/****************************************************************************
- * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2004,2009 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 0.17 2003/11/08 20:39:08 tom Exp $ */
+/* $Id: form.h,v 0.21 2009/11/07 19:31:11 tom Exp $ */
#ifndef FORM_H
#define FORM_H
extern "C" {
#endif
+#ifndef FORM_PRIV_H
+typedef void *FIELD_CELL;
+#endif
+
+#ifndef NCURSES_FIELD_INTERNALS
+#define NCURSES_FIELD_INTERNALS /* nothing */
+#endif
+
typedef int Form_Options;
typedef int Field_Options;
**********/
typedef struct {
- 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 */
+ 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;
/**********
**********/
typedef struct fieldnode {
- unsigned short status; /* flags */
- short rows; /* size in rows */
- short cols; /* size in cols */
- short frow; /* first row */
- short fcol; /* first col */
- int drows; /* dynamic rows */
- int dcols; /* dynamic cols */
- int maxgrow; /* maximum field growth */
- int nrow; /* off-screen rows */
- short nbuf; /* additional buffers */
- short just; /* justification */
- short page; /* page on form */
- short index; /* into form -> field */
- int pad; /* pad character */
- chtype fore; /* foreground attribute */
- chtype back; /* background attribute */
- Field_Options opts; /* options */
- struct fieldnode * snext; /* sorted order pointer */
- struct fieldnode * sprev; /* sorted order pointer */
- struct fieldnode * link; /* linked field chain */
- struct formnode * form; /* containing form */
- struct typenode * type; /* field type */
- void * arg; /* argument for type */
- char * buf; /* field buffers */
- void * usrptr; /* user pointer */
+ unsigned short status; /* flags */
+ short rows; /* size in rows */
+ short cols; /* size in cols */
+ short frow; /* first row */
+ short fcol; /* first col */
+ int drows; /* dynamic rows */
+ int dcols; /* dynamic cols */
+ int maxgrow; /* maximum field growth */
+ int nrow; /* off-screen rows */
+ short nbuf; /* additional buffers */
+ short just; /* justification */
+ short page; /* page on form */
+ short index; /* into form -> field */
+ int pad; /* pad character */
+ chtype fore; /* foreground attribute */
+ chtype back; /* background attribute */
+ Field_Options opts; /* options */
+ struct fieldnode * snext; /* sorted order pointer */
+ struct fieldnode * sprev; /* sorted order pointer */
+ struct fieldnode * link; /* linked field chain */
+ struct formnode * form; /* containing form */
+ struct typenode * type; /* field type */
+ void * arg; /* argument for type */
+ FIELD_CELL * buf; /* field buffers */
+ void * usrptr; /* user pointer */
+ /*
+ * 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.
+ */
+ NCURSES_FIELD_INTERNALS
} FIELD;
- /**************
- * FIELDTYPE *
- **************/
-
-typedef struct typenode {
- unsigned short status; /* flags */
- long ref; /* reference count */
- struct typenode * left; /* ptr to operand for | */
- struct typenode * right; /* ptr to operand for | */
-
- void* (*makearg)(va_list *); /* make fieldtype arg */
- void* (*copyarg)(const void *); /* copy fieldtype arg */
- void (*freearg)(void *); /* free fieldtype arg */
-
- bool (*fcheck)(FIELD *,const void *); /* field validation */
- bool (*ccheck)(int,const void *); /* character validation */
-
- bool (*next)(FIELD *,const void *); /* enumerate next value */
- bool (*prev)(FIELD *,const void *); /* enumerate prev value */
-
-} FIELDTYPE;
/*********
* FORM *
*********/
typedef struct formnode {
- unsigned short status; /* flags */
- short rows; /* size in rows */
- short cols; /* size in cols */
- int currow; /* current row in field window*/
- int curcol; /* current col in field window*/
- int toprow; /* in scrollable field window */
- int begincol; /* in horiz. scrollable field */
- short maxfield; /* number of fields */
- short maxpage; /* number of pages */
- short curpage; /* index into page */
- Form_Options opts; /* options */
- WINDOW * win; /* window */
- WINDOW * sub; /* subwindow */
- WINDOW * w; /* window for current field */
- FIELD ** field; /* field [maxfield] */
- FIELD * current; /* current field */
- _PAGE * page; /* page [maxpage] */
- void * usrptr; /* user pointer */
-
- void (*forminit)(struct formnode *);
- void (*formterm)(struct formnode *);
- void (*fieldinit)(struct formnode *);
- void (*fieldterm)(struct formnode *);
+ unsigned short status; /* flags */
+ short rows; /* size in rows */
+ short cols; /* size in cols */
+ int currow; /* current row in field window */
+ int curcol; /* current col in field window */
+ int toprow; /* in scrollable field window */
+ int begincol; /* in horiz. scrollable field */
+ short maxfield; /* number of fields */
+ short maxpage; /* number of pages */
+ short curpage; /* index into page */
+ Form_Options opts; /* options */
+ WINDOW * win; /* window */
+ WINDOW * sub; /* subwindow */
+ WINDOW * w; /* window for current field */
+ FIELD ** field; /* field [maxfield] */
+ FIELD * current; /* current field */
+ _PAGE * page; /* page [maxpage] */
+ void * usrptr; /* user pointer */
+
+ void (*forminit)(struct formnode *);
+ void (*formterm)(struct formnode *);
+ void (*fieldinit)(struct formnode *);
+ void (*fieldterm)(struct formnode *);
} FORM;
+
+ /**************
+ * FIELDTYPE *
+ **************/
+
+typedef struct typenode {
+ unsigned short status; /* flags */
+ long ref; /* reference count */
+ struct typenode * left; /* ptr to operand for | */
+ struct typenode * right; /* ptr to operand for | */
+
+ void* (*makearg)(va_list *); /* make fieldtype arg */
+ void* (*copyarg)(const void *); /* copy fieldtype arg */
+ void (*freearg)(void *); /* free fieldtype arg */
+
+#if NCURSES_INTEROP_FUNCS
+ union {
+ bool (*ofcheck)(FIELD *,const void *); /* field validation */
+ bool (*gfcheck)(FORM*,FIELD *,const void*); /* generic field validation */
+ } fieldcheck;
+ union {
+ bool (*occheck)(int,const void *); /* character validation */
+ bool (*gccheck)(int,FORM*,
+ FIELD*,const void*); /* generic char validation */
+ } charcheck;
+ union {
+ bool (*onext)(FIELD *,const void *); /* enumerate next value */
+ bool (*gnext)(FORM*,FIELD*,const void*); /* generic enumerate next */
+ } enum_next;
+ union {
+ bool (*oprev)(FIELD *,const void *); /* enumerate prev value */
+ bool (*gprev)(FORM*,FIELD*,const void*); /* generic enumerate prev */
+ } enum_prev;
+ void* (*genericarg)(void*); /* Alternate Arg method */
+#else
+ bool (*fcheck)(FIELD *,const void *); /* field validation */
+ bool (*ccheck)(int,const void *); /* character validation */
+
+ bool (*next)(FIELD *,const void *); /* enumerate next value */
+ bool (*prev)(FIELD *,const void *); /* enumerate prev value */
+#endif
+} FIELDTYPE;
+
typedef void (*Form_Hook)(FORM *);
/***************************
#define JUSTIFY_RIGHT (3)
/* field options */
-#define O_VISIBLE (0x0001)
-#define O_ACTIVE (0x0002)
-#define O_PUBLIC (0x0004)
-#define O_EDIT (0x0008)
-#define O_WRAP (0x0010)
-#define O_BLANK (0x0020)
-#define O_AUTOSKIP (0x0040)
-#define O_NULLOK (0x0080)
-#define O_PASSOK (0x0100)
-#define O_STATIC (0x0200)
+#define O_VISIBLE (0x0001U)
+#define O_ACTIVE (0x0002U)
+#define O_PUBLIC (0x0004U)
+#define O_EDIT (0x0008U)
+#define O_WRAP (0x0010U)
+#define O_BLANK (0x0020U)
+#define O_AUTOSKIP (0x0040U)
+#define O_NULLOK (0x0080U)
+#define O_PASSOK (0x0100U)
+#define O_STATIC (0x0200U)
/* form options */
-#define O_NL_OVERLOAD (0x0001)
-#define O_BS_OVERLOAD (0x0002)
+#define O_NL_OVERLOAD (0x0001U)
+#define O_BS_OVERLOAD (0x0002U)
/* form driver commands */
#define REQ_NEXT_PAGE (KEY_MAX + 1) /* move to next page */
#define REQ_SCR_BLINE (KEY_MAX + 44) /* scroll field backward a line */
#define REQ_SCR_FPAGE (KEY_MAX + 45) /* scroll field forward a page */
#define REQ_SCR_BPAGE (KEY_MAX + 46) /* scroll field backward a page */
-#define REQ_SCR_FHPAGE (KEY_MAX + 47) /* scroll field forward half page */
-#define REQ_SCR_BHPAGE (KEY_MAX + 48) /* scroll field backward half page */
-#define REQ_SCR_FCHAR (KEY_MAX + 49) /* horizontal scroll char */
-#define REQ_SCR_BCHAR (KEY_MAX + 50) /* horizontal scroll char */
-#define REQ_SCR_HFLINE (KEY_MAX + 51) /* horizontal scroll line */
-#define REQ_SCR_HBLINE (KEY_MAX + 52) /* horizontal scroll line */
-#define REQ_SCR_HFHALF (KEY_MAX + 53) /* horizontal scroll half line */
-#define REQ_SCR_HBHALF (KEY_MAX + 54) /* horizontal scroll half line */
+#define REQ_SCR_FHPAGE (KEY_MAX + 47) /* scroll field forward half page */
+#define REQ_SCR_BHPAGE (KEY_MAX + 48) /* scroll field backward half page */
+#define REQ_SCR_FCHAR (KEY_MAX + 49) /* horizontal scroll char */
+#define REQ_SCR_BCHAR (KEY_MAX + 50) /* horizontal scroll char */
+#define REQ_SCR_HFLINE (KEY_MAX + 51) /* horizontal scroll line */
+#define REQ_SCR_HBLINE (KEY_MAX + 52) /* horizontal scroll line */
+#define REQ_SCR_HFHALF (KEY_MAX + 53) /* horizontal scroll half line */
+#define REQ_SCR_HBHALF (KEY_MAX + 54) /* horizontal scroll half line */
#define REQ_VALIDATION (KEY_MAX + 55) /* validate field */
#define REQ_NEXT_CHOICE (KEY_MAX + 56) /* display next field choice */
extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_NUMERIC;
extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_REGEXP;
- /************************************
+ /************************************
* built-in additional field types *
- * They are not defined in SVr4 *
+ * They are not defined in SVr4 *
************************************/
extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_IPV4; /* Internet IP Version 4 address */
- /***********************
- * Default objects *
- ***********************/
-extern NCURSES_EXPORT_VAR(FORM *) _nc_Default_Form;
-extern NCURSES_EXPORT_VAR(FIELD *) _nc_Default_Field;
-
-
/***********************
* FIELDTYPE routines *
***********************/
extern NCURSES_EXPORT(FIELDTYPE *) new_fieldtype (
bool (* const field_check)(FIELD *,const void *),
- bool (* const char_check)(int,const void *)),
- *link_fieldtype(FIELDTYPE *,FIELDTYPE *);
+ bool (* const char_check)(int,const void *));
+extern NCURSES_EXPORT(FIELDTYPE *) link_fieldtype(
+ FIELDTYPE *, FIELDTYPE *);
extern NCURSES_EXPORT(int) free_fieldtype (FIELDTYPE *);
extern NCURSES_EXPORT(int) set_fieldtype_arg (FIELDTYPE *,
extern NCURSES_EXPORT(char *) field_buffer (const FIELD *,int);
-extern NCURSES_EXPORT(Field_Options) field_opts (const FIELD *);
+extern NCURSES_EXPORT(Field_Options) field_opts (const FIELD *);
/******************
* FORM routines *
extern NCURSES_EXPORT(bool) data_ahead (const FORM *);
extern NCURSES_EXPORT(bool) data_behind (const FORM *);
+#if NCURSES_SP_FUNCS
+extern NCURSES_EXPORT(FORM *) NCURSES_SP_NAME(new_form) (SCREEN*, FIELD **);
+#endif
+
#ifdef __cplusplus
}
#endif