refactor: 大规模调整项目目录结构，将ChatClient和ChatServer整合为Monorepo结构，并分为两个独立文件夹：chatclient/ 和 chatserver/。更新了ChatClient的CMakeLists.txt配置以适配新结构。

ChatClient/include/messageeditarea.h

@@ -0,0 +1,56 @@
+#ifndef MESSAGEEDITAREA_H
+#define MESSAGEEDITAREA_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QScrollBar>
+//#include <QGraphicsDropShadowEffect>
+//#include <qpropertyanimation.h>
+//#include <QEvent>
+
+#include "historymessagewidget.h"
+#include "model/data.h"
+
+using namespace model;
+
+//编辑消息的区域
+class MessageEditArea : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit MessageEditArea(QWidget *parent = nullptr);
+
+    void initSignalSlot();
+    void sendTextMessage();
+    void addSelfMessage(MessageType messageType, const QByteArray& content, const QString& extraInfo);
+    void addOtherMessage(const model::Message& message);
+    //花式按钮事件
+    //bool eventFilter(QObject* obj, QEvent* event) override; 
+    
+    void clickSendImageBtn();
+    void clickSendFileBtn();
+
+    void soundRecordPressed();
+    void soundRecordReleased();
+
+    void soundSpeech(const QString& path);
+private:
+    QPushButton* sendImageBtn;
+    QPushButton* sendFileBtn;
+    QPushButton* sendSpeechBtn;
+    QPushButton* showHistoryBtn;
+    QPlainTextEdit* textEdit;
+    QPushButton* sendTextButton;
+    QLabel* tipLabel; 
+
+    //花式按钮
+    //QGraphicsDropShadowEffect* shadowEffect;
+
+
+signals:
+};
+
+#endif // MESSAGEEDITAREA_H