bcmenu.h

这是一个多线程实现的串口通信类

	// Function to set how disabled items are drawn (mode=FALSE means they are not drawn selected)
	static void SetSelectDisableMode(BOOL mode){
		BCMenu::original_select_disabled=mode;
		BCMenu::xp_select_disabled=mode;
	};
	static int BCMenu::GetMenuDrawMode(void);
	static BOOL BCMenu::GetSelectDisableMode(void);

	// how the bitmaps are drawn in XP Luna mode
	static void SetXPBitmap3D(BOOL val){
		BCMenu::xp_draw_3D_bitmaps=val;
	};
	static BOOL GetXPBitmap3D(void){return BCMenu::xp_draw_3D_bitmaps;}

	// Customizing:
	// Set icon size
	void SetIconSize (int, int); 
	// set the color in the bitmaps that is the background transparent color
	void SetBitmapBackground(COLORREF color);
	void UnSetBitmapBackground(void);
	// obsolete functions for setting how menu images are dithered for disabled menu options
	BOOL GetDisableOldStyle(void);
	void SetDisableOldStyle(void);
	void UnSetDisableOldStyle(void);
	static COLORREF LightenColor(COLORREF col,double factor);
	static COLORREF DarkenColor(COLORREF col,double factor);

// Miscellaneous Protected Member functions
protected:
	static BOOL IsNewShell(void);
	static BOOL IsWinXPLuna(void);
	static BOOL IsLunaMenuStyle(void);
	static BOOL IsWindowsClassicTheme(void);
	BCMenuData *BCMenu::FindMenuItem(UINT nID);
	BCMenu *FindMenuOption(int nId,int& nLoc);
	BCMenu *FindAnotherMenuOption(int nId,int& nLoc,CArray<BCMenu*,BCMenu*>&bcsubs,
								  CArray<int,int&>&bclocs);
	BCMenuData *FindMenuOption(wchar_t *lpstrText);
	void InsertSpaces(void);
	void DrawCheckMark(CDC *pDC,int x,int y,COLORREF color);
	void DrawRadioDot(CDC *pDC,int x,int y,COLORREF color);
	BCMenuData *NewODMenu(UINT pos,UINT nFlags,UINT nID,CString string);
	void SynchronizeMenu(void);
	void BCMenu::InitializeMenuList(int value);
	void BCMenu::DeleteMenuList(void);
	BCMenuData *BCMenu::FindMenuList(UINT nID);
	void DrawItem_Win9xNT2000 (LPDRAWITEMSTRUCT lpDIS);
	void DrawItem_WinXP (LPDRAWITEMSTRUCT lpDIS);
	BOOL Draw3DCheckmark(CDC *dc, const CRect& rc,BOOL bSelected,HBITMAP hbmCheck);
	BOOL DrawXPCheckmark(CDC *dc, const CRect& rc, HBITMAP hbmCheck,COLORREF &colorout);
	void DitherBlt(HDC hdcDest, int nXDest, int nYDest, int nWidth, 
		int nHeight, HBITMAP hbm, int nXSrc, int nYSrc,COLORREF bgcolor);
	void DitherBlt2(CDC *drawdc, int nXDest, int nYDest, int nWidth, 
		int nHeight, CBitmap &bmp, int nXSrc, int nYSrc,COLORREF bgcolor);
	BOOL GetBitmapFromImageList(CDC* pDC,CImageList *imglist,int nIndex,CBitmap &bmp);
	BOOL ImageListDuplicate(CImageList *il,int xoffset,CImageList *newlist);
	static WORD NumBitmapColors(LPBITMAPINFOHEADER lpBitmap);
	void ColorBitmap(CDC* pDC, CBitmap& bmp,CSize bitmap_size,CSize icon_size,COLORREF fill,COLORREF border,int hatchstyle=-1);
	void RemoveTopLevelOwnerDraw(void);
	int GetMenuStart(void);
	void GetFadedBitmap(CBitmap &bmp);
	void GetShadowBitmap(CBitmap &bmp);
	int AddToGlobalImageList(CImageList *il,int xoffset,int nID);
	int GlobalImageListOffset(int nID);
	BOOL CanDraw3DImageList(int offset);
	
// Member Variables
protected:
	CTypedPtrArray<CPtrArray, BCMenuData*> m_MenuList;  // Stores list of menu items 
	// When loading an owner-drawn menu using a Resource, BCMenu must keep track of
	// the popup menu's that it creates. Warning, this list *MUST* be destroyed
	// last item first :)
	CTypedPtrArray<CPtrArray, HMENU>  m_SubMenus;  // Stores list of sub-menus 
	// Stores a list of all BCMenu's ever created 
	static CTypedPtrArray<CPtrArray, HMENU>  m_AllSubMenus;
	// Global ImageList
	static CImageList m_AllImages;
	static CArray<int,int&> m_AllImagesID;
	// icon size
	int m_iconX,m_iconY;
	COLORREF m_bitmapBackground;
	BOOL m_bitmapBackgroundFlag;
	BOOL disable_old_style;
	static UINT original_drawmode;
	static BOOL original_select_disabled;
	static UINT xp_drawmode;
	static BOOL xp_select_disabled;
	static BOOL xp_draw_3D_bitmaps;
	CImageList *checkmaps;
	BOOL checkmapsshare;
	int m_selectcheck;
	int m_unselectcheck;
	BOOL m_bDynIcons;
	BOOL m_loadmenu;
}; 

class BCMenuToolBar : public CToolBar{
public:
	BCMenuToolBar() : CToolBar() {m_iconX=m_iconY=0;}
	BOOL LoadToolBar(LPCTSTR lpszResourceName);
	BOOL LoadToolBar(UINT nIDResource){
		return LoadToolBar(MAKEINTRESOURCE(nIDResource));
	}
	BOOL LoadBitmap(LPCTSTR lpszResourceName);
	void GetIconSize(int &iconx,int &icony){iconx=m_iconX;icony=m_iconY;}
protected:
	int m_iconX,m_iconY;
};

#define BCMENU_USE_MEMDC

#ifdef BCMENU_USE_MEMDC
//////////////////////////////////////////////////
// BCMenuMemDC - memory DC
//
// Author: Keith Rule
// Email:  [e-mail]
// Copyright 1996-1997, Keith Rule
//
// You may freely use or modify this code provided this
// Copyright is included in all derived versions.
//
// History - 10/3/97 Fixed scrolling bug.
//                   Added print support.
//           25 feb 98 - fixed minor assertion bug
//
// This class implements a memory Device Context

class BCMenuMemDC : public CDC
{
public:

    // constructor sets up the memory DC
    BCMenuMemDC(CDC* pDC,LPCRECT lpSrcRect) : CDC()
    {
        ASSERT(pDC != NULL);

		m_rect.CopyRect(lpSrcRect);
        m_pDC = pDC;
        m_pOldBitmap = NULL;
        m_bMemDC = !pDC->IsPrinting();
              
        if (m_bMemDC)    // Create a Memory DC
        {
            CreateCompatibleDC(pDC);
            m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
            m_pOldBitmap = SelectObject(&m_bitmap);
            SetWindowOrg(m_rect.left, m_rect.top);
        }
        else        // Make a copy of the relevent parts of the current DC for printing
        {
            m_bPrinting = pDC->m_bPrinting;
            m_hDC       = pDC->m_hDC;
            m_hAttribDC = pDC->m_hAttribDC;
        }
    }
    
    // Destructor copies the contents of the mem DC to the original DC
    ~BCMenuMemDC()
    {
        if (m_bMemDC) 
        {    
            // Copy the offscreen bitmap onto the screen.
            m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
                          this, m_rect.left, m_rect.top, SRCCOPY);

            //Swap back the original bitmap.
            SelectObject(m_pOldBitmap);
        } else {
            // All we need to do is replace the DC with an illegal value,
            // this keeps us from accidently deleting the handles associated with
            // the CDC that was passed to the constructor.
            m_hDC = m_hAttribDC = NULL;
        }
    }

    // Allow usage as a pointer
    BCMenuMemDC* operator->() {return this;}
        
    // Allow usage as a pointer
    operator BCMenuMemDC*() {return this;}

private:
    CBitmap  m_bitmap;      // Offscreen bitmap
    CBitmap* m_pOldBitmap;  // bitmap originally found in BCMenuMemDC
    CDC*     m_pDC;         // Saves CDC passed in constructor
    CRect    m_rect;        // Rectangle of drawing area.
    BOOL     m_bMemDC;      // TRUE if CDC really is a Memory DC.
};

#endif

#endif

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