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Commit | Line | Data |
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c441a31a | 1 | /* $Id$ |
2aaf83c2 | 2 | * |
07c56447 | 3 | * Generic menu system module. |
4 | * | |
7ac48069 | 5 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology. |
6 | * For copying and distribution information, see the file | |
7 | * <mit-copyright.h>. | |
07c56447 | 8 | */ |
9 | ||
babbc197 | 10 | #include <mit-copyright.h> |
7ac48069 | 11 | #include <moira.h> |
12 | #include "menu.h" | |
13 | ||
14 | #include <ctype.h> | |
ea0caf4a | 15 | #ifdef HAVE_CURSES |
7ac48069 | 16 | #include <curses.h> |
ea0caf4a | 17 | #endif |
7ac48069 | 18 | #include <signal.h> |
07c56447 | 19 | #include <stdio.h> |
7798ebc3 | 20 | #include <stdlib.h> |
cde7e985 | 21 | #include <string.h> |
cde7e985 | 22 | #include <unistd.h> |
7ac48069 | 23 | |
24 | RCSID("$Header$"); | |
07c56447 | 25 | |
4ea05fb6 | 26 | #ifdef MAX |
27 | #undef MAX | |
28 | #undef MIN | |
29 | #endif | |
5eaef520 | 30 | #define MAX(A, B) ((A) > (B) ? (A) : (B)) |
31 | #define MIN(A, B) ((A) < (B) ? (A) : (B)) | |
967b7c08 | 32 | #define CTL(ch) ((ch) & 037) |
07c56447 | 33 | |
34 | #define MIN_INPUT 2 /* Minimum number of lines for input window */ | |
35 | ||
facd6784 | 36 | extern int interrupt; /* will be set if ^C is received */ |
859891c0 | 37 | extern char *whoami; |
38 | ||
39 | FILE *log_file = (FILE *) NULL; /* file stream of log file */ | |
e9db439c | 40 | int more_flg = 1; |
2aaf83c2 | 41 | |
07c56447 | 42 | /* Structure for holding current displayed menu */ |
43 | struct menu_screen { | |
ea0caf4a | 44 | #ifdef HAVE_CURSES |
5eaef520 | 45 | WINDOW *ms_screen; /* Window for this menu */ |
46 | WINDOW *ms_title; /* Title subwindow */ | |
47 | WINDOW *ms_menu; /* Menu subwindow */ | |
48 | WINDOW *ms_input; /* Input subwindow */ | |
ea0caf4a | 49 | #endif /* HAVE_CURSES */ |
5eaef520 | 50 | int ms_input_y; /* Input subwindow reference coordinate */ |
51 | } *cur_ms; | |
07c56447 | 52 | |
ea0caf4a | 53 | #ifndef HAVE_CURSES |
54 | int COLS; | |
55 | #endif | |
56 | ||
2aaf83c2 | 57 | #define NULLMS ((struct menu_screen *) 0) |
58 | ||
59 | Menu *top_menu; /* Root for command search */ | |
11317e48 | 60 | int parsed_argc; /* used by extern routines to get additional */ |
61 | char **parsed_argv; /* comand line input */ | |
2aaf83c2 | 62 | |
7ac48069 | 63 | int Parse_words(char *buf, char *argv[], int n); |
64 | void refresh_ms(struct menu_screen *ms); | |
65 | void Put_line(char *msg); | |
5652b7a9 | 66 | void menu_com_err_hook(const char *who, long code, |
67 | const char *fmt, va_list ap); | |
7ac48069 | 68 | struct menu_screen *make_ms(int length); |
69 | void destroy_ms(struct menu_screen *ms); | |
70 | struct menu_line *find_command_from(char *c, struct menu *m, int d); | |
71 | struct menu_line *Find_command(Menu *m, char *command); | |
72 | int toggle_logging(int argc, char *argv[]); | |
73 | ||
6298c97d | 74 | /* |
75 | * Hook function to cause error messages to be printed through | |
5652b7a9 | 76 | * curses instead of around it. |
6298c97d | 77 | */ |
78 | ||
5652b7a9 | 79 | void menu_com_err_hook(const char *who, long code, const char *fmt, va_list ap) |
6298c97d | 80 | { |
5eaef520 | 81 | char buf[BUFSIZ], *cp; |
82 | ||
1bf73297 | 83 | if (who) |
84 | { | |
85 | strcpy(buf, who); | |
86 | for (cp = buf; *cp; cp++) | |
87 | ; | |
88 | *cp++ = ':'; | |
89 | *cp++ = ' '; | |
90 | } | |
91 | else | |
92 | { | |
93 | cp = buf; | |
94 | *cp = '\0'; | |
95 | } | |
5eaef520 | 96 | if (code) |
97 | { | |
98 | strcpy(cp, error_message(code)); | |
99 | while (*cp) | |
100 | cp++; | |
6298c97d | 101 | } |
7ac48069 | 102 | vsprintf(cp, fmt, ap); |
5eaef520 | 103 | Put_message(buf); |
6298c97d | 104 | } |
105 | ||
ea0caf4a | 106 | #ifdef HAVE_CURSES |
07c56447 | 107 | /* |
108 | * Start_menu takes a menu as an argument. It initializes curses u.s.w., | |
109 | * and a quit in any submenu should unwind back to here. (it might not, | |
110 | * if user functions which run their own menus don't cooperate.) | |
111 | * Start_menu should only be called once, at the start of the program. | |
112 | */ | |
7ac48069 | 113 | void Start_menu(Menu *m) |
07c56447 | 114 | { |
44d12d58 | 115 | void (*old_hook)(const char *, long, const char *, va_list) = |
5652b7a9 | 116 | set_com_err_hook(menu_com_err_hook); |
d7cef8a3 | 117 | #ifdef CURSES_HAS_NEWTERM |
118 | SCREEN *scrn = newterm(NULL, stdout, stdin); | |
119 | #else | |
120 | WINDOW *scrn = initscr(); | |
121 | #endif | |
122 | if (!scrn) | |
5eaef520 | 123 | { |
d7cef8a3 | 124 | fputs("Can't initialize curses!\nReverting to -nomenu mode\n\n", stderr); |
5eaef520 | 125 | Start_no_menu(m); |
07c56447 | 126 | } |
5eaef520 | 127 | else |
128 | { | |
d7cef8a3 | 129 | #ifdef CURSES_HAS_NEWTERM |
130 | set_term(scrn); | |
2e09ee40 | 131 | endwin(); |
132 | initscr(); | |
d7cef8a3 | 133 | #endif |
5eaef520 | 134 | raw(); /* We parse & print everything ourselves */ |
135 | noecho(); | |
136 | cur_ms = make_ms(0); /* So we always have some current */ | |
137 | /* menu_screen */ | |
138 | /* Run the menu */ | |
139 | Do_menu(m, -1, NULL); | |
d7cef8a3 | 140 | Cleanup_menu(); |
5eaef520 | 141 | } |
142 | set_com_err_hook(old_hook); | |
967b7c08 | 143 | } |
144 | ||
7ac48069 | 145 | void Cleanup_menu(void) |
967b7c08 | 146 | { |
5eaef520 | 147 | if (cur_ms) |
148 | { | |
149 | wclear(cur_ms->ms_screen); | |
150 | wrefresh(cur_ms->ms_screen); | |
d7cef8a3 | 151 | endwin(); |
967b7c08 | 152 | } |
07c56447 | 153 | } |
5eaef520 | 154 | |
07c56447 | 155 | /* |
156 | * Create a new menu screen template with the specified menu length | |
157 | * and return it. | |
158 | */ | |
5eaef520 | 159 | struct menu_screen *make_ms(int length) |
07c56447 | 160 | { |
5eaef520 | 161 | struct menu_screen *ms; |
07c56447 | 162 | |
5eaef520 | 163 | if (MAX_TITLE + length + MIN_INPUT > LINES) |
164 | { | |
165 | fputs("Menu too big!\n", stderr); | |
166 | exit(2); | |
07c56447 | 167 | } |
168 | ||
5eaef520 | 169 | ms = malloc(sizeof(struct menu_screen)); |
07c56447 | 170 | |
5eaef520 | 171 | ms->ms_screen = newwin(0, 0, 0, 0); |
172 | ms->ms_title = subwin(ms->ms_screen, MAX_TITLE, 0, 0, 0); | |
173 | ms->ms_menu = subwin(ms->ms_screen, length, 0, MAX_TITLE, 0); | |
174 | ms->ms_input = subwin(ms->ms_screen, 0, 0, | |
175 | ms->ms_input_y = MAX_TITLE + length, | |
176 | 0); | |
07c56447 | 177 | |
5eaef520 | 178 | scrollok(ms->ms_input, TRUE); |
179 | wmove(ms->ms_input, 0, 0); | |
180 | wclear(ms->ms_screen); | |
07c56447 | 181 | |
5eaef520 | 182 | return ms; |
07c56447 | 183 | } |
184 | ||
185 | /* | |
186 | * This routine destroys a menu_screen. | |
187 | */ | |
7ac48069 | 188 | void destroy_ms(struct menu_screen *ms) |
07c56447 | 189 | { |
5eaef520 | 190 | delwin(ms->ms_title); |
191 | delwin(ms->ms_menu); | |
192 | delwin(ms->ms_input); | |
193 | delwin(ms->ms_screen); | |
194 | free(ms); | |
07c56447 | 195 | } |
ea0caf4a | 196 | #endif /* HAVE_CURSES */ |
197 | ||
198 | /* Like Start_menu, except it doesn't print menus and doesn't use curses */ | |
199 | void Start_no_menu(Menu *m) | |
200 | { | |
201 | cur_ms = NULLMS; | |
202 | COLS = 80; | |
203 | /* Run the menu */ | |
204 | Do_menu(m, -1, NULL); | |
205 | } | |
07c56447 | 206 | |
207 | /* | |
208 | * This guy actually puts up the menu | |
967b7c08 | 209 | * Note: if margc < 0, no 'r' option will be displayed (i.e., on the |
210 | * top level menu) | |
07c56447 | 211 | */ |
5eaef520 | 212 | int Do_menu(Menu *m, int margc, char *margv[]) |
07c56447 | 213 | { |
5eaef520 | 214 | struct menu_screen *my_ms = NULLMS, *old_cur_ms = NULLMS; |
215 | char argvals[MAX_ARGC][MAX_ARGLEN]; /* This is where args are stored */ | |
216 | char buf[MAX_ARGC * MAX_ARGLEN]; | |
217 | char *argv[MAX_ARGC]; | |
218 | int line; | |
219 | int i; | |
7ac48069 | 220 | struct menu_line *command; |
5eaef520 | 221 | int argc; |
222 | int quitflag, is_topmenu = (margc < 0); | |
5eaef520 | 223 | |
224 | /* Entry function gets called with old menu_screen still current */ | |
225 | if (m->m_entry != NULLFUNC) | |
226 | { | |
227 | if (m->m_entry(m, margc, margv) == DM_QUIT) | |
228 | return DM_NORMAL; | |
229 | if (parsed_argc > 0) | |
230 | { | |
231 | margc = parsed_argc + 1; | |
232 | margv = --parsed_argv; | |
233 | } | |
234 | else | |
235 | { | |
236 | margc--; | |
237 | margv++; | |
11317e48 | 238 | } |
239 | } | |
240 | ||
5eaef520 | 241 | parsed_argc = 0; |
242 | ||
ea0caf4a | 243 | #ifdef HAVE_CURSES |
5eaef520 | 244 | /* The following get run only in curses mode */ |
245 | if (cur_ms != NULLMS) | |
246 | { | |
247 | /* Get a menu_screen */ | |
248 | old_cur_ms = cur_ms; | |
249 | /* 2 is for the 2 obligatory lines; quit and toggle */ | |
250 | cur_ms = my_ms = make_ms(m->m_length + 2 + (is_topmenu ? 0 : 1)); | |
251 | ||
252 | /* Now print the title and the menu */ | |
253 | wclear(my_ms->ms_screen); | |
254 | wrefresh(my_ms->ms_screen); | |
2349681b | 255 | wmove(my_ms->ms_title, 0, MAX(0, (COLS - (int)strlen(m->m_title)) >> 1)); |
5eaef520 | 256 | wstandout(my_ms->ms_title); |
257 | waddstr(my_ms->ms_title, m->m_title); | |
258 | wstandend(my_ms->ms_title); | |
259 | ||
260 | for (line = 0; line < m->m_length; line++) | |
261 | { | |
262 | int len = strlen(m->m_lines[line].ml_command); | |
263 | if (len > 12) | |
264 | len = 12; | |
265 | ||
266 | wmove(my_ms->ms_menu, line, 0); | |
267 | ||
268 | wprintw(my_ms->ms_menu, "%2d. (%s)%*s %s.", line + 1, | |
269 | m->m_lines[line].ml_command, 12 - len, "", | |
270 | m->m_lines[line].ml_doc); | |
2aaf83c2 | 271 | } |
5eaef520 | 272 | wmove(my_ms->ms_menu, line++, 0); |
273 | if (!is_topmenu) | |
274 | { | |
275 | waddstr(my_ms->ms_menu, | |
276 | " r. (return) Return to previous menu."); | |
277 | wmove(my_ms->ms_menu, line++, 0); | |
967b7c08 | 278 | } |
5eaef520 | 279 | waddstr(my_ms->ms_menu, " t. (toggle) Toggle logging on and off."); |
280 | wmove(my_ms->ms_menu, line, 0); | |
281 | waddstr(my_ms->ms_menu, " q. (quit) Quit."); | |
282 | } | |
283 | else | |
ea0caf4a | 284 | #endif /* HAVE_CURSES */ |
5eaef520 | 285 | { |
286 | Put_message(m->m_title); | |
287 | for (line = 0; line < m->m_length; line++) | |
288 | { | |
289 | sprintf(buf, "%2d. (%s)%*s %s.", line + 1, | |
290 | m->m_lines[line].ml_command, | |
291 | 12 - strlen(m->m_lines[line].ml_command), "", | |
292 | m->m_lines[line].ml_doc); | |
293 | Put_message(buf); | |
33a56ee9 | 294 | } |
5eaef520 | 295 | if (!is_topmenu) |
296 | Put_message(" r. (return) Return to previous menu."); | |
297 | Put_message(" t. (toggle) Toggle logging on and off."); | |
298 | Put_message(" q. (quit) Quit."); | |
299 | Put_message(" ?. Print this information."); | |
07c56447 | 300 | } |
07c56447 | 301 | |
5eaef520 | 302 | for (;;) |
303 | { | |
304 | /* This will be set by a return val from func or submenu */ | |
305 | quitflag = DM_NORMAL; | |
ea0caf4a | 306 | #ifdef HAVE_CURSES |
5eaef520 | 307 | /* This is here because we may be coming from another menu */ |
308 | if (cur_ms != NULL) | |
309 | { | |
310 | touchwin(my_ms->ms_screen); | |
311 | wrefresh(my_ms->ms_screen); | |
c3e65787 | 312 | } |
ea0caf4a | 313 | #endif /* HAVE_CURSES */ |
5eaef520 | 314 | if (margc > 1) |
315 | { | |
316 | /* Initialize argv */ | |
317 | for (argc = 0; argc < MAX_ARGC; argc++) | |
318 | argv[argc] = argvals[argc]; | |
319 | argc = margc - 1; | |
320 | for (i = 1; i < margc; i++) | |
321 | strcpy(argvals[i - 1], margv[i]); | |
322 | margc = 0; | |
e85f474d | 323 | } |
5eaef520 | 324 | else |
325 | { | |
326 | /* Get a command */ | |
327 | if (!Prompt_input("Command: ", buf, sizeof(buf))) | |
328 | { | |
329 | if (cur_ms == NULLMS && feof(stdin)) | |
330 | sprintf(buf, "quit"); | |
331 | else | |
332 | continue; | |
333 | } | |
334 | /* Parse it into the argument list */ | |
335 | /* If there's nothing there, try again */ | |
336 | /* Initialize argv */ | |
337 | for (argc = 0; argc < MAX_ARGC; argc++) | |
338 | argv[argc] = argvals[argc]; | |
339 | ||
340 | if ((argc = Parse_words(buf, argv, MAX_ARGLEN)) == 0) | |
341 | continue; | |
e9db439c | 342 | } |
5eaef520 | 343 | if ((line = atoi(argv[0])) > 0 && line <= m->m_length) |
344 | command = &m->m_lines[line - 1]; | |
345 | else if ((!is_topmenu && | |
346 | (!strcmp(argv[0], "r") || !strcmp(argv[0], "return"))) || | |
347 | !strcmp(argv[0], "q") || !strcmp(argv[0], "quit")) | |
348 | { | |
349 | /* here if it's either return or quit */ | |
ea0caf4a | 350 | #ifdef HAVE_CURSES |
5eaef520 | 351 | if (cur_ms != NULLMS) |
352 | { | |
353 | cur_ms = old_cur_ms; | |
354 | destroy_ms(my_ms); | |
2aaf83c2 | 355 | } |
ea0caf4a | 356 | #endif /* HAVE_CURSES */ |
5eaef520 | 357 | if (m->m_exit != NULLFUNC) |
358 | m->m_exit(m); | |
359 | return *argv[0] == 'r' ? DM_NORMAL : DM_QUIT; | |
e9db439c | 360 | } |
5eaef520 | 361 | else if (argv[0][0] == '?') |
362 | { | |
363 | for (line = 0; line < m->m_length; line++) | |
364 | { | |
365 | sprintf(buf, "%2d. (%s)%*s %s.", line + 1, | |
366 | m->m_lines[line].ml_command, | |
367 | 12 - strlen(m->m_lines[line].ml_command), "", | |
368 | m->m_lines[line].ml_doc); | |
369 | Put_message(buf); | |
33a56ee9 | 370 | } |
5eaef520 | 371 | if (!is_topmenu) |
372 | Put_message(" r. (return) Return to previous menu."); | |
373 | Put_message(" t. (toggle) Toggle logging on and off."); | |
374 | Put_message(" q. (quit) Quit."); | |
375 | continue; | |
33a56ee9 | 376 | } |
5eaef520 | 377 | else if (!strcmp(argv[0], "t") || !strcmp(argv[0], "toggle")) |
378 | { | |
379 | toggle_logging(argc, argv); | |
380 | continue; | |
e9db439c | 381 | } |
5eaef520 | 382 | /* finally, try to find it using Find_command */ |
383 | else if (!(command = Find_command(m, argvals[0]))) | |
384 | { | |
385 | sprintf(buf, "Command not recognized: %s\n", argvals[0]); | |
386 | Put_message(buf); | |
387 | continue; | |
2aaf83c2 | 388 | } |
5eaef520 | 389 | /* If we got to here, command is a valid menu_line */ |
390 | /* Send the offical command name into the argv */ | |
391 | strcpy(argvals[0], command->ml_command); | |
392 | /* Show that we're working on it */ | |
393 | Put_message(command->ml_doc); | |
394 | /* Print args that we've already got */ | |
395 | for (i = 1; i < argc; i++) | |
396 | { | |
397 | if (!command->ml_args[i].ma_prompt) | |
398 | break; | |
399 | sprintf(buf, "%s%s", command->ml_args[i].ma_prompt, argv[i]); | |
400 | Put_message(buf); | |
2aaf83c2 | 401 | } |
5eaef520 | 402 | /* Get remaining arguments, if any */ |
403 | for (; argc < command->ml_argc; argc++) | |
404 | { | |
405 | if (!Prompt_input(command->ml_args[argc].ma_prompt, | |
406 | argvals[argc], sizeof(argvals[argc]))) | |
407 | goto punt_command; | |
e9db439c | 408 | } |
5eaef520 | 409 | parsed_argc = argc - command->ml_argc; |
410 | parsed_argv = &(argv[command->ml_argc]); | |
411 | if (command->ml_function != NULLFUNC) | |
412 | { | |
413 | /* If it's got a function, call it */ | |
414 | quitflag = command->ml_function(argc, argv); | |
e9db439c | 415 | } |
5eaef520 | 416 | else if (command->ml_submenu != NULLMENU) |
417 | { | |
418 | /* Else see if it is a submenu */ | |
419 | quitflag = Do_menu(command->ml_submenu, argc, argv); | |
07c56447 | 420 | } |
5eaef520 | 421 | else |
422 | { | |
423 | /* If it's got neither, something is wrong */ | |
424 | Put_message("*INTERNAL ERROR: NO FUNCTION OR MENU FOR LINE*"); | |
425 | } | |
426 | if (quitflag == DM_QUIT) | |
427 | { | |
ea0caf4a | 428 | #ifdef HAVE_CURSES |
5eaef520 | 429 | if (cur_ms != NULLMS) |
430 | { | |
431 | cur_ms = old_cur_ms; | |
432 | destroy_ms(my_ms); | |
2aaf83c2 | 433 | } |
ea0caf4a | 434 | #endif /* HAVE_CURSES */ |
5eaef520 | 435 | if (m->m_exit != NULLFUNC) |
436 | m->m_exit(m); | |
437 | parsed_argc = 0; | |
438 | return DM_QUIT; | |
07c56447 | 439 | } |
967b7c08 | 440 | punt_command: |
5eaef520 | 441 | parsed_argc = 0; |
07c56447 | 442 | } |
443 | } | |
444 | ||
7ac48069 | 445 | void refresh_screen(void) |
142e9b37 | 446 | { |
ea0caf4a | 447 | #ifdef HAVE_CURSES |
5eaef520 | 448 | if (cur_ms != NULLMS) |
449 | { | |
450 | touchwin(cur_ms->ms_screen); | |
451 | refresh_ms(cur_ms); | |
142e9b37 | 452 | } |
ea0caf4a | 453 | #endif /* HAVE_CURSES */ |
142e9b37 | 454 | } |
455 | ||
456 | ||
07c56447 | 457 | /* Prompt the user for input in the input window of cur_ms */ |
5eaef520 | 458 | int Prompt_input(char *prompt, char *buf, int buflen) |
07c56447 | 459 | { |
5eaef520 | 460 | int c; |
461 | char *p; | |
462 | int y, x, oldx, oldy; | |
463 | ||
ea0caf4a | 464 | #ifdef HAVE_CURSES |
5eaef520 | 465 | if (cur_ms != NULLMS) |
466 | { | |
467 | more_flg = 1; | |
468 | getyx(cur_ms->ms_input, y, x); | |
469 | wmove(cur_ms->ms_input, y, 0); | |
470 | ||
471 | refresh_screen(); | |
472 | waddstr(cur_ms->ms_input, prompt); | |
473 | getyx(cur_ms->ms_input, y, x); | |
474 | ||
475 | oldx = x; | |
476 | oldy = y; | |
477 | p = buf; | |
478 | while (1) | |
479 | { | |
480 | wmove(cur_ms->ms_input, y, x); | |
481 | touchwin(cur_ms->ms_screen); | |
482 | wclrtoeol(cur_ms->ms_input); | |
483 | wrefresh(cur_ms->ms_input); | |
484 | c = getchar() & 0x7f; | |
485 | switch (c) | |
486 | { | |
967b7c08 | 487 | case CTL('C'): |
5eaef520 | 488 | *p = '\0'; |
489 | return 0; | |
967b7c08 | 490 | case CTL('Z'): |
5eaef520 | 491 | kill(getpid(), SIGTSTP); |
492 | touchwin(cur_ms->ms_screen); | |
493 | break; | |
967b7c08 | 494 | case CTL('L'): |
5eaef520 | 495 | wclear(cur_ms->ms_input); |
496 | wmove(cur_ms->ms_input, 0, 0); | |
497 | waddstr(cur_ms->ms_input, prompt); | |
498 | touchwin(cur_ms->ms_input); | |
499 | wrefresh(cur_ms->ms_screen); | |
500 | getyx(cur_ms->ms_input, y, x); | |
501 | oldy = y; | |
502 | oldx = x; | |
503 | p = buf; | |
504 | break; | |
6298c97d | 505 | |
e9db439c | 506 | case '\n': |
507 | case '\r': | |
5eaef520 | 508 | goto end_input; |
509 | /* these should be obtained by doing ioctl() on tty */ | |
2aaf83c2 | 510 | case '\b': |
511 | case '\177': | |
5eaef520 | 512 | if (p > buf) |
513 | { | |
514 | p--; | |
515 | x--; | |
516 | if (x < 0) | |
517 | { | |
518 | wmove(cur_ms->ms_input, y, 0); | |
519 | wclrtoeol(cur_ms->ms_input); | |
520 | y--; | |
ea0caf4a | 521 | x = getmaxx(cur_ms->ms_input) - 1; |
c13d1215 | 522 | } |
2aaf83c2 | 523 | } |
5eaef520 | 524 | break; |
967b7c08 | 525 | case CTL('U'): |
526 | case CTL('G'): | |
527 | case CTL('['): | |
5eaef520 | 528 | x = oldx; |
529 | y = oldy; | |
530 | p = buf; | |
531 | break; | |
2aaf83c2 | 532 | default: |
5eaef520 | 533 | /* (buflen - 1) leaves room for the \0 */ |
534 | if (isprint(c) && (p - buf < buflen - 1)) | |
535 | { | |
536 | waddch(cur_ms->ms_input, c); | |
537 | *p++ = c; | |
538 | x++; | |
ea0caf4a | 539 | if (x >= getmaxx(cur_ms->ms_input)) |
5eaef520 | 540 | { |
541 | x = 0; | |
542 | y++; | |
c13d1215 | 543 | } |
5eaef520 | 544 | } |
545 | else | |
546 | putchar(CTL('G')); | |
547 | break; | |
07c56447 | 548 | } |
07c56447 | 549 | } |
f659480d | 550 | end_input: |
5eaef520 | 551 | waddch(cur_ms->ms_input, '\n'); |
552 | ||
553 | wclrtoeol(cur_ms->ms_input); | |
554 | refresh_ms(cur_ms); | |
555 | *p = '\0'; | |
556 | Start_paging(); | |
fca49f53 | 557 | strcpy(buf, strtrim(buf)); |
558 | return 1; | |
5eaef520 | 559 | } |
560 | else | |
ea0caf4a | 561 | #endif /* HAVE_CURSES */ |
5eaef520 | 562 | { |
fca49f53 | 563 | char bigbuf[BUFSIZ]; |
564 | ||
5eaef520 | 565 | printf("%s", prompt); |
fca49f53 | 566 | if (!fgets(bigbuf, BUFSIZ, stdin)) |
5eaef520 | 567 | return 0; |
568 | if (interrupt) | |
569 | { | |
570 | interrupt = 0; | |
571 | return 0; | |
facd6784 | 572 | } |
5eaef520 | 573 | Start_paging(); |
fca49f53 | 574 | strncpy(buf, strtrim(bigbuf), buflen); |
575 | if (strchr(buf, '\n')) | |
576 | *strchr(buf, '\n') = '\0'; | |
577 | else | |
578 | buf[buflen - 1] = '\0'; | |
579 | return 1; | |
07c56447 | 580 | } |
581 | } | |
582 | ||
2aaf83c2 | 583 | int lines_left; |
584 | ||
585 | /* Start paging */ | |
586 | /* This routine will cause the most recently put message to be the | |
587 | one at the top of the screen when a ---More--- prompt is displayed */ | |
7ac48069 | 588 | void Start_paging(void) |
2aaf83c2 | 589 | { |
ea0caf4a | 590 | #ifdef HAVE_CURSES |
5eaef520 | 591 | if (cur_ms != NULLMS) |
592 | lines_left = LINES - cur_ms->ms_input_y - 1; | |
593 | else | |
ea0caf4a | 594 | #endif /* HAVE_CURSES */ |
5eaef520 | 595 | lines_left = 23; |
2aaf83c2 | 596 | } |
597 | ||
598 | /* Turn off paging */ | |
7ac48069 | 599 | void Stop_paging(void) |
2aaf83c2 | 600 | { |
5eaef520 | 601 | lines_left = -1; |
2aaf83c2 | 602 | } |
603 | ||
f659480d | 604 | /* Print a message in the input window of cur_ms. */ |
7ac48069 | 605 | void Put_message(char *msg) |
f659480d | 606 | { |
5eaef520 | 607 | char *copy, *line, *s; |
608 | ||
609 | copy = malloc(COLS); | |
610 | s = line = msg; | |
611 | if (log_file) | |
612 | { | |
613 | /* if we're doing logging; we assume that the file has already | |
614 | been opened. */ | |
615 | fprintf(log_file, "%s\n", msg); | |
616 | fflush(log_file); | |
f659480d | 617 | } |
5eaef520 | 618 | |
619 | while (*s++) | |
620 | { | |
621 | if (s - line >= COLS - 1) | |
622 | { | |
623 | strncpy(copy, line, COLS - 1); | |
624 | copy[COLS - 1] = '\0'; | |
625 | line += COLS - 1; | |
626 | } | |
627 | else if (*s == '\n') | |
628 | { | |
629 | *s = '\0'; | |
630 | strcpy(copy, line); | |
631 | line = ++s; | |
632 | } | |
633 | else | |
634 | continue; | |
635 | Put_line(copy); | |
636 | } | |
637 | Put_line(line); | |
638 | free(copy); | |
f659480d | 639 | } |
640 | ||
641 | /* Will be truncated to COLS characters. */ | |
7ac48069 | 642 | void Put_line(char *msg) |
07c56447 | 643 | { |
5eaef520 | 644 | int y, x, i; |
645 | char *msg1, chr; | |
646 | ||
647 | if (!more_flg) | |
648 | return; | |
649 | ||
650 | if (lines_left >= 0) | |
651 | { | |
652 | if (--lines_left == 0) | |
653 | { | |
654 | /* Give the user a more prompt */ | |
ea0caf4a | 655 | #ifdef HAVE_CURSES |
5eaef520 | 656 | if (cur_ms != NULLMS) |
657 | { | |
658 | wstandout(cur_ms->ms_input); | |
659 | wprintw(cur_ms->ms_input, "---More---"); | |
660 | wstandend(cur_ms->ms_input); | |
661 | refresh_ms(cur_ms); | |
662 | chr = getchar() & 0x7f;/* We do care what it is */ | |
663 | if (chr == 'q' || chr == 'Q' || chr == 3 /* ^C */) | |
664 | { | |
665 | more_flg = 0; | |
666 | return; | |
e9db439c | 667 | } |
5eaef520 | 668 | getyx(cur_ms->ms_input, y, x); |
669 | /* x is a bitbucket; avoid lint problems */ | |
670 | x = x; | |
671 | wmove(cur_ms->ms_input, y, 0); | |
672 | wclrtoeol(cur_ms->ms_input); | |
e9db439c | 673 | } |
5eaef520 | 674 | else |
ea0caf4a | 675 | #endif /* HAVE_CURSES */ |
5eaef520 | 676 | { |
677 | printf("---More (hit return)---"); | |
678 | getchar(); | |
2aaf83c2 | 679 | } |
5eaef520 | 680 | Start_paging(); /* Reset lines_left */ |
2aaf83c2 | 681 | } |
682 | } | |
e9db439c | 683 | |
ea0caf4a | 684 | #ifdef HAVE_CURSES |
5eaef520 | 685 | if (cur_ms != NULLMS) |
686 | { | |
687 | msg1 = calloc(COLS, 1); | |
688 | strncpy(msg1, msg, COLS - 1); | |
689 | for (i = strlen(msg1); i < COLS - 1; i++) | |
690 | msg1[i] = ' '; | |
691 | wprintw(cur_ms->ms_input, "%s\n", msg1); | |
2aaf83c2 | 692 | } |
5eaef520 | 693 | else |
ea0caf4a | 694 | #endif /* HAVE_CURSES */ |
5eaef520 | 695 | puts(msg); |
07c56447 | 696 | } |
697 | ||
ea0caf4a | 698 | #ifdef HAVE_CURSES |
07c56447 | 699 | /* Refresh a menu_screen onto the real screen */ |
7ac48069 | 700 | void refresh_ms(struct menu_screen *ms) |
07c56447 | 701 | { |
5eaef520 | 702 | wrefresh(ms->ms_title); |
703 | wrefresh(ms->ms_menu); | |
704 | wrefresh(ms->ms_input); | |
2aaf83c2 | 705 | } |
ea0caf4a | 706 | #endif /* HAVE_CURSES */ |
2aaf83c2 | 707 | |
708 | /* Parse buf into a list of words, which will be placed in strings specified by | |
709 | argv. Space for these strings must have already been allocated. | |
710 | Only the first n characters of each word will be copied */ | |
5eaef520 | 711 | int Parse_words(char *buf, char *argv[], int n) |
2aaf83c2 | 712 | { |
5eaef520 | 713 | char *start, *end; /* For sausage machine */ |
714 | int argc; | |
715 | ||
716 | start = buf; | |
717 | for (argc = 0; argc < MAX_ARGC; argc++) | |
718 | { | |
719 | while (isspace(*start)) | |
720 | start++; /* Kill whitespace */ | |
721 | if (*start == '\0') | |
722 | break; /* Nothing left */ | |
723 | /* Now find the end of the word */ | |
724 | for (end = start; *end != '\0' && !isspace(*end); end++) | |
725 | ; | |
726 | strncpy(argv[argc], start, MIN(end - start, n)); /* Copy it */ | |
727 | argv[argc][MIN(end - start, n - 1)] = '\0'; /* Terminate */ | |
728 | start = end; | |
2aaf83c2 | 729 | } |
5eaef520 | 730 | return argc; |
2aaf83c2 | 731 | } |
732 | ||
733 | /* This is the internal form of Find_command, which recursively searches | |
734 | for a menu_line with command command in the specified menu */ | |
735 | /* It will search to a maximum depth of d */ | |
5eaef520 | 736 | struct menu_line *find_command_from(char *c, struct menu *m, int d) |
2aaf83c2 | 737 | { |
5eaef520 | 738 | int line; |
739 | struct menu_line *maybe; | |
740 | ||
741 | if (d < 0) | |
742 | return NULL; /* Too deep! */ | |
743 | for (line = 0; line < m->m_length; line++) | |
744 | { | |
745 | if (!strcmp(c, m->m_lines[line].ml_command)) | |
746 | return &m->m_lines[line]; | |
73b2adba | 747 | } |
5eaef520 | 748 | for (line = 0; line < m->m_length; line++) |
749 | { | |
750 | if (m->m_lines[line].ml_submenu != NULLMENU && | |
751 | (maybe = find_command_from(c, m->m_lines[line].ml_submenu, d - 1))) | |
752 | return maybe; | |
2aaf83c2 | 753 | } |
5eaef520 | 754 | /* If we got to here, nothing works */ |
755 | return NULL; | |
07c56447 | 756 | } |
2aaf83c2 | 757 | |
758 | /* Find_command searches down the current menu tree */ | |
759 | /* And returns a pointer to a menu_line with the specified command name */ | |
760 | /* It returns (struct menu_line *) 0 if none is found */ | |
5eaef520 | 761 | struct menu_line *Find_command(Menu *m, char *command) |
2aaf83c2 | 762 | { |
5eaef520 | 763 | if (m == NULLMENU) |
764 | return NULL; | |
765 | else | |
766 | return find_command_from(command, m, MAX_MENU_DEPTH); | |
2aaf83c2 | 767 | } |
22705d2b | 768 | |
5eaef520 | 769 | int toggle_logging(int argc, char *argv[]) |
859891c0 | 770 | { |
5eaef520 | 771 | char buf[BUFSIZ]; |
772 | ||
773 | if (!log_file) | |
774 | { | |
087d08b8 | 775 | sprintf(buf, "/var/tmp/%s-log.%ld", whoami, (long)getpid()); |
5eaef520 | 776 | |
777 | /* open the file */ | |
778 | log_file = fopen(buf, "a"); | |
779 | ||
780 | if (!log_file) | |
781 | Put_message("Open of log file failed. Logging is not on."); | |
782 | else | |
783 | Put_message("Log file successfully opened."); | |
859891c0 | 784 | } |
5eaef520 | 785 | else |
786 | { /* log_file is a valid pointer; turn off logging. */ | |
787 | fflush(log_file); | |
788 | fclose(log_file); | |
789 | log_file = NULL; | |
790 | Put_message("Logging off."); | |
791 | } | |
792 | return DM_NORMAL; | |
793 | } |