/****************************************************************************
- * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
-/* $Id: form.h,v 0.26 2016/10/29 22:24:24 Leon.Winter Exp $ */
+/* $Id: form.h,v 0.28 2018/04/14 21:06:21 Leon.Winter Exp $ */
#ifndef FORM_H
#define FORM_H
* _PAGE *
**********/
-typedef struct {
+typedef struct pagenode
+#if !NCURSES_OPAQUE_FORM
+{
short pmin; /* index of first field on page */
short pmax; /* index of last field on page */
short smin; /* index of top leftmost field on page */
short smax; /* index of bottom rightmost field on page */
-} _PAGE;
+}
+#endif /* !NCURSES_OPAQUE_FORM */
+_PAGE;
/**********
* FIELD *
**********/
-typedef struct fieldnode {
+typedef struct fieldnode
+#if 1 /* not yet: !NCURSES_OPAQUE_FORM */
+{
unsigned short status; /* flags */
short rows; /* size in rows */
short cols; /* size in cols */
/*
* The wide-character configuration requires extra information. Because
* there are existing applications that manipulate the members of FIELD
- * directly, we cannot make the struct opaque. Offsets of members up to
- * this point are the same in the narrow- and wide-character configuration.
- * But note that the type of buf depends on the configuration, and is made
- * opaque for that reason.
+ * directly, we cannot make the struct opaque, except by changing the ABI.
+ * Offsets of members up to this point are the same in the narrow- and
+ * wide-character configuration. But note that the type of buf depends on
+ * the configuration, and is made opaque for that reason.
*/
NCURSES_FIELD_INTERNALS
-} FIELD;
+}
+#endif /* NCURSES_OPAQUE_FORM */
+FIELD;
/*********
* FORM *
*********/
-typedef struct formnode {
+typedef struct formnode
+#if 1 /* not yet: !NCURSES_OPAQUE_FORM */
+{
unsigned short status; /* flags */
short rows; /* size in rows */
short cols; /* size in cols */
void (*fieldinit)(struct formnode *);
void (*fieldterm)(struct formnode *);
-} FORM;
+}
+#endif /* !NCURSES_OPAQUE_FORM */
+FORM;
/**************
* FIELDTYPE *
**************/
-typedef struct typenode {
+typedef struct typenode
+#if !NCURSES_OPAQUE_FORM
+{
unsigned short status; /* flags */
long ref; /* reference count */
struct typenode * left; /* ptr to operand for | */
bool (*next)(FIELD *,const void *); /* enumerate next value */
bool (*prev)(FIELD *,const void *); /* enumerate prev value */
#endif
-} FIELDTYPE;
+}
+#endif /* !NCURSES_OPAQUE_FORM */
+FIELDTYPE;
typedef void (*Form_Hook)(FORM *);
#define O_STATIC (0x0200U)
#define O_DYNAMIC_JUSTIFY (0x0400U) /* ncurses extension */
#define O_NO_LEFT_STRIP (0x0800U) /* ncurses extension */
+#define O_EDGE_INSERT_STAY (0x1000U) /* ncurses extension */
/* form options */
#define O_NL_OVERLOAD (0x0001U)