1 /*-----------------------------------------------------------------------------+
2 | The ncurses form library is Copyright (C) 1995-1997 |
3 | by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
4 | All Rights Reserved. |
6 | Permission to use, copy, modify, and distribute this software and its |
7 | documentation for any purpose and without fee is hereby granted, provided |
8 | that the above copyright notice appear in all copies and that both that |
9 | copyright notice and this permission notice appear in supporting |
10 | documentation, and that the name of the above listed copyright holder(s) not |
11 | be used in advertising or publicity pertaining to distribution of the |
12 | software without specific, written prior permission. |
14 | THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
15 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
16 | NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
17 | ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
18 | SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
19 | NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
20 | THE USE OR PERFORMANCE OF THIS SOFTWARE. |
21 +-----------------------------------------------------------------------------*/
33 typedef int Form_Options;
34 typedef int Field_Options;
41 short pmin; /* index of first field on page */
42 short pmax; /* index of last field on page */
43 short smin; /* index of top leftmost field on page */
44 short smax; /* index of bottom rightmost field on page */
51 typedef struct fieldnode {
52 unsigned short status; /* flags */
53 short rows; /* size in rows */
54 short cols; /* size in cols */
55 short frow; /* first row */
56 short fcol; /* first col */
57 int drows; /* dynamic rows */
58 int dcols; /* dynamic cols */
59 int maxgrow; /* maximum field growth */
60 int nrow; /* offscreen rows */
61 short nbuf; /* additional buffers */
62 short just; /* justification */
63 short page; /* page on form */
64 short index; /* into form -> field */
65 int pad; /* pad character */
66 chtype fore; /* foreground attribute */
67 chtype back; /* background attribute */
68 Field_Options opts; /* options */
69 struct fieldnode * snext; /* sorted order pointer */
70 struct fieldnode * sprev; /* sorted order pointer */
71 struct fieldnode * link; /* linked field chain */
72 struct formnode * form; /* containing form */
73 struct typenode * type; /* field type */
74 void * arg; /* argument for type */
75 char * buf; /* field buffers */
76 const void * usrptr; /* user pointer */
83 typedef struct typenode {
84 unsigned short status; /* flags */
85 long ref; /* reference count */
86 struct typenode * left; /* ptr to operand for | */
87 struct typenode * right; /* ptr to operand for | */
89 void* (*makearg)(va_list *); /* make fieldtype arg */
90 void* (*copyarg)(const void *); /* copy fieldtype arg */
91 void (*freearg)(void *); /* free fieldtype arg */
93 bool (*fcheck)(FIELD *,const void *); /* field validation */
94 bool (*ccheck)(int,const void *); /* character validation */
96 bool (*next)(FIELD *,const void *); /* enumerate next value */
97 bool (*prev)(FIELD *,const void *); /* enumerate prev value */
105 typedef struct formnode {
106 unsigned short status; /* flags */
107 short rows; /* size in rows */
108 short cols; /* size in cols */
109 int currow; /* current row in field window*/
110 int curcol; /* current col in field window*/
111 int toprow; /* in scrollable field window */
112 int begincol; /* in horiz. scrollable field */
113 short maxfield; /* number of fields */
114 short maxpage; /* number of pages */
115 short curpage; /* index into page */
116 Form_Options opts; /* options */
117 WINDOW * win; /* window */
118 WINDOW * sub; /* subwindow */
119 WINDOW * w; /* window for current field */
120 FIELD ** field; /* field [maxfield] */
121 FIELD * current; /* current field */
122 _PAGE * page; /* page [maxpage] */
123 const void * usrptr; /* user pointer */
125 void (*forminit)(struct formnode *);
126 void (*formterm)(struct formnode *);
127 void (*fieldinit)(struct formnode *);
128 void (*fieldterm)(struct formnode *);
132 typedef void (*Form_Hook)(FORM *);
134 /***************************
135 * miscellaneous #defines *
136 ***************************/
138 /* field justification */
139 #define NO_JUSTIFICATION (0)
140 #define JUSTIFY_LEFT (1)
141 #define JUSTIFY_CENTER (2)
142 #define JUSTIFY_RIGHT (3)
145 #define O_VISIBLE (0x0001)
146 #define O_ACTIVE (0x0002)
147 #define O_PUBLIC (0x0004)
148 #define O_EDIT (0x0008)
149 #define O_WRAP (0x0010)
150 #define O_BLANK (0x0020)
151 #define O_AUTOSKIP (0x0040)
152 #define O_NULLOK (0x0080)
153 #define O_PASSOK (0x0100)
154 #define O_STATIC (0x0200)
157 #define O_NL_OVERLOAD (0x0001)
158 #define O_BS_OVERLOAD (0x0002)
160 /* form driver commands */
161 #define REQ_NEXT_PAGE (KEY_MAX + 1) /* move to next page */
162 #define REQ_PREV_PAGE (KEY_MAX + 2) /* move to previous page */
163 #define REQ_FIRST_PAGE (KEY_MAX + 3) /* move to first page */
164 #define REQ_LAST_PAGE (KEY_MAX + 4) /* move to last page */
166 #define REQ_NEXT_FIELD (KEY_MAX + 5) /* move to next field */
167 #define REQ_PREV_FIELD (KEY_MAX + 6) /* move to previous field */
168 #define REQ_FIRST_FIELD (KEY_MAX + 7) /* move to first field */
169 #define REQ_LAST_FIELD (KEY_MAX + 8) /* move to last field */
170 #define REQ_SNEXT_FIELD (KEY_MAX + 9) /* move to sorted next field */
171 #define REQ_SPREV_FIELD (KEY_MAX + 10) /* move to sorted prev field */
172 #define REQ_SFIRST_FIELD (KEY_MAX + 11) /* move to sorted first field */
173 #define REQ_SLAST_FIELD (KEY_MAX + 12) /* move to sorted last field */
174 #define REQ_LEFT_FIELD (KEY_MAX + 13) /* move to left to field */
175 #define REQ_RIGHT_FIELD (KEY_MAX + 14) /* move to right to field */
176 #define REQ_UP_FIELD (KEY_MAX + 15) /* move to up to field */
177 #define REQ_DOWN_FIELD (KEY_MAX + 16) /* move to down to field */
179 #define REQ_NEXT_CHAR (KEY_MAX + 17) /* move to next char in field */
180 #define REQ_PREV_CHAR (KEY_MAX + 18) /* move to prev char in field */
181 #define REQ_NEXT_LINE (KEY_MAX + 19) /* move to next line in field */
182 #define REQ_PREV_LINE (KEY_MAX + 20) /* move to prev line in field */
183 #define REQ_NEXT_WORD (KEY_MAX + 21) /* move to next word in field */
184 #define REQ_PREV_WORD (KEY_MAX + 22) /* move to prev word in field */
185 #define REQ_BEG_FIELD (KEY_MAX + 23) /* move to first char in field */
186 #define REQ_END_FIELD (KEY_MAX + 24) /* move after last char in fld */
187 #define REQ_BEG_LINE (KEY_MAX + 25) /* move to beginning of line */
188 #define REQ_END_LINE (KEY_MAX + 26) /* move after last char in line */
189 #define REQ_LEFT_CHAR (KEY_MAX + 27) /* move left in field */
190 #define REQ_RIGHT_CHAR (KEY_MAX + 28) /* move right in field */
191 #define REQ_UP_CHAR (KEY_MAX + 29) /* move up in field */
192 #define REQ_DOWN_CHAR (KEY_MAX + 30) /* move down in field */
194 #define REQ_NEW_LINE (KEY_MAX + 31) /* insert/overlay new line */
195 #define REQ_INS_CHAR (KEY_MAX + 32) /* insert blank char at cursor */
196 #define REQ_INS_LINE (KEY_MAX + 33) /* insert blank line at cursor */
197 #define REQ_DEL_CHAR (KEY_MAX + 34) /* delete char at cursor */
198 #define REQ_DEL_PREV (KEY_MAX + 35) /* delete char before cursor */
199 #define REQ_DEL_LINE (KEY_MAX + 36) /* delete line at cursor */
200 #define REQ_DEL_WORD (KEY_MAX + 37) /* delete line at cursor */
201 #define REQ_CLR_EOL (KEY_MAX + 38) /* clear to end of line */
202 #define REQ_CLR_EOF (KEY_MAX + 39) /* clear to end of field */
203 #define REQ_CLR_FIELD (KEY_MAX + 40) /* clear entire field */
204 #define REQ_OVL_MODE (KEY_MAX + 41) /* begin overlay mode */
205 #define REQ_INS_MODE (KEY_MAX + 42) /* begin insert mode */
206 #define REQ_SCR_FLINE (KEY_MAX + 43) /* scroll field forward a line */
207 #define REQ_SCR_BLINE (KEY_MAX + 44) /* scroll field backward a line */
208 #define REQ_SCR_FPAGE (KEY_MAX + 45) /* scroll field forward a page */
209 #define REQ_SCR_BPAGE (KEY_MAX + 46) /* scroll field backward a page */
210 #define REQ_SCR_FHPAGE (KEY_MAX + 47) /* scroll field forward half page */
211 #define REQ_SCR_BHPAGE (KEY_MAX + 48) /* scroll field backward half page */
212 #define REQ_SCR_FCHAR (KEY_MAX + 49) /* horizontal scroll char */
213 #define REQ_SCR_BCHAR (KEY_MAX + 50) /* horizontal scroll char */
214 #define REQ_SCR_HFLINE (KEY_MAX + 51) /* horizontal scroll line */
215 #define REQ_SCR_HBLINE (KEY_MAX + 52) /* horizontal scroll line */
216 #define REQ_SCR_HFHALF (KEY_MAX + 53) /* horizontal scroll half line */
217 #define REQ_SCR_HBHALF (KEY_MAX + 54) /* horizontal scroll half line */
219 #define REQ_VALIDATION (KEY_MAX + 55) /* validate field */
220 #define REQ_NEXT_CHOICE (KEY_MAX + 56) /* display next field choice */
221 #define REQ_PREV_CHOICE (KEY_MAX + 57) /* display prev field choice */
223 #define MIN_FORM_COMMAND (KEY_MAX + 1) /* used by form_driver */
224 #define MAX_FORM_COMMAND (KEY_MAX + 57) /* used by form_driver */
226 #if defined(MAX_COMMAND)
227 # if (MAX_FORM_COMMAND > MAX_COMMAND)
228 # error Something is wrong -- MAX_FORM_COMMAND is greater than MAX_COMMAND
229 # elif (MAX_COMMAND != (KEY_MAX + 128))
230 # error Something is wrong -- MAX_COMMAND is already inconsistently defined.
233 # define MAX_COMMAND (KEY_MAX + 128)
236 /*************************
237 * standard field types *
238 *************************/
239 extern FIELDTYPE *TYPE_ALPHA,
246 /************************************
247 * built-in additional field types *
248 * They are not defined in SVr4 *
249 ************************************/
250 extern FIELDTYPE *TYPE_IPV4; /* Internet IP Version 4 address */
252 /***********************
254 ***********************/
255 extern FORM *_nc_Default_Form;
256 extern FIELD *_nc_Default_Field;
259 /***********************
260 * FIELDTYPE routines *
261 ***********************/
264 bool (* const field_check)(FIELD *,const void *),
265 bool (* const char_check)(int,const void *)),
266 *link_fieldtype(FIELDTYPE *,FIELDTYPE *);
268 extern int free_fieldtype(FIELDTYPE *),
269 set_fieldtype_arg(FIELDTYPE *,
270 void * (* const make_arg)(va_list *),
271 void * (* const copy_arg)(const void *),
272 void (* const free_arg)(void *)),
273 set_fieldtype_choice (FIELDTYPE *,
274 bool (* const next_choice)(FIELD *,const void *),
275 bool (* const prev_choice)(FIELD *,const void *));
280 extern FIELD *new_field(int,int,int,int,int,int),
281 *dup_field(FIELD *,int,int),
282 *link_field(FIELD *,int,int);
284 extern int free_field(FIELD *),
285 field_info(const FIELD *,int *,int *,int *,int *,int *,int *),
286 dynamic_field_info(const FIELD *,int *,int *,int *),
287 set_max_field( FIELD *,int),
288 move_field(FIELD *,int,int),
289 set_field_type(FIELD *,FIELDTYPE *,...),
290 set_new_page(FIELD *,bool),
291 set_field_just(FIELD *,int),
292 field_just(const FIELD *),
293 set_field_fore(FIELD *,chtype),
294 set_field_back(FIELD *,chtype),
295 set_field_pad(FIELD *,int),
296 field_pad(const FIELD *),
297 set_field_buffer(FIELD *,int,const char *),
298 set_field_status(FIELD *,bool),
299 set_field_userptr(FIELD *,const void *),
300 set_field_opts(FIELD *,Field_Options),
301 field_opts_on(FIELD *,Field_Options),
302 field_opts_off(FIELD *,Field_Options);
304 extern chtype field_fore(const FIELD *),
305 field_back(const FIELD *);
307 extern bool new_page(const FIELD *),
308 field_status(const FIELD *);
310 extern void *field_arg(const FIELD *);
313 *field_userptr(const FIELD *);
316 *field_type(const FIELD *);
318 extern char* field_buffer(const FIELD *,int);
321 field_opts(const FIELD *);
326 extern FORM *new_form(FIELD **);
328 extern FIELD **form_fields(const FORM *),
329 *current_field(const FORM *);
331 extern WINDOW *form_win(const FORM *),
332 *form_sub(const FORM *);
335 form_init(const FORM *),
336 form_term(const FORM *),
337 field_init(const FORM *),
338 field_term(const FORM *);
340 extern int free_form(FORM *),
341 set_form_fields(FORM *,FIELD **),
342 field_count(const FORM *),
343 set_form_win(FORM *,WINDOW *),
344 set_form_sub(FORM *,WINDOW *),
345 set_current_field(FORM *,FIELD *),
346 field_index(const FIELD *),
347 set_form_page(FORM *,int),
348 form_page(const FORM *),
349 scale_form(const FORM *,int *,int *),
350 set_form_init(FORM *,Form_Hook),
351 set_form_term(FORM *,Form_Hook),
352 set_field_init(FORM *,Form_Hook),
353 set_field_term(FORM *,Form_Hook),
356 pos_form_cursor(FORM *),
357 form_driver(FORM *,int),
358 set_form_userptr(FORM *,const void *),
359 set_form_opts(FORM *,Form_Options),
360 form_opts_on(FORM *,Form_Options),
361 form_opts_off(FORM *,Form_Options),
362 form_request_by_name(const char *);
365 *form_request_name(int);
368 *form_userptr(const FORM *);
371 form_opts(const FORM *);
373 extern bool data_ahead(const FORM *),
374 data_behind(const FORM *);