creating a vector of a vector of Gtk::ToggleButton

[Rob Benton <rob benton conwaycorp net>]

Ok guys, I would best describe myself as a budding stl programmer.  I 
have a situation where I need a matrix of toggle buttons but rather than 
use an array I'm using a vector of vectors.  The error looks to me like 
the Gtk::ToggleButton's copy constructor is declared as private but that 
seems weird.  Here's my code:

CODE
========================================================================
typedef std::vector<Gtk::ToggleButton>	chiprow;

std::vector<chiprow>		_chips;

const int rows = 10;
const int cols = 10;

for (int i = 0; i < rows; ++i)
	{
		std::vector<Gtk::ToggleButton>	cr;
		
		for (int j = 0; j < cols; ++j)
		{
			Gtk::ToggleButton	tb;
			cr.push_back(tb);
		}
		
		_chips.push_back(cr);
	}
}
========================================================================

I'm attaching the error separately b/c it's long.  Am I on the right 
track or do I have the wrong approach?  Comments appreciated.

/usr/include/gtkmm-2.4/gtkmm/togglebutton.h: In function `void 
   std::_Construct(_T1*, const _T2&) [with _T1 = Gtk::ToggleButton, _T2 = 
   Gtk::ToggleButton]':
/usr/include/c++/3.3/bits/stl_vector.h:599:   instantiated from `void std::vector<_Tp, _Alloc>::push_back(const _Tp&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
CPU.C:35:   instantiated from here
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h:69: error: `
   Gtk::ToggleButton::ToggleButton(const Gtk::ToggleButton&)' is private
/usr/include/c++/3.3/bits/stl_construct.h:78: error: within this context
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h: In member function `void 
   std::vector<_Tp, _Alloc>::_M_insert_aux(__gnu_cxx::__normal_iterator<_Tp*, 
   std::vector<_Tp, _Alloc> >, const _Tp&) [with _Tp = Gtk::ToggleButton, 
   _Alloc = std::allocator<Gtk::ToggleButton>]':
/usr/include/c++/3.3/bits/stl_vector.h:603:   instantiated from `void std::vector<_Tp, _Alloc>::push_back(const _Tp&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
CPU.C:35:   instantiated from here
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h:69: error: `
   Gtk::ToggleButton::ToggleButton(const Gtk::ToggleButton&)' is private
/usr/include/c++/3.3/bits/vector.tcc:228: error: within this context
/usr/include/c++/3.3/bits/stl_vector.h:603:   instantiated from `void std::vector<_Tp, _Alloc>::push_back(const _Tp&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
CPU.C:35:   instantiated from here
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h:70: error: `Gtk::ToggleButton& 
   Gtk::ToggleButton::operator=(const Gtk::ToggleButton&)' is private
/usr/include/c++/3.3/bits/vector.tcc:230: error: within this context
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h: In function `_BidirectionalIter 
   std::__copy_backward(_RandomAccessIter, _RandomAccessIter, 
   _BidirectionalIter, std::random_access_iterator_tag) [with _RandomAccessIter 
   = Gtk::ToggleButton*, _BidirectionalIter = Gtk::ToggleButton*]':
/usr/include/c++/3.3/bits/stl_algobase.h:392:   instantiated from `static _BidirectionalIter2 std::__copy_backward_dispatch<_BidirectionalIter1, _BidirectionalIter2, _BoolType>::copy(_BidirectionalIter1, _BidirectionalIter1, _BidirectionalIter2) [with _BidirectionalIter1 = Gtk::ToggleButton*, _BidirectionalIter2 = Gtk::ToggleButton*, _BoolType = __false_type]'
/usr/include/c++/3.3/bits/stl_algobase.h:427:   instantiated from `_BI2 std::__copy_backward_aux(_BI1, _BI1, _BI2) [with _BI1 = Gtk::ToggleButton*, _BI2 = Gtk::ToggleButton*]'
/usr/include/c++/3.3/bits/stl_algobase.h:435:   instantiated from `_BI2 std::__copy_backward_output_normal_iterator(_BI1, _BI1, _BI2, __true_type) [with _BI1 = Gtk::ToggleButton*, _BI2 = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:449:   instantiated from `_BI2 std::__copy_backward_input_normal_iterator(_BI1, _BI1, _BI2, __true_type) [with _BI1 = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >, _BI2 = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:489:   instantiated from `_BI2 std::copy_backward(_BI1, _BI1, _BI2) [with _BI1 = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >, _BI2 = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/vector.tcc:229:   instantiated from `void std::vector<_Tp, _Alloc>::_M_insert_aux(__gnu_cxx::__normal_iterator<_Tp*, std::vector<_Tp, _Alloc> >, const _Tp&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
/usr/include/c++/3.3/bits/stl_vector.h:603:   instantiated from `void std::vector<_Tp, _Alloc>::push_back(const _Tp&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
CPU.C:35:   instantiated from here
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h:70: error: `Gtk::ToggleButton& 
   Gtk::ToggleButton::operator=(const Gtk::ToggleButton&)' is private
/usr/include/c++/3.3/bits/stl_algobase.h:374: error: within this context
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h: In function `_OutputIter 
   std::__copy(_RandomAccessIter, _RandomAccessIter, _OutputIter, 
   std::random_access_iterator_tag) [with _RandomAccessIter = const 
   Gtk::ToggleButton*, _OutputIter = Gtk::ToggleButton*]':
/usr/include/c++/3.3/bits/stl_algobase.h:260:   instantiated from `_OutputIter std::__copy_aux2(_InputIter, _InputIter, _OutputIter, __false_type) [with _InputIter = const Gtk::ToggleButton*, _OutputIter = Gtk::ToggleButton*]'
/usr/include/c++/3.3/bits/stl_algobase.h:289:   instantiated from `_OutputIter std::__copy_ni2(_InputIter, _InputIter, _OutputIter, __true_type) [with _InputIter = const Gtk::ToggleButton*, _OutputIter = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:314:   instantiated from `_OutputIter std::__copy_ni1(_InputIter, _InputIter, _OutputIter, __true_type) [with _InputIter = __gnu_cxx::__normal_iterator<const Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >, _OutputIter = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:349:   instantiated from `_OutputIter std::copy(_InputIter, _InputIter, _OutputIter) [with _InputIter = __gnu_cxx::__normal_iterator<const Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >, _OutputIter = __gnu_cxx::__normal_iterator<Gtk::ToggleButton*, std::vector<Gtk::ToggleButton, std::allocator<Gtk::ToggleButton> > >]'
/usr/include/c++/3.3/bits/vector.tcc:142:   instantiated from `std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = Gtk::ToggleButton, _Alloc = std::allocator<Gtk::ToggleButton>]'
/usr/include/c++/3.3/bits/stl_algobase.h:374:   instantiated from `_BidirectionalIter std::__copy_backward(_RandomAccessIter, _RandomAccessIter, _BidirectionalIter, std::random_access_iterator_tag) [with _RandomAccessIter = _chiprow*, _BidirectionalIter = _chiprow*]'
/usr/include/c++/3.3/bits/stl_algobase.h:392:   instantiated from `static _BidirectionalIter2 std::__copy_backward_dispatch<_BidirectionalIter1, _BidirectionalIter2, _BoolType>::copy(_BidirectionalIter1, _BidirectionalIter1, _BidirectionalIter2) [with _BidirectionalIter1 = _chiprow*, _BidirectionalIter2 = _chiprow*, _BoolType = __false_type]'
/usr/include/c++/3.3/bits/stl_algobase.h:427:   instantiated from `_BI2 std::__copy_backward_aux(_BI1, _BI1, _BI2) [with _BI1 = _chiprow*, _BI2 = _chiprow*]'
/usr/include/c++/3.3/bits/stl_algobase.h:435:   instantiated from `_BI2 std::__copy_backward_output_normal_iterator(_BI1, _BI1, _BI2, __true_type) [with _BI1 = _chiprow*, _BI2 = __gnu_cxx::__normal_iterator<_chiprow*, std::vector<_chiprow, std::allocator<_chiprow> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:449:   instantiated from `_BI2 std::__copy_backward_input_normal_iterator(_BI1, _BI1, _BI2, __true_type) [with _BI1 = __gnu_cxx::__normal_iterator<_chiprow*, std::vector<_chiprow, std::allocator<_chiprow> > >, _BI2 = __gnu_cxx::__normal_iterator<_chiprow*, std::vector<_chiprow, std::allocator<_chiprow> > >]'
/usr/include/c++/3.3/bits/stl_algobase.h:489:   instantiated from `_BI2 std::copy_backward(_BI1, _BI1, _BI2) [with _BI1 = __gnu_cxx::__normal_iterator<_chiprow*, std::vector<_chiprow, std::allocator<_chiprow> > >, _BI2 = __gnu_cxx::__normal_iterator<_chiprow*, std::vector<_chiprow, std::allocator<_chiprow> > >]'
/usr/include/c++/3.3/bits/vector.tcc:229:   instantiated from `void std::vector<_Tp, _Alloc>::_M_insert_aux(__gnu_cxx::__normal_iterator<_Tp*, std::vector<_Tp, _Alloc> >, const _Tp&) [with _Tp = _chiprow, _Alloc = std::allocator<_chiprow>]'
/usr/include/c++/3.3/bits/stl_vector.h:603:   instantiated from `void std::vector<_Tp, _Alloc>::push_back(const _Tp&) [with _Tp = _chiprow, _Alloc = std::allocator<_chiprow>]'
CPU.C:38:   instantiated from here
/usr/include/gtkmm-2.4/gtkmm/togglebutton.h:70: error: `Gtk::ToggleButton& 
   Gtk::ToggleButton::operator=(const Gtk::ToggleButton&)' is private
/usr/include/c++/3.3/bits/stl_algobase.h:241: error: within this context
make[2]: *** [CPU.o] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive-am] Error 2