Merge pull request #4837 from Cprakhar/fix/format-plugged-gt-format-full

fix: prioritize `plugged` status over `full` when battery is full and plugged in

man/waybar-battery.5.scd

@@ -27,6 +27,11 @@ The *battery* module displays the current capacity and state (eg. charging) of y
 	default: false ++
 	Option to use the battery design capacity instead of its current maximal capacity.
 
+*full-at-plugged*: ++
+	typeof: bool ++
+	default: false ++
+	When enabled, a battery that is *Full* while the adapter is online is reported with the *Plugged* status instead of *Full* (so you can style/format it separately). Disabled by default to preserve the existing *Full* behaviour.
+
 *interval*: ++
 	typeof: integer ++
 	default: 60 ++

src/modules/battery.cpp

@@ -701,13 +701,20 @@ auto waybar::modules::Battery::update() -> void {
   if (status == "Unknown") {
     status = getAdapterStatus(capacity);
   }
+  auto state = getState(capacity, true);
+  bool adapter_online = false;
+  if (!adapter_.empty()) {
+    std::ifstream(adapter_ / "online") >> adapter_online;
+  }
+  if (config_["full-at-plugged"].asBool() && status == "Full" && adapter_online) {
+    status = "Plugged";
+  }
   auto status_pretty = status;
 
   // Transform to lowercase  and replace space with dash
   std::ranges::transform(status.begin(), status.end(), status.begin(),
                          [](char ch) { return ch == ' ' ? '-' : std::tolower(ch); });
   auto format = format_;
-  auto state = getState(capacity, true);
   processEvents(state, status, capacity);
   setBarClass(state);
   auto time_remaining_formatted = formatTimeRemaining(time_remaining);