Add build option EMOJI for Unicode emoji as file icons

Makefile

@@ -21,6 +21,7 @@ O_NOFIFO := 0  # no FIFO previewer support
 O_CTX8 := 0  # enable 8 contexts
 O_ICONS := 0  # support icons-in-terminal
 O_NERD := 0  # support icons-nerdfont
+O_EMOJI := 0  # support emoji
 O_QSORT := 0  # use Alexey Tourbin's QSORT implementation
 O_BENCH := 0  # benchmark mode (stops at first user input)
 O_NOSSN := 0  # disable session support
@@ -69,6 +70,8 @@ ifeq ($(strip $(O_NOLC)),1)
 $(info *** Ignoring O_NOLC since O_ICONS is set ***)
 	else ifeq ($(strip $(O_NERD)),1)
 $(info *** Ignoring O_NOLC since O_NERD is set ***)
+	else ifeq ($(strip $(O_EMOJI)),1)
+$(info *** Ignoring O_NOLC since O_EMOJI is set ***)
 	else
 		CPPFLAGS += -DNOLC
 	endif
@@ -98,6 +101,10 @@ ifeq ($(strip $(O_NERD)),1)
 	CPPFLAGS += -DNERD
 endif
 
+ifeq ($(strip $(O_EMOJI)),1)
+	CPPFLAGS += -DEMOJI
+endif
+
 ifeq ($(strip $(O_QSORT)),1)
 	CPPFLAGS += -DTOURBIN_QSORT
 endif
@@ -227,6 +234,9 @@ static:
 	# static binary with patched nerd font support
 	make O_STATIC=1 O_NERD=1 strip
 	mv $(BIN) $(BIN)-nerd-static
+	# static binary with emoji support
+	make O_STATIC=1 O_EMOJI=1 strip
+	mv $(BIN) $(BIN)-emoji-static
 
 musl:
 	cp misc/musl/musl-static-ubuntu.sh .
@@ -254,6 +264,7 @@ upload-local: sign static musl
 	upx -qqq $(BIN)-static
 	upx -qqq $(BIN)-icons-static
 	upx -qqq $(BIN)-nerd-static
+	upx -qqq $(BIN)-emoji-static
 	# upload static binary
 	tar -zcf $(BIN)-static-$(VERSION).x86_64.tar.gz $(BIN)-static
 	curl -XPOST 'https://uploads.github.com/repos/jarun/nnn/releases/$(ID)/assets?name=$(BIN)-static-$(VERSION).x86_64.tar.gz' \
@@ -269,6 +280,11 @@ upload-local: sign static musl
 	curl -XPOST 'https://uploads.github.com/repos/jarun/nnn/releases/$(ID)/assets?name=$(BIN)-nerd-static-$(VERSION).x86_64.tar.gz' \
 	    -H 'Authorization: token $(NNN_SIG_UPLOAD_TOKEN)' -H 'Content-Type: application/x-sharedlib' \
 	    --upload-file $(BIN)-nerd-static-$(VERSION).x86_64.tar.gz
+	# upload emoji compiled static binary
+	tar -zcf $(BIN)-emoji-static-$(VERSION).x86_64.tar.gz $(BIN)-icons-static
+	curl -XPOST 'https://uploads.github.com/repos/jarun/nnn/releases/$(ID)/assets?name=$(BIN)-emoji-static-$(VERSION).x86_64.tar.gz' \
+	    -H 'Authorization: token $(NNN_SIG_UPLOAD_TOKEN)' -H 'Content-Type: application/x-sharedlib' \
+	    --upload-file $(BIN)-emoji-static-$(VERSION).x86_64.tar.gz
 	# upload musl static binary
 	tar -zcf $(BIN)-musl-static-$(VERSION).x86_64.tar.gz $(BIN)-musl-static
 	curl -XPOST 'https://uploads.github.com/repos/jarun/nnn/releases/$(ID)/assets?name=$(BIN)-musl-static-$(VERSION).x86_64.tar.gz' \
@@ -276,7 +292,7 @@ upload-local: sign static musl
 	    --upload-file $(BIN)-musl-static-$(VERSION).x86_64.tar.gz
 
 clean:
-	$(RM) -f $(BIN) nnn-$(VERSION).tar.gz *.sig $(BIN)-static $(BIN)-static-$(VERSION).x86_64.tar.gz $(BIN)-icons-static $(BIN)-icons-static-$(VERSION).x86_64.tar.gz $(BIN)-nerd-static $(BIN)-nerd-static-$(VERSION).x86_64.tar.gz $(BIN)-musl-static $(BIN)-musl-static-$(VERSION).x86_64.tar.gz
+	$(RM) -f $(BIN) nnn-$(VERSION).tar.gz *.sig $(BIN)-static $(BIN)-static-$(VERSION).x86_64.tar.gz $(BIN)-icons-static $(BIN)-icons-static-$(VERSION).x86_64.tar.gz $(BIN)-nerd-static $(BIN)-nerd-static-$(VERSION).x86_64.tar.gz $(BIN)-emoji-static $(BIN)-emoji-static-$(VERSION).x86_64.tar.gz $(BIN)-musl-static $(BIN)-musl-static-$(VERSION).x86_64.tar.gz
 
 prepatch:
 ifeq ($(strip $(O_NAMEFIRST)),1)

README.md

@@ -79,7 +79,7 @@ Runs on the Pi, [Termux](https://www.youtube.com/embed/AbaauM7gUJw) (Android), L
   - Preview hovered files in FIFO-based previewer
   - Open with desktop opener or specify a custom opener
   - File-specific colors (or minimal _dirs in context color_)
-  - Icons (customize and compile-in)
+  - Icons or Emojis support (customize and compile-in)
   - Plugin for image, video and audio thumbnails
   - Create, list, extract (to), mount (FUSE based) archives
   - Option to open all text files in `$EDITOR`

src/icons-emoji.h

@@ -0,0 +1,72 @@
+#ifndef ICONS_EMOJI
+#define ICONS_EMOJI
+
+// You can find a list of emoji here:
+// https://unicode.org/Public/emoji/5.0/emoji-test.txt
+
+// Note: As some emoji are stored as two characters, all of these strings must
+// be of width 2. Therefore, right pad single-width emoji with a space.
+
+#define MD_ARROW_UPWARD    "⬆️"
+#define MD_ARROW_FORWARD   "➡️"
+#define MD_ARROW_DOWNWARD  "⬇️"
+
+#define EMOJI_ARCHIVE "📦"
+#define EMOJI_AUDIO "🎵"
+#define EMOJI_BINARY "📓"
+#define EMOJI_BOOKS "📚"
+#define EMOJI_BRIEFCASE "💼"
+#define EMOJI_C "📑"
+#define EMOJI_CHANGELOG "🔖"
+#define EMOJI_CLOUD "☁️ "
+#define EMOJI_CODE "🧮"
+#define EMOJI_CONF "🔧"
+#define EMOJI_CPP EMOJI_C
+#define EMOJI_DATABASE "🗃️ "
+#define EMOJI_DESKTOP "🖥️ "
+#define EMOJI_DIFF "📋"
+#define EMOJI_DISK "💿"
+#define EMOJI_DOWNLOAD "📥"
+#define EMOJI_ENCRYPTED "🔒"
+#define EMOJI_EXEC "⚙️ "
+#define EMOJI_FILE "📄"
+#define EMOJI_FOLDER "📂"
+#define EMOJI_GAME "🧩"
+#define EMOJI_GIT "🌱"
+#define EMOJI_IMAGE "🖼️ "
+#define EMOJI_INFO "ℹ️ "
+#define EMOJI_JAVA "☕"
+#define EMOJI_JAVASCRIPT EMOJI_SCRIPT
+#define EMOJI_LICENSE "⚖️ "
+#define EMOJI_LINUX "🐧"
+#define EMOJI_LUA "🌘"
+#define EMOJI_MAKE "🚧"
+#define EMOJI_MANUAL "📔"
+#define EMOJI_MOVIE "🎬"
+#define EMOJI_MUSIC EMOJI_AUDIO
+#define EMOJI_NOTE "📝"
+#define EMOJI_NOTES "📓"
+#define EMOJI_PATCH "🩹"
+#define EMOJI_PDF "📕"
+#define EMOJI_PHOTO "📸"
+#define EMOJI_PICTURE EMOJI_IMAGE
+#define EMOJI_PRESENTATION "📊"
+#define EMOJI_PUBLIC "👀"
+#define EMOJI_PYTHON "🐍"
+#define EMOJI_RSS "📡"
+#define EMOJI_RUBY "💎"
+#define EMOJI_SCRIPT "📜"
+#define EMOJI_STATS "📊"
+#define EMOJI_STYLESHEET "🎨"
+#define EMOJI_SUBTITLES "💬"
+#define EMOJI_TABLE "📗"
+#define EMOJI_TEMPLATE "📎"
+#define EMOJI_TEXT "🗒️ "
+#define EMOJI_UNI "🏛️ "
+#define EMOJI_VECTOR "🗺️ "
+#define EMOJI_WEB "🌍"
+#define EMOJI_WINDOWS "🪟"
+#define EMOJI_WORD "📘"
+#define EMOJI_WORK EMOJI_UNI
+
+#endif // ICONS_EMOJI

src/icons.h

@@ -4,6 +4,8 @@
 #include "icons-in-terminal.h"
 #elif defined(NERD)
 #include "icons-nerdfont.h"
+#elif defined(EMOJI)
+#include "icons-emoji.h"
 #endif
 
 struct icon_pair {
@@ -23,9 +25,19 @@ struct icon_pair {
  */
 
 #define ICON_PADDING_LEFT  ""
-#define ICON_PADDING_LEFT_LEN  (0)
+#if defined(EMOJI)
+#define ICON_PADDING_RIGHT " "
+#else
 #define ICON_PADDING_RIGHT "  "
-#define ICON_PADDING_RIGHT_LEN (2)
+#endif
+#define ICON_PADDING_LEFT_LEN  (sizeof ICON_PADDING_LEFT - 1)
+#define ICON_PADDING_RIGHT_LEN (sizeof ICON_PADDING_RIGHT - 1)
+
+#if defined(EMOJI) /* emojies take up 2 cells */
+#define ICON_SIZE 2
+#else
+#define ICON_SIZE 1
+#endif
 
 #define COLOR_VIDEO        93  /* Purple */
 #define COLOR_AUDIO        220 /* Gold1 */
@@ -60,6 +72,10 @@ static const struct icon_pair exec_icon = {"", FA_COG,    0};
 static const struct icon_pair dir_icon  = {"", ICON_DIRECTORY, 0};
 static const struct icon_pair file_icon = {"", ICON_FILE,      0};
 static const struct icon_pair exec_icon = {"", ICON_EXEC,      0};
+#elif defined(EMOJI)
+static const struct icon_pair dir_icon  = {"", EMOJI_FOLDER, 0};
+static const struct icon_pair file_icon = {"", EMOJI_FILE,   0};
+static const struct icon_pair exec_icon = {"", EMOJI_EXEC,   0};
 #endif
 
 /* All entries are case-insensitive */
@@ -93,6 +109,25 @@ static const struct icon_pair icons_name[] = {
 	{"configure",    ICON_CONFIGURE, 0},
 	{"License",      ICON_LICENSE,   COLOR_DOCS},
 	{"Makefile",     ICON_MAKEFILE,  0},
+#elif defined(EMOJI)
+	{".git",         EMOJI_GIT,        0},
+	{"Desktop",      EMOJI_DESKTOP,    0},
+	{"Documents",    EMOJI_BRIEFCASE,  0},
+	{"Downloads",    EMOJI_DOWNLOAD,   0},
+	{"Music",        EMOJI_MUSIC,      0},
+	{"Pictures",     EMOJI_PICTURE,    0},
+	{"Public",       EMOJI_PUBLIC,     0},
+	{"Templates",    EMOJI_TEMPLATE,   0},
+	{"Videos",       EMOJI_MOVIE,      0},
+	{"Cloud",        EMOJI_CLOUD,      0},
+	{"Code",         EMOJI_CODE,       0},
+	{"Games",        EMOJI_GAME,       0},
+	{"Literature",   EMOJI_BOOKS,      0},
+	{"Notes",        EMOJI_NOTES,      0},
+	{"CHANGELOG",    EMOJI_CHANGELOG,  COLOR_DOCS},
+	{"configure",    EMOJI_CONF,       0},
+	{"License",      EMOJI_LICENSE,    COLOR_DOCS},
+	{"Makefile",     EMOJI_MAKE,       0},
 #endif
 };
 
@@ -528,5 +563,216 @@ static const struct icon_pair icons_ext[] = {
 	{"zst",        ICON_EXT_ZST,       COLOR_ARCHIVE},
 
 	/* Other */
+#elif defined(EMOJI)
+    /* Numbers */
+    {"1", EMOJI_MANUAL, COLOR_DOCS},
+    {"7z", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* A */
+    {"a", EMOJI_MANUAL, 0},
+    {"apk", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"aup", EMOJI_AUDIO, COLOR_AUDIO},
+    {"avi", EMOJI_MOVIE, COLOR_VIDEO},
+
+    /* B */
+    {"bat", EMOJI_SCRIPT, 0},
+    {"bin", EMOJI_BINARY, 0},
+    {"bib", EMOJI_BOOKS, 0},
+    {"bmp", EMOJI_IMAGE, COLOR_IMAGE},
+    {"bz2", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* C */
+    {"c", EMOJI_C, 0},
+    {"c++", EMOJI_CPP, 0},
+    {"cab", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"cbr", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"cbz", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"cc", EMOJI_CPP, 0},
+    {"class", EMOJI_JAVA, 0},
+    {"cmake", EMOJI_MAKE, 0},
+    {"conf", EMOJI_CONF, 0},
+    {"cpio", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"cpp", EMOJI_CPP, 0},
+    {"css", EMOJI_STYLESHEET, 0},
+    {"cue", EMOJI_AUDIO, COLOR_AUDIO},
+    {"cvs", EMOJI_CONF, 0},
+    {"csv", EMOJI_TABLE, 0},
+    {"cxx", EMOJI_CPP, 0},
+
+    /* D */
+    {"db", EMOJI_DATABASE, 0},
+    {"deb", EMOJI_LINUX, COLOR_ARCHIVE},
+    {"diff", EMOJI_DIFF, 0},
+    {"djvu", EMOJI_PDF, COLOR_DOCS},
+    {"dll", EMOJI_MANUAL, 0},
+    {"doc", EMOJI_WORD, 0},
+    {"docx", EMOJI_WORD, 0},
+
+    /* E */
+    {"elf", EMOJI_LINUX, 0},
+    {"epub", EMOJI_PDF, COLOR_DOCS},
+    {"exe", EMOJI_WINDOWS, 0},
+
+    /* F */
+    {"flac", EMOJI_AUDIO, COLOR_AUDIO},
+    {"flv", EMOJI_MOVIE, COLOR_VIDEO},
+
+    /* G */
+    {"gba", EMOJI_GAME, 0},
+    {"gdi", EMOJI_GAME, 0},
+    {"gem", EMOJI_ARCHIVE, 0},
+    {"gif", EMOJI_IMAGE, COLOR_IMAGE},
+    {"gpg", EMOJI_ENCRYPTED, COLOR_IMAGE},
+    {"gz", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"gzip", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* H */
+    {"h", EMOJI_C, 0},
+    {"hh", EMOJI_CPP, 0},
+    {"htaccess", EMOJI_CONF, 0},
+    {"htpasswd", EMOJI_CONF, 0},
+    {"htm", EMOJI_WEB, 0},
+    {"html", EMOJI_WEB, 0},
+    {"hxx", EMOJI_CPP, 0},
+
+    /* I */
+    {"ico", EMOJI_IMAGE, COLOR_IMAGE},
+    {"img", EMOJI_DISK, COLOR_ARCHIVE},
+    {"ini", EMOJI_CONF, 0},
+    {"info", EMOJI_INFO, 0},
+    {"iso", EMOJI_DISK, COLOR_ARCHIVE},
+
+    /* J */
+    {"jar", EMOJI_JAVA, 0},
+    {"java", EMOJI_JAVA, 0},
+    {"jl", EMOJI_CONF, 0},
+    {"jpeg", EMOJI_PHOTO, COLOR_IMAGE},
+    {"jpe", EMOJI_PHOTO, COLOR_IMAGE},
+    {"jpg", EMOJI_PHOTO, COLOR_IMAGE},
+    {"js", EMOJI_JAVASCRIPT, 0},
+    {"json", EMOJI_JAVASCRIPT, 0},
+    {"jsx", EMOJI_JAVASCRIPT, 0},
+
+    /* K */
+
+    /* L */
+    {"lha", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"log", EMOJI_TEXT, 0},
+    {"lua", EMOJI_LUA, COLOR_LUA},
+    {"lzh", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"lzma", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* M */
+    {"m", EMOJI_STATS, 0},
+    {"m4a", EMOJI_AUDIO, COLOR_AUDIO},
+    {"m4v", EMOJI_MOVIE, COLOR_VIDEO},
+    {"markdown", EMOJI_NOTE, COLOR_DOCS},
+    {"md", EMOJI_NOTE, COLOR_DOCS},
+    {"me", EMOJI_NOTE, COLOR_DOCS},
+    {"mk", EMOJI_MAKE, 0},
+    {"mkv", EMOJI_MOVIE, COLOR_VIDEO},
+    {"mom", EMOJI_NOTE, COLOR_DOCS},
+    {"mov", EMOJI_MOVIE, COLOR_VIDEO},
+    {"mp3", EMOJI_AUDIO, COLOR_AUDIO},
+    {"mp4", EMOJI_MOVIE, COLOR_VIDEO},
+    {"mpeg", EMOJI_MOVIE, COLOR_VIDEO},
+    {"mpg", EMOJI_MOVIE, COLOR_VIDEO},
+    {"ms", EMOJI_NOTE, COLOR_DOCS},
+    {"msi", EMOJI_WINDOWS, 0},
+
+    /* N */
+    {"n64", EMOJI_GAME, 0},
+    {"nes", EMOJI_GAME, 0},
+    {"nfo", EMOJI_INFO, 0},
+
+    /* O */
+    {"o", EMOJI_MANUAL, 0},
+    {"odp", EMOJI_PRESENTATION, 0},
+    {"ods", EMOJI_TABLE, 0},
+    {"odt", EMOJI_WORD, 0},
+    {"ogg", EMOJI_AUDIO, COLOR_AUDIO},
+    {"opdownload", EMOJI_DOWNLOAD, 0},
+    {"opus", EMOJI_AUDIO, COLOR_AUDIO},
+    {"out", EMOJI_LINUX, 0},
+
+    /* P */
+    {"part", EMOJI_DOWNLOAD, 0},
+    {"patch", EMOJI_PATCH, 0},
+    {"pdf", EMOJI_PDF, COLOR_DOCS},
+    {"php", EMOJI_WEB, 0},
+    {"png", EMOJI_IMAGE, COLOR_IMAGE},
+    {"ppt", EMOJI_PRESENTATION, 0},
+    {"pptx", EMOJI_PRESENTATION, 0},
+    {"psb", EMOJI_IMAGE, 0},
+    {"psd", EMOJI_IMAGE, 0},
+    {"py", EMOJI_PYTHON, 0},
+    {"pyc", EMOJI_PYTHON, 0},
+    {"pyd", EMOJI_PYTHON, 0},
+    {"pyo", EMOJI_PYTHON, 0},
+
+    /* Q */
+
+    /* R */
+    {"r", EMOJI_STATS, 0},
+    {"rar", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"rb", EMOJI_RUBY, COLOR_RUBY},
+    {"rc", EMOJI_CONF, 0},
+    {"rmd", EMOJI_STATS, 0},
+    {"rpm", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"rss", EMOJI_RSS, 0},
+    {"rtf", EMOJI_PDF, 0},
+
+    /* S */
+    {"sh", EMOJI_SCRIPT, COLOR_SHELL},
+    {"so", EMOJI_MANUAL, 0},
+    {"sql", EMOJI_DATABASE, 0},
+    {"srt", EMOJI_SUBTITLES, 0},
+    {"sub", EMOJI_SUBTITLES, 0},
+    {"svg", EMOJI_VECTOR, COLOR_IMAGE},
+
+    /* T */
+    {"tar", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"tex", EMOJI_TEXT, 0},
+    {"tgz", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"tif", EMOJI_IMAGE, COLOR_IMAGE},
+    {"tiff", EMOJI_IMAGE, COLOR_IMAGE},
+    {"torrent", EMOJI_DOWNLOAD, 0},
+    {"txt", EMOJI_TEXT, 0},
+    {"txz", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* U */
+
+    /* V */
+    {"v64", EMOJI_GAME, 0},
+    {"vid", EMOJI_MOVIE, COLOR_VIDEO},
+    {"vim", EMOJI_CONF, 0},
+    {"vimrc", EMOJI_CONF, 0},
+    {"vtt", EMOJI_SUBTITLES, 0},
+
+    /* W */
+    {"wav", EMOJI_AUDIO, COLOR_AUDIO},
+    {"webm", EMOJI_MOVIE, COLOR_VIDEO},
+    {"webp", EMOJI_IMAGE, COLOR_IMAGE},
+    {"wma", EMOJI_AUDIO, COLOR_AUDIO},
+    {"wmv", EMOJI_MOVIE, COLOR_VIDEO},
+
+    /* X */
+    {"xbps", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+    {"xcf", EMOJI_IMAGE, COLOR_IMAGE},
+    {"xhtml", EMOJI_WEB, 0},
+    {"xls", EMOJI_TABLE, 0},
+    {"xlsx", EMOJI_TABLE, 0},
+    {"xml", EMOJI_WEB, 0},
+    {"xz", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* Y */
+    {"yaml", EMOJI_CONF, 0},
+    {"yml", EMOJI_CONF, 0},
+
+    /* Z */
+    {"z64", EMOJI_GAME, 0},
+    {"zip", EMOJI_ARCHIVE, COLOR_ARCHIVE},
+
+    /* Other */
 #endif
 };

src/nnn.c

@@ -124,7 +124,7 @@
 #include "nnn.h"
 #include "dbg.h"
 
-#if defined(ICONS) || defined(NERD)
+#if defined(ICONS) || defined(NERD) || defined(EMOJI)
 #include "icons.h"
 #define ICONS_ENABLED
 #endif
@@ -6371,7 +6371,7 @@ static int adjust_cols(int n)
 {
 	/* Calculate the number of cols available to print entry name */
 #ifdef ICONS_ENABLED
-	n -= (g_state.oldcolor ? 0 : 1 + ICON_PADDING_LEFT_LEN + ICON_PADDING_RIGHT_LEN);
+	n -= (g_state.oldcolor ? 0 : ICON_SIZE + ICON_PADDING_LEFT_LEN + ICON_PADDING_RIGHT_LEN);
 #endif
 	if (cfg.showdetail) {
 		/* Fallback to light mode if less than 35 columns */