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LibVT: Move most of key press handling logic into VT::Terminal

This will let us share it between the userspace (TerminalWidget) and the Kernel.
This commit is contained in:
Sergey Bugaev 2020-05-27 00:31:30 +03:00 committed by Andreas Kling
parent fce49b3e32
commit 620697d924
3 changed files with 88 additions and 74 deletions

View file

@ -25,6 +25,7 @@
*/
#include <AK/StringBuilder.h>
#include <AK/StringView.h>
#include <LibVT/Terminal.h>
#include <string.h>
@ -1004,6 +1005,69 @@ void Terminal::emit_string(const StringView& string)
m_client.emit((const u8*)string.characters_without_null_termination(), string.length());
}
void Terminal::handle_key_press(KeyCode key, u8 character, u8 flags)
{
bool ctrl = flags & Mod_Ctrl;
bool alt = flags & Mod_Alt;
bool shift = flags & Mod_Shift;
switch (key) {
case KeyCode::Key_Up:
emit_string(ctrl ? "\033[OA" : "\033[A");
return;
case KeyCode::Key_Down:
emit_string(ctrl ? "\033[OB" : "\033[B");
return;
case KeyCode::Key_Right:
emit_string(ctrl ? "\033[OC" : "\033[C");
return;
case KeyCode::Key_Left:
emit_string(ctrl ? "\033[OD" : "\033[D");
return;
case KeyCode::Key_Insert:
emit_string("\033[2~");
return;
case KeyCode::Key_Delete:
emit_string("\033[3~");
return;
case KeyCode::Key_Home:
emit_string("\033[H");
return;
case KeyCode::Key_End:
emit_string("\033[F");
return;
case KeyCode::Key_PageUp:
emit_string("\033[5~");
return;
case KeyCode::Key_PageDown:
emit_string("\033[6~");
return;
default:
break;
}
if (shift && key == KeyCode::Key_Tab) {
emit_string("\033[Z");
return;
}
// Key event was not one of the above special cases,
// attempt to treat it as a character...
if (ctrl) {
if (character >= 'a' && character <= 'z') {
character = character - 'a' + 1;
} else if (character == '\\') {
character = 0x1c;
}
}
// Alt modifier sends escape prefix.
if (alt)
emit_string("\033");
emit_string({ &character, 1 });
}
void Terminal::unimplemented_escape()
{
StringBuilder builder;