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Diffstat (limited to 'Xi/getfocus.c')
| -rw-r--r-- | Xi/getfocus.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/Xi/getfocus.c b/Xi/getfocus.c new file mode 100644 index 000000000..1e34df413 --- /dev/null +++ b/Xi/getfocus.c @@ -0,0 +1,151 @@ +/* $Xorg: getfocus.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 get the focus for an extension device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#include "X.h" /* for inputstr.h */ +#include "Xproto.h" /* Request macro */ +#include "windowstr.h" /* focus struct */ +#include "inputstr.h" /* DeviceIntPtr */ +#include "XI.h" +#include "XIproto.h" + +extern int IReqCode; +extern int BadDevice; +extern void (* ReplySwapVector[256]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * This procedure gets the focus for a device. + * + */ + +int +SProcXGetDeviceFocus(client) + register ClientPtr client; + { + register char n; + + REQUEST(xGetDeviceFocusReq); + swaps(&stuff->length, n); + return(ProcXGetDeviceFocus(client)); + } + +/*********************************************************************** + * + * This procedure gets the focus for a device. + * + */ + +int +ProcXGetDeviceFocus(client) + ClientPtr client; + { + DeviceIntPtr dev; + FocusClassPtr focus; + xGetDeviceFocusReply rep; + + REQUEST(xGetDeviceFocusReq); + REQUEST_SIZE_MATCH(xGetDeviceFocusReq); + + dev = LookupDeviceIntRec (stuff->deviceid); + if (dev == NULL || !dev->focus) + { + SendErrorToClient(client, IReqCode, X_GetDeviceFocus, 0, BadDevice); + return Success; + } + + rep.repType = X_Reply; + rep.RepType = X_GetDeviceFocus; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + focus = dev->focus; + + if (focus->win == NoneWin) + rep.focus = None; + else if (focus->win == PointerRootWin) + rep.focus = PointerRoot; + else if (focus->win == FollowKeyboardWin) + rep.focus = FollowKeyboard; + else + rep.focus = focus->win->drawable.id; + + rep.time = focus->time.milliseconds; + rep.revertTo = focus->revert; + WriteReplyToClient (client, sizeof(xGetDeviceFocusReply), &rep); + return Success; + } + +/*********************************************************************** + * + * This procedure writes the reply for the GetDeviceFocus function, + * if the client and server have a different byte ordering. + * + */ + +SRepXGetDeviceFocus (client, size, rep) + ClientPtr client; + int size; + xGetDeviceFocusReply *rep; + { + register char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->focus, n); + swapl(&rep->time, n); + WriteToClient(client, size, (char *)rep); + } |