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

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Revision 1.28 - (hide annotations)
Mon May 5 11:46:04 2025 UTC (10 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.27: +4 -3 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 1.28 snprintf(screen_filename, sizeof(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 sysadm 1.28 snprintf(p_menu_set->p_menu[i]->screen.filename,
254     sizeof(p_menu_set->p_menu[i]->screen.filename),
255     "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
256 sysadm 1.21 continue;
257     }
258     }
259     }
260     break;
261 sysadm 1.10 }
262 sysadm 1.3 }
263 sysadm 1.21 fclose(fin);
264 sysadm 1.3
265 sysadm 1.21 p_menu_set->menu_count = i;
266     p_menu_set->menu_select_depth = 0;
267     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = (i == 0 ? NULL : p_menu_set->p_menu[0]);
268 sysadm 1.2
269 sysadm 1.21 return 0;
270 sysadm 1.1 }
271    
272 sysadm 1.10 MENU *
273 sysadm 1.21 get_menu(MENU_SET *p_menu_set, const char *menu_name)
274 sysadm 1.3 {
275 sysadm 1.21 int i;
276 sysadm 1.5
277 sysadm 1.21 for (i = 0; i < p_menu_set->menu_count; i++)
278 sysadm 1.10 {
279 sysadm 1.21 if (strcmp(p_menu_set->p_menu[i]->name, menu_name) == 0)
280     {
281     return p_menu_set->p_menu[i];
282     }
283 sysadm 1.10 }
284 sysadm 1.5
285 sysadm 1.21 return NULL;
286 sysadm 1.3 }
287    
288 sysadm 1.22 static void display_menu_cursor(MENU *p_menu, int show)
289 sysadm 1.1 {
290 sysadm 1.21 moveto((p_menu->items[p_menu->item_cur_pos])->r_row,
291     (p_menu->items[p_menu->item_cur_pos])->r_col - 2);
292 sysadm 1.26 outc(show ? '>' : ' ');
293 sysadm 1.21 iflush();
294 sysadm 1.1 }
295    
296 sysadm 1.21 int display_menu(MENU *p_menu)
297 sysadm 1.1 {
298 sysadm 1.26 int row = 0;
299     int col = 0;
300     int menu_selectable = 0;
301 sysadm 1.3
302 sysadm 1.21 if (p_menu == NULL)
303 sysadm 1.26 {
304 sysadm 1.21 return -1;
305 sysadm 1.26 }
306 sysadm 1.5
307 sysadm 1.21 if (p_menu->title.show)
308 sysadm 1.26 {
309 sysadm 1.21 show_top(p_menu->title.text);
310 sysadm 1.26 }
311 sysadm 1.3
312 sysadm 1.21 if (p_menu->screen.show)
313 sysadm 1.10 {
314 sysadm 1.21 moveto(p_menu->screen.row, p_menu->screen.col);
315     if (display_file(p_menu->screen.filename) != 0)
316 sysadm 1.26 {
317 sysadm 1.21 log_error("Display menu screen <%s> failed!\n",
318     p_menu->screen.filename);
319 sysadm 1.26 }
320 sysadm 1.10 }
321 sysadm 1.21
322 sysadm 1.26 for (int i = 0; i < p_menu->item_count; i++)
323     {
324     if (p_menu->items[i]->row != 0)
325     {
326     row = p_menu->items[i]->row;
327     }
328     if (p_menu->items[i]->col != 0)
329     {
330     col = p_menu->items[i]->col;
331     }
332 sysadm 1.21
333     if (checkpriv(&BBS_priv, 0, p_menu->items[i]->priv) == 0 || checklevel(&BBS_priv, p_menu->items[i]->level) == 0)
334     {
335     p_menu->items[i]->display = 0;
336 sysadm 1.26 p_menu->items[i]->r_row = 0;
337     p_menu->items[i]->r_col = 0;
338 sysadm 1.21 }
339     else
340     {
341     p_menu->items[i]->display = 1;
342 sysadm 1.10
343 sysadm 1.26 if (!menu_selectable)
344     {
345     p_menu->item_cur_pos = i;
346     menu_selectable = 1;
347     }
348 sysadm 1.3
349 sysadm 1.21 p_menu->items[i]->r_row = row;
350     p_menu->items[i]->r_col = col;
351 sysadm 1.26
352 sysadm 1.21 moveto(row, col);
353 sysadm 1.26 prints("%s", p_menu->items[i]->text);
354    
355     row++;
356 sysadm 1.21 }
357 sysadm 1.10 }
358    
359 sysadm 1.21 if (!menu_selectable)
360 sysadm 1.26 {
361 sysadm 1.21 return -1;
362 sysadm 1.26 }
363 sysadm 1.3
364 sysadm 1.21 display_menu_cursor(p_menu, 1);
365 sysadm 1.1
366 sysadm 1.21 return 0;
367 sysadm 1.1 }
368    
369 sysadm 1.21 int display_current_menu(MENU_SET *p_menu_set)
370 sysadm 1.12 {
371 sysadm 1.21 MENU *p_menu;
372 sysadm 1.12
373 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
374 sysadm 1.12
375 sysadm 1.21 return display_menu(p_menu);
376 sysadm 1.12 }
377    
378 sysadm 1.21 int menu_control(MENU_SET *p_menu_set, int key)
379 sysadm 1.1 {
380 sysadm 1.21 int i;
381     MENU *p_menu;
382 sysadm 1.3
383 sysadm 1.21 if (p_menu_set->menu_count == 0)
384 sysadm 1.26 {
385 sysadm 1.21 return 0;
386 sysadm 1.26 }
387 sysadm 1.3
388 sysadm 1.21 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
389 sysadm 1.3
390 sysadm 1.21 switch (key)
391 sysadm 1.10 {
392 sysadm 1.21 case CR:
393 sysadm 1.24 igetch(1); // Cleanup remaining '\n' in the buffer
394 sysadm 1.21 case KEY_RIGHT:
395     if (p_menu->items[p_menu->item_cur_pos]->submenu)
396     {
397     if (strcmp(p_menu->items[p_menu->item_cur_pos]->action, "..") == 0)
398 sysadm 1.26 {
399 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
400 sysadm 1.26 }
401 sysadm 1.21 p_menu_set->menu_select_depth++;
402 sysadm 1.26 p_menu = get_menu(p_menu_set, p_menu->items[p_menu->item_cur_pos]->action);
403     p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = p_menu;
404    
405 sysadm 1.21 if (display_menu(p_menu) != 0)
406 sysadm 1.26 {
407 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
408 sysadm 1.26 }
409 sysadm 1.21 break;
410     }
411     else
412     {
413     return (exec_cmd(p_menu->items[p_menu->item_cur_pos]->action,
414     p_menu->items[p_menu->item_cur_pos]->name));
415     }
416     case KEY_LEFT:
417     if (p_menu_set->menu_select_depth > 0)
418     {
419     p_menu_set->menu_select_depth--;
420     if (display_current_menu(p_menu_set) != 0)
421 sysadm 1.26 {
422 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
423 sysadm 1.26 }
424 sysadm 1.21 break;
425     }
426     else
427     {
428     display_menu_cursor(p_menu, 0);
429     p_menu->item_cur_pos = p_menu->item_count - 1;
430 sysadm 1.26 while (!p_menu->items[p_menu->item_cur_pos]->display ||
431     p_menu->items[p_menu->item_cur_pos]->priv != 0 ||
432     p_menu->items[p_menu->item_cur_pos]->level != 0)
433     {
434 sysadm 1.21 p_menu->item_cur_pos--;
435 sysadm 1.26 }
436 sysadm 1.21 display_menu_cursor(p_menu, 1);
437     break;
438     }
439     case KEY_UP:
440     display_menu_cursor(p_menu, 0);
441     do
442     {
443     p_menu->item_cur_pos--;
444     if (p_menu->item_cur_pos < 0)
445 sysadm 1.26 {
446 sysadm 1.21 p_menu->item_cur_pos = p_menu->item_count - 1;
447 sysadm 1.26 }
448 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
449     display_menu_cursor(p_menu, 1);
450     break;
451     case KEY_DOWN:
452     display_menu_cursor(p_menu, 0);
453     do
454     {
455     p_menu->item_cur_pos++;
456     if (p_menu->item_cur_pos >= p_menu->item_count)
457 sysadm 1.26 {
458 sysadm 1.21 p_menu->item_cur_pos = 0;
459 sysadm 1.26 }
460 sysadm 1.21 } while (!p_menu->items[p_menu->item_cur_pos]->display);
461     display_menu_cursor(p_menu, 1);
462     break;
463     default:
464     for (i = 0; i < p_menu->item_count; i++)
465     {
466     if (key == p_menu->items[i]->name[0] &&
467     p_menu->items[i]->display)
468     {
469     display_menu_cursor(p_menu, 0);
470     p_menu->item_cur_pos = i;
471     display_menu_cursor(p_menu, 1);
472     return 0;
473     }
474     }
475     if (isalpha(key))
476     {
477     for (i = 0; i < p_menu->item_count; i++)
478     {
479     if (toupper(key) == toupper(p_menu->items[i]->name[0]) &&
480     p_menu->items[i]->display)
481     {
482     display_menu_cursor(p_menu, 0);
483     p_menu->item_cur_pos = i;
484     display_menu_cursor(p_menu, 1);
485     return 0;
486     }
487     }
488 sysadm 1.16 }
489 sysadm 1.3 }
490 sysadm 1.1
491 sysadm 1.21 return 0;
492 sysadm 1.1 }
493 sysadm 1.15
494 sysadm 1.21 void unload_menu(MENU_SET *p_menu_set)
495 sysadm 1.15 {
496 sysadm 1.21 MENU *p_menu;
497     int i, j;
498    
499     for (i = 0; i < p_menu_set->menu_count; i++)
500 sysadm 1.16 {
501 sysadm 1.21 p_menu = p_menu_set->p_menu[i];
502     for (j = 0; j < p_menu->item_count; j++)
503     {
504     free(p_menu->items[j]);
505     }
506     remove(p_menu->screen.filename);
507     free(p_menu);
508 sysadm 1.16 }
509    
510 sysadm 1.21 p_menu_set->menu_count = 0;
511     p_menu_set->menu_select_depth = 0;
512 sysadm 1.15 }
513 sysadm 1.18
514 sysadm 1.21 int reload_menu(MENU_SET *p_menu_set)
515 sysadm 1.18 {
516 sysadm 1.21 int result;
517 sysadm 1.23 char conf_file[FILE_PATH_LEN];
518 sysadm 1.21
519 sysadm 1.27 strncpy(conf_file, p_menu_set->conf_file, sizeof(conf_file) - 1);
520     conf_file[sizeof(conf_file) - 1] = '\0';
521    
522 sysadm 1.21 unload_menu(p_menu_set);
523     result = load_menu(p_menu_set, conf_file);
524 sysadm 1.18
525 sysadm 1.21 return result;
526 sysadm 1.18 }
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