mainframe.cpp

vc++网络程序设计实例详解 人民邮电出版社1-2章源码

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

#include "stdafx.h"
#include "RemoteAdmin.h"
#include "MainFrame.h"
#include "MachineView.h"
#include "RemoteAdminView.h"
#include "RemoteAdminDoc.h"
#include "GlobalMFCHelperFunc.h"
#include "TimeSettings.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)
	ON_WM_CREATE()
	ON_WM_CLOSE()
	ON_COMMAND(ID_SETTINGS_TIMERS, OnSettingsTimers)
	ON_COMMAND(ID_FILE_ADD_MACHINE, OnAddMachine)
	ON_COMMAND(ID_MACHINEOPTIONS_ADD_MACHINE, OnAddMachine)
	ON_COMMAND(ID_MACHINEOPTIONS_DELETE_MACHINE, OnDeleteMachine)
	ON_COMMAND(ID_SETTINGS_WINDOW_ALWAYSONTOP, OnWindowAlwaysOnTop)
    ON_UPDATE_COMMAND_UI(ID_SETTINGS_WINDOW_ALWAYSONTOP, OnUpdateWindowAlwaysOnTop)
	//}}AFX_MSG_MAP
	ON_UPDATE_COMMAND_UI_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnUpdateViewStyles)
	ON_COMMAND_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnViewStyle)
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()
{
	m_bWindowOnTop = FALSE;
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

    // Commented by Prateek Kaul on May 21, 2003
    // Currently no dialog bar required
    /*
	if (!m_wndDlgBar.Create(this, IDR_MAINFRAME, 
		CBRS_ALIGN_TOP, AFX_IDW_DIALOGBAR))
	{
		TRACE0("Failed to create dialogbar\n");
		return -1;		// fail to create
	}
    */
    
	if (!m_wndReBar.Create(this) ||
		!m_wndReBar.AddBar(&m_wndToolBar) /*||
		!m_wndReBar.AddBar(&m_wndDlgBar)*/)
	{
		TRACE0("Failed to create rebar\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
	m_wndToolBar.SetBarStyle(m_wndToolBar.GetBarStyle() |
		CBRS_TOOLTIPS | CBRS_FLYBY);
    
    // By default keep the window on top, no matter what
    if (m_bWindowOnTop != FALSE)
    {
        this->SetWindowPos(&wndTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
    }

	//CRemoteAdminApp* pApp = static_cast<CRemoteAdminApp*>(::AfxGetApp());
	(MFC_DocView::GetApp())->CreateAndShowSystemTrayIcon();
	
	return 0;
}

BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT /*lpcs*/,
	CCreateContext* pContext)
{

    CRect rcClient;
    GetClientRect(rcClient);

    // Machine view's width is 25% of the mainframe's client rectangle
    int nMachineViewWidth  = 0.25 * rcClient.Width();
    int nMachineViewHeight = rcClient.Height();


    // The RemoteAdmin view's width is the remaining
    int nRemoteAdminViewWidth  = rcClient.Width() - nMachineViewWidth;
    int nRemoteAdminViewHeight = rcClient.Height();
	
    // create splitter window
	if (!m_wndSplitter.CreateStatic(this, 1, 2))
		return FALSE;

	if (!m_wndSplitter.CreateView(0, 0, RUNTIME_CLASS(CMachineView), CSize(nMachineViewWidth, nMachineViewHeight), pContext) ||
		!m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(CRemoteAdminView), CSize(nRemoteAdminViewWidth, nRemoteAdminViewHeight), pContext))
	{
		m_wndSplitter.DestroyWindow();
		return FALSE;
	}

	
	return TRUE;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::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
{
	CFrameWnd::AssertValid();
}

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

#endif //_DEBUG

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

CRemoteAdminView* CMainFrame::GetRightPane()
{
	CWnd* pWnd = m_wndSplitter.GetPane(0, 1);
	CRemoteAdminView* pView = DYNAMIC_DOWNCAST(CRemoteAdminView, pWnd);
	return pView;
}

void CMainFrame::OnUpdateViewStyles(CCmdUI* pCmdUI)
{
	// TODO: customize or extend this code to handle choices on the
	// View menu.

	CRemoteAdminView* pView = GetRightPane(); 

	// if the right-hand pane hasn't been created or isn't a view,
	// disable commands in our range

	if (pView == NULL)
		pCmdUI->Enable(FALSE);
	else
	{
		DWORD dwStyle = pView->GetStyle() & LVS_TYPEMASK;

		// if the command is ID_VIEW_LINEUP, only enable command
		// when we're in LVS_ICON or LVS_SMALLICON mode

		if (pCmdUI->m_nID == ID_VIEW_LINEUP)
		{
			if (dwStyle == LVS_ICON || dwStyle == LVS_SMALLICON)
				pCmdUI->Enable();
			else
				pCmdUI->Enable(FALSE);
		}
		else
		{
			// otherwise, use dots to reflect the style of the view
			pCmdUI->Enable();
			BOOL bChecked = FALSE;

			switch (pCmdUI->m_nID)
			{
			case ID_VIEW_DETAILS:
				bChecked = (dwStyle == LVS_REPORT);
				break;

			case ID_VIEW_SMALLICON:
				bChecked = (dwStyle == LVS_SMALLICON);
				break;

			case ID_VIEW_LARGEICON:
				bChecked = (dwStyle == LVS_ICON);
				break;

			case ID_VIEW_LIST:
				bChecked = (dwStyle == LVS_LIST);
				break;

			default:
				bChecked = FALSE;
				break;
			}

			pCmdUI->SetRadio(bChecked ? 1 : 0);
		}
	}
}


void CMainFrame::OnViewStyle(UINT nCommandID)
{
	// TODO: customize or extend this code to handle choices on the
	// View menu.
	CRemoteAdminView* pView = GetRightPane();

	// if the right-hand pane has been created and is a CRemoteAdminView,
	// process the menu commands...
	if (pView != NULL)
	{
		DWORD dwStyle = -1;

		switch (nCommandID)
		{
		case ID_VIEW_LINEUP:
			{
				// ask the list control to snap to grid
				CListCtrl& refListCtrl = pView->GetListCtrl();
				refListCtrl.Arrange(LVA_SNAPTOGRID);
			}
			break;

		// other commands change the style on the list control
		case ID_VIEW_DETAILS:
			dwStyle = LVS_REPORT;
			break;

		case ID_VIEW_SMALLICON:
			dwStyle = LVS_SMALLICON;
			break;

		case ID_VIEW_LARGEICON:
			dwStyle = LVS_ICON;
			break;

		case ID_VIEW_LIST:
			dwStyle = LVS_LIST;
			break;
		}

		// change the style; window will repaint automatically
		if (dwStyle != -1)
			pView->ModifyStyle(LVS_TYPEMASK, dwStyle);
	}
}

void CMainFrame::OnAddMachine() 
{
    (MFC_DocView::GetMachineView())->OnAddMachine();
}

void CMainFrame::ActivateFrame(int nCmdShow) 
{
	// Show full screen without flicker
    CFrameWnd::ActivateFrame(SW_MAXIMIZE);
}

void CMainFrame::OnDeleteMachine() 
{
    MFC_DocView::GetMachineView()->OnDeleteMachine();	
}

void CMainFrame::OnClose() 
{
    extern BOOL g_bUpdateProcessList;
	g_bUpdateProcessList = FALSE;
	
	CFrameWnd::OnClose();
}

void CMainFrame::OnSettingsTimers() 
{
    extern UINT g_iShutdownDelay;
    extern UINT g_iUpdateProcessDelay;

	CTimeSettingsDlg dlgTimeSettings;

    // Convert from milli secs to secs for display purposes
    dlgTimeSettings.m_iProcessRefresh = g_iUpdateProcessDelay/1000.0;
    dlgTimeSettings.m_iShutdownDelay  = g_iShutdownDelay/1000.0;

    if (dlgTimeSettings.DoModal() == IDOK)
    {
        // Convert to milli secs from secs for actual calculation purposes
        g_iShutdownDelay      = dlgTimeSettings.m_iShutdownDelay  * 1000;
        g_iUpdateProcessDelay = dlgTimeSettings.m_iProcessRefresh * 1000;
    }
}

void CMainFrame::OnWindowAlwaysOnTop() 
{
    // Keep on top no matter what
    if (m_bWindowOnTop == FALSE)
    {
        this->SetWindowPos(&wndTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
        m_bWindowOnTop = TRUE;
    }
    else
    {
        this->SetWindowPos(&wndNoTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
        m_bWindowOnTop = FALSE;
    }
}


void CMainFrame::OnUpdateWindowAlwaysOnTop(CCmdUI* pCmdUI)
{
    if (m_bWindowOnTop == TRUE)
    {
        pCmdUI->SetCheck(TRUE);
    }
    else
    {
        pCmdUI->SetCheck(FALSE);
    }
}