attach_slot.cxx

#include "attach_slot.h"
 
namespace cgv {
    namespace base {
 
attach_slot::attach_slot()
{
    attachment_user_data = 0;
}
 
 
void attach_slot::attach(base_ptr attachment_object, void* user_data)
{
    attachment_user_data = user_data;
    attachment = attachment_object;
}
 
void attach_slot::attach(base_ptr attachment_object, int user_data)
{
    attach(attachment_object, (void*&)user_data);
}
 
base_ptr attach_slot::get_attachment() const
{
    return attachment;
}
 
void* attach_slot::get_attachement_data() const
{
    return attachment_user_data;
}
 
bool attach(base_ptr slot_object, base_ptr attachment_object, void* user_data)
{
    attach_slot* as = slot_object->get_interface<attach_slot>();
    if (!as)
        return false;
    as->attach(attachment_object, user_data);
    return true;
}
 
bool attach(base_ptr slot_object, base_ptr attachment_object, int user_data)
{
    return attach(slot_object, attachment_object, (void*&) user_data);
}
 
base_ptr get_attachment(base_ptr slot_object)
{
    attach_slot* as = slot_object->get_interface<attach_slot>();
    if (!as)
        return base_ptr();
    return as->get_attachment();
}
 
void* get_attachment_data(base_ptr slot_object)
{
    attach_slot* as = slot_object->get_interface<attach_slot>();
    if (!as)
        return 0;
    return as->get_attachement_data();
}
 
int get_attachment_data_int(base_ptr slot_object)
{
    void* ud = get_attachment_data(slot_object);
    return (int&) ud;
}
 
    }
}