menubar.cpp

这是一个串口监视程序

/****************************************************************************
 *																			*		 
 *								GuiToolKit  								*	
 *							 (MFC extension)								*			 
 * Created by Francisco Campos G. www.beyondata.com [e-mail]	*
 *--------------------------------------------------------------------------*		   
 *																			*
 * This program is free software;so you are free to use it any of your		*
 * applications (Freeware, Shareware, Commercial),but leave this header		*
 * intact.																	*
 *																			*
 * These files are provided "as is" without warranty of any kind.			*
 *																			*
 *			       GuiToolKit is forever FREE CODE !!!!!					*
 *																			*
 *--------------------------------------------------------------------------*
 *																			*
 * Bug Fixes and improvements : (Add your name)								*
 * -Francisco Campos														*				
 * -igor1960																*	
 ****************************************************************************/


//
// Class	:  CMenuBar
// 
// Version	: 1.0
// 
// Created	: Jan 14, 2001        
//
// Last Modified: Francisco Campos. 
//
// CMenuBar class version 2.12
//		simulates a Dev Studio style dockable menu bar.
//		based on PixieLib written by Paul DiLascia<www.dilascia.com>
//
// version history
//		2.12 : support OLE menu carelessly.
//		2.11 : WindowMenu fixed by VORGA.
//		2.10 : CMenuDockBar's problem fixed again and again.
//		2.08 : give up precise ComputeMenuTrackPoint
//		2.07 : Sychronizing with frame activation problem fixed
//		2.06 : CMenuItem::ComputeMenuTrackPoint fixed a little
//		2.05 : CMenuDockBar fixed
//			 : Inactive state problem fixed
//		2.04 : bug with ::TrackPopupEx carelessly fixed 
//           : synchronizing TrackPopup animation with win98 effect
//
//						written by MB <[e-mail]> 1999.11.27
//
//
//
// CMenuBar version 2.13

#include "stdafx.h"
#include "..\header\MenuBar.h"
#include "..\header\GuiDockContext.h"
#include <afxole.h>
#include "..\header\menubar.h"

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

#ifdef _DEBUG
	const BOOL bTraceOn = FALSE;
	#define LTRACE if (bTraceOn) TRACE
	const BOOL bTraceOn2 = TRUE;
	#define LTRACE2 if (bTraceOn2) TRACE
#else
	#define LTRACE
	#define LTRACE2
#endif

BOOL bActivSystemMenu;
//////////////////////////////////////////////////////////////////////
// I've found string resource of "More windows" in "user.exe".
// But I can't load it, so please replace a following with your language.
static const TCHAR _szMoreWindows[] = _T("&More windows...");

//////////////////////////////////////////////////////////////////////
// used for OLE menu (easy fix)
static BOOL _bWindowMenuSendCmd = FALSE;
static int _nPrevIndexForCmd = -1;

//////////////////////////////////////////////////////////////////////
// hook
static CMenuBar* g_pMenuBar = NULL;
static HHOOK	 g_hMsgHook = NULL;

// message
const UINT CMenuBar::WM_GETMENU = ::RegisterWindowMessage(_T("CMenuBar::WM_GETMENU"));
const UINT MB_SET_MENU_NULL = ::RegisterWindowMessage(_T("CMenuBar::MB_SET_MENU_NULL"));

const int cxBorder2 = ::GetSystemMetrics(SM_CXBORDER)*2;
const int cyBorder2 = ::GetSystemMetrics(SM_CYBORDER)*2;

// common resources
static CFont _fontHorzMenu, _fontVertMenu;
static int _cyHorzFont, _cyMenuOnBar, _cyTextMargin;
const int CXTEXTMARGIN = 5;

DWORD dSt;
COLORREF   m_clrFace;

int		gbintHorz;			//Horz=0, Vert=1
CRect	rcMenu;					//CRect of button
static BOOL _InitCommonResources(BOOL bForce = FALSE)
{
	if (bForce == FALSE && _fontHorzMenu.m_hObject != NULL)
		return TRUE;// no need to reinitialize

	// clean up
	_fontHorzMenu.DeleteObject();
	_fontVertMenu.DeleteObject();

	// create fonts
	NONCLIENTMETRICS info; info.cbSize = sizeof(info);
	::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(info), &info, 0);
	if (!_fontHorzMenu.CreateFontIndirect(&info.lfMenuFont))
		return FALSE;

	// create vertical font
	info.lfMenuFont.lfEscapement = -900;
	info.lfMenuFont.lfOrientation = -900;
	strcpy(info.lfMenuFont.lfFaceName,"verdana");
	if (!_fontVertMenu.CreateFontIndirect(&info.lfMenuFont))
		return FALSE;

	// get font height
	_cyHorzFont = abs(info.lfMenuFont.lfHeight);

	// calc Y text margin
	_cyMenuOnBar = info.iMenuHeight;
	_cyMenuOnBar = max(_cyMenuOnBar, ::GetSystemMetrics(SM_CYSMICON));
	_cyTextMargin = (_cyMenuOnBar - _cyHorzFont) / 2;

	return TRUE;
}

// I wanted to control popup point, but I've fount we can never get popupmenu rect before popup.
// even if not owner draw menu...




static CPoint _ComputeMenuTrackPoint(const CRect& rcItem, DWORD dwStyle, UINT& fuFlags, TPMPARAMS& tpm)
{
	fuFlags = TPM_LEFTBUTTON | TPM_LEFTALIGN | TPM_HORIZONTAL;
	tpm.cbSize = sizeof(tpm);
	CPoint pt;
	CRect& rcExclude = (CRect&)tpm.rcExclude;
	CWnd::GetDesktopWindow()->GetWindowRect(&rcExclude);

	CRect rcFrame;
	AfxGetMainWnd()->GetWindowRect(&rcFrame);

	switch (dwStyle & CBRS_ALIGN_ANY) {
	case CBRS_ALIGN_RIGHT:
	case CBRS_ALIGN_LEFT:
		pt = CPoint(rcItem.right+1, rcItem.top-1);
		// to avoid strange menu flip, won't do : [rcExclude.right = rcItem.right+1;]
		// I want to use : fuFlags |= TPM_HORNEGANIMATION;
		break;

	default: //	case CBRS_ALIGN_TOP:
		// changed by Manfred Drasch - start
		CRect rcTmpItem;
		rcTmpItem = rcItem;
		if(rcTmpItem.left < 0)
		{
			rcTmpItem.right = rcTmpItem.Width();
			rcTmpItem.left = 0;
		}
		
		if(rcTmpItem.left > rcExclude.right)
		{
			rcTmpItem.right = rcExclude.right; 
			rcTmpItem.left = rcTmpItem.right-rcTmpItem.Width();
		}
		pt = CPoint(rcTmpItem.left-1, rcTmpItem.bottom);
		rcExclude.bottom = rcTmpItem.bottom+1;// <- insead of [fuFlags |= TPM_VERPOSANIMATION;]
		// changed by Manfred Drasch - end
		break;
	}
	return pt;
}


//******************************************************************
static int _CalcTextWidth(const CString& strText)
{
	CWindowDC dc(NULL);
	CRect rcText(0, 0, 0, 0);
	CFont* pOldFont = dc.SelectObject(&_fontHorzMenu);
	dc.DrawText(strText, &rcText, DT_SINGLELINE | DT_CALCRECT);
	dc.SelectObject(pOldFont);

	return rcText.Width();
}

//******************************************************************
// grippers pasted from MFC6
#define CX_GRIPPER  3
#define CY_GRIPPER  3
#define CX_BORDER_GRIPPER 2
#define CY_BORDER_GRIPPER 2
#define CX_GRIPPER_ALL CX_GRIPPER + CX_BORDER_GRIPPER*2
#define CY_GRIPPER_ALL CY_GRIPPER + CY_BORDER_GRIPPER*2

/////////////////////////////////////////////////////////////////////////////
// CMenuBar
BEGIN_MESSAGE_MAP(CMenuBar, CControlBar)
	//{{AFX_MSG_MAP(CMenuBar)
	ON_WM_LBUTTONDOWN()
	ON_WM_RBUTTONDOWN()
	ON_WM_MOUSEMOVE()
	ON_WM_CREATE()
	ON_WM_LBUTTONUP()
	ON_WM_TIMER()
	ON_WM_DESTROY()
	ON_WM_NCCALCSIZE()
	ON_WM_NCPAINT()
	ON_WM_NCHITTEST()
	ON_WM_SIZE()
	ON_WM_SETCURSOR()
	ON_WM_SYSCOLORCHANGE()
	//}}AFX_MSG_MAP
	ON_REGISTERED_MESSAGE(MB_SET_MENU_NULL, OnSetMenuNull)
	ON_WM_PAINT()
END_MESSAGE_MAP()

IMPLEMENT_DYNAMIC(CMenuBar, CControlBar)

/////////////////////////////////////////////////////////////////////////////
// CMenuBar Construction
CMenuBar::CMenuBar()
{
	m_nCurIndex  = -1;
	m_nTrackingState = none;
	m_bProcessRightArrow = m_bProcessLeftArrow = TRUE;
	m_bIgnoreAlt = FALSE;
	m_hMenu = NULL;
	m_nIDEvent = NULL;
	szNameHistory.Empty();
	bSaveHistory=FALSE;
	m_bChangeState=FALSE;
	m_bMDIMaximized = FALSE;
	m_hWndMDIClient = NULL;
	m_hWndActiveChild = NULL;

	m_pMenuIcon = NULL;
	m_pMenuControl = NULL;

	m_bDelayedButtonLayout = TRUE;
	m_dwExStyle = 0;

	m_bFrameActive = FALSE;
	m_bMDIApp = FALSE;
	m_style = Office97;  //by default
	m_bXP=FALSE;
	cmb=NULL;
	m_bCombo=FALSE;//combobox by default
	bIsTabbed=FALSE;
	m_MenuContext=NULL;
}

//******************************************************************
BOOL CMenuBar::Create(CWnd* pParentWnd, DWORD dwStyle, UINT nID)
{
	return CreateEx(pParentWnd, dwStyle,
		CRect(m_cxLeftBorder, m_cyTopBorder, m_cxRightBorder, m_cyBottomBorder), nID);
	
}

//******************************************************************
BOOL CMenuBar::CreateEx(CWnd* pParentWnd, DWORD dwStyle, CRect rcBorders, UINT nID)
{
	ASSERT_VALID(pParentWnd);// must have a parent
	ASSERT (!((dwStyle & CBRS_SIZE_FIXED) && (dwStyle & CBRS_SIZE_DYNAMIC)));

	SetBorders(rcBorders);

	// save the original style
	m_dwExStyle = dwStyle;

	// save the style
	m_dwStyle = (dwStyle & CBRS_ALL);// ******fixed by Mark Gentry, thanx!******
	
	dwStyle &= ~CBRS_ALL;
	dwStyle|=WS_CLIPCHILDREN | CCS_NOPARENTALIGN | CCS_NOMOVEY | CCS_NORESIZE;
	CString strClass = AfxRegisterWndClass(
		CS_HREDRAW | CS_VREDRAW |
		CS_DBLCLKS,// don't forget!
		AfxGetApp()->LoadStandardCursor(IDC_ARROW),
		(HBRUSH)(COLOR_BTNFACE+1));

	m_clrFace=GuiDrawLayer::GetRGBColorFace();
	return CWnd::Create(strClass, _T("MenuBar"), dwStyle, CRect(), pParentWnd, nID);
}
void CMenuBar::SetSaveHistory(CString sNameHistory,BOOL bsaveHistory)
{
	szNameHistory=sNameHistory;
	bSaveHistory=bsaveHistory;
}
//******************************************************************
int CMenuBar::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CControlBar::OnCreate(lpCreateStruct) == -1)
		return -1;

	CWnd* pFrame = GetOwner();
	ASSERT_VALID(pFrame);

	// hook frame window to trap WM_MENUSELECT
	//m_hookFrame.Install(this, pFrame->GetSafeHwnd());

	// If this is an MDI app, hook client window to trap WM_MDISETMENU
	if (pFrame->IsKindOf(RUNTIME_CLASS(CMDIFrameWnd))) {
		m_bMDIApp = TRUE;
		m_hWndMDIClient = ((CMDIFrameWnd*)pFrame)->m_hWndMDIClient;
		ASSERT(::IsWindow(m_hWndMDIClient));
		m_hookMDIClient.Install(this, m_hWndMDIClient);
	}

	if (m_pDockContext==NULL)
		m_pDockContext=new CGuiDockContext(this);
	ASSERT(m_pDockContext);

	if (!_InitCommonResources()) {
		TRACE(_T("Failed to create menubar resource\n"));
		return FALSE;
	}	

	return 0;
}


void CMenuBar::OnSysColorChange( )
{
	CWnd::OnSysColorChange( );
	CClientDC dc(this);
	m_clrFace=GuiDrawLayer::GetRGBColorFace();
	for (int i = 0; i < m_arrItem.GetSize(); ++i)
		m_arrItem[i]->UpdateClr();
	
	/*if(m_pMenuControl != NULL) 
		m_pMenuControl->SetColorButton(GuiDrawLayer::GetRGBColorFace());
	if(m_pMenuIcon != NULL) 
	{
		m_pMenuIcon->OnActivateChildWnd();
		m_pMenuIcon->Update(&dc);	
	}*/
	
}
//******************************************************************

BOOL CMenuBar::CreateCombo(CComboBox* pControl,UINT nID,int iSize,DWORD dwStyle)
{
	CFont m_Font;
	m_Font.CreateStockObject (DEFAULT_GUI_FONT);
	if(!pControl->Create(dwStyle, CRect(1,1,iSize,100), this, nID))
	{
		TRACE(_T("Failed to create combo-box\n"));
		m_bCombo=FALSE;
		return FALSE;
	}
	m_bCombo=TRUE;
	cmb=(CGuiComboBoxExt*)pControl;
	cmb->ActiveHistory(TRUE);
	cmb->LoadHistory(szNameHistory,bSaveHistory);	
	return TRUE;
}

//******************************************************************
void CMenuBar::OnSize(UINT nType, int cx, int cy) 
{
	RefreshBar();
	if (m_bCombo==TRUE)
		DrawCombo();
}


void CMenuBar::SetTabbed(BOOL bIstabed)
{
	bIsTabbed=bIstabed;
}

//******************************************************************
BOOL CMenuBar::InitItems()
{
	ASSERT(m_hMenu);

	// clean up all items
	DeleteItems();

	// buttons
	for (int i = 0; i < ::GetMenuItemCount(m_hMenu); ++i) {
		m_arrItem.Add(new CMenuButton(m_hMenu, i,this));
	}

	if (m_bMDIApp) {
		// icon
		if (!bIsTabbed)
		{

			m_pMenuIcon = new CMenuIcon(this);
			m_arrItem.InsertAt(0, m_pMenuIcon);
			// frame control
			m_pMenuControl = new CMenuControl(this);
			m_arrItem.Add(m_pMenuControl);

			// reinitializing
			m_pMenuIcon->OnActivateChildWnd();
			m_pMenuControl->OnActivateChildWnd();
		}
	}
	
	return TRUE;
}

//******************************************************************
BOOL CMenuBar::LoadMenuBar(UINT nIDResource)
{
	ASSERT(m_hMenu == NULL);

	ASSERT_VALID(m_pDockSite);
	if (m_pDockSite->GetMenu()) {
		PostMessage(MB_SET_MENU_NULL, (WPARAM)m_pDockSite->GetSafeHwnd());
	}
	
	m_hMenu = ::LoadMenu(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIDResource));
	if (m_hMenu == NULL) {
		TRACE(_T("Failed to load menu\n"));
		return FALSE;
	}

	return InitItems();
}

//******************************************************************

HMENU CMenuBar::LoadMenu(HMENU hMenu, HMENU hWindowMenu)
{
	ASSERT(::IsMenu(hMenu));
	ASSERT_VALID(this);
	
	CFrameWnd* pFrame = GetParentFrame();
	if (::GetMenu(pFrame->GetSafeHwnd()) != NULL) {
		// not to make MFC ignore SetMenu(NULL), post it.
		PostMessage(MB_SET_MENU_NULL, (WPARAM)pFrame->GetSafeHwnd());
	}

	HMENU hOldMenu = m_hMenu;
	m_hMenu = hMenu;// menu is shared with MFC

	// initialize Items 
	VERIFY(InitItems());

	if (hMenu) {
		m_hWindowMenu = hWindowMenu;
		RefreshBar();// and menubar itself
	}

	return hOldMenu;
}

//******************************************************************

void CMenuBar::RefreshBar()
{
	InvalidateRect(NULL);

#if _MFC_VER >= 0x600