You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tqt3/doc/html/rot-example.html

173 lines
6.6 KiB

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/rot13/rot13.doc:4 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Rot13</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Rot13</h1>
<p>
This example lets you enter a text into a mulitilineedit widget.
It will be displayed in the edit widget to the right transformed using
the rot13 algorithm.
<p> <hr>
<p> Header file:
<p> <pre>/****************************************************************************
** $Id: qt/rot13.h 3.3.8 edited Jan 11 14:46 $
**
** Definition of something or other
**
** Created : 979899
**
** Copyright (C) 1997-2007 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.
**
*****************************************************************************/
#ifndef ROT13_H
#define ROT13_H
#include &lt;<a href="qwidget-h.html">ntqwidget.h</a>&gt;
class TQMultiLineEdit;
class Rot13: public <a href="ntqwidget.html">TQWidget</a> {
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
public:
Rot13();
<a href="ntqstring.html">TQString</a> rot13( const <a href="ntqstring.html">TQString</a> &amp; ) const;
private slots:
void changeLeft();
void changeRight();
private:
<a href="ntqmultilineedit.html">TQMultiLineEdit</a> * left, * right;
};
#endif
</pre>
<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/rot13.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 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 &lt;<a href="qmultilineedit-h.html">ntqmultilineedit.h</a>&gt;
#include &lt;<a href="qpushbutton-h.html">ntqpushbutton.h</a>&gt;
#include &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;
#include &lt;<a href="qlayout-h.html">ntqlayout.h</a>&gt;
<a name="f432"></a>Rot13::Rot13()
{
left = new <a href="ntqmultilineedit.html">TQMultiLineEdit</a>( this, "left" );
right = new <a href="ntqmultilineedit.html">TQMultiLineEdit</a>( this, "right" );
<a name="x1375"></a> <a href="ntqobject.html#connect">connect</a>( left, SIGNAL(<a href="ntqtextedit.html#textChanged">textChanged</a>()), this, SLOT(changeRight()) );
<a href="ntqobject.html#connect">connect</a>( right, SIGNAL(<a href="ntqtextedit.html#textChanged">textChanged</a>()), this, SLOT(changeLeft()) );
<a href="ntqpushbutton.html">TQPushButton</a> * quit = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Quit", this );
<a name="x1379"></a> quit-&gt;<a href="ntqwidget.html#setFocusPolicy">setFocusPolicy</a>( NoFocus );
<a href="ntqobject.html#connect">connect</a>( quit, SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), qApp, SLOT(<a href="ntqapplication.html#quit">quit</a>()) );
<a href="qgridlayout.html">TQGridLayout</a> * l = new <a href="qgridlayout.html">TQGridLayout</a>( this, 2, 2, 5 );
<a name="x1370"></a> l-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( left, 0, 0 );
l-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( right, 0, 1 );
l-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( quit, 1, 1, AlignRight );
<a name="x1378"></a> left-&gt;<a href="ntqwidget.html#setFocus">setFocus</a>();
}
void <a name="f433"></a>Rot13::changeLeft()
{
<a name="x1371"></a> left-&gt;<a href="ntqobject.html#blockSignals">blockSignals</a>( TRUE );
<a name="x1374"></a><a name="x1373"></a> left-&gt;<a href="ntqtextedit.html#setText">setText</a>( rot13( right-&gt;<a href="ntqtextedit.html#text">text</a>() ) );
left-&gt;<a href="ntqobject.html#blockSignals">blockSignals</a>( FALSE );
}
void <a name="f434"></a>Rot13::changeRight()
{
right-&gt;<a href="ntqobject.html#blockSignals">blockSignals</a>( TRUE );
right-&gt;<a href="ntqtextedit.html#setText">setText</a>( rot13( left-&gt;<a href="ntqtextedit.html#text">text</a>() ) );
right-&gt;<a href="ntqobject.html#blockSignals">blockSignals</a>( FALSE );
}
TQString <a name="f435"></a>Rot13::rot13( const <a href="ntqstring.html">TQString</a> &amp; input ) const
{
<a href="ntqstring.html">TQString</a> r = input;
<a name="x1372"></a> int i = r.<a href="ntqstring.html#length">length</a>();
while( i-- ) {
if ( r[i] &gt;= TQChar('A') &amp;&amp; r[i] &lt;= TQChar('M') ||
r[i] &gt;= TQChar('a') &amp;&amp; r[i] &lt;= TQChar('m') )
r[i] = (char)((int)TQChar(r[i]) + 13);
else if ( r[i] &gt;= TQChar('N') &amp;&amp; r[i] &lt;= TQChar('Z') ||
r[i] &gt;= TQChar('n') &amp;&amp; r[i] &lt;= TQChar('z') )
r[i] = (char)((int)TQChar(r[i]) - 13);
}
return r;
}
int main( int argc, char ** argv )
{
<a href="ntqapplication.html">TQApplication</a> a( argc, argv );
Rot13 r;
r.<a href="ntqwidget.html#resize">resize</a>( 400, 400 );
a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &amp;r );
r.<a href="ntqwidget.html#setCaption">setCaption</a>("TQt Example - ROT13");
r.<a href="ntqwidget.html#show">show</a>();
return a.<a href="ntqapplication.html#exec">exec</a>();
}
</pre>
<p>See also <a href="examples.html">Examples</a>.
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>TQt 3.3.8</div>
</table></div></address></body>
</html>