add workspace indicators

include/widgets/workspaceIndicator.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <gtkmm/box.h>
+#include <gtkmm/label.h>
+#include <sigc++/connection.h>
+
+#include "services/hyprland.hpp"
+
+class WorkspaceIndicator : public Gtk::Box
+{
+  public:
+    WorkspaceIndicator(HyprlandService &service, int monitorId);
+    ~WorkspaceIndicator() override;
+
+  private:
+    HyprlandService &m_service;
+    int m_monitorId;
+    sigc::connection m_workspaceConnection;
+    sigc::connection m_monitorConnection;
+
+    void rebuild();
+    void on_workspace_update(int monitorId);
+    void on_monitor_update();
+    void clear_children();
+};