form.h revision 76726
150276Speter/**************************************************************************** 276726Speter * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter#ifndef FORM_H 3450276Speter#define FORM_H 3550276Speter 3650276Speter#include <curses.h> 3750276Speter#include <eti.h> 3850276Speter 3950276Speter#ifdef __cplusplus 4050276Speter extern "C" { 4150276Speter#endif 4250276Speter 4350276Spetertypedef int Form_Options; 4450276Spetertypedef int Field_Options; 4550276Speter 4650276Speter /********** 4750276Speter * _PAGE * 4850276Speter **********/ 4950276Speter 5050276Spetertypedef struct { 5150276Speter short pmin; /* index of first field on page */ 5250276Speter short pmax; /* index of last field on page */ 5350276Speter short smin; /* index of top leftmost field on page */ 5450276Speter short smax; /* index of bottom rightmost field on page */ 5550276Speter} _PAGE; 5650276Speter 5750276Speter /********** 5850276Speter * FIELD * 5950276Speter **********/ 6050276Speter 6150276Spetertypedef struct fieldnode { 6250276Speter unsigned short status; /* flags */ 6350276Speter short rows; /* size in rows */ 6450276Speter short cols; /* size in cols */ 6550276Speter short frow; /* first row */ 6650276Speter short fcol; /* first col */ 6750276Speter int drows; /* dynamic rows */ 6850276Speter int dcols; /* dynamic cols */ 6950276Speter int maxgrow; /* maximum field growth */ 7050276Speter int nrow; /* offscreen rows */ 7150276Speter short nbuf; /* additional buffers */ 7250276Speter short just; /* justification */ 7350276Speter short page; /* page on form */ 7450276Speter short index; /* into form -> field */ 7550276Speter int pad; /* pad character */ 7650276Speter chtype fore; /* foreground attribute */ 7750276Speter chtype back; /* background attribute */ 7850276Speter Field_Options opts; /* options */ 7950276Speter struct fieldnode * snext; /* sorted order pointer */ 8050276Speter struct fieldnode * sprev; /* sorted order pointer */ 8150276Speter struct fieldnode * link; /* linked field chain */ 8250276Speter struct formnode * form; /* containing form */ 8350276Speter struct typenode * type; /* field type */ 8450276Speter void * arg; /* argument for type */ 8550276Speter char * buf; /* field buffers */ 8650276Speter void * usrptr; /* user pointer */ 8750276Speter} FIELD; 8850276Speter 8950276Speter /************** 9050276Speter * FIELDTYPE * 9150276Speter **************/ 9250276Speter 9350276Spetertypedef struct typenode { 9450276Speter unsigned short status; /* flags */ 9550276Speter long ref; /* reference count */ 9650276Speter struct typenode * left; /* ptr to operand for | */ 9750276Speter struct typenode * right; /* ptr to operand for | */ 9850276Speter 9950276Speter void* (*makearg)(va_list *); /* make fieldtype arg */ 10050276Speter void* (*copyarg)(const void *); /* copy fieldtype arg */ 10150276Speter void (*freearg)(void *); /* free fieldtype arg */ 10250276Speter 10350276Speter bool (*fcheck)(FIELD *,const void *); /* field validation */ 10450276Speter bool (*ccheck)(int,const void *); /* character validation */ 10550276Speter 10650276Speter bool (*next)(FIELD *,const void *); /* enumerate next value */ 10750276Speter bool (*prev)(FIELD *,const void *); /* enumerate prev value */ 10850276Speter 10950276Speter} FIELDTYPE; 11050276Speter 11150276Speter /********* 11250276Speter * FORM * 11350276Speter *********/ 11450276Speter 11550276Spetertypedef struct formnode { 11650276Speter unsigned short status; /* flags */ 11750276Speter short rows; /* size in rows */ 11850276Speter short cols; /* size in cols */ 11950276Speter int currow; /* current row in field window*/ 12050276Speter int curcol; /* current col in field window*/ 12150276Speter int toprow; /* in scrollable field window */ 12250276Speter int begincol; /* in horiz. scrollable field */ 12350276Speter short maxfield; /* number of fields */ 12450276Speter short maxpage; /* number of pages */ 12550276Speter short curpage; /* index into page */ 12650276Speter Form_Options opts; /* options */ 12750276Speter WINDOW * win; /* window */ 12850276Speter WINDOW * sub; /* subwindow */ 12950276Speter WINDOW * w; /* window for current field */ 13050276Speter FIELD ** field; /* field [maxfield] */ 13150276Speter FIELD * current; /* current field */ 13250276Speter _PAGE * page; /* page [maxpage] */ 13350276Speter void * usrptr; /* user pointer */ 13450276Speter 13550276Speter void (*forminit)(struct formnode *); 13650276Speter void (*formterm)(struct formnode *); 13750276Speter void (*fieldinit)(struct formnode *); 13850276Speter void (*fieldterm)(struct formnode *); 13950276Speter 14050276Speter} FORM; 14150276Speter 14250276Spetertypedef void (*Form_Hook)(FORM *); 14350276Speter 14450276Speter /*************************** 14550276Speter * miscellaneous #defines * 14650276Speter ***************************/ 14750276Speter 14850276Speter/* field justification */ 14950276Speter#define NO_JUSTIFICATION (0) 15050276Speter#define JUSTIFY_LEFT (1) 15150276Speter#define JUSTIFY_CENTER (2) 15250276Speter#define JUSTIFY_RIGHT (3) 15350276Speter 15450276Speter/* field options */ 15550276Speter#define O_VISIBLE (0x0001) 15650276Speter#define O_ACTIVE (0x0002) 15750276Speter#define O_PUBLIC (0x0004) 15850276Speter#define O_EDIT (0x0008) 15950276Speter#define O_WRAP (0x0010) 16050276Speter#define O_BLANK (0x0020) 16150276Speter#define O_AUTOSKIP (0x0040) 16250276Speter#define O_NULLOK (0x0080) 16350276Speter#define O_PASSOK (0x0100) 16450276Speter#define O_STATIC (0x0200) 16550276Speter 16650276Speter/* form options */ 16750276Speter#define O_NL_OVERLOAD (0x0001) 16850276Speter#define O_BS_OVERLOAD (0x0002) 16950276Speter 17050276Speter/* form driver commands */ 17150276Speter#define REQ_NEXT_PAGE (KEY_MAX + 1) /* move to next page */ 17250276Speter#define REQ_PREV_PAGE (KEY_MAX + 2) /* move to previous page */ 17350276Speter#define REQ_FIRST_PAGE (KEY_MAX + 3) /* move to first page */ 17450276Speter#define REQ_LAST_PAGE (KEY_MAX + 4) /* move to last page */ 17550276Speter 17650276Speter#define REQ_NEXT_FIELD (KEY_MAX + 5) /* move to next field */ 17750276Speter#define REQ_PREV_FIELD (KEY_MAX + 6) /* move to previous field */ 17850276Speter#define REQ_FIRST_FIELD (KEY_MAX + 7) /* move to first field */ 17950276Speter#define REQ_LAST_FIELD (KEY_MAX + 8) /* move to last field */ 18050276Speter#define REQ_SNEXT_FIELD (KEY_MAX + 9) /* move to sorted next field */ 18150276Speter#define REQ_SPREV_FIELD (KEY_MAX + 10) /* move to sorted prev field */ 18250276Speter#define REQ_SFIRST_FIELD (KEY_MAX + 11) /* move to sorted first field */ 18350276Speter#define REQ_SLAST_FIELD (KEY_MAX + 12) /* move to sorted last field */ 18450276Speter#define REQ_LEFT_FIELD (KEY_MAX + 13) /* move to left to field */ 18550276Speter#define REQ_RIGHT_FIELD (KEY_MAX + 14) /* move to right to field */ 18650276Speter#define REQ_UP_FIELD (KEY_MAX + 15) /* move to up to field */ 18750276Speter#define REQ_DOWN_FIELD (KEY_MAX + 16) /* move to down to field */ 18850276Speter 18950276Speter#define REQ_NEXT_CHAR (KEY_MAX + 17) /* move to next char in field */ 19050276Speter#define REQ_PREV_CHAR (KEY_MAX + 18) /* move to prev char in field */ 19150276Speter#define REQ_NEXT_LINE (KEY_MAX + 19) /* move to next line in field */ 19250276Speter#define REQ_PREV_LINE (KEY_MAX + 20) /* move to prev line in field */ 19350276Speter#define REQ_NEXT_WORD (KEY_MAX + 21) /* move to next word in field */ 19450276Speter#define REQ_PREV_WORD (KEY_MAX + 22) /* move to prev word in field */ 19550276Speter#define REQ_BEG_FIELD (KEY_MAX + 23) /* move to first char in field */ 19650276Speter#define REQ_END_FIELD (KEY_MAX + 24) /* move after last char in fld */ 19750276Speter#define REQ_BEG_LINE (KEY_MAX + 25) /* move to beginning of line */ 19850276Speter#define REQ_END_LINE (KEY_MAX + 26) /* move after last char in line */ 19950276Speter#define REQ_LEFT_CHAR (KEY_MAX + 27) /* move left in field */ 20050276Speter#define REQ_RIGHT_CHAR (KEY_MAX + 28) /* move right in field */ 20150276Speter#define REQ_UP_CHAR (KEY_MAX + 29) /* move up in field */ 20250276Speter#define REQ_DOWN_CHAR (KEY_MAX + 30) /* move down in field */ 20350276Speter 20450276Speter#define REQ_NEW_LINE (KEY_MAX + 31) /* insert/overlay new line */ 20550276Speter#define REQ_INS_CHAR (KEY_MAX + 32) /* insert blank char at cursor */ 20650276Speter#define REQ_INS_LINE (KEY_MAX + 33) /* insert blank line at cursor */ 20750276Speter#define REQ_DEL_CHAR (KEY_MAX + 34) /* delete char at cursor */ 20850276Speter#define REQ_DEL_PREV (KEY_MAX + 35) /* delete char before cursor */ 20950276Speter#define REQ_DEL_LINE (KEY_MAX + 36) /* delete line at cursor */ 21050276Speter#define REQ_DEL_WORD (KEY_MAX + 37) /* delete line at cursor */ 21150276Speter#define REQ_CLR_EOL (KEY_MAX + 38) /* clear to end of line */ 21250276Speter#define REQ_CLR_EOF (KEY_MAX + 39) /* clear to end of field */ 21350276Speter#define REQ_CLR_FIELD (KEY_MAX + 40) /* clear entire field */ 21450276Speter#define REQ_OVL_MODE (KEY_MAX + 41) /* begin overlay mode */ 21550276Speter#define REQ_INS_MODE (KEY_MAX + 42) /* begin insert mode */ 21650276Speter#define REQ_SCR_FLINE (KEY_MAX + 43) /* scroll field forward a line */ 21750276Speter#define REQ_SCR_BLINE (KEY_MAX + 44) /* scroll field backward a line */ 21850276Speter#define REQ_SCR_FPAGE (KEY_MAX + 45) /* scroll field forward a page */ 21950276Speter#define REQ_SCR_BPAGE (KEY_MAX + 46) /* scroll field backward a page */ 22050276Speter#define REQ_SCR_FHPAGE (KEY_MAX + 47) /* scroll field forward half page */ 22150276Speter#define REQ_SCR_BHPAGE (KEY_MAX + 48) /* scroll field backward half page */ 22250276Speter#define REQ_SCR_FCHAR (KEY_MAX + 49) /* horizontal scroll char */ 22350276Speter#define REQ_SCR_BCHAR (KEY_MAX + 50) /* horizontal scroll char */ 22450276Speter#define REQ_SCR_HFLINE (KEY_MAX + 51) /* horizontal scroll line */ 22550276Speter#define REQ_SCR_HBLINE (KEY_MAX + 52) /* horizontal scroll line */ 22650276Speter#define REQ_SCR_HFHALF (KEY_MAX + 53) /* horizontal scroll half line */ 22750276Speter#define REQ_SCR_HBHALF (KEY_MAX + 54) /* horizontal scroll half line */ 22850276Speter 22950276Speter#define REQ_VALIDATION (KEY_MAX + 55) /* validate field */ 23050276Speter#define REQ_NEXT_CHOICE (KEY_MAX + 56) /* display next field choice */ 23150276Speter#define REQ_PREV_CHOICE (KEY_MAX + 57) /* display prev field choice */ 23250276Speter 23350276Speter#define MIN_FORM_COMMAND (KEY_MAX + 1) /* used by form_driver */ 23450276Speter#define MAX_FORM_COMMAND (KEY_MAX + 57) /* used by form_driver */ 23550276Speter 23650276Speter#if defined(MAX_COMMAND) 23750276Speter# if (MAX_FORM_COMMAND > MAX_COMMAND) 23850276Speter# error Something is wrong -- MAX_FORM_COMMAND is greater than MAX_COMMAND 23950276Speter# elif (MAX_COMMAND != (KEY_MAX + 128)) 24050276Speter# error Something is wrong -- MAX_COMMAND is already inconsistently defined. 24150276Speter# endif 24250276Speter#else 24350276Speter# define MAX_COMMAND (KEY_MAX + 128) 24450276Speter#endif 24550276Speter 24650276Speter /************************* 24750276Speter * standard field types * 24850276Speter *************************/ 24976726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALPHA; 25076726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALNUM; 25176726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ENUM; 25276726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_INTEGER; 25376726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_NUMERIC; 25476726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_REGEXP; 25550276Speter 25650276Speter /************************************ 25750276Speter * built-in additional field types * 25850276Speter * They are not defined in SVr4 * 25950276Speter ************************************/ 26076726Speterextern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_IPV4; /* Internet IP Version 4 address */ 26150276Speter 26250276Speter /*********************** 26350276Speter * Default objects * 26450276Speter ***********************/ 26576726Speterextern NCURSES_EXPORT_VAR(FORM *) _nc_Default_Form; 26676726Speterextern NCURSES_EXPORT_VAR(FIELD *) _nc_Default_Field; 26750276Speter 26850276Speter 26950276Speter /*********************** 27050276Speter * FIELDTYPE routines * 27150276Speter ***********************/ 27276726Speterextern NCURSES_EXPORT(FIELDTYPE *) new_fieldtype ( 27350276Speter bool (* const field_check)(FIELD *,const void *), 27450276Speter bool (* const char_check)(int,const void *)), 27550276Speter *link_fieldtype(FIELDTYPE *,FIELDTYPE *); 27650276Speter 27776726Speterextern NCURSES_EXPORT(int) free_fieldtype (FIELDTYPE *); 27876726Speterextern NCURSES_EXPORT(int) set_fieldtype_arg (FIELDTYPE *, 27950276Speter void * (* const make_arg)(va_list *), 28050276Speter void * (* const copy_arg)(const void *), 28176726Speter void (* const free_arg)(void *)); 28276726Speterextern NCURSES_EXPORT(int) set_fieldtype_choice (FIELDTYPE *, 28350276Speter bool (* const next_choice)(FIELD *,const void *), 28450276Speter bool (* const prev_choice)(FIELD *,const void *)); 28550276Speter 28650276Speter /******************* 28750276Speter * FIELD routines * 28850276Speter *******************/ 28976726Speterextern NCURSES_EXPORT(FIELD *) new_field (int,int,int,int,int,int); 29076726Speterextern NCURSES_EXPORT(FIELD *) dup_field (FIELD *,int,int); 29176726Speterextern NCURSES_EXPORT(FIELD *) link_field (FIELD *,int,int); 29250276Speter 29376726Speterextern NCURSES_EXPORT(int) free_field (FIELD *); 29476726Speterextern NCURSES_EXPORT(int) field_info (const FIELD *,int *,int *,int *,int *,int *,int *); 29576726Speterextern NCURSES_EXPORT(int) dynamic_field_info (const FIELD *,int *,int *,int *); 29676726Speterextern NCURSES_EXPORT(int) set_max_field ( FIELD *,int); 29776726Speterextern NCURSES_EXPORT(int) move_field (FIELD *,int,int); 29876726Speterextern NCURSES_EXPORT(int) set_field_type (FIELD *,FIELDTYPE *,...); 29976726Speterextern NCURSES_EXPORT(int) set_new_page (FIELD *,bool); 30076726Speterextern NCURSES_EXPORT(int) set_field_just (FIELD *,int); 30176726Speterextern NCURSES_EXPORT(int) field_just (const FIELD *); 30276726Speterextern NCURSES_EXPORT(int) set_field_fore (FIELD *,chtype); 30376726Speterextern NCURSES_EXPORT(int) set_field_back (FIELD *,chtype); 30476726Speterextern NCURSES_EXPORT(int) set_field_pad (FIELD *,int); 30576726Speterextern NCURSES_EXPORT(int) field_pad (const FIELD *); 30676726Speterextern NCURSES_EXPORT(int) set_field_buffer (FIELD *,int,const char *); 30776726Speterextern NCURSES_EXPORT(int) set_field_status (FIELD *,bool); 30876726Speterextern NCURSES_EXPORT(int) set_field_userptr (FIELD *, void *); 30976726Speterextern NCURSES_EXPORT(int) set_field_opts (FIELD *,Field_Options); 31076726Speterextern NCURSES_EXPORT(int) field_opts_on (FIELD *,Field_Options); 31176726Speterextern NCURSES_EXPORT(int) field_opts_off (FIELD *,Field_Options); 31250276Speter 31376726Speterextern NCURSES_EXPORT(chtype) field_fore (const FIELD *); 31476726Speterextern NCURSES_EXPORT(chtype) field_back (const FIELD *); 31550276Speter 31676726Speterextern NCURSES_EXPORT(bool) new_page (const FIELD *); 31776726Speterextern NCURSES_EXPORT(bool) field_status (const FIELD *); 31850276Speter 31976726Speterextern NCURSES_EXPORT(void *) field_arg (const FIELD *); 32050276Speter 32176726Speterextern NCURSES_EXPORT(void *) field_userptr (const FIELD *); 32250276Speter 32376726Speterextern NCURSES_EXPORT(FIELDTYPE *) field_type (const FIELD *); 32450276Speter 32576726Speterextern NCURSES_EXPORT(char *) field_buffer (const FIELD *,int); 32650276Speter 32776726Speterextern NCURSES_EXPORT(Field_Options) field_opts (const FIELD *); 32850276Speter 32950276Speter /****************** 33050276Speter * FORM routines * 33150276Speter ******************/ 33250276Speter 33376726Speterextern NCURSES_EXPORT(FORM *) new_form (FIELD **); 33450276Speter 33576726Speterextern NCURSES_EXPORT(FIELD **)form_fields (const FORM *); 33676726Speterextern NCURSES_EXPORT(FIELD *) current_field (const FORM *); 33750276Speter 33876726Speterextern NCURSES_EXPORT(WINDOW *) form_win (const FORM *); 33976726Speterextern NCURSES_EXPORT(WINDOW *) form_sub (const FORM *); 34050276Speter 34176726Speterextern NCURSES_EXPORT(Form_Hook) form_init (const FORM *); 34276726Speterextern NCURSES_EXPORT(Form_Hook) form_term (const FORM *); 34376726Speterextern NCURSES_EXPORT(Form_Hook) field_init (const FORM *); 34476726Speterextern NCURSES_EXPORT(Form_Hook) field_term (const FORM *); 34550276Speter 34676726Speterextern NCURSES_EXPORT(int) free_form (FORM *); 34776726Speterextern NCURSES_EXPORT(int) set_form_fields (FORM *,FIELD **); 34876726Speterextern NCURSES_EXPORT(int) field_count (const FORM *); 34976726Speterextern NCURSES_EXPORT(int) set_form_win (FORM *,WINDOW *); 35076726Speterextern NCURSES_EXPORT(int) set_form_sub (FORM *,WINDOW *); 35176726Speterextern NCURSES_EXPORT(int) set_current_field (FORM *,FIELD *); 35276726Speterextern NCURSES_EXPORT(int) field_index (const FIELD *); 35376726Speterextern NCURSES_EXPORT(int) set_form_page (FORM *,int); 35476726Speterextern NCURSES_EXPORT(int) form_page (const FORM *); 35576726Speterextern NCURSES_EXPORT(int) scale_form (const FORM *,int *,int *); 35676726Speterextern NCURSES_EXPORT(int) set_form_init (FORM *,Form_Hook); 35776726Speterextern NCURSES_EXPORT(int) set_form_term (FORM *,Form_Hook); 35876726Speterextern NCURSES_EXPORT(int) set_field_init (FORM *,Form_Hook); 35976726Speterextern NCURSES_EXPORT(int) set_field_term (FORM *,Form_Hook); 36076726Speterextern NCURSES_EXPORT(int) post_form (FORM *); 36176726Speterextern NCURSES_EXPORT(int) unpost_form (FORM *); 36276726Speterextern NCURSES_EXPORT(int) pos_form_cursor (FORM *); 36376726Speterextern NCURSES_EXPORT(int) form_driver (FORM *,int); 36476726Speterextern NCURSES_EXPORT(int) set_form_userptr (FORM *,void *); 36576726Speterextern NCURSES_EXPORT(int) set_form_opts (FORM *,Form_Options); 36676726Speterextern NCURSES_EXPORT(int) form_opts_on (FORM *,Form_Options); 36776726Speterextern NCURSES_EXPORT(int) form_opts_off (FORM *,Form_Options); 36876726Speterextern NCURSES_EXPORT(int) form_request_by_name (const char *); 36950276Speter 37076726Speterextern NCURSES_EXPORT(const char *) form_request_name (int); 37150276Speter 37276726Speterextern NCURSES_EXPORT(void *) form_userptr (const FORM *); 37350276Speter 37476726Speterextern NCURSES_EXPORT(Form_Options) form_opts (const FORM *); 37550276Speter 37676726Speterextern NCURSES_EXPORT(bool) data_ahead (const FORM *); 37776726Speterextern NCURSES_EXPORT(bool) data_behind (const FORM *); 37876726Speter 37950276Speter#ifdef __cplusplus 38050276Speter } 38150276Speter#endif 38250276Speter 38350276Speter#endif /* FORM_H */ 384