editor_hooks.h

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/*
 * This file is part of the Code::Blocks IDE and licensed under the GNU Lesser General Public License, version 3
 * http://www.gnu.org/licenses/lgpl-3.0.html
 */

#ifndef EDITOR_HOOKS_H
#define EDITOR_HOOKS_H

#include "settings.h"

//uncomment the below line if you want to do the hook performance measure
//#define EDITOR_HOOK_PERFORMANCE_MEASURE

#ifdef EDITOR_HOOK_PERFORMANCE_MEASURE
    #include <typeinfo> // typeid
#endif // EDITOR_HOOK_PERFORMANCE_MEASURE

class cbEditor;
class cbSmartIndentPlugin;
class wxScintillaEvent;

namespace EditorHooks
{
    class DLLIMPORT HookFunctorBase
    {
        public:
            virtual ~HookFunctorBase(){}
            virtual void Call(cbEditor*, wxScintillaEvent&) const = 0;

#ifdef EDITOR_HOOK_PERFORMANCE_MEASURE
            virtual const char* GetTypeName() const = 0;
#endif // EDITOR_HOOK_PERFORMANCE_MEASURE

    };

    template<class T> class HookFunctor : public HookFunctorBase
    {
        public:
            typedef void (T::*Func)(cbEditor*, wxScintillaEvent&);
            HookFunctor(T* obj, Func func) : m_pObj(obj), m_pFunc(func)
            { ; }
            void Call(cbEditor* editor, wxScintillaEvent& event) const override
            {
                if (m_pObj && m_pFunc)
                    (m_pObj->*m_pFunc)(editor, event);
            }

#ifdef EDITOR_HOOK_PERFORMANCE_MEASURE

            virtual const char* GetTypeName() const
            {
                return typeid(m_pFunc).name();
            }
#endif // EDITOR_HOOK_PERFORMANCE_MEASURE

        protected:
            T* m_pObj;
            Func m_pFunc;
    };

    extern DLLIMPORT int RegisterHook(HookFunctorBase* functor);
    extern DLLIMPORT HookFunctorBase* UnregisterHook(int id, bool deleteHook = true);
    extern DLLIMPORT bool HasRegisteredHooks();
    extern DLLIMPORT void CallHooks(cbEditor* editor, wxScintillaEvent& event);

    class cbSmartIndentEditorHookFunctor : public HookFunctorBase
    {
        public:
            cbSmartIndentEditorHookFunctor(cbSmartIndentPlugin* plugin);
            ~cbSmartIndentEditorHookFunctor() override{}
            void Call(cbEditor* editor, wxScintillaEvent& event) const override;

#ifdef EDITOR_HOOK_PERFORMANCE_MEASURE
            virtual const char* GetTypeName() const
            {
                return typeid(m_plugin).name();
            }
#endif // EDITOR_HOOK_PERFORMANCE_MEASURE

        private:
            cbSmartIndentPlugin* m_plugin;
    };
}

#endif // EDITOR_HOOKS_H