update Button component

src/kiwano/base/component/Button.cpp

@@ -19,8 +19,6 @@
 // THE SOFTWARE.
 
 #include <kiwano/base/component/Button.h>
-#include <kiwano/2d/Stage.h>
-#include <kiwano/platform/Application.h>
 
 namespace kiwano
 {
@@ -35,35 +33,6 @@ ButtonBase::~ButtonBase()
 {
 }
 
-void ButtonBase::SetStatus(Status status)
-{
-    if (status_ != status)
-    {
-        Status old_status = status_;
-
-        if (status == Status::Normal)
-        {
-            OnEvent(Event::MouseOut);
-            Application::GetInstance().GetWindow()->SetCursor(CursorType::Arrow);
-        }
-        else if (status == Status::Hover)
-        {
-            Application::GetInstance().GetWindow()->SetCursor(CursorType::Hand);
-
-            if (old_status != Status::Pressed)
-            {
-                OnEvent(Event::MouseOver);
-            }
-        }
-        else if (status == Status::Pressed)
-        {
-            OnEvent(Event::Pressed);
-        }
-
-        status_ = status;
-    }
-}
-
 void ButtonBase::InitComponent(Actor* actor)
 {
     Component::InitComponent(actor);
@@ -82,23 +51,27 @@ void ButtonBase::HandleEvent(kiwano::Event* evt)
 {
     if (evt->IsType<MouseHoverEvent>())
     {
-        SetStatus(Status::Hover);
+        OnEvent(Event::MouseEntered);
+        status_ = Status::Hover;
     }
     else if (evt->IsType<MouseOutEvent>())
     {
-        SetStatus(Status::Normal);
+        OnEvent(Event::MouseExited);
+        status_ = Status::Normal;
     }
     else if (evt->IsType<MouseDownEvent>() && status_ == Status::Hover)
     {
-        SetStatus(Status::Pressed);
+        OnEvent(Event::Pressed);
+        status_ = Status::Pressed;
     }
     else if (evt->IsType<MouseUpEvent>() && status_ == Status::Pressed)
     {
-        SetStatus(Status::Hover);
+        OnEvent(Event::Released);
+        status_ = Status::Hover;
     }
     else if (evt->IsType<MouseClickEvent>())
     {
-        OnEvent(Event::Click);
+        OnEvent(Event::Clicked);
     }
 }
 
@@ -115,6 +88,11 @@ void Button::OnEvent(Event evt)
     {
         cb_(this, evt);
     }
+
+    if (evt == Event::Clicked && clicked_cb_)
+    {
+        clicked_cb_();
+    }
 }
 
 }  // namespace kiwano

src/kiwano/base/component/Button.h

@@ -42,19 +42,11 @@ public:
     /// @brief 按钮事件
     enum class Event
     {
-        Click,      ///< 被点击
-        Pressed,    ///< 被按下
-        MouseOver,  ///< 鼠标浮于按钮上
-        MouseOut,   ///< 鼠标从按钮上移出
-    };
-
-    /// \~chinese
-    /// @brief 按钮状态
-    enum class Status
-    {
-        Normal,   ///< 普通
-        Hover,    ///< 鼠标在按钮内
-        Pressed,  ///< 被按下
+        MouseEntered,  ///< 鼠标浮于按钮上
+        MouseExited,   ///< 鼠标从按钮上移出
+        Pressed,       ///< 鼠标按下
+        Released,      ///< 鼠标抬起
+        Clicked,       ///< 鼠标点击
     };
 
     ButtonBase();
@@ -65,15 +57,7 @@ public:
     /// @brief 按钮事件发生时
     virtual void OnEvent(Event evt) = 0;
 
-    /// \~chinese
-    /// @brief 获取按钮状态
-    Status GetStatus() const;
-
 protected:
-    /// \~chinese
-    /// @brief 设置按钮状态
-    void SetStatus(Status status);
-
     /// \~chinese
     /// @brief 初始化组件
     void InitComponent(Actor* actor) override;
@@ -87,7 +71,12 @@ protected:
     void HandleEvent(kiwano::Event* evt) override;
 
 private:
-    Status status_;
+    enum class Status
+    {
+        Normal,
+        Hover,
+        Pressed
+    } status_;
 };
 
 /**
@@ -113,24 +102,30 @@ public:
     /// @param cb 按钮回调函数
     void SetCallback(const Callback& cb);
 
+    /// \~chinese
+    /// @brief 设置按钮回调函数
+    /// @param cb 按钮回调函数
+    void SetCallbackOnClicked(const Function<void()>& cb);
+
     /// \~chinese
     /// @brief 按钮状态变化时
     void OnEvent(Event evt) override;
 
 private:
     Callback cb_;
+    Function<void()> clicked_cb_;
 };
 
 /** @} */
 
-inline void Button::SetCallback(const Callback& cb)
+inline void Button::SetCallback(const Button::Callback& cb)
 {
     cb_ = cb;
 }
 
-inline ButtonBase::Status ButtonBase::GetStatus() const
+inline void Button::SetCallbackOnClicked(const Function<void()>& cb)
 {
-    return status_;
+    clicked_cb_ = cb;
 }
 
 }  // namespace kiwano