poppler: update, include qt4+cairo patches

The patches should provide smoother font rendering, like it's with poppler+gtk+cairo.
The code was taken from @mornfall f4fce48c #470, thanks.

pkgs/development/libraries/poppler/0.18.nix

@@ -1,7 +1,7 @@
 { fetchurl, stdenv, cairo, freetype, fontconfig, zlib
 , libjpeg, curl, libpthreadstubs, xorg, openjpeg
 , libxml2, pkgconfig, cmake, lcms2
-, gtkSupport ? false, glib ? null, gtk3 ? null # gtk2 no longer accepted
+, glibSupport ? false, glib, gtk3Support ? false, gtk3 # gtk2 no longer accepted
 , qt4Support ? false, qt4 ? null
 }:
 
@@ -17,9 +17,10 @@ stdenv.mkDerivation rec {
     [ zlib cairo freetype fontconfig libjpeg lcms2 curl
       libpthreadstubs libxml2 stdenv.gcc.libc
       libXau libXdmcp libxcb libXrender libXext
-      #openjpeg # not detected
+      openjpeg
     ]
-    ++ stdenv.lib.optionals gtkSupport [ glib /*gtk3*/ ]
+    ++ stdenv.lib.optional glibSupport glib
+    ++ stdenv.lib.optional gtk3Support gtk3
     ++ stdenv.lib.optional qt4Support qt4;
 
   nativeBuildInputs = [ pkgconfig cmake ];

pkgs/development/libraries/poppler/default.nix

@@ -1,32 +1,44 @@
-{ fetchurl, stdenv, cairo, freetype, fontconfig, zlib
+{ stdenv, fetchurl, fetchgit, cairo, freetype, fontconfig, zlib
 , libjpeg, curl, libpthreadstubs, xorg, openjpeg
 , libxml2, pkgconfig, cmake, lcms2
-, gtkSupport ? false, glib ? null, gtk3 ? null # gtk2 no longer accepted
+, glibSupport ? false, glib, gtk3Support ? false, gtk3 # gtk2 no longer accepted
 , qt4Support ? false, qt4 ? null
 }:
 
 stdenv.mkDerivation rec {
-  name = "poppler-0.22.1";
+  name = "poppler-0.22.3";
 
   src = fetchurl {
     url = "${meta.homepage}${name}.tar.gz";
-    sha256 = "1h4p241k7ysm7mb8wgwi7ilp69z297d7ql5padb0dnmzq39sddhj";
+    sha256 = "0ca4jci8xmbdz4fhahdcck0cqms6ax55yggi2ih3clgrpqf96sli";
   };
 
+  qtcairo_patches =
+    let qtcairo = fetchgit { # the version for poppler-0.22
+      url = "git://github.com/giddie/poppler-qt4-cairo-backend.git";
+      rev = "7a12c58e5cefc2b7a5179c53b387fca8963195c0";
+      sha256 = "1jg2d5y62d0bv206nijb63x426zfb2awy70505nx22d0fx1v1p9k";
+    }; in
+      [ "${qtcairo}/0001-Cairo-backend-added-to-Qt4-wrapper.patch"
+        "${qtcairo}/0002-Setting-default-Qt4-backend-to-Cairo.patch"
+        "${qtcairo}/0003-Forcing-subpixel-rendering-in-Cairo-backend.patch" ];
+
+
   propagatedBuildInputs = with xorg;
     [ zlib cairo freetype fontconfig libjpeg lcms2 curl
       libpthreadstubs libxml2 stdenv.gcc.libc
       libXau libXdmcp libxcb libXrender libXext
-      #openjpeg # not detected
+      openjpeg
     ]
-    ++ stdenv.lib.optionals gtkSupport [ glib /*gtk3*/ ]
+    ++ stdenv.lib.optional glibSupport glib
+    ++ stdenv.lib.optional gtk3Support gtk3
     ++ stdenv.lib.optional qt4Support qt4;
 
   nativeBuildInputs = [ pkgconfig cmake ];
 
   cmakeFlags = "-DENABLE_XPDF_HEADERS=ON -DENABLE_LIBCURL=ON -DENABLE_ZLIB=ON";
 
-  patches = [ ./datadir_env.patch ];
+  patches = [ ./datadir_env.patch ] ++ stdenv.lib.optionals qt4Support qtcairo_patches;
 
   # XXX: The Poppler/Qt4 test suite refers to non-existent PDF files
   # such as `../../../test/unittestcases/UseNone.pdf'.

pkgs/top-level/all-packages.nix

@@ -4811,17 +4811,20 @@ let
   policykit = callPackage ../development/libraries/policykit { };
 
   poppler = callPackage ../development/libraries/poppler {
-    gtkSupport = true;
+    glibSupport = true;
-    qt4Support = false;
+    gtk3Support = false;
+    qt4Support  = false;
   };
   poppler_0_18 = callPackage ../development/libraries/poppler/0.18.nix {
-    gtkSupport = true;
+    glibSupport = true;
-    qt4Support = false;
+    gtk3Support = false;
+    qt4Support  = false;
   };
 
   popplerQt4 = poppler.override {
-    gtkSupport = false;
+    glibSupport = false;
-    qt4Support = true;
+    gtk3Support = false;
+    qt4Support  = true;
   };
 
   popt = callPackage ../development/libraries/popt { };