From 981020ce68e4c8d9c0dafba631b0fd3328d7fc59 Mon Sep 17 00:00:00 2001 From: Kaleb Keithley Date: Fri, 14 Nov 2003 15:54:38 +0000 Subject: R6.6 is the Xorg base-line --- src/XListDev.c | 257 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 257 insertions(+) create mode 100644 src/XListDev.c (limited to 'src/XListDev.c') diff --git a/src/XListDev.c b/src/XListDev.c new file mode 100644 index 0000000..714e0c4 --- /dev/null +++ b/src/XListDev.c @@ -0,0 +1,257 @@ +/* $Xorg: XListDev.c,v 1.5 2001/02/09 02:03:51 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. + +********************************************************/ + +/*********************************************************************** + * + * XListInputDevices - Request the server to return a list of + * available input devices. + * + */ + +#define NEED_REPLIES +#define NEED_EVENTS +#include "Xlibint.h" +#include "XIproto.h" +#include "XI.h" +#include "XInput.h" +#include "extutil.h" + +XDeviceInfo +*XListInputDevices(dpy, ndevices) + register Display *dpy; + int *ndevices; + { + int size; + xListInputDevicesReq *req; + xListInputDevicesReply rep; + xDeviceInfo *list, *slist; + XDeviceInfo *sclist; + XDeviceInfo *clist = NULL; + xAnyClassPtr any, sav_any; + XAnyClassPtr Any; + char *nptr, *Nptr; + register int i,j,k; + register long rlen; + XExtDisplayInfo *info = (XExtDisplayInfo *) XInput_find_display (dpy); + + LockDisplay (dpy); + if (_XiCheckExtInit(dpy, XInput_Initial_Release) == -1) + return ((XDeviceInfo *) NULL); + + GetReq(ListInputDevices,req); + req->reqType = info->codes->major_opcode; + req->ReqType = X_ListInputDevices; + + if (! _XReply (dpy, (xReply *) &rep, 0, xFalse)) + { + UnlockDisplay(dpy); + SyncHandle(); + return (XDeviceInfo *) NULL; + } + + if ((*ndevices = rep.ndevices)) /* at least 1 input device */ + { + size = *ndevices * sizeof (XDeviceInfo); + rlen = rep.length << 2; /* multiply length by 4 */ + list = (xDeviceInfo *) Xmalloc (rlen); + slist = list; + if (!slist) + { + _XEatData (dpy, (unsigned long) rlen); + UnlockDisplay(dpy); + SyncHandle(); + return (XDeviceInfo *) NULL; + } + _XRead (dpy, (char *)list, rlen); + + any = (xAnyClassPtr) ((char *) list + + (*ndevices * sizeof(xDeviceInfo))); + sav_any = any; + for (i=0; i<*ndevices; i++, list++) + { + for (j=0; j<(int)list->num_classes; j++) + { + switch (any->class) + { + case KeyClass: + size += sizeof (XKeyInfo); + break; + case ButtonClass: + size += sizeof (XButtonInfo); + break; + case ValuatorClass: + { + xValuatorInfoPtr v; + v = (xValuatorInfoPtr) any; + size += sizeof (XValuatorInfo) + + (v->num_axes * sizeof (XAxisInfo)); + break; + } + default: + break; + } + any = (xAnyClassPtr) ((char *) any + any->length); + } + } + + for (i=0, nptr = (char *) any; i<*ndevices; i++) + { + size += *nptr +1; + nptr += (*nptr + 1); + } + + clist = (XDeviceInfoPtr) Xmalloc (size); + if (!clist) + { + XFree ((char *)slist); + UnlockDisplay(dpy); + SyncHandle(); + return (XDeviceInfo *) NULL; + } + sclist = clist; + Any = (XAnyClassPtr) ((char *) clist + + (*ndevices * sizeof (XDeviceInfo))); + list = slist; + any = sav_any; + for (i=0; i<*ndevices; i++, list++, clist++) + { + clist->type = list->type; + clist->id = list->id; + clist->use = list->use; + clist->num_classes = list->num_classes; + clist->inputclassinfo = Any; + for (j=0; j<(int)list->num_classes; j++) + { + switch (any->class) + { + case KeyClass: + { + XKeyInfoPtr K = (XKeyInfoPtr) Any; + xKeyInfoPtr k = (xKeyInfoPtr) any; + K->class = KeyClass; + K->length = sizeof (XKeyInfo); + K->min_keycode = k->min_keycode; + K->max_keycode = k->max_keycode; + K->num_keys = k->num_keys; + break; + } + case ButtonClass: + { + XButtonInfoPtr B = (XButtonInfoPtr) Any; + xButtonInfoPtr b = (xButtonInfoPtr) any; + B->class = ButtonClass; + B->length = sizeof (XButtonInfo); + B->num_buttons = b->num_buttons; + break; + } + case ValuatorClass: + { + XValuatorInfoPtr V = (XValuatorInfoPtr) Any; + xValuatorInfoPtr v = (xValuatorInfoPtr) any; + XAxisInfoPtr A; + xAxisInfoPtr a; + + V->class = ValuatorClass; + V->length = sizeof (XValuatorInfo) + + (v->num_axes * sizeof (XAxisInfo)); + V->num_axes = v->num_axes; + V->motion_buffer = v->motion_buffer_size; + V->mode = v->mode; + A = (XAxisInfoPtr) ((char *) V + sizeof(XValuatorInfo)); + V->axes = A; + a = (xAxisInfoPtr) ((char *) any + + sizeof (xValuatorInfo)); + for (k=0; k<(int)v->num_axes; k++,a++,A++) + { + A->min_value = a->min_value; + A->max_value = a->max_value; + A->resolution = a->resolution; + } + break; + } + default: + break; + } + any = (xAnyClassPtr) ((char *) any + any->length); + Any = (XAnyClassPtr) ((char *) Any + Any->length); + } + } + + clist = sclist; + nptr = (char *) any; + Nptr = (char *) Any; + for (i=0; i<*ndevices; i++,clist++) + { + clist->name = (char *) Nptr; + memcpy (Nptr, nptr+1, *nptr); + Nptr += (*nptr); + *Nptr++ = '\0'; + nptr += (*nptr + 1); + } + } + + XFree ((char *)slist); + UnlockDisplay(dpy); + SyncHandle(); + return (sclist); + } + +/*********************************************************************** + * + * Free the list of input devices. + * + */ + +void XFreeDeviceList (list) + XDeviceInfo *list; + { + if (list != NULL) + { + XFree ((char *) list); + } + } -- cgit v1.2.3