[gnome-themes-standard] Smooth title button separator

[Jakub Steiner <jimmac src gnome org>]

commit 6183325e703d1b4ba5758562ff37a00cbef2e4cd
Author: Nikita Churaev <lamefun x0r gmail com>
Date:   Mon Jan 20 00:24:24 2014 +0400

    Smooth title button separator
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722563

 themes/Adwaita/gtk-3.0/assets.svg             |  139 +++++++++++++++++++++++-
 themes/Adwaita/gtk-3.0/assets.txt             |    1 +
 themes/Adwaita/gtk-3.0/gtk-widgets-assets.css |   14 +++
 themes/Adwaita/gtk-3.0/gtk.gresource.xml      |    2 +
 4 files changed, 150 insertions(+), 6 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/assets.svg b/themes/Adwaita/gtk-3.0/assets.svg
index 4df462a..9a192af 100644
--- a/themes/Adwaita/gtk-3.0/assets.svg
+++ b/themes/Adwaita/gtk-3.0/assets.svg
@@ -19,6 +19,28 @@
   <defs
      id="defs9894">
     <linearGradient
+       id="linearGradient8995">
+      <stop
+         id="stop8997"
+         offset="0"
+         style="stop-color:#ffffff;stop-opacity:1;" />
+      <stop
+         id="stop8999"
+         offset="1"
+         style="stop-color:#ffffff;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient8983">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop8985" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop8987" />
+    </linearGradient>
+    <linearGradient
        inkscape:collect="always"
        id="linearGradient9462">
       <stop
@@ -5272,6 +5294,91 @@
        id="linearGradient11248"
        xlink:href="#linearGradient5838-3-5"
        inkscape:collect="always" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient8983"
+       id="linearGradient8989"
+       x1="15"
+       y1="12.362183"
+       x2="15"
+       y2="2.3621826"
+       gradientUnits="userSpaceOnUse"
+       spreadMethod="reflect"
+       gradientTransform="matrix(1,0,0,0.75,0,0.59054565)" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient8995"
+       id="linearGradient8993"
+       gradientUnits="userSpaceOnUse"
+       spreadMethod="reflect"
+       x1="15"
+       y1="12.362183"
+       x2="15"
+       y2="2.3621826"
+       gradientTransform="matrix(1,0,0,0.75,1,0.59054565)" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient8983-8"
+       id="linearGradient8989-2"
+       x1="15"
+       y1="12.362183"
+       x2="15"
+       y2="2.3621826"
+       gradientUnits="userSpaceOnUse"
+       spreadMethod="reflect"
+       gradientTransform="matrix(1,0,0,1.25,0,-10.590546)" />
+    <linearGradient
+       id="linearGradient8983-8">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop8985-2" />
+      <stop
+         id="stop5792"
+         offset="0.5"
+         style="stop-color:#000000;stop-opacity:1;" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop8987-0" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient8995-1"
+       id="linearGradient8993-8"
+       gradientUnits="userSpaceOnUse"
+       spreadMethod="reflect"
+       x1="15"
+       y1="12.362183"
+       x2="15"
+       y2="2.3621826"
+       gradientTransform="matrix(1,0,0,0.75,1,0.59054565)" />
+    <linearGradient
+       id="linearGradient8995-1">
+      <stop
+         id="stop8997-0"
+         offset="0"
+         style="stop-color:#ffffff;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0.5"
+         id="stop5794" />
+      <stop
+         id="stop8999-3"
+         offset="1"
+         style="stop-color:#ffffff;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       y2="2.3621826"
+       x2="15"
+       y1="12.362183"
+       x1="15"
+       spreadMethod="reflect"
+       gradientTransform="matrix(1,0,0,1.25,1,-10.590546)"
+       gradientUnits="userSpaceOnUse"
+       id="linearGradient9026"
+       xlink:href="#linearGradient8995-1"
+       inkscape:collect="always" />
   </defs>
   <sodipodi:namedview
      id="base"
@@ -5281,21 +5388,21 @@
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
      inkscape:zoom="1"
-     inkscape:cx="405.93395"
-     inkscape:cy="866.61188"
+     inkscape:cx="21.139092"
+     inkscape:cy="1037.8293"
      inkscape:document-units="px"
-     inkscape:current-layer="layer4"
+     inkscape:current-layer="header-separator"
      showgrid="false"
      showborder="false"
-     inkscape:window-width="2560"
-     inkscape:window-height="1629"
+     inkscape:window-width="1920"
+     inkscape:window-height="1014"
      inkscape:window-x="0"
      inkscape:window-y="27"
      inkscape:window-maximized="1"
      inkscape:snap-nodes="false"
      inkscape:snap-bbox="true"
      inkscape:bbox-paths="true"
-     inkscape:snap-global="false">
+     inkscape:snap-global="true">
     <inkscape:grid
        type="xygrid"
        id="grid10919" />
@@ -10875,6 +10982,26 @@
          x="152"
          y="36" />
     </g>
+    <g
+       style="display:inline"
+       id="header-separator"
+       transform="translate(2,10)"
+       inkscape:label="#g9001">
+      <rect
+         y="-7.6378174"
+         x="15"
+         height="25"
+         width="1"
+         id="rect8213"
+         style="opacity:0.2;fill:url(#linearGradient8989-2);fill-opacity:1;stroke:none" />
+      <rect
+         style="fill:url(#linearGradient9026);fill-opacity:1;stroke:none"
+         id="rect8991"
+         width="1"
+         height="25"
+         x="16"
+         y="-7.6378174" />
+    </g>
   </g>
   <g
      inkscape:groupmode="layer"
diff --git a/themes/Adwaita/gtk-3.0/assets.txt b/themes/Adwaita/gtk-3.0/assets.txt
index f46449b..03ab635 100644
--- a/themes/Adwaita/gtk-3.0/assets.txt
+++ b/themes/Adwaita/gtk-3.0/assets.txt
@@ -151,4 +151,5 @@ scale-slider-left-active-dark
 scale-slider-left-insensitive-dark
 scale-slider-left-backdrop-dark
 scale-slider-left-backdrop-insensitive-dark
+header-separator
 
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css b/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
index 3fcc63b..3397099 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
@@ -29,6 +29,20 @@
 }
 
 /*************************
+ * Header bar separator  *
+ *************************/
+
+.header-bar > GtkBox > .separator.vertical {
+    -GtkWidget-wide-separators: 1;
+    -GtkWidget-separator-width: 2px;
+    background: transparent;
+    border-width: 0 1px 0 1px;
+    border-style: solid;
+    border-color: transparent;
+    border-image: -gtk-scaled(url("assets/header-separator.png"),url("assets/header-separator 2 png")) 0 1 0 
1 / 0 1px 0 1px stretch;
+}
+
+/*************************
  * Check and Radio items *
  *************************/
 
diff --git a/themes/Adwaita/gtk-3.0/gtk.gresource.xml b/themes/Adwaita/gtk-3.0/gtk.gresource.xml
index 69272ec..2b3ecc9 100644
--- a/themes/Adwaita/gtk-3.0/gtk.gresource.xml
+++ b/themes/Adwaita/gtk-3.0/gtk.gresource.xml
@@ -282,6 +282,8 @@
     <file preprocess="to-pixdata">assets/switch-slider-grip-dark.svg</file>
     <file preprocess="to-pixdata">assets/switch-slider-grip.svg</file>
     <file preprocess="to-pixdata">assets/thumbnail-frame.png</file>
+    <file preprocess="to-pixdata">assets/header-separator.png</file>
+    <file preprocess="to-pixdata">assets/header-separator 2 png</file>
     <file preprocess="to-pixdata">borders/button-border.png</file>
     <file preprocess="to-pixdata">borders/button-border 2 png</file>
     <file preprocess="to-pixdata">borders/button-border-dark.png</file>