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-rw-r--r--README.md22
-rw-r--r--config.def.h3
-rw-r--r--config.h3
-rw-r--r--config.mk2
-rw-r--r--dmenu.125
-rw-r--r--dmenu.c183
-rw-r--r--patches/dmenu-fuzzyhighlight-5.3.diff165
-rw-r--r--patches/dmenu-fuzzymatch-5.3.diff196
8 files changed, 585 insertions, 14 deletions
diff --git a/README.md b/README.md
index 65b5438..c8e7bda 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
- center
- border
- xyz
+- fuzzymatch
+- fuzzyhighlight
The center patch
adds the -c parameter for centering dmenu
@@ -12,6 +14,7 @@ The border patch
adds the -bw parameter followed by an integer (width in pixels)
dmenu -bw 4 -c -l 4 -p "Power: "
+ I've added border color to the xressources patch.
The xyz patch:
The '-x' and '-y' options set the window position on the target monitor (0 if one is not supplied with '-m')
@@ -29,10 +32,15 @@ The xresources patch
### .Xressources or Pywal template
! dmenu
- dmenu.background: {color1}
- dmenu.foreground: {color15}
- dmenu.selbackground: {color0}
- dmenu.selforeground: {color15}
- dmenu.border: {color4}
-
- I've added border color to the xressources patch.
+ dmenu.background: {color1}
+ dmenu.foreground: {color15}
+ dmenu.selbackground: {color0}
+ dmenu.selforeground: {color15}
+ dmenu.border: {color4}
+ dmenu.selhighlightforeground: {color12}
+ dmenu.selhighlightbackground: {color0}
+ dmenu.normhighlightforeground: {color7}
+ dmenu.normhighlightbackground: {color1}
+
+The fuzzymatch and fuzzyhighlight patches
+ I've adapted fuzzyhighlight to the xressources patch
diff --git a/config.def.h b/config.def.h
index 9a79dfc..9805f2f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,6 +5,7 @@ static int topbar = 1; /* -b option; if 0, dmenu appears a
static int centered = 0; /* -c option; centers dmenu on screen */
static int min_width = 500; /* minimum width when centered */
static const float menu_height_ratio = 3.0f; /* This is the ratio used in the original calculation */
+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 char *fonts[] = {
@@ -16,6 +17,8 @@ static void *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/config.h b/config.h
index 9a79dfc..9805f2f 100644
--- a/config.h
+++ b/config.h
@@ -5,6 +5,7 @@ static int topbar = 1; /* -b option; if 0, dmenu appears a
static int centered = 0; /* -c option; centers dmenu on screen */
static int min_width = 500; /* minimum width when centered */
static const float menu_height_ratio = 3.0f; /* This is the ratio used in the original calculation */
+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 char *fonts[] = {
@@ -16,6 +17,8 @@ static void *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/config.mk b/config.mk
index 137f7c8..6a19175 100644
--- a/config.mk
+++ b/config.mk
@@ -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)
diff --git a/dmenu.1 b/dmenu.1
index 62bfc20..214a3b4 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -3,7 +3,7 @@
dmenu \- dynamic menu
.SH SYNOPSIS
.B dmenu
-.RB [ \-bfiv ]
+.RB [ \-bFfiv ]
.RB [ \-l
.IR lines ]
.RB [ \-m
@@ -26,6 +26,14 @@ 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
@@ -49,6 +57,9 @@ dmenu appears at the bottom of the screen.
.B \-c
dmenu appears centered on the screen.
.TP
+.B \-F
+disables fuzzy matching.
+.TP
.B \-f
dmenu grabs the keyboard before reading stdin if not reading from a tty. This
is faster, but will lock up X until stdin reaches end\-of\-file.
@@ -102,6 +113,18 @@ 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 b0e3492..9d394bf 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>
@@ -26,13 +27,16 @@
#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;
unsigned int width;
struct item *left, *right;
int out;
+ double distance;
};
static char text[BUFSIZ] = "";
@@ -58,7 +62,7 @@ static Drw *drw;
static Clr *scheme[SchemeLast];
/* Temporary arrays to allow overriding xresources values */
-static char *colortemp[4];
+static char *colortemp[8];
static char *tempfonts;
#include "config.h"
@@ -150,9 +154,47 @@ 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)
@@ -160,7 +202,9 @@ 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
@@ -247,9 +291,93 @@ 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;
@@ -904,9 +1032,10 @@ setup(void)
static void
usage(void)
{
- die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+ die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
" [-x xoffset] [-y yoffset] [-z width]\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]");
}
void
@@ -923,23 +1052,48 @@ readxresources(void) {
fonts[0] = strdup(xval.addr);
else
fonts[0] = strdup(fonts[0]);
+
if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval))
colors[SchemeNorm][ColBg] = strdup(xval.addr);
else
colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]);
+
if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval))
colors[SchemeNorm][ColFg] = strdup(xval.addr);
else
colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]);
+
if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval))
colors[SchemeSel][ColBg] = strdup(xval.addr);
else
colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]);
+
if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval))
colors[SchemeSel][ColFg] = strdup(xval.addr);
else
colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]);
+ if (XrmGetResource(xdb, "dmenu.normhighlightbackground", "*", &type, &xval))
+ colors[SchemeNormHighlight][ColBg] = strdup(xval.addr);
+ else
+ colors[SchemeNormHighlight][ColBg] = strdup(colors[SchemeNormHighlight][ColBg]);
+
+ if (XrmGetResource(xdb, "dmenu.normhighlightforeground", "*", &type, &xval))
+ colors[SchemeNormHighlight][ColFg] = strdup(xval.addr);
+ else
+ colors[SchemeNormHighlight][ColFg] = strdup(colors[SchemeNormHighlight][ColFg]);
+
+ if (XrmGetResource(xdb, "dmenu.selhighlightbackground", "*", &type, &xval))
+ colors[SchemeSelHighlight][ColBg] = strdup(xval.addr);
+ else
+ colors[SchemeSelHighlight][ColBg] = strdup(colors[SchemeSelHighlight][ColBg]);
+
+ if (XrmGetResource(xdb, "dmenu.selhighlightforeground", "*", &type, &xval))
+ colors[SchemeSelHighlight][ColFg] = strdup(xval.addr);
+ else
+ colors[SchemeSelHighlight][ColFg] = strdup(colors[SchemeSelHighlight][ColFg]);
+
+
XrmDestroyDatabase(xdb);
}
}
@@ -957,6 +1111,8 @@ main(int argc, char *argv[])
exit(0);
} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
topbar = 0;
+ else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */
+ fuzzy = 0;
else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
fast = 1;
else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */
@@ -989,10 +1145,19 @@ main(int argc, char *argv[])
colortemp[2] = argv[++i];
else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
colortemp[3] = argv[++i];
+ else if (!strcmp(argv[i], "-nhb")) /* normal hi background color */
+ colortemp[4] = argv[++i];
+ else if (!strcmp(argv[i], "-nhf")) /* normal hi foreground color */
+ colortemp[5] = argv[++i];
+ else if (!strcmp(argv[i], "-shb")) /* selected hi background color */
+ colortemp[6] = argv[++i];
+ else if (!strcmp(argv[i], "-shf")) /* selected hi foreground color */
+ colortemp[7] = argv[++i];
else if (!strcmp(argv[i], "-w")) /* embedding window id */
embed = argv[++i];
else if (!strcmp(argv[i], "-bw"))
border_width = atoi(argv[++i]); /* border width */
+
else
usage();
@@ -1020,6 +1185,14 @@ main(int argc, char *argv[])
colors[SchemeSel][ColBg] = strdup(colortemp[2]);
if ( colortemp[3])
colors[SchemeSel][ColFg] = strdup(colortemp[3]);
+ if ( colortemp[4])
+ colors[SchemeNormHighlight][ColBg] = strdup(colortemp[4]);
+ if ( colortemp[5])
+ colors[SchemeNormHighlight][ColFg] = strdup(colortemp[5]);
+ if ( colortemp[6])
+ colors[SchemeSelHighlight][ColBg] = strdup(colortemp[6]);
+ if ( colortemp[7])
+ colors[SchemeSelHighlight][ColFg] = strdup(colortemp[7]);
if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts)))
die("no fonts could be loaded.");
diff --git a/patches/dmenu-fuzzyhighlight-5.3.diff b/patches/dmenu-fuzzyhighlight-5.3.diff
new file mode 100644
index 0000000..511bd31
--- /dev/null
+++ b/patches/dmenu-fuzzyhighlight-5.3.diff
@@ -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
+
diff --git a/patches/dmenu-fuzzymatch-5.3.diff b/patches/dmenu-fuzzymatch-5.3.diff
new file mode 100644
index 0000000..1df92a5
--- /dev/null
+++ b/patches/dmenu-fuzzymatch-5.3.diff
@@ -0,0 +1,196 @@
+From d166c2c90f777f5a80f628d493cdcf7bf03034b8 Mon Sep 17 00:00:00 2001
+From: Justinas Grigas <dev@jstnas.com>
+Date: Mon, 17 Jun 2024 02:52:15 +0100
+Subject: [PATCH] fuzzymatch: Add support for fuzzy-matching
+
+This version of the patch updates the manpage.
+---
+ config.def.h | 1 +
+ config.mk | 2 +-
+ dmenu.1 | 5 ++-
+ dmenu.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++-
+ 4 files changed, 95 insertions(+), 3 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 1edb647..a4e6174 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 137f7c8..6a19175 100644
+--- a/config.mk
++++ b/config.mk
+@@ -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)
+diff --git a/dmenu.1 b/dmenu.1
+index 323f93c..e2c5ef4 100644
+--- a/dmenu.1
++++ b/dmenu.1
+@@ -3,7 +3,7 @@
+ dmenu \- dynamic menu
+ .SH SYNOPSIS
+ .B dmenu
+-.RB [ \-bfiv ]
++.RB [ \-bFfiv ]
+ .RB [ \-l
+ .IR lines ]
+ .RB [ \-m
+@@ -40,6 +40,9 @@ which lists programs in the user's $PATH and runs the result in their $SHELL.
+ .B \-b
+ dmenu appears at the bottom of the screen.
+ .TP
++.B \-F
++disables fuzzy matching.
++.TP
+ .B \-f
+ dmenu grabs the keyboard before reading stdin if not reading from a tty. This
+ is faster, but will lock up X until stdin reaches end\-of\-file.
+diff --git a/dmenu.c b/dmenu.c
+index 40f93e0..03e1f45 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>
+@@ -31,6 +32,7 @@ struct item {
+ char *text;
+ struct item *left, *right;
+ int out;
++ double distance;
+ };
+
+ static char text[BUFSIZ] = "";
+@@ -226,9 +228,93 @@ 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;
+
+@@ -715,7 +801,7 @@ setup(void)
+ static void
+ usage(void)
+ {
+- die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
++ die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+ " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
+ }
+
+@@ -732,6 +818,8 @@ main(int argc, char *argv[])
+ exit(0);
+ } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+ topbar = 0;
++ else if (!strcmp(argv[i], "-F")) /* disables fuzzy matching */
++ fuzzy = 0;
+ else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
+ fast = 1;
+ else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+--
+2.45.2
+