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Kernel/Shell: Fix backspace and delete key byte sequences

This commit is contained in:
Bananymous 2024-10-04 04:14:47 +03:00
parent f5802ca3e5
commit b6e040dfc2
4 changed files with 46 additions and 96 deletions
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2
kernel/kernel/Terminal/Serial.cpp
View File

@ -237,8 +237,6 @@ namespace Kernel
*ptr = m_input.front(); *ptr = m_input.front();
if (*ptr == '\r') if (*ptr == '\r')
*ptr = '\n'; *ptr = '\n';
if (*ptr == 127)
*ptr++ = '\b', *ptr++ = ' ', *ptr = '\b';
m_input.pop(); m_input.pop();
ptr++; ptr++;
} }

73
kernel/kernel/Terminal/TTY.cpp
View File

@ -185,79 +185,10 @@ namespace Kernel
if (event.released()) if (event.released())
return; return;
const char* ansi_c_str = LibInput::key_to_utf8(event.key, event.modifier); const char* ansi_c_str = LibInput::key_to_utf8_ansi(event.key, event.modifier);
if (event.ctrl())
{
ansi_c_str = nullptr;
switch (event.key)
{
case LibInput::Key::A: ansi_c_str = "\x01"; break;
case LibInput::Key::B: ansi_c_str = "\x02"; break;
case LibInput::Key::C: ansi_c_str = "\x03"; break;
case LibInput::Key::D: ansi_c_str = "\x04"; break;
case LibInput::Key::E: ansi_c_str = "\x05"; break;
case LibInput::Key::F: ansi_c_str = "\x06"; break;
case LibInput::Key::G: ansi_c_str = "\x07"; break;
case LibInput::Key::H: ansi_c_str = "\x08"; break;
case LibInput::Key::I: ansi_c_str = "\x09"; break;
case LibInput::Key::J: ansi_c_str = "\x0A"; break;
case LibInput::Key::K: ansi_c_str = "\x0B"; break;
case LibInput::Key::L: ansi_c_str = "\x0C"; break;
case LibInput::Key::M: ansi_c_str = "\x0D"; break;
case LibInput::Key::N: ansi_c_str = "\x0E"; break;
case LibInput::Key::O: ansi_c_str = "\x0F"; break;
case LibInput::Key::P: ansi_c_str = "\x10"; break;
case LibInput::Key::Q: ansi_c_str = "\x11"; break;
case LibInput::Key::R: ansi_c_str = "\x12"; break;
case LibInput::Key::S: ansi_c_str = "\x13"; break;
case LibInput::Key::T: ansi_c_str = "\x14"; break;
case LibInput::Key::U: ansi_c_str = "\x15"; break;
case LibInput::Key::V: ansi_c_str = "\x16"; break;
case LibInput::Key::W: ansi_c_str = "\x17"; break;
case LibInput::Key::X: ansi_c_str = "\x18"; break;
case LibInput::Key::Y: ansi_c_str = "\x19"; break;
case LibInput::Key::Z: ansi_c_str = "\x1A"; break;
default: break;
}
}
else
{
switch (event.key)
{
case LibInput::Key::Enter:
case LibInput::Key::NumpadEnter:
ansi_c_str = "\n";
break;
case LibInput::Key::Backspace:
ansi_c_str = "\b";
break;
case LibInput::Key::Escape:
ansi_c_str = "\e";
break;
case LibInput::Key::Delete:
ansi_c_str = "\x7F";
break;
case LibInput::Key::ArrowUp:
ansi_c_str = "\e[A";
break;
case LibInput::Key::ArrowDown:
ansi_c_str = "\e[B";
break;
case LibInput::Key::ArrowRight:
ansi_c_str = "\e[C";
break;
case LibInput::Key::ArrowLeft:
ansi_c_str = "\e[D";
break;
default:
break;
}
}
if (ansi_c_str) if (ansi_c_str)
{ {
auto* ptr = (const uint8_t*)ansi_c_str; auto* ptr = reinterpret_cast<const uint8_t*>(ansi_c_str);
while (*ptr) while (*ptr)
handle_input_byte(*ptr++); handle_input_byte(*ptr++);
} }

12
userspace/libraries/LibInput/KeyEvent.cpp
View File

@ -58,10 +58,10 @@ namespace LibInput
"å", "ä", "ö", "å", "ä", "ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, 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, "\e[3~", nullptr, nullptr, nullptr, nullptr, "\n", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½", "!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}", "(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b \b", "@", "£", "$", "€", "=", "?", "+", "\\", "´", "`", "¨", "¸", "\x7F", "@", "£", "$", "€",
"\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, "\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
"'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C", "'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C",
",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦", ",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦",
@ -77,10 +77,10 @@ namespace LibInput
"Å", "Ä", "Ö", "Å", "Ä", "Ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, 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, "\e[3~", nullptr, nullptr, nullptr, nullptr, "\n", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½", "!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}", "(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b \b", "@", "£", "$", "€", "=", "?", "+", "\\", "´", "`", "¨", "¸", "\x7F", "@", "£", "$", "€",
"\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, "\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
"'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C", "'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C",
",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦", ",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦",
@ -96,10 +96,10 @@ namespace LibInput
"Å", "Ä", "Ö", "Å", "Ä", "Ö",
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, 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, "\e[3~", nullptr, nullptr, nullptr, nullptr, "\n", " ",
"!", "\"", "#", "¤", "%", "&", "/", "§", "½", "!", "\"", "#", "¤", "%", "&", "/", "§", "½",
"(", ")", "[", "]", "{", "}", "(", ")", "[", "]", "{", "}",
"=", "?", "+", "\\", "´", "`", "¨", "¸", "\b \b", "@", "£", "$", "€", "=", "?", "+", "\\", "´", "`", "¨", "¸", "\x7F", "@", "£", "$", "€",
"\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, "\e", "\t", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
"'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C", "'", "*", "^", "~", "\e[A", "\e[B", "\e[D", "\e[C",
",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦", ",", ";", ".", ":", "-", "_", nullptr, nullptr, "<", ">", "|", "¬", "¦",

55
userspace/programs/Shell/main.cpp
View File

@ -894,18 +894,41 @@ int main(int argc, char** argv)
switch (ch) switch (ch)
{ {
case '\e': case '\e':
{
ch = getchar(); ch = getchar();
if (ch != '[') if (ch != '[')
break; break;
ch = getchar(); ch = getchar();
int value = 0;
while (isdigit(ch))
{
value = (value * 10) + (ch - '0');
ch = getchar();
}
switch (ch) switch (ch)
{ {
case 'A': if (index > 0) { index--; col = buffers[index].size(); printf("\e[%dG%s\e[K", prompt_length() + 1, buffers[index].data()); fflush(stdout); } break; case 'A': if (index > 0) { index--; col = buffers[index].size(); printf("\e[%dG%s\e[K", prompt_length() + 1, buffers[index].data()); fflush(stdout); } break;
case 'B': if (index < buffers.size() - 1) { index++; col = buffers[index].size(); printf("\e[%dG%s\e[K", prompt_length() + 1, buffers[index].data()); fflush(stdout); } break; case 'B': if (index < buffers.size() - 1) { index++; col = buffers[index].size(); printf("\e[%dG%s\e[K", prompt_length() + 1, buffers[index].data()); fflush(stdout); } break;
case 'C': if (col < buffers[index].size()) { col++; while ((buffers[index][col - 1] & 0xC0) == 0x80) col++; printf("\e[C"); fflush(stdout); } break; case 'C': if (col < buffers[index].size()) { col++; while ((buffers[index][col - 1] & 0xC0) == 0x80) col++; printf("\e[C"); fflush(stdout); } break;
case 'D': if (col > 0) { while ((buffers[index][col - 1] & 0xC0) == 0x80) col--; col--; printf("\e[D"); fflush(stdout); } break; case 'D': if (col > 0) { while ((buffers[index][col - 1] & 0xC0) == 0x80) col--; col--; printf("\e[D"); fflush(stdout); } break;
case '~':
switch (value)
{
case 3: // delete
if (col >= buffers[index].size())
break;
buffers[index].remove(col);
while (col < buffers[index].size() && (buffers[index][col] & 0xC0) == 0x80)
buffers[index].remove(col);
printf("\e[s%s \e[u", buffers[index].data() + col);
fflush(stdout);
break;
}
} }
break; break;
}
case '\x0C': // ^L case '\x0C': // ^L
{ {
int x = prompt_length() + character_length(buffers[index].sv().substring(col)) + 1; int x = prompt_length() + character_length(buffers[index].sv().substring(col)) + 1;
@ -916,14 +939,13 @@ int main(int argc, char** argv)
break; break;
} }
case '\b': case '\b':
if (col > 0) if (col <= 0)
{ break;
while ((buffers[index][col - 1] & 0xC0) == 0x80) while ((buffers[index][col - 1] & 0xC0) == 0x80)
buffers[index].remove(--col); col--;
buffers[index].remove(--col); col--;
printf("\b\e[s%s \e[u", buffers[index].data() + col); printf("\e[D");
fflush(stdout); fflush(stdout);
}
break; break;
case '\x01': // ^A case '\x01': // ^A
col = 0; col = 0;
@ -940,15 +962,14 @@ int main(int argc, char** argv)
putchar('\n'); putchar('\n');
clean_exit(0); clean_exit(0);
break; break;
case '\x7F': // delete case '\x7F': // backspace
if (col < buffers[index].size()) if (col <= 0)
{ break;
buffers[index].remove(col); while ((buffers[index][col - 1] & 0xC0) == 0x80)
while (col < buffers[index].size() && (buffers[index][col] & 0xC0) == 0x80) buffers[index].remove(--col);
buffers[index].remove(col); buffers[index].remove(--col);
printf("\e[s%s \e[u", buffers[index].data() + col); printf("\b\e[s%s \e[u", buffers[index].data() + col);
fflush(stdout); fflush(stdout);
}
break; break;
case '\n': case '\n':
putchar('\n'); putchar('\n');