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qt3/examples/i18n/main.cpp

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/****************************************************************************
**
** 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 <qapplication.h>
#include <qtranslator.h>
#include <qfileinfo.h>
#include <qmessagebox.h>
#include <qcheckbox.h>
#include <qvbox.h>
#include <qlayout.h>
#include <qbuttongroup.h>
#include <qpushbutton.h>
#include <qsignalmapper.h>
#include <qtextcodec.h>
#include <stdlib.h>
#if defined(Q_OS_UNIX)
#include <unistd.h>
#endif
#include "mywidget.h"
//#define USE_I18N_FONT
class QVDialog : public QDialog {
public:
QVDialog(QWidget *parent=0, const char *name=0, bool modal=FALSE,
WFlags f=0) : QDialog(parent,name,modal,f)
{
QVBoxLayout* vb = new QVBoxLayout(this,8);
vb->setAutoAdd(TRUE);
hb = 0;
sm = new QSignalMapper(this);
connect(sm,SIGNAL(mapped(int)),this,SLOT(done(int)));
}
void addButtons( const QString& cancel=QString::null,
const QString& ok=QString::null,
const QString& mid1=QString::null,
const QString& mid2=QString::null,
const QString& mid3=QString::null)
{
addButton(ok.isNull() ? QObject::tr("OK") : ok, 1);
if ( !mid1.isNull() ) addButton(mid1,2);
if ( !mid2.isNull() ) addButton(mid2,3);
if ( !mid3.isNull() ) addButton(mid3,4);
addButton(cancel.isNull() ? QObject::tr("Cancel") : cancel, 0);
}
void addButton( const QString& text, int result )
{
if ( !hb )
hb = new QHBox(this);
QPushButton *c = new QPushButton(text, hb);
sm->setMapping(c,result);
connect(c,SIGNAL(clicked()),sm,SLOT(map()));
}
private:
QSignalMapper *sm;
QHBox *hb;
};
MyWidget* showLang(QString lang)
{
static QTranslator *translator = 0;
qApp->setPalette(QPalette(QColor(220-rand()%64,220-rand()%64,220-rand()%64)));
lang = "mywidget_" + lang + ".qm";
QFileInfo fi( lang );
if ( !fi.exists() ) {
QMessageBox::warning( 0, "File error",
QString("Cannot find translation for language: "+lang+
"\n(try eg. 'de', 'ko' or 'no')") );
return 0;
}
if ( translator ) {
qApp->removeTranslator( translator );
delete translator;
}
translator = new QTranslator( 0 );
translator->load( lang, "." );
qApp->installTranslator( translator );
MyWidget *m = new MyWidget;
m->setCaption("Qt Example - i18n - " + m->caption() );
return m;
}
int main( int argc, char** argv )
{
QApplication 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
QString lang;
if ( argc == 2 )
lang = argv[1];
if ( argc != 2 || lang == "all" ) {
QVDialog dlg(0,0,TRUE);
QCheckBox* qmb[sizeof(qm)/sizeof(qm[0])];
int r;
if ( lang == "all" ) {
r = 2;
} else {
QButtonGroup *bg = new QButtonGroup(4,Qt::Vertical,"Choose Locales",&dlg);
QString loc = QTextCodec::locale();
for ( int i=0; qm[i]; i++ ) {
qmb[i] = new QCheckBox((const char*)qm[i],bg);
qmb[i]->setChecked( loc == qm[i] );
}
dlg.addButtons("Cancel","OK","All");
r = dlg.exec();
}
if ( r ) {
QRect screen = qApp->desktop()->availableGeometry();
bool tight = screen.width() < 1024;
int x=screen.left()+5;
int y=screen.top()+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 );
QObject::connect(w, SIGNAL(closed()), qApp, SLOT(quit()));
w->setGeometry(x,y,197,356);
w->show();
if ( tight ) {
x += 8;
y += 8;
} else {
x += 205;
if ( x > 1000 ) {
x = 5;
y += 384;
}
}
}
}
} else {
exit( 0 );
}
} else {
QString lang = argv[1];
QWidget* m = showLang(lang);
app.setMainWidget( m );
m->setCaption("Qt Example - i18n");
m->show();
}
#ifdef USE_I18N_FONT
memorymanager->savePrerenderedFont(font.handle(),FALSE);
#endif
// While we run "all", kill them all
return app.exec();
}