diff options
author | marha <marha@users.sourceforge.net> | 2012-03-26 14:23:28 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-26 14:23:28 +0200 |
commit | 76bcc36ed305418a3ddc5752d287ede894243e1b (patch) | |
tree | bacb320c825768471ce56f058f17ce863d592376 /xorg-server/hw/dmx/input/lnx-ps2.c | |
parent | 7d894e32566b710952c44cbc71939ad1d9e2fa8d (diff) | |
parent | 0f834b91a4768673833ab4917e87d86c237bb1a6 (diff) | |
download | vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.tar.gz vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.tar.bz2 vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
pixman/pixman/pixman-mmx.c
xorg-server/Xext/shm.c
xorg-server/Xext/syncsrv.h
xorg-server/Xext/xvmain.c
xorg-server/Xi/exevents.c
xorg-server/Xi/opendev.c
xorg-server/composite/compalloc.c
xorg-server/composite/compoverlay.c
xorg-server/dix/colormap.c
xorg-server/dix/devices.c
xorg-server/dix/dispatch.c
xorg-server/dix/dixfonts.c
xorg-server/dix/eventconvert.c
xorg-server/dix/events.c
xorg-server/dix/gc.c
xorg-server/dix/getevents.c
xorg-server/dix/main.c
xorg-server/dix/privates.c
xorg-server/dix/registry.c
xorg-server/dix/resource.c
xorg-server/exa/exa_accel.c
xorg-server/exa/exa_migration_classic.c
xorg-server/exa/exa_unaccel.c
xorg-server/fb/fb.h
xorg-server/fb/fbcopy.c
xorg-server/fb/fbpixmap.c
xorg-server/glx/dispatch.h
xorg-server/glx/glapi.h
xorg-server/glx/glapi_gentable.c
xorg-server/glx/glapitable.h
xorg-server/glx/glprocs.h
xorg-server/glx/glxcmds.c
xorg-server/glx/glxcmdsswap.c
xorg-server/glx/glxdricommon.c
xorg-server/glx/glxdriswrast.c
xorg-server/glx/glxext.c
xorg-server/glx/indirect_dispatch.c
xorg-server/glx/indirect_dispatch.h
xorg-server/glx/indirect_dispatch_swap.c
xorg-server/glx/indirect_size.h
xorg-server/glx/indirect_size_get.h
xorg-server/glx/indirect_table.c
xorg-server/glx/indirect_util.c
xorg-server/glx/rensize.c
xorg-server/glx/single2swap.c
xorg-server/glx/singlepix.c
xorg-server/glx/singlepixswap.c
xorg-server/glx/singlesize.c
xorg-server/hw/dmx/dmxinit.c
xorg-server/hw/kdrive/ephyr/ephyr.c
xorg-server/hw/kdrive/ephyr/hostx.c
xorg-server/hw/kdrive/ephyr/hostx.h
xorg-server/hw/kdrive/src/kinput.c
xorg-server/hw/xfree86/common/compiler.h
xorg-server/hw/xwin/InitInput.c
xorg-server/hw/xwin/InitOutput.c
xorg-server/hw/xwin/ddraw.h
xorg-server/hw/xwin/glx/glwrap.c
xorg-server/hw/xwin/glx/indirect.c
xorg-server/hw/xwin/glx/wgl_ext_api.h
xorg-server/hw/xwin/glx/winpriv.c
xorg-server/hw/xwin/win.h
xorg-server/hw/xwin/winallpriv.c
xorg-server/hw/xwin/winauth.c
xorg-server/hw/xwin/winclipboard.h
xorg-server/hw/xwin/winclipboardinit.c
xorg-server/hw/xwin/winclipboardthread.c
xorg-server/hw/xwin/winclipboardunicode.c
xorg-server/hw/xwin/winclipboardwndproc.c
xorg-server/hw/xwin/winclipboardwrappers.c
xorg-server/hw/xwin/winclipboardxevents.c
xorg-server/hw/xwin/wincmap.c
xorg-server/hw/xwin/winconfig.c
xorg-server/hw/xwin/wincreatewnd.c
xorg-server/hw/xwin/wincursor.c
xorg-server/hw/xwin/windialogs.c
xorg-server/hw/xwin/winengine.c
xorg-server/hw/xwin/winerror.c
xorg-server/hw/xwin/wingc.c
xorg-server/hw/xwin/wingetsp.c
xorg-server/hw/xwin/winkeybd.c
xorg-server/hw/xwin/winkeybd.h
xorg-server/hw/xwin/winlayouts.h
xorg-server/hw/xwin/winmisc.c
xorg-server/hw/xwin/winmonitors.c
xorg-server/hw/xwin/winmouse.c
xorg-server/hw/xwin/winmsg.c
xorg-server/hw/xwin/winmsg.h
xorg-server/hw/xwin/winmultiwindowclass.c
xorg-server/hw/xwin/winmultiwindowicons.c
xorg-server/hw/xwin/winmultiwindowshape.c
xorg-server/hw/xwin/winmultiwindowwindow.c
xorg-server/hw/xwin/winmultiwindowwm.c
xorg-server/hw/xwin/winmultiwindowwndproc.c
xorg-server/hw/xwin/winnativegdi.c
xorg-server/hw/xwin/winpfbdd.c
xorg-server/hw/xwin/winpixmap.c
xorg-server/hw/xwin/winpolyline.c
xorg-server/hw/xwin/winprefs.c
xorg-server/hw/xwin/winprocarg.c
xorg-server/hw/xwin/winregistry.c
xorg-server/hw/xwin/winscrinit.c
xorg-server/hw/xwin/winsetsp.c
xorg-server/hw/xwin/winshaddd.c
xorg-server/hw/xwin/winshadddnl.c
xorg-server/hw/xwin/winshadgdi.c
xorg-server/hw/xwin/wintrayicon.c
xorg-server/hw/xwin/winwin32rootless.c
xorg-server/hw/xwin/winwin32rootlesswindow.c
xorg-server/hw/xwin/winwin32rootlesswndproc.c
xorg-server/hw/xwin/winwindow.c
xorg-server/hw/xwin/winwindow.h
xorg-server/hw/xwin/winwindowswm.c
xorg-server/hw/xwin/winwndproc.c
xorg-server/include/callback.h
xorg-server/include/dixstruct.h
xorg-server/include/misc.h
xorg-server/include/os.h
xorg-server/include/scrnintstr.h
xorg-server/mi/micmap.c
xorg-server/mi/miinitext.c
xorg-server/mi/mioverlay.c
xorg-server/mi/misprite.c
xorg-server/mi/mivaltree.c
xorg-server/mi/miwindow.c
xorg-server/miext/damage/damage.c
xorg-server/miext/rootless/rootlessGC.c
xorg-server/miext/rootless/rootlessWindow.c
xorg-server/os/WaitFor.c
xorg-server/os/access.c
xorg-server/os/connection.c
xorg-server/os/io.c
xorg-server/os/log.c
xorg-server/os/osinit.c
xorg-server/os/utils.c
xorg-server/os/xdmcp.c
xorg-server/os/xprintf.c
xorg-server/os/xstrans.c
xorg-server/render/mipict.c
xorg-server/xkb/xkbActions.c
xorg-server/xkb/xkbInit.c
xorg-server/xkeyboard-config/compat/default.in
Diffstat (limited to 'xorg-server/hw/dmx/input/lnx-ps2.c')
-rw-r--r-- | xorg-server/hw/dmx/input/lnx-ps2.c | 607 |
1 files changed, 318 insertions, 289 deletions
diff --git a/xorg-server/hw/dmx/input/lnx-ps2.c b/xorg-server/hw/dmx/input/lnx-ps2.c index f40441fe7..67c73a0c5 100644 --- a/xorg-server/hw/dmx/input/lnx-ps2.c +++ b/xorg-server/hw/dmx/input/lnx-ps2.c @@ -1,289 +1,318 @@ -/* Portions of this file were derived from the following files:
- *
- **********************************************************************
- *
- * Xserver/hw/kdrive/linux/ps2.c
- *
- * Copyright (c) 1999 by Keith Packard
- *
- * 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 not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS 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.
- *
- */
-
-/*
- * Copyright 2001,2003 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Rickard E. (Rik) Faith <faith@redhat.com>
- *
- */
-
-/** \file
- *
- * This code implements a low-level device driver for a serial MS mouse.
- * The code is derived from code by Keith Packard (see the source code
- * for complete references). */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "inputstr.h"
-#include <X11/Xos.h>
-#include <errno.h>
-#include <termios.h>
-
-/*****************************************************************************/
-/* Define some macros to make it easier to move this file to another
- * part of the Xserver tree. All calls to the dmx* layer are #defined
- * here for the .c file. The .h file will also have to be edited. */
-#include "dmxinputinit.h"
-#include "lnx-ps2.h"
-
-#define GETPRIV myPrivate *priv \
- = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
-
-#define LOG0(f) dmxLog(dmxDebug,f)
-#define LOG1(f,a) dmxLog(dmxDebug,f,a)
-#define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b)
-#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
-#define FATAL0(f) dmxLog(dmxFatal,f)
-#define FATAL1(f,a) dmxLog(dmxFatal,f,a)
-#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
-#define MOTIONPROC dmxMotionProcPtr
-#define ENQUEUEPROC dmxEnqueueProcPtr
-#define CHECKPROC dmxCheckSpecialProcPtr
-#define BLOCK DMXBlockType
-
-/* End of interface definitions. */
-/*****************************************************************************/
-
-/* Private area for PS/2 devices. */
-typedef struct _myPrivate {
- DeviceIntPtr pMouse;
- int fd;
- enum {
- button1 = 0x0001,
- button2 = 0x0002,
- button3 = 0x0004,
- button4 = 0x0008,
- button5 = 0x0010
- } buttons;
-} myPrivate;
-
-static int ps2LinuxReadBytes(int fd, unsigned 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 ps2LinuxButton(DevicePtr pDev, ENQUEUEPROC enqueue,
- int buttons, BLOCK block)
-{
- GETPRIV;
-
-#define PRESS(b) \
- do { \
- enqueue(pDev, ButtonPress, 0, 0, NULL, block); \
- } while (0)
-
-#define RELEASE(b) \
- do { \
- enqueue(pDev, ButtonRelease, 0, 0, NULL, block); \
- } while (0)
-
- if ((buttons & button1) && !(priv->buttons & button1)) PRESS(1);
- if (!(buttons & button1) && (priv->buttons & button1)) RELEASE(1);
-
- if ((buttons & button2) && !(priv->buttons & button2)) PRESS(2);
- if (!(buttons & button2) && (priv->buttons & button2)) RELEASE(2);
-
- if ((buttons & button3) && !(priv->buttons & button3)) PRESS(3);
- if (!(buttons & button3) && (priv->buttons & button3)) RELEASE(3);
-
- if ((buttons & button4) && !(priv->buttons & button4)) PRESS(4);
- if (!(buttons & button4) && (priv->buttons & button4)) RELEASE(4);
-
- if ((buttons & button5) && !(priv->buttons & button5)) PRESS(5);
- if (!(buttons & button5) && (priv->buttons & button5)) RELEASE(5);
-
- priv->buttons = buttons;
-}
-
-/** Read an event from the \a pDev device. If the event is a motion
- * event, enqueue it with the \a motion function. Otherwise, check for
- * special keys with the \a checkspecial function and enqueue the event
- * with the \a enqueue function. The \a block type is passed to the
- * functions so that they may block SIGIO handling as appropriate to the
- * caller of this function. */
-void ps2LinuxRead(DevicePtr pDev, MOTIONPROC motion,
- ENQUEUEPROC enqueue, CHECKPROC checkspecial, BLOCK block)
-{
- GETPRIV;
- unsigned char buf[3 * 200]; /* RATS: Use ok */
- unsigned char *b;
- int n;
- int dx, dy, v[2];
-
- while ((n = ps2LinuxReadBytes(priv->fd, buf, sizeof(buf), 3)) > 0) {
- b = buf;
- while (n >= 3) {
- dx = b[1] - ((b[0] & 0x10) ? 256 : 0);
- dy = -b[2] + ((b[0] & 0x20) ? 256 : 0);
- v[0] = -dx;
- v[1] = -dy;
-
- motion(pDev, v, 0, 2, 1, block);
- ps2LinuxButton(pDev, enqueue, (((b[0] & 4) ? button2 : 0)
- | ((b[0] & 2) ? button3 : 0)
- | ((b[0] & 1) ? button1 : 0)),
- block);
- n -= 3;
- b += 3;
- }
- }
-}
-
-/** Initialize \a pDev. */
-void ps2LinuxInit(DevicePtr pDev)
-{
- GETPRIV;
- const char *names[] = { "/dev/mouse", "/dev/psaux", NULL };
- int i;
-
- if (priv->fd >=0) return;
-
- for (i = 0; names[i]; i++) {
- if ((priv->fd = open(names[i], O_RDWR | O_NONBLOCK, 0)) >= 0) break;
- }
- if (priv->fd < 0)
- FATAL1("ps2LinuxInit: Cannot open mouse port (%s)\n",
- strerror(errno));
-}
-
-/** Turn \a pDev on (i.e., take input from \a pDev). */
-int ps2LinuxOn(DevicePtr pDev)
-{
- GETPRIV;
-
- if (priv->fd < 0) ps2LinuxInit(pDev);
- return priv->fd;
-}
-
-/** Turn \a pDev off (i.e., stop taking input from \a pDev). */
-void ps2LinuxOff(DevicePtr pDev)
-{
- GETPRIV;
-
- close(priv->fd);
- priv->fd = -1;
-}
-
-static void ps2LinuxGetMap(DevicePtr pDev, unsigned char *map, int *nButtons)
-{
- int i;
-
- if (nButtons) *nButtons = 3;
- if (map) for (i = 0; i <= *nButtons; i++) map[i] = i;
-}
-
-/** Currently unused hook called prior to an VT switch. */
-void ps2LinuxVTPreSwitch(pointer p)
-{
-}
-
-/** Currently unused hook called after returning from a VT switch. */
-void ps2LinuxVTPostSwitch(pointer p)
-{
-}
-
-/** Create a private structure for use within this file. */
-pointer ps2LinuxCreatePrivate(DeviceIntPtr pMouse)
-{
- myPrivate *priv = calloc(1, sizeof(*priv));
- priv->fd = -1;
- priv->pMouse = pMouse;
- return priv;
-}
-
-/** Destroy a private structure. */
-void ps2LinuxDestroyPrivate(pointer priv)
-{
- free(priv);
-}
-
-/** Fill the \a info structure with information needed to initialize \a
- * pDev. */
-void ps2LinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
-{
- info->buttonClass = 1;
- ps2LinuxGetMap(pDev, info->map, &info->numButtons);
- info->valuatorClass = 1;
- info->numRelAxes = 2;
- info->minval[0] = 0;
- info->maxval[0] = 0;
- info->res[0] = 1;
- info->minres[0] = 0;
- info->maxres[0] = 1;
- info->ptrFeedbackClass = 1;
-}
+/* Portions of this file were derived from the following files: + * + ********************************************************************** + * + * Xserver/hw/kdrive/linux/ps2.c + * + * Copyright (c) 1999 by Keith Packard + * + * 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 not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS 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. + * + */ + +/* + * Copyright 2001,2003 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/** \file + * + * This code implements a low-level device driver for a serial MS mouse. + * The code is derived from code by Keith Packard (see the source code + * for complete references). */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include "inputstr.h" +#include <X11/Xos.h> +#include <errno.h> +#include <termios.h> + +/*****************************************************************************/ +/* Define some macros to make it easier to move this file to another + * part of the Xserver tree. All calls to the dmx* layer are #defined + * here for the .c file. The .h file will also have to be edited. */ +#include "dmxinputinit.h" +#include "lnx-ps2.h" + +#define GETPRIV myPrivate *priv \ + = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private + +#define LOG0(f) dmxLog(dmxDebug,f) +#define LOG1(f,a) dmxLog(dmxDebug,f,a) +#define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b) +#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c) +#define FATAL0(f) dmxLog(dmxFatal,f) +#define FATAL1(f,a) dmxLog(dmxFatal,f,a) +#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b) +#define MOTIONPROC dmxMotionProcPtr +#define ENQUEUEPROC dmxEnqueueProcPtr +#define CHECKPROC dmxCheckSpecialProcPtr +#define BLOCK DMXBlockType + +/* End of interface definitions. */ +/*****************************************************************************/ + +/* Private area for PS/2 devices. */ +typedef struct _myPrivate { + DeviceIntPtr pMouse; + int fd; + enum { + button1 = 0x0001, + button2 = 0x0002, + button3 = 0x0004, + button4 = 0x0008, + button5 = 0x0010 + } buttons; +} myPrivate; + +static int +ps2LinuxReadBytes(int fd, unsigned 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 +ps2LinuxButton(DevicePtr pDev, ENQUEUEPROC enqueue, int buttons, BLOCK block) +{ + GETPRIV; + +#define PRESS(b) \ + do { \ + enqueue(pDev, ButtonPress, 0, 0, NULL, block); \ + } while (0) + +#define RELEASE(b) \ + do { \ + enqueue(pDev, ButtonRelease, 0, 0, NULL, block); \ + } while (0) + + if ((buttons & button1) && !(priv->buttons & button1)) + PRESS(1); + if (!(buttons & button1) && (priv->buttons & button1)) + RELEASE(1); + + if ((buttons & button2) && !(priv->buttons & button2)) + PRESS(2); + if (!(buttons & button2) && (priv->buttons & button2)) + RELEASE(2); + + if ((buttons & button3) && !(priv->buttons & button3)) + PRESS(3); + if (!(buttons & button3) && (priv->buttons & button3)) + RELEASE(3); + + if ((buttons & button4) && !(priv->buttons & button4)) + PRESS(4); + if (!(buttons & button4) && (priv->buttons & button4)) + RELEASE(4); + + if ((buttons & button5) && !(priv->buttons & button5)) + PRESS(5); + if (!(buttons & button5) && (priv->buttons & button5)) + RELEASE(5); + + priv->buttons = buttons; +} + +/** Read an event from the \a pDev device. If the event is a motion + * event, enqueue it with the \a motion function. Otherwise, check for + * special keys with the \a checkspecial function and enqueue the event + * with the \a enqueue function. The \a block type is passed to the + * functions so that they may block SIGIO handling as appropriate to the + * caller of this function. */ +void +ps2LinuxRead(DevicePtr pDev, MOTIONPROC motion, + ENQUEUEPROC enqueue, CHECKPROC checkspecial, BLOCK block) +{ + GETPRIV; + unsigned char buf[3 * 200]; /* RATS: Use ok */ + unsigned char *b; + int n; + int dx, dy, v[2]; + + while ((n = ps2LinuxReadBytes(priv->fd, buf, sizeof(buf), 3)) > 0) { + b = buf; + while (n >= 3) { + dx = b[1] - ((b[0] & 0x10) ? 256 : 0); + dy = -b[2] + ((b[0] & 0x20) ? 256 : 0); + v[0] = -dx; + v[1] = -dy; + + motion(pDev, v, 0, 2, 1, block); + ps2LinuxButton(pDev, enqueue, (((b[0] & 4) ? button2 : 0) + | ((b[0] & 2) ? button3 : 0) + | ((b[0] & 1) ? button1 : 0)), + block); + n -= 3; + b += 3; + } + } +} + +/** Initialize \a pDev. */ +void +ps2LinuxInit(DevicePtr pDev) +{ + GETPRIV; + const char *names[] = { "/dev/mouse", "/dev/psaux", NULL }; + int i; + + if (priv->fd >= 0) + return; + + for (i = 0; names[i]; i++) { + if ((priv->fd = open(names[i], O_RDWR | O_NONBLOCK, 0)) >= 0) + break; + } + if (priv->fd < 0) + FATAL1("ps2LinuxInit: Cannot open mouse port (%s)\n", strerror(errno)); +} + +/** Turn \a pDev on (i.e., take input from \a pDev). */ +int +ps2LinuxOn(DevicePtr pDev) +{ + GETPRIV; + + if (priv->fd < 0) + ps2LinuxInit(pDev); + return priv->fd; +} + +/** Turn \a pDev off (i.e., stop taking input from \a pDev). */ +void +ps2LinuxOff(DevicePtr pDev) +{ + GETPRIV; + + close(priv->fd); + priv->fd = -1; +} + +static void +ps2LinuxGetMap(DevicePtr pDev, unsigned char *map, int *nButtons) +{ + int i; + + if (nButtons) + *nButtons = 3; + if (map) + for (i = 0; i <= *nButtons; i++) + map[i] = i; +} + +/** Currently unused hook called prior to an VT switch. */ +void +ps2LinuxVTPreSwitch(pointer p) +{ +} + +/** Currently unused hook called after returning from a VT switch. */ +void +ps2LinuxVTPostSwitch(pointer p) +{ +} + +/** Create a private structure for use within this file. */ +pointer +ps2LinuxCreatePrivate(DeviceIntPtr pMouse) +{ + myPrivate *priv = calloc(1, sizeof(*priv)); + + priv->fd = -1; + priv->pMouse = pMouse; + return priv; +} + +/** Destroy a private structure. */ +void +ps2LinuxDestroyPrivate(pointer priv) +{ + free(priv); +} + +/** Fill the \a info structure with information needed to initialize \a + * pDev. */ +void +ps2LinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) +{ + info->buttonClass = 1; + ps2LinuxGetMap(pDev, info->map, &info->numButtons); + info->valuatorClass = 1; + info->numRelAxes = 2; + info->minval[0] = 0; + info->maxval[0] = 0; + info->res[0] = 1; + info->minres[0] = 0; + info->maxres[0] = 1; + info->ptrFeedbackClass = 1; +} |