Add Qt3 development HEAD version

1 files changed, 78 insertions, 0 deletions

diff --git a/examples/rot13/rot13.cpp b/examples/rot13/rot13.cpp
new file mode 100644
index 0000000..1fc8f94
--- /dev/null
+++ b/examples/rot13/rot13.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  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();
+}