Add ibus-qt.

nixos/modules/programs/ibus.nix

@@ -30,7 +30,7 @@ in
     environment.systemPackages = [ pkgs.ibus ];
 
     gtkPlugins = [ pkgs.ibus ];
-    qtPlugins = [ pkgs.ibus ];
+    qtPlugins = [ pkgs.ibus-qt ];
 
     environment.variables =
       let

pkgs/development/libraries/ibus-qt/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchurl, ibus, cmake, pkgconfig, qt4, icu, doxygen }:
+
+stdenv.mkDerivation rec {
+  name = "ibus-qt-${version}";
+  version = "1.3.2";
+
+  src = fetchurl {
+    url = "http://ibus.googlecode.com/files/${name}-Source.tar.gz";
+    sha256 = "070c8ef4e6c74eddf7ddf4385936aed730c2dfe2160162e5c56b5158d1061a76";
+  };
+
+  buildInputs = [
+    ibus cmake pkgconfig qt4 icu doxygen
+  ];
+
+  cmakeFlags = [ "-DQT_PLUGINS_DIR=lib/qt4/plugins" ];
+
+  meta = with stdenv.lib; {
+    homepage    = https://code.google.com/p/ibus/;
+    description = "Qt4 interface to the ibus input method";
+    platforms   = platforms.linux;
+    license     = licenses.gpl2Plus;
+    maintainers = with maintainers; [ gebner ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4972,6 +4972,8 @@ let
 
   ibus = callPackage ../development/libraries/ibus { };
 
+  ibus-qt = callPackage ../development/libraries/ibus-qt { };
+
   icmake = callPackage ../development/tools/build-managers/icmake { };
 
   iconnamingutils = callPackage ../development/tools/misc/icon-naming-utils {