xserver git update 11/6/2010

1 files changed, 321 insertions, 321 deletions

diff --git a/xorg-server/hw/dmx/input/lnx-ms.c b/xorg-server/hw/dmx/input/lnx-ms.c
index 549df46e2..e6d203c4b 100644
--- a/xorg-server/hw/dmx/input/lnx-ms.c
+++ b/xorg-server/hw/dmx/input/lnx-ms.c
@@ -1,321 +1,321 @@
-/* Portions of this file were derived from the following files:
- *
- **********************************************************************
- *
- * Xserver/hw/kdrive/linux/ms.c
- *
- * Copyright (c) 2001 by Juliusz Chroboczek
- * Copyright (c) 1999 by Keith Packard
- *
- * 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 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 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
- * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * 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.
- *
- */
-
-/*
- * 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 Juliusz Chroboczek and 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-ms.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 MS mouse devices. */
-typedef struct _myPrivate {
-    DeviceIntPtr   pMouse;
-    int            fd;
-    struct termios tty;
-    enum {
-        button1 = 0x0001,
-        button2 = 0x0002,
-        button3 = 0x0004,
-        button4 = 0x0008,
-        button5 = 0x0010
-    }              buttons;
-} myPrivate;
-
-static int msLinuxReadBytes(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 msLinuxButton(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 msLinuxRead(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 = msLinuxReadBytes(priv->fd, buf, sizeof(buf), 3)) > 0) {
-	b = buf;
-	while (n >= 3) {
-	    dx   = (char)(((b[0] & 0x03) << 6) | (b[1] & 0x3f));
-	    dy   = (char)(((b[0] & 0x0c) << 4) | (b[2] & 0x3f));
-            v[0] = -dx;
-            v[1] = -dy;
-            
-            motion(pDev, v, 0, 2, 1, block);
-            msLinuxButton(pDev, enqueue, (((b[0] & 0x10) ? button3 : 0)
-                                          | ((b[0] & 0x20) ? button1 : 0)),
-                          block);
-            n -= 3;
-            b += 3;
-	}
-    }
-}
-
-/** Initialize \a pDev. */
-void msLinuxInit(DevicePtr pDev)
-{
-    GETPRIV;
-    const char *names[] = { "/dev/serialmouse", "/dev/mouse", 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("msLinuxInit: Cannot open mouse port (%s)\n",
-               strerror(errno));
-    
-    if (!isatty(priv->fd))
-        FATAL1("msLinuxInit: Mouse port %s is not a tty\n", names[i]);
-
-    if (tcgetattr(priv->fd, &priv->tty) < 0)
-        FATAL1("msLinuxInit: tcgetattr failed (%s)\n", strerror(errno));
-
-    write(priv->fd, "*n", 2);   /* 1200 baud */
-    usleep(100000);
-}
-
-/** Turn \a pDev on (i.e., take input from \a pDev). */
-int msLinuxOn(DevicePtr pDev)
-{
-    GETPRIV;
-    struct termios nTty;
-
-    if (priv->fd < 0) msLinuxInit(pDev);
-    
-    nTty             = priv->tty;
-    nTty.c_iflag    &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR
-                         | IGNCR | ICRNL | IXON | IXOFF);
-    nTty.c_oflag    &= ~OPOST;
-    nTty.c_lflag    &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
-    nTty.c_cflag    &= ~(CSIZE | PARENB);
-    nTty.c_cflag    |= CS8 | CLOCAL | CSTOPB;
-    nTty.c_cc[VTIME] = 0;
-    nTty.c_cc[VMIN]  = 1;
-    cfsetispeed (&nTty, B1200);
-    cfsetospeed (&nTty, B1200);
-    if (tcsetattr(priv->fd, TCSANOW, &nTty) < 0)
-        FATAL1("msLinuxInit: tcsetattr failed (%s)\n", strerror(errno));
-    write(priv->fd, "*V", 2);   /* 2 button 3 byte protocol */
-    return priv->fd;
-}
-
-/** Turn \a pDev off (i.e., stop taking input from \a pDev). */
-void msLinuxOff(DevicePtr pDev)
-{
-    GETPRIV;
-
-    tcsetattr(priv->fd, TCSANOW, &priv->tty);
-    close(priv->fd);
-    priv->fd = -1;
-}
-
-static void msLinuxGetMap(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 msLinuxVTPreSwitch(pointer p)
-{
-}
-
-/** Currently unused hook called after returning from a VT switch. */
-void msLinuxVTPostSwitch(pointer p)
-{
-}
-
-/** Create a private structure for use within this file. */
-pointer msLinuxCreatePrivate(DeviceIntPtr pMouse)
-{
-    myPrivate *priv = calloc(1, sizeof(*priv));
-    priv->fd     = -1;
-    priv->pMouse = pMouse;
-    return priv;
-}
-
-/** Destroy a private structure. */
-void msLinuxDestroyPrivate(pointer priv)
-{
-    if (priv) free(priv);
-}
-
-/** Fill the \a info structure with information needed to initialize \a
- * pDev. */ 
-void msLinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
-{
-    info->buttonClass      = 1;
-    msLinuxGetMap(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/ms.c

+ *

+ * Copyright (c) 2001 by Juliusz Chroboczek

+ * Copyright (c) 1999 by Keith Packard

+ *

+ * 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 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 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

+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

+ * 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.

+ *

+ */

+

+/*

+ * 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 Juliusz Chroboczek and 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-ms.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 MS mouse devices. */

+typedef struct _myPrivate {

+    DeviceIntPtr   pMouse;

+    int            fd;

+    struct termios tty;

+    enum {

+        button1 = 0x0001,

+        button2 = 0x0002,

+        button3 = 0x0004,

+        button4 = 0x0008,

+        button5 = 0x0010

+    }              buttons;

+} myPrivate;

+

+static int msLinuxReadBytes(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 msLinuxButton(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 msLinuxRead(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 = msLinuxReadBytes(priv->fd, buf, sizeof(buf), 3)) > 0) {

+	b = buf;

+	while (n >= 3) {

+	    dx   = (char)(((b[0] & 0x03) << 6) | (b[1] & 0x3f));

+	    dy   = (char)(((b[0] & 0x0c) << 4) | (b[2] & 0x3f));

+            v[0] = -dx;

+            v[1] = -dy;

+            

+            motion(pDev, v, 0, 2, 1, block);

+            msLinuxButton(pDev, enqueue, (((b[0] & 0x10) ? button3 : 0)

+                                          | ((b[0] & 0x20) ? button1 : 0)),

+                          block);

+            n -= 3;

+            b += 3;

+	}

+    }

+}

+

+/** Initialize \a pDev. */

+void msLinuxInit(DevicePtr pDev)

+{

+    GETPRIV;

+    const char *names[] = { "/dev/serialmouse", "/dev/mouse", 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("msLinuxInit: Cannot open mouse port (%s)\n",

+               strerror(errno));

+    

+    if (!isatty(priv->fd))

+        FATAL1("msLinuxInit: Mouse port %s is not a tty\n", names[i]);

+

+    if (tcgetattr(priv->fd, &priv->tty) < 0)

+        FATAL1("msLinuxInit: tcgetattr failed (%s)\n", strerror(errno));

+

+    write(priv->fd, "*n", 2);   /* 1200 baud */

+    usleep(100000);

+}

+

+/** Turn \a pDev on (i.e., take input from \a pDev). */

+int msLinuxOn(DevicePtr pDev)

+{

+    GETPRIV;

+    struct termios nTty;

+

+    if (priv->fd < 0) msLinuxInit(pDev);

+    

+    nTty             = priv->tty;

+    nTty.c_iflag    &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR

+                         | IGNCR | ICRNL | IXON | IXOFF);

+    nTty.c_oflag    &= ~OPOST;

+    nTty.c_lflag    &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);

+    nTty.c_cflag    &= ~(CSIZE | PARENB);

+    nTty.c_cflag    |= CS8 | CLOCAL | CSTOPB;

+    nTty.c_cc[VTIME] = 0;

+    nTty.c_cc[VMIN]  = 1;

+    cfsetispeed (&nTty, B1200);

+    cfsetospeed (&nTty, B1200);

+    if (tcsetattr(priv->fd, TCSANOW, &nTty) < 0)

+        FATAL1("msLinuxInit: tcsetattr failed (%s)\n", strerror(errno));

+    write(priv->fd, "*V", 2);   /* 2 button 3 byte protocol */

+    return priv->fd;

+}

+

+/** Turn \a pDev off (i.e., stop taking input from \a pDev). */

+void msLinuxOff(DevicePtr pDev)

+{

+    GETPRIV;

+

+    tcsetattr(priv->fd, TCSANOW, &priv->tty);

+    close(priv->fd);

+    priv->fd = -1;

+}

+

+static void msLinuxGetMap(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 msLinuxVTPreSwitch(pointer p)

+{

+}

+

+/** Currently unused hook called after returning from a VT switch. */

+void msLinuxVTPostSwitch(pointer p)

+{

+}

+

+/** Create a private structure for use within this file. */

+pointer msLinuxCreatePrivate(DeviceIntPtr pMouse)

+{

+    myPrivate *priv = calloc(1, sizeof(*priv));

+    priv->fd     = -1;

+    priv->pMouse = pMouse;

+    return priv;

+}

+

+/** Destroy a private structure. */

+void msLinuxDestroyPrivate(pointer priv)

+{

+    free(priv);

+}

+

+/** Fill the \a info structure with information needed to initialize \a

+ * pDev. */ 

+void msLinuxGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)

+{

+    info->buttonClass      = 1;

+    msLinuxGetMap(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;

+}