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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTSCROLLAREA_P_H
#define QABSTRACTSCROLLAREA_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qframe_p.h"
#include "qabstractscrollarea.h"
QT_BEGIN_NAMESPACE
#ifndef QT_NO_SCROLLAREA
class QScrollBar;
class QAbstractScrollAreaScrollBarContainer;
class QAbstractScrollAreaPrivate: public QFramePrivate
{
Q_DECLARE_PUBLIC(QAbstractScrollArea)
public:
QAbstractScrollAreaPrivate();
void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation);
QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1];
QScrollBar *hbar, *vbar;
Qt::ScrollBarPolicy vbarpolicy, hbarpolicy;
QWidget *viewport;
QWidget *cornerWidget;
QRect cornerPaintingRect;
#ifdef Q_WS_MAC
QRect reverseCornerPaintingRect;
#endif
int left, top, right, bottom; // viewport margin
int xoffset, yoffset;
void init();
void layoutChildren();
// ### Fix for 4.4, talk to Bjoern E or Girish.
virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy);
void _q_hslide(int);
void _q_vslide(int);
void _q_showOrHideScrollBars();
virtual QPoint contentsOffset() const;
inline bool viewportEvent(QEvent *event)
{ return q_func()->viewportEvent(event); }
QObject *viewportFilter;
};
class QAbstractScrollAreaFilter : public QObject
{
Q_OBJECT
public:
QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p)
{ setObjectName(QLatin1String("qt_abstractscrollarea_filter")); }
bool eventFilter(QObject *o, QEvent *e)
{ return (o == d->viewport ? d->viewportEvent(e) : false); }
private:
QAbstractScrollAreaPrivate *d;
};
class QBoxLayout;
class QAbstractScrollAreaScrollBarContainer : public QWidget
{
public:
enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 };
QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent);
void addWidget(QWidget *widget, LogicalPosition position);
QWidgetList widgets(LogicalPosition position);
void removeWidget(QWidget *widget);
QScrollBar *scrollBar;
QBoxLayout *layout;
private:
int scrollBarLayoutIndex() const;
Qt::Orientation orientation;
};
#endif // QT_NO_SCROLLAREA
QT_END_NAMESPACE
#endif // QABSTRACTSCROLLAREA_P_H
|
