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

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Revision 1.26 - (hide annotations)
Mon May 5 02:54:27 2025 UTC (10 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.25: +53 -20 lines
Content type: text/x-csrc 
Fix bug
1 sysadm 1.1 /***************************************************************************
2 sysadm 1.21 menu.c - description
3     -------------------
4     begin : Wed Mar 16 2004
5     copyright : (C) 2005 by Leaflet
6     email : leaflet@leafok.com
7 sysadm 1.1 ***************************************************************************/
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 sysadm 1.3 #include "bbs.h"
19 sysadm 1.17 #include "bbs_cmd.h"
20 sysadm 1.22 #include "user_priv.h"
21     #include "reg_ex.h"
22     #include "bbs_cmd.h"
23 sysadm 1.1 #include "menu.h"
24 sysadm 1.22 #include "log.h"
25 sysadm 1.1 #include "io.h"
26 sysadm 1.22 #include "screen.h"
27 sysadm 1.2 #include "common.h"
28 sysadm 1.22 #include <string.h>
29 sysadm 1.1 #include <stdio.h>
30     #include <ctype.h>
31 sysadm 1.2 #include <regex.h>
32 sysadm 1.6 #include <stdlib.h>
33 sysadm 1.1
34 sysadm 1.25 #define MENU_TEMP_DIR "var"
35    
36 sysadm 1.2 MENU_SET bbs_menu;
37 sysadm 1.1
38 sysadm 1.21 int load_menu(MENU_SET *p_menu_set, const char *conf_file)
39 sysadm 1.1 {
40 sysadm 1.21 FILE *fin, *fout;
41     int i = 0, j;
42 sysadm 1.23 char buffer[LINE_BUFFER_LEN];
43 sysadm 1.25 char screen_filename[FILE_PATH_LEN];
44 sysadm 1.23 char temp[LINE_BUFFER_LEN];
45 sysadm 1.21 regmatch_t pmatch[10];
46    
47     if ((fin = fopen(conf_file, "r")) == NULL)
48     {
49     log_error("Open %s failed", conf_file);
50     return -1;
51     }
52    
53     strcpy(p_menu_set->conf_file, conf_file);
54    
55 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
56 sysadm 1.3 {
57 sysadm 1.21 switch (buffer[0])
58     {
59     case '#':
60     break;
61     case '%':
62     if (ireg("^%S_([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
63     {
64     strncpy(temp, buffer + pmatch[1].rm_so,
65     pmatch[1].rm_eo - pmatch[1].rm_so);
66     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
67 sysadm 1.25 sprintf(screen_filename, "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
68 sysadm 1.21
69     if ((fout = fopen(screen_filename, "w")) == NULL)
70     {
71     log_error("Open %s failed", screen_filename);
72     return -2;
73     }
74    
75 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
76 sysadm 1.21 {
77     if (buffer[0] != '%')
78     fputs(buffer, fout);
79     else
80     break;
81     }
82    
83     fclose(fout);
84     break;
85     }
86    
87     if (ireg("^%menu ([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
88     {
89     p_menu_set->p_menu[i] = malloc(sizeof(MENU));
90     p_menu_set->p_menu[i]->title.show = 0;
91     p_menu_set->p_menu[i]->screen.show = 0;
92    
93     strncpy(p_menu_set->p_menu[i]->name,
94     buffer + pmatch[1].rm_so,
95     pmatch[1].rm_eo - pmatch[1].rm_so);
96     p_menu_set->p_menu[i]->name[pmatch[1].rm_eo - pmatch[1].rm_so] =
97     '\0';
98    
99     j = 0;
100    
101 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
102 sysadm 1.21 {
103     if (buffer[0] == '#')
104     {
105     continue;
106     }
107     if (buffer[0] == '%')
108     {
109     p_menu_set->p_menu[i]->item_count = j;
110     p_menu_set->p_menu[i]->item_cur_pos = 0;
111     i++;
112     break;
113     }
114     if (ireg("^!([A-Za-z0-9_.]+)[[:space:]]*([0-9]+),"
115     "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
116     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
117     "[[:space:]]*\"([^\"]+)\"",
118     buffer, 8, pmatch) == 0)
119     {
120     p_menu_set->p_menu[i]->items[j] =
121     malloc(sizeof(MENU_ITEM));
122     p_menu_set->p_menu[i]->items[j]->submenu = 1;
123     strncpy(p_menu_set->p_menu[i]->items[j]->action,
124     buffer + pmatch[1].rm_so,
125     pmatch[1].rm_eo - pmatch[1].rm_so);
126     p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
127     pmatch[1].rm_so] = '\0';
128     strncpy(temp, buffer + pmatch[2].rm_so,
129     pmatch[2].rm_eo - pmatch[2].rm_so);
130     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
131     p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
132     strncpy(temp,
133     buffer + pmatch[3].rm_so,
134     pmatch[3].rm_eo - pmatch[3].rm_so);
135     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
136     p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
137     strncpy(temp,
138     buffer + pmatch[4].rm_so,
139     pmatch[4].rm_eo - pmatch[4].rm_so);
140     temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
141     p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
142     strncpy(temp,
143     buffer + pmatch[5].rm_so,
144     pmatch[5].rm_eo - pmatch[5].rm_so);
145     temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
146     p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
147     strncpy(p_menu_set->p_menu[i]->items[j]->name,
148     buffer + pmatch[6].rm_so,
149     pmatch[6].rm_eo - pmatch[6].rm_so);
150     p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
151     pmatch[6].rm_so] =
152     '\0';
153     strncpy(p_menu_set->p_menu[i]->items[j]->text,
154     buffer + pmatch[7].rm_so,
155     pmatch[7].rm_eo - pmatch[7].rm_so);
156     p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
157     pmatch[7].rm_so] =
158     '\0';
159     j++;
160     continue;
161     }
162     if (ireg("^@([A-Za-z0-9_]+)[[:space:]]*([0-9]+),"
163     "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
164     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
165     "[[:space:]]*\"([^\"]+)\"",
166     buffer, 8, pmatch) == 0)
167     {
168     p_menu_set->p_menu[i]->items[j] =
169     malloc(sizeof(MENU_ITEM));
170     p_menu_set->p_menu[i]->items[j]->submenu = 0;
171     strncpy(p_menu_set->p_menu[i]->items[j]->action,
172     buffer + pmatch[1].rm_so,
173     pmatch[1].rm_eo - pmatch[1].rm_so);
174     p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
175     pmatch[1].rm_so] = '\0';
176     strncpy(temp, buffer + pmatch[2].rm_so,
177     pmatch[2].rm_eo - pmatch[2].rm_so);
178     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
179     p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
180     strncpy(temp,
181     buffer + pmatch[3].rm_so,
182     pmatch[3].rm_eo - pmatch[3].rm_so);
183     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
184     p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
185     strncpy(temp,
186     buffer + pmatch[4].rm_so,
187     pmatch[4].rm_eo - pmatch[4].rm_so);
188     temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
189     p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
190     strncpy(temp,
191     buffer + pmatch[5].rm_so,
192     pmatch[5].rm_eo - pmatch[5].rm_so);
193     temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
194     p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
195     strncpy(p_menu_set->p_menu[i]->items[j]->name,
196     buffer + pmatch[6].rm_so,
197     pmatch[6].rm_eo - pmatch[6].rm_so);
198     p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
199     pmatch[6].rm_so] =
200     '\0';
201     strncpy(p_menu_set->p_menu[i]->items[j]->text,
202     buffer + pmatch[7].rm_so,
203     pmatch[7].rm_eo - pmatch[7].rm_so);
204     p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
205     pmatch[7].rm_so] =
206     '\0';
207     j++;
208     continue;
209     }
210     if (ireg("^title[[:space:]]*([0-9]+),"
211     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\"",
212     buffer, 4, pmatch) == 0)
213     {
214     p_menu_set->p_menu[i]->title.show = 1;
215     strncpy(temp,
216     buffer + pmatch[1].rm_so,
217     pmatch[1].rm_eo - pmatch[1].rm_so);
218     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
219     p_menu_set->p_menu[i]->title.row = atoi(temp);
220     strncpy(temp,
221     buffer + pmatch[2].rm_so,
222     pmatch[2].rm_eo - pmatch[2].rm_so);
223     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
224     p_menu_set->p_menu[i]->title.col = atoi(temp);
225     strncpy(p_menu_set->p_menu[i]->title.text,
226     buffer + pmatch[3].rm_so,
227     pmatch[3].rm_eo - pmatch[3].rm_so);
228     p_menu_set->p_menu[i]->title.text[pmatch[3].rm_eo -
229     pmatch[3].rm_so] =
230     '\0';
231     continue;
232     }
233     if (ireg("^screen[[:space:]]*([0-9]+),"
234     "[[:space:]]*([0-9]+),[[:space:]]*S_([A-Za-z0-9_]+)",
235     buffer, 4, pmatch) == 0)
236     {
237     p_menu_set->p_menu[i]->screen.show = 1;
238     strncpy(temp,
239     buffer + pmatch[1].rm_so,
240     pmatch[1].rm_eo - pmatch[1].rm_so);
241     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
242     p_menu_set->p_menu[i]->screen.row = atoi(temp);
243     strncpy(temp,
244     buffer + pmatch[2].rm_so,
245     pmatch[2].rm_eo - pmatch[2].rm_so);
246     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
247     p_menu_set->p_menu[i]->screen.col = atoi(temp);
248     strncpy(temp,
249     buffer + pmatch[3].rm_so,
250     pmatch[3].rm_eo - pmatch[3].rm_so);
251     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
252     sprintf(p_menu_set->p_menu[i]->screen.filename,
253 sysadm 1.25 "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
254 sysadm 1.21 continue;
255     }
256     }
257     }
258     break;
259 sysadm 1.10 }
260 sysadm 1.3 }
261 sysadm 1.21 fclose(fin);
262 sysadm 1.3
263 sysadm 1.21 p_menu_set->menu_count = i;
264     p_menu_set->menu_select_depth = 0;
265     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = (i == 0 ? NULL : p_menu_set->p_menu[0]);
266 sysadm 1.2
267 sysadm 1.21 return 0;
268 sysadm 1.1 }
269    
270 sysadm 1.10 MENU *
271 sysadm 1.21 get_menu(MENU_SET *p_menu_set, const char *menu_name)
272 sysadm 1.3 {
273 sysadm 1.21 int i;
274 sysadm 1.5
275 sysadm 1.21 for (i = 0; i < p_menu_set->menu_count; i++)
276 sysadm 1.10 {
277 sysadm 1.21 if (strcmp(p_menu_set->p_menu[i]->name, menu_name) == 0)
278     {
279     return p_menu_set->p_menu[i];
280     }
281 sysadm 1.10 }
282 sysadm 1.5
283 sysadm 1.21 return NULL;
284 sysadm 1.3 }
285    
286 sysadm 1.22 static void display_menu_cursor(MENU *p_menu, int show)
287 sysadm 1.1 {
288 sysadm 1.21 moveto((p_menu->items[p_menu->item_cur_pos])->r_row,
289     (p_menu->items[p_menu->item_cur_pos])->r_col - 2);
290 sysadm 1.26 outc(show ? '>' : ' ');
291 sysadm 1.21 iflush();
292 sysadm 1.1 }
293    
294 sysadm 1.21 int display_menu(MENU *p_menu)
295 sysadm 1.1 {
296 sysadm 1.26 int row = 0;
297     int col = 0;
298     int menu_selectable = 0;
299 sysadm 1.3
300 sysadm 1.21 if (p_menu == NULL)
301 sysadm 1.26 {
302 sysadm 1.21 return -1;
303 sysadm 1.26 }
304 sysadm 1.5
305 sysadm 1.21 if (p_menu->title.show)
306 sysadm 1.26 {
307 sysadm 1.21 show_top(p_menu->title.text);
308 sysadm 1.26 }
309 sysadm 1.3
310 sysadm 1.21 if (p_menu->screen.show)
311 sysadm 1.10 {
312 sysadm 1.21 moveto(p_menu->screen.row, p_menu->screen.col);
313     if (display_file(p_menu->screen.filename) != 0)
314 sysadm 1.26 {
315 sysadm 1.21 log_error("Display menu screen <%s> failed!\n",
316     p_menu->screen.filename);
317 sysadm 1.26 }
318 sysadm 1.10 }
319 sysadm 1.21
320 sysadm 1.26 for (int i = 0; i < p_menu->item_count; i++)
321     {
322     if (p_menu->items[i]->row != 0)
323     {
324     row = p_menu->items[i]->row;
325     }
326     if (p_menu->items[i]->col != 0)
327     {
328     col = p_menu->items[i]->col;
329     }
330 sysadm 1.21
331     if (checkpriv(&BBS_priv, 0, p_menu->items[i]->priv) == 0 || checklevel(&BBS_priv, p_menu->items[i]->level) == 0)
332     {
333     p_menu->items[i]->display = 0;
334 sysadm 1.26 p_menu->items[i]->r_row = 0;
335     p_menu->items[i]->r_col = 0;
336 sysadm 1.21 }
337     else
338     {
339     p_menu->items[i]->display = 1;
340 sysadm 1.10
341 sysadm 1.26 if (!menu_selectable)
342     {
343     p_menu->item_cur_pos = i;
344     menu_selectable = 1;
345     }
346 sysadm 1.3
347 sysadm 1.21 p_menu->items[i]->r_row = row;
348     p_menu->items[i]->r_col = col;
349 sysadm 1.26
350 sysadm 1.21 moveto(row, col);
351 sysadm 1.26 prints("%s", p_menu->items[i]->text);
352    
353     row++;
354 sysadm 1.21 }
355 sysadm 1.10 }
356    
357 sysadm 1.21 if (!menu_selectable)
358 sysadm 1.26 {
359 sysadm 1.21 return -1;
360 sysadm 1.26 }
361 sysadm 1.3
362 sysadm 1.21 display_menu_cursor(p_menu, 1);
363 sysadm 1.1
364 sysadm 1.21 return 0;
365 sysadm 1.1 }
366    
367 sysadm 1.21 int display_current_menu(MENU_SET *p_menu_set)
368 sysadm 1.12 {
369 sysadm 1.21 MENU *p_menu;
370 sysadm 1.12
371 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
372 sysadm 1.12
373 sysadm 1.21 return display_menu(p_menu);
374 sysadm 1.12 }
375    
376 sysadm 1.21 int menu_control(MENU_SET *p_menu_set, int key)
377 sysadm 1.1 {
378 sysadm 1.21 int i;
379     MENU *p_menu;
380 sysadm 1.3
381 sysadm 1.21 if (p_menu_set->menu_count == 0)
382 sysadm 1.26 {
383 sysadm 1.21 return 0;
384 sysadm 1.26 }
385 sysadm 1.3
386 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
387 sysadm 1.3
388 sysadm 1.21 switch (key)
389 sysadm 1.10 {
390 sysadm 1.21 case CR:
391 sysadm 1.24 igetch(1); // Cleanup remaining '\n' in the buffer
392 sysadm 1.21 case KEY_RIGHT:
393     if (p_menu->items[p_menu->item_cur_pos]->submenu)
394     {
395     if (strcmp(p_menu->items[p_menu->item_cur_pos]->action, "..") == 0)
396 sysadm 1.26 {
397 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
398 sysadm 1.26 }
399 sysadm 1.21 p_menu_set->menu_select_depth++;
400 sysadm 1.26 p_menu = get_menu(p_menu_set, p_menu->items[p_menu->item_cur_pos]->action);
401     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = p_menu;
402    
403 sysadm 1.21 if (display_menu(p_menu) != 0)
404 sysadm 1.26 {
405 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
406 sysadm 1.26 }
407 sysadm 1.21 break;
408     }
409     else
410     {
411     return (exec_cmd(p_menu->items[p_menu->item_cur_pos]->action,
412     p_menu->items[p_menu->item_cur_pos]->name));
413     }
414     case KEY_LEFT:
415     if (p_menu_set->menu_select_depth > 0)
416     {
417     p_menu_set->menu_select_depth--;
418     if (display_current_menu(p_menu_set) != 0)
419 sysadm 1.26 {
420 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
421 sysadm 1.26 }
422 sysadm 1.21 break;
423     }
424     else
425     {
426     display_menu_cursor(p_menu, 0);
427     p_menu->item_cur_pos = p_menu->item_count - 1;
428 sysadm 1.26 while (!p_menu->items[p_menu->item_cur_pos]->display ||
429     p_menu->items[p_menu->item_cur_pos]->priv != 0 ||
430     p_menu->items[p_menu->item_cur_pos]->level != 0)
431     {
432 sysadm 1.21 p_menu->item_cur_pos--;
433 sysadm 1.26 }
434 sysadm 1.21 display_menu_cursor(p_menu, 1);
435     break;
436     }
437     case KEY_UP:
438     display_menu_cursor(p_menu, 0);
439     do
440     {
441     p_menu->item_cur_pos--;
442     if (p_menu->item_cur_pos < 0)
443 sysadm 1.26 {
444 sysadm 1.21 p_menu->item_cur_pos = p_menu->item_count - 1;
445 sysadm 1.26 }
446 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
447     display_menu_cursor(p_menu, 1);
448     break;
449     case KEY_DOWN:
450     display_menu_cursor(p_menu, 0);
451     do
452     {
453     p_menu->item_cur_pos++;
454     if (p_menu->item_cur_pos >= p_menu->item_count)
455 sysadm 1.26 {
456 sysadm 1.21 p_menu->item_cur_pos = 0;
457 sysadm 1.26 }
458 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
459     display_menu_cursor(p_menu, 1);
460     break;
461     default:
462     for (i = 0; i < p_menu->item_count; i++)
463     {
464     if (key == p_menu->items[i]->name[0] &&
465     p_menu->items[i]->display)
466     {
467     display_menu_cursor(p_menu, 0);
468     p_menu->item_cur_pos = i;
469     display_menu_cursor(p_menu, 1);
470     return 0;
471     }
472     }
473     if (isalpha(key))
474     {
475     for (i = 0; i < p_menu->item_count; i++)
476     {
477     if (toupper(key) == toupper(p_menu->items[i]->name[0]) &&
478     p_menu->items[i]->display)
479     {
480     display_menu_cursor(p_menu, 0);
481     p_menu->item_cur_pos = i;
482     display_menu_cursor(p_menu, 1);
483     return 0;
484     }
485     }
486 sysadm 1.16 }
487 sysadm 1.3 }
488 sysadm 1.1
489 sysadm 1.21 return 0;
490 sysadm 1.1 }
491 sysadm 1.15
492 sysadm 1.21 void unload_menu(MENU_SET *p_menu_set)
493 sysadm 1.15 {
494 sysadm 1.21 MENU *p_menu;
495     int i, j;
496    
497     for (i = 0; i < p_menu_set->menu_count; i++)
498 sysadm 1.16 {
499 sysadm 1.21 p_menu = p_menu_set->p_menu[i];
500     for (j = 0; j < p_menu->item_count; j++)
501     {
502     free(p_menu->items[j]);
503     }
504     remove(p_menu->screen.filename);
505     free(p_menu);
506 sysadm 1.16 }
507    
508 sysadm 1.21 p_menu_set->menu_count = 0;
509     p_menu_set->menu_select_depth = 0;
510 sysadm 1.15 }
511 sysadm 1.18
512 sysadm 1.21 int reload_menu(MENU_SET *p_menu_set)
513 sysadm 1.18 {
514 sysadm 1.21 int result;
515 sysadm 1.23 char conf_file[FILE_PATH_LEN];
516 sysadm 1.21
517 sysadm 1.23 strncpy(conf_file, p_menu_set->conf_file, sizeof(conf_file));
518 sysadm 1.21 unload_menu(p_menu_set);
519     result = load_menu(p_menu_set, conf_file);
520 sysadm 1.18
521 sysadm 1.21 return result;
522 sysadm 1.18 }
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