[mutter] screen: Remove unused function

[Jonas Ådahl <jadahl src gnome org>]

commit e1b10769e52fcc828bd2b3ac1f46c8d78da18e71
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Nov 25 14:33:23 2016 +0800

    screen: Remove unused function
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/core/screen-private.h |    3 -
 src/core/screen.c         |   95 ---------------------------------------------
 2 files changed, 0 insertions(+), 98 deletions(-)
---
diff --git a/src/core/screen-private.h b/src/core/screen-private.h
index d3667d6..2e26a9e 100644
--- a/src/core/screen-private.h
+++ b/src/core/screen-private.h
@@ -153,9 +153,6 @@ const MetaMonitorInfo* meta_screen_get_monitor_for_point (MetaScreen    *screen,
 const MetaMonitorInfo* meta_screen_get_monitor_neighbor (MetaScreen *screen,
                                                          int         which_monitor,
                                                          MetaScreenDirection dir);
-void          meta_screen_get_natural_monitor_list (MetaScreen *screen,
-                                                    int**       monitors_list,
-                                                    int*        n_monitors);
 
 void          meta_screen_update_workspace_layout (MetaScreen             *screen);
 void          meta_screen_update_workspace_names  (MetaScreen             *screen);
diff --git a/src/core/screen.c b/src/core/screen.c
index b8ac22f..0da4a02 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -1513,101 +1513,6 @@ meta_screen_get_monitor_neighbor_index (MetaScreen         *screen,
   return monitor ? monitor->number : -1;
 }
 
-void
-meta_screen_get_natural_monitor_list (MetaScreen *screen,
-                                      int**       monitors_list,
-                                      int*        n_monitors)
-{
-  const MetaMonitorInfo* current;
-  const MetaMonitorInfo* tmp;
-  GQueue* monitor_queue;
-  int* visited;
-  int cur = 0;
-  int i;
-
-  *n_monitors = screen->n_monitor_infos;
-  *monitors_list = g_new (int, screen->n_monitor_infos);
-
-  /* we calculate a natural ordering by which to choose monitors for
-   * window placement.  We start at the current monitor, and perform
-   * a breadth-first search of the monitors starting from that
-   * monitor.  We choose preferentially left, then right, then down,
-   * then up.  The visitation order produced by this traversal is the
-   * natural monitor ordering.
-   */
-
-  visited = g_new (int, screen->n_monitor_infos);
-  for (i = 0; i < screen->n_monitor_infos; i++)
-    {
-      visited[i] = FALSE;
-    }
-
-  current = meta_screen_get_current_monitor_info (screen);
-  monitor_queue = g_queue_new ();
-  g_queue_push_tail (monitor_queue, (gpointer) current);
-  visited[current->number] = TRUE;
-
-  while (!g_queue_is_empty (monitor_queue))
-    {
-      current = (const MetaMonitorInfo*)
-        g_queue_pop_head (monitor_queue);
-
-      (*monitors_list)[cur++] = current->number;
-
-      /* enqueue each of the directions */
-      tmp = meta_screen_get_monitor_neighbor (screen,
-                                              current->number,
-                                              META_SCREEN_LEFT);
-      if (tmp && !visited[tmp->number])
-        {
-          g_queue_push_tail (monitor_queue,
-                             (MetaMonitorInfo*) tmp);
-          visited[tmp->number] = TRUE;
-        }
-      tmp = meta_screen_get_monitor_neighbor (screen,
-                                              current->number,
-                                              META_SCREEN_RIGHT);
-      if (tmp && !visited[tmp->number])
-        {
-          g_queue_push_tail (monitor_queue,
-                             (MetaMonitorInfo*) tmp);
-          visited[tmp->number] = TRUE;
-        }
-      tmp = meta_screen_get_monitor_neighbor (screen,
-                                              current->number,
-                                              META_SCREEN_UP);
-      if (tmp && !visited[tmp->number])
-        {
-          g_queue_push_tail (monitor_queue,
-                             (MetaMonitorInfo*) tmp);
-          visited[tmp->number] = TRUE;
-        }
-      tmp = meta_screen_get_monitor_neighbor (screen,
-                                              current->number,
-                                              META_SCREEN_DOWN);
-      if (tmp && !visited[tmp->number])
-        {
-          g_queue_push_tail (monitor_queue,
-                             (MetaMonitorInfo*) tmp);
-          visited[tmp->number] = TRUE;
-        }
-    }
-
-  /* in case we somehow missed some set of monitors, go through the
-   * visited list and add in any monitors that were missed
-   */
-  for (i = 0; i < screen->n_monitor_infos; i++)
-    {
-      if (visited[i] == FALSE)
-        {
-          (*monitors_list)[cur++] = i;
-        }
-    }
-
-  g_free (visited);
-  g_queue_free (monitor_queue);
-}
-
 const MetaMonitorInfo*
 meta_screen_get_current_monitor_info (MetaScreen *screen)
 {