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Diffstat (limited to 'xorg-server/Xi/setdval.c')
| -rw-r--r-- | xorg-server/Xi/setdval.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/xorg-server/Xi/setdval.c b/xorg-server/Xi/setdval.c new file mode 100644 index 000000000..b1e22fc21 --- /dev/null +++ b/xorg-server/Xi/setdval.c @@ -0,0 +1,148 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Hewlett-Packard not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +********************************************************/ + +/*********************************************************************** + * + * Request to change the mode of an extension input device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" /* DeviceIntPtr */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "XIstubs.h" +#include "exglobals.h" + +#include "setdval.h" + +/*********************************************************************** + * + * Handle a request from a client with a different byte order. + * + */ + +int +SProcXSetDeviceValuators(ClientPtr client) +{ + char n; + + REQUEST(xSetDeviceValuatorsReq); + swaps(&stuff->length, n); + return (ProcXSetDeviceValuators(client)); +} + +/*********************************************************************** + * + * This procedure sets the value of valuators on an extension input device. + * + */ + +int +ProcXSetDeviceValuators(ClientPtr client) +{ + DeviceIntPtr dev; + xSetDeviceValuatorsReply rep; + int rc; + + REQUEST(xSetDeviceValuatorsReq); + REQUEST_AT_LEAST_SIZE(xSetDeviceValuatorsReq); + + rep.repType = X_Reply; + rep.RepType = X_SetDeviceValuators; + rep.length = 0; + rep.status = Success; + rep.sequenceNumber = client->sequence; + + if (stuff->length != (sizeof(xSetDeviceValuatorsReq) >> 2) + + stuff->num_valuators) + return BadLength; + + rc = dixLookupDevice(&dev, stuff->deviceid, client, DixSetAttrAccess); + if (rc != Success) + return rc; + if (dev->valuator == NULL) + return BadMatch; + + if (stuff->first_valuator + stuff->num_valuators > dev->valuator->numAxes) + return BadValue; + + if ((dev->grab) && !SameClient(dev->grab, client)) + rep.status = AlreadyGrabbed; + else + rep.status = SetDeviceValuators(client, dev, (int *)&stuff[1], + stuff->first_valuator, + stuff->num_valuators); + + if (rep.status != Success && rep.status != AlreadyGrabbed) + return rep.status; + + WriteReplyToClient(client, sizeof(xSetDeviceValuatorsReply), &rep); + return Success; +} + +/*********************************************************************** + * + * This procedure writes the reply for the XSetDeviceValuators function, + * if the client and server have a different byte ordering. + * + */ + +void +SRepXSetDeviceValuators(ClientPtr client, int size, + xSetDeviceValuatorsReply * rep) +{ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + WriteToClient(client, size, (char *)rep); +} |