[Bug tui/15163] Vi settings within ~/.inputrc prevent entering/exiting TUI via C-x a

["memo.salas at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=15163

Memo Salas <memo.salas at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |memo.salas at gmail dot com

--- Comment #4 from Memo Salas <memo.salas at gmail dot com> ---
This is the workaround I found:

in my ~/.inputrc , I added a line that looks like this:
C-P: tui-switch-mode

i.e. ctrl-p will do the switch.

Then, in gdb's source, in the file gdb/tui/tui.c , I found the call that
normally looks like this:

rl_add_defun ("tui-switch-mode", tui_rl_switch_mode, -1);

and changed the 3rd parameter (i.e. the key) to be a 16. Why 16? it's what the
macro CTRL(X) will do for the letter I want to assign (i.e. ctrl-p in my case).

After that, I can exit in vi-keys out of tui mode by pressing ctrl-p.


So what is the real fix?
It seems to me that a solution will have to do with changing the function
"tui_initialize_readline", which is the one that is being called at startup in
a way that it hardcodes a key of with value -1 to the "tui-switch-mode", so
that the user can provide their own key for it. My question is why is there a
-1 being assigned to that function right now in the first place. Does anybody
know ?

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