彻底改版2.0
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feiyangqingyun
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third/designer/lib/shared/widgetfactory_p.h
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191
third/designer/lib/shared/widgetfactory_p.h
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of Qt Designer. This header
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// file may change from version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#ifndef WIDGETFACTORY_H
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#define WIDGETFACTORY_H
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#include "shared_global_p.h"
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#include "pluginmanager_p.h"
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#include <QtDesigner/QDesignerWidgetFactoryInterface>
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#include <QtCore/QMap>
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#include <QtCore/QHash>
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#include <QtCore/QVariant>
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#include <QtCore/QPointer>
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QT_BEGIN_NAMESPACE
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class QObject;
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class QWidget;
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class QLayout;
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class QDesignerFormEditorInterface;
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class QDesignerCustomWidgetInterface;
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class QDesignerFormWindowInterface;
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class QStyle;
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namespace qdesigner_internal {
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class QDESIGNER_SHARED_EXPORT WidgetFactory: public QDesignerWidgetFactoryInterface
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{
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Q_OBJECT
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public:
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explicit WidgetFactory(QDesignerFormEditorInterface *core, QObject *parent = 0);
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~WidgetFactory();
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virtual QWidget* containerOfWidget(QWidget *widget) const;
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virtual QWidget* widgetOfContainer(QWidget *widget) const;
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QObject* createObject(const QString &className, QObject* parent) const;
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virtual QWidget *createWidget(const QString &className, QWidget *parentWidget) const;
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virtual QLayout *createLayout(QWidget *widget, QLayout *layout, int type) const;
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virtual bool isPassiveInteractor(QWidget *widget);
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virtual void initialize(QObject *object) const;
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void initializeCommon(QWidget *object) const;
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void initializePreview(QWidget *object) const;
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virtual QDesignerFormEditorInterface *core() const;
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static QString classNameOf(QDesignerFormEditorInterface *core, const QObject* o);
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QDesignerFormWindowInterface *currentFormWindow(QDesignerFormWindowInterface *fw);
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static QLayout *createUnmanagedLayout(QWidget *parentWidget, int type);
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// The widget factory maintains a cache of styles which it owns.
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QString styleName() const;
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void setStyleName(const QString &styleName);
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/* Return a cached style matching the name or QApplication's style if
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* it is the default. */
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QStyle *getStyle(const QString &styleName);
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// Return the current style used by the factory. This either a cached one
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// or QApplication's style */
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QStyle *style() const;
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// Apply one of the cached styles or QApplication's style to a toplevel widget.
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void applyStyleTopLevel(const QString &styleName, QWidget *w);
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static void applyStyleToTopLevel(QStyle *style, QWidget *widget);
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// Return whether object was created by the factory for the form editor.
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static bool isFormEditorObject(const QObject *o);
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// Boolean dynamic property to set on widgets to prevent custom
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// styles from interfering
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static const char *disableStyleCustomPaintingPropertyC;
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public slots:
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void loadPlugins();
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private slots:
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void activeFormWindowChanged(QDesignerFormWindowInterface *formWindow);
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void formWindowAdded(QDesignerFormWindowInterface *formWindow);
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private:
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struct Strings { // Reduce string allocations by storing predefined strings
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Strings();
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const QString m_alignment;
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const QString m_bottomMargin;
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const QString m_geometry;
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const QString m_leftMargin;
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const QString m_line;
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const QString m_objectName;
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const QString m_spacerName;
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const QString m_orientation;
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const QString m_q3WidgetStack;
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const QString m_qAction;
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const QString m_qButtonGroup;
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const QString m_qAxWidget;
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const QString m_qDialog;
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const QString m_qDockWidget;
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const QString m_qLayoutWidget;
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const QString m_qMenu;
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const QString m_qMenuBar;
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const QString m_qWidget;
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const QString m_rightMargin;
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const QString m_sizeHint;
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const QString m_spacer;
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const QString m_text;
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const QString m_title;
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const QString m_topMargin;
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const QString m_windowIcon;
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const QString m_windowTitle;
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};
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QWidget* createCustomWidget(const QString &className, QWidget *parentWidget, bool *creationError) const;
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QDesignerFormWindowInterface *findFormWindow(QWidget *parentWidget) const;
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void setFormWindowStyle(QDesignerFormWindowInterface *formWindow);
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const Strings m_strings;
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QDesignerFormEditorInterface *m_core;
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typedef QMap<QString, QDesignerCustomWidgetInterface*> CustomWidgetFactoryMap;
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CustomWidgetFactoryMap m_customFactory;
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QDesignerFormWindowInterface *m_formWindow;
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// Points to the cached style or 0 if the default (qApp) is active
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QStyle *m_currentStyle;
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typedef QHash<QString, QStyle *> StyleCache;
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StyleCache m_styleCache;
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static QPointer<QWidget> *m_lastPassiveInteractor;
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static bool m_lastWasAPassiveInteractor;
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};
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} // namespace qdesigner_internal
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QT_END_NAMESPACE
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#endif // WIDGETFACTORY_H
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