mainfrm.cpp

西安电子科技大学王亚民教授所著《组态软件设计与开发》附带的源代码07章

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Waves.h"
#include "wave.h"
#include "wavesdoc.h"
#include "wavsvw.h"
#include "wavdvw.h"
#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_VIEW_DATA, OnViewData)
	ON_COMMAND(ID_VIEW_SAMPLES, OnViewSamples)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
static UINT BASED_CODE buttons[] =
{
    // same order as in the bitmap 'toolbar.bmp'
    ID_FILE_OPEN,
        ID_SEPARATOR,
    ID_FILE_PLAY,
    ID_FILE_STOP,
        ID_SEPARATOR,
    ID_APP_ABOUT,
};

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CMDIFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CMDIFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CMDIFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

void CMainFrame::CreateOrActivateFrame(CDocTemplate* pTemplate,
                                       CRuntimeClass* pViewClass)
{
    CMDIChildWnd* pMDIActive = MDIGetActive();
    ASSERT(pMDIActive);
    CDocument* pDoc = pMDIActive->GetActiveDocument();
    ASSERT(pDoc);
    CView* pView;
    POSITION pos = pDoc->GetFirstViewPosition();
    while (pos) {
        pView = pDoc->GetNextView(pos);
        if (pView->IsKindOf(pViewClass)) {
            pView->GetParentFrame()->ActivateFrame();
            return; // Found one
        }
    }
    // Need a new one
    CMDIChildWnd* pNewFrame = (CMDIChildWnd*)
        (pTemplate->CreateNewFrame(pDoc, NULL));
    if (!pNewFrame) return;
    ASSERT(pNewFrame->IsKindOf(RUNTIME_CLASS(CMDIChildWnd)));
    pTemplate->InitialUpdateFrame(pNewFrame, pDoc);
}


void CMainFrame::OnViewData() 
{
    CreateOrActivateFrame(theApp.m_pWaveDataViewTemplate,
                          RUNTIME_CLASS(CWaveDataView));
	
}

void CMainFrame::OnViewSamples() 
{
    CreateOrActivateFrame(theApp.m_pWaveSampleViewTemplate,
                          RUNTIME_CLASS(CWaveSampleView));
	
}