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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "rot13.h"
#include <qmultilineedit.h>
#include <qpushbutton.h>
#include <qapplication.h>
#include <qlayout.h>
Rot13::Rot13()
{
left = new TQMultiLineEdit( this, "left" );
right = new TQMultiLineEdit( this, "right" );
connect( left, SIGNAL(textChanged()), this, SLOT(changeRight()) );
connect( right, SIGNAL(textChanged()), this, SLOT(changeLeft()) );
TQPushButton * tquit = new TQPushButton( "&Quit", this );
tquit->setFocusPolicy( NoFocus );
connect( tquit, SIGNAL(clicked()), qApp, SLOT(tquit()) );
TQGridLayout * l = new TQGridLayout( this, 2, 2, 5 );
l->addWidget( left, 0, 0 );
l->addWidget( right, 0, 1 );
l->addWidget( tquit, 1, 1, AlignRight );
left->setFocus();
}
void Rot13::changeLeft()
{
left->blockSignals( TRUE );
left->setText( rot13( right->text() ) );
left->blockSignals( FALSE );
}
void Rot13::changeRight()
{
right->blockSignals( TRUE );
right->setText( rot13( left->text() ) );
right->blockSignals( FALSE );
}
TQString Rot13::rot13( const TQString & input ) const
{
TQString r = input;
int i = r.length();
while( i-- ) {
if ( r[i] >= TQChar('A') && r[i] <= TQChar('M') ||
r[i] >= TQChar('a') && r[i] <= TQChar('m') )
r[i] = (char)((int)TQChar(r[i]) + 13);
else if ( r[i] >= TQChar('N') && r[i] <= TQChar('Z') ||
r[i] >= TQChar('n') && r[i] <= TQChar('z') )
r[i] = (char)((int)TQChar(r[i]) - 13);
}
return r;
}
int main( int argc, char ** argv )
{
TQApplication a( argc, argv );
Rot13 r;
r.resize( 400, 400 );
a.setMainWidget( &r );
r.setCaption("TQt Example - ROT13");
r.show();
return a.exec();
}
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