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+<!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/qwerty/qwerty.doc:4 -->
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Simple editor that can load encodings</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>Simple editor that can load encodings</h1>
+
+
+<p>
+<hr>
+<p> Header file:
+<p> <pre>/****************************************************************************
+** $Id: qt/qwerty.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 Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef QWERTY_H
+#define QWERTY_H
+
+#include &lt;<a href="qwidget-h.html">qwidget.h</a>&gt;
+#include &lt;<a href="qmenubar-h.html">qmenubar.h</a>&gt;
+#include &lt;<a href="qmultilineedit-h.html">qmultilineedit.h</a>&gt;
+#include &lt;<a href="qprinter-h.html">qprinter.h</a>&gt;
+
+class Editor : public <a href="qwidget.html">QWidget</a>
+{
+ <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
+public:
+ Editor( <a href="qwidget.html">QWidget</a> *parent=0, const char *name="qwerty" );
+ ~Editor();
+
+ void load( const <a href="qstring.html">QString</a>&amp; fileName, int code=-1 );
+
+public slots:
+ void newDoc();
+ void load();
+ bool save();
+ void print();
+ void addEncoding();
+ void toUpper();
+ void toLower();
+ void font();
+protected:
+ void resizeEvent( <a href="qresizeevent.html">QResizeEvent</a> * );
+ void closeEvent( <a href="qcloseevent.html">QCloseEvent</a> * );
+
+private slots:
+ void saveAsEncoding( int );
+ void openAsEncoding( int );
+ void textChanged();
+
+private:
+ bool saveAs( const <a href="qstring.html">QString</a>&amp; fileName, int code=-1 );
+ void rebuildCodecList();
+ <a href="qmenubar.html">QMenuBar</a> *m;
+ <a href="qmultilineedit.html">QMultiLineEdit</a> *e;
+#ifndef QT_NO_PRINTER
+ <a href="qprinter.html">QPrinter</a> printer;
+#endif
+ <a href="qpopupmenu.html">QPopupMenu</a> *save_as;
+ <a href="qpopupmenu.html">QPopupMenu</a> *open_as;
+ bool changed;
+};
+
+#endif // QWERTY_H
+</pre>
+
+<p> <hr>
+<p> Implementation:
+<p> <pre>/****************************************************************************
+** $Id: qt/qwerty.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 Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "qwerty.h"
+#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
+#include &lt;<a href="qfile-h.html">qfile.h</a>&gt;
+#include &lt;<a href="qfiledialog-h.html">qfiledialog.h</a>&gt;
+#include &lt;<a href="qpopupmenu-h.html">qpopupmenu.h</a>&gt;
+#include &lt;<a href="qtextstream-h.html">qtextstream.h</a>&gt;
+#include &lt;<a href="qpainter-h.html">qpainter.h</a>&gt;
+#include &lt;<a href="qmessagebox-h.html">qmessagebox.h</a>&gt;
+#include &lt;<a href="qpaintdevicemetrics-h.html">qpaintdevicemetrics.h</a>&gt;
+#include &lt;<a href="qptrlist-h.html">qptrlist.h</a>&gt;
+#include &lt;<a href="qfontdialog-h.html">qfontdialog.h</a>&gt;
+
+#include &lt;<a href="qtextcodec-h.html">qtextcodec.h</a>&gt;
+
+const bool no_writing = FALSE;
+
+static QPtrList&lt;QTextCodec&gt; *codecList = 0;
+
+enum { Uni = 0, MBug = 1, Lat1 = 2, Local = 3, Guess = 4, Codec = 5 };
+
+
+<a name="f235"></a>Editor::Editor( <a href="qwidget.html">QWidget</a> * parent , const char * name )
+ : <a href="qwidget.html">QWidget</a>( parent, name, WDestructiveClose )
+{
+ m = new <a href="qmenubar.html">QMenuBar</a>( this, "menu" );
+
+ <a href="qpopupmenu.html">QPopupMenu</a> * file = new <a href="qpopupmenu.html">QPopupMenu</a>();
+ <a href="qapplication.html#Q_CHECK_PTR">Q_CHECK_PTR</a>( file );
+<a name="x371"></a> m-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;File", file );
+
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;New", this, SLOT(newDoc()), ALT+Key_N );
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Open...", this, SLOT(load()), ALT+Key_O );
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Save...", this, SLOT(save()), ALT+Key_S );
+<a name="x372"></a> file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
+ open_as = new <a href="qpopupmenu.html">QPopupMenu</a>();
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Open &amp;As", open_as );
+ save_as = new <a href="qpopupmenu.html">QPopupMenu</a>();
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Sa&amp;ve As", save_as );
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Add &amp;Encoding", this, SLOT(addEncoding()) );
+#ifndef QT_NO_PRINTER
+ file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Print...", this, SLOT(print()), ALT+Key_P );
+#endif
+ file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
+ file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Close", this, SLOT(<a href="qwidget.html#close">close</a>()),ALT+Key_W );
+<a name="x358"></a> file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Quit", qApp, SLOT(<a href="qapplication.html#closeAllWindows">closeAllWindows</a>()), ALT+Key_Q );
+
+<a name="x386"></a> <a href="qobject.html#connect">connect</a>( save_as, SIGNAL(<a href="qpopupmenu.html#activated">activated</a>(int)), this, SLOT(saveAsEncoding(int)) );
+ <a href="qobject.html#connect">connect</a>( open_as, SIGNAL(<a href="qpopupmenu.html#activated">activated</a>(int)), this, SLOT(openAsEncoding(int)) );
+ rebuildCodecList();
+
+ <a href="qpopupmenu.html">QPopupMenu</a> * edit = new <a href="qpopupmenu.html">QPopupMenu</a>();
+ <a href="qapplication.html#Q_CHECK_PTR">Q_CHECK_PTR</a>( edit );
+ m-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Edit", edit );
+
+ edit-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "To &amp;Uppercase", this, SLOT(toUpper()), ALT+Key_U );
+ edit-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "To &amp;Lowercase", this, SLOT(toLower()), ALT+Key_L );
+#ifndef QT_NO_FONTDIALOG
+ edit-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
+ edit-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Select Font" , this, SLOT(<a href="qwidget.html#font">font</a>()), ALT+Key_T );
+#endif
+ changed = FALSE;
+ e = new <a href="qmultilineedit.html">QMultiLineEdit</a>( this, "editor" );
+<a name="x400"></a> <a href="qobject.html#connect">connect</a>( e, SIGNAL( <a href="qtextedit.html#textChanged">textChanged</a>() ), this, SLOT( textChanged() ) );
+
+ // We use Unifont - if you have it installed you'll see all
+ // Unicode character glyphs.
+ //
+ // Unifont only comes in one pixel size, so we cannot let
+ // it change pixel size as the display DPI changes.
+ //
+<a name="x367"></a> <a href="qfont.html">QFont</a> unifont("unifont",16,50); unifont.<a href="qfont.html#setPixelSize">setPixelSize</a>(16);
+<a name="x397"></a> e-&gt;<a href="qwidget.html#setFont">setFont</a>( unifont );
+
+ e-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
+}
+
+Editor::~Editor()
+{
+}
+
+<a name="x405"></a>void Editor::<a href="qwidget.html#font">font</a>()
+{
+#ifndef QT_NO_FONTDIALOG
+ bool ok;
+<a name="x396"></a><a name="x368"></a> <a href="qfont.html">QFont</a> f = QFontDialog::<a href="qfontdialog.html#getFont">getFont</a>( &amp;ok, e-&gt;<a href="qtextedit.html#font">font</a>() );
+ if ( ok ) {
+ e-&gt;<a href="qwidget.html#setFont">setFont</a>( f );
+ }
+#endif
+}
+
+
+
+void <a name="f236"></a>Editor::rebuildCodecList()
+{
+ delete codecList;
+ codecList = new <a href="qptrlist.html">QPtrList</a>&lt;QTextCodec&gt;;
+ <a href="qtextcodec.html">QTextCodec</a> *codec;
+ int i;
+<a name="x392"></a> for (i = 0; (codec = QTextCodec::<a href="qtextcodec.html#codecForIndex">codecForIndex</a>(i)); i++)
+<a name="x387"></a> codecList-&gt;<a href="qptrlist.html#append">append</a>( codec );
+<a name="x389"></a> int n = codecList-&gt;<a href="qptrlist.html#count">count</a>();
+ for (int pm=0; pm&lt;2; pm++) {
+ <a href="qpopupmenu.html">QPopupMenu</a>* menu = pm ? open_as : save_as;
+<a name="x370"></a> menu-&gt;<a href="qmenudata.html#clear">clear</a>();
+ <a href="qstring.html">QString</a> local = "Local (";
+<a name="x393"></a> local += QTextCodec::<a href="qtextcodec.html#codecForLocale">codecForLocale</a>()-&gt;name();
+ local += ")";
+ menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( local, Local );
+ menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Unicode", Uni );
+ menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Latin1", Lat1 );
+ menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Microsoft Unicode", MBug );
+ if ( pm )
+ menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "[guess]", Guess );
+ for ( i = 0; i &lt; n; i++ )
+<a name="x388"></a> menu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( codecList-&gt;<a href="qptrlist.html#at">at</a>(i)-&gt;name(), Codec + i );
+ }
+}
+
+void <a name="f237"></a>Editor::newDoc()
+{
+ Editor *ed = new Editor;
+ if ( qApp-&gt;<a href="qapplication.html#desktop">desktop</a>()-&gt;size().width() &lt; 450
+ || qApp-&gt;<a href="qapplication.html#desktop">desktop</a>()-&gt;size().height() &lt; 450 ) {
+<a name="x413"></a> ed-&gt;<a href="qwidget.html#showMaximized">showMaximized</a>();
+ } else {
+ ed-&gt;<a href="qwidget.html#resize">resize</a>( 400, 400 );
+ ed-&gt;<a href="qwidget.html#show">show</a>();
+ }
+}
+
+
+void <a name="f238"></a>Editor::load()
+{
+#ifndef QT_NO_FILEDIALOG
+<a name="x365"></a> <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>( <a href="qstring.html#QString-null">QString::null</a>, QString::null, this );
+<a name="x390"></a> if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() )
+ load( fn, -1 );
+#endif
+}
+
+void Editor::load( const <a href="qstring.html">QString</a>&amp; fileName, int code )
+{
+ <a href="qfile.html">QFile</a> f( fileName );
+<a name="x363"></a> if ( !f.<a href="qfile.html#open">open</a>( <a href="qfile.html#open">IO_ReadOnly</a> ) )
+ return;
+
+<a name="x376"></a> e-&gt;<a href="qmultilineedit.html#setAutoUpdate">setAutoUpdate</a>( FALSE );
+
+ <a href="qtextstream.html">QTextStream</a> t(&amp;f);
+ if ( code &gt;= Codec )
+<a name="x402"></a> t.<a href="qtextstream.html#setCodec">setCodec</a>( codecList-&gt;<a href="qptrlist.html#at">at</a>(code-Codec) );
+ else if ( code == Uni )
+<a name="x403"></a> t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::Unicode );
+ else if ( code == MBug )
+ t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::UnicodeReverse );
+ else if ( code == Lat1 )
+ t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::Latin1 );
+ else if ( code == Guess ) {
+ <a href="qfile.html">QFile</a> f(fileName);
+ f.<a href="qfile.html#open">open</a>(IO_ReadOnly);
+ char buffer[256];
+ int l = 256;
+<a name="x364"></a> l=f.<a href="qiodevice.html#readBlock">readBlock</a>(buffer,l);
+<a name="x391"></a> <a href="qtextcodec.html">QTextCodec</a>* codec = QTextCodec::<a href="qtextcodec.html#codecForContent">codecForContent</a>(buffer, l);
+ if ( codec ) {
+<a name="x395"></a><a name="x373"></a> QMessageBox::<a href="qmessagebox.html#information">information</a>(this,"Encoding",QString("Codec: ")+codec-&gt;<a href="qtextcodec.html#name">name</a>());
+ t.<a href="qtextstream.html#setCodec">setCodec</a>( codec );
+ }
+ }
+<a name="x401"></a><a name="x398"></a> e-&gt;<a href="qtextedit.html#setText">setText</a>( t.<a href="qtextstream.html#read">read</a>() );
+<a name="x362"></a> f.<a href="qfile.html#close">close</a>();
+
+ e-&gt;<a href="qmultilineedit.html#setAutoUpdate">setAutoUpdate</a>( TRUE );
+<a name="x407"></a> e-&gt;<a href="qwidget.html#repaint">repaint</a>();
+ <a href="qwidget.html#setCaption">setCaption</a>( fileName );
+
+ changed = FALSE;
+}
+
+void <a name="f239"></a>Editor::openAsEncoding( int code )
+{
+#ifndef QT_NO_FILEDIALOG
+ //storing filename (proper save) is left as an exercise...
+ <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>( QString::null, QString::null, this );
+ if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() )
+ (void) load( fn, code );
+#endif
+}
+
+bool <a name="f240"></a>Editor::save()
+{
+#ifndef QT_NO_FILEDIALOG
+ //storing filename (proper save) is left as an exercise...
+<a name="x366"></a> <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getSaveFileName">getSaveFileName</a>( QString::null, QString::null, this );
+ if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() )
+ return saveAs( fn );
+ return FALSE;
+#endif
+}
+
+void <a name="f241"></a>Editor::saveAsEncoding( int code )
+{
+#ifndef QT_NO_FILEDIALOG
+ //storing filename (proper save) is left as an exercise...
+ <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getSaveFileName">getSaveFileName</a>( QString::null, QString::null, this );
+ if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() )
+ (void) saveAs( fn, code );
+#endif
+}
+
+void <a name="f242"></a>Editor::addEncoding()
+{
+#ifndef QT_NO_FILEDIALOG
+ <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>( QString::null, "*.map", this );
+ if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() ) {
+ <a href="qfile.html">QFile</a> f(fn);
+ if (f.<a href="qfile.html#open">open</a>(IO_ReadOnly)) {
+<a name="x394"></a> if (QTextCodec::<a href="qtextcodec.html#loadCharmap">loadCharmap</a>(&amp;f)) {
+ rebuildCodecList();
+ } else {
+<a name="x374"></a> QMessageBox::<a href="qmessagebox.html#warning">warning</a>(0,"Charmap error",
+ "The file did not contain a valid charmap.\n\n"
+ "A charmap file should look like this:\n"
+ " &lt;code_set_name&gt; thename\n"
+ " &lt;escape_char&gt; /\n"
+ " % alias thealias\n"
+ " CHARMAP\n"
+ " &lt;tokenname&gt; /x12 &lt;U3456&gt;\n"
+ " &lt;tokenname&gt; /xAB/x12 &lt;U0023&gt;\n"
+ " ...\n"
+ " END CHARMAP\n"
+ );
+ }
+ }
+ }
+#endif
+}
+
+
+bool <a name="f243"></a>Editor::saveAs( const <a href="qstring.html">QString</a>&amp; fileName, int code )
+{
+ <a href="qfile.html">QFile</a> f( fileName );
+ if ( no_writing || !f.<a href="qfile.html#open">open</a>( <a href="qfile.html#open">IO_WriteOnly</a> ) ) {
+ QMessageBox::<a href="qmessagebox.html#warning">warning</a>(this,"I/O Error",
+ QString("The file could not be opened.\n\n")
+ +fileName);
+ return FALSE;
+ }
+ <a href="qtextstream.html">QTextStream</a> t(&amp;f);
+ if ( code &gt;= Codec )
+ t.<a href="qtextstream.html#setCodec">setCodec</a>( codecList-&gt;<a href="qptrlist.html#at">at</a>(code-Codec) );
+ else if ( code == Uni )
+ t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::Unicode );
+ else if ( code == MBug )
+ t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::UnicodeReverse );
+ else if ( code == Lat1 )
+ t.<a href="qtextstream.html#setEncoding">setEncoding</a>( QTextStream::Latin1 );
+<a name="x399"></a> t &lt;&lt; e-&gt;<a href="qtextedit.html#text">text</a>();
+ f.<a href="qfile.html#close">close</a>();
+ <a href="qwidget.html#setCaption">setCaption</a>( fileName );
+ changed = FALSE;
+ return TRUE;
+}
+
+void <a name="f244"></a>Editor::print()
+{
+#ifndef QT_NO_PRINTER
+ if ( printer.setup(this) ) { // opens printer dialog
+ printer.setFullPage(TRUE); // we'll set our own margins
+ <a href="qpainter.html">QPainter</a> p;
+ p.<a href="qpainter.html#begin">begin</a>( &amp;printer ); // paint on printer
+<a name="x385"></a> p.<a href="qpainter.html#setFont">setFont</a>( e-&gt;<a href="qtextedit.html#font">font</a>() );
+<a name="x384"></a> <a href="qfontmetrics.html">QFontMetrics</a> fm = p.<a href="qpainter.html#fontMetrics">fontMetrics</a>();
+ <a href="qpaintdevicemetrics.html">QPaintDeviceMetrics</a> metrics( &amp;printer ); // need width/height
+ // of printer surface
+<a name="x379"></a> const int MARGIN = metrics.<a href="qpaintdevicemetrics.html#logicalDpiX">logicalDpiX</a>() / 2; // half-inch margin
+ int yPos = MARGIN; // y position for each line
+
+<a name="x375"></a> for( int i = 0 ; i &lt; e-&gt;<a href="qmultilineedit.html#numLines">numLines</a>() ; i++ ) {
+ if ( printer.aborted() )
+ break;
+<a name="x378"></a><a name="x369"></a> if ( yPos + fm.<a href="qfontmetrics.html#lineSpacing">lineSpacing</a>() &gt; metrics.<a href="qpaintdevicemetrics.html#height">height</a>() - MARGIN ) {
+ // no more room on this page
+ if ( !printer.newPage() ) // start new page
+ break; // some error
+ yPos = MARGIN; // back to top of page
+ }
+<a name="x380"></a> p.<a href="qpainter.html#drawText">drawText</a>( MARGIN, yPos, metrics.<a href="qpaintdevicemetrics.html#width">width</a>() - 2*MARGIN,
+<a name="x377"></a> fm.<a href="qfontmetrics.html#lineSpacing">lineSpacing</a>(), ExpandTabs, e-&gt;<a href="qmultilineedit.html#textLine">textLine</a>( i ) );
+ yPos += fm.<a href="qfontmetrics.html#lineSpacing">lineSpacing</a>();
+ }
+ p.<a href="qpainter.html#end">end</a>(); // send job to printer
+ }
+#endif
+}
+
+void Editor::<a href="qwidget.html#resizeEvent">resizeEvent</a>( <a href="qresizeevent.html">QResizeEvent</a> * )
+{
+ if ( e &amp;&amp; m )
+ e-&gt;<a href="qwidget.html#setGeometry">setGeometry</a>( 0, m-&gt;<a href="qwidget.html#height">height</a>(), width(), height() - m-&gt;<a href="qwidget.html#height">height</a>() );
+}
+
+<a name="x404"></a>void Editor::<a href="qwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">QCloseEvent</a> *event )
+{
+<a name="x360"></a> event-&gt;<a href="qcloseevent.html#accept">accept</a>();
+
+ if ( changed ) { // the text has been changed
+ switch ( QMessageBox::<a href="qmessagebox.html#warning">warning</a>( this, "Qwerty",
+ "Save changes to Document?",
+ <a href="qobject.html#tr">tr</a>("&amp;Yes"),
+ <a href="qobject.html#tr">tr</a>("&amp;No"),
+ <a href="qobject.html#tr">tr</a>("Cancel"),
+ 0, 2) ) {
+ case 0: // yes
+ if ( save() )
+ event-&gt;<a href="qcloseevent.html#accept">accept</a>();
+ else
+<a name="x361"></a> event-&gt;<a href="qcloseevent.html#ignore">ignore</a>();
+ break;
+ case 1: // no
+ event-&gt;<a href="qcloseevent.html#accept">accept</a>();
+ break;
+ default: // cancel
+ event-&gt;<a href="qcloseevent.html#ignore">ignore</a>();
+ break;
+ }
+ }
+}
+
+void <a name="f245"></a>Editor::toUpper()
+{
+ e-&gt;<a href="qtextedit.html#setText">setText</a>(e-&gt;<a href="qtextedit.html#text">text</a>().upper());
+}
+
+void <a name="f246"></a>Editor::toLower()
+{
+ e-&gt;<a href="qtextedit.html#setText">setText</a>(e-&gt;<a href="qtextedit.html#text">text</a>().lower());
+}
+
+void <a name="f247"></a>Editor::textChanged()
+{
+ changed = 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 Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
+#include "qwerty.h"
+
+
+int main( int argc, char **argv )
+{
+ <a href="qapplication.html">QApplication</a> a( argc, argv );
+
+
+<a name="x414"></a> bool isSmall = qApp-&gt;<a href="qapplication.html#desktop">desktop</a>()-&gt;size().width() &lt; 450
+ || qApp-&gt;<a href="qapplication.html#desktop">desktop</a>()-&gt;size().height() &lt; 450;
+
+ int i;
+ for ( i= argc &lt;= 1 ? 0 : 1; i&lt;argc; i++ ) {
+ Editor *e = new Editor;
+ e-&gt;<a href="qwidget.html#setCaption">setCaption</a>("Qt Example - QWERTY");
+ if ( i &gt; 0 )
+ e-&gt;load( argv[i] );
+ if ( isSmall ) {
+<a name="x422"></a> e-&gt;<a href="qwidget.html#showMaximized">showMaximized</a>();
+ } else {
+ e-&gt;<a href="qwidget.html#resize">resize</a>( 400, 400 );
+ e-&gt;<a href="qwidget.html#show">show</a>();
+ }
+ }
+<a name="x416"></a> a.<a href="qobject.html#connect">connect</a>( &amp;a, SIGNAL(<a href="qapplication.html#lastWindowClosed">lastWindowClosed</a>()), &amp;a, SLOT(<a href="qapplication.html#quit">quit</a>()) );
+ return a.<a href="qapplication.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>Qt 3.3.8</div>
+</table></div></address></body>
+</html>