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Diffstat (limited to 'src/quick/designer/designersupport.h')
-rw-r--r-- | src/quick/designer/designersupport.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/quick/designer/designersupport.h b/src/quick/designer/designersupport.h new file mode 100644 index 0000000000..18546eca66 --- /dev/null +++ b/src/quick/designer/designersupport.h @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** 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 QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 QDeclarativeContext; +class QQuickView; + + +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, + Canvas = 0x00002000, + + EffectReference = 0x00008000, + Visible = 0x00010000, + HideReference = 0x00020000, + + TransformUpdateMask = TransformOrigin | Transform | BasicTransform | Position | Size | Canvas, + ComplexTransformUpdateMask = Transform | Canvas, + ContentUpdateMask = Size | Content | Smooth | Canvas, + ChildrenUpdateMask = ChildrenChanged | ChildrenStackingChanged | EffectReference | Canvas + }; + + + 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 resetDirty(QQuickItem *referencedItem); + + static QTransform canvasTransform(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, QDeclarativeContext *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(QDeclarativeContext *context); + + static void setRootItem(QQuickView *view, QQuickItem *item); + + static bool isValidWidth(QQuickItem *item); + static bool isValidHeight(QQuickItem *item); + + static void updateDirtyNode(QQuickItem *item); + +private: + QHash<QQuickItem*, QQuickShaderEffectTexture*> m_itemTextureHash; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // DESIGNERSUPPORT_H |