translate keyboard scancode

kernel/src/userinput/keyboard.cpp

@@ -0,0 +1,36 @@
+#include "keyboard.h"
+
+bool isLeftShiftPressed = false;
+bool isRightShiftPressed = false;
+
+void HandleKeyboard(uint8_t scancode) {
+	switch (scancode) {
+		case LeftShift:
+			isLeftShiftPressed = true;
+			return;
+		case LeftShift + 0x80:
+			isLeftShiftPressed = false;
+			return;
+		case RightShift:
+			isRightShiftPressed = true;
+			return;
+		case RightShift + 0x80:
+			isRightShiftPressed = false;
+			return;
+		case Enter:
+			GlobalRenderer->Next();
+			return;
+		case Spacebar:
+			GlobalRenderer->PutChar(' ');
+			return;
+		case Backspace:
+			GlobalRenderer->ClearChar();
+			break;
+	}
+
+	char ascii = QWERTYKeyboard::Translate(scancode, isLeftShiftPressed || isRightShiftPressed);
+
+	if (ascii != 0) {
+		GlobalRenderer->PutChar(ascii);
+	}
+}