From 05effad18bf12fb0de92369003703a263872b39e Mon Sep 17 00:00:00 2001
From: Erik Reider <35975961+ErikReider@users.noreply.github.com>
Date: Sat, 19 Mar 2022 19:22:00 +0100
Subject: [PATCH] Added CSS status classes

---
 include/modules/upower/upower.hpp |  3 +++
 man/waybar-upower.5.scd           |  7 +++++++
 src/modules/upower/upower.cpp     | 27 +++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/include/modules/upower/upower.hpp b/include/modules/upower/upower.hpp
index c73a0728..7907027b 100644
--- a/include/modules/upower/upower.hpp
+++ b/include/modules/upower/upower.hpp
@@ -37,6 +37,8 @@ class UPower : public AModule {
   void        removeDevices();
   bool        show_tooltip_callback(int, int, bool, const Glib::RefPtr<Gtk::Tooltip> &tooltip);
 
+  const std::string getDeviceStatus(UpDeviceState &state);
+
   Gtk::Box   box_;
   Gtk::Image icon_;
   Gtk::Label label_;
@@ -54,6 +56,7 @@ class UPower : public AModule {
   guint            login1_id;
   GDBusConnection *login1_connection;
   UPowerTooltip   *upower_tooltip;
+  std::string      lastStatus;
 };
 
 }  // namespace waybar::modules::upower
diff --git a/man/waybar-upower.5.scd b/man/waybar-upower.5.scd
index b16bca14..94ba8660 100644
--- a/man/waybar-upower.5.scd
+++ b/man/waybar-upower.5.scd
@@ -43,3 +43,10 @@ compatible devices in the tooltip.
 }
 
 ```
+
+# STYLE
+
+- *#upower*
+- *#upower.charging*
+- *#upower.discharging*
+- *#upower.unknown-status*
diff --git a/src/modules/upower/upower.cpp b/src/modules/upower/upower.cpp
index aef874b9..0cbe0107 100644
--- a/src/modules/upower/upower.cpp
+++ b/src/modules/upower/upower.cpp
@@ -198,6 +198,21 @@ bool UPower::show_tooltip_callback(int, int, bool, const Glib::RefPtr<Gtk::Toolt
   return true;
 }
 
+const std::string UPower::getDeviceStatus(UpDeviceState& state) {
+  switch (state) {
+    case UP_DEVICE_STATE_CHARGING:
+    case UP_DEVICE_STATE_PENDING_CHARGE:
+      return "charging";
+    case UP_DEVICE_STATE_EMPTY:
+    case UP_DEVICE_STATE_FULLY_CHARGED:
+    case UP_DEVICE_STATE_DISCHARGING:
+    case UP_DEVICE_STATE_PENDING_DISCHARGE:
+      return "discharging";
+    default:
+      return "unknown-status";
+  }
+}
+
 auto UPower::update() -> void {
   std::lock_guard<std::mutex> guard(m_Mutex);
 
@@ -230,6 +245,18 @@ auto UPower::update() -> void {
 
   uint tooltipCount = 0;
 
+  // CSS status class
+  const std::string status = getDeviceStatus(state);
+  // Remove last status if it exists
+  if (!lastStatus.empty() && box_.get_style_context()->has_class(lastStatus)) {
+    box_.get_style_context()->remove_class(lastStatus);
+  }
+  // Add the new status class to the Box
+  if (!box_.get_style_context()->has_class(status)) {
+    box_.get_style_context()->add_class(status);
+  }
+  lastStatus = status;
+
   if (devices.size() == 0 && !displayDeviceValid && hideIfEmpty) {
     event_box_.set_visible(false);
     goto update;