Fix VR keyboards with altgr layout not including left ctrl in modifier flags when right alt key is down

Author: elvissteinjr

src/DesktopPlusUI/VRKeyboard.cpp

@@ -33,12 +33,12 @@ VRKeyboard::VRKeyboard() :
 unsigned char VRKeyboard::GetModifierFlags() const
 {
     unsigned char flags = 0;
-    if (m_KeyDown[VK_LSHIFT])   { flags |= kbd_keystate_flag_lshift_down;      }
-    if (m_KeyDown[VK_RSHIFT])   { flags |= kbd_keystate_flag_rshift_down;      }
-    if (m_KeyDown[VK_LCONTROL]) { flags |= kbd_keystate_flag_lctrl_down;       }
-    if (m_KeyDown[VK_RCONTROL]) { flags |= kbd_keystate_flag_rctrl_down;       }
-    if (m_KeyDown[VK_LMENU])    { flags |= kbd_keystate_flag_lalt_down;        }
-    if (m_KeyDown[VK_RMENU])    { flags |= kbd_keystate_flag_ralt_down;        }
+    if (m_KeyDown[VK_LSHIFT])   { flags |= kbd_keystate_flag_lshift_down; }
+    if (m_KeyDown[VK_RSHIFT])   { flags |= kbd_keystate_flag_rshift_down; }
+    if (m_KeyDown[VK_LCONTROL]) { flags |= kbd_keystate_flag_lctrl_down;  }
+    if (m_KeyDown[VK_RCONTROL]) { flags |= kbd_keystate_flag_rctrl_down;  }
+    if (m_KeyDown[VK_LMENU])    { flags |= kbd_keystate_flag_lalt_down;   }
+    if (m_KeyDown[VK_RMENU])    { flags |= (m_LayoutMetadata.HasAltGr) ? (kbd_keystate_flag_ralt_down | kbd_keystate_flag_lctrl_down) : kbd_keystate_flag_ralt_down; }
     if (m_CapsLockToggled)      { flags |= kbd_keystate_flag_capslock_toggled; }
 
     return flags;