Actually, I have no problems with having both ALT keys generate a meta.
I would rather not add to the plethora of CYGWIN options if we can
help it.
cgf
On Tue, Feb 27, 2001 at 02:25:55PM -0800, Jason Tiller wrote:
>Hello, Everyone, :)
>
>Per the instructions on http://www.cygwin.com/contrib.html, here is
>the patch and ChangeLog entry for my minor changes to allow the user
>to configure the right-side <alt> key (AltGr) to generate
>Meta-prefixed characters as opposed to high-bit characters. This is
>accomplished by a new CYGWIN environment variable option:
>'right_alt_meta'. With this specified, AltGr generates Meta. The
>default case or with 'noright_alt_meta' specified is to ignore AltGr
>in the console handler.
>
>I chose to submit this here because the page indicated that small
>patches could be sent to the user list. I would be willing to submit
>text for the FAQ and/or User Guide if either of those documents had a
>section on the CYGWIN variable.
>
>Here are the diffs:
>
>--- environ.cc.orig Mon Jan 29 18:36:10 2001
>+++ environ.cc Mon Feb 26 22:44:40 2001
>@@ -33,6 +33,7 @@ extern BOOL allow_smbntsec;
> extern BOOL strip_title_path;
> extern DWORD chunksize;
> BOOL reset_com = TRUE;
>+extern BOOL meta_mask;
> static BOOL envcache = TRUE;
>
> static char **lastenviron = NULL;
>@@ -451,6 +452,7 @@ struct parse_thing
> {"ntsec", {&allow_ntsec}, justset, NULL, {{FALSE}, {TRUE}}},
> {"smbntsec", {&allow_smbntsec}, justset, NULL, {{FALSE}, {TRUE}}},
> {"reset_com", {&reset_com}, justset, NULL, {{FALSE}, {TRUE}}},
>+ {"right_alt_meta", {&meta_mask}, justset, NULL, {{LEFT_ALT_PRESSED},
>{LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED}}},
> {"strip_title", {&strip_title_path}, justset, NULL, {{FALSE}, {TRUE}}},
> {"title", {&display_title}, justset, NULL, {{FALSE}, {TRUE}}},
> {"tty", {NULL}, set_process_state, NULL, {{0}, {PID_USETTY}}},
>
>
>--- fhandler_console.cc.orig Mon Jan 29 18:36:12 2001
>+++ fhandler_console.cc Mon Feb 26 22:44:40 2001
>@@ -50,6 +50,11 @@ const char * get_nonascii_key (INPUT_REC
>
> static BOOL use_mouse = FALSE;
>
>+// This is a constant set by the user via CYGWIN=. It is set to a
>+// mask which we apply against characters coming from the console to
>+// determine it they should be prefixed by META (\033).
>+int meta_mask = LEFT_ALT_PRESSED;
>+
> static tty_min NO_COPY *shared_console_info = NULL;
>
> /* Allocate and initialize the shared record for the current console.
>@@ -220,7 +225,7 @@ fhandler_console::read (void *pv, size_t
> converting a CTRL-U. */
> if ((unsigned char)ich > 0x7f && current_codepage == ansi_cp)
> OemToCharBuff (tmp + 1, tmp + 1, 1);
>- if (!(input_rec.Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED))
>+ if (!(input_rec.Event.KeyEvent.dwControlKeyState & meta_mask))
> toadd = tmp + 1;
> else
> {
>
>
>Here is the ChangeLog:
>
>Tue Feb 27 14:22:10 2001 Jason Tiller <[EMAIL PROTECTED]>
>
> * environ.cc: Add extern link to to keyboard meta key mask
> global variable.
> Add "right_alt_meta" CYGWIN environment option to 'struct
> parse_thing known[]' array. User sets "right_alt_meta" to use
> the right <alt> key (AltGr) as Meta, not as a modifier.
> * fhandler_console.cc: Add global variable 'meta_mask'.
> (fhandler_console::read): Use new meta_mask variable to test
> input keystrokes for Meta instead of just LEFT_ALT_PRESSED.
>
>
>Thank you for considering this patch. I hope others can get some use
>out of it.
>
>---Jason Tiller
>[EMAIL PROTECTED]
>Sonos
>
>
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