Add hasUnmapReference and use it in decor.

This prevents a window's decoration to be updated early while it
is closing, which isn't necessary anyway. This problem leads to
a close animation with an empty frame.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/window.cpp b/src/window.cpp
index 467bc2f..2d5fbe4 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -5249,6 +5249,12 @@ CompWindow::setWindowFrameExtents (CompWindowExtents *i)
     }
 }
 
+bool
+CompWindow::hasUnmapReference ()
+{
+    return (priv && priv->unmapRefCnt > 1);
+}
+
 void
 CompWindow::updateFrameRegion (CompRegion& region)
     WRAPABLE_HND_FUNC (12, updateFrameRegion, region)