[dmenu] patch: instant

suckless/dmenu/config.def.h

@@ -1,6 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 /* Default settings; can be overriden by command line. */
 
+static int instant = 0;
 static int topbar = 1;                      /* -b  option; if 0, dmenu appears at bottom     */
 static const unsigned int alpha = 0xff;     /* Amount of opacity. 0xff is opaque             */
 /* -fn option overrides fonts[0]; default X11 font or font set */

suckless/dmenu/dmenu.1

@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bfiv ]
+.RB [ \-bfinv ]
 .RB [ \-l
 .IR lines ]
 .RB [ \-m
@@ -47,6 +47,9 @@ is faster, but will lock up X until stdin reaches end\-of\-file.
 .B \-i
 dmenu matches menu items case insensitively.
 .TP
+.B \-n
+dmenu instantly selects if only one match.
+.TP
 .BI \-l " lines"
 dmenu lists items vertically, with the given number of lines.
 .TP

suckless/dmenu/dmenu.c

@@ -287,6 +287,13 @@ match(void)
 		matchend = substrend;
 	}
 	curr = sel = matches;
+
+	if(instant && matches && matches==matchend && !lsubstr) {
+		puts(matches->text);
+		cleanup();
+		exit(0);
+	}
+
 	calcoffsets();
 }
 
@@ -727,7 +734,7 @@ setup(void)
 static void
 usage(void)
 {
-	die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	die("usage: dmenu [-bfinv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 }
 
@@ -749,7 +756,9 @@ main(int argc, char *argv[])
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;
-		} else if (i + 1 == argc)
+		} else if (!strcmp(argv[i], "-n")) /* instant select only match */
+			instant = 1;
+		else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */