/* MODIFIED ATHENA SCROLLBAR (USING ARROWHEADS AT ENDS OF TRAVEL) */
/* Modifications Copyright 1992 by Mitch Trachtenberg             */
/* Rights, permissions, and disclaimer of warranty are as in the  */
/* DEC and MIT notice below.  See usage warning in .c file.       */

/*
 * $XConsortium: ScrollbarP.h,v 1.2 90/04/11 17:33:53 jim Exp $
 */


/***********************************************************
Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.

                        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 MIT 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.

******************************************************************/

#ifndef _ScrollbarP_h
#define _ScrollbarP_h

#ifdef VMS
#   include <XAW_DIRECTORY/Scrollbar.h>
#   include <XAW_DIRECTORY/ThreeDP.h>
#else
#   include <X11/Xaw3d/Scrollbar.h>
#   include <X11/Xaw3d/ThreeDP.h>
#endif

typedef struct {
     /* public */
    Pixel	  foreground;	/* thumb foreground color */
    XtOrientation orientation;	/* horizontal or vertical */
    XtCallbackList scrollProc;	/* proportional scroll */
    XtCallbackList thumbProc;	/* jump (to position) scroll */
    XtCallbackList jumpProc;	/* same as thumbProc but pass data by ref */
    Pixmap	  thumb;	/* thumb color */
#ifndef ARROW_SCROLLBAR
    Cursor        upCursor;	/* scroll up cursor */
    Cursor        downCursor;	/* scroll down cursor */
    Cursor        leftCursor;	/* scroll left cursor */
    Cursor        rightCursor;	/* scroll right cursor */
    Cursor        verCursor;	/* scroll vertical cursor */
    Cursor        horCursor;	/* scroll horizontal cursor */
#endif
    float	  top;		/* What percent is above the win's top */
    float	  shown;	/* What percent is shown in the win */
    Dimension	  length;	/* either height or width */
    Dimension	  thickness;	/* either width or height */
    Dimension	  min_thumb;	/* minium size for the thumb. */

     /* private */
#ifdef ARROW_SCROLLBAR
    XtIntervalId  timer_id;     /* autorepeat timer; remove on destruction */
    char	  scroll_mode;	/* 0:none 1:up/back 2:track 3:down/forward */
#else
    Cursor        inactiveCursor; /* the normal cursor for scrollbar */
    char          direction;	/* a scroll has started; which direction */
#endif
    GC		  gc;		/* a (shared) gc */
    Position	  topLoc;	/* Pixel that corresponds to top */
    Dimension	  shownLength;	/* Num pixels corresponding to shown */

} ScrollbarPart;

typedef struct _ScrollbarRec {
    CorePart		core;
    SimplePart		simple;
    ThreeDPart		threeD;
    ScrollbarPart	scrollbar;
} ScrollbarRec;

typedef struct {int empty;} ScrollbarClassPart;

typedef struct _ScrollbarClassRec {
    CoreClassPart		core_class;
    SimpleClassPart		simple_class;
    ThreeDClassPart		threeD_class;
    ScrollbarClassPart		scrollbar_class;
} ScrollbarClassRec;

#ifdef VMS  /*pragma ###jp### 06/18/95 */
#   include <XAW_DIRECTORY/Xaw3D_VMS_PRAGMA_S.H>
#else
#   define _EXTERN_ extern
#endif

_EXTERN_ ScrollbarClassRec scrollbarClassRec;

#undef _EXTERN_
#ifdef VMS  /*pragma ###jp### 06/18/95 */
#   include <XAW_DIRECTORY/Xaw3D_VMS_PRAGMA_E.H>
#endif

#endif /* _ScrollbarP_h */
