diff options
Diffstat (limited to 'Xi/grabdevk.c')
| -rw-r--r-- | Xi/grabdevk.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/Xi/grabdevk.c b/Xi/grabdevk.c new file mode 100644 index 000000000..6db6b8d09 --- /dev/null +++ b/Xi/grabdevk.c @@ -0,0 +1,169 @@ +/* $Xorg: grabdevk.c,v 1.4 2001/02/09 02:04:34 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. + +********************************************************/ + +/*********************************************************************** + * + * Extension function to grab a key on an extension device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#include "X.h" /* for inputstr.h */ +#include "Xproto.h" /* Request macro */ +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* window structure */ +#include "XI.h" +#include "XIproto.h" + +extern int IReqCode; +extern int BadClass; +extern int BadDevice; +extern InputInfo inputInfo; +extern void (* ReplySwapVector[256]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * Handle requests from clients with a different byte order. + * + */ + +int +SProcXGrabDeviceKey(client) + register ClientPtr client; + { + register char n; + register long *p; + register int i; + + REQUEST(xGrabDeviceKeyReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq); + swapl(&stuff->grabWindow, n); + swaps(&stuff->modifiers, n); + swaps(&stuff->event_count, n); + p = (long *) &stuff[1]; + for (i=0; i<stuff->event_count; i++) + { + swapl(p, n); + p++; + } + return(ProcXGrabDeviceKey(client)); + } + +/*********************************************************************** + * + * Grab a key on an extension device. + * + */ + +int +ProcXGrabDeviceKey(client) + ClientPtr client; + { + int ret; + DeviceIntPtr dev; + DeviceIntPtr mdev; + XEventClass *class; + struct tmask tmp[EMASKSIZE]; + + REQUEST(xGrabDeviceKeyReq); + REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq); + + if (stuff->length !=(sizeof(xGrabDeviceKeyReq)>>2) + stuff->event_count) + { + SendErrorToClient (client, IReqCode, X_GrabDeviceKey, 0, BadLength); + return Success; + } + + dev = LookupDeviceIntRec (stuff->grabbed_device); + if (dev == NULL) + { + SendErrorToClient(client, IReqCode, X_GrabDeviceKey, 0, + BadDevice); + return Success; + } + + if (stuff->modifier_device != UseXKeyboard) + { + mdev = LookupDeviceIntRec (stuff->modifier_device); + if (mdev == NULL) + { + SendErrorToClient(client, IReqCode, X_GrabDeviceKey, 0, + BadDevice); + return Success; + } + if (mdev->key == NULL) + { + SendErrorToClient(client, IReqCode, X_GrabDeviceKey, 0, + BadMatch); + return Success; + } + } + else + mdev = (DeviceIntPtr) LookupKeyboardDevice(); + + class = (XEventClass *) (&stuff[1]); /* first word of values */ + + if ((ret = CreateMaskFromList (client, class, + stuff->event_count, tmp, dev, X_GrabDeviceKey)) != Success) + return Success; + + ret = GrabKey(client, dev, stuff->this_device_mode, + stuff->other_devices_mode, stuff->modifiers, mdev, stuff->key, + stuff->grabWindow, stuff->ownerEvents, tmp[stuff->grabbed_device].mask); + + if (ret != Success) + { + SendErrorToClient(client, IReqCode, X_GrabDeviceKey, 0, ret); + return Success; + } + + return Success; + } |