/* $NetBSD: form.h,v 1.1 2000/12/17 12:04:30 blymn Exp $ */ /*- * Copyright (c) 1998-1999 Brett Lymn * (blymn@baea.com.au, brett_lymn@yahoo.com.au) * All rights reserved. * * This code has been donated to The NetBSD Foundation by the Author. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * */ #ifndef FORM_H #define FORM_H 1 #include #include #include #include /* Define the types of field justification that can be used. */ #define NO_JUSTIFICATION 0 #define JUSTIFY_RIGHT 1 #define JUSTIFY_LEFT 2 #define JUSTIFY_CENTER 3 /* Define the max and min valid justification styles for range checking */ #define MIN_JUST_STYLE NO_JUSTIFICATION #define MAX_JUST_STYLE JUSTIFY_CENTER /* Options for the fields */ typedef unsigned int Form_Options; #define O_VISIBLE 0x001 /* Field is visible */ #define O_ACTIVE 0x002 /* Field is active in the form */ #define O_PUBLIC 0x004 /* The contents entered into the field is echoed */ #define O_EDIT 0x008 /* Can edit the field */ #define O_WRAP 0x010 /* The field contents can line wrap */ #define O_BLANK 0x020 /* Blank the field on modification */ #define O_AUTOSKIP 0x040 /* Skip to next field when current is full */ #define O_NULLOK 0x080 /* Field is allowed to contain no data */ #define O_STATIC 0x100 /* Field is not dynamic */ #define O_PASSOK 0x200 /* ??? */ /* Form driver requests */ #define REQ_MIN_REQUEST 0x100 /* must equal value of the first request */ #define REQ_NEXT_PAGE 0x100 /* next page in form */ #define REQ_PREV_PAGE 0x101 /* previous page in form */ #define REQ_FIRST_PAGE 0x102 /* goto first page in form */ #define REQ_LAST_PAGE 0x103 /* goto last page in form */ #define REQ_NEXT_FIELD 0x104 /* move to the next field */ #define REQ_PREV_FIELD 0x105 /* move to the previous field */ #define REQ_FIRST_FIELD 0x106 /* goto the first field */ #define REQ_LAST_FIELD 0x107 /* goto the last field */ #define REQ_SNEXT_FIELD 0x108 /* move to the next field in sorted order */ #define REQ_SPREV_FIELD 0x109 /* move to the prev field in sorted order */ #define REQ_SFIRST_FIELD 0x10a /* move to the first sorted field */ #define REQ_SLAST_FIELD 0x10b /* move to the last sorted field */ #define REQ_LEFT_FIELD 0x10c /* go left one field */ #define REQ_RIGHT_FIELD 0x10d /* go right one field */ #define REQ_UP_FIELD 0x10e /* go up one field */ #define REQ_DOWN_FIELD 0x10f /* go down one field */ #define REQ_NEXT_CHAR 0x110 /* move to the next char in field */ #define REQ_PREV_CHAR 0x111 /* move to the previous char in field */ #define REQ_NEXT_LINE 0x112 /* go to the next line in the field */ #define REQ_PREV_LINE 0x113 /* go to the previous line in the field */ #define REQ_NEXT_WORD 0x114 /* go to the next word in the field */ #define REQ_PREV_WORD 0x115 /* go to the previous word in the field */ #define REQ_BEG_FIELD 0x116 /* go to the beginning of the field */ #define REQ_END_FIELD 0x117 /* go to the end of the field */ #define REQ_BEG_LINE 0x118 /* go to the beginning of the line */ #define REQ_END_LINE 0x119 /* go to the end of the line */ #define REQ_LEFT_CHAR 0x11a /* move left in the field */ #define REQ_RIGHT_CHAR 0x11b /* move right in the field */ #define REQ_UP_CHAR 0x11c /* move up in the field */ #define REQ_DOWN_CHAR 0x11d /* move down in the field */ #define REQ_NEW_LINE 0x11e /* insert/overlay a new line */ #define REQ_INS_CHAR 0x11f /* insert a blank char at the cursor */ #define REQ_INS_LINE 0x120 /* insert a blank line at the cursor */ #define REQ_DEL_CHAR 0x121 /* delete the current character */ #define REQ_DEL_PREV 0x122 /* delete the character before the current */ #define REQ_DEL_LINE 0x123 /* delete the current line */ #define REQ_DEL_WORD 0x124 /* delete the word at the cursor */ #define REQ_CLR_EOL 0x125 /* clear to the end of the line */ #define REQ_CLR_EOF 0x126 /* clear to the end of the field */ #define REQ_CLR_FIELD 0x127 /* clear the field */ #define REQ_OVL_MODE 0x128 /* overlay mode */ #define REQ_INS_MODE 0x129 /* insert mode */ #define REQ_SCR_FLINE 0x12a /* scroll field forward one line */ #define REQ_SCR_BLINE 0x12b /* scroll field backward one line */ #define REQ_SCR_FPAGE 0x12c /* scroll field forward one page */ #define REQ_SCR_BPAGE 0x12d /* scroll field backward one page */ #define REQ_SCR_FHPAGE 0x12e /* scroll field forward half a page */ #define REQ_SCR_BHPAGE 0x12f /* scroll field backward half a page */ #define REQ_SCR_FCHAR 0x130 /* horizontal scroll forward a character */ #define REQ_SCR_BCHAR 0x131 /* horizontal scroll backward a character */ #define REQ_SCR_HFLINE 0x132 /* horizontal scroll forward a line */ #define REQ_SCR_HBLINE 0x133 /* horizontal scroll backward a line */ #define REQ_SCR_HFHALF 0x134 /* horizontal scroll forward half a line */ #define REQ_SCR_HBHALF 0x135 /* horizontal scroll backward half a line */ #define REQ_VALIDATION 0x136 /* validate the field */ #define REQ_PREV_CHOICE 0x137 /* display previous field choice */ #define REQ_NEXT_CHOICE 0x138 /* display next field choice */ #define REQ_MAX_COMMAND 0x138 /* must match the last driver command */ typedef struct _form_string { size_t allocated; unsigned int length; char *string; } FORM_STR; typedef struct _form_field FIELD; typedef struct _form_struct FORM; typedef struct _form_fieldtype FIELDTYPE; typedef struct _formi_page_struct _FORMI_PAGE_START; typedef struct formi_type_link_struct _FORMI_TYPE_LINK; typedef void (*Form_Hook)(FORM *); /* definition of a field in the form */ struct _form_field { unsigned int rows; /* rows in the field */ unsigned int cols; /* columns in the field */ unsigned int drows; /* dynamic rows */ unsigned int dcols; /* dynamic columns */ unsigned int max; /* maximum growth */ unsigned int form_row; /* starting row in the form subwindow */ unsigned int form_col; /* starting column in the form subwindow */ unsigned int nrows; /* number of off screen rows */ int index; /* index of this field in form fields array. */ int nbuf; /* number of buffers associated with this field */ int buf0_status; /* set to true if buffer 0 has changed. */ int justification; /* justification style of the field */ int overlay; /* set to true if field is in overlay mode */ unsigned int start_char; /* starting char in string (horiz scroll) */ unsigned int start_line; /* starting line in field (vert scroll) */ unsigned int hscroll; /* amount of horizontal scroll... */ unsigned int row_count; /* number of rows actually used in field */ unsigned int cursor_xpos; /* x pos of cursor in field */ unsigned int cursor_ypos; /* y pos of cursor in field */ short page_break; /* start of a new page on the form if 1 */ short page; /* number of the page this field is on */ chtype fore; /* character attributes for the foreground */ chtype back; /* character attributes for the background */ int pad; /* padding character */ Form_Options opts; /* options for the field */ FORM *parent; /* the form this field is bound to, if any */ FIELD *up; /* field above this one */ FIELD *down; /* field below this one */ FIELD *left; /* field to the left of this one */ FIELD *right; /* field to the right of this one */ void *userptr; /* user defined pointer. */ FIELD *link; /* used if fields are linked */ FIELDTYPE *type; /* type struct for the field */ CIRCLEQ_ENTRY(_form_field) glue; /* circle queue glue for sorting fields */ char *args; /* args for field type. */ FORM_STR *buffers; /* array of buffers for the field */ }; /* define the types of fields we can have */ extern FIELDTYPE *TYPE_ALNUM; extern FIELDTYPE *TYPE_ALPHA; extern FIELDTYPE *TYPE_ENUM; extern FIELDTYPE *TYPE_INTEGER; extern FIELDTYPE *TYPE_NUMERIC; extern FIELDTYPE *TYPE_REGEXP; extern FIELDTYPE *TYPE_USER; /* definition of a field type. */ struct _form_fieldtype { unsigned flags; /* status of the type */ unsigned refcount; /* in use if > 0 */ _FORMI_TYPE_LINK *link; /* set if this type is linked */ char *args; char * (*make_args)(va_list *); /* make the args for the type */ char * (*copy_args)(char *); /* copy the args for the type */ void (*free_args)(char *); /* free storage used by the args */ int (*field_check)(FIELD *, char *); /* field validation routine */ int (*char_check)(int, char *); /* char validation routine */ int (*next_choice)(FIELD *, char *); /* function to select next choice */ int (*prev_choice)(FIELD *, char *); /* function to select prev choice */ }; /*definition of a form */ struct _form_struct { int in_init; /* true if performing a init or term function */ int posted; /* the form is posted */ WINDOW *win; /* window for the form */ WINDOW *subwin; /* subwindow for the form */ void *userptr; /* user defined pointer */ Form_Options opts; /* options for the form */ Form_Hook form_init; /* function called when form posted and after page change */ Form_Hook form_term; /* function called when form is unposted and before page change */ Form_Hook field_init; /* function called when form posted and after current field changes */ Form_Hook field_term; /* function called when form unposted and before current field changes */ int field_count; /* number of fields attached */ int cur_field; /* current field */ int page; /* current page of form */ int max_page; /* number of pages in the form */ int subwin_created; /* libform made the window */ _FORMI_PAGE_START *page_starts; /* dynamic array of fields that start the pages */ CIRCLEQ_HEAD(_formi_sort_head, _form_field) sorted_fields; /* sorted field list */ FIELD **fields; /* array of fields attached to this form. */ }; /* Public function prototypes. */ __BEGIN_DECLS FIELD *current_field(FORM *); int data_ahead(FORM *); int data_behind(FORM *); FIELD *dup_field(FIELD *, int, int); int dynamic_field_info(FIELD *, int *, int *, int *); char *field_arg(FIELD *); chtype field_back(FIELD *); char *field_buffer(FIELD *, int); int field_count(FORM *); chtype field_fore(FIELD *); int field_index(FIELD *); int field_info __P((FIELD *, int *, int *, int *, int *, int *, int *)); Form_Hook field_init(FORM *); int field_just(FIELD *); Form_Options field_opts(FIELD *); int field_opts_off(FIELD *, Form_Options); int field_opts_on(FIELD *, Form_Options); int field_pad(FIELD *); int field_status(FIELD *); Form_Hook field_term(FORM *); FIELDTYPE *field_type(FIELD *); char *field_userptr(FIELD *); int form_driver(FORM *, int); FIELD **form_fields(FORM *); Form_Hook form_init(FORM *); Form_Options form_opts(FORM *); int form_opts_off(FORM *, Form_Options); int form_opts_on(FORM *, Form_Options); int form_page(FORM *); WINDOW *form_sub(FORM *); Form_Hook form_term(FORM *); char *form_userptr(FORM *); WINDOW *form_win(FORM *); int free_field(FIELD *); int free_fieldtype(FIELDTYPE *); int free_form(FORM *); FIELD *link_field(FIELD *, int, int); FIELDTYPE *link_fieldtype(FIELDTYPE *, FIELDTYPE *); int move_field(FIELD *, int, int); FIELD *new_field(int, int, int, int, int, int); FIELDTYPE *new_fieldtype(int (* field_check)(FIELD *, char *), int (* char_check)(int, char *)); FORM *new_form(FIELD **); int new_page(FIELD *); int pos_form_cursor(FORM *); int post_form(FORM *); int scale_form(FORM *, int *, int *); int set_current_field(FORM *, FIELD *); int set_field_back(FIELD *, chtype); int set_field_buffer(FIELD *, int, char *); int set_field_fore(FIELD *, chtype); int set_field_init(FORM *, Form_Hook); int set_field_just(FIELD *, int); int set_field_opts(FIELD *, Form_Options); int set_field_pad(FIELD *, int); int set_field_status(FIELD *, int); int set_field_term(FORM *, Form_Hook); int set_field_type(FIELD *, FIELDTYPE *, ...); int set_field_userptr(FIELD *, char *); int set_fieldtype_arg(FIELDTYPE *, char *(*)(va_list *), char *(*)(char *), void (*)(char *)); int set_fieldtype_choice(FIELDTYPE *, int (*)(FIELD *, char *), int (*)(FIELD *, char *)); int set_form_fields(FORM *, FIELD **); int set_form_init(FORM *, Form_Hook); int set_form_opts(FORM *, Form_Options); int set_form_page(FORM *, int); int set_form_sub(FORM *, WINDOW *); int set_form_term(FORM *, Form_Hook); int set_form_userptr(FORM *, char *); int set_form_win(FORM *, WINDOW *); int set_max_field(FIELD *, int); int set_new_page(FIELD *, int); int unpost_form(FORM *); __END_DECLS #endif FORM_H