diff options
| -rw-r--r-- | config.def.h | 1 | ||||
| -rw-r--r-- | config.mk | 2 | ||||
| -rw-r--r-- | dmenu.c | 89 | ||||
| -rw-r--r-- | patches/dmenu-fuzzymatch-4.9.diff | 163 |
4 files changed, 254 insertions, 1 deletions
diff --git a/config.def.h b/config.def.h index 9723027..b7bff67 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 */ static int centered = 0; /* -c option; centers dmenu on screen */ static int min_width = 500; /* minimum width when centered */ /* -fn option overrides fonts[0]; default X11 font or font set */ @@ -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) @@ -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> @@ -35,6 +36,7 @@ struct item { char *text_output; struct item *left, *right; int out; + double distance; }; static char text[BUFSIZ] = ""; @@ -281,9 +283,94 @@ 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; @@ -815,6 +902,8 @@ 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")) /* toggles fuzzy matching */ + fuzzy = fuzzy ? 0 : 1; else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ centered = 1; else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ diff --git a/patches/dmenu-fuzzymatch-4.9.diff b/patches/dmenu-fuzzymatch-4.9.diff new file mode 100644 index 0000000..9fd206d --- /dev/null +++ b/patches/dmenu-fuzzymatch-4.9.diff @@ -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 + |