[libadwaita] Revert "stylesheet: Use toggle group style for GtkStackSwitcher"

[Alexander Mikhaylenko <alexm src gnome org>]

commit 8ae929f12a64579faf5275ce1a83d444ba867ef2
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Sep 13 11:09:02 2021 +0000

    Revert "stylesheet: Use toggle group style for GtkStackSwitcher"
    
    This reverts commit 76c0ebe44470240d49b317c22a7211463cbb5ea1

 src/stylesheet/widgets/_buttons.scss      | 21 +++++++++++++++++++++
 src/stylesheet/widgets/_toggle-group.scss | 28 ----------------------------
 src/stylesheet/widgets/_toolbars.scss     |  9 +++------
 3 files changed, 24 insertions(+), 34 deletions(-)
---
diff --git a/src/stylesheet/widgets/_buttons.scss b/src/stylesheet/widgets/_buttons.scss
index ebc978a0..c56d97ce 100644
--- a/src/stylesheet/widgets/_buttons.scss
+++ b/src/stylesheet/widgets/_buttons.scss
@@ -240,6 +240,27 @@ button {
     }
   }
 
+  stackswitcher > & {
+    // to position the needs attention dot, padding is added to the button
+    // child, a label needs just lateral padding while an icon needs vertical
+    // padding added too.
+
+    > label {
+      padding: 0 6px;
+      margin: 0 -6px;
+    }
+
+    > image {
+      padding: 3px 6px;
+      margin: -3px -6px;
+    }
+
+    &.needs-attention {
+      > label,
+      > image { @extend %needs_attention; }
+    }
+  }
+
   // hide separators
   &.font {
     separator { background-color: transparent; }
diff --git a/src/stylesheet/widgets/_toggle-group.scss b/src/stylesheet/widgets/_toggle-group.scss
index 739e41f1..584e2864 100644
--- a/src/stylesheet/widgets/_toggle-group.scss
+++ b/src/stylesheet/widgets/_toggle-group.scss
@@ -1,4 +1,3 @@
-stackswitcher,
 .toggle-group {
   background-color: gtkalpha(currentColor, .1);
   padding: 3px;
@@ -50,30 +49,3 @@ stackswitcher,
     }
   }
 }
-
-/********************
- * GtkStackSwitcher *
- ********************/
-
-stackswitcher {
-  > button {
-    // to position the needs attention dot, padding is added to the button
-    // child, a label needs just lateral padding while an icon needs vertical
-    // padding added too.
-
-    > label {
-      padding: 0 6px;
-      margin: 0 -6px;
-    }
-
-    > image {
-      padding: 3px 6px;
-      margin: -3px -6px;
-    }
-
-    &.needs-attention {
-      > label,
-      > image { @extend %needs_attention; }
-    }
-  }
-}
diff --git a/src/stylesheet/widgets/_toolbars.scss b/src/stylesheet/widgets/_toolbars.scss
index 838e3d59..feba0e60 100644
--- a/src/stylesheet/widgets/_toolbars.scss
+++ b/src/stylesheet/widgets/_toolbars.scss
@@ -24,8 +24,7 @@
     }
   }
 
-  .toggle-group,
-  stackswitcher {
+  .toggle-group {
     button:not(.raised):not(.suggested-action):not(.destructive-action).toggle {
       &.arrow-button,
       &.image-button,
@@ -80,8 +79,7 @@
     margin-bottom: 10px;
   }
 
-  .toggle-group,
-  stackswitcher {
+  .toggle-group {
     margin-top: 6px;
     margin-bottom: 6px;
 
@@ -114,8 +112,7 @@
     button,
     menubutton,
     switch,
-    .toggle-group,
-    stackswitcher {
+    .toggle-group {
       margin-top: 0;
       margin-bottom: 0;
     }