File relax-some-constraints-on-CSD-windows-in-sle-cl... of Package mutter

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File relax-some-constraints-on-CSD-windows-in-sle-classic.patch of Package mutter

Index: mutter-3.20.0/src/core/constraints.c
===================================================================
--- mutter-3.20.0.orig/src/core/constraints.c
+++ mutter-3.20.0/src/core/constraints.c
@@ -1241,6 +1241,12 @@ constrain_to_single_monitor (MetaWindow
 }
 
 static gboolean
+constraint_is_sle_classic(void){
+  char * session_mode = (char *) g_getenv ("GNOME_SHELL_SESSION_MODE");
+  return g_strcmp0("sle-classic", session_mode) == 0;
+}
+
+static gboolean
 constrain_fully_onscreen (MetaWindow         *window,
                           ConstraintInfo     *info,
                           ConstraintPriority  priority,
@@ -1256,6 +1262,11 @@ constrain_fully_onscreen (MetaWindow
   if (window->type == META_WINDOW_DESKTOP ||
       window->type == META_WINDOW_DOCK    ||
       window->fullscreen                  ||
+      /* in SLE Classic, there is no top bar and to avoid issues like
+       * bnc#883491, remove some constraints on CSD windows, which tends to have
+       * invisible wrapper box. Do the same for "constrain_titlebar_visible".
+       */
+      (constraint_is_sle_classic() && !window->decorated) ||
       !window->require_fully_onscreen     ||
       info->is_user_action)
     return TRUE;
@@ -1292,10 +1303,11 @@ constrain_titlebar_visible (MetaWindow
    * is only meant for normal windows (e.g. we don't want docks to be shoved
    * "onscreen" by their own strut).
    */
-  if (window->type == META_WINDOW_DESKTOP ||
-      window->type == META_WINDOW_DOCK    ||
-      window->fullscreen                  ||
-      !window->require_titlebar_visible   ||
+  if (window->type == META_WINDOW_DESKTOP                 ||
+      window->type == META_WINDOW_DOCK                    ||
+      window->fullscreen                                  ||
+      (constraint_is_sle_classic() && !window->decorated) ||
+      !window->require_titlebar_visible                   ||
       unconstrained_user_action)
     return TRUE;

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File relax-some-constraints-on-CSD-windows-in-sle-classic.patch of Package mutter

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