From 014aaf773fd95a7f0dd1a766023a21fb6b54a1a1 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 9 Nov 2020 20:28:39 +0800
Subject: ...

---
 include/cru/ui/controls/RootControl.hpp | 7 +++++++
 src/ui/controls/RootControl.cpp         | 9 +++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/cru/ui/controls/RootControl.hpp b/include/cru/ui/controls/RootControl.hpp
index ff1b545a..d41f02d8 100644
--- a/include/cru/ui/controls/RootControl.hpp
+++ b/include/cru/ui/controls/RootControl.hpp
@@ -18,10 +18,17 @@ class RootControl : public LayoutControl {
  public:
   render::RenderObject* GetRenderObject() const override;
 
+  void EnsureWindowCreated();
+
   // If create is false and native window is not create, it will not be created
   // and shown.
   void Show(bool create = true);
 
+  // If native window does not exist, nothing will be done. It will not save it
+  // and use it when creating window. So call this after ensuring window
+  // created.
+  void SetRect(const Rect& rect);
+
  protected:
   virtual gsl::not_null<platform::gui::INativeWindow*> CreateNativeWindow(
       gsl::not_null<host::WindowHost*> host,
diff --git a/src/ui/controls/RootControl.cpp b/src/ui/controls/RootControl.cpp
index 61d272f8..c6d9a577 100644
--- a/src/ui/controls/RootControl.cpp
+++ b/src/ui/controls/RootControl.cpp
@@ -24,6 +24,15 @@ render::RenderObject* RootControl::GetRenderObject() const {
   return render_object_.get();
 }
 
+void RootControl::EnsureWindowCreated() { this->GetNativeWindow(true); }
+
+void RootControl::SetRect(const Rect& rect) {
+  auto native_window = GetNativeWindow(false);
+  if (!native_window) return;
+
+  native_window->SetWindowRect(rect);
+}
+
 void RootControl::Show(bool create) {
   platform::gui::INativeWindow* native_window = GetNativeWindow(create);
   if (!native_window) return;
-- 
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