Add keys: Shift+TAB, '

README.md

@@ -196,11 +196,11 @@ The list below is from the **dev branch**. Press <kbd>?</kbd> in `nnn` to see th
         ↵ → l  Open file/dir     .  Toggle show hidden
          g ^A  First entry    G ^E  Last entry
             b  Pin current dir  ^B  Go to pinned dir
-       Tab ^I  Next context      d  Toggle detail view
+      (Sh)Tab  Cycle context     d  Toggle detail view
          , ^/  Lead key    N LeadN  Context N
             /  Filter/Lead  Ins ^T  Toggle nav-as-you-type
           Esc  Exit prompt   ^L F5  Redraw/clear prompt
-            ?  Help, config  Lead'  First file
+            ?  Help, conf  ' Lead'  First file
          Q ^Q  Quit  ^G  QuitCD  q  Quit context
  FILES
            ^O  Open with...      n  Create new/link
@@ -242,8 +242,6 @@ The Leader/Lead key provides a powerful multi-functional navigation mechanism. I
 | Key | Function |
 |:---:| --- |
 | <kbd>1-4</kbd> | Go to/create selected context |
-| <kbd>]</kbd> | Go to next active context |
-| <kbd>[</kbd> | Go to previous active context |
 | key | Go to bookmarked location |
 | <kbd>'</kbd> | Go to first file in directory |
 | <kbd>~</kbd> <kbd>`</kbd> <kbd>@</kbd> <kbd>-</kbd> | Visit HOME, `/`, start, last visited dir |

src/nnn.c

@@ -2823,11 +2823,11 @@ static void show_help(const char *path)
 	      "8↵ → l  Open file/dir     .  Toggle show hidden\n"
 	       "9g ^A  First entry    G ^E  Last entry\n"
 		  "cb  Pin current dir  ^B  Go to pinned dir\n"
-	     "7Tab ^I  Next context      d  Toggle detail view\n"
+	    "6(Sh)Tab  Next context      d  Toggle detail view\n"
 	       "9, ^/  Lead key    N LeadN  Context N\n"
 		  "c/  Filter/Lead  Ins ^T  Toggle nav-as-you-type\n"
 		"aEsc  Exit prompt   ^L F5  Redraw/clear prompt\n"
-		  "c?  Help, config  Lead'  First file\n"
+		  "c?  Help, conf  ' Lead'  First file\n"
 	       "9Q ^Q  Quit  ^G  QuitCD  q  Quit context\n"
 		"1FILES\n"
 		 "b^O  Open with...      n  Create new/link\n"
@@ -3744,16 +3744,31 @@ nochange:
 			goto begin;
 		case SEL_LEADER: // fallthrough
 		case SEL_CYCLE: // fallthrough
+		case SEL_CYCLER: // fallthrough
+		case SEL_FIRST: // fallthrough
 		case SEL_CTX1: // fallthrough
 		case SEL_CTX2: // fallthrough
 		case SEL_CTX3: // fallthrough
 		case SEL_CTX4:
-			if (sel == SEL_CYCLE)
-				fd = ']';
-			else if (sel >= SEL_CTX1 && sel <= SEL_CTX4)
+			switch (sel) {
+			case SEL_CYCLE:
+				fd = '\t';
+				break;
+			case SEL_CYCLER:
+				fd = KEY_BTAB;
+				break;
+			case SEL_FIRST:
+				fd = '\'';
+				break;
+			case SEL_CTX1: // fallthrough
+			case SEL_CTX2: // fallthrough
+			case SEL_CTX3: // fallthrough
+			case SEL_CTX4:
 				fd = sel - SEL_CTX1 + '1';
-			else
+				break;
+			default:
 				fd = get_input(NULL);
+			}
 
 			switch (fd) {
 			case '~': // fallthrough
@@ -3778,18 +3793,18 @@ nochange:
 				if (ndents)
 					copycurname();
 				goto begin;
-			case ']': // fallthrough
-			case '[': // fallthrough
+			case '\t': // fallthrough
+			case KEY_BTAB:
 				/* visit next and previous contexts */
 				r = cfg.curctx;
-				if (fd == ']')
+				if (fd == '\t')
 					do
 						r = (r + 1) & ~CTX_MAX;
 					while (!g_ctx[r].c_cfg.ctxactive);
 				else
 					do
 						r = (r + (CTX_MAX - 1)) & (CTX_MAX - 1);
-					while (!g_ctx[r].c_cfg.ctxactive); // fallthrough
+					while (!g_ctx[r].c_cfg.ctxactive);
 				fd = '1' + r; // fallthrough
 			case '1': // fallthrough
 			case '2': // fallthrough

src/nnn.h

@@ -47,6 +47,7 @@ enum action {
 	SEL_CTRL_U,
 	SEL_HOME,
 	SEL_END,
+	SEL_FIRST,
 	SEL_CDHOME,
 	SEL_CDBEGIN,
 	SEL_CDLAST,
@@ -54,6 +55,7 @@ enum action {
 	SEL_VISIT,
 	SEL_LEADER,
 	SEL_CYCLE,
+	SEL_CYCLER,
 	SEL_CTX1,
 	SEL_CTX2,
 	SEL_CTX3,
@@ -141,6 +143,8 @@ static struct key bindings[] = {
 	{ KEY_END,        SEL_END },
 	{ 'G',            SEL_END },
 	{ CONTROL('E'),   SEL_END },
+	/* Go to first file */
+	{ '\'',           SEL_FIRST },
 	/* HOME */
 	{ '~',            SEL_CDHOME },
 	/* Initial directory */
@@ -155,8 +159,9 @@ static struct key bindings[] = {
 	{ CONTROL('_'),   SEL_LEADER },
 	{ ',',            SEL_LEADER },
 	/* Cycle contexts in forward direction */
-	{ '\t',           SEL_CYCLE },
-	{ CONTROL('I'),   SEL_CYCLE },
+	{ '\t',        SEL_CYCLE },
+	/* Cycle contexts in reverse direction */
+	{ KEY_BTAB,       SEL_CYCLER },
 	/* Go to/create context N */
 	{ '1',            SEL_CTX1 },
 	{ '2',            SEL_CTX2 },