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91 lines
2.2 KiB
91 lines
2.2 KiB
14 years ago
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#ifndef CHARTFORM_H
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#define CHARTFORM_H
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#include "element.h"
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#include <qmainwindow.h>
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#include <qstringlist.h>
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class CanvasView;
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class QAction;
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class QCanvas;
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class QFont;
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class QPrinter;
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class QString;
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class ChartForm: public QMainWindow
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{
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Q_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 QString& 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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QPopupMenu *optionsMenu; // Why public? See canvasview.cpp
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protected:
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virtual void closeEvent( QCloseEvent * );
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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( QAction *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 helpAboutQt();
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void saveOptions();
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private:
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void init();
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void load( const QString& 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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QString valueLabel( const QString& label, double value, double total );
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void updateRecentFiles( const QString& filename );
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void updateRecentFilesMenu();
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void setChartType( ChartType chartType );
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QPopupMenu *fileMenu;
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QAction *optionsPieChartAction;
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QAction *optionsHorizontalBarChartAction;
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QAction *optionsVerticalBarChartAction;
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QString m_filename;
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QStringList m_recentFiles;
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QCanvas *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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QPrinter *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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QFont m_font;
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};
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#endif
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