UiChatPanel.hpp

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#pragma once
 
#include "AstGlobal.h"
#include <QWidget>
#include <memory>
 
class QLabel;
class QTimer;
 
AST_NAMESPACE_BEGIN
 
class ChatSession;
class UiChatMessageList;
class UiChatMessageItem;
class UiChatInput;
class UiChatEventHandler;
class UiChatWorker;
class UiToolCallTimeline;
 
class AST_UIAI_API UiChatPanel : public QWidget
{
    Q_OBJECT
 
public:
    explicit UiChatPanel(ChatSession* session, QWidget* parent = nullptr);
 
    ~UiChatPanel() override;
    UiChatPanel(const UiChatPanel&) = delete;
    UiChatPanel& operator=(const UiChatPanel&) = delete;
 
    ChatSession* session() const { return session_; }
 
    void setSession(ChatSession* session);
 
    void sendMessage(const QString& message);
 
    void clearMessages();
 
    bool isBusy() const { return busy_; }
 
Q_SIGNALS:
    void chatStarted();
 
    void chatFinished();
 
private Q_SLOTS:
    void onSendMessage(const QString& message);
    void onStopRequested();
 
    // 事件处理器槽
    void onHtmlChunk(const QString& html);
    void flushHtml();
    void onContentComplete(const QString& text);
    void onReasoningChunk(const QString& reasoning);
    void onReasoningComplete(const QString& reasoning);
    void onToolCallRequest(const QString& toolCallId,
                           const QString& functionName,
                           const QString& arguments);
    void onToolCallResult(const QString& toolCallId,
                          const QString& functionName,
                          const QString& result);
    void onCompleted();
    void onError(const QString& error);
    void onWorkerFinished(int errorCode);
 
private:
    void setupUi();
    void setBusy(bool busy);
 
    ChatSession*            session_ = nullptr;
    UiChatEventHandler*     handler_ = nullptr;
    UiChatMessageList*      messageList_ = nullptr;
    UiChatInput*            chatInput_ = nullptr;
    QLabel*                 statusLabel_ = nullptr;
 
    // 流式状态
    UiChatMessageItem*      streamingItem_ = nullptr;   // 正在流式填充的助手消息
    UiToolCallTimeline*     toolTimeline_ = nullptr;    // 当前回合的工具调用时间线
    QTimer*                 throttleTimer_ = nullptr;   // 40ms 节流定时器
    QString                 pendingHtml_{};               // 累积的 HTML（定时器触发后一次性渲染）
    std::string             accumulatedText_{};            // 累积的流式文本
    bool                    busy_{false};
};
 
AST_NAMESPACE_END