[gtk+] Adwaita: check/radio/slider gradient tweaks

[Lapo Calamandrei <lapo src gnome org>]

commit a979cff7484507c90591b2d374eb159873d33490
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri Feb 19 18:03:38 2016 +0100

    Adwaita: check/radio/slider gradient tweaks

 gtk/theme/Adwaita/_drawing.scss          |   39 +++++++++++++++++------------
 gtk/theme/Adwaita/gtk-contained-dark.css |   36 +++++++++++++-------------
 gtk/theme/Adwaita/gtk-contained.css      |   36 +++++++++++++-------------
 3 files changed, 59 insertions(+), 52 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_drawing.scss b/gtk/theme/Adwaita/_drawing.scss
index 264c306..63f6adf 100644
--- a/gtk/theme/Adwaita/_drawing.scss
+++ b/gtk/theme/Adwaita/_drawing.scss
@@ -235,12 +235,21 @@
     color: $tc;
     outline-color: transparentize($tc, 0.7);
     border-color: if($c!=$bg_color, _border_color($c), $borders_color);
-    @if $variant == 'light' { background-image: linear-gradient(to bottom, $c, darken($c, 4%) 60%, 
darken($c, 10%)); }
-    @else { background-image: linear-gradient(to bottom, darken($c, 2%), darken($c, 4%) 60%, darken($c, 
6%)); }
-    @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
-                      inset 0 -2px $c,
-                      inset 0 -1px darken($c, 10%),
-                      $_button_edge);
+    @include _button_text_shadow($tc, $c);
+    @if $variant == 'light' {
+      background-image: linear-gradient(to bottom, lighten($c, 5%) 20%, $c 90%);
+      @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
+                        inset 0 -2px lighten($c, 2%),
+                        inset 0 -1px darken($c, 12%),
+                        $_button_edge);
+    }
+    @else {
+      background-image: linear-gradient(to bottom, darken($c, 3%) 20%, darken($c, 6%) 90%);
+      @include _shadows(inset 0 1px $_hilight_color,
+                        inset 0 -2px darken($c, 4%),
+                        inset 0 -1px darken($c, 9%),
+                        $_button_edge);
+    }
   }
 
   @else if $t==hover-alt {
@@ -251,18 +260,16 @@
     outline-color: transparentize($tc, 0.7);
     border-color: if($c!=$bg_color, _border_color($c), $borders_color);
     @if $variant == 'light' {
-      background-image: linear-gradient(to bottom, lighten($c, 6%), $c 60%, darken($c, 4%));
-      @include _button_text_shadow($tc,lighten($c, 6%));
-      @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
-                        inset 0 -2px lighten($c, 6%),
-                        inset 0 -1px darken($c, 6%),
-                        $_button_edge);
+      background-image: linear-gradient(to bottom, lighten($c, 9%) 10%, lighten($c, 4%) 90%);
+      box-shadow: inset 0 1px _button_hilight_color(lighten($c, 6%)),
+                  inset 0 -2px lighten($c, 5%),
+                  inset 0 -1px darken($c, 10%),
+                  $_button_edge;
     }
     @else {
-      background-image: linear-gradient(to bottom, lighten($c, 1%), darken($c, 2%) 60%, darken($c, 4%));
-      @include _button_text_shadow($tc,lighten($c, 6%));
-      @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
-                        inset 0 $c,
+      background-image: linear-gradient(to bottom, $c 20%, darken($c, 4%) 90%);
+      @include _shadows(inset 0 1px $_hilight_color,
+                        inset 0 -2px darken($c, 3%),
                         inset 0 -1px darken($c, 6%),
                         $_button_edge);
     }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 80df69e..a779c9e 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -2349,16 +2349,16 @@ switch {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #343a3a, #2f3434 60%, #2a2f2f);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #393f3f, inset 0 -1px #212424, 0 1px 
rgba(0, 0, 0, 0.1); }
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+    -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+    background-image: linear-gradient(to bottom, #323737 20%, #2a2f2f 90%);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #2f3434, inset 0 -1px #232727, 0 1px 
rgba(0, 0, 0, 0.1); }
   switch:hover slider {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #3b4242, #343a3a 60%, #2f3434);
-    text-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-    -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 #393f3f, inset 0 -1px #2a2f2f, 0 1px rgba(0, 
0, 0, 0.1); }
+    background-image: linear-gradient(to bottom, #393f3f 20%, #2f3434 90%);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #323737, inset 0 -1px #2a2f2f, 0 1px 
rgba(0, 0, 0, 0.1); }
   switch:active slider {
     border: 1px solid #0f2b48; }
   switch:disabled slider {
@@ -2446,8 +2446,10 @@ radio {
   color: #eeeeec;
   outline-color: rgba(238, 238, 236, 0.3);
   border-color: #1c1f1f;
-  background-image: linear-gradient(to bottom, #343a3a, #2f3434 60%, #2a2f2f);
-  box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #393f3f, inset 0 -1px #212424, 0 1px 
rgba(0, 0, 0, 0.1); }
+  text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+  -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+  background-image: linear-gradient(to bottom, #323737 20%, #2a2f2f 90%);
+  box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #2f3434, inset 0 -1px #232727, 0 1px 
rgba(0, 0, 0, 0.1); }
   check:only-child,
   radio:only-child {
     margin: 0; }
@@ -2456,10 +2458,8 @@ radio {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #3b4242, #343a3a 60%, #2f3434);
-    text-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-    -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 #393f3f, inset 0 -1px #2a2f2f, 0 1px rgba(0, 
0, 0, 0.1); }
+    background-image: linear-gradient(to bottom, #393f3f 20%, #2f3434 90%);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #323737, inset 0 -1px #2a2f2f, 0 1px 
rgba(0, 0, 0, 0.1); }
   check:active,
   radio:active {
     color: #eeeeec;
@@ -2679,18 +2679,18 @@ scale {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #343a3a, #2f3434 60%, #2a2f2f);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #393f3f, inset 0 -1px #212424, 0 1px 
rgba(0, 0, 0, 0.1);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+    -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+    background-image: linear-gradient(to bottom, #323737 20%, #2a2f2f 90%);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #2f3434, inset 0 -1px #232727, 0 1px 
rgba(0, 0, 0, 0.1);
     border: 1px solid #151717;
     border-radius: 100%; }
     scale slider:hover {
       color: #eeeeec;
       outline-color: rgba(238, 238, 236, 0.3);
       border-color: #1c1f1f;
-      background-image: linear-gradient(to bottom, #3b4242, #343a3a 60%, #2f3434);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-      -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.76376);
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 #393f3f, inset 0 -1px #2a2f2f, 0 1px 
rgba(0, 0, 0, 0.1); }
+      background-image: linear-gradient(to bottom, #393f3f 20%, #2f3434 90%);
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), inset 0 -2px #323737, inset 0 -1px #2a2f2f, 0 1px 
rgba(0, 0, 0, 0.1); }
     scale slider:active {
       border-color: #0f2b48; }
     scale slider:disabled {
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 4123518..9d00417 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -2360,16 +2360,16 @@ switch {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #9d9d99;
-    background-image: linear-gradient(to bottom, #e8e8e7, #dededd 60%, #cfcfcd);
-    box-shadow: inset 0 1px white, inset 0 -2px #e8e8e7, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1); }
+    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    background-image: linear-gradient(to bottom, #f4f4f4 20%, #e8e8e7 90%);
+    box-shadow: inset 0 1px white, inset 0 -2px #ededec, inset 0 -1px #cacac8, 0 1px rgba(0, 0, 0, 0.1); }
   switch:hover slider {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #9d9d99;
-    background-image: linear-gradient(to bottom, #f7f7f7, #e8e8e7 60%, #dededd);
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px white, inset 0 -2px #f7f7f7, inset 0 -1px #d9d9d7, 0 1px rgba(0, 0, 0, 0.1); }
+    background-image: linear-gradient(to bottom, #fefefe 10%, #f2f2f1 90%);
+    box-shadow: inset 0 1px white, inset 0 -2px #f4f4f4, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1); }
   switch:active slider {
     border: 1px solid #184472; }
   switch:disabled slider {
@@ -2468,8 +2468,10 @@ radio {
   color: #2e3436;
   outline-color: rgba(46, 52, 54, 0.3);
   border-color: #9d9d99;
-  background-image: linear-gradient(to bottom, #e8e8e7, #dededd 60%, #cfcfcd);
-  box-shadow: inset 0 1px white, inset 0 -2px #e8e8e7, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1); }
+  text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+  -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+  background-image: linear-gradient(to bottom, #f4f4f4 20%, #e8e8e7 90%);
+  box-shadow: inset 0 1px white, inset 0 -2px #ededec, inset 0 -1px #cacac8, 0 1px rgba(0, 0, 0, 0.1); }
   check:only-child,
   radio:only-child {
     margin: 0; }
@@ -2478,10 +2480,8 @@ radio {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #9d9d99;
-    background-image: linear-gradient(to bottom, #f7f7f7, #e8e8e7 60%, #dededd);
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px white, inset 0 -2px #f7f7f7, inset 0 -1px #d9d9d7, 0 1px rgba(0, 0, 0, 0.1); }
+    background-image: linear-gradient(to bottom, #fefefe 10%, #f2f2f1 90%);
+    box-shadow: inset 0 1px white, inset 0 -2px #f4f4f4, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1); }
   check:active,
   radio:active {
     color: #2e3436;
@@ -2710,18 +2710,18 @@ scale {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #9d9d99;
-    background-image: linear-gradient(to bottom, #e8e8e7, #dededd 60%, #cfcfcd);
-    box-shadow: inset 0 1px white, inset 0 -2px #e8e8e7, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1);
+    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    background-image: linear-gradient(to bottom, #f4f4f4 20%, #e8e8e7 90%);
+    box-shadow: inset 0 1px white, inset 0 -2px #ededec, inset 0 -1px #cacac8, 0 1px rgba(0, 0, 0, 0.1);
     border: 1px solid #969691;
     border-radius: 100%; }
     scale slider:hover {
       color: #2e3436;
       outline-color: rgba(46, 52, 54, 0.3);
       border-color: #9d9d99;
-      background-image: linear-gradient(to bottom, #f7f7f7, #e8e8e7 60%, #dededd);
-      text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      box-shadow: inset 0 1px white, inset 0 -2px #f7f7f7, inset 0 -1px #d9d9d7, 0 1px rgba(0, 0, 0, 0.1); }
+      background-image: linear-gradient(to bottom, #fefefe 10%, #f2f2f1 90%);
+      box-shadow: inset 0 1px white, inset 0 -2px #f4f4f4, inset 0 -1px #cfcfcd, 0 1px rgba(0, 0, 0, 0.1); }
     scale slider:active {
       border-color: #184472; }
     scale slider:disabled {