sync code with last improvements from OpenBSD

lib/libXaw/include/X11/Xaw/ViewportP.h

@@ -0,0 +1,107 @@
+/*
+ * Private declarations for ViewportWidgetClass
+ */
+
+/************************************************************
+
+Copyright 1987, 1998  The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+********************************************************/
+
+#ifndef _ViewportP_h
+#define _ViewportP_h
+
+#include <X11/Xaw/Viewport.h>
+#include <X11/Xaw/FormP.h>
+
+typedef struct {
+    XtPointer extension;
+} ViewportClassPart;
+
+typedef struct _ViewportClassRec {
+    CoreClassPart	core_class;
+    CompositeClassPart	composite_class;
+    ConstraintClassPart	constraint_class;
+    FormClassPart	form_class;
+    ViewportClassPart	viewport_class;
+} ViewportClassRec;
+
+extern ViewportClassRec viewportClassRec;
+
+typedef struct _ViewportPart {
+    /* resources */
+    Boolean forcebars;		/* Whether we should always display
+				   the selected scrollbars */
+    Boolean allowhoriz;		/* Whether we allow horizontal scrollbars */
+    Boolean allowvert;		/* Whether we allow vertical scrollbars */
+    Boolean usebottom;		/* True if horiz bars appear at bottom */
+    Boolean useright;		/* True if vert bars appear at right */
+    XtCallbackList report_callbacks;/* when size/position changes */
+
+    /* private */
+    Widget clip, child;		/* The clipping and (scrolled) child widgets */
+    Widget horiz_bar, vert_bar;	/* What scrollbars we currently have */
+#ifndef OLDXAW
+    XtPointer pad[4];	/* for future use and keep binary compatibility */
+#endif
+} ViewportPart;
+
+typedef struct _ViewportRec {
+    CorePart		core;
+    CompositePart	composite;
+    ConstraintPart	constraint;
+    FormPart		form;
+    ViewportPart	viewport;
+} ViewportRec;
+
+typedef struct {
+    Bool reparented;		/* True if child has been re-parented */
+} ViewportConstraintsPart;
+
+typedef struct _ViewportConstraintsRec {
+    FormConstraintsPart		form;
+    ViewportConstraintsPart	viewport;
+} ViewportConstraintsRec, *ViewportConstraints;
+
+#endif /* _ViewportP_h */