add Actor::SetEventDispatchEnabled()

src/kiwano/2d/Actor.cpp

@@ -59,6 +59,7 @@ Actor::Actor()
     , cascade_opacity_(false)
     , show_border_(false)
     , is_fast_transform_(true)
+    , evt_dispatch_enabled_(true)
     , parent_(nullptr)
     , stage_(nullptr)
     , hash_name_(0)
@@ -191,7 +192,7 @@ bool Actor::CheckVisibility(RenderContext& ctx) const
 
 bool Actor::DispatchEvent(Event* evt)
 {
-    if (!visible_)
+    if (!visible_ || !evt_dispatch_enabled_)
         return true;
 
     // Dispatch to children those are greater than 0 in Z-Order
@@ -220,6 +221,11 @@ bool Actor::DispatchEvent(Event* evt)
     return true;
 }
 
+void Actor::SetEventDispatchEnabled(bool enabled)
+{
+    evt_dispatch_enabled_ = enabled;
+}
+
 void Actor::DoSerialize(Serializer* serializer) const
 {
     ObjectBase::DoSerialize(serializer);

src/kiwano/2d/Actor.h

@@ -105,6 +105,10 @@ public:
     /// @brief 是否启用级联透明度
     bool IsCascadeOpacityEnabled() const;
 
+    /// \~chinese
+    /// @brief 是否启用事件分发
+    bool IsEventDispatchEnabled() const;
+
     /// \~chinese
     /// @brief 获取名称的 Hash 值
     size_t GetHashName() const;
@@ -408,6 +412,11 @@ public:
     /// @return 是否继续分发该事件
     virtual bool DispatchEvent(Event* evt);
 
+    /// \~chinese
+    /// @brief 开启或关闭事件分发功能
+    /// @param enabled 是否开启
+    void SetEventDispatchEnabled(bool enabled);
+
     /// \~chinese
     /// @brief 序列化
     void DoSerialize(Serializer* serializer) const override;
@@ -469,6 +478,7 @@ private:
     bool           hover_;
     bool           pressed_;
     bool           responsible_;
+    bool           evt_dispatch_enabled_;
     int            z_order_;
     float          opacity_;
     float          displayed_opacity_;
@@ -518,6 +528,11 @@ inline bool Actor::IsCascadeOpacityEnabled() const
     return cascade_opacity_;
 }
 
+inline bool Actor::IsEventDispatchEnabled() const
+{
+    return evt_dispatch_enabled_;
+}
+
 inline size_t Actor::GetHashName() const
 {
     return hash_name_;