Initial import of statemachine branch from the old kinetic repository

1 files changed, 291 insertions, 0 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
new file mode 100644
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+++ b/src/gui/graphicsview/qgraphicsitem_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSITEM_P_H
+#define QGRAPHICSITEM_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qgraphicsitem.h"
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsItemPrivate;
+
+class QGraphicsItemCache
+{
+public:
+    QGraphicsItemCache() : allExposed(false) { }
+
+    // ItemCoordinateCache only
+    QRect boundingRect;
+    QSize fixedSize;
+    QString key;
+
+    // DeviceCoordinateCache only
+    struct DeviceData {
+        QTransform lastTransform;
+        QPoint cacheIndent;
+        QString key;
+    };
+    QMap<QPaintDevice *, DeviceData> deviceData;
+
+    // List of logical exposed rects
+    QVector<QRectF> exposed;
+    bool allExposed;
+
+    // Empty cache
+    void purge();
+};
+
+class Q_AUTOTEST_EXPORT QGraphicsItemPrivate
+{
+    Q_DECLARE_PUBLIC(QGraphicsItem)
+public:
+    struct TransformData
+    {
+        TransformData() : rotationX(0),rotationY(0),rotationZ(0),scaleX(1),scaleY(1), dirty(true)  {}
+        QTransform baseTransform;
+        QTransform transform;
+        QPointF transformCenter;
+        qreal rotationX,rotationY,rotationZ,scaleX,scaleY;
+        bool dirty;
+    };
+    enum Extra {
+        ExtraTransform,
+        ExtraToolTip,
+        ExtraCursor,
+        ExtraCacheData,
+        ExtraMaxDeviceCoordCacheSize,
+        ExtraBoundingRegionGranularity,
+        ExtraOpacity,
+        ExtraEffectiveOpacity
+    };
+
+    enum AncestorFlag {
+        NoFlag = 0,
+        AncestorHandlesChildEvents = 0x1,
+        AncestorClipsChildren = 0x2,
+        AncestorIgnoresTransformations = 0x4
+    };
+
+    inline QGraphicsItemPrivate()
+        : z(0),
+        scene(0),
+        parent(0),
+        index(-1),
+        depth(0),
+        acceptedMouseButtons(0x1f),
+        visible(1),
+        explicitlyHidden(0),
+        enabled(1),
+        explicitlyDisabled(0),
+        selected(0),
+        acceptsHover(0),
+        acceptDrops(0),
+        isMemberOfGroup(0),
+        handlesChildEvents(0),
+        itemDiscovered(0),
+        hasTransform(0),
+        hasCursor(0),
+        ancestorFlags(0),
+        cacheMode(0),
+        hasBoundingRegionGranularity(0),
+        flags(0),
+        hasOpacity(0),
+        isWidget(0),
+        dirty(0),
+        dirtyChildren(0),
+        localCollisionHack(0),
+        globalStackingOrder(-1),
+        sceneTransformIndex(-1),
+        q_ptr(0)
+    {
+    }
+
+    inline virtual ~QGraphicsItemPrivate()
+    { }
+
+    void updateAncestorFlag(QGraphicsItem::GraphicsItemFlag childFlag,
+                            AncestorFlag flag = NoFlag, bool enabled = false, bool root = true);
+    void setIsMemberOfGroup(bool enabled);
+    void remapItemPos(QEvent *event, QGraphicsItem *item);
+    QPointF genericMapFromScene(const QPointF &pos, const QWidget *viewport) const;
+    bool itemIsUntransformable() const;
+
+    // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4.
+    virtual QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const;
+    static bool movableAncestorIsSelected(const QGraphicsItem *item);
+
+    void setPosHelper(const QPointF &pos, bool update);
+    void setVisibleHelper(bool newVisible, bool explicitly, bool update = true);
+    void setEnabledHelper(bool newEnabled, bool explicitly, bool update = true);
+    void updateHelper(const QRectF &rect = QRectF(), bool force = false);
+    void fullUpdateHelper(bool childrenOnly = false);
+    void resolveEffectiveOpacity(qreal effectiveParentOpacity);
+    void resolveDepth(int parentDepth);
+    void invalidateSceneTransformCache();
+
+    virtual void resolveFont(uint inheritedMask)
+    {
+        for (int i = 0; i < children.size(); ++i)
+            children.at(i)->d_ptr->resolveFont(inheritedMask);
+    }
+
+    virtual void resolvePalette(uint inheritedMask)
+    {
+        for (int i = 0; i < children.size(); ++i)
+            children.at(i)->d_ptr->resolveFont(inheritedMask);
+    }
+
+    virtual bool isProxyWidget() const;
+
+    inline QVariant extra(Extra type) const
+    {
+        for (int i = 0; i < extras.size(); ++i) {
+            const ExtraStruct &extra = extras.at(i);
+            if (extra.type == type)
+                return extra.value;
+        }
+        return QVariant();
+    }
+
+    inline void setExtra(Extra type, const QVariant &value)
+    {
+        int index = -1;
+        for (int i = 0; i < extras.size(); ++i) {
+            if (extras.at(i).type == type) {
+                index = i;
+                break;
+            }
+        }
+
+        if (index == -1) {
+            extras << ExtraStruct(type, value);
+        } else {
+            extras[index].value = value;
+        }
+    }
+
+    inline void unsetExtra(Extra type)
+    {
+        for (int i = 0; i < extras.size(); ++i) {
+            if (extras.at(i).type == type) {
+                extras.removeAt(i);
+                return;
+            }
+        }
+    }
+    
+    struct ExtraStruct {
+        ExtraStruct(Extra type, QVariant value)
+            : type(type), value(value)
+        { }
+
+        Extra type;
+        QVariant value;
+
+        bool operator<(Extra extra) const
+        { return type < extra; }
+    };
+    
+    QList<ExtraStruct> extras;
+
+    QGraphicsItemCache *extraItemCache() const;
+    void removeExtraItemCache();
+
+    QPointF pos;
+    qreal z;
+    QGraphicsScene *scene;
+    QGraphicsItem *parent;
+    QList<QGraphicsItem *> children;
+    int index;
+    int depth;
+
+    // Packed 32 bytes
+    quint32 acceptedMouseButtons : 5;
+    quint32 visible : 1;
+    quint32 explicitlyHidden : 1;
+    quint32 enabled : 1;
+    quint32 explicitlyDisabled : 1;
+    quint32 selected : 1;
+    quint32 acceptsHover : 1;
+    quint32 acceptDrops : 1;
+    quint32 isMemberOfGroup : 1;
+    quint32 handlesChildEvents : 1;
+    quint32 itemDiscovered : 1;
+    quint32 hasTransform : 1;
+    quint32 hasCursor : 1;
+    quint32 ancestorFlags : 3;
+    quint32 cacheMode : 2;
+    quint32 hasBoundingRegionGranularity : 1;
+    quint32 flags : 9;
+
+    // New 32 bytes
+    quint32 hasOpacity : 1;
+    quint32 isWidget : 1;
+    quint32 dirty : 1;    
+    quint32 dirtyChildren : 1;    
+    quint32 localCollisionHack : 1;
+
+    // Optional stacking order
+    int globalStackingOrder;
+    int sceneTransformIndex;
+
+    QGraphicsItem *q_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_GRAPHICSVIEW
+
+#endif