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Diffstat (limited to 'src/XChgDCtl.c')
| -rw-r--r-- | src/XChgDCtl.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/XChgDCtl.c b/src/XChgDCtl.c new file mode 100644 index 0000000..038136a --- /dev/null +++ b/src/XChgDCtl.c @@ -0,0 +1,128 @@ +/* $Xorg: XChgDCtl.c,v 1.4 2001/02/09 02:03:50 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. + +********************************************************/ + +/*********************************************************************** + * + * XChangeDeviceControl - Change the control attributes of an extension + * input device. + * + */ + +#include "XI.h" +#include "XIproto.h" +#include "Xlibint.h" +#include "XInput.h" +#include "extutil.h" + +int +XChangeDeviceControl (dpy, dev, control, d) + register Display *dpy; + XDevice *dev; + int control; + XDeviceControl *d; + { + int length; + xChangeDeviceControlReq *req; + xChangeDeviceControlReply rep; + XExtDisplayInfo *info = (XExtDisplayInfo *) XInput_find_display (dpy); + + LockDisplay (dpy); + if (_XiCheckExtInit(dpy, XInput_Add_XChangeDeviceControl) == -1) + return (NoSuchExtension); + + GetReq(ChangeDeviceControl,req); + req->reqType = info->codes->major_opcode; + req->ReqType = X_ChangeDeviceControl; + req->deviceid = dev->device_id; + req->control = control; + + switch (control) + { + case DEVICE_RESOLUTION: + { + XDeviceResolutionControl *R; + xDeviceResolutionCtl r; + + R = (XDeviceResolutionControl *) d; + r.control = DEVICE_RESOLUTION; + r.length = sizeof (xDeviceResolutionCtl) + + R->num_valuators * sizeof(int); + r.first_valuator = R->first_valuator; + r.num_valuators = R->num_valuators; + req->length += ((unsigned)(r.length + 3) >> 2); + length = sizeof (xDeviceResolutionCtl); + Data (dpy, (char *) &r, length); + length = r.num_valuators * sizeof(int); + Data (dpy, (char *) R->resolutions, length); + if (! _XReply (dpy, (xReply *) &rep, 0, xTrue)) + { + UnlockDisplay(dpy); + SyncHandle(); + return (NoSuchExtension); + } + else + return (rep.status); + } + default: + { + xDeviceCtl u; + + u.control = d->control; + u.length = d->length - sizeof (int); + length = ((unsigned)(u.length + 3) >> 2); + req->length += length; + length <<= 2; + Data (dpy, (char *) &u, length); + } + } + + UnlockDisplay(dpy); + SyncHandle(); + return (Success); + } + |