mainfrm.cpp

vc开发300问源码

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

#include "stdafx.h"
#include "FullScreen.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_COMMAND(ID_FULL_SCREEN, OnFullScreen)
	ON_WM_GETMINMAXINFO()
	//}}AFX_MSG_MAP
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_bFullScreen = FALSE;
}

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
	}

	// 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;
	// 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::OnFullScreen() 
{
	GetWindowPlacement(&m_OldWndPlacement);
	CRect WindowRect;
	GetWindowRect(&WindowRect);
	CRect ClientRect;
	RepositionBars(0, 0xffff, AFX_IDW_PANE_FIRST, reposQuery,&ClientRect);
	ClientToScreen(&ClientRect);

	//获取屏幕的分辨率
	int nFullWidth=GetSystemMetrics(SM_CXSCREEN);
	int nFullHeight=GetSystemMetrics(SM_CYSCREEN);

	/*将除控制条外的客户区全屏显示到从(0,0)到
	(nFullWidth, nFullHeight)区域,将(0,0)和(nFullWidth, nFullHeight)
	两个点外扩充原窗口和除控制条之外的客户区位置间的差值, 
	就得到全屏显示的窗口位置*/
	m_FullScreenRect.left=WindowRect.left-ClientRect.left;
	m_FullScreenRect.top=WindowRect.top-ClientRect.top;
	m_FullScreenRect.right=WindowRect.right - ClientRect.right+nFullWidth;
	m_FullScreenRect.bottom=WindowRect.bottom - ClientRect.bottom+nFullHeight;

	//设置全屏显示标志为 TRUE
	m_bFullScreen=TRUE;

	//进入全屏显示状态
	WINDOWPLACEMENT wndpl;
	wndpl.length=sizeof(WINDOWPLACEMENT);
	wndpl.flags=0;
	wndpl.showCmd=SW_SHOWNORMAL;
	wndpl.rcNormalPosition=m_FullScreenRect;
	SetWindowPlacement(&wndpl);
}

void CMainFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) 
{
	if(m_bFullScreen)
	{
		lpMMI->ptMaxSize.x=m_FullScreenRect.Width();
		lpMMI->ptMaxSize.y=m_FullScreenRect.Height();
		lpMMI->ptMaxPosition.x=m_FullScreenRect.Width();
		lpMMI->ptMaxPosition.y=m_FullScreenRect.Height();
		//最大的Track尺寸也要改变
		lpMMI->ptMaxTrackSize.x=m_FullScreenRect.Width();
		lpMMI->ptMaxTrackSize.y=m_FullScreenRect.Height();
	}
	CFrameWnd::OnGetMinMaxInfo(lpMMI);
}

void CMainFrame::EndFullScreen()
{
	if(m_bFullScreen)
	{
		//退出全屏显示, 恢复原窗口显示
		ShowWindow(SW_HIDE);
		SetWindowPlacement(&m_OldWndPlacement);
	}
}