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#include <glibmm.h>
#include <iostream>
#define VALUES 10
int on_compare(const Glib::ValueBase& v1, const Glib::ValueBase& v2)
{
const Glib::Value<int> intVal1 = static_cast< const Glib::Value<int>& >(v1);
const Glib::Value<int> intVal2 = static_cast< const Glib::Value<int>& >(v2);
int int1 = intVal1.get();
int int2 = intVal2.get();
if(int1 < int2)
return -1;
else if(int1 == int2)
return 0;
else
return 1;
}
int main(int, char**)
{
Glib::init();
Glib::Value<int> value[VALUES];
Glib::ValueArray array;
for(int i = 0; i < VALUES; i++)
{
value[i].init(Glib::Value<int>::value_type());
value[i].set(i + 1); // (i + 1) ==> Set to natural counting numbers.
array.prepend(value[i]);
}
std::cout << "Array members before sorting:" << std::endl;
for(int i = 0; i < VALUES; i++)
{
Glib::ValueBase value;
if(!array.get_nth(i, value))
{
std::cerr << "Error getting element " << i << " of value array." <<
std::endl;
break;
}
Glib::Value<int> int_val = static_cast< Glib::Value<int>& >(value);
std::cout << int_val.get() << " ";
}
std::cout << std::endl; // End of line for list of array elements.
// Sort array and remove last element:
array.sort(sigc::ptr_fun(&on_compare)).remove(VALUES - 1);
std::cout << "Array members after sorting without last element:" <<
std::endl;
for(int i = 0; i < VALUES - 1; i++)
{
Glib::ValueBase value;
if(!array.get_nth(i, value))
{
std::cerr << "Error getting element " << i << " of value array." <<
std::endl;
break;
}
Glib::Value<int> int_val = static_cast< Glib::Value<int>& >(value);
std::cout << int_val.get() << " ";
}
std::cout << std::endl; // End of line for list of array elements.
return 0;
}
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