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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 >
< pre > #ifndef CHARTFORM_H
#define CHARTFORM_H
#include "element.h"
#include < < a href = "tqmainwindow-h.html" > tqmainwindow.h< / a > >
#include < < a href = "tqstringlist-h.html" > tqstringlist.h< / a > >
class CanvasView;
class TQAction;
class TQCanvas;
class TQFont;
class TQPrinter;
class TQString;
class ChartForm: public < a href = "tqmainwindow.html" > TQMainWindow< / a >
{
TQ_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 = "tqstring.html" > TQString< / a > & filename );
~ChartForm();
int chartType() { return m_chartType; }
void setChanged( bool changed = TRUE ) { m_changed = changed; }
void drawElements();
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > *optionsMenu; // Why public? See canvasview.cpp
protected:
virtual void closeEvent( < a href = "tqcloseevent.html" > TQCloseEvent< / 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 = "tqaction.html" > TQAction< / a > *action );
void optionsSetFont();
void optionsSetOptions();
void helpHelp();
void helpAbout();
void helpAboutTQt();
void saveOptions();
private:
void init();
void load( const < a href = "tqstring.html" > TQString< / 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 = "tqstring.html" > TQString< / a > valueLabel( const < a href = "tqstring.html" > TQString< / a > & label, double value, double total );
void updateRecentFiles( const < a href = "tqstring.html" > TQString< / a > & filename );
void updateRecentFilesMenu();
void setChartType( ChartType chartType );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > *fileMenu;
< a href = "tqaction.html" > TQAction< / a > *optionsPieChartAction;
< a href = "tqaction.html" > TQAction< / a > *optionsHorizontalBarChartAction;
< a href = "tqaction.html" > TQAction< / a > *optionsVerticalBarChartAction;
< a href = "tqstring.html" > TQString< / a > m_filename;
< a href = "tqstringlist.html" > TQStringList< / a > m_recentFiles;
< a href = "tqcanvas.html" > TQCanvas< / a > *m_canvas;
CanvasView *m_canvasView;
bool m_changed;
ElementVector m_elements;
< a href = "tqprinter.html" > TQPrinter< / a > *m_printer;
ChartType m_chartType;
AddValuesType m_addValues;
int m_decimalPlaces;
< a href = "tqfont.html" > TQFont< / a > m_font;
};
#endif
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