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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/i18n/i18n.doc:4 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Internationalization</title>
<style type="text/css"><!--
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<td valign=center>
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<font color="#004faf">Home</font></a>
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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>Internationalization</h1>
<p>
This example shows how to internationalize applications. Start it with
<pre># i18n de</pre><p> to get a german version and with
<pre># i18n en</pre><p> to get the english version.
<p> Refer also to <a href="i18n.html">the internationalization documentation</a>.
<p> <hr>
<p> Header file:
<p> <pre>/****************************************************************************
** $Id: qt/mywidget.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 MYWIDGET_H
#define MYWIDGET_H
#include <<a href="tqmainwindow-h.html">tqmainwindow.h</a>>
#include <<a href="tqstring-h.html">tqstring.h</a>>
class MyWidget : public <a href="tqmainwindow.html">TQMainWindow</a>
{
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
public:
MyWidget( <a href="tqwidget.html">TQWidget</a>* parent=0, const char* name = 0 );
signals:
void closed();
protected:
void closeEvent(TQCloseEvent*);
private:
static void initChoices(TQWidget* parent);
};
#endif
</pre>
<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/mywidget.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 <<a href="qbuttongroup-h.html">ntqbuttongroup.h</a>>
#include <<a href="qradiobutton-h.html">ntqradiobutton.h</a>>
#include <<a href="qlabel-h.html">ntqlabel.h</a>>
#include <<a href="qlistbox-h.html">ntqlistbox.h</a>>
#include <<a href="qcombobox-h.html">ntqcombobox.h</a>>
#include <<a href="qlabel-h.html">ntqlabel.h</a>>
#include <<a href="qhbox-h.html">ntqhbox.h</a>>
#include <<a href="qvbox-h.html">ntqvbox.h</a>>
#include <<a href="qaccel-h.html">ntqaccel.h</a>>
#include <<a href="tqpopupmenu-h.html">tqpopupmenu.h</a>>
#include <<a href="tqmenubar-h.html">tqmenubar.h</a>>
#include <<a href="tqstatusbar-h.html">tqstatusbar.h</a>>
#include <<a href="qapplication-h.html">ntqapplication.h</a>>
#include "mywidget.h"
<a name="f525"></a>MyWidget::MyWidget( <a href="tqwidget.html">TQWidget</a>* parent, const char* name )
: <a href="tqmainwindow.html">TQMainWindow</a>( parent, name )
{
<a href="ntqvbox.html">TQVBox</a>* central = new <a href="ntqvbox.html">TQVBox</a>(this);
<a name="x1923"></a> central-><a href="ntqframe.html#setMargin">setMargin</a>( 5 );
<a name="x1924"></a> central-><a href="ntqhbox.html#setSpacing">setSpacing</a>( 5 );
<a href="tqmainwindow.html#setCentralWidget">setCentralWidget</a>(central);
<a href="tqpopupmenu.html">TQPopupMenu</a>* file = new <a href="tqpopupmenu.html">TQPopupMenu</a>(this);
file-><a href="tqmenudata.html#insertItem">insertItem</a>( <a href="tqobject.html#tr">tr</a>("E&xit"), tqApp, TQ_SLOT(<a href="ntqapplication.html#quit">quit</a>()),
<a name="x1921"></a> TQAccel::<a href="ntqaccel.html#stringToKey">stringToKey</a>(<a href="tqobject.html#tr">tr</a>("Ctrl+Q")) );
<a href="tqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="tqobject.html#tr">tr</a>("&File"), file );
<a href="tqwidget.html#setCaption">setCaption</a>( <a href="tqobject.html#tr">tr</a>( "Internationalization Example" ) );
<a href="tqstring.html">TQString</a> l;
<a href="tqmainwindow.html#statusBar">statusBar</a>()->message( <a href="tqobject.html#tr">tr</a>("Language: English") );
( void )new <a href="ntqlabel.html">TQLabel</a>( <a href="tqobject.html#tr">tr</a>( "The Main Window" ), central );
<a href="ntqbuttongroup.html">TQButtonGroup</a>* gbox = new <a href="ntqbuttongroup.html">TQButtonGroup</a>( 1, TQGroupBox::Horizontal,
<a href="tqobject.html#tr">tr</a>( "View" ), central );
(void)new <a href="ntqradiobutton.html">TQRadioButton</a>( <a href="tqobject.html#tr">tr</a>( "Perspective" ), gbox );
(void)new <a href="ntqradiobutton.html">TQRadioButton</a>( <a href="tqobject.html#tr">tr</a>( "Isometric" ), gbox );
(void)new <a href="ntqradiobutton.html">TQRadioButton</a>( <a href="tqobject.html#tr">tr</a>( "Oblique" ), gbox );
initChoices(central);
}
static const char* choices[] = {
TQT_TRANSLATE_NOOP( "MyWidget", "First" ),
TQT_TRANSLATE_NOOP( "MyWidget", "Second" ),
TQT_TRANSLATE_NOOP( "MyWidget", "Third" ),
0
};
void <a name="f526"></a>MyWidget::initChoices(TQWidget* parent)
{
<a href="ntqlistbox.html">TQListBox</a>* lb = new <a href="ntqlistbox.html">TQListBox</a>( parent );
for ( int i = 0; choices[i]; i++ )
<a name="x1925"></a> lb-><a href="ntqlistbox.html#insertItem">insertItem</a>( <a href="tqobject.html#tr">tr</a>( choices[i] ) );
}
<a name="x1927"></a>void MyWidget::<a href="tqwidget.html#closeEvent">closeEvent</a>(TQCloseEvent* e)
{
TQWidget::<a href="tqwidget.html#closeEvent">closeEvent</a>(e);
emit closed();
}
</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 <<a href="qapplication-h.html">ntqapplication.h</a>>
#include <<a href="qtranslator-h.html">ntqtranslator.h</a>>
#include <<a href="tqfileinfo-h.html">tqfileinfo.h</a>>
#include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>>
#include <<a href="qcheckbox-h.html">ntqcheckbox.h</a>>
#include <<a href="qvbox-h.html">ntqvbox.h</a>>
#include <<a href="qlayout-h.html">ntqlayout.h</a>>
#include <<a href="qbuttongroup-h.html">ntqbuttongroup.h</a>>
#include <<a href="qpushbutton-h.html">ntqpushbutton.h</a>>
#include <<a href="tqsignalmapper-h.html">tqsignalmapper.h</a>>
#include <<a href="tqtextcodec-h.html">tqtextcodec.h</a>>
#include <stdlib.h>
#if defined(Q_OS_UNIX)
#include <unistd.h>
#endif
#include "mywidget.h"
//#define USE_I18N_FONT
class TQVDialog : public <a href="ntqdialog.html">TQDialog</a> {
public:
TQVDialog(TQWidget *parent=0, const char *name=0, bool modal=FALSE,
WFlags f=0) : <a href="ntqdialog.html">TQDialog</a>(parent,name,modal,f)
{
<a href="qvboxlayout.html">TQVBoxLayout</a>* vb = new <a href="qvboxlayout.html">TQVBoxLayout</a>(this,8);
<a name="x1938"></a> vb-><a href="ntqlayout.html#setAutoAdd">setAutoAdd</a>(TRUE);
hb = 0;
sm = new <a href="tqsignalmapper.html">TQSignalMapper</a>(this);
<a name="x1946"></a> connect(sm,TQ_SIGNAL(<a href="tqsignalmapper.html#mapped">mapped</a>(int)),this,TQ_SLOT(done(int)));
}
void addButtons( const <a href="tqstring.html">TQString</a>& cancel=TQString::null,
const <a href="tqstring.html">TQString</a>& ok=TQString::null,
const <a href="tqstring.html">TQString</a>& mid1=TQString::null,
const <a href="tqstring.html">TQString</a>& mid2=TQString::null,
const <a href="tqstring.html">TQString</a>& mid3=TQString::null)
{
<a name="x1948"></a> addButton(ok.<a href="tqstring.html#isNull">isNull</a>() ? TQObject::tr("OK") : ok, 1);
if ( !mid1.<a href="tqstring.html#isNull">isNull</a>() ) addButton(mid1,2);
if ( !mid2.<a href="tqstring.html#isNull">isNull</a>() ) addButton(mid2,3);
if ( !mid3.<a href="tqstring.html#isNull">isNull</a>() ) addButton(mid3,4);
addButton(cancel.<a href="tqstring.html#isNull">isNull</a>() ? TQObject::tr("Cancel") : cancel, 0);
}
void addButton( const <a href="tqstring.html">TQString</a>& text, int result )
{
if ( !hb )
hb = new <a href="ntqhbox.html">TQHBox</a>(this);
<a href="ntqpushbutton.html">TQPushButton</a> *c = new <a href="ntqpushbutton.html">TQPushButton</a>(text, hb);
<a name="x1947"></a> sm-><a href="tqsignalmapper.html#setMapping">setMapping</a>(c,result);
<a name="x1945"></a> connect(c,TQ_SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()),sm,TQ_SLOT(<a href="tqsignalmapper.html#map">map</a>()));
}
private:
<a href="tqsignalmapper.html">TQSignalMapper</a> *sm;
<a href="ntqhbox.html">TQHBox</a> *hb;
};
MyWidget* showLang(TQString lang)
{
static TQTranslator *translator = 0;
<a name="x1934"></a> tqApp-><a href="ntqapplication.html#setPalette">setPalette</a>(TQPalette(TQColor(220-rand()%64,220-rand()%64,220-rand()%64)));
lang = "mywidget_" + lang + ".qm";
<a href="tqfileinfo.html">TQFileInfo</a> fi( lang );
<a name="x1937"></a> if ( !fi.<a href="tqfileinfo.html#exists">exists</a>() ) {
<a name="x1940"></a> TQMessageBox::<a href="ntqmessagebox.html#warning">warning</a>( 0, "File error",
TQString("Cannot find translation for language: "+lang+
"\n(try eg. 'de', 'ko' or 'no')") );
return 0;
}
if ( translator ) {
<a name="x1932"></a> tqApp-><a href="ntqapplication.html#removeTranslator">removeTranslator</a>( translator );
delete translator;
}
translator = new <a href="ntqtranslator.html">TQTranslator</a>( 0 );
<a name="x1950"></a> translator-><a href="ntqtranslator.html#load">load</a>( lang, "." );
<a name="x1930"></a> tqApp-><a href="ntqapplication.html#installTranslator">installTranslator</a>( translator );
MyWidget *m = new MyWidget;
<a name="x1951"></a> m-><a href="tqwidget.html#setCaption">setCaption</a>("TQt Example - <a href="i18n.html#i18n">i18n</a> - " + m-><a href="tqwidget.html#caption">caption</a>() );
return m;
}
int main( int argc, char** argv )
{
<a href="ntqapplication.html">TQApplication</a> app( argc, argv );
const char* qm[]=
{ "ar", "cs", "de", "el", "en", "eo", "fr", "it", "jp", "ko", "no", "ru", "zh", 0 };
#if defined(Q_OS_UNIX)
srand( getpid() << 2 );
#endif
<a href="tqstring.html">TQString</a> lang;
if ( argc == 2 )
lang = argv[1];
if ( argc != 2 || lang == "all" ) {
TQVDialog dlg(0,0,TRUE);
TQCheckBox* qmb[sizeof(qm)/sizeof(qm[0])];
int r;
if ( lang == "all" ) {
r = 2;
} else {
<a href="ntqbuttongroup.html">TQButtonGroup</a> *bg = new <a href="ntqbuttongroup.html">TQButtonGroup</a>(4,TQt::Vertical,"Choose Locales",&dlg);
<a name="x1949"></a> <a href="tqstring.html">TQString</a> loc = TQTextCodec::<a href="tqtextcodec.html#locale">locale</a>();
for ( int i=0; qm[i]; i++ ) {
qmb[i] = new <a href="ntqcheckbox.html">TQCheckBox</a>((const char*)qm[i],bg);
qmb[i]->setChecked( loc == qm[i] );
}
dlg.addButtons("Cancel","OK","All");
<a name="x1936"></a> r = dlg.<a href="ntqdialog.html#exec">exec</a>();
}
if ( r ) {
<a name="x1928"></a> <a href="ntqrect.html">TQRect</a> screen = tqApp-><a href="ntqapplication.html#desktop">desktop</a>()->availableGeometry();
bool tight = screen.<a href="ntqrect.html#width">width</a>() < 1024;
<a name="x1942"></a> int x=screen.<a href="ntqrect.html#left">left</a>()+5;
int y=screen.<a href="ntqrect.html#top">top</a>()+25;
for ( int i=0; qm[i]; i++ ) {
if ( r == 2 || qmb[i]->isChecked() ) {
MyWidget* w = showLang((const char*)qm[i]);
if( w == 0 ) exit( 0 );
TQObject::<a href="tqobject.html#connect">connect</a>(w, TQ_SIGNAL(closed()), tqApp, TQ_SLOT(<a href="ntqapplication.html#quit">quit</a>()));
<a name="x1953"></a> w-><a href="tqwidget.html#setGeometry">setGeometry</a>(x,y,197,356);
w-><a href="tqwidget.html#show">show</a>();
if ( tight ) {
x += 8;
y += 8;
} else {
x += 205;
if ( x > 1000 ) {
x = 5;
y += 384;
}
}
}
}
} else {
exit( 0 );
}
} else {
<a href="tqstring.html">TQString</a> lang = argv[1];
<a href="tqwidget.html">TQWidget</a>* m = showLang(lang);
app.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( m );
m-><a href="tqwidget.html#setCaption">setCaption</a>("TQt Example - i18n");
m-><a href="tqwidget.html#show">show</a>();
}
#ifdef USE_I18N_FONT
memorymanager->savePrerenderedFont(font.handle(),FALSE);
#endif
// While we run "all", kill them all
return app.<a href="ntqapplication.html#exec">exec</a>();
}
</pre>
<p>See also <a href="examples.html">Examples</a>.
<!-- eof -->
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<table width=100% cellspacing=0 border=0><tr>
<td>Copyright © 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>
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