<?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.cpp Example File | Qt Widgets 5.12.2</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="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-graphicsview-weatheranchorlayout-example.html">Weather Anchor Layout Example</a></td><td >main.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.2 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.cpp Example File</h1> <span class="subtitle">graphicsview/weatheranchorlayout/main.cpp</span> <!-- $$$graphicsview/weatheranchorlayout/main.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QLabel></span> <span class="preprocessor">#include <QPainter></span> <span class="preprocessor">#include <QPushButton></span> <span class="preprocessor">#include <QGraphicsAnchorLayout></span> <span class="preprocessor">#include <QGraphicsProxyWidget></span> <span class="preprocessor">#include <QGraphicsScene></span> <span class="preprocessor">#include <QGraphicsSceneResizeEvent></span> <span class="preprocessor">#include <QGraphicsView></span> <span class="preprocessor">#include <QGraphicsWidget></span> <span class="keyword">class</span> GraphicsView : <span class="keyword">public</span> <span class="type"><a href="qgraphicsview.html">QGraphicsView</a></span> { <span class="keyword">public</span>: GraphicsView(<span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span> <span class="operator">*</span>scene<span class="operator">,</span> <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span> <span class="operator">*</span>widget) : <span class="type"><a href="qgraphicsview.html">QGraphicsView</a></span>(scene)<span class="operator">,</span> w(widget) { } <span class="type">void</span> resizeEvent(<span class="type"><a href="../qtgui/qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>event) override { w<span class="operator">-</span><span class="operator">></span>setGeometry(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> event<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>width()<span class="operator">,</span> event<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>height()); } <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span> <span class="operator">*</span>w; }; <span class="keyword">class</span> PixmapWidget : <span class="keyword">public</span> <span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span> { <span class="keyword">public</span>: PixmapWidget(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> <span class="operator">&</span>pix) : <span class="type"><a href="qgraphicslayoutitem.html">QGraphicsLayoutItem</a></span>() { original <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgraphicspixmapitem.html">QGraphicsPixmapItem</a></span>(pix); setGraphicsItem(original); original<span class="operator">-</span><span class="operator">></span>show(); r <span class="operator">=</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span>(<span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">,</span> pix<span class="operator">.</span>size()); } <span class="operator">~</span>PixmapWidget() { setGraphicsItem(<span class="number">0</span>); <span class="keyword">delete</span> original; } <span class="type">void</span> setZValue(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> z) { original<span class="operator">-</span><span class="operator">></span>setZValue(z); } <span class="type">void</span> setGeometry (<span class="keyword">const</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> <span class="operator">&</span>rect) override { original<span class="operator">-</span><span class="operator">></span>setTransform(<span class="type"><a href="../qtgui/qtransform.html">QTransform</a></span><span class="operator">::</span>fromScale(rect<span class="operator">.</span>width() <span class="operator">/</span> r<span class="operator">.</span>width()<span class="operator">,</span> rect<span class="operator">.</span>height() <span class="operator">/</span> r<span class="operator">.</span>height())<span class="operator">,</span> <span class="keyword">true</span>); original<span class="operator">-</span><span class="operator">></span>setPos(rect<span class="operator">.</span>x()<span class="operator">,</span> rect<span class="operator">.</span>y()); r <span class="operator">=</span> rect; } <span class="keyword">protected</span>: <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span> sizeHint(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>SizeHint which<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span> <span class="operator">&</span>constraint <span class="operator">=</span> <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>()) <span class="keyword">const</span> override { Q_UNUSED(constraint); <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span> sh; <span class="keyword">switch</span> (which) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>MinimumSize: sh <span class="operator">=</span> <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>PreferredSize: sh <span class="operator">=</span> <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">50</span><span class="operator">,</span> <span class="number">50</span>); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>MaximumSize: sh <span class="operator">=</span> <span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(QWIDGETSIZE_MAX<span class="operator">,</span> QWIDGETSIZE_MAX); <span class="keyword">break</span>; <span class="keyword">default</span>: <span class="keyword">break</span>; } <span class="keyword">return</span> sh; } <span class="keyword">private</span>: <span class="type"><a href="qgraphicspixmapitem.html">QGraphicsPixmapItem</a></span> <span class="operator">*</span>original; <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> r; }; <span class="keyword">class</span> PlaceWidget : <span class="keyword">public</span> <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span> { Q_OBJECT <span class="keyword">public</span>: PlaceWidget(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> <span class="operator">&</span>pix) : <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span>() <span class="operator">,</span> original(pix) <span class="operator">,</span> scaled(pix) { } <span class="type">void</span> paint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstyleoptiongraphicsitem.html">QStyleOptionGraphicsItem</a></span> <span class="operator">*</span><span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>) override { <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> reflection <span class="operator">=</span> <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>(); reflection<span class="operator">.</span>setY(scaled<span class="operator">.</span>height() <span class="operator">+</span> <span class="number">2</span>); painter<span class="operator">-</span><span class="operator">></span>drawPixmap(<span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>()<span class="operator">,</span> scaled); <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> tmp(scaled<span class="operator">.</span>size()); tmp<span class="operator">.</span>fill(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>transparent); <span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> p(<span class="operator">&</span>tmp); <span class="comment">// create gradient</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> p1(scaled<span class="operator">.</span>width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> p2(scaled<span class="operator">.</span>width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> scaled<span class="operator">.</span>height()); <span class="type"><a href="../qtgui/qlineargradient.html">QLinearGradient</a></span> linearGrad(p1<span class="operator">,</span> p2); linearGrad<span class="operator">.</span>setColorAt(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)); linearGrad<span class="operator">.</span>setColorAt(<span class="number">0.65</span><span class="operator">,</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">127</span>)); linearGrad<span class="operator">.</span>setColorAt(<span class="number">1</span><span class="operator">,</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">255</span>)); <span class="comment">// apply 'mask'</span> p<span class="operator">.</span>setBrush(linearGrad); p<span class="operator">.</span>fillRect(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> tmp<span class="operator">.</span>width()<span class="operator">,</span> tmp<span class="operator">.</span>height()<span class="operator">,</span> <span class="type"><a href="../qtgui/qbrush.html">QBrush</a></span>(linearGrad)); p<span class="operator">.</span>fillRect(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> tmp<span class="operator">.</span>width()<span class="operator">,</span> tmp<span class="operator">.</span>height()<span class="operator">,</span> <span class="type"><a href="../qtgui/qbrush.html">QBrush</a></span>(linearGrad)); <span class="comment">// paint the image flipped</span> p<span class="operator">.</span>setCompositionMode(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span><span class="operator">::</span>CompositionMode_DestinationOver); p<span class="operator">.</span>drawPixmap(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span><span class="operator">::</span>fromImage(scaled<span class="operator">.</span>toImage()<span class="operator">.</span>mirrored(<span class="keyword">false</span><span class="operator">,</span> <span class="keyword">true</span>))); p<span class="operator">.</span>end(); painter<span class="operator">-</span><span class="operator">></span>drawPixmap(reflection<span class="operator">,</span> tmp); } <span class="type">void</span> resizeEvent(<span class="type"><a href="qgraphicssceneresizeevent.html">QGraphicsSceneResizeEvent</a></span> <span class="operator">*</span>event) override { <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> newSize <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>newSize()<span class="operator">.</span>toSize(); newSize<span class="operator">.</span>setHeight(newSize<span class="operator">.</span>height() <span class="operator">/</span> <span class="number">2</span>); scaled <span class="operator">=</span> original<span class="operator">.</span>scaled(newSize); } <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> boundingRect() <span class="keyword">const</span> override { <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> size(scaled<span class="operator">.</span>width()<span class="operator">,</span> scaled<span class="operator">.</span>height() <span class="operator">*</span> <span class="number">2</span> <span class="operator">+</span> <span class="number">2</span>); <span class="keyword">return</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span>(<span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">,</span> size); } <span class="keyword">private</span>: <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> original; <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> scaled; }; <span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span>argv<span class="operator">[</span><span class="operator">]</span>) { Q_INIT_RESOURCE(weatheranchorlayout); <span class="type"><a href="qapplication.html">QApplication</a></span> app(argc<span class="operator">,</span> argv); <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span> scene; scene<span class="operator">.</span>setSceneRect(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">800</span><span class="operator">,</span> <span class="number">480</span>); <span class="comment">// pixmaps widgets</span> PixmapWidget <span class="operator">*</span>title <span class="operator">=</span> <span class="keyword">new</span> PixmapWidget(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/title.jpg"</span>)); PlaceWidget <span class="operator">*</span>place <span class="operator">=</span> <span class="keyword">new</span> PlaceWidget(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/place.jpg"</span>)); PixmapWidget <span class="operator">*</span>details <span class="operator">=</span> <span class="keyword">new</span> PixmapWidget(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/5days.jpg"</span>)); PixmapWidget <span class="operator">*</span>sunnyWeather <span class="operator">=</span> <span class="keyword">new</span> PixmapWidget(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/weather-few-clouds.png"</span>)); PixmapWidget <span class="operator">*</span>tabbar <span class="operator">=</span> <span class="keyword">new</span> PixmapWidget(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/tabbar.jpg"</span>)); <span class="comment">// setup sizes</span> title<span class="operator">-</span><span class="operator">></span>setPreferredSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">348</span><span class="operator">,</span> <span class="number">45</span>)); title<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum); place<span class="operator">-</span><span class="operator">></span>setPreferredSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">96</span><span class="operator">,</span> <span class="number">72</span>)); place<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum); details<span class="operator">-</span><span class="operator">></span>setMinimumSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">200</span><span class="operator">,</span> <span class="number">112</span>)); details<span class="operator">-</span><span class="operator">></span>setPreferredSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">200</span><span class="operator">,</span> <span class="number">112</span>)); details<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum); tabbar<span class="operator">-</span><span class="operator">></span>setPreferredSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">70</span><span class="operator">,</span> <span class="number">24</span>)); tabbar<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum); sunnyWeather<span class="operator">-</span><span class="operator">></span>setPreferredSize(<span class="type"><a href="../qtcore/qsizef.html">QSizeF</a></span>(<span class="number">128</span><span class="operator">,</span> <span class="number">97</span>)); sunnyWeather<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Minimum); sunnyWeather<span class="operator">-</span><span class="operator">></span>setZValue(<span class="number">9999</span>); <span class="comment">// start anchor layout</span> <span class="type"><a href="qgraphicsanchorlayout.html">QGraphicsAnchorLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgraphicsanchorlayout.html">QGraphicsAnchorLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">0</span>); <span class="comment">// setup the main widget</span> <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span> <span class="operator">*</span>widget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgraphicswidget.html">QGraphicsWidget</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Window); <span class="type"><a href="../qtgui/qpalette.html">QPalette</a></span> p; p<span class="operator">.</span>setColor(<span class="type"><a href="../qtgui/qpalette.html">QPalette</a></span><span class="operator">::</span>Window<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>black); widget<span class="operator">-</span><span class="operator">></span>setPalette(p); widget<span class="operator">-</span><span class="operator">></span>setPos(<span class="number">20</span><span class="operator">,</span> <span class="number">20</span>); widget<span class="operator">-</span><span class="operator">></span>setLayout(layout); <span class="comment">// vertical anchors</span> <span class="type"><a href="qgraphicsanchor.html">QGraphicsAnchor</a></span> <span class="operator">*</span>anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(place<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop<span class="operator">,</span> title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">12</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(place<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">12</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(sunnyWeather<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop<span class="operator">,</span> title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(sunnyWeather<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorVerticalCenter); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(tabbar<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop<span class="operator">,</span> title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">5</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(details<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorTop<span class="operator">,</span> tabbar<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">2</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(details<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorBottom); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">12</span>); <span class="comment">// horizontal anchors</span> anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft<span class="operator">,</span> title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(title<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(place<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">15</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(place<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight<span class="operator">,</span> details<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft); anchor<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">35</span>); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(sunnyWeather<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorLeft<span class="operator">,</span> place<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorHorizontalCenter); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(sunnyWeather<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorHorizontalCenter); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(tabbar<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorHorizontalCenter<span class="operator">,</span> details<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorHorizontalCenter); anchor <span class="operator">=</span> layout<span class="operator">-</span><span class="operator">></span>addAnchor(details<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight<span class="operator">,</span> layout<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AnchorRight); <span class="comment">// QGV setup</span> scene<span class="operator">.</span>addItem(widget); scene<span class="operator">.</span>setBackgroundBrush(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>white); <span class="type"><a href="qgraphicsview.html">QGraphicsView</a></span> <span class="operator">*</span>view <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgraphicsview.html">QGraphicsView</a></span>(<span class="operator">&</span>scene); view<span class="operator">-</span><span class="operator">></span>show(); <span class="keyword">return</span> app<span class="operator">.</span>exec(); } <span class="preprocessor">#include "main.moc"</span> </pre> </div> <!-- @@@graphicsview/weatheranchorlayout/main.cpp --> </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>