[libadwaita/origin/wip/jimmac/devel-striping-icontheme] headerbar: devel stripy watermark

[Alexander Mikhaylenko <alexm src gnome org>]

commit 2c2ae77cf3e6e83d52e43476952bc94fe4769c8f
Author: Jakub Steiner <jimmac gmail com>
Date:   Thu Jul 29 22:56:48 2021 +0200

    headerbar: devel stripy watermark
    
    - use a recolorable stripes that fade out to work on flat windows
    
    Fixes https://gitlab.gnome.org/GNOME/libadwaita/-/issues/232

 src/stylesheet/adwaita-stylesheet.gresources.xml |  1 +
 src/stylesheet/assets/devel-symbolic.svg         | 45 ++++++++++++++++++++++++
 src/stylesheet/widgets/_header-bar.scss          |  4 ++-
 3 files changed, 49 insertions(+), 1 deletion(-)
---
diff --git a/src/stylesheet/adwaita-stylesheet.gresources.xml 
b/src/stylesheet/adwaita-stylesheet.gresources.xml
index feb16bdf..786faba8 100644
--- a/src/stylesheet/adwaita-stylesheet.gresources.xml
+++ b/src/stylesheet/adwaita-stylesheet.gresources.xml
@@ -39,5 +39,6 @@
     <file>assets/bullet-symbolic.svg</file>
     <file>assets/check-symbolic.svg</file>
     <file>assets/dash-symbolic.svg</file>
+    <file>assets/devel-symbolic.svg</file>
   </gresource>
 </gresources>
diff --git a/src/stylesheet/assets/devel-symbolic.svg b/src/stylesheet/assets/devel-symbolic.svg
new file mode 100644
index 00000000..24f1e20a
--- /dev/null
+++ b/src/stylesheet/assets/devel-symbolic.svg
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 47 47"
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="devel-symbolic.svg"
+   inkscape:version="1.1 (c68e22c387, 2021-05-23)"
+   width="47"
+   height="47"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:svg="http://www.w3.org/2000/svg";>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     id="namedview10"
+     pagecolor="#505050"
+     bordercolor="#ffffff"
+     borderopacity="1"
+     inkscape:pageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="1"
+     showgrid="false"
+     inkscape:current-layer="svg8"
+     inkscape:zoom="17.230629"
+     inkscape:cx="58.471458"
+     inkscape:cy="37.143159" />
+  <path
+     style="fill:#000000;fill-opacity:1;stroke-width:3.00001;stroke-linecap:round;stop-color:#000000"
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+     id="path2"
+     
sodipodi:nodetypes="cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
 />
+  <g
+     id="b"
+     style="fill:#000000;fill-opacity:1;stroke-width:0.340426"
+     transform="matrix(2.9375,0,0,2.9375,47,0)">
+    <path
+       style="fill:#000000;fill-opacity:1;stroke-width:1.02128;stroke-linecap:round;stop-color:#000000"
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0,16 Z"
+       transform="matrix(1,0,-0.5,1,4,0)"
+       id="path922"
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diff --git a/src/stylesheet/widgets/_header-bar.scss b/src/stylesheet/widgets/_header-bar.scss
index 29e2c999..40adc109 100644
--- a/src/stylesheet/widgets/_header-bar.scss
+++ b/src/stylesheet/widgets/_header-bar.scss
@@ -136,6 +136,8 @@ windowtitle {
 
 window.devel {
   headerbar > windowhandle {
-    background: cross-fade(8% -gtk-icontheme("system-run-symbolic"), image(transparent)) 90% 0/256px 256px 
no-repeat;
+    background-image: cross-fade(8% -gtk-recolor(url("assets/devel-symbolic.svg")),
+                                 image(transparent));
+    background-repeat: repeat-x;
   }
 }