feat: MDI(Multi-document Interface)

QtMDIEx/ExMainWindow.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C)  2019 ~ 2019 touwoyimuli.  All rights reserved.
+ *
+ * Author:  touwoyimuli <touwoyimuli@gmai.com>
+ *
+ * github:  https://github.com/touwoyimuli
+ * blogs:   https://touwoyimuli.github.io/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://touwoyimuli.github.io/>.
+ */
+#ifndef EXMAINWINDOW_H
+#define EXMAINWINDOW_H
+
+#include <QMainWindow>
+#include <QCloseEvent>
+#include <QDir>
+#include <QFileDialog>
+#include <QMdiSubWindow>
+
+#include "ExMDI.h"
+
+namespace Ui {
+class ExMainWindow;
+}
+
+class ExMainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit ExMainWindow(QWidget *parent = nullptr);
+    ~ExMainWindow();
+
+private slots:
+    void on_actOpen_triggered();
+
+private:
+    void closeEvent(QCloseEvent *e);   //主窗口关闭时关闭所有子窗口
+
+private:
+    Ui::ExMainWindow *ui;
+};
+
+#endif // EXMAINWINDOW_H