www.pudn.com > VX.rar > CoolBar.h

//////////////////////////////////////////////////////////////// 
// Copyright 1998 Paul DiLascia 
// If this code works, it was written by Paul DiLascia. 
// If not, I don't know who wrote it. 
// 
#ifndef __COOLBAR_H 
#define __COOLBAR_H 
 
////////////////// 
// CCoolBar encapsulates IE common coolbar (rebar) for MFC. To use it, 
// 
//		* derive your own CMyCoolBar from CCoolBar 
//		* implement OnCreateBands to create whatever bands you want 
//		* instantiate CMyCoolBar in your frame window as you would a toolbar 
//		* create and load it, etc from CMainFrame::OnCreate 
// 
// See MBTest for example of how to use. 
// 
class AFX_EXT_CLASS CCoolBar : public CControlBar { 
public: 
	CCoolBar(); 
	virtual ~CCoolBar(); 
 
	BOOL Create(CWnd* pParentWnd, DWORD dwStyle, 
		DWORD dwAfxBarStyle = CBRS_ALIGN_TOP, 
		UINT nID = AFX_IDW_TOOLBAR); 
 
	// message wrappers 
	BOOL GetBarInfo(LPREBARINFO lp) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_GETBARINFO, 0, (LPARAM)lp); } 
 
	BOOL SetBarInfo(LPREBARINFO lp) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_SETBARINFO, 0, (LPARAM)lp); } 
 
	BOOL GetBandInfo(int iBand, LPREBARBANDINFO lp) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_GETBANDINFO, iBand, (LPARAM)lp); } 
 
	BOOL SetBandInfo(int iBand, LPREBARBANDINFO lp) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_SETBANDINFO, iBand, (LPARAM)lp); } 
 
	BOOL InsertBand(int iWhere, LPREBARBANDINFO lp) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_INSERTBAND, (WPARAM)iWhere, (LPARAM)lp); } 
 
	BOOL DeleteBand(int nWhich) 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (BOOL)SendMessage(RB_DELETEBAND, (WPARAM)nWhich); } 
 
	int GetBandCount() 
		{ ASSERT(::IsWindow(m_hWnd)); 
		  return (int)SendMessage(RB_GETBANDCOUNT); } 
 
	int GetRowCount() 
		{ ASSERT(::IsWindow(m_hWnd)); 
	     return (int)SendMessage(RB_GETROWCOUNT); } 
 
	int GetRowHeight(int nWhich) 
		{ ASSERT(::IsWindow(m_hWnd)); 
	     return (int)SendMessage(RB_GETROWHEIGHT, (WPARAM)nWhich); } 
 
	// Call these handy functions from your OnCreateBands to do stuff 
	// more easily than the Windows way. 
	// 
	BOOL InsertBand(CWnd* pWnd, CSize szMin, int cx = 0, 
		LPCTSTR lpText=NULL, int iWhere=-1, BOOL bNewRow =FALSE); 
	void SetColors(COLORREF clrFG, COLORREF clrBG); 
	void SetBackgroundBitmap(CBitmap* pBitmap); 
	void Invalidate(BOOL bErase = TRUE); // invalidates children too 
 
	static BOOL bTRACE;	// Set TRUE to see extra diagnostics in DEBUG code 
 
protected: 
	// YOU MUST OVERRIDE THIS in your derived class to create bands. 
	virtual BOOL OnCreateBands() = 0; // return -1 if failed 
 
	// Virtual fn called when the coolbar height changes as a result of moving 
	// bands around. Override only if you want to do something different. 
	virtual void OnHeightChange(const CRect& rcNew); 
 
	// overrides to fix problems w/MFC. No need to override yourself. 
	virtual CSize CalcFixedLayout(BOOL bStretch, BOOL bHorz); 
	virtual CSize CalcDynamicLayout(int nLength, DWORD nMode); 
	virtual void  OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler); 
 
	// message handlers 
	afx_msg int  OnCreate(LPCREATESTRUCT lpcs); 
	afx_msg void OnPaint(); 
	afx_msg void OnHeightChange(NMHDR* pNMHDR, LRESULT* pRes); 
	afx_msg BOOL OnEraseBkgnd(CDC* pDC); 
 
	DECLARE_MESSAGE_MAP() 
	DECLARE_DYNAMIC(CCoolBar) 
}; 
 
////////////////// 
// Programmer-friendly REBARINFO initializes itself. 
// 
class AFX_EXT_CLASS CRebarInfo : public REBARINFO { 
public: 
	CRebarInfo() { 
		memset(this, 0, sizeof(REBARINFO)); 
		cbSize = sizeof(REBARINFO); 
	} 
}; 
 
////////////////// 
// Programmer-friendly REBARBANDINFO initializes itself. 
// 
class AFX_EXT_CLASS CRebarBandInfo : public REBARBANDINFO { 
public: 
	CRebarBandInfo() { 
		memset(this, 0, sizeof(REBARBANDINFO)); 
		cbSize = sizeof(REBARBANDINFO); 
	} 
}; 
 
#endif