From c5125e9034a5b05700ed41aee30f43476cb2c7f2 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 29 Oct 2020 00:16:48 +0800
Subject: ...

---
 include/cru/ui/WindowHost.hpp  | 8 ++++----
 src/ui/RoutedEventDispatch.hpp | 4 ++--
 src/ui/Window.cpp              | 1 +
 src/ui/WindowHost.cpp          | 3 ++-
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/cru/ui/WindowHost.hpp b/include/cru/ui/WindowHost.hpp
index 8efb505d..c3221dcf 100644
--- a/include/cru/ui/WindowHost.hpp
+++ b/include/cru/ui/WindowHost.hpp
@@ -120,10 +120,10 @@ class WindowHost : public Object {
                                             bool no_enter);
 
  private:
-  Control* root_control_;
-  render::RenderObject* root_render_object_;
+  Control* root_control_ = nullptr;
+  render::RenderObject* root_render_object_ = nullptr;
 
-  platform::native::INativeWindow* native_window_;
+  platform::native::INativeWindow* native_window_ = nullptr;
 
   bool need_layout_ = false;
   platform::native::TimerAutoCanceler relayout_timer_canceler_;
@@ -136,7 +136,7 @@ class WindowHost : public Object {
 
   Control* focus_control_;
 
-  Control* mouse_captured_control_;
+  Control* mouse_captured_control_ = nullptr;
 
   bool layout_prefer_to_fill_window_ = true;
 };
diff --git a/src/ui/RoutedEventDispatch.hpp b/src/ui/RoutedEventDispatch.hpp
index b6e0999b..de94a598 100644
--- a/src/ui/RoutedEventDispatch.hpp
+++ b/src/ui/RoutedEventDispatch.hpp
@@ -4,7 +4,7 @@
 #include "cru/common/Logger.hpp"
 #include "cru/ui/DebugFlags.hpp"
 
-#include <list>
+#include <vector>
 
 namespace cru::ui {
 // Dispatch the event.
@@ -36,7 +36,7 @@ void DispatchEvent(const std::u16string_view& event_name,
     return;
   }
 
-  std::list<Control*> receive_list;
+  std::vector<Control*> receive_list;
 
   auto parent = original_sender;
   while (parent != last_receiver) {
diff --git a/src/ui/Window.cpp b/src/ui/Window.cpp
index 6d507858..051e67ef 100644
--- a/src/ui/Window.cpp
+++ b/src/ui/Window.cpp
@@ -9,6 +9,7 @@ namespace cru::ui {
 Window* Window::CreateOverlapped() { return new Window(); }
 
 Window::Window() : render_object_(new render::StackLayoutRenderObject()) {
+  render_object_->SetAttachedControl(this);
   window_host_ = std::make_unique<WindowHost>(this);
 }
 
diff --git a/src/ui/WindowHost.cpp b/src/ui/WindowHost.cpp
index 1dba4404..12eb746a 100644
--- a/src/ui/WindowHost.cpp
+++ b/src/ui/WindowHost.cpp
@@ -99,7 +99,8 @@ inline void BindNativeEvent(
 }
 }  // namespace
 
-WindowHost::WindowHost(Control* root_control) : root_control_(root_control) {
+WindowHost::WindowHost(Control* root_control)
+    : root_control_(root_control), focus_control_(root_control) {
   const auto ui_application = IUiApplication::GetInstance();
   auto native_window = ui_application->CreateWindow(nullptr);
   native_window_ = native_window;
-- 
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