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bindings: stop <Alt+operator> on the keypad from entering spurious letter 

For the operator keys on the numeric keypad (/, *, -, and +),
make both the Alt and the Ctrl modifier a no-op.

This fixes https://savannah.gnu.org/bugs/?58731.

Bug existed since version 2.9.3, commit e734488c.
This commit is contained in:
Benno Schulenberg 2020-07-09 20:01:09 +02:00
parent 95df7dbc8e
commit ecb4dac494
1 changed files with 13 additions and 2 deletions
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15
src/winio.c
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@ -372,11 +372,12 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
if (length > 2)
*consumed = 3;
break;
#ifndef NANO_TINY
case '3':
case '5':
if (length > 2) {
*consumed = 3;
switch (seq[2]) {
#ifndef NANO_TINY
case 'A': /* Esc O 5 A == Ctrl-Up on Haiku. */
return CONTROL_UP;
case 'B': /* Esc O 5 B == Ctrl-Down on Haiku. */
@ -385,10 +386,20 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
return CONTROL_RIGHT;
case 'D': /* Esc O 5 D == Ctrl-Left on Haiku. */
return CONTROL_LEFT;
#endif
case 'M': /* Esc O . M == modified Enter on keypad. */
return KEY_ENTER;
case 'j': /* Esc O . j == modified '*' on keypad. */
return '*';
case 'k': /* Esc O . k == modified '+' on keypad. */
return '+';
case 'm': /* Esc O . m == modified '-' on keypad. */
return '-';
case 'o': /* Esc O . o == modified '/' on keypad. */
return '/';
}
}
break;
#endif
case 'A': /* Esc O A == Up on VT100/VT320. */
case 'B': /* Esc O B == Down on VT100/VT320. */
case 'C': /* Esc O C == Right on VT100/VT320. */