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- /****************************************************************************
- ** $Id: qt/rot13.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 "rot13.h"
-
- #include <qmultilineedit.h>
- #include <qpushbutton.h>
- #include <qapplication.h>
- #include <qlayout.h>
-
- Rot13::Rot13()
- {
- left = new QMultiLineEdit( this, "left" );
- right = new QMultiLineEdit( this, "right" );
- connect( left, SIGNAL(textChanged()), this, SLOT(changeRight()) );
- connect( right, SIGNAL(textChanged()), this, SLOT(changeLeft()) );
-
- QPushButton * quit = new QPushButton( "&Quit", this );
- quit->setFocusPolicy( NoFocus );
- connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
-
- QGridLayout * l = new QGridLayout( this, 2, 2, 5 );
- l->addWidget( left, 0, 0 );
- l->addWidget( right, 0, 1 );
- l->addWidget( quit, 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 );
- }
-
-
- QString Rot13::rot13( const QString & input ) const
- {
- QString r = input;
- int i = r.length();
- while( i-- ) {
- if ( r[i] >= QChar('A') && r[i] <= QChar('M') ||
- r[i] >= QChar('a') && r[i] <= QChar('m') )
- r[i] = (char)((int)QChar(r[i]) + 13);
- else if ( r[i] >= QChar('N') && r[i] <= QChar('Z') ||
- r[i] >= QChar('n') && r[i] <= QChar('z') )
- r[i] = (char)((int)QChar(r[i]) - 13);
- }
- return r;
- }
-
-
- int main( int argc, char ** argv )
- {
- QApplication a( argc, argv );
- Rot13 r;
- r.resize( 400, 400 );
- a.setMainWidget( &r );
- r.setCaption("Qt Example - ROT13");
- r.show();
- return a.exec();
- }
-