From becb5c2dc1b52f8e2d7ff14f208e3afbe650a019 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Thu, 1 Aug 2013 08:38:05 +0200
Subject: [PATCH] Port detection of screen rate to XCB

New wrapper class added to xcbutils in a new RandR namespace.
---
 options.cpp | 6 ++----
 xcbutils.h  | 6 ++++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/options.cpp b/options.cpp
index 2bd7a06d58..76ac67a8b9 100644
--- a/options.cpp
+++ b/options.cpp
@@ -40,7 +40,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "xcbutils.h"
 #include <kwinglplatform.h>
 
-#include <X11/extensions/Xrandr.h>
 #ifndef KWIN_HAVE_OPENGLES
 #ifndef KWIN_NO_XF86VM
 #include <X11/extensions/xf86vmode.h>
@@ -100,9 +99,8 @@ int currentRefreshRate()
     }
 #endif
     else if (Xcb::Extensions::self()->isRandrAvailable()) {
-        XRRScreenConfiguration *config = XRRGetScreenInfo(display(), rootWindow());
-        rate = XRRConfigCurrentRate(config);
-        XRRFreeScreenConfigInfo(config);
+        Xcb::RandR::ScreenInfo screenInfo(rootWindow());
+        rate = screenInfo->rate;
     }
 
     // 0Hz or less is invalid, so we fallback to a default rate
diff --git a/xcbutils.h b/xcbutils.h
index 6c7c32f311..585a21b601 100644
--- a/xcbutils.h
+++ b/xcbutils.h
@@ -31,6 +31,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <xcb/xcb.h>
 #include <xcb/composite.h>
+#include <xcb/randr.h>
 #define class class_name //HACK: work around a non-C++ safe problem in xcb_iccm.h
                          //where they put a variable called "class" in function signatures.
                          //Needed at least for xcb v0.3.8
@@ -234,6 +235,11 @@ public:
     }
 };
 
+namespace RandR
+{
+typedef Wrapper<xcb_randr_get_screen_info_reply_t, xcb_randr_get_screen_info_cookie_t, &xcb_randr_get_screen_info_reply, &xcb_randr_get_screen_info_unchecked> ScreenInfo;
+}
+
 class ExtensionData
 {
 public: