvas;
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class TQFont;
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class TQPrinter;
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class TQString;
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class ChartForm: public <a href="tqmainwindow.html">TQMainWindow</a>
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{
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TQ_OBJECT
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public:
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enum { MAX_ELEMENTS = 100 };
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enum { MAX_RECENTFILES = 9 }; // Must not exceed 9
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enum ChartType { PIE, VERTICAL_BAR, HORIZONTAL_BAR };
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enum AddValuesType { NO, YES, AS_PERCENTAGE };
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ChartForm( const <a href="tqstring.html">TQString</a>& filename );
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~ChartForm();
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int chartType() { return m_chartType; }
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void setChanged( bool changed = TRUE ) { m_changed = changed; }
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void drawElements();
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<a href="tqpopupmenu.html">TQPopupMenu</a> *optionsMenu; // Why public? See canvasview.cpp
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protected:
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virtual void closeEvent( <a href="qcloseevent.html">TQCloseEvent</a> * );
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private slots:
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void fileNew();
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void fileOpen();
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void fileOpenRecent( int index );
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void fileSave();
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void fileSaveAs();
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void fileSaveAsPixmap();
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void filePrint();
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void fileQuit();
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void optionsSetData();
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void updateChartType( <a href="tqaction.html">TQAction</a> *action );
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void optionsSetFont();
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void optionsSetOptions();
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void helpHelp();
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void helpAbout();
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void helpAboutTQt();
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void saveOptions();
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private:
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void init();
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void load( const <a href="tqstring.html">TQString</a>& filename );
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bool okToClear();
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void drawPieChart( const double scales[], double total, int count );
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void drawVerticalBarChart( const double scales[], double total, int count );
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void drawHorizontalBarChart( const double scales[], double total, int count );
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<a href="tqstring.html">TQString</a> valueLabel( const <a href="tqstring.html">TQString</a>& label, double value, double total );
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void updateRecentFiles( const <a href="tqstring.html">TQString</a>& filename );
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void updateRecentFilesMenu();
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void setChartType( ChartType chartType );
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<a href="tqpopupmenu.html">TQPopupMenu</a> *fileMenu;
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<a href="tqaction.html">TQAction</a> *optionsPieChartAction;
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<a href="tqaction.html">TQAction</a> *optionsHorizontalBarChartAction;
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<a href="tqaction.html">TQAction</a> *optionsVerticalBarChartAction;
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<a href="tqstring.html">TQString</a> m_filename;
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<a href="tqstringlist.html">TQStringList</a> m_recentFiles;
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<a href="tqcanvas.html">TQCanvas</a> *m_canvas;
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CanvasView *m_canvasView;
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bool m_changed;
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ElementVector m_elements;
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<a href="tqprinter.html">TQPrinter</a> *m_printer;
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ChartType m_chartType;
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AddValuesType m_addValues;
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int m_decimalPlaces;
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<a href="tqfont.html">TQFont</a> m_font;
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};
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#endif
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</pre><!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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