int main(int argc, char *argv[])
{
// make window
Glib::RefPtr<Gtk::Application> app =
Gtk::Application::create(argc, argv,
"tutorial2");
Gtk::Window window;
window.set_default_size(400,200);
window.set_title("Tutorial 2");
// This creates a vertical box container with 0 padding
Gtk::Box *vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0));
window.add(*vbox);
// creates menu bar
Gtk::MenuBar *menubar = Gtk::manage(new Gtk::MenuBar());
vbox->pack_start(*menubar, Gtk::PACK_SHRINK, 0);
// create menu items
Gtk::MenuItem *menuitem_file = Gtk::manage(new Gtk::MenuItem("_File", true));
menubar->append(*menuitem_file);
Gtk::Menu *filemenu = Gtk::manage(new Gtk::Menu());
menuitem_file->set_submenu(*filemenu);
Gtk::MenuItem *menuitem_quit = Gtk::manage(new Gtk::MenuItem("_Quit", true));
filemenu->append(*menuitem_quit);
// create grid container with border width 10
// and add it to the new cell of the vertical box
Gtk::Grid *grid = Gtk::manage(new Gtk::Grid);
grid->set_border_width(10);
vbox->add(*grid);
// create button
Gtk::Button *b1 = Gtk::manage(new Gtk::Button("Button 1"));
b1->set_hexpand(true); // take up all unused space horizontally
b1->set_vexpand(true); // take up all unused space vertically
// possition 0(x), 0(y), span 1 cell wide and 2 cells down
grid->attach(*b1, 0, 0, 1, 2);
Gtk::Button *b2 = Gtk::manage(new Gtk::Button("Button 2"));
grid->attach(*b2, 1, 0, 1, 1);
Gtk::Button *b3 = Gtk::manage(new Gtk::Button("Button 3"));
grid->attach(*b3, 1, 1, 1, 1);
vbox->show_all();
return app->run(window);
}
myWindow::myWindow()
{
set_default_size(400, 200);
set_title("Tutorial 3");
Gtk::Box *vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0));
add(*vbox);
Gtk::MenuBar *menubar = Gtk::manage(new Gtk::MenuBar());
vbox->pack_start(*menubar, Gtk::PACK_SHRINK, 0);
Gtk::MenuItem *menuitem_file = Gtk::manage(new Gtk::MenuItem("_File", true));
menubar->append(*menuitem_file);
Gtk::Menu *filemenu = Gtk::manage(new Gtk::Menu());
menuitem_file->set_submenu(*filemenu);
Gtk::MenuItem *menuitem_quit = Gtk::manage(new Gtk::MenuItem("_Quit", true));
menuitem_quit->signal_activate().connect(sigc::mem_fun(*this, &myWindow::on_quit_click));
filemenu->append(*menuitem_quit);
Gtk::Grid *grid = Gtk::manage(new Gtk::Grid);
grid->set_border_width(10);
vbox->add(*grid);
Gtk::Button *b1 = Gtk::manage(new Gtk::Button("Big Button 1"));
b1->set_hexpand(true);
b1->set_vexpand(true);
b1->signal_clicked().connect(sigc::mem_fun(*this, &myWindow::on_big_button1_click));
grid->attach(*b1, 0, 0, 1, 2);
Gtk::Button *b2 = Gtk::manage(new Gtk::Button("Button 2"));
b2->signal_clicked().connect(sigc::mem_fun(*this, &myWindow::on_button2_click));
grid->attach(*b2, 1, 0, 1, 1);
Gtk::Button *b3 = Gtk::manage(new Gtk::Button("Button 3"));
b3->signal_clicked().connect(sigc::mem_fun(*this, &myWindow::on_button3_click));
grid->attach(*b3, 1, 1, 1, 1);
vbox->show_all();
}