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authorLars Knoll <lars.knoll@nokia.com>2011-05-07 00:02:01 +0200
committerLars Knoll <lars.knoll@nokia.com>2011-05-07 00:02:01 +0200
commitf67b8df3ebdba2d398b9cce686b7c644adffff08 (patch)
tree062dd469f7cf8daa01a32d3e7b767b8fbdb7573a /src/widgets/graphicsview/qgraphicsproxywidget_p.h
parent32ce4fe9e6a94e77828e976776cf08da85254ff2 (diff)
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+/****************************************************************************
+**
+** 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 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSPROXYWIDGET_P_H
+#define QGRAPHICSPROXYWIDGET_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of other Qt classes. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qgraphicsproxywidget.h"
+#include "private/qgraphicswidget_p.h"
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsProxyWidgetPrivate : public QGraphicsWidgetPrivate
+{
+ Q_DECLARE_PUBLIC(QGraphicsProxyWidget)
+public:
+ QGraphicsProxyWidgetPrivate()
+ : dragDropWidget(0),
+ posChangeMode(NoMode),
+ sizeChangeMode(NoMode),
+ visibleChangeMode(NoMode),
+ enabledChangeMode(NoMode),
+ styleChangeMode(NoMode),
+ paletteChangeMode(NoMode),
+ tooltipChangeMode(NoMode),
+ focusFromWidgetToProxy(0)
+ { }
+ void init();
+ void sendWidgetMouseEvent(QGraphicsSceneMouseEvent *event);
+ void sendWidgetMouseEvent(QGraphicsSceneHoverEvent *event);
+ void sendWidgetKeyEvent(QKeyEvent *event);
+ void setWidget_helper(QWidget *widget, bool autoShow);
+
+ QWidget *findFocusChild(QWidget *child, bool next) const;
+ void removeSubFocusHelper(QWidget *widget, Qt::FocusReason reason);
+
+ // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4.
+ QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const;
+
+ void _q_removeWidgetSlot();
+
+ void embedSubWindow(QWidget *);
+ void unembedSubWindow(QWidget *);
+
+ bool isProxyWidget() const;
+
+ QPointer<QWidget> widget;
+ QPointer<QWidget> lastWidgetUnderMouse;
+ QPointer<QWidget> embeddedMouseGrabber;
+ QWidget *dragDropWidget;
+ Qt::DropAction lastDropAction;
+
+ void updateWidgetGeometryFromProxy();
+ void updateProxyGeometryFromWidget();
+
+ void updateProxyInputMethodAcceptanceFromWidget();
+
+ QPointF mapToReceiver(const QPointF &pos, const QWidget *receiver) const;
+
+ enum ChangeMode {
+ NoMode,
+ ProxyToWidgetMode,
+ WidgetToProxyMode
+ };
+ quint32 posChangeMode : 2;
+ quint32 sizeChangeMode : 2;
+ quint32 visibleChangeMode : 2;
+ quint32 enabledChangeMode : 2;
+ quint32 styleChangeMode : 2;
+ quint32 paletteChangeMode : 2;
+ quint32 tooltipChangeMode : 2;
+ quint32 focusFromWidgetToProxy : 1;
+ quint32 proxyIsGivingFocus : 1;
+};
+
+QT_END_NAMESPACE
+
+#endif
+
+#endif