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kconfig/[mn]conf: handle backspace (^H) key 

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: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
hifive-unleashed-5.1
Changbin Du 2019-03-25 15:16:47 +00:00 committed by Masahiro Yamada
parent 54a7151b14
commit 9c38f1f044
3 changed files with 5 additions and 3 deletions
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3
scripts/kconfig/lxdialog/inputbox.c
View File

@ -113,7 +113,8 @@ 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) {

2
scripts/kconfig/nconf.c
View File

@ -1048,7 +1048,7 @@ static int do_match(int key, struct match_state *state, int *ans)
state->match_direction = FIND_NEXT_MATCH_UP;
*ans = get_mext_match(state->pattern,
state->match_direction);
} else if (key == KEY_BACKSPACE || key == 127) {
} else if (key == KEY_BACKSPACE || key == 8 || key == 127) {
state->pattern[strlen(state->pattern)-1] = '\0';
adj_match_dir(&state->match_direction);
} else

3
scripts/kconfig/nconf.gui.c
View File

@ -439,7 +439,8 @@ int dialog_inputbox(WINDOW *main_window,
case KEY_F(F_EXIT):
case KEY_F(F_BACK):
break;
case 127:
case 8: /* ^H */
case 127: /* ^? */
case KEY_BACKSPACE:
if (cursor_position > 0) {
memmove(&result[cursor_position-1],