WM_CUT & WM_PASTE Messages in Dialog Box

[skoutso]

Hi all,

I have a CDialog derived class that contains a number of Edit controls. Dialog is modal.
I want to capture the WM_CUT, WM_CLEAR, WM_PASTE Messages to anyone of the edit controls and apply a common routine before these messages are dispatched to their owners.
I was puzzled a lot with the ON_NOTIFY_RANGE etc. but without any success.

I use already the PresTranslateMessage function to capture keyborad events, but this does not work for the CUT,PASTE,CLEAR messages.

Is there any easy way to do this? A sample code would be very usefull.

Thanks

[ovidiucucu]

Derive your own class from CEdit and override WindowProc.

LRESULT CMyEdit::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
    switch(message)
    {
    case WM_PASTE:
        TRACE0("\nWM_PASTE");
        break;
    case WM_CUT:
        TRACE0("\nWM_CUT");
        break;
    // ...
    }
    return CEdit::WindowProc(message, wParam, lParam);
}

[skoutso]

Many thanks for your reply,

I understand that I have to create a CEdit class for each one of the edit controls? Is that right?
Isn't there any way to avoid this?

[VictorN]

I understand that I have to create a CEdit class for each one of the edit controls? Is that right?
Isn't there any way to avoid this?

Why "to avoid it"?
Creating a new class derived from CEdit is the only correct way! Why are you afraid it?

PS: I wouldn't override the WindowProc in the derived class; instead I'd create message handlers for WM_PASTE, WM_CUT and so on...

[ovidiucucu]

PS: I wouldn't override the WindowProc in the derived class; instead I'd create message handlers for WM_PASTE, WM_CUT and so on...

@To VictorN: Right. Overriding WindowProc can become a mess, so your solution is a little bit more elegant.

@To skoutso: As VictorN suggested, you can map handlers for WM_CUT, WM_PASTE, and so on as follows:

class CMyEdit : public CEdit
{
// ...
    afx_msg LRESULT OnCopy(WPARAM wParam, LPARAM lParam);
// ...
};

   //...
   ON_MESSAGE(WM_COPY, &CMyEdit::OnCopy)
   // ...
END_MESSAGE_MAP()

LRESULT CMyEdit::OnCopy(WPARAM wParam, LPARAM lParam)
{
    // ...
    return 0;
}
// ...

[skoutso]

To VictorN

I was trying to find a way "to avoid" writing too much and messing with the code for something that might be simple.

To ovidiocucu

I agree. It's better to map messages (a VictorN suggested) than overriding the WindowsProc

Thank you both.

[VictorN]

To VictorN

I was trying to find a way "to avoid" writing too much and messing with the code for something that might be simple.

There is no any other more simpler way than to derive a new class.