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Hi I'm new to this mailing-list ;)
I have a little problem using pointers and buttons:
I put some check buttons in a VBox with a for loop. All the code is ok,
because when I leave the following line the program works fine.
a_CheckButtons[i-1]->signal_clicked().connect
(
sigc::mem_fun(*this, &Preferences::on_checkbutton_clicked)(&i,1)
);
The problem will also be in the line, but I think I've not understood
well in wich way sigc::mem_func() does work
this is my code:
Preferences::Preferences()
:
m_Frame("Preferences")
{
set_border_width(10);
set_size_request(150, 260);
set_title("Multiplication");
add(m_VBox);
m_Frame.add(m_HBox);
for(int i=1; i<=10; i+=2)
{
a_CheckButtons[i-1] = new Gtk::CheckButton();
a_CheckButtons[i-1]->set_label(to_string(i));
a_CheckButtons[i-1]->signal_clicked().connect
(
sigc::mem_fun(*this, &Preferences::on_checkbutton_clicked)(&i,
1)
);
m_VBox_1.pack_start(*a_CheckButtons[i-1]);
}
}
void Preferences::on_checkbutton_clicked(int &numero)
{
cout << "checked" << numero << endl;
}
thanks
Guglie
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