feat(patches): add fuzzymatch patch

This commit is contained in:
randy 2024-09-08 08:46:42 +08:00
parent efb130bd98
commit 5d3b60de3a
6 changed files with 495 additions and 4 deletions

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@ -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 */
static int centered = 1; /* -c option; centers dmenu on screen */
static int min_width = 500; /* minimum width when centered */
static const float menu_height_ratio = 2.0f; /* This is the ratio used in the original calculation */
@ -14,6 +15,8 @@ static const char *colors[SchemeLast][2] = {
/* fg bg */
[SchemeNorm] = { "#bbbbbb", "#222222" },
[SchemeSel] = { "#eeeeee", "#005577" },
[SchemeSelHighlight] = { "#ffc978", "#005577" },
[SchemeNormHighlight] = { "#ffc978", "#222222" },
[SchemeOut] = { "#000000", "#00ffff" },
};
/* -l option; if nonzero, dmenu uses vertical list with given number of lines */

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@ -21,7 +21,7 @@ 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)

20
dmenu.1
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@ -20,6 +20,14 @@ dmenu \- dynamic menu
.IR color ]
.RB [ \-sf
.IR color ]
.RB [ \-nhb
.IR color ]
.RB [ \-nhf
.IR color ]
.RB [ \-shb
.IR color ]
.RB [ \-shf
.IR color ]
.RB [ \-w
.IR windowid ]
.P
@ -78,6 +86,18 @@ defines the selected background color.
.BI \-sf " color"
defines the selected foreground color.
.TP
.BI \-nhb " color"
defines the normal highlight background color.
.TP
.BI \-nhf " color"
defines the normal highlight foreground color.
.TP
.BI \-shb " color"
defines the selected highlight background color.
.TP
.BI \-shf " color"
defines the selected highlight foreground color.
.TP
.B \-v
prints version information to stdout, then exits.
.TP

146
dmenu.c
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@ -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>
@ -25,12 +26,15 @@
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
/* enums */
enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
enum { SchemeNorm, SchemeSel, SchemeNormHighlight, SchemeSelHighlight,
SchemeOut, SchemeLast }; /* color schemes */
struct item {
char *text;
struct item *left, *right;
int out;
double distance;
};
static char text[BUFSIZ] = "";
@ -138,9 +142,47 @@ cistrstr(const char *h, const char *n)
return NULL;
}
static void
drawhighlights(struct item *item, int x, int y, int maxw)
{
int i, indent;
char c, *highlight;
if (!(strlen(item->text) && strlen(text)))
return;
drw_setscheme(drw, scheme[item == sel
? SchemeSelHighlight
: SchemeNormHighlight]);
for (i = 0, highlight = item->text; *highlight && text[i];) {
if (!fstrncmp(highlight, &text[i], 1)) {
/* get indentation */
c = *highlight;
*highlight = '\0';
indent = TEXTW(item->text);
*highlight = c;
/* highlight character */
c = highlight[1];
highlight[1] = '\0';
drw_text(
drw,
x + indent - (lrpad / 2.),
y,
MIN(maxw - indent, TEXTW(highlight) - lrpad),
bh, 0, highlight, 0
);
highlight[1] = c;
++i;
}
++highlight;
}
}
static int
drawitem(struct item *item, int x, int y, int w)
{
int r;
if (item == sel)
drw_setscheme(drw, scheme[SchemeSel]);
else if (item->out)
@ -148,7 +190,9 @@ drawitem(struct item *item, int x, int y, int w)
else
drw_setscheme(drw, scheme[SchemeNorm]);
return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
drawhighlights(item, x, y, w);
return r;
}
static int
@ -253,9 +297,94 @@ 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;
@ -760,7 +889,8 @@ static void
usage(void)
{
die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
" [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
" [-nb color] [-nf color] [-sb color] [-sf color]\n"
" [-nhb color] [-nhf color] [-shb color] [-shf color] [-w windowid]");
}
int
@ -778,6 +908,8 @@ 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], "-c")) /* centers dmenu on screen */
centered = 1;
else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
@ -802,6 +934,14 @@ main(int argc, char *argv[])
colors[SchemeSel][ColBg] = argv[++i];
else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
colors[SchemeSel][ColFg] = argv[++i];
else if (!strcmp(argv[i], "-nhb")) /* normal hi background color */
colors[SchemeNormHighlight][ColBg] = argv[++i];
else if (!strcmp(argv[i], "-nhf")) /* normal hi foreground color */
colors[SchemeNormHighlight][ColFg] = argv[++i];
else if (!strcmp(argv[i], "-shb")) /* selected hi background color */
colors[SchemeSelHighlight][ColBg] = argv[++i];
else if (!strcmp(argv[i], "-shf")) /* selected hi foreground color */
colors[SchemeSelHighlight][ColFg] = argv[++i];
else if (!strcmp(argv[i], "-w")) /* embedding window id */
embed = argv[++i];
else if (!strcmp(argv[i], "-bw"))

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@ -0,0 +1,165 @@
From dd0327d33a3c5269ed128e0903787365625bd507 Mon Sep 17 00:00:00 2001
From: Justinas Grigas <dev@jstnas.com>
Date: Sun, 16 Jun 2024 00:38:53 +0100
Subject: [PATCH] fuzzyhighlight: highlight fuzzy matches
This patch actually fixes the highlighted character offset
---
config.def.h | 2 ++
dmenu.1 | 20 ++++++++++++++++++
dmenu.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++---
3 files changed, 76 insertions(+), 3 deletions(-)
diff --git a/config.def.h b/config.def.h
index 1edb647..64eab2a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -11,6 +11,8 @@ static const char *colors[SchemeLast][2] = {
/* fg bg */
[SchemeNorm] = { "#bbbbbb", "#222222" },
[SchemeSel] = { "#eeeeee", "#005577" },
+ [SchemeSelHighlight] = { "#ffc978", "#005577" },
+ [SchemeNormHighlight] = { "#ffc978", "#222222" },
[SchemeOut] = { "#000000", "#00ffff" },
};
/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
diff --git a/dmenu.1 b/dmenu.1
index 323f93c..472b179 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -20,6 +20,14 @@ dmenu \- dynamic menu
.IR color ]
.RB [ \-sf
.IR color ]
+.RB [ \-nhb
+.IR color ]
+.RB [ \-nhf
+.IR color ]
+.RB [ \-shb
+.IR color ]
+.RB [ \-shf
+.IR color ]
.RB [ \-w
.IR windowid ]
.P
@@ -75,6 +83,18 @@ defines the selected background color.
.BI \-sf " color"
defines the selected foreground color.
.TP
+.BI \-nhb " color"
+defines the normal highlight background color.
+.TP
+.BI \-nhf " color"
+defines the normal highlight foreground color.
+.TP
+.BI \-shb " color"
+defines the selected highlight background color.
+.TP
+.BI \-shf " color"
+defines the selected highlight foreground color.
+.TP
.B \-v
prints version information to stdout, then exits.
.TP
diff --git a/dmenu.c b/dmenu.c
index 40f93e0..662131a 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -25,7 +25,9 @@
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
/* enums */
-enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
+enum { SchemeNorm, SchemeSel, SchemeNormHighlight, SchemeSelHighlight,
+ SchemeOut, SchemeLast }; /* color schemes */
+
struct item {
char *text;
@@ -129,9 +131,47 @@ cistrstr(const char *h, const char *n)
return NULL;
}
+static void
+drawhighlights(struct item *item, int x, int y, int maxw)
+{
+ int i, indent;
+ char c, *highlight;
+
+ if (!(strlen(item->text) && strlen(text)))
+ return;
+
+ drw_setscheme(drw, scheme[item == sel
+ ? SchemeSelHighlight
+ : SchemeNormHighlight]);
+ for (i = 0, highlight = item->text; *highlight && text[i];) {
+ if (!fstrncmp(highlight, &text[i], 1)) {
+ /* get indentation */
+ c = *highlight;
+ *highlight = '\0';
+ indent = TEXTW(item->text);
+ *highlight = c;
+
+ /* highlight character */
+ c = highlight[1];
+ highlight[1] = '\0';
+ drw_text(
+ drw,
+ x + indent - (lrpad / 2.),
+ y,
+ MIN(maxw - indent, TEXTW(highlight) - lrpad),
+ bh, 0, highlight, 0
+ );
+ highlight[1] = c;
+ ++i;
+ }
+ ++highlight;
+ }
+}
+
static int
drawitem(struct item *item, int x, int y, int w)
{
+ int r;
if (item == sel)
drw_setscheme(drw, scheme[SchemeSel]);
else if (item->out)
@@ -139,7 +179,9 @@ drawitem(struct item *item, int x, int y, int w)
else
drw_setscheme(drw, scheme[SchemeNorm]);
- return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+ r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+ drawhighlights(item, x, y, w);
+ return r;
}
static void
@@ -716,7 +758,8 @@ static void
usage(void)
{
die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
- " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
+ " [-nb color] [-nf color] [-sb color] [-sf color]\n"
+ " [-nhb color] [-nhf color] [-shb color] [-shf color] [-w windowid]");
}
int
@@ -756,6 +799,14 @@ main(int argc, char *argv[])
colors[SchemeSel][ColBg] = argv[++i];
else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
colors[SchemeSel][ColFg] = argv[++i];
+ else if (!strcmp(argv[i], "-nhb")) /* normal hi background color */
+ colors[SchemeNormHighlight][ColBg] = argv[++i];
+ else if (!strcmp(argv[i], "-nhf")) /* normal hi foreground color */
+ colors[SchemeNormHighlight][ColFg] = argv[++i];
+ else if (!strcmp(argv[i], "-shb")) /* selected hi background color */
+ colors[SchemeSelHighlight][ColBg] = argv[++i];
+ else if (!strcmp(argv[i], "-shf")) /* selected hi foreground color */
+ colors[SchemeSelHighlight][ColFg] = argv[++i];
else if (!strcmp(argv[i], "-w")) /* embedding window id */
embed = argv[++i];
else
--
2.45.2

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@ -0,0 +1,163 @@
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