Support icon-specific colors

src/icons.h

@@ -3,7 +3,11 @@
 struct icon_pair {
 	const char *match;
 	const char *icon;
-	const unsigned char color; /* Hex xterm 256 color code, 0 to follow file specific */
+	/*
+	 * Hex xterm 256 color code, 0 to follow file specific (if any)
+	 * Codes: https://jonasjacek.github.io/colors/
+	 */
+	const unsigned char color;
 };
 
 /*
@@ -14,14 +18,21 @@ struct icon_pair {
 #define ICON_PADDING_LEFT  ""
 #define ICON_PADDING_RIGHT " "
 
+#define VIDEO_COLOR    93 /* Purple */
+#define AUDIO_COLOR   220 /* Gold1 */
+#define IMAGE_COLOR    82 /* Chartreuse2 */
+#define BOOKS_COLOR   202 /* OrangeRed1 */
+#define ARCHIVE_COLOR 209 /* Salmon1 */
+
 /*
  * Using symbols defined in icons-in-terminal.h, or even using icons-in-terminal is not necessary.
  * You can use whatever pathched font you like. You just have to put the desired icon as a string.
  * If you are using icons-in-terminal the creator recommends that you do use the symbols in the generated header.
  */
 
-static const struct icon_pair dir_icon  = {"", FA_FOLDER, 0};
-static const struct icon_pair file_icon = {"", FA_FILE,   0};
+static const struct icon_pair dir_icon  = {"", FA_FOLDER,   0};
+static const struct icon_pair file_icon = {"", FA_FILE_O,   0};
+static const struct icon_pair exec_icon = {"", FA_TERMINAL, 0};
 
 /* All entries are case-insensitive */
 
@@ -46,26 +57,26 @@ static const struct icon_pair icons_name[] = {
 
 static const struct icon_pair icons_ext[] = {
 	/* Numbers */
-	{"7z",       FA_FILE_ARCHIVE_O,    0},
+	{"7z",       FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	/* A */
 	{"a",        FILE_MANPAGE,         0},
-	{"apk",      FA_FILE_ARCHIVE_O,    0},
+	{"apk",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"asm",      FILE_NASM,            0},
-	{"aup",      FA_FILE_AUDIO_O,      0},
-	{"avi",      FA_FILE_MOVIE_O,      0},
+	{"aup",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"avi",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
 
 	/* B */
 	{"bat",      MFIZZ_SCRIPT,         0},
-	{"bmp",      FA_FILE_IMAGE_O,      0},
-	{"bz2",      FA_FILE_ARCHIVE_O,    0},
+	{"bmp",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
+	{"bz2",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	 /* C */
 	{"c",        MFIZZ_C,              0},
 	{"c++",      MFIZZ_CPLUSPLUS,      0},
-	{"cab",      FA_FILE_ARCHIVE_O,    0},
-	{"cbr",      FA_FILE_ARCHIVE_O,    0},
-	{"cbz",      FA_FILE_ARCHIVE_O,    0},
+	{"cab",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
+	{"cbr",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
+	{"cbz",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"cc",       MFIZZ_CPLUSPLUS,      0},
 	{"class",    MFIZZ_JAVA,           0},
 	{"clj",      MFIZZ_CLOJURE,        0},
@@ -74,16 +85,16 @@ static const struct icon_pair icons_ext[] = {
 	{"cmake",    FILE_CMAKE,           0},
 	{"coffee",   MFIZZ_COFFEE_BEAN,    0},
 	{"conf",     FA_COGS,              0},
-	{"cpio",     FA_FILE_ARCHIVE_O,    0},
+	{"cpio",     FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"cpp",      MFIZZ_CPLUSPLUS,      0},
 	{"css",      MFIZZ_CSS3,           0},
-	{"cue",      FA_FILE_AUDIO_O,      0},
+	{"cue",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
 	{"cvs",      FA_COGS,              0},
 	{"cxx",      MFIZZ_CPLUSPLUS,      0},
 
 	/* D */
 	{"db",       MFIZZ_DATABASE_ALT2,  0},
-	{"deb",      MFIZZ_DEBIAN,         0},
+	{"deb",      MFIZZ_DEBIAN,         ARCHIVE_COLOR},
 	{"dll",      FILE_MANPAGE,         0},
 	{"doc",      FILE_WORD,            0},
 	{"docx",     FILE_WORD,            0},
@@ -91,13 +102,13 @@ static const struct icon_pair icons_ext[] = {
 	 /* E */
 	{"ejs",      FA_FILE_CODE_O,       0},
 	{"elf",      FA_LINUX,             0},
-	{"epub",     FA_FILE_PDF_O,        0},
+	{"epub",     FA_FILE_PDF_O,        BOOKS_COLOR},
 	{"exe",      FA_WINDOWS,           0},
 
 	/* F */
 	{"f#",       DEV_FSHARP,           0},
-	{"flac",     FA_FILE_AUDIO_O,      0},
-	{"flv",      FA_FILE_MOVIE_O,      0},
+	{"flac",     FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"flv",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
 	{"fs",       DEV_FSHARP,           0},
 	{"fsi",      DEV_FSHARP,           0},
 	{"fsscript", DEV_FSHARP,           0},
@@ -105,10 +116,10 @@ static const struct icon_pair icons_ext[] = {
 
 	/* G */
 	{"gem",      FA_FILE_ARCHIVE_O,    0},
-	{"gif",      FA_FILE_IMAGE_O,      0},
+	{"gif",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
 	{"go",       MFIZZ_GO,             0},
-	{"gz",       FA_FILE_ARCHIVE_O,    0},
-	{"gzip",     FA_FILE_ARCHIVE_O,    0},
+	{"gz",       FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
+	{"gzip",     FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	/* H */
 	{"h",        MFIZZ_C,              0},
@@ -120,17 +131,17 @@ static const struct icon_pair icons_ext[] = {
 	{"hxx",      MFIZZ_CPLUSPLUS,      0},
 
 	/* I */
-	{"ico",      FA_FILE_IMAGE_O,      0},
-	{"img",      FA_FILE_IMAGE_O,      0},
+	{"ico",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
+	{"img",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"ini",      FA_COGS,              0},
-	{"iso",      LINEA_MUSIC_CD,       0},
+	{"iso",      LINEA_MUSIC_CD,       ARCHIVE_COLOR},
 
 	/* J */
 	{"jar",      MFIZZ_JAVA,           0},
 	{"java",     MFIZZ_JAVA,           0},
 	{"jl",       FA_COGS,              0},
-	{"jpeg",     FA_FILE_IMAGE_O,      0},
-	{"jpg",      FA_FILE_IMAGE_O,      0},
+	{"jpeg",     FA_FILE_IMAGE_O,      IMAGE_COLOR},
+	{"jpg",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
 	{"js",       DEV_JAVASCRIPT_BADGE, 0},
 	{"json",     MFIZZ_JAVASCRIPT,     0},
 	{"jsx",      FILE_JSX,             0},
@@ -138,36 +149,36 @@ static const struct icon_pair icons_ext[] = {
 	/* K */
 
 	/* L */
-	{"lha",      FA_FILE_ARCHIVE_O,    0},
+	{"lha",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"log",      FA_FILE_TEXT_O,       0},
 	{"lua",      FILE_LUA,             0},
-	{"lzh",      FA_FILE_ARCHIVE_O,    0},
-	{"lzma",     FA_FILE_ARCHIVE_O,    0},
+	{"lzh",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
+	{"lzma",     FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	/* M */
-	{"m4a",      FA_FILE_AUDIO_O,      0},
-	{"m4v",      FA_FILE_MOVIE_O,      0},
+	{"m4a",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"m4v",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
 	{"markdown", OCT_MARKDOWN,         0},
 	{"md",       OCT_MARKDOWN,         0},
-	{"mkv",      FA_FILE_MOVIE_O,      0},
-	{"mov",      FA_FILE_MOVIE_O,      0},
-	{"mp3",      FA_FILE_AUDIO_O,      0},
-	{"mp4",      FA_FILE_MOVIE_O,      0},
-	{"mpeg",     FA_FILE_MOVIE_O,      0},
-	{"mpg",      FA_FILE_MOVIE_O,      0},
+	{"mkv",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
+	{"mov",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
+	{"mp3",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"mp4",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
+	{"mpeg",     FA_FILE_MOVIE_O,      VIDEO_COLOR},
+	{"mpg",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
 	{"msi",      FA_WINDOWS,           0},
 
 	/* N */
 
 	/* O */
 	{"o",        FILE_MANPAGE,         0},
-	{"ogg",      FA_FILE_AUDIO_O,      0},
+	{"ogg",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
 	{"out",      FA_LINUX,             0},
 
 	/* P */
-	{"pdf",      FA_FILE_PDF_O,        0},
+	{"pdf",      FA_FILE_PDF_O,        BOOKS_COLOR},
 	{"php",      MFIZZ_PHP,            0},
-	{"png",      FA_FILE_IMAGE_O,      0},
+	{"png",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
 	{"ppt",      FILE_POWERPOINT,      0},
 	{"pptx",     FILE_POWERPOINT,      0},
 	{"psb",      DEV_PHOTOSHOP,        0},
@@ -180,10 +191,10 @@ static const struct icon_pair icons_ext[] = {
 	/* Q */
 
 	/* R */
-	{"rar",      FA_FILE_ARCHIVE_O,    0},
+	{"rar",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"rc",       FA_COGS,              0},
 	{"rom",      FA_LOCK,              0},
-	{"rpm",      FA_FILE_ARCHIVE_O,    0},
+	{"rpm",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"rss",      FA_RSS_SQUARE,        0},
 	{"rtf",      FA_FILE_PDF_O,        0},
 
@@ -194,15 +205,16 @@ static const struct icon_pair icons_ext[] = {
 	{"slim",     FA_FILE_CODE_O,       0},
 	{"sln",      DEV_VISUALSTUDIO,     0},
 	{"sql",      MFIZZ_MYSQL,          0},
-	{"svg",      FA_FILE_IMAGE_O,      0},
+	{"svg",      FA_FILE_IMAGE_O,      IMAGE_COLOR},
 
 	/* T */
-	{"tar",      FA_FILE_ARCHIVE_O,    0},
+	{"tar",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"tex",      FILE_TEX,             0},
-	{"tgz",      FA_FILE_ARCHIVE_O,    0},
+	{"tgz",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"ts",       FILE_TS,              0},
 	{"tsx",      FILE_TSX,             0},
 	{"txt",      FA_FILE_TEXT_O,       0},
+	{"txz",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	/* U */
 
@@ -211,23 +223,25 @@ static const struct icon_pair icons_ext[] = {
 	{"vimrc",    DEV_VIM,              0},
 
 	/* W */
-	{"wav",      FA_FILE_AUDIO_O,      0},
-	{"webm",     FA_FILE_MOVIE_O,      0},
+	{"wav",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"webm",     FA_FILE_MOVIE_O,      VIDEO_COLOR},
+	{"wma",      FA_FILE_AUDIO_O,      AUDIO_COLOR},
+	{"wmv",      FA_FILE_MOVIE_O,      VIDEO_COLOR},
 
 	/* X */
-	{"xbps",     FA_FILE_ARCHIVE_O,    0},
+	{"xbps",     FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 	{"xhtml",    FA_FILE_CODE_O,       0},
 	{"xls",      FILE_EXCEL,           0},
 	{"xlsx",     FILE_EXCEL,           0},
 	{"xml",      FA_FILE_CODE_O,       0},
-	{"xz",       FA_FILE_ARCHIVE_O,    0},
+	{"xz",       FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR},
 
 	/* Y */
 	{"yaml",     FA_COGS,              0},
 	{"yml",      FA_COGS,              0},
 
 	/* Z */
-	{"zip",      FA_FILE_ARCHIVE_O,    0}
+	{"zip",      FA_FILE_ARCHIVE_O,    ARCHIVE_COLOR}
 
 	/* Other */
 };

src/nnn.c

@@ -1677,6 +1677,9 @@ static bool initcurses(void *oldmask)
 		} else
 			g_state.oldcolor = 1;
 
+		DPRINTF_D(COLORS);
+		DPRINTF_D(COLOR_PAIRS);
+
 		if (colors && *colors == '#') {
 			char *sep = strchr(colors, ';');
 
@@ -1724,12 +1727,20 @@ static bool initcurses(void *oldmask)
 
 #ifdef ICONS
 	if (!g_state.oldcolor) {
+		uchar icolors[256] = {0};
+		char c;
+		bool found = TRUE;
+
 		memset(icon_positions, 0x7f, sizeof(icon_positions));
 
-		if (icons_ext[0].match[0] >= '0' && icons_ext[0].match[0] <= '9')
+		if (icons_ext[0].match[0] >= '0' && icons_ext[0].match[0] <= '9') {
 			icon_positions[0] = 0;
+			if (icons_ext[0].color && !icolors[icons_ext[0].color]) {
+				init_pair(C_UND + 1 + icons_ext[0].color, icons_ext[0].color, -1);
+				icolors[icons_ext[0].color] = 1;
+			}
+		}
 
-		char c;
 		for (uint i = 0; i < sizeof(icons_ext)/sizeof(struct icon_pair); ++i) {
 			c = TOUPPER(icons_ext[i].match[0]);
 			if (c >= 'A' && c <= 'Z') {
@@ -1738,7 +1749,16 @@ static bool initcurses(void *oldmask)
 			} else if (!(c >= '0' && c <= '9')) {
 				if (icon_positions[27] == 0x7f7f)
 					icon_positions[27] = i;
-			}
+			} else
+				found = FALSE;
+
+			if (found) {
+				if (icons_ext[i].color && !icolors[icons_ext[i].color]) {
+					init_pair(C_UND + 1 + icons_ext[i].color, icons_ext[i].color, -1);
+					icolors[icons_ext[i].color] = 1;
+				}
+			} else
+				found = TRUE;
 		}
 	}
 #endif
@@ -3456,20 +3476,24 @@ static char *get_lsperms(mode_t mode)
 }
 
 #ifdef ICONS
-static const char *get_icon(const struct entry *ent){
+static const struct icon_pair * get_icon(const struct entry *ent){
 	ushort i, j;
 	char *tmp;
 
 	for (i = 0; i < sizeof(icons_name)/sizeof(struct icon_pair); ++i)
 		if (strcasecmp(ent->name, icons_name[i].match) == 0)
-			return icons_name[i].icon;
+			return &icons_name[i];
 
 	if (ent->flags & DIR_OR_LINK_TO_DIR)
-		return dir_icon.icon;
+		return &dir_icon;
 
 	tmp = xextension(ent->name, ent->nlen);
-	if (!tmp)
-		return file_icon.icon;
+	if (!tmp) {
+		if (ent->mode & 0100)
+			return &exec_icon;
+
+		return &file_icon;
+	}
 
 	/* Skip the . */
 	++tmp;
@@ -3484,9 +3508,30 @@ static const char *get_icon(const struct entry *ent){
 	for (j = icon_positions[i]; j < sizeof(icons_ext)/sizeof(struct icon_pair) &&
 	     icons_ext[j].match[0] == icons_ext[icon_positions[i]].match[0]; ++j)
 		if (strcasecmp(tmp, icons_ext[j].match) == 0)
-			return icons_ext[j].icon;
+			return &icons_ext[j];
+
+	/* If there's no match and the file is executable, icon that */
+	if (ent->mode & 0100)
+		return &exec_icon;
+
+	return &file_icon;
+}
+
+static void print_icon(const struct entry *ent, const int attrs)
+{
+	const struct icon_pair *picon = get_icon(ent);
 
-	return file_icon.icon;
+	addstr(ICON_PADDING_LEFT);
+	if (picon->color)
+		attron(COLOR_PAIR(C_UND + 1 + picon->color));
+	else if (attrs)
+		attron(attrs);
+	addstr(picon->icon);
+	if (picon->color)
+		attroff(COLOR_PAIR(C_UND + 1 + picon->color));
+	else if (attrs)
+		attroff(attrs);
+	addstr(ICON_PADDING_RIGHT);
 }
 #endif
 
@@ -3502,7 +3547,7 @@ static void printent(const struct entry *ent, uint namecols, bool sel)
 {
 	uchar pair = 0;
 	char ind = '\0';
-	int attrs = sel ? A_REVERSE : 0;
+	int attrs = 0;
 
 	switch (ent->mode & S_IFMT) {
 	case S_IFREG:
@@ -3573,17 +3618,16 @@ static void printent(const struct entry *ent, uint namecols, bool sel)
 
 	addch((ent->flags & FILE_SELECTED) ? '+' : ' ');
 
-	if (attrs)
-		attron(attrs);
-
 #ifdef ICONS
-	if (!g_state.oldcolor) {
-		addstr(ICON_PADDING_LEFT);
-		addstr(get_icon(ent));
-		addstr(ICON_PADDING_RIGHT);
-	}
+	if (!g_state.oldcolor)
+		print_icon(ent, attrs);
 #endif
 
+	if (sel)
+		attrs |= A_REVERSE;
+	if (attrs)
+		attron(attrs);
+
 #ifndef NOLOCALE
 	addwstr(unescape(ent->name, namecols));
 #else
@@ -3696,14 +3740,16 @@ static void printent_long(const struct entry *ent, uint namecols, bool sel)
 		break;
 	}
 
-	addstr("  ");
-
 	if (g_state.oldcolor) {
+		addstr("  ");
 		if (!ln) {
 			attroff(A_DIM);
 			attrs ^=  A_DIM;
 		}
 	} else {
+#ifndef ICONS
+		addstr("  ");
+#endif
 		if (ent->flags & FILE_MISSING)
 			pair = C_MIS;
 		else {
@@ -3711,19 +3757,19 @@ static void printent_long(const struct entry *ent, uint namecols, bool sel)
 			attrs ^= (COLOR_PAIR(C_MIS));
 		}
 
-		if (pair && fcolors[pair]) {
+		if (pair && fcolors[pair])
 			attrs |= COLOR_PAIR(pair);
-			attron(attrs);
-		}
-	}
-
 #ifdef ICONS
-	if (!g_state.oldcolor) {
-		addstr(ICON_PADDING_LEFT);
-		addstr(get_icon(ent));
-		addstr(ICON_PADDING_RIGHT);
-	}
+		attroff(attrs);
+		addstr("  ");
+		if (sel)
+			attrs &= ~A_REVERSE;
+		print_icon(ent, attrs);
+		if (sel)
+			attrs |= A_REVERSE;
 #endif
+		attron(attrs);
+	}
 
 #ifndef NOLOCALE
 	addwstr(unescape(ent->name, namecols));