/**
* Closes the given display.
*
* @pre disp is a display we know about.
* @post disp has been removed from the list of displays
* (notifyDrawMgr == true) && (drawMgr != NULL) && (disp is active)
* ==> Draw manager has been told to clode the window for the display
*/
int DisplayManager::closeDisplay(DisplayPtr disp, bool notifyDrawMgr)
{
vprASSERT(isMemberDisplay(disp)); // Make sure that display actually exists
vprDEBUG(vrjDBG_DISP_MGR, vprDBG_STATE_LVL)
<< "[vrj::DisplayManager::closeDisplay()] Closing display named '"
<< disp->getName() << "'" << std::endl << vprDEBUG_FLUSH;
// Notify the draw manager to get rid of it
// Note: if it is not active, then the draw manager doesn't know about it
if ((notifyDrawMgr) && (mDrawManager != NULL) && (disp->isActive()))
{
mDrawManager->removeDisplay(disp);
}
// Remove it from local data structures
size_t num_before_close = mActiveDisplays.size() + mInactiveDisplays.size();
mActiveDisplays.erase( std::remove(mActiveDisplays.begin(), mActiveDisplays.end(), disp),
mActiveDisplays.end());
mInactiveDisplays.erase( std::remove(mInactiveDisplays.begin(), mInactiveDisplays.end(), disp),
mInactiveDisplays.end());
vprASSERT(num_before_close == (1+mActiveDisplays.size() + mInactiveDisplays.size()));
boost::ignore_unused_variable_warning(num_before_close);
return 1;
}
/**
* Adds the element to the configuration.
*
* @pre configCanHandle(element) == true
* @post (display of same name already loaded) ==> old display closed, new one opened<br>
* (display is new) ==> (new display is added)<br>
* Draw Manager is notified of the display change.
*/
bool DisplayManager::configAddDisplay(jccl::ConfigElementPtr element)
{
vprASSERT(configCanHandle(element)); // We must be able to handle it first of all
vprDEBUG_BEGIN(vrjDBG_DISP_MGR,vprDBG_STATE_LVL) << "------- DisplayManager::configAddDisplay -------\n" << vprDEBUG_FLUSH;
// Find out if we already have a window of this name
// If so, then close it before we open a new one of the same name
// This basically allows re-configuration of a window
DisplayPtr cur_disp = findDisplayNamed(element->getName());
if (cur_disp != NULL) // We have an old display
{
vprDEBUG(vrjDBG_DISP_MGR,vprDBG_CONFIG_LVL) << "Removing old window: " << cur_disp->getName().c_str() << vprDEBUG_FLUSH;
closeDisplay(cur_disp,true); // Close the display and notify the draw manager to close the window
}
// --- Add a display (of the correct type) ---- //
if (element->getID() == std::string("display_window")) // Display window
{
DisplayPtr newDisp = Display::create(); // Create the display
newDisp->config(element);
addDisplay(newDisp,true); // Add it
vprDEBUG(vrjDBG_DISP_MGR,vprDBG_STATE_LVL) << "Adding display: " << newDisp->getName().c_str() << std::endl << vprDEBUG_FLUSH;
vprDEBUG(vrjDBG_DISP_MGR,vprDBG_STATE_LVL) << "Display: " << newDisp << std::endl << vprDEBUG_FLUSH;
}
vprDEBUG_END(vrjDBG_DISP_MGR,vprDBG_STATE_LVL) << "------- DisplayManager::configAddDisplay Done. --------\n" << vprDEBUG_FLUSH;
return true;
}