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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Qt/Embedded environment variables</h1>
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| 33 |
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| 34 |
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| 35 |
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| 36 | <p> <center><table cellpadding="4" cellspacing="2" border="0">
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| 37 | <tr bgcolor="#a2c511"> <th valign="top">Variable <th valign="top">Notes
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| 38 | <tr bgcolor="#f0f0f0">
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| 39 | <td valign="top">QWS_SW_CURSOR
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| 40 | <td valign="top">If defined, always use a software mouse cursor even when using an
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| 41 | accelerated driver that supports a hardware cursor
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| 42 | <tr bgcolor="#d0d0d0">
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| 43 | <td valign="top">QWS_DISPLAY
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| 44 | <td valign="top">Defines the display type and framebuffer, e.g.
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| 45 | <tt>Voodoo3 Mach64:/dev/fb1</tt>
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| 46 | Defaults to an unaccelerated Linux framebuffer driver on <tt>/dev/fb0</tt>.
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| 47 | Valid drivers are QVfb, VGA16, LinuxFb (unaccelerated Linux framebuffer),
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| 48 | Mach64 (accelerated for ATI Mach64 cards such as the Rage Pro),
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| 49 | Voodoo3 (accelerated for the 3dfx Voodoo 3, should also work on Voodoo
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| 50 | Banshee), Matrox (should work on all Matrox graphics cards since the
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| 51 | Matrox Millennium), Transformed (for rotated displays), SVGALIB and
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| 52 | VNC. Transformed displays have a special format: within the
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| 53 | specification should be a multiple of 90 degrees rotation specified as
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| 54 | Rot<x>, for instance Transformed:Rot90.
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| 55 | <tr bgcolor="#f0f0f0">
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| 56 | <td valign="top">QTDIR
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| 57 | <td valign="top">If defined this tells Qt/Embedded to where to find its fonts:
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| 58 | fontdir should be in <tt>$QTDIR/etc/fonts/</tt>. If undefined it's assumed
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| 59 | to be <tt>/usr/local/qt-embedded</tt>
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| 60 | <tr bgcolor="#d0d0d0">
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| 61 | <td valign="top">QWS_SIZE
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| 62 | <td valign="top">If defined forces Qt/Embedded into a window of <width> x
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| 63 | <height> size centred within the screen, e.g. 320x200
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| 64 | <tr bgcolor="#f0f0f0">
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| 65 | <td valign="top">QWS_NOMTRR
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| 66 | <td valign="top">If defined, don't use Memory Type Range Registers to define the framebuffer
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| 67 | as write-combined on x86. Write-combining speeds up graphics output.
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| 68 | <tr bgcolor="#d0d0d0">
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| 69 | <td valign="top">QWS_CARD_SLOT
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| 70 | <td valign="top">Tells the accelerated drivers which card to attempt to accelerate.
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| 71 | This should be a path in <tt>/proc/bus/pci</tt>. It defaults to
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| 72 | <tt>/proc/bus/pci/01/00.0</tt> - the first device on the second PCI bus in the
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| 73 | system, which is normally the AGP card.
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| 74 | <tr bgcolor="#f0f0f0">
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| 75 | <td valign="top">QWS_USB_KEYBOARD
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| 76 | <td valign="top">If defined, instead of opening <tt>/dev/tty</tt> open the USB low-level
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| 77 | event device defined in QWS_USB_KEYBOARD (e.g. <tt>/dev/input/event0</tt>):
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| 78 | this is useful if you wish to run X and Qt/Embedded side by side on
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| 79 | different framebuffers.
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| 80 | <tr bgcolor="#d0d0d0">
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| 81 | <td valign="top">QWS_MOUSE_PROTO
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| 82 | <td valign="top">Defined as <type>:<device>, e.g. <tt>Microsoft:/dev/ttyS0</tt>. If you want to
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| 83 | use a USB mouse directly (separate from X) use <tt>MouseMan:/dev/input/mouse0</tt>
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| 84 | or similar. Valid mouse protocls are Auto (automatically sense protocol),
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| 85 | MouseMan, IntelliMouse, Microsoft, QVfbMouse (only useful with QVfb)
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| 86 | and TPanel, a sample touch panel driver.
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| 87 | <tr bgcolor="#f0f0f0">
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| 88 | <td valign="top">QWS_KEYBOARD
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| 89 | <td valign="top">Defines the keyboard type. Multiple keyboards can be handled at once,
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| 90 | input will be read from all of them. Valid values:
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| 91 | Buttons (an iPaq button device if QT_QWS_IPAQ is compiled, otherwise
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| 92 | one for the Cassiopeia), QVfbKeyboard (only useful with QVfb),
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| 93 | and TTY (either a USB keyboard or <tt>/dev/tty</tt> depending if QWS_USB_KEYBOARD
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| 94 | is defined)
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| 95 | <p> </table></center>
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| 102 | <td align=right><div align=right>Qt 3.3.8</div>
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