Proposing _NET_WM_OPAQUE_REGION
- From: Philipp Knechtges <philipp-dev knechtges com>
- To: wm-spec-list gnome org
- Subject: Proposing _NET_WM_OPAQUE_REGION
- Date: Sat, 26 Nov 2011 13:43:34 +0100
>From 84bab2732c00f68d1dab802cdc6ec08dcf327293 Mon Sep 17 00:00:00 2001
From: Philipp Knechtges <philipp-dev knechtges com>
Date: Sun, 20 Nov 2011 13:09:18 +0100
Subject: [PATCH] Adding _NET_WM_OPAQUE_REGION
Adding a new property _NET_WM_OPAQUE_REGION that as the name says
represents an area of the window that occludes the background.
The implementation is the same as discussed in
http://www.mail-archive.com/wm-spec-list gnome org/msg00715.html
---
wm-spec/wm-spec.xml | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/wm-spec/wm-spec.xml b/wm-spec/wm-spec.xml
index f7676e4..6234438 100644
--- a/wm-spec/wm-spec.xml
+++ b/wm-spec/wm-spec.xml
@@ -1553,6 +1553,23 @@ window's frame. left, right, top and bottom are widths of the
respective borders added by the Window Manager.
</para>
</sect2>
+
+ <sect2><title>_NET_WM_OPAQUE_REGION</title>
+ <programlisting><![CDATA[
+_NET_WM_OPAQUE_REGION, x, y, width, height, CARDINAL[][4]/32
+]]></programlisting>
+ <para>
+The Client MAY set this property to a list of 4-tuples [x, y, width, height],
+each representing a rectangle in window coordinates that is occluding the
+background. Inherent in this definition is that the property information is only
+considered to be meaningful if the window is an ARGB visual. The compositing manager MAY
+ignore this hint.
+ </para>
+ <para>
+Rationale: This gives the compositing manager more room for optimizations, e.g. by not
+drawing the occluded background.
+ </para>
+ </sect2>
</sect1>
<sect1>
<title>Window Manager Protocols</title>
--
1.7.6.4
[
Date Prev][Date Next] [
Thread Prev][Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]