1 files changed, 1 insertions, 65 deletions

diff --git a/CruUI/ui/window.cpp b/CruUI/ui/window.cpp
index e09b150e..3f9d9f6c 100644
--- a/CruUI/ui/window.cpp
+++ b/CruUI/ui/window.cpp
@@ -77,70 +77,6 @@ namespace cru
                 return find_result->second;
         }
 
-        void WindowLayoutManager::InvalidateControlPositionCache(Control * control)
-        {
-            if (cache_invalid_controls_.count(control) == 1)
-                return;
-
-            // find descendant then erase it; find ancestor then just return.
-            for (auto i = cache_invalid_controls_.cbegin(); i != cache_invalid_controls_.cend(); ++i)
-            {
-                const auto result = IsAncestorOrDescendant(*i, control);
-                if (result == control)
-                    cache_invalid_controls_.erase(i);
-                else if (result != nullptr)
-                    return; // find a ancestor of "control", just return
-            }
-
-            cache_invalid_controls_.insert(control);
-
-            if (cache_invalid_controls_.size() == 1) // when insert just now and not repeat to "InvokeLater".
-            {
-                InvokeLater([this] {
-
-                    RefreshInvalidControlPositionCache(); // first refresh position cache.
-                    for (const auto i : cache_invalid_controls_) // traverse all descendants of position-invalid controls and notify position change event
-                        i->TraverseDescendants([](Control* control)
-                    {
-                        control->CheckAndNotifyPositionChanged();
-                    });
-                    cache_invalid_controls_.clear(); // after update and notify, clear the set.
-
-                });
-            }
-        }
-
-        void WindowLayoutManager::RefreshInvalidControlPositionCache()
-        {
-            for (const auto i : cache_invalid_controls_)
-                RefreshControlPositionCache(i);
-        }
-
-        void WindowLayoutManager::RefreshControlPositionCache(Control * control)
-        {
-            auto point = Point::zero;
-            auto parent = control;
-            while ((parent = parent->GetParent())) {
-                const auto p = parent->GetPositionRelative();
-                point.x += p.x;
-                point.y += p.y;
-            }
-            RefreshControlPositionCacheInternal(control, point);
-        }
-
-        void WindowLayoutManager::RefreshControlPositionCacheInternal(Control * control, const Point & parent_lefttop_absolute)
-        {
-            const auto position = control->GetPositionRelative();
-            Point lefttop(
-                parent_lefttop_absolute.x + position.x,
-                parent_lefttop_absolute.y + position.y
-            );
-            control->position_cache_.lefttop_position_absolute = lefttop;
-            control->ForeachChild([lefttop](Control* c) {
-                RefreshControlPositionCacheInternal(c, lefttop);
-            });
-        }
-
         inline Point PiToDip(const POINT& pi_point)
         {
             return Point(
@@ -149,7 +85,7 @@ namespace cru
             );
         }
 
-        Window::Window() : Control(WindowConstructorTag{}, this), layout_manager_(new WindowLayoutManager()), control_list_({ this }) {
+        Window::Window() : Control(WindowConstructorTag{}, this), control_list_({ this }) {
             const auto app = Application::GetInstance();
             hwnd_ = CreateWindowEx(0,
                 app->GetWindowManager()->GetGeneralWindowClass()->GetName(),