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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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 <QtDesigner/QDesignerWidgetFactoryInterface>
#include <QtCore/QMap>
#include <QtCore/QHash>
#include <QtCore/QVariant>
#include <QtCore/QPointer>
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 = 0);
~WidgetFactory();
virtual QWidget* containerOfWidget(QWidget *widget) const;
virtual QWidget* widgetOfContainer(QWidget *widget) const;
QObject* createObject(const QString &className, QObject* parent) const;
virtual QWidget *createWidget(const QString &className, QWidget *parentWidget) const;
virtual QLayout *createLayout(QWidget *widget, QLayout *layout, int type) const;
virtual bool isPassiveInteractor(QWidget *widget);
virtual void initialize(QObject *object) const;
void initializeCommon(QWidget *object) const;
void initializePreview(QWidget *object) const;
virtual QDesignerFormEditorInterface *core() const;
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();
private slots:
void activeFormWindowChanged(QDesignerFormWindowInterface *formWindow);
void formWindowAdded(QDesignerFormWindowInterface *formWindow);
private:
struct Strings { // Reduce string allocations by storing predefined strings
Strings();
const QString m_alignment;
const QString m_bottomMargin;
const QString m_geometry;
const QString m_leftMargin;
const QString m_line;
const QString m_objectName;
const QString m_spacerName;
const QString m_orientation;
const QString m_q3WidgetStack;
const QString m_qAction;
const QString m_qButtonGroup;
const QString m_qAxWidget;
const QString m_qDialog;
const QString m_qDockWidget;
const QString m_qLayoutWidget;
const QString m_qMenu;
const QString m_qMenuBar;
const QString m_qWidget;
const QString m_rightMargin;
const QString m_sizeHint;
const QString m_spacer;
const QString m_text;
const QString m_title;
const QString m_topMargin;
const QString m_windowIcon;
const QString m_windowTitle;
};
QWidget* createCustomWidget(const QString &className, QWidget *parentWidget, bool *creationError) const;
QDesignerFormWindowInterface *findFormWindow(QWidget *parentWidget) const;
void setFormWindowStyle(QDesignerFormWindowInterface *formWindow);
const Strings m_strings;
QDesignerFormEditorInterface *m_core;
typedef QMap<QString, QDesignerCustomWidgetInterface*> CustomWidgetFactoryMap;
CustomWidgetFactoryMap m_customFactory;
QDesignerFormWindowInterface *m_formWindow;
// Points to the cached style or 0 if the default (qApp) is active
QStyle *m_currentStyle;
typedef QHash<QString, QStyle *> StyleCache;
StyleCache m_styleCache;
static QPointer<QWidget> *m_lastPassiveInteractor;
static bool m_lastWasAPassiveInteractor;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // WIDGETFACTORY_H
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