Package: xserver-xorg-input-evtouch Version: 0.8.7-3 Severity: normal Tags: patch
The patch below allows evtouch to work with the LEO 8800 touch screen controller. Quortech's open source packages are available at: ftp://ftp.quortech.com/eclipse/deb-packages xf86-input-evtouch_0.8.7-3quortech3.dsc includes this patch. -- System Information: Debian Release: 4.0 APT prefers stable APT policy: (500, 'stable') Architecture: i386 (i686) Shell: /bin/sh linked to /bin/bash Kernel: Linux 2.6.22-14-generic Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8) *** quortech-absolute-code.patch # Description: This patch adapts evtouch to certain touch screen # controllers (such as LEO 8800) that give their absolute position # with the high bit set in the code. # # Changes # o EVTouchProcessAbs() : Simplified and reworked to handle normal # and codes with high bit set. # # Feel free to send comments, critics, suggestions to w...@acm.org To # apply simply change into the toplevel directory of the source to be # modified and enter: patch -p1 < <PATH_TO_PATCH> # # All patches are available under the GNU GPL, I hope they might be # useful for you (-: # - Brett Wuth # Index: xf86-input-evtouch-0.8.7/evtouch.c =================================================================== --- xf86-input-evtouch-0.8.7.orig/evtouch.c 2009-01-15 14:14:33.000000000 -0700 +++ xf86-input-evtouch-0.8.7/evtouch.c 2009-01-15 14:14:36.000000000 -0700 @@ -342,46 +342,61 @@ } } + void EVTouchProcessAbs(EVTouchPrivatePtr priv) { - struct input_event *ev; /* packet being/just read */ - - ev = &priv->ev; + struct input_event *ev; /* packet being/just read */ - if ( (ev->code == ABS_X) || (ev->code == ABS_Z) ) { - dbg_loc( &ev->value, NULL, NULL, NULL ); + ev = &priv->ev; - if ((priv->cur_x - ev->value < priv->move_limit) - && (priv->cur_x - ev->value > -priv->move_limit)) - return; - priv->cur_x = ev->value; -// libtouchSetXPos(priv->libtouch, priv->cur_x); + switch (ev->code) { + /* At least one touch screen controller (LEO 8800) produces + * messages with bit 1 of the code turned on. So instead of ABS + * we get ABS_X|0x2 and instead of ABS_Y we get ABS_Y|0x2. These + * are normally the codes for ABS_Z and ABS_RX respectively. Not + * sure whether this is A/ a bug in the controller, B/ a bug in + * the kernel driver, or C/ a change in the definition of the code + * value. We check for either value. + */ + case ABS_X: + case ABS_X|0x2: + dbg_loc( &ev->value, NULL, NULL, NULL ); + + if ((priv->cur_x - ev->value < priv->move_limit) + && (priv->cur_x - ev->value > -priv->move_limit)) + return; + priv->cur_x = ev->value; + //libtouchSetXPos(priv->libtouch, priv->cur_x); + break; + + case ABS_Y: + case ABS_Y|0x2: + dbg_loc( NULL, &ev->value, NULL, NULL ); + + if ((priv->cur_y - ev->value < priv->move_limit) + && (priv->cur_y - ev->value > -priv->move_limit)) + return; + priv->cur_y = ev->value; + // libtouchSetYPos(priv->libtouch, priv->cur_y); + break; + + case ABS_WHEEL: + { + LocalDevicePtr local = priv->local; + if (ev->value > 0) { + for (; ev->value > 0; ev->value--) { + PostButtonEvent (local, 4,1,priv->cur_x,priv->cur_y); + PostButtonEvent (local, 4,0,priv->cur_x,priv->cur_y); } - - if ( (ev->code == ABS_Y) || (ev->code == ABS_RX) ) { - dbg_loc( NULL, &ev->value, NULL, NULL ); - - if ((priv->cur_y - ev->value < priv->move_limit) - && (priv->cur_y - ev->value > -priv->move_limit)) - return; - priv->cur_y = ev->value; -// libtouchSetYPos(priv->libtouch, priv->cur_y); - } - - if (ev->code == ABS_WHEEL) { - LocalDevicePtr local = priv->local; - if (ev->value > 0) { - for (; ev->value > 0; ev->value--) { - PostButtonEvent (local, 4,1,priv->cur_x,priv->cur_y); - PostButtonEvent (local, 4,0,priv->cur_x,priv->cur_y); - } - } else if (ev->value < 0) { - for (ev->value = -ev->value; ev->value > 0; ev->value--) { - PostButtonEvent (local, 5,1,priv->cur_x,priv->cur_y); - PostButtonEvent (local, 5,0,priv->cur_x,priv->cur_y); - } - } + } else if (ev->value < 0) { + for (ev->value = -ev->value; ev->value > 0; ev->value--) { + PostButtonEvent (local, 5,1,priv->cur_x,priv->cur_y); + PostButtonEvent (local, 5,0,priv->cur_x,priv->cur_y); } + } + } + break; + } } -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
