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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 Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3DOCKAREA_H
#define Q3DOCKAREA_H
#include <QtGui/qwidget.h>
#include <QtCore/qlist.h>
#include <Qt3Support/q3dockwindow.h>
#include <QtGui/qlayout.h>
#include <QtCore/qpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
#ifndef QT_NO_MAINWINDOW
class QBoxLayout;
class Q3DockAreaLayout;
class QMouseEvent;
class Q3DockWindowResizeHandle;
class Q3DockAreaPrivate;
class QTextStream;
class Q_COMPAT_EXPORT Q3DockAreaLayout : public QLayout
{
Q_OBJECT
friend class Q3DockArea;
public:
Q3DockAreaLayout(QWidget* parent, Qt::Orientation o, QList<Q3DockWindow *> *wl, int space = -1, int margin = -1, const char *name = 0)
: QLayout(parent), orient(o), dirty(true), dockWindows(wl), parentWidget(parent)
{
if (space != -1)
setSpacing(space);
if (margin != -1)
setMargin(margin);
setObjectName(QString::fromAscii(name));
init();
}
~Q3DockAreaLayout() {}
void addItem(QLayoutItem *) {}
bool hasHeightForWidth() const;
int heightForWidth(int) const;
int widthForHeight(int) const;
QSize sizeHint() const;
QSize minimumSize() const;
QLayoutItem *itemAt(int) const;
QLayoutItem *takeAt(int);
int count() const;
Qt::Orientations expandingDirections() const { return Qt::Orientations(0); }
void invalidate();
Qt::Orientation orientation() const { return orient; }
QList<QRect> lineList() const { return lines; }
QList<Q3DockWindow *> lineStarts() const { return ls; }
protected:
void setGeometry(const QRect&);
private:
Q_DISABLE_COPY(Q3DockAreaLayout)
void init();
int layoutItems(const QRect&, bool testonly = false);
Qt::Orientation orient;
bool dirty;
int cached_width, cached_height;
int cached_hfw, cached_wfh;
QList<Q3DockWindow *> *dockWindows;
QWidget *parentWidget;
QList<QRect> lines;
QList<Q3DockWindow *> ls;
};
class Q_COMPAT_EXPORT Q3DockArea : public QWidget
{
Q_OBJECT
Q_ENUMS(HandlePosition)
Q_PROPERTY(Qt::Orientation orientation READ orientation)
Q_PROPERTY(int count READ count)
Q_PROPERTY(bool empty READ isEmpty)
Q_PROPERTY(HandlePosition handlePosition READ handlePosition)
friend class Q3DockWindow;
friend class Q3DockWindowResizeHandle;
friend class Q3DockAreaLayout;
public:
enum HandlePosition { Normal, Reverse };
Q3DockArea(Qt::Orientation o, HandlePosition h = Normal, QWidget* parent=0, const char* name=0);
~Q3DockArea();
void moveDockWindow(Q3DockWindow *w, const QPoint &globalPos, const QRect &rect, bool swap);
void removeDockWindow(Q3DockWindow *w, bool makeFloating, bool swap, bool fixNewLines = true);
void moveDockWindow(Q3DockWindow *w, int index = -1);
bool hasDockWindow(Q3DockWindow *w, int *index = 0);
void invalidNextOffset(Q3DockWindow *dw);
Qt::Orientation orientation() const { return orient; }
HandlePosition handlePosition() const { return hPos; }
bool eventFilter(QObject *, QEvent *);
bool isEmpty() const;
int count() const;
QList<Q3DockWindow *> dockWindowList() const;
bool isDockWindowAccepted(Q3DockWindow *dw);
void setAcceptDockWindow(Q3DockWindow *dw, bool accept);
public Q_SLOTS:
void lineUp(bool keepNewLines);
private:
struct DockWindowData
{
int index;
int offset;
int line;
QSize fixedExtent;
QPointer<Q3DockArea> area;
};
int findDockWindow(Q3DockWindow *w);
int lineOf(int index);
DockWindowData *dockWindowData(Q3DockWindow *w);
void dockWindow(Q3DockWindow *dockWindow, DockWindowData *data);
void updateLayout();
void invalidateFixedSizes();
int maxSpace(int hint, Q3DockWindow *dw);
void setFixedExtent(int d, Q3DockWindow *dw);
bool isLastDockWindow(Q3DockWindow *dw);
private:
Q_DISABLE_COPY(Q3DockArea)
Qt::Orientation orient;
QList<Q3DockWindow *> dockWindows;
Q3DockAreaLayout *layout;
HandlePosition hPos;
QList<Q3DockWindow *> forbiddenWidgets;
Q3DockAreaPrivate *d;
};
#ifndef QT_NO_TEXTSTREAM
Q_COMPAT_EXPORT QTextStream &operator<<(QTextStream &, const Q3DockArea &);
Q_COMPAT_EXPORT QTextStream &operator>>(QTextStream &, Q3DockArea &);
#endif
#endif // QT_NO_MAINWINDOW
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3DOCKAREA_H
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