Source:NetHack 2.3e/pctty.c

Below is the full text to pctty.c from the source code of NetHack 2.3e.

Warning! This is the source code from an old release. For newer releases, see Source code

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1.    /*	SCCS Id: @(#)pctty.c	2.3	87/12/12
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* tty.c - (PC) version */
4.    
5.    /* With thanks to the people who sent code for SYSV - hpscdi!jon,
6.     * arnold@ucsf-cgl, wcs@bo95b, cbcephus!pds and others.
7.     */
8.    
9.    #include <stdio.h>
10.   #include "hack.h"
11.   #include "func_tab.h"
12.   
13.   extern void savech();
14.   
15.   static char erase_char, kill_char;
16.   
17.   /*
18.    * Get initial state of terminal, set ospeed (for termcap routines)
19.    * and switch off tab expansion if necessary.
20.    * Called by startup() in termcap.c and after returning from ! or ^Z
21.    */
22.   gettty(){
23.   	erase_char = '\b';
24.   	kill_char = 21;		/* cntl-U */
25.   	flags.cbreak = TRUE;
26.   #ifdef DGK
27.   	disable_ctrlP();	/* turn off ^P processing */
28.   #endif
29.   }
30.   
31.   /* reset terminal to original state */
32.   settty(s) char *s; {
33.   	end_screen();
34.   	if(s) printf(s);
35.   	(void) fflush(stdout);
36.   #ifdef DGK
37.   	enable_ctrlP();		/* turn on ^P processing */
38.   #endif
39.   }
40.   
41.   
42.   /* fatal error */
43.   /*VARARGS1*/
44.   error(s,x,y) char *s; {
45.   	end_screen();
46.   	putchar('\n');
47.   	printf(s,x,y);
48.   	putchar('\n');
49.   	exit(1);
50.   }
51.   
52.   /*
53.    * Read a line closed with '\n' into the array char bufp[BUFSZ].
54.    * (The '\n' is not stored. The string is closed with a '\0'.)
55.    * Reading can be interrupted by an escape ('\033') - now the
56.    * resulting string is "\033".
57.    */
58.   getlin(bufp)
59.   register char *bufp;
60.   {
61.   	register char *obufp = bufp;
62.   	register int c;
63.   
64.   	flags.toplin = 2;		/* nonempty, no --More-- required */
65.   	for(;;) {
66.   		(void) fflush(stdout);
67.   		if((c = getchar()) == EOF) {
68.   			*bufp = 0;
69.   			return;
70.   		}
71.   		if(c == '\033') {
72.   			*obufp = c;
73.   			obufp[1] = 0;
74.   			return;
75.   		}
76.   		if(c == erase_char || c == '\b') {
77.   			if(bufp != obufp) {
78.   				bufp--;
79.   				putstr("\b \b"); /* putsym converts \b */
80.   			} else	bell();
81.   		} else if(c == '\n') {
82.   			*bufp = 0;
83.   			return;
84.   		} else if(' ' <= c && c < '\177') {
85.   				/* avoid isprint() - some people don't have it
86.   				   ' ' is not always a printing char */
87.   			*bufp = c;
88.   			bufp[1] = 0;
89.   			putstr(bufp);
90.   			if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO)
91.   				bufp++;
92.   		} else if(c == kill_char || c == '\177') { /* Robert Viduya */
93.   				/* this test last - @ might be the kill_char */
94.   			while(bufp != obufp) {
95.   				bufp--;
96.   				putstr("\b \b");
97.   			}
98.   		} else
99.   			bell();
100.  	}
101.  }
102.  
103.  getret() {
104.  	cgetret("");
105.  }
106.  
107.  cgetret(s)
108.  register char *s;
109.  {
110.  	putsym('\n');
111.  	if(flags.standout)
112.  		standoutbeg();
113.  	putstr("Hit ");
114.  	putstr(flags.cbreak ? "space" : "return");
115.  	putstr(" to continue: ");
116.  	if(flags.standout)
117.  		standoutend();
118.  	xwaitforspace(s);
119.  }
120.  
121.  char morc;	/* tell the outside world what char he used */
122.  
123.  xwaitforspace(s)
124.  register char *s;	/* chars allowed besides space or return */
125.  {
126.  register int c;
127.  
128.  	morc = 0;
129.  	while((c = readchar()) != '\n') {
130.  	    if(flags.cbreak) {
131.  		if(c == ' ') break;
132.  		if(s && index(s,c)) {
133.  			morc = c;
134.  			break;
135.  		}
136.  		bell();
137.  	    }
138.  	}
139.  }
140.  
141.  static int last_multi;
142.  
143.  char *
144.  parse()
145.  {
146.  	static char inline[COLNO];
147.  	register foo;
148.  
149.  	flags.move = 1;
150.  	if(!Invisible) curs_on_u(); else home();
151.  	multi = 0;
152.  #ifdef DGK
153.  	while((foo = readchar()) >= '0' && foo <= '9') {
154.  		multi = 10*multi+foo-'0';
155.  		if (multi < 0 || multi > LARGEST_INT)
156.  			multi = LARGEST_INT;
157.  		if (multi > 9) {
158.  			remember_topl();
159.  			home();
160.  			cl_end();
161.  			printf("Count: %d", multi);
162.  		}
163.  		last_multi = multi;
164.  	}
165.  # ifdef REDO
166.  	if (foo == DOAGAIN || in_doagain)
167.  		multi = last_multi;
168.  	else {
169.  		savech(0);	/* reset input queue */
170.  		savech(foo);
171.  	}
172.  # endif
173.  
174.  #else /* DGK */
175.  
176.  	while((foo = readchar()) >= '0' && foo <= '9')
177.  		multi = 10*multi+foo-'0';
178.  
179.  #endif /* DGK */
180.  
181.  	if(multi) {
182.  		multi--;
183.  		save_cm = inline;
184.  	}
185.  	inline[0] = foo;
186.  	inline[1] = 0;
187.  	if(foo == 'g' || foo == 'G'){
188.  		inline[1] = getchar();
189.  #ifdef REDO
190.  		savech(inline[1]);
191.  #endif
192.  		inline[2] = 0;
193.  	}
194.  	if(foo == 'm' || foo == 'M'){
195.  		inline[1] = getchar();
196.  #ifdef REDO
197.  		savech(inline[1]);
198.  #endif
199.  		inline[2] = 0;
200.  	}
201.  	clrlin();
202.  	return(inline);
203.  }
204.  
205.  char
206.  readchar() {
207.  	register int sym;
208.  
209.  	(void) fflush(stdout);
210.  	sym = getchar();
211.  	if(flags.toplin == 1)
212.  		flags.toplin = 2;
213.  	return((char) sym);
214.  }
215.  #ifdef COM_COMPL
216.  /* Read in an extended command - doing command line completion for
217.   * when enough character have been entered to make a unique command.
218.   * This is just a modified getlin().   -jsb
219.   */
220.  get_ext_cmd(bufp)
221.  register char *bufp;
222.  {
223.  	register char *obufp = bufp;
224.  	register int c;
225.  	int com_index, index;
226.  
227.  	flags.toplin = 2;		/* nonempty, no --More-- required */
228.  
229.  	for(;;) {
230.  		(void) fflush(stdout);
231.  		if((c = readchar()) == EOF) {
232.  			*bufp = 0;
233.  			return;
234.  		}
235.  		if(c == '\033') {
236.  			*obufp = c;
237.  			obufp[1] = 0;
238.  			return;
239.  		}
240.  		if(c == erase_char || c == '\b') {
241.  			if(bufp != obufp) {
242.  				bufp--;
243.  				putstr("\b \b"); /* putsym converts \b */
244.  			} else	bell();
245.  		} else if(c == '\n') {
246.  			*bufp = 0;
247.  			return;
248.  		} else if(' ' <= c && c < '\177') {
249.  				/* avoid isprint() - some people don't have it
250.  				   ' ' is not always a printing char */
251.  			*bufp = c;
252.  			bufp[1] = 0;
253.  			index = 0;
254.  			com_index = -1;
255.  
256.  			while(extcmdlist[index].ef_txt != (char *) 0){
257.  				if(!strncmp(obufp, extcmdlist[index].ef_txt,
258.  				strlen(obufp)))
259.  					if(com_index == -1) /* No matches yet*/
260.  					    com_index = index;
261.  					else /* More than 1 match */
262.  					    com_index = -2;
263.  				index++;
264.  			}
265.  			if(com_index >= 0){
266.  				strcpy(obufp,
267.  				extcmdlist[com_index].ef_txt);
268.  				/* finish print our string */
269.  				putstr(bufp);
270.  				bufp = obufp; /* reset it */
271.  				if(strlen(obufp) < BUFSIZ-1 &&
272.  				 strlen(obufp) < COLNO)
273.  					/* set bufp at the end of our
274.  					 * string
275.  					 */
276.  					bufp += strlen(obufp);
277.  			} else {
278.  				putstr(bufp);
279.  				if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO)
280.  					bufp++;
281.  			}
282.  		} else if(c == kill_char || c == '\177') { /* Robert Viduya */
283.  				/* this test last - @ might be the kill_char */
284.  			while(bufp != obufp) {
285.  				bufp--;
286.  				putstr("\b \b");
287.  			}
288.  		} else
289.  			bell();
290.  	}
291.  
292.  }
293.  #endif /* COM_COMPL /* */