mainfrm.cpp

不好意思

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

#include "stdafx.h"
#include "Ex24a.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	ON_WM_CREATE()
    ON_WM_QUERYNEWPALETTE()
    ON_WM_PALETTECHANGED()
END_MESSAGE_MAP()

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: Remove this if you don't want tool tips or a resizeable toolbar
	m_wndToolBar.SetBarStyle(m_wndToolBar.GetBarStyle() |
		CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);

	// 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


BOOL CMainFrame::OnQueryNewPalette()
{
	TRACE("CMainFrame::OnQueryNewPalette\n");
	CClientDC dc(this);
	// don't bother if we're not using a palette
	if((dc.GetDeviceCaps(RASTERCAPS) & RC_PALETTE) == 0) return TRUE;
	// deterimine the active view
	HWND hActiveView = NULL;
	CFrameWnd* pActiveFrm = GetActiveFrame();
	if(pActiveFrm != NULL) {
		CView* pActiveView = pActiveFrm->GetActiveView();
		if(pActiveView != NULL) {
			hActiveView = pActiveView->GetSafeHwnd();
		}
	}
	// iterate through all views
	BOOL bBackground;
	CView* pView;
	CDocument* pDoc;
	CDocTemplate* pTemplate;
	POSITION posView;
	POSITION posDoc;
	POSITION posTemplate = AfxGetApp()->GetFirstDocTemplatePosition();
	while(posTemplate != NULL) {
		pTemplate = AfxGetApp()->GetNextDocTemplate(posTemplate);
		posDoc = pTemplate->GetFirstDocPosition();
		while(posDoc != NULL) {
			pDoc = pTemplate->GetNextDoc(posDoc);
			posView = pDoc->GetFirstViewPosition();
			while(posView != NULL) {
				pView = pDoc->GetNextView(posView);
				bBackground = !(hActiveView == pView->GetSafeHwnd());
				// bacground mode if view is not the active view
				pView->SendMessage(WM_VIEWPALETTECHANGED, bBackground);
			}
		}

	}
	
	return TRUE;
}

void CMainFrame::OnPaletteChanged(CWnd* pFocusWnd)
{
	TRACE("CMainFrame::OnPaletteChanged\n");
	if(GetSafeHwnd() != pFocusWnd->GetSafeHwnd()) {
		OnQueryNewPalette();
	}
}