void CMMSoundSubSystem::fillNextBuffer(void) {
// check if the buffer is already prepared (should not !)
if (m_waveHeader[m_currentBuffer].dwFlags&WHDR_PREPARED) {
waveOutUnprepareHeader(m_hWaveOut,&m_waveHeader[m_currentBuffer],sizeof(WAVEHDR));
}
// Call the user function to fill the buffer with anything you want ! :-)
if (m_pUserCallback) {
m_pUserCallback(m_pSoundBuffer[m_currentBuffer],m_bufferSize);
}
// Prepare the buffer to be sent to the WaveOut API
m_waveHeader[m_currentBuffer].lpData = (char*)m_pSoundBuffer[m_currentBuffer];
m_waveHeader[m_currentBuffer].dwBufferLength = m_bufferSize;
waveOutPrepareHeader(m_hWaveOut,&m_waveHeader[m_currentBuffer],sizeof(WAVEHDR));
// Send the buffer the the WaveOut queue
waveOutWrite(m_hWaveOut,&m_waveHeader[m_currentBuffer],sizeof(WAVEHDR));
m_currentBuffer++;
if (m_currentBuffer >= REPLAY_NBSOUNDBUFFER) m_currentBuffer = 0;
}
// ---------------------------------------------------------------------------
void CUIWidgetManager::Update()
{
CUIMessage message;
CUILinkList *pList = NULL;
CUIListNode *pNode;
CUIBase *pWidget, *pRootWidget;
int32 result = CUIR_MESSAGE_NOT_HANDLED;
if (!m_bInitted) {
CUI_ERR("WidgetManager was never Initialized!\n");
return;
}
// process messages
while (CUIR_OK == m_pMessageQueue->DequeueMessage(&message)) {
//CUIMessageQueue::DisplayMessage(NULL, &message);
// handle widget-manager level messages here, and pass on
// to topmost widgets. We look for certain internal messages
// before honoring the user-defined callback (if any)
switch (message.m_Message) {
case CUIM_WIDGET_SCHEDULE_FOR_DESTROY:
m_pDestroyList->Add(message.m_pSender);
break;
default:
// has the user requested callbacks from the WidgetManager?
if (m_pUserCallback) {
message.m_pUserObject = m_pUserCallbackObject;
message.m_pUserData = m_pUserCallbackData;
result = m_pUserCallback(&message);
}
// if the user handled the message, I'm done
if (result != CUIR_MESSAGE_NOT_HANDLED) continue;
// messages that are "system" messages (CUIM_WIDGET_ON_DESTROY, etc.)
// should not be sent to widgets.
if (message.m_Message < CUIM_SYSTEM_THRESHOLD) continue;
// else, send the message to my top-level widget, who will propagate it
pRootWidget = this->GetRootWidget();
if (!pRootWidget) {
// uh-oh! no desktop widget
continue;
}
pRootWidget->HandleMessage(&message);
} // switch (message.m_Message)
}
// render the ui system
this->Render();
this->DebugShowFocusWidget();
// once all the messages have been processed, it's safe to
// handle the destroy queue.
pList = m_pDestroyList;
pNode = pList->GetHead();
while (pNode) {
pWidget = (CUIBase*)pList->GetData(pNode);
//CUI_DBG("Destroy widget: %x\n", pWidget);
this->InternalDestroyWidget(pWidget);
pList->Remove(pNode);
pNode = pList->GetHead();
}
}
