Re: Richedit problems

From:

=?Utf-8?B?VG9tIEJydXluZWVs?= <tombruyneel@freedownloads.be>

Newsgroups:

microsoft.public.vc.mfc

Date:

Wed, 18 Jul 2007 03:50:01 -0700

Message-ID:

<E31E40CE-AA58-4EC7-8553-519A7DD9250F@microsoft.com>

actually when I follow the provided link and execute the demo project I find
that it has the same problem. It completely ignores the pict part. Could you
send me the sample project you made? You were able to see the smiley. I'm
completely stupified now. Maybe c++ is using the wrong component?

"AliR (VC++ MVP)" wrote:

Why are you subclassing the control that way?

What happens when you use DDX_Control?

I created a sample program with a Rich Edit control in it. Loaded the rtf
data you included in the message and I could see the not so smiling smiley.

Take a look at this on how to subclass a RichEdit control. CAutoRichEditCtrl
is also a usful start to creating your own CRichEditCtrl derived class.
http://www.codeproject.com/richedit/autoricheditctrl.asp

AliR.

"Tom Bruyneel" <tombruyneel@freedownloads.be> wrote in message
news:EE447BC8-66F6-44EA-9788-08D2134B3E06@microsoft.com...

I'm making a richedit control in mfc and i'm encountering a few problems.
Let
me first situate the problem.

The control is subclassed as such

BOOL CSodeXRichTextCtrl::PreCreateWindow(CREATESTRUCT& cs)
{
cs.lpszClass = _T("RichEdit20W");

......

   return COleControl::PreCreateWindow(cs);
}

I've implemented a SelRTF property:

DWORD CALLBACK CSodeXRichTextCtrl::EditStreamCallback(DWORD_PTR dwCookie,
LPBYTE pbBuff, LONG cb, LONG *pcb)
{
   CString *pstr = (CString *)dwCookie;

   USES_CONVERSION;

   if( pstr->GetLength() < cb )
   {
       *pcb = pstr->GetLength();
       memcpy(pbBuff, T2CA((LPCTSTR)*pstr), *pcb );
       pstr->Empty();
   }
else
   {
       *pcb = cb;
       memcpy(pbBuff, T2CA((LPCTSTR)*pstr), *pcb );
       *pstr = pstr->Right( pstr->GetLength() - cb );
   }
   return 0;
}

void CSodeXRichTextCtrl::SetSelRTF(LPCTSTR newVal)
{
USES_CONVERSION;
AFX_MANAGE_STATE(AfxGetStaticModuleState());

rtftext = new CString(newVal);

EDITSTREAM es;
es.dwCookie = (DWORD)rtftext;
es.dwError = 0;
es.pfnCallback = (EDITSTREAMCALLBACK)&EditStreamCallback;

DWORD flags;
//is het rtf of gewone tekst
if (rtftext->Left(5).Compare(_T("{\\rtf")) == 0 ||
rtftext->Left(5).Compare(_T("{urtf")) == 0)
flags = SF_RTF | SFF_SELECTION;
else
flags = SF_TEXT | SFF_SELECTION;

::SendMessage(m_hWnd, EM_STREAMIN, (WPARAM) flags, (LPARAM) &es);

SetModifiedFlag();
}

This works perfect for rtf text and formatting. However the problem starts
when i want to stream in an image:

{\rtf1\ansi\ansicpg1252\deff0\deflang2067{\fonttbl{\f0\fnil\fcharset0
Onyx;}}
{\colortbl ;\red128\green128\blue128;}
\viewkind4\uc1\pard\cf1\f0\fs24 test
{\pict\wmetafile8\picw503\pich503\picwgoal285\pichgoal285
0100090000035f0300000000df02000000000400000003010800050000000b0200000000050000
000c0213001300030000001e0004000000070104000800000026060f000600544e505006014b00
0000410b8600ee0013001300000000001300130000000000280000001300000013000000010001
0000000000000000000000000000000000000000000000000000000000ffffff0003f8000407fe
00041fff00ff3fff80003fffc0087fffc0007fffe004ffffe004ffffe000ffffe000ffffe000ff
ffe0007fffe0007fffc0003fff80003fff80001fff000007fc000001f00000df020000410bc600
880013001300000000001300130000000000280000001300000013000000010008000000000000
0000000000000000000000000000000000000000000000ffffff00aadfff0055bfff0055bfd400
55dfff0055ffff00aadfd400557faa00559faa00aabfd400009fd400f0fbff00aa9faa00001f55
00001f7f00559fd400a4a0a00000bfd40000dfff0000bfff00003faa00005faa00553faa00555f
aa00007fd400557fd400aabfff00009faa00007faa00c0dcc00000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000010101010101020a0909
090a1e010101010101000101010101041012030414100b09070101010100010101071014031403
13031203041d0a0101010001011b1205140505140314050314031c0a0101000101120505041715
18100314031714031a0701fd0104050505180b0610151005191603140409010001030506051505
050504161716100314040b07000205050506050605050506050514050314100a42050506050506
050606050505050505140314094c040505060708090406060507080904050303103f0505060608
0c010905050608010109130314094c02050605090d0f08060605090e11080503120a3f01030606
080d0e09050606080f0d09050510024c0105050509010108060605090c0108050304013f010105
06020809020605060a090905050b01014c010102050606050605060606050505040201013f0101
010204050606060506050605040701010174010101010105030506060505030401010101010001
0101010101010203040302010101010101014c0800000026060f000600544e5050070104000000
2701ffff030000000000
}
test\par
}

The above text only shows me the word test (as it should) but isn't
followed
by the image. The control seems to ignore the {pict part completely. So I
get
the following output

test test

instead of

test (image) test

When I use the above rtf codes on the selRTF property of a microsoft rich
edit control ocx (vb6) the image get showed.

What aim I doing wrong?

Problem 2: when I use my control on vb form and press an arrow key to
browse
trough my text it acts as a tab key and gives focus to the next tab index.
Any ideas why?

Thank you very much