TC1100 stylus buttons patch

Summary
This patch for the X server Wacom drivers maps the TC1100 stylus-activated buttons to mouse buttons 30, 31 and 32.

Patch listing
diff -rN -c linuxwacom-0.7.8-3/src/xdrv/wcmISDV4.c linuxwacom-0.7.8-3-patched/src/xdrv/wcmISDV4.c --- linuxwacom-0.7.8-3-patched/src/xdrv/wcmISDV4.c	2008-01-09 02:54:11.000000000 +0100 --- 231,263  		return n;  	else { + 	+ 	  /* handle TC1100 stylus buttons */ + 		if ((data[0] == 0xC1) && ((data[1] & 0xF0) == 0)) + 		{ + 		  DBG(2, priv->debugLevel, ErrorF("isdv4Parse Tablet Button %s\n", + 		     data[1] == 0x1 ? "rotate" : data[1] == 0x2 ? "journal" + 	        : data[1] == 0x4 ? "keyboard" : "unknown" )); + 	     + 	      /* do not reset relative values here */ + 	     ds = &common->wcmChannel[0].work; + 	     + 	      /* first send the tablet button press event */ + 	     ds->proximity = 1; + 	     ds->buttons = ((int)data[1]) << 29; + 	     ds->pressure = common->wcmMaxZ; + 	     ds->device_id = STYLUS_DEVICE_ID; + 	     ds->device_type = STYLUS_ID; + 	     xf86WcmEvent(common, 0, ds); + 	     + 	      /* then immediately after send the release event */ + 	     ds->buttons = 0; + 	     ds->pressure = 0; + 	     ds->proximity = 0; + 			xf86WcmEvent(common, 0, ds); + 	     return common->wcmPktLength; + 		} + 	 		/* Coordinate data bit check */ if (data[0] & 0x40) return common->wcmPktLength;
 * linuxwacom-0.7.8-3/src/xdrv/wcmISDV4.c	2007-08-15 01:12:39.000000000 +0200
 * 231,236 ****
 * 231,236 ****