Implement RemapButton feature

Many changes were made here, too many to list here.

src/logid/actions/Action.h

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2019-2020 PixlOne
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#ifndef LOGID_ACTION_H
+#define LOGID_ACTION_H
+
+#include <atomic>
+#include <libconfig.h++>
+#include <memory>
+
+namespace logid {
+    class Device;
+namespace actions {
+    class InvalidAction : public std::exception
+    {
+    public:
+        InvalidAction()
+        {
+        }
+        explicit InvalidAction(std::string& action) : _action (action)
+        {
+        }
+        const char* what() const noexcept override
+        {
+            return _action.c_str();
+        }
+    private:
+        std::string _action;
+    };
+
+    class Action
+    {
+    public:
+        static std::shared_ptr<Action> makeAction(Device* device,
+                libconfig::Setting& setting);
+
+        virtual void press() = 0;
+        virtual void release() = 0;
+        virtual void move(int16_t x, int16_t y)
+        {
+        }
+
+        virtual bool pressed()
+        {
+            return _pressed;
+        }
+
+        virtual uint8_t reprogFlags() const = 0;
+
+        class Config
+        {
+        public:
+            explicit Config(Device* device) : _device (device)
+            {
+            }
+        protected:
+            Device* _device;
+        };
+    protected:
+        explicit Action(Device* device) : _device (device), _pressed (false)
+        {
+        }
+        Device* _device;
+        std::atomic<bool> _pressed;
+    };
+}}
+
+#endif //LOGID_ACTION_H