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/****************************************************************************
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** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
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** This file is part of the widgets module of the Qt Toolkit.
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.QPL included in the packaging of this file.
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for QPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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** Contact info@trolltech.com if any conditions of this licensing are
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
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#ifndef QDOCKWIDGETLAYOUT_P_H
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#define QDOCKWIDGETLAYOUT_P_H
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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class QDockWidgetSeparator;
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struct QDockWidgetLayoutInfo
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inline QDockWidgetLayoutInfo(QLayoutItem *i)
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: item(i), cur_pos(-1), cur_size(-1), min_size(1), max_size(-1),
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is_sep(0), is_dropped(0), reserved(0)
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class QDockWidgetLayout : public QLayout
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Qt::DockWidgetArea area;
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Qt::Orientation orientation;
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QList<QDockWidgetLayoutInfo> layout_info;
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QList<QDockWidgetLayoutInfo> *save_layout_info;
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mutable QSize minSize;
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QDockWidgetLayout(Qt::DockWidgetArea a, Qt::Orientation o);
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enum { // sentinel values used to validate state data
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void saveState(QDataStream &stream) const;
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bool restoreState(QDataStream &stream);
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void addItem(QLayoutItem *layoutitem);
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void setGeometry(const QRect &rect);
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QLayoutItem *itemAt(int index) const;
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QLayoutItem *takeAt(int index);
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QSize sizeHint() const;
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QSize minimumSize() const;
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QInternal::RelayoutType relayout_type;
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void relayout(QInternal::RelayoutType type = QInternal::RelayoutNormal);
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void setOrientation(Qt::Orientation o);
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QDockWidgetLayoutInfo &insert(int index, QLayoutItem *layoutitem);
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void saveLayoutInfo();
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void resetLayoutInfo();
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void discardLayoutInfo();
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QPoint constrain(QDockWidgetSeparator *sep, int delta);
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Qt::DockWidgetArea area;
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Location locate(const QPoint &mouse) const;
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QRect place(QDockWidget *dockwidget, const QRect &r, const QPoint &mouse);
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void drop(QDockWidget *dockwidget, const QRect &r, const QPoint &mouse);
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void extend(QDockWidget *dockwidget, Qt::Orientation direction);
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void split(QDockWidget *existing, QDockWidget *with, Qt::DockWidgetArea area);
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static inline int pick(Qt::Orientation o, const QPoint &p)
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{ return o == Qt::Horizontal ? p.x() : p.y(); }
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static inline int pick(Qt::Orientation o, const QSize &s)
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{ return o == Qt::Horizontal ? s.width() : s.height(); }
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static inline int pick_perp(Qt::Orientation o, const QPoint &p)
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{ return o == Qt::Vertical ? p.x() : p.y(); }
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static inline int pick_perp(Qt::Orientation o, const QSize &s)
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{ return o == Qt::Vertical ? s.width() : s.height(); }
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#endif // QDOCKWIDGETLAYOUT_P_H