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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - Qt/Embedded environment variables</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><p><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align="center"> Qt/Embedded environment variables</h1><br clear="all"><p>QWS_SW_CURSORIf defined, always use a software mouse cursor even when using an accelerateddriver that supports a hardware cursor<p>QWS_DISPLAYDefines display type and framebuffer - e.g.Voodoo3Mach64:/dev/fb1Defaults to unaccelerated Linux framebuffer driver on /dev/fb0.Valid drivers are QVfb, VGA16, LinuxFb (unaccelerated Linux framebuffer),Mach64 (accelerated for ATI Mach64 cards such as the Rage Pro),Voodoo3 (accelerated for the 3dfx Voodoo 3, should also work on VoodooBanshee), Matrox (should work on all Matrox graphics cards since theMatrox Millennium), Transformed(for rotated displays), SVGALIB andVNC. Transformed displays have a special format - within the specificationshould be a multiple of 90 degrees rotation specified as Rot<x>,for instance Transformed:Rot90.<p>QTDIRIf defined tells Qt/Embedded to where to find its fonts - fontdirshould be in $QTDIR/etc/fonts/. If undefined it's assumed to be/usr/local/qt-embedded<p>QWS_SIZEIf defined forces Qt/Embedded into a window of <width>x<height> size centred within the screen, e.g. 320x200<p>QWS_NOMTRRIf defined, don't use Memory Type Range Registers to define the framebufferas write-combined on x86. Write-combining speeds up graphics output.<p>QWS_CARD_SLOTTells the accelerated drivers which card to attempt to accelerate.This should be a path in /proc/bus/pci. It defaults to/proc/bus/pci/01/00.0 - the first device on the second PCI bus in thesystem, which is normally the AGP card.<p>QWS_MOUSE_PROTODefined as <type>:<device>, e.g. Microsoft:/dev/ttyS0. If you want touse a USB mouse directly (separate from X) use MouseMan:/dev/input/mouse0or similar. Valid mouse protocls are Auto (automatically sense protocol),MouseMan, IntelliMouse, Microsoft, QVfbMouse (only useful with QVfb)and TPanel, a sample touch panel driver.<p>QWS_KEYBOARDDefines the keyboard type. Multiple keyboards can be handled at once,input will be read from all of them. Valid values:<ul> <li>Buttons - an system-dependent button device. <li>QVfbKeyboard - connect to the Qt Virtual FrameBuffer. <li>TTY:<i>device</i> - a PC101 keyboard on given device (default device is /dev/tty0). <li>USB:<i>device</i> - a PC101 keyboard on given device (default device is /dev/input/event0).</ul><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ?? 快捷鍵說明
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