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ensure no control chars are drawn

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Kovid Goyal
2023-11-15 19:54:53 +05:30
parent e08e15a676
commit b41cf52ce4
1 changed files with 26 additions and 25 deletions
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51
kitty/vt-parser.c
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@@ -246,31 +246,32 @@ draw_byte(PS *self, const uint8_t b) {
static void
dispatch_normal_mode_byte(PS *self, uint8_t ch) {
#define CALL_SCREEN_HANDLER(name) REPORT_COMMAND(name); name(self->screen); break;
switch(ch) {
case BEL:
CALL_SCREEN_HANDLER(screen_bell);
case BS:
CALL_SCREEN_HANDLER(screen_backspace);
case HT:
CALL_SCREEN_HANDLER(screen_tab);
case LF:
case VT:
case FF:
CALL_SCREEN_HANDLER(screen_linefeed);
case CR:
CALL_SCREEN_HANDLER(screen_carriage_return);
case SI:
REPORT_ERROR("Ignoring request to change charset as we only support UTF-8"); break;
case SO:
REPORT_ERROR("Ignoring request to change charset as we only support UTF-8"); break;
case ESC:
SET_STATE(ESC); break;
case NUL:
case DEL:
break; // no-op
default:
draw_byte(self, ch);
break;
if (ch < ' ') {
switch(ch) {
case BEL:
CALL_SCREEN_HANDLER(screen_bell);
case BS:
CALL_SCREEN_HANDLER(screen_backspace);
case HT:
CALL_SCREEN_HANDLER(screen_tab);
case LF:
case VT:
case FF:
CALL_SCREEN_HANDLER(screen_linefeed);
case CR:
CALL_SCREEN_HANDLER(screen_carriage_return);
case SI:
REPORT_ERROR("Ignoring request to change charset as we only support UTF-8"); break;
case SO:
REPORT_ERROR("Ignoring request to change charset as we only support UTF-8"); break;
case ESC:
SET_STATE(ESC); break;
break;
default:
break;
}
} else {
draw_byte(self, ch);
}
#undef CALL_SCREEN_HANDLER
}