<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Qt 4.8: mainwindow.cpp Example File (demos/mainwindow/mainwindow.cpp)</title>
<link rel="stylesheet" type="text/css" href="style/style.css" />
<script src="scripts/jquery.js" type="text/javascript"></script>
<script src="scripts/functions.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="style/superfish.css" />
<link rel="stylesheet" type="text/css" href="style/narrow.css" />
<!--[if IE]>
<meta name="MSSmartTagsPreventParsing" content="true">
<meta http-equiv="imagetoolbar" content="no">
<![endif]-->
<!--[if lt IE 7]>
<link rel="stylesheet" type="text/css" href="style/style_ie6.css">
<![endif]-->
<!--[if IE 7]>
<link rel="stylesheet" type="text/css" href="style/style_ie7.css">
<![endif]-->
<!--[if IE 8]>
<link rel="stylesheet" type="text/css" href="style/style_ie8.css">
<![endif]-->
<script src="scripts/superfish.js" type="text/javascript"></script>
<script src="scripts/narrow.js" type="text/javascript"></script>
</head>
<body class="" onload="CheckEmptyAndLoadList();">
<div class="header" id="qtdocheader">
<div class="content">
<div id="nav-logo">
<a href="index.html">Home</a></div>
<a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a>
<div id="narrowsearch"></div>
<div id="nav-topright">
<ul>
<li class="nav-topright-home"><a href="http://qt.digia.com/">Qt HOME</a></li>
<li class="nav-topright-dev"><a href="http://qt-project.org/">DEV</a></li>
<li class="nav-topright-doc nav-topright-doc-active"><a href="http://qt-project.org/doc/">
DOC</a></li>
<li class="nav-topright-blog"><a href="http://blog.qt.digia.com/">BLOG</a></li>
</ul>
</div>
<div id="shortCut">
<ul>
<li class="shortCut-topleft-inactive"><span><a href="index.html">Qt 4.8</a></span></li>
<li class="shortCut-topleft-active"><a href="http://qt-project.org/doc/">ALL VERSIONS </a></li>
</ul>
</div>
<ul class="sf-menu" id="narrowmenu">
<li><a href="#">API Lookup</a>
<ul>
<li><a href="classes.html">Class index</a></li>
<li><a href="functions.html">Function index</a></li>
<li><a href="modules.html">Modules</a></li>
<li><a href="namespaces.html">Namespaces</a></li>
<li><a href="qtglobal.html">Global Declarations</a></li>
<li><a href="qdeclarativeelements.html">QML elements</a></li>
</ul>
</li>
<li><a href="#">Qt Topics</a>
<ul>
<li><a href="qt-basic-concepts.html">Programming with Qt</a></li>
<li><a href="qtquick.html">Device UIs & Qt Quick</a></li>
<li><a href="qt-gui-concepts.html">UI Design with Qt</a></li>
<li><a href="supported-platforms.html">Supported Platforms</a></li>
<li><a href="technology-apis.html">Qt and Key Technologies</a></li>
<li><a href="best-practices.html">How-To's and Best Practices</a></li>
</ul>
</li>
<li><a href="#">Examples</a>
<ul>
<li><a href="all-examples.html">Examples</a></li>
<li><a href="tutorials.html">Tutorials</a></li>
<li><a href="demos.html">Demos</a></li>
<li><a href="qdeclarativeexamples.html">QML Examples</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div class="wrapper">
<div class="hd">
<span></span>
</div>
<div class="bd group">
<div class="sidebar">
<div class="searchlabel">
Search index:</div>
<div class="search" id="sidebarsearch">
<form id="qtdocsearch" action="" onsubmit="return false;">
<fieldset>
<input type="text" name="searchstring" id="pageType" value="" />
<div id="resultdialog">
<a href="#" id="resultclose">Close</a>
<p id="resultlinks" class="all"><a href="#" id="showallresults">All</a> | <a href="#" id="showapiresults">API</a> | <a href="#" id="showarticleresults">Articles</a> | <a href="#" id="showexampleresults">Examples</a></p>
<p id="searchcount" class="all"><span id="resultcount"></span><span id="apicount"></span><span id="articlecount"></span><span id="examplecount"></span> results:</p>
<ul id="resultlist" class="all">
</ul>
</div>
</fieldset>
</form>
</div>
<div class="box first bottombar" id="lookup">
<h2 title="API Lookup"><span></span>
API Lookup</h2>
<div id="list001" class="list">
<ul id="ul001" >
<li class="defaultLink"><a href="classes.html">Class index</a></li>
<li class="defaultLink"><a href="functions.html">Function index</a></li>
<li class="defaultLink"><a href="modules.html">Modules</a></li>
<li class="defaultLink"><a href="namespaces.html">Namespaces</a></li>
<li class="defaultLink"><a href="qtglobal.html">Global Declarations</a></li>
<li class="defaultLink"><a href="qdeclarativeelements.html">QML elements</a></li>
</ul>
</div>
</div>
<div class="box bottombar" id="topics">
<h2 title="Qt Topics"><span></span>
Qt Topics</h2>
<div id="list002" class="list">
<ul id="ul002" >
<li class="defaultLink"><a href="qt-basic-concepts.html">Programming with Qt</a></li>
<li class="defaultLink"><a href="qtquick.html">Device UIs & Qt Quick</a></li>
<li class="defaultLink"><a href="qt-gui-concepts.html">UI Design with Qt</a></li>
<li class="defaultLink"><a href="supported-platforms.html">Supported Platforms</a></li>
<li class="defaultLink"><a href="technology-apis.html">Qt and Key Technologies</a></li>
<li class="defaultLink"><a href="best-practices.html">How-To's and Best Practices</a></li>
</ul>
</div>
</div>
<div class="box" id="examples">
<h2 title="Examples"><span></span>
Examples</h2>
<div id="list003" class="list">
<ul id="ul003">
<li class="defaultLink"><a href="all-examples.html">Examples</a></li>
<li class="defaultLink"><a href="tutorials.html">Tutorials</a></li>
<li class="defaultLink"><a href="demos.html">Demos</a></li>
<li class="defaultLink"><a href="qdeclarativeexamples.html">QML Examples</a></li>
</ul>
</div>
</div>
</div>
<div class="wrap">
<div class="toolbar">
<div class="breadcrumb toolblock">
<ul>
<li class="first"><a href="index.html">Home</a></li>
<!-- Breadcrumbs go here -->
</ul>
</div>
<div class="toolbuttons toolblock">
<ul>
<li id="smallA" class="t_button">A</li>
<li id="medA" class="t_button active">A</li>
<li id="bigA" class="t_button">A</li>
<li id="print" class="t_button"><a href="javascript:this.print();">
<span>Print</span></a></li>
</ul>
</div>
</div>
<div class="content mainContent">
<h1 class="title">mainwindow.cpp Example File</h1>
<span class="small-subtitle">demos/mainwindow/mainwindow.cpp</span>
<!-- $$$demos/mainwindow/mainwindow.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/</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 <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 <qdebug.h></span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span> <span class="keyword">const</span> message <span class="operator">=</span>
<span class="string">"<p><b>Qt Main Window Demo</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_WS_MAC</span>
<span class="string">"<p>On Mac 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>
;
<a href="qmetatype.html#Q_DECLARE_METATYPE">Q_DECLARE_METATYPE</a>(<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> <span class="type"><a href="qmap.html">QMap</a></span><span class="operator"><</span><span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qsize.html">QSize</a></span><span class="operator">></span> <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="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 Demo"</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="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="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="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>));
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>action <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Save layout..."</span>));
connect(action<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(saveLayout()));
action <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Load layout..."</span>));
connect(action<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(loadLayout()));
action <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Switch layout direction"</span>));
connect(action<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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> SLOT(close()));
mainWindowMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"Main window"</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> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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>menu);
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="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="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="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="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="qfile.html">QFile</a></span><span class="operator">::</span>WriteOnly)) {
<span class="type"><a href="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(fileName)
<span class="operator">.</span>arg(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="qbytearray.html">QByteArray</a></span> geo_data <span class="operator">=</span> saveGeometry();
<span class="type"><a href="qbytearray.html">QByteArray</a></span> layout_data <span class="operator">=</span> saveState();
<span class="type">bool</span> ok <span class="operator">=</span> file<span class="operator">.</span>putChar((<span class="type"><a href="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="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(fileName)
<span class="operator">.</span>arg(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="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="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="qfile.html">QFile</a></span><span class="operator">::</span>ReadOnly)) {
<span class="type"><a href="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(fileName)
<span class="operator">.</span>arg(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="qtglobal.html#uchar-typedef">uchar</a></span> geo_size;
<span class="type"><a href="qbytearray.html">QByteArray</a></span> geo_data;
<span class="type"><a href="qbytearray.html">QByteArray</a></span> layout_data;
<span class="type">bool</span> 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="qstring.html">QString</a></span> msg <span class="operator">=</span> tr(<span class="string">"Error reading %1"</span>)
<span class="operator">.</span>arg(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="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>addAction(<span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>menu<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>text<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="qsignalmapper.html">QSignalMapper</a></span> <span class="operator">*</span>mapper<span class="operator">,</span>
<span class="type">int</span> id)
{
<span class="type">bool</span> first <span class="operator">=</span> group<span class="operator">-</span><span class="operator">></span>actions()<span class="operator">.</span>isEmpty();
<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);
result<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>);
result<span class="operator">-</span><span class="operator">></span>setChecked(first);
group<span class="operator">-</span><span class="operator">></span>addAction(result);
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(result<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> mapper<span class="operator">,</span> SLOT(map()));
mapper<span class="operator">-</span><span class="operator">></span>setMapping(result<span class="operator">,</span> id);
<span class="keyword">return</span> result;
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setupDockWidgets(<span class="keyword">const</span> <span class="type"><a href="qmap.html">QMap</a></span><span class="operator"><</span><span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qsize.html">QSize</a></span><span class="operator">></span> <span class="operator">&</span>customSizeHints)
{
<a href="qmetatype.html#qRegisterMetaType">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>();
mapper <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsignalmapper.html">QSignalMapper</a></span>(<span class="keyword">this</span>);
connect(mapper<span class="operator">,</span> SIGNAL(mapped(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(setCorner(<span class="type">int</span>)));
<span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>corner_menu <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="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Top dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">0</span>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Left dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">1</span>);
corner_menu <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>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Top dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">2</span>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Right dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">3</span>);
corner_menu <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>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Bottom dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">4</span>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Left dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">5</span>);
corner_menu <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>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Bottom dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">6</span>);
<span class="operator">::</span>addAction(corner_menu<span class="operator">,</span> tr(<span class="string">"Right dock area"</span>)<span class="operator">,</span> group<span class="operator">,</span> mapper<span class="operator">,</span> <span class="number">7</span>);
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="qtglobal.html#uint-typedef">uint</a></span> flags;
<span class="type"><a href="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_WS_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="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="qt.html">Qt</a></span><span class="operator">::</span>Drawer<span class="operator">,</span> <span class="type"><a href="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="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="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="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="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="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">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="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(<span class="type"><a href="qicon.html">QIcon</a></span>(<span class="type"><a href="qpixmap.html">QPixmap</a></span>(<span class="string">":/res/qt.png"</span>)));
<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> SIGNAL(topLevelChanged(<span class="type">bool</span>))<span class="operator">,</span> titlebar<span class="operator">,</span> SLOT(updateMask()));
connect(swatch<span class="operator">,</span> SIGNAL(featuresChanged(<span class="type"><a href="qdockwidget.html">QDockWidget</a></span><span class="operator">::</span>DockWidgetFeatures))<span class="operator">,</span> titlebar<span class="operator">,</span> SLOT(updateMask())<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>QueuedConnection);
<span class="preprocessor">#ifdef Q_WS_QWS</span>
<span class="type"><a href="qpalette.html">QPalette</a></span> pal <span class="operator">=</span> palette();
pal<span class="operator">.</span>setBrush(backgroundRole()<span class="operator">,</span> <span class="type"><a href="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>));
swatch<span class="operator">-</span><span class="operator">></span>setPalette(pal);
<span class="preprocessor">#endif</span>
}
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> <span class="type"><a href="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>menu);
}
createDockWidgetAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Add dock widget..."</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(createDockWidgetAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(createDockWidget()));
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> SIGNAL(triggered(<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">*</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(destroyDockWidget(<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">*</span>)));
dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addSeparator();
dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addAction(createDockWidgetAction);
dockWidgetMenu<span class="operator">-</span><span class="operator">></span>addMenu(destroyDockWidgetMenu);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setCorner(<span class="type">int</span> id)
{
<span class="keyword">switch</span> (id) {
<span class="keyword">case</span> <span class="number">0</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopLeftCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">1</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopLeftCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">2</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopRightCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">3</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopRightCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">4</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomLeftCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">5</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomLeftCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">6</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomRightCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomDockWidgetArea);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">7</span>:
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>setCorner(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>BottomRightCorner<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea);
<span class="keyword">break</span>;
}
}
<span class="type">void</span> MainWindow<span class="operator">::</span>showEvent(<span class="type"><a href="qshowevent.html">QShowEvent</a></span> <span class="operator">*</span>event)
{
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>showEvent(event);
}
<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="qt.html">Qt</a></span><span class="operator">::</span>LeftToRight)
qApp<span class="operator">-</span><span class="operator">></span>setLayoutDirection(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightToLeft);
<span class="keyword">else</span>
qApp<span class="operator">-</span><span class="operator">></span>setLayoutDirection(<span class="type"><a href="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>:
CreateDockWidgetDialog(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>);
<span class="type"><a href="qstring.html">QString</a></span> objectName() <span class="keyword">const</span>;
<span class="type"><a href="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="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>);
m_objectName <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></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="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></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="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>buttonLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
layout<span class="operator">-</span><span class="operator">></span>addLayout(buttonLayout<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>);
buttonLayout<span class="operator">-</span><span class="operator">></span>addStretch();
<span class="type"><a href="qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>cancelButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Cancel"</span>));
connect(cancelButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(reject()));
buttonLayout<span class="operator">-</span><span class="operator">></span>addWidget(cancelButton);
<span class="type"><a href="qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>okButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Ok"</span>));
connect(okButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(accept()));
buttonLayout<span class="operator">-</span><span class="operator">></span>addWidget(okButton);
okButton<span class="operator">-</span><span class="operator">></span>setDefault(<span class="keyword">true</span>);
}
<span class="type"><a href="qstring.html">QString</a></span> CreateDockWidgetDialog<span class="operator">::</span>objectName() <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="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="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="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="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="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="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="type">int</span> ret <span class="operator">=</span> dialog<span class="operator">.</span>exec();
<span class="keyword">if</span> (ret <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>;
dw<span class="operator">-</span><span class="operator">></span>setObjectName(dialog<span class="operator">.</span>objectName());
dw<span class="operator">-</span><span class="operator">></span>setWindowTitle(dialog<span class="operator">.</span>objectName());
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="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="qt.html">Qt</a></span><span class="operator">::</span>LeftDockWidgetArea:
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightDockWidgetArea:
<span class="keyword">case</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TopDockWidgetArea:
<span class="keyword">case</span> <span class="type"><a href="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="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>(dialog<span class="operator">.</span>objectName()<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>
<!-- @@@demos/mainwindow/mainwindow.cpp -->
</div>
</div>
</div>
<div class="ft">
<span></span>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.</p>
<br />
<p>
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.</p>
<p>
Documentation sources may be obtained from <a href="http://www.qt-project.org">
www.qt-project.org</a>.</p>
<br />
<p>
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. <a title="Privacy Policy"
href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p>
</div>
<script src="scripts/functions.js" type="text/javascript"></script>
</body>
</html>
