<?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>main.qml Example File | Qt Wayland Compositor 5.12.6</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 5.12</td><td ><a href="qtwaylandcompositor-index.html">Qt Wayland Compositor</a></td><td ><a href="qtwaylandcompositor-spanning-screens-example.html">Qt Wayland Compositor Examples - Spanning Screens</a></td><td >main.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwaylandcompositor-index.html">Qt 5.12.6 Reference Documentation</a></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">main.qml Example File</h1> <span class="subtitle">spanning-screens/main.qml</span> <!-- $$$spanning-screens/main.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> /**************************************************************************** ** ** Copyright (C) 2018 The Qt Company Ltd. ** Contact: http://www.qt-project.org/legal ** ** This file is part of the examples 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.6 import QtQuick.Window 2.3 import QtWayland.Compositor 1.3 WaylandCompositor { WaylandOutput { sizeFollowsWindow: true window: Window { id: topSurfaceArea property int pixelHeight: screen.devicePixelRatio * height property int pixelWidth: screen.devicePixelRatio * width width: 1024 height: 768 visible: true color: "#1337af" Text { text: "Top screen" } // Enable the following to make the output target an actual screen, // for example when running on eglfs in a multi-display embedded system. // screen: Qt.application.screens[0] } } WaylandOutput { sizeFollowsWindow: true window: Window { id: bottomSurfaceArea property int pixelHeight: screen.devicePixelRatio * height property int pixelWidth: screen.devicePixelRatio * width width: 1024 height: 768 visible: true color: "#1abacc" Text { text: "Bottom screen" } // Enable the following to make the output target an actual screen, // for example when running on eglfs in a multi-display embedded system. // screen: Qt.application.screens[1] } } Component { id: chromeComponent ShellSurfaceItem { autoCreatePopupItems: true onSurfaceDestroyed: destroy() } } XdgShell { onToplevelCreated: { const shellSurface = xdgSurface; const topItem = chromeComponent.createObject(topSurfaceArea, { shellSurface }); const bottomItem = chromeComponent.createObject(bottomSurfaceArea, { shellSurface, y: Qt.binding(function() { return -topSurfaceArea.height;}) }); const height = topSurfaceArea.pixelHeight + bottomSurfaceArea.pixelHeight; const width = Math.max(bottomSurfaceArea.pixelWidth, topSurfaceArea.pixelWidth); const size = Qt.size(width, height); toplevel.sendFullscreen(size); } } } </pre> </div> <!-- @@@spanning-screens/main.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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