Merge pull request #4937 from sjudin/group-add-start-expanded

Add start-expanded option to group

man/waybar.5.scd.in

@@ -363,6 +363,11 @@ A group may hide all but one element, showing them only on mouse hover. In order
 	default: false ++
 	Whether left click should reveal the content rather than mouse over. Note that grouped modules may still process their own on-click events.
 
+*start-expanded*: ++
+	typeof: bool ++
+	default: false ++
+	Defines whether the drawer should initialize in an expanded state.
+
 *transition-left-to-right*: ++
 	typeof: bool ++
 	default: true ++

src/group.cpp

@@ -64,11 +64,19 @@ Group::Group(const std::string& name, const std::string& id, const Json::Value&
                                     : true);
     click_to_reveal = drawer_config["click-to-reveal"].asBool();
 
+    const bool start_expanded =
+        (drawer_config["start-expanded"].isBool() ? drawer_config["start-expanded"].asBool()
+                                                  : false);
+
     auto transition_type = getPreferredTransitionType(vertical);
 
     revealer.set_transition_type(transition_type);
     revealer.set_transition_duration(transition_duration);
-    revealer.set_reveal_child(false);
+    revealer.set_reveal_child(start_expanded);
+
+    if (start_expanded) {
+      box.set_state_flags(Gtk::StateFlags::STATE_FLAG_PRELIGHT);
+    }
 
     revealer.get_style_context()->add_class("drawer");