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Diffstat (limited to 'lib/libXi/src/XOpenDev.c')
| -rw-r--r-- | lib/libXi/src/XOpenDev.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/lib/libXi/src/XOpenDev.c b/lib/libXi/src/XOpenDev.c new file mode 100644 index 000000000..d220330cc --- /dev/null +++ b/lib/libXi/src/XOpenDev.c @@ -0,0 +1,109 @@ +/* $Xorg: XOpenDev.c,v 1.4 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. + +********************************************************/ +/* $XFree86: xc/lib/Xi/XOpenDev.c,v 3.3 2001/12/14 19:55:20 dawes Exp $ */ + +/*********************************************************************** + * + * XOpenDevice - Request the server to open and extension input device. + * + */ + +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include <X11/Xlibint.h> +#include <X11/extensions/XInput.h> +#include <X11/extensions/extutil.h> +#include "XIint.h" + +XDevice * +XOpenDevice(dpy, id) + register Display *dpy; + register XID id; +{ + register long rlen; /* raw length */ + xOpenDeviceReq *req; + xOpenDeviceReply rep; + XDevice *dev; + XExtDisplayInfo *info = XInput_find_display(dpy); + + LockDisplay(dpy); + if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1) + return ((XDevice *) NoSuchExtension); + + GetReq(OpenDevice, req); + req->reqType = info->codes->major_opcode; + req->ReqType = X_OpenDevice; + req->deviceid = id; + + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return (XDevice *) NULL; + } + + rlen = rep.length << 2; + dev = (XDevice *) Xmalloc(sizeof(XDevice) + rep.num_classes * + sizeof(XInputClassInfo)); + if (dev) { + int dlen; /* data length */ + + dev->device_id = req->deviceid; + dev->num_classes = rep.num_classes; + dev->classes = (XInputClassInfo *) ((char *)dev + sizeof(XDevice)); + dlen = rep.num_classes * sizeof(xInputClassInfo); + _XRead(dpy, (char *)dev->classes, dlen); + /* could be padding that we still need to eat (yummy!) */ + if (rlen - dlen > 0) + _XEatData(dpy, (unsigned long)rlen - dlen); + } else + _XEatData(dpy, (unsigned long)rlen); + + UnlockDisplay(dpy); + SyncHandle(); + return (dev); +} |