aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/Xi/xichangehierarchy.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/Xi/xichangehierarchy.c')
-rw-r--r--xorg-server/Xi/xichangehierarchy.c982
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;
+}
+