add 'cursor' ui property

src/graphics/core/commons.cpp

@@ -0,0 +1,39 @@
+#include "commons.hpp"
+
+#include <map>
+
+std::optional<CursorShape> CursorShape_from(std::string_view name) {
+    static std::map<std::string_view, CursorShape> shapes = {
+        {"arrow", CursorShape::ARROW},
+        {"text", CursorShape::TEXT},
+        {"crosshair", CursorShape::CROSSHAIR},
+        {"pointer", CursorShape::POINTER},
+        {"ew-resize", CursorShape::EW_RESIZE},
+        {"ns-resize", CursorShape::NS_RESIZE},
+        {"nwse-resize", CursorShape::NWSE_RESIZE},
+        {"nesw-resize", CursorShape::NESW_RESIZE},
+        {"all-resize", CursorShape::ALL_RESIZE},
+        {"not-allowed", CursorShape::NOT_ALLOWED}
+    };
+    const auto& found = shapes.find(name);
+    if (found == shapes.end()) {
+        return std::nullopt;
+    }
+    return found->second;
+}
+
+std::string to_string(CursorShape shape) {
+    static std::string names[] = {
+        "arrow",
+        "text",
+        "crosshair",
+        "pointer",
+        "ew-resize",
+        "ns-resize",
+        "nwse-resize",
+        "nesw-resize",
+        "all-resize",
+        "not-allowed"
+    };
+    return names[static_cast<int>(shape)];
+}