/usr/include/X11/Xaw3dxft/LayoutP.h is in xpaint-dev 2.9.1.4-3.1.
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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
#if defined(LAYOUT)
# include "Layout.h"
#else
# include <X11/Xaw3d/Layout.h>
#endif
#include <X11/ConstrainP.h>
#ifdef MOTIF
# include "Xm/ManagerP.h"
#endif
#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 *) malloc(sizeof (t)) */
#define New(t) (t *) XtCalloc(1,sizeof (t))
#define Dispose(p) XtFree((char *) p)
#define Some(t,n) (t*) XtMalloc(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;
#ifdef MOTIF
XmManagerClassPart manager_class;
#endif
LayoutClassPart layout_class;
} LayoutClassRec;
extern LayoutClassRec layoutClassRec;
typedef struct _LayoutConstraintsRec {
#ifdef MOTIF
XmManagerConstraintPart manager;
#endif
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;
#ifdef MOTIF
XmManagerPart manager;
#endif
LayoutPart layout;
} LayoutRec;
#endif
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