新增：实现 EventQueue 类，单线程事件队列

code/EventQueue.cpp

@@ -0,0 +1,46 @@
+#include "EventQueue.h"
+
+bool EventQueue::EventQueue_AddEvent(int tInputCmd, void *pInputParam)
+{
+    cmdParam.push_back(pInputParam);
+    cmdList.push_back(tInputCmd);
+    return true;
+}
+
+bool EventQueue::EventQueue_AddEventToFront(int tInputCmd, void *pInputParam)
+{
+    cmdParam.push_front(pInputParam);
+    cmdList.push_front(tInputCmd);
+    return true;
+}
+
+bool EventQueue::EventQueue_PeekEvent(int *pOutputCmd, void **ppOutputParam)
+{
+    if (cmdList.empty())
+        return false;
+
+    (*pOutputCmd) = cmdList.front();
+    (*ppOutputParam) = cmdParam.front();
+    return true;
+}
+
+void EventQueue::EventQueue_PopEvent(void)
+{
+    if (!cmdList.empty())
+    {
+        cmdList.pop_front();
+        cmdParam.pop_front();
+    }
+}
+
+bool EventQueue::EventQueue_GetEvent(int *pOutputCmd, void **ppOutputParam)
+{
+    if (cmdList.empty())
+        return false;
+
+    (*pOutputCmd) = cmdList.front();
+    (*ppOutputParam) = cmdParam.front();
+    cmdList.pop_front();
+    cmdParam.pop_front();
+    return true;
+}