/* $XConsortium: NavigatorT.h /main/5 1995/07/15 20:53:08 drk $ */

/*

 * Motif

 *

 * Copyright (c) 1987-2012, The Open Group. All rights reserved.

 *

 * These libraries and programs are free software; you can

 * redistribute them and/or modify them under the terms of the GNU

 * Lesser General Public License as published by the Free Software

 * Foundation; either version 2 of the License, or (at your option)

 * any later version.

 *

 * These libraries and programs are distributed in the hope that

 * they will be useful, but WITHOUT ANY WARRANTY; without even the

 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR

 * PURPOSE. See the GNU Lesser General Public License for more

 * details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with these librararies and programs; if not, write

 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth

 * Floor, Boston, MA 02110-1301 USA

 */

/*

 * HISTORY

 */

#ifndef _XmNavigatorT_H

#define _XmNavigatorT_H

#include <Xm/Xm.h>

#ifdef __cplusplus

extern "C" {

#endif

externalref XrmQuark XmQTnavigator;

/* Trait structures and typedefs, place typedefs first */

/* this structure is equivalent to an XPoint but in int,

   not in Position, which are short */

typedef struct _TwoDInt {

    int x;

    int y;

} TwoDIntRec, *TwoDInt;

/* this one can be expanded in the future */

typedef struct _XmNavigatorDataRec {

    Mask valueMask ;

    Mask dimMask ;

    TwoDIntRec value;

    TwoDIntRec minimum;

    TwoDIntRec maximum;

    TwoDIntRec slider_size;

    TwoDIntRec increment;

    TwoDIntRec page_increment;

} XmNavigatorDataRec, *XmNavigatorData;

#define NavAllValid             (OxFFFF)

#define NavDimMask		(1L<<0)

#define NavValue  		(1L<<1)

#define NavMinimum              (1L<<2)

#define NavMaximum		(1L<<3)

#define NavSliderSize		(1L<<4)

#define NavIncrement            (1L<<5)

#define NavPageIncrement	(1L<<6)

typedef void (*XmNavigatorMoveCBProc)(Widget nav, 

				      XtCallbackProc moveCB,

				      XtPointer closure,

				      Boolean setunset);

typedef void (*XmNavigatorSetValueProc)(Widget nav, 

					XmNavigatorData nav_data,

					Boolean notify);

typedef void (*XmNavigatorGetValueProc)(Widget nav, 

					XmNavigatorData nav_data);

/* Version 0: initial release. */

typedef struct _XmNavigatorTraitRec {

  int			  version;		/* 0 */

  XmNavigatorMoveCBProc   changeMoveCB;

  XmNavigatorSetValueProc setValue;

  XmNavigatorGetValueProc getValue;

} XmNavigatorTraitRec, *XmNavigatorTrait;

#define NavigDimensionX			(1L<<0)  

#define NavigDimensionY			(1L<<1)  

/* convenience Macros */

#define ACCESS_DIM(mask,field) ((mask & NavigDimensionX)?(field.x):(field.y))

#define ASSIGN_DIM(mask,field,val)	\

  {					\

    if (mask & NavigDimensionX)		\

      (field.x)=(val);			\

    else				\

      (field.y)=(val);			\

  }

#ifdef __cplusplus

}  /* Close scope of 'extern "C"' declaration which encloses file. */

#endif

#endif /* _XmNavigatorT_H */