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Kernel: Make backspace \b and delete 0x7F

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This is what `vim` seems to expect and imo makes way more sense.
This commit is contained in:
Bananymous
2024-12-05 14:07:48 +02:00
parent 72d9e4c1e7
commit 51b6329c86
5 changed files with 23 additions and 29 deletions
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18
userspace/programs/Shell/Input.cpp
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@@ -468,9 +468,9 @@ BAN::Optional<BAN::String> Input::get_input(BAN::Optional<BAN::StringView> custo
if (m_buffer_col <= 0)
break;
while ((m_buffers[m_buffer_index][m_buffer_col - 1] & 0xC0) == 0x80)
m_buffer_col--;
m_buffer_col--;
printf("\e[D");
m_buffers[m_buffer_index].remove(--m_buffer_col);
m_buffers[m_buffer_index].remove(--m_buffer_col);
printf("\b\e[s%s \e[u", m_buffers[m_buffer_index].data() + m_buffer_col);
fflush(stdout);
break;
case '\x01': // ^A
@@ -490,13 +490,13 @@ BAN::Optional<BAN::String> Input::get_input(BAN::Optional<BAN::StringView> custo
break;
putchar('\n');
return {};
case '\x7F': // backspace
if (m_buffer_col <= 0)
case '\x7F':
if (m_buffer_col >= m_buffers[m_buffer_index].size())
break;
while ((m_buffers[m_buffer_index][m_buffer_col - 1] & 0xC0) == 0x80)
m_buffers[m_buffer_index].remove(--m_buffer_col);
m_buffers[m_buffer_index].remove(--m_buffer_col);
printf("\b\e[s%s \e[u", m_buffers[m_buffer_index].data() + m_buffer_col);
m_buffers[m_buffer_index].remove(m_buffer_col);
while (m_buffer_col < m_buffers[m_buffer_index].size() && (m_buffers[m_buffer_index][m_buffer_col] & 0xC0) == 0x80)
m_buffers[m_buffer_index].remove(m_buffer_col);
printf("\e[s%s \e[u", m_buffers[m_buffer_index].data() + m_buffer_col);
fflush(stdout);
break;
case '\n':