C++ (Cpp) AfxPumpMessage Examples

Example #1

File: viewprnt.cpp Project: pixelspark/corespark

BOOL CALLBACK _AfxAbortProc(HDC, int)
{
	_AFX_WIN_STATE* pWinState = _afxWinState;
	MSG msg;
	while (!pWinState->m_bUserAbort &&
		::PeekMessage(&msg, NULL, NULL, NULL, PM_NOREMOVE))
	{
		if( !AfxPumpMessage() )
			return FALSE;   // terminate if WM_QUIT received
	}
	return !pWinState->m_bUserAbort;
}

Example #2

File: HTMLViewCapView.cpp Project: Nightaway/HTMLViewCap

/*
			等待5秒
*/
int CHTMLViewCapView::RunModalLoop(DWORD dwFlags)
{
			ASSERT(::IsWindow(m_hWnd)); // window must be created
			ASSERT(!(m_nFlags & WF_MODALLOOP)); // window must not already be in modal state

			// for tracking the idle time state
			BOOL bIdle = TRUE;
			LONG lIdleCount = 0;
			BOOL bShowIdle = (dwFlags & MLF_SHOWONIDLE) && !(GetStyle() & WS_VISIBLE);
			HWND hWndParent = ::GetParent(m_hWnd);
			m_nFlags |= (WF_MODALLOOP|WF_CONTINUEMODAL);
			MSG *pMsg = AfxGetCurrentMessage();

			// acquire and dispatch messages until the modal state is done
			for (;;)
			{
				ASSERT(ContinueModal());

				// phase1: check to see if we can do idle work
				while (bIdle &&
					!::PeekMessage(pMsg, NULL, NULL, NULL, PM_NOREMOVE))
				{
					ASSERT(ContinueModal());

					// show the dialog when the message queue goes idle
					if (bShowIdle)
					{
						ShowWindow(SW_SHOWNORMAL);
						UpdateWindow();
						bShowIdle = FALSE;
					}

					// call OnIdle while in bIdle state
					if (!(dwFlags & MLF_NOIDLEMSG) && hWndParent != NULL && lIdleCount == 0)
					{
						// send WM_ENTERIDLE to the parent
						::SendMessage(hWndParent, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)m_hWnd);
					}
					if ((dwFlags & MLF_NOKICKIDLE) ||
						!SendMessage(WM_KICKIDLE, MSGF_DIALOGBOX, lIdleCount++))
					{
						// stop idle processing next time
						bIdle = FALSE;
					}
				}

				// Get current time
				//CTime tBeginLoop;
				CTime tEndLoop;
				CTimeSpan span;
				BOOL bQuit = FALSE;

				// phase2: pump messages while available
				do
				{
					ASSERT(ContinueModal());
					TRACE("pump messages!\n");

					//
					//tBeginLoop = CTime::GetCurrentTime();

					// pump message, but quit on WM_QUIT
					if (!AfxPumpMessage())
					{
						AfxPostQuitMessage(0);
						return -1;
					}

					// show the window when certain special messages rec'd
					if (bShowIdle &&
						(pMsg->message == 0x118 || pMsg->message == WM_SYSKEYDOWN))
					{
						ShowWindow(SW_SHOWNORMAL);
						UpdateWindow();
						bShowIdle = FALSE;
					}

					if (!ContinueModal() || bQuit)
						goto ExitModal;

					// reset "no idle" state after pumping "normal" message
					if (AfxIsIdleMessage(pMsg))
					{
						bIdle = TRUE;
						lIdleCount = 0;
					}

					tEndLoop = CTime::GetCurrentTime();
					span =  tEndLoop - m_tBeforeEnterLoop;
					TRACE("Span : %d .\n", span.GetTotalSeconds());
					if (span.GetTotalSeconds() >= m_wating_time_max)
					{
						bQuit = TRUE;
					}

				} while (::PeekMessage(pMsg, NULL, NULL, NULL, PM_NOREMOVE));
			}

		ExitModal:
			m_nFlags &= ~(WF_MODALLOOP|WF_CONTINUEMODAL);
			return m_nModalResult;
}