GUIIMEDelegate.h

#pragma once

namespace ParaEngine
{
    class CIMEDelegateProxy;

    class GUIIMEDelegate
    {
    public:
        virtual ~GUIIMEDelegate();
        virtual bool attachWithIME();
        virtual bool detachWithIME();
        
    protected:
        virtual bool canAttachWithIME() { return false; }

        virtual void didAttachWithIME() {}

        virtual bool canDetachWithIME() { return false; }

        virtual void didDetachWithIME() {}

        virtual void insertText(const char * text, size_t len) { }

        virtual void deleteBackward() {}

        virtual const std::string& getContentText() { return CGlobals::GetString(); }

    protected:
        GUIIMEDelegate();

        friend class CIMEDelegateProxy;
        CIMEDelegateProxy* GetIMEDelegateProxy();
#ifdef PARAENGINE_MOBILE
        std::unique_ptr<CIMEDelegateProxy> m_delegate;
#endif
    };

}