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cherche exemple de code GtkMM4 (C++) pour ajouter des options à une application GtkMM-4 graphique (libre) add_main_option_entry



Bonjour la liste,

 est l'embryon d'un logiciel libre (sous licence MIT, je vais peut-être plus tard la remplacer par la licence CeCILL ou GPLv3+) d'interface graphique pour le moteur d'inférences RefPerSys, lui-même en cours de développement en 

 pour Linux et sous licence GPLv3+ (ou la CeCILL équivalente).

ce gtk4gui-refpersys contient le code suivant:


// file RefPerSys/gtk4gui-refpersys/mainrps_gtk.cc
//  SPDX-License-Identifier: MIT

/******
 * © Copyright 2023 - 2024 Basile STARYNKEVITCH and Abishek CHAKRAVARTI
 *
 * A GTK4mm toolkit graphical interface (see fox-toolkit.org)
 * to the RefPerSys open source (GPLv3+ licensed) inference engine
 *
 * see gnome.pages.gitlab.gnome.org/gtkmm-documentation/
 *
 * See refpersys.org and code on https://github.com/RefPerSys/
 *
 ******/

#include "gtkrps.hh"

#include "gtkmm/version.h"

const char*gtkrps_progname;
const char gtkrps_git_id[] = GIT_ID;
const char gtkrps_shortgit_id[] = SHORTGIT_ID;
const char gtkrps_buildhost[]= GTKRPS_HOST;
const char gtkrps_arch[] = GTKRPS_ARCH;
const char gtkrps_opersys[] = GTKRPS_OPERSYS;
const char gtkrps_timestamp[] = __DATE__ "@" __TIME__;

extern "C" const char guirefpersys_ui[];
char gtkrps_myhostname[80];
void* gtkrps_dlhandle;
bool gtkrps_stderr_istty;


static void
gtkrps_show_version(void)
{
  printf("%s version information\n", gtkrps_progname);
  printf("\t full git %s\n", gtkrps_git_id);
  printf("\t short git %s\n", gtkrps_shortgit_id);
  printf("\t build host %s\n", gtkrps_buildhost);
  printf("\t arch: %s\n", gtkrps_arch);
  printf("\t OS: %s\n", gtkrps_opersys);
  printf("\t built: %s\n", gtkrps_timestamp);
  /// for some reason, don't work!
#if 0 && bad
  printf("\t GTKmm version: %d.%d.%d\n",
         gtkmm_major_version, gtkmm_minor_version, gtkmm_micro_version);
#endif
} // end gtkrps_show_version


void
gtkrps_fatal_stop_at(const char*fil, int lin)
{
  fprintf(stderr, "%s FATAL STOP (%s:%d) pid %d shortgit %s\n",
          gtkrps_progname,
          fil, lin,
          (int)getpid(), gtkrps_shortgit_id);
  abort();

} // end gtkrps_fatal_stop_at

extern "C" const char gtkrpsui_guirefpersys[];

Glib::RefPtr<Gtk::Application> gtkrps_app;
Gtk::Window*gtkrps_mainwin;

int
main(int argc, char**argv)
{
  assert(argc>0);
  gtkrps_progname = argv[0];
  gtkrps_dlhandle = dlopen(nullptr, RTLD_NOW| RTLD_GLOBAL);
  if (!gtkrps_dlhandle)
    GTKRPS_FATALOUT("failed to dlopen main program: " << dlerror());
  gtkrps_stderr_istty = isatty(STDERR_FILENO);
  memset (gtkrps_myhostname, 0, sizeof(gtkrps_myhostname));
  gethostname(gtkrps_myhostname, sizeof(gtkrps_myhostname)-4);
  if (argc > 1 && !strcmp(argv[1], "--version"))
    {
      gtkrps_show_version();
      exit (EXIT_SUCCESS);
    };
  gtkrps_app = Gtk::Application::create ("org.refpersys.gtk4gui");
#warning help needed here to parse program arguments
#if 0 && badcode ///////////////////////////////=============================
  gtkrps_app->add_main_option_entry(Gtk::OPTION_TYPE_BOOL,   "version",    'V',
                                    ("Print version"),                       "");
  gtkrps_app->add_main_option_entry(Gtk::Application::OPTION_TYPE_STRING,   "fifo-prefix",    'F',
                                    ("set the prefix of FIFO used for communication"),
                                    "");
#endif
  Glib::ustring builder_str(gtkrpsui_guirefpersys);
  auto builder = Gtk::Builder::create_from_string(builder_str);
  gtkrps_app->signal_activate().connect([&] ()
  {
    gtkrps_mainwin = builder->get_widget<Gtk::Window>("app_window");
    gtkrps_app->add_window(*gtkrps_mainwin);
    gtkrps_mainwin->show();
  });
  return gtkrps_app->run(argc, argv);
} // end main

/****************
 **                           for Emacs...
 ** Local Variables: ;;
 ** compile-command: "make guigtkrps" ;;
 ** End: ;;
 ****************/



Voir ci dessus les lignes autour du //////////========

Mais ça fait plusieurs jours que je bute sur l'utilisation de la méthode add_main_option_entry dans GTKmm4. Si j'enlève le #if 0 j'ai une erreur de compilation (avec g++-13):

rimski.x86_64 ~/gtk4gui-refpersys 16:50 .0 % make mainrps_gtk.o
g++ -fPIE -O1  -I/usr/include/gtkmm-4.0 -I/usr/lib/x86_64-linux-gnu/gtkmm-4.0/include -I/usr/include/giomm-2.68 -I/usr/lib/x86_64-linux-gnu/giomm-2.68/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/glibmm-2.68 -I/usr/lib/x86_64-linux-gnu/glibmm-2.68/include -I/usr/include/sigc++-3.0 -I/usr/lib/x86_64-linux-gnu/sigc++-3.0/include -I/usr/include/gtk-4.0 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/x86_64-linux-gnu -I/usr/include/webp -I/usr/include/graphene-1.0 -I/usr/lib/x86_64-linux-gnu/graphene-1.0/include -I/usr/include/cairomm-1.16 -I/usr/lib/x86_64-linux-gnu/cairomm-1.16/include -I/usr/include/pangomm-2.48 -I/usr/lib/x86_64-linux-gnu/pangomm-2.48/include -I/usr/include/gtk-4.0/unix-print -mfpmath=sse -msse -msse2 -pthread -I/usr/include/jsoncpp  -DGIT_ID=\"34e23fb9c26d316f6113f5c1a52146e80b3683d3+\" -DSHORTGIT_ID=\"34e23fb9c26d+\" -DGTKRPS_HOST=\"rimski.lesours\" -DGTKRPS_ARCH=\"x86_64\" -DGTKRPS_OPERSYS=\"GNU_Linux\"    -c -o mainrps_gtk.o mainrps_gtk.cc
mainrps_gtk.cc:85:2: warning: #warning help needed here to parse program arguments [-Wcpp]
   85 | #warning help needed here to parse program arguments
      |  ^~~~~~~
mainrps_gtk.cc: In function ‘int main(int, char**)’:
mainrps_gtk.cc:87:42: error: OPTION_TYPE_BOOL’ is not a member of ‘Gtk’
   87 |   gtkrps_app->add_main_option_entry(Gtk::OPTION_TYPE_BOOL,   "version",    'V',
      |                                          ^~~~~~~~~~~~~~~~
mainrps_gtk.cc:89:55: error: OPTION_TYPE_STRING’ is not a member of ‘Gtk::Application’
   89 |   gtkrps_app->add_main_option_entry(Gtk::Application::OPTION_TYPE_STRING,   "fifo-prefix",    'F',
      |                                                     

Où est mon erreur? Comment utiliser add_main_option_entry?


Merci de vos lumières et de votre aide

-- 
Basile Starynkevitch             <basile@starynkevitch.net>
(only mine opinions / les opinions sont miennes uniquement)
92340 Bourg-la-Reine, France
web page: starynkevitch.net/Basile/
See/voir:   https://github.com/RefPerSys/RefPerSys


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