Re: CTRL + Z event handler

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 22 Apr 2008 21:43:15 GMT
Message-ID:
<TZsPj.63$506.52@newssvr27.news.prodigy.net>
P.S. How come you are not using CRichEditView?

AliR.

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:UTsPj.60$506.45@newssvr27.news.prodigy.net...

The correct approach to doing something custom with Ctrl+Z is to use a
Accelerator table.

Then you define a handler function for the accelerator that gets called
with Ctrl+Z and do your functionality there.

For example in example of CRichEditCtrl in a CView. Instead of removing
the Ctrl+Z accelerator from the table, you could have left it there, setup
a handler for that accelerator in your CView dervied class, and in the
message handler method called the edit controls Undo method.

BEGIN_MESSAGE_MAP(...)
   ON_COMMAND(ID_CTRLZ,OnCtrlZ)
END_MESSAGE_MAP()

void CMyView::OnCtrlZ()
{
   m_Edit.Undo();
}

AliR.

"foobar" <somefoobar@gmail.com> wrote in message
news:5a97a38c-cb57-4bbb-b93a-7a10b83e7374@p25g2000hsf.googlegroups.com...

Thank you! Removing ACCELERATOR key map in resource file fixed the
behavior.

Does it mean that to undo at CView (parent of CRichEditCtrl) level I
need to handle WM_CHAR message and switch on nChar to find key
combination? I could not think of any other approach, are there any
other approaches to handle CTRL + Z command?

Thank you again.

On Apr 22, 8:09 pm, Joseph M. Newcomer <newco...@flounder.com> wrote:

First, make sure you don't have a Ctrl-Z shortcut in your ACCELERATOR
resource. If you
have it, remove it.

Normally, rich edit already has undo support, so once the Ctrl+Z can get
to it, the undo
should work.
                                joe

On Mon, 21 Apr 2008 23:42:57 -0700 (PDT), somefoo...@gmail.com wrote:

Hi, I have a CRichEditCtrl window as a child window of CView class in
an MDI type application. I am trying to put undo support for text
editing but the CTRL + Z event is getting caught by the CView class
only. In CView class CTRL + Z event is handled by handling
ID_EDIT_UNDO command.

Can someone point out what I need to do to get the CTRL + Z event in
CRichEditCtrl? I tried to use message reflection but I am not sure if
I used it correctly.

Any help is appreicated.
Thanks.


Joseph M. Newcomer [MVP]
email: newco...@flounder.com
Web:http://www.flounder.com
MVP Tips:http://www.flounder.com/mvp_tips.htm

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