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Kernel: Add a beep() syscall that beeps the PC speaker.

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Hook this up in Terminal so that the '\a' character generates a beep.
Finally emit an '\a' character in the shell line editing code when
backspacing at the start of the line.
This commit is contained in:
Andreas Kling 2019-05-15 21:40:41 +02:00
parent dcf490ecab
commit 3cba2a8a78
14 changed files with 82 additions and 25 deletions
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5
Shell/LineEditor.cpp
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@ -147,8 +147,11 @@ String LineEditor::get_line()
}
auto do_backspace = [&] {
if (m_cursor == 0)
if (m_cursor == 0) {
fputc('\a', stdout);
fflush(stdout);
return;
}
m_buffer.remove(m_cursor - 1);
--m_cursor;
putchar(8);