4 * This file contains functions which implement parts of the
5 * text-mode user interface.
16 #include <sys/types.h>
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
35 #ifdef HAVE_SYS_SELECT_H
36 #include <sys/select.h>
39 #ifdef THREADED_CLIENT
49 #include "citadel_decls.h"
51 #include "routines2.h"
54 #include "client_chat.h"
67 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
71 char rc_exp_cmd[1024];
72 int rc_allow_attachments;
73 int rc_display_message_numbers;
74 int rc_force_mail_prompts;
75 int rc_remember_passwords;
78 int rc_prompt_control = 0;
79 char urls[MAXURLS][SIZ];
83 int next_lazy_cmd = 5;
85 int lines_printed = 0; /* line count for paginator */
86 extern int screenwidth, screenheight;
89 struct citcmd *cmdlist = NULL;
92 /* these variables are local to this module */
93 char keepalives_enabled = KA_YES; /* send NOOPs to server when idle */
94 int ok_to_interrupt = 0; /* print express msgs asynchronously */
95 time_t AnsiDetect; /* when did we send the detect code? */
96 int enable_color = 0; /* nonzero for ANSI color */
102 * If an interesting key has been pressed, return its value, otherwise 0
104 char was_a_key_pressed(void) {
114 retval = select(1, &rfds, NULL, NULL, &tv);
116 /* Careful! Disable keepalives during keyboard polling; we're probably
117 * in the middle of a data transfer from the server, in which case
118 * sending a NOOP would throw the client protocol out of sync.
120 if (FD_ISSET(0, &rfds)) {
121 set_keepalives(KA_NO);
122 the_character = inkey();
123 set_keepalives(KA_YES);
128 return(the_character);
136 * Check to see if we need to pause at the end of a screen.
137 * If we do, we have to disable server keepalives during the pause because
138 * we are probably in the middle of a server operation and the NOOP command
139 * would confuse everything.
141 int checkpagin(int lp, int pagin, int height)
145 if (sigcaught) return(lp);
146 thekey = was_a_key_pressed();
147 if (thekey == 'q' || thekey == 'Q' || thekey == 's' || thekey == 'S')
149 if (thekey == 'n' || thekey == 'N')
151 if ( (thekey == NEXT_KEY) || (thekey == STOP_KEY)) sigcaught = thekey;
152 if (sigcaught) return(lp);
154 if (!pagin) return(0);
155 if (lp>=(height-1)) {
156 set_keepalives(KA_NO);
158 set_keepalives(KA_YES);
168 * pprintf() ... paginated version of printf()
170 void pprintf(const char *format, ...) {
172 static char buf[4096]; /* static for performance, change if needed */
175 /* If sigcaught is nonzero, a keypress has interrupted this and we
176 * should just drain output.
178 if (sigcaught) return;
180 /* Otherwise, start spewing... */
181 va_start(arg_ptr, format);
182 vsprintf(buf, format, arg_ptr);
185 for (i=0; i<strlen(buf); ++i) {
189 lines_printed = checkpagin(lines_printed,
190 (userflags & US_PAGINATOR),
199 * print_express() - print express messages if there are any
201 void print_express(void)
211 if (express_msgs == 0)
217 if (strlen(rc_exp_cmd) == 0) {
222 while (express_msgs != 0) {
228 express_msgs = extract_int(&buf[4], 0);
229 timestamp = extract_long(&buf[4], 1);
230 flags = extract_int(&buf[4], 2);
231 extract(sender, &buf[4], 3);
232 extract(node, &buf[4], 4);
233 strcpy(last_paged, sender);
235 stamp = localtime(×tamp);
237 /* If the page is a Logoff Request, honor it. */
243 if (strlen(rc_exp_cmd) > 0) {
244 outpipe = popen(rc_exp_cmd, "w");
245 if (outpipe != NULL) {
246 /* Header derived from flags */
249 "Please log off now, as requested ");
251 fprintf(outpipe, "Broadcast message ");
253 fprintf(outpipe, "Chat request ");
255 fprintf(outpipe, "Message ");
256 /* Timestamp. Can this be improved? */
257 if (stamp->tm_hour == 0 || stamp->tm_hour == 12)
258 fprintf(outpipe, "at 12:%02d%cm",
260 stamp->tm_hour ? 'p' : 'a');
261 else if (stamp->tm_hour > 12) /* pm */
262 fprintf(outpipe, "at %d:%02dpm",
266 fprintf(outpipe, "at %d:%02dam",
267 stamp->tm_hour, stamp->tm_min);
268 fprintf(outpipe, " from %s", sender);
269 if (strncmp(serv_info.serv_nodename, node, 32))
270 fprintf(outpipe, " @%s", node);
271 fprintf(outpipe, ":\n");
272 while (serv_gets(buf), strcmp(buf, "000")) {
273 fprintf(outpipe, "%s\n", buf);
276 if (express_msgs == 0)
281 /* fall back to built-in express message display */
285 /* Header derived from flags */
287 scr_printf("Please log off now, as requested ");
289 scr_printf("Broadcast message ");
291 scr_printf("Chat request ");
293 scr_printf("Message ");
295 /* Timestamp. Can this be improved? */
296 if (stamp->tm_hour == 0 || stamp->tm_hour == 12)/* 12am/12pm */
297 scr_printf("at 12:%02d%cm", stamp->tm_min,
298 stamp->tm_hour ? 'p' : 'a');
299 else if (stamp->tm_hour > 12) /* pm */
300 scr_printf("at %d:%02dpm",
301 stamp->tm_hour - 12, stamp->tm_min);
303 scr_printf("at %d:%02dam", stamp->tm_hour, stamp->tm_min);
306 scr_printf(" from %s", sender);
308 /* Remote node, if any */
309 if (strncmp(serv_info.serv_nodename, node, 32))
310 scr_printf(" @%s", node);
314 fmout(screenwidth, NULL, NULL, 1, screenheight, -1, 0);
316 scr_printf("\n---\n");
323 void set_keepalives(int s)
325 keepalives_enabled = (char) s;
329 * This loop handles the "keepalive" messages sent to the server when idling.
332 static time_t idlet = 0;
333 static void really_do_keepalive(void) {
337 if (keepalives_enabled == KA_YES) {
342 if (ok_to_interrupt == 1) {
343 scr_printf("\r%64s\r", "");
345 scr_printf("%s%c ", room_name,
346 room_prompt(room_flags));
353 /* threaded nonblocking keepalive stuff starts here. I'm going for a simple
354 encapsulated interface; in theory there should be no need to touch these
355 globals outside of the async_ka_* functions. */
357 #ifdef THREADED_CLIENT
358 static pthread_t ka_thr_handle;
359 static int ka_thr_active = 0;
360 static int async_ka_enabled = 0;
362 static void *ka_thread(void *arg)
364 really_do_keepalive();
365 pthread_detach(ka_thr_handle);
370 /* start up a thread to handle a keepalive in the background */
371 static void async_ka_exec(void)
373 if (!ka_thr_active) {
375 if (pthread_create(&ka_thr_handle, NULL, ka_thread, NULL)) {
376 perror("pthread_create");
381 #endif /* THREADED_CLIENT */
383 /* I changed this from static to not because I need to call it from
384 screen.c, either that or make something in screen.c not static.
385 Fix it how you like. Why all the staticness? stu */
387 void do_keepalive(void)
392 if ((now - idlet) < ((long) S_KEEPALIVE))
395 /* Do a space-backspace to keep telnet sessions from idling out */
396 scr_printf(" %c", 8);
399 #ifdef THREADED_CLIENT
400 if (async_ka_enabled)
404 really_do_keepalive();
408 /* Now the actual async-keepalve API that we expose to higher levels:
409 async_ka_start() and async_ka_end(). These do nothing when we don't have
410 threading enabled, so we avoid sprinkling ifdef's throughout the code. */
412 /* wait for a background keepalive to complete. this must be done before
413 attempting any further server requests! */
414 void async_ka_end(void)
416 #ifdef THREADED_CLIENT
418 pthread_join(ka_thr_handle, NULL);
424 /* tell do_keepalive() that keepalives are asynchronous. */
425 void async_ka_start(void)
427 #ifdef THREADED_CLIENT
434 { /* get a character from the keyboard, with */
435 int a; /* the watchdog timer in effect if necessary */
445 /* This loop waits for keyboard input. If the keepalive
446 * timer expires, it sends a keepalive to the server if
447 * necessary and then waits again.
454 tv.tv_sec = S_KEEPALIVE;
457 select(1, &rfds, NULL, NULL, &tv);
458 } while (!FD_ISSET(0, &rfds));
460 /* At this point, there's input, so fetch it.
461 * (There's a hole in the bucket...)
470 if (((a != 4) && (a != 10) && (a != 8) && (a != NEXT_KEY) && (a != STOP_KEY))
471 && ((a < 32) || (a > 126)))
479 { /* Returns 1 for yes, 0 for no */
495 /* Returns 1 for yes, 0 for no, arg is default value */
518 /* Gets a line from the terminal */
519 /* string == Pointer to string buffer */
520 /* lim == Maximum length - if negative, no-show */
521 void getline(char *string, int lim)
535 if ((a == 8) && (strlen(string) == 0))
537 if ((a != 10) && (a != 8) && (strlen(string) == lim))
539 if ((a == 8) && (string[0] != 0)) {
540 string[strlen(string) - 1] = 0;
565 * strprompt() - prompt for a string, print the existing value and
566 * allow the user to press return to keep it...
568 void strprompt(char *prompt, char *str, int len)
573 scr_printf("%s ", prompt);
576 color(BRIGHT_MAGENTA);
577 scr_printf("%s", str);
590 * boolprompt() - prompt for a yes/no, print the existing value and
591 * allow the user to press return to keep it...
593 int boolprompt(char *prompt, int prev_val)
598 scr_printf("%s ", prompt);
601 color(BRIGHT_MAGENTA);
602 scr_printf("%s", (prev_val ? "Yes" : "No"));
606 r = (yesno_d(prev_val));
612 * intprompt() - like strprompt(), except for an integer
613 * (note that it RETURNS the new value!)
615 int intprompt(char *prompt, int ival, int imin, int imax)
623 snprintf(buf, sizeof buf, "%d", i);
624 strprompt(prompt, buf, 15);
626 for (p=0; p<strlen(buf); ++p) {
627 if ( (!isdigit(buf[p]))
628 && ( (buf[p]!='-') || (p!=0) ) )
632 scr_printf("*** Must be no less than %d.\n", imin);
634 scr_printf("*** Must be no more than %d.\n", imax);
635 } while ((i < imin) || (i > imax));
640 * newprompt() - prompt for a string with no existing value
641 * (clears out string buffer first)
643 void newprompt(char *prompt, char *str, int len)
645 color(BRIGHT_MAGENTA);
646 scr_printf("%s", prompt);
654 { /* returns a lower case value */
663 * parse the citadel.rc file
665 void load_command_set(void)
670 struct citcmd *lastcmd = NULL;
675 /* first, set up some defaults for non-required variables */
677 strcpy(editor_path, "");
678 strcpy(printcmd, "");
679 strcpy(rc_username, "");
680 strcpy(rc_password, "");
683 rc_allow_attachments = 0;
684 rc_remember_passwords = 0;
685 strcpy(rc_exp_cmd, "");
686 rc_display_message_numbers = 0;
687 rc_force_mail_prompts = 0;
689 strcpy(rc_url_cmd, "");
690 rc_encrypt = RC_DEFAULT;
692 rc_screen = RC_DEFAULT;
694 rc_alt_semantics = 0;
696 /* now try to open the citadel.rc file */
699 if (getenv("HOME") != NULL) {
700 snprintf(buf, sizeof buf, "%s/.citadelrc", getenv("HOME"));
701 ccfile = fopen(buf, "r");
703 if (ccfile == NULL) {
704 snprintf(buf, sizeof buf, "%s/citadel.rc", BBSDIR);
705 ccfile = fopen(buf, "r");
707 if (ccfile == NULL) {
708 ccfile = fopen("/etc/citadel.rc", "r");
710 if (ccfile == NULL) {
711 ccfile = fopen("./citadel.rc", "r");
713 if (ccfile == NULL) {
714 perror("commands: cannot open citadel.rc");
717 while (fgets(buf, sizeof buf, ccfile) != NULL) {
718 while ((strlen(buf) > 0) ? (isspace(buf[strlen(buf) - 1])) : 0)
719 buf[strlen(buf) - 1] = 0;
721 if (!strncasecmp(buf, "encrypt=", 8)) {
722 if (!strcasecmp(&buf[8], "yes"))
724 else if (!strcasecmp(&buf[8], "no"))
726 else if (!strcasecmp(&buf[8], "default"))
727 rc_encrypt = RC_DEFAULT;
731 if (!strncasecmp(buf, "fullscreen=", 11)) {
732 if (!strcasecmp(&buf[11], "yes"))
734 else if (!strcasecmp(&buf[11], "no"))
739 if (!strncasecmp(buf, "editor=", 7))
740 strcpy(editor_path, &buf[7]);
742 if (!strncasecmp(buf, "printcmd=", 9))
743 strcpy(printcmd, &buf[9]);
745 if (!strncasecmp(buf, "expcmd=", 7))
746 strcpy(rc_exp_cmd, &buf[7]);
748 if (!strncasecmp(buf, "local_screen_dimensions=", 24))
749 have_xterm = (char) atoi(&buf[24]);
751 if (!strncasecmp(buf, "use_floors=", 11)) {
752 if (!strcasecmp(&buf[11], "yes"))
753 rc_floor_mode = RC_YES;
754 if (!strcasecmp(&buf[11], "no"))
755 rc_floor_mode = RC_NO;
756 if (!strcasecmp(&buf[11], "default"))
757 rc_floor_mode = RC_DEFAULT;
759 if (!strncasecmp(buf, "beep=", 5)) {
760 rc_exp_beep = atoi(&buf[5]);
762 if (!strncasecmp(buf, "allow_attachments=", 18)) {
763 rc_allow_attachments = atoi(&buf[18]);
765 if (!strncasecmp(buf, "remember_passwords=", 19)) {
766 rc_remember_passwords = atoi(&buf[19]);
768 if (!strncasecmp(buf, "display_message_numbers=", 24)) {
769 rc_display_message_numbers = atoi(&buf[24]);
771 if (!strncasecmp(buf, "force_mail_prompts=", 19)) {
772 rc_force_mail_prompts = atoi(&buf[19]);
774 if (!strncasecmp(buf, "ansi_color=", 11)) {
775 if (!strncasecmp(&buf[11], "on", 2))
777 if (!strncasecmp(&buf[11], "auto", 4))
778 rc_ansi_color = 2; /* autodetect */
779 if (!strncasecmp(&buf[11], "user", 4))
780 rc_ansi_color = 3; /* user config */
782 if (!strncasecmp(buf, "prompt_control=", 15)) {
783 if (!strncasecmp(&buf[15], "on", 2))
784 rc_prompt_control = 1;
785 if (!strncasecmp(&buf[15], "user", 4))
786 rc_prompt_control = 3; /* user config */
788 if (!strncasecmp(buf, "username=", 9))
789 strcpy(rc_username, &buf[9]);
791 if (!strncasecmp(buf, "password=", 9))
792 strcpy(rc_password, &buf[9]);
794 if (!strncasecmp(buf, "urlcmd=", 7))
795 strcpy(rc_url_cmd, &buf[7]);
797 if (!strncasecmp(buf, "alternate_semantics=", 20)) {
798 if (!strncasecmp(&buf[11], "yes", 3))
799 rc_alt_semantics = 1;
800 if (!strncasecmp(&buf[11], "no", 2))
801 rc_alt_semantics = 0;
803 if (!strncasecmp(buf, "cmd=", 4)) {
804 strcpy(buf, &buf[4]);
806 cptr = (struct citcmd *) malloc(sizeof(struct citcmd));
808 cptr->c_cmdnum = atoi(buf);
809 for (d = strlen(buf); d >= 0; --d)
812 strcpy(buf, &buf[b + 1]);
814 cptr->c_axlevel = atoi(buf);
815 for (d = strlen(buf); d >= 0; --d)
818 strcpy(buf, &buf[b + 1]);
820 for (a = 0; a < 5; ++a)
821 cptr->c_keys[a][0] = 0;
825 buf[strlen(buf) + 1] = 0;
826 while (strlen(buf) > 0) {
828 for (d = strlen(buf); d >= 0; --d)
831 strncpy(cptr->c_keys[a], buf, b);
832 cptr->c_keys[a][b] = 0;
834 strcpy(buf, &buf[b + 1]);
844 lastcmd->next = cptr;
854 * return the key associated with a command
856 char keycmd(char *cmdstr)
860 for (a = 0; a < strlen(cmdstr); ++a)
861 if (cmdstr[a] == '&')
862 return (tolower(cmdstr[a + 1]));
868 * Output the string from a key command without the ampersand
869 * "mode" should be set to 0 for normal or 1 for <C>ommand key highlighting
871 char *cmd_expand(char *strbuf, int mode)
879 for (a = 0; a < strlen(exp); ++a) {
880 if (strbuf[a] == '&') {
883 strcpy(&exp[a], &exp[a + 1]);
887 strcpy(buf, &exp[a + 2]);
893 if (!strncmp(&exp[a], "^r", 2)) {
895 strcpy(&exp[a], room_name);
896 strcat(exp, &buf[a + 2]);
898 if (!strncmp(&exp[a], "^c", 2)) {
900 strcpy(&exp[a + 1], &exp[a + 2]);
910 * Comparison function to determine if entered commands match a
911 * command loaded from the config file.
913 int cmdmatch(char *cmdbuf, struct citcmd *cptr, int ncomp)
924 for (a = 0; a < ncomp; ++a) {
925 if ((tolower(cmdbuf[a]) != keycmd(cptr->c_keys[a]))
926 || (cptr->c_axlevel > cmdax))
934 * This function returns 1 if a given command requires a string input
936 int requires_string(struct citcmd *cptr, int ncomp)
941 strcpy(buf, cptr->c_keys[ncomp - 1]);
942 for (a = 0; a < strlen(buf); ++a) {
951 * Input a command at the main prompt.
952 * This function returns an integer command number. If the command prompts
953 * for a string then it is placed in the supplied buffer.
955 int getcmd(char *argbuf)
967 * Starting a new command now, so set sigcaught to 0. This variable
968 * is set to nonzero (usually NEXT_KEY or STOP_KEY) if a command has
969 * been interrupted by a keypress.
973 /* Switch color support on or off if we're in user mode */
974 if (rc_ansi_color == 3) {
975 if (userflags & US_COLOR)
980 /* if we're running in idiot mode, display a cute little menu */
981 IFNEXPERT formout("mainmenu");
983 print_express(); /* print express messages if there are any */
986 for (a = 0; a < 5; ++a)
988 /* now the room prompt... */
991 scr_printf("\n%s", room_name);
993 scr_printf("%c ", room_prompt(room_flags));
1000 /* Handle the backspace key, but only if there's something
1001 * to backspace over...
1003 if ((ch == 8) && (cmdpos > 0)) {
1004 back(cmdspaces[cmdpos - 1] + 1);
1008 /* Spacebar invokes "lazy traversal" commands */
1009 if ((ch == 32) && (cmdpos == 0)) {
1010 this_lazy_cmd = next_lazy_cmd;
1011 if (this_lazy_cmd == 13)
1013 if (this_lazy_cmd == 5)
1015 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1016 if (cptr->c_cmdnum == this_lazy_cmd) {
1017 for (a = 0; a < 5; ++a)
1018 if (cptr->c_keys[a][0] != 0)
1019 scr_printf("%s ", cmd_expand(
1020 cptr->c_keys[a], 0));
1022 return (this_lazy_cmd);
1026 return (this_lazy_cmd);
1028 /* Otherwise, process the command */
1029 cmdbuf[cmdpos] = tolower(ch);
1031 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1032 if (cmdmatch(cmdbuf, cptr, cmdpos + 1)) {
1034 scr_printf("%s", cmd_expand(cptr->c_keys[cmdpos], 0));
1035 cmdspaces[cmdpos] = strlen(
1036 cmd_expand(cptr->c_keys[cmdpos], 0));
1038 if ((cptr->c_keys[cmdpos + 1]) != 0)
1044 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1045 if (cmdmatch(cmdbuf, cptr, 5)) {
1046 /* We've found our command. */
1047 if (requires_string(cptr, cmdpos)) {
1048 getline(argbuf, 32);
1053 /* If this command is one that changes rooms,
1054 * then the next lazy-command (space bar)
1055 * should be "read new" instead of "goto"
1057 if ((cptr->c_cmdnum == 5)
1058 || (cptr->c_cmdnum == 6)
1059 || (cptr->c_cmdnum == 47)
1060 || (cptr->c_cmdnum == 52)
1061 || (cptr->c_cmdnum == 16)
1062 || (cptr->c_cmdnum == 20))
1065 return (cptr->c_cmdnum);
1071 pprintf("\rOne of ... \n");
1072 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1073 if (cmdmatch(cmdbuf, cptr, cmdpos)) {
1074 for (a = 0; a < 5; ++a) {
1075 pprintf("%s ", cmd_expand(cptr->c_keys[a], 1));
1081 pprintf("\n%s%c ", room_name, room_prompt(room_flags));
1083 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1084 if ((got == 0) && (cmdmatch(cmdbuf, cptr, cmdpos))) {
1085 for (a = 0; a < cmdpos; ++a) {
1087 cmd_expand(cptr->c_keys[a], 0));
1102 * set tty modes. commands are:
1104 * 01- set to bbs mode
1105 * 2 - save current settings for later restoral
1106 * 3 - restore saved settings
1108 #ifdef HAVE_TERMIOS_H
1109 void sttybbs(int cmd)
1110 { /* SysV version of sttybbs() */
1111 struct termios live;
1112 static struct termios saved_settings;
1113 static int last_cmd = 0;
1120 if ((cmd == 0) || (cmd == 1)) {
1121 tcgetattr(0, &live);
1122 live.c_iflag = ISTRIP | IXON | IXANY;
1123 live.c_oflag = OPOST | ONLCR;
1124 live.c_lflag = ISIG | NOFLSH;
1126 live.c_cc[VINTR] = (-1);
1127 live.c_cc[VQUIT] = (-1);
1130 live.c_cc[VMIN] = 0;
1131 live.c_cc[VTIME] = 0;
1134 /* do we even need this stuff anymore? */
1135 /* live.c_line=0; */
1136 live.c_cc[VERASE] = 8;
1137 live.c_cc[VKILL] = 24;
1138 live.c_cc[VEOF] = 1;
1139 live.c_cc[VEOL] = 255;
1140 live.c_cc[VEOL2] = 0;
1141 live.c_cc[VSTART] = 0;
1142 tcsetattr(0, TCSADRAIN, &live);
1145 tcgetattr(0, &saved_settings);
1148 tcsetattr(0, TCSADRAIN, &saved_settings);
1152 void sttybbs(int cmd)
1153 { /* BSD version of sttybbs() */
1155 static struct sgttyb saved_settings;
1156 static int last_cmd = 0;
1163 if ((cmd == 0) || (cmd == 1)) {
1165 live.sg_flags |= CBREAK;
1166 live.sg_flags |= CRMOD;
1167 live.sg_flags |= NL1;
1168 live.sg_flags &= ~ECHO;
1170 live.sg_flags |= NOFLSH;
1174 gtty(0, &saved_settings);
1177 stty(0, &saved_settings);
1184 * display_help() - help file viewer
1186 void display_help(char *name)
1193 * fmout() - Citadel text formatter and paginator
1196 int width, /* screen width to use */
1197 FILE *fpin, /* file to read from, or NULL to read from server */
1198 FILE *fpout, /* File to write to, or NULL to write to screen */
1199 char pagin, /* nonzero if we should use the paginator */
1200 int height, /* screen height to use */
1201 int starting_lp,/* starting value for lines_printed, -1 for global */
1202 char subst) /* nonzero if we should use hypertext mode */
1204 int a, b, c, d, old;
1210 num_urls = 0; /* Start with a clean slate of embedded URL's */
1212 if (starting_lp >= 0) {
1213 lines_printed = starting_lp;
1218 c = 1; /* c is the current pos */
1220 FMTA: while ((eof_flag == 0) && (strlen(buffer) < 126)) {
1221 if (fpin != NULL) { /* read from file */
1224 if (eof_flag == 0) {
1226 buffer[strlen(buffer) + 1] = 0;
1227 buffer[strlen(buffer)] = a;
1229 } else { /* read from server */
1231 serv_gets(&buffer[d]);
1232 while ((!isspace(buffer[d])) && (isspace(buffer[strlen(buffer) - 1])))
1233 buffer[strlen(buffer) - 1] = 0;
1234 if (!strcmp(&buffer[d], "000")) {
1237 while (isspace(buffer[strlen(buffer) - 1]))
1238 buffer[strlen(buffer) - 1] = 0;
1246 if ( (!strncasecmp(buffer, "http://", 7))
1247 || (!strncasecmp(buffer, "ftp://", 6)) ) {
1248 safestrncpy(urls[num_urls], buffer, (SIZ-1));
1249 for (a=0; a<strlen(urls[num_urls]); ++a) {
1250 b = urls[num_urls][a];
1251 if ( (b==' ') || (b==')') || (b=='>') || (b==10)
1252 || (b==13) || (b==9) || (b=='\"') )
1253 urls[num_urls][a] = 0;
1258 buffer[strlen(buffer) + 1] = 0;
1260 strcpy(buffer, &buffer[1]);
1267 if (((a == 13) || (a == 10)) && (old != 13) && (old != 10))
1269 if (((old == 13) || (old == 10)) && (isspace(real))) {
1271 fprintf(fpout, "\n");
1275 lines_printed = checkpagin(lines_printed, pagin, height);
1283 if (((strlen(aaa) + c) > (width - 1)) && (strlen(aaa) > (width - 1))) {
1285 fprintf(fpout, "\n%s", aaa);
1287 scr_printf("\n%s", aaa);
1289 lines_printed = checkpagin(lines_printed, pagin, height);
1299 if ((strlen(aaa) + c) > (width - 1)) {
1302 fprintf(fpout, "\n");
1306 lines_printed = checkpagin(lines_printed, pagin, height);
1310 fprintf(fpout, "%s ", aaa);
1312 scr_printf("%s ", aaa);
1315 c = c + strlen(aaa);
1319 if ((a == 13) || (a == 10)) {
1321 fprintf(fpout, "%s\n", aaa);
1323 scr_printf("%s\n", aaa);
1325 lines_printed = checkpagin(lines_printed, pagin, height);
1328 if (sigcaught) goto OOPS;
1334 /* keypress caught; drain the server */
1337 } while (strcmp(aaa, "000"));
1341 fprintf(fpout, "\n");
1345 lines_printed = checkpagin(lines_printed, pagin, height);
1352 * support ANSI color if defined
1354 void color(int colornum)
1356 static int is_bold = 0;
1357 static int hold_color, current_color;
1359 if (colornum == COLOR_PUSH) {
1360 hold_color = current_color;
1364 if (colornum == COLOR_POP) {
1369 current_color = colornum;
1371 #ifdef HAVE_CURSES_H
1372 if (scr_color(colornum))
1375 /* When switching to dim white, actually output an 'original
1376 * pair' sequence -- this looks better on black-on-white
1379 if (colornum == DIM_WHITE)
1380 printf("\033[39;49m");
1382 printf("\033[3%d;40m", (colornum & 7));
1384 if ((colornum >= 8) && (is_bold == 0)) {
1387 } else if ((colornum < 8) && (is_bold == 1)) {
1395 void cls(int colornum)
1398 printf("\033[4%dm\033[2J\033[H\033[0m", colornum);
1405 * Detect whether ANSI color is available (answerback)
1407 void send_ansi_detect(void)
1409 if (rc_ansi_color == 2) {
1416 void look_for_ansi(void)
1424 if (rc_ansi_color == 0) {
1426 } else if (rc_ansi_color == 1) {
1428 } else if (rc_ansi_color == 2) {
1430 /* otherwise, do the auto-detect */
1435 if ((now - AnsiDetect) < 2)
1444 select(1, &rfds, NULL, NULL, &tv);
1445 if (FD_ISSET(0, &rfds)) {
1446 abuf[strlen(abuf) + 1] = 0;
1447 read(0, &abuf[strlen(abuf)], 1);
1449 } while (FD_ISSET(0, &rfds));
1451 for (a = 0; a < strlen(abuf); ++a) {
1452 if ((abuf[a] == 27) && (abuf[a + 1] == '[')
1453 && (abuf[a + 2] == '?')) {
1462 * Display key options (highlight hotkeys inside angle brackets)
1464 void keyopt(char *buf) {
1468 for (i=0; i<strlen(buf); ++i) {
1471 color(BRIGHT_MAGENTA);
1485 * Present a key-menu line choice type of thing
1487 char keymenu(char *menuprompt, char *menustring) {
1493 int display_prompt = 1;
1495 choices = num_tokens(menustring, '|');
1497 if (menuprompt != NULL) do_prompt = 1;
1498 if (menuprompt != NULL) if (strlen(menuprompt)==0) do_prompt = 0;
1501 if (display_prompt) {
1503 scr_printf("%s ", menuprompt);
1506 for (i=0; i<choices; ++i) {
1507 extract(buf, menustring, i);
1517 if ( (do_prompt) && (ch=='?') ) {
1518 scr_printf("\rOne of... ");
1520 for (i=0; i<choices; ++i) {
1521 extract(buf, menustring, i);
1530 for (i=0; i<choices; ++i) {
1531 extract(buf, menustring, i);
1532 for (c=1; c<strlen(buf); ++c) {
1533 if ( (ch == tolower(buf[c]))
1535 && (buf[c+1]=='>') ) {
1536 for (a=0; a<strlen(buf); ++a) {
1537 if ( (a!=(c-1)) && (a!=(c+1))) {