Undo and Redo command

2025-06-19 19:29:12 +02:00
parent 57d77cf7cf
commit 0cd4f95865
4 changed files with 60 additions and 3 deletions
@@ -0,0 +1,21 @@
+#ifndef UNDO_H
+#define UNDO_H
+
+#include <QUndoCommand>
+#include <QLineEdit>
+
+class LineEditCommand : public QUndoCommand {
+public:
+    LineEditCommand(QLineEdit* edit, const QString& oldText, const QString& newText)
+        : m_edit(edit), m_oldText(oldText), m_newText(newText) {}
+
+    void undo() override { m_edit->setText(m_oldText); }
+    void redo() override { m_edit->setText(m_newText); }
+
+private:
+    QLineEdit* m_edit;
+    QString m_oldText;
+    QString m_newText;
+};
+
+#endif // UNDO_H