Redirecting project's purpose into password encryption. Need to separate declaration from implementation

MainWindow.h

@@ -0,0 +1,62 @@
+#ifndef MAINWINDOW_H_
+#define MAINWINDOW_H_
+
+#include<QDialog>
+#include<QPushButton>
+#include<QTextEdit>
+#include<QLabel>
+#include<QMenuBar>
+#include<QMainWindow>
+#include<QMenu>
+#include<QAction>
+#include<QVBoxLayout>
+#include<QDockWidget>
+#include<QWidget>
+#include<memory>
+#include"KeyManagementWindow.h"
+#include"CommonWindow.h"
+
+
+class MainWindow : public QMainWindow, public CommonWindow
+{
+	Q_OBJECT
+public:
+	MainWindow();
+	~MainWindow() = default;
+signals:
+
+private slots:
+	void changeCryptionType();
+	void determineCryption();
+	void keyManagementWindow();
+	void exitApplication();
+private:	
+	void setupMainWindow();
+	void createMenus();
+
+	unique_ptr<QVBoxLayout> buttonLayout;
+
+	unique_ptr<QWidget> buttonWidget;
+
+	unique_ptr<QDockWidget> buttonDockWidget;
+	unique_ptr<QDockWidget> cryptionArea;
+
+	unique_ptr<QLabel> lblOfEncryptedBox;
+
+	unique_ptr<QTextEdit> textForCryption;
+
+	unique_ptr<QPushButton> cryptionButon;
+	unique_ptr<QPushButton> cryptionSwitch;
+
+	unique_ptr<QMenu> fileMenu;
+	unique_ptr<QMenu> editMenu;
+	unique_ptr<QAction> closeApplication;
+	unique_ptr<QAction> keyEdit;	
+
+	unique_ptr<KeyManagementWindow> kh;
+
+	std::string grabCryptionText();
+
+	bool cryptionChoice;
+};
+#endif