<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qtquickcontrols2-indicators.qdoc --> <title>Indicator Controls | Qt Quick Controls 2 5.11</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 ><a href="../qtdoc/index.html">Qt 5.11</a></td><td ><a href="qtquickcontrols2-index.html">Qt Quick Controls 2</a></td><td >Indicator Controls</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.11.2 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#busyindicator-control">BusyIndicator Control</a></li> <li class="level1"><a href="#pageindicator-control">PageIndicator Control</a></li> <li class="level1"><a href="#progressbar-control">ProgressBar Control</a></li> <li class="level1"><a href="#scrollbar-control">ScrollBar Control</a></li> <li class="level1"><a href="#scrollindicator-control">ScrollIndicator Control</a></li> <li class="level1"><a href="#related-information">Related Information</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Indicator Controls</h1> <span class="subtitle"></span> <!-- $$$qtquickcontrols2-indicators.html-description --> <div class="descr"> <a name="details"></a> <p>Qt Quick Controls 2 offers a selection of indicator-like controls.</p> <div class="table"><table class="annotated"> <tr class="odd topAlign"><td class="tblName"><p><a href="qml-qtquick-controls2-busyindicator.html">BusyIndicator</a></p></td><td class="tblDescr"><p>Indicates background activity, for example, while content is being loaded</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qml-qtquick-controls2-pageindicator.html">PageIndicator</a></p></td><td class="tblDescr"><p>Indicates the currently active page</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qml-qtquick-controls2-progressbar.html">ProgressBar</a></p></td><td class="tblDescr"><p>Indicates the progress of an operation</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qml-qtquick-controls2-scrollbar.html">ScrollBar</a></p></td><td class="tblDescr"><p>Vertical or horizontal interactive scroll bar</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qml-qtquick-controls2-scrollindicator.html">ScrollIndicator</a></p></td><td class="tblDescr"><p>Vertical or horizontal non-interactive scroll indicator</p></td></tr> </table></div> <p>Each type of indicator has its own specific target use case. The following sections offer guidelines for choosing the appropriate type of indicator, depending on the use case.</p> <a name="busyindicator-control"></a> <h2 id="busyindicator-control">BusyIndicator Control</h2> <p class="centerAlign"><img src="images/qtquickcontrols2-busyindicator.png" alt="" /></p><p><a href="qml-qtquick-controls2-busyindicator.html">BusyIndicator</a> can be used to show that an operation is in progress, and that the UI has to wait for the operation to complete.</p> <a name="pageindicator-control"></a> <h2 id="pageindicator-control">PageIndicator Control</h2> <p class="centerAlign"><img src="images/qtquickcontrols2-pageindicator.png" alt="" /></p><p><a href="qml-qtquick-controls2-pageindicator.html">PageIndicator</a> is used to indicate the currently active page in a container of multiple pages.</p> <a name="progressbar-control"></a> <h2 id="progressbar-control">ProgressBar Control</h2> <p class="centerAlign"><img src="images/qtquickcontrols2-progressbar.gif" alt="" /></p><p><a href="qml-qtquick-controls2-progressbar.html">ProgressBar</a> indicates the progress of an operation. The value should be updated regularly.</p> <a name="scrollbar-control"></a> <h2 id="scrollbar-control">ScrollBar Control</h2> <p class="centerAlign"><img src="images/qtquickcontrols2-scrollbar.gif" alt="" /></p><p><a href="qml-qtquick-controls2-scrollbar.html">ScrollBar</a> is an interactive bar that indicates the current scroll position, and can be used to scroll to a specific position in a <a href="../qtquick/qml-qtquick-flickable.html">Flickable</a>.</p> <a name="scrollindicator-control"></a> <h2 id="scrollindicator-control">ScrollIndicator Control</h2> <p class="centerAlign"><img src="images/qtquickcontrols2-scrollindicator.gif" alt="" /></p><p><a href="qml-qtquick-controls2-scrollindicator.html">ScrollIndicator</a> is a non-interactive indicator that indicates the current scroll position, and can be used to scroll to a specific position in a <a href="../qtquick/qml-qtquick-flickable.html">Flickable</a>.</p> <a name="related-information"></a> <h2 id="related-information">Related Information</h2> <ul> <li><a href="qtquickcontrols2-guidelines.html">Qt Quick Controls 2 Guidelines</a></li> </ul> </div> <!-- @@@qtquickcontrols2-indicators.html --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2018 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>