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423 lines
18 KiB
C
423 lines
18 KiB
C
2 months ago
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/****************************************************************************
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* Copyright (c) 1998-2004,2009 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer, 1995,1997 *
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****************************************************************************/
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/* $Id: form.h,v 0.21 2009/11/07 19:31:11 tom Exp $ */
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#ifndef FORM_H
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#define FORM_H
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#include <ncurses/curses.h>
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#include <ncurses/eti.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef FORM_PRIV_H
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typedef void *FIELD_CELL;
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#endif
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#ifndef NCURSES_FIELD_INTERNALS
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#define NCURSES_FIELD_INTERNALS /* nothing */
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#endif
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typedef int Form_Options;
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typedef int Field_Options;
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/**********
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* _PAGE *
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**********/
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typedef struct {
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short pmin; /* index of first field on page */
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short pmax; /* index of last field on page */
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short smin; /* index of top leftmost field on page */
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short smax; /* index of bottom rightmost field on page */
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} _PAGE;
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/**********
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* FIELD *
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**********/
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typedef struct fieldnode {
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unsigned short status; /* flags */
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short rows; /* size in rows */
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short cols; /* size in cols */
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short frow; /* first row */
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short fcol; /* first col */
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int drows; /* dynamic rows */
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int dcols; /* dynamic cols */
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int maxgrow; /* maximum field growth */
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int nrow; /* off-screen rows */
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short nbuf; /* additional buffers */
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short just; /* justification */
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short page; /* page on form */
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short index; /* into form -> field */
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int pad; /* pad character */
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chtype fore; /* foreground attribute */
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chtype back; /* background attribute */
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Field_Options opts; /* options */
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struct fieldnode * snext; /* sorted order pointer */
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struct fieldnode * sprev; /* sorted order pointer */
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struct fieldnode * link; /* linked field chain */
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struct formnode * form; /* containing form */
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struct typenode * type; /* field type */
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void * arg; /* argument for type */
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FIELD_CELL * buf; /* field buffers */
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void * usrptr; /* user pointer */
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/*
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* The wide-character configuration requires extra information. Because
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* there are existing applications that manipulate the members of FIELD
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* directly, we cannot make the struct opaque. Offsets of members up to
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* this point are the same in the narrow- and wide-character configuration.
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* But note that the type of buf depends on the configuration, and is made
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* opaque for that reason.
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*/
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NCURSES_FIELD_INTERNALS
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} FIELD;
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/*********
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* FORM *
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*********/
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typedef struct formnode {
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unsigned short status; /* flags */
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short rows; /* size in rows */
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short cols; /* size in cols */
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int currow; /* current row in field window */
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int curcol; /* current col in field window */
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int toprow; /* in scrollable field window */
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int begincol; /* in horiz. scrollable field */
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short maxfield; /* number of fields */
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short maxpage; /* number of pages */
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short curpage; /* index into page */
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Form_Options opts; /* options */
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WINDOW * win; /* window */
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WINDOW * sub; /* subwindow */
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WINDOW * w; /* window for current field */
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FIELD ** field; /* field [maxfield] */
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FIELD * current; /* current field */
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_PAGE * page; /* page [maxpage] */
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void * usrptr; /* user pointer */
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void (*forminit)(struct formnode *);
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void (*formterm)(struct formnode *);
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void (*fieldinit)(struct formnode *);
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void (*fieldterm)(struct formnode *);
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} FORM;
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/**************
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* FIELDTYPE *
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**************/
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typedef struct typenode {
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unsigned short status; /* flags */
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long ref; /* reference count */
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struct typenode * left; /* ptr to operand for | */
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struct typenode * right; /* ptr to operand for | */
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void* (*makearg)(va_list *); /* make fieldtype arg */
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void* (*copyarg)(const void *); /* copy fieldtype arg */
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void (*freearg)(void *); /* free fieldtype arg */
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#if NCURSES_INTEROP_FUNCS
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union {
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bool (*ofcheck)(FIELD *,const void *); /* field validation */
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bool (*gfcheck)(FORM*,FIELD *,const void*); /* generic field validation */
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} fieldcheck;
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union {
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bool (*occheck)(int,const void *); /* character validation */
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bool (*gccheck)(int,FORM*,
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FIELD*,const void*); /* generic char validation */
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} charcheck;
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union {
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bool (*onext)(FIELD *,const void *); /* enumerate next value */
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bool (*gnext)(FORM*,FIELD*,const void*); /* generic enumerate next */
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} enum_next;
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union {
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bool (*oprev)(FIELD *,const void *); /* enumerate prev value */
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bool (*gprev)(FORM*,FIELD*,const void*); /* generic enumerate prev */
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} enum_prev;
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void* (*genericarg)(void*); /* Alternate Arg method */
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#else
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bool (*fcheck)(FIELD *,const void *); /* field validation */
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bool (*ccheck)(int,const void *); /* character validation */
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bool (*next)(FIELD *,const void *); /* enumerate next value */
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bool (*prev)(FIELD *,const void *); /* enumerate prev value */
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#endif
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} FIELDTYPE;
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typedef void (*Form_Hook)(FORM *);
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/***************************
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* miscellaneous #defines *
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***************************/
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/* field justification */
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#define NO_JUSTIFICATION (0)
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#define JUSTIFY_LEFT (1)
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#define JUSTIFY_CENTER (2)
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#define JUSTIFY_RIGHT (3)
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/* field options */
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#define O_VISIBLE (0x0001U)
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#define O_ACTIVE (0x0002U)
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#define O_PUBLIC (0x0004U)
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#define O_EDIT (0x0008U)
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#define O_WRAP (0x0010U)
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#define O_BLANK (0x0020U)
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#define O_AUTOSKIP (0x0040U)
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#define O_NULLOK (0x0080U)
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#define O_PASSOK (0x0100U)
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#define O_STATIC (0x0200U)
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/* form options */
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#define O_NL_OVERLOAD (0x0001U)
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#define O_BS_OVERLOAD (0x0002U)
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/* form driver commands */
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#define REQ_NEXT_PAGE (KEY_MAX + 1) /* move to next page */
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#define REQ_PREV_PAGE (KEY_MAX + 2) /* move to previous page */
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#define REQ_FIRST_PAGE (KEY_MAX + 3) /* move to first page */
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#define REQ_LAST_PAGE (KEY_MAX + 4) /* move to last page */
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#define REQ_NEXT_FIELD (KEY_MAX + 5) /* move to next field */
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#define REQ_PREV_FIELD (KEY_MAX + 6) /* move to previous field */
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#define REQ_FIRST_FIELD (KEY_MAX + 7) /* move to first field */
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#define REQ_LAST_FIELD (KEY_MAX + 8) /* move to last field */
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#define REQ_SNEXT_FIELD (KEY_MAX + 9) /* move to sorted next field */
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#define REQ_SPREV_FIELD (KEY_MAX + 10) /* move to sorted prev field */
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#define REQ_SFIRST_FIELD (KEY_MAX + 11) /* move to sorted first field */
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#define REQ_SLAST_FIELD (KEY_MAX + 12) /* move to sorted last field */
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#define REQ_LEFT_FIELD (KEY_MAX + 13) /* move to left to field */
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#define REQ_RIGHT_FIELD (KEY_MAX + 14) /* move to right to field */
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#define REQ_UP_FIELD (KEY_MAX + 15) /* move to up to field */
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#define REQ_DOWN_FIELD (KEY_MAX + 16) /* move to down to field */
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#define REQ_NEXT_CHAR (KEY_MAX + 17) /* move to next char in field */
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#define REQ_PREV_CHAR (KEY_MAX + 18) /* move to prev char in field */
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#define REQ_NEXT_LINE (KEY_MAX + 19) /* move to next line in field */
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#define REQ_PREV_LINE (KEY_MAX + 20) /* move to prev line in field */
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#define REQ_NEXT_WORD (KEY_MAX + 21) /* move to next word in field */
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#define REQ_PREV_WORD (KEY_MAX + 22) /* move to prev word in field */
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#define REQ_BEG_FIELD (KEY_MAX + 23) /* move to first char in field */
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#define REQ_END_FIELD (KEY_MAX + 24) /* move after last char in fld */
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#define REQ_BEG_LINE (KEY_MAX + 25) /* move to beginning of line */
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#define REQ_END_LINE (KEY_MAX + 26) /* move after last char in line */
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#define REQ_LEFT_CHAR (KEY_MAX + 27) /* move left in field */
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#define REQ_RIGHT_CHAR (KEY_MAX + 28) /* move right in field */
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#define REQ_UP_CHAR (KEY_MAX + 29) /* move up in field */
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#define REQ_DOWN_CHAR (KEY_MAX + 30) /* move down in field */
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#define REQ_NEW_LINE (KEY_MAX + 31) /* insert/overlay new line */
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#define REQ_INS_CHAR (KEY_MAX + 32) /* insert blank char at cursor */
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#define REQ_INS_LINE (KEY_MAX + 33) /* insert blank line at cursor */
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#define REQ_DEL_CHAR (KEY_MAX + 34) /* delete char at cursor */
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#define REQ_DEL_PREV (KEY_MAX + 35) /* delete char before cursor */
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#define REQ_DEL_LINE (KEY_MAX + 36) /* delete line at cursor */
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#define REQ_DEL_WORD (KEY_MAX + 37) /* delete word at cursor */
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#define REQ_CLR_EOL (KEY_MAX + 38) /* clear to end of line */
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#define REQ_CLR_EOF (KEY_MAX + 39) /* clear to end of field */
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#define REQ_CLR_FIELD (KEY_MAX + 40) /* clear entire field */
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#define REQ_OVL_MODE (KEY_MAX + 41) /* begin overlay mode */
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#define REQ_INS_MODE (KEY_MAX + 42) /* begin insert mode */
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#define REQ_SCR_FLINE (KEY_MAX + 43) /* scroll field forward a line */
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#define REQ_SCR_BLINE (KEY_MAX + 44) /* scroll field backward a line */
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#define REQ_SCR_FPAGE (KEY_MAX + 45) /* scroll field forward a page */
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#define REQ_SCR_BPAGE (KEY_MAX + 46) /* scroll field backward a page */
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#define REQ_SCR_FHPAGE (KEY_MAX + 47) /* scroll field forward half page */
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#define REQ_SCR_BHPAGE (KEY_MAX + 48) /* scroll field backward half page */
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#define REQ_SCR_FCHAR (KEY_MAX + 49) /* horizontal scroll char */
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#define REQ_SCR_BCHAR (KEY_MAX + 50) /* horizontal scroll char */
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#define REQ_SCR_HFLINE (KEY_MAX + 51) /* horizontal scroll line */
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#define REQ_SCR_HBLINE (KEY_MAX + 52) /* horizontal scroll line */
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#define REQ_SCR_HFHALF (KEY_MAX + 53) /* horizontal scroll half line */
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#define REQ_SCR_HBHALF (KEY_MAX + 54) /* horizontal scroll half line */
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#define REQ_VALIDATION (KEY_MAX + 55) /* validate field */
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#define REQ_NEXT_CHOICE (KEY_MAX + 56) /* display next field choice */
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#define REQ_PREV_CHOICE (KEY_MAX + 57) /* display prev field choice */
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#define MIN_FORM_COMMAND (KEY_MAX + 1) /* used by form_driver */
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#define MAX_FORM_COMMAND (KEY_MAX + 57) /* used by form_driver */
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#if defined(MAX_COMMAND)
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# if (MAX_FORM_COMMAND > MAX_COMMAND)
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# error Something is wrong -- MAX_FORM_COMMAND is greater than MAX_COMMAND
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# elif (MAX_COMMAND != (KEY_MAX + 128))
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# error Something is wrong -- MAX_COMMAND is already inconsistently defined.
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# endif
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#else
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# define MAX_COMMAND (KEY_MAX + 128)
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#endif
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/*************************
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* standard field types *
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*************************/
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALPHA;
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALNUM;
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ENUM;
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_INTEGER;
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_NUMERIC;
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_REGEXP;
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/************************************
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* built-in additional field types *
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* They are not defined in SVr4 *
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************************************/
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extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_IPV4; /* Internet IP Version 4 address */
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/***********************
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* FIELDTYPE routines *
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***********************/
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extern NCURSES_EXPORT(FIELDTYPE *) new_fieldtype (
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bool (* const field_check)(FIELD *,const void *),
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bool (* const char_check)(int,const void *));
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extern NCURSES_EXPORT(FIELDTYPE *) link_fieldtype(
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FIELDTYPE *, FIELDTYPE *);
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extern NCURSES_EXPORT(int) free_fieldtype (FIELDTYPE *);
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extern NCURSES_EXPORT(int) set_fieldtype_arg (FIELDTYPE *,
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void * (* const make_arg)(va_list *),
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void * (* const copy_arg)(const void *),
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void (* const free_arg)(void *));
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extern NCURSES_EXPORT(int) set_fieldtype_choice (FIELDTYPE *,
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bool (* const next_choice)(FIELD *,const void *),
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bool (* const prev_choice)(FIELD *,const void *));
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/*******************
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* FIELD routines *
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*******************/
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extern NCURSES_EXPORT(FIELD *) new_field (int,int,int,int,int,int);
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extern NCURSES_EXPORT(FIELD *) dup_field (FIELD *,int,int);
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extern NCURSES_EXPORT(FIELD *) link_field (FIELD *,int,int);
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extern NCURSES_EXPORT(int) free_field (FIELD *);
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extern NCURSES_EXPORT(int) field_info (const FIELD *,int *,int *,int *,int *,int *,int *);
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extern NCURSES_EXPORT(int) dynamic_field_info (const FIELD *,int *,int *,int *);
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||
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extern NCURSES_EXPORT(int) set_max_field ( FIELD *,int);
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||
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extern NCURSES_EXPORT(int) move_field (FIELD *,int,int);
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||
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extern NCURSES_EXPORT(int) set_field_type (FIELD *,FIELDTYPE *,...);
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||
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extern NCURSES_EXPORT(int) set_new_page (FIELD *,bool);
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||
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extern NCURSES_EXPORT(int) set_field_just (FIELD *,int);
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||
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extern NCURSES_EXPORT(int) field_just (const FIELD *);
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||
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extern NCURSES_EXPORT(int) set_field_fore (FIELD *,chtype);
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||
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extern NCURSES_EXPORT(int) set_field_back (FIELD *,chtype);
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||
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extern NCURSES_EXPORT(int) set_field_pad (FIELD *,int);
|
||
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extern NCURSES_EXPORT(int) field_pad (const FIELD *);
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||
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extern NCURSES_EXPORT(int) set_field_buffer (FIELD *,int,const char *);
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||
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extern NCURSES_EXPORT(int) set_field_status (FIELD *,bool);
|
||
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extern NCURSES_EXPORT(int) set_field_userptr (FIELD *, void *);
|
||
|
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extern NCURSES_EXPORT(int) set_field_opts (FIELD *,Field_Options);
|
||
|
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extern NCURSES_EXPORT(int) field_opts_on (FIELD *,Field_Options);
|
||
|
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extern NCURSES_EXPORT(int) field_opts_off (FIELD *,Field_Options);
|
||
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|
|
||
|
|
extern NCURSES_EXPORT(chtype) field_fore (const FIELD *);
|
||
|
|
extern NCURSES_EXPORT(chtype) field_back (const FIELD *);
|
||
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|
||
|
|
extern NCURSES_EXPORT(bool) new_page (const FIELD *);
|
||
|
|
extern NCURSES_EXPORT(bool) field_status (const FIELD *);
|
||
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|
||
|
|
extern NCURSES_EXPORT(void *) field_arg (const FIELD *);
|
||
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|
||
|
|
extern NCURSES_EXPORT(void *) field_userptr (const FIELD *);
|
||
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|
||
|
|
extern NCURSES_EXPORT(FIELDTYPE *) field_type (const FIELD *);
|
||
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|
||
|
|
extern NCURSES_EXPORT(char *) field_buffer (const FIELD *,int);
|
||
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|
|
||
|
|
extern NCURSES_EXPORT(Field_Options) field_opts (const FIELD *);
|
||
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|
|
||
|
|
/******************
|
||
|
|
* FORM routines *
|
||
|
|
******************/
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(FORM *) new_form (FIELD **);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(FIELD **) form_fields (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(FIELD *) current_field (const FORM *);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(WINDOW *) form_win (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(WINDOW *) form_sub (const FORM *);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(Form_Hook) form_init (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(Form_Hook) form_term (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(Form_Hook) field_init (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(Form_Hook) field_term (const FORM *);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(int) free_form (FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_fields (FORM *,FIELD **);
|
||
|
|
extern NCURSES_EXPORT(int) field_count (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_win (FORM *,WINDOW *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_sub (FORM *,WINDOW *);
|
||
|
|
extern NCURSES_EXPORT(int) set_current_field (FORM *,FIELD *);
|
||
|
|
extern NCURSES_EXPORT(int) field_index (const FIELD *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_page (FORM *,int);
|
||
|
|
extern NCURSES_EXPORT(int) form_page (const FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) scale_form (const FORM *,int *,int *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_init (FORM *,Form_Hook);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_term (FORM *,Form_Hook);
|
||
|
|
extern NCURSES_EXPORT(int) set_field_init (FORM *,Form_Hook);
|
||
|
|
extern NCURSES_EXPORT(int) set_field_term (FORM *,Form_Hook);
|
||
|
|
extern NCURSES_EXPORT(int) post_form (FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) unpost_form (FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) pos_form_cursor (FORM *);
|
||
|
|
extern NCURSES_EXPORT(int) form_driver (FORM *,int);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_userptr (FORM *,void *);
|
||
|
|
extern NCURSES_EXPORT(int) set_form_opts (FORM *,Form_Options);
|
||
|
|
extern NCURSES_EXPORT(int) form_opts_on (FORM *,Form_Options);
|
||
|
|
extern NCURSES_EXPORT(int) form_opts_off (FORM *,Form_Options);
|
||
|
|
extern NCURSES_EXPORT(int) form_request_by_name (const char *);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(const char *) form_request_name (int);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(void *) form_userptr (const FORM *);
|
||
|
|
|
||
|
|
extern NCURSES_EXPORT(Form_Options) form_opts (const FORM *);
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
#endif /* FORM_H */
|