<?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>window.h 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-qwindow-compositor-example.html">Qt Wayland Compositor Examples - QWindow Compositor</a></td><td >window.h 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">window.h Example File</h1> <span class="subtitle">qwindow-compositor/window.h</span> <!-- $$$qwindow-compositor/window.h-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Wayland module ** ** $QT_BEGIN_LICENSE:BSD$ ** 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> <span class="preprocessor">#ifndef COMPOSITORWINDOW_H</span> <span class="preprocessor">#define COMPOSITORWINDOW_H</span> <span class="preprocessor">#include <QOpenGLWindow></span> <span class="preprocessor">#include <QPointer></span> <span class="preprocessor">#include <QOpenGLTextureBlitter></span> <span class="keyword">class</span> Compositor; <span class="keyword">class</span> View; <span class="keyword">class</span> <span class="type">QOpenGLTexture</span>; <span class="keyword">class</span> Window : <span class="keyword">public</span> <span class="type">QOpenGLWindow</span> { <span class="keyword">public</span>: Window(); <span class="type">void</span> setCompositor(Compositor <span class="operator">*</span>comp); <span class="keyword">protected</span>: <span class="type">void</span> initializeGL() override; <span class="type">void</span> paintGL() override; <span class="type">void</span> mousePressEvent(<span class="type">QMouseEvent</span> <span class="operator">*</span>e) override; <span class="type">void</span> mouseReleaseEvent(<span class="type">QMouseEvent</span> <span class="operator">*</span>e) override; <span class="type">void</span> mouseMoveEvent(<span class="type">QMouseEvent</span> <span class="operator">*</span>e) override; <span class="type">void</span> keyPressEvent(<span class="type">QKeyEvent</span> <span class="operator">*</span>e) override; <span class="type">void</span> keyReleaseEvent(<span class="type">QKeyEvent</span> <span class="operator">*</span>e) override; <span class="keyword">private</span> <span class="keyword">slots</span>: <span class="type">void</span> startMove(); <span class="type">void</span> startResize(<span class="type">int</span> edge<span class="operator">,</span> bool anchored); <span class="type">void</span> startDrag(View <span class="operator">*</span>dragIcon); <span class="keyword">private</span>: <span class="keyword">enum</span> GrabState { NoGrab<span class="operator">,</span> MoveGrab<span class="operator">,</span> ResizeGrab<span class="operator">,</span> DragGrab }; View <span class="operator">*</span>viewAt(<span class="keyword">const</span> <span class="type">QPointF</span> <span class="operator">&</span>point); bool mouseGrab() <span class="keyword">const</span> { <span class="keyword">return</span> m_grabState <span class="operator">!</span><span class="operator">=</span> NoGrab ;} <span class="type">void</span> drawBackground(); <span class="type">void</span> sendMouseEvent(<span class="type">QMouseEvent</span> <span class="operator">*</span>e<span class="operator">,</span> View <span class="operator">*</span>target); <span class="keyword">static</span> <span class="type">QPointF</span> getAnchoredPosition(<span class="keyword">const</span> <span class="type">QPointF</span> <span class="operator">&</span>anchorPosition<span class="operator">,</span> <span class="type">int</span> resizeEdge<span class="operator">,</span> <span class="keyword">const</span> <span class="type">QSize</span> <span class="operator">&</span>windowSize); <span class="keyword">static</span> <span class="type">QPointF</span> getAnchorPosition(<span class="keyword">const</span> <span class="type">QPointF</span> <span class="operator">&</span>position<span class="operator">,</span> <span class="type">int</span> resizeEdge<span class="operator">,</span> <span class="keyword">const</span> <span class="type">QSize</span> <span class="operator">&</span>windowSize); <span class="type">QOpenGLTextureBlitter</span> m_textureBlitter; <span class="type">QSize</span> m_backgroundImageSize; <span class="type">QOpenGLTexture</span> <span class="operator">*</span>m_backgroundTexture <span class="operator">=</span> nullptr; Compositor <span class="operator">*</span>m_compositor <span class="operator">=</span> nullptr; <span class="type">QPointer</span><span class="operator"><</span>View<span class="operator">></span> m_mouseView; GrabState m_grabState <span class="operator">=</span> NoGrab; <span class="type">QSize</span> m_initialSize; <span class="type">int</span> m_resizeEdge; bool m_resizeAnchored; <span class="type">QPointF</span> m_resizeAnchorPosition; <span class="type">QPointF</span> m_mouseOffset; <span class="type">QPointF</span> m_initialMousePos; View <span class="operator">*</span>m_dragIconView <span class="operator">=</span> nullptr; }; <span class="preprocessor">#endif // COMPOSITORWINDOW_H</span> </pre> </div> <!-- @@@qwindow-compositor/window.h --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 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>