From 03b3b8ae80559745f98ef94569b421adddeb441f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 25 Mar 2019 23:46:59 +0800
Subject: *misc

---
 source/Asura.Editor/core/signal.h | 52 +++++++++++++++++++++++++++++++++++++++
 source/Asura.Editor/core/slot.h   | 43 ++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 source/Asura.Editor/core/signal.h
 create mode 100644 source/Asura.Editor/core/slot.h

(limited to 'source/Asura.Editor/core')

diff --git a/source/Asura.Editor/core/signal.h b/source/Asura.Editor/core/signal.h
new file mode 100644
index 0000000..f1ab9b4
--- /dev/null
+++ b/source/Asura.Editor/core/signal.h
@@ -0,0 +1,52 @@
+#ifndef __ASRUA_EDTIRO_SIGNAL_H__
+#define __ASRUA_EDTIRO_SIGNAL_H__
+
+#include <vector>
+
+#include <asura-lib-utils/scripting/portable.hpp>
+
+#include "../widgets/widget.h"
+#include "slot.h"
+
+namespace AsuraEditor
+{
+
+	///
+	/// 控件事件
+	///
+	class Signal 
+	{
+	public:
+		Signal();
+
+		///
+		/// Fire将事件发给connect的监听者，触发（调用）connect的函数。
+		///
+		void operator()(void* userdata)
+		{
+			for (auto callback : mCallbacks)
+				callback();
+		}
+
+		///
+		/// 注册回调函数。
+		///
+		void Connect(const Slot& callback)
+		{
+			mCallbacks.push_back(callback);
+		}
+
+		///
+		/// 
+		///
+		void Disconnect();
+	
+	private:
+
+		std::vector<Slot> mCallbacks; // 监听函数
+
+	};
+	
+}
+
+#endif
\ No newline at end of file
diff --git a/source/Asura.Editor/core/slot.h b/source/Asura.Editor/core/slot.h
new file mode 100644
index 0000000..ff565cf
--- /dev/null
+++ b/source/Asura.Editor/core/slot.h
@@ -0,0 +1,43 @@
+#ifndef __ASURA_EDITOR_SLOT_H__
+#define __ASURA_EDITOR_SLOT_H__
+
+#include <asura-lib-utils/scripting/portable.hpp>
+#include <asura-lib-core/input/event.h>
+
+#include "../widgets/widget.h"
+
+namespace AsuraEditor
+{
+
+	///
+	/// 响应signal的闭包
+	///
+	class Slot
+	{
+	public:
+		Slot(Luax::LuaxState& state, Widget& widget, int refID)
+			: mState(state)
+			, mRefID(refID)
+			, mWidget(widget)
+		{
+		}
+
+		void operator()()
+		{
+			mWidget.PushLuaxMemberRef(mState, mRefID);
+			if (lua_isfunction(mState, -1)) // callback
+			{
+				mState.Call(0, 0);
+			}
+		}
+
+	private:
+		Luax::LuaxState& mState;
+		Widget&          mWidget; 
+		int              mRefID;  
+
+	};
+
+}
+
+#endif
\ No newline at end of file
-- 
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