LibCore: Add new REGISTER_STRING_PROPERTY macro

Userland/Libraries/LibCore/Object.h

@@ -295,6 +295,16 @@ requires IsBaseOf<Object, T>
             return true;                                      \
         });
 
+// FIXME: Port JsonValue to the new String class.
+#define REGISTER_STRING_PROPERTY(property_name, getter, setter)                                                                           \
+    register_property(                                                                                                                    \
+        property_name,                                                                                                                    \
+        [this]() { return this->getter().to_deprecated_string(); },                                                                       \
+        [this](auto& value) {                                                                                                             \
+            this->setter(String::from_deprecated_string(value.to_deprecated_string()).release_value_but_fixme_should_propagate_errors()); \
+            return true;                                                                                                                  \
+        });
+
 #define REGISTER_DEPRECATED_STRING_PROPERTY(property_name, getter, setter) \
     register_property(                                                     \
         property_name,                                                     \

Userland/Libraries/LibGUI/AbstractButton.cpp

@@ -28,14 +28,7 @@ AbstractButton::AbstractButton(String text)
         click();
     };
 
-    // FIXME: Port JsonValue to the new String class.
-    register_property(
-        "text",
-        [this]() { return this->text().to_deprecated_string(); },
-        [this](auto& value) {
-            this->set_text(String::from_deprecated_string(value.to_deprecated_string()).release_value_but_fixme_should_propagate_errors());
-            return true;
-        });
+    REGISTER_STRING_PROPERTY("text", text, set_text);
     REGISTER_BOOL_PROPERTY("checked", is_checked, set_checked);
     REGISTER_BOOL_PROPERTY("checkable", is_checkable, set_checkable);
     REGISTER_BOOL_PROPERTY("exclusive", is_exclusive, set_exclusive);