R6.6 is the Xorg base-lineXORG-MAIN

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diff --git a/src/TMgrab.c b/src/TMgrab.c
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+++ b/src/TMgrab.c
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+/* $Xorg: TMgrab.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */
+
+/***********************************************************
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts
+Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
+
+                        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 names of Digital or Sun 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.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO  THIS  SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE  LI-
+ABLE  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.
+
+******************************************************************/
+
+/*
+
+Copyright 1987, 1988, 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.
+
+*/
+
+/*LINTLIBRARY*/
+#include "IntrinsicI.h"
+
+typedef struct _GrabActionRec {
+    struct _GrabActionRec* next;
+    XtActionProc action_proc;
+    Boolean owner_events;
+    unsigned int event_mask;
+    int pointer_mode, keyboard_mode;
+} GrabActionRec;
+
+static GrabActionRec *grabActionList = NULL;
+
+static void GrabAllCorrectKeys(widget, typeMatch, modMatch, grabP)
+    Widget widget;
+    TMTypeMatch typeMatch;
+    TMModifierMatch modMatch;
+    GrabActionRec* grabP;
+{
+    Display *dpy = XtDisplay(widget);
+    KeyCode *keycodes, *keycodeP;
+    Cardinal keycount;
+    Modifiers careOn = 0;
+    Modifiers careMask = 0;
+
+    if (modMatch->lateModifiers) {
+	Boolean resolved;
+	resolved = _XtComputeLateBindings(dpy, modMatch->lateModifiers,
+					  &careOn, &careMask);
+	if (!resolved) return;
+    }
+    careOn |= modMatch->modifiers;
+    careMask |= modMatch->modifierMask;
+
+    XtKeysymToKeycodeList(
+	    dpy,
+	    (KeySym)typeMatch->eventCode,
+	    &keycodes,
+	    &keycount
+			 );
+    if (keycount == 0) return;
+    for (keycodeP = keycodes; keycount--; keycodeP++) {
+	if (modMatch->standard) {
+	    /* find standard modifiers that produce this keysym */
+	    KeySym keysym;
+	    int std_mods, least_mod;
+	    Modifiers modifiers_return;
+	    XtTranslateKeycode( dpy, *keycodeP, (Modifiers)0,
+			        &modifiers_return, &keysym );
+	    if (careOn & modifiers_return)
+		return;
+	    if (keysym == typeMatch->eventCode) {
+		XtGrabKey(widget, *keycodeP, careOn,
+			  grabP->owner_events,
+			  grabP->pointer_mode,
+			  grabP->keyboard_mode
+			);
+		/* continue; */		/* grab all modifier combinations */
+	    }
+	    least_mod = modifiers_return & (~modifiers_return + 1);
+	    for (std_mods = modifiers_return;
+		 std_mods >= least_mod; std_mods--) {
+		Modifiers dummy;
+		 /* check all useful combinations of modifier bits */
+		if (modifiers_return & std_mods &&
+		    !(~modifiers_return & std_mods)) {
+		    XtTranslateKeycode( dpy, *keycodeP,
+					(Modifiers)std_mods,
+					&dummy, &keysym );
+		    if (keysym == typeMatch->eventCode) {
+			XtGrabKey(widget, *keycodeP,
+				  careOn | (Modifiers) std_mods,
+				  grabP->owner_events,
+				  grabP->pointer_mode,
+				  grabP->keyboard_mode
+				);
+			/* break; */	/* grab all modifier combinations */
+		    }
+		}
+	    }
+	} else /* !event->standard */ {
+	    XtGrabKey(widget, *keycodeP, careOn,
+		      grabP->owner_events,
+		      grabP->pointer_mode,
+		      grabP->keyboard_mode
+		    );
+	}
+    }
+    XtFree((char *)keycodes);
+}
+
+typedef struct {
+    TMShortCard count;
+    Widget	widget;
+    GrabActionRec *grabP;
+}DoGrabRec;
+
+static Boolean DoGrab(state, data)
+    StatePtr		state;
+    XtPointer		data;
+{
+    DoGrabRec		*doGrabP = (DoGrabRec *)data;
+    GrabActionRec* 	grabP = doGrabP->grabP;
+    Widget		widget = doGrabP->widget;
+    TMShortCard		count = doGrabP->count;
+    TMShortCard		typeIndex = state->typeIndex;
+    TMShortCard		modIndex = state->modIndex;
+    ActionRec		*action;
+    TMTypeMatch		typeMatch;
+    TMModifierMatch	modMatch;
+    Modifiers		careOn = 0;
+    Modifiers		careMask = 0;
+    Boolean		resolved;
+
+    LOCK_PROCESS;
+    typeMatch = TMGetTypeMatch(typeIndex);
+    modMatch = TMGetModifierMatch(modIndex);
+
+    for (action = state->actions; action; action = action->next)
+      if (count == action->idx) break;
+    if (!action) {
+	UNLOCK_PROCESS;
+	return False;
+    }
+    
+    switch (typeMatch->eventType) {
+      case ButtonPress:
+      case ButtonRelease:
+	if (modMatch->lateModifiers) {
+	    resolved = _XtComputeLateBindings(XtDisplay(widget),
+					      modMatch->lateModifiers,
+					      &careOn, &careMask);
+	    if (!resolved) break;
+	}
+	careOn |= modMatch->modifiers;
+	XtGrabButton(
+		     widget,
+		     (unsigned) typeMatch->eventCode,
+		     careOn,
+		     grabP->owner_events,
+		     grabP->event_mask,
+		     grabP->pointer_mode,
+		     grabP->keyboard_mode,
+		     None,
+		     None
+		     );
+	break;
+	
+      case KeyPress:
+      case KeyRelease:
+	GrabAllCorrectKeys(widget, typeMatch, modMatch, grabP);
+	break;
+	
+      case EnterNotify:
+	break;
+	
+      default:
+	XtAppWarningMsg(XtWidgetToApplicationContext(widget),
+			"invalidPopup","unsupportedOperation",XtCXtToolkitError,
+			"Pop-up menu creation is only supported on Button, Key or EnterNotify events.",
+			(String *)NULL, (Cardinal *)NULL);
+	break;
+    }
+    UNLOCK_PROCESS;
+    return False;
+}
+
+void _XtRegisterGrabs(widget)
+    Widget widget;
+{
+    XtTranslations 	xlations = widget->core.tm.translations;
+    TMComplexStateTree 	*stateTreePtr;
+    unsigned int 	count;
+    TMShortCard		i;
+    TMBindData   	bindData = (TMBindData) widget->core.tm.proc_table;
+    XtActionProc	*procs;
+
+    if (! XtIsRealized(widget) || widget->core.being_destroyed)
+	return;
+
+    /* walk the widget instance action bindings table looking for */
+    /* actions registered as grab actions. */
+    /* when you find one, do a grab on the triggering event */
+    
+    if (xlations == NULL) return;
+    stateTreePtr = (TMComplexStateTree *) xlations->stateTreeTbl;
+    if (*stateTreePtr == NULL) return;
+    for (i = 0; i < xlations->numStateTrees; i++, stateTreePtr++) {
+	if (bindData->simple.isComplex) 
+	  procs = TMGetComplexBindEntry(bindData, i)->procs;
+	else 
+	  procs = TMGetSimpleBindEntry(bindData, i)->procs;
+	for (count=0; count < (*stateTreePtr)->numQuarks; count++) {
+	    GrabActionRec* grabP;
+	    DoGrabRec      doGrab;
+
+	    LOCK_PROCESS;
+	    for (grabP = grabActionList; grabP != NULL; grabP = grabP->next) {
+		if (grabP->action_proc == procs[count]) {
+		    /* we've found a "grabber" in the action table. Find the 
+		     * states that call this action.  Note that if there is 
+		     * more than one "grabber" in the action table, we end 
+		     * up searching all of the states multiple times.
+		     */
+		    doGrab.widget = widget;
+		    doGrab.grabP = grabP;
+		    doGrab.count = count;
+		    _XtTraverseStateTree((TMStateTree)*stateTreePtr,
+					 DoGrab,
+					 (XtPointer)&doGrab);
+		}
+	    }
+	    UNLOCK_PROCESS;
+	}
+    }
+}
+
+#if NeedFunctionPrototypes
+void XtRegisterGrabAction(
+    XtActionProc action_proc, 
+    _XtBoolean owner_events,
+    unsigned int event_mask,
+    int pointer_mode,
+    int keyboard_mode
+    )
+#else
+void XtRegisterGrabAction(action_proc, owner_events, event_mask,
+			  pointer_mode, keyboard_mode)
+    XtActionProc action_proc;
+    Boolean owner_events;
+    unsigned int event_mask;
+    int pointer_mode, keyboard_mode;
+#endif
+{
+    GrabActionRec* actionP;
+
+    LOCK_PROCESS;
+    for (actionP = grabActionList; actionP != NULL; actionP = actionP->next) {
+	if (actionP->action_proc == action_proc) break;
+    }
+    if (actionP == NULL) {
+	actionP = XtNew(GrabActionRec);
+	actionP->action_proc = action_proc;
+	actionP->next = grabActionList;
+	grabActionList = actionP;
+    }
+#ifdef DEBUG
+    else
+	if (   actionP->owner_events != owner_events
+	    || actionP->event_mask != event_mask
+	    || actionP->pointer_mode != pointer_mode
+	    || actionP->keyboard_mode != keyboard_mode) {
+	    Cardinal n = 0;
+	    XtWarningMsg(
+		"argsReplaced", "xtRegisterGrabAction", XtCXtToolkitError,
+		"XtRegisterGrabAction called on same proc with different args",
+			 NULL, &n);
+	}
+#endif /*DEBUG*/
+
+    actionP->owner_events = owner_events;
+    actionP->event_mask = event_mask;
+    actionP->pointer_mode = pointer_mode;
+    actionP->keyboard_mode = keyboard_mode;
+    UNLOCK_PROCESS;
+}
+
+/*ARGSUSED*/
+void _XtGrabInitialize(app)
+    XtAppContext	app;
+{
+    LOCK_PROCESS;
+    if (grabActionList == NULL)
+	XtRegisterGrabAction( XtMenuPopupAction, True,
+			      (unsigned)(ButtonPressMask | ButtonReleaseMask),
+			      GrabModeAsync,
+			      GrabModeAsync
+			    );
+    UNLOCK_PROCESS;
+
+}