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<title>Richtext</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Richtext</h1>
<p>
In this example we demonstrate how to display rich text
in a widget. To do this some sayings taken from the famous
Unix "fortune" are displayed nicely formatted.
<p> <hr>
<p> Header file:
<p> <pre>/****************************************************************************
** $Id: qt/richtext.h 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.
**
*****************************************************************************/
#ifndef RICHTEXT_H
#define RICHTEXT_H
#include &lt;<a href="qvbox-h.html">ntqvbox.h</a>&gt;
class TQTextView;
class TQPushButton;
class MyRichText : public <a href="ntqvbox.html">TQVBox</a>
{
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
public:
MyRichText( <a href="ntqwidget.html">TQWidget</a> *parent = 0, const char *name = 0 );
protected:
<a href="ntqtextview.html">TQTextView</a> *view;
<a href="ntqpushbutton.html">TQPushButton</a> *bClose, *bNext, *bPrev;
int num;
protected slots:
void prev();
void next();
};
#endif
</pre>
<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/richtext.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 "richtext.h"
#include &lt;<a href="qhbox-h.html">ntqhbox.h</a>&gt;
#include &lt;<a href="qhbox-h.html">ntqhbox.h</a>&gt;
#include &lt;<a href="qpushbutton-h.html">ntqpushbutton.h</a>&gt;
#include &lt;<a href="qtextview-h.html">ntqtextview.h</a>&gt;
#include &lt;<a href="qbrush-h.html">ntqbrush.h</a>&gt;
#include &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;
static const char* sayings[] = {
"&lt;b&gt;Saying 1:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;Evil is that which one believes of others. It is a sin to believe evil "
"of others, but it is seldom a mistake.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- H.L. Mencken&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 2:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;A well-used door needs no oil on its hinges.&lt;br&gt;"
"A swift-flowing steam does not grow stagnant.&lt;br&gt;"
"Neither sound nor thoughts can travel through a vacuum.&lt;br&gt;"
"Software rots if not used.&lt;br&gt;&lt;br&gt;"
"These are great mysteries.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- Geoffrey James, \"The Tao of Programming\"&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 3:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;Show business is just like high school, except you get paid.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- Martin Mull&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 4:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;&lt;b&gt;The Least Successful Executions&lt;/b&gt;&lt;br&gt;"
"&lt;twocolumn&gt;&lt;p&gt; History has furnished us with two executioners worthy of attention. "
"The first performed in Sydney in Australia. In 1803 three attempts were "
"made to hang a Mr. Joseph Samuels. On the first two of these the rope "
"snapped, while on the third Mr. Samuels just hung there peacefully until he "
"and everyone else got bored. Since he had proved unsusceptible to capital "
"punishment, he was reprieved.&lt;/p&gt;"
"&lt;p&gt; The most important British executioner was Mr. James Berry who "
"tried three times in 1885 to hang Mr. John Lee at Exeter Jail, but on each "
"occasion failed to get the trap door open.&lt;!p&gt;"
"&lt;p&gt; In recognition of this achievement, the Home Secretary commuted "
"Lee's sentence to \"life\" imprisonment. He was released in 1917, emigrated "
"to America and lived until 1933.&lt;/p&gt;&lt;/twocolumn&gt;&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- Stephen Pile, \"The Book of Heroic Failures\"&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 5:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;If you can, help others. If you can't, at least don't hurt others.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- the Dalai Lama&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 6:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;Television has brought back murder into the home -- where it belongs.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- Alfred Hitchcock&lt;/i&gt;&lt;/center&gt;",
"&lt;b&gt;Saying 7:&lt;/b&gt;&lt;br&gt;"
"&lt;hr&gt;&lt;br&gt;&lt;br&gt;"
"&lt;big&gt;I don't know who my grandfather was; I am much more concerned to know "
"what his grandson will be.&lt;/big&gt;&lt;br&gt;&lt;br&gt;"
"&lt;center&gt;&lt;i&gt;-- Abraham Lincoln&lt;/i&gt;&lt;/center&gt;",
0
};
<a name="f255"></a>MyRichText::MyRichText( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name )
: <a href="ntqvbox.html">TQVBox</a>( parent, name )
{
<a href="ntqframe.html#setMargin">setMargin</a>( 5 );
view = new <a href="ntqtextview.html">TQTextView</a>( this );
<a name="x465"></a> view-&gt;<a href="ntqtextedit.html#setText">setText</a>( "This is a &lt;b&gt;Test&lt;/b&gt; with &lt;i&gt;italic&lt;/i&gt; &lt;u&gt;stuff&lt;/u&gt;" );
<a href="ntqbrush.html">TQBrush</a> paper;
<a name="x461"></a> paper.<a href="ntqbrush.html#setPixmap">setPixmap</a>( TQPixmap( "../richtext/marble.png" ) );
<a name="x460"></a> if ( paper.<a href="ntqbrush.html#pixmap">pixmap</a>() != 0 )
<a name="x464"></a> view-&gt;<a href="ntqtextedit.html#setPaper">setPaper</a>( paper );
else
view-&gt;<a href="ntqtextedit.html#setPaper">setPaper</a>( white );
view-&gt;<a href="ntqtextedit.html#setText">setText</a>( sayings[0] );
<a name="x467"></a> view-&gt;<a href="ntqwidget.html#setMinimumSize">setMinimumSize</a>( 450, 250 );
<a href="ntqhbox.html">TQHBox</a> *buttons = new <a href="ntqhbox.html">TQHBox</a>( this );
buttons-&gt;<a href="ntqframe.html#setMargin">setMargin</a>( 5 );
bClose = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Close", buttons );
bPrev = new <a href="ntqpushbutton.html">TQPushButton</a>( "&lt;&lt; &amp;Prev", buttons );
bNext = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Next &gt;&gt;", buttons );
<a name="x466"></a> bPrev-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE );
<a name="x462"></a> <a href="ntqobject.html#connect">connect</a>( bClose, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), tqApp, SLOT( <a href="ntqapplication.html#quit">quit</a>() ) );
<a href="ntqobject.html#connect">connect</a>( bPrev, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( prev() ) );
<a href="ntqobject.html#connect">connect</a>( bNext, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( next() ) );
num = 0;
}
void <a name="f256"></a>MyRichText::prev()
{
if ( num &lt;= 0 )
return;
num--;
view-&gt;<a href="ntqtextedit.html#setText">setText</a>( sayings[num] );
if ( num == 0 )
bPrev-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE );
bNext-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( TRUE );
}
void <a name="f257"></a>MyRichText::next()
{
if ( !sayings[++num] )
return;
view-&gt;<a href="ntqtextedit.html#setText">setText</a>( sayings[num] );
if ( !sayings[num + 1] )
bNext-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE );
bPrev-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( TRUE );
}
</pre>
<p> <hr>
<p> Main:
<p> <pre>/****************************************************************************
** $Id: qt/main.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 "richtext.h"
#include &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;
int main( int argc, char **argv )
{
<a href="ntqapplication.html">TQApplication</a> a( argc, argv );
MyRichText richtext;
richtext.<a href="ntqwidget.html#resize">resize</a>( 450, 350 );
richtext.<a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Richtext" );
a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &amp;richtext );
richtext.<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>.
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