C++ MSG_MAP marcro -> Mixin

[BLS]

BLS schrieb:
> Hi,
> MFC and wxWidgets are supporting MESSAGEMAPS macros. I would like to 
> port them to D.
> 
> class CMsg
> {
> public:
> 
>     virtual BOOL NewMsgProc(HWND hWnd, UINT uID, WPARAM wParam, LPARAM 
> lParam,LRESULT lResult)
>     {
>         return FALSE;
>     }
> };
> 
> Okay, here iy goes ....
> #define BEGIN_MSG_MAP() \
> public: \
>     virtual BOOL NewMsgProc(HWND hWnd, UINT uID, WPARAM wParam, LPARAM 
> lParam,LRESULT& lResult) \
>     { \
>        
> #define ON_MESSAGE(Msg, vfunc) \
>     if(uID == Msg) \
>     { \
>         vfunc(uID, wParam, lParam); \
>         lResult = 0; \
>         return TRUE; \
>     }
> 
> #define ON_MESSAGE_RANGE(MsgF, MsgL, vfunc) \
>     if(uID >= MsgF && uID <= MsgL) \
>     { \
>         lResult=vfunc(uID, wParam, lParam); \
>         return TRUE; \
>     }
> 
> #define ON_COMMAND_CONTROL(iControl, iEvent, vfunc) \
>     if(uID == WM_COMMAND && iControl == LOWORD(wParam) && iEvent == 
> HIWORD(wParam)) \
>     { \
>         vfunc(HIWORD(wParam), LOWORD(wParam), (HWND)lParam); \
>         lResult = 0; \
>         return TRUE; \
>     }
> 
> and so on....
> 
> Is it possible to replace this C++ Macros with D2 Mixins and compile 
> time manipulation of strings ?
> How ?
> Thanks, Bjoern

And I really wonder myself how to (probabely) replace this stuff using 
Tango's Signal Slot implementation.... but I guess I miss something;