From b26d3f54ee853f5983425a50c93054744fb27af4 Mon Sep 17 00:00:00 2001
From: Connor Lane Smith <cls@lubutu.com>
Date: Mon, 19 Sep 2011 10:40:56 +0100
Subject: add token matching

---
 dmenu.c | 57 ++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 34 insertions(+), 23 deletions(-)

diff --git a/dmenu.c b/dmenu.c
index fd98d54..2bad8d6 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -30,7 +30,7 @@ static void drawmenu(void);
 static void grabkeyboard(void);
 static void insert(const char *str, ssize_t n);
 static void keypress(XKeyEvent *ev);
-static void match(Bool sub);
+static void match(void);
 static size_t nextrune(int inc);
 static void paste(void);
 static void readstdin(void);
@@ -120,10 +120,10 @@ main(int argc, char *argv[]) {
 
 void
 appenditem(Item *item, Item **list, Item **last) {
-	if(!*last)
-		*list = item;
-	else
+	if(*last)
 		(*last)->right = item;
+	else
+		*list = item;
 
 	item->left = *last;
 	item->right = NULL;
@@ -223,7 +223,7 @@ insert(const char *str, ssize_t n) {
 	if(n > 0)
 		memcpy(&text[cursor], str, n);
 	cursor += n;
-	match(n > 0 && text[cursor] == '\0');
+	match();
 }
 
 void
@@ -252,7 +252,7 @@ keypress(XKeyEvent *ev) {
 
 		case XK_k: /* delete right */
 			text[cursor] = '\0';
-			match(False);
+			match();
 			break;
 		case XK_u: /* delete left */
 			insert(NULL, 0 - cursor);
@@ -355,31 +355,42 @@ keypress(XKeyEvent *ev) {
 			return;
 		strncpy(text, sel->text, sizeof text);
 		cursor = strlen(text);
-		match(True);
+		match();
 		break;
 	}
 	drawmenu();
 }
 
 void
-match(Bool sub) {
-	size_t len = strlen(text);
-	Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
-	Item *item, *lnext;
-
-	lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL;
-	for(item = sub ? matches : items; item && item->text; item = lnext) {
-		lnext = sub ? item->right : item + 1;
-		if(!fstrncmp(text, item->text, len + 1))
-			appenditem(item, &lexact, &exactend);
-		else if(!fstrncmp(text, item->text, len))
+match(void) {
+	static char **tokv = NULL;
+	static int tokn = 0;
+
+	char buf[sizeof text], *s;
+	int i, tokc = 0;
+	size_t len;
+	Item *item, *lprefix, *lsubstr, *prefixend, *substrend;
+
+	strcpy(buf, text);
+	for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
+		if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+			eprintf("cannot realloc %u bytes\n", tokn * sizeof *tokv);
+	len = tokc ? strlen(tokv[0]) : 0;
+
+	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+	for(item = items; item && item->text; item++) {
+		for(i = 0; i < tokc; i++)
+			if(!fstrstr(item->text, tokv[i]))
+				break;
+		if(i != tokc)
+			continue;
+		if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
+			appenditem(item, &matches, &matchend);
+		else if(!fstrncmp(tokv[0], item->text, len))
 			appenditem(item, &lprefix, &prefixend);
-		else if(fstrstr(item->text, text))
+		else
 			appenditem(item, &lsubstr, &substrend);
 	}
-	matches = lexact;
-	matchend = exactend;
-
 	if(lprefix) {
 		if(matchend) {
 			matchend->right = lprefix;
@@ -514,7 +525,7 @@ setup(void) {
 	}
 	promptw = prompt ? textw(dc, prompt) : 0;
 	inputw = MIN(inputw, mw/3);
-	match(False);
+	match();
 
 	/* menu window */
 	wa.override_redirect = True;
-- 
cgit v1.2.3-13-gbd6f


From 0582480801d5815ef39fd624cb4ba108d0d21b35 Mon Sep 17 00:00:00 2001
From: Connor Lane Smith <cls@lubutu.com>
Date: Tue, 20 Sep 2011 00:06:13 +0100
Subject: update manpage

---
 dmenu.1 | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/dmenu.1 b/dmenu.1
index 616a2a5..7243a36 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -25,13 +25,10 @@ dmenu \- dynamic menu
 .BR dmenu_run " ..."
 .SH DESCRIPTION
 .B dmenu
-is a dynamic menu for X, originally designed for
-.IR dwm (1).
-It manages huge numbers of user\-defined menu items efficiently.
-.P
-dmenu reads a list of newline\-separated items from stdin and creates a menu.
-When the user selects an item or enters any text and presses Return, their
-choice is printed to stdout and dmenu terminates.
+is a dynamic menu for X, which reads a list of newline\-separated items from
+stdin.  When the user selects an item and presses Return, their choice is printed
+to stdout and dmenu terminates.  Entering text will narrow the items to those
+matching the tokens in the input.
 .P
 .B dmenu_run
 is a dmenu script used by dwm which lists programs in the user's $PATH and
@@ -42,8 +39,8 @@ executes the selected item.
 dmenu appears at the bottom of the screen.
 .TP
 .B \-f
-dmenu grabs the keyboard before reading stdin.  This is faster, but may lock up
-X if stdin is from a terminal.
+dmenu grabs the keyboard before reading stdin.  This is faster, but will lock up
+X until stdin reaches end\-of\-file.
 .TP
 .B \-i
 dmenu matches menu items case insensitively.
-- 
cgit v1.2.3-13-gbd6f


From 4c8d43ab7382910f3577d6ed03ebaf3026db8419 Mon Sep 17 00:00:00 2001
From: Connor Lane Smith <cls@lubutu.com>
Date: Tue, 20 Sep 2011 00:09:20 +0100
Subject: tweak match

---
 dmenu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dmenu.c b/dmenu.c
index 2bad8d6..1cd9f61 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -392,7 +392,7 @@ match(void) {
 			appenditem(item, &lsubstr, &substrend);
 	}
 	if(lprefix) {
-		if(matchend) {
+		if(matches) {
 			matchend->right = lprefix;
 			lprefix->left = matchend;
 		}
@@ -401,7 +401,7 @@ match(void) {
 		matchend = prefixend;
 	}
 	if(lsubstr) {
-		if(matchend) {
+		if(matches) {
 			matchend->right = lsubstr;
 			lsubstr->left = matchend;
 		}
-- 
cgit v1.2.3-13-gbd6f