Client/include/mnu_help_about.h

   1
   2 /* Maneja el Ayuda->Acerca de */
   3
   4 #include <gtkmm.h>
   5 #include <glibmm/iochannel.h>
   6 #include <iostream>
   7
   8 class MnuHelpAbout:public Gtk::MenuItem {
   9 public:
  10         MnuHelpAbout(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& refGlade):Gtk::MenuItem(cobject) {
  11         }
  12         virtual ~MnuHelpAbout() {}
  13
  14 protected:
  15         Glib::RefPtr<Gnome::Glade::Xml> refXml;
  16
  17         virtual void on_activate() {
  18                 // preparo para leer el archivo ChangeLog
  19                 Glib::ustring line;
  20                 Glib::RefPtr<Gtk::TextBuffer> log_buffer;
  21                 Glib::RefPtr<Glib::IOChannel> log_io;
  22
  23                 log_buffer = Gtk::TextBuffer::create();
  24                 log_io = Glib::IOChannel::create_from_file("../ChangeLog", "r");
  25                 while (log_io->read_line(line) != Glib::IO_STATUS_EOF) {
  26                         log_buffer->insert_at_cursor(line);
  27                 }
  28
  29                 try {
  30                         refXml = Gnome::Glade::Xml::create("client.glade", "dlgAbout");
  31                 }
  32                 catch(const Gnome::Glade::XmlError &ex) {
  33                         std::cerr << ex.what() << std::endl;
  34                         return;
  35                 }
  36                 Gtk::Window *dlg = 0;
  37                 Gtk::Button *btn_cerrar = 0;
  38                 Gtk::TextView *txt_changelog = 0;
  39                 refXml->get_widget("dlgAbout", dlg);
  40                 refXml->get_widget("btn_close", btn_cerrar);
  41                 refXml->get_widget("txt_changelog", txt_changelog);
  42                 btn_cerrar->signal_clicked().connect(SigC::slot(*dlg, &Gtk::Dialog::hide));
  43                 txt_changelog->set_buffer(log_buffer);
  44                 dlg->show();
  45         }
  46 };
  47