FiladePrioridadecomGUI/ui.cc

#include "ui.hh"

#include <gtkmm.h>
#include <iostream>

Ui::Ui(const Glib::RefPtr<Gtk::Application>& app): m_Box(Gtk::Orientation::VERTICAL), m_Box1(Gtk::Orientation::VERTICAL), m_Button("Add document"), m_Button1("Print all"){
  set_title("Priority queue (heap)");
  set_resizable(false); 
  
  set_child(m_Box); //We can put a MenuBar at the top of the box and other stuff below it.

  //Define the actions:
  m_refActionGroup = Gio::SimpleActionGroup::create();

  m_refActionGroup->add_action("quit",
			       sigc::mem_fun(*this, &Ui::on_action_file_quit));
  
  m_refActionGroup->add_action("about",
			       sigc::mem_fun(*this, &Ui::on_action_about));


  insert_action_group("example", m_refActionGroup);

  //Define how the actions are presented in the menus and toolbars:
  m_refBuilder = Gtk::Builder::create();

  //Layout the actions in a menubar and toolbar:
  const Glib::ustring ui_info =
    "<interface>"
    "  <menu id='menubar'>"
    "    <submenu>"
    "      <attribute name='label' translatable='yes'>_File</attribute>"
    "      <section>"
    "        <item>"
    "          <attribute name='label' translatable='yes'>_Quit</attribute>"
    "          <attribute name='action'>example.quit</attribute>"
    "        </item>"
    "      </section>"
    "    </submenu>"
    "    <submenu>"
    "      <attribute name='label' translatable='yes'>_Help</attribute>"
    "      <item>"
    "        <attribute name='label' translatable='yes'>_About</attribute>"
    "        <attribute name='action'>example.about</attribute>"
    "      </item>"
    "    </submenu>"
    "  </menu>"
    "</interface>";

  // Set accelerator keys:
  app->set_accel_for_action("example.quit", "<Primary>q");
  app->set_accel_for_action("example.about", "<Primary>a");

  try{
    m_refBuilder->add_from_string(ui_info);
  }
  catch(const Glib::Error& ex){
    std::cerr << "Building menus and toolbar failed: " <<  ex.what();
  }

  //Get the menubar:
  auto gmenu = m_refBuilder->get_object<Gio::Menu>("menubar");
  if (!gmenu)
    g_warning("GMenu not found");
  else{
    auto pMenuBar = Gtk::make_managed<Gtk::PopoverMenuBar>(gmenu);

    //Add the PopoverMenuBar to the window:
    m_Box.append(*pMenuBar);
  }

  //Get the toolbar and add it to a container widget:
  auto toolbar = m_refBuilder->get_widget<Gtk::Box>("toolbar");
  if (!toolbar)
    g_warning("toolbar not found");
  else
    m_Box.append(*toolbar);

  m_Box.append(m_Box1);

  m_Box1.append(m_Button);
  m_Box1.append(m_Button1);
  m_Box1.set_homogeneous(true); 

  m_Button.set_margin(10);
  m_Button1.set_margin(10);

  m_Button.signal_clicked().connect(sigc::mem_fun(*this,
						  &Ui::addDocument));

  m_Button1.signal_clicked().connect(sigc::mem_fun(*this,
						   &Ui::printAll));

}

void Ui::addDocument(){
  uiAddDocument = new UiAddDocument(fila);
  uiAddDocument->show(); 
}

void Ui::printAll(){
  uiPrintAll = new UiPrintAll(fila);
  uiPrintAll->show(); 
}

void Ui::on_action_file_quit(){
  set_visible(false); //Closes the main window to stop the app->make_window_and_run().
}

void Ui::on_action_about(){
  uiAbout = new UiAbout;
  uiAbout->show(); 
}

void Ui::on_action_toggle(){
  std::cout << "The toggle menu item was selected." << std::endl;

  bool active = false;
  m_refActionRain->get_state(active);

  //The toggle action's state does not change automatically:
  active = !active;
  m_refActionRain->change_state(active);

  Glib::ustring message;
  if(active)
    message = "Toggle is active.";
  else
    message = "Toggle is not active";

  std::cout << message << std::endl;
}