Add support for shifted keys in key definitions

KeyboardioFirmware.ino

@@ -479,6 +479,9 @@ void send_key_event(byte row, byte col)
 }
 
 void press_key(Key mappedKey) {
+  if (mappedKey.flags & SHIFT_HELD) {
+     Keyboard.press(Key_LShift.rawKey); 
+  }
   Keyboard.press(mappedKey.rawKey);
   if (commandBufferSize >= 31) {
     commandBufferSize = 0;
@@ -495,6 +498,10 @@ void press_key(Key mappedKey) {
 }
 
 void release_key(Key mappedKey) {
+    if (mappedKey.flags & SHIFT_HELD) {
+     Keyboard.release(Key_LShift.rawKey); 
+  }
+
   Keyboard.release(mappedKey.rawKey);
 }
 

key_defs.h

@@ -306,6 +306,11 @@ typedef struct {
 #define KEY_SLASH '/'
 #define Key_Slash (Key){ KEY_FLAGS, KEY_SLASH }
 
+
+#define Key_LEFT_PAREN (Key) { KEY_FLAGS|SHIFT_HELD, KEY_9 }
+#define Key_RIGHT_PAREN (Key){ KEY_FLAGS|SHIFT_HELD, KEY_0 }
+
+
 #define KEY_KEYPAD_CLEAR 0xDB
 #define Key_KeypadClear (Key){ KEY_FLAGS, KEY_KEYPAD_CLEAR }
 #define KEY_KEYPAD_SLASH 0xDC