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Diffstat (limited to 'examples/webkitwidgets/scroller/wheel/wheelwidget.h')
-rw-r--r-- | examples/webkitwidgets/scroller/wheel/wheelwidget.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/examples/webkitwidgets/scroller/wheel/wheelwidget.h b/examples/webkitwidgets/scroller/wheel/wheelwidget.h new file mode 100644 index 0000000..77f6c53 --- /dev/null +++ b/examples/webkitwidgets/scroller/wheel/wheelwidget.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WHEELWIDGET_H +#define WHEELWIDGET_H + +#include <QWidget> +#include <QStringList> + +QT_BEGIN_NAMESPACE +class QPainter; +class QRect; +QT_END_NAMESPACE + +class AbstractWheelWidget : public QWidget { + Q_OBJECT + +public: + AbstractWheelWidget(bool touch, QWidget *parent = 0); + virtual ~AbstractWheelWidget(); + + int currentIndex() const; + void setCurrentIndex(int index); + + bool event(QEvent*); + void paintEvent(QPaintEvent *e); + virtual void paintItem(QPainter* painter, int index, const QRect &rect) = 0; + + virtual int itemHeight() const = 0; + virtual int itemCount() const = 0; + +public slots: + void scrollTo(int index); + +signals: + void stopped(int index); + +protected: + int m_currentItem; + int m_itemOffset; // 0-itemHeight() + qreal m_lastY; +}; + + +class StringWheelWidget : public AbstractWheelWidget { + Q_OBJECT + +public: + StringWheelWidget(bool touch); + + QStringList items() const; + void setItems( const QStringList &items ); + + QSize sizeHint() const; + QSize minimumSizeHint() const; + + void paintItem(QPainter* painter, int index, const QRect &rect); + + int itemHeight() const; + int itemCount() const; + +private: + QStringList m_items; +}; + +#endif // WHEELWIDGET_H |