treeview: don't use wide-separators/separator-height

Those style properties are on their way out; instead, use min-height
with the separator style class to obtain the height.

3 files changed, 13 insertions, 6 deletions

diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 3dd623c101..951d19aeb9 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -1352,8 +1352,11 @@ treeview.view {
     &:backdrop { color: $backdrop_insensitive_color; }
   }
 
-  &.separator:backdrop {
-    color: transparentize(black, 0.9);
+  &.separator {
+    min-height: 2px;
+    &:backdrop {
+      color: transparentize(black, 0.9);
+    }
   }
 
   &:backdrop {
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 0d6a13014c..70b7b4f6c8 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -1998,8 +1998,10 @@ treeview.view {
         color: #648eba; }
     treeview.view:disabled:backdrop {
       color: #5d6767; }
-  treeview.view.separator:backdrop {
-    color: rgba(0, 0, 0, 0.1); }
+  treeview.view.separator {
+    min-height: 2px; }
+    treeview.view.separator:backdrop {
+      color: rgba(0, 0, 0, 0.1); }
   treeview.view:backdrop {
     border-left-color: #676b6b;
     border-top: #393f3f; }
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index c217e6509d..50703a064c 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -1998,8 +1998,10 @@ treeview.view {
         color: #80b1e4; }
     treeview.view:disabled:backdrop {
       color: #c3c3c0; }
-  treeview.view.separator:backdrop {
-    color: rgba(0, 0, 0, 0.1); }
+  treeview.view.separator {
+    min-height: 2px; }
+    treeview.view.separator:backdrop {
+      color: rgba(0, 0, 0, 0.1); }
   treeview.view:backdrop {
     border-left-color: #babbbb;
     border-top: #e8e8e7; }