[metacity/wip/muktupavels/issue-26: 3/4] display: put windows from same client in tab list group

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4a44235205dcdb1502b2698931fddf0d300e7e86
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 9 16:35:59 2022 +0300

    display: put windows from same client in tab list group
    
    Reuse existing meta_window_same_client function to check if windows
    are from same client/application.
    
    https://gitlab.gnome.org/GNOME/metacity/-/issues/26

 src/core/display.c        | 3 +++
 src/core/window-private.h | 3 +++
 src/core/window.c         | 5 +----
 3 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 48692357..eeccf325 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -4594,6 +4594,9 @@ in_tab_chain (MetaWindow  *window,
 
       if (meta_window_same_application (window, focus_window))
         return TRUE;
+
+      if (meta_window_same_client (window, focus_window))
+        return TRUE;
     }
 
   return FALSE;
diff --git a/src/core/window-private.h b/src/core/window-private.h
index 61d7e511..6a5fb649 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -633,6 +633,9 @@ void meta_window_get_current_tile_area         (MetaWindow    *window,
 gboolean meta_window_same_application (MetaWindow *window,
                                        MetaWindow *other_window);
 
+gboolean meta_window_same_client      (MetaWindow *window,
+                                       MetaWindow *other_window);
+
 void meta_window_refresh_resize_popup (MetaWindow *window);
 
 void meta_window_free_delete_dialog (MetaWindow *window);
diff --git a/src/core/window.c b/src/core/window.c
index 80e56c37..cae796cb 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -77,9 +77,6 @@ static gboolean process_property_notify   (MetaWindow     *window,
 static void     meta_window_show          (MetaWindow     *window);
 static void     meta_window_hide          (MetaWindow     *window);
 
-static gboolean meta_window_same_client (MetaWindow *window,
-                                         MetaWindow *other_window);
-
 static void     meta_window_save_rect         (MetaWindow    *window);
 static void     save_user_window_placement    (MetaWindow    *window);
 static void     force_save_user_window_placement (MetaWindow    *window);
@@ -8254,7 +8251,7 @@ meta_window_same_application (MetaWindow *window,
  * applications (which likely aren't setting the group properly
  * anyways), it may be desirable to check this as well.
  */
-static gboolean
+gboolean
 meta_window_same_client (MetaWindow *window,
                          MetaWindow *other_window)
 {