0029674: Improvements in Inspector tool

- preferences for dock windows geometry, tree view columns and current view projection;
- ViewControl package for common functionality between plugins;
- processing Location and Orientation for external TopoDS_Shape object
- 'F5' key to update content of each plugin
- visibility column in tree view (used now only in ShapeView)
- properties child item for context (presents tree of current Filters of context)

tools/TInspector/TInspector_Shortcut.hxx

@@ -0,0 +1,50 @@
+// Created on: 2017-06-16
+// Created by: Natalia ERMOLAEVA
+// Copyright (c) 2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement. 
+
+#ifndef TInspector_Shortcut_H
+#define TInspector_Shortcut_H
+
+#include <Standard.hxx>
+#include <Standard_Macro.hxx>
+
+#include <Standard_WarningsDisable.hxx>
+#include <QObject>
+#include <Standard_WarningsRestore.hxx>
+
+class TInspector_Window;
+class QEvent;
+
+//! \class TInspector_Shortcut
+//! Listens application KeyRelease event. Processes key event:
+//! - <Key_F5>: updates content (tree view model) of the active plugin
+class TInspector_Shortcut : public QObject
+{
+public:
+
+  //! Constructor
+  Standard_EXPORT TInspector_Shortcut (QObject* theParent, TInspector_Window* theWindow);
+
+  //! Destructor
+  virtual ~TInspector_Shortcut() {}
+
+  //! Processes key release event to update view model, otherwise do usual QObject functionality
+  Standard_EXPORT virtual bool eventFilter (QObject *theObject, QEvent* theEvent) Standard_OVERRIDE;
+
+private:
+  TInspector_Window* myWindow; //!< the current window
+};
+
+
+#endif