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Kernel: Fix termios and enter key handling 

Enter key now produces expected \r which gets converted to \n by default
by the ICRNL input flag.

Also input flags are now handled always, not just when ICANON is set.
I don't know why I though ICANON should disable input handling
This commit is contained in:
Bananymous 2025-08-19 04:03:50 +03:00
parent 95b353dae5
commit 34bdcb12e5
4 changed files with 14 additions and 20 deletions
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2
kernel/kernel/Terminal/PseudoTerminal.cpp
View File

@ -165,7 +165,7 @@ namespace Kernel
PseudoTerminalSlave::PseudoTerminalSlave(BAN::String&& name, uint32_t number, mode_t mode, uid_t uid, gid_t gid)
: TTY({
.c_iflag = 0,
.c_iflag = ICRNL,
.c_oflag = 0,
.c_cflag = CS8,
.c_lflag = ECHO | ECHOE | ECHOK | ICANON | ISIG,

24
kernel/kernel/Terminal/TTY.cpp
View File

@ -243,19 +243,14 @@ namespace Kernel
LockGuard _(m_mutex);
if (m_termios.c_lflag & ICANON)
{
if ((m_termios.c_iflag & ISTRIP))
ch &= 0x7F;
if ((m_termios.c_iflag & IGNCR) && ch == CR)
return;
uint8_t conv = ch;
if ((m_termios.c_iflag & ICRNL) && ch == CR)
conv = NL;
if ((m_termios.c_iflag & INLCR) && ch == NL)
conv = CR;
ch = conv;
}
if ((m_termios.c_iflag & ISTRIP))
ch &= 0x7F;
if ((m_termios.c_iflag & IGNCR) && ch == CR)
return;
if ((m_termios.c_iflag & ICRNL) && ch == CR)
ch = NL;
else if ((m_termios.c_iflag & INLCR) && ch == NL)
ch = CR;
if (m_termios.c_lflag & ISIG)
{
@ -298,11 +293,10 @@ namespace Kernel
should_flush = true;
}
if (ch == NL || ch == m_termios.c_cc[VEOL])
if (ch == NL || ch == CR || ch == m_termios.c_cc[VEOL])
{
should_flush = true;
force_echo = !!(m_termios.c_lflag & ECHONL);
ch = NL;
}
}

2
kernel/kernel/Terminal/VirtualTTY.cpp
View File

@ -37,7 +37,7 @@ namespace Kernel
VirtualTTY::VirtualTTY(BAN::RefPtr<TerminalDriver> driver)
: TTY({
.c_iflag = 0,
.c_iflag = ICRNL,
.c_oflag = 0,
.c_cflag = CS8,
.c_lflag = ECHO | ECHOE | ECHOK | ICANON | ISIG,

6
userspace/libraries/LibInput/KeyEvent.cpp
View File

@ -58,7 +58,7 @@ namespace LibInput
"å", "ä", "ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\n", " ",
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\r", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b", "@", "£", "$", "€",
@ -77,7 +77,7 @@ namespace LibInput
"Å", "Ä", "Ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\n", " ",
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\r", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b", "@", "£", "$", "€",
@ -96,7 +96,7 @@ namespace LibInput
"Å", "Ä", "Ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\n", " ",
/*"Insert", "PrintScreen", "Delete", "Home", "End", "PageUp", "PageDown",*/ nullptr, nullptr, "\x7F", nullptr, nullptr, nullptr, nullptr, "\r", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b", "@", "£", "$", "€",