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multipagewidgetplugin.cpp Example File

 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 ** This file is part of the example classes of the Qt Toolkit.
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 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
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 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 3.0 as published by the Free
 ** Software Foundation and appearing in the file LICENSE.GPL included in
 ** the packaging of this file.  Please review the following information
 ** to ensure GNU General Public Licensing requirements will be met:
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 #include <QtDesigner/QExtensionFactory>
 #include <QtDesigner/QExtensionManager>
 #include <QtDesigner/QDesignerFormEditorInterface>
 #include <QtDesigner/QDesignerFormWindowInterface>
 #include <QtDesigner/QDesignerContainerExtension>
 #include <QtDesigner/QDesignerPropertySheetExtension>

 #include <QIcon>
 #include <QtPlugin>

 #include "multipagewidget.h"
 #include "multipagewidgetplugin.h"
 #include "multipagewidgetextensionfactory.h"

 MultiPageWidgetPlugin::MultiPageWidgetPlugin(QObject *parent)
     initialized = false;

 QString MultiPageWidgetPlugin::name() const
     return QLatin1String("MultiPageWidget");

 QString MultiPageWidgetPlugin::group() const
     return QLatin1String("Display Widgets [Examples]");

 QString MultiPageWidgetPlugin::toolTip() const
     return QString();

 QString MultiPageWidgetPlugin::whatsThis() const
     return QString();

 QString MultiPageWidgetPlugin::includeFile() const
     return QLatin1String("multipagewidget.h");

 QIcon MultiPageWidgetPlugin::icon() const
     return QIcon();

 bool MultiPageWidgetPlugin::isContainer() const
     return true;

 QWidget *MultiPageWidgetPlugin::createWidget(QWidget *parent)
     MultiPageWidget *widget = new MultiPageWidget(parent);
     connect(widget, SIGNAL(currentIndexChanged(int)),
             this, SLOT(currentIndexChanged(int)));
     connect(widget, SIGNAL(pageTitleChanged(const QString &)),
             this, SLOT(pageTitleChanged(const QString &)));
     return widget;

 bool MultiPageWidgetPlugin::isInitialized() const
     return initialized;

 void MultiPageWidgetPlugin::initialize(QDesignerFormEditorInterface *formEditor)
     if (initialized)

     QExtensionManager *manager = formEditor->extensionManager();
     QExtensionFactory *factory = new MultiPageWidgetExtensionFactory(manager);

     Q_ASSERT(manager != 0);
     manager->registerExtensions(factory, Q_TYPEID(QDesignerContainerExtension));

     initialized = true;

 QString MultiPageWidgetPlugin::domXml() const
     return QLatin1String("\
     <widget class=\"MultiPageWidget\" name=\"multipagewidget\">\
         <widget class=\"QWidget\" name=\"page\" />\

 void MultiPageWidgetPlugin::currentIndexChanged(int index)
     MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
     if (widget) {
         QDesignerFormWindowInterface *form = QDesignerFormWindowInterface::findFormWindow(widget);
         if (form)

 void MultiPageWidgetPlugin::pageTitleChanged(const QString &title)
     MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
     if (widget) {
         QWidget *page = widget->widget(widget->currentIndex());
         QDesignerFormWindowInterface *form;
         form = QDesignerFormWindowInterface::findFormWindow(widget);
         if (form) {
             QDesignerFormEditorInterface *editor = form->core();
             QExtensionManager *manager = editor->extensionManager();
             QDesignerPropertySheetExtension *sheet;
             sheet = qt_extension<QDesignerPropertySheetExtension*>(manager, page);
             const int propertyIndex = sheet->indexOf(QLatin1String("windowTitle"));
             sheet->setChanged(propertyIndex, true);

 Q_EXPORT_PLUGIN2(containerextension, MultiPageWidgetPlugin)

Copyright © 2008 Nokia Trademarks
Qt 4.4.3