Bring back ControlHost and refactor tree management of control.

1 files changed, 1 insertions, 167 deletions

diff --git a/include/cru/ui/controls/Window.h b/include/cru/ui/controls/Window.h
index 88320219..a2ae01f9 100644
--- a/include/cru/ui/controls/Window.h
+++ b/include/cru/ui/controls/Window.h
@@ -19,7 +19,6 @@ class CRU_UI_API Window
   static constexpr std::string_view kControlType = "Window";
 
   Window();
-  ~Window() override;
 
   static Window* CreatePopup();
 
@@ -29,175 +28,10 @@ class CRU_UI_API Window
 
   platform::gui::INativeWindow* GetNativeWindow();
 
-  void InvalidateLayout();
-  void InvalidatePaint();
-
-  void Repaint();
-  void Relayout();
-  void RelayoutWithSize(const Size& available_size = Size::Infinite(),
-                        bool set_window_size_to_fit_content = false);
-
   void SetGainFocusOnCreateAndDestroyWhenLoseFocus(bool value);
 
-  // If true, preferred size of root render object is set to window size when
-  // measure. Default is true.
-  bool IsLayoutPreferToFillWindow() const;
-  void SetLayoutPreferToFillWindow(bool value);
-
-  // Get current control that mouse hovers on. This ignores the mouse-capture
-  // control. Even when mouse is captured by another control, this function
-  // return the control under cursor. You can use `GetMouseCaptureControl` to
-  // get more info.
-  Control* GetMouseHoverControl() const { return mouse_hover_control_; }
-
-  Control* GetFocusControl();
-  void SetFocusControl(Control* control);
-
-  Control* GetMouseCaptureControl();
-  bool SetMouseCaptureControl(Control* control);
-
-  std::shared_ptr<platform::gui::ICursor> GetOverrideCursor();
-  void SetOverrideCursor(std::shared_ptr<platform::gui::ICursor> cursor);
-
-  bool IsInEventHandling();
-
-  CRU_DEFINE_EVENT(AfterLayout, std::nullptr_t)
-
- private:
-  std::unique_ptr<platform::gui::INativeWindow> CreateNativeWindow();
-
-  void OnNativeDestroy(platform::gui::INativeWindow* window, std::nullptr_t);
-  void OnNativePaint(platform::gui::INativeWindow* window, std::nullptr_t);
-  void OnNativeResize(platform::gui::INativeWindow* window, const Size& size);
-  void OnNativeFocus(platform::gui::INativeWindow* window,
-                     cru::platform::gui::FocusChangeType focus);
-  void OnNativeMouseEnterLeave(platform::gui::INativeWindow* window,
-                               cru::platform::gui::MouseEnterLeaveType enter);
-  void OnNativeMouseMove(platform::gui::INativeWindow* window,
-                         const Point& point);
-  void OnNativeMouseDown(platform::gui::INativeWindow* window,
-                         const platform::gui::NativeMouseButtonEventArgs& args);
-  void OnNativeMouseUp(platform::gui::INativeWindow* window,
-                       const platform::gui::NativeMouseButtonEventArgs& args);
-  void OnNativeMouseWheel(platform::gui::INativeWindow* window,
-                          const platform::gui::NativeMouseWheelEventArgs& args);
-  void OnNativeKeyDown(platform::gui::INativeWindow* window,
-                       const platform::gui::NativeKeyEventArgs& args);
-  void OnNativeKeyUp(platform::gui::INativeWindow* window,
-                     const platform::gui::NativeKeyEventArgs& args);
-
-  void DispatchFocusControlChangeEvent(Control* old_control,
-                                       Control* new_control, bool is_window);
-  void DispatchMouseHoverControlChangeEvent(Control* old_control,
-                                            Control* new_control,
-                                            const Point& point, bool no_leave,
-                                            bool no_enter);
-
-  template <typename EventArgs, typename... Args>
-  void DispatchEvent(Control* const original_sender,
-                     events::RoutedEvent<EventArgs>* (Control::*event_ptr)(),
-                     Control* const last_receiver, Args&&... args) {
-    constexpr auto kLogTag = "cru::ui::controls::DispatchEvent";
-
-    event_handling_count_++;
-    Guard event_handling_count_guard([this] { event_handling_count_--; });
-
-    if (original_sender == nullptr || original_sender == last_receiver) return;
-
-    std::string log = "Begin dispatching routed event " +
-                      (original_sender->*event_ptr)()->GetName() +
-                      ":\n\tTunnel:";
-
-    Guard logging_guard([&] {
-      log += "\nEnd dispatching routed event " +
-             (original_sender->*event_ptr)()->GetName() + ".";
-      CRU_LOG_TAG_DEBUG("{}", log);
-    });
-
-    std::vector<ObjectResolver<Control>> receive_list;
-
-    auto parent = original_sender;
-    while (parent != last_receiver) {
-      receive_list.push_back(parent->CreateResolver());
-      parent = parent->GetParent();
-    }
-
-    auto handled = false;
-
-    // tunnel
-    for (auto i = receive_list.crbegin(); i != receive_list.crend(); ++i) {
-      auto control = i->Resolve();
-      log += " ";
-      if (!control) {
-        log += "(deleted)";
-        continue;
-      }
-      log += control->GetDebugId();
-      EventArgs event_args(control, original_sender,
-                           std::forward<Args>(args)...);
-      (control->*event_ptr)()->tunnel_.Raise(event_args);
-      if (event_args.IsHandled()) {
-        log += " marked as handled.";
-        handled = true;
-        break;
-      }
-    }
-
-    // bubble
-    if (!handled) {
-      log += "\n\tBubble:";
-      for (auto resolver : receive_list) {
-        auto control = resolver.Resolve();
-        log += " ";
-        if (!control) {
-          log += "(deleted)";
-          continue;
-        }
-        log += control->GetDebugId();
-        EventArgs event_args(control, original_sender,
-                             std::forward<Args>(args)...);
-        (control->*event_ptr)()->bubble_.Raise(event_args);
-        if (event_args.IsHandled()) {
-          log += " marked as handled.";
-          break;
-        }
-      }
-    }
-
-    log += "\n\tDirect:";
-    // direct
-    for (auto resolver : receive_list) {
-      auto control = resolver.Resolve();
-      log += " ";
-      if (!control) {
-        log += "(deleted)";
-        continue;
-      }
-      log += control->GetDebugId();
-      EventArgs event_args(control, original_sender,
-                           std::forward<Args>(args)...);
-      (control->*event_ptr)()->direct_.Raise(event_args);
-    }
-  }
-
-  void UpdateCursor();
-  void NotifyControlDestroyed(Control* control);
-
  private:
-  int event_handling_count_;
-
-  std::unique_ptr<platform::gui::INativeWindow> native_window_;
-
-  Control* focus_control_;
-  Control* mouse_hover_control_;
-  Control* mouse_captured_control_;
-
-  std::shared_ptr<platform::gui::ICursor> override_cursor_;
-
-  bool layout_prefer_to_fill_window_;
-
-  platform::gui::TimerAutoCanceler repaint_schedule_canceler_;
-  platform::gui::TimerAutoCanceler relayout_schedule_canceler_;
+  std::shared_ptr<ControlHost> control_host_;
 
   Control* attached_control_;