...

1 files changed, 31 insertions, 0 deletions

diff --git a/src/ui/content_control.hpp b/src/ui/content_control.hpp
new file mode 100644
index 00000000..88e7f60f
--- /dev/null
+++ b/src/ui/content_control.hpp
@@ -0,0 +1,31 @@
+#pragma once
+#include "pre.hpp"
+
+#include "control.hpp"
+
+namespace cru::ui {
+class ContentControl : public Control {
+ protected:
+  ContentControl();
+
+ public:
+  ContentControl(const ContentControl& other) = delete;
+  ContentControl(ContentControl&& other) = delete;
+  ContentControl& operator=(const ContentControl& other) = delete;
+  ContentControl& operator=(ContentControl&& other) = delete;
+  ~ContentControl() override;
+
+  const std::vector<Control*>& GetChildren() const override final {
+    return child_vector_;
+  }
+  Control* GetChild() const { return child_; }
+  void SetChild(Control* child);
+
+ protected:
+  virtual void OnChildChanged(Control* old_child, Control* new_child);
+
+ private:
+  std::vector<Control*> child_vector_;
+  Control*& child_;
+};
+}  // namespace cru::ui