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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/chart-chartform-h.html
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
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+<!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&nbsp;Classes</font></a>
+ | <a href="mainclasses.html">
+<font color="#004faf">Main&nbsp;Classes</font></a>
+ | <a href="annotated.html">
+<font color="#004faf">Annotated</font></a>
+ | <a href="groups.html">
+<font color="#004faf">Grouped&nbsp;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 &lt;<a href="qmainwindow-h.html">qmainwindow.h</a>&gt;
+#include &lt;<a href="qstringlist-h.html">qstringlist.h</a>&gt;
+
+
+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>&amp; 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>&amp; 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>&amp; label, double value, double total );
+ void updateRecentFiles( const <a href="qstring.html">QString</a>&amp; 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 &copy; 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>