420 lines
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HTML
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<h1 class="title">pictureflow.h Example File</h1>
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<span class="small-subtitle">demos/embedded/fluidlauncher/pictureflow.h</span>
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<!-- $$$demos/embedded/fluidlauncher/pictureflow.h-description -->
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<div class="descr"> <a name="details"></a>
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<pre class="cpp"> <span class="comment">/****************************************************************************
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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 ActiveQt framework of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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**
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****************************************************************************/</span>
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<span class="comment">/*
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ORIGINAL COPYRIGHT HEADER
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PictureFlow - animated image show widget
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http://pictureflow.googlecode.com
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Copyright (C) 2007 Ariya Hidayat (ariya@kde.org)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
|
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/</span>
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<span class="preprocessor">#ifndef PICTUREFLOW_H</span>
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<span class="preprocessor">#define PICTUREFLOW_H</span>
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<span class="preprocessor">#include <QWidget></span>
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<span class="keyword">class</span> PictureFlowPrivate;
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<span class="comment">/*!
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Class PictureFlow implements an image show widget with animation effect
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like Apple's CoverFlow (in iTunes and iPod). Images are arranged in form
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of slides, one main slide is shown at the center with few slides on
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the left and right sides of the center slide. When the next or previous
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slide is brought to the front, the whole slides flow to the right or
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the right with smooth animation effect; until the new slide is finally
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placed at the center.
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*/</span>
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<span class="keyword">class</span> PictureFlow : <span class="keyword">public</span> <span class="type"><a href="qwidget.html">QWidget</a></span>
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{
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Q_OBJECT
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Q_PROPERTY(<span class="type">int</span> slideCount READ slideCount WRITE setSlideCount)
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Q_PROPERTY(<span class="type">int</span> currentSlide READ currentSlide WRITE setCurrentSlide)
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Q_PROPERTY(<span class="type"><a href="qsize.html">QSize</a></span> slideSize READ slideSize WRITE setSlideSize)
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Q_PROPERTY(<span class="type">int</span> zoomFactor READ zoomFactor WRITE setZoomFactor)
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<span class="keyword">public</span>:
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<span class="comment">/*!
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Creates a new PictureFlow widget.
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*/</span>
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PictureFlow(<span class="type"><a href="qwidget.html">QWidget</a></span><span class="operator">*</span> parent <span class="operator">=</span> <span class="number">0</span>);
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<span class="comment">/*!
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Destroys the widget.
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*/</span>
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<span class="operator">~</span>PictureFlow();
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<span class="comment">/*!
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Returns the total number of slides.
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*/</span>
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<span class="type">int</span> slideCount() <span class="keyword">const</span>;
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<span class="comment">/*!
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Sets the total number of slides.
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*/</span>
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<span class="type">void</span> setSlideCount(<span class="type">int</span> count);
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<span class="comment">/*!
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Returns the dimension of each slide (in pixels).
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*/</span>
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<span class="type"><a href="qsize.html">QSize</a></span> slideSize() <span class="keyword">const</span>;
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|
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<span class="comment">/*!
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Sets the dimension of each slide (in pixels).
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*/</span>
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<span class="type">void</span> setSlideSize(<span class="type"><a href="qsize.html">QSize</a></span> size);
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|
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<span class="comment">/*!
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Sets the zoom factor (in percent).
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*/</span>
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<span class="type">void</span> setZoomFactor(<span class="type">int</span> zoom);
|
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|
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<span class="comment">/*!
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|
Returns the zoom factor (in percent).
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|
*/</span>
|
|
<span class="type">int</span> zoomFactor() <span class="keyword">const</span>;
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|
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<span class="comment">/*!
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Clears any caches held to free up memory
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*/</span>
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<span class="type">void</span> clearCaches();
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<span class="comment">/*!
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Returns QImage of specified slide.
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This function will be called only whenever necessary, e.g. the 100th slide
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will not be retrived when only the first few slides are visible.
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*/</span>
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<span class="keyword">virtual</span> <span class="type"><a href="qimage.html">QImage</a></span> slide(<span class="type">int</span> index) <span class="keyword">const</span>;
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<span class="comment">/*!
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Sets an image for specified slide. If the slide already exists,
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it will be replaced.
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*/</span>
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<span class="keyword">virtual</span> <span class="type">void</span> setSlide(<span class="type">int</span> index<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qimage.html">QImage</a></span><span class="operator">&</span> image);
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<span class="keyword">virtual</span> <span class="type">void</span> setSlideCaption(<span class="type">int</span> index<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span> caption);
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<span class="comment">/*!
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Sets a pixmap for specified slide. If the slide already exists,
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it will be replaced.
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*/</span>
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<span class="keyword">virtual</span> <span class="type">void</span> setSlide(<span class="type">int</span> index<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qpixmap.html">QPixmap</a></span><span class="operator">&</span> pixmap);
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<span class="comment">/*!
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|
Returns the index of slide currently shown in the middle of the viewport.
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*/</span>
|
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<span class="type">int</span> currentSlide() <span class="keyword">const</span>;
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<span class="keyword">public</span> <span class="keyword">slots</span>:
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<span class="comment">/*!
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Sets slide to be shown in the middle of the viewport. No animation
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effect will be produced, unlike using showSlide.
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*/</span>
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<span class="type">void</span> setCurrentSlide(<span class="type">int</span> index);
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<span class="comment">/*!
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Clears images of all slides.
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*/</span>
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<span class="type">void</span> clear();
|
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|
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<span class="comment">/*!
|
|
Rerender the widget. Normally this function will be automatically invoked
|
|
whenever necessary, e.g. during the transition animation.
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|
*/</span>
|
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<span class="type">void</span> render();
|
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|
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<span class="comment">/*!
|
|
Shows previous slide using animation effect.
|
|
*/</span>
|
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<span class="type">void</span> showPrevious();
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|
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<span class="comment">/*!
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Shows next slide using animation effect.
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*/</span>
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<span class="type">void</span> showNext();
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|
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<span class="comment">/*!
|
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Go to specified slide using animation effect.
|
|
*/</span>
|
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<span class="type">void</span> showSlide(<span class="type">int</span> index);
|
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|
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<span class="keyword">signals</span>:
|
|
<span class="type">void</span> itemActivated(<span class="type">int</span> index);
|
|
<span class="type">void</span> inputReceived();
|
|
|
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<span class="keyword">protected</span>:
|
|
<span class="type">void</span> paintEvent(<span class="type"><a href="qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event);
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<span class="type">void</span> keyPressEvent(<span class="type"><a href="qkeyevent.html">QKeyEvent</a></span><span class="operator">*</span> event);
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|
<span class="type">void</span> mouseMoveEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span><span class="operator">*</span> event);
|
|
<span class="type">void</span> mousePressEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span><span class="operator">*</span> event);
|
|
<span class="type">void</span> mouseReleaseEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span><span class="operator">*</span> event);
|
|
<span class="type">void</span> resizeEvent(<span class="type"><a href="qresizeevent.html">QResizeEvent</a></span><span class="operator">*</span> event);
|
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<span class="type">void</span> timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span><span class="operator">*</span> event);
|
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|
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<span class="keyword">private</span>:
|
|
PictureFlowPrivate<span class="operator">*</span> d;
|
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};
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|
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<span class="preprocessor">#endif // PICTUREFLOW_H</span></pre>
|
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</div>
|
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<!-- @@@demos/embedded/fluidlauncher/pictureflow.h -->
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</div>
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</div>
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<span></span>
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</div>
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</div>
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<div class="footer">
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<p>
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<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
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Documentation contributions included herein are the copyrights of
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their respective owners.</p>
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<br />
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<p>
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The documentation provided herein is licensed under the terms of the
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<a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation
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License version 1.3</a> as published by the Free Software Foundation.</p>
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<p>
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