BOOL COleIPFrameWnd::PreTranslateMessage(MSG* pMsg)
{
// check server's accelerators first
if (CFrameWnd::PreTranslateMessage(pMsg))
return TRUE;
if (pMsg->message >= WM_KEYFIRST && pMsg->message <= WM_KEYLAST)
{
// always check to see if they exist in the default accel table
// (they may exist but not be translated when disabled)
HACCEL hAccel = GetDefaultAccelerator();
if (hAccel != NULL && IsAccelerator(hAccel,
CopyAcceleratorTable(hAccel, NULL, 0), pMsg, NULL))
{
return TRUE;
}
// check container's accelerators as last chance
OLEINPLACEFRAMEINFO frameInfo = m_frameInfo;
if (::OleTranslateAccelerator(m_lpFrame, &frameInfo, pMsg) == S_OK)
return TRUE;
}
return FALSE; // keystroke not processed.
}
BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
{
// TODO: 在此添加专用代码和/或调用基类
// allow tooltip messages to be filtered
if (CWnd::PreTranslateMessage(pMsg))
return TRUE;
if (m_EnableAccel&&pMsg->message >= WM_KEYFIRST && pMsg->message <= WM_KEYLAST)
{
// finally, translate the message
HACCEL hAccel = GetDefaultAccelerator();
return hAccel != NULL && ::TranslateAccelerator(m_hWnd, hAccel, pMsg);
}
return FALSE;
}
BOOL CMDIChildWnd::PreTranslateMessage(MSG* pMsg)
{
// check for special cancel modes for combo boxes
if (pMsg->message == WM_LBUTTONDOWN || pMsg->message == WM_NCLBUTTONDOWN)
AfxCancelModes(pMsg->hwnd); // filter clicks
// allow tooltip messages to be filtered
if (CWnd::PreTranslateMessage(pMsg))
return TRUE;
// we can't call 'CFrameWnd::PreTranslate' since it will translate
// accelerators in the context of the MDI Child - but since MDI Child
// windows don't have menus this doesn't work properly. MDI Child
// accelerators must be translated in context of their MDI Frame.
if (pMsg->message >= WM_KEYFIRST && pMsg->message <= WM_KEYLAST)
{
// use document specific accelerator table over m_hAccelTable
HACCEL hAccel = GetDefaultAccelerator();
return hAccel != NULL &&
::TranslateAccelerator(GetMDIFrame()->m_hWnd, hAccel, pMsg);
}
return FALSE;
}
