UiChatMessageList.hpp

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#pragma once
 
#include "AstGlobal.h"
#include <QWidget>
 
class QScrollArea;
class QVBoxLayout;
class UiChatMessageItem;
 
AST_NAMESPACE_BEGIN
 
enum class EChatRole;
 
class AST_UIAI_API UiChatMessageList : public QWidget
{
    Q_OBJECT
 
public:
    explicit UiChatMessageList(QWidget* parent = nullptr);
    ~UiChatMessageList() override;
    UiChatMessageList(const UiChatMessageList&) = delete;
    UiChatMessageList& operator=(const UiChatMessageList&) = delete;
 
    UiChatMessageItem* appendMessage(EChatRole role, const QString& content = QString());
 
    UiChatMessageItem* lastMessage() const;
 
    void appendWidget(QWidget* widget);
 
    void clear();
 
    void scrollToBottom();
 
    void scrollToBottomIfEnabled();
 
    int messageCount() const;
 
private Q_SLOTS:
    void onScrollBarValueChanged(int value);
 
private:
    void setupUi();
 
    QScrollArea*    scrollArea_ = nullptr;
    QWidget*        contentWidget_ = nullptr;
    QVBoxLayout*    contentLayout_ = nullptr;
 
    bool autoScrollEnabled_ = true;  // 用户是否开启了自动跟随（滚到底部=开启，滚离=关闭）
};
 
AST_NAMESPACE_END