--- /dev/null
+/* SCCS Id: @(#)getline.c 3.3 96/01/27 */
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* NetHack may be freely redistributed. See license for details. */
+
+#include "hack.h"
+
+#ifdef TTY_GRAPHICS
+
+#include "wintty.h"
+#include "func_tab.h"
+
+#ifdef OVL1
+char morc = 0; /* tell the outside world what char you chose */
+#endif /* OVL1 */
+STATIC_DCL boolean FDECL(ext_cmd_getlin_hook, (char *));
+
+typedef boolean FDECL((*getlin_hook_proc), (char *));
+
+STATIC_DCL void FDECL(hooked_tty_getlin, (const char*,char*,getlin_hook_proc));
+extern int NDECL(extcmd_via_menu); /* cmd.c */
+
+extern char erase_char, kill_char; /* from appropriate tty.c file */
+
+#ifdef OVL1
+
+/*
+ * Read a line closed with '\n' into the array char bufp[BUFSZ].
+ * (The '\n' is not stored. The string is closed with a '\0'.)
+ * Reading can be interrupted by an escape ('\033') - now the
+ * resulting string is "\033".
+ */
+void
+tty_getlin(query, bufp)
+const char *query;
+register char *bufp;
+{
+ hooked_tty_getlin(query, bufp, (getlin_hook_proc) 0);
+}
+
+STATIC_OVL void
+hooked_tty_getlin(query, bufp, hook)
+const char *query;
+register char *bufp;
+getlin_hook_proc hook;
+{
+ register char *obufp = bufp;
+ register int c;
+ struct WinDesc *cw = wins[WIN_MESSAGE];
+ boolean doprev = 0;
+
+ if(ttyDisplay->toplin == 1 && !(cw->flags & WIN_STOP)) more();
+ cw->flags &= ~WIN_STOP;
+ ttyDisplay->toplin = 3; /* special prompt state */
+ ttyDisplay->inread++;
+ pline("%s ", query);
+ *obufp = 0;
+ for(;;) {
+ (void) fflush(stdout);
+ Sprintf(toplines, "%s ", query);
+ Strcat(toplines, obufp);
+ if((c = Getchar()) == EOF) {
+ *bufp = 0;
+ break;
+ }
+ if(c == '\033') {
+ *obufp = c;
+ obufp[1] = 0;
+ break;
+ }
+ if (ttyDisplay->intr) {
+ ttyDisplay->intr--;
+ *bufp = 0;
+ }
+ if(c == '\020') { /* ctrl-P */
+ if(!doprev)
+ (void) tty_doprev_message(); /* need two initially */
+ (void) tty_doprev_message();
+ doprev = 1;
+ continue;
+ } else if(doprev) {
+ tty_clear_nhwindow(WIN_MESSAGE);
+ cw->maxcol = cw->maxrow;
+ doprev = 0;
+ addtopl(query);
+ addtopl(" ");
+ *bufp = 0;
+ addtopl(obufp);
+ }
+ if(c == erase_char || c == '\b') {
+ if(bufp != obufp) {
+ bufp--;
+ putsyms("\b \b");/* putsym converts \b */
+ } else tty_nhbell();
+#if defined(apollo)
+ } else if(c == '\n' || c == '\r') {
+#else
+ } else if(c == '\n') {
+#endif
+ *bufp = 0;
+ break;
+ } else if(' ' <= (unsigned char) c && c != '\177' &&
+ (bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO)) {
+ /* avoid isprint() - some people don't have it
+ ' ' is not always a printing char */
+ *bufp = c;
+ bufp[1] = 0;
+ putsyms(bufp);
+ bufp++;
+ if (hook && (*hook)(obufp)) {
+ putsyms(bufp);
+ bufp = eos(bufp);
+ }
+ } else if(c == kill_char || c == '\177') { /* Robert Viduya */
+ /* this test last - @ might be the kill_char */
+ while(bufp != obufp) {
+ bufp--;
+ putsyms("\b \b");
+ }
+ } else
+ tty_nhbell();
+ }
+ ttyDisplay->toplin = 2; /* nonempty, no --More-- required */
+ ttyDisplay->inread--;
+ clear_nhwindow(WIN_MESSAGE); /* clean up after ourselves */
+}
+
+void
+xwaitforspace(s)
+register const char *s; /* chars allowed besides return */
+{
+ register int c, x = ttyDisplay ? (int) ttyDisplay->dismiss_more : '\n';
+
+ morc = 0;
+
+ while((c = tty_nhgetch()) != '\n') {
+ if(iflags.cbreak) {
+ if ((s && index(s,c)) || c == x) {
+ morc = (char) c;
+ break;
+ }
+ tty_nhbell();
+ }
+ }
+
+}
+
+#endif /* OVL1 */
+#ifdef OVL2
+
+/*
+ * Implement extended command completion by using this hook into
+ * tty_getlin. Check the characters already typed, if they uniquely
+ * identify an extended command, expand the string to the whole
+ * command.
+ *
+ * Return TRUE if we've extended the string at base. Otherwise return FALSE.
+ * Assumptions:
+ *
+ * + we don't change the characters that are already in base
+ * + base has enough room to hold our string
+ */
+STATIC_OVL boolean
+ext_cmd_getlin_hook(base)
+ char *base;
+{
+ int oindex, com_index;
+
+ com_index = -1;
+ for (oindex = 0; extcmdlist[oindex].ef_txt != (char *)0; oindex++) {
+ if (!strncmpi(base, extcmdlist[oindex].ef_txt, strlen(base))) {
+ if (com_index == -1) /* no matches yet */
+ com_index = oindex;
+ else /* more than 1 match */
+ return FALSE;
+ }
+ }
+ if (com_index >= 0) {
+ Strcpy(base, extcmdlist[com_index].ef_txt);
+ return TRUE;
+ }
+
+ return FALSE; /* didn't match anything */
+}
+
+/*
+ * Read in an extended command, doing command line completion. We
+ * stop when we have found enough characters to make a unique command.
+ */
+int
+tty_get_ext_cmd()
+{
+ int i;
+ char buf[BUFSZ];
+
+ if (iflags.extmenu) return extcmd_via_menu();
+ /* maybe a runtime option? */
+ /* hooked_tty_getlin("#", buf, flags.cmd_comp ? ext_cmd_getlin_hook : (getlin_hook_proc) 0); */
+#ifdef REDO
+ hooked_tty_getlin("#", buf, in_doagain ? (getlin_hook_proc)0
+ : ext_cmd_getlin_hook);
+#else
+ hooked_tty_getlin("#", buf, ext_cmd_getlin_hook);
+#endif
+ if (buf[0] == 0 || buf[0] == '\033') return -1;
+
+ for (i = 0; extcmdlist[i].ef_txt != (char *)0; i++)
+ if (!strcmpi(buf, extcmdlist[i].ef_txt)) break;
+
+#ifdef REDO
+ if (!in_doagain) {
+ int j;
+ for (j = 0; buf[j]; j++)
+ savech(buf[j]);
+ savech('\n');
+ }
+#endif
+
+ if (extcmdlist[i].ef_txt == (char *)0) {
+ pline("%s: unknown extended command.", buf);
+ i = -1;
+ }
+
+ return i;
+}
+
+#endif /* OVL2 */
+
+#endif /* TTY_GRAPHICS */
+
+/*getline.c*/
projects / nethack / commitdiff