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Kernel: Add ANSI support for hiding/showing cursor to TTY

This commit is contained in:
Bananymous 2023-09-04 14:30:09 +03:00
parent 7184514b5d
commit 04cfbca336
2 changed files with 23 additions and 1 deletions
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2
kernel/include/kernel/Terminal/TTY.h
View File

@ -63,6 +63,7 @@ namespace Kernel
{
int32_t nums[2] { -1, -1 };
int32_t index { 0 };
bool question { false };
};
struct UTF8State
@ -94,6 +95,7 @@ namespace Kernel
uint32_t m_row { 0 };
uint32_t m_column { 0 };
Cell* m_buffer { nullptr };
bool m_show_cursor { true };
TerminalDriver::Color m_foreground { TerminalColor::BRIGHT_WHITE };
TerminalDriver::Color m_background { TerminalColor::BLACK };

22
kernel/kernel/Terminal/TTY.cpp
View File

@ -308,7 +308,8 @@ flush:
static uint32_t last_y = -1;
if (last_x != uint32_t(-1) && last_y != uint32_t(-1))
render_from_buffer(last_x, last_y);
m_terminal_driver->set_cursor_position(x, y);
if (m_show_cursor)
m_terminal_driver->set_cursor_position(x, y);
last_x = m_column = x;
last_y = m_row = y;
}
@ -348,6 +349,7 @@ flush:
m_ansi_state.index = 0;
m_ansi_state.nums[0] = -1;
m_ansi_state.nums[1] = -1;
m_ansi_state.question = false;
m_state = State::Normal;
}
@ -501,6 +503,24 @@ flush:
m_row = m_saved_row;
m_column = m_saved_column;
return reset_ansi();
case '?':
if (m_ansi_state.index != 0 || m_ansi_state.nums[0] != -1)
{
dprintln("invalid ANSI CSI ?");
return reset_ansi();
}
m_ansi_state.question = true;
return;
case 'h':
case 'l':
if (!m_ansi_state.question || m_ansi_state.nums[0] != 25)
{
dprintln("invalid ANSI CSI ?{}{}", m_ansi_state.nums[0], (char)ch);
return reset_ansi();
}
m_show_cursor = (ch == 'h');
return reset_ansi();
default:
dprintln("Unsupported ANSI CSI character {}", ch);
return reset_ansi();