mainfrm.cpp

来自「深入浅出Visual C++入门进阶与应用实例 随书光盘 作者 何志丹」· C++ 代码 · 共 156 行

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

#include "stdafx.h"
#include "Ex030201.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)
	ON_WM_CREATE()
	ON_WM_TIMER()
	ON_COMMAND(ID_SHOWTIME, OnShowtime)
	ON_UPDATE_COMMAND_UI(ID_SHOWTIME, OnUpdateShowtime)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

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

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

CMainFrame::CMainFrame()
{
	m_bShowTime = true ;	
}

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
	}
	//设置显示时间的Page的宽度
	m_wndStatusBar.SetPaneInfo(1,ID_SEPARATOR,SBPS_NORMAL,120);	
	//设置计时器,计时器ID为1,时间间隔为1秒,处理函数为OnTimer.
	m_uTimer = SetTimer(1,1000,NULL);

	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;
	// 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

void CMainFrame::OnTimer(UINT nIDEvent) 
{
	if(nIDEvent == m_uTimer)
		ShowTime();

	CFrameWnd::OnTimer(nIDEvent);
}

void CMainFrame::ShowTime()
{
	if(m_bShowTime)//显示时间
	{
		CTime t = CTime::GetCurrentTime();//取得系统时间
		CString strTime = t.Format("%Y-%m-%d %H:%M");
		//显示时间
		m_wndStatusBar.SetPaneText(1,strTime);
	}
	else//隐藏时间
	{
		m_wndStatusBar.SetPaneText(1,"");
	}
}

void CMainFrame::OnShowtime() 
{
	m_bShowTime = !m_bShowTime ;
	ShowTime();
}

void CMainFrame::OnUpdateShowtime(CCmdUI* pCmdUI) 
{
	//在菜单项前打钩或取消钩
	//按下或弹起工具栏按钮
	pCmdUI->SetCheck(m_bShowTime);	
}

void CMainFrame::OnDestroy() 
{
	//释放计时器
	if(0 != m_uTimer)
		KillTimer(m_uTimer);

	CFrameWnd::OnDestroy();	
}