oxtooltipctrl.h

完整的MP3播放器源码

// ==========================================================================
//                    Class Specification : COXToolTipCtrl
// ==========================================================================
// //////////////////////////////////////////////////////////////////////////
// Header file : OXToolTipCtrl.h
//
//
//////////////////////////////////////////////////////////////////////////


#if !defined(_OXTOOLTIPCTRL_H__)
#define _OXTOOLTIPCTRL_H__

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "OXDllExt.h"

class COXToolTipInfo;

struct OXTOOLINFO : public TOOLINFO
{
 #if (_WIN32_IE < 0x0300)
	// Application defined value that is associated with the tool
    LPARAM    lParam;       
#endif
	// Width of box, or 0 for default
    int       nWidth;       
	// text color
    COLORREF  clrTextColor; 
	// background color
    COLORREF  clrBackColor; 


    OXTOOLINFO::OXTOOLINFO()
    {
        cbSize = sizeof(OXTOOLINFO);
    }

    void operator=(COXToolTipInfo& RHS);
};

// this structure holds all the tooltip information internall
class OX_CLASS_DECL COXToolTipInfo : public CObject
{
public:
    UINT      uFlags;       // Not used
    HWND      hWnd;         // Window handle of the control
    UINT      nIDTool;      // ID of tool   
    CRect     rectBounds;   // Bounding rect for toolinfo to be displayed
    LPCTSTR   szText;       // Either LPSTR_TEXTCALLBACK or NULL
    CString   strText;      // Tooltip text if szText is NULL, or empty.
    int       nWidth;       // Width of box, or 0 for default
    COLORREF  clrTextColor; // text color
    COLORREF  clrBackColor; // background color
    LPARAM    lParam;       // Application defined value that is associated 
							// with the tool


    void operator=(OXTOOLINFO& RHS)
    {
        uFlags     = RHS.uFlags;
        hWnd       = RHS.hwnd;
        nIDTool    = RHS.uId;
        rectBounds = RHS.rect;
        if (RHS.lpszText == LPSTR_TEXTCALLBACK)
        {
            szText = RHS.lpszText;
            strText.Empty();
        }
        else
        {
            szText = NULL;
            strText = RHS.lpszText;
        }
        nWidth       = RHS.nWidth;
        clrTextColor = RHS.clrTextColor;
        clrBackColor = RHS.clrBackColor;
        lParam       = RHS.lParam;
    }

    void operator=(COXToolTipInfo& RHS)
    {
        uFlags		 = RHS.uFlags;
        hWnd         = RHS.hWnd;
        nIDTool      = RHS.nIDTool;
        rectBounds   = RHS.rectBounds;
        strText      = RHS.strText;
        nWidth       = RHS.nWidth;
        clrTextColor = RHS.clrTextColor;
        clrBackColor = RHS.clrBackColor;
        lParam       = RHS.lParam;
    }
};

inline void OXTOOLINFO::operator=(COXToolTipInfo& RHS)
{
    cbSize = sizeof(OXTOOLINFO);
    uFlags = RHS.uFlags;
    hwnd   = RHS.hWnd;
    uId    = RHS.nIDTool;
    rect   = RHS.rectBounds;
    hinst  = AfxGetResourceHandle(); 
    if (RHS.szText == LPSTR_TEXTCALLBACK)
        lpszText = LPSTR_TEXTCALLBACK;
    else
        lpszText = (LPTSTR)(LPCTSTR) RHS.strText;
    lParam       = RHS.lParam;
    nWidth       = RHS.nWidth;
    clrTextColor = RHS.clrTextColor;
    clrBackColor = RHS.clrBackColor;
}


/////////////////////////////////////////////////////////////////////////////
// COXToolTipCtrl window

class OX_CLASS_DECL COXToolTipCtrl : public CWnd
{
// Construction
public:
	// --- In