From 38914e7a39b12ba1001b5464e6d96d1d15e73634 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Fri, 17 Jun 2016 15:33:50 +0200
Subject: [PATCH] incremental mode: dmenu outputs text each time a key is
 pressed.

---
 config.def.h | 1 +
 dmenu.1      | 4 ++++
 dmenu.c      | 8 +++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/config.def.h b/config.def.h
index dcffd38..994f3a5 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,6 +2,7 @@
 /* Default settings; can be overriden by command line. */
 
 static int topbar = 1;                      /* -b  option; if 0, dmenu appears at bottom     */
+static int incremental = 0;                 /* -r  option; if 1, outputs text each time a key is pressed */
 /* -fn option overrides fonts[0]; default X11 font or font set */
 static const char *fonts[] = {
 	"monospace:size=10"
diff --git a/dmenu.1 b/dmenu.1
index d3ab805..e5bf42f 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -18,6 +18,7 @@ dmenu \- dynamic menu
 .IR color ]
 .RB [ \-nf
 .IR color ]
+.RB [ \-r ]
 .RB [ \-sb
 .IR color ]
 .RB [ \-sf
@@ -58,6 +59,9 @@ from 0.
 .BI \-p " prompt"
 defines the prompt to be displayed to the left of the input field.
 .TP
+.B \-r
+dmenu outputs text each time a key is pressed.
+.TP
 .BI \-fn " font"
 defines the font or font set used.
 .TP
diff --git a/dmenu.c b/dmenu.c
index e0c2f80..7f1be56 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -447,6 +447,10 @@ keypress(XKeyEvent *ev)
 		match();
 		break;
 	}
+	if (incremental) {
+		puts(text);
+		fflush(stdout);
+	}
 	drawmenu();
 }
 
@@ -611,7 +615,7 @@ static void
 usage(void)
 {
 	fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
-	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+	      "             [-nb color] [-nf color] [-r] [-sb color] [-sf color] [-v]\n", stderr);
 	exit(1);
 }
 
@@ -629,6 +633,8 @@ main(int argc, char *argv[])
 			topbar = 0;
 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
 			fast = 1;
+		else if (!strcmp(argv[i], "-r"))   /* incremental */
+			incremental = 1;
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;
-- 
2.8.3