www.gusucode.com > VC++实现控制窗体标题栏的显示与隐藏功能-源码程序 > VC++实现控制窗体标题栏的显示与隐藏功能-源码程序/code/MainFrm.cpp

    // MainFrm.cpp : implementation of the CMainFrame class
// Download by Www.NewXing.com

#include "stdafx.h"
#include "ViewTitleBar.h"

#include "MainFrm.h"

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

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

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_VIEW_TITLE_BAR, OnViewTitleBar)
	ON_UPDATE_COMMAND_UI(ID_VIEW_TITLE_BAR, OnUpdateViewTitleBar)
	//}}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_bViewTitleBar = TRUE;
}

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: 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


void CMainFrame::OnViewTitleBar() 
{
	// 使用API实现
	m_bViewTitleBar = !m_bViewTitleBar;
	
	LONG lStyle = ::GetWindowLong(this->m_hWnd, GWL_STYLE);
	if (m_bViewTitleBar == FALSE) { // 隐藏TitleBar
		::SetWindowLong(this->m_hWnd, GWL_STYLE, lStyle & ~WS_CAPTION);
		::SetWindowPos(this->m_hWnd, NULL, 0, 0, 0, 0,
			SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
	}
	else { // 显示TitleBar
		::SetWindowLong(this->m_hWnd, GWL_STYLE, lStyle | WS_CAPTION);
		::SetWindowPos(this->m_hWnd, NULL, 0, 0, 0, 0,
			SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
	}
	/*
	// 使用CWnd成员函数ModifyStyle实现
	m_bViewTitleBar = !m_bViewTitleBar;
	if (m_bViewTitleBar == FALSE) { // 隐藏TitleBar
		ModifyStyle(WS_CAPTION, 0, SWP_FRAMECHANGED);
	}
	else { // 显示TitleBar
		ModifyStyle(0, WS_CAPTION, SWP_FRAMECHANGED);
	}*/
}

void CMainFrame::OnUpdateViewTitleBar(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_bViewTitleBar);
}