bug fixes

src/aboutwidget.h

@@ -0,0 +1,41 @@
+#ifndef _ABOUTWIDGET_H_
+#define _ABOUTWIDGET_H_
+
+#include <QObject>
+#include <QWidget>
+#include <QDesktopServices>
+#include <QUrl>
+#include <QFileInfo>
+#include <QCoreApplication>
+
+class QVBoxLayout;
+class QHBoxLayout;
+class QPushButton;
+class QLabel;
+
+class AboutWidget : public QWidget
+{
+	Q_OBJECT
+public:
+	explicit AboutWidget(QWidget* parent = nullptr);
+	~AboutWidget();
+
+
+
+private slots:
+	void openHelpFile();
+
+private:
+	void initUi();
+	bool execResult(const char* cmd, std::string& result);
+	bool execResult2(const char* cmd, std::string& result);
+
+	QString getLinuxVersion();
+	QString getDCMTKVersion();
+
+	//QString queryVersion(const QString& packName);
+
+};
+
+
+#endif // !_ABOUTWIDGET_H_