Add skeleton keyboard implementation for Mac and Linux

refs #206

src/blackcore/linux/keyboard_linux.h

@@ -0,0 +1,87 @@
+/*  Copyright (C) 2013 VATSIM Community / contributors
+ *  This Source Code Form is subject to the terms of the Mozilla Public
+ *  License, v. 2.0. If a copy of the MPL was not distributed with this
+ *  file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*!
+    \file
+*/
+
+#ifndef BLACKCORE_KEYBOARD_LINUX_H
+#define BLACKCORE_KEYBOARD_LINUX_H
+
+#include "blackcore/keyboard.h"
+#include "blackmisc/hwkeyboardkey.h"
+#include <QHash>
+
+namespace BlackCore
+{
+    //! \brief Linux implemenation of IKeyboard using hook procedure
+    //! \todo Change QHash to a CCollection object
+    class CKeyboardLinux : public IKeyboard
+    {
+        Q_OBJECT
+    public:
+
+        //! \brief Destructor
+        virtual ~CKeyboardLinux();
+
+        //! \copydoc IKeyboard::selectKey()
+        virtual void startCapture(bool ignoreNextKey = false) override;
+
+        //! \copydoc IKeyboard::sizeOfRegisteredFunctions()
+        virtual int  sizeOfRegisteredFunctions() const override;
+
+        //! \copydoc IKeyboard::triggerKey()
+        virtual void triggerKey(const BlackMisc::Hardware::CKeyboardKey key, bool isPressed) override;
+
+    protected:
+
+        friend class IKeyboard;
+
+        //! \brief Constructor
+        CKeyboardLinux(QObject *parent = nullptr);
+
+        //! \brief Copy Constructor
+        CKeyboardLinux(CKeyboardLinux const&);
+
+        //! \copydoc IKeyboard::init()
+        virtual bool init() override;
+
+        //! \brief Assignment operator
+        void operator=(CKeyboardLinux const&);
+
+        //! \copydoc IKeyboard::registerHotKeyImpl()
+        virtual IKeyboard::RegistrationHandle registerHotkeyImpl(BlackMisc::Hardware::CKeyboardKey key, QObject *receiver, std::function<void(bool)> function) override;
+
+        //! \copydoc IKeyboard::unregisterHotkeyImpl()
+        virtual void unregisterHotkeyImpl(const IKeyboard::RegistrationHandle &handle) override;
+
+        //! \copydoc IKeyboard::unregisterHotkeyImpl()
+        virtual void unregisterAllHotkeysImpl() override;
+
+    private:
+
+        /*!
+         * \brief Constructor
+         * \param keySet
+         * \param isFinished
+         */
+        void sendCaptureNotification(const BlackMisc::Hardware::CKeyboardKey &key, bool isFinished);
+
+        /*!
+         * \brief Calls registered functions on keyboard event
+         * \param keySet
+         * \param isPressed
+         */
+        void callFunctionsBy(const BlackMisc::Hardware::CKeyboardKey &keySet, bool isPressed);
+
+
+        QHash<BlackMisc::Hardware::CKeyboardKey, QList<IKeyboard::RegistrationHandle>> m_registeredFunctions; //!< Registered hotkey functions
+        BlackMisc::Hardware::CKeyboardKey m_pressedKey;    //!< Set of virtual keys pressed in the last cycle
+        bool m_ignoreNextKey;                   //!< Is true if the next key needs to be ignored
+        Mode m_mode;                            //!< Operation mode
+    };
+}
+
+#endif // BLACKCORE_KEYBOARD_LINUX_H