diff options
Diffstat (limited to 'xorg-server/Xi/xichangehierarchy.c')
| -rw-r--r-- | xorg-server/Xi/xichangehierarchy.c | 982 |
1 files changed, 492 insertions, 490 deletions
diff --git a/xorg-server/Xi/xichangehierarchy.c b/xorg-server/Xi/xichangehierarchy.c index 6b0288c88..a3dcab57e 100644 --- a/xorg-server/Xi/xichangehierarchy.c +++ b/xorg-server/Xi/xichangehierarchy.c @@ -1,490 +1,492 @@ -/*
- * Copyright 2007-2008 Peter Hutterer
- * 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.
- *
- * Author: Peter Hutterer, University of South Australia, NICTA
- */
-
-/***********************************************************************
- *
- * Request change in the device hierarchy.
- *
- */
-
-
-#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 "windowstr.h" /* window structure */
-#include "scrnintstr.h" /* screen structure */
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XI2proto.h>
-#include <X11/extensions/geproto.h>
-#include "extnsionst.h"
-#include "exevents.h"
-#include "exglobals.h"
-#include "geext.h"
-#include "xace.h"
-#include "xiquerydevice.h" /* for GetDeviceUse */
-
-#include "xkbsrv.h"
-
-#include "xichangehierarchy.h"
-
-/**
- * Send the current state of the device hierarchy to all clients.
- */
-void XISendDeviceHierarchyEvent(int flags[MAXDEVICES])
-{
- xXIHierarchyEvent *ev;
- xXIHierarchyInfo *info;
- DeviceIntRec dummyDev;
- DeviceIntPtr dev;
- int i;
-
- if (!flags)
- return;
-
- ev = calloc(1, sizeof(xXIHierarchyEvent) +
- MAXDEVICES * sizeof(xXIHierarchyInfo));
- ev->type = GenericEvent;
- ev->extension = IReqCode;
- ev->evtype = XI_HierarchyChanged;
- ev->time = GetTimeInMillis();
- ev->flags = 0;
- ev->num_info = inputInfo.numDevices;
-
- info = (xXIHierarchyInfo*)&ev[1];
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- info->deviceid = dev->id;
- info->enabled = dev->enabled;
- info->use = GetDeviceUse(dev, &info->attachment);
- info->flags = flags[dev->id];
- ev->flags |= info->flags;
- info++;
- }
- for (dev = inputInfo.off_devices; dev; dev = dev->next)
- {
- info->deviceid = dev->id;
- info->enabled = dev->enabled;
- info->use = GetDeviceUse(dev, &info->attachment);
- info->flags = flags[dev->id];
- ev->flags |= info->flags;
- info++;
- }
-
-
- for (i = 0; i < MAXDEVICES; i++)
- {
- if (flags[i] & (XIMasterRemoved | XISlaveRemoved))
- {
- info->deviceid = i;
- info->enabled = FALSE;
- info->flags = flags[i];
- info->use = 0;
- ev->flags |= info->flags;
- ev->num_info++;
- info++;
- }
- }
-
- ev->length = bytes_to_int32(ev->num_info * sizeof(xXIHierarchyInfo));
-
- dummyDev.id = XIAllDevices;
- SendEventToAllWindows(&dummyDev, (XI_HierarchyChangedMask >> 8), (xEvent*)ev, 1);
- free(ev);
-}
-
-
-/***********************************************************************
- *
- * This procedure allows a client to change the device hierarchy through
- * adding new master devices, removing them, etc.
- *
- */
-
-int SProcXIChangeHierarchy(ClientPtr client)
-{
- char n;
-
- REQUEST(xXIChangeHierarchyReq);
- swaps(&stuff->length, n);
- return (ProcXIChangeHierarchy(client));
-}
-
-static int
-add_master(ClientPtr client, xXIAddMasterInfo *c, int flags[MAXDEVICES])
-{
- DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd;
- char* name;
- int rc;
-
- name = calloc(c->name_len + 1, sizeof(char));
- strncpy(name, (char*)&c[1], c->name_len);
-
- rc = AllocDevicePair(client, name, &ptr, &keybd,
- CorePointerProc, CoreKeyboardProc, TRUE);
- if (rc != Success)
- goto unwind;
-
- if (!c->send_core)
- ptr->coreEvents = keybd->coreEvents = FALSE;
-
- /* Allocate virtual slave devices for xtest events */
- rc = AllocXTestDevice(client, name, &XTestptr, &XTestkeybd, ptr, keybd);
- if (rc != Success)
- {
- DeleteInputDeviceRequest(ptr);
- DeleteInputDeviceRequest(keybd);
- goto unwind;
- }
-
- ActivateDevice(ptr, FALSE);
- ActivateDevice(keybd, FALSE);
- flags[ptr->id] |= XIMasterAdded;
- flags[keybd->id] |= XIMasterAdded;
-
- ActivateDevice(XTestptr, FALSE);
- ActivateDevice(XTestkeybd, FALSE);
- flags[XTestptr->id] |= XISlaveAdded;
- flags[XTestkeybd->id] |= XISlaveAdded;
-
- if (c->enable)
- {
- EnableDevice(ptr, FALSE);
- EnableDevice(keybd, FALSE);
- flags[ptr->id] |= XIDeviceEnabled;
- flags[keybd->id] |= XIDeviceEnabled;
-
- EnableDevice(XTestptr, FALSE);
- EnableDevice(XTestkeybd, FALSE);
- flags[XTestptr->id] |= XIDeviceEnabled;
- flags[XTestkeybd->id] |= XIDeviceEnabled;
- }
-
- /* Attach the XTest virtual devices to the newly
- created master device */
- AttachDevice(NULL, XTestptr, ptr);
- AttachDevice(NULL, XTestkeybd, keybd);
- flags[XTestptr->id] |= XISlaveAttached;
- flags[XTestkeybd->id] |= XISlaveAttached;
-
-unwind:
- free(name);
- return rc;
-}
-
-static int
-remove_master(ClientPtr client, xXIRemoveMasterInfo *r,
- int flags[MAXDEVICES])
-{
- DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd;
- int rc = Success;
-
- if (r->return_mode != XIAttachToMaster &&
- r->return_mode != XIFloating)
- return BadValue;
-
- rc = dixLookupDevice(&ptr, r->deviceid, client, DixDestroyAccess);
- if (rc != Success)
- goto unwind;
-
- if (!IsMaster(ptr))
- {
- client->errorValue = r->deviceid;
- rc = BadDevice;
- goto unwind;
- }
-
- /* XXX: For now, don't allow removal of VCP, VCK */
- if (ptr == inputInfo.pointer || ptr == inputInfo.keyboard)
- {
- rc = BadDevice;
- goto unwind;
- }
-
-
- ptr = GetMaster(ptr, MASTER_POINTER);
- rc = dixLookupDevice(&ptr, ptr->id, client, DixDestroyAccess);
- if (rc != Success)
- goto unwind;
- keybd = GetMaster(ptr, MASTER_KEYBOARD);
- rc = dixLookupDevice(&keybd, keybd->id, client, DixDestroyAccess);
- if (rc != Success)
- goto unwind;
-
- XTestptr = GetXTestDevice(ptr);
- rc = dixLookupDevice(&XTestptr, XTestptr->id, client, DixDestroyAccess);
- if (rc != Success)
- goto unwind;
-
- XTestkeybd = GetXTestDevice(keybd);
- rc = dixLookupDevice(&XTestkeybd, XTestkeybd->id, client,
- DixDestroyAccess);
- if (rc != Success)
- goto unwind;
-
- /* Disabling sends the devices floating, reattach them if
- * desired. */
- if (r->return_mode == XIAttachToMaster)
- {
- DeviceIntPtr attached,
- newptr,
- newkeybd;
-
- rc = dixLookupDevice(&newptr, r->return_pointer, client, DixAddAccess);
- if (rc != Success)
- goto unwind;
-
- if (!IsMaster(newptr))
- {
- client->errorValue = r->return_pointer;
- rc = BadDevice;
- goto unwind;
- }
-
- rc = dixLookupDevice(&newkeybd, r->return_keyboard,
- client, DixAddAccess);
- if (rc != Success)
- goto unwind;
-
- if (!IsMaster(newkeybd))
- {
- client->errorValue = r->return_keyboard;
- rc = BadDevice;
- goto unwind;
- }
-
- for (attached = inputInfo.devices; attached; attached = attached->next)
- {
- if (!IsMaster(attached)) {
- if (attached->u.master == ptr)
- {
- AttachDevice(client, attached, newptr);
- flags[attached->id] |= XISlaveAttached;
- }
- if (attached->u.master == keybd)
- {
- AttachDevice(client, attached, newkeybd);
- flags[attached->id] |= XISlaveAttached;
- }
- }
- }
- }
-
- /* can't disable until we removed pairing */
- keybd->spriteInfo->paired = NULL;
- ptr->spriteInfo->paired = NULL;
- XTestptr->spriteInfo->paired = NULL;
- XTestkeybd->spriteInfo->paired = NULL;
-
- /* disable the remove the devices, XTest devices must be done first
- else the sprites they rely on will be destroyed */
- DisableDevice(XTestptr, FALSE);
- DisableDevice(XTestkeybd, FALSE);
- DisableDevice(keybd, FALSE);
- DisableDevice(ptr, FALSE);
- flags[XTestptr->id] |= XIDeviceDisabled | XISlaveDetached;
- flags[XTestkeybd->id] |= XIDeviceDisabled | XISlaveDetached;
- flags[keybd->id] |= XIDeviceDisabled;
- flags[ptr->id] |= XIDeviceDisabled;
-
- RemoveDevice(XTestptr, FALSE);
- RemoveDevice(XTestkeybd, FALSE);
- RemoveDevice(keybd, FALSE);
- RemoveDevice(ptr, FALSE);
- flags[XTestptr->id] |= XISlaveRemoved;
- flags[XTestkeybd->id] |= XISlaveRemoved;
- flags[keybd->id] |= XIMasterRemoved;
- flags[ptr->id] |= XIMasterRemoved;
-
-unwind:
- return rc;
-}
-
-static int
-detach_slave(ClientPtr client, xXIDetachSlaveInfo *c, int flags[MAXDEVICES])
-{
- DeviceIntPtr dev;
- int rc;
-
- rc = dixLookupDevice(&dev, c->deviceid, client, DixManageAccess);
- if (rc != Success)
- goto unwind;
-
- if (IsMaster(dev))
- {
- client->errorValue = c->deviceid;
- rc = BadDevice;
- goto unwind;
- }
-
- /* Don't allow changes to XTest Devices, these are fixed */
- if (IsXTestDevice(dev, NULL))
- {
- client->errorValue = c->deviceid;
- rc = BadDevice;
- goto unwind;
- }
-
- AttachDevice(client, dev, NULL);
- flags[dev->id] |= XISlaveDetached;
-
-unwind:
- return rc;
-}
-
-static int
-attach_slave(ClientPtr client, xXIAttachSlaveInfo *c,
- int flags[MAXDEVICES])
-{
- DeviceIntPtr dev;
- DeviceIntPtr newmaster;
- int rc;
-
- rc = dixLookupDevice(&dev, c->deviceid, client, DixManageAccess);
- if (rc != Success)
- goto unwind;
-
- if (IsMaster(dev))
- {
- client->errorValue = c->deviceid;
- rc = BadDevice;
- goto unwind;
- }
-
- /* Don't allow changes to XTest Devices, these are fixed */
- if (IsXTestDevice(dev, NULL))
- {
- client->errorValue = c->deviceid;
- rc = BadDevice;
- goto unwind;
- }
-
- rc = dixLookupDevice(&newmaster, c->new_master, client, DixAddAccess);
- if (rc != Success)
- goto unwind;
- if (!IsMaster(newmaster))
- {
- client->errorValue = c->new_master;
- rc = BadDevice;
- goto unwind;
- }
-
- if (!((IsPointerDevice(newmaster) && IsPointerDevice(dev)) ||
- (IsKeyboardDevice(newmaster) && IsKeyboardDevice(dev))))
- {
- rc = BadDevice;
- goto unwind;
- }
-
- AttachDevice(client, dev, newmaster);
- flags[dev->id] |= XISlaveAttached;
-
-unwind:
- return rc;
-}
-
-
-
-#define SWAPIF(cmd) if (client->swapped) { cmd; }
-
-int
-ProcXIChangeHierarchy(ClientPtr client)
-{
- xXIAnyHierarchyChangeInfo *any;
- int required_len = sizeof(xXIChangeHierarchyReq);
- char n;
- int rc = Success;
- int flags[MAXDEVICES] = {0};
-
- REQUEST(xXIChangeHierarchyReq);
- REQUEST_AT_LEAST_SIZE(xXIChangeHierarchyReq);
-
- if (!stuff->num_changes)
- return rc;
-
- any = (xXIAnyHierarchyChangeInfo*)&stuff[1];
- while(stuff->num_changes--)
- {
- SWAPIF(swapl(&any->type, n));
- SWAPIF(swaps(&any->length, n));
-
- required_len += any->length;
- if ((stuff->length * 4) < required_len)
- return BadLength;
-
- switch(any->type)
- {
- case XIAddMaster:
- {
- xXIAddMasterInfo* c = (xXIAddMasterInfo*)any;
- SWAPIF(swaps(&c->name_len, n));
-
- rc = add_master(client, c, flags);
- if (rc != Success)
- goto unwind;
- }
- break;
- case XIRemoveMaster:
- {
- xXIRemoveMasterInfo* r = (xXIRemoveMasterInfo*)any;
-
- rc = remove_master(client, r, flags);
- if (rc != Success)
- goto unwind;
- }
- break;
- case XIDetachSlave:
- {
- xXIDetachSlaveInfo* c = (xXIDetachSlaveInfo*)any;
-
- rc = detach_slave(client, c, flags);
- if (rc != Success)
- goto unwind;
- }
- break;
- case XIAttachSlave:
- {
- xXIAttachSlaveInfo* c = (xXIAttachSlaveInfo*)any;
-
- rc = attach_slave(client, c, flags);
- if (rc != Success)
- goto unwind;
- }
- break;
- }
-
- any = (xXIAnyHierarchyChangeInfo*)((char*)any + any->length * 4);
- }
-
-unwind:
-
- XISendDeviceHierarchyEvent(flags);
- return rc;
-}
-
+/* + * Copyright 2007-2008 Peter Hutterer + * 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. + * + * Author: Peter Hutterer, University of South Australia, NICTA + */ + +/*********************************************************************** + * + * Request change in the device hierarchy. + * + */ + + +#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 "windowstr.h" /* window structure */ +#include "scrnintstr.h" /* screen structure */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XI2proto.h> +#include <X11/extensions/geproto.h> +#include "extnsionst.h" +#include "exevents.h" +#include "exglobals.h" +#include "geext.h" +#include "xace.h" +#include "xiquerydevice.h" /* for GetDeviceUse */ + +#include "xkbsrv.h" + +#include "xichangehierarchy.h" + +/** + * Send the current state of the device hierarchy to all clients. + */ +void XISendDeviceHierarchyEvent(int flags[MAXDEVICES]) +{ + xXIHierarchyEvent *ev; + xXIHierarchyInfo *info; + DeviceIntRec dummyDev; + DeviceIntPtr dev; + int i; + + if (!flags) + return; + + ev = calloc(1, sizeof(xXIHierarchyEvent) + + MAXDEVICES * sizeof(xXIHierarchyInfo)); + if (!ev) + return; + ev->type = GenericEvent; + ev->extension = IReqCode; + ev->evtype = XI_HierarchyChanged; + ev->time = GetTimeInMillis(); + ev->flags = 0; + ev->num_info = inputInfo.numDevices; + + info = (xXIHierarchyInfo*)&ev[1]; + for (dev = inputInfo.devices; dev; dev = dev->next) + { + info->deviceid = dev->id; + info->enabled = dev->enabled; + info->use = GetDeviceUse(dev, &info->attachment); + info->flags = flags[dev->id]; + ev->flags |= info->flags; + info++; + } + for (dev = inputInfo.off_devices; dev; dev = dev->next) + { + info->deviceid = dev->id; + info->enabled = dev->enabled; + info->use = GetDeviceUse(dev, &info->attachment); + info->flags = flags[dev->id]; + ev->flags |= info->flags; + info++; + } + + + for (i = 0; i < MAXDEVICES; i++) + { + if (flags[i] & (XIMasterRemoved | XISlaveRemoved)) + { + info->deviceid = i; + info->enabled = FALSE; + info->flags = flags[i]; + info->use = 0; + ev->flags |= info->flags; + ev->num_info++; + info++; + } + } + + ev->length = bytes_to_int32(ev->num_info * sizeof(xXIHierarchyInfo)); + + dummyDev.id = XIAllDevices; + SendEventToAllWindows(&dummyDev, (XI_HierarchyChangedMask >> 8), (xEvent*)ev, 1); + free(ev); +} + + +/*********************************************************************** + * + * This procedure allows a client to change the device hierarchy through + * adding new master devices, removing them, etc. + * + */ + +int SProcXIChangeHierarchy(ClientPtr client) +{ + char n; + + REQUEST(xXIChangeHierarchyReq); + swaps(&stuff->length, n); + return (ProcXIChangeHierarchy(client)); +} + +static int +add_master(ClientPtr client, xXIAddMasterInfo *c, int flags[MAXDEVICES]) +{ + DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd; + char* name; + int rc; + + name = calloc(c->name_len + 1, sizeof(char)); + strncpy(name, (char*)&c[1], c->name_len); + + rc = AllocDevicePair(client, name, &ptr, &keybd, + CorePointerProc, CoreKeyboardProc, TRUE); + if (rc != Success) + goto unwind; + + if (!c->send_core) + ptr->coreEvents = keybd->coreEvents = FALSE; + + /* Allocate virtual slave devices for xtest events */ + rc = AllocXTestDevice(client, name, &XTestptr, &XTestkeybd, ptr, keybd); + if (rc != Success) + { + DeleteInputDeviceRequest(ptr); + DeleteInputDeviceRequest(keybd); + goto unwind; + } + + ActivateDevice(ptr, FALSE); + ActivateDevice(keybd, FALSE); + flags[ptr->id] |= XIMasterAdded; + flags[keybd->id] |= XIMasterAdded; + + ActivateDevice(XTestptr, FALSE); + ActivateDevice(XTestkeybd, FALSE); + flags[XTestptr->id] |= XISlaveAdded; + flags[XTestkeybd->id] |= XISlaveAdded; + + if (c->enable) + { + EnableDevice(ptr, FALSE); + EnableDevice(keybd, FALSE); + flags[ptr->id] |= XIDeviceEnabled; + flags[keybd->id] |= XIDeviceEnabled; + + EnableDevice(XTestptr, FALSE); + EnableDevice(XTestkeybd, FALSE); + flags[XTestptr->id] |= XIDeviceEnabled; + flags[XTestkeybd->id] |= XIDeviceEnabled; + } + + /* Attach the XTest virtual devices to the newly + created master device */ + AttachDevice(NULL, XTestptr, ptr); + AttachDevice(NULL, XTestkeybd, keybd); + flags[XTestptr->id] |= XISlaveAttached; + flags[XTestkeybd->id] |= XISlaveAttached; + +unwind: + free(name); + return rc; +} + +static int +remove_master(ClientPtr client, xXIRemoveMasterInfo *r, + int flags[MAXDEVICES]) +{ + DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd; + int rc = Success; + + if (r->return_mode != XIAttachToMaster && + r->return_mode != XIFloating) + return BadValue; + + rc = dixLookupDevice(&ptr, r->deviceid, client, DixDestroyAccess); + if (rc != Success) + goto unwind; + + if (!IsMaster(ptr)) + { + client->errorValue = r->deviceid; + rc = BadDevice; + goto unwind; + } + + /* XXX: For now, don't allow removal of VCP, VCK */ + if (ptr == inputInfo.pointer || ptr == inputInfo.keyboard) + { + rc = BadDevice; + goto unwind; + } + + + ptr = GetMaster(ptr, MASTER_POINTER); + rc = dixLookupDevice(&ptr, ptr->id, client, DixDestroyAccess); + if (rc != Success) + goto unwind; + keybd = GetMaster(ptr, MASTER_KEYBOARD); + rc = dixLookupDevice(&keybd, keybd->id, client, DixDestroyAccess); + if (rc != Success) + goto unwind; + + XTestptr = GetXTestDevice(ptr); + rc = dixLookupDevice(&XTestptr, XTestptr->id, client, DixDestroyAccess); + if (rc != Success) + goto unwind; + + XTestkeybd = GetXTestDevice(keybd); + rc = dixLookupDevice(&XTestkeybd, XTestkeybd->id, client, + DixDestroyAccess); + if (rc != Success) + goto unwind; + + /* Disabling sends the devices floating, reattach them if + * desired. */ + if (r->return_mode == XIAttachToMaster) + { + DeviceIntPtr attached, + newptr, + newkeybd; + + rc = dixLookupDevice(&newptr, r->return_pointer, client, DixAddAccess); + if (rc != Success) + goto unwind; + + if (!IsMaster(newptr)) + { + client->errorValue = r->return_pointer; + rc = BadDevice; + goto unwind; + } + + rc = dixLookupDevice(&newkeybd, r->return_keyboard, + client, DixAddAccess); + if (rc != Success) + goto unwind; + + if (!IsMaster(newkeybd)) + { + client->errorValue = r->return_keyboard; + rc = BadDevice; + goto unwind; + } + + for (attached = inputInfo.devices; attached; attached = attached->next) + { + if (!IsMaster(attached)) { + if (GetMaster(attached, MASTER_ATTACHED) == ptr) + { + AttachDevice(client, attached, newptr); + flags[attached->id] |= XISlaveAttached; + } + if (GetMaster(attached, MASTER_ATTACHED) == keybd) + { + AttachDevice(client, attached, newkeybd); + flags[attached->id] |= XISlaveAttached; + } + } + } + } + + /* can't disable until we removed pairing */ + keybd->spriteInfo->paired = NULL; + ptr->spriteInfo->paired = NULL; + XTestptr->spriteInfo->paired = NULL; + XTestkeybd->spriteInfo->paired = NULL; + + /* disable the remove the devices, XTest devices must be done first + else the sprites they rely on will be destroyed */ + DisableDevice(XTestptr, FALSE); + DisableDevice(XTestkeybd, FALSE); + DisableDevice(keybd, FALSE); + DisableDevice(ptr, FALSE); + flags[XTestptr->id] |= XIDeviceDisabled | XISlaveDetached; + flags[XTestkeybd->id] |= XIDeviceDisabled | XISlaveDetached; + flags[keybd->id] |= XIDeviceDisabled; + flags[ptr->id] |= XIDeviceDisabled; + + RemoveDevice(XTestptr, FALSE); + RemoveDevice(XTestkeybd, FALSE); + RemoveDevice(keybd, FALSE); + RemoveDevice(ptr, FALSE); + flags[XTestptr->id] |= XISlaveRemoved; + flags[XTestkeybd->id] |= XISlaveRemoved; + flags[keybd->id] |= XIMasterRemoved; + flags[ptr->id] |= XIMasterRemoved; + +unwind: + return rc; +} + +static int +detach_slave(ClientPtr client, xXIDetachSlaveInfo *c, int flags[MAXDEVICES]) +{ + DeviceIntPtr dev; + int rc; + + rc = dixLookupDevice(&dev, c->deviceid, client, DixManageAccess); + if (rc != Success) + goto unwind; + + if (IsMaster(dev)) + { + client->errorValue = c->deviceid; + rc = BadDevice; + goto unwind; + } + + /* Don't allow changes to XTest Devices, these are fixed */ + if (IsXTestDevice(dev, NULL)) + { + client->errorValue = c->deviceid; + rc = BadDevice; + goto unwind; + } + + AttachDevice(client, dev, NULL); + flags[dev->id] |= XISlaveDetached; + +unwind: + return rc; +} + +static int +attach_slave(ClientPtr client, xXIAttachSlaveInfo *c, + int flags[MAXDEVICES]) +{ + DeviceIntPtr dev; + DeviceIntPtr newmaster; + int rc; + + rc = dixLookupDevice(&dev, c->deviceid, client, DixManageAccess); + if (rc != Success) + goto unwind; + + if (IsMaster(dev)) + { + client->errorValue = c->deviceid; + rc = BadDevice; + goto unwind; + } + + /* Don't allow changes to XTest Devices, these are fixed */ + if (IsXTestDevice(dev, NULL)) + { + client->errorValue = c->deviceid; + rc = BadDevice; + goto unwind; + } + + rc = dixLookupDevice(&newmaster, c->new_master, client, DixAddAccess); + if (rc != Success) + goto unwind; + if (!IsMaster(newmaster)) + { + client->errorValue = c->new_master; + rc = BadDevice; + goto unwind; + } + + if (!((IsPointerDevice(newmaster) && IsPointerDevice(dev)) || + (IsKeyboardDevice(newmaster) && IsKeyboardDevice(dev)))) + { + rc = BadDevice; + goto unwind; + } + + AttachDevice(client, dev, newmaster); + flags[dev->id] |= XISlaveAttached; + +unwind: + return rc; +} + + + +#define SWAPIF(cmd) if (client->swapped) { cmd; } + +int +ProcXIChangeHierarchy(ClientPtr client) +{ + xXIAnyHierarchyChangeInfo *any; + int required_len = sizeof(xXIChangeHierarchyReq); + char n; + int rc = Success; + int flags[MAXDEVICES] = {0}; + + REQUEST(xXIChangeHierarchyReq); + REQUEST_AT_LEAST_SIZE(xXIChangeHierarchyReq); + + if (!stuff->num_changes) + return rc; + + any = (xXIAnyHierarchyChangeInfo*)&stuff[1]; + while(stuff->num_changes--) + { + SWAPIF(swapl(&any->type, n)); + SWAPIF(swaps(&any->length, n)); + + required_len += any->length; + if ((stuff->length * 4) < required_len) + return BadLength; + + switch(any->type) + { + case XIAddMaster: + { + xXIAddMasterInfo* c = (xXIAddMasterInfo*)any; + SWAPIF(swaps(&c->name_len, n)); + + rc = add_master(client, c, flags); + if (rc != Success) + goto unwind; + } + break; + case XIRemoveMaster: + { + xXIRemoveMasterInfo* r = (xXIRemoveMasterInfo*)any; + + rc = remove_master(client, r, flags); + if (rc != Success) + goto unwind; + } + break; + case XIDetachSlave: + { + xXIDetachSlaveInfo* c = (xXIDetachSlaveInfo*)any; + + rc = detach_slave(client, c, flags); + if (rc != Success) + goto unwind; + } + break; + case XIAttachSlave: + { + xXIAttachSlaveInfo* c = (xXIAttachSlaveInfo*)any; + + rc = attach_slave(client, c, flags); + if (rc != Success) + goto unwind; + } + break; + } + + any = (xXIAnyHierarchyChangeInfo*)((char*)any + any->length * 4); + } + +unwind: + + XISendDeviceHierarchyEvent(flags); + return rc; +} + |