doc/src/platforms/emb-deployment.qdoc
author eckhart.koppen@nokia.com
Wed, 31 Mar 2010 11:06:36 +0300
changeset 7 f7bc934e204c
permissions -rw-r--r--
5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     1
/****************************************************************************
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     2
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     3
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     4
** All rights reserved.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     5
** Contact: Nokia Corporation (qt-info@nokia.com)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     6
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     7
** This file is part of the documentation of the Qt Toolkit.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     8
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     9
** $QT_BEGIN_LICENSE:LGPL$
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    10
** No Commercial Usage
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    11
** This file contains pre-release code and may not be distributed.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    12
** You may use this file in accordance with the terms and conditions
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    13
** contained in the Technology Preview License Agreement accompanying
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    14
** this package.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    15
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    16
** GNU Lesser General Public License Usage
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    17
** Alternatively, this file may be used under the terms of the GNU Lesser
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    18
** General Public License version 2.1 as published by the Free Software
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    19
** Foundation and appearing in the file LICENSE.LGPL included in the
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    20
** packaging of this file.  Please review the following information to
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    21
** ensure the GNU Lesser General Public License version 2.1 requirements
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    22
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    23
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    24
** In addition, as a special exception, Nokia gives you certain additional
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    25
** rights.  These rights are described in the Nokia Qt LGPL Exception
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    26
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    27
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    28
** If you have questions regarding the use of this file, please contact
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    29
** Nokia at qt-info@nokia.com.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    30
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    31
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    32
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    33
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    34
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    35
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    36
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    37
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    38
** $QT_END_LICENSE$
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    39
**
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    40
****************************************************************************/
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    41
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    42
/*!
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    43
    \page qt-embedded-deployment.html
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    44
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    45
    \title Deploying Qt for Embedded Linux Applications
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    46
    \ingroup qt-embedded-linux
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    47
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    48
    The procedure of deploying an Qt application on \l{Qt for Embedded Linux}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    49
    is essentially the same as the deployment procedure on X11 platforms
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    50
    which is described in detail in the \l {Deploying an Application
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    51
    on X11 Platforms} documentation. See also the \l {Deploying Qt
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    52
    applications}{general remarks} about deploying Qt applications.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    53
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    54
    In addition, there is a couple of Qt for Embedded Linux specific issues to
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    55
    keep in mind:
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    56
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    57
    \tableofcontents
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    58
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    59
    \section1 Fonts
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    60
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    61
    When Qt for Embedded Linux applications run, they look for a file called
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    62
    \c fontdir in Qt's \c /lib/fonts/ directory defining the
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    63
    fonts that are available to the application (i.e. the fonts
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    64
    located in the mentioned directory).
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    65
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    66
    For that reason, the preferred fonts must be copied to the \c
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    67
    /lib/fonts/ directory, and the \c fontdir file must be customized
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    68
    accordingly.  See the \l {Qt for Embedded Linux Fonts}{fonts} documentation
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    69
    for more details about the supported font formats.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    70
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    71
    Note that the application will look for the \c /lib/fonts/
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    72
    directory relative to the path set using the \c -prefix parameter
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    73
    when running the \c configure script; ensure that this is a
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    74
    sensible path in the target device environment. See the 
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    75
    \l {Installing Qt on Embedded Linux#Step 3: Building the
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    76
    Library}{installation} documentation for more details.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    77
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    78
    \section1 Environment Variables
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    79
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    80
    In general, any variable value that differs from the provided
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    81
    default values must be set explicitly in the target device
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    82
    environment.  Typically, these include the QWS_MOUSE_PROTO,
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    83
    QWS_KEYBOARD and QWS_DISPLAY variables specifying the drivers for
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    84
    pointer handling, character input and display management,
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    85
    respectively.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    86
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    87
    For example, without the proper mouse and keyboard drivers, there
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    88
    is no way to give any input to the application when it is
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    89
    installed on the target device. By running the \c configure script
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    90
    using the \c -qt-kbd-<keyboarddriver> and \c
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    91
    -qt-mouse-<mousedriver> options, the drivers are enabled, but in
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    92
    addition the drivers and the preferred devices must be specified
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    93
    as the ones to use in the target environment, by setting the
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    94
    environment variables.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    95
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    96
    See the \l{Qt for Embedded Linux Pointer Handling}{pointer handling},
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    97
    \l{Qt for Embedded Linux Character Input}{character input} and
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    98
    \l{Qt for Embedded Linux Display Management}{display management}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    99
    documentation for more information.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   100
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   101
    \section1 Framebuffer Support
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   102
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   103
    No particular actions are required to enable the framebuffer on
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   104
    target devices: The Linux framebuffer is enabled by default on all
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   105
    modern Linux distributions. For information on older versions, see
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   106
    \l http://en.tldp.org/HOWTO/Framebuffer-HOWTO.html.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   107
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   108
    To test that the Linux framebuffer is set up correctly, and that
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   109
    the device permissions are correct, use the program provided by
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   110
    the \l {Testing the Linux Framebuffer} document.
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
   111
*/