[gtk+] Adwaita: button.color fix

[Lapo Calamandrei <lapo src gnome org>]

commit 8efdd94a31112b0c7f3e459f47856c0f664aac1a
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Wed Dec 2 17:42:42 2015 +0100

    Adwaita: button.color fix
    
    border-radius: 0 for colorswatch overlay as well.

 gtk/theme/Adwaita/_common.scss           |    5 ++---
 gtk/theme/Adwaita/gtk-contained-dark.css |   11 ++++++++---
 gtk/theme/Adwaita/gtk-contained.css      |   11 ++++++++---
 3 files changed, 18 insertions(+), 9 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 022bbdf..7fef561 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -746,9 +746,8 @@ modelbutton.flat,
 button.color {
   padding: 5px; // Uniform padding on the GtkColorButton
 
-  colorswatch:first-child:last-child { // :first-child:last-child for a specificity bump, it gets overridden 
by the
-                                          // colorpicker style, otherwise
-    border-radius: 0;
+  > colorswatch:first-child:last-child { // :first-child:last-child for a specificity bump, it gets 
overridden by the colorchooser style
+    > overlay, & { border-radius: 0; }
     box-shadow: inset 0 1px 1px transparentize(black, 0.9),
                 _widget_edge();
     &:insensitive,
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index e24a51a..3d4d4df 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -1213,10 +1213,15 @@ modelbutton.flat,
 button.color, headerbar button.color.titlebutton,
 .titlebar button.color.titlebutton {
   padding: 5px; }
-  button.color colorswatch:first-child:last-child {
-    border-radius: 0;
+  button.color > colorswatch:first-child:last-child, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child,
+  .titlebar button.color.titlebutton > colorswatch:first-child:last-child {
     box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1), 0 1px rgba(238, 238, 236, 0.1); }
-    button.color colorswatch:first-child:last-child:insensitive, button.color 
colorswatch:first-child:last-child:backdrop {
+    button.color > colorswatch:first-child:last-child > overlay, button.color > 
colorswatch:first-child:last-child, headerbar button.color.titlebutton > colorswatch:first-child:last-child,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child {
+      border-radius: 0; }
+    button.color > colorswatch:first-child:last-child:insensitive, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child:insensitive,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child:insensitive, button.color > 
colorswatch:first-child:last-child:backdrop, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child:backdrop,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child:backdrop {
       box-shadow: none; }
 
 /*********
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 9081ad9..77c1b67 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -1213,10 +1213,15 @@ modelbutton.flat,
 button.color, headerbar button.color.titlebutton,
 .titlebar button.color.titlebutton {
   padding: 5px; }
-  button.color colorswatch:first-child:last-child {
-    border-radius: 0;
+  button.color > colorswatch:first-child:last-child, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child,
+  .titlebar button.color.titlebutton > colorswatch:first-child:last-child {
     box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1), 0 1px white; }
-    button.color colorswatch:first-child:last-child:insensitive, button.color 
colorswatch:first-child:last-child:backdrop {
+    button.color > colorswatch:first-child:last-child > overlay, button.color > 
colorswatch:first-child:last-child, headerbar button.color.titlebutton > colorswatch:first-child:last-child,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child {
+      border-radius: 0; }
+    button.color > colorswatch:first-child:last-child:insensitive, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child:insensitive,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child:insensitive, button.color > 
colorswatch:first-child:last-child:backdrop, headerbar button.color.titlebutton > 
colorswatch:first-child:last-child:backdrop,
+    .titlebar button.color.titlebutton > colorswatch:first-child:last-child:backdrop {
       box-shadow: none; }
 
 /*********