1 files changed, 31 insertions, 0 deletions
diff --git a/include/cru/platform/native_window.hpp b/include/cru/platform/native_window.hpp
new file mode 100644
index 00000000..1ed9a25e
--- /dev/null
+++ b/include/cru/platform/native_window.hpp
@@ -0,0 +1,31 @@
+#pragma once
+#include "cru/common/base.hpp"
+#include "cru/common/ui_base.hpp"
+
+namespace cru::platform {
+struct Painter;
+
+struct NativeWindow : public virtual Interface {
+  virtual bool IsValid() = 0;
+
+  virtual void Close() = 0;
+
+  virtual NativeWindow* GetParent() = 0;
+
+  virtual bool IsVisible() const = 0;
+  virtual void SetVisible(bool is_visible) = 0;
+
+  virtual ui::Size GetClientSize() = 0;
+  virtual void SetClientSize(const ui::Size& size) = 0;
+
+  // Get the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  virtual ui::Rect GetWindowRect() = 0;
+
+  // Set the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  virtual void SetWindowRect(const ui::Rect& rect) = 0;
+
+  virtual Painter* GetPainter() = 0;
+};
+}  // namespace cru::platform