|
@ -1,163 +0,0 @@ |
|
|
From 94353eb52055927d9079f3d9e33da1c954abf386 Mon Sep 17 00:00:00 2001 |
|
|
|
|
|
From: aleks <aleks.stier@icloud.com> |
|
|
|
|
|
Date: Wed, 26 Jun 2019 13:25:10 +0200 |
|
|
|
|
|
Subject: [PATCH] Add support for fuzzy-matching |
|
|
|
|
|
|
|
|
|
|
|
--- |
|
|
|
|
|
config.def.h | 1 + |
|
|
|
|
|
config.mk | 2 +- |
|
|
|
|
|
dmenu.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++ |
|
|
|
|
|
3 files changed, 91 insertions(+), 1 deletion(-) |
|
|
|
|
|
|
|
|
|
|
|
diff --git a/config.def.h b/config.def.h |
|
|
|
|
|
index 1edb647..51612b9 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 fuzzy = 1; /* -F option; if 0, dmenu doesn't use fuzzy matching */ |
|
|
|
|
|
/* -fn option overrides fonts[0]; default X11 font or font set */ |
|
|
|
|
|
static const char *fonts[] = { |
|
|
|
|
|
"monospace:size=10" |
|
|
|
|
|
diff --git a/config.mk b/config.mk |
|
|
|
|
|
index 0929b4a..d14309a 100644 |
|
|
|
|
|
--- a/config.mk |
|
|
|
|
|
+++ b/config.mk |
|
|
|
|
|
@@ -20,7 +20,7 @@ FREETYPEINC = /usr/include/freetype2 |
|
|
|
|
|
|
|
|
|
|
|
# includes and libs |
|
|
|
|
|
INCS = -I$(X11INC) -I$(FREETYPEINC) |
|
|
|
|
|
-LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS) |
|
|
|
|
|
+LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS) -lm |
|
|
|
|
|
|
|
|
|
|
|
# flags |
|
|
|
|
|
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XINERAMAFLAGS) |
|
|
|
|
|
diff --git a/dmenu.c b/dmenu.c |
|
|
|
|
|
index 6b8f51b..96ddc98 100644 |
|
|
|
|
|
--- a/dmenu.c |
|
|
|
|
|
+++ b/dmenu.c |
|
|
|
|
|
@@ -1,6 +1,7 @@ |
|
|
|
|
|
/* See LICENSE file for copyright and license details. */ |
|
|
|
|
|
#include <ctype.h> |
|
|
|
|
|
#include <locale.h> |
|
|
|
|
|
+#include <math.h> |
|
|
|
|
|
#include <stdio.h> |
|
|
|
|
|
#include <stdlib.h> |
|
|
|
|
|
#include <string.h> |
|
|
|
|
|
@@ -32,6 +33,7 @@ struct item { |
|
|
|
|
|
char *text; |
|
|
|
|
|
struct item *left, *right; |
|
|
|
|
|
int out; |
|
|
|
|
|
+ double distance; |
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
static char text[BUFSIZ] = ""; |
|
|
|
|
|
@@ -210,9 +212,94 @@ grabkeyboard(void) |
|
|
|
|
|
die("cannot grab keyboard"); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
+int |
|
|
|
|
|
+compare_distance(const void *a, const void *b) |
|
|
|
|
|
+{ |
|
|
|
|
|
+ struct item *da = *(struct item **) a; |
|
|
|
|
|
+ struct item *db = *(struct item **) b; |
|
|
|
|
|
+ |
|
|
|
|
|
+ if (!db) |
|
|
|
|
|
+ return 1; |
|
|
|
|
|
+ if (!da) |
|
|
|
|
|
+ return -1; |
|
|
|
|
|
+ |
|
|
|
|
|
+ return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; |
|
|
|
|
|
+} |
|
|
|
|
|
+ |
|
|
|
|
|
+void |
|
|
|
|
|
+fuzzymatch(void) |
|
|
|
|
|
+{ |
|
|
|
|
|
+ /* bang - we have so much memory */ |
|
|
|
|
|
+ struct item *it; |
|
|
|
|
|
+ struct item **fuzzymatches = NULL; |
|
|
|
|
|
+ char c; |
|
|
|
|
|
+ int number_of_matches = 0, i, pidx, sidx, eidx; |
|
|
|
|
|
+ int text_len = strlen(text), itext_len; |
|
|
|
|
|
+ |
|
|
|
|
|
+ matches = matchend = NULL; |
|
|
|
|
|
+ |
|
|
|
|
|
+ /* walk through all items */ |
|
|
|
|
|
+ for (it = items; it && it->text; it++) { |
|
|
|
|
|
+ if (text_len) { |
|
|
|
|
|
+ itext_len = strlen(it->text); |
|
|
|
|
|
+ pidx = 0; /* pointer */ |
|
|
|
|
|
+ sidx = eidx = -1; /* start of match, end of match */ |
|
|
|
|
|
+ /* walk through item text */ |
|
|
|
|
|
+ for (i = 0; i < itext_len && (c = it->text[i]); i++) { |
|
|
|
|
|
+ /* fuzzy match pattern */ |
|
|
|
|
|
+ if (!fstrncmp(&text[pidx], &c, 1)) { |
|
|
|
|
|
+ if(sidx == -1) |
|
|
|
|
|
+ sidx = i; |
|
|
|
|
|
+ pidx++; |
|
|
|
|
|
+ if (pidx == text_len) { |
|
|
|
|
|
+ eidx = i; |
|
|
|
|
|
+ break; |
|
|
|
|
|
+ } |
|
|
|
|
|
+ } |
|
|
|
|
|
+ } |
|
|
|
|
|
+ /* build list of matches */ |
|
|
|
|
|
+ if (eidx != -1) { |
|
|
|
|
|
+ /* compute distance */ |
|
|
|
|
|
+ /* add penalty if match starts late (log(sidx+2)) |
|
|
|
|
|
+ * add penalty for long a match without many matching characters */ |
|
|
|
|
|
+ it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); |
|
|
|
|
|
+ /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ |
|
|
|
|
|
+ appenditem(it, &matches, &matchend); |
|
|
|
|
|
+ number_of_matches++; |
|
|
|
|
|
+ } |
|
|
|
|
|
+ } else { |
|
|
|
|
|
+ appenditem(it, &matches, &matchend); |
|
|
|
|
|
+ } |
|
|
|
|
|
+ } |
|
|
|
|
|
+ |
|
|
|
|
|
+ if (number_of_matches) { |
|
|
|
|
|
+ /* initialize array with matches */ |
|
|
|
|
|
+ if (!(fuzzymatches = realloc(fuzzymatches, number_of_matches * sizeof(struct item*)))) |
|
|
|
|
|
+ die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item*)); |
|
|
|
|
|
+ for (i = 0, it = matches; it && i < number_of_matches; i++, it = it->right) { |
|
|
|
|
|
+ fuzzymatches[i] = it; |
|
|
|
|
|
+ } |
|
|
|
|
|
+ /* sort matches according to distance */ |
|
|
|
|
|
+ qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); |
|
|
|
|
|
+ /* rebuild list of matches */ |
|
|
|
|
|
+ matches = matchend = NULL; |
|
|
|
|
|
+ for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && \ |
|
|
|
|
|
+ it->text; i++, it = fuzzymatches[i]) { |
|
|
|
|
|
+ appenditem(it, &matches, &matchend); |
|
|
|
|
|
+ } |
|
|
|
|
|
+ free(fuzzymatches); |
|
|
|
|
|
+ } |
|
|
|
|
|
+ curr = sel = matches; |
|
|
|
|
|
+ calcoffsets(); |
|
|
|
|
|
+} |
|
|
|
|
|
+ |
|
|
|
|
|
static void |
|
|
|
|
|
match(void) |
|
|
|
|
|
{ |
|
|
|
|
|
+ if (fuzzy) { |
|
|
|
|
|
+ fuzzymatch(); |
|
|
|
|
|
+ return; |
|
|
|
|
|
+ } |
|
|
|
|
|
static char **tokv = NULL; |
|
|
|
|
|
static int tokn = 0; |
|
|
|
|
|
|
|
|
|
|
|
@@ -702,6 +789,8 @@ 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], "-F")) /* grabs keyboard before reading stdin */ |
|
|
|
|
|
+ fuzzy = 0; |
|
|
|
|
|
else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ |
|
|
|
|
|
fstrncmp = strncasecmp; |
|
|
|
|
|
fstrstr = cistrstr; |
|
|
|
|
|
-- |
|
|
|
|
|
2.22.0 |
|
|
|
|
|
|
|
|
|