Merge lp:~vanvugt/unity/fix-1065393 into lp:unity

[Daniel van Vugt]

Ensure the panel shadow doesn't get drawn if the panel itself is not being
drawn. (LP: #1065393)
.

See commit message.

[Sam Spilsbury (smspillaz)]

review: Approve

=== modified file 'manual-tests/Panel.txt'
--- manual-tests/Panel.txt	2012-10-02 09:07:30 +0000
+++ manual-tests/Panel.txt	2012-10-11 08:06:20 +0000
@@ -111,3 +111,17 @@
   No part of the panel shadow should ever appear on top of the maximized
   Chrome window.
 
+
+Panel shadow fullscreen
+-----------------------
+Setup:
+#. Install Google Chrome or Chromium.
+
+Actions:
+#. Open Chrome and go full screen (F11)
+#. Trigger window scale: Shift+Alt+Up or Super+W (in Ubuntu)
+
+Expected Result:
+  The panel shadow should not be visible in scale mode, unless the panel
+  itself is also visible.
+

=== modified file 'plugins/unityshell/src/unityshell.cpp'
--- plugins/unityshell/src/unityshell.cpp	2012-10-10 18:10:34 +0000
+++ plugins/unityshell/src/unityshell.cpp	2012-10-11 08:06:20 +0000
@@ -570,6 +570,10 @@
     return;
 
   CompOutput* output = _last_output;
+
+  if (fullscreenRegion.contains(*output))
+    return;
+
   float panel_h = static_cast<float>(panel_style_.panel_height);
 
   // You have no shadow texture. But how?