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diff --git a/vendor/x11iraf/obm/ObmW/LayoutP.h b/vendor/x11iraf/obm/ObmW/LayoutP.h
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+/*
+ * $XConsortium: LayoutP.h,v 1.2 92/01/22 18:03:08 keith Exp $
+ *
+ * Copyright 1991 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, 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 M.I.T. not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  M.I.T. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
+ * 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.
+ *
+ * Author:  Keith Packard, MIT X Consortium
+ */
+
+#ifndef _XawLayoutP_h
+#define _XawLayoutP_h
+
+#include "Layout.h"
+#include <X11/ConstrainP.h>
+
+#define GlueEqual(a,b)	((a).order == (b).order && (a).value == (b).value)
+
+#define AddGlue(r,a,b)	if (a.order == b.order) { \
+			    r.order = a.order; \
+			    r.value = a.value + b.value; \
+			} else { \
+			    if (a.order > b.order) \
+				r = a; \
+			    else \
+				r = b; \
+			}
+
+#define MinGlue(r,a,b)	if (a.order == b.order) { \
+			    r.order = a.order; \
+			    if (a.value > b.value) \
+				r.value = b.value; \
+			    else \
+				r.value = a.value; \
+			} else { \
+			    if (a.order > b.order) \
+				r = b; \
+			    else \
+				r = a; \
+			}
+
+#define SubGlue(r,a,b)	if (a.order == b.order) { \
+			    r.order = a.order; \
+			    r.value = a.value - b.value; \
+			} else { \
+			    if (a.order > b.order) \
+				r = a; \
+			    else { \
+				r.order = b.order; \
+				r.value = -b.value; \
+			    } \
+			}
+
+#define ZeroGlue(g)	((g).value = 0, (g).order = 0, (g).expr = 0)
+#define IsZeroGlue(g)	((g).value == 0)
+
+#define QuarkToWidget(l,q)  XtNameToWidget((Widget) l, \
+					   (char *) XrmQuarkToString(q));
+					   
+typedef enum _BoxType { BoxBox, WidgetBox, GlueBox, VariableBox } BoxType;
+    
+typedef enum _LayoutDirection {
+    LayoutHorizontal = 0, LayoutVertical = 1
+} LayoutDirection;
+
+typedef enum _Operator {
+    Plus, Minus, Times, Divide, Percent
+} Operator;
+
+typedef enum _ExprType {
+    Constant,
+    Binary,
+    Unary,
+    Width,
+    Height,
+    Variable
+} ExprType;
+
+typedef struct _Expr *ExprPtr;
+
+typedef struct _Expr {
+    ExprType	type;
+    union {
+	double	    constant;
+	struct {
+	    Operator	op;
+	    ExprPtr	left, right;
+	} binary;
+	struct {
+	    Operator    op;
+	    ExprPtr	down;
+	} unary;
+	XrmQuark    width;
+	XrmQuark    height;
+	XrmQuark    variable;
+    } u;
+} ExprRec;
+
+typedef struct _Glue {
+    int		order;
+    double	value;
+    ExprPtr	expr;
+} GlueRec, *GluePtr;
+
+typedef struct _BoxParams {
+    GlueRec stretch[2];
+    GlueRec shrink[2];
+} BoxParamsRec, *BoxParamsPtr;
+
+typedef struct _Box *BoxPtr;
+
+typedef BoxPtr	LayoutPtr;
+
+typedef struct _Box {
+    BoxPtr	    nextSibling;
+    BoxPtr	    parent;
+    BoxParamsRec    params;
+    int		    size[2];
+    int		    natural[2];
+    BoxType	    type;
+    union {
+	struct {
+	    BoxPtr	    firstChild;
+	    LayoutDirection dir;
+	} box;
+	struct {
+	    XrmQuark	    quark;
+	    Widget	    widget;
+	} widget;
+	struct {
+	    ExprPtr	    expr;
+	} glue;
+	struct {
+	    XrmQuark	    quark;
+	    ExprPtr	    expr;
+	} variable;
+    } u;
+} LBoxRec; /* this conflicted with Box's BoxRec, besides, it's not used anywhere */
+
+typedef struct _SubInfo {
+    int	    naturalSize[2];
+    int	    naturalBw;
+} SubInfoRec, *SubInfoPtr;
+
+#define New(t) (t *) XtCalloc(1,sizeof (t))
+#define Dispose(p)  XtFree((char *) p)
+#define Some(t,n)   (t*) XtCalloc(1,sizeof(t) * n)
+#define More(p,t,n) ((p)? (t *) XtRealloc((char *) p, sizeof(t)*n):Some(t,n)
+
+/*********************************************************************
+ *
+ * Layout Widget Private Data
+ *
+ *********************************************************************/
+
+/* New fields for the Layout widget class record */
+
+typedef struct _LayoutClassPart {
+    int foo;			/* keep compiler happy. */
+} LayoutClassPart;
+
+/* Full Class record declaration */
+typedef struct _LayoutClassRec {
+    CoreClassPart       core_class;
+    CompositeClassPart  composite_class;
+    ConstraintClassPart constraint_class;
+    LayoutClassPart     layout_class;
+} LayoutClassRec;
+
+extern LayoutClassRec layoutClassRec;
+
+typedef struct _LayoutConstraintsRec {
+    SubInfoRec	layout;
+} LayoutConstraintsRec, *LayoutConstraints;
+
+#define SubInfo(w)  (&(((LayoutConstraints) (w)->core.constraints)->layout))
+
+/* New Fields for the Layout widget record */
+
+typedef struct {
+    /* resources */
+    LayoutPtr	layout;
+    Boolean	debug;
+} LayoutPart;
+
+/**************************************************************************
+ *
+ * Full instance record declaration
+ *
+ **************************************************************************/
+
+typedef struct _LayoutRec {
+    CorePart       core;
+    CompositePart  composite;
+    ConstraintPart constraint;
+    LayoutPart     layout;
+} LayoutRec;
+#endif