From ae961da157597e2fc8df27bf38728c0630fe567e Mon Sep 17 00:00:00 2001 From: Arun Prakash Jana Date: Tue, 4 Aug 2020 19:22:29 +0530 Subject: Support file colors --- src/nnn.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 123 insertions(+), 13 deletions(-) (limited to 'src/nnn.c') diff --git a/src/nnn.c b/src/nnn.c index 1349f36..d4300c1 100644 --- a/src/nnn.c +++ b/src/nnn.c @@ -668,6 +668,25 @@ static const char * const patterns[] = { "sed -i 's|^%s\\(.*\\)$|%s\\1|' %s", }; +/* Colors */ +#define C_BLK (CTX_MAX + 1) /* Block device: DarkSeaGreen1 */ +#define C_CHR (C_BLK + 1) /* Character device: Yellow1 */ +#define C_DIR (C_CHR + 1) /* Directory: DeepSkyBlue1 */ +#define C_EXE (C_DIR + 1) /* Executable file: Green1 */ +#define C_FIL (C_EXE + 1) /* Regular file: Normal */ +#define C_HRD (C_FIL + 1) /* Hard link: Plum4 */ +#define C_LNK (C_HRD + 1) /* Symbolic link: Cyan1 */ +#define C_MIS (C_LNK + 1) /* Missing file: Grey70 */ +#define C_ORP (C_MIS + 1) /* Orphaned symlink: DeepPink1 */ +#define C_PIP (C_ORP + 1) /* Named pipe (FIFO): Orange1 */ +#define C_SOC (C_PIP + 1) /* Socket: MediumOrchid1 */ +#define C_UND (C_SOC + 1) /* Unknown OR 0B regular/exe file: Red1 */ + +#ifndef NOFCOLORS +static char gcolors[] = "c1e2272e006033f9c6d6abc4"; +static uint fcolors[C_UND + 1] = {0}; +#endif + /* Event handling */ #ifdef LINUX_INOTIFY #define NUM_EVENT_SLOTS 32 /* Make room for 8 events */ @@ -1550,6 +1569,28 @@ static void export_file_list(void) unlink(g_tmpfpath); } +#ifndef NOFCOLORS +static bool init_fcolors(void) +{ + char *f_colors = getenv("NNN_FCOLORS"); + + if (f_colors) { + for (uchar id = C_BLK; *f_colors && id <= C_UND; ++id) { + fcolors[id] = xchartohex(*f_colors) << 4; + if (*++f_colors) { + fcolors[id] += xchartohex(*f_colors); + if (fcolors[id]) + init_pair(id, fcolors[id], -1); + } else + return FALSE; + ++f_colors; + } + } + + return TRUE; +} +#endif + /* Initialize curses mode */ static bool initcurses(void *oldmask) { @@ -1608,6 +1649,14 @@ static bool initcurses(void *oldmask) */ if (sep) *sep = '\0'; + +#ifndef NOFCOLORS + if (!init_fcolors()) { + exitcurses(); + fprintf(stderr, "NNN_FCOLORS!\n"); + return FALSE; + } +#endif } else { colors = sep; /* Detect if 8 colors fallback is appended */ if (colors) @@ -3171,6 +3220,7 @@ static char *get_kv_val(kv *kvarr, char *buf, int key, uchar max, uchar id) return NULL; } +#ifdef NOFCOLORS static void resetdircolor(int flags) { if (g_state.dircolor && !(flags & DIR_OR_LINK_TO_DIR)) { @@ -3178,6 +3228,7 @@ static void resetdircolor(int flags) g_state.dircolor = 0; } } +#endif /* * Replace escape characters in a string with '?' @@ -3313,28 +3364,47 @@ static char *coolsize(off_t size) return size_buf; } -static char get_ind(mode_t mode, bool perms) +static char get_ind(mode_t mode, bool perms, uchar *pair) { switch (mode & S_IFMT) { case S_IFREG: if (perms) return '-'; - if (mode & 0100) + if (mode & 0100) { + *pair = C_EXE; return '*'; + } + *pair = C_FIL; return '\0'; case S_IFDIR: - return perms ? 'd' : '/'; + if (perms) + return 'd'; + *pair = C_DIR; + return '/'; case S_IFLNK: return perms ? 'l' : '@'; case S_IFSOCK: - return perms ? 's' : '='; + if (perms) + return 's'; + *pair = C_SOC; + return '='; case S_IFIFO: - return perms ? 'p' : '|'; + if (perms) + return 'p'; + *pair = C_PIP; + return '|'; case S_IFBLK: - return perms ? 'b' : '\0'; + if (perms) + return 'b'; + *pair = C_BLK; + return '\0'; case S_IFCHR: - return perms ? 'c' : '\0'; + if (perms) + return 'c'; + *pair = C_CHR; + return '\0'; default: + *pair = C_UND; return '?'; } } @@ -3345,7 +3415,7 @@ static char *get_lsperms(mode_t mode) static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"}; static char bits[11] = {'\0'}; - bits[0] = get_ind(mode, TRUE); + bits[0] = get_ind(mode, TRUE, NULL); xstrsncpy(&bits[1], rwx[(mode >> 6) & 7], 4); xstrsncpy(&bits[4], rwx[(mode >> 3) & 7], 4); @@ -3371,26 +3441,53 @@ static void print_time(const time_t *timep) static void printent(const struct entry *ent, uint namecols, bool sel) { - char ind = get_ind(ent->mode, FALSE); + uchar pair = 0; + char ind = get_ind(ent->mode, FALSE, &pair); +#ifdef NOFCOLORS int attrs = ((ind == '@' || (ent->flags & HARD_LINK)) ? A_DIM : 0) | (sel ? A_REVERSE : 0); - if (ind == '@' && (ent->flags & DIR_OR_LINK_TO_DIR)) - ind = '/'; +#else + int attrs = sel ? A_REVERSE : 0; +#endif + + if (ind == '@') { + pair = (ent->flags & SYM_ORPHAN) ? C_ORP : C_LNK; + + if (ent->flags & DIR_OR_LINK_TO_DIR) + ind = '/'; + } else if (!ent->size && (pair == C_FIL || pair == C_EXE)) + pair = C_UND; + else if (ent->flags & HARD_LINK) + pair = C_HRD; + else if (ent->flags & FILE_MISSING) + pair = C_MIS; if (!ind) ++namecols; +#ifdef NOFCOLORS /* Directories are always shown on top */ resetdircolor(ent->flags); +#endif addch((ent->flags & FILE_SELECTED) ? '+' : ' '); +#ifndef NOFCOLORS + if (pair && fcolors[pair]) + attrs |= COLOR_PAIR(pair); +#endif if (attrs) attron(attrs); + #ifndef NOLOCALE addwstr(unescape(ent->name, namecols)); #else addstr(unescape(ent->name, MIN(namecols, ent->nlen) + 1)); #endif + +#ifndef NOFCOLORS + if (pair && fcolors[pair]) + attrs |= COLOR_PAIR(pair); +#endif if (attrs) attroff(attrs); @@ -3407,8 +3504,10 @@ static void printent_long(const struct entry *ent, uint namecols, bool sel) uint len; char *size; +#ifdef NOFCOLORS /* Directories are always shown on top */ resetdircolor(ent->flags); +#endif addch((ent->flags & FILE_SELECTED) ? '+' : ' '); @@ -5273,17 +5372,21 @@ static int adjust_cols(int ncols) static void draw_line(char *path, int ncols) { - bool dir = FALSE; - ncols = adjust_cols(ncols); +#ifdef NOFCOLORS + bool dir = FALSE; + if (pdents[last].flags & DIR_OR_LINK_TO_DIR) { attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); dir = TRUE; } +#endif + move(2 + last - curscroll, 0); printptr(&pdents[last], ncols, false); +#ifdef NOFCOLORS if (pdents[cur].flags & DIR_OR_LINK_TO_DIR) { if (!dir) {/* First file is not a directory */ attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); @@ -5293,13 +5396,16 @@ static void draw_line(char *path, int ncols) attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); dir = FALSE; } +#endif move(2 + cur - curscroll, 0); printptr(&pdents[cur], ncols, true); +#ifdef NOFCOLORS /* Must reset e.g. no files in dir */ if (dir) attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); +#endif statusbar(path); } @@ -5390,18 +5496,22 @@ static void redraw(char *path) ncols = adjust_cols(ncols); +#ifdef NOFCOLORS attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); g_state.dircolor = 1; +#endif /* Print listing */ for (i = curscroll; i < ndents && i < curscroll + onscreen; ++i) printptr(&pdents[i], ncols, i == cur); +#ifdef NOFCOLORS /* Must reset e.g. no files in dir */ if (g_state.dircolor) { attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); g_state.dircolor = 0; } +#endif statusbar(path); } -- cgit v1.2.3-70-g09d2