| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the documentation of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:FDL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in a
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| 14 | ** written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Free Documentation License
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Free
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| 18 | ** Documentation License version 1.3 as published by the Free Software
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| 19 | ** Foundation and appearing in the file included in the packaging of this
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| 20 | ** file.
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| 21 | **
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| 22 | ** If you have questions regarding the use of this file, please contact
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| 23 | ** Nokia at [email protected].
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| 24 | ** $QT_END_LICENSE$
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| 25 | **
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| 26 | ****************************************************************************/
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| 27 |
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| 28 | /*!
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| 29 | \page qt-conf.html
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| 30 |
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| 31 | \title Using qt.conf
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| 32 |
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| 33 | The \c qt.conf file overrides the hard-coded paths that are
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| 34 | compiled into the Qt library. These paths are accessible using the
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| 35 | QLibraryInfo class. Without \c qt.conf, the functions in
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| 36 | QLibraryInfo return these hard-coded paths; otherwise they return
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| 37 | the paths as specified in \c qt.conf.
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| 38 |
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| 39 | Without \c qt.conf, the Qt libraries will use the hard-coded paths
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| 40 | to look for plugins, translations, and so on. These paths may not
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| 41 | exist on the target system, or they may not be
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| 42 | accesssible. Because of this, you need \c qt.conf to make the Qt
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| 43 | libraries look elsewhere.
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| 44 |
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| 45 | Note that on OS/2, the libraries do not use the hard-coded paths
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| 46 | by default. Instead, they look for plugins and other components in a
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| 47 | directory that contains the QtCore DLL library (or the application
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| 48 | executable if Qt is built as a static library). This behavior may
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| 49 | also be overridden using the \c qt.conf file.
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| 50 |
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| 51 | QLibraryInfo will load \c qt.conf from one of the following locations:
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| 52 |
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| 53 | \list 1
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| 54 |
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| 55 | \o \c :/qt/etc/qt.conf using the resource system
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| 56 |
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| 57 | \o on Mac OS X, in the Resource directory inside the appliction
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| 58 | bundle, for example \c assistant.app/Contents/Resources/qt.conf
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| 59 |
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| 60 | \o in the directory containing the application executable, i.e.
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| 61 | QCoreApplication::applicationDirPath() + QDir::separator() + "qt.conf"
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| 62 |
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| 63 | \endlist
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| 64 |
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| 65 | On OS/2, if neither of the above locations contains \c qt.conf,
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