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<h1 class="title">softkeys.cpp Example File</h1>
<span class="small-subtitle">widgets/softkeys/softkeys.cpp</span>
<!-- $$$widgets/softkeys/softkeys.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:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &quot;softkeys.h&quot;</span>
MainWindow<span class="operator">::</span>MainWindow(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent)
{
central <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>(<span class="keyword">this</span>);
central<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu); <span class="comment">// explicitly forbid usage of context menu so actions item is not shown menu</span>
setCentralWidget(central);
<span class="comment">// Create text editor and set softkeys to it</span>
textEditor<span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>(tr(<span class="string">&quot;Navigate in UI to see context sensitive softkeys in action&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">*</span> clear <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Clear&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
clear<span class="operator">-</span><span class="operator">&gt;</span>setSoftKeyRole(<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>NegativeSoftKey);
textEditor<span class="operator">-</span><span class="operator">&gt;</span>addAction(clear);
ok <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Ok&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
ok<span class="operator">-</span><span class="operator">&gt;</span>setSoftKeyRole(<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>PositiveSoftKey);
connect(ok<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(okPressed()));
cancel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Cancel&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
cancel<span class="operator">-</span><span class="operator">&gt;</span>setSoftKeyRole(<span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>NegativeSoftKey);
connect(cancel<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(cancelPressed()));
infoLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
infoLabel<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
toggleButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;Custom&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
toggleButton<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
toggleButton<span class="operator">-</span><span class="operator">&gt;</span>setCheckable(<span class="keyword">true</span>);
modeButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;Loop SK window type&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
modeButton<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
modeLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Normal maximized&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
pushButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;File Dialog&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
pushButton<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
<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>(<span class="keyword">this</span>);
comboBox<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoContextMenu);
comboBox<span class="operator">-</span><span class="operator">&gt;</span>insertItems(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qstringlist.html">QStringList</a></span>()
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>translate(<span class="string">&quot;MainWindow&quot;</span><span class="operator">,</span> <span class="string">&quot;Selection1&quot;</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>UnicodeUTF8)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>translate(<span class="string">&quot;MainWindow&quot;</span><span class="operator">,</span> <span class="string">&quot;Selection2&quot;</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>UnicodeUTF8)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>translate(<span class="string">&quot;MainWindow&quot;</span><span class="operator">,</span> <span class="string">&quot;Selection3&quot;</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>UnicodeUTF8)
);
layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>;
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(textEditor<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(infoLabel<span class="operator">,</span> <span class="number">1</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>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(toggleButton<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(pushButton<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(comboBox<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">2</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modeButton<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>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modeLabel<span class="operator">,</span> <span class="number">5</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>);
central<span class="operator">-</span><span class="operator">&gt;</span>setLayout(layout);
fileMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">&gt;</span>addMenu(tr(<span class="string">&quot;&amp;File&quot;</span>));
exit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;&amp;Exit&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
fileMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(exit);
connect(clear<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearTextEditor()));
connect(pushButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(openDialog()));
connect(exit<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(exitApplication()));
connect(toggleButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(setCustomSoftKeys()));
connect(modeButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(setMode()));
pushButton<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
}
MainWindow<span class="operator">::</span><span class="operator">~</span>MainWindow()
{
}
<span class="type">void</span> MainWindow<span class="operator">::</span>clearTextEditor()
{
textEditor<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;&quot;</span>));
}
<span class="type">void</span> MainWindow<span class="operator">::</span>openDialog()
{
<span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getOpenFileName(<span class="keyword">this</span>);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>addSoftKeys()
{
addAction(ok);
addAction(cancel);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setCustomSoftKeys()
{
<span class="keyword">if</span> (toggleButton<span class="operator">-</span><span class="operator">&gt;</span>isChecked()) {
infoLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Custom softkeys set&quot;</span>));
addSoftKeys();
}
<span class="keyword">else</span> {
infoLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Custom softkeys removed&quot;</span>));
removeAction(ok);
removeAction(cancel);
}
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setMode()
{
<span class="keyword">if</span>(isMaximized()) {
showFullScreen();
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Normal Fullscreen&quot;</span>));
} <span class="keyword">else</span> {
<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowFlags flags <span class="operator">=</span> windowFlags();
<span class="keyword">if</span>(flags <span class="operator">&amp;</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysRespondHint) {
flags <span class="operator">|</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysVisibleHint;
flags <span class="operator">&amp;</span><span class="operator">=</span> <span class="operator">~</span><span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysRespondHint;
setWindowFlags(flags); <span class="comment">// Hides visible window</span>
showFullScreen();
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Fullscreen with softkeys&quot;</span>));
} <span class="keyword">else</span> <span class="keyword">if</span>(flags <span class="operator">&amp;</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysVisibleHint) {
flags <span class="operator">&amp;</span><span class="operator">=</span> <span class="operator">~</span><span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysVisibleHint;
flags <span class="operator">&amp;</span><span class="operator">=</span> <span class="operator">~</span><span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysRespondHint;
setWindowFlags(flags); <span class="comment">// Hides visible window</span>
showMaximized();
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Normal Maximized&quot;</span>));
} <span class="keyword">else</span> {
flags <span class="operator">&amp;</span><span class="operator">=</span> <span class="operator">~</span><span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysVisibleHint;
flags <span class="operator">|</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowSoftkeysRespondHint;
setWindowFlags(flags); <span class="comment">// Hides visible window</span>
showFullScreen();
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Fullscreen with SK respond&quot;</span>));
}
}
}
<span class="type">void</span> MainWindow<span class="operator">::</span>exitApplication()
{
qApp<span class="operator">-</span><span class="operator">&gt;</span>exit();
}
<span class="type">void</span> MainWindow<span class="operator">::</span>okPressed()
{
infoLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;OK pressed&quot;</span>));
}
<span class="type">void</span> MainWindow<span class="operator">::</span>cancelPressed()
{
infoLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Cancel pressed&quot;</span>));
}</pre>
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<!-- @@@widgets/softkeys/softkeys.cpp -->
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