Merge branch 'maint'

2 files changed, 78 insertions, 3 deletions

diff --git a/lib/kernel/test/interactive_shell_SUITE.erl b/lib/kernel/test/interactive_shell_SUITE.erl
index d7d9434b1f..a375adceea 100644
--- a/lib/kernel/test/interactive_shell_SUITE.erl
+++ b/lib/kernel/test/interactive_shell_SUITE.erl
@@ -22,7 +22,7 @@
 	 init_per_group/2,end_per_group/2, 
 	 get_columns_and_rows/1, exit_initial/1, job_control_local/1, 
 	 job_control_remote/1,
-	 job_control_remote_noshell/1]).
+	 job_control_remote_noshell/1,ctrl_keys/1]).
 
 -export([init_per_testcase/2, end_per_testcase/2]).
 %% For spawn
@@ -41,7 +41,8 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
     [get_columns_and_rows, exit_initial, job_control_local,
-     job_control_remote, job_control_remote_noshell].
+     job_control_remote, job_control_remote_noshell,
+     ctrl_keys].
 
 groups() -> 
     [].
@@ -289,7 +290,51 @@ job_control_remote_noshell(Config) when is_list(Config) ->
 	    ?line stop_noshell_node(NSNode),
 	    ?line Res
     end.
-	    
+
+ctrl_keys(suite) -> [];
+ctrl_keys(doc) -> ["Tests various control keys"];
+ctrl_keys(_Conf) when is_list(_Conf) ->
+    Cu=[$\^u],
+    Cw=[$\^w],
+    Home=[27,$O,$H],
+    End=[27,$O,$F],
+    rtnode([{putline,""},
+	    {putline,"2."},
+	    {getline,"2"},
+	    {putline,"\"hello "++Cw++"world\"."},	% test <CTRL>+W
+	    {getline,"\"world\""},
+	    {putline,"\"hello "++Cu++"\"world\"."},	% test <CTRL>+U
+	    {getline,"\"world\""},
+	    {putline,"world\"."++Home++"\"hello "},	% test <HOME>
+	    {getline,"\"hello world\""},
+	    {putline,"world"++Home++"\"hello "++End++"\"."},	% test <END>
+	    {getline,"\"hello world\""}]
+	    ++wordLeft()++wordRight(),[]).
+
+
+wordLeft() ->
+    L1=[27,27,$[,$D],
+    L2=[27]++"[5D",
+    L3=[27]++"[1;5D",
+    wordLeft(L1)++wordLeft(L2)++wordLeft(L3).
+
+wordLeft(Chars) ->
+    End=[27,$O,$F],
+    [{putline,"\"world\""++Chars++"hello "++End++"."},
+     {getline,"\"hello world\""}].
+
+wordRight() ->
+    R1=[27,27,$[,$C],
+    R2=[27]++"[5C",
+    R3=[27]++"[1;5C",
+    wordRight(R1)++wordRight(R2)++wordRight(R3).
+
+wordRight(Chars) ->
+    Home=[27,$O,$H],
+    [{putline,"world"++Home++"\"hello "++Chars++"\"."},
+     {getline,"\"hello world\""}].
+
+
 rtnode(C,N) ->
     rtnode(C,N,[]).
 rtnode(Commands,Nodename,ErlPrefix) ->
diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl
index 6318c229be..be9a4f5107 100644
--- a/lib/stdlib/src/edlin.erl
+++ b/lib/stdlib/src/edlin.erl
@@ -78,6 +78,14 @@ edit([C|Cs], P, {Bef,Aft}, Prefix, Rs0) ->
     case key_map(C, Prefix) of
 	meta ->
 	    edit(Cs, P, {Bef,Aft}, meta, Rs0);
+    meta_o ->
+        edit(Cs, P, {Bef,Aft}, meta_o, Rs0);
+    meta_csi ->
+        edit(Cs, P, {Bef,Aft}, meta_csi, Rs0);
+    meta_meta ->
+        edit(Cs, P, {Bef,Aft}, meta_meta, Rs0);
+    {csi, _} = Csi ->
+        edit(Cs, P, {Bef,Aft}, Csi, Rs0);
 	meta_left_sq_bracket ->
 	    edit(Cs, P, {Bef,Aft}, meta_left_sq_bracket, Rs0);
 	search_meta ->
@@ -177,6 +185,7 @@ key_map($\^U, none) -> ctlu;
 key_map($\^], none) -> auto_blink;
 key_map($\^X, none) -> ctlx;
 key_map($\^Y, none) -> yank;
+key_map($\^W, none) -> backward_kill_word;
 key_map($\e, none) -> meta;
 key_map($), Prefix) when Prefix =/= meta,
                          Prefix =/= search,
@@ -197,11 +206,29 @@ key_map($d, meta) -> kill_word;
 key_map($f, meta) -> forward_word;
 key_map($t, meta) -> transpose_word;
 key_map($y, meta) -> yank_pop;
+key_map($O, meta) -> meta_o;
+key_map($H, meta_o) -> beginning_of_line;
+key_map($F, meta_o) -> end_of_line;
 key_map($\177, none) -> backward_delete_char;
 key_map($\177, meta) -> backward_kill_word;
 key_map($[, meta) -> meta_left_sq_bracket;
 key_map($D, meta_left_sq_bracket) -> backward_char;
 key_map($C, meta_left_sq_bracket) -> forward_char;
+% support a few <CTRL>+<CURSOR LEFT|RIGHT> combinations...
+%  - forward:  \e\e[C, \e[5C, \e[1;5C
+%  - backward: \e\e[D, \e[5D, \e[1;5D
+key_map($\e, meta) -> meta_meta;
+key_map($[, meta_meta) -> meta_csi;
+key_map($C, meta_csi) -> forward_word;
+key_map($D, meta_csi) -> backward_word;
+key_map($1, meta_left_sq_bracket) -> {csi, "1"};
+key_map($5, meta_left_sq_bracket) -> {csi, "5"};
+key_map($5, {csi, "1;"}) -> {csi, "1;5"};
+key_map($C, {csi, "5"}) -> forward_word;
+key_map($C, {csi, "1;5"}) -> forward_word;
+key_map($D, {csi, "5"})  -> backward_word;
+key_map($D, {csi, "1;5"}) -> backward_word;
+key_map($;, {csi, "1"}) -> {csi, "1;"};
 key_map(C, none) when C >= $\s ->
     {insert,C};
 %% for search, we need smarter line handling and so
@@ -362,6 +389,9 @@ do_op(end_of_line, Bef, [C|Aft], Rs) ->
     {{reverse(Aft, [C|Bef]),[]},[{move_rel,length(Aft)+1}|Rs]};
 do_op(end_of_line, Bef, [], Rs) ->
     {{Bef,[]},Rs};
+do_op(ctlu, Bef, Aft, Rs) ->
+    put(kill_buffer, Bef),
+    {{[], Aft}, [{delete_chars, -length(Bef)} | Rs]};
 do_op(beep, Bef, Aft, Rs) ->
     {{Bef,Aft},[beep|Rs]};
 do_op(_, Bef, Aft, Rs) ->