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Shell: Support home/end keys for line editing.

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This commit is contained in:
Andreas Kling 2019-05-07 05:03:21 +02:00
parent d53941a466
commit b04f08ba48
2 changed files with 24 additions and 1 deletions
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6
Applications/Terminal/Terminal.cpp
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@ -769,6 +769,12 @@ void Terminal::keydown_event(GKeyEvent& event)
case KeyCode::Key_Left:
write(m_ptm_fd, "\033[D", 3);
break;
case KeyCode::Key_Home:
write(m_ptm_fd, "\033[H", 3);
break;
case KeyCode::Key_End:
write(m_ptm_fd, "\033[F", 3);
break;
default:
write(m_ptm_fd, &ch, 1);
break;

19
Shell/LineEditor.cpp
View file

@ -21,8 +21,9 @@ void LineEditor::add_to_history(const String& line)
void LineEditor::clear_line()
{
for (int i = 0; i < m_buffer.size(); ++i)
for (int i = 0; i < m_cursor; ++i)
fputc(0x8, stdout);
fputs("\033[K", stdout);
fflush(stdout);
m_buffer.clear();
m_cursor = 0;
@ -110,6 +111,22 @@ String LineEditor::get_line()
}
m_state = InputState::Free;
continue;
case 'H':
if (m_cursor > 0) {
fprintf(stdout, "\033[%dD", m_cursor);
fflush(stdout);
m_cursor = 0;
}
m_state = InputState::Free;
continue;
case 'F':
if (m_cursor < m_buffer.size()) {
fprintf(stdout, "\033[%dC", m_buffer.size() - m_cursor);
fflush(stdout);
m_cursor = m_buffer.size();
}
m_state = InputState::Free;
continue;
default:
dbgprintf("Shell: Unhandled final: %b (%c)\n", ch, ch);
m_state = InputState::Free;