#### Keyboard shortcuts
```
- Key | Function
- -+-
- ↑, k, ^P | Previous entry
- ↓, j, ^N | Next entry
- PgUp, ^U | Scroll half page up
- PgDn, ^D | Scroll half page down
-Home, g, ^, ^A | Jump to first entry
- End, G, $, ^E | Jump to last entry
- →, ↵, l, ^M | Open file or enter dir
-←, Bksp, h, ^H | Go to parent dir
- Insert | Toggle navigate-as-you-type
- ~ | Jump to HOME dir
- & | Jump to initial dir
- - | Jump to last visited dir
- / | Filter dir contents
- ^/ | Open desktop search tool
- . | Toggle hide .dot files
- b | Show bookmark key prompt
- ^B | Mark current dir
- ^V | Visit marked dir
- c | Show change dir prompt
- d | Toggle detail view
- D | Show current file details
- m | Show concise media info
- M | Show full media info
- s | Toggle sort by file size
- S | Toggle disk usage mode
- t | Toggle sort by mtime
- ! | Spawn SHELL in current dir
- e | Edit entry in EDITOR
- o | Open dir in file manager
- p | Open entry in PAGER
- ^K | Invoke file path copier
- ^L, F2 | Force a redraw, unfilter
- ? | Show help, settings
- Q | Quit and change dir
- q, ^Q | Quit
+ Key | Function
+ - + -
+ ↑, k, ^P | Previous entry
+ ↓, j, ^N | Next entry
+ PgUp, ^U | Scroll half page up
+ PgDn, ^D | Scroll half page down
+ Home, g, ^, ^A | Jump to first entry
+ End, G, $, ^E | Jump to last entry
+ →, ↵, l, ^M | Open file or enter dir
+ ←, Bksp, h, ^H | Go to parent dir
+ Insert | Toggle navigate-as-you-type
+ ~ | Jump to HOME dir
+ & | Jump to initial dir
+ - | Jump to last visited dir
+ / | Filter dir contents
+ ^/ | Open desktop search tool
+ . | Toggle hide .dot files
+ b | Show bookmark key prompt
+ ^B | Mark current dir
+ ^V | Visit marked dir
+ c | Show change dir prompt
+ d | Toggle detail view
+ D | Show current file details
+ m | Show concise media info
+ M | Show full media info
+ s | Toggle sort by file size
+ S | Toggle disk usage mode
+ t | Toggle sort by mtime
+ ! | Spawn SHELL in current dir
+ e | Edit entry in EDITOR
+ o | Open dir in file manager
+ p | Open entry in PAGER
+ ^K | Invoke file path copier
+ ^L, F2 | Force a redraw, unfilter
+ ? | Show help, settings
+ Q | Quit and change dir
+ q, ^Q | Quit
```
#### Filters
return (int) (TOUPPER(*s1) - TOUPPER(*s2));
}
+/* Return the integer value of a char representing HEX */
+static char
+xchartohex(char c)
+{
+ if (c >= '0' && c <= '9')
+ return c - '0';
+
+ c = TOUPPER(c);
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+
+ return c;
+}
+
/* Trim all whitespace from both ends, / from end */
static char *
strstrip(char *s)
return 0;
}
+/*
+ * The help string tokens (each line) start with a HEX value
+ * which indicates the number of spaces to print before the
+ * particular token. This method was chosen instead of a flat
+ * string because the number of bytes in help was increasing
+ * the binary size by around a hundred bytes. This would only
+ * have increased as we keep adding new options.
+ */
static int
show_help(char *path)
{
char tmp[] = "/tmp/nnnXXXXXX";
- static char helpstr[] = ("\
- Key | Function\n\
- -+-\n\
- ↑, k, ^P | Previous entry\n\
- ↓, j, ^N | Next entry\n\
- PgUp, ^U | Scroll half page up\n\
- PgDn, ^D | Scroll half page down\n\
-Home, g, ^, ^A | Jump to first entry\n\
- End, G, $, ^E | Jump to last entry\n\
- →, ↵, l, ^M | Open file or enter dir\n\
-←, Bksp, h, ^H | Go to parent dir\n\
- Insert | Toggle navigate-as-you-type\n\
- ~ | Jump to HOME dir\n\
- & | Jump to initial dir\n\
- - | Jump to last visited dir\n\
- / | Filter dir contents\n\
- ^/ | Open desktop search tool\n\
- . | Toggle hide .dot files\n\
- b | Show bookmark key prompt\n\
- ^B | Mark current dir\n\
- ^V | Visit marked dir\n\
- c | Show change dir prompt\n\
- d | Toggle detail view\n\
- D | Show current file details\n\
- m | Show concise media info\n\
- M | Show full media info\n\
- s | Toggle sort by file size\n\
- S | Toggle disk usage mode\n\
- t | Toggle sort by mtime\n\
- ! | Spawn SHELL in current dir\n\
- e | Edit entry in EDITOR\n\
- o | Open dir in file manager\n\
- p | Open entry in PAGER\n\
- ^K | Invoke file path copier\n\
- ^L, F2 | Force a redraw, unfilter\n\
- ? | Show help, settings\n\
- Q | Quit and change dir\n\
- q, ^Q | Quit\n\n");
-
int i = 0, fd = mkstemp(tmp);
+ char *start, *end;
+ static char helpstr[] = (
+ "cKey | Function\n"
+ "e- + -\n"
+ "7↑, k, ^P | Previous entry\n"
+ "7↓, j, ^N | Next entry\n"
+ "7PgUp, ^U | Scroll half page up\n"
+ "7PgDn, ^D | Scroll half page down\n"
+"1Home, g, ^, ^A | Jump to first entry\n"
+ "2End, G, $, ^E | Jump to last entry\n"
+ "4→, ↵, l, ^M | Open file or enter dir\n"
+"1←, Bksp, h, ^H | Go to parent dir\n"
+ "9Insert | Toggle navigate-as-you-type\n"
+ "e~ | Jump to HOME dir\n"
+ "e& | Jump to initial dir\n"
+ "e- | Jump to last visited dir\n"
+ "e/ | Filter dir contents\n"
+ "d^/ | Open desktop search tool\n"
+ "e. | Toggle hide .dot files\n"
+ "eb | Show bookmark key prompt\n"
+ "d^B | Mark current dir\n"
+ "d^V | Visit marked dir\n"
+ "ec | Show change dir prompt\n"
+ "ed | Toggle detail view\n"
+ "eD | Show current file details\n"
+ "em | Show concise media info\n"
+ "eM | Show full media info\n"
+ "es | Toggle sort by file size\n"
+ "eS | Toggle disk usage mode\n"
+ "et | Toggle sort by mtime\n"
+ "e! | Spawn SHELL in current dir\n"
+ "ee | Edit entry in EDITOR\n"
+ "eo | Open dir in file manager\n"
+ "ep | Open entry in PAGER\n"
+ "d^K | Invoke file path copier\n"
+ "9^L, F2 | Force a redraw, unfilter\n"
+ "e? | Show help, settings\n"
+ "eQ | Quit and change dir\n"
+ "aq, ^Q | Quit\n\n");
if (fd == -1)
return -1;
- dprintf(fd, "%s", helpstr);
+ start = end = helpstr;
+ while (*end) {
+ while (*end != '\n')
+ ++end;
+
+ if (start == end) {
+ ++end;
+ continue;
+ }
+
+ dprintf(fd, "%*c%.*s", xchartohex(*start), ' ', (int)(end - start), start + 1);
+ start = ++end;
+ }
+
+ dprintf(fd, "\n");
if (getenv("NNN_BMS")) {
dprintf(fd, "BOOKMARKS\n");