1 files changed, 27 insertions, 0 deletions
diff --git a/include/cru/ui/events/MouseEventArgs.h b/include/cru/ui/events/MouseEventArgs.h
new file mode 100644
index 00000000..11ce6463
--- /dev/null
+++ b/include/cru/ui/events/MouseEventArgs.h
@@ -0,0 +1,27 @@
+#pragma once
+#include "UiEventArgs.h"
+
+#include <optional>
+
+namespace cru::ui::events {
+class CRU_UI_API MouseEventArgs : public UiEventArgs {
+ public:
+  MouseEventArgs(Object* sender, Object* original_sender,
+                 const std::optional<Point>& point = std::nullopt)
+      : UiEventArgs(sender, original_sender), point_(point) {}
+  MouseEventArgs(const MouseEventArgs& other) = default;
+  MouseEventArgs(MouseEventArgs&& other) = default;
+  MouseEventArgs& operator=(const MouseEventArgs& other) = default;
+  MouseEventArgs& operator=(MouseEventArgs&& other) = default;
+  ~MouseEventArgs() override = default;
+
+  // This point is relative to window client lefttop.
+  Point GetPoint() const { return point_.value_or(Point{}); }
+  Point GetPoint(render::RenderObject* render_target) const;
+  Point GetPointToContent(render::RenderObject* render_target) const;
+  Point GetPointOfScreen() const;
+
+ private:
+  std::optional<Point> point_;
+};
+}  // namespace cru::ui::events