/**************************************************************************** ** ** 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 #include 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