Xi: split hierarchy manipulation into static functions.
No functional changes, just code cleanup to improve readability. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Julien Cristau <jcristau@debian.org>
This commit is contained in:
parent
4132b1c591
commit
9b89b91c68
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@ -136,12 +136,282 @@ int SProcXIChangeHierarchy(ClientPtr client)
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return (ProcXIChangeHierarchy(client));
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}
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static int
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add_master(ClientPtr client, xXIAddMasterInfo *c, int flags[MAXDEVICES])
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{
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DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd;
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char* name;
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int rc;
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name = calloc(c->name_len + 1, sizeof(char));
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strncpy(name, (char*)&c[1], c->name_len);
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rc = AllocDevicePair(client, name, &ptr, &keybd,
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CorePointerProc, CoreKeyboardProc, TRUE);
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if (rc != Success)
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goto unwind;
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if (!c->send_core)
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ptr->coreEvents = keybd->coreEvents = FALSE;
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/* Allocate virtual slave devices for xtest events */
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rc = AllocXTestDevice(client, name, &XTestptr, &XTestkeybd, ptr, keybd);
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if (rc != Success)
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goto unwind;
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ActivateDevice(ptr, FALSE);
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ActivateDevice(keybd, FALSE);
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flags[ptr->id] |= XIMasterAdded;
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flags[keybd->id] |= XIMasterAdded;
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ActivateDevice(XTestptr, FALSE);
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ActivateDevice(XTestkeybd, FALSE);
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flags[XTestptr->id] |= XISlaveAdded;
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flags[XTestkeybd->id] |= XISlaveAdded;
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if (c->enable)
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{
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EnableDevice(ptr, FALSE);
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EnableDevice(keybd, FALSE);
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flags[ptr->id] |= XIDeviceEnabled;
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flags[keybd->id] |= XIDeviceEnabled;
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EnableDevice(XTestptr, FALSE);
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EnableDevice(XTestkeybd, FALSE);
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flags[XTestptr->id] |= XIDeviceEnabled;
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flags[XTestkeybd->id] |= XIDeviceEnabled;
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}
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/* Attach the XTest virtual devices to the newly
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created master device */
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AttachDevice(NULL, XTestptr, ptr);
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AttachDevice(NULL, XTestkeybd, keybd);
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flags[XTestptr->id] |= XISlaveAttached;
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flags[XTestkeybd->id] |= XISlaveAttached;
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unwind:
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free(name);
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return rc;
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}
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static int
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remove_master(ClientPtr client, xXIRemoveMasterInfo *r,
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int flags[MAXDEVICES])
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{
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DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd;
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int rc = Success;
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if (r->return_mode != XIAttachToMaster &&
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r->return_mode != XIFloating)
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return BadValue;
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rc = dixLookupDevice(&ptr, r->deviceid, client, DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(ptr))
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{
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client->errorValue = r->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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/* XXX: For now, don't allow removal of VCP, VCK */
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if (ptr == inputInfo.pointer || ptr == inputInfo.keyboard)
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{
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rc = BadDevice;
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goto unwind;
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}
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ptr = GetMaster(ptr, MASTER_POINTER);
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rc = dixLookupDevice(&ptr, ptr->id, client, DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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keybd = GetMaster(ptr, MASTER_KEYBOARD);
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rc = dixLookupDevice(&keybd, keybd->id, client, DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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XTestptr = GetXTestDevice(ptr);
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rc = dixLookupDevice(&XTestptr, XTestptr->id, client, DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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XTestkeybd = GetXTestDevice(keybd);
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rc = dixLookupDevice(&XTestkeybd, XTestkeybd->id, client,
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DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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/* Disabling sends the devices floating, reattach them if
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* desired. */
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if (r->return_mode == XIAttachToMaster)
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{
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DeviceIntPtr attached,
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newptr,
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newkeybd;
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rc = dixLookupDevice(&newptr, r->return_pointer, client, DixAddAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(newptr))
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{
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client->errorValue = r->return_pointer;
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rc = BadDevice;
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goto unwind;
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}
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rc = dixLookupDevice(&newkeybd, r->return_keyboard,
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client, DixAddAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(newkeybd))
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{
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client->errorValue = r->return_keyboard;
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rc = BadDevice;
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goto unwind;
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}
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for (attached = inputInfo.devices; attached; attached = attached->next)
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{
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if (!IsMaster(attached)) {
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if (attached->u.master == ptr)
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{
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AttachDevice(client, attached, newptr);
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flags[attached->id] |= XISlaveAttached;
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}
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if (attached->u.master == keybd)
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{
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AttachDevice(client, attached, newkeybd);
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flags[attached->id] |= XISlaveAttached;
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}
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}
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}
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}
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/* can't disable until we removed pairing */
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keybd->spriteInfo->paired = NULL;
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ptr->spriteInfo->paired = NULL;
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XTestptr->spriteInfo->paired = NULL;
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XTestkeybd->spriteInfo->paired = NULL;
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/* disable the remove the devices, XTest devices must be done first
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else the sprites they rely on will be destroyed */
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DisableDevice(XTestptr, FALSE);
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DisableDevice(XTestkeybd, FALSE);
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DisableDevice(keybd, FALSE);
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DisableDevice(ptr, FALSE);
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flags[XTestptr->id] |= XIDeviceDisabled | XISlaveDetached;
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flags[XTestkeybd->id] |= XIDeviceDisabled | XISlaveDetached;
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flags[keybd->id] |= XIDeviceDisabled;
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flags[ptr->id] |= XIDeviceDisabled;
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RemoveDevice(XTestptr, FALSE);
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RemoveDevice(XTestkeybd, FALSE);
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RemoveDevice(keybd, FALSE);
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RemoveDevice(ptr, FALSE);
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flags[XTestptr->id] |= XISlaveRemoved;
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flags[XTestkeybd->id] |= XISlaveRemoved;
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flags[keybd->id] |= XIMasterRemoved;
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flags[ptr->id] |= XIMasterRemoved;
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unwind:
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return rc;
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}
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static int
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detach_slave(ClientPtr client, xXIDetachSlaveInfo *c, int flags[MAXDEVICES])
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{
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DeviceIntPtr ptr;
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int rc;
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rc = dixLookupDevice(&ptr, c->deviceid, client, DixManageAccess);
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if (rc != Success)
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goto unwind;
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if (IsMaster(ptr))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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/* Don't allow changes to XTest Devices, these are fixed */
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if (IsXTestDevice(ptr, NULL))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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AttachDevice(client, ptr, NULL);
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flags[ptr->id] |= XISlaveDetached;
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unwind:
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return rc;
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}
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static int
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attach_slave(ClientPtr client, xXIAttachSlaveInfo *c,
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int flags[MAXDEVICES])
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{
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DeviceIntPtr ptr;
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DeviceIntPtr newmaster;
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int rc;
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rc = dixLookupDevice(&ptr, c->deviceid, client, DixManageAccess);
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if (rc != Success)
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goto unwind;
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if (IsMaster(ptr))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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/* Don't allow changes to XTest Devices, these are fixed */
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if (IsXTestDevice(ptr, NULL))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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rc = dixLookupDevice(&newmaster, c->new_master, client, DixAddAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(newmaster))
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{
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client->errorValue = c->new_master;
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rc = BadDevice;
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goto unwind;
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}
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if (!((IsPointerDevice(newmaster) && IsPointerDevice(ptr)) ||
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(IsKeyboardDevice(newmaster) && IsKeyboardDevice(ptr))))
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{
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rc = BadDevice;
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goto unwind;
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}
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AttachDevice(client, ptr, newmaster);
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flags[ptr->id] |= XISlaveAttached;
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unwind:
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return rc;
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}
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#define SWAPIF(cmd) if (client->swapped) { cmd; }
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int
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ProcXIChangeHierarchy(ClientPtr client)
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{
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DeviceIntPtr ptr, keybd, XTestptr, XTestkeybd;
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xXIAnyHierarchyChangeInfo *any;
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int required_len = sizeof(xXIChangeHierarchyReq);
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char n;
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@ -169,276 +439,38 @@ ProcXIChangeHierarchy(ClientPtr client)
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case XIAddMaster:
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{
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xXIAddMasterInfo* c = (xXIAddMasterInfo*)any;
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char* name;
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SWAPIF(swaps(&c->name_len, n));
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name = calloc(c->name_len + 1, sizeof(char));
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strncpy(name, (char*)&c[1], c->name_len);
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rc = AllocDevicePair(client, name, &ptr, &keybd,
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CorePointerProc, CoreKeyboardProc,
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TRUE);
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rc = add_master(client, c, flags);
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if (rc != Success)
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{
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free(name);
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goto unwind;
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}
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if (!c->send_core)
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ptr->coreEvents = keybd->coreEvents = FALSE;
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/* Allocate virtual slave devices for xtest events */
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rc = AllocXTestDevice(client, name, &XTestptr, &XTestkeybd,
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ptr, keybd);
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if (rc != Success)
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{
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free(name);
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goto unwind;
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}
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ActivateDevice(ptr, FALSE);
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ActivateDevice(keybd, FALSE);
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flags[ptr->id] |= XIMasterAdded;
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flags[keybd->id] |= XIMasterAdded;
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ActivateDevice(XTestptr, FALSE);
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ActivateDevice(XTestkeybd, FALSE);
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flags[XTestptr->id] |= XISlaveAdded;
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flags[XTestkeybd->id] |= XISlaveAdded;
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if (c->enable)
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{
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EnableDevice(ptr, FALSE);
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EnableDevice(keybd, FALSE);
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flags[ptr->id] |= XIDeviceEnabled;
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flags[keybd->id] |= XIDeviceEnabled;
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EnableDevice(XTestptr, FALSE);
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EnableDevice(XTestkeybd, FALSE);
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flags[XTestptr->id] |= XIDeviceEnabled;
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flags[XTestkeybd->id] |= XIDeviceEnabled;
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}
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/* Attach the XTest virtual devices to the newly
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created master device */
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AttachDevice(NULL, XTestptr, ptr);
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AttachDevice(NULL, XTestkeybd, keybd);
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flags[XTestptr->id] |= XISlaveAttached;
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flags[XTestkeybd->id] |= XISlaveAttached;
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free(name);
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}
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break;
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case XIRemoveMaster:
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{
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xXIRemoveMasterInfo* r = (xXIRemoveMasterInfo*)any;
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if (r->return_mode != XIAttachToMaster &&
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r->return_mode != XIFloating)
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return BadValue;
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rc = dixLookupDevice(&ptr, r->deviceid, client,
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DixDestroyAccess);
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rc = remove_master(client, r, flags);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(ptr))
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{
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client->errorValue = r->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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/* XXX: For now, don't allow removal of VCP, VCK */
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if (ptr == inputInfo.pointer ||
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ptr == inputInfo.keyboard)
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{
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rc = BadDevice;
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goto unwind;
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}
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ptr = GetMaster(ptr, MASTER_POINTER);
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rc = dixLookupDevice(&ptr,
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ptr->id,
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client,
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DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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keybd = GetMaster(ptr, MASTER_KEYBOARD);
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rc = dixLookupDevice(&keybd,
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keybd->id,
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client,
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DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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XTestptr = GetXTestDevice(ptr);
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rc = dixLookupDevice(&XTestptr, XTestptr->id, client,
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DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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XTestkeybd = GetXTestDevice(keybd);
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rc = dixLookupDevice(&XTestkeybd, XTestkeybd->id, client,
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DixDestroyAccess);
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if (rc != Success)
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goto unwind;
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/* Disabling sends the devices floating, reattach them if
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* desired. */
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if (r->return_mode == XIAttachToMaster)
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{
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DeviceIntPtr attached,
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newptr,
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newkeybd;
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rc = dixLookupDevice(&newptr, r->return_pointer,
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client, DixAddAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(newptr))
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{
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client->errorValue = r->return_pointer;
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rc = BadDevice;
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goto unwind;
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}
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rc = dixLookupDevice(&newkeybd, r->return_keyboard,
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client, DixAddAccess);
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if (rc != Success)
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goto unwind;
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if (!IsMaster(newkeybd))
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{
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client->errorValue = r->return_keyboard;
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rc = BadDevice;
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goto unwind;
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}
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for (attached = inputInfo.devices;
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attached;
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attached = attached->next)
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{
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if (!IsMaster(attached)) {
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if (attached->u.master == ptr)
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{
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AttachDevice(client, attached, newptr);
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flags[attached->id] |= XISlaveAttached;
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}
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if (attached->u.master == keybd)
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{
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AttachDevice(client, attached, newkeybd);
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flags[attached->id] |= XISlaveAttached;
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}
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}
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}
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}
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/* can't disable until we removed pairing */
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keybd->spriteInfo->paired = NULL;
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ptr->spriteInfo->paired = NULL;
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XTestptr->spriteInfo->paired = NULL;
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XTestkeybd->spriteInfo->paired = NULL;
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/* disable the remove the devices, XTest devices must be done first
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else the sprites they rely on will be destroyed */
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DisableDevice(XTestptr, FALSE);
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DisableDevice(XTestkeybd, FALSE);
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DisableDevice(keybd, FALSE);
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DisableDevice(ptr, FALSE);
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flags[XTestptr->id] |= XIDeviceDisabled | XISlaveDetached;
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flags[XTestkeybd->id] |= XIDeviceDisabled | XISlaveDetached;
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flags[keybd->id] |= XIDeviceDisabled;
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flags[ptr->id] |= XIDeviceDisabled;
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RemoveDevice(XTestptr, FALSE);
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RemoveDevice(XTestkeybd, FALSE);
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RemoveDevice(keybd, FALSE);
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RemoveDevice(ptr, FALSE);
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flags[XTestptr->id] |= XISlaveRemoved;
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flags[XTestkeybd->id] |= XISlaveRemoved;
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flags[keybd->id] |= XIMasterRemoved;
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flags[ptr->id] |= XIMasterRemoved;
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}
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break;
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case XIDetachSlave:
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{
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xXIDetachSlaveInfo* c = (xXIDetachSlaveInfo*)any;
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rc = dixLookupDevice(&ptr, c->deviceid, client,
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DixManageAccess);
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rc = detach_slave(client, c, flags);
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if (rc != Success)
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goto unwind;
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if (IsMaster(ptr))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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/* Don't allow changes to XTest Devices, these are fixed */
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if (IsXTestDevice(ptr, NULL))
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{
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client->errorValue = c->deviceid;
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rc = BadDevice;
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goto unwind;
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}
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AttachDevice(client, ptr, NULL);
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flags[ptr->id] |= XISlaveDetached;
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}
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break;
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case XIAttachSlave:
|
||||
{
|
||||
xXIAttachSlaveInfo* c = (xXIAttachSlaveInfo*)any;
|
||||
DeviceIntPtr newmaster;
|
||||
|
||||
rc = dixLookupDevice(&ptr, c->deviceid, client,
|
||||
DixManageAccess);
|
||||
rc = attach_slave(client, c, flags);
|
||||
if (rc != Success)
|
||||
goto unwind;
|
||||
|
||||
if (IsMaster(ptr))
|
||||
{
|
||||
client->errorValue = c->deviceid;
|
||||
rc = BadDevice;
|
||||
goto unwind;
|
||||
}
|
||||
|
||||
/* Don't allow changes to XTest Devices, these are fixed */
|
||||
if (IsXTestDevice(ptr, 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(ptr)) ||
|
||||
(IsKeyboardDevice(newmaster) &&
|
||||
IsKeyboardDevice(ptr))))
|
||||
{
|
||||
rc = BadDevice;
|
||||
goto unwind;
|
||||
}
|
||||
AttachDevice(client, ptr, newmaster);
|
||||
flags[ptr->id] |= XISlaveAttached;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue