diff options
Diffstat (limited to 'src/XECallBcks.c')
| -rw-r--r-- | src/XECallBcks.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/XECallBcks.c b/src/XECallBcks.c new file mode 100644 index 0000000..e04f1e4 --- /dev/null +++ b/src/XECallBcks.c @@ -0,0 +1,175 @@ +/* $XFree86: xc/lib/XTrap/XECallBcks.c,v 1.1 2001/11/02 23:29:27 dawes Exp $ */ +/***************************************************************************** +Copyright 1987, 1988, 1989, 1990, 1991 by Digital Equipment Corp., Maynard, MA + +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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +*****************************************************************************/ +/* + * + * CONTRIBUTORS: + * + * Dick Annicchiarico + * Robert Chesler + * Dan Coutu + * Gene Durso + * Marc Evans + * Alan Jamison + * Mark Henry + * Ken Miller + * + */ +/* + * This file contains XETrap Callback initilization routines. + * The callback data hang off of the TC and are freed as part of the + * XEFreeTC routine. + */ + +#include <X11/Xos.h> +#include <X11/extensions/xtraplib.h> +#include <X11/extensions/xtraplibp.h> + +int XEAddRequestCB(XETC *tc, CARD8 req, void_function func, BYTE *data) +{ + if (!tc->values.req_cb) + { /* This is the first time for this particular TC, need to malloc */ + if ((tc->values.req_cb = + (XETrapCB *)XtCalloc(256L,sizeof(XETrapCB))) == NULL) + { + /* XtCalloc already reported the error */ + return(False); + } + } + tc->values.req_cb[req].func = func; + tc->values.req_cb[req].data = data; + + return(True); +} + +int XEAddRequestCBs(XETC *tc, ReqFlags req_flags, void_function func, + BYTE *data) +{ + int i; + int status = True; + + for (i=0; i<=255L; i++) + { + if (BitIsTrue(req_flags, i)) + { + status = XEAddRequestCB(tc, (CARD8)i, func, data); + } + } + return(status); +} + +int XEAddEventCB(XETC *tc, CARD8 evt, void_function func, BYTE *data) +{ + if (!tc->values.evt_cb) + { /* This is the first time for this particular TC, need to malloc */ + if ((tc->values.evt_cb = + (XETrapCB *)XtCalloc(XETrapCoreEvents,sizeof(XETrapCB))) == NULL) + { + /* XtCalloc already reported the error */ + return(False); + } + } + tc->values.evt_cb[evt].func = func; + tc->values.evt_cb[evt].data = data; + + return(True); +} + +int XEAddEventCBs(XETC *tc, EventFlags evt_flags, void_function func, + BYTE *data) +{ + int i; + int status = True; + + for (i=KeyPress; i<=MotionNotify; i++) + { + if (BitIsTrue(evt_flags, i)) + { + status = XEAddEventCB(tc, (CARD8)i, func, data); + } + } + return(status); +} + +void XERemoveRequestCB(XETC *tc, CARD8 req) +{ + if (!tc->values.req_cb) + { /* We gotta problem! CB struct not allocated! */ + return; + } + tc->values.req_cb[req].func = (void_function)NULL; + tc->values.req_cb[req].data = (BYTE *)NULL; + return; +} +void XERemoveRequestCBs(XETC *tc, ReqFlags req_flags) +{ + int i; + + for (i=0; i<=255L; i++) + { + if (BitIsTrue(req_flags, i)) + { + XERemoveRequestCB(tc, (CARD8)i); + } + } +} + +void XERemoveAllRequestCBs(XETC *tc) +{ + if (!tc->values.req_cb) + { /* We gotta problem! CB struct not allocated! */ + return; + } + XtFree((XtPointer)tc->values.req_cb); +} + +void XERemoveEventCB(XETC *tc, CARD8 evt) +{ + if (!tc->values.evt_cb) + { /* We gotta problem! CB struct not allocated! */ + return; + } + tc->values.evt_cb[evt].func = (void_function)NULL; + tc->values.evt_cb[evt].data = (BYTE *)NULL; + return; +} + +void XERemoveEventCBs(XETC *tc, EventFlags evt_flags) +{ + int i; + + for (i=KeyPress; i<=MotionNotify; i++) + { + if (BitIsTrue(evt_flags, i)) + { + XERemoveEventCB(tc, (CARD8)i); + } + } +} + +void XERemoveAllEventCBs(XETC *tc) +{ + if (!tc->values.evt_cb) + { /* We gotta problem! CB struct not allocated! */ + return; + } + XtFree((XtPointer)tc->values.evt_cb); +} |