/*************************************************************************** * COPYRIGHT NOTICE * **************************************************************************** * ncurses is copyright (C) 1992-1995 * * Zeyd M. Ben-Halim * * zmbenhal@netcom.com * * Eric S. Raymond * * esr@snark.thyrsus.com * * * * Permission is hereby granted to reproduce and distribute ncurses * * by any means and for any fee, whether alone or as part of a * * larger distribution, in source or in binary form, PROVIDED * * this notice is included with any such distribution, and is not * * removed from any of its header files. Mention of ncurses in any * * applications linked with it is highly appreciated. * * * * ncurses comes AS IS with no warranty, implied or expressed. * * * ***************************************************************************/ #ifndef FORM_H #define FORM_H #include #include #ifdef __cplusplus extern "C" { #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; /* 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; /************** * 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 (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) /* form options */ #define O_NL_OVERLOAD (0x0001) #define O_BS_OVERLOAD (0x0002) /* 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 */ #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 */ #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 */ #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 */ #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 */ #define MIN_FORM_COMMAND (KEY_MAX + 1) /* used by form_driver */ #define MAX_FORM_COMMAND (KEY_MAX + 57) /* used by form_driver */ #if defined(MAX_COMMAND) && (MAX_FORM_COMMAND > MAX_COMMAND) #error Something is wrong -- MAX_FORM_COMMAND is greater than MAX_COMMAND #endif /************************* * standard field types * *************************/ extern FIELDTYPE *TYPE_ALPHA, *TYPE_ALNUM, *TYPE_ENUM, *TYPE_INTEGER, *TYPE_NUMERIC, *TYPE_REGEXP; /*********************** * Default objects * ***********************/ extern FORM *_nc_Default_Form; extern FIELD *_nc_Default_Field; /*********************** * FIELDTYPE routines * ***********************/ extern FIELDTYPE *new_fieldtype( bool (* const field_check)(FIELD *,const void *), bool (* const char_check)(int,const void *)), *link_fieldtype(FIELDTYPE *,FIELDTYPE *); 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 *)); /******************* * FIELD routines * *******************/ extern FIELD *new_field(int,int,int,int,int,int), *dup_field(FIELD *,int,int), *link_field(FIELD *,int,int); 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); extern chtype field_fore(const FIELD *), field_back(const FIELD *); extern bool new_page(const FIELD *), field_status(const FIELD *); extern void *field_arg(const FIELD *), *field_userptr(const FIELD *); extern FIELDTYPE *field_type(const FIELD *); extern char* field_buffer(const FIELD *,int); extern Field_Options field_opts(const FIELD *); /****************** * FORM routines * ******************/ extern FORM *new_form(FIELD **); extern FIELD **form_fields(const FORM *), *current_field(const FORM *); extern WINDOW *form_win(const FORM *), *form_sub(const FORM *); extern Form_Hook form_init(const FORM *), form_term(const FORM *), field_init(const FORM *), field_term(const FORM *); 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); extern void *form_userptr(const FORM *); extern Form_Options form_opts(const FORM *); extern bool data_ahead(const FORM *), data_behind(const FORM *); #ifdef __cplusplus } #endif #endif /* FORM_H */