<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>PhotoDelegate.qml Example File | Qt Quick 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-demos-photoviewer-example.html">Qt Quick Demo - Photo Viewer</a></td><td >PhotoDelegate.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">PhotoDelegate.qml Example File</h1> <span class="subtitle">demos/photoviewer/PhotoViewerCore/PhotoDelegate.qml</span> <!-- $$$demos/photoviewer/PhotoViewerCore/PhotoDelegate.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> import QtQuick 2.0 import "script/script.js" as Script <span class="type">Package</span> { <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">stackItem</span>; <span class="name">Package</span>.name: <span class="string">'stack'</span>; <span class="name">width</span>: <span class="number">160</span>; <span class="name">height</span>: <span class="number">153</span>; <span class="name">z</span>: <span class="name">stackItem</span>.<span class="name">PathView</span>.<span class="name">z</span> } <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">listItem</span>; <span class="name">Package</span>.name: <span class="string">'list'</span>; <span class="name">width</span>: <span class="name">mainWindow</span>.<span class="name">width</span> <span class="operator">+</span> <span class="number">40</span>; <span class="name">height</span>: <span class="number">153</span> } <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">gridItem</span>; <span class="name">Package</span>.name: <span class="string">'grid'</span>; <span class="name">width</span>: <span class="number">160</span>; <span class="name">height</span>: <span class="number">153</span> } <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">width</span>: <span class="number">160</span>; <span class="name">height</span>: <span class="number">153</span> <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">photoWrapper</span> property <span class="type">double</span> <span class="name">randomAngle</span>: <span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> (<span class="number">2</span> <span class="operator">*</span> <span class="number">6</span> <span class="operator">+</span> <span class="number">1</span>) <span class="operator">-</span> <span class="number">6</span> property <span class="type">double</span> <span class="name">randomAngle2</span>: <span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> (<span class="number">2</span> <span class="operator">*</span> <span class="number">6</span> <span class="operator">+</span> <span class="number">1</span>) <span class="operator">-</span> <span class="number">6</span> <span class="name">x</span>: <span class="number">0</span>; <span class="name">y</span>: <span class="number">0</span>; <span class="name">width</span>: <span class="number">140</span>; <span class="name">height</span>: <span class="number">133</span> <span class="name">z</span>: <span class="name">stackItem</span>.<span class="name">PathView</span>.<span class="name">z</span>; <span class="name">rotation</span>: <span class="name">photoWrapper</span>.<span class="name">randomAngle</span> <span class="type"><a href="qml-qtquick-borderimage.html">BorderImage</a></span> { <span class="type">anchors</span> { <span class="name">fill</span>: <span class="name">originalImage</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Image</span>.<span class="name">Ready</span> ? <span class="name">border</span> : <span class="name">placeHolder</span> <span class="name">leftMargin</span>: -<span class="number">6</span>; <span class="name">topMargin</span>: -<span class="number">6</span>; <span class="name">rightMargin</span>: -<span class="number">8</span>; <span class="name">bottomMargin</span>: -<span class="number">8</span> } <span class="name">source</span>: <span class="string">'images/box-shadow.png'</span> <span class="name">border</span>.left: <span class="number">10</span>; <span class="name">border</span>.top: <span class="number">10</span>; <span class="name">border</span>.right: <span class="number">10</span>; <span class="name">border</span>.bottom: <span class="number">10</span> } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">placeHolder</span> property <span class="type">int</span> <span class="name">w</span>: <span class="name">Script</span>.<span class="name">getWidth</span>(<span class="name">content</span>) property <span class="type">int</span> <span class="name">h</span>: <span class="name">Script</span>.<span class="name">getHeight</span>(<span class="name">content</span>) property <span class="type">double</span> <span class="name">s</span>: <span class="name">Script</span>.<span class="name">calculateScale</span>(<span class="name">w</span>, <span class="name">h</span>, <span class="name">photoWrapper</span>.<span class="name">width</span>) <span class="name">color</span>: <span class="string">'white'</span>; <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">antialiasing</span>: <span class="number">true</span> <span class="name">width</span>: <span class="name">w</span> <span class="operator">*</span> <span class="name">s</span>; <span class="name">height</span>: <span class="name">h</span> <span class="operator">*</span> <span class="name">s</span>; <span class="name">visible</span>: <span class="name">originalImage</span>.<span class="name">status</span> <span class="operator">!=</span> <span class="name">Image</span>.<span class="name">Ready</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#878787"</span>; <span class="name">antialiasing</span>: <span class="number">true</span> <span class="type">anchors</span> { <span class="name">fill</span>: <span class="name">parent</span>; <span class="name">topMargin</span>: <span class="number">3</span>; <span class="name">bottomMargin</span>: <span class="number">3</span>; <span class="name">leftMargin</span>: <span class="number">3</span>; <span class="name">rightMargin</span>: <span class="number">3</span> } } } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">border</span>; <span class="name">color</span>: <span class="string">'white'</span>; <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">antialiasing</span>: <span class="number">true</span> <span class="name">width</span>: <span class="name">originalImage</span>.<span class="name">paintedWidth</span> <span class="operator">+</span> <span class="number">6</span>; <span class="name">height</span>: <span class="name">originalImage</span>.<span class="name">paintedHeight</span> <span class="operator">+</span> <span class="number">6</span> <span class="name">visible</span>: !<span class="name">placeHolder</span>.<span class="name">visible</span> } <span class="type">BusyIndicator</span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">on</span>: <span class="name">originalImage</span>.<span class="name">status</span> <span class="operator">!=</span> <span class="name">Image</span>.<span class="name">Ready</span> } <span class="type"><a href="qml-qtquick-image.html">Image</a></span> { <span class="name">id</span>: <span class="name">originalImage</span>; <span class="name">antialiasing</span>: <span class="number">true</span>; <span class="name">source</span>: <span class="string">"http://"</span> <span class="operator">+</span> <span class="name">Script</span>.<span class="name">getImagePath</span>(<span class="name">content</span>); <span class="name">cache</span>: <span class="number">false</span> <span class="name">fillMode</span>: <span class="name">Image</span>.<span class="name">PreserveAspectFit</span>; <span class="name">width</span>: <span class="name">photoWrapper</span>.<span class="name">width</span>; <span class="name">height</span>: <span class="name">photoWrapper</span>.<span class="name">height</span> } <span class="type"><a href="qml-qtquick-image.html">Image</a></span> { <span class="name">id</span>: <span class="name">hqImage</span>; <span class="name">antialiasing</span>: <span class="number">true</span>; <span class="name">source</span>: <span class="string">""</span>; <span class="name">visible</span>: <span class="number">false</span>; <span class="name">cache</span>: <span class="number">false</span> <span class="name">fillMode</span>: <span class="name">Image</span>.<span class="name">PreserveAspectFit</span>; <span class="name">width</span>: <span class="name">photoWrapper</span>.<span class="name">width</span>; <span class="name">height</span>: <span class="name">photoWrapper</span>.<span class="name">height</span> } <span class="type">Binding</span> { <span class="name">target</span>: <span class="name">mainWindow</span>; <span class="name">property</span>: <span class="string">"downloadProgress"</span>; <span class="name">value</span>: <span class="name">hqImage</span>.<span class="name">progress</span> <span class="name">when</span>: <span class="name">listItem</span>.<span class="name">ListView</span>.<span class="name">isCurrentItem</span> } <span class="type">Binding</span> { <span class="name">target</span>: <span class="name">mainWindow</span>; <span class="name">property</span>: <span class="string">"imageLoading"</span> <span class="name">value</span>: (<span class="name">hqImage</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Image</span>.<span class="name">Loading</span>) ? <span class="number">1</span> : <span class="number">0</span>; <span class="name">when</span>: <span class="name">listItem</span>.<span class="name">ListView</span>.<span class="name">isCurrentItem</span> } <span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> { <span class="name">width</span>: <span class="name">originalImage</span>.<span class="name">paintedWidth</span>; <span class="name">height</span>: <span class="name">originalImage</span>.<span class="name">paintedHeight</span>; <span class="name">anchors</span>.centerIn: <span class="name">originalImage</span> <span class="name">onClicked</span>: { <span class="keyword">if</span> (<span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">'inGrid'</span>) { <span class="name">gridItem</span>.<span class="name">GridView</span>.<span class="name">view</span>.<span class="name">currentIndex</span> <span class="operator">=</span> <span class="name">index</span>; <span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">'fullscreen'</span> } <span class="keyword">else</span> { <span class="name">gridItem</span>.<span class="name">GridView</span>.<span class="name">view</span>.<span class="name">currentIndex</span> <span class="operator">=</span> <span class="name">index</span>; <span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">'inGrid'</span> } } } <span class="name">states</span>: [ <span class="type"><a href="qml-qtquick-state.html">State</a></span> { <span class="name">name</span>: <span class="string">'stacked'</span>; <span class="name">when</span>: <span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">''</span> <span class="type"><a href="qml-qtquick-parentchange.html">ParentChange</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">parent</span>: <span class="name">stackItem</span>; <span class="name">x</span>: <span class="number">10</span>; <span class="name">y</span>: <span class="number">10</span> } <span class="type"><a href="qml-qtquick-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">opacity</span>: <span class="name">stackItem</span>.<span class="name">PathView</span>.<span class="name">onPath</span> ? <span class="number">1.0</span> : <span class="number">0.0</span> } }, <span class="type"><a href="qml-qtquick-state.html">State</a></span> { <span class="name">name</span>: <span class="string">'inGrid'</span>; <span class="name">when</span>: <span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">'inGrid'</span> <span class="type"><a href="qml-qtquick-parentchange.html">ParentChange</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">parent</span>: <span class="name">gridItem</span>; <span class="name">x</span>: <span class="number">10</span>; <span class="name">y</span>: <span class="number">10</span>; <span class="name">rotation</span>: <span class="name">photoWrapper</span>.<span class="name">randomAngle2</span> } }, <span class="type"><a href="qml-qtquick-state.html">State</a></span> { <span class="name">name</span>: <span class="string">'fullscreen'</span>; <span class="name">when</span>: <span class="name">albumWrapper</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">'fullscreen'</span> <span class="type"><a href="qml-qtquick-parentchange.html">ParentChange</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">parent</span>: <span class="name">listItem</span>; <span class="name">x</span>: <span class="number">0</span>; <span class="name">y</span>: <span class="number">0</span>; <span class="name">rotation</span>: <span class="number">0</span> <span class="name">width</span>: <span class="name">mainWindow</span>.<span class="name">width</span>; <span class="name">height</span>: <span class="name">mainWindow</span>.<span class="name">height</span> } <span class="type"><a href="qml-qtquick-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">border</span>; <span class="name">opacity</span>: <span class="number">0</span> } <span class="type"><a href="qml-qtquick-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">hqImage</span>; <span class="name">source</span>: <span class="name">listItem</span>.<span class="name">ListView</span>.<span class="name">isCurrentItem</span> ? <span class="name">hq</span> : <span class="string">""</span>; <span class="name">visible</span>: <span class="number">true</span> } } ] <span class="name">transitions</span>: [ <span class="type"><a href="qml-qtquick-transition.html">Transition</a></span> { <span class="name">from</span>: <span class="string">'stacked'</span>; <span class="name">to</span>: <span class="string">'inGrid'</span> <span class="type"><a href="qml-qtquick-sequentialanimation.html">SequentialAnimation</a></span> { <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">10</span> <span class="operator">*</span> <span class="name">index</span> } <span class="type"><a href="qml-qtquick-parentanimation.html">ParentAnimation</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">via</span>: <span class="name">foreground</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">properties</span>: <span class="string">'x,y,rotation,opacity'</span>; <span class="name">duration</span>: <span class="number">600</span>; <span class="name">easing</span>.type: <span class="string">'OutQuart'</span> } } } }, <span class="type"><a href="qml-qtquick-transition.html">Transition</a></span> { <span class="name">from</span>: <span class="string">'inGrid'</span>; <span class="name">to</span>: <span class="string">'stacked'</span> <span class="type"><a href="qml-qtquick-parentanimation.html">ParentAnimation</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">via</span>: <span class="name">foreground</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">properties</span>: <span class="string">'x,y,rotation,opacity'</span>; <span class="name">duration</span>: <span class="number">600</span>; <span class="name">easing</span>.type: <span class="string">'OutQuart'</span> } } }, <span class="type"><a href="qml-qtquick-transition.html">Transition</a></span> { <span class="name">from</span>: <span class="string">'inGrid'</span>; <span class="name">to</span>: <span class="string">'fullscreen'</span> <span class="type"><a href="qml-qtquick-sequentialanimation.html">SequentialAnimation</a></span> { <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="name">gridItem</span>.<span class="name">GridView</span>.<span class="name">isCurrentItem</span> ? <span class="number">0</span> : <span class="number">600</span> } <span class="type"><a href="qml-qtquick-parentanimation.html">ParentAnimation</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">via</span>: <span class="name">foreground</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">targets</span>: [ <span class="name">photoWrapper</span>, <span class="name">border</span> ] <span class="name">properties</span>: <span class="string">'x,y,width,height,opacity,rotation'</span> <span class="name">duration</span>: <span class="name">gridItem</span>.<span class="name">GridView</span>.<span class="name">isCurrentItem</span> ? <span class="number">600</span> : <span class="number">1</span>; <span class="name">easing</span>.type: <span class="string">'OutQuart'</span> } } } }, <span class="type"><a href="qml-qtquick-transition.html">Transition</a></span> { <span class="name">from</span>: <span class="string">'fullscreen'</span>; <span class="name">to</span>: <span class="string">'inGrid'</span> <span class="type"><a href="qml-qtquick-parentanimation.html">ParentAnimation</a></span> { <span class="name">target</span>: <span class="name">photoWrapper</span>; <span class="name">via</span>: <span class="name">foreground</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">targets</span>: [ <span class="name">photoWrapper</span>, <span class="name">border</span> ] <span class="name">properties</span>: <span class="string">'x,y,width,height,rotation,opacity'</span> <span class="name">duration</span>: <span class="name">gridItem</span>.<span class="name">GridView</span>.<span class="name">isCurrentItem</span> ? <span class="number">600</span> : <span class="number">1</span>; <span class="name">easing</span>.type: <span class="string">'OutQuart'</span> } } } ] } } } </pre> </div> <!-- @@@demos/photoviewer/PhotoViewerCore/PhotoDelegate.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>