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curses: revert alt detection

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This seems to be broken at least on some terminals and the high bit
toggle corrupts input. In addition there was printf for the esc/alt key
detection that can break the UI.

Neovim seems to have noncompatible way of detecting alt, so I think
neovim should be looked for proper way for handling this.
This commit is contained in:
Jari Vetoniemi 2021-06-07 16:28:49 +09:00
parent 69d030573c
commit ca6b903415
1 changed files with 0 additions and 50 deletions
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50
lib/renderers/curses/curses.c
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@ -296,31 +296,12 @@ poll_key(const struct bm_menu *menu, uint32_t *unicode)
assert(unicode);
*unicode = 0;
curses.polled_once = true;
bool alt = false;
if (!curses.stdscreen || curses.should_terminate)
return BM_KEY_NONE;
get_wch((wint_t*)unicode);
// alt is sent as esc, so read another character to determine if this is alt+char.
if (*unicode == 27){
nodelay(curses.stdscreen, true);
int ch = getch();
if (ch != ERR){
printf("alt-%d\n", ch);
*unicode = ch;
alt = true;
}
nodelay(curses.stdscreen, false);
}
// some terminals set high ascii bit when pressing alt
if (*unicode & (1 << 7)) {
*unicode &= ~(1 << 7);
alt = true;
}
switch (*unicode) {
#if KEY_RESIZE
case KEY_RESIZE:
@ -406,37 +387,6 @@ poll_key(const struct bm_menu *menu, uint32_t *unicode)
terminate();
return BM_KEY_RETURN;
case 49:
if (alt) { terminate(); return BM_KEY_CUSTOM_1; }
break;
case 50:
if (alt) { terminate(); return BM_KEY_CUSTOM_2; }
break;
case 51:
if (alt) { terminate(); return BM_KEY_CUSTOM_3; }
break;
case 52:
if (alt) { terminate(); return BM_KEY_CUSTOM_4; }
break;
case 53:
if (alt) { terminate(); return BM_KEY_CUSTOM_5; }
break;
case 54:
if (alt) { terminate(); return BM_KEY_CUSTOM_6; }
break;
case 55:
if (alt) { terminate(); return BM_KEY_CUSTOM_7; }
break;
case 56:
if (alt) { terminate(); return BM_KEY_CUSTOM_8; }
break;
case 57:
if (alt) { terminate(); return BM_KEY_CUSTOM_9; }
break;
case 48:
if (alt) { terminate(); return BM_KEY_CUSTOM_10; }
break;
case 7: /* C-g */
case 27: /* Escape */
terminate();