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support/kconfig: handle backspace (^H) key

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This is in the mainline kernel since v5.1-rc3:
9c38f1f04408 ("kconfig/[mn]conf: handle backspace (^H) key")

Quoting the commit's log:

"
Backspace is not working on some terminal emulators which do not send the
key code defined by terminfo. Terminals either send '^H' (8) or '^?' (127).
But currently only '^?' is handled. Let's also handle '^H' for those
terminals.
"

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Sébastien Szymanski
2025-03-13 18:44:59 +01:00
committed by Julien Olivain
parent d63e207eb8
commit d65c10c20a
5 changed files with 68 additions and 3 deletions
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3
support/kconfig/lxdialog/inputbox.c
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@@ -126,7 +126,8 @@ do_resize:
case KEY_DOWN:
break;
case KEY_BACKSPACE:
case 127:
case 8: /* ^H */
case 127: /* ^? */
if (pos) {
wattrset(dialog, dlg.inputbox.atr);
if (input_x == 0) {