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SGI Freeware 2002 November
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SGI Freeware 2002 November - Disc 3.iso
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dist
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fw_qt3.idb
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usr
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freeware
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Qt
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examples
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table
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bigtable
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main.cpp.z
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main.cpp
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2002-04-08
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54 lines
/****************************************************************************
** $Id: qt/main.cpp 3.0.3 edited Oct 12 12:18 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <qapplication.h>
#include <qtable.h>
// Table size
const int numRows = 1000000;
const int numCols = 1000000;
class MyTable : public QTable
{
public:
MyTable( int r, int c ) : QTable( r, c ) {
items.setAutoDelete( TRUE );
widgets.setAutoDelete( TRUE );
setCaption( tr( "This is a big table with 1.000.000x1.000.000 cells..." ) );
setLeftMargin( fontMetrics().width( "W999999W" ) );
}
void resizeData( int ) {}
QTableItem *item( int r, int c ) const { return items.find( indexOf( r, c ) ); }
void setItem( int r, int c, QTableItem *i ) { items.replace( indexOf( r, c ), i ); }
void clearCell( int r, int c ) { items.remove( indexOf( r, c ) ); }
void insertWidget( int r, int c, QWidget *w ) { widgets.replace( indexOf( r, c ), w ); }
QWidget *cellWidget( int r, int c ) const { return widgets.find( indexOf( r, c ) ); }
void clearCellWidget( int r, int c ) { widgets.remove( indexOf( r, c ) ); }
private:
QIntDict<QTableItem> items;
QIntDict<QWidget> widgets;
};
// The program starts here.
int main( int argc, char **argv )
{
QApplication app( argc, argv );
MyTable table( numRows, numCols );
app.setMainWidget( &table );
table.show();
return app.exec();
}