90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef SCROLLBAR_H
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#define SCROLLBAR_H
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#include <QGraphicsWidget>
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#include <QPixmap>
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class ScrollBarPrivate;
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class ScrollBar : public QGraphicsWidget
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(ScrollBar)
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public:
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ScrollBar(Qt::Orientation orientation, QGraphicsWidget *parent=0);
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virtual ~ScrollBar();
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public:
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bool sliderDown() const;
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qreal sliderPosition() const;
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qreal sliderSize() const;
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void setSliderSize(const qreal s);
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signals:
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void sliderPressed();
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void sliderPositionChange(qreal position);
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public slots:
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void setSliderPosition(qreal pos);
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void themeChange();
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private:
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void paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget);
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QSizeF sizeHint(Qt::SizeHint which,
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const QSizeF &constraint = QSizeF()) const;
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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void resizeEvent(QGraphicsSceneResizeEvent *event);
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private:
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Q_DISABLE_COPY(ScrollBar)
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ScrollBarPrivate *d_ptr;
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};
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#endif // SCROLLBAR_H
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