| /**************************************************************************** |
| * Copyright (c) 1998-2004,2009 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 0.21 2009/11/07 19:31:11 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; |
| |
| |
| /********* |
| * 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; |
| |
| |
| /************** |
| * 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 */ |
| |
| #if NCURSES_INTEROP_FUNCS |
| union { |
| bool (*ofcheck)(FIELD *,const void *); /* field validation */ |
| bool (*gfcheck)(FORM*,FIELD *,const void*); /* generic field validation */ |
| } fieldcheck; |
| union { |
| bool (*occheck)(int,const void *); /* character validation */ |
| bool (*gccheck)(int,FORM*, |
| FIELD*,const void*); /* generic char validation */ |
| } charcheck; |
| union { |
| bool (*onext)(FIELD *,const void *); /* enumerate next value */ |
| bool (*gnext)(FORM*,FIELD*,const void*); /* generic enumerate next */ |
| } enum_next; |
| union { |
| bool (*oprev)(FIELD *,const void *); /* enumerate prev value */ |
| bool (*gprev)(FORM*,FIELD*,const void*); /* generic enumerate prev */ |
| } enum_prev; |
| void* (*genericarg)(void*); /* Alternate Arg method */ |
| #else |
| 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 */ |
| #endif |
| } FIELDTYPE; |
| |
| 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 */ |
| #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 word 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) |
| # 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 |
| |
| /************************* |
| * standard field types * |
| *************************/ |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALPHA; |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ALNUM; |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_ENUM; |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_INTEGER; |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_NUMERIC; |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_REGEXP; |
| |
| /************************************ |
| * built-in additional field types * |
| * They are not defined in SVr4 * |
| ************************************/ |
| extern NCURSES_EXPORT_VAR(FIELDTYPE *) TYPE_IPV4; /* Internet IP Version 4 address */ |
| |
| /*********************** |
| * FIELDTYPE routines * |
| ***********************/ |
| extern NCURSES_EXPORT(FIELDTYPE *) new_fieldtype ( |
| bool (* const field_check)(FIELD *,const void *), |
| bool (* const char_check)(int,const void *)); |
| extern NCURSES_EXPORT(FIELDTYPE *) link_fieldtype( |
| FIELDTYPE *, FIELDTYPE *); |
| |
| extern NCURSES_EXPORT(int) free_fieldtype (FIELDTYPE *); |
| extern NCURSES_EXPORT(int) set_fieldtype_arg (FIELDTYPE *, |
| void * (* const make_arg)(va_list *), |
| void * (* const copy_arg)(const void *), |
| void (* const free_arg)(void *)); |
| extern NCURSES_EXPORT(int) set_fieldtype_choice (FIELDTYPE *, |
| bool (* const next_choice)(FIELD *,const void *), |
| bool (* const prev_choice)(FIELD *,const void *)); |
| |
| /******************* |
| * FIELD routines * |
| *******************/ |
| extern NCURSES_EXPORT(FIELD *) new_field (int,int,int,int,int,int); |
| extern NCURSES_EXPORT(FIELD *) dup_field (FIELD *,int,int); |
| extern NCURSES_EXPORT(FIELD *) link_field (FIELD *,int,int); |
| |
| extern NCURSES_EXPORT(int) free_field (FIELD *); |
| extern NCURSES_EXPORT(int) field_info (const FIELD *,int *,int *,int *,int *,int *,int *); |
| extern NCURSES_EXPORT(int) dynamic_field_info (const FIELD *,int *,int *,int *); |
| extern NCURSES_EXPORT(int) set_max_field ( FIELD *,int); |
| extern NCURSES_EXPORT(int) move_field (FIELD *,int,int); |
| extern NCURSES_EXPORT(int) set_field_type (FIELD *,FIELDTYPE *,...); |
| extern NCURSES_EXPORT(int) set_new_page (FIELD *,bool); |
| extern NCURSES_EXPORT(int) set_field_just (FIELD *,int); |
| extern NCURSES_EXPORT(int) field_just (const FIELD *); |
| extern NCURSES_EXPORT(int) set_field_fore (FIELD *,chtype); |
| extern NCURSES_EXPORT(int) set_field_back (FIELD *,chtype); |
| extern NCURSES_EXPORT(int) set_field_pad (FIELD *,int); |
| extern NCURSES_EXPORT(int) field_pad (const FIELD *); |
| extern NCURSES_EXPORT(int) set_field_buffer (FIELD *,int,const char *); |
| extern NCURSES_EXPORT(int) set_field_status (FIELD *,bool); |
| extern NCURSES_EXPORT(int) set_field_userptr (FIELD *, void *); |
| extern NCURSES_EXPORT(int) set_field_opts (FIELD *,Field_Options); |
| extern NCURSES_EXPORT(int) field_opts_on (FIELD *,Field_Options); |
| extern NCURSES_EXPORT(int) field_opts_off (FIELD *,Field_Options); |
| |
| extern NCURSES_EXPORT(chtype) field_fore (const FIELD *); |
| extern NCURSES_EXPORT(chtype) field_back (const FIELD *); |
| |
| extern NCURSES_EXPORT(bool) new_page (const FIELD *); |
| extern NCURSES_EXPORT(bool) field_status (const FIELD *); |
| |
| extern NCURSES_EXPORT(void *) field_arg (const FIELD *); |
| |
| extern NCURSES_EXPORT(void *) field_userptr (const FIELD *); |
| |
| extern NCURSES_EXPORT(FIELDTYPE *) field_type (const FIELD *); |
| |
| extern NCURSES_EXPORT(char *) field_buffer (const FIELD *,int); |
| |
| extern NCURSES_EXPORT(Field_Options) field_opts (const FIELD *); |
| |
| /****************** |
| * 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 */ |
