1 files changed, 0 insertions, 79 deletions
diff --git a/CruUI/ui/layout_base.cpp b/CruUI/ui/layout_base.cpp
deleted file mode 100644
index a26379a0..00000000
--- a/CruUI/ui/layout_base.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-#include "layout_base.h"
-
-#include "application.h"
-#include "control.h"
-
-namespace cru::ui
-{
-    LayoutManager* LayoutManager::GetInstance()
-    {
-        static LayoutManager layout_manager;
-        return &layout_manager;
-    }
-
-    void LayoutManager::InvalidateControlPositionCache(Control * control)
-    {
-        if (cache_invalid_controls_.count(control) == 1)
-            return;
-
-        // find descendant then erase it; find ancestor then just return.
-        auto i = cache_invalid_controls_.cbegin();
-        while (i != cache_invalid_controls_.cend())
-        {
-            auto current_i = i++;
-            const auto result = IsAncestorOrDescendant(*current_i, control);
-            if (result == control)
-                cache_invalid_controls_.erase(current_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 LayoutManager::RefreshInvalidControlPositionCache()
-    {
-        for (const auto i : cache_invalid_controls_)
-            RefreshControlPositionCache(i);
-    }
-
-    void LayoutManager::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 LayoutManager::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);
-        });
-    }
-}