// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists for the convenience // of Qt Designer. This header // file may change from version to version without notice, or even be removed. // // We mean it. // #ifndef WIDGETFACTORY_H #define WIDGETFACTORY_H #include "shared_global_p.h" #include "pluginmanager_p.h" #include #include #include #include QT_BEGIN_NAMESPACE class QObject; class QWidget; class QLayout; class QDesignerFormEditorInterface; class QDesignerCustomWidgetInterface; class QDesignerFormWindowInterface; class QStyle; namespace qdesigner_internal { class QDESIGNER_SHARED_EXPORT WidgetFactory: public QDesignerWidgetFactoryInterface { Q_OBJECT public: explicit WidgetFactory(QDesignerFormEditorInterface *core, QObject *parent = nullptr); ~WidgetFactory(); QWidget* containerOfWidget(QWidget *widget) const override; QWidget* widgetOfContainer(QWidget *widget) const override; QObject* createObject(const QString &className, QObject* parent) const; QWidget *createWidget(const QString &className, QWidget *parentWidget) const override; QLayout *createLayout(QWidget *widget, QLayout *layout, int type) const override; bool isPassiveInteractor(QWidget *widget) override; void initialize(QObject *object) const override; void initializeCommon(QWidget *object) const; void initializePreview(QWidget *object) const; QDesignerFormEditorInterface *core() const override; static QString classNameOf(QDesignerFormEditorInterface *core, const QObject* o); QDesignerFormWindowInterface *currentFormWindow(QDesignerFormWindowInterface *fw); static QLayout *createUnmanagedLayout(QWidget *parentWidget, int type); // The widget factory maintains a cache of styles which it owns. QString styleName() const; void setStyleName(const QString &styleName); /* Return a cached style matching the name or QApplication's style if * it is the default. */ QStyle *getStyle(const QString &styleName); // Return the current style used by the factory. This either a cached one // or QApplication's style */ QStyle *style() const; // Apply one of the cached styles or QApplication's style to a toplevel widget. void applyStyleTopLevel(const QString &styleName, QWidget *w); static void applyStyleToTopLevel(QStyle *style, QWidget *widget); // Return whether object was created by the factory for the form editor. static bool isFormEditorObject(const QObject *o); // Boolean dynamic property to set on widgets to prevent custom // styles from interfering static const char *disableStyleCustomPaintingPropertyC; public slots: void loadPlugins(); void activeFormWindowChanged(QDesignerFormWindowInterface *formWindow); void formWindowAdded(QDesignerFormWindowInterface *formWindow); private: QWidget* createCustomWidget(const QString &className, QWidget *parentWidget, bool *creationError) const; QDesignerFormWindowInterface *findFormWindow(QWidget *parentWidget) const; void setFormWindowStyle(QDesignerFormWindowInterface *formWindow); QDesignerFormEditorInterface *m_core; QMap m_customFactory; QDesignerFormWindowInterface *m_formWindow; // Points to the cached style or 0 if the default (qApp) is active QStyle *m_currentStyle; QHash m_styleCache; }; } // namespace qdesigner_internal QT_END_NAMESPACE #endif // WIDGETFACTORY_H