This file is indexed.

/usr/include/qt4/QtGui/qmdiarea.h is in libqt4-dev 4:4.8.7+dfsg-7ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMDIAREA_H
#define QMDIAREA_H

#include <QtGui/qabstractscrollarea.h>
#include <QtGui/qtabwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_MDIAREA

class QMdiSubWindow;

class QMdiAreaPrivate;
class Q_GUI_EXPORT QMdiArea : public QAbstractScrollArea
{
    Q_OBJECT
    Q_ENUMS(ViewMode)
    Q_PROPERTY(QBrush background READ background WRITE setBackground)
    Q_PROPERTY(WindowOrder activationOrder READ activationOrder WRITE setActivationOrder)
    Q_PROPERTY(ViewMode viewMode READ viewMode WRITE setViewMode)
#ifndef QT_NO_TABBAR
    Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)
    Q_PROPERTY(bool tabsClosable READ tabsClosable WRITE setTabsClosable)
    Q_PROPERTY(bool tabsMovable READ tabsMovable WRITE setTabsMovable)
#endif
#ifndef QT_NO_TABWIDGET
    Q_PROPERTY(QTabWidget::TabShape tabShape READ tabShape WRITE setTabShape)
    Q_PROPERTY(QTabWidget::TabPosition tabPosition READ tabPosition WRITE setTabPosition)
#endif
    Q_ENUMS(WindowOrder)
public:
    enum AreaOption {
        DontMaximizeSubWindowOnActivation = 0x1
    };
    Q_DECLARE_FLAGS(AreaOptions, AreaOption)

    enum WindowOrder {
        CreationOrder,
        StackingOrder,
        ActivationHistoryOrder
    };

    enum ViewMode {
        SubWindowView,
        TabbedView
    };

    QMdiArea(QWidget *parent = 0);
    ~QMdiArea();

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    QMdiSubWindow *currentSubWindow() const;
    QMdiSubWindow *activeSubWindow() const;
    QList<QMdiSubWindow *> subWindowList(WindowOrder order = CreationOrder) const;

    QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = 0);
    void removeSubWindow(QWidget *widget);

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

    WindowOrder activationOrder() const;
    void setActivationOrder(WindowOrder order);

    void setOption(AreaOption option, bool on = true);
    bool testOption(AreaOption opton) const;

    void setViewMode(ViewMode mode);
    ViewMode viewMode() const;

#ifndef QT_NO_TABBAR
    bool documentMode() const;
    void setDocumentMode(bool enabled);

    void setTabsClosable(bool closable);
    bool tabsClosable() const;

    void setTabsMovable(bool movable);
    bool tabsMovable() const;
#endif
#ifndef QT_NO_TABWIDGET
    void setTabShape(QTabWidget::TabShape shape);
    QTabWidget::TabShape tabShape() const;

    void setTabPosition(QTabWidget::TabPosition position);
    QTabWidget::TabPosition tabPosition() const;
#endif

Q_SIGNALS:
    void subWindowActivated(QMdiSubWindow *);

public Q_SLOTS:
    void setActiveSubWindow(QMdiSubWindow *window);
    void tileSubWindows();
    void cascadeSubWindows();
    void closeActiveSubWindow();
    void closeAllSubWindows();
    void activateNextSubWindow();
    void activatePreviousSubWindow();

protected Q_SLOTS:
    void setupViewport(QWidget *viewport);

protected:
    bool event(QEvent *event);
    bool eventFilter(QObject *object, QEvent *event);
    void paintEvent(QPaintEvent *paintEvent);
    void childEvent(QChildEvent *childEvent);
    void resizeEvent(QResizeEvent *resizeEvent);
    void timerEvent(QTimerEvent *timerEvent);
    void showEvent(QShowEvent *showEvent);
    bool viewportEvent(QEvent *event);
    void scrollContentsBy(int dx, int dy);

private:
    Q_DISABLE_COPY(QMdiArea)
    Q_DECLARE_PRIVATE(QMdiArea)
    Q_PRIVATE_SLOT(d_func(), void _q_deactivateAllWindows())
    Q_PRIVATE_SLOT(d_func(), void _q_processWindowStateChanged(Qt::WindowStates, Qt::WindowStates))
    Q_PRIVATE_SLOT(d_func(), void _q_currentTabChanged(int))
    Q_PRIVATE_SLOT(d_func(), void _q_closeTab(int))
    Q_PRIVATE_SLOT(d_func(), void _q_moveTab(int, int))
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiArea::AreaOptions)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_MDIAREA
#endif // QMDIAREA_H