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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">tools/settingseditor/mainwindow.cpp</span> <!-- $$$tools/settingseditor/mainwindow.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 Digia Plc and its Subsidiary(-ies) 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 <QtGui></span> <span class="preprocessor">#include "locationdialog.h"</span> <span class="preprocessor">#include "mainwindow.h"</span> <span class="preprocessor">#include "settingstree.h"</span> MainWindow<span class="operator">::</span>MainWindow() { settingsTree <span class="operator">=</span> <span class="keyword">new</span> SettingsTree; setCentralWidget(settingsTree); locationDialog <span class="operator">=</span> <span class="number">0</span>; createActions(); createMenus(); autoRefreshAct<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); fallbacksAct<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); setWindowTitle(tr(<span class="string">"Settings Editor"</span>)); resize(<span class="number">500</span><span class="operator">,</span> <span class="number">600</span>); } <span class="type">void</span> MainWindow<span class="operator">::</span>openSettings() { <span class="keyword">if</span> (<span class="operator">!</span>locationDialog) locationDialog <span class="operator">=</span> <span class="keyword">new</span> LocationDialog(<span class="keyword">this</span>); <span class="keyword">if</span> (locationDialog<span class="operator">-</span><span class="operator">></span>exec()) { <span class="type"><a href="qsettings.html">QSettings</a></span> <span class="operator">*</span>settings <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsettings.html">QSettings</a></span>(locationDialog<span class="operator">-</span><span class="operator">></span>format()<span class="operator">,</span> locationDialog<span class="operator">-</span><span class="operator">></span>scope()<span class="operator">,</span> locationDialog<span class="operator">-</span><span class="operator">></span>organization()<span class="operator">,</span> locationDialog<span class="operator">-</span><span class="operator">></span>application()); setSettingsObject(settings); fallbacksAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); } } <span class="type">void</span> MainWindow<span class="operator">::</span>openIniFile() { <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">"Open INI File"</span>)<span class="operator">,</span> <span class="string">""</span><span class="operator">,</span> tr(<span class="string">"INI Files (*.ini *.conf)"</span>)); <span class="keyword">if</span> (<span class="operator">!</span>fileName<span class="operator">.</span>isEmpty()) { <span class="type"><a href="qsettings.html">QSettings</a></span> <span class="operator">*</span>settings <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsettings.html">QSettings</a></span>(fileName<span class="operator">,</span> <span class="type"><a href="qsettings.html">QSettings</a></span><span class="operator">::</span>IniFormat); setSettingsObject(settings); fallbacksAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); } } <span class="type">void</span> MainWindow<span class="operator">::</span>openPropertyList() { <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">"Open Property List"</span>)<span class="operator">,</span> <span class="string">""</span><span class="operator">,</span> tr(<span class="string">"Property List Files (*.plist)"</span>)); <span class="keyword">if</span> (<span class="operator">!</span>fileName<span class="operator">.</span>isEmpty()) { <span class="type"><a href="qsettings.html">QSettings</a></span> <span class="operator">*</span>settings <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsettings.html">QSettings</a></span>(fileName<span class="operator">,</span> <span class="type"><a href="qsettings.html">QSettings</a></span><span class="operator">::</span>NativeFormat); setSettingsObject(settings); fallbacksAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); } } <span class="type">void</span> MainWindow<span class="operator">::</span>openRegistryPath() { <span class="type"><a href="qstring.html">QString</a></span> path <span class="operator">=</span> <span class="type"><a href="qinputdialog.html">QInputDialog</a></span><span class="operator">::</span>getText(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Open Registry Path"</span>)<span class="operator">,</span> tr(<span class="string">"Enter the path in the Windows registry:"</span>)<span class="operator">,</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>Normal<span class="operator">,</span> <span class="string">"HKEY_CURRENT_USER\\"</span>); <span class="keyword">if</span> (<span class="operator">!</span>path<span class="operator">.</span>isEmpty()) { <span class="type"><a href="qsettings.html">QSettings</a></span> <span class="operator">*</span>settings <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsettings.html">QSettings</a></span>(path<span class="operator">,</span> <span class="type"><a href="qsettings.html">QSettings</a></span><span class="operator">::</span>NativeFormat); setSettingsObject(settings); fallbacksAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); } } <span class="type">void</span> MainWindow<span class="operator">::</span>about() { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>about(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"About Settings Editor"</span>)<span class="operator">,</span> tr(<span class="string">"The <b>Settings Editor</b> example shows how to access "</span> <span class="string">"application settings using Qt."</span>)); } <span class="type">void</span> MainWindow<span class="operator">::</span>createActions() { openSettingsAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Open Application Settings..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); openSettingsAct<span class="operator">-</span><span class="operator">></span>setShortcuts(<span class="type"><a href="qkeysequence.html">QKeySequence</a></span><span class="operator">::</span>Open); connect(openSettingsAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openSettings())); openIniFileAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Open I&NI File..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); openIniFileAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+N"</span>)); connect(openIniFileAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openIniFile())); openPropertyListAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Open Mac &Property List..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); openPropertyListAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+P"</span>)); connect(openPropertyListAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openPropertyList())); openRegistryPathAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Open Windows &Registry Path..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); openRegistryPathAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+G"</span>)); connect(openRegistryPathAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openRegistryPath())); refreshAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Refresh"</span>)<span class="operator">,</span> <span class="keyword">this</span>); refreshAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+R"</span>)); refreshAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); connect(refreshAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> settingsTree<span class="operator">,</span> SLOT(refresh())); exitAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"E&xit"</span>)<span class="operator">,</span> <span class="keyword">this</span>); exitAct<span class="operator">-</span><span class="operator">></span>setShortcuts(<span class="type"><a href="qkeysequence.html">QKeySequence</a></span><span class="operator">::</span>Quit); connect(exitAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(close())); autoRefreshAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Auto-Refresh"</span>)<span class="operator">,</span> <span class="keyword">this</span>); autoRefreshAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+A"</span>)); autoRefreshAct<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); autoRefreshAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); connect(autoRefreshAct<span class="operator">,</span> SIGNAL(triggered(<span class="type">bool</span>))<span class="operator">,</span> settingsTree<span class="operator">,</span> SLOT(setAutoRefresh(<span class="type">bool</span>))); connect(autoRefreshAct<span class="operator">,</span> SIGNAL(triggered(<span class="type">bool</span>))<span class="operator">,</span> refreshAct<span class="operator">,</span> SLOT(setDisabled(<span class="type">bool</span>))); fallbacksAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Fallbacks"</span>)<span class="operator">,</span> <span class="keyword">this</span>); fallbacksAct<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+F"</span>)); fallbacksAct<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); fallbacksAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); connect(fallbacksAct<span class="operator">,</span> SIGNAL(triggered(<span class="type">bool</span>))<span class="operator">,</span> settingsTree<span class="operator">,</span> SLOT(setFallbacksEnabled(<span class="type">bool</span>))); aboutAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&About"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(aboutAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(about())); aboutQtAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"About &Qt"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(aboutQtAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(aboutQt())); <span class="preprocessor">#ifndef Q_WS_MAC</span> openPropertyListAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); <span class="preprocessor">#endif</span> <span class="preprocessor">#ifndef Q_WS_WIN</span> openRegistryPathAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); <span class="preprocessor">#endif</span> } <span class="type">void</span> MainWindow<span class="operator">::</span>createMenus() { fileMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&File"</span>)); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(openSettingsAct); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(openIniFileAct); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(openPropertyListAct); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(openRegistryPathAct); fileMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(refreshAct); fileMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(exitAct); optionsMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Options"</span>)); optionsMenu<span class="operator">-</span><span class="operator">></span>addAction(autoRefreshAct); optionsMenu<span class="operator">-</span><span class="operator">></span>addAction(fallbacksAct); menuBar()<span class="operator">-</span><span class="operator">></span>addSeparator(); helpMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Help"</span>)); helpMenu<span class="operator">-</span><span class="operator">></span>addAction(aboutAct); helpMenu<span class="operator">-</span><span class="operator">></span>addAction(aboutQtAct); } <span class="type">void</span> MainWindow<span class="operator">::</span>setSettingsObject(<span class="type"><a href="qsettings.html">QSettings</a></span> <span class="operator">*</span>settings) { settings<span class="operator">-</span><span class="operator">></span>setFallbacksEnabled(fallbacksAct<span class="operator">-</span><span class="operator">></span>isChecked()); settingsTree<span class="operator">-</span><span class="operator">></span>setSettingsObject(settings); refreshAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); autoRefreshAct<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); <span class="type"><a href="qstring.html">QString</a></span> niceName <span class="operator">=</span> settings<span class="operator">-</span><span class="operator">></span>fileName(); niceName<span class="operator">.</span>replace(<span class="string">"\\"</span><span class="operator">,</span> <span class="string">"/"</span>); <span class="type">int</span> pos <span class="operator">=</span> niceName<span class="operator">.</span>lastIndexOf(<span class="string">"/"</span>); <span class="keyword">if</span> (pos <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) niceName<span class="operator">.</span>remove(<span class="number">0</span><span class="operator">,</span> pos <span class="operator">+</span> <span class="number">1</span>); <span class="keyword">if</span> (<span class="operator">!</span>settings<span class="operator">-</span><span class="operator">></span>isWritable()) niceName <span class="operator">=</span> tr(<span class="string">"%1 (read only)"</span>)<span class="operator">.</span>arg(niceName); setWindowTitle(tr(<span class="string">"%1 - %2"</span>)<span class="operator">.</span>arg(niceName)<span class="operator">.</span>arg(tr(<span class="string">"Settings Editor"</span>))); }</pre> </div> <!-- @@@tools/settingseditor/mainwindow.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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