自学教程：C++ GetMainFrame函数代码示例

int CEditorRoot::SelectRollUpBar( int rollupBarId ){	if (GetMainFrame())		return GetMainFrame()->SelectRollUpBar( rollupBarId );	else		return 0;}

void CDirstatDoc::SetWorkingItem(CItem *item){	if (GetMainFrame() != NULL)	{		if (item != NULL)			GetMainFrame()->ShowProgress(item->GetProgressRange());		else			GetMainFrame()->HideProgress();	}	m_workingItem= item;}

void CExtensionListControl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags){    if(nChar == VK_TAB)    {        GetMainFrame()->MoveFocus(LF_DIRECTORYLIST);    }    else if(nChar == VK_ESCAPE)    {        GetMainFrame()->MoveFocus(LF_NONE);    }    COwnerDrawnListControl::OnKeyDown(nChar, nRepCnt, nFlags);}

void CMyTreeListControl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags){	if (nChar == VK_TAB)	{		GetMainFrame()->MoveFocus(LF_EXTENSIONLIST);	}	else if (nChar == VK_ESCAPE)	{		GetMainFrame()->MoveFocus(LF_NONE);	}	CTreeListControl::OnKeyDown(nChar, nRepCnt, nFlags);}

void PropPanel::OnAddTag( wxCommandEvent &event ){	GetMainFrame()->RenderingPause();	TagDlg dlg(GetMainFrame(), -1, _T("Add New Tag"));	if (dlg.ShowModal() == wxID_OK)	{		vtTag tag;		tag.name = dlg.m_strName.mb_str();		tag.value = dlg.m_strValue.mb_str();		m_pCurrentItem->AddTag(tag);		UpdateTagList();	}	GetMainFrame()->RenderingResume();}

/**  * @brief Called when "Select..." button for filters is selected. */void COpenView::OnSelectFilter(){	String filterPrefix = _("[F] ");	String curFilter;	const BOOL bUseMask = theApp.m_pGlobalFileFilter->IsUsingMask();	GetDlgItemText(IDC_EXT_COMBO, curFilter);	curFilter = string_trim_ws(curFilter);	GetMainFrame()->SelectFilter();		String filterNameOrMask = theApp.m_pGlobalFileFilter->GetFilterNameOrMask();	if (theApp.m_pGlobalFileFilter->IsUsingMask())	{		// If we had filter chosen and now has mask we can overwrite filter		if (!bUseMask || curFilter[0] != '*')		{			SetDlgItemText(IDC_EXT_COMBO, filterNameOrMask);		}	}	else	{		filterNameOrMask = filterPrefix + filterNameOrMask;		SetDlgItemText(IDC_EXT_COMBO, filterNameOrMask);	}}

/** * @brief Load line filters to the compare context. * Loads linefilters, converts them to UTF-8 and sets them for compare context. */void CDirDoc::LoadLineFilterList(){	ASSERT(m_pCtxt);		BOOL bFilters = GetOptionsMgr()->GetBool(OPT_LINEFILTER_ENABLED);	String filters = GetMainFrame()->m_pLineFilters->GetAsString();	if (!bFilters || filters.empty())	{		delete m_pCtxt->m_pFilterList;		m_pCtxt->m_pFilterList = NULL;		return;	}	if (m_pCtxt->m_pFilterList)		m_pCtxt->m_pFilterList->RemoveAllFilters();	else		m_pCtxt->m_pFilterList = new FilterList();	char * regexp_str;	FilterList::EncodingType type;	regexp_str = UCS2UTF8_ConvertToUtf8(filters.c_str());	type = FilterList::ENC_UTF8;	m_pCtxt->m_pFilterList->AddRegExp(regexp_str, type);	UCS2UTF8_Dealloc(regexp_str);}

//-----------------------------------------------------------------------------void EdProjectManager::MaybeSaveCurrentProject(){#if 0	if( m_currentProject != nil )	{		//if( m_currentProject->isDirty )		{			QMessageBox::StandardButton ret =				QMessageBox::warning(					GetMainFrame(),					TR("Application"),					//tr("The document has been modified./n"					//"Do you want to save your changes?"),					TR("Do you want to save the project?"),					QMessageBox::Save | QMessageBox::Discard //| QMessageBox::Cancel				);			if( QMessageBox::Save == ret )			{				SaveCurrentProject();			}			//else if( QMessageBox::Cancel == ret )			//{			//	return false;			//}			//m_currentProject->isDirty = false;		}	}#endif}

CWnd* CInformErrorDialog::GetSafeParent(){	CWnd *Parent = NULL;#if !defined(EXCLUDE_FROM_RALPH) && !defined(EXCLUDE_FROM_XARALX)	// if the splash box is up, use that as the parent	Parent = CSplashDialog::GetpWnd();	if (Parent)		return Parent;#endif//	WEBSTER-ranbirr-12/11/96#ifndef WEBSTER#ifndef STANDALONE	// If there is a print-related dlg up, use it as the parent	Parent = CCPrintDialog::GetPrintCWnd();	if (Parent)		return Parent;#endif#endif //webster	// see if mainframe is up - use it if visible	Parent = GetMainFrame();	if (Parent && Parent->IsWindowVisible())		return Parent;	return NULL;}

void ScribbleWindow::disp(int i){	CPMainFrame *mf = GetMainFrame();    ScribbleDocument * sdoc = (ScribbleDocument *) GetDocument();	PegRect ChildRect = mf->BottomAppRectangle();	int num;	if (!trai && i<180) num=page0[i];    else if (trai==1) num=page1[i];    else if (trai==2) num=page2[i];    else if (trai==3) num=page3[i];    else if (trai==4) num=page4[i];    if ((num==57 | num==89) && trai==1)    {    trai=4;    Draw();    Redraw();    }        else if (num)    {    CounterWindow* cwin = new CounterWindow(ChildRect,this,sdoc,mf);	OnCount();    cwin->disp(num);    sdoc->OnChangedData(this);    }	}   

void GJContext::ShowMainPanel(){	if(IsSignedIn()&&m_pMainFrame)		GetMainFrame().Appear();	else if(!IsSignedIn()&&m_pLoginFrame)		SetForegroundWindow(*m_pLoginFrame); }

// What to do when a view is created. Creates actual// windows for displaying the view.bool wxStfView::OnCreate(wxDocument *doc, long WXUNUSED(flags) ){    childFrame = wxGetApp().CreateChildFrame(doc, this);    if (childFrame==NULL) {        return false;    }    // extract file name:    wxFileName fn(doc->GetFilename());    childFrame->SetTitle(fn.GetName());    graph = GetMainFrame()->CreateGraph(this, childFrame);    if (graph==NULL) {        return false;    }    childFrame->GetMgr()->AddPane( graph, wxAuiPaneInfo().Caption(wxT("Traces")).Name(wxT("Traces")).CaptionVisible(true).            CloseButton(false).Centre().PaneBorder(true)  );    childFrame->GetMgr()->Update();    // childFrame->ActivateGraph();#if defined(__X__) || defined(__WXMAC__)    // X seems to require a forced resize    // childFrame->SetClientSize(800,600);#endif    childFrame->Show(true);    Activate(true);    return true;}

BOOL CTHRESHDlg::OnInitDialog() {	CDialog::OnInitDialog();	pCount=(CStatic*)GetDlgItem(IDC_STATIC_COUNT); 	pThresh=(CStatic*)GetDlgItem(IDC_STATIC_THRESH); 	pMax=(CStatic*)GetDlgItem(IDC_STATIC_MAX); 	pMin=(CStatic*)GetDlgItem(IDC_STATIC_MIN); 	p_Slider=(CSliderCtrl*)GetDlgItem(IDC_SLIDER);	pCount->SetWindowText("Count");	pThresh->SetWindowText("Threshold");	pMax->SetWindowText("255");	pMin->SetWindowText("0");	pView = (CImageView*)GetMainFrame()->GetActiveFrame()->GetActiveView();	// TODO: Add extra initialization here	p_Slider->SetRange(0, 255, TRUE );	p_Slider->SetTic( 50 );	p_Slider->SetTicFreq( 8 );//origin 1,1,1,now 8,4,4	p_Slider->SetLineSize( 1 );//for increment by arrow move 	p_Slider->SetPageSize( 4 );//for increment by dragging by mouse or by pageup ordown	p_Slider->SetPos( m_nCur );	curMin=m_RMin;	CString msg;	msg.Format("%.4f",m_RMin);	pMin->SetWindowText(msg);	msg.Format("%.4f",m_RMax);	pMax->SetWindowText(msg);	msg.Format("%.4f",curMin);	pThresh->SetWindowText(msg);	return TRUE;  // return TRUE unless you set the focus to a control	              // EXCEPTION: OCX Property Pages should return FALSE}

// Overridesbool PowerTabView::OnCreate(wxDocument *doc, long flags){    //------Last Checked------//    // - Jan 27, 2005    WXUNUSED(flags);        MainFrame* mainFrame = GetMainFrame();    wxCHECK(mainFrame != NULL, false);        m_frame = mainFrame->CreateChildFrame(doc, this);    wxCHECK(m_frame != NULL, false);        m_frame->SetTitle(wxT("PowerTabView"));    m_canvas = CreateCanvas(this, m_frame);    wxCHECK(m_canvas != NULL, false);    #ifdef __X__    // X seems to require a forced resize    int x, y;    m_frame->GetSize(&x, &y);    m_frame->SetSize(-1, -1, x, y);#endif    m_frame->Show(true);    Activate(true);    return (true);}

void CDirstatApp::RestartApplication( ) {	// First, try to create the suspended process		auto si = zeroInitSTARTUPINFO( );	si.cb = sizeof( si );	auto pi = zeroInitPROCESS_INFORMATION( );		auto appFileName = GetAppFileName( );	BOOL success = CreateProcess( appFileName, NULL, NULL, NULL, false, CREATE_SUSPENDED, NULL, NULL, &si, &pi );	if (!success) {		CString c = _T( "CreateProcess( " );		c += appFileName;		c += _T( ") failed: " );		c += GetLastErrorAsFormattedMessage( );		AfxMessageBox( c );		CloseHandle( pi.hProcess );		CloseHandle( pi.hThread );		return;		}	// We _send_ the WM_CLOSE here to ensure that all CPersistence-Settings like column widths an so on are saved before the new instance is resumed.	// This will post a WM_QUIT message.	GetMainFrame( )->SendMessage( WM_CLOSE );	DWORD dw = ::ResumeThread( pi.hThread );	if ( dw != 1 ) {		TRACE( _T( "ResumeThread() didn't return 1/r/n" ) );		}	CloseHandle( pi.hProcess );	CloseHandle( pi.hThread );	}

void CChildFrame::OnClose() {	// clean up pointers.	CMDIChildWnd::OnClose();	GetMainFrame()->ClearStatusbarItemCount();}

	virtual void CreateUI(const GamePtr& game, wxAuiManager& manager)	{		// Create all of the UI needed for network games.		wxWindow* frame = GetMainFrame();		wxSize minSize = wxSize(165, 150);		// Create the notebook off screen to avoid flicker.		wxSize size = frame->GetClientSize();		wxAuiNotebook* notebook = new wxAuiNotebook(frame, wxID_ANY,			wxPoint(size.x, size.y), minSize, wxAUI_NB_TOP | 			wxAUI_NB_TAB_SPLIT |wxAUI_NB_TAB_MOVE | wxAUI_NB_SCROLL_BUTTONS |			wxAUI_NB_TAB_EXTERNAL_MOVE | wxNO_BORDER);		// Chat window.		wxChatUI* chat = new wxChatUI(notebook);		notebook->AddPage(chat, stChat);        // Event window.        wxEventUI* event = new wxEventUI(notebook);        notebook->AddPage(event, stEvents);				// Spectator window.		wxSpectatorUI* spectators = new wxSpectatorUI(notebook);		notebook->AddPage(spectators, stSpectators);		manager.AddPane(notebook, wxAuiPaneInfo().MinSize(minSize)			.Caption(stNetwork).CloseButton(false)			.MaximizeButton(false).Dockable(true).Right()			.Name(swNetwork));	}

void CDirstatApp::RestartApplication(){	// First, try to create the suspended process	STARTUPINFO si;	ZeroMemory(&si, sizeof(si));	si.cb= sizeof(si);	PROCESS_INFORMATION pi;	ZeroMemory(&pi, sizeof(pi));	BOOL success = CreateProcess(GetAppFileName(), NULL, NULL, NULL, false, CREATE_SUSPENDED, NULL, NULL, &si, &pi);	if (!success)	{		CString s;		s.FormatMessage(IDS_CREATEPROCESSsFAILEDs, GetAppFileName(), MdGetWinerrorText(GetLastError()));		AfxMessageBox(s);		return;	}	// We _send_ the WM_CLOSE here to ensure that all CPersistence-Settings	// like column widths an so on are saved before the new instance is resumed.	// This will post a WM_QUIT message.	GetMainFrame()->SendMessage(WM_CLOSE);	DWORD dw= ::ResumeThread(pi.hThread);	if (dw != 1)		TRACE(_T("ResumeThread() didn't return 1/r/n"));	CloseHandle(pi.hProcess);	CloseHandle(pi.hThread);}

// Overridesbool PowerTabTuningView::OnCreate(wxDocument* doc, long flags){    //------Last Checked------//    // - Dec 30, 2004    WXUNUSED(flags);        MainFrame* mainFrame = GetMainFrame();    wxCHECK(mainFrame != NULL, false);        m_frame = mainFrame->CreateChildFrame(doc, this);    wxCHECK(m_frame != NULL, false);        m_window = CreateViewWindow();    wxCHECK(m_window != NULL, false);    #ifdef __X__    // X seems to require a forced resize    int x, y;    m_frame->GetSize(&x, &y);    m_frame->SetSize(-1, -1, x, y);#endif        m_frame->Show(true);    Activate(true);        return (true);}

// This method does some work for ticks ms.// return: true if done or suspended.//bool CDirstatDoc::Work(DWORD ticks){    if(NULL == m_rootItem)    {        return true;    }    if(GetMainFrame()->IsProgressSuspended())    {        return true;    }    if(!m_rootItem->IsDone())    {        m_rootItem->DoSomeWork(ticks);        if(m_rootItem->IsDone())        {            m_extensionDataValid = false;            GetMainFrame()->SetProgressPos100();            GetMainFrame()->RestoreTypeView();            GetMainFrame()->RestoreGraphView();            UpdateAllViews(NULL);        }        else        {            ASSERT(m_workingItem != NULL);            if(m_workingItem != NULL) // to be honest, "defensive programming" is stupid, but c'est la vie: it's safer.            {                GetMainFrame()->SetProgressPos(m_workingItem->GetProgressPos());            }            UpdateAllViews(NULL, HINT_SOMEWORKDONE);        }    }    if(m_rootItem->IsDone())    {        SetWorkingItem(NULL);        return true;    }    else    {        return false;    }}

void CDirstatDoc::OnEditCopy(){	const CItem *item= GetSelection();	ASSERT(item != NULL);	ASSERT(item->GetType() == IT_DRIVE || item->GetType() == IT_DIRECTORY || item->GetType() == IT_FILE);	GetMainFrame()->CopyToClipboard(item->GetPath());}

void CFindDlg::OnOK(){	if (!UpdateData())		return;	UpdateSearchHistory();	GetMainFrame()->SendMessage(WM_COMMAND, ID_FIND_STRING);}

void CItem::DriveVisualUpdateDuringWork(){	MSG msg;	while (PeekMessage(&msg, NULL, WM_PAINT, WM_PAINT, PM_REMOVE))		DispatchMessage(&msg);	GetMainFrame()->DrivePacman();	UpwardDrivePacman();}

wxFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas){    //// Make a child frame    wxDocChildFrame *subframe = new wxDocChildFrame(doc, view, GetMainFrame(), wxID_ANY, _T("Child Frame"),        wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);    #ifdef __WXMSW__    subframe->SetIcon(wxString(isCanvas ? _T("chrt_icn") : _T("notepad_icn")));#endif        //// Make a menubar    wxMenu *file_menu = new wxMenu;        file_menu->Append(wxID_NEW, _T("&New..."));    file_menu->Append(wxID_OPEN, _T("&Open..."));    file_menu->Append(wxID_CLOSE, _T("&Close"));    file_menu->Append(wxID_SAVE, _T("&Save"));    file_menu->Append(wxID_SAVEAS, _T("Save &As..."));        if (isCanvas)    {        file_menu->AppendSeparator();        file_menu->Append(wxID_PRINT, _T("&Print..."));        file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));        file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));    }        wxMenu *edit_menu = (wxMenu *) NULL;        if (isCanvas)    {        edit_menu = new wxMenu;        edit_menu->Append(wxID_UNDO, _T("&Undo"));        edit_menu->Append(wxID_REDO, _T("&Redo"));        edit_menu->AppendSeparator();        edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));                doc->GetCommandProcessor()->SetEditMenu(edit_menu);    }        wxMenu *help_menu = new wxMenu;    help_menu->Append(DOCVIEW_ABOUT, _T("&About"));        wxMenuBar *menu_bar = new wxMenuBar;        menu_bar->Append(file_menu, _T("&File"));    if (isCanvas)        menu_bar->Append(edit_menu, _T("&Edit"));    menu_bar->Append(help_menu, _T("&Help"));        //// Associate the menu bar with the frame    subframe->SetMenuBar(menu_bar);        subframe->Centre(wxBOTH);        return subframe;}

    virtual void HandleMainMenuClick(const wxString& key)    {        wxASSERT(swSettings == key);        wxSettingsPane* pane = new wxSettingsPane(GetMainFrame());        Controller::get().Transmit(shEventChangeMainPane,                                   DataObject(static_cast<PaneMixin*>(pane), stSettings));    }

static BOOL RunOilHelp(LPCTSTR lpcszHelpPath, UINT32 nCommand, DWORD dwData){#if !defined(EXCLUDE_FROM_XARALX)	// Firing up the help engine can take a while, so show an hour-glass cursor.	HCURSOR hOldCursor;	HCURSOR hBusyCursor = ::LoadCursor(NULL, _R(IDC_WAIT));	if (hBusyCursor != NULL) hOldCursor = ::SetCursor(hBusyCursor);	// We always pass the handle of the main-frame window as the "owning" window.	HWND hwndInvoker = GetMainFrame()->GetSafeHwnd();#endif	// If we are running on a pure 32-bit platform such as Windows NT then we must fake	// the WinHelp() function, as we want the 16-bit engine to be run, not WINHLP32.EXE.	// The current help-file build includes references to 16-bit DLLs that seem to be	// almost too much for the 32-bit engine.  We don't have to do this if we aren't	// running the engine to browse a file, but simply issuing a command, such as	// HELP_HELPONHELP.	BOOL fOk;			// Running under Chicago or Win32s, or the helpfile parameter is NULL, so run the		// "normal" engine.  Here we should really "thunk" (translate) the 32-bit HWND		// to a 16-bit HWND, I think?//		TRACEUSER( "JustinF", _T("Help being invoked normally/n"));		fOk = TRUE;		if(nCommand != HELP_QUIT)		{			wxString strHelpFileName(lpcszHelpPath);			wxString Context = _T("");			if (dwData)			{				Context = PCTSTR(String_256( dwData ));				if (_T("") != Context)					// so that the string table contains a bit less, the ::/xarax/ and .htm					// are here, because they are common to every HTML help path.					strHelpFileName += _T("xarax/") + Context + _T(".htm");			}			CCamApp::LaunchWebBrowser( strHelpFileName );		}#if !defined(EXCLUDE_FROM_XARALX)	// Get some slightly useful information if it all goes horribly wrong.#ifdef _DEBUG	if (!fOk) TRACEUSER( "Ollie", _T("RunOilHelp failed - last error: %lu/n"),										(UINT32) ::GetLastError());#endif	// Undo the hour-glass cursor and return a success code.	if (hBusyCursor != NULL) ::SetCursor(hOldCursor);#endif	return fOk;}