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Kernel: Implement ANSI CSI M and fix ANSI CSI L 

There are not maybe not correct, but work much better than the old ones
This commit is contained in:
Bananymous 2024-08-05 15:53:01 +03:00
parent dbba9128a4
commit e72424e01a
1 changed files with 25 additions and 10 deletions
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27
kernel/kernel/Terminal/VirtualTTY.cpp
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@ -245,19 +245,34 @@ namespace Kernel
case 'L': // Insert Line
if (m_ansi_state.nums[0] == -1)
m_ansi_state.nums[0] = 1;
for (uint32_t y_off = 0; y_off < (uint32_t)m_ansi_state.nums[0]; y_off++)
{
const uint32_t src_y = m_row + y_off;
const uint32_t dst_y = src_y + m_ansi_state.nums[0];
if (dst_y < m_height)
for (uint32_t row = m_height; row > m_row; row--)
{
const uint32_t dst_y = row - 1;
const uint32_t src_y = dst_y - m_ansi_state.nums[0];
memcpy(&m_buffer[dst_y * m_width], &m_buffer[src_y * m_width], m_width * sizeof(Cell));
for (uint32_t x = 0; x < m_width; x++)
render_from_buffer(x, dst_y);
}
for (uint32_t y_off = 0; y_off < (uint32_t)m_ansi_state.nums[0] && m_row + y_off < m_height; y_off++)
for (uint32_t x = 0; x < m_width; x++)
putchar_at(' ', x, src_y);
putchar_at(' ', x, m_row + y_off);
return reset_ansi();
case 'M':
if (m_ansi_state.nums[0] == -1)
m_ansi_state.nums[0] = 1;
if (m_row + m_ansi_state.nums[0] >= m_height)
m_ansi_state.nums[0] = m_height - m_row - 1;
for (uint32_t row = m_row; row < m_height; row++)
{
const uint32_t dst_y = row;
const uint32_t src_y = dst_y + m_ansi_state.nums[0];
memcpy(&m_buffer[dst_y * m_width], &m_buffer[src_y * m_width], m_width * sizeof(Cell));
for (uint32_t x = 0; x < m_width; x++)
render_from_buffer(x, dst_y);
}
for (uint32_t y_off = 0; y_off < (uint32_t)m_ansi_state.nums[0]; y_off++)
for (uint32_t x = 0; x < m_width; x++)
putchar_at(' ', x, m_height - y_off - 1);
return reset_ansi();
case 'S': // Scroll Up
dprintln("Unsupported ANSI CSI character S");