/[LeafOK_CVS]/lbbs/src/menu.c
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Contents of /lbbs/src/menu.c

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Revision 1.17 - (show annotations)
Fri May 6 15:48:44 2005 UTC (20 years, 10 months ago) by sysadm
Branch: MAIN
Changes since 1.16: +10 -8 lines
Content type: text/x-csrc
*** empty log message ***

1 /***************************************************************************
2 menu.c - description
3 -------------------
4 begin : Wed Mar 16 2004
5 copyright : (C) 2005 by Leaflet
6 email : leaflet@leafok.com
7 ***************************************************************************/
8
9 /***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18 #include "bbs.h"
19 #include "bbs_cmd.h"
20 #include "menu.h"
21 #include "io.h"
22 #include "common.h"
23 #include <stdio.h>
24 #include <ctype.h>
25 #include <regex.h>
26 #include <stdlib.h>
27
28 MENU_SET bbs_menu;
29
30 int
31 load_menu (MENU_SET * p_menu_set, const char *conf_file)
32 {
33 FILE *fin, *fout;
34 int i = 0, j;
35 char buffer[256], screen_filename[256], temp[256];
36 regmatch_t pmatch[10];
37
38 if ((fin = fopen (conf_file, "r")) == NULL)
39 {
40 log_error ("Open %s failed", conf_file);
41 return -1;
42 }
43
44 while (fgets (buffer, 255, fin))
45 {
46 switch (buffer[0])
47 {
48 case '#':
49 break;
50 case '%':
51 if (ireg ("^%S_([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
52 {
53 strncpy (temp, buffer + pmatch[1].rm_so,
54 pmatch[1].rm_eo - pmatch[1].rm_so);
55 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
56 sprintf (screen_filename, "%sMENU_SCR_%s", app_temp_dir, temp);
57
58 if ((fout = fopen (screen_filename, "w")) == NULL)
59 {
60 log_error ("Open %s failed", screen_filename);
61 return -2;
62 }
63
64 while (fgets (buffer, 255, fin))
65 {
66 if (buffer[0] != '%')
67 fputs (buffer, fout);
68 else
69 break;
70 }
71
72 fclose (fout);
73 break;
74 }
75
76 if (ireg ("^%menu ([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
77 {
78 p_menu_set->p_menu[i] = malloc (sizeof (MENU));
79 p_menu_set->p_menu[i]->title.show = 0;
80 p_menu_set->p_menu[i]->screen.show = 0;
81
82 strncpy (p_menu_set->p_menu[i]->name,
83 buffer + pmatch[1].rm_so,
84 pmatch[1].rm_eo - pmatch[1].rm_so);
85 p_menu_set->p_menu[i]->name[pmatch[1].rm_eo - pmatch[1].rm_so] =
86 '\0';
87
88 j = 0;
89
90 while (fgets (buffer, 255, fin))
91 {
92 if (buffer[0] == '#')
93 {
94 continue;
95 }
96 if (buffer[0] == '%')
97 {
98 p_menu_set->p_menu[i]->item_count = j;
99 p_menu_set->p_menu[i]->item_cur_pos = 0;
100 i++;
101 break;
102 }
103 if (ireg ("^!([A-Za-z0-9_.]+)[[:space:]]*([0-9]+),"
104 "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
105 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
106 "[[:space:]]*\"([^\"]+)\"",
107 buffer, 8, pmatch) == 0)
108 {
109 p_menu_set->p_menu[i]->items[j] =
110 malloc (sizeof (MENU_ITEM));
111 p_menu_set->p_menu[i]->items[j]->submenu = 1;
112 strncpy (p_menu_set->p_menu[i]->items[j]->action,
113 buffer + pmatch[1].rm_so,
114 pmatch[1].rm_eo - pmatch[1].rm_so);
115 p_menu_set->p_menu[i]->items[j]->action[pmatch[1].
116 rm_eo -
117 pmatch[1].
118 rm_so] = '\0';
119 strncpy (temp, buffer + pmatch[2].rm_so,
120 pmatch[2].rm_eo - pmatch[2].rm_so);
121 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
122 p_menu_set->p_menu[i]->items[j]->row = atoi (temp);
123 strncpy (temp,
124 buffer + pmatch[3].rm_so,
125 pmatch[3].rm_eo - pmatch[3].rm_so);
126 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
127 p_menu_set->p_menu[i]->items[j]->col = atoi (temp);
128 strncpy (temp,
129 buffer + pmatch[4].rm_so,
130 pmatch[4].rm_eo - pmatch[4].rm_so);
131 temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
132 p_menu_set->p_menu[i]->items[j]->priv = atoi (temp);
133 strncpy (temp,
134 buffer + pmatch[5].rm_so,
135 pmatch[5].rm_eo - pmatch[5].rm_so);
136 temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
137 p_menu_set->p_menu[i]->items[j]->level = atoi (temp);
138 strncpy (p_menu_set->p_menu[i]->items[j]->name,
139 buffer + pmatch[6].rm_so,
140 pmatch[6].rm_eo - pmatch[6].rm_so);
141 p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
142 pmatch[6].rm_so] =
143 '\0';
144 strncpy (p_menu_set->p_menu[i]->items[j]->text,
145 buffer + pmatch[7].rm_so,
146 pmatch[7].rm_eo - pmatch[7].rm_so);
147 p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
148 pmatch[7].rm_so] =
149 '\0';
150 j++;
151 continue;
152 }
153 if (ireg ("^@([A-Za-z0-9_]+)[[:space:]]*([0-9]+),"
154 "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
155 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
156 "[[:space:]]*\"([^\"]+)\"",
157 buffer, 8, pmatch) == 0)
158 {
159 p_menu_set->p_menu[i]->items[j] =
160 malloc (sizeof (MENU_ITEM));
161 p_menu_set->p_menu[i]->items[j]->submenu = 0;
162 strncpy (p_menu_set->p_menu[i]->items[j]->action,
163 buffer + pmatch[1].rm_so,
164 pmatch[1].rm_eo - pmatch[1].rm_so);
165 p_menu_set->p_menu[i]->items[j]->action[pmatch[1].
166 rm_eo -
167 pmatch[1].
168 rm_so] = '\0';
169 strncpy (temp, buffer + pmatch[2].rm_so,
170 pmatch[2].rm_eo - pmatch[2].rm_so);
171 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
172 p_menu_set->p_menu[i]->items[j]->row = atoi (temp);
173 strncpy (temp,
174 buffer + pmatch[3].rm_so,
175 pmatch[3].rm_eo - pmatch[3].rm_so);
176 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
177 p_menu_set->p_menu[i]->items[j]->col = atoi (temp);
178 strncpy (temp,
179 buffer + pmatch[4].rm_so,
180 pmatch[4].rm_eo - pmatch[4].rm_so);
181 temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
182 p_menu_set->p_menu[i]->items[j]->priv = atoi (temp);
183 strncpy (temp,
184 buffer + pmatch[5].rm_so,
185 pmatch[5].rm_eo - pmatch[5].rm_so);
186 temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
187 p_menu_set->p_menu[i]->items[j]->level = atoi (temp);
188 strncpy (p_menu_set->p_menu[i]->items[j]->name,
189 buffer + pmatch[6].rm_so,
190 pmatch[6].rm_eo - pmatch[6].rm_so);
191 p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
192 pmatch[6].rm_so] =
193 '\0';
194 strncpy (p_menu_set->p_menu[i]->items[j]->text,
195 buffer + pmatch[7].rm_so,
196 pmatch[7].rm_eo - pmatch[7].rm_so);
197 p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
198 pmatch[7].rm_so] =
199 '\0';
200 j++;
201 continue;
202 }
203 if (ireg ("^title[[:space:]]*([0-9]+),"
204 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\"",
205 buffer, 4, pmatch) == 0)
206 {
207 p_menu_set->p_menu[i]->title.show = 1;
208 strncpy (temp,
209 buffer + pmatch[1].rm_so,
210 pmatch[1].rm_eo - pmatch[1].rm_so);
211 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
212 p_menu_set->p_menu[i]->title.row = atoi (temp);
213 strncpy (temp,
214 buffer + pmatch[2].rm_so,
215 pmatch[2].rm_eo - pmatch[2].rm_so);
216 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
217 p_menu_set->p_menu[i]->title.col = atoi (temp);
218 strncpy (p_menu_set->p_menu[i]->title.text,
219 buffer + pmatch[3].rm_so,
220 pmatch[3].rm_eo - pmatch[3].rm_so);
221 p_menu_set->p_menu[i]->title.text[pmatch[3].rm_eo -
222 pmatch[3].rm_so] =
223 '\0';
224 continue;
225 }
226 if (ireg ("^screen[[:space:]]*([0-9]+),"
227 "[[:space:]]*([0-9]+),[[:space:]]*S_([A-Za-z0-9_]+)",
228 buffer, 4, pmatch) == 0)
229 {
230 p_menu_set->p_menu[i]->screen.show = 1;
231 strncpy (temp,
232 buffer + pmatch[1].rm_so,
233 pmatch[1].rm_eo - pmatch[1].rm_so);
234 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
235 p_menu_set->p_menu[i]->screen.row = atoi (temp);
236 strncpy (temp,
237 buffer + pmatch[2].rm_so,
238 pmatch[2].rm_eo - pmatch[2].rm_so);
239 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
240 p_menu_set->p_menu[i]->screen.col = atoi (temp);
241 strncpy (temp,
242 buffer + pmatch[3].rm_so,
243 pmatch[3].rm_eo - pmatch[3].rm_so);
244 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
245 sprintf (p_menu_set->p_menu[i]->screen.filename,
246 "%sMENU_SCR_%s", app_temp_dir, temp);
247 continue;
248 }
249 }
250 }
251 break;
252 }
253 }
254 fclose (fin);
255
256 p_menu_set->menu_count = i;
257 p_menu_set->menu_select_depth = 0;
258 p_menu_set->p_menu_select[p_menu_set->menu_select_depth]
259 = (i == 0 ? NULL : p_menu_set->p_menu[0]);
260
261 return 0;
262 }
263
264 MENU *
265 get_menu (MENU_SET * p_menu_set, const char *menu_name)
266 {
267 int i;
268
269 for (i = 0; i < p_menu_set->menu_count; i++)
270 {
271 if (strcmp (p_menu_set->p_menu[i]->name, menu_name) == 0)
272 {
273 return p_menu_set->p_menu[i];
274 }
275 }
276
277 return NULL;
278 }
279
280 void
281 display_menu_cursor (MENU * p_menu, int show)
282 {
283 moveto ((p_menu->items[p_menu->item_cur_pos])->r_row,
284 (p_menu->items[p_menu->item_cur_pos])->r_col - 2);
285 prints (show ? ">" : " ");
286 iflush ();
287 }
288
289 int
290 display_menu (MENU * p_menu)
291 {
292 int i, row, col, menu_selectable = 0;
293
294 if (p_menu == NULL)
295 return -1;
296
297 if (p_menu->title.show)
298 show_top (p_menu->title.text);
299
300 if (p_menu->screen.show)
301 {
302 moveto (p_menu->screen.row, p_menu->screen.col);
303 if (display_file (p_menu->screen.filename) != 0)
304 log_error ("Display menu screen <%s> failed!\n",
305 p_menu->screen.filename);
306 }
307
308 row = p_menu->items[0]->row;
309 col = p_menu->items[0]->col;
310
311 for (i = 0; i < p_menu->item_count; i++)
312 {
313 if (checkpriv (&BBS_priv, 0, p_menu->items[i]->priv) == 0
314 || checklevel (&BBS_priv, p_menu->items[i]->level) == 0)
315 {
316 p_menu->items[i]->display = 0;
317 }
318 else
319 {
320 p_menu->items[i]->display = 1;
321
322 menu_selectable = 1;
323
324 if (p_menu->items[i]->row != 0)
325 row = p_menu->items[i]->row;
326 else
327 row++;
328 p_menu->items[i]->r_row = row;
329 if (p_menu->items[i]->col != 0)
330 col = p_menu->items[i]->col;
331 p_menu->items[i]->r_col = col;
332 moveto (row, col);
333 prints (p_menu->items[i]->text);
334 iflush ();
335 }
336 }
337
338 if (!menu_selectable)
339 return -1;
340
341 display_menu_cursor (p_menu, 1);
342
343 return 0;
344 }
345
346 int
347 display_current_menu (MENU_SET * p_menu_set)
348 {
349 MENU *p_menu;
350
351 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
352
353 return display_menu (p_menu);
354 }
355
356 int
357 menu_control (MENU_SET * p_menu_set, int key)
358 {
359 int i;
360 MENU *p_menu;
361
362 if (p_menu_set->menu_count == 0)
363 return 0;
364
365 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
366
367 switch (key)
368 {
369 case CR:
370 case KEY_RIGHT:
371 if (p_menu->items[p_menu->item_cur_pos]->submenu)
372 {
373 if (strcmp (p_menu->items[p_menu->item_cur_pos]->action, "..") == 0)
374 return menu_control (p_menu_set, KEY_LEFT);
375 p_menu_set->menu_select_depth++;
376 p_menu =
377 p_menu_set->p_menu_select[p_menu_set->menu_select_depth] =
378 get_menu (p_menu_set,
379 p_menu->items[p_menu->item_cur_pos]->action);
380 if (display_menu (p_menu) != 0)
381 return menu_control (p_menu_set, KEY_LEFT);
382 break;
383 }
384 else
385 {
386 return (exec_cmd(p_menu->items[p_menu->item_cur_pos]->action,
387 p_menu->items[p_menu->item_cur_pos]->name));
388 }
389 case KEY_LEFT:
390 if (p_menu_set->menu_select_depth > 0)
391 {
392 p_menu_set->menu_select_depth--;
393 if (display_current_menu (p_menu_set) != 0)
394 return menu_control (p_menu_set, KEY_LEFT);
395 break;
396 }
397 else
398 {
399 display_menu_cursor (p_menu, 0);
400 p_menu->item_cur_pos = p_menu->item_count - 1;
401 while (!p_menu->items[p_menu->item_cur_pos]->display
402 || p_menu->items[p_menu->item_cur_pos]->priv != 0
403 || p_menu->items[p_menu->item_cur_pos]->level != 0)
404 p_menu->item_cur_pos--;
405 display_menu_cursor (p_menu, 1);
406 break;
407 }
408 case KEY_UP:
409 display_menu_cursor (p_menu, 0);
410 do
411 {
412 p_menu->item_cur_pos--;
413 if (p_menu->item_cur_pos < 0)
414 p_menu->item_cur_pos = p_menu->item_count - 1;
415 }
416 while (!p_menu->items[p_menu->item_cur_pos]->display);
417 display_menu_cursor (p_menu, 1);
418 break;
419 case KEY_DOWN:
420 display_menu_cursor (p_menu, 0);
421 do
422 {
423 p_menu->item_cur_pos++;
424 if (p_menu->item_cur_pos >= p_menu->item_count)
425 p_menu->item_cur_pos = 0;
426 }
427 while (!p_menu->items[p_menu->item_cur_pos]->display);
428 display_menu_cursor (p_menu, 1);
429 break;
430 default:
431 for (i = 0; i < p_menu->item_count; i++)
432 {
433 if (key == p_menu->items[i]->name[0])
434 {
435 display_menu_cursor (p_menu, 0);
436 p_menu->item_cur_pos = i;
437 display_menu_cursor (p_menu, 1);
438 return 0;
439 }
440 }
441 if (isalpha (key))
442 {
443 for (i = 0; i < p_menu->item_count; i++)
444 {
445 if (toupper (key) == toupper (p_menu->items[i]->name[0]))
446 {
447 display_menu_cursor (p_menu, 0);
448 p_menu->item_cur_pos = i;
449 display_menu_cursor (p_menu, 1);
450 return 0;
451 }
452 }
453 }
454 }
455
456 return 0;
457 }
458
459 void
460 unload_menu (MENU_SET * p_menu_set)
461 {
462 MENU *p_menu;
463 MENU_ITEM *p_menuitem;
464 int i, j;
465
466 for (i = 0; i < p_menu_set->menu_count; i++)
467 {
468 p_menu = p_menu_set->p_menu[i];
469 for (j = 0; j < p_menu->item_count; j++)
470 {
471 free (p_menu->items[j]);
472 }
473 free (p_menu);
474 }
475
476 p_menu_set->menu_count = 0;
477 p_menu_set->menu_select_depth = 0;
478 }

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