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bug#68055: lightdm and lightdm-gtk-greeter do not show session menu in g
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From: |
Feng Shu |
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Subject: |
bug#68055: lightdm and lightdm-gtk-greeter do not show session menu in guix. |
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Date: |
Wed, 27 Dec 2023 15:14:15 +0800 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
See previous info: https://issues.guix.gnu.org/57168
> It works fine, but there are a few gotchas:
> 1. The session selection menu doesn't show the items. I don't know why.
> Perhaps a regresssion with newer GTK+.
I use below code to test:
1. lightdm-gtk-greeter code:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
> /* Session menu */
> >
> g_debug ("XXXX: Call lightdm_get_sessions functions from main");
> >
> items = lightdm_get_sessions ();
> >
> g_debug ("XXXX: Session menuitem create start.");
> >
> if (gtk_widget_get_visible (session_menuitem))
> >
> {
> >
> GSList *sessions = NULL;
> >
>
> >
> if (gtk_icon_theme_has_icon (icon_theme,
> "document-properties-symbolic")) >
> session_badge = gtk_image_new_from_icon_name
> ("document-properties-symbolic", GTK_ICON_SIZE_MENU); >
> else
> >
> session_badge = gtk_image_new_from_icon_name
> ("document-properties", GTK_ICON_SIZE_MENU); >
> gtk_widget_show (session_badge);
> >
> gtk_container_add (GTK_CONTAINER (session_menuitem), session_badge);
> >
>
> >
> items = lightdm_get_sessions ();
> >
> for (item = items; item; item = item->next)
> >
> {
> >
> LightDMSession *session = item->data;
> >
> GtkWidget *radiomenuitem;
> >
>
> >
> g_debug ("XXXX: Session items: %s", lightdm_session_get_key
> (session)); >
>
> >
> radiomenuitem = gtk_radio_menu_item_new_with_label (sessions,
> lightdm_session_get_name (session)); >
> g_object_set_data (G_OBJECT (radiomenuitem), SESSION_DATA_KEY,
> (gpointer) lightdm_session_get_key (session)); >
> sessions = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM
> (radiomenuitem)); >
> g_signal_connect (G_OBJECT (radiomenuitem), "activate",
> G_CALLBACK (session_selected_cb), NULL); >
> gtk_menu_shell_append (GTK_MENU_SHELL (session_menu),
> radiomenuitem); >
> gtk_widget_show (GTK_WIDGET (radiomenuitem));
> >
> }
> >
>
> >
> set_session (NULL);
> >
> }
> >
>
> >
> g_debug ("XXXX: Session menuitem create stop.");
> >
>
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
2. liblightdm_gobject code:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
> /**
> >
> * lightdm_get_sessions:
> >
> *
> >
> * Get the available sessions.
> >
> *
> >
> * Return value: (element-type LightDMSession) (transfer none): A list of
> #LightDMSession >
> **/
> >
> GList *
> >
> lightdm_get_sessions (void)
> >
> {
> >
> g_debug ("Run lightdm_get_session function.");
> update_sessions ();
> >
> return local_sessions;
> >
> }
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
In my debian machine, it will show the below log, and I find that
lightdm_get_session will be called successfully.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
> DEBUG-Message: 10:51:53.859: XXXX: Call lightdm_get_sessions functions from
> main >
> DEBUG-Message: 10:51:53.859: Run lightdm_get_session function.
> >
> DEBUG-Message: 10:51:53.859: Sessions_dir
> /usr/share/lightdm/sessions:/usr/share/xsessions:/usr/share/wayland-sessions
> >
> DEBUG-Message: 10:51:53.859: Run lightdm_session_class_init.
> >
> DEBUG-Message: 10:51:53.859: Run lightdm_session_init.
> >
> DEBUG-Message: 10:51:53.859: Loaded session
> /usr/share/xsessions/lightdm-xsession.desktop (Default Xsession, )
> >
> DEBUG-Message: 10:51:53.860: Run lightdm_session_init.
> >
> DEBUG-Message: 10:51:53.860: Loaded session /usr/share/xsessions/xfce.desktop
> (Xfce 会话, 使用此会话将 Xfce 作为您的桌面环境运行) >
> DEBUG-Message: 10:51:53.860: Run lightdm_session_init.
> >
> DEBUG-Message: 10:51:53.860: Loaded session
> /usr/share/xsessions/icewm-session.desktop (IceWM Session, 此会话使您登录到 IceWM)
> >
> DEBUG-Message: 10:51:53.861: Run lightdm_session_init.
> >
> DEBUG-Message: 10:51:53.861: Loaded session
> /usr/share/wayland-sessions/weston.desktop (Weston, The reference Wayland
> server) >
> DEBUG-Message: 10:51:53.861: XXXX: Session menuitem create start.
> >
> DEBUG-Message: 10:51:53.864: Run lightdm_get_session function.
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session items: lightdm-xsession
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session items: icewm-session
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session items: weston
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session items: xfce
> >
> DEBUG-Message: 10:51:53.864: XXXX: Call lightdm_get_sessions functions from
> set_session, argument: (null) >
> DEBUG-Message: 10:51:53.864: Run lightdm_get_session function.
> >
> DEBUG-Message: 10:51:53.864: XXXX: Call lightdm_get_sessions functions from
> set_session, argument: xfce >
> DEBUG-Message: 10:51:53.864: Run lightdm_get_session function.
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session menuitem create stop.
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
But in guix, lightdm_get_sessions seem to not be called, for I can not
find string "Run lightdm_get_session function. " in log file, just like
the below:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
> DEBUG-Message: 10:51:53.859: XXXX: Call lightdm_get_sessions functions from
> main >
> DEBUG-Message: 10:51:53.861: XXXX: Session menuitem create start.
> >
> DEBUG-Message: 10:51:53.864: XXXX: Session menuitem create stop.
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > >
liblightdm-gobject shared library seem to be loaded, for when I remove this lib,
gtk-greeter will not show.
but why lightdm_get_sessions function do not be called while
liblightdm-gobject is loaded?
--
- bug#68055: lightdm and lightdm-gtk-greeter do not show session menu in guix.,
Feng Shu <=