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don't respond to ctrl/alt+arrow keys
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@robhagemans
robhagemans committed Mar 10, 2018
1 parent 47c8d0c commit 0d50919
Showing 1 changed file with 87 additions and 82 deletions.
169 changes: 87 additions & 82 deletions launcher.c
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Original file line number Diff line number Diff line change
Expand Up @@ -657,6 +657,15 @@ int ansi_input(char *buffer, long *count)
// plus one char for NUL.
wchar_t wide_buffer[IO_BUFLEN];
WSTR wstr = wstr_create_empty(wide_buffer, IO_BUFLEN);
void emit_char(c) {
wstr_write_char(&wstr, c);
if (flags.echo) {
if (c == L'\r')
printf("\n");
else
printf("%lc", c);
}
};
INPUT_RECORD events[(IO_BUFLEN-1)/5];
long ecount;
if (!ReadConsoleInput(handle_cin, events, (IO_BUFLEN-1)/5, &ecount))
Expand All @@ -669,92 +678,88 @@ int ansi_input(char *buffer, long *count)
if (events[i].Event.KeyEvent.wVirtualKeyCode == VK_MENU) {
// key-up event for unicode Alt+HEX input
c = events[i].Event.KeyEvent.uChar.UnicodeChar;
wstr_write_char(&wstr, c);
if (flags.echo) {
if (c == L'\r')
printf("\n");
else
printf("%lc", c);
}
emit_char(c);
}
}
else {
// insert ansi escape codes for arrow keys etc.
switch (events[i].Event.KeyEvent.wVirtualKeyCode) {
case VK_PRIOR:
wstr_write(&wstr, L"\x1b[5~", 4);
break;
case VK_NEXT:
wstr_write(&wstr, L"\x1b[6~", 4);
break;
case VK_END:
wstr_write(&wstr, L"\x1bOF", 3);
break;
case VK_HOME:
wstr_write(&wstr, L"\x1bOH", 3);
break;
case VK_LEFT:
wstr_write(&wstr, L"\x1b[D", 3);
break;
case VK_UP:
wstr_write(&wstr, L"\x1b[A", 3);
break;
case VK_RIGHT:
wstr_write(&wstr, L"\x1b[C", 3);
break;
case VK_DOWN:
wstr_write(&wstr, L"\x1b[B", 3);
break;
case VK_INSERT:
wstr_write(&wstr, L"\x1b[2~", 4);
break;
case VK_DELETE:
wstr_write(&wstr, L"\x1b[3~", 4);
break;
case VK_F1:
wstr_write(&wstr, L"\x1bOP", 3);
break;
case VK_F2:
wstr_write(&wstr, L"\x1bOQ", 3);
break;
case VK_F3:
wstr_write(&wstr, L"\x1bOR", 3);
break;
case VK_F4:
wstr_write(&wstr, L"\x1bOS", 3);
break;
case VK_F5:
wstr_write(&wstr, L"\x1b[15~", 5);
break;
case VK_F6:
wstr_write(&wstr, L"\x1b[17~", 5);
break;
case VK_F7:
wstr_write(&wstr, L"\x1b[18~", 5);
break;
case VK_F8:
wstr_write(&wstr, L"\x1b[19~", 5);
break;
case VK_F9:
wstr_write(&wstr, L"\x1b[20~", 5);
break;
case VK_F10:
wstr_write(&wstr, L"\x1b[21~", 5);
break;
case VK_F11:
wstr_write(&wstr, L"\x1b[23~", 5);
break;
case VK_F12:
wstr_write(&wstr, L"\x1b[24~", 5);
break;
default:
if (events[i].Event.KeyEvent.dwControlKeyState & 0xf) {
// ctrl or alt are down; don't parse arrow keys etc.
// but if any unicode is produced, send it on
c = events[i].Event.KeyEvent.uChar.UnicodeChar;
wstr_write_char(&wstr, c);
if (flags.echo) {
if (c == L'\r')
printf("\n");
else
printf("%lc", c);
emit_char(c);
}
else {
// insert ansi escape codes for arrow keys etc.
switch (events[i].Event.KeyEvent.wVirtualKeyCode) {
case VK_PRIOR:
wstr_write(&wstr, L"\x1b[5~", 4);
break;
case VK_NEXT:
wstr_write(&wstr, L"\x1b[6~", 4);
break;
case VK_END:
wstr_write(&wstr, L"\x1bOF", 3);
break;
case VK_HOME:
wstr_write(&wstr, L"\x1bOH", 3);
break;
case VK_LEFT:
wstr_write(&wstr, L"\x1b[D", 3);
break;
case VK_UP:
wstr_write(&wstr, L"\x1b[A", 3);
break;
case VK_RIGHT:
wstr_write(&wstr, L"\x1b[C", 3);
break;
case VK_DOWN:
wstr_write(&wstr, L"\x1b[B", 3);
break;
case VK_INSERT:
wstr_write(&wstr, L"\x1b[2~", 4);
break;
case VK_DELETE:
wstr_write(&wstr, L"\x1b[3~", 4);
break;
case VK_F1:
wstr_write(&wstr, L"\x1bOP", 3);
break;
case VK_F2:
wstr_write(&wstr, L"\x1bOQ", 3);
break;
case VK_F3:
wstr_write(&wstr, L"\x1bOR", 3);
break;
case VK_F4:
wstr_write(&wstr, L"\x1bOS", 3);
break;
case VK_F5:
wstr_write(&wstr, L"\x1b[15~", 5);
break;
case VK_F6:
wstr_write(&wstr, L"\x1b[17~", 5);
break;
case VK_F7:
wstr_write(&wstr, L"\x1b[18~", 5);
break;
case VK_F8:
wstr_write(&wstr, L"\x1b[19~", 5);
break;
case VK_F9:
wstr_write(&wstr, L"\x1b[20~", 5);
break;
case VK_F10:
wstr_write(&wstr, L"\x1b[21~", 5);
break;
case VK_F11:
wstr_write(&wstr, L"\x1b[23~", 5);
break;
case VK_F12:
wstr_write(&wstr, L"\x1b[24~", 5);
break;
default:
c = events[i].Event.KeyEvent.uChar.UnicodeChar;
emit_char(c);
}
}
// overflow check
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