TrainCamp_weikai_Modbus/ComprehensivePlatformProgrammer/HMI/hmieditorwidget.h

#pragma once
#include <QWidget>
#include <QListWidget>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QLabel>
#include <QPushButton>
#include <QList>

class HmiEditorWidget : public QWidget {
    Q_OBJECT
public:
    explicit HmiEditorWidget(QWidget* parent = nullptr);
    ~HmiEditorWidget();

    Q_INVOKABLE QList<QGraphicsScene*> getPages() const { return m_pages; }
    Q_INVOKABLE int getCurrentPageIndex() const { return m_currentPageIndex; }
    Q_INVOKABLE void clearPages();
    Q_INVOKABLE void createNewPage();
    Q_INVOKABLE void refreshView();
    void switchToPage(int index);

protected:
    void keyPressEvent(QKeyEvent* event) override;
    bool eventFilter(QObject* obj, QEvent* event) override;
    void resizeEvent(QResizeEvent* event) override;
    void showEvent(QShowEvent* event) override;

private slots:
    void onToolbarItemClicked(QListWidgetItem* item);
    void onNewPageClicked();
    void onDeletePageClicked();
    void onPreviousPageClicked();
    void onNextPageClicked();

private:
    void initViewScale();
    void updatePageLabel();
    void ensureViewReady();

    QListWidget* hmiToolbar;
    QGraphicsView* hmiEditArea;
    QList<QGraphicsScene*> m_pages;
    int m_currentPageIndex = -1;
    QLabel* m_pageLabel;
    QPushButton* m_newPageButton;
    QPushButton* m_deletePageButton;
    QPushButton* m_prevPageButton;
    QPushButton* m_nextPageButton;
    bool m_firstShow = true;
};