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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "multipagewidget.h"
++ #include "multipagewidgetplugin.h"
++ #include "multipagewidgetextensionfactory.h"
++
++ #include <QtDesigner/QExtensionFactory>
++ #include <QtDesigner/QExtensionManager>
++ #include <QtDesigner/QDesignerFormEditorInterface>
++ #include <QtDesigner/QDesignerFormWindowInterface>
++ #include <QtDesigner/QDesignerContainerExtension>
++ #include <QtDesigner/QDesignerPropertySheetExtension>
++
++ #include <QIcon>
++ #include <QtPlugin>
++
++ using namespace Qt::StringLiterals;
++
++ //! [0]
++ MultiPageWidgetPlugin::MultiPageWidgetPlugin(QObject *parent)
++ : QObject(parent)
++ {
++ }
++
++ QString MultiPageWidgetPlugin::name() const
++ {
++ return u"MultiPageWidget"_s;
++ }
++
++ QString MultiPageWidgetPlugin::group() const
++ {
++ return u"Display Widgets [Examples]"_s;
++ }
++
++ QString MultiPageWidgetPlugin::toolTip() const
++ {
++ return {};
++ }
++
++ QString MultiPageWidgetPlugin::whatsThis() const
++ {
++ return {};
++ }
++
++ QString MultiPageWidgetPlugin::includeFile() const
++ {
++ return u"multipagewidget.h"_s;
++ }
++
++ QIcon MultiPageWidgetPlugin::icon() const
++ {
++ return {};
++ }
++
++ //! [0] //! [1]
++ bool MultiPageWidgetPlugin::isContainer() const
++ {
++ return true;
++ }
++
++ //! [1] //! [2]
++ QWidget *MultiPageWidgetPlugin::createWidget(QWidget *parent)
++ {
++ auto *widget = new MultiPageWidget(parent);
++ connect(widget, &MultiPageWidget::currentIndexChanged,
++ this, &MultiPageWidgetPlugin::currentIndexChanged);
++ connect(widget, &MultiPageWidget::pageTitleChanged,
++ this, &MultiPageWidgetPlugin::pageTitleChanged);
++ return widget;
++ }
++
++ //! [2] //! [3]
++ bool MultiPageWidgetPlugin::isInitialized() const
++ {
++ return initialized;
++ }
++ //! [3]
++
++ //! [4]
++ void MultiPageWidgetPlugin::initialize(QDesignerFormEditorInterface *formEditor)
++ {
++ if (initialized)
++ return;
++ //! [4]
++
++ //! [5]
++ auto *manager = formEditor->extensionManager();
++ //! [5] //! [6]
++ auto *factory = new MultiPageWidgetExtensionFactory(manager);
++
++ Q_ASSERT(manager != nullptr);
++ manager->registerExtensions(factory, Q_TYPEID(QDesignerContainerExtension));
++
++ initialized = true;
++ }
++ //! [6]
++
++ //! [7]
++ QString MultiPageWidgetPlugin::domXml() const
++ {
++ return uR"(
++ <ui language="c++">
++ <widget class="MultiPageWidget" name="multipagewidget">
++ <widget class="QWidget" name="page"/>
++ </widget>
++ <customwidgets>
++ <customwidget>
++ <class>MultiPageWidget</class>
++ <extends>QWidget</extends>
++ <addpagemethod>addPage</addpagemethod>
++ </customwidget>
++ </customwidgets>
++ </ui>)"_s;
++ }
++ //! [7]
++
++ //! [8]
++ void MultiPageWidgetPlugin::currentIndexChanged(int index)
++ {
++ Q_UNUSED(index);
++ auto *widget = qobject_cast<MultiPageWidget*>(sender());
++ //! [8] //! [9]
++ if (widget) {
++ auto *form = QDesignerFormWindowInterface::findFormWindow(widget);
++ if (form)
++ form->emitSelectionChanged();
++ }
++ }
++ //! [9]
++
++ //! [10]
++ void MultiPageWidgetPlugin::pageTitleChanged(const QString &title)
++ {
++ Q_UNUSED(title);
++ auto *widget = qobject_cast<MultiPageWidget*>(sender());
++ //! [10] //! [11]
++ if (widget) {
++ auto *page = widget->widget(widget->currentIndex());
++ auto *form = QDesignerFormWindowInterface::findFormWindow(widget);
++ //! [11]
++ if (form) {
++ //! [12]
++ auto *editor = form->core();
++ auto *manager = editor->extensionManager();
++ //! [12] //! [13]
++ auto *sheet = qt_extension<QDesignerPropertySheetExtension*>(manager, page);
++ const int propertyIndex = sheet->indexOf(QLatin1String("windowTitle"));
++ sheet->setChanged(propertyIndex, true);
++ }
++ }
++ }
++
++ //! [13]