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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DESIGNERSUPPORT_H
#define DESIGNERSUPPORT_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick/qtquickglobal.h>
#include <QtCore/QtGlobal>
#include <QtCore/QHash>
#include <QtCore/QRectF>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QQuickItem;
class QQuickShaderEffectTexture;
class QImage;
class QTransform;
class QQmlContext;
class QQuickView;
class QObject;
class QQuickWindow;
class Q_QUICK_EXPORT DesignerSupport
{
public:
enum DirtyType {
TransformOrigin = 0x00000001,
Transform = 0x00000002,
BasicTransform = 0x00000004,
Position = 0x00000008,
Size = 0x00000010,
ZValue = 0x00000020,
Content = 0x00000040,
Smooth = 0x00000080,
OpacityValue = 0x00000100,
ChildrenChanged = 0x00000200,
ChildrenStackingChanged = 0x00000400,
ParentChanged = 0x00000800,
Clip = 0x00001000,
Window = 0x00002000,
EffectReference = 0x00008000,
Visible = 0x00010000,
HideReference = 0x00020000,
TransformUpdateMask = TransformOrigin | Transform | BasicTransform | Position | Size | Window,
ComplexTransformUpdateMask = Transform | Window,
ContentUpdateMask = Size | Content | Smooth | Window,
ChildrenUpdateMask = ChildrenChanged | ChildrenStackingChanged | EffectReference | Window,
AllMask = TransformUpdateMask | ContentUpdateMask | ChildrenUpdateMask
};
DesignerSupport();
~DesignerSupport();
void refFromEffectItem(QQuickItem *referencedItem, bool hide = true);
void derefFromEffectItem(QQuickItem *referencedItem, bool unhide = true);
QImage renderImageForItem(QQuickItem *referencedItem, const QRectF &boundingRect, const QSize &imageSize);
static bool isDirty(QQuickItem *referencedItem, DirtyType dirtyType);
static void addDirty(QQuickItem *referencedItem, DirtyType dirtyType);
static void resetDirty(QQuickItem *referencedItem);
static QTransform windowTransform(QQuickItem *referencedItem);
static QTransform parentTransform(QQuickItem *referencedItem);
static bool isAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);
static bool areChildrenAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);
static bool hasAnchor(QQuickItem *item, const QString &name);
static QQuickItem *anchorFillTargetItem(QQuickItem *item);
static QQuickItem *anchorCenterInTargetItem(QQuickItem *item);
static QPair<QString, QObject*> anchorLineTarget(QQuickItem *item, const QString &name, QQmlContext *context);
static void resetAnchor(QQuickItem *item, const QString &name);
static QList<QObject*> statesForItem(QQuickItem *item);
static bool isComponentComplete(QQuickItem *item);
static int borderWidth(QQuickItem *item);
static void refreshExpressions(QQmlContext *context);
static void setRootItem(QQuickView *view, QQuickItem *item);
static bool isValidWidth(QQuickItem *item);
static bool isValidHeight(QQuickItem *item);
static void updateDirtyNode(QQuickItem *item);
static void activateDesignerWindowManager();
static void createOpenGLContext(QQuickWindow *window);
static void polishItems(QQuickWindow *window);
private:
QHash<QQuickItem*, QQuickShaderEffectTexture*> m_itemTextureHash;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // DESIGNERSUPPORT_H
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