[gnome-applets] window-buttons: port to WnckHandle

[Alberts Muktupāvels <muktupavels src gnome org>]

commit fddefa81b027bd9e4c98c321397032d5c581150b
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 2 14:44:39 2022 +0300

    window-buttons: port to WnckHandle

 gnome-applets/window-buttons/window-buttons-private.h | 1 +
 gnome-applets/window-buttons/window-buttons.c         | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/gnome-applets/window-buttons/window-buttons-private.h 
b/gnome-applets/window-buttons/window-buttons-private.h
index e8ccc192e..780598376 100644
--- a/gnome-applets/window-buttons/window-buttons-private.h
+++ b/gnome-applets/window-buttons/window-buttons-private.h
@@ -152,6 +152,7 @@ struct _WBApplet
        /* Variables */
        WBPreferences   *prefs;                         // Main preferences
        WindowButton    **button;                       // Array of buttons
+       WnckHandle *handle;
        WnckScreen              *activescreen;          // Active screen
 
        gulong active_window_changed_id;
diff --git a/gnome-applets/window-buttons/window-buttons.c b/gnome-applets/window-buttons/window-buttons.c
index d7915a55e..541c63e7b 100644
--- a/gnome-applets/window-buttons/window-buttons.c
+++ b/gnome-applets/window-buttons/window-buttons.c
@@ -113,6 +113,8 @@ wb_applet_dispose (GObject *object)
         }
     }
 
+  g_clear_object (&self->handle);
+
   G_OBJECT_CLASS (wb_applet_parent_class)->dispose (object);
 }
 
@@ -666,7 +668,8 @@ init_wbapplet (WBApplet *wbapplet)
 
        wbapplet->settings = gp_applet_settings_new (GP_APPLET (wbapplet), WINDOWBUTTONS_GSCHEMA);
        wbapplet->prefs = loadPreferences(wbapplet);
-       wbapplet->activescreen = wnck_screen_get_default();
+       wbapplet->handle = wnck_handle_new (WNCK_CLIENT_TYPE_PAGER);
+       wbapplet->activescreen = wnck_handle_get_default_screen (wbapplet->handle);
        wnck_screen_force_update(wbapplet->activescreen);
        wbapplet->activeworkspace = wnck_screen_get_active_workspace(wbapplet->activescreen);
        wbapplet->activewindow = wnck_screen_get_active_window(wbapplet->activescreen);