split property & values into separate classes and files

Signed-off-by: Folling <mail@folling.io>

include/ikarus/objects/properties/settings/text_property_settings.h

@@ -0,0 +1,31 @@
+#pragma once
+
+/// \file text_property_settings.h
+/// \author Folling <folling@ikarus.world>
+
+#include <ikarus/macros.h>
+
+/// \addtogroup property_settings PropertySettings
+/// \brief Text property settings add additional constraints to text properties.
+/// \details The following settings are available:
+///
+/// @{
+
+IKARUS_BEGIN_HEADER
+
+struct IkarusTextPropertySettings;
+
+/// \brief Sets the default value for a text property.
+/// \param settings The text property settings.
+/// \pre \li Must not be null.
+/// \param default_value The default value.
+/// \pre \li Must not be null.
+/// \pre \li Must be a valid value for the property.
+/// \remark The settings take ownership of the value, the caller must not free it.
+IKA_API void ikarus_text_property_settings_set_default_value(
+    struct IkarusTextPropertySettings * settings, struct IkarusTextValue * default_value
+);
+
+IKARUS_END_HEADER
+
+/// @}