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# qmdiarea.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QMDIAREA_H
    00043 #define QMDIAREA_H
    00044
    00045 #include <QtGui/qabstractscrollarea.h>
    00046 #include <QtGui/qtabwidget.h>
    00047
    00048 QT_BEGIN_HEADER
    00049
    00050 QT_BEGIN_NAMESPACE
    00051
    00052 QT_MODULE(Gui)
    00053
    00054 #ifndef QT_NO_MDIAREA
    00055
    00056 class QMdiSubWindow;
    00057
    00058 class QMdiAreaPrivate;
    00059 class Q_GUI_EXPORT QMdiArea : public QAbstractScrollArea
    00060 {
    00061     Q_OBJECT
    00062     Q_ENUMS(ViewMode)
    00063     Q_PROPERTY(QBrush background READ background WRITE setBackground)
    00064     Q_PROPERTY(WindowOrder activationOrder READ activationOrder WRITE setActivationOrder)
    00065     Q_PROPERTY(ViewMode viewMode READ viewMode WRITE setViewMode)
    00066 #ifndef QT_NO_TABBAR
    00067     Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)
    00068 #endif
    00069 #ifndef QT_NO_TABWIDGET
    00070     Q_PROPERTY(QTabWidget::TabShape tabShape READ tabShape WRITE setTabShape)
    00071     Q_PROPERTY(QTabWidget::TabPosition tabPosition READ tabPosition WRITE setTabPosition)
    00072 #endif
    00073     Q_ENUMS(WindowOrder)
    00074 public:
    00075     enum AreaOption {
    00076         DontMaximizeSubWindowOnActivation = 0x1
    00077     };
    00078     Q_DECLARE_FLAGS(AreaOptions, AreaOption)
    00079
    00080     enum WindowOrder {
    00081         CreationOrder,
    00082         StackingOrder,
    00083         ActivationHistoryOrder
    00084     };
    00085
    00086     enum ViewMode {
    00087         SubWindowView,
    00088         TabbedView
    00089     };
    00090
    00091     QMdiArea(QWidget *parent = 0);
    00092     ~QMdiArea();
    00093
    00094     QSize sizeHint() const;
    00095     QSize minimumSizeHint() const;
    00096
    00097     QMdiSubWindow *currentSubWindow() const;
    00098     QMdiSubWindow *activeSubWindow() const;
    00099     QList<QMdiSubWindow *> subWindowList(WindowOrder order = CreationOrder) const;
    00100
    00101     QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = 0);
    00102     void removeSubWindow(QWidget *widget);
    00103
    00104     QBrush background() const;
    00105     void setBackground(const QBrush &background);
    00106
    00107     WindowOrder activationOrder() const;
    00108     void setActivationOrder(WindowOrder order);
    00109
    00110     void setOption(AreaOption option, bool on = true);
    00111     bool testOption(AreaOption opton) const;
    00112
    00113     void setViewMode(ViewMode mode);
    00114     ViewMode viewMode() const;
    00115
    00116 #ifndef QT_NO_TABBAR
    00117     bool documentMode() const;
    00118     void setDocumentMode(bool enabled);
    00119 #endif
    00120 #ifndef QT_NO_TABWIDGET
    00121     void setTabShape(QTabWidget::TabShape shape);
    00122     QTabWidget::TabShape tabShape() const;
    00123
    00124     void setTabPosition(QTabWidget::TabPosition position);
    00125     QTabWidget::TabPosition tabPosition() const;
    00126 #endif
    00127
    00128 Q_SIGNALS:
    00129     void subWindowActivated(QMdiSubWindow *);
    00130
    00131 public Q_SLOTS:
    00132     void setActiveSubWindow(QMdiSubWindow *window);
    00133     void tileSubWindows();
    00134     void cascadeSubWindows();
    00135     void closeActiveSubWindow();
    00136     void closeAllSubWindows();
    00137     void activateNextSubWindow();
    00138     void activatePreviousSubWindow();
    00139
    00140 protected Q_SLOTS:
    00141     void setupViewport(QWidget *viewport);
    00142
    00143 protected:
    00144     bool event(QEvent *event);
    00145     bool eventFilter(QObject *object, QEvent *event);
    00146     void paintEvent(QPaintEvent *paintEvent);
    00147     void childEvent(QChildEvent *childEvent);
    00148     void resizeEvent(QResizeEvent *resizeEvent);
    00149     void timerEvent(QTimerEvent *timerEvent);
    00150     void showEvent(QShowEvent *showEvent);
    00151     bool viewportEvent(QEvent *event);
    00152     void scrollContentsBy(int dx, int dy);
    00153
    00154 private:
    00155     Q_DISABLE_COPY(QMdiArea)
    00156     Q_DECLARE_PRIVATE(QMdiArea)
    00157     Q_PRIVATE_SLOT(d_func(), void _q_deactivateAllWindows())
    00158     Q_PRIVATE_SLOT(d_func(), void _q_processWindowStateChanged(Qt::WindowStates, Qt::WindowStates))
    00159     Q_PRIVATE_SLOT(d_func(), void _q_currentTabChanged(int index))
    00160 };
    00161
    00162 Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiArea::AreaOptions)
    00163
    00164 QT_END_NAMESPACE
    00165
    00166 QT_END_HEADER
    00167
    00168 #endif // QT_NO_MDIAREA
    00169 #endif // QMDIAREA_H