// add a gui element to the page list
DWORD CGUIPage::OnAddGUIElementToPage(DWORD size, void *params)
{
OBJECTLIST::iterator olIter;
GUIPAGEMESSAGE *gpm;
IObject *guiObject;
static CHashString managerName(_T("CGUIManager"));
CGUIManager *manager;
// make sure message is valid
VERIFY_MESSAGE_SIZE(size, sizeof(GUIPAGEMESSAGE));
// downcast parameters to struct we expect
gpm = (GUIPAGEMESSAGE *)params;
// ask gui manager for the object to add
manager = dynamic_cast<CGUIManager*>(EngineGetToolBox()->GetComponent( &managerName ));
if (!manager)
{
EngineGetToolBox()->SetErrorValue(ERR_NULL_POINTER);
EngineGetToolBox()->Log(LOGERROR, _T("could not cast IComponent from EngineToolBox to CGUIManager\n"));
return MSG_ERROR;
}
guiObject = manager->GetObject(gpm->name, gpm->compType);
if(guiObject == NULL)
{
EngineGetToolBox()->SetErrorValue(ERR_NULL_POINTER);
EngineGetToolBox()->Log(LOGERROR, _T("could not get the gui object from the gui manager: %s object not found\n"), gpm->name);
return MSG_ERROR;
}
// check if object is already on list
for(olIter = m_ObjectList.begin(); olIter != m_ObjectList.end(); olIter++)
{
if ( (*olIter)->GetName()->GetUniqueID() == guiObject->GetName()->GetUniqueID() )
{
// object is already on page
return MSG_NOT_HANDLED;
}
}
// now add object to list
m_ObjectList.push_back(guiObject);
m_SortedMap.clear();
IGUIElement *guiElement = dynamic_cast<IGUIElement*>(guiObject);
guiElement->SetWidthRatio(m_fWidthRatio);
guiElement->SetHeightRatio(m_fHeightRatio);
guiElement->SetZoomFactor(m_fZoomFactor);
guiElement->SetPageOffset(m_iPageOffsetX, m_iPageOffsetY);
return MSG_HANDLED_STOP;
}
/// Sets the zoom for this page and all underlying gui elements
/// \param value - value to set zoom to
void CGUIPage::SetZoomFactor(float value)
{
m_fZoomFactor = value;
IGUIElement *guiElement;
OBJECTLIST::iterator olIter = m_ObjectList.begin();
while(olIter != m_ObjectList.end())
{
guiElement = dynamic_cast<IGUIElement*>((*olIter));
if(guiElement == NULL)
{
m_ToolBox->SetErrorValue(ERR_NULL_POINTER);
m_ToolBox->Log(LOGERROR, _T("Could not cast to IGUIElement: %s"), (*olIter)->GetName());
}
guiElement->SetZoomFactor(value);
olIter++;
}
}