workspace: Focus the default window only if no window is focused

This might happen when the workspace is not switched and
focus_default_window is called or when 'workspace on primary display
only' is enabled, a secondary display exists and the workspace is
switched.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2747>

(cherry picked from commit 058981dc12b294b84040147eab247ac72da3011c)

1 files changed, 25 insertions, 0 deletions

diff --git a/src/core/workspace.c b/src/core/workspace.c
index 03b177e55..c1360a4c4 100644
--- a/src/core/workspace.c
+++ b/src/core/workspace.c
@@ -1316,15 +1316,40 @@ meta_workspace_get_name (MetaWorkspace *workspace)
   return meta_prefs_get_workspace_name (meta_workspace_index (workspace));
 }
 
+static MetaWindow *
+get_focused_workspace_window (MetaWorkspace *workspace)
+{
+  g_autoptr (GList) windows = NULL;
+  GList *l;
+
+  windows = meta_workspace_list_windows (workspace);
+
+  for (l = windows; l != NULL; l = l->next)
+    {
+      MetaWindow *window = l->data;
+
+      if (meta_window_has_focus (window))
+        return window;
+    }
+
+  return NULL;
+}
+
 void
 meta_workspace_focus_default_window (MetaWorkspace *workspace,
                                      MetaWindow    *not_this_one,
                                      guint32        timestamp)
 {
+  MetaWindow *focus;
+
   if (timestamp == META_CURRENT_TIME)
     meta_warning ("META_CURRENT_TIME used to choose focus window; "
                   "focus window may not be correct.");
 
+  focus = get_focused_workspace_window (workspace);
+  if (focus != NULL && focus != not_this_one)
+    return;
+
   if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK ||
       !workspace->display->mouse_mode)
     {