ViewportP.h revision 994689c1 
1/*
2 * Private declarations for ViewportWidgetClass
3 */
4
5/************************************************************
6
7Copyright 1987, 1998  The Open Group
8
9Permission to use, copy, modify, distribute, and sell this software and its
10documentation for any purpose is hereby granted without fee, provided that
11the above copyright notice appear in all copies and that both that
12copyright notice and this permission notice appear in supporting
13documentation.
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
21OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of The Open Group shall not be
26used in advertising or otherwise to promote the sale, use or other dealings
27in this Software without prior written authorization from The Open Group.
28
29
30Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
31
32                        All Rights Reserved
33
34Permission to use, copy, modify, and distribute this software and its
35documentation for any purpose and without fee is hereby granted,
36provided that the above copyright notice appear in all copies and that
37both that copyright notice and this permission notice appear in
38supporting documentation, and that the name of Digital not be
39used in advertising or publicity pertaining to distribution of the
40software without specific, written prior permission.
41
42DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
43ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
44DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
45ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
46WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
47ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
48SOFTWARE.
49
50********************************************************/
51
52#ifndef _ViewportP_h
53#define _ViewportP_h
54
55#include <X11/Xaw/Viewport.h>
56#include <X11/Xaw/FormP.h>
57
58typedef struct {
59    XtPointer extension;
60} ViewportClassPart;
61
62typedef struct _ViewportClassRec {
63    CoreClassPart	core_class;
64    CompositeClassPart	composite_class;
65    ConstraintClassPart	constraint_class;
66    FormClassPart	form_class;
67    ViewportClassPart	viewport_class;
68} ViewportClassRec;
69
70extern ViewportClassRec viewportClassRec;
71
72typedef struct _ViewportPart {
73    /* resources */
74    Boolean forcebars;		/* Whether we should always display
75				   the selected scrollbars */
76    Boolean allowhoriz;		/* Whether we allow horizontal scrollbars */
77    Boolean allowvert;		/* Whether we allow vertical scrollbars */
78    Boolean usebottom;		/* True if horiz bars appear at bottom */
79    Boolean useright;		/* True if vert bars appear at right */
80    XtCallbackList report_callbacks;/* when size/position changes */
81
82    /* private */
83    Widget clip, child;		/* The clipping and (scrolled) child widgets */
84    Widget horiz_bar, vert_bar;	/* What scrollbars we currently have */
85#ifndef OLDXAW
86    XtPointer pad[4];	/* for future use and keep binary compatability */
87#endif
88} ViewportPart;
89
90typedef struct _ViewportRec {
91    CorePart		core;
92    CompositePart	composite;
93    ConstraintPart	constraint;
94    FormPart		form;
95    ViewportPart	viewport;
96} ViewportRec;
97
98typedef struct {
99    Bool reparented;		/* True if child has been re-parented */
100} ViewportConstraintsPart;
101
102typedef struct _ViewportConstraintsRec {
103    FormConstraintsPart		form;
104    ViewportConstraintsPart	viewport;
105} ViewportConstraintsRec, *ViewportConstraints;
106
107#endif /* _ViewportP_h */
108