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Diffstat (limited to 'Xi/chgdctl.c')
| -rw-r--r-- | Xi/chgdctl.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/Xi/chgdctl.c b/Xi/chgdctl.c new file mode 100644 index 000000000..e5dab66c1 --- /dev/null +++ b/Xi/chgdctl.c @@ -0,0 +1,209 @@ +/* $Xorg: chgdctl.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */ + +/************************************************************ + +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. + +********************************************************/ + +/******************************************************************** + * + * Change Device control attributes for an extension device. + * + */ + +#define NEED_EVENTS /* for inputstr.h */ +#define NEED_REPLIES +#include "X.h" /* for inputstr.h */ +#include "Xproto.h" /* Request macro */ +#include "inputstr.h" /* DeviceIntPtr */ +#include "XI.h" +#include "XIproto.h" /* control constants */ + +extern int IReqCode; +extern int BadDevice, DeviceBusy; +extern void (* ReplySwapVector[256]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * This procedure changes the control attributes for an extension device, + * for clients on machines with a different byte ordering than the server. + * + */ + +int +SProcXChangeDeviceControl(client) + register ClientPtr client; + { + register char n; + + REQUEST(xChangeDeviceControlReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq); + swaps(&stuff->control, n); + return(ProcXChangeDeviceControl(client)); + } + +/*********************************************************************** + * + * Change the control attributes. + * + */ + +ProcXChangeDeviceControl(client) + ClientPtr client; + { + int i, len, status; + DeviceIntPtr dev; + xDeviceResolutionCtl *r; + xChangeDeviceControlReply rep; + AxisInfoPtr a; + CARD32 *resolution; + + REQUEST(xChangeDeviceControlReq); + REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq); + + len = stuff->length - (sizeof(xChangeDeviceControlReq) >>2); + dev = LookupDeviceIntRec (stuff->deviceid); + if (dev == NULL) + { + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, 0, + BadDevice); + return Success; + } + + rep.repType = X_Reply; + rep.RepType = X_ChangeDeviceControl; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + switch (stuff->control) + { + case DEVICE_RESOLUTION: + r = (xDeviceResolutionCtl *) &stuff[1]; + if ((len < (sizeof(xDeviceResolutionCtl)>>2)) || + (len != (sizeof(xDeviceResolutionCtl)>>2) + + r->num_valuators)) + { + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, + 0, BadLength); + return Success; + } + if (!dev->valuator) + { + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, 0, + BadMatch); + return Success; + } + if ((dev->grab) && !SameClient(dev->grab, client)) + { + rep.status = AlreadyGrabbed; + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), + &rep); + return Success; + } + resolution = (CARD32 *) (r + 1); + if (r->first_valuator + r->num_valuators > dev->valuator->numAxes) + { + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, 0, + BadValue); + return Success; + } + status = ChangeDeviceControl(client, dev, r); + if (status == Success) + { + a = &dev->valuator->axes[r->first_valuator]; + for (i=0; i<r->num_valuators; i++) + if (*(resolution+i) < (a+i)->min_resolution || + *(resolution+i) > (a+i)->max_resolution) + { + SendErrorToClient (client, IReqCode, + X_ChangeDeviceControl, 0, BadValue); + return Success; + } + for (i=0; i<r->num_valuators; i++) + (a++)->resolution = *resolution++; + } + else if (status == DeviceBusy) + { + rep.status = DeviceBusy; + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), + &rep); + return Success; + } + else + { + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, 0, + BadMatch); + return Success; + } + break; + default: + SendErrorToClient (client, IReqCode, X_ChangeDeviceControl, 0, + BadValue); + return Success; + } + WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep); + return Success; + } + +/*********************************************************************** + * + * This procedure writes the reply for the xChangeDeviceControl function, + * if the client and server have a different byte ordering. + * + */ + +SRepXChangeDeviceControl (client, size, rep) + ClientPtr client; + int size; + xChangeDeviceControlReply *rep; + { + register char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + WriteToClient(client, size, (char *)rep); + } + |