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/* 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 GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Created by Douglas Keller <dkeller@vnet.ibm.com> */
/* Last changed 02/05/95 */

#ifndef _XlwScrollbar_h
#define _XlwScrollbar_h

#include <X11/Core.h>

/* Motif-compatible resource names */
#ifndef _XmStrDefs_h_

#define XmNbackground            "background"
#define XmNbottomShadowColor     "bottomShadowColor"
#define XmNbottomShadowPixmap    "bottomShadowPixmap"
#define XmNforeground            "foreground"
#define XmNincrement             "increment"
#define XmNinitialDelay          "initialDelay"
#define XmNmaximum               "maximum"
#define XmNminimum               "minimum"
#define XmNpageIncrement         "pageIncrement"
#define XmNrepeatDelay           "repeatDelay"
#define XmNshadowThickness       "shadowThickness"
#define XmNborderWidth           "borderWidth"
#define XmNshowArrows            "showArrows"
#define XmNsliderSize            "sliderSize"
#define XmNtopShadowColor        "topShadowColor"
#define XmNtopShadowPixmap       "topShadowPixmap"
#define XmNtroughColor           "troughColor"
#define XmNvalue                 "value"
#define XmNvalueChangedCallback  "valueChangedCallback"
#define XmNincrementCallback     "incrementCallback"
#define XmNdecrementCallback     "decrementCallback"
#define XmNpageIncrementCallback "pageIncrementCallback"
#define XmNpageDecrementCallback "pageDecrementCallback"
#define XmNtoTopCallback         "toTopCallback"
#define XmNtoBottomCallback      "toBottomCallback"
#define XmNdragCallback          "dragCallback"
#define XmNorientation           "orientation"

#define XmCBackground            "Background"
#define XmCBottomShadowColor     "BottomShadowColor"
#define XmCBottomShadowPixmap    "BottomShadowPixmap"
#define XmCTopShadowPixmap       "TopShadowPixmap"
#define XmCForeground            "Foreground"
#define XmCIncrement             "Increment"
#define XmCInitialDelay          "InitialDelay"
#define XmCMaximum               "Maximum"
#define XmCMinimum               "Minimum"
#define XmCPageIncrement         "PageIncrement"
#define XmCRepeatDelay           "RepeatDelay"
#define XmCShadowThickness       "ShadowThickness"
#define XmCBorderWidth           "BorderWidth"
#define XmCShowArrows            "ShowArrows"
#define XmCSliderSize            "SliderSize"
#define XmCTopShadowColor        "TopShadowColor"
#define XmCTroughColor           "TroughColor"
#define XmCValue                 "Value"
#define XmCValueChangedCallback  "ValueChangedCallback"
#define XmCIncrementCallback     "IncrementCallback"
#define XmCDecrementCallback     "DecrementCallback"
#define XmCPageIncrementCallback "PageIncrementCallback"
#define XmCPageDecrementCallback "PageDecrementCallback"
#define XmCToTopCallback         "ToTopCallback"
#define XmCToBottomCallback      "ToBottomCallback"
#define XmCDragCallback          "DragCallback"
#define XmCOrientation           "Orientation"

#endif /* _XmStrDefs_h_ */

/* New resouces that Motif does not have, maybe we should use a different prefix. */
#define XmNknobStyle             "knobStyle"
#define XmCKnobStyle             "KnobStyle"

#define XmNarrowPosition         "arrowPosition"
#define XmCArrowPosition         "ArrowPosition"

#ifndef _Xm_h

enum {
    XmCR_NONE,
    XmCR_VALUE_CHANGED = 2,
    XmCR_INCREMENT,
    XmCR_DECREMENT,
    XmCR_PAGE_INCREMENT,
    XmCR_PAGE_DECREMENT,
    XmCR_TO_TOP,
    XmCR_TO_BOTTOM,
    XmCR_DRAG
};

enum {
    XmNO_ORIENTATION,
    XmVERTICAL,
    XmHORIZONTAL
};

#endif /* _Xm_h */

extern WidgetClass xlwScrollBarWidgetClass;

typedef struct _XlwScrollBarClassRec *XlwScrollBarWidgetClass;
typedef struct _XlwScrollBarRec      *XlwScrollBarWidget;

typedef struct
{
   int reason;
   XEvent * event;
   int value;
   int pixel;
} XlwScrollBarCallbackStruct;

void XlwScrollBarGetValues(Widget widget, int *value, int *sliderSize,
			   int *increment, int *pageIncrement);

void XlwScrollBarSetValues(Widget widget, int value, int sliderSize,
			   int increment, int pageIncrement, Boolean notify);


#endif

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