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qt4-x11/doc/html/desktop-systray-window-cpp.html
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<h1 class="title">window.cpp Example File</h1>
<span class="small-subtitle">desktop/systray/window.cpp</span>
<!-- $$$desktop/systray/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:
**
** &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 &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;window.h&quot;</span>
Window<span class="operator">::</span>Window()
{
createIconGroupBox();
createMessageGroupBox();
iconLabel<span class="operator">-</span><span class="operator">&gt;</span>setMinimumWidth(durationLabel<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width());
createActions();
createTrayIcon();
connect(showMessageButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(showMessage()));
connect(showIconCheckBox<span class="operator">,</span> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span>
trayIcon<span class="operator">,</span> SLOT(setVisible(<span class="type">bool</span>)));
connect(iconComboBox<span class="operator">,</span> SIGNAL(currentIndexChanged(<span class="type">int</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(setIcon(<span class="type">int</span>)));
connect(trayIcon<span class="operator">,</span> SIGNAL(messageClicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(messageClicked()));
connect(trayIcon<span class="operator">,</span> SIGNAL(activated(<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>ActivationReason))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(iconActivated(<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>ActivationReason)));
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(iconGroupBox);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(messageGroupBox);
setLayout(mainLayout);
iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">1</span>);
trayIcon<span class="operator">-</span><span class="operator">&gt;</span>show();
setWindowTitle(tr(<span class="string">&quot;Systray&quot;</span>));
resize(<span class="number">400</span><span class="operator">,</span> <span class="number">300</span>);
}
<span class="type">void</span> Window<span class="operator">::</span>setVisible(<span class="type">bool</span> visible)
{
minimizeAction<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(visible);
maximizeAction<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="operator">!</span>isMaximized());
restoreAction<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(isMaximized() <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>visible);
<span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>setVisible(visible);
}
<span class="type">void</span> Window<span class="operator">::</span>closeEvent(<span class="type"><a href="qcloseevent.html">QCloseEvent</a></span> <span class="operator">*</span>event)
{
<span class="keyword">if</span> (trayIcon<span class="operator">-</span><span class="operator">&gt;</span>isVisible()) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Systray&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;The program will keep running in the &quot;</span>
<span class="string">&quot;system tray. To terminate the program, &quot;</span>
<span class="string">&quot;choose &lt;b&gt;Quit&lt;/b&gt; in the context menu &quot;</span>
<span class="string">&quot;of the system tray entry.&quot;</span>));
hide();
event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
}
}
<span class="type">void</span> Window<span class="operator">::</span>setIcon(<span class="type">int</span> index)
{
<span class="type"><a href="qicon.html">QIcon</a></span> icon <span class="operator">=</span> iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>itemIcon(index);
trayIcon<span class="operator">-</span><span class="operator">&gt;</span>setIcon(icon);
setWindowIcon(icon);
trayIcon<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>itemText(index));
}
<span class="type">void</span> Window<span class="operator">::</span>iconActivated(<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>ActivationReason reason)
{
<span class="keyword">switch</span> (reason) {
<span class="keyword">case</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>Trigger:
<span class="keyword">case</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>DoubleClick:
iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex((iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>currentIndex() <span class="operator">+</span> <span class="number">1</span>)
<span class="operator">%</span> iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>count());
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>MiddleClick:
showMessage();
<span class="keyword">break</span>;
<span class="keyword">default</span>:
;
}
}
<span class="type">void</span> Window<span class="operator">::</span>showMessage()
{
<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>MessageIcon icon <span class="operator">=</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>MessageIcon(
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>itemData(typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>currentIndex())<span class="operator">.</span>toInt());
trayIcon<span class="operator">-</span><span class="operator">&gt;</span>showMessage(titleEdit<span class="operator">-</span><span class="operator">&gt;</span>text()<span class="operator">,</span> bodyEdit<span class="operator">-</span><span class="operator">&gt;</span>toPlainText()<span class="operator">,</span> icon<span class="operator">,</span>
durationSpinBox<span class="operator">-</span><span class="operator">&gt;</span>value() <span class="operator">*</span> <span class="number">1000</span>);
}
<span class="type">void</span> Window<span class="operator">::</span>messageClicked()
{
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> tr(<span class="string">&quot;Systray&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Sorry, I already gave what help I could.\n&quot;</span>
<span class="string">&quot;Maybe you should try asking a human?&quot;</span>));
}
<span class="type">void</span> Window<span class="operator">::</span>createIconGroupBox()
{
iconGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">&quot;Tray Icon&quot;</span>));
iconLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(<span class="string">&quot;Icon:&quot;</span>);
iconComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="type"><a href="qicon.html">QIcon</a></span>(<span class="string">&quot;:/images/bad.svg&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;Bad&quot;</span>));
iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="type"><a href="qicon.html">QIcon</a></span>(<span class="string">&quot;:/images/heart.svg&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;Heart&quot;</span>));
iconComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="type"><a href="qicon.html">QIcon</a></span>(<span class="string">&quot;:/images/trash.svg&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;Trash&quot;</span>));
showIconCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">&quot;Show icon&quot;</span>));
showIconCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);
<span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>iconLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
iconLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(iconLabel);
iconLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(iconComboBox);
iconLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch();
iconLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(showIconCheckBox);
iconGroupBox<span class="operator">-</span><span class="operator">&gt;</span>setLayout(iconLayout);
}
<span class="type">void</span> Window<span class="operator">::</span>createMessageGroupBox()
{
messageGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">&quot;Balloon Message&quot;</span>));
typeLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Type:&quot;</span>));
typeComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;None&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>NoIcon);
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(style()<span class="operator">-</span><span class="operator">&gt;</span>standardIcon(
<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_MessageBoxInformation)<span class="operator">,</span> tr(<span class="string">&quot;Information&quot;</span>)<span class="operator">,</span>
<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>Information);
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(style()<span class="operator">-</span><span class="operator">&gt;</span>standardIcon(
<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_MessageBoxWarning)<span class="operator">,</span> tr(<span class="string">&quot;Warning&quot;</span>)<span class="operator">,</span>
<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>Warning);
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(style()<span class="operator">-</span><span class="operator">&gt;</span>standardIcon(
<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_MessageBoxCritical)<span class="operator">,</span> tr(<span class="string">&quot;Critical&quot;</span>)<span class="operator">,</span>
<span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span><span class="operator">::</span>Critical);
typeComboBox<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">1</span>);
durationLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Duration:&quot;</span>));
durationSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
durationSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">5</span><span class="operator">,</span> <span class="number">60</span>);
durationSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSuffix(<span class="string">&quot; s&quot;</span>);
durationSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">15</span>);
durationWarningLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;(some systems might ignore this &quot;</span>
<span class="string">&quot;hint)&quot;</span>));
durationWarningLabel<span class="operator">-</span><span class="operator">&gt;</span>setIndent(<span class="number">10</span>);
titleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Title:&quot;</span>));
titleEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(tr(<span class="string">&quot;Cannot connect to network&quot;</span>));
bodyLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Body:&quot;</span>));
bodyEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>;
bodyEdit<span class="operator">-</span><span class="operator">&gt;</span>setPlainText(tr(<span class="string">&quot;Don't believe me. Honestly, I don't have a &quot;</span>
<span class="string">&quot;clue.\nClick this balloon for details.&quot;</span>));
showMessageButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;Show Message&quot;</span>));
showMessageButton<span class="operator">-</span><span class="operator">&gt;</span>setDefault(<span class="keyword">true</span>);
<span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>messageLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>;
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(typeLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(typeComboBox<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>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(durationLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(durationSpinBox<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(durationWarningLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">3</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(titleLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(titleEdit<span class="operator">,</span> <span class="number">2</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">4</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(bodyLabel<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(bodyEdit<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">4</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(showMessageButton<span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="number">4</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>setColumnStretch(<span class="number">3</span><span class="operator">,</span> <span class="number">1</span>);
messageLayout<span class="operator">-</span><span class="operator">&gt;</span>setRowStretch(<span class="number">4</span><span class="operator">,</span> <span class="number">1</span>);
messageGroupBox<span class="operator">-</span><span class="operator">&gt;</span>setLayout(messageLayout);
}
<span class="type">void</span> Window<span class="operator">::</span>createActions()
{
minimizeAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Mi&amp;nimize&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(minimizeAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(hide()));
maximizeAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Ma&amp;ximize&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(maximizeAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(showMaximized()));
restoreAction <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;Restore&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(restoreAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(showNormal()));
quitAction <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;Quit&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(quitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
}
<span class="type">void</span> Window<span class="operator">::</span>createTrayIcon()
{
trayIconMenu <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qmenu.html">QMenu</a></span>(<span class="keyword">this</span>);
trayIconMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(minimizeAction);
trayIconMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(maximizeAction);
trayIconMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(restoreAction);
trayIconMenu<span class="operator">-</span><span class="operator">&gt;</span>addSeparator();
trayIconMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(quitAction);
trayIcon <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsystemtrayicon.html">QSystemTrayIcon</a></span>(<span class="keyword">this</span>);
trayIcon<span class="operator">-</span><span class="operator">&gt;</span>setContextMenu(trayIconMenu);
}</pre>
</div>
<!-- @@@desktop/systray/window.cpp -->
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