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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 QGRAPHICSWIDGET_P_H
+#define QGRAPHICSWIDGET_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 <private/qobject_p.h>
+#include "qgraphicsitem_p.h"
+#include "qgraphicswidget.h"
+#include <QtGui/qfont.h>
+#include <QtGui/qpalette.h>
+#include <QtGui/qsizepolicy.h>
+#include <QtGui/qstyle.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsLayout;
+class QStyleOptionTitleBar;
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+class Q_GUI_EXPORT QGraphicsWidgetPrivate : public QGraphicsItemPrivate
+{
+ Q_DECLARE_PUBLIC(QGraphicsWidget)
+public:
+ QGraphicsWidgetPrivate()
+ : leftMargin(0),
+ topMargin(0),
+ rightMargin(0),
+ bottomMargin(0),
+ leftLayoutItemMargin(0),
+ topLayoutItemMargin(0),
+ rightLayoutItemMargin(0),
+ bottomLayoutItemMargin(0),
+ layout(0),
+ inheritedPaletteResolveMask(0),
+ inheritedFontResolveMask(0),
+ inSetGeometry(0),
+ focusPolicy(Qt::NoFocus),
+ focusNext(0),
+ focusPrev(0),
+ focusChild(0),
+ windowFlags(0),
+ hoveredSubControl(QStyle::SC_None),
+ grabbedSection(Qt::NoSection),
+ buttonMouseOver(false),
+ buttonSunken(false),
+ setWindowFrameMargins(false),
+ leftWindowFrameMargin(0),
+ topWindowFrameMargin(0),
+ rightWindowFrameMargin(0),
+ bottomWindowFrameMargin(0)
+ { }
+
+ void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags);
+ qreal titleBarHeight(const QStyleOptionTitleBar &options) const;
+
+ // Margins
+ qreal leftMargin;
+ qreal topMargin;
+ qreal rightMargin;
+ qreal bottomMargin;
+ QRectF contentsRect;
+
+ // Layout item margins
+ void getLayoutItemMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
+ void setLayoutItemMargins(qreal left, qreal top, qreal right, qreal bottom);
+ void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0);
+
+ void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene = 0);
+ void setLayout_helper(QGraphicsLayout *l);
+
+ qreal leftLayoutItemMargin;
+ qreal topLayoutItemMargin;
+ qreal rightLayoutItemMargin;
+ qreal bottomLayoutItemMargin;
+
+ // Layouts
+ QGraphicsLayout *layout;
+ void setLayoutDirection_helper(Qt::LayoutDirection direction);
+ void resolveLayoutDirection();
+
+ // Style
+ QPalette palette;
+ uint inheritedPaletteResolveMask;
+ void setPalette_helper(const QPalette &palette);
+ void resolvePalette(uint inheritedMask);
+ void updatePalette(const QPalette &palette);
+ QPalette naturalWidgetPalette() const;
+ QFont font;
+ uint inheritedFontResolveMask;
+ void setFont_helper(const QFont &font);
+ void resolveFont(uint inheritedMask);
+ void updateFont(const QFont &font);
+ QFont naturalWidgetFont() const;
+
+ // Window specific
+ void initStyleOptionTitleBar(QStyleOptionTitleBar *option);
+ void adjustWindowFlags(Qt::WindowFlags *wFlags);
+ void windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+ void windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event);
+ void windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ void windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event);
+ void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ bool hasDecoration() const;
+
+ // State
+ inline int attributeToBitIndex(Qt::WidgetAttribute att) const
+ {
+ int bit = -1;
+ switch (att) {
+ case Qt::WA_SetLayoutDirection: bit = 0; break;
+ case Qt::WA_RightToLeft: bit = 1; break;
+ case Qt::WA_SetStyle: bit = 2; break;
+ case Qt::WA_Resized: bit = 3; break;
+ case Qt::WA_DeleteOnClose: bit = 4; break;
+ case Qt::WA_NoSystemBackground: bit = 5; break;
+ case Qt::WA_OpaquePaintEvent: bit = 6; break;
+ case Qt::WA_SetPalette: bit = 7; break;
+ case Qt::WA_SetFont: bit = 8; break;
+ case Qt::WA_WindowPropagation: bit = 9; break;
+ default: break;
+ }
+ return bit;
+ }
+ inline void setAttribute(Qt::WidgetAttribute att, bool value)
+ {
+ int bit = attributeToBitIndex(att);
+ if (bit == -1) {
+ qWarning("QGraphicsWidget::setAttribute: unsupported attribute %d", int(att));
+ return;
+ }
+ if (value)
+ attributes |= (1 << bit);
+ else
+ attributes &= ~(1 << bit);
+ }
+ inline bool testAttribute(Qt::WidgetAttribute att) const
+ {
+ int bit = attributeToBitIndex(att);
+ if (bit == -1)
+ return false;
+ return (attributes & (1 << bit)) != 0;
+ }
+ quint32 attributes : 10;
+ quint32 inSetGeometry : 1;
+
+ // Focus
+ Qt::FocusPolicy focusPolicy;
+ QGraphicsWidget *focusNext;
+ QGraphicsWidget *focusPrev;
+ QGraphicsWidget *focusChild;
+ void setFocusWidget();
+ void clearFocusWidget();
+
+ // Windows
+ Qt::WindowFlags windowFlags;
+ QString windowTitle;
+ QStyle::SubControl hoveredSubControl;
+ Qt::WindowFrameSection grabbedSection;
+ uint buttonMouseOver : 1;
+ uint buttonSunken : 1;
+ QPointF mouseDelta; // to compensate for small error when interactively resizing
+ QRectF startGeometry;
+ QRect buttonRect;
+
+ bool setWindowFrameMargins;
+ qreal leftWindowFrameMargin;
+ qreal topWindowFrameMargin;
+ qreal rightWindowFrameMargin;
+ qreal bottomWindowFrameMargin;
+
+#ifndef QT_NO_ACTION
+ QList<QAction *> actions;
+#endif
+};
+
+#endif //!defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+QT_END_NAMESPACE
+
+#endif //QGRAPHICSWIDGET_P_H
+