Re: Gtk::Grid can't see anything

[Big Gaz <earthwormgaz gmail com>]

Haha. Oops.

On Thu, 2013-03-07 at 10:01 +0100, Kjell Ahlstedt wrote:
> The buttons label1, label2, etc. are local variables in the loop. They 
> are deleted before you try to show them.
>
> Kjell
>
> 2013-03-07 08:36, Big Gaz skrev:
> > HI,
> >
> > I'm trying to draw a day calendar in Gtkmm, and for some reason, I can't
> > see anything with the code below. Just the window.
> >
> > Can anyone help?
> >
> > int
> > main (int argc, char *argv[])
> > {
> >     Gtk::Main kit(argc, argv);
> >
> >
> >     //Load the Glade file and instiate its widgets:
> >     Glib::RefPtr<Gtk::Builder> builder;
> >     try
> >     {
> >             builder = Gtk::Builder::create_from_file(UI_FILE);
> >     }
> >     catch (const Glib::FileError & ex)
> >     {
> >             std::cerr << ex.what() << std::endl;
> >             return 1;
> >     }
> >     Gtk::Window* main_win = 0;
> >     builder->get_widget("main_window", main_win);
> >
> >     Gtk::Grid m_grid;
> >
> >     const int i_START_HOUR = 6;
> >     for(int i = i_START_HOUR; i < 7; ++ i)
> >     {
> >             std::stringstream ss;
> >             ss << i;
> >             Gtk::Button label1(ss.str() + ":00"), label2("06:15"),
> > label3("06:30"), label4("06:45");
> >             
> >             m_grid.attach(label1, 0, i - i_START_HOUR,     1, 1);
> >             m_grid.attach(label2, 0, i - i_START_HOUR + 1, 1, 1);
> >             m_grid.attach(label3, 0, i - i_START_HOUR + 2, 1, 1);
> >             m_grid.attach(label4, 0, i - i_START_HOUR + 3, 1, 1);
> >     }
> >     
> >     main_win->add(m_grid);
> >     main_win->show_all_children();
> >     
> >     if (main_win)
> >     {
> >             kit.run(*main_win);
> >     }
> >     return 0;
> > }