diff options
Diffstat (limited to 'xorg-server/Xi/listdev.c')
| -rw-r--r-- | xorg-server/Xi/listdev.c | 868 |
1 files changed, 434 insertions, 434 deletions
diff --git a/xorg-server/Xi/listdev.c b/xorg-server/Xi/listdev.c index 98ef7aa43..2015f9cdd 100644 --- a/xorg-server/Xi/listdev.c +++ b/xorg-server/Xi/listdev.c @@ -1,434 +1,434 @@ -/************************************************************ - -Copyright 1989, 1998 The Open Group - -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. - -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 -OPEN GROUP 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. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -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 Hewlett-Packard not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -HEWLETT-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. - -********************************************************/ - -/*********************************************************************** - * - * Extension function to list the available input devices. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> /* for inputstr.h */ -#include <X11/Xproto.h> /* Request macro */ -#include "inputstr.h" /* DeviceIntPtr */ -#include <X11/extensions/XI.h> -#include <X11/extensions/XIproto.h> -#include "XIstubs.h" -#include "extnsionst.h" -#include "exevents.h" -#include "xace.h" -#include "xkbsrv.h" -#include "xkbstr.h" - -#include "listdev.h" - - -/*********************************************************************** - * - * This procedure lists the input devices available to the server. - * - */ - -int -SProcXListInputDevices(ClientPtr client) -{ - char n; - - REQUEST(xListInputDevicesReq); - swaps(&stuff->length, n); - return (ProcXListInputDevices(client)); -} - -/*********************************************************************** - * - * This procedure calculates the size of the information to be returned - * for an input device. - * - */ - -static void -SizeDeviceInfo(DeviceIntPtr d, int *namesize, int *size) -{ - int chunks; - - *namesize += 1; - if (d->name) - *namesize += strlen(d->name); - if (d->key != NULL) - *size += sizeof(xKeyInfo); - if (d->button != NULL) - *size += sizeof(xButtonInfo); - if (d->valuator != NULL) { - chunks = ((int)d->valuator->numAxes + 19) / VPC; - *size += (chunks * sizeof(xValuatorInfo) + - d->valuator->numAxes * sizeof(xAxisInfo)); - } -} - -/*********************************************************************** - * - * This procedure copies data to the DeviceInfo struct, swapping if necessary. - * - * We need the extra byte in the allocated buffer, because the trailing null - * hammers one extra byte, which is overwritten by the next name except for - * the last name copied. - * - */ - -static void -CopyDeviceName(char **namebuf, char *name) -{ - char *nameptr = (char *)*namebuf; - - if (name) { - *nameptr++ = strlen(name); - strcpy(nameptr, name); - *namebuf += (strlen(name) + 1); - } else { - *nameptr++ = 0; - *namebuf += 1; - } -} - -/*********************************************************************** - * - * This procedure copies ButtonClass information, swapping if necessary. - * - */ - -static void -CopySwapButtonClass(ClientPtr client, ButtonClassPtr b, char **buf) -{ - char n; - xButtonInfoPtr b2; - - b2 = (xButtonInfoPtr) * buf; - b2->class = ButtonClass; - b2->length = sizeof(xButtonInfo); - b2->num_buttons = b->numButtons; - if (client && client->swapped) { - swaps(&b2->num_buttons, n); /* macro - braces are required */ - } - *buf += sizeof(xButtonInfo); -} - -/*********************************************************************** - * - * This procedure copies data to the DeviceInfo struct, swapping if necessary. - * - */ - -static void -CopySwapDevice(ClientPtr client, DeviceIntPtr d, int num_classes, - char **buf) -{ - char n; - xDeviceInfoPtr dev; - - dev = (xDeviceInfoPtr) * buf; - - dev->id = d->id; - dev->type = d->xinput_type; - dev->num_classes = num_classes; - if (IsMaster(d) && IsKeyboardDevice(d)) - dev->use = IsXKeyboard; - else if (IsMaster(d) && IsPointerDevice(d)) - dev->use = IsXPointer; - else if (d->key && d->kbdfeed) - dev->use = IsXExtensionKeyboard; - else if (d->valuator && d->button) - dev->use = IsXExtensionPointer; - else - dev->use = IsXExtensionDevice; - - if (client->swapped) { - swapl(&dev->type, n); /* macro - braces are required */ - } - *buf += sizeof(xDeviceInfo); -} - -/*********************************************************************** - * - * This procedure copies KeyClass information, swapping if necessary. - * - */ - -static void -CopySwapKeyClass(ClientPtr client, KeyClassPtr k, char **buf) -{ - char n; - xKeyInfoPtr k2; - - k2 = (xKeyInfoPtr) * buf; - k2->class = KeyClass; - k2->length = sizeof(xKeyInfo); - k2->min_keycode = k->xkbInfo->desc->min_key_code; - k2->max_keycode = k->xkbInfo->desc->max_key_code; - k2->num_keys = k2->max_keycode - k2->min_keycode + 1; - if (client && client->swapped) { - swaps(&k2->num_keys, n); - } - *buf += sizeof(xKeyInfo); -} - -/*********************************************************************** - * - * This procedure copies ValuatorClass information, swapping if necessary. - * - * Devices may have up to 255 valuators. The length of a ValuatorClass is - * defined to be sizeof(ValuatorClassInfo) + num_axes * sizeof (xAxisInfo). - * The maximum length is therefore (8 + 255 * 12) = 3068. However, the - * length field is one byte. If a device has more than 20 valuators, we - * must therefore return multiple valuator classes to the client. - * - */ - -static int -CopySwapValuatorClass(ClientPtr client, ValuatorClassPtr v, char **buf) -{ - int i, j, axes, t_axes; - char n; - xValuatorInfoPtr v2; - AxisInfo *a; - xAxisInfoPtr a2; - - for (i = 0, axes = v->numAxes; i < ((v->numAxes + 19) / VPC); - i++, axes -= VPC) { - t_axes = axes < VPC ? axes : VPC; - if (t_axes < 0) - t_axes = v->numAxes % VPC; - v2 = (xValuatorInfoPtr) * buf; - v2->class = ValuatorClass; - v2->length = sizeof(xValuatorInfo) + t_axes * sizeof(xAxisInfo); - v2->num_axes = t_axes; - v2->mode = v->mode & DeviceMode; - v2->motion_buffer_size = v->numMotionEvents; - if (client && client->swapped) { - swapl(&v2->motion_buffer_size, n); - } - *buf += sizeof(xValuatorInfo); - a = v->axes + (VPC * i); - a2 = (xAxisInfoPtr) * buf; - for (j = 0; j < t_axes; j++) { - a2->min_value = a->min_value; - a2->max_value = a->max_value; - a2->resolution = a->resolution; - if (client && client->swapped) { - swapl(&a2->min_value, n); - swapl(&a2->max_value, n); - swapl(&a2->resolution, n); - } - a2++; - a++; - *buf += sizeof(xAxisInfo); - } - } - return (i); -} - -static void -CopySwapClasses(ClientPtr client, DeviceIntPtr dev, CARD8 *num_classes, - char** classbuf) -{ - if (dev->key != NULL) { - CopySwapKeyClass(client, dev->key, classbuf); - (*num_classes)++; - } - if (dev->button != NULL) { - CopySwapButtonClass(client, dev->button, classbuf); - (*num_classes)++; - } - if (dev->valuator != NULL) { - (*num_classes) += - CopySwapValuatorClass(client, dev->valuator, classbuf); - } -} - -/*********************************************************************** - * - * This procedure lists information to be returned for an input device. - * - */ - -static void -ListDeviceInfo(ClientPtr client, DeviceIntPtr d, xDeviceInfoPtr dev, - char **devbuf, char **classbuf, char **namebuf) -{ - CopyDeviceName(namebuf, d->name); - CopySwapDevice(client, d, 0, devbuf); - CopySwapClasses(client, d, &dev->num_classes, classbuf); -} - -/*********************************************************************** - * - * This procedure checks if a device should be left off the list. - * - */ - -static Bool -ShouldSkipDevice(ClientPtr client, DeviceIntPtr d) -{ - /* don't send master devices other than VCP/VCK */ - if (!IsMaster(d) || d == inputInfo.pointer || d == inputInfo.keyboard) - { - int rc = XaceHook(XACE_DEVICE_ACCESS, client, d, DixGetAttrAccess); - if (rc == Success) - return FALSE; - } - return TRUE; -} - - -/*********************************************************************** - * - * This procedure lists the input devices available to the server. - * - * If this request is called by a client that has not issued a - * GetExtensionVersion request with major/minor version set, we don't send the - * complete device list. Instead, we only send the VCP, the VCK and floating - * SDs. This resembles the setup found on XI 1.x machines. - */ - -int -ProcXListInputDevices(ClientPtr client) -{ - xListInputDevicesReply rep; - int numdevs = 0; - int namesize = 1; /* need 1 extra byte for strcpy */ - int i = 0, size = 0; - int total_length; - char *devbuf, *classbuf, *namebuf, *savbuf; - Bool *skip; - xDeviceInfo *dev; - DeviceIntPtr d; - - REQUEST_SIZE_MATCH(xListInputDevicesReq); - - memset(&rep, 0, sizeof(xListInputDevicesReply)); - rep.repType = X_Reply; - rep.RepType = X_ListInputDevices; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - - AddOtherInputDevices(); - - /* allocate space for saving skip value */ - skip = xcalloc(sizeof(Bool), inputInfo.numDevices); - if (!skip) - return BadAlloc; - - /* figure out which devices to skip */ - numdevs = 0; - for (d = inputInfo.devices; d; d = d->next, i++) { - skip[i] = ShouldSkipDevice(client, d); - if (skip[i]) - continue; - - SizeDeviceInfo(d, &namesize, &size); - numdevs++; - } - - for (d = inputInfo.off_devices; d; d = d->next, i++) { - skip[i] = ShouldSkipDevice(client, d); - if (skip[i]) - continue; - - SizeDeviceInfo(d, &namesize, &size); - numdevs++; - } - - /* allocate space for reply */ - total_length = numdevs * sizeof(xDeviceInfo) + size + namesize; - devbuf = (char *)xcalloc(1, total_length); - classbuf = devbuf + (numdevs * sizeof(xDeviceInfo)); - namebuf = classbuf + size; - savbuf = devbuf; - - /* fill in and send reply */ - i = 0; - dev = (xDeviceInfoPtr) devbuf; - for (d = inputInfo.devices; d; d = d->next, i++) { - if (skip[i]) - continue; - - ListDeviceInfo(client, d, dev++, &devbuf, &classbuf, &namebuf); - } - - for (d = inputInfo.off_devices; d; d = d->next, i++) { - if (skip[i]) - continue; - - ListDeviceInfo(client, d, dev++, &devbuf, &classbuf, &namebuf); - } - rep.ndevices = numdevs; - rep.length = bytes_to_int32(total_length); - WriteReplyToClient(client, sizeof(xListInputDevicesReply), &rep); - WriteToClient(client, total_length, savbuf); - xfree(savbuf); - xfree(skip); - return Success; -} - -/*********************************************************************** - * - * This procedure writes the reply for the XListInputDevices function, - * if the client and server have a different byte ordering. - * - */ - -void -SRepXListInputDevices(ClientPtr client, int size, xListInputDevicesReply * rep) -{ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - WriteToClient(client, size, (char *)rep); -} +/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+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.
+
+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
+OPEN GROUP 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.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+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 Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-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.
+
+********************************************************/
+
+/***********************************************************************
+ *
+ * Extension function to list the available input devices.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h> /* for inputstr.h */
+#include <X11/Xproto.h> /* Request macro */
+#include "inputstr.h" /* DeviceIntPtr */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "XIstubs.h"
+#include "extnsionst.h"
+#include "exevents.h"
+#include "xace.h"
+#include "xkbsrv.h"
+#include "xkbstr.h"
+
+#include "listdev.h"
+
+
+/***********************************************************************
+ *
+ * This procedure lists the input devices available to the server.
+ *
+ */
+
+int
+SProcXListInputDevices(ClientPtr client)
+{
+ char n;
+
+ REQUEST(xListInputDevicesReq);
+ swaps(&stuff->length, n);
+ return (ProcXListInputDevices(client));
+}
+
+/***********************************************************************
+ *
+ * This procedure calculates the size of the information to be returned
+ * for an input device.
+ *
+ */
+
+static void
+SizeDeviceInfo(DeviceIntPtr d, int *namesize, int *size)
+{
+ int chunks;
+
+ *namesize += 1;
+ if (d->name)
+ *namesize += strlen(d->name);
+ if (d->key != NULL)
+ *size += sizeof(xKeyInfo);
+ if (d->button != NULL)
+ *size += sizeof(xButtonInfo);
+ if (d->valuator != NULL) {
+ chunks = ((int)d->valuator->numAxes + 19) / VPC;
+ *size += (chunks * sizeof(xValuatorInfo) +
+ d->valuator->numAxes * sizeof(xAxisInfo));
+ }
+}
+
+/***********************************************************************
+ *
+ * This procedure copies data to the DeviceInfo struct, swapping if necessary.
+ *
+ * We need the extra byte in the allocated buffer, because the trailing null
+ * hammers one extra byte, which is overwritten by the next name except for
+ * the last name copied.
+ *
+ */
+
+static void
+CopyDeviceName(char **namebuf, char *name)
+{
+ char *nameptr = (char *)*namebuf;
+
+ if (name) {
+ *nameptr++ = strlen(name);
+ strcpy(nameptr, name);
+ *namebuf += (strlen(name) + 1);
+ } else {
+ *nameptr++ = 0;
+ *namebuf += 1;
+ }
+}
+
+/***********************************************************************
+ *
+ * This procedure copies ButtonClass information, swapping if necessary.
+ *
+ */
+
+static void
+CopySwapButtonClass(ClientPtr client, ButtonClassPtr b, char **buf)
+{
+ char n;
+ xButtonInfoPtr b2;
+
+ b2 = (xButtonInfoPtr) * buf;
+ b2->class = ButtonClass;
+ b2->length = sizeof(xButtonInfo);
+ b2->num_buttons = b->numButtons;
+ if (client && client->swapped) {
+ swaps(&b2->num_buttons, n); /* macro - braces are required */
+ }
+ *buf += sizeof(xButtonInfo);
+}
+
+/***********************************************************************
+ *
+ * This procedure copies data to the DeviceInfo struct, swapping if necessary.
+ *
+ */
+
+static void
+CopySwapDevice(ClientPtr client, DeviceIntPtr d, int num_classes,
+ char **buf)
+{
+ char n;
+ xDeviceInfoPtr dev;
+
+ dev = (xDeviceInfoPtr) * buf;
+
+ dev->id = d->id;
+ dev->type = d->xinput_type;
+ dev->num_classes = num_classes;
+ if (IsMaster(d) && IsKeyboardDevice(d))
+ dev->use = IsXKeyboard;
+ else if (IsMaster(d) && IsPointerDevice(d))
+ dev->use = IsXPointer;
+ else if (d->key && d->kbdfeed)
+ dev->use = IsXExtensionKeyboard;
+ else if (d->valuator && d->button)
+ dev->use = IsXExtensionPointer;
+ else
+ dev->use = IsXExtensionDevice;
+
+ if (client->swapped) {
+ swapl(&dev->type, n); /* macro - braces are required */
+ }
+ *buf += sizeof(xDeviceInfo);
+}
+
+/***********************************************************************
+ *
+ * This procedure copies KeyClass information, swapping if necessary.
+ *
+ */
+
+static void
+CopySwapKeyClass(ClientPtr client, KeyClassPtr k, char **buf)
+{
+ char n;
+ xKeyInfoPtr k2;
+
+ k2 = (xKeyInfoPtr) * buf;
+ k2->class = KeyClass;
+ k2->length = sizeof(xKeyInfo);
+ k2->min_keycode = k->xkbInfo->desc->min_key_code;
+ k2->max_keycode = k->xkbInfo->desc->max_key_code;
+ k2->num_keys = k2->max_keycode - k2->min_keycode + 1;
+ if (client && client->swapped) {
+ swaps(&k2->num_keys, n);
+ }
+ *buf += sizeof(xKeyInfo);
+}
+
+/***********************************************************************
+ *
+ * This procedure copies ValuatorClass information, swapping if necessary.
+ *
+ * Devices may have up to 255 valuators. The length of a ValuatorClass is
+ * defined to be sizeof(ValuatorClassInfo) + num_axes * sizeof (xAxisInfo).
+ * The maximum length is therefore (8 + 255 * 12) = 3068. However, the
+ * length field is one byte. If a device has more than 20 valuators, we
+ * must therefore return multiple valuator classes to the client.
+ *
+ */
+
+static int
+CopySwapValuatorClass(ClientPtr client, ValuatorClassPtr v, char **buf)
+{
+ int i, j, axes, t_axes;
+ char n;
+ xValuatorInfoPtr v2;
+ AxisInfo *a;
+ xAxisInfoPtr a2;
+
+ for (i = 0, axes = v->numAxes; i < ((v->numAxes + 19) / VPC);
+ i++, axes -= VPC) {
+ t_axes = axes < VPC ? axes : VPC;
+ if (t_axes < 0)
+ t_axes = v->numAxes % VPC;
+ v2 = (xValuatorInfoPtr) * buf;
+ v2->class = ValuatorClass;
+ v2->length = sizeof(xValuatorInfo) + t_axes * sizeof(xAxisInfo);
+ v2->num_axes = t_axes;
+ v2->mode = v->mode & DeviceMode;
+ v2->motion_buffer_size = v->numMotionEvents;
+ if (client && client->swapped) {
+ swapl(&v2->motion_buffer_size, n);
+ }
+ *buf += sizeof(xValuatorInfo);
+ a = v->axes + (VPC * i);
+ a2 = (xAxisInfoPtr) * buf;
+ for (j = 0; j < t_axes; j++) {
+ a2->min_value = a->min_value;
+ a2->max_value = a->max_value;
+ a2->resolution = a->resolution;
+ if (client && client->swapped) {
+ swapl(&a2->min_value, n);
+ swapl(&a2->max_value, n);
+ swapl(&a2->resolution, n);
+ }
+ a2++;
+ a++;
+ *buf += sizeof(xAxisInfo);
+ }
+ }
+ return (i);
+}
+
+static void
+CopySwapClasses(ClientPtr client, DeviceIntPtr dev, CARD8 *num_classes,
+ char** classbuf)
+{
+ if (dev->key != NULL) {
+ CopySwapKeyClass(client, dev->key, classbuf);
+ (*num_classes)++;
+ }
+ if (dev->button != NULL) {
+ CopySwapButtonClass(client, dev->button, classbuf);
+ (*num_classes)++;
+ }
+ if (dev->valuator != NULL) {
+ (*num_classes) +=
+ CopySwapValuatorClass(client, dev->valuator, classbuf);
+ }
+}
+
+/***********************************************************************
+ *
+ * This procedure lists information to be returned for an input device.
+ *
+ */
+
+static void
+ListDeviceInfo(ClientPtr client, DeviceIntPtr d, xDeviceInfoPtr dev,
+ char **devbuf, char **classbuf, char **namebuf)
+{
+ CopyDeviceName(namebuf, d->name);
+ CopySwapDevice(client, d, 0, devbuf);
+ CopySwapClasses(client, d, &dev->num_classes, classbuf);
+}
+
+/***********************************************************************
+ *
+ * This procedure checks if a device should be left off the list.
+ *
+ */
+
+static Bool
+ShouldSkipDevice(ClientPtr client, DeviceIntPtr d)
+{
+ /* don't send master devices other than VCP/VCK */
+ if (!IsMaster(d) || d == inputInfo.pointer || d == inputInfo.keyboard)
+ {
+ int rc = XaceHook(XACE_DEVICE_ACCESS, client, d, DixGetAttrAccess);
+ if (rc == Success)
+ return FALSE;
+ }
+ return TRUE;
+}
+
+
+/***********************************************************************
+ *
+ * This procedure lists the input devices available to the server.
+ *
+ * If this request is called by a client that has not issued a
+ * GetExtensionVersion request with major/minor version set, we don't send the
+ * complete device list. Instead, we only send the VCP, the VCK and floating
+ * SDs. This resembles the setup found on XI 1.x machines.
+ */
+
+int
+ProcXListInputDevices(ClientPtr client)
+{
+ xListInputDevicesReply rep;
+ int numdevs = 0;
+ int namesize = 1; /* need 1 extra byte for strcpy */
+ int i = 0, size = 0;
+ int total_length;
+ char *devbuf, *classbuf, *namebuf, *savbuf;
+ Bool *skip;
+ xDeviceInfo *dev;
+ DeviceIntPtr d;
+
+ REQUEST_SIZE_MATCH(xListInputDevicesReq);
+
+ memset(&rep, 0, sizeof(xListInputDevicesReply));
+ rep.repType = X_Reply;
+ rep.RepType = X_ListInputDevices;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+
+ AddOtherInputDevices();
+
+ /* allocate space for saving skip value */
+ skip = calloc(sizeof(Bool), inputInfo.numDevices);
+ if (!skip)
+ return BadAlloc;
+
+ /* figure out which devices to skip */
+ numdevs = 0;
+ for (d = inputInfo.devices; d; d = d->next, i++) {
+ skip[i] = ShouldSkipDevice(client, d);
+ if (skip[i])
+ continue;
+
+ SizeDeviceInfo(d, &namesize, &size);
+ numdevs++;
+ }
+
+ for (d = inputInfo.off_devices; d; d = d->next, i++) {
+ skip[i] = ShouldSkipDevice(client, d);
+ if (skip[i])
+ continue;
+
+ SizeDeviceInfo(d, &namesize, &size);
+ numdevs++;
+ }
+
+ /* allocate space for reply */
+ total_length = numdevs * sizeof(xDeviceInfo) + size + namesize;
+ devbuf = (char *)calloc(1, total_length);
+ classbuf = devbuf + (numdevs * sizeof(xDeviceInfo));
+ namebuf = classbuf + size;
+ savbuf = devbuf;
+
+ /* fill in and send reply */
+ i = 0;
+ dev = (xDeviceInfoPtr) devbuf;
+ for (d = inputInfo.devices; d; d = d->next, i++) {
+ if (skip[i])
+ continue;
+
+ ListDeviceInfo(client, d, dev++, &devbuf, &classbuf, &namebuf);
+ }
+
+ for (d = inputInfo.off_devices; d; d = d->next, i++) {
+ if (skip[i])
+ continue;
+
+ ListDeviceInfo(client, d, dev++, &devbuf, &classbuf, &namebuf);
+ }
+ rep.ndevices = numdevs;
+ rep.length = bytes_to_int32(total_length);
+ WriteReplyToClient(client, sizeof(xListInputDevicesReply), &rep);
+ WriteToClient(client, total_length, savbuf);
+ free(savbuf);
+ free(skip);
+ return Success;
+}
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XListInputDevices function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXListInputDevices(ClientPtr client, int size, xListInputDevicesReply * rep)
+{
+ char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ WriteToClient(client, size, (char *)rep);
+}
|