Xaw3_1FormP.h revision 749
749N/A/* $XConsortium: FormP.h,v 1.17 89/07/21 01:51:27 kit Exp $ */
749N/A/* Copyright Massachusetts Institute of Technology 1987 */
749N/A
749N/A
749N/A/***********************************************************
749N/ACopyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
749N/Aand the Massachusetts Institute of Technology, Cambridge, 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,
749N/Aprovided that the above copyright notice appear in all copies and that
749N/Aboth that copyright notice and this permission notice appear in
749N/Asupporting documentation, and that the names of Digital or MIT not be
749N/Aused in advertising or publicity pertaining to distribution of the
749N/Asoftware without specific, written prior permission.
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
749N/AANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
749N/AWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
749N/AARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
749N/ASOFTWARE.
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 <./Xaw3_1Form.h>
749N/A#include <X11/ConstrainP.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} 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 int virtual_width, virtual_height;
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
749N/A LayoutState layout_state; /* temporary layout state */
749N/A} FormConstraintsPart;
749N/A
749N/Atypedef struct _FormConstraintsRec {
749N/A FormConstraintsPart form;
749N/A} FormConstraintsRec, *FormConstraints;
749N/A
749N/A#endif /* _XawFormP_h */