cforms.h

CForms, by Lars Berntzon (Stockholm, Sweden), is a tool for building interactive forms-driven applic

#ifndef _CFORMS_H
#define _CFORMS_H

#ifndef lint
static volatile char sccs_cforms_h[] = "@(#) cforms.h,v 1.15 1993/07/21 01:15:16 lasse Exp";
#endif

#ifndef OK
#define OK	0
#endif

#ifndef FAIL
#define FAIL	-1
#endif

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#define KEY_ANY		07777

#ifndef KEY_ESC
#define KEY_ESC		033
#endif

#define EVENT_KEY	1
#define EVENT_REFRESH	2
#define EVENT_ENTRY	3
#define EVENT_EXIT	4
#define EVENT_DRAW	5
#define EVENT_PREVIOUS	6
#define EVENT_NEXT	7

#define FLD_TYPE	0x000F
#define FLD_MODIFIER	0x0FF0

#define FLD_RIGHT	0x0010
#define FLD_LEFT	0x0020
#define FLD_UPPERCASE	0x0040
#define FLD_PROTECTED	0x0080
#define FLD_HIGHLIGHT	0x0100
#define FLD_INVISIBLE	0x0200
#define FLD_FORBIDDEN	0x0400

#define FLD_INT		0x0001
#define FLD_CHAR	0x0002
#define FLD_ALNUM	0x0003

#define PIC_FRAME	0x0001

#ifndef SLASH
#define SLASH '/'
#endif

struct xy {
    int x, y;
};

#ifndef _COMP_H
struct event {
    int type;
    int code;
    int global;
    void (*func)(int event_code);
};

struct field {
    char *name;
    int type;
    int len;
    char *data;
    struct xy pos;
    char *lvalue;
    char *rvalue;
    struct event *event;
    int n_events;
    unsigned long flags;
    char modified;
    struct picture *picture;
};

struct literal {
    struct xy pos;
    char *value;
    unsigned long flags;
};

struct picture {
    char *name;
    struct field *field;
    int n_fields;
    struct literal *literal;
    int n_literals;
    struct event *event;
    int n_events;
    int x, y;
    int width, height;
    struct module *module;
    unsigned long flags;
};

struct module
{
    struct picture *picture;
    int n_pictures;
    struct event *event;
    int n_events;
};

struct global
{
    struct picture *picture;
    struct field *field;
    struct field *move_field;
    int leave_picture;
    char bs;		/* Normally backspace	*/
    char del1;		/* Normally DEL		*/
    char del2;		/* Normally CTRL-D	*/
    char kill;		/* Normally CTRL-K	*/
    char clear;		/* Normally CTRL-U	*/
};

/*
 * Misc. functions.
 */
extern int cforms_init(void);
extern int cforms_end(void);
extern int cforms_system(const char *command, const char *prompt);
extern void cforms_refresh();

/*
 * Picture functions.
 */
extern struct picture *picture(const char *fmt, ...);
extern int             pic_call(struct picture *pic, const char *fieldname);
extern int             pic_leave(void);
extern int             pic_clear(struct picture *pic);

/* 
 * Field functons.
 */
extern struct field *field(const char *fmt, ...);
extern struct field *fld_move(struct field *fld);
extern struct field *fld_down(const struct field *fld);
extern struct field *fld_up(const struct field *fld);
extern struct field *fld_left(const struct field *fld);
extern struct field *fld_right(const struct field *fld);
extern struct field *fld_first(void);
extern struct field *fld_last(void);
extern struct field *fld_next(const struct field *fld);
extern struct field *fld_previous(const struct field *fld);
extern const char   *fld_get(const struct field *fld);
extern char   	    *fld_get_trimmed(const struct field *fld);
extern int           fld_set(struct field *fld, const char *value);
extern int           fld_nset(struct field *fld, const char *value, int n);
extern int           fld_len(const struct field *fld);
extern const char   *fld_name(const struct field *fld);
extern int           fld_isempty(const struct field *fld);
extern int           fld_ismodified(const struct field *fld);
extern void          fld_touch(struct field *fld);
extern void	     fld_sattr(struct field *fld, unsigned long attr);
extern void	     fld_cattr(struct field *fld, unsigned long attr);

/*
 * General functions.
 */
extern                 get_fld(struct field *fld, int (*check)());
extern int             strequ(const char *s1, const char *s2);
extern int             message(const char *fmt, ...);
extern int             message_nr(const char *fmt, ...);


extern struct module *_cf_modules[];
extern struct global _cf_globals;

#endif /* _COMP_H */

#endif /* _CFORMS_H */