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    41 

    42 #ifndef QGRAPHICSPROXYWIDGET_P_H

    43 #define QGRAPHICSPROXYWIDGET_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of other Qt classes.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qgraphicsproxywidget.h"

    57 #include "private/qgraphicswidget_p.h"

    58 

    59 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

    60 

    61 QT_BEGIN_NAMESPACE

    62 

    63 class QGraphicsProxyWidgetPrivate : public QGraphicsWidgetPrivate

    64 {

    65     Q_DECLARE_PUBLIC(QGraphicsProxyWidget)

    66 public:

    67     QGraphicsProxyWidgetPrivate()

    68         : dragDropWidget(0),

    69           posChangeMode(NoMode),

    70           sizeChangeMode(NoMode),

    71           visibleChangeMode(NoMode),

    72           enabledChangeMode(NoMode),

    73           styleChangeMode(NoMode),

    74           paletteChangeMode(NoMode),

    75           focusFromWidgetToProxy(0)

    76     { }

    77     void init();

    78     void sendWidgetMouseEvent(QGraphicsSceneMouseEvent *event);

    79     void sendWidgetMouseEvent(QGraphicsSceneHoverEvent *event);

    80     void sendWidgetKeyEvent(QKeyEvent *event);

    81     void setWidget_helper(QWidget *widget, bool autoShow);

    82 

    83     QWidget *findFocusChild(QWidget *child, bool next) const;

    84     void removeSubFocusHelper(QWidget *widget, Qt::FocusReason reason);

    85 

    86     // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4.

    87     QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const;

    88 

    89     void _q_removeWidgetSlot();

    90 

    91     void embedSubWindow(QWidget *);

    92     void unembedSubWindow(QWidget *);

    93 

    94     bool isProxyWidget() const;

    95 

    96     QPointer<QWidget> widget;

    97     QPointer<QWidget> lastWidgetUnderMouse;

    98     QPointer<QWidget> embeddedMouseGrabber;

    99     QWidget *dragDropWidget;

   100     Qt::DropAction lastDropAction;

   101 

   102     void updateWidgetGeometryFromProxy();

   103     void updateProxyGeometryFromWidget();

   104 

   105     void updateProxyInputMethodAcceptanceFromWidget();

   106 

   107     QPointF mapToReceiver(const QPointF &pos, const QWidget *receiver) const;

   108 

   109     enum ChangeMode {

   110         NoMode,

   111         ProxyToWidgetMode,

   112         WidgetToProxyMode

   113     };

   114     quint32 posChangeMode : 2;

   115     quint32 sizeChangeMode : 2;

   116     quint32 visibleChangeMode : 2;

   117     quint32 enabledChangeMode : 2;

   118     quint32 styleChangeMode : 2;

   119     quint32 paletteChangeMode : 2;

   120     quint32 focusFromWidgetToProxy : 1;

   121 };

   122 

   123 QT_END_NAMESPACE

   124 

   125 #endif

   126 

   127 #endif