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# qgraphicsproxywidget.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QGRAPHICSPROXYWIDGET_H
    00043 #define QGRAPHICSPROXYWIDGET_H
    00044
    00045 #include <QtGui/qgraphicswidget.h>
    00046
    00047 QT_BEGIN_HEADER
    00048
    00049 QT_BEGIN_NAMESPACE
    00050
    00051 QT_MODULE(Gui)
    00052
    00053 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
    00054
    00055 class QGraphicsProxyWidgetPrivate;
    00056
    00057 class Q_GUI_EXPORT QGraphicsProxyWidget : public QGraphicsWidget
    00058 {
    00059     Q_OBJECT
    00060 public:
    00061     QGraphicsProxyWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
    00062     ~QGraphicsProxyWidget();
    00063
    00064     void setWidget(QWidget *widget);
    00065     QWidget *widget() const;
    00066
    00067     QRectF subWidgetRect(const QWidget *widget) const;
    00068
    00069     void setGeometry(const QRectF &rect);
    00070
    00071     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
    00072
    00073     enum {
    00074         Type = 12
    00075     };
    00076     int type() const;
    00077
    00078     QGraphicsProxyWidget *createProxyForChildWidget(QWidget *child);
    00079
    00080 protected:
    00081     QVariant itemChange(GraphicsItemChange change, const QVariant &value);
    00082
    00083     bool event(QEvent *event);
    00084     bool eventFilter(QObject *object, QEvent *event);
    00085
    00086     void showEvent(QShowEvent *event);
    00087     void hideEvent(QHideEvent *event);
    00088
    00089 #ifndef QT_NO_CONTEXTMENU
    00090     void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
    00091 #endif
    00092
    00093 #ifndef QT_NO_DRAGANDDROP
    00094     void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
    00095     void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
    00096     void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
    00097     void dropEvent(QGraphicsSceneDragDropEvent *event);
    00098 #endif
    00099
    00100     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
    00101     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
    00102     void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
    00103     void grabMouseEvent(QEvent *event);
    00104     void ungrabMouseEvent(QEvent *event);
    00105
    00106     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    00107     void mousePressEvent(QGraphicsSceneMouseEvent *event);
    00108     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    00109     void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
    00110 #ifndef QT_NO_WHEELEVENT
    00111     void wheelEvent(QGraphicsSceneWheelEvent *event);
    00112 #endif
    00113
    00114     void keyPressEvent(QKeyEvent *event);
    00115     void keyReleaseEvent(QKeyEvent *event);
    00116
    00117     void focusInEvent(QFocusEvent *event);
    00118     void focusOutEvent(QFocusEvent *event);
    00119     bool focusNextPrevChild(bool next);
    00120     // ### Qt 4.5:
    00121     // QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
    00122     // void inputMethodEvent(QInputMethodEvent *event);
    00123
    00124     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
    00125     void resizeEvent(QGraphicsSceneResizeEvent *event);
    00126
    00127 protected Q_SLOTS:
    00128     QGraphicsProxyWidget *newProxyWidget(const QWidget *);
    00129
    00130 private:
    00131     Q_DISABLE_COPY(QGraphicsProxyWidget)
    00132     Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QGraphicsProxyWidget)
    00133     Q_PRIVATE_SLOT(d_func(), void _q_removeWidgetSlot())
    00134
    00135     friend class QWidget;
    00136     friend class QWidgetPrivate;
    00137     friend class QGraphicsItem;
    00138 };
    00139
    00140 #endif
    00141
    00142 QT_END_NAMESPACE
    00143
    00144 QT_END_HEADER
    00145
    00146 #endif
    00147