/* Implements a lightweight scrollbar widget.  
   Copyright (C) 1992, 1993, 1994 Lucid, Inc.

This file is part of the Lucid Widget Library.

The Lucid Widget Library is free software; you can redistribute it and/or 
modify it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The Lucid Widget Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Created by Douglas Keller <dkeller@vnet.ibm.com> */

#ifndef _XlwScrollBarP_h
#define _XlwScrollBarP_h


/*
** Widget class
*/
typedef struct {
	int dummy_field;	/* keep compiler happy */
} XlwScrollBarClassPart;

typedef struct _XlwScrollbarClassRec {
    CoreClassPart	  core_class;
    XlwScrollBarClassPart scrollbar_class;
} XlwScrollBarClassRec;


/*
** Widget instance
*/
typedef struct {

    /* resources */
    XtCallbackList	valueChangedCBL;
    XtCallbackList	incrementCBL;
    XtCallbackList	decrementCBL;
    XtCallbackList	pageIncrementCBL;
    XtCallbackList	pageDecrementCBL;
    XtCallbackList	toTopCBL;
    XtCallbackList	toBottomCBL;
    XtCallbackList	dragCBL;

    Pixel		foreground;

    Pixel		topShadowColor;
    Pixel		bottomShadowColor;

    Pixel		troughColor;

    Pixel		armColor;
    Pixel		armTopShadowColor;
    Pixel		armBottomShadowColor;

    Pixmap		topShadowPixmap;
    Pixmap		bottomShadowPixmap;

    int			shadowThickness;

    Boolean		showArrows;

    int			minimum;
    int			maximum;
    int			sliderSize;
    int			value;
    int			pageIncrement;
    int			increment;

    int			initialDelay;
    int			repeatDelay;

    unsigned char	orientation;

    char		*knobStyle;
    char		*arrowPosition;

    /* private */
    Pixmap		grayPixmap;

    GC			backgroundGC;
    GC			topShadowGC;
    GC			bottomShadowGC;

    int			above, ss, below;
    int			lastY;

    int			armed;

    int			savedValue;

    Boolean		fullRedrawNext;

    Boolean		timerActive;
    XtIntervalId	timerId;

} XlwScrollBarPart;

typedef struct _XlwScrollBarRec {
    CorePart          core;
    XlwScrollBarPart  sb;
} XlwScrollBarRec;

#endif