/**
* Get all the childrens of an overlay
* @param ov The overlay where we will retreive the childrens
* @param ch Childrens
*/
void GUIHelper::getChildrens(Ogre::Overlay *ov,
std::vector<Ogre::OverlayContainer *> &ch)
{
ASSERT(ov);
ch.clear();
Ogre::Overlay::Overlay2DElementsIterator bit = ov->get2DElementsIterator();
Ogre::OverlayContainer *parent = 0;
while(bit.hasMoreElements()){
parent = bit.peekNext();
if(!parent){
break;
}
ch.push_back(parent);
bit.moveNext();
}
}
Ogre::OverlayContainer *GUIHelper::findContainer(Ogre::Overlay *overlay,
const Ogre::String subStrName)
{
ASSERT(overlay);
Ogre::Overlay::Overlay2DElementsIterator bit = overlay->get2DElementsIterator();
std::queue<Ogre::OverlayContainer *> q;
Ogre::OverlayContainer *parent = 0;
while(bit.hasMoreElements()){
parent = bit.peekNext();
if(!parent){
break;
}
q.push(parent);
bit.moveNext();
}
while(!q.empty()){
parent = q.back();
q.pop();
if(parent->getName().find(subStrName) != Ogre::String::npos){
// we find it
return parent;
}
// else we have to iterate over all the children an put it in the queue
Ogre::OverlayContainer *child = 0;
Ogre::OverlayContainer::ChildIterator it = parent->getChildIterator();
while(it.hasMoreElements()){
child = static_cast<Ogre::OverlayContainer *>(it.peekNextValue());
if(!child){
break;
}
// else we put it in the queue
q.push(child);
it.moveNext();
}
}
return 0;
}
void GUIHelper::fullDestroyOverlay(Ogre::Overlay *overlay)
{
ASSERT(overlay);
Ogre::Overlay::Overlay2DElementsIterator it = overlay->get2DElementsIterator();
Ogre::OverlayManager &om = Ogre::OverlayManager::getSingleton();
std::vector<Ogre::OverlayElement *> elements;
Ogre::OverlayContainer *parent = 0;
while(it.hasMoreElements()){
parent = it.peekNext();
if(!parent){
break;
}
Ogre::OverlayContainer::ChildIterator it2 = parent->getChildIterator();
Ogre::OverlayContainer *child = 0;
while(it2.hasMoreElements()){
child = static_cast<Ogre::OverlayContainer *>(it2.peekNextValue());
if(!child){
break;
}
// else.. delete the container
fullDestroyOverlayElement(child);
it2.moveNext();
}
elements.push_back(parent);
it.moveNext();
}
for(int i = 0; i < elements.size(); ++i){
destroyMaterial(elements[i]->getMaterialName());
om.destroyOverlayElement(elements[i]);
}
om.destroy(overlay);
}
/**
* Bugfix for the nested overlay containers position. This function will
* get a overlay and will iterate over all the (child) containers and will
* set the new "relative" position
* @param overlay The overlay to fix the childs positions
*/
void GUIHelper::fixOverlayPosition(Ogre::Overlay *overlay)
{
ASSERT(overlay);
Ogre::Overlay::Overlay2DElementsIterator it = overlay->get2DElementsIterator();
Ogre::OverlayContainer *parent = 0;
while(it.hasMoreElements()){
parent = it.peekNext();
if(!parent){
break;
}
// else we have the parent... get the top left and sizes
Ogre::Real top = parent->getTop();
Ogre::Real left = parent->getLeft();
Ogre::Real height = parent->getHeight();
Ogre::Real width = parent->getWidth();
Ogre::OverlayContainer::ChildIterator it2 = parent->getChildIterator();
Ogre::OverlayContainer *child = 0;
while(it2.hasMoreElements()){
child = static_cast<Ogre::OverlayContainer *>(it2.peekNextValue());
if(!child){
break;
}
// else.. we have to configure this child with the parent size and
// position
reposContainer(child, left, top, height, width);
it2.moveNext();
}
it.moveNext();
}
}