LRESULT SpeedPage::onSpeedChanged(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& /*bHandled*/)
{
tstring speed;
speed.resize(1024);
speed.resize(GetDlgItemText(wID, &speed[0], 1024));
if (!speed.empty() && wNotifyCode != CBN_SELENDOK) {
boost::wregex reg;
if(speed[speed.size() -1] == '.')
reg.assign(_T("(\\d+\\.)"));
else
reg.assign(_T("(\\d+(\\.\\d+)?)"));
if (!regex_match(speed, reg)) {
CComboBox tmp;
tmp.Attach(hWndCtl);
DWORD dwSel;
if ((dwSel = tmp.GetEditSel()) != CB_ERR) {
tstring::iterator it = speed.begin() + HIWORD(dwSel)-1;
speed.erase(it);
tmp.SetEditSel(0,-1);
tmp.SetWindowText(speed.c_str());
tmp.SetEditSel(HIWORD(dwSel)-1, HIWORD(dwSel)-1);
tmp.Detach();
}
}
}
updateValues(wNotifyCode);
validateMCNLimits(wNotifyCode);
return TRUE;
}
void CAutoComplete::DoCompletion(CWnd* pWnd, CString s,
const CStringArray& arMatches)
{
if (m_iType==ComboBox)
{
// 这种强制转换从技术上讲是不正确的，但它是一个标准的MFC诀窍.
CComboBox* pComboBox = (CComboBox*)pWnd;
// 更新下拉框以反映可能的匹配
pComboBox->ResetContent();
for (int i=0; i <arMatches.GetSize();i++)
pComboBox->AddString(arMatches[i]);
// 用户箭头光标，这样用户才能选择
::SetCursor(LoadCursor(NULL,MAKEINTRESOURCE(IDC_ARROW)));
// 显示下拉框
pComboBox->ShowDropDown();
pComboBox->SetWindowText(IgnoreCompletion(s) ? s : arMatches[0]);
pComboBox->SetEditSel(s.GetLength(),-1); //设置高亮
}
else if (m_iType==Edit && !IgnoreCompletion(s))
{
// 这种强制转换从技术上讲是不正确的，但它是一个标准的MFC诀窍.
CEdit* pEdit = (CEdit*)pWnd;
pEdit->SetWindowText(arMatches[0]);
pEdit->SetSel(s.GetLength(),-1);
}
}
