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116 lines
4.4 KiB
116 lines
4.4 KiB
14 years ago
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/****************************************************************************
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**
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** The environment variables Qt/Embedded takes notice of
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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/*!
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\page emb-envvars.html
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\title Qt/Embedded environment variables
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\table
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\header \i Variable \i Notes
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\row
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\i QWS_SW_CURSOR
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\i If defined, always use a software mouse cursor even when using an
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accelerated driver that supports a hardware cursor
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\row
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\i QWS_DISPLAY
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\i Defines the display type and framebuffer, e.g.
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\c{Voodoo3 Mach64:/dev/fb1}
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Defaults to an unaccelerated Linux framebuffer driver on \c /dev/fb0.
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Valid drivers are QVfb, VGA16, LinuxFb (unaccelerated Linux framebuffer),
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Mach64 (accelerated for ATI Mach64 cards such as the Rage Pro),
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Voodoo3 (accelerated for the 3dfx Voodoo 3, should also work on Voodoo
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Banshee), Matrox (should work on all Matrox graphics cards since the
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Matrox Millennium), Transformed (for rotated displays), SVGALIB and
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VNC. Transformed displays have a special format: within the
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specification should be a multiple of 90 degrees rotation specified as
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Rot\<x\>, for instance Transformed:Rot90.
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\row
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\i QTDIR
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\i If defined this tells Qt/Embedded to where to find its fonts:
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fontdir should be in \c $QTDIR/etc/fonts/. If undefined it's assumed
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to be \c /usr/local/qt-embedded
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\row
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\i QWS_SIZE
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\i If defined forces Qt/Embedded into a window of \<width\> x
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\<height\> size centred within the screen, e.g. 320x200
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\row
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\i QWS_NOMTRR
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\i If defined, don't use Memory Type Range Registers to define the framebuffer
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as write-combined on x86. Write-combining speeds up graphics output.
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\row
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\i QWS_CARD_SLOT
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\i Tells the accelerated drivers which card to attempt to accelerate.
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This should be a path in \c /proc/bus/pci. It defaults to
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\c /proc/bus/pci/01/00.0 - the first device on the second PCI bus in the
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system, which is normally the AGP card.
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\row
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\i QWS_USB_KEYBOARD
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\i If defined, instead of opening \c /dev/tty open the USB low-level
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event device defined in QWS_USB_KEYBOARD (e.g. \c /dev/input/event0):
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this is useful if you wish to run X and Qt/Embedded side by side on
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different framebuffers.
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\row
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\i QWS_MOUSE_PROTO
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\i Defined as \<type\>:\<device\>, e.g. \c{Microsoft:/dev/ttyS0}. If you want to
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use a USB mouse directly (separate from X) use \c{MouseMan:/dev/input/mouse0}
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or similar. Valid mouse protocls are Auto (automatically sense protocol),
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MouseMan, IntelliMouse, Microsoft, QVfbMouse (only useful with QVfb)
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and TPanel, a sample touch panel driver.
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\row
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\i QWS_KEYBOARD
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\i Defines the keyboard type. Multiple keyboards can be handled at once,
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input will be read from all of them. Valid values:
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Buttons (an iPaq button device if QT_QWS_IPAQ is compiled, otherwise
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one for the Cassiopeia), QVfbKeyboard (only useful with QVfb),
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and TTY (either a USB keyboard or \c /dev/tty depending if QWS_USB_KEYBOARD
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is defined)
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\endtable
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*/
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