QT: Workaround to counter old Proview code closing the XttGe window on right click.

xtt/lib/glow/qt/glow_scroll_widget_qt.cqt

@@ -268,6 +268,9 @@ bool QtScrollWidgetGlow::event(QEvent* event)
     is_realized = true;
   }
   handleEvent(event);
+  if (event->type() >= QEvent::MouseButtonPress && event->type() <= QEvent::MouseMove) {
+    return true;
+  }
   return QWidget::event(event);
 }
 

xtt/lib/xtt/qt/xtt_ge_qt.cqt

@@ -44,6 +44,7 @@
 #include "xtt_log.h"
 #include "xtt_xnav.h"
 
+#include <QCloseEvent>
 #include <QMenuBar>
 #include <QShortcut>
 #include <QVBoxLayout>
@@ -208,6 +209,9 @@ XttGeQt::~XttGeQt()
     nav_widget->close();
   }
   delete graph;
+  if (!(options & ge_mOptions_Embedded)) {
+    delete toplevel;
+  }
 }
 
 void XttGeQt::pop()
@@ -227,7 +231,7 @@ void XttGeQtWidget::closeEvent(QCloseEvent* event)
   } else if (!(ge->options & ge_mOptions_Embedded)) {
     delete ge;
   }
-  QWidget::closeEvent(event);
+  event->ignore();
 }
 
 XttGeQt::XttGeQt(void* xg_parent_ctx, const char* xg_name,