000

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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
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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******************************************************************/

/*
 * Event.h - exported types and functions for toolkit event handler
 *
 * Author:	Charles Haynes
 * 		Digital Equipment Corporation
 * 		Western Software Laboratory
 * Date:	Sun Dec  6 1987
 */

#ifndef _Event_h_
#define _Event_h_

typedef struct _XtGrabRec  *XtGrabList;

#include "PassivGraI.h"

_XFUNCPROTOBEGIN

extern void _XtEventInitialize(
    void
);

typedef struct _XtEventRec {
     XtEventTable	next;
     EventMask		mask;	/*  also select_data count for RecExt */
     XtEventHandler	proc;
     XtPointer		closure;
     unsigned int	select:1;
     unsigned int	has_type_specifier:1;
     unsigned int	async:1; /* not used, here for Digital extension? */
} XtEventRec;

typedef struct _XtGrabRec {
    XtGrabList next;
    Widget   widget;
    unsigned int exclusive:1;
    unsigned int spring_loaded:1;
}XtGrabRec;

typedef struct _BlockHookRec {
    struct _BlockHookRec* next;
    XtAppContext app;
    XtBlockHookProc proc;
    XtPointer closure;
} BlockHookRec, *BlockHook;

extern void _XtFreeEventTable(
    XtEventTable*	/* event_table */
);

extern Boolean _XtOnGrabList(
    Widget	/* widget */,
    XtGrabRec*	/* grabList */
);

extern void _XtRemoveAllInputs(
    XtAppContext /* app */
);

extern void _XtRefreshMapping(
    XEvent*	/* event */,
    _XtBoolean	/* dispatch */
);

extern void _XtSendFocusEvent(
    Widget	/* child */,
    int		/* type */);

extern EventMask _XtConvertTypeToMask(
    int		/* eventType */
);

/* EventUtil.c */
extern Widget _XtFindRemapWidget(XEvent *event, Widget widget,
				 EventMask mask, XtPerDisplayInput pdi);
extern void _XtUngrabBadGrabs(XEvent *event, Widget widget,
				 EventMask mask, XtPerDisplayInput pdi);
extern void _XtFillAncestorList(Widget **listPtr, int *maxElemsPtr,
				int *numElemsPtr, Widget start,
				Widget breakWidget);

/* NextEvent.c */
extern Boolean XtAppPeekEvent_SkipTimer;

_XFUNCPROTOEND

#endif /* _Event_h_ */