summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/gui/graphicsview/functional/GraphicsViewBenchmark/widgets/scrollbar.h
blob: e89e78a2e3f5eba8e3e765be264c15fbd872a364 (plain)
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
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef SCROLLBAR_H
#define SCROLLBAR_H

#include <QGraphicsWidget>
#include <QPixmap>

class ScrollBarPrivate;

class ScrollBar : public QGraphicsWidget
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(ScrollBar)

public:

    ScrollBar(Qt::Orientation orientation, QGraphicsWidget *parent=0);
    virtual ~ScrollBar();

public:

    bool sliderDown() const;
    qreal sliderPosition() const;
    qreal sliderSize() const;
    void setSliderSize(const qreal s);

signals:

    void sliderPressed();

    void sliderPositionChange(qreal position);

public slots:

    void setSliderPosition(qreal pos);
    void themeChange();

private:

    void paint(QPainter *painter, 
        const QStyleOptionGraphicsItem *option, 
        QWidget *widget);

    QSizeF sizeHint(Qt::SizeHint which, 
        const QSizeF &constraint = QSizeF()) const;

    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void resizeEvent(QGraphicsSceneResizeEvent *event);

private:
    Q_DISABLE_COPY(ScrollBar)
    ScrollBarPrivate *d_ptr;
};

#endif // SCROLLBAR_H