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

Copyright 1987, 1988, 1998  The Open Group

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Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, 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 name of Digital 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
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******************************************************************/

/*
 * Updated and significantly modified from the Athena VPaned Widget.
 *
 * Date:    March 1, 1989
 *
 * By:      Chris D. Peterson
 *          MIT X Consortium
 *          kit@expo.lcs.mit.edu
 */

#ifndef _XawPanedP_h
#define _XawPanedP_h

#include <X11/Xaw/Paned.h>

/* New fields for the Paned widget class record */
typedef struct _PanedClassPart {
    XtPointer extension;
} PanedClassPart;

/* Full Class record declaration */
typedef struct _PanedClassRec {
    CoreClassPart       core_class;
    CompositeClassPart  composite_class;
    ConstraintClassPart constraint_class;
    PanedClassPart      paned_class;
} PanedClassRec;

extern PanedClassRec panedClassRec;

/* Paned constraint record */
typedef struct _PanedConstraintsPart {
    /* Resources */
    Dimension	min;		/* Minimum height */
    Dimension	max;		/* Maximum height */
    Boolean	allow_resize;	/* True if child resize requests are ok */
    Boolean	show_grip;	/* True if child will have grip below it,
				   when it is not the bottom pane */
    Boolean skip_adjust;	/* True if child's height should not be
				   changed without explicit user action */
    int		position;	/* position location in Paned (relative to
				   other children) ** NIY ** */
    Dimension   preferred_size;	/* The Preferred size of the pane.
				   If this is zero then ask child for size*/
    Boolean     resize_to_pref;	/* resize this pane to its preferred size
				   on a resize or change managed after 
				   realize */

    /* Private state */
    Position	delta;		/* Desired Location */
    Position	olddelta;	/* The last value of dy */
    Boolean     paned_adjusted_me; /* Has the vpaned adjusted this widget w/o
				     user interaction to make things fit? */
    Dimension	wp_size;	/* widget's preferred size */ 
    int size;			/* the size the widget will actually get */
    Widget	grip;		/* The grip for this child */
} PanedConstraintsPart, *Pane;

typedef struct _PanedConstraintsRec {
    PanedConstraintsPart paned;
} PanedConstraintsRec, *PanedConstraints;

/*
 * The Pane Stack Structure
 */
typedef struct _PaneStack {
    struct _PaneStack *next;	/* The next element on the stack */
    Pane pane;			/* The pane in this element on the stack */
    int start_size;		/* The size of this element when it
				   was pushed onto the stack */
} PaneStack;

/* New Fields for the Paned widget record */
typedef struct {
    /* resources */
    Position    grip_indent;               /* Location of grips (offset	
					      from right margin) */
    Boolean     refiguremode;              /* Whether to refigure changes 
					      right now */
    XtTranslations grip_translations;      /* grip translation table */
    Pixel	internal_bp;		/* color of internal borders */
    Dimension	internal_bw;		/* internal border width */
    XtOrientation orientation;		/* Orientation of paned widget */

    Cursor	cursor;		           /* Cursor for paned window */
    Cursor	grip_cursor;               /* inactive grip cursor */
    Cursor	v_grip_cursor;             /* inactive vert grip cursor */
    Cursor	h_grip_cursor;             /* inactive horiz grip cursor */
    Cursor	adjust_this_cursor;        /* active grip cursor: T */
    Cursor	v_adjust_this_cursor;      /* active vert grip cursor: T */
    Cursor	h_adjust_this_cursor;      /* active horiz grip cursor: T */

    /* vertical */
    Cursor	adjust_upper_cursor;      /* active grip cursor: U */
    Cursor	adjust_lower_cursor;      /* active grip cursor: D */

    /* horizontal */
    Cursor	adjust_left_cursor;        /* active grip cursor: U */
    Cursor	adjust_right_cursor;       /* active grip cursor: D */

    /* private */
    Boolean	recursively_called;        /* for ChangeManaged */
    Boolean	resize_children_to_pref;   /* override constrain resources
					      and resize all children to
					   preferred size */
    int         start_loc;	           /* mouse origin when adjusting */
    Widget      whichadd;                  /* Which pane to add changes to */
    Widget      whichsub;                  /* Which pane to sub changes from */
    GC          normgc;                    /* GC to use when drawing borders */
    GC          invgc;                     /* GC to use when erasing borders */
    GC		flipgc;			   /* GC to use when animating borders */
    int		num_panes;                 /* count of managed panes */
    PaneStack	*stack;			   /* The pane stack for this widget */
#ifndef OLDXAW
    XtPointer pad[4];	/* for future use and keep binary compatability */
#endif
} PanedPart;

/*
 * Full instance record declaration
 */
typedef struct _PanedRec {
    CorePart	   core;
    CompositePart  composite;
    ConstraintPart constraint;
    PanedPart	   paned;
} PanedRec;

#endif /* _XawPanedP_h */