C++ (Cpp) GetLBTextLen Examples

Example #1

File: HistoryCombo.cpp Project: YueLinHo/TortoiseSvn

CString CHistoryCombo::GetString() const
{
    CString str;
    int sel;
    sel = GetCurSel();
    int len = 0;
    if (sel != CB_ERR)
        len = GetLBTextLen(sel);
    if (sel == CB_ERR)
    {
        GetWindowText(str);
        return str;
    }
    if (len >= (MAX_PATH-1))
    {
        GetWindowText(str);
        return str;
    }
    if ((m_bURLHistory)||(m_bPathHistory)||(GetStyle()&CBS_DROPDOWNLIST))
    {
        //URL and path history combo boxes are editable, so get
        //the string directly from the combobox
        GetLBText(sel, str.GetBuffer(GetLBTextLen(sel)));
        str.ReleaseBuffer();
        return str;
    }
    return m_arEntries.GetAt(sel);
}

Example #2

File: FontComboBox.cpp Project: william0wang/meditor

void CFontComboBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	ASSERT(lpDrawItemStruct->CtlType == ODT_COMBOBOX);
	CString strText;
	//判断当前索引的字体名称是否为空
	int nIndex = lpDrawItemStruct->itemID;
	if (GetLBTextLen(nIndex) < 0)
		return ;
	GetLBText(nIndex, strText);
	ASSERT(!strText.IsEmpty());
	int nImage = 0;
	//根据索引值从m_pFontVec得到字体图像类型
	if (!m_pFontVec.empty())
		nImage = m_pFontVec[nIndex]->GetImage();
	CDC dc;
	dc.Attach(lpDrawItemStruct->hDC);
	COLORREF crOldTextColor = dc.GetTextColor();
	COLORREF crOldBkColor = dc.GetBkColor();
	//如果Item处于选择焦点、状态下，用系统高亮色改变文本和背景色
	if ((lpDrawItemStruct->itemAction | ODA_SELECT) &&
		(lpDrawItemStruct->itemState & ODS_SELECTED))
	{
		dc.SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
		dc.SetBkColor(::GetSysColor(COLOR_HIGHLIGHT));
		dc.FillSolidRect(&lpDrawItemStruct->rcItem, ::GetSysColor(COLOR_HIGHLIGHT));
	}
	else
		dc.FillSolidRect(&lpDrawItemStruct->rcItem, crOldBkColor);
	CRect     rItem(lpDrawItemStruct->rcItem);
	CRect     rText(rItem);
	CRect     rBmp(&rItem);
	if(m_FontBmp)
	{
		//计算Item中字体预览图的贴图位置
		rBmp.top +=  (rBmp.Height() - FNTIMG_Y) / 2;
		rBmp.bottom = rBmp.top + FNTIMG_Y + 1;
		rText.left += FNTIMG_X;
		if (nImage != (int)0XFF)
		{
			int x,y;
			x = nImage * FNTIMG_X;   //根据预览图类型计算源图的矩形大小
			y = FNTIMG_Y;
			CDC mdc;
			mdc.CreateCompatibleDC(&dc);
			CBitmap* pOldBmp = mdc.SelectObject(CBitmap::FromHandle(m_FontBmp));
			COLORREF clrTransparent = mdc.GetPixel(0, y);
			//调用TransparentBlt进行透明贴图，此函数需要加入MsImg32.Lib文件
			::TransparentBlt (dc.GetSafeHdc(),rBmp.left, rBmp.top, FNTIMG_X, FNTIMG_Y,  
				mdc, x, y, FNTIMG_X, FNTIMG_Y, clrTransparent);
		}
	}
	else
		rText.left += 10;
	//rText所代表的字体名称填充位置需要右移图片的宽度
	dc.DrawText(strText, rText, DT_LEFT|DT_SINGLELINE|DT_VCENTER);
	dc.SetTextColor(crOldTextColor);
	dc.SetBkColor(crOldBkColor);
	dc.Detach();
} 

Example #3

File: ComboBox.cpp Project: headupinclouds/lzma-sdk

LRESULT CComboBox::GetLBText(int index, CSysString &s)
{
  s.Empty();
  LRESULT len = GetLBTextLen(index);
  if (len == CB_ERR)
    return len;
  len = GetLBText(index, s.GetBuffer((int)len + 1));
  s.ReleaseBuffer();
  return len;
}

Example #4

File: ComboBox.cpp Project: ArchangelSDY/Qt7z

LRESULT CComboBox::GetLBText(int index, CSysString &s)
{
  s.Empty();
  LRESULT len = GetLBTextLen(index); // length, excluding the terminating null character
  if (len == CB_ERR)
    return len;
  LRESULT len2 = GetLBText(index, s.GetBuf((unsigned)len));
  if (len2 == CB_ERR)
    return len;
  if (len > len2)
    len = len2;
  s.ReleaseBuf_CalcLen((unsigned)len);
  return len;
}

Example #5

File: winctrl1.cpp Project: rickerliang/OpenNT

void CComboBox::GetLBText(int nIndex, CString& rString) const
{
	ASSERT(::IsWindow(m_hWnd));
	GetLBText(nIndex, rString.GetBufferSetLength(GetLBTextLen(nIndex)));
	rString.ReleaseBuffer();
}

Example #6

File: AdvComboBox.cpp Project: yunhaisoft/aoctm

LONG CAdvComboBox::OnGetLBTextLen( WPARAM wIndex, LPARAM /*lParam*/ )
{
	int nIndex = (int)wIndex;
	return GetLBTextLen( nIndex );
}