diff --git a/src/anbox/graphics/multi_window_composer_strategy.cpp b/src/anbox/graphics/multi_window_composer_strategy.cpp
index c660bd71e51f0c136139359746ba1ad8a9519e8c..7d2cbb6fc4c67e06577e3a8392253891a0dbcab8 100644
--- a/src/anbox/graphics/multi_window_composer_strategy.cpp
+++ b/src/anbox/graphics/multi_window_composer_strategy.cpp
@@ -95,6 +95,13 @@ std::map<std::shared_ptr<wm::Window>, RenderableList> MultiWindowComposerStrateg
         w.first->setResizing(false);
       }
     }
+    else {
+      std::vector<Rect> rects;
+      for (auto &r : final_renderables) {
+        rects.push_back(r.screen_position());
+      }
+      w.first->set_dis_area(rects);
+    }
 
     if(!changed) {
       w.second = final_renderables;
diff --git a/src/anbox/graphics/rect.h b/src/anbox/graphics/rect.h
index 39037270a2a7db996fd9a0a1f01beb2b66b0c8d3..f695a19e8111be0730875a06fd4c5693c9160b23 100644
--- a/src/anbox/graphics/rect.h
+++ b/src/anbox/graphics/rect.h
@@ -59,6 +59,17 @@ class Rect {
             bottom_ == rhs.bottom());
   }
 
+  Rect operator&(const Rect &rhs) const {
+    int left = left_ > rhs.left() ? left_ : rhs.left();
+    int right = right_ < rhs.right() ? right_ : rhs.right();
+    int top = top_ > rhs.top() ? top_ : rhs.top();
+    int bottom = bottom_ < rhs.bottom() ? bottom_ : rhs.bottom();
+    if (right <= left || bottom <= top) {
+      return Rect(0, 0, 0, 0);
+    }
+    return Rect(left, top, right, bottom);
+  }
+
   inline bool operator!=(const Rect &rhs) const { return !operator==(rhs); }
 
   void merge(const Rect &rhs);
diff --git a/src/anbox/platform/sdl/platform.cpp b/src/anbox/platform/sdl/platform.cpp
index 4ac31f8c34ff9b1c38ec74ee19af5082155b9d95..a98ba743f9a6eae0df2f52fd42cabcbac7f111f5 100644
--- a/src/anbox/platform/sdl/platform.cpp
+++ b/src/anbox/platform/sdl/platform.cpp
@@ -319,7 +319,7 @@ void Platform::process_input_event(const SDL_Event &event) {
       for (auto &iter : windows_) {
         if (auto w = iter.second.lock()) {
           if (w->window_id() == event.window.windowID &&
-                  w->title_event_filter(event.button.y)) {
+                  w->title_event_filter(event.button.x, event.button.y)) {
             return;
           }
         }
diff --git a/src/anbox/platform/sdl/window.cpp b/src/anbox/platform/sdl/window.cpp
index 3eac96bb3b9e6e50028893510b60bf46325ee200..f4c3d4b34df5aaf4275e5380f90348a344e7a788 100755
--- a/src/anbox/platform/sdl/window.cpp
+++ b/src/anbox/platform/sdl/window.cpp
@@ -156,9 +156,19 @@ Window::~Window() {
   if (window_) SDL_DestroyWindow(window_);
 }
 
-bool Window::title_event_filter(int point_y) {
-  const auto top_drag_area_height = graphics::dp_to_pixel(button_size + (button_margin << 1));
-  return point_y < top_drag_area_height;
+bool Window::title_event_filter(int x, int y) {
+  std::vector<graphics::Rect> dis_area;
+  {
+    std::lock_guard<std::mutex> l(mutex_);
+    dis_area = dis_area_;
+  }
+  int cnt = 0;
+  for (auto &r : dis_area) {
+    if (x >= r.left() && x <= r.right() && y >= r.top() && y <= r.bottom()) {
+      cnt++;
+    }
+  }
+  return cnt == 1;
 }
 
 SDL_HitTestResult Window::on_window_hit(SDL_Window *window, const SDL_Point *pt, void *data) {
@@ -175,7 +185,7 @@ SDL_HitTestResult Window::on_window_hit(SDL_Window *window, const SDL_Point *pt,
 
   SDL_HitTestResult result = SDL_HITTEST_NORMAL;
 
-  if (pt->y <= top_drag_area_height) {
+  if (platform_window->title_event_filter(pt->x, pt->y)) {
     if (!platform_window->initialized.load()) {
       INFO("window initialized by click top");
       platform_window->initialized = true;
@@ -378,6 +388,22 @@ void Window::restore_window() {
     SDL_RestoreWindow(window_);
   }
 }
+
+void Window::set_dis_area(const std::vector<graphics::Rect> &rects) {
+  const auto top_drag_area_height = graphics::dp_to_pixel(button_size + (button_margin << 1));
+  auto title = graphics::Rect{0, 0, frame().width(), top_drag_area_height};
+  std::vector<graphics::Rect> dis_area;
+  for (auto r : rects) {
+    auto tmp = r & title;
+    if (tmp.width() > 0 && tmp.height() > 0) {
+      dis_area.push_back(tmp);
+    }
+  }
+  {
+    std::lock_guard<std::mutex> l(mutex_);
+    dis_area_.swap(dis_area);
+  }
+}
 } // namespace sdl
 } // namespace platform
 } // namespace anbox
diff --git a/src/anbox/platform/sdl/window.h b/src/anbox/platform/sdl/window.h
index 05af468e495bed0e180864c5b738a44dbd91bcb5..6e03ed6fcaf5d4f4f4abe51ca2abfe7a7540f31a 100755
--- a/src/anbox/platform/sdl/window.h
+++ b/src/anbox/platform/sdl/window.h
@@ -28,6 +28,7 @@
 #include <memory>
 #include <vector>
 #include <map>
+#include <mutex>
 
 class Renderer;
 
@@ -71,7 +72,7 @@ class Window : public std::enable_shared_from_this<Window>, public wm::Window {
          bool resizable);
   ~Window();
 
-  bool title_event_filter(int y) override;
+  bool title_event_filter(int x, int y) override;
   void process_event(const SDL_Event &event);
   bool check_min_state() {return SDL_GetWindowFlags(window_) & SDL_WINDOW_MINIMIZED;}
  
@@ -88,6 +89,7 @@ class Window : public std::enable_shared_from_this<Window>, public wm::Window {
   inline std::uint32_t get_property() {
       return visible_property;
   }
+  void set_dis_area(const std::vector<graphics::Rect> &rects) override;
 
  private:
   static SDL_HitTestResult on_window_hit(SDL_Window *window, const SDL_Point *pt, void *data);
@@ -107,6 +109,8 @@ class Window : public std::enable_shared_from_this<Window>, public wm::Window {
   int last_wnd_x{ 0 };
   int last_wnd_y{ 0 };
   std::uint32_t visible_property;
+  std::vector<graphics::Rect> dis_area_;
+  std::mutex mutex_;
 };
 } // namespace sdl
 } // namespace platform
diff --git a/src/anbox/wm/window.cpp b/src/anbox/wm/window.cpp
index 05c6a48cdbd755a8161115a26d94ea3c09323d4b..5d2cd71b92af7be5f0313615ddd5e663056a7234 100644
--- a/src/anbox/wm/window.cpp
+++ b/src/anbox/wm/window.cpp
@@ -64,7 +64,7 @@ void Window::release() {
   renderer_->destroyNativeWindow(native_handle());
 }
 
-bool Window::title_event_filter(int y) {
+bool Window::title_event_filter(int x, int y) {
   return false;
 }
 }  // namespace wm
diff --git a/src/anbox/wm/window.h b/src/anbox/wm/window.h
index f149bb170a71d315f242b5c2f482408e5c7254ac..cd1587f6166f3df241afd28698116330d499ec82 100644
--- a/src/anbox/wm/window.h
+++ b/src/anbox/wm/window.h
@@ -55,7 +55,7 @@ class Window {
   void update_frame(const graphics::Rect &frame);
   void update_last_frame(const graphics::Rect &frame);
 
-  virtual bool title_event_filter(int y);
+  virtual bool title_event_filter(int x, int y);
   void set_native_handle(const EGLNativeWindowType &handle);
   EGLNativeWindowType native_handle() const;
 
@@ -65,6 +65,7 @@ class Window {
   std::string title() const;
   virtual bool checkResizeable() { return resizing_; }
   virtual void setResizing(bool resizing) { resizing_ = resizing; }
+  virtual void set_dis_area(const std::vector<graphics::Rect> &rects) {};
  protected:
   graphics::Rect last_frame_;
   bool resizing_{false};