plasma53: fix kcm_keyboard

pkgs/desktops/plasma-5.3/default.nix

@@ -131,6 +131,10 @@ let
         patches = [
           ./plasma-desktop/plasma-desktop-hwclock.patch
           ./plasma-desktop/plasma-desktop-zoneinfo.patch
+          (substituteAll {
+            src = ./plasma-desktop/plasma-desktop-xkb-rules.patch;
+            xkb = pkgs.xkeyboard_config;
+          })
         ];
         preConfigure = ''
           substituteInPlace kcms/dateandtime/helper.cpp \

pkgs/desktops/plasma-5.3/plasma-desktop/plasma-desktop-xkb-rules.patch

@@ -0,0 +1,47 @@
+From 3f175a5ecc9b4fecd8fe25cb482cf2c91aa47cf6 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@gmail.com>
+Date: Mon, 4 May 2015 22:23:21 -0500
+Subject: [PATCH] xkb rules path
+
+---
+ kcms/keyboard/xkb_rules.cpp | 24 +-----------------------
+ 1 file changed, 1 insertion(+), 23 deletions(-)
+
+diff --git a/kcms/keyboard/xkb_rules.cpp b/kcms/keyboard/xkb_rules.cpp
+index 341369d..27066d6 100644
+--- a/kcms/keyboard/xkb_rules.cpp
++++ b/kcms/keyboard/xkb_rules.cpp
+@@ -157,29 +157,7 @@ QString Rules::getRulesName()
+ 
+ QString Rules::findXkbDir()
+ {
+-	QString xkbParentDir;
+-
+-	QString base(XLIBDIR);
+-	if( base.count('/') >= 3 ) {
+-		// .../usr/lib/X11 -> /usr/share/X11/xkb vs .../usr/X11/lib -> /usr/X11/share/X11/xkb
+-		QString delta = base.endsWith("X11") ? "/../../share/X11" : "/../share/X11";
+-		QDir baseDir(base + delta);
+-		if( baseDir.exists() ) {
+-			xkbParentDir = baseDir.absolutePath();
+-		}
+-		else {
+-			QDir baseDir(base + "/X11");	// .../usr/X11/lib/X11/xkb (old XFree)
+-			if( baseDir.exists() ) {
+-				xkbParentDir = baseDir.absolutePath();
+-			}
+-		}
+-	}
+-
+-	if( xkbParentDir.isEmpty() ) {
+-		xkbParentDir = "/usr/share/X11";
+-	}
+-
+-	return xkbParentDir + "/xkb";
++	return "@xkb@/share/X11/xkb";
+ }
+ 
+ static QString findXkbRulesFile()
+-- 
+2.3.6
+