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File mutter-window-actor-Special-case-shaped-Java-windows.patch of Package mutter (Revision 806c8937e47794d92c7eb21f1a95759a)

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From b3b5aa01c63aee1df079e0394b0e6372df1838d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Fri, 12 May 2017 13:40:31 +0200
Subject: [PATCH] window-actor: Special-case shaped Java windows

OpenJDK wrongly assumes that shaping a window implies no shadows.
They got lucky until commit b975676c changed the fallback case,
but now their compliance tests are broken. Make them happy again
by special-casing shaped Java windows.
---
 src/compositor/meta-window-actor-x11.c | 8 ++++++++
 src/x11/window-x11-private.h           | 2 ++
 src/x11/window-x11.c                   | 9 +++++++++
 3 files changed, 19 insertions(+)

diff --git a/src/compositor/meta-window-actor-x11.c b/src/compositor/meta-window-actor-x11.c
index 19827af331..7d5e46ac75 100644
--- a/src/compositor/meta-window-actor-x11.c
+++ b/src/compositor/meta-window-actor-x11.c
@@ -424,6 +424,14 @@ has_shadow (MetaWindowActorX11 *actor_x11)
    */
   if (window->has_custom_frame_extents)
     return FALSE;
+ 
+  /*
+   * OpenJDK wrongly assumes that shaping a window implies no compositor
+   * shadows; make its compliance tests happy to give it what it wants ...
+   */
+  if (g_strcmp0 (window->res_name, "sun-awt-X11-XWindowPeer") == 0 &&
+      meta_window_x11_is_shaped (window))
+    return FALSE;
 
   /*
    * Generate shadows for all other windows.
diff --git a/src/x11/window-x11-private.h b/src/x11/window-x11-private.h
index c947744ee5..cb862f0d72 100644
--- a/src/x11/window-x11-private.h
+++ b/src/x11/window-x11-private.h
@@ -125,6 +125,8 @@ gboolean meta_window_x11_has_pointer (MetaWindow *window);
 gboolean meta_window_x11_same_application (MetaWindow *window,
                                            MetaWindow *other_window);
 
+gboolean meta_window_x11_is_shaped (MetaWindow *window);
+
 void meta_window_x11_shutdown_group (MetaWindow *window);
 
 META_EXPORT
diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index 745c45db18..83cdd2e420 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -2585,6 +2585,15 @@ meta_window_x11_update_shape_region (MetaWindow *window)
   meta_window_set_shape_region (window, region);
 }
 
+gboolean
+meta_window_x11_is_shaped (MetaWindow *window)
+{
+  MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
+  MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
+
+  return priv->shape_region != NULL;
+}
+
 /* Generally meta_window_x11_same_application() is a better idea
  * of "sameness", since it handles the case where multiple apps
  * want to look like the same app or the same app wants to look
-- 
2.43.2

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File mutter-window-actor-Special-case-shaped-Java-windows.patch of Package mutter (Revision 806c8937e47794d92c7eb21f1a95759a)

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