oxtooltipctrl.cpp

完整的MP3播放器源码

// ==========================================================================
//                     Class Implementation : COXToolTipCtrl
// ==========================================================================

#include "stdafx.h"
#include "OXToolTipCtrl.h"

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

// TODO: Add message handlers (eg TTM_SETTIPBKCOLOR) and point them 
//       to the correct functions.

LPCTSTR COXToolTipCtrl::m_szArrowSpace = _T("  ");

/////////////////////////////////////////////////////////////////////////////
// COXToolTipCtrl construction

COXToolTipCtrl::COXToolTipCtrl() :
	m_pParentWnd(NULL),
	m_rectMargin(2,2,3,3),
    m_nMaxWidth(0),
    m_ptOffset(0,20),
    m_pCurrentToolTip(NULL),
    m_nCheckInterval(500),			// Time between checks of the tooltip - allows 
									// user to move the mouse to the tooltip before 
									// it disappears  
	m_nDisplayDelay(500),			// delay in milliseconds till the tooltip is 
									// displayed
	m_nDisplayTime(5000),		    // Length of time the tooltip is displayed
    m_nElapsedTime(0),
    m_bActivated(TRUE),
    m_bTipCancelled(FALSE),
    m_bHasExtendedText(FALSE),
    m_hOldFocusWnd(NULL),
    m_crBackColor(CLR_DEFAULT),
    m_crTextColor(CLR_DEFAULT),
    m_bUsingSystemFont(TRUE),
    m_dwTextStyle(DT_EXPANDTABS|DT_EXTERNALLEADING|DT_NOPREFIX|DT_WORDBREAK)
{
    m_arrTools.RemoveAll();
}

COXToolTipCtrl::~COXToolTipCtrl()
{
    m_Font.DeleteObject();

    COXToolTipInfo *pInfo = NULL;
    int nSize = m_arrTools.GetSize();
    for (int nIndex = 0; nIndex < nSize; nIndex++)
    {
        pInfo = (COXToolTipInfo* )m_arrTools.GetAt(nIndex);
        delete pInfo;
    }

    m_arrTools.RemoveAll();

    if (IsWindow(m_hWnd))
        DestroyWindow();
}

/////////////////////////////////////////////////////////////////////////////
// COXToolTipCtrl message handlers

BEGIN_MESSAGE_MAP(COXToolTipCtrl, CWnd)
	//{{AFX_MSG_MAP(COXToolTipCtrl)
	ON_WM_PAINT()
	ON_WM_TIMER()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_SETFOCUS()
	ON_WM_DESTROY()
	ON_WM_SETTINGCHANGE()
	ON_WM_MOUSEACTIVATE()
	//}}AFX_MSG_MAP
    ON_MESSAGE(WM_SETFONT, OnSetFont)
    ON_MESSAGE(WM_GETFONT, OnGetFont)
END_MESSAGE_MAP()

// --- In