Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 383 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/dmx/input/usb-common.c b/nx-X11/programs/Xserver/hw/dmx/input/usb-common.c
new file mode 100644
index 000000000..a6fe7ad3b
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/dmx/input/usb-common.c
@@ -0,0 +1,383 @@
+/* $XFree86$ */
+/*
+ * Copyright 2002-2003 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
+ *
+ * Routines that are common between #usb-keyboard.c, #usb-mouse.c, and
+ * #usb-other.c */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "usb-private.h"
+
+#define USB_COMMON_DEBUG 1
+
+/*****************************************************************************/
+/* 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 "usb-mouse.h"
+
+#define GETPRIV       myPrivate *priv                                         \
+                      = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
+
+#define GETNAME       ((DMXLocalInputInfoPtr)(pDevice->public.devicePrivate)) \
+                      ->name
+
+#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 LOG1INPUT(p,f,a)         dmxLogInput(p->dmxInput,f,a)
+#define LOG3INPUT(p,f,a,b,c)     dmxLogInput(p->dmxInput,f,a,b,c)
+#define LOG5INPUT(p,f,a,b,c,d,e) dmxLogInput(p->dmxInput,f,a,b,c,d,e)
+#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. */
+/*****************************************************************************/
+
+
+/** Read an event from the \a pDev device.  If the event is a motion
+ * event, enqueue it with the \a motion function.  Otherwise, 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.
+ *
+ * Since USB devices return EV_KEY events for buttons and keys, \a
+ * minButton is used to decide if a Button or Key event should be
+ * queued.*/
+void usbRead(DevicePtr pDev,
+             MOTIONPROC motion,
+             ENQUEUEPROC enqueue,
+             int minButton,
+             BLOCK block)
+{
+    GETPRIV;
+    struct input_event raw;
+    int                v[DMX_MAX_AXES];
+    int                axis;
+
+#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)
+
+    while (read(priv->fd, &raw, sizeof(raw)) > 0) {
+#if USB_COMMON_DEBUG > 1
+        LOG3("USB: type = %d, code = 0x%02x, value = %d\n",
+             raw.type, raw.code, raw.value);
+#endif
+        switch (raw.type) {
+        case EV_KEY:
+                                /* raw.value = 1 for first, 2 for repeat */
+            if (raw.code > minButton) {
+                if (raw.value) PRESS((raw.code & 0x0f) + 1);
+                else           RELEASE((raw.code & 0x0f) + 1);
+            } else {
+                enqueue(pDev, raw.value ? KeyPress : KeyRelease,
+                        0, 0, NULL, block);
+            }
+            break;
+        case EV_REL:
+            switch (raw.code) {
+            case REL_X:
+                v[0] = -raw.value;
+                v[1] = 0;
+                motion(pDev, v, 0, 2, DMX_RELATIVE, block);
+                break;
+            case REL_Y:
+                v[0] = 0;
+                v[1] = -raw.value;
+                motion(pDev, v, 0, 2, DMX_RELATIVE, block);
+                break;
+            case REL_WHEEL:
+                if ((int)raw.value > 0) {
+                    PRESS(4);
+                    RELEASE(4);
+                } else if ((int)raw.value < 0) {
+                    PRESS(5);
+                    RELEASE(5);
+                }
+                break;
+            default:
+                memset(v, 0, sizeof(v));
+                axis = priv->relmap[raw.code];
+                v[axis] = raw.value;
+                motion(pDev, v, axis, 1, DMX_RELATIVE, block);
+            }
+            break;
+        case EV_ABS:
+            memset(v, 0, sizeof(v));
+            axis = priv->absmap[raw.code];
+            v[axis] = raw.value;
+            motion(pDev, v, axis, 1, DMX_ABSOLUTE, block);
+            break;
+        }
+    }
+}
+
+#define test_bit(bit)  (priv->mask[(bit)/8] & (1 << ((bit)%8)))
+#define test_bits(bit) (bits[(bit)/8] & (1 << ((bit)%8)))
+
+static void usbPrint(myPrivate *priv,
+                     const char *filename, const char *devname, int fd)
+{
+    int           j, k;
+    DeviceIntPtr  pDevice = priv->pDevice;
+    unsigned char bits[KEY_MAX/8 + 1]; /* RATS: Use ok assuming that
+                                        * KEY_MAX is greater than
+                                        * REL_MAX, ABS_MAX, SND_MAX, and
+                                        * LED_MAX. */
+
+    LOG3INPUT(priv, "%s (%s) using %s\n", pDevice->name, GETNAME, filename);
+    LOG1INPUT(priv, "    %s\n", devname);
+    for (j = 0; j < EV_MAX; j++) {
+        if (test_bit(j)) {
+            const char *type  = "unknown";
+            char       extra[256]; /* FIXME: may cause buffer overflow */
+            extra[0] = '\0';
+            switch(j) {
+            case EV_KEY: type = "keys/buttons"; break;
+            case EV_REL: type = "relative";
+                memset(bits, 0, sizeof(bits));
+                ioctl(priv->fd, EVIOCGBIT(EV_REL, sizeof(bits)), bits);
+                for (k = 0; k < REL_MAX; k++) {
+                    if (test_bits(k)) switch (k) {
+                    case REL_X:      strcat(extra, " X");      break;
+                    case REL_Y:      strcat(extra, " Y");      break;
+                    case REL_Z:      strcat(extra, " Z");      break;
+                    case REL_HWHEEL: strcat(extra, " HWheel"); break;
+                    case REL_DIAL:   strcat(extra, " Dial");   break;
+                    case REL_WHEEL:  strcat(extra, " Wheel");  break;
+                    case REL_MISC:   strcat(extra, " Misc");   break;
+                    }
+                }
+                break;
+            case EV_ABS: type = "absolute";
+                memset(bits, 0, sizeof(bits));
+                ioctl(priv->fd, EVIOCGBIT(EV_ABS, sizeof(bits)), bits);
+                for (k = 0; k < ABS_MAX; k++) {
+                    if (test_bits(k)) switch (k) {
+                    case ABS_X:        strcat(extra," X");       break;
+                    case ABS_Y:        strcat(extra," Y");       break;
+                    case ABS_Z:        strcat(extra," Z");       break;
+                    case ABS_RX:       strcat(extra," RX");      break;
+                    case ABS_RY:       strcat(extra," RY");      break;
+                    case ABS_RZ:       strcat(extra," RZ");      break;
+                    case ABS_THROTTLE: strcat(extra," Throttle");break;
+                    case ABS_RUDDER:   strcat(extra," Rudder");  break;
+                    case ABS_WHEEL:    strcat(extra," Wheel");   break;
+                    case ABS_GAS:      strcat(extra," Gas");     break;
+                    case ABS_BRAKE:    strcat(extra," Break");   break;
+                    case ABS_HAT0X:    strcat(extra," Hat0X");   break;
+                    case ABS_HAT0Y:    strcat(extra," Hat0Y");   break;
+                    case ABS_HAT1X:    strcat(extra," Hat1X");   break;
+                    case ABS_HAT1Y:    strcat(extra," Hat1Y");   break;
+                    case ABS_HAT2X:    strcat(extra," Hat2X");   break;
+                    case ABS_HAT2Y:    strcat(extra," Hat2Y");   break;
+                    case ABS_HAT3X:    strcat(extra," Hat3X");   break;
+                    case ABS_HAT3Y:    strcat(extra," Hat3Y");   break;
+                    case ABS_PRESSURE: strcat(extra," Pressure");break;
+                    case ABS_DISTANCE: strcat(extra," Distance");break;
+                    case ABS_TILT_X:   strcat(extra," TiltX");   break;
+                    case ABS_TILT_Y:   strcat(extra," TiltY");   break;
+                    case ABS_MISC:     strcat(extra," Misc");    break;
+                    }
+                }
+                break;
+            case EV_MSC: type = "reserved";     break;
+            case EV_LED: type = "leds";
+                memset(bits, 0, sizeof(bits));
+                ioctl(priv->fd, EVIOCGBIT(EV_LED, sizeof(bits)), bits);
+                for (k = 0; k < LED_MAX; k++) {
+                    if (test_bits(k)) switch (k) {
+                    case LED_NUML:    strcat(extra," NumLock");  break;
+                    case LED_CAPSL:   strcat(extra," CapsLock"); break;
+                    case LED_SCROLLL: strcat(extra," ScrlLock"); break;
+                    case LED_COMPOSE: strcat(extra," Compose");  break;
+                    case LED_KANA:    strcat(extra," Kana");     break;
+                    case LED_SLEEP:   strcat(extra," Sleep");    break;
+                    case LED_SUSPEND: strcat(extra," Suspend");  break;
+                    case LED_MUTE:    strcat(extra," Mute");     break;
+                    case LED_MISC:    strcat(extra," Misc");     break;
+                    }
+                }
+                break;
+            case EV_SND: type = "sound";
+                memset(bits, 0, sizeof(bits));
+                ioctl(priv->fd, EVIOCGBIT(EV_SND, sizeof(bits)), bits);
+                for (k = 0; k < SND_MAX; k++) {
+                    if (test_bits(k)) switch (k) {
+                    case SND_CLICK:   strcat(extra," Click");    break;
+                    case SND_BELL:    strcat(extra," Bell");     break;
+                    }
+                }
+                break;
+            case EV_REP: type = "repeat";       break;
+            case EV_FF:  type = "feedback";     break;
+            }
+            LOG5INPUT(priv, "    Feature 0x%02x = %s%s%s%s\n", j, type,
+                      extra[0] ? " [" : "",
+                      extra[0] ? extra+1 : "",
+                      extra[0] ? "]" : "");
+        }
+    }
+}
+
+/** Initialized \a pDev as a \a usbMouse, \a usbKeyboard, or \a usbOther
+device. */ 
+void usbInit(DevicePtr pDev, usbType type)
+{
+    GETPRIV;
+    char          name[64];            /* RATS: Only used in XmuSnprintf */
+    int           i, j, k;
+    char          buf[256] = { 0, };   /* RATS: Use ok */
+    int           version;
+    unsigned char bits[KEY_MAX/8 + 1]; /* RATS: Use ok assuming that
+                                        * KEY_MAX is greater than
+                                        * REL_MAX, ABS_MAX, SND_MAX, and
+                                        * LED_MAX. */
+
+    if (priv->fd >=0) return;
+
+    for (i = 0; i < 32; i++) {
+        XmuSnprintf(name, sizeof(name), "/dev/input/event%d", i);
+        if ((priv->fd = open(name, O_RDWR | O_NONBLOCK, 0)) >= 0) {
+            ioctl(priv->fd, EVIOCGVERSION, &version);
+            ioctl(priv->fd, EVIOCGNAME(sizeof(buf)), buf);
+            memset(priv->mask, 0, sizeof(priv->mask));
+            ioctl(priv->fd, EVIOCGBIT(0, sizeof(priv->mask)), priv->mask);
+
+            for (j = 0; j < EV_MAX; j++) {
+                if (test_bit(j)) {
+                    switch(j) {
+                    case EV_REL:
+                        memset(bits, 0, sizeof(bits));
+                        ioctl(priv->fd, EVIOCGBIT(EV_REL, sizeof(bits)), bits);
+                        for (k = 0; k < REL_MAX; k++) {
+                            if (test_bits(k)) {
+                                if (k == REL_X)      priv->relmap[k] = 0;
+                                else if (k == REL_Y) priv->relmap[k] = 1;
+                                else priv->relmap[k] = 2 + priv->numAbs;
+                                ++priv->numRel;
+                            }
+                        }
+                        break;
+                    case EV_ABS:
+                        memset(bits, 0, sizeof(bits));
+                        ioctl(priv->fd, EVIOCGBIT(EV_ABS, sizeof(bits)), bits);
+                        for (k = 0; k < ABS_MAX; k++) {
+                            if (test_bits(k)) {
+                                priv->absmap[k] = priv->numAbs;
+                                ++priv->numAbs;
+                            }
+                        }
+                        break;
+                    case EV_LED:
+                        memset(bits, 0, sizeof(bits));
+                        ioctl(priv->fd, EVIOCGBIT(EV_LED, sizeof(bits)), bits);
+                        for (k = 0; k < LED_MAX; k++) {
+                            if (test_bits(k)) ++priv->numLeds;
+                        }
+                        break;
+                    }
+                }
+            }
+            switch (type) {
+            case usbMouse:
+                if (test_bit(EV_REL) && test_bit(EV_KEY))
+                    goto found;
+                break;
+            case usbKeyboard:
+                if (test_bit(EV_KEY) && test_bit(EV_LED) && !test_bit(EV_ABS))
+                    goto found;
+                break;
+            case usbOther:
+                if (!(test_bit(EV_REL) && test_bit(EV_KEY))
+                    && !(test_bit(EV_KEY) && test_bit(EV_LED)
+                         && !test_bit(EV_ABS)))
+                    goto found;
+                break;
+            }
+            close(priv->fd);
+            priv->fd = -1;
+        }
+    }
+    if (priv->fd < 0)
+        FATAL1("usbInit: Cannot open /dev/input/event* port (%s)\n"
+               "         If you have not done so, you may need to:\n"
+               "           rmmod mousedev; rmmod keybdev\n"
+               "           modprobe evdev\n",
+               strerror(errno));
+  found:
+    usbPrint(priv, name, buf, priv->fd);
+}
+
+/** Turn \a pDev off (i.e., stop taking input from \a pDev). */
+void usbOff(DevicePtr pDev)
+{
+    GETPRIV;
+
+    if (priv->fd >= 0) close(priv->fd);
+    priv->fd = -1;
+}
+
+/** Create a private structure for use within this file. */
+pointer usbCreatePrivate(DeviceIntPtr pDevice)
+{
+    myPrivate *priv = xalloc(sizeof(*priv));
+    memset(priv, 0, sizeof(*priv));
+    priv->fd        = -1;
+    priv->pDevice   = pDevice;
+    return priv;
+}
+
+/** Destroy a private structure. */
+void usbDestroyPrivate(pointer priv)
+{
+    if (priv) xfree(priv);
+}