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authorGravatar Arun Prakash Jana <engineerarun@gmail.com>2020-08-04 19:22:29 +0530
committerGravatar Arun Prakash Jana <engineerarun@gmail.com>2020-08-04 19:22:29 +0530
commitae961da157597e2fc8df27bf38728c0630fe567e (patch)
treea674d831e117a5acf6033f1af079fbdecc7fc347 /src/nnn.c
parentccfccb7187a82ebe7fce3ca2bbc3eaa94a1b4ccd (diff)
downloadnnn-ae961da157597e2fc8df27bf38728c0630fe567e.tar.gz
Support file colors
Diffstat (limited to 'src/nnn.c')
-rw-r--r--src/nnn.c136
1 files changed, 123 insertions, 13 deletions
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);
}