Free daemon driver

A project to implement an open source driver for Apple powerbooks. The project was started as an alternative to SideTrack (which isn't free) and an improvement upon iScroll2. It acheives its advanced features by running the trackpad in what is called "absolute" mode. This means that the driver can tell exactly what part of the pad your finger is touching. The Apple driver (and iScroll2) both run the pad in "relative" mode, and while that facilitates a simpler driver because the pad does most of the work, it is very limiting of what you can do.
Most notably running in "absolute" mode allows the driver:

• Two-finger scrolling like the new Apple laptops with the new USB trackpads;
• Linear scroll regions that can be placed anywhere. This adds the functionality of a scroll-wheel;
• Hotspots to bind taps in the corners of the trackpad to alternate mouse buttons;
• Ability to remap the physical button to perform any type of mouse click.
  The driver is NOT designed for use with the new 2005 PowerBooks nor is it based upon the newer driver for them. It is entirely based upon the original Darwin ADB trackpad driver with the information for how to activate "absolute" mode taken from the ScrollPad project. The preferences daemon and the two-finger scrolling code is taken from the iScroll2 project as we didn't really want to reinvent the whole wheel. At some point we intend to remove the iScroll2 scroll code, though. We believe it is possible to make the code much better if it utilises absolute coordinate information instead of just relative movement.

IMPORTANT NOTE: If you have wiped out the contents of the /var/spool/cups folder in order to get printing restored, you need to recreate the /var/spool/cups/tmp folder and give it the proper privileges as follows:

• sudo mkdir /var/spool/cups/tmp
• sudo chown daemon:admin /var/spool/cups/tmp
• sudo chmod 1700 /var/spool/cups/tmp

This procedure will be handled by the installer in the next release.
Disclaimer:
Since this software replaces the IPP backend that ships with Jaguar (the original is saved with a ".orig" extension so that the software can be uninstalled), it should only be installed if you have non-OS X print servers and you are attempting to print to them from an OS X machine using Internet Printing Protocol (IPP). It should work just as well as the original for OS X servers, but I make no guarantees.
Description:
This is a little hack I threw together out of annoyance. It addresses a problem with certain Carbon apps and a custom print filter in Jaguar's CUPS distribution (Panther corrects this problem). Specifically, certain Carbon apps, including Adobe Acrobat Reader, produce print jobs in a PICT-encoded Postscript format. On OS X machines, the custom pictwpstops filter converts the job to straight Postscript before the normal CUPS filters get ahold of it.
Because of the way CUPS works, that conversion is done on the server side for remote (shared) printers. As long as the server is running OS X, the job is accepted and prints. However, if the server does not run OS X, e.g. a Linux server, it doesn't know what to do with a PICT-encoded Postscript file, so it just rejects the request. On the OS X side, Print Center repeatedly attempts to send the job to the server without success. This causes the job to hang up in the local queue but, because the printer is remote, the job is not cancelable.
This software fixes that problem by pre-filtering PICT-encoded Postscript into straight Postscript (which is a format recognized by all IPP print servers) using Apple's custom filter before sending the print job to the server.