<?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>mainwindow.cpp Example File | Qt Widgets 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="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-mainwindows-mainwindow-example.html">Main Window</a></td><td >mainwindow.cpp 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">mainwindow.cpp Example File</h1> <span class="subtitle">mainwindows/mainwindow/mainwindow.cpp</span> <!-- $$$mainwindows/mainwindow/mainwindow.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 demonstration applications 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 "mainwindow.h"</span> <span class="preprocessor">#include "colorswatch.h"</span> <span class="preprocessor">#include "toolbar.h"</span> <span class="preprocessor">#include <QAction></span> <span class="preprocessor">#include <QLayout></span> <span class="preprocessor">#include <QMenu></span> <span class="preprocessor">#include <QMenuBar></span> <span class="preprocessor">#include <QStatusBar></span> <span class="preprocessor">#include <QTextEdit></span> <span class="preprocessor">#include <QFile></span> <span class="preprocessor">#include <QDataStream></span> <span class="preprocessor">#include <QFileDialog></span> <span class="preprocessor">#include <QDialogButtonBox></span> <span class="preprocessor">#include <QMessageBox></span> <span class="preprocessor">#include <QSignalMapper></span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QPainter></span> <span class="preprocessor">#include <QMouseEvent></span> <span class="preprocessor">#include <QLineEdit></span> <span class="preprocessor">#include <QComboBox></span> <span class="preprocessor">#include <QLabel></span> <span class="preprocessor">#include <QPushButton></span> <span class="preprocessor">#include <QTextEdit></span> <span class="preprocessor">#include <QDebug></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="type">char</span> message<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> <span class="string">"<p><b>Qt Main Window Example</b></p>"</span> <span class="string">"<p>This is a demonstration of the QMainWindow, QToolBar and "</span> <span class="string">"QDockWidget classes.</p>"</span> <span class="string">"<p>The tool bar and dock widgets can be dragged around and rearranged "</span> <span class="string">"using the mouse or via the menu.</p>"</span> <span class="string">"<p>Each dock widget contains a colored frame and a context "</span> <span class="string">"(right-click) menu.</p>"</span> <span class="preprocessor">#ifdef Q_OS_MAC</span> <span class="string">"<p>On OS X, the \"Black\" dock widget has been created as a "</span> <span class="string">"<em>Drawer</em>, which is a special kind of QDockWidget.</p>"</span> <span class="preprocessor">#endif</span> ; Q_DECLARE_METATYPE(<span class="type"><a href="qdockwidget.html">QDockWidget</a></span><span class="operator">::</span>DockWidgetFeatures) MainWindow<span class="operator">::</span>MainWindow(<span class="keyword">const</span> CustomSizeHintMap <span class="operator">&</span>customSizeHints<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowFlags flags) : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent<span class="operator">,</span> flags) { setObjectName(<span class="string">"MainWindow"</span>); setWindowTitle(<span class="string">"Qt Main Window Example"</span>); <span class="type"><a href="qtextedit.html">QTextEdit</a></span> <span class="operator">*</span>center <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>(<span class="keyword">this</span>); center<span class="operator">-</span><span class="operator">></span>setReadOnly(<span class="keyword">true</span>); center<span class="operator">-</span><span class="operator">></span>setMinimumSize(<span class="number">400</span><span class="operator">,</span> <span class="number">205</span>); setCentralWidget(center); setupToolBar(); setupMenuBar(); setupDockWidgets(customSizeHints); statusBar()<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Status Bar"</span>)); } <span class="type">void</span> MainWindow<span class="operator">::</span>actionTriggered(<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>action) { <a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"action '%s' triggered"</span><span class="operator">,</span> action<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>toLocal8Bit()<span class="operator">.</span>data()); } <span class="type">void</span> MainWindow<span class="operator">::</span>setupToolBar() { <span class="preprocessor">#ifdef Q_OS_OSX</span> setUnifiedTitleAndToolBarOnMac(<span class="keyword">true</span>); <span class="preprocessor">#endif</span> <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">3</span>; <span class="operator">+</span><span class="operator">+</span>i) { ToolBar <span class="operator">*</span>tb <span class="operator">=</span> <span class="keyword">new</span> ToolBar(<span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">"Tool Bar %1"</span>)<span class="operator">.</span>arg(i <span class="operator">+</span> <span class="number">1</span>)<span class="operator">,</span> <span class="keyword">this</span>); toolBars<span class="operator">.</span>append(tb); addToolBar(tb); } } <span class="type">void</span> MainWindow<span class="operator">::</span>setupMenuBar() { <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>menu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&File"</span>)); menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Save layout..."</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>saveLayout); menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Load layout..."</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>loadLayout); menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Switch layout direction"</span>)<span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>switchLayoutDirection); menu<span class="operator">-</span><span class="operator">></span>addSeparator(); menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"&Quit"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qwidget.html">QWidget</a></span><span class="operator">::</span>close); mainWindowMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Main window"</span>)); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Animated docks"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> AnimatedDocks); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Allow nested docks"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> AllowNestedDocks); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Allow tabbed docks"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> AllowTabbedDocks); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Force tabbed docks"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> ForceTabbedDocks); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Vertical tabs"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> VerticalTabs); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); action <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Grouped dragging"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(dockOptions() <span class="operator">&</span> GroupedDragging); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setDockOptions); <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>toolBarMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Tool bars"</span>)); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> toolBars<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) toolBarMenu<span class="operator">-</span><span class="operator">></span>addMenu(toolBars<span class="operator">.</span>at(i)<span class="operator">-</span><span class="operator">></span>toolbarMenu()); <span class="preprocessor">#ifdef Q_OS_OSX</span> toolBarMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); action <span class="operator">=</span> toolBarMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Unified"</span>)); action<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); action<span class="operator">-</span><span class="operator">></span>setChecked(unifiedTitleAndToolBarOnMac()); connect(action<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setUnifiedTitleAndToolBarOnMac); <span class="preprocessor">#endif</span> dockWidgetMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Dock Widgets"</span>)); } <span class="type">void</span> MainWindow<span class="operator">::</span>setDockOptions() { DockOptions opts; <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">*</span><span class="operator">></span> actions <span class="operator">=</span> mainWindowMenu<span class="operator">-</span><span class="operator">></span>actions(); <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> AnimatedDocks; <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> AllowNestedDocks; <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> AllowTabbedDocks; <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> ForceTabbedDocks; <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> VerticalTabs; <span class="keyword">if</span> (actions<span class="operator">.</span>at(<span class="number">5</span>)<span class="operator">-</span><span class="operator">></span>isChecked()) opts <span class="operator">|</span><span class="operator">=</span> GroupedDragging; <span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setDockOptions(opts); } <span class="type">void</span> MainWindow<span class="operator">::</span>saveLayout() { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> fileName <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getSaveFileName(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Save layout"</span>)); <span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty()) <span class="keyword">return</span>; <span class="type"><a href="../qtcore/qfile.html">QFile</a></span> file(fileName); <span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="../qtcore/qfile.html">QFile</a></span><span class="operator">::</span>WriteOnly)) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> msg <span class="operator">=</span> tr(<span class="string">"Failed to open %1\n%2"</span>) <span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qdir.html">QDir</a></span><span class="operator">::</span>toNativeSeparators(fileName)<span class="operator">,</span> file<span class="operator">.</span>errorString()); <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>warning(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Error"</span>)<span class="operator">,</span> msg); <span class="keyword">return</span>; } <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> geo_data <span class="operator">=</span> saveGeometry(); <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> layout_data <span class="operator">=</span> saveState(); bool ok <span class="operator">=</span> file<span class="operator">.</span>putChar((<span class="type"><a href="../qtcore/qtglobal.html#uchar-typedef">uchar</a></span>)geo_data<span class="operator">.</span>size()); <span class="keyword">if</span> (ok) ok <span class="operator">=</span> file<span class="operator">.</span>write(geo_data) <span class="operator">=</span><span class="operator">=</span> geo_data<span class="operator">.</span>size(); <span class="keyword">if</span> (ok) ok <span class="operator">=</span> file<span class="operator">.</span>write(layout_data) <span class="operator">=</span><span class="operator">=</span> layout_data<span class="operator">.</span>size(); <span class="keyword">if</span> (<span class="operator">!</span>ok) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> msg <span class="operator">=</span> tr(<span class="string">"Error writing to %1\n%2"</span>) <span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qdir.html">QDir</a></span><span class="operator">::</span>toNativeSeparators(fileName)<span class="operator">,</span> file<span class="operator">.</span>errorString()); <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>warning(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Error"</span>)<span class="operator">,</span> msg); <span class="keyword">return</span>; } } <span class="type">void</span> MainWindow<span class="operator">::</span>loadLayout() { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> fileName <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getOpenFileName(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Load layout"</span>)); <span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty()) <span class="keyword">return</span>; <span class="type"><a href="../qtcore/qfile.html">QFile</a></span> file(fileName); <span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="../qtcore/qfile.html">QFile</a></span><span class="operator">::</span>ReadOnly)) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> msg <span class="operator">=</span> tr(<span class="string">"Failed to open %1\n%2"</span>) <span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qdir.html">QDir</a></span><span class="operator">::</span>toNativeSeparators(fileName)<span class="operator">,</span> file<span class="operator">.</span>errorString()); <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>warning(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Error"</span>)<span class="operator">,</span> msg); <span class="keyword">return</span>; } <span class="type"><a href="../qtcore/qtglobal.html#uchar-typedef">uchar</a></span> geo_size; <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> geo_data; <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> layout_data; bool ok <span class="operator">=</span> file<span class="operator">.</span>getChar((<span class="type">char</span><span class="operator">*</span>)<span class="operator">&</span>geo_size); <span class="keyword">if</span> (ok) { geo_data <span class="operator">=</span> file<span class="operator">.</span>read(geo_size); ok <span class="operator">=</span> geo_data<span class="operator">.</span>size() <span class="operator">=</span><span class="operator">=</span> geo_size; } <span class="keyword">if</span> (ok) { layout_data <span class="operator">=</span> file<span class="operator">.</span>readAll(); ok <span class="operator">=</span> layout_data<span class="operator">.</span>size() <span class="operator">></span> <span class="number">0</span>; } <span class="keyword">if</span> (ok) ok <span class="operator">=</span> restoreGeometry(geo_data); <span class="keyword">if</span> (ok) ok <span class="operator">=</span> restoreState(layout_data); <span class="keyword">if</span> (<span class="operator">!</span>ok) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> msg <span class="operator">=</span> tr(<span class="string">"Error reading %1"</span>)<span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qdir.html">QDir</a></span><span class="operator">::</span>toNativeSeparators(fileName)); <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>warning(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Error"</span>)<span class="operator">,</span> msg); <span class="keyword">return</span>; } } <span class="keyword">static</span> <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>addCornerAction(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>text<span class="operator">,</span> <span class="type"><a href="qmainwindow.html">QMainWindow</a></span> <span class="operator">*</span>mw<span class="operator">,</span> <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>menu<span class="operator">,</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span> <span class="operator">*</span>group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Corner c<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DockWidgetArea a) { <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>result <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(text<span class="operator">,</span> mw<span class="operator">,</span> <span class="operator">[</span><span class="operator">=</span><span class="operator">]</span>() { mw<span class="operator">-</span><span class="operator">></span>setCorner(c<span class="operator">,</span> a); }); result<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); group<span class="operator">-</span><span class="operator">></span>addAction(result); <span class="keyword">return</span> result; } <span class="type">void</span> MainWindow<span class="operator">::</span>setupDockWidgets(<span class="keyword">const</span> CustomSizeHintMap <span class="operator">&</span>customSizeHints) { <a href="../qtcore/qmetatype.html#qRegisterMetaType-1">qRegisterMetaType</a><span class="operator"><</span><span class="type"><a href="qdockwidget.html">QDockWidget</a></span><span class="operator">::</span>DockWidgetFeatures<span class="operator">></span>(); <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>cornerMenu <span class="operator">=</span> dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Top left corner"</span>)); <span class="type"><a href="qactiongroup.html">QActionGroup</a></span> <span class="operator">*</span>group <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span>(<span class="keyword">this</span>); group<span class="operator">-</span><span class="operator">></span>setExclusive(<span class="keyword">true</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>cornerAction <span class="operator">=</span> addCornerAction(tr(<span class="string">"Top dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopLeftCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea); cornerAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); addCornerAction(tr(<span class="string">"Left dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopLeftCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea); cornerMenu <span class="operator">=</span> dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Top right corner"</span>)); group <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span>(<span class="keyword">this</span>); group<span class="operator">-</span><span class="operator">></span>setExclusive(<span class="keyword">true</span>); cornerAction <span class="operator">=</span> addCornerAction(tr(<span class="string">"Top dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopRightCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea); cornerAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); addCornerAction(tr(<span class="string">"Right dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopRightCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea); cornerMenu <span class="operator">=</span> dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Bottom left corner"</span>)); group <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span>(<span class="keyword">this</span>); group<span class="operator">-</span><span class="operator">></span>setExclusive(<span class="keyword">true</span>); cornerAction <span class="operator">=</span> addCornerAction(tr(<span class="string">"Bottom dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomLeftCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea); cornerAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); addCornerAction(tr(<span class="string">"Left dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomLeftCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea); cornerMenu <span class="operator">=</span> dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Bottom right corner"</span>)); group <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span>(<span class="keyword">this</span>); group<span class="operator">-</span><span class="operator">></span>setExclusive(<span class="keyword">true</span>); cornerAction <span class="operator">=</span> addCornerAction(tr(<span class="string">"Bottom dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomRightCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea); cornerAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); addCornerAction(tr(<span class="string">"Right dock area"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> cornerMenu<span class="operator">,</span> group<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomRightCorner<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea); dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct</span> Set { <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span> name; <span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> flags; <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DockWidgetArea area; } sets <span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="preprocessor">#ifndef Q_OS_MAC</span> { <span class="string">"Black"</span><span class="operator">,</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>LeftDockWidgetArea }<span class="operator">,</span> <span class="preprocessor">#else</span> { <span class="string">"Black"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Drawer<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea }<span class="operator">,</span> <span class="preprocessor">#endif</span> { <span class="string">"White"</span><span class="operator">,</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>RightDockWidgetArea }<span class="operator">,</span> { <span class="string">"Red"</span><span class="operator">,</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>TopDockWidgetArea }<span class="operator">,</span> { <span class="string">"Green"</span><span class="operator">,</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>TopDockWidgetArea }<span class="operator">,</span> { <span class="string">"Blue"</span><span class="operator">,</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>BottomDockWidgetArea }<span class="operator">,</span> { <span class="string">"Yellow"</span><span class="operator">,</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>BottomDockWidgetArea } }; <span class="keyword">const</span> <span class="type">int</span> setCount <span class="operator">=</span> <span class="keyword">sizeof</span>(sets) <span class="operator">/</span> <span class="keyword">sizeof</span>(Set); <span class="keyword">const</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span> qtIcon(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/res/qt.png"</span>)); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> setCount; <span class="operator">+</span><span class="operator">+</span>i) { ColorSwatch <span class="operator">*</span>swatch <span class="operator">=</span> <span class="keyword">new</span> ColorSwatch(tr(sets<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>name)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowFlags(sets<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>flags)); <span class="keyword">if</span> (i <span class="operator">%</span> <span class="number">2</span>) swatch<span class="operator">-</span><span class="operator">></span>setWindowIcon(qtIcon); <span class="keyword">if</span> (qstrcmp(sets<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>name<span class="operator">,</span> <span class="string">"Blue"</span>) <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) { BlueTitleBar <span class="operator">*</span>titlebar <span class="operator">=</span> <span class="keyword">new</span> BlueTitleBar(swatch); swatch<span class="operator">-</span><span class="operator">></span>setTitleBarWidget(titlebar); connect(swatch<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdockwidget.html">QDockWidget</a></span><span class="operator">::</span>topLevelChanged<span class="operator">,</span> titlebar<span class="operator">,</span> <span class="operator">&</span>BlueTitleBar<span class="operator">::</span>updateMask); connect(swatch<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdockwidget.html">QDockWidget</a></span><span class="operator">::</span>featuresChanged<span class="operator">,</span> titlebar<span class="operator">,</span> <span class="operator">&</span>BlueTitleBar<span class="operator">::</span>updateMask<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>QueuedConnection); } <span class="type"><a href="../qtcore/qstring.html">QString</a></span> name <span class="operator">=</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(sets<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>name); <span class="keyword">if</span> (customSizeHints<span class="operator">.</span>contains(name)) swatch<span class="operator">-</span><span class="operator">></span>setCustomSizeHint(customSizeHints<span class="operator">.</span>value(name)); addDockWidget(sets<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>area<span class="operator">,</span> swatch); dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(swatch<span class="operator">-</span><span class="operator">></span>colorSwatchMenu()); } destroyDockWidgetMenu <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qmenu.html">QMenu</a></span>(tr(<span class="string">"Destroy dock widget"</span>)<span class="operator">,</span> <span class="keyword">this</span>); destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); connect(destroyDockWidgetMenu<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qmenu.html">QMenu</a></span><span class="operator">::</span>triggered<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>destroyDockWidget); dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Add dock widget..."</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>createDockWidget); dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(destroyDockWidgetMenu); } <span class="type">void</span> MainWindow<span class="operator">::</span>switchLayoutDirection() { <span class="keyword">if</span> (layoutDirection() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftToRight) <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setLayoutDirection(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>RightToLeft); <span class="keyword">else</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setLayoutDirection(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftToRight); } <span class="keyword">class</span> CreateDockWidgetDialog : <span class="keyword">public</span> <span class="type"><a href="qdialog.html">QDialog</a></span> { <span class="keyword">public</span>: <span class="keyword">explicit</span> CreateDockWidgetDialog(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> Q_NULLPTR); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> enteredObjectName() <span class="keyword">const</span> { <span class="keyword">return</span> m_objectName<span class="operator">-</span><span class="operator">></span>text(); } <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DockWidgetArea location() <span class="keyword">const</span>; <span class="keyword">private</span>: <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>m_objectName; <span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>m_location; }; CreateDockWidgetDialog<span class="operator">::</span>CreateDockWidgetDialog(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qdialog.html">QDialog</a></span>(parent) <span class="operator">,</span> m_objectName(<span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(<span class="keyword">this</span>)) <span class="operator">,</span> m_location(<span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>(<span class="keyword">this</span>)) { setWindowTitle(tr(<span class="string">"Add Dock Widget"</span>)); setWindowFlags(windowFlags() <span class="operator">&</span> <span class="operator">~</span><span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowContextHelpButtonHint); <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>(<span class="keyword">this</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Object name:"</span>))<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(m_objectName<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Location:"</span>))<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); m_location<span class="operator">-</span><span class="operator">></span>setEditable(<span class="keyword">false</span>); m_location<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Top"</span>)); m_location<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Left"</span>)); m_location<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Right"</span>)); m_location<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Bottom"</span>)); m_location<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Restore"</span>)); layout<span class="operator">-</span><span class="operator">></span>addWidget(m_location<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); <span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span> <span class="operator">*</span>buttonBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span>(<span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>Ok <span class="operator">|</span> <span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>Cancel<span class="operator">,</span> <span class="keyword">this</span>); connect(buttonBox<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>rejected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>reject); connect(buttonBox<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>accepted<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>accept); layout<span class="operator">-</span><span class="operator">></span>addWidget(buttonBox<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); } <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DockWidgetArea CreateDockWidgetDialog<span class="operator">::</span>location() <span class="keyword">const</span> { <span class="keyword">switch</span> (m_location<span class="operator">-</span><span class="operator">></span>currentIndex()) { <span class="keyword">case</span> <span class="number">0</span>: <span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea; <span class="keyword">case</span> <span class="number">1</span>: <span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea; <span class="keyword">case</span> <span class="number">2</span>: <span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea; <span class="keyword">case</span> <span class="number">3</span>: <span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea; <span class="keyword">default</span>: <span class="keyword">break</span>; } <span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>NoDockWidgetArea; } <span class="type">void</span> MainWindow<span class="operator">::</span>createDockWidget() { CreateDockWidgetDialog dialog(<span class="keyword">this</span>); <span class="keyword">if</span> (dialog<span class="operator">.</span>exec() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>Rejected) <span class="keyword">return</span>; <span class="type"><a href="qdockwidget.html">QDockWidget</a></span> <span class="operator">*</span>dw <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdockwidget.html">QDockWidget</a></span>; <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> name <span class="operator">=</span> dialog<span class="operator">.</span>enteredObjectName(); dw<span class="operator">-</span><span class="operator">></span>setObjectName(name); dw<span class="operator">-</span><span class="operator">></span>setWindowTitle(name); dw<span class="operator">-</span><span class="operator">></span>setWidget(<span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>); <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DockWidgetArea area <span class="operator">=</span> dialog<span class="operator">.</span>location(); <span class="keyword">switch</span> (area) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea: addDockWidget(area<span class="operator">,</span> dw); <span class="keyword">break</span>; <span class="keyword">default</span>: <span class="keyword">if</span> (<span class="operator">!</span>restoreDockWidget(dw)) { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>warning(<span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>()<span class="operator">,</span> tr(<span class="string">"Failed to restore dock widget"</span>)); <span class="keyword">delete</span> dw; <span class="keyword">return</span>; } <span class="keyword">break</span>; } extraDockWidgets<span class="operator">.</span>append(dw); destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>addAction(<span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(name<span class="operator">,</span> <span class="keyword">this</span>)); } <span class="type">void</span> MainWindow<span class="operator">::</span>destroyDockWidget(<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>action) { <span class="type">int</span> index <span class="operator">=</span> destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>actions()<span class="operator">.</span>indexOf(action); <span class="keyword">delete</span> extraDockWidgets<span class="operator">.</span>takeAt(index); destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>removeAction(action); action<span class="operator">-</span><span class="operator">></span>deleteLater(); <span class="keyword">if</span> (destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>isEmpty()) destroyDockWidgetMenu<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); } </pre> </div> <!-- @@@mainwindows/mainwindow/mainwindow.cpp --> </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>