/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.2, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QWORKSPACE_H
#define QWORKSPACE_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_WORKSPACE

class QAction;
class QWorkspaceChild;
class QShowEvent;
class QWorkspacePrivate;

class Q_GUI_EXPORT QWorkspace : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(bool scrollBarsEnabled READ scrollBarsEnabled WRITE setScrollBarsEnabled)
    Q_PROPERTY(QBrush background READ background WRITE setBackground)

public:
    explicit QWorkspace(QWidget* parent=0);
    ~QWorkspace();

    enum WindowOrder { CreationOrder, StackingOrder };

    QWidget* activeWindow() const;
    QWidgetList windowList(WindowOrder order = CreationOrder) const;

    QWidget * addWindow(QWidget *w, Qt::WindowFlags flags = 0);

    QSize sizeHint() const;

    bool scrollBarsEnabled() const;
    void setScrollBarsEnabled(bool enable);

#ifdef QT3_SUPPORT
    QT3_SUPPORT_CONSTRUCTOR QWorkspace(QWidget* parent, const char* name);
    QT3_SUPPORT void setPaletteBackgroundColor(const QColor &);
    QT3_SUPPORT void setPaletteBackgroundPixmap(const QPixmap &);
#endif

    void setBackground(const QBrush &background);
    QBrush background() const;

Q_SIGNALS:
    void windowActivated(QWidget* w);

public Q_SLOTS:
    void setActiveWindow(QWidget *w);
    void cascade();
    void tile();
    void arrangeIcons();
    void closeActiveWindow();
    void closeAllWindows();
    void activateNextWindow();
    void activatePreviousWindow();

protected:
    bool event(QEvent *e);
    void paintEvent(QPaintEvent *e);
    void changeEvent(QEvent *);
    void childEvent(QChildEvent *);
    void resizeEvent(QResizeEvent *);
    bool eventFilter(QObject *, QEvent *);
    void showEvent(QShowEvent *e);
    void hideEvent(QHideEvent *e);
#ifndef QT_NO_WHEELEVENT
    void wheelEvent(QWheelEvent *e);
#endif

private:
    Q_DECLARE_PRIVATE(QWorkspace)
    Q_DISABLE_COPY(QWorkspace)
    Q_PRIVATE_SLOT(d_func(), void _q_normalizeActiveWindow())
    Q_PRIVATE_SLOT(d_func(), void _q_minimizeActiveWindow())
    Q_PRIVATE_SLOT(d_func(), void _q_showOperationMenu())
    Q_PRIVATE_SLOT(d_func(), void _q_popupOperationMenu(const QPoint&))
    Q_PRIVATE_SLOT(d_func(), void _q_operationMenuActivated(QAction *))
    Q_PRIVATE_SLOT(d_func(), void _q_updateActions())
    Q_PRIVATE_SLOT(d_func(), void _q_scrollBarChanged())

    friend class QWorkspaceChild;
};

#endif // QT_NO_WORKSPACE

QT_END_NAMESPACE

QT_END_HEADER

#endif // QWORKSPACE_H
