Thank you, I think I will use the first option. Thank you much.
2010/12/2 Dov Grobgeld <[email protected]> > Hi Emmanual, > > (Please ask questions like this to the gtk-list and not only directly to > me. I'm taking the freedom to CC the list for my reply. Hope it's ok with > you.) > > Here are five different ways that you use to pass more than one value in a > signal callback. > > 1. Use g_object_set_data() to attach additional data to the widgets. > This is a hash table and you can put whatever you want in it. In the handle > use g_object_get_data() to retrieve the values. > 2. Create a structure that contains the two values that you want to > pass a long, dynamically allocate it and pass a pointer to the memory as > the > last parameter of g_signal_connect(). > 3. Subclass GtkButton (I prefer to use gob2 or vala) for more compact > syntax and add your new parameter to the widget. > 4. Subclass one of the the parent widget of GtkButton (e.g. GtkWindow > as MyApp) and add your new parameter to the widget. In last parameter of > g_signal_callback() pass a pointer to MyApp. > 5. Use global variables. > > Hope this helps. > > Regards, > Dov > > > On Thu, Dec 2, 2010 at 03:20, Emmanuel Gontcho <[email protected]> wrote: > >> Hello Dov, >> >> I write to you to ask for help. I want to add to a GtkButton a signal >> which callback should carry two paramaters instead of the ordinary one with >> the "clicked" signal. You are a widget developper I saw a call to >> gtk_signal_new in your source code. I want you to tell me if that is (the >> call) all that must be done and how to trigger the signal, since I don't >> write a new widget but just add the signal to an existing one. >> >> Thank you. >> >> -- >> Emmanuel Mbenga Gontcho >> !!!!! Gem !!!!! >> >> gontcho.wordpress.com >> >> N'utilisez pas Windows 7. Pour savoir pourquoi : http://windows7sins.org/ >> Don't use Windows 7. To know why : http://windows7sins.org/ >> >> Membre de l'April - « promouvoir et défendre le logiciel libre » - >> http://www.april.org >> >> Rejoignez maintenant plus de 2 500 personnes, associations, entreprises et >> >> collectivités qui soutiennent notre action >> >> >> > -- Emmanuel Mbenga Gontcho !!!!! Gem !!!!! gontcho.wordpress.com N'utilisez pas Windows 7. Pour savoir pourquoi : http://windows7sins.org/ Don't use Windows 7. To know why : http://windows7sins.org/ Membre de l'April - « promouvoir et défendre le logiciel libre » - http://www.april.org Rejoignez maintenant plus de 2 500 personnes, associations, entreprises et collectivités qui soutiennent notre action
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