Re: Stuck with Tabbed View dynamic creation

From:
nassim.bouayad.agha@gmail.com
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 26 Mar 2008 09:38:53 -0700 (PDT)
Message-ID:
<eef9deed-0bfa-4d4e-86d3-0f9fce585595@s19g2000prg.googlegroups.com>
Joseph,

Use whitespace after commas and around binary operators to make the code r=

eadable
OK

Why not use CString? There is no detectable advantage of std::string in M=

FC programs
I am used to :)

Rows of what? What does not appear? Contents of a control? What kind of=

 control?

There's not nearly enough information here to figure out what is going on.=


The view that is created is a list view.When dynamic creation,it is
simply not displayed,the frame stays blank....
This sdi application is a process memory monitor,I want to add
"watches" views dynamicaly (CProcessMemoryView)

Any idea?
I can put online the whole source code.
Regards.
Nassim.

On Mar 26, 4:27 pm, Joseph M. Newcomer <newco...@flounder.com> wrote:

Actually, it isn't called under a variety of conditions. I have to call=

 it myself, also.

More below...
On Tue, 25 Mar 2008 16:19:02 -0500, "AliR \(VC++ MVP\)" <A...@online.nospa=

m> wrote:

Why are you calling OnInitialUpdate on the view? That happens
automatically. I'm not sure what effect it would have if called twice,=

 but

I don't think that you should be calling it yourself.

AliR.

<nassim.bouayad.a...@gmail.com> wrote in message
news:1619b548-61ee-41b6-a88a-edb0bd8b327d@i7g2000prf.googlegroups.com...

Hello,
I am currently developping an application which requires dynamic view
creation in a single document interface application (SDI).
Each view is of the same type.I have based my code on a tutorial found
on CodeGuru/CodeProject.
Here is the code which creates a new "watch view":
void CMainFrame::OnWatchesNew()
{
int lViewIndex = (int)mViewsVector.size();
CRuntimeClass* lViewRuntimeClass = RUNTIME_CLASS(CProcessMemoryView);=

CCreateContext context;
context.m_pCurrentDoc = GetActiveDocument();
context.m_pCurrentFrame = this;
context.m_pLastView = GetActiveView();
context.m_pNewViewClass = lViewRuntimeClass;
context.m_pNewDocTemplate = GetActiveDocument()->GetDocTemplate();

TCITEM lItem={0};
if(mTabCtrl.InsertItem(lViewIndex,&lItem)==-1)


***
Use whitespace after commas and around binary operators to make the code r=

eadable

***>> return;

CView*
pView=DYNAMIC_DOWNCAST(CView,CreateView(&context,AFX_IDW_PANE_FIRST
+lViewIndex+1));
if(NULL==pView)
{
return;
}
mViewsVector.push_back(pView);
CProcessMemoryDoc* lDocument =
static_cast<CProcessMemoryDoc*>(GetActiveDocument());
std::basic_string<TCHAR> lWatchName = lDocument-

GetAvailableWatchName();


****
Why not use CString? There is no detectable advantage of std::string in=

 MFC programs

****

lItem.mask = TCIF_TEXT;
lItem.pszText = (LPWSTR)lWatchName.c_str();
mTabCtrl.SetItem(lViewIndex,&lItem);
lDocument->AddWatch(lWatchName);
int nCurSel=mTabCtrl.GetCurSel();
if(nCurSel!=-1)
{
mViewsVector[nCurSel]->ShowWindow(SW_HIDE);
}
mTabCtrl.SetCurSel(lViewIndex);
pView->ShowWindow(SW_SHOW);
pView->OnInitialUpdate();
pView->SetActiveWindow();
RecalcLayout();
SetActiveView(pView);
RepositionWindows();

}
with:
void
CMainFrame::RepositionWindows()
{
if(NULL==mTabCtrl.m_hWnd)
return;

CView* p = GetActiveView();
if(NULL==p)
return;
if(NULL==p->m_hWnd)
return;

CRect r;
mTabCtrl.GetClientRect(r);

mTabCtrl.AdjustRect(FALSE,r);
mTabCtrl.ClientToScreen(r);
ScreenToClient(r);

p->MoveWindow(r,TRUE);

}
The problem is that the new view is not refreshed correctly (rows does
not appear,....),I have tried nearly everything,with no success...


****
Rows of what? What does not appear? Contents of a control? What k=

ind of control?

There's not nearly enough information here to figure out what is going on.=

I've used code similar to the code you show to create alternative views in=

 MDI, but I

rarely write SDI apps, so I have little experience with these.
****

If I defines views in the OnCreateClient functions,it works well :
BOOL
CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext*
pContext)
{
CRuntimeClass* lViewRuntimeClass = RUNTIME_CLASS(CProcessMemoryView);=

 mTabFont.CreateFont(12, 0, 0, 0, FW_NORMAL, FALSE, FALSE,
0,ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH, _T("Arial"));

// Create tab control
if(!mTabCtrl.Create(WS_CHILD|WS_VISIBLE|
TCS_BOTTOM,CRect(0,0,0,0),this,AFX_IDW_PANE_FIRST))
return FALSE;

mTabCtrl.SetFont(&mTabFont,TRUE);

TCITEM lItem={0};
if(mTabCtrl.InsertItem(0,&lItem)==-1)
return FALSE;

pContext->m_pNewViewClass=lViewRuntimeClass;
CWnd* pView=CreateView(pContext,AFX_IDW_PANE_FIRST+1);
if(NULL==pView)
{
TRACE("CMainFrame::OnCreateClient -E- can not create view\r");
return FALSE;
}
mViewsVector.push_back(DYNAMIC_DOWNCAST(CView,pView));
SetActiveView(DYNAMIC_DOWNCAST(CView,pView));
CProcessMemoryDoc* lDocument =
static_cast<CProcessMemoryDoc*>(GetActiveDocument());
std::basic_string<TCHAR> lWatchName = lDocument-

GetAvailableWatchName();


lItem.mask = TCIF_TEXT;
lItem.pszText = (LPWSTR)lWatchName.c_str();
mTabCtrl.SetItem(0,&lItem);
lDocument->AddWatch(lWatchName);

return true;
}
Any idea?
Thank you in advance.
Nassim.


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