Add card view to search page.

cv_gtk3/signal_handlers/handlers.py

@@ -1,10 +1,14 @@
-class Handlers:
-    """
-    Class containing all signal handlers for the GTK GUI
-    """
+from cv_gtk3.signal_handlers.menu_bar import MenuBarHandlers
+from cv_gtk3.signal_handlers.search import SearchPageHandlers
+
+
+class Handlers(MenuBarHandlers, SearchPageHandlers):
+    """ Class containing all signal handlers for the GTK GUI """
     def __init__(self, app):
-        """
-        Initialize handler class
+        """ Initialize handler class
         :param app: reference to an CardvaultGTK object
         """
         self.app = app
+        # Call constructors of superclasses
+        MenuBarHandlers.__init__(self, self.app)
+        SearchPageHandlers.__init__(self, self.app)