Prevent key state vaIidation from resetting virtual key state on Windows

src/runtime/Key.h

@@ -500,6 +500,12 @@ constexpr bool is_keyboard_key(Key key) {
  !is_mouse_wheel(key));
 }
 
+constexpr bool is_device_key(Key key) {
+ return (is_keyboard_key(key) ||
+ is_mouse_button(key) ||
+ is_mouse_wheel(key));
+}
+
 constexpr bool is_action_key(Key key) {
  return (key >= Key::first_action && key <= Key::last_action);
 }

src/runtime/Stage.cpp

@@ -154,7 +154,7 @@ bool Stage::is_clear() const {
 std::vector<Key> Stage::get_output_keys_down() const {
  auto keys = std::vector<Key>{ };
  for (const auto& output : m_output_down)
- if (is_keyboard_key(output.key) || is_mouse_button(output.key))
+ if (is_device_key(output.key))
  keys.push_back(output.key);
  return keys;
 }
@@ -329,13 +329,17 @@ void Stage::validate_state(const std::function<bool(Key)>& is_down) {
 
  m_sequence.erase(
  std::remove_if(begin(m_sequence), end(m_sequence),
- [&](const KeyEvent& event) { return !is_down(event.key); }),
+ [&](const KeyEvent& event) { 
+ return is_device_key(event.key) && 
+ !is_down(event.key); 
+ }),
  end(m_sequence));
 
  m_output_down.erase(
  std::remove_if(begin(m_output_down), end(m_output_down),
  [&](const OutputDown& output) {
- return !is_down(get_trigger_key(output.trigger));
+ return is_device_key(output.key) &&
+ !is_down(get_trigger_key(output.trigger));
  }),
  end(m_output_down));
 }
@@ -426,9 +430,7 @@ bool Stage::is_physically_pressed(Key key) const {
 void Stage::apply_input(const KeyEvent event, int device_index) {
  assert(event.state == KeyState::Down ||
  event.state == KeyState::Up);
- assert(is_keyboard_key(event.key) ||
- is_mouse_button(event.key) ||
- is_mouse_wheel(event.key) ||
+ assert(is_device_key(event.key) ||
  is_virtual_key(event.key) ||
  event.key == Key::timeout);