event_handler.cxx

#include "event_handler.h"
#include "key_control.h"
#include <cgv/base/group.h>
#include <cgv/type/info/type_name.h>
#include <cgv/signal/rebind.h>
 
namespace cgv {
    namespace gui {

event_handler::event_handler() : traverse_policy(base::TP_AUTO_FOCUS+base::TP_STOP_ON_SUCCESS)
{
}

bool event_handler::grab_focus()
{
    return base::grab_focus(this);
}

bool event_handler::add_key_control(const std::string& property, const std::string& options, cgv::base::group_ptr gp)
{
    cgv::base::group* g;
    if (gp.empty())
        g = dynamic_cast<cgv::base::group*>(this);
    else
        g = &(*gp);
    if (!g)
        return false;
 
    std::string type_name;
    void* property_ptr = g->find_member_ptr(property, &type_name);
    if (!property_ptr)
        return false;
    if (type_name == cgv::type::info::type_name<float>::get_name()) {
        cgv::data::ref_ptr<control<float> > cp = new key_control<float>(property+" key_control", *((float*)property_ptr), options);
        g->append_child(cp);
        connect_copy(cp->value_change, cgv::signal::rebind(static_cast<cgv::base::base*>(g), &cgv::base::base::on_set, property_ptr));
    }
    else if (type_name == cgv::type::info::type_name<double>::get_name()) {
        cgv::data::ref_ptr<control<double> > cp = new key_control<double>(property+" key_control", *((double*)property_ptr), options);
        g->append_child(cp);
        connect_copy(cp->value_change, cgv::signal::rebind(static_cast<cgv::base::base*>(g), &cgv::base::base::on_set, property_ptr));
    }
    else if (type_name == cgv::type::info::type_name<bool>::get_name()) {
        cgv::data::ref_ptr<control<bool> > cp = new key_control<bool>(property+" key_control", *((bool*)property_ptr), options);
        g->append_child(cp);
        connect_copy(cp->value_change, cgv::signal::rebind(static_cast<cgv::base::base*>(g), &cgv::base::base::on_set, property_ptr));
    }
    else
        return false;
    return true;
}
    }
}