mainfrm.cpp

MFC+D3D编程：在MFC单文档界面下使用D3D9.0进行编程

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

#include "stdafx.h"
#include "MFCD3D.h"

#include "MainFrm.h"

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

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

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	//}}AFX_MSG_MAP

	ON_UPDATE_COMMAND_UI(ID_INDICATOR_DEVICE, OnUpdateDeviceStats)
	ON_UPDATE_COMMAND_UI(ID_INDICATOR_FPS,    OnUpdateFrameStats)	
	
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_DEVICE,
	ID_INDICATOR_FPS
};

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

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

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::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
	}

	// size the status bar panels
	m_wndStatusBar.SetPaneInfo(m_wndStatusBar.CommandToIndex(ID_INDICATOR_DEVICE),
							   ID_INDICATOR_DEVICE,
							   SBPS_NORMAL,
							   428);

	m_wndStatusBar.SetPaneInfo(m_wndStatusBar.CommandToIndex(ID_INDICATOR_FPS),
							   ID_INDICATOR_FPS,
							   SBPS_NORMAL,
							   50);

	// 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( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;

	cs.style &= ~FWS_ADDTOTITLE;

	return TRUE;
}

// status bar pane updater
void CMainFrame::UpdateStatusBar(DWORD dwPaneID, LPCTSTR lpszText)
{
	CString* psText;

	// force UI updates...
	switch (dwPaneID)
	{
	case ID_INDICATOR_DEVICE:	psText = &m_sDeviceStats;	break;
	case ID_INDICATOR_FPS:		psText = &m_sFrameStats;	break;
	
	default:
		return;
	}
	
	// with any extra formatting here.
	psText->Format(" %s", lpszText);

	// uncomment the next section for dynamic (content-based) pane resizing; this
	// saves guessing the required pane sizes, but it can be annoying if the text
	// extent of psText varies frequently on broad ranges...

/*	CFont* pFont	= m_wndStatusBar.GetFont();
	CFont* pOldFont = NULL;
	
	// get a client DC for dynamic resizing
	CClientDC dc((CWnd*)&m_wndStatusBar);
	
	if (pFont != NULL)
		pOldFont = dc.SelectObject(pFont);

	// get the text extent
	CSize size = dc.GetTextExtent(*psText);

	// done with DC objects and the DC
	dc.SelectObject(pOldFont);
	ReleaseDC(&dc);

	// actual horizontal resize, with some extra trailing space
	m_wndStatusBar.SetPaneInfo(m_wndStatusBar.CommandToIndex(dwPaneID), dwPaneID, SBPS_NORMAL, size.cx + 3);
*/
}


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

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

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

#endif //_DEBUG

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


void CMainFrame::OnUpdateDeviceStats(CCmdUI* pCmdUI)
{
	pCmdUI->Enable(); pCmdUI->SetText(m_sDeviceStats);
}

void CMainFrame::OnUpdateFrameStats(CCmdUI* pCmdUI)
{
	pCmdUI->Enable(); pCmdUI->SetText(m_sFrameStats);
}