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

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Revision 1.27 - (hide annotations)
Mon May 5 11:11:06 2025 UTC (10 months, 1 week ago) by sysadm
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Changes since 1.26: +5 -2 lines
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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 sysadm 1.27 strncpy(p_menu_set->conf_file, conf_file, sizeof(p_menu_set->conf_file) - 1);
54     p_menu_set->conf_file[sizeof(p_menu_set->conf_file) - 1] = '\0';
55 sysadm 1.21
56 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
57 sysadm 1.3 {
58 sysadm 1.21 switch (buffer[0])
59     {
60     case '#':
61     break;
62     case '%':
63     if (ireg("^%S_([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
64     {
65     strncpy(temp, buffer + pmatch[1].rm_so,
66     pmatch[1].rm_eo - pmatch[1].rm_so);
67     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
68 sysadm 1.25 sprintf(screen_filename, "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
69 sysadm 1.21
70     if ((fout = fopen(screen_filename, "w")) == NULL)
71     {
72     log_error("Open %s failed", screen_filename);
73     return -2;
74     }
75    
76 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
77 sysadm 1.21 {
78     if (buffer[0] != '%')
79     fputs(buffer, fout);
80     else
81     break;
82     }
83    
84     fclose(fout);
85     break;
86     }
87    
88     if (ireg("^%menu ([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
89     {
90     p_menu_set->p_menu[i] = malloc(sizeof(MENU));
91     p_menu_set->p_menu[i]->title.show = 0;
92     p_menu_set->p_menu[i]->screen.show = 0;
93    
94     strncpy(p_menu_set->p_menu[i]->name,
95     buffer + pmatch[1].rm_so,
96     pmatch[1].rm_eo - pmatch[1].rm_so);
97     p_menu_set->p_menu[i]->name[pmatch[1].rm_eo - pmatch[1].rm_so] =
98     '\0';
99    
100     j = 0;
101    
102 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
103 sysadm 1.21 {
104     if (buffer[0] == '#')
105     {
106     continue;
107     }
108     if (buffer[0] == '%')
109     {
110     p_menu_set->p_menu[i]->item_count = j;
111     p_menu_set->p_menu[i]->item_cur_pos = 0;
112     i++;
113     break;
114     }
115     if (ireg("^!([A-Za-z0-9_.]+)[[:space:]]*([0-9]+),"
116     "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
117     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
118     "[[:space:]]*\"([^\"]+)\"",
119     buffer, 8, pmatch) == 0)
120     {
121     p_menu_set->p_menu[i]->items[j] =
122     malloc(sizeof(MENU_ITEM));
123     p_menu_set->p_menu[i]->items[j]->submenu = 1;
124     strncpy(p_menu_set->p_menu[i]->items[j]->action,
125     buffer + pmatch[1].rm_so,
126     pmatch[1].rm_eo - pmatch[1].rm_so);
127     p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
128     pmatch[1].rm_so] = '\0';
129     strncpy(temp, buffer + pmatch[2].rm_so,
130     pmatch[2].rm_eo - pmatch[2].rm_so);
131     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
132     p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
133     strncpy(temp,
134     buffer + pmatch[3].rm_so,
135     pmatch[3].rm_eo - pmatch[3].rm_so);
136     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
137     p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
138     strncpy(temp,
139     buffer + pmatch[4].rm_so,
140     pmatch[4].rm_eo - pmatch[4].rm_so);
141     temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
142     p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
143     strncpy(temp,
144     buffer + pmatch[5].rm_so,
145     pmatch[5].rm_eo - pmatch[5].rm_so);
146     temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
147     p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
148     strncpy(p_menu_set->p_menu[i]->items[j]->name,
149     buffer + pmatch[6].rm_so,
150     pmatch[6].rm_eo - pmatch[6].rm_so);
151     p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
152     pmatch[6].rm_so] =
153     '\0';
154     strncpy(p_menu_set->p_menu[i]->items[j]->text,
155     buffer + pmatch[7].rm_so,
156     pmatch[7].rm_eo - pmatch[7].rm_so);
157     p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
158     pmatch[7].rm_so] =
159     '\0';
160     j++;
161     continue;
162     }
163     if (ireg("^@([A-Za-z0-9_]+)[[:space:]]*([0-9]+),"
164     "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
165     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
166     "[[:space:]]*\"([^\"]+)\"",
167     buffer, 8, pmatch) == 0)
168     {
169     p_menu_set->p_menu[i]->items[j] =
170     malloc(sizeof(MENU_ITEM));
171     p_menu_set->p_menu[i]->items[j]->submenu = 0;
172     strncpy(p_menu_set->p_menu[i]->items[j]->action,
173     buffer + pmatch[1].rm_so,
174     pmatch[1].rm_eo - pmatch[1].rm_so);
175     p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
176     pmatch[1].rm_so] = '\0';
177     strncpy(temp, buffer + pmatch[2].rm_so,
178     pmatch[2].rm_eo - pmatch[2].rm_so);
179     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
180     p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
181     strncpy(temp,
182     buffer + pmatch[3].rm_so,
183     pmatch[3].rm_eo - pmatch[3].rm_so);
184     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
185     p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
186     strncpy(temp,
187     buffer + pmatch[4].rm_so,
188     pmatch[4].rm_eo - pmatch[4].rm_so);
189     temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
190     p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
191     strncpy(temp,
192     buffer + pmatch[5].rm_so,
193     pmatch[5].rm_eo - pmatch[5].rm_so);
194     temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
195     p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
196     strncpy(p_menu_set->p_menu[i]->items[j]->name,
197     buffer + pmatch[6].rm_so,
198     pmatch[6].rm_eo - pmatch[6].rm_so);
199     p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
200     pmatch[6].rm_so] =
201     '\0';
202     strncpy(p_menu_set->p_menu[i]->items[j]->text,
203     buffer + pmatch[7].rm_so,
204     pmatch[7].rm_eo - pmatch[7].rm_so);
205     p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
206     pmatch[7].rm_so] =
207     '\0';
208     j++;
209     continue;
210     }
211     if (ireg("^title[[:space:]]*([0-9]+),"
212     "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\"",
213     buffer, 4, pmatch) == 0)
214     {
215     p_menu_set->p_menu[i]->title.show = 1;
216     strncpy(temp,
217     buffer + pmatch[1].rm_so,
218     pmatch[1].rm_eo - pmatch[1].rm_so);
219     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
220     p_menu_set->p_menu[i]->title.row = atoi(temp);
221     strncpy(temp,
222     buffer + pmatch[2].rm_so,
223     pmatch[2].rm_eo - pmatch[2].rm_so);
224     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
225     p_menu_set->p_menu[i]->title.col = atoi(temp);
226     strncpy(p_menu_set->p_menu[i]->title.text,
227     buffer + pmatch[3].rm_so,
228     pmatch[3].rm_eo - pmatch[3].rm_so);
229     p_menu_set->p_menu[i]->title.text[pmatch[3].rm_eo -
230     pmatch[3].rm_so] =
231     '\0';
232     continue;
233     }
234     if (ireg("^screen[[:space:]]*([0-9]+),"
235     "[[:space:]]*([0-9]+),[[:space:]]*S_([A-Za-z0-9_]+)",
236     buffer, 4, pmatch) == 0)
237     {
238     p_menu_set->p_menu[i]->screen.show = 1;
239     strncpy(temp,
240     buffer + pmatch[1].rm_so,
241     pmatch[1].rm_eo - pmatch[1].rm_so);
242     temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
243     p_menu_set->p_menu[i]->screen.row = atoi(temp);
244     strncpy(temp,
245     buffer + pmatch[2].rm_so,
246     pmatch[2].rm_eo - pmatch[2].rm_so);
247     temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
248     p_menu_set->p_menu[i]->screen.col = atoi(temp);
249     strncpy(temp,
250     buffer + pmatch[3].rm_so,
251     pmatch[3].rm_eo - pmatch[3].rm_so);
252     temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
253     sprintf(p_menu_set->p_menu[i]->screen.filename,
254 sysadm 1.25 "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
255 sysadm 1.21 continue;
256     }
257     }
258     }
259     break;
260 sysadm 1.10 }
261 sysadm 1.3 }
262 sysadm 1.21 fclose(fin);
263 sysadm 1.3
264 sysadm 1.21 p_menu_set->menu_count = i;
265     p_menu_set->menu_select_depth = 0;
266     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = (i == 0 ? NULL : p_menu_set->p_menu[0]);
267 sysadm 1.2
268 sysadm 1.21 return 0;
269 sysadm 1.1 }
270    
271 sysadm 1.10 MENU *
272 sysadm 1.21 get_menu(MENU_SET *p_menu_set, const char *menu_name)
273 sysadm 1.3 {
274 sysadm 1.21 int i;
275 sysadm 1.5
276 sysadm 1.21 for (i = 0; i < p_menu_set->menu_count; i++)
277 sysadm 1.10 {
278 sysadm 1.21 if (strcmp(p_menu_set->p_menu[i]->name, menu_name) == 0)
279     {
280     return p_menu_set->p_menu[i];
281     }
282 sysadm 1.10 }
283 sysadm 1.5
284 sysadm 1.21 return NULL;
285 sysadm 1.3 }
286    
287 sysadm 1.22 static void display_menu_cursor(MENU *p_menu, int show)
288 sysadm 1.1 {
289 sysadm 1.21 moveto((p_menu->items[p_menu->item_cur_pos])->r_row,
290     (p_menu->items[p_menu->item_cur_pos])->r_col - 2);
291 sysadm 1.26 outc(show ? '>' : ' ');
292 sysadm 1.21 iflush();
293 sysadm 1.1 }
294    
295 sysadm 1.21 int display_menu(MENU *p_menu)
296 sysadm 1.1 {
297 sysadm 1.26 int row = 0;
298     int col = 0;
299     int menu_selectable = 0;
300 sysadm 1.3
301 sysadm 1.21 if (p_menu == NULL)
302 sysadm 1.26 {
303 sysadm 1.21 return -1;
304 sysadm 1.26 }
305 sysadm 1.5
306 sysadm 1.21 if (p_menu->title.show)
307 sysadm 1.26 {
308 sysadm 1.21 show_top(p_menu->title.text);
309 sysadm 1.26 }
310 sysadm 1.3
311 sysadm 1.21 if (p_menu->screen.show)
312 sysadm 1.10 {
313 sysadm 1.21 moveto(p_menu->screen.row, p_menu->screen.col);
314     if (display_file(p_menu->screen.filename) != 0)
315 sysadm 1.26 {
316 sysadm 1.21 log_error("Display menu screen <%s> failed!\n",
317     p_menu->screen.filename);
318 sysadm 1.26 }
319 sysadm 1.10 }
320 sysadm 1.21
321 sysadm 1.26 for (int i = 0; i < p_menu->item_count; i++)
322     {
323     if (p_menu->items[i]->row != 0)
324     {
325     row = p_menu->items[i]->row;
326     }
327     if (p_menu->items[i]->col != 0)
328     {
329     col = p_menu->items[i]->col;
330     }
331 sysadm 1.21
332     if (checkpriv(&BBS_priv, 0, p_menu->items[i]->priv) == 0 || checklevel(&BBS_priv, p_menu->items[i]->level) == 0)
333     {
334     p_menu->items[i]->display = 0;
335 sysadm 1.26 p_menu->items[i]->r_row = 0;
336     p_menu->items[i]->r_col = 0;
337 sysadm 1.21 }
338     else
339     {
340     p_menu->items[i]->display = 1;
341 sysadm 1.10
342 sysadm 1.26 if (!menu_selectable)
343     {
344     p_menu->item_cur_pos = i;
345     menu_selectable = 1;
346     }
347 sysadm 1.3
348 sysadm 1.21 p_menu->items[i]->r_row = row;
349     p_menu->items[i]->r_col = col;
350 sysadm 1.26
351 sysadm 1.21 moveto(row, col);
352 sysadm 1.26 prints("%s", p_menu->items[i]->text);
353    
354     row++;
355 sysadm 1.21 }
356 sysadm 1.10 }
357    
358 sysadm 1.21 if (!menu_selectable)
359 sysadm 1.26 {
360 sysadm 1.21 return -1;
361 sysadm 1.26 }
362 sysadm 1.3
363 sysadm 1.21 display_menu_cursor(p_menu, 1);
364 sysadm 1.1
365 sysadm 1.21 return 0;
366 sysadm 1.1 }
367    
368 sysadm 1.21 int display_current_menu(MENU_SET *p_menu_set)
369 sysadm 1.12 {
370 sysadm 1.21 MENU *p_menu;
371 sysadm 1.12
372 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
373 sysadm 1.12
374 sysadm 1.21 return display_menu(p_menu);
375 sysadm 1.12 }
376    
377 sysadm 1.21 int menu_control(MENU_SET *p_menu_set, int key)
378 sysadm 1.1 {
379 sysadm 1.21 int i;
380     MENU *p_menu;
381 sysadm 1.3
382 sysadm 1.21 if (p_menu_set->menu_count == 0)
383 sysadm 1.26 {
384 sysadm 1.21 return 0;
385 sysadm 1.26 }
386 sysadm 1.3
387 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
388 sysadm 1.3
389 sysadm 1.21 switch (key)
390 sysadm 1.10 {
391 sysadm 1.21 case CR:
392 sysadm 1.24 igetch(1); // Cleanup remaining '\n' in the buffer
393 sysadm 1.21 case KEY_RIGHT:
394     if (p_menu->items[p_menu->item_cur_pos]->submenu)
395     {
396     if (strcmp(p_menu->items[p_menu->item_cur_pos]->action, "..") == 0)
397 sysadm 1.26 {
398 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
399 sysadm 1.26 }
400 sysadm 1.21 p_menu_set->menu_select_depth++;
401 sysadm 1.26 p_menu = get_menu(p_menu_set, p_menu->items[p_menu->item_cur_pos]->action);
402     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = p_menu;
403    
404 sysadm 1.21 if (display_menu(p_menu) != 0)
405 sysadm 1.26 {
406 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
407 sysadm 1.26 }
408 sysadm 1.21 break;
409     }
410     else
411     {
412     return (exec_cmd(p_menu->items[p_menu->item_cur_pos]->action,
413     p_menu->items[p_menu->item_cur_pos]->name));
414     }
415     case KEY_LEFT:
416     if (p_menu_set->menu_select_depth > 0)
417     {
418     p_menu_set->menu_select_depth--;
419     if (display_current_menu(p_menu_set) != 0)
420 sysadm 1.26 {
421 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
422 sysadm 1.26 }
423 sysadm 1.21 break;
424     }
425     else
426     {
427     display_menu_cursor(p_menu, 0);
428     p_menu->item_cur_pos = p_menu->item_count - 1;
429 sysadm 1.26 while (!p_menu->items[p_menu->item_cur_pos]->display ||
430     p_menu->items[p_menu->item_cur_pos]->priv != 0 ||
431     p_menu->items[p_menu->item_cur_pos]->level != 0)
432     {
433 sysadm 1.21 p_menu->item_cur_pos--;
434 sysadm 1.26 }
435 sysadm 1.21 display_menu_cursor(p_menu, 1);
436     break;
437     }
438     case KEY_UP:
439     display_menu_cursor(p_menu, 0);
440     do
441     {
442     p_menu->item_cur_pos--;
443     if (p_menu->item_cur_pos < 0)
444 sysadm 1.26 {
445 sysadm 1.21 p_menu->item_cur_pos = p_menu->item_count - 1;
446 sysadm 1.26 }
447 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
448     display_menu_cursor(p_menu, 1);
449     break;
450     case KEY_DOWN:
451     display_menu_cursor(p_menu, 0);
452     do
453     {
454     p_menu->item_cur_pos++;
455     if (p_menu->item_cur_pos >= p_menu->item_count)
456 sysadm 1.26 {
457 sysadm 1.21 p_menu->item_cur_pos = 0;
458 sysadm 1.26 }
459 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
460     display_menu_cursor(p_menu, 1);
461     break;
462     default:
463     for (i = 0; i < p_menu->item_count; i++)
464     {
465     if (key == p_menu->items[i]->name[0] &&
466     p_menu->items[i]->display)
467     {
468     display_menu_cursor(p_menu, 0);
469     p_menu->item_cur_pos = i;
470     display_menu_cursor(p_menu, 1);
471     return 0;
472     }
473     }
474     if (isalpha(key))
475     {
476     for (i = 0; i < p_menu->item_count; i++)
477     {
478     if (toupper(key) == toupper(p_menu->items[i]->name[0]) &&
479     p_menu->items[i]->display)
480     {
481     display_menu_cursor(p_menu, 0);
482     p_menu->item_cur_pos = i;
483     display_menu_cursor(p_menu, 1);
484     return 0;
485     }
486     }
487 sysadm 1.16 }
488 sysadm 1.3 }
489 sysadm 1.1
490 sysadm 1.21 return 0;
491 sysadm 1.1 }
492 sysadm 1.15
493 sysadm 1.21 void unload_menu(MENU_SET *p_menu_set)
494 sysadm 1.15 {
495 sysadm 1.21 MENU *p_menu;
496     int i, j;
497    
498     for (i = 0; i < p_menu_set->menu_count; i++)
499 sysadm 1.16 {
500 sysadm 1.21 p_menu = p_menu_set->p_menu[i];
501     for (j = 0; j < p_menu->item_count; j++)
502     {
503     free(p_menu->items[j]);
504     }
505     remove(p_menu->screen.filename);
506     free(p_menu);
507 sysadm 1.16 }
508    
509 sysadm 1.21 p_menu_set->menu_count = 0;
510     p_menu_set->menu_select_depth = 0;
511 sysadm 1.15 }
512 sysadm 1.18
513 sysadm 1.21 int reload_menu(MENU_SET *p_menu_set)
514 sysadm 1.18 {
515 sysadm 1.21 int result;
516 sysadm 1.23 char conf_file[FILE_PATH_LEN];
517 sysadm 1.21
518 sysadm 1.27 strncpy(conf_file, p_menu_set->conf_file, sizeof(conf_file) - 1);
519     conf_file[sizeof(conf_file) - 1] = '\0';
520    
521 sysadm 1.21 unload_menu(p_menu_set);
522     result = load_menu(p_menu_set, conf_file);
523 sysadm 1.18
524 sysadm 1.21 return result;
525 sysadm 1.18 }
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