749N/A/* $XConsortium: FormP.h,v 1.22 94/04/17 20:12:09 kaleb Exp $ */
749N/A
749N/A/***********************************************************
749N/A
749N/ACopyright (c) 1987, 1988, 1994 X Consortium
749N/A
749N/APermission is hereby granted, free of charge, to any person obtaining a copy
749N/Aof this software and associated documentation files (the "Software"), to deal
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749N/Acopies of the Software, and to permit persons to whom the Software is
749N/Afurnished to do so, subject to the following conditions:
749N/A
749N/AThe above copyright notice and this permission notice shall be included in
749N/Aall copies or substantial portions of the Software.
749N/A
749N/ATHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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749N/AExcept as contained in this notice, the name of the X Consortium shall not be
749N/Aused in advertising or otherwise to promote the sale, use or other dealings
749N/Ain this Software without prior written authorization from the X Consortium.
749N/A
749N/A
749N/ACopyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
749N/A
749N/A All Rights Reserved
749N/A
749N/APermission to use, copy, modify, and distribute this software and its
749N/Adocumentation for any purpose and without fee is hereby granted,
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749N/A
749N/ADIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
749N/AALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
749N/ADIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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749N/AWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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749N/A
749N/A******************************************************************/
749N/A
749N/A/* Form widget private definitions */
749N/A
749N/A#ifndef _XawFormP_h
749N/A#define _XawFormP_h
749N/A
749N/A#include <X11/Xaw/Form.h>
749N/A
749N/A#define XtREdgeType "EdgeType"
749N/A
749N/Atypedef enum {LayoutPending, LayoutInProgress, LayoutDone} LayoutState;
749N/A#define XtInheritLayout ((Boolean (*)())_XtInherit)
749N/A
749N/Atypedef struct {
749N/A Boolean (*layout)(/* FormWidget, Dimension, Dimension */);
749N/A} FormClassPart;
749N/A
749N/A/*
749N/A * Layout(
749N/A * FormWidget w - the widget whose children are to be configured
749N/A * Dimension w, h - bounding box of layout to be calculated
749N/A *
749N/A * Stores preferred geometry in w->form.preferred_{width,height}.
749N/A * If w->form.resize_in_layout is True, then a geometry request
749N/A * may be made for the preferred bounding box if necessary.
749N/A *
749N/A * Returns True if a geometry request was granted, False otherwise.
749N/A */
749N/A
749N/Atypedef struct _FormClassRec {
749N/A CoreClassPart core_class;
749N/A CompositeClassPart composite_class;
749N/A ConstraintClassPart constraint_class;
749N/A FormClassPart form_class;
749N/A} FormClassRec;
749N/A
749N/Aextern FormClassRec formClassRec;
749N/A
749N/Atypedef struct _FormPart {
749N/A /* resources */
749N/A int default_spacing; /* default distance between children */
749N/A /* private state */
749N/A Dimension old_width, old_height; /* last known dimensions */
749N/A int no_refigure; /* no re-layout while > 0 */
749N/A Boolean needs_relayout; /* next time no_refigure == 0 */
749N/A Boolean resize_in_layout; /* should layout() do geom request? */
749N/A Dimension preferred_width, preferred_height; /* cached from layout */
749N/A Boolean resize_is_no_op; /* Causes resize to take not action. */
749N/A} FormPart;
749N/A
749N/Atypedef struct _FormRec {
749N/A CorePart core;
749N/A CompositePart composite;
749N/A ConstraintPart constraint;
749N/A FormPart form;
749N/A} FormRec;
749N/A
749N/Atypedef struct _FormConstraintsPart {
749N/A/*
749N/A * Constraint Resources.
749N/A */
749N/A XtEdgeType top, bottom, /* where to drag edge on resize */
749N/A left, right;
749N/A int dx; /* desired horiz offset */
749N/A int dy; /* desired vertical offset */
749N/A Widget horiz_base; /* measure dx from here if non-null */
749N/A Widget vert_base; /* measure dy from here if non-null */
749N/A Boolean allow_resize; /* TRUE if child may request resize */
749N/A
749N/A/*
749N/A * Private contstraint resources.
749N/A */
749N/A
749N/A/*
749N/A * What the size of this child would be if we did not impose the
749N/A * constraint the width and height must be greater than zero (0).
749N/A */
749N/A short virtual_width, virtual_height;
749N/A
749N/A/*
749N/A * Temporary Storage for children's new possible possition.
749N/A */
749N/A
749N/A Position new_x, new_y;
749N/A
749N/A LayoutState layout_state; /* temporary layout state */
749N/A Boolean deferred_resize; /* was resized while no_refigure is set */
749N/A} FormConstraintsPart;
749N/A
749N/Atypedef struct _FormConstraintsRec {
749N/A FormConstraintsPart form;
749N/A} FormConstraintsRec, *FormConstraints;
749N/A
749N/A#endif /* _XawFormP_h */