GTK+3: do not use deprecated n_screens

since gtk+-3.10 screen is always 1
taken from:
https://git.gnome.org/browse/gnome-panel/commit/?id=be976a0
https://git.gnome.org/browse/gnome-panel/commit/?id=272f680

2 files changed, 14 insertions, 1 deletions

diff --git a/applets/notification_area/na-tray.c b/applets/notification_area/na-tray.c
index c1b24da8..0232983b 100644
--- a/applets/notification_area/na-tray.c
+++ b/applets/notification_area/na-tray.c
@@ -646,12 +646,16 @@ na_tray_constructor (GType type,
 
   if (!initialized)
     {
+#if GTK_CHECK_VERSION (3, 0, 0)
+      trays_screens = g_new0 (TraysScreen, 1);
+#else
       GdkDisplay *display;
       int n_screens;
 
       display = gdk_display_get_default ();
       n_screens = gdk_display_get_n_screens (display);
       trays_screens = g_new0 (TraysScreen, n_screens);
+#endif
       initialized = TRUE;
     }
 
diff --git a/applets/notification_area/testtray.c b/applets/notification_area/testtray.c
index 74cde0e7..c541aaa2 100644
--- a/applets/notification_area/testtray.c
+++ b/applets/notification_area/testtray.c
@@ -215,19 +215,28 @@ main (int argc, char *argv[])
 {
   GdkDisplay *display;
   GdkScreen *screen;
+#if !GTK_CHECK_VERSION (3, 0, 0)
   int n_screens, i;
+#endif
 
   gtk_init (&argc, &argv);
 
   gtk_window_set_default_icon_name (NOTIFICATION_AREA_ICON);
 
   display = gdk_display_get_default ();
+#if GTK_CHECK_VERSION (3, 0, 0)
+  screen = gdk_display_get_default_screen (display);
+
+  create_tray_on_screen (screen, FALSE);
+#else
   n_screens =  gdk_display_get_n_screens (display);
   for (i = 0; i < n_screens; ++i) {
     screen = gdk_display_get_screen (display, i);
-
     create_tray_on_screen (screen, FALSE);
+
+  create_tray_on_screen (screen, FALSE);
   }
+#endif
   
   gtk_main ();