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82 lines
3.6 KiB
Plaintext
82 lines
3.6 KiB
Plaintext
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Solutions component.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*! \page qtsingleapplication-example-loader.html
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\title Loading Documents
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The application in this example loads or prints the documents
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passed as commandline parameters to further instances of this
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application.
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\quotefromfile loader/main.cpp
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\printuntil };
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The user interface in this application is a QMainWindow subclass
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with a QMdiArea as the central widget. It implements a slot
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\c handleMessage() that will be connected to the messageReceived()
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signal of the QtSingleApplication class.
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\printuntil }
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The MainWindow constructor creates a minimal user interface.
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\printto case Print:
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The handleMessage() slot interprets the message passed in as a
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filename that can be prepended with \e /print to indicate that
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the file should just be printed rather than loaded.
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\printto #include
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Loading the file will also activate the window.
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\printto mw
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The \c main entry point function creates a QtSingleApplication
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object, and creates a message to send to a running instance
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of the application. If the message was sent successfully the
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process exits immediately.
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\printuntil }
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If the message could not be sent the application starts up. Note
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that \c false is passed to the call to setActivationWindow() to
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prevent automatic activation for every message received, e.g. when
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the application should just print a file. Instead, the message
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handling function determines whether activation is requested, and
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signals that by emitting the needToShow() signal. This is then
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simply connected directly to QtSingleApplication's
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activateWindow() slot.
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*/
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