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Diffstat (limited to 'examples/svg/embedded/fluidlauncher/pictureflow.h')
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diff --git a/examples/svg/embedded/fluidlauncher/pictureflow.h b/examples/svg/embedded/fluidlauncher/pictureflow.h new file mode 100644 index 0000000..13e676b --- /dev/null +++ b/examples/svg/embedded/fluidlauncher/pictureflow.h @@ -0,0 +1,217 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the ActiveQt framework 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." +** +** $QT_END_LICENSE$ +** +** +****************************************************************************/ + +/* + ORIGINAL COPYRIGHT HEADER + PictureFlow - animated image show widget + http://pictureflow.googlecode.com + + Copyright (C) 2007 Ariya Hidayat (ariya@kde.org) + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#ifndef PICTUREFLOW_H +#define PICTUREFLOW_H + +#include <QWidget> + +class PictureFlowPrivate; + +/*! + Class PictureFlow implements an image show widget with animation effect + like Apple's CoverFlow (in iTunes and iPod). Images are arranged in form + of slides, one main slide is shown at the center with few slides on + the left and right sides of the center slide. When the next or previous + slide is brought to the front, the whole slides flow to the right or + the right with smooth animation effect; until the new slide is finally + placed at the center. + + */ +class PictureFlow : public QWidget +{ +Q_OBJECT + + Q_PROPERTY(int slideCount READ slideCount WRITE setSlideCount) + Q_PROPERTY(int currentSlide READ currentSlide WRITE setCurrentSlide) + Q_PROPERTY(QSize slideSize READ slideSize WRITE setSlideSize) + Q_PROPERTY(int zoomFactor READ zoomFactor WRITE setZoomFactor) + +public: + /*! + Creates a new PictureFlow widget. + */ + PictureFlow(QWidget* parent = 0); + + /*! + Destroys the widget. + */ + ~PictureFlow(); + + /*! + Returns the total number of slides. + */ + int slideCount() const; + + /*! + Sets the total number of slides. + */ + void setSlideCount(int count); + + /*! + Returns the dimension of each slide (in pixels). + */ + QSize slideSize() const; + + /*! + Sets the dimension of each slide (in pixels). + */ + void setSlideSize(QSize size); + + /*! + Sets the zoom factor (in percent). + */ + void setZoomFactor(int zoom); + + /*! + Returns the zoom factor (in percent). + */ + int zoomFactor() const; + + /*! + Clears any caches held to free up memory + */ + void clearCaches(); + + /*! + Returns QImage of specified slide. + This function will be called only whenever necessary, e.g. the 100th slide + will not be retrived when only the first few slides are visible. + */ + virtual QImage slide(int index) const; + + /*! + Sets an image for specified slide. If the slide already exists, + it will be replaced. + */ + virtual void setSlide(int index, const QImage& image); + + virtual void setSlideCaption(int index, QString caption); + + /*! + Sets a pixmap for specified slide. If the slide already exists, + it will be replaced. + */ + virtual void setSlide(int index, const QPixmap& pixmap); + + /*! + Returns the index of slide currently shown in the middle of the viewport. + */ + int currentSlide() const; + +public slots: + + /*! + Sets slide to be shown in the middle of the viewport. No animation + effect will be produced, unlike using showSlide. + */ + void setCurrentSlide(int index); + + /*! + Clears images of all slides. + */ + void clear(); + + /*! + Rerender the widget. Normally this function will be automatically invoked + whenever necessary, e.g. during the transition animation. + */ + void render(); + + /*! + Shows previous slide using animation effect. + */ + void showPrevious(); + + /*! + Shows next slide using animation effect. + */ + void showNext(); + + /*! + Go to specified slide using animation effect. + */ + void showSlide(int index); + +signals: + void itemActivated(int index); + void inputReceived(); + +protected: + void paintEvent(QPaintEvent *event); + void keyPressEvent(QKeyEvent* event); + void mouseMoveEvent(QMouseEvent* event); + void mousePressEvent(QMouseEvent* event); + void mouseReleaseEvent(QMouseEvent* event); + void resizeEvent(QResizeEvent* event); + void timerEvent(QTimerEvent* event); + +private: + PictureFlowPrivate* d; +}; + +#endif // PICTUREFLOW_H |