diff options
Diffstat (limited to 'xorg-server/Xi/xiquerydevice.c')
| -rw-r--r-- | xorg-server/Xi/xiquerydevice.c | 1012 |
1 files changed, 506 insertions, 506 deletions
diff --git a/xorg-server/Xi/xiquerydevice.c b/xorg-server/Xi/xiquerydevice.c index 7066a1ab9..a768d499c 100644 --- a/xorg-server/Xi/xiquerydevice.c +++ b/xorg-server/Xi/xiquerydevice.c @@ -1,506 +1,506 @@ -/*
- * Copyright © 2009 Red Hat, Inc.
- *
- * 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 (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 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.
- *
- * Authors: Peter Hutterer
- *
- */
-
-/**
- * @file Protocol handling for the XIQueryDevice request/reply.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "inputstr.h"
-#include <X11/X.h>
-#include <X11/Xatom.h>
-#include <X11/extensions/XI2proto.h>
-#include "xkbstr.h"
-#include "xkbsrv.h"
-#include "xserver-properties.h"
-#include "exevents.h"
-#include "xace.h"
-
-#include "xiquerydevice.h"
-
-static Bool ShouldSkipDevice(ClientPtr client, int deviceid, DeviceIntPtr d);
-static int
-ListDeviceInfo(ClientPtr client, DeviceIntPtr dev, xXIDeviceInfo* info);
-static int SizeDeviceInfo(DeviceIntPtr dev);
-static void SwapDeviceInfo(DeviceIntPtr dev, xXIDeviceInfo* info);
-int
-SProcXIQueryDevice(ClientPtr client)
-{
- char n;
-
- REQUEST(xXIQueryDeviceReq);
-
- swaps(&stuff->length, n);
- swaps(&stuff->deviceid, n);
-
- return ProcXIQueryDevice(client);
-}
-
-int
-ProcXIQueryDevice(ClientPtr client)
-{
- xXIQueryDeviceReply rep;
- DeviceIntPtr dev = NULL;
- int rc = Success;
- int i = 0, len = 0;
- char *info, *ptr;
- Bool *skip = NULL;
-
- REQUEST(xXIQueryDeviceReq);
- REQUEST_SIZE_MATCH(xXIQueryDeviceReq);
-
- if (stuff->deviceid != XIAllDevices && stuff->deviceid != XIAllMasterDevices)
- {
- rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->deviceid;
- return rc;
- }
- len += SizeDeviceInfo(dev);
- }
- else
- {
- skip = calloc(sizeof(Bool), inputInfo.numDevices);
- if (!skip)
- return BadAlloc;
-
- for (dev = inputInfo.devices; dev; dev = dev->next, i++)
- {
- skip[i] = ShouldSkipDevice(client, stuff->deviceid, dev);
- if (!skip[i])
- len += SizeDeviceInfo(dev);
- }
-
- for (dev = inputInfo.off_devices; dev; dev = dev->next, i++)
- {
- skip[i] = ShouldSkipDevice(client, stuff->deviceid, dev);
- if (!skip[i])
- len += SizeDeviceInfo(dev);
- }
- }
-
- info = calloc(1, len);
- if (!info) {
- free(skip);
- return BadAlloc;
- }
-
- memset(&rep, 0, sizeof(xXIQueryDeviceReply));
- rep.repType = X_Reply;
- rep.RepType = X_XIQueryDevice;
- rep.sequenceNumber = client->sequence;
- rep.length = len/4;
- rep.num_devices = 0;
-
- ptr = info;
- if (dev)
- {
- len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info);
- if (client->swapped)
- SwapDeviceInfo(dev, (xXIDeviceInfo*)info);
- info += len;
- rep.num_devices = 1;
- } else
- {
- i = 0;
- for (dev = inputInfo.devices; dev; dev = dev->next, i++)
- {
- if (!skip[i])
- {
- len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info);
- if (client->swapped)
- SwapDeviceInfo(dev, (xXIDeviceInfo*)info);
- info += len;
- rep.num_devices++;
- }
- }
-
- for (dev = inputInfo.off_devices; dev; dev = dev->next, i++)
- {
- if (!skip[i])
- {
- len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info);
- if (client->swapped)
- SwapDeviceInfo(dev, (xXIDeviceInfo*)info);
- info += len;
- rep.num_devices++;
- }
- }
- }
-
- len = rep.length * 4;
- WriteReplyToClient(client, sizeof(xXIQueryDeviceReply), &rep);
- WriteToClient(client, len, ptr);
- free(ptr);
- free(skip);
- return rc;
-}
-
-void
-SRepXIQueryDevice(ClientPtr client, int size, xXIQueryDeviceReply *rep)
-{
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->num_devices, n);
-
- /* Device info is already swapped, see ProcXIQueryDevice */
-
- WriteToClient(client, size, (char *)rep);
-}
-
-
-/**
- * @return Whether the device should be included in the returned list.
- */
-static Bool
-ShouldSkipDevice(ClientPtr client, int deviceid, DeviceIntPtr dev)
-{
- /* if all devices are not being queried, only master devices are */
- if (deviceid == XIAllDevices || IsMaster(dev))
- {
- int rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess);
- if (rc == Success)
- return FALSE;
- }
- return TRUE;
-}
-
-/**
- * @return The number of bytes needed to store this device's xXIDeviceInfo
- * (and its classes).
- */
-static int
-SizeDeviceInfo(DeviceIntPtr dev)
-{
- int len = sizeof(xXIDeviceInfo);
-
- /* 4-padded name */
- len += pad_to_int32(strlen(dev->name));
-
- return len + SizeDeviceClasses(dev);
-
-}
-
-/*
- * @return The number of bytes needed to store this device's classes.
- */
-int
-SizeDeviceClasses(DeviceIntPtr dev)
-{
- int len = 0;
-
- if (dev->button)
- {
- len += sizeof(xXIButtonInfo);
- len += dev->button->numButtons * sizeof(Atom);
- len += pad_to_int32(bits_to_bytes(dev->button->numButtons));
- }
-
- if (dev->key)
- {
- XkbDescPtr xkb = dev->key->xkbInfo->desc;
- len += sizeof(xXIKeyInfo);
- len += (xkb->max_key_code - xkb->min_key_code + 1) * sizeof(uint32_t);
- }
-
- if (dev->valuator)
- len += sizeof(xXIValuatorInfo) * dev->valuator->numAxes;
-
- return len;
-}
-
-
-/**
- * Write button information into info.
- * @return Number of bytes written into info.
- */
-int
-ListButtonInfo(DeviceIntPtr dev, xXIButtonInfo* info, Bool reportState)
-{
- unsigned char *bits;
- int mask_len;
- int i;
-
- if (!dev || !dev->button)
- return 0;
-
- mask_len = bytes_to_int32(bits_to_bytes(dev->button->numButtons));
-
- info->type = ButtonClass;
- info->num_buttons = dev->button->numButtons;
- info->length = bytes_to_int32(sizeof(xXIButtonInfo)) +
- info->num_buttons + mask_len;
- info->sourceid = dev->button->sourceid;
-
- bits = (unsigned char*)&info[1];
- memset(bits, 0, mask_len * 4);
-
- if (reportState)
- for (i = 0; i < dev->button->numButtons; i++)
- if (BitIsOn(dev->button->down, i))
- SetBit(bits, i);
-
- bits += mask_len * 4;
- memcpy(bits, dev->button->labels, dev->button->numButtons * sizeof(Atom));
-
- return info->length * 4;
-}
-
-static void
-SwapButtonInfo(DeviceIntPtr dev, xXIButtonInfo* info)
-{
- char n;
- Atom *btn;
- int i;
- swaps(&info->type, n);
- swaps(&info->length, n);
- swaps(&info->sourceid, n);
-
- for (i = 0, btn = (Atom*)&info[1]; i < info->num_buttons; i++, btn++)
- swaps(btn, n);
-
- swaps(&info->num_buttons, n);
-}
-
-/**
- * Write key information into info.
- * @return Number of bytes written into info.
- */
-int
-ListKeyInfo(DeviceIntPtr dev, xXIKeyInfo* info)
-{
- int i;
- XkbDescPtr xkb = dev->key->xkbInfo->desc;
- uint32_t *kc;
-
- info->type = KeyClass;
- info->num_keycodes = xkb->max_key_code - xkb->min_key_code + 1;
- info->length = sizeof(xXIKeyInfo)/4 + info->num_keycodes;
- info->sourceid = dev->key->sourceid;
-
- kc = (uint32_t*)&info[1];
- for (i = xkb->min_key_code; i <= xkb->max_key_code; i++, kc++)
- *kc = i;
-
- return info->length * 4;
-}
-
-static void
-SwapKeyInfo(DeviceIntPtr dev, xXIKeyInfo* info)
-{
- char n;
- uint32_t *key;
- int i;
- swaps(&info->type, n);
- swaps(&info->length, n);
- swaps(&info->sourceid, n);
-
- for (i = 0, key = (uint32_t*)&info[1]; i < info->num_keycodes; i++, key++)
- swapl(key, n);
-
- swaps(&info->num_keycodes, n);
-}
-
-/**
- * List axis information for the given axis.
- *
- * @return The number of bytes written into info.
- */
-int
-ListValuatorInfo(DeviceIntPtr dev, xXIValuatorInfo* info, int axisnumber,
- Bool reportState)
-{
- ValuatorClassPtr v = dev->valuator;
-
- info->type = ValuatorClass;
- info->length = sizeof(xXIValuatorInfo)/4;
- info->label = v->axes[axisnumber].label;
- info->min.integral = v->axes[axisnumber].min_value;
- info->min.frac = 0;
- info->max.integral = v->axes[axisnumber].max_value;
- info->max.frac = 0;
- info->value.integral = (int)v->axisVal[axisnumber];
- info->value.frac = (int)(v->axisVal[axisnumber] * (1 << 16) * (1 << 16));
- info->resolution = v->axes[axisnumber].resolution;
- info->number = axisnumber;
- info->mode = valuator_get_mode(dev, axisnumber);
- info->sourceid = v->sourceid;
-
- if (!reportState)
- info->value = info->min;
-
- return info->length * 4;
-}
-
-static void
-SwapValuatorInfo(DeviceIntPtr dev, xXIValuatorInfo* info)
-{
- char n;
- swaps(&info->type, n);
- swaps(&info->length, n);
- swapl(&info->label, n);
- swapl(&info->min.integral, n);
- swapl(&info->min.frac, n);
- swapl(&info->max.integral, n);
- swapl(&info->max.frac, n);
- swaps(&info->number, n);
- swaps(&info->sourceid, n);
-}
-
-int GetDeviceUse(DeviceIntPtr dev, uint16_t *attachment)
-{
- DeviceIntPtr master = GetMaster(dev, MASTER_ATTACHED);
- int use;
-
- if (IsMaster(dev))
- {
- DeviceIntPtr paired = GetPairedDevice(dev);
- use = IsPointerDevice(dev) ? XIMasterPointer : XIMasterKeyboard;
- *attachment = (paired ? paired->id : 0);
- } else if (!IsFloating(dev))
- {
- use = IsPointerDevice(master) ? XISlavePointer : XISlaveKeyboard;
- *attachment = master->id;
- } else
- use = XIFloatingSlave;
-
- return use;
-}
-
-/**
- * Write the info for device dev into the buffer pointed to by info.
- *
- * @return The number of bytes used.
- */
-static int
-ListDeviceInfo(ClientPtr client, DeviceIntPtr dev, xXIDeviceInfo* info)
-{
- char *any = (char*)&info[1];
- int len = 0, total_len = 0;
-
- info->deviceid = dev->id;
- info->use = GetDeviceUse(dev, &info->attachment);
- info->num_classes = 0;
- info->name_len = strlen(dev->name);
- info->enabled = dev->enabled;
- total_len = sizeof(xXIDeviceInfo);
-
- len = pad_to_int32(info->name_len);
- memset(any, 0, len);
- strncpy(any, dev->name, info->name_len);
- any += len;
- total_len += len;
-
- total_len += ListDeviceClasses(client, dev, any, &info->num_classes);
- return total_len;
-}
-
-/**
- * Write the class info of the device into the memory pointed to by any, set
- * nclasses to the number of classes in total and return the number of bytes
- * written.
- */
-int
-ListDeviceClasses(ClientPtr client, DeviceIntPtr dev,
- char *any, uint16_t *nclasses)
-{
- int total_len = 0;
- int len;
- int i;
- int rc;
-
- /* Check if the current device state should be suppressed */
- rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess);
-
- if (dev->button)
- {
- (*nclasses)++;
- len = ListButtonInfo(dev, (xXIButtonInfo*)any, rc == Success);
- any += len;
- total_len += len;
- }
-
- if (dev->key)
- {
- (*nclasses)++;
- len = ListKeyInfo(dev, (xXIKeyInfo*)any);
- any += len;
- total_len += len;
- }
-
- for (i = 0; dev->valuator && i < dev->valuator->numAxes; i++)
- {
- (*nclasses)++;
- len = ListValuatorInfo(dev, (xXIValuatorInfo*)any, i, rc == Success);
- any += len;
- total_len += len;
- }
-
- return total_len;
-}
-
-static void
-SwapDeviceInfo(DeviceIntPtr dev, xXIDeviceInfo* info)
-{
- char n;
- char *any = (char*)&info[1];
- int i;
-
- /* Skip over name */
- any += pad_to_int32(info->name_len);
-
- for (i = 0; i < info->num_classes; i++)
- {
- int len = ((xXIAnyInfo*)any)->length;
- switch(((xXIAnyInfo*)any)->type)
- {
- case XIButtonClass:
- SwapButtonInfo(dev, (xXIButtonInfo*)any);
- break;
- case XIKeyClass:
- SwapKeyInfo(dev, (xXIKeyInfo*)any);
- break;
- case XIValuatorClass:
- SwapValuatorInfo(dev, (xXIValuatorInfo*)any);
- break;
- }
-
- any += len * 4;
- }
-
- swaps(&info->deviceid, n);
- swaps(&info->use, n);
- swaps(&info->attachment, n);
- swaps(&info->num_classes, n);
- swaps(&info->name_len, n);
-
-}
+/* + * Copyright © 2009 Red Hat, Inc. + * + * 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 (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 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. + * + * Authors: Peter Hutterer + * + */ + +/** + * @file Protocol handling for the XIQueryDevice request/reply. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" +#include <X11/X.h> +#include <X11/Xatom.h> +#include <X11/extensions/XI2proto.h> +#include "xkbstr.h" +#include "xkbsrv.h" +#include "xserver-properties.h" +#include "exevents.h" +#include "xace.h" + +#include "xiquerydevice.h" + +static Bool ShouldSkipDevice(ClientPtr client, int deviceid, DeviceIntPtr d); +static int +ListDeviceInfo(ClientPtr client, DeviceIntPtr dev, xXIDeviceInfo* info); +static int SizeDeviceInfo(DeviceIntPtr dev); +static void SwapDeviceInfo(DeviceIntPtr dev, xXIDeviceInfo* info); +int +SProcXIQueryDevice(ClientPtr client) +{ + char n; + + REQUEST(xXIQueryDeviceReq); + + swaps(&stuff->length, n); + swaps(&stuff->deviceid, n); + + return ProcXIQueryDevice(client); +} + +int +ProcXIQueryDevice(ClientPtr client) +{ + xXIQueryDeviceReply rep; + DeviceIntPtr dev = NULL; + int rc = Success; + int i = 0, len = 0; + char *info, *ptr; + Bool *skip = NULL; + + REQUEST(xXIQueryDeviceReq); + REQUEST_SIZE_MATCH(xXIQueryDeviceReq); + + if (stuff->deviceid != XIAllDevices && stuff->deviceid != XIAllMasterDevices) + { + rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess); + if (rc != Success) + { + client->errorValue = stuff->deviceid; + return rc; + } + len += SizeDeviceInfo(dev); + } + else + { + skip = calloc(sizeof(Bool), inputInfo.numDevices); + if (!skip) + return BadAlloc; + + for (dev = inputInfo.devices; dev; dev = dev->next, i++) + { + skip[i] = ShouldSkipDevice(client, stuff->deviceid, dev); + if (!skip[i]) + len += SizeDeviceInfo(dev); + } + + for (dev = inputInfo.off_devices; dev; dev = dev->next, i++) + { + skip[i] = ShouldSkipDevice(client, stuff->deviceid, dev); + if (!skip[i]) + len += SizeDeviceInfo(dev); + } + } + + info = calloc(1, len); + if (!info) { + free(skip); + return BadAlloc; + } + + memset(&rep, 0, sizeof(xXIQueryDeviceReply)); + rep.repType = X_Reply; + rep.RepType = X_XIQueryDevice; + rep.sequenceNumber = client->sequence; + rep.length = len/4; + rep.num_devices = 0; + + ptr = info; + if (dev) + { + len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info); + if (client->swapped) + SwapDeviceInfo(dev, (xXIDeviceInfo*)info); + info += len; + rep.num_devices = 1; + } else + { + i = 0; + for (dev = inputInfo.devices; dev; dev = dev->next, i++) + { + if (!skip[i]) + { + len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info); + if (client->swapped) + SwapDeviceInfo(dev, (xXIDeviceInfo*)info); + info += len; + rep.num_devices++; + } + } + + for (dev = inputInfo.off_devices; dev; dev = dev->next, i++) + { + if (!skip[i]) + { + len = ListDeviceInfo(client, dev, (xXIDeviceInfo*)info); + if (client->swapped) + SwapDeviceInfo(dev, (xXIDeviceInfo*)info); + info += len; + rep.num_devices++; + } + } + } + + len = rep.length * 4; + WriteReplyToClient(client, sizeof(xXIQueryDeviceReply), &rep); + WriteToClient(client, len, ptr); + free(ptr); + free(skip); + return rc; +} + +void +SRepXIQueryDevice(ClientPtr client, int size, xXIQueryDeviceReply *rep) +{ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->num_devices, n); + + /* Device info is already swapped, see ProcXIQueryDevice */ + + WriteToClient(client, size, (char *)rep); +} + + +/** + * @return Whether the device should be included in the returned list. + */ +static Bool +ShouldSkipDevice(ClientPtr client, int deviceid, DeviceIntPtr dev) +{ + /* if all devices are not being queried, only master devices are */ + if (deviceid == XIAllDevices || IsMaster(dev)) + { + int rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess); + if (rc == Success) + return FALSE; + } + return TRUE; +} + +/** + * @return The number of bytes needed to store this device's xXIDeviceInfo + * (and its classes). + */ +static int +SizeDeviceInfo(DeviceIntPtr dev) +{ + int len = sizeof(xXIDeviceInfo); + + /* 4-padded name */ + len += pad_to_int32(strlen(dev->name)); + + return len + SizeDeviceClasses(dev); + +} + +/* + * @return The number of bytes needed to store this device's classes. + */ +int +SizeDeviceClasses(DeviceIntPtr dev) +{ + int len = 0; + + if (dev->button) + { + len += sizeof(xXIButtonInfo); + len += dev->button->numButtons * sizeof(Atom); + len += pad_to_int32(bits_to_bytes(dev->button->numButtons)); + } + + if (dev->key) + { + XkbDescPtr xkb = dev->key->xkbInfo->desc; + len += sizeof(xXIKeyInfo); + len += (xkb->max_key_code - xkb->min_key_code + 1) * sizeof(uint32_t); + } + + if (dev->valuator) + len += sizeof(xXIValuatorInfo) * dev->valuator->numAxes; + + return len; +} + + +/** + * Write button information into info. + * @return Number of bytes written into info. + */ +int +ListButtonInfo(DeviceIntPtr dev, xXIButtonInfo* info, Bool reportState) +{ + unsigned char *bits; + int mask_len; + int i; + + if (!dev || !dev->button) + return 0; + + mask_len = bytes_to_int32(bits_to_bytes(dev->button->numButtons)); + + info->type = ButtonClass; + info->num_buttons = dev->button->numButtons; + info->length = bytes_to_int32(sizeof(xXIButtonInfo)) + + info->num_buttons + mask_len; + info->sourceid = dev->button->sourceid; + + bits = (unsigned char*)&info[1]; + memset(bits, 0, mask_len * 4); + + if (reportState) + for (i = 0; i < dev->button->numButtons; i++) + if (BitIsOn(dev->button->down, i)) + SetBit(bits, i); + + bits += mask_len * 4; + memcpy(bits, dev->button->labels, dev->button->numButtons * sizeof(Atom)); + + return info->length * 4; +} + +static void +SwapButtonInfo(DeviceIntPtr dev, xXIButtonInfo* info) +{ + char n; + Atom *btn; + int i; + swaps(&info->type, n); + swaps(&info->length, n); + swaps(&info->sourceid, n); + + for (i = 0, btn = (Atom*)&info[1]; i < info->num_buttons; i++, btn++) + swaps(btn, n); + + swaps(&info->num_buttons, n); +} + +/** + * Write key information into info. + * @return Number of bytes written into info. + */ +int +ListKeyInfo(DeviceIntPtr dev, xXIKeyInfo* info) +{ + int i; + XkbDescPtr xkb = dev->key->xkbInfo->desc; + uint32_t *kc; + + info->type = KeyClass; + info->num_keycodes = xkb->max_key_code - xkb->min_key_code + 1; + info->length = sizeof(xXIKeyInfo)/4 + info->num_keycodes; + info->sourceid = dev->key->sourceid; + + kc = (uint32_t*)&info[1]; + for (i = xkb->min_key_code; i <= xkb->max_key_code; i++, kc++) + *kc = i; + + return info->length * 4; +} + +static void +SwapKeyInfo(DeviceIntPtr dev, xXIKeyInfo* info) +{ + char n; + uint32_t *key; + int i; + swaps(&info->type, n); + swaps(&info->length, n); + swaps(&info->sourceid, n); + + for (i = 0, key = (uint32_t*)&info[1]; i < info->num_keycodes; i++, key++) + swapl(key, n); + + swaps(&info->num_keycodes, n); +} + +/** + * List axis information for the given axis. + * + * @return The number of bytes written into info. + */ +int +ListValuatorInfo(DeviceIntPtr dev, xXIValuatorInfo* info, int axisnumber, + Bool reportState) +{ + ValuatorClassPtr v = dev->valuator; + + info->type = ValuatorClass; + info->length = sizeof(xXIValuatorInfo)/4; + info->label = v->axes[axisnumber].label; + info->min.integral = v->axes[axisnumber].min_value; + info->min.frac = 0; + info->max.integral = v->axes[axisnumber].max_value; + info->max.frac = 0; + info->value.integral = (int)v->axisVal[axisnumber]; + info->value.frac = (int)(v->axisVal[axisnumber] * (1 << 16) * (1 << 16)); + info->resolution = v->axes[axisnumber].resolution; + info->number = axisnumber; + info->mode = valuator_get_mode(dev, axisnumber); + info->sourceid = v->sourceid; + + if (!reportState) + info->value = info->min; + + return info->length * 4; +} + +static void +SwapValuatorInfo(DeviceIntPtr dev, xXIValuatorInfo* info) +{ + char n; + swaps(&info->type, n); + swaps(&info->length, n); + swapl(&info->label, n); + swapl(&info->min.integral, n); + swapl(&info->min.frac, n); + swapl(&info->max.integral, n); + swapl(&info->max.frac, n); + swaps(&info->number, n); + swaps(&info->sourceid, n); +} + +int GetDeviceUse(DeviceIntPtr dev, uint16_t *attachment) +{ + DeviceIntPtr master = GetMaster(dev, MASTER_ATTACHED); + int use; + + if (IsMaster(dev)) + { + DeviceIntPtr paired = GetPairedDevice(dev); + use = IsPointerDevice(dev) ? XIMasterPointer : XIMasterKeyboard; + *attachment = (paired ? paired->id : 0); + } else if (!IsFloating(dev)) + { + use = IsPointerDevice(master) ? XISlavePointer : XISlaveKeyboard; + *attachment = master->id; + } else + use = XIFloatingSlave; + + return use; +} + +/** + * Write the info for device dev into the buffer pointed to by info. + * + * @return The number of bytes used. + */ +static int +ListDeviceInfo(ClientPtr client, DeviceIntPtr dev, xXIDeviceInfo* info) +{ + char *any = (char*)&info[1]; + int len = 0, total_len = 0; + + info->deviceid = dev->id; + info->use = GetDeviceUse(dev, &info->attachment); + info->num_classes = 0; + info->name_len = strlen(dev->name); + info->enabled = dev->enabled; + total_len = sizeof(xXIDeviceInfo); + + len = pad_to_int32(info->name_len); + memset(any, 0, len); + strncpy(any, dev->name, info->name_len); + any += len; + total_len += len; + + total_len += ListDeviceClasses(client, dev, any, &info->num_classes); + return total_len; +} + +/** + * Write the class info of the device into the memory pointed to by any, set + * nclasses to the number of classes in total and return the number of bytes + * written. + */ +int +ListDeviceClasses(ClientPtr client, DeviceIntPtr dev, + char *any, uint16_t *nclasses) +{ + int total_len = 0; + int len; + int i; + int rc; + + /* Check if the current device state should be suppressed */ + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess); + + if (dev->button) + { + (*nclasses)++; + len = ListButtonInfo(dev, (xXIButtonInfo*)any, rc == Success); + any += len; + total_len += len; + } + + if (dev->key) + { + (*nclasses)++; + len = ListKeyInfo(dev, (xXIKeyInfo*)any); + any += len; + total_len += len; + } + + for (i = 0; dev->valuator && i < dev->valuator->numAxes; i++) + { + (*nclasses)++; + len = ListValuatorInfo(dev, (xXIValuatorInfo*)any, i, rc == Success); + any += len; + total_len += len; + } + + return total_len; +} + +static void +SwapDeviceInfo(DeviceIntPtr dev, xXIDeviceInfo* info) +{ + char n; + char *any = (char*)&info[1]; + int i; + + /* Skip over name */ + any += pad_to_int32(info->name_len); + + for (i = 0; i < info->num_classes; i++) + { + int len = ((xXIAnyInfo*)any)->length; + switch(((xXIAnyInfo*)any)->type) + { + case XIButtonClass: + SwapButtonInfo(dev, (xXIButtonInfo*)any); + break; + case XIKeyClass: + SwapKeyInfo(dev, (xXIKeyInfo*)any); + break; + case XIValuatorClass: + SwapValuatorInfo(dev, (xXIValuatorInfo*)any); + break; + } + + any += len * 4; + } + + swaps(&info->deviceid, n); + swaps(&info->use, n); + swaps(&info->attachment, n); + swaps(&info->num_classes, n); + swaps(&info->name_len, n); + +} |