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/**************************************************************************** |
* Copyright (c) 1998 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 <Juergen.Pfeifer@T-Online.de> 1995,1997 * |
****************************************************************************/ |
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#ifndef FORM_H |
#define FORM_H |
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#include <curses.h> |
#include <eti.h> |
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#ifdef __cplusplus |
extern "C" { |
#endif |
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typedef int Form_Options; |
typedef int Field_Options; |
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/********** |
* _PAGE * |
**********/ |
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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; |
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/********** |
* FIELD * |
**********/ |
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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; /* offscreen 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 */ |
} FIELD; |
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/************** |
* FIELDTYPE * |
**************/ |
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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 | */ |
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void* (*makearg)(va_list *); /* make fieldtype arg */ |
void* (*copyarg)(const void *); /* copy fieldtype arg */ |
void (*freearg)(void *); /* free fieldtype arg */ |
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bool (*fcheck)(FIELD *,const void *); /* field validation */ |
bool (*ccheck)(int,const void *); /* character validation */ |
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bool (*next)(FIELD *,const void *); /* enumerate next value */ |
bool (*prev)(FIELD *,const void *); /* enumerate prev value */ |
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} FIELDTYPE; |
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/********* |
* FORM * |
*********/ |
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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 */ |
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void (*forminit)(struct formnode *); |
void (*formterm)(struct formnode *); |
void (*fieldinit)(struct formnode *); |
void (*fieldterm)(struct formnode *); |
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} FORM; |
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typedef void (*Form_Hook)(FORM *); |
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/*************************** |
* miscellaneous #defines * |
***************************/ |
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/* field justification */ |
#define NO_JUSTIFICATION (0) |
#define JUSTIFY_LEFT (1) |
#define JUSTIFY_CENTER (2) |
#define JUSTIFY_RIGHT (3) |
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/* 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) |
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/* form options */ |
#define O_NL_OVERLOAD (0x0001) |
#define O_BS_OVERLOAD (0x0002) |
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/* 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 */ |
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#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 */ |
#define REQ_LEFT_FIELD (KEY_MAX + 13) /* move to left to field */ |
#define REQ_RIGHT_FIELD (KEY_MAX + 14) /* move to right to field */ |
#define REQ_UP_FIELD (KEY_MAX + 15) /* move to up to field */ |
#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 */ |
#define REQ_PREV_CHAR (KEY_MAX + 18) /* move to prev char in field */ |
#define REQ_NEXT_LINE (KEY_MAX + 19) /* move to next line in field */ |
#define REQ_PREV_LINE (KEY_MAX + 20) /* move to prev line in field */ |
#define REQ_NEXT_WORD (KEY_MAX + 21) /* move to next word in field */ |
#define REQ_PREV_WORD (KEY_MAX + 22) /* move to prev word in field */ |
#define REQ_BEG_FIELD (KEY_MAX + 23) /* move to first char in field */ |
#define REQ_END_FIELD (KEY_MAX + 24) /* move after last char in fld */ |
#define REQ_BEG_LINE (KEY_MAX + 25) /* move to beginning of line */ |
#define REQ_END_LINE (KEY_MAX + 26) /* move after last char in line */ |
#define REQ_LEFT_CHAR (KEY_MAX + 27) /* move left in field */ |
#define REQ_RIGHT_CHAR (KEY_MAX + 28) /* move right in field */ |
#define REQ_UP_CHAR (KEY_MAX + 29) /* move up in field */ |
#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 */ |
#define REQ_INS_CHAR (KEY_MAX + 32) /* insert blank char at cursor */ |
#define REQ_INS_LINE (KEY_MAX + 33) /* insert blank line at cursor */ |
#define REQ_DEL_CHAR (KEY_MAX + 34) /* delete char at cursor */ |
#define REQ_DEL_PREV (KEY_MAX + 35) /* delete char before cursor */ |
#define REQ_DEL_LINE (KEY_MAX + 36) /* delete line at cursor */ |
#define REQ_DEL_WORD (KEY_MAX + 37) /* delete line at cursor */ |
#define REQ_CLR_EOL (KEY_MAX + 38) /* clear to end of line */ |
#define REQ_CLR_EOF (KEY_MAX + 39) /* clear to end of field */ |
#define REQ_CLR_FIELD (KEY_MAX + 40) /* clear entire field */ |
#define REQ_OVL_MODE (KEY_MAX + 41) /* begin overlay mode */ |
#define REQ_INS_MODE (KEY_MAX + 42) /* begin insert mode */ |
#define REQ_SCR_FLINE (KEY_MAX + 43) /* scroll field forward a line */ |
#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 */ |
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#define REQ_VALIDATION (KEY_MAX + 55) /* validate field */ |
#define REQ_NEXT_CHOICE (KEY_MAX + 56) /* display next field choice */ |
#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 */ |
#define MAX_FORM_COMMAND (KEY_MAX + 57) /* used by form_driver */ |
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#if defined(MAX_COMMAND) |
# if (MAX_FORM_COMMAND > MAX_COMMAND) |
# error Something is wrong -- MAX_FORM_COMMAND is greater than MAX_COMMAND |
# elif (MAX_COMMAND != (KEY_MAX + 128)) |
# error Something is wrong -- MAX_COMMAND is already inconsistently defined. |
# endif |
#else |
# define MAX_COMMAND (KEY_MAX + 128) |
#endif |
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/************************* |
* standard field types * |
*************************/ |
extern FIELDTYPE *TYPE_ALPHA, |
*TYPE_ALNUM, |
*TYPE_ENUM, |
*TYPE_INTEGER, |
*TYPE_NUMERIC, |
*TYPE_REGEXP; |
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/************************************ |
* built-in additional field types * |
* They are not defined in SVr4 * |
************************************/ |
extern FIELDTYPE *TYPE_IPV4; /* Internet IP Version 4 address */ |
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/*********************** |
* Default objects * |
***********************/ |
extern FORM *_nc_Default_Form; |
extern FIELD *_nc_Default_Field; |
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/*********************** |
* FIELDTYPE routines * |
***********************/ |
extern FIELDTYPE |
*new_fieldtype( |
bool (* const field_check)(FIELD *,const void *), |
bool (* const char_check)(int,const void *)), |
*link_fieldtype(FIELDTYPE *,FIELDTYPE *); |
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extern int free_fieldtype(FIELDTYPE *), |
set_fieldtype_arg(FIELDTYPE *, |
void * (* const make_arg)(va_list *), |
void * (* const copy_arg)(const void *), |
void (* const free_arg)(void *)), |
set_fieldtype_choice (FIELDTYPE *, |
bool (* const next_choice)(FIELD *,const void *), |
bool (* const prev_choice)(FIELD *,const void *)); |
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/******************* |
* FIELD routines * |
*******************/ |
extern FIELD *new_field(int,int,int,int,int,int), |
*dup_field(FIELD *,int,int), |
*link_field(FIELD *,int,int); |
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extern int free_field(FIELD *), |
field_info(const FIELD *,int *,int *,int *,int *,int *,int *), |
dynamic_field_info(const FIELD *,int *,int *,int *), |
set_max_field( FIELD *,int), |
move_field(FIELD *,int,int), |
set_field_type(FIELD *,FIELDTYPE *,...), |
set_new_page(FIELD *,bool), |
set_field_just(FIELD *,int), |
field_just(const FIELD *), |
set_field_fore(FIELD *,chtype), |
set_field_back(FIELD *,chtype), |
set_field_pad(FIELD *,int), |
field_pad(const FIELD *), |
set_field_buffer(FIELD *,int,const char *), |
set_field_status(FIELD *,bool), |
set_field_userptr(FIELD *, void *), |
set_field_opts(FIELD *,Field_Options), |
field_opts_on(FIELD *,Field_Options), |
field_opts_off(FIELD *,Field_Options); |
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extern chtype field_fore(const FIELD *), |
field_back(const FIELD *); |
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extern bool new_page(const FIELD *), |
field_status(const FIELD *); |
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extern void *field_arg(const FIELD *); |
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extern void *field_userptr(const FIELD *); |
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extern FIELDTYPE |
*field_type(const FIELD *); |
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extern char* field_buffer(const FIELD *,int); |
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extern Field_Options |
field_opts(const FIELD *); |
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/****************** |
* FORM routines * |
******************/ |
extern FORM *new_form(FIELD **); |
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extern FIELD **form_fields(const FORM *), |
*current_field(const FORM *); |
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extern WINDOW *form_win(const FORM *), |
*form_sub(const FORM *); |
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extern Form_Hook |
form_init(const FORM *), |
form_term(const FORM *), |
field_init(const FORM *), |
field_term(const FORM *); |
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extern int free_form(FORM *), |
set_form_fields(FORM *,FIELD **), |
field_count(const FORM *), |
set_form_win(FORM *,WINDOW *), |
set_form_sub(FORM *,WINDOW *), |
set_current_field(FORM *,FIELD *), |
field_index(const FIELD *), |
set_form_page(FORM *,int), |
form_page(const FORM *), |
scale_form(const FORM *,int *,int *), |
set_form_init(FORM *,Form_Hook), |
set_form_term(FORM *,Form_Hook), |
set_field_init(FORM *,Form_Hook), |
set_field_term(FORM *,Form_Hook), |
post_form(FORM *), |
unpost_form(FORM *), |
pos_form_cursor(FORM *), |
form_driver(FORM *,int), |
set_form_userptr(FORM *,void *), |
set_form_opts(FORM *,Form_Options), |
form_opts_on(FORM *,Form_Options), |
form_opts_off(FORM *,Form_Options), |
form_request_by_name(const char *); |
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extern const char |
*form_request_name(int); |
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extern void *form_userptr(const FORM *); |
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extern Form_Options |
form_opts(const FORM *); |
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extern bool data_ahead(const FORM *), |
data_behind(const FORM *); |
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#ifdef __cplusplus |
} |
#endif |
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#endif /* FORM_H */ |