<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/tutorial2.doc:8 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>chart/chartform.h Example File</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <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> <pre>#ifndef CHARTFORM_H #define CHARTFORM_H #include "element.h" #include <<a href="qmainwindow-h.html">qmainwindow.h</a>> #include <<a href="qstringlist-h.html">qstringlist.h</a>> class CanvasView; class QAction; class QCanvas; class QFont; class QPrinter; class QString; class ChartForm: public <a href="qmainwindow.html">QMainWindow</a> { Q_OBJECT public: enum { MAX_ELEMENTS = 100 }; enum { MAX_RECENTFILES = 9 }; // Must not exceed 9 enum ChartType { PIE, VERTICAL_BAR, HORIZONTAL_BAR }; enum AddValuesType { NO, YES, AS_PERCENTAGE }; ChartForm( const <a href="qstring.html">QString</a>& filename ); ~ChartForm(); int chartType() { return m_chartType; } void setChanged( bool changed = TRUE ) { m_changed = changed; } void drawElements(); <a href="qpopupmenu.html">QPopupMenu</a> *optionsMenu; // Why public? See canvasview.cpp protected: virtual void closeEvent( <a href="qcloseevent.html">QCloseEvent</a> * ); private slots: void fileNew(); void fileOpen(); void fileOpenRecent( int index ); void fileSave(); void fileSaveAs(); void fileSaveAsPixmap(); void filePrint(); void fileQuit(); void optionsSetData(); void updateChartType( <a href="qaction.html">QAction</a> *action ); void optionsSetFont(); void optionsSetOptions(); void helpHelp(); void helpAbout(); void helpAboutQt(); void saveOptions(); private: void init(); void load( const <a href="qstring.html">QString</a>& filename ); bool okToClear(); void drawPieChart( const double scales[], double total, int count ); void drawVerticalBarChart( const double scales[], double total, int count ); void drawHorizontalBarChart( const double scales[], double total, int count ); <a href="qstring.html">QString</a> valueLabel( const <a href="qstring.html">QString</a>& label, double value, double total ); void updateRecentFiles( const <a href="qstring.html">QString</a>& filename ); void updateRecentFilesMenu(); void setChartType( ChartType chartType ); <a href="qpopupmenu.html">QPopupMenu</a> *fileMenu; <a href="qaction.html">QAction</a> *optionsPieChartAction; <a href="qaction.html">QAction</a> *optionsHorizontalBarChartAction; <a href="qaction.html">QAction</a> *optionsVerticalBarChartAction; <a href="qstring.html">QString</a> m_filename; <a href="qstringlist.html">QStringList</a> m_recentFiles; <a href="qcanvas.html">QCanvas</a> *m_canvas; CanvasView *m_canvasView; bool m_changed; ElementVector m_elements; <a href="qprinter.html">QPrinter</a> *m_printer; ChartType m_chartType; AddValuesType m_addValues; int m_decimalPlaces; <a href="qfont.html">QFont</a> m_font; }; #endif </pre><!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>Qt 3.3.8</div> </table></div></address></body> </html>