Re: [Nano-devel] Ctrl+Left / Ctrl+Right

[David Lawrence Ramsey]

chulenberg wrote:

<snip>

> Sorry to say it does not.  As before, Ctrl+Left and Ctrl+Right just
> produce "[ Unknown Command ]" on the status line.

How about the attached patch, then?

> Of that little group of ten keys, only Insert, Delete, PageUp, and
> PageDown keep on doing what they normally do when used together with
> Ctrl or Alt.  Home and End, Up and Down, and Left and Right together
> with Ctrl or Alt produce "[ Unknown Command ]".  That seems like an
> asymmetry.  Is that intended?

No, but I don't get "Unknown Command" under those circumstances.  I'm
using rxvt-unicode 8.1.  What terminal are you using?

diff -ur nano/src/nano.h nano-fixed/src/nano.h
--- nano/src/nano.h     2006-11-21 12:17:50.000000000 -0500
+++ nano-fixed/src/nano.h       2006-12-17 16:22:59.000000000 -0500
@@ -467,6 +467,9 @@
 /* No key at all. */
 #define NANO_NO_KEY                    -2
 
+/* Placeholder for NANO_PREVWORD_KEY. */
+#define NANO_FAKE_PREVWORD_KEY         -3
+
 /* Normal keys. */
 #define NANO_XON_KEY                   NANO_CONTROL_Q
 #define NANO_XOFF_KEY                  NANO_CONTROL_S
diff -ur nano/src/winio.c nano-fixed/src/winio.c
--- nano/src/winio.c    2006-12-02 18:39:16.000000000 -0500
+++ nano-fixed/src/winio.c      2006-12-17 16:23:29.000000000 -0500
@@ -490,6 +490,10 @@
 
     if (retval != ERR) {
        switch (retval) {
+           case NANO_FAKE_PREVWORD_KEY:
+               *meta_key = TRUE;
+               retval = NANO_PREVWORD_KEY;
+               break;
            case NANO_CONTROL_8:
                retval = ISSET(REBIND_DELETE) ? NANO_DELETE_KEY :
                        NANO_BACKSPACE_KEY;
@@ -611,13 +615,14 @@
 #ifdef KEY_SLEFT
            /* Slang doesn't support KEY_SLEFT. */
            case KEY_SLEFT:
-               retval = NANO_BACK_KEY;
+               *meta_key = TRUE;
+               retval = NANO_PREVWORD_KEY;
                break;
 #endif
 #ifdef KEY_SRIGHT
            /* Slang doesn't support KEY_SRIGHT. */
            case KEY_SRIGHT:
-               retval = NANO_FORWARD_KEY;
+               retval = NANO_NEXTWORD_KEY;
                break;
 #endif
 #ifdef KEY_SSUSPEND
@@ -763,9 +768,13 @@
                        break;
                    case 'a': /* Esc O a == Ctrl-Up on rxvt. */
                    case 'b': /* Esc O b == Ctrl-Down on rxvt. */
+                       retval = get_escape_seq_abcd(seq[1]);
+                       break;
                    case 'c': /* Esc O c == Ctrl-Right on rxvt. */
+                       retval = NANO_NEXTWORD_KEY;
+                       break;
                    case 'd': /* Esc O d == Ctrl-Left on rxvt. */
-                       retval = get_escape_seq_abcd(seq[1]);
+                       retval = NANO_FAKE_PREVWORD_KEY;
                        break;
                    case 'j': /* Esc O j == '*' on numeric keypad with
                               * NumLock off on VT100/VT220/VT320/xterm/
@@ -853,9 +862,13 @@
                switch (seq[1]) {
                    case 'a': /* Esc o a == Ctrl-Up on Eterm. */
                    case 'b': /* Esc o b == Ctrl-Down on Eterm. */
+                       retval = get_escape_seq_abcd(seq[1]);
+                       break;
                    case 'c': /* Esc o c == Ctrl-Right on Eterm. */
+                       retval = NANO_NEXTWORD_KEY;
+                       break;
                    case 'd': /* Esc o d == Ctrl-Left on Eterm. */
-                       retval = get_escape_seq_abcd(seq[1]);
+                       retval = NANO_FAKE_PREVWORD_KEY;
                        break;
                }
                break;
@@ -925,11 +938,15 @@
                                   * xterm. */
                        case 'B': /* Esc [ 1 ; 5 B == Ctrl-Down on
                                   * xterm. */
+                           retval = get_escape_seq_abcd(seq[4]);
+                           break;
                        case 'C': /* Esc [ 1 ; 5 C == Ctrl-Right on
                                   * xterm. */
+                           retval = NANO_NEXTWORD_KEY;
+                           break;
                        case 'D': /* Esc [ 1 ; 5 D == Ctrl-Left on
                                   * xterm. */
-                           retval = get_escape_seq_abcd(seq[4]);
+                           retval = NANO_FAKE_PREVWORD_KEY;
                            break;
                    }
                }