regtools/qeditor: clean-up

Free the backend when closing a tab to release some memory. Implement about
dialogs.

Change-Id: Ic8c500a23d38e6c3dd4de6a4ba862012925968be

1 files changed, 5 insertions, 0 deletions

diff --git a/utils/regtools/qeditor/regtab.cpp b/utils/regtools/qeditor/regtab.cpp
index 1e9846ef33..8403a19ea1 100644
--- a/utils/regtools/qeditor/regtab.cpp
+++ b/utils/regtools/qeditor/regtab.cpp
@@ -204,6 +204,11 @@ RegTab::RegTab(Backend *backend)
     OnDataSelChanged(DataSelNothing);
 }
 
+RegTab::~RegTab()
+{
+    delete m_io_backend;
+}
+
 void RegTab::SetDataSocName(const QString& socname)
 {
     if(socname.size() != 0)