C++ QObjectList::next方法代码示例

static void signalHandler( QT_SIGNAL_ARGS )
{
    QFile f( QDir::homeDirPath() + "/.designerargs" );
    f.open( IO_ReadOnly );
    QString args;
    f.readLine( args, f.size() );
    QStringList lst = QStringList::split( " ", args );
    for ( QStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
	QString arg = (*it).stripWhiteSpace();
	if ( arg[0] != '-' ) {
	    QObjectList* l = MainWindow::self->queryList( "FormWindow" );
	    FormWindow* fw = (FormWindow*) l->first();
#if 0 // ### what's this dead code for?
	    FormWindow* totop;
#endif
	    bool haveit = FALSE;
	    while ( fw ) {
		haveit = haveit || fw->fileName() == arg;
#if 0 // ### what's this dead code for?
		if ( haveit )
		    totop = fw;
#endif
		fw = (FormWindow*) l->next();
	    }
	    if ( !haveit )
		MainWindow::self->openFormWindow( arg );
	}
    }
    MainWindow::self->raise();
    MainWindow::self->setActiveWindow();
}

void QDesignerToolBar::installEventFilters( QWidget *w )
{
    if ( !w )
	return;
    QObjectList *l = w->queryList( "QWidget" );
    for ( QObject *o = l->first(); o; o = l->next() )
	o->installEventFilter( this );
    delete l;
}

QStringList Folder::subfolders()
{
QStringList lst = QStringList();
QObjectList* folderLst = (QObjectList*)children();
if (!folderLst)
	return lst;

if (folderLst)
	{
	Folder *f;
	for (f = (Folder*)folderLst->first(); f; f = (Folder*)folderLst->next())
		lst << f->folderName();
	}
return lst;
}

void
DocumentXML::clear()
{
    document_.removeChild(document_.documentElement());
    setModified(true);

    if (children()) {
        QObjectList childList = *children();
        QObject * c = childList.first();
        while (c) {
            delete c;
            c = childList.next();
        }
    }
}

void OutputWindow::setErrorMessages( const QStringList &errors, const QValueList<uint> &lines,
				     bool clear, const QStringList &locations,
				     const QObjectList &locationObjects )
{
    if ( clear )
	errorView->clear();
    QStringList::ConstIterator mit = errors.begin();
    QValueList<uint>::ConstIterator lit = lines.begin();
    QStringList::ConstIterator it = locations.begin();
    QObjectList objects = (QObjectList)locationObjects;
    QObject *o = objects.first();
    QListViewItem *after = 0;
    for ( ; lit != lines.end() && mit != errors.end(); ++lit, ++mit, ++it, o = objects.next() )
	after = new ErrorItem( errorView, after, *mit, *lit, *it, o );
    setCurrentPage( 1 );
}

QString Folder::sizeToString()
{
int size = 0;

QObjectList* folderLst = (QObjectList*)children();
if (folderLst)
	{
	Folder *f;
	for (f = (Folder*)folderLst->first(); f; f = (Folder*)folderLst->next())
		size += sizeof(f);
	}

myWidget *w;
for (w = lstWindows.first(); w ; w = lstWindows.next())
	size += sizeof(w);

return QString::number(8*size/1024.0,'f',1)+" "+tr("kB")+" ("+QString::number(8*size)+" "+tr("bytes")+")";
}

Folder* Folder::findSubfolder(const QString& s, bool caseSensitive, bool partialMatch)
{
QObjectList* folderLst = (QObjectList*)children();
if (folderLst)
	{
	Folder *f;
	for (f = (Folder*)folderLst->first(); f; f = (Folder*)folderLst->next())
		{
		QString name = f->folderName();
		if (partialMatch && name.startsWith(s, caseSensitive))
			return f;
		else if (caseSensitive && name == s)
			return f;
		else 
			{
			QString text = s;
			if (name == text.lower())
				return f;
			}
		}
	}
return 0;
}

void
ParameterDialog::initDialog()
{
  editFelds_.clear();

  QGridLayout * gridLayout = 
    new QGridLayout(frame_, params_.size(), 3, 2, 5, "gridLayout"); 

  // add parameter structs:
  unsigned long i = 0;
  Miro::CFG::ParameterVector::const_iterator first, last = params_.end();
  for (first = params_.begin(); first != last; ++first, ++i) {

    // name
    QLabel * name = new QLabel(frame_);
    QString n = first->name_;
    n[0] = n[0].upper();
    name->setText(n);
    gridLayout->addWidget(name, i, 0);


    // search existing entry

    QDomNode parameterNode;
    if (!node_.isNull()) {
      parameterNode = node_.firstChild();
      while(!parameterNode.isNull()) {
	QDomElement e = parameterNode.toElement();
	if (!e.isNull() &&
	    e.attribute("name") == n)
	  break;
	parameterNode = parameterNode.nextSibling();
      }
    }

    // if there is an existing entry
    // and we know our listview,
    // get the corresponding listview item

    ItemXML * childItem = NULL;
    if (!parameterNode.isNull() &&
	item_ != NULL) {
      if (item_->children()) {
	QObjectList childList = *item_->children();
	QObject * c = childList.first();
	while (c) {
	  childItem =
	    dynamic_cast<ItemXML *>(c);
	  MIRO_ASSERT(childItem != NULL);

	  if (childItem->node().toElement().attribute("name") == n) {
	    break;
	  }

	  childItem = NULL;
	  c = childList.next();
	}
      }
    }

    // create the dialog

    ParameterEdit * value;
    SimpleParameter::Type editType =
      SimpleParameter::typeFromName(first->type_);
    if (editType != SimpleParameter::NONE) {
      value = new SimpleParameterEdit(editType,
				      *first,
				      node_,
				      parameterNode,
				      item_,
				      childItem,
				      frame_,
				      n.latin1());

      // add measure
      QLabel * measure = new QLabel(frame_);
      if (!first->measure_.isEmpty()) {
	measure->setText(first->measure_);
	QToolTip::add(measure, (first->type_ != "angle")? first->type_ : QString("double"));
      }
      else
	measure->setText(first->type_);
      gridLayout->addWidget(measure, i, 2);
    }
    else {
      DeferredParameterEdit::EditType deferredEditType =
	DeferredParameterEdit::editType(first->type_);

      value = new DeferredParameterEdit(deferredEditType,
					*first,
					node_,
					parameterNode,
					item_,
					childItem,
					frame_,
					n.latin1());
    }

    gridLayout->addWidget(value->editWidget(), i, 1);
//.........这里部分代码省略.........

AmarokConfigDialog::AmarokConfigDialog( QWidget *parent, const char* name, KConfigSkeleton *config )
        : KConfigDialog( parent, name, config )
        , m_engineConfig( 0 )
        , m_opt4( 0 )
{
    setWFlags( WDestructiveClose );

    // IMPORTANT Don't simply change the page names, they are used as identifiers in other parts of the app.
            m_opt1 = new Options1( 0, "General" );
            m_opt2 = new Options2( 0, "Appearance" );
            m_opt4 = new Options4( 0, "Playback" );
    Options5 *opt5 = new Options5( 0, "OSD" );
    QVBox    *opt6 = new QVBox;
            m_opt7 = new Options7( 0, "Collection" );
    Options8 *opt8 = new Options8( 0, "Scrobbler" );
    QVBox    *opt9 = new QVBox;

    // Sound System
    opt6->setName( "Engine" );
    opt6->setSpacing( KDialog::spacingHint() );
    QWidget *groupBox, *aboutEngineButton;
    groupBox            = new QGroupBox( 2, Qt::Horizontal, i18n("Sound System"), opt6 );
    m_engineConfigFrame = new QGroupBox( 1, Qt::Horizontal, opt6 );
    m_soundSystem       = new QComboBox( false, groupBox );
    aboutEngineButton   = new QPushButton( i18n("About"), groupBox );

    QToolTip::add( m_soundSystem, i18n("Click to select the sound system to use for playback.") );
    QToolTip::add( aboutEngineButton, i18n("Click to get the plugin information.") );

    /// Populate the engine selection combo box
    KTrader::OfferList offers = PluginManager::query( "[X-KDE-amaroK-plugintype] == 'engine'" );
    KTrader::OfferList::ConstIterator end( offers.end() );
    for( KTrader::OfferList::ConstIterator it = offers.begin(); it != end; ++it ) {
        // Don't list the <no engine> (void engine) entry if it's not currenty active,
        // cause there's no point in choosing this engine (it's a dummy, after all).
        if( (*it)->property( "X-KDE-amaroK-name" ).toString() == "void-engine"
            && AmarokConfig::soundSystem() != "void-engine" ) continue;

        m_soundSystem->insertItem( (*it)->name() );
        // Save name properties in QMap for lookup
        m_pluginName[(*it)->name()] = (*it)->property( "X-KDE-amaroK-name" ).toString();
        m_pluginAmarokName[(*it)->property( "X-KDE-amaroK-name" ).toString()] = (*it)->name();
    }

    // Collection
#if !defined(USE_MYSQL) && !defined(USE_POSTGRESQL)
    m_opt7->databaseBox->hide();
#endif

#ifndef USE_MYSQL
    //FIXME we do this because this widget breaks the Apply button (always enabled).
    //It breaks because it is set to type="password" in the .kcfg file. Setting to
    //type="string" also fixes this bug, but means the password is stored in plain
    //text. This is a temporary fix so that the majority of users get a fixed Apply
    //button.
    delete m_opt7->dbSetupFrame->kcfg_MySqlPassword2;
#endif
    m_opt7->collectionFoldersBox->setColumns( 1 );
    new CollectionSetup( m_opt7->collectionFoldersBox ); //TODO this widget doesn't update the apply/ok buttons

    // Media Devices
    opt9->setName( "Media Devices" );
    opt9->setSpacing( KDialog::spacingHint() );
    QVBox *topbox = new QVBox( opt9 );
    topbox->setSpacing( KDialog::spacingHint() );
    QGroupBox *mediaBox  = new QGroupBox( 2, Qt::Horizontal, i18n("Media Devices"), topbox );
    mediaBox->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
    QVBox *vbox = new QVBox( mediaBox );
    vbox->setSpacing( KDialog::spacingHint() );
    m_deviceManager = new MediumPluginManager( vbox );

    QHBox *hbox = new QHBox( topbox );
    hbox->setSpacing( KDialog::spacingHint() );
    hbox->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
    KPushButton *autodetect = new KPushButton( i18n( "Autodetect Devices" ), hbox );
    autodetect->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
    connect( autodetect, SIGNAL(clicked()), m_deviceManager, SLOT(redetectDevices()) );
    KPushButton *add = new KPushButton( i18n( "Add Device..." ), hbox );
    add->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
    connect( add, SIGNAL(clicked()), m_deviceManager, SLOT(newDevice()) );

    QFrame *frame = new QFrame( topbox );
    frame->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );

    // add pages
    addPage( m_opt1, i18n( "General" ), "misc", i18n( "Configure General Options" ) );
    addPage( m_opt2, i18n( "Appearance" ), "colors", i18n( "Configure amaroK's Appearance" ) );
    addPage( m_opt4, i18n( "Playback" ), "kmix", i18n( "Configure Playback" ) );
    addPage( opt5,   i18n( "OSD" ), "tv", i18n( "Configure On-Screen-Display" ) );
    addPage( opt6,   i18n( "Engine" ), "amarok", i18n( "Configure Engine" ) );
    addPage( m_opt7, i18n( "Collection" ), amaroK::icon( "collection" ), i18n( "Configure Collection" ) );
    addPage( opt8,   i18n( "last.fm" ), "audioscrobbler", i18n( "Configure last.fm Support" ) );
    addPage( opt9,   i18n( "Media Devices" ), amaroK::icon( "device" ), i18n( "Configure Portable Player Support" ) );

    // Show information labels (must be done after insertions)
    QObjectList *list = queryList( "QLabel", "infoPixmap" );
    for( QObject *label = list->first(); label; label = list->next() )
        static_cast<QLabel*>(label)->setPixmap( QMessageBox::standardIcon( QMessageBox::Information ) );
    delete list;

//.........这里部分代码省略.........