form.h

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

/****************************************************************************
 * Copyright (c) 1998-2003,2004 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            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * 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 ABOVE COPYRIGHT HOLDERS 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(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

/* $Id: form.h,v 0.20 2004/12/04 22:22:10 tom Exp $ */

#ifndef FORM_H
#define FORM_H

#include <curses.h>
#include <eti.h>

#ifdef __cplusplus
  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;

	/**********
	*  _PAGE  *
	**********/

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	*/
} _PAGE;

	/**********
	*  FIELD  *
	**********/

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		*/
  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 *);

} FORM;

typedef void (*Form_Hook)(FORM *);

	/***************************
	*  miscellaneous #defines  *
	***************************/

/* field justification */
#define NO_JUSTIFICATION	(0)
#define JUSTIFY_LEFT		(1)
#define JUSTIFY_CENTER		(2)
#define JUSTIFY_RIGHT		(3)

/* field options */
#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		(0x0001U)
#define O_BS_OVERLOAD		(0x0002U)

/* form driver commands */
#define REQ_NEXT_PAGE	 (KEY_MAX + 1)	/* move to next page		*/
#define REQ_PREV_PAGE	 (KEY_MAX + 2)	/* move to previous page	*/
#define REQ_FIRST_PAGE	 (KEY_MAX + 3)	/* move to first page		*/
#define REQ_LAST_PAGE	 (KEY_MAX + 4)	/* move to last page		*/

#define REQ_NEXT_FIELD	 (KEY_MAX + 5)	/* move to next field		*/
#define REQ_PREV_FIELD	 (KEY_MAX + 6)	/* move to previous field	*/
#define REQ_FIRST_FIELD	 (KEY_MAX + 7)	/* move to first field		*/
#define REQ_LAST_FIELD	 (KEY_MAX + 8)	/* move to last field		*/
#define REQ_SNEXT_FIELD	 (KEY_MAX + 9)	/* move to sorted next field	*/
#define REQ_SPREV_FIELD	 (KEY_MAX + 10)	/* move to sorted prev field	*/
#define REQ_SFIRST_FIELD (KEY_MAX + 11)	/* move to sorted first field	*/
#define REQ_SLAST_FIELD	 (KEY_MAX + 12)	/* move to sorted last field	*/