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<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>
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<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>
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<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
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distrib
>
Mageia
>
6
>
armv5tl
>
media
>
core-updates
>
by-pkgid
>
768f7d9f703884aa2562bf0a651086df
>
files
>
4132
