emb-envvars.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/doc/envvars.doc:36 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>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: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><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> <p> <center><table cellpadding="4" cellspacing="2" border="0"><tr bgcolor="#a2c511"> <th valign="top">Variable <th valign="top">Notes<tr bgcolor="#f0f0f0"><td valign="top">QWS_SW_CURSOR<td valign="top">If defined, always use a software mouse cursor even when using anaccelerated driver that supports a hardware cursor<tr bgcolor="#d0d0d0"><td valign="top">QWS_DISPLAY<td valign="top">Defines display type and framebuffer, e.g.<tt>Voodoo3 Mach64:/dev/fb1</tt>Defaults to unaccelerated Linux framebuffer driver on <tt>/dev/fb0</tt>.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.<tr bgcolor="#f0f0f0"><td valign="top">QTDIR<td valign="top">If defined tells Qt/Embedded to where to find its fonts - fontdirshould be in <tt>$QTDIR/etc/fonts/</tt>. If undefined it's assumed to be<tt>/usr/local/qt-embedded</tt><tr bgcolor="#d0d0d0"><td valign="top">QWS_SIZE<td valign="top">If defined forces Qt/Embedded into a window of <width> x<height> size centred within the screen, e.g. 320x200<tr bgcolor="#f0f0f0"><td valign="top">QWS_NOMTRR<td valign="top">If defined, don't use Memory Type Range Registers to define the framebufferas write-combined on x86. Write-combining speeds up graphics output.<tr bgcolor="#d0d0d0"><td valign="top">QWS_CARD_SLOT<td valign="top">Tells the accelerated drivers which card to attempt to accelerate.This should be a path in <tt>/proc/bus/pci</tt>. It defaults to<tt>/proc/bus/pci/01/00.0</tt> - the first device on the second PCI bus in thesystem, which is normally the AGP card.<tr bgcolor="#f0f0f0"><td valign="top">QWS_USB_KEYBOARD<td valign="top">If defined, instead of opening <tt>/dev/tty</tt> open the USB low-levelevent device defined in QWS_USB_KEYBOARD (e.g. <tt>/dev/input/event0</tt>) -this is useful if you wish to run X and Qt/Embedded side by side ondifferent framebuffers.<tr bgcolor="#d0d0d0"><td valign="top">QWS_MOUSE_PROTO<td valign="top">Defined as <type>:<device>, e.g. <tt>Microsoft:/dev/ttyS0</tt>. If you want touse a USB mouse directly (separate from X) use <tt>MouseMan:/dev/input/mouse0</tt>or similar. Valid mouse protocls are Auto (automatically sense protocol),MouseMan, IntelliMouse, Microsoft, QVfbMouse (only useful with QVfb)and TPanel, a sample touch panel driver.<tr bgcolor="#f0f0f0"><td valign="top">QWS_KEYBOARD<td valign="top">Defines the keyboard type. Multiple keyboards can be handled at once,input will be read from all of them. Valid values:Buttons (an iPaq button device if QT_QWS_IPAQ is compiled, otherwiseone for the Cassiopeia), QVfbKeyboard (only useful with QVfb),and TTY (either a USB keyboard or <tt>/dev/tty</tt> depending if QWS_USB_KEYBOARDis defined)<p> </table></center><p> <!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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