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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">window.cpp Example File</h1> <span class="small-subtitle">dialogs/findfiles/window.cpp</span> <!-- $$$dialogs/findfiles/window.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 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 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 <QtGui></span> <span class="preprocessor">#include "window.h"</span> Window<span class="operator">::</span>Window(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qwidget.html">QWidget</a></span>(parent) { browseButton <span class="operator">=</span> createButton(tr(<span class="string">"&Browse..."</span>)<span class="operator">,</span> SLOT(browse())); findButton <span class="operator">=</span> createButton(tr(<span class="string">"&Find"</span>)<span class="operator">,</span> SLOT(find())); fileComboBox <span class="operator">=</span> createComboBox(tr(<span class="string">"*"</span>)); textComboBox <span class="operator">=</span> createComboBox(); directoryComboBox <span class="operator">=</span> createComboBox(<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>currentPath()); fileLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Named:"</span>)); textLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Containing text:"</span>)); directoryLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"In directory:"</span>)); filesFoundLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>; createFilesTable(); <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>; mainLayout<span class="operator">-</span><span class="operator">></span>setSizeConstraint(<span class="type"><a href="qlayout.html">QLayout</a></span><span class="operator">::</span>SetNoConstraint); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(fileLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(fileComboBox<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">1</span><span class="operator">,</span> <span class="number">2</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(textLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(textComboBox<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(directoryLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(directoryComboBox<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(browseButton<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">2</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(filesTable<span class="operator">,</span> <span class="number">3</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">3</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(filesFoundLabel<span class="operator">,</span> <span class="number">4</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>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(findButton<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">2</span>); setLayout(mainLayout); setWindowTitle(tr(<span class="string">"Find Files"</span>)); <span class="preprocessor">#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)</span> resize(<span class="number">700</span><span class="operator">,</span> <span class="number">300</span>); <span class="preprocessor">#endif</span> } <span class="type">void</span> Window<span class="operator">::</span>browse() { <span class="type"><a href="qstring.html">QString</a></span> directory <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getExistingDirectory(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Find Files"</span>)<span class="operator">,</span> <span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>currentPath()); <span class="keyword">if</span> (<span class="operator">!</span>directory<span class="operator">.</span>isEmpty()) { <span class="keyword">if</span> (directoryComboBox<span class="operator">-</span><span class="operator">></span>findText(directory) <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) directoryComboBox<span class="operator">-</span><span class="operator">></span>addItem(directory); directoryComboBox<span class="operator">-</span><span class="operator">></span>setCurrentIndex(directoryComboBox<span class="operator">-</span><span class="operator">></span>findText(directory)); } } <span class="keyword">static</span> <span class="type">void</span> updateComboBox(<span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>comboBox) { <span class="keyword">if</span> (comboBox<span class="operator">-</span><span class="operator">></span>findText(comboBox<span class="operator">-</span><span class="operator">></span>currentText()) <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) comboBox<span class="operator">-</span><span class="operator">></span>addItem(comboBox<span class="operator">-</span><span class="operator">></span>currentText()); } <span class="type">void</span> Window<span class="operator">::</span>find() { filesTable<span class="operator">-</span><span class="operator">></span>setRowCount(<span class="number">0</span>); <span class="type"><a href="qstring.html">QString</a></span> fileName <span class="operator">=</span> fileComboBox<span class="operator">-</span><span class="operator">></span>currentText(); <span class="type"><a href="qstring.html">QString</a></span> text <span class="operator">=</span> textComboBox<span class="operator">-</span><span class="operator">></span>currentText(); <span class="type"><a href="qstring.html">QString</a></span> path <span class="operator">=</span> directoryComboBox<span class="operator">-</span><span class="operator">></span>currentText(); updateComboBox(fileComboBox); updateComboBox(textComboBox); updateComboBox(directoryComboBox); currentDir <span class="operator">=</span> <span class="type"><a href="qdir.html">QDir</a></span>(path); <span class="type"><a href="qstringlist.html">QStringList</a></span> files; <span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty()) fileName <span class="operator">=</span> <span class="string">"*"</span>; files <span class="operator">=</span> currentDir<span class="operator">.</span>entryList(<span class="type"><a href="qstringlist.html">QStringList</a></span>(fileName)<span class="operator">,</span> <span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>Files <span class="operator">|</span> <span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>NoSymLinks); <span class="keyword">if</span> (<span class="operator">!</span>text<span class="operator">.</span>isEmpty()) files <span class="operator">=</span> findFiles(files<span class="operator">,</span> text); showFiles(files); } <span class="type"><a href="qstringlist.html">QStringList</a></span> Window<span class="operator">::</span>findFiles(<span class="keyword">const</span> <span class="type"><a href="qstringlist.html">QStringList</a></span> <span class="operator">&</span>files<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="type"><a href="qprogressdialog.html">QProgressDialog</a></span> progressDialog(<span class="keyword">this</span>); progressDialog<span class="operator">.</span>setCancelButtonText(tr(<span class="string">"&Cancel"</span>)); progressDialog<span class="operator">.</span>setRange(<span class="number">0</span><span class="operator">,</span> files<span class="operator">.</span>size()); progressDialog<span class="operator">.</span>setWindowTitle(tr(<span class="string">"Find Files"</span>)); <span class="type"><a href="qstringlist.html">QStringList</a></span> foundFiles; <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> files<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { progressDialog<span class="operator">.</span>setValue(i); progressDialog<span class="operator">.</span>setLabelText(tr(<span class="string">"Searching file number %1 of %2..."</span>) <span class="operator">.</span>arg(i)<span class="operator">.</span>arg(files<span class="operator">.</span>size())); qApp<span class="operator">-</span><span class="operator">></span>processEvents(); <span class="keyword">if</span> (progressDialog<span class="operator">.</span>wasCanceled()) <span class="keyword">break</span>; <span class="type"><a href="qfile.html">QFile</a></span> file(currentDir<span class="operator">.</span>absoluteFilePath(files<span class="operator">[</span>i<span class="operator">]</span>)); <span class="keyword">if</span> (file<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>ReadOnly)) { <span class="type"><a href="qstring.html">QString</a></span> line; <span class="type"><a href="qtextstream.html">QTextStream</a></span> in(<span class="operator">&</span>file); <span class="keyword">while</span> (<span class="operator">!</span>in<span class="operator">.</span>atEnd()) { <span class="keyword">if</span> (progressDialog<span class="operator">.</span>wasCanceled()) <span class="keyword">break</span>; line <span class="operator">=</span> in<span class="operator">.</span>readLine(); <span class="keyword">if</span> (line<span class="operator">.</span>contains(text)) { foundFiles <span class="operator"><</span><span class="operator"><</span> files<span class="operator">[</span>i<span class="operator">]</span>; <span class="keyword">break</span>; } } } } <span class="keyword">return</span> foundFiles; } <span class="type">void</span> Window<span class="operator">::</span>showFiles(<span class="keyword">const</span> <span class="type"><a href="qstringlist.html">QStringList</a></span> <span class="operator">&</span>files) { <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> files<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="type"><a href="qfile.html">QFile</a></span> file(currentDir<span class="operator">.</span>absoluteFilePath(files<span class="operator">[</span>i<span class="operator">]</span>)); <span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> size <span class="operator">=</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span>(file)<span class="operator">.</span>size(); <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>fileNameItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(files<span class="operator">[</span>i<span class="operator">]</span>); fileNameItem<span class="operator">-</span><span class="operator">></span>setFlags(fileNameItem<span class="operator">-</span><span class="operator">></span>flags() <span class="operator">^</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable); <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>sizeItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(tr(<span class="string">"%1 KB"</span>) <span class="operator">.</span>arg(<span class="type">int</span>((size <span class="operator">+</span> <span class="number">1023</span>) <span class="operator">/</span> <span class="number">1024</span>))); sizeItem<span class="operator">-</span><span class="operator">></span>setTextAlignment(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignRight <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignVCenter); sizeItem<span class="operator">-</span><span class="operator">></span>setFlags(sizeItem<span class="operator">-</span><span class="operator">></span>flags() <span class="operator">^</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable); <span class="type">int</span> row <span class="operator">=</span> filesTable<span class="operator">-</span><span class="operator">></span>rowCount(); filesTable<span class="operator">-</span><span class="operator">></span>insertRow(row); filesTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> fileNameItem); filesTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> sizeItem); } filesFoundLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"%1 file(s) found"</span>)<span class="operator">.</span>arg(files<span class="operator">.</span>size()) <span class="operator">+</span> <span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5)</span> (<span class="string">" (Select file to open it)"</span>)); <span class="preprocessor">#else</span> (<span class="string">" (Double click on a file to open it)"</span>)); <span class="preprocessor">#endif</span> filesFoundLabel<span class="operator">-</span><span class="operator">></span>setWordWrap(<span class="keyword">true</span>); } <span class="type"><a href="qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>Window<span class="operator">::</span>createButton(<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="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>member) { <span class="type"><a href="qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>button <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(text); connect(button<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> member); <span class="keyword">return</span> button; } <span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>Window<span class="operator">::</span>createComboBox(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>text) { <span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>comboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>; comboBox<span class="operator">-</span><span class="operator">></span>setEditable(<span class="keyword">true</span>); comboBox<span class="operator">-</span><span class="operator">></span>addItem(text); comboBox<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Expanding<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Preferred); <span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)</span> comboBox<span class="operator">-</span><span class="operator">></span>setMinimumContentsLength(<span class="number">3</span>); <span class="preprocessor">#endif</span> <span class="keyword">return</span> comboBox; } <span class="type">void</span> Window<span class="operator">::</span>createFilesTable() { filesTable <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidget.html">QTableWidget</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>); filesTable<span class="operator">-</span><span class="operator">></span>setSelectionBehavior(<span class="type"><a href="qabstractitemview.html">QAbstractItemView</a></span><span class="operator">::</span>SelectRows); <span class="type"><a href="qstringlist.html">QStringList</a></span> labels; labels <span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"Filename"</span>) <span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"Size"</span>); filesTable<span class="operator">-</span><span class="operator">></span>setHorizontalHeaderLabels(labels); filesTable<span class="operator">-</span><span class="operator">></span>horizontalHeader()<span class="operator">-</span><span class="operator">></span>setResizeMode(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qheaderview.html">QHeaderView</a></span><span class="operator">::</span>Stretch); filesTable<span class="operator">-</span><span class="operator">></span>verticalHeader()<span class="operator">-</span><span class="operator">></span>hide(); filesTable<span class="operator">-</span><span class="operator">></span>setShowGrid(<span class="keyword">false</span>); connect(filesTable<span class="operator">,</span> SIGNAL(cellActivated(<span class="type">int</span><span class="operator">,</span><span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openFileOfItem(<span class="type">int</span><span class="operator">,</span><span class="type">int</span>))); } <span class="type">void</span> Window<span class="operator">::</span>openFileOfItem(<span class="type">int</span> row<span class="operator">,</span> <span class="type">int</span> <span class="comment">/* column */</span>) { <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item <span class="operator">=</span> filesTable<span class="operator">-</span><span class="operator">></span>item(row<span class="operator">,</span> <span class="number">0</span>); <span class="type"><a href="qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>openUrl(<span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>fromLocalFile(currentDir<span class="operator">.</span>absoluteFilePath(item<span class="operator">-</span><span class="operator">></span>text()))); }</pre> </div> <!-- @@@dialogs/findfiles/window.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>