1 files changed, 48 insertions, 0 deletions
diff --git a/examples/demos/documentviewer/plugins/txtviewer/txtviewer.h b/examples/demos/documentviewer/plugins/txtviewer/txtviewer.h
new file mode 100644
index 00000000..7206d451
--- /dev/null
+++ b/examples/demos/documentviewer/plugins/txtviewer/txtviewer.h
@@ -0,0 +1,48 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef TXTVIEWER_H
+#define TXTVIEWER_H
+
+#include "viewerinterfaces.h"
+#include "abstractviewer.h"
+#include <QPointer>
+
+class QMainWindow;
+class QPlainTextEdit;
+class QLabel;
+class TxtViewer : public ViewerInterface
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.DocumentViewer.ViewerInterface" FILE "txtviewer.json")
+    Q_INTERFACES(ViewerInterface)
+public:
+    ~TxtViewer() override;
+    void init(QFile *file, QWidget *parent, QMainWindow *mainWindow) override;
+    QString viewerName() const override { return staticMetaObject.className(); };
+    QStringList supportedMimeTypes() const override;
+    bool saveDocument() override { return saveFile(m_file.get()); };
+    bool saveDocumentAs() override;
+    bool hasContent() const override;
+    QByteArray saveState() const override { return QByteArray(); }
+    bool restoreState(QByteArray &) override { return true; }
+    bool supportsOverview() const override { return false; }
+
+#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
+protected:
+    void printDocument(QPrinter *printer) const override;
+#endif // QT_DOCUMENTVIEWER_PRINTSUPPORT
+
+private slots:
+    void setupTxtUi();
+    void documentWasModified();
+
+private:
+    void openFile();
+    bool saveFile (QFile *file);
+
+    int m_classId;
+    QPlainTextEdit *m_textEdit;
+};
+
+#endif //TXTVIEWER_H