TSI_Config/singlerelay.h

#ifndef SINGLERELAY_H
#define SINGLERELAY_H

#include <QDialog>
#include <QTextEdit>
#include <QMimeData>
#include <QDrag>
#include <QDragEnterEvent>
#include <QDebug>

namespace Ui {
class SingleRelay;
}

class SingleRelay : public QDialog {
    Q_OBJECT

  public:
    explicit SingleRelay(QWidget *parent = nullptr);
    ~SingleRelay();

  private slots:
    void on_pushButton_cancel_clicked();

  private:
    Ui::SingleRelay *ui;
};
class DropTextEdit : public QTextEdit {
public:
    DropTextEdit(QWidget *parent = nullptr) : QTextEdit(parent) {
        setAcceptDrops(true);
        setReadOnly(false); // 确保不是只读的
    }

protected:
    void dragEnterEvent(QDragEnterEvent *event) override {
        qDebug() << "dragEnterEvent" << event->mimeData()->formats();
        if (event->mimeData()->hasText()) {
            event->acceptProposedAction();
        } else {
            event->ignore();
        }
    }

    void dragMoveEvent(QDragMoveEvent *event) override {
        if (event->mimeData()->hasText()) {
            event->acceptProposedAction();
        } else {
            event->ignore();
        }
    }

    void dropEvent(QDropEvent *event) override {
        if (event->mimeData()->hasText()) {
            insertPlainText(event->mimeData()->text());
            event->acceptProposedAction();
        } else {
            event->ignore();
        }
    }
};
#endif // SINGLERELAY_H