3 files changed, 23 insertions, 4 deletions

diff --git a/app/include/turns/app/windows/main.hpp b/app/include/turns/app/windows/main.hpp
index 9d2e1c3..a39d156 100644
--- a/app/include/turns/app/windows/main.hpp
+++ b/app/include/turns/app/windows/main.hpp
@@ -5,6 +5,7 @@
 #include <glibmm/refptr.h>
 #include <gtkmm/applicationwindow.h>
 #include <gtkmm/builder.h>
+#include <gtkmm/button.h>
 
 namespace turns::app::windows
 {
@@ -14,10 +15,11 @@ namespace turns::app::windows
     main(BaseObjectType * base, Glib::RefPtr<Gtk::Builder> const builder);
 
   private:
+    Gtk::Button * m_add_participant;
     AdwApplicationWindow * m_adw;
     AdwWindowTitle * m_title;
   };
 
-}  // namespace turns::app
+}  // namespace turns::app::windows
 
 #endif
\ No newline at end of file
diff --git a/app/src/windows/main.cpp b/app/src/windows/main.cpp
index 0000f60..d8118c6 100644
--- a/app/src/windows/main.cpp
+++ b/app/src/windows/main.cpp
@@ -1,17 +1,23 @@
 #include "turns/app/windows/main.hpp"
 
+#include "turns/lang/messages.hpp"
+
 #include <adwaita.h>
 #include <glibmm/i18n.h>
 
 namespace turns::app::windows
 {
 
+  using namespace turns::lang;
+
   main::main(BaseObjectType * base, Glib::RefPtr<Gtk::Builder> const builder)
       : Gtk::ApplicationWindow{base}
+      , m_add_participant{builder->get_widget<Gtk::Button>("add_participant")}
       , m_adw{ADW_APPLICATION_WINDOW(gobj())}
       , m_title(ADW_WINDOW_TITLE(builder->get_widget<Gtk::Widget>("title")->gobj()))
   {
-    adw_window_title_set_subtitle(m_title, _("No active turn-order"));
+    m_add_participant->set_tooltip_text(_(tooltips::add_a_participant));
+    adw_window_title_set_subtitle(m_title, _(labels::no_active_turn_order));
   }
 
 }  // namespace turns::app::windows
\ No newline at end of file
diff --git a/app/tests/windows/main.cpp b/app/tests/windows/main.cpp
index 53c9386..fca04fd 100644
--- a/app/tests/windows/main.cpp
+++ b/app/tests/windows/main.cpp
@@ -1,5 +1,7 @@
 #include "turns/app/windows/main.hpp"
 
+#include "turns/lang/messages.hpp"
+
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/generators/catch_generators.hpp>
 
@@ -9,11 +11,14 @@
 #include <glibmm/i18n.h>
 #include <glibmm/ustring.h>
 #include <gtkmm/builder.h>
+#include <gtkmm/button.h>
 #include <gtkmm/widget.h>
 
 namespace turns::app::windows::tests
 {
 
+  using namespace turns::lang;
+
   TEST_CASE("Newly constructed main window", "[windows]")
   {
     auto locale = GENERATE("en_US.UTF-8", "de_CH.UTF-8");
@@ -38,7 +43,7 @@ namespace turns::app::windows::tests
     {
       auto widget = builder->get_widget<Gtk::Widget>("title");
       auto adw = ADW_WINDOW_TITLE(widget->gobj());
-      REQUIRE(adw_window_title_get_subtitle(adw) == Glib::ustring{_("No active turn-order")});
+      REQUIRE(adw_window_title_get_subtitle(adw) == Glib::ustring{_(labels::no_active_turn_order)});
     }
 
     SECTION("the window title is not empty")
@@ -52,7 +57,13 @@ namespace turns::app::windows::tests
     {
       auto widget = builder->get_widget<Gtk::Widget>("title");
       auto adw = ADW_WINDOW_TITLE(widget->gobj());
-      REQUIRE(adw_window_title_get_title(adw) == Glib::ustring{_("Turns")});
+      REQUIRE(adw_window_title_get_title(adw) == Glib::ustring{_(labels::turns)});
+    }
+
+    SECTION("the add_participant button has the correct tooltip")
+    {
+      auto widget = builder->get_widget<Gtk::Button>("add_participant");
+      REQUIRE(widget->get_tooltip_text() == Glib::ustring{_(tooltips::add_a_participant)});
     }
   }