diff options
Diffstat (limited to 'hw/kdrive/linux/ts.c')
| -rw-r--r-- | hw/kdrive/linux/ts.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/hw/kdrive/linux/ts.c b/hw/kdrive/linux/ts.c deleted file mode 100644 index 9051c0d61..000000000 --- a/hw/kdrive/linux/ts.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * $RCSId: xc/programs/Xserver/hw/kdrive/linux/ts.c,v 1.9 2002/08/15 18:07:48 keithp Exp $ - * - * Derived from ps2.c by Jim Gettys - * - * Copyright © 1999 Keith Packard - * Copyright © 2000 Compaq Computer Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard or Compaq not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard and Compaq makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD AND COMPAQ DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, - * IN NO EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#define NEED_EVENTS -#include <X11/X.h> -#include <X11/Xproto.h> -#include <X11/Xpoll.h> -#include "inputstr.h" -#include "scrnintstr.h" -#include "kdrive.h" -#include <sys/ioctl.h> -#include <linux/h3600_ts.h> /* touch screen events */ - -static long lastx = 0, lasty = 0; - -int KdTsPhyScreen = 0; - -static int -TsReadBytes (int fd, char *buf, int len, int min) -{ - int n, tot; - fd_set set; - struct timeval tv; - - tot = 0; - while (len) - { - n = read (fd, buf, len); - if (n > 0) - { - tot += n; - buf += n; - len -= n; - } - if (tot % min == 0) - break; - FD_ZERO (&set); - FD_SET (fd, &set); - tv.tv_sec = 0; - tv.tv_usec = 100 * 1000; - n = select (fd + 1, &set, 0, 0, &tv); - if (n <= 0) - break; - } - return tot; -} - -static void -TsRead (int tsPort, void *closure) -{ - KdMouseInfo *mi = closure; - TS_EVENT event; - int n; - long x, y; - unsigned long flags; - - n = TsReadBytes (tsPort, (char *) &event, sizeof (event), sizeof (event)); - if (n == sizeof (event)) - { - if (event.pressure) - { - /* - * HACK ATTACK. (static global variables used !) - * Here we test for the touch screen driver actually being on the - * touch screen, if it is we send absolute coordinates. If not, - * then we send delta's so that we can track the entire vga screen. - */ - if (KdCurScreen == KdTsPhyScreen) { - flags = KD_BUTTON_1; - x = event.x; - y = event.y; - } - else - { - flags = /* KD_BUTTON_1 |*/ KD_MOUSE_DELTA; - if ((lastx == 0) || (lasty == 0)) { - x = 0; - y = 0; - } else { - x = event.x - lastx; - y = event.y - lasty; - } - lastx = event.x; - lasty = event.y; - } - } else { - flags = KD_MOUSE_DELTA; - x = 0; - y = 0; - lastx = 0; - lasty = 0; - } - KdEnqueueMouseEvent (mi, flags, x, y); - } -} - -char *TsNames[] = { - "/dev/ts", - "/dev/h3600_ts" /* temporary name; note this code can try - to open more than one device */ -}; - -#define NUM_TS_NAMES (sizeof (TsNames) / sizeof (TsNames[0])) - -int TsInputType; - -static int -TsEnable (int fd, void *closure) -{ - KdMouseInfo *mi = (KdMouseInfo *)closure; - - return open (mi->name, 0); -} - -static void -TsDisable (int fd, void *closure) -{ - close (fd); -} - -static int -TsInit (void) -{ - int i; - int fd; - KdMouseInfo *mi, *next; - int n = 0; - - if (!TsInputType) - TsInputType = KdAllocInputType (); - - for (mi = kdMouseInfo; mi; mi = next) - { - next = mi->next; - if (mi->inputType) - continue; - if (!mi->name) - { - for (i = 0; i < NUM_TS_NAMES; i++) - { - fd = open (TsNames[i], 0); - if (fd >= 0) - { - mi->name = KdSaveString (TsNames[i]); - break; - } - } - } - else - fd = open (mi->name, 0); - if (fd >= 0) - { - struct h3600_ts_calibration cal; - /* - * Check to see if this is a touch screen - */ - if (ioctl (fd, TS_GET_CAL, &cal) != -1) - { - mi->driver = (void *) fd; - mi->inputType = TsInputType; - if (KdRegisterFd (TsInputType, fd, TsRead, (void *) mi)) - { - /* Set callbacks for vt switches etc */ - KdRegisterFdEnableDisable (fd, TsEnable, TsDisable); - - n++; - } - } - else - close (fd); - } - } - - return 0; -} - -static void -TsFini (void) -{ - KdMouseInfo *mi; - - KdUnregisterFds (TsInputType, TRUE); - for (mi = kdMouseInfo; mi; mi = mi->next) - { - if (mi->inputType == TsInputType) - { - mi->driver = 0; - mi->inputType = 0; - } - } -} - -KdMouseFuncs TsFuncs = { - TsInit, - TsFini -}; |