fix(Label): reverse only battery states

include/ALabel.hpp

@@ -31,7 +31,7 @@ class ALabel : public IModule {
 
   virtual bool handleToggle(GdkEventButton *const &ev);
   virtual bool handleScroll(GdkEventScroll *);
-  virtual std::string getState(uint8_t value);
+  virtual std::string getState(uint8_t value, bool reverse = false);
 
  private:
   std::vector<int> pid_;

src/ALabel.cpp

@@ -129,7 +129,7 @@ std::string waybar::ALabel::getIcon(uint16_t percentage, const std::string& alt,
   return "";
 }
 
-std::string waybar::ALabel::getState(uint8_t value) {
+std::string waybar::ALabel::getState(uint8_t value, bool reverse) {
   if (!config_["states"].isObject()) {
     return "";
   }
@@ -143,7 +143,9 @@ std::string waybar::ALabel::getState(uint8_t value) {
     }
   }
   // Sort states
-  std::sort(states.begin(), states.end(), [](auto& a, auto& b) { return a.second < b.second; });
+  std::sort(states.begin(), states.end(), [&reverse](auto& a, auto& b) {
+    return reverse ? a.second < b.second : a.second > b.second;
+  });
   std::string valid_state;
   for (auto const& state : states) {
     if (value <= state.second && valid_state.empty()) {

src/modules/battery.cpp

@@ -119,7 +119,7 @@ auto waybar::modules::Battery::update() -> void {
   }
   std::transform(status.begin(), status.end(), status.begin(), ::tolower);
   auto format = format_;
-  auto state = getState(capacity);
+  auto state = getState(capacity, true);
   label_.get_style_context()->remove_class(old_status_);
   label_.get_style_context()->add_class(status);
   old_status_ = status;