refs #617, CGuiActionBindHandler to use QAction with hotkeys

* QMenu can be automatically turned into a list of CActionBind objects for hotkeys
* trigger QAction from hotkeys

src/blackgui/guiactionbind.h

@@ -0,0 +1,60 @@
+/* Copyright (C) 2017
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_GUIACTIONBIND_H
+#define BLACKGUI_GUIACTIONBIND_H
+
+#include "blackgui/blackguiexport.h"
+#include "blackcore/actionbind.h"
+
+#include <QMenu>
+#include <QList>
+#include <QScopedPointer>
+
+namespace BlackGui
+{
+    //! QObject derived handler to be registered with BlackCore::CActionBind
+    class BLACKGUI_EXPORT CGuiActionBindHandler : public QObject
+    {
+        Q_OBJECT
+
+    public:
+        //! Constructor
+        CGuiActionBindHandler(QAction *action);
+
+        //! Destructor
+        virtual ~CGuiActionBindHandler();
+
+        //! Bound function for BlackCore::CActionBind
+        void boundFunction(bool enabled);
+
+        //! Bind whole menu
+        static BlackCore::CActionBindings bindMenu(QMenu *menu, const QString &path = {});
+
+    private:
+        //! Corresponding action destroyed
+        void destroyed();
+
+        //! Set the action
+        void setAction(QAction *action);
+
+        //! Unbind this action
+        void unbind();
+
+        //! Append path for action
+        static QString appendPath(const QString &path, const QString &name);
+
+        int m_index = -1;
+        QAction *m_action = nullptr;
+    };
+} // namespace
+
+#endif // guard