neofx-zoomedit/src/Instance.cpp

#include <iostream>
#include "Instance.h"
#include "Gui/Window.h"

namespace ZoomEdit {

guint Instance::instances = 0;

Instance::Instance() : window(NULL) {
  instances++;
  
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  try
  {
    xml = Gnome::Glade::Xml::create("zoomedit.glade");
  }
  catch(const Gnome::Glade::XmlError& ex)
  {
    std::cerr << ex.what() << std::endl;
    return;
  }
#else
  std::auto_ptr<Gnome::Glade::XmlError> error;
  xml = Gnome::Glade::Xml::create("zoomedit.glade", "", "", error);
  if(error.get())
  {
    std::cerr << error->what() << std::endl;
    return;
  }
#endif
  
  xml->get_widget_derived("WindowMain", window);
  if(!window) {
    xml.clear();
    return;
  }
  
  window->signal_hide().connect(sigc::mem_fun(this, &Instance::destroy));
  
  window->show();
}

Instance::~Instance() {
  if(window)
    delete window;
  
  instances--;
  if(!instances)
    Gtk::Main::quit();
}

bool Instance::create() {
  Instance *instance = new Instance();
  
  if(!instance->xml) {
    delete instance;
    return false;
  }
  
  return true;
}

void Instance::destroy() {
  delete this;
}

}