[gtk+] Adwaita: Update paned styling

[Matthias Clasen <matthiasc src gnome org>]

commit 828faaba64884e0f68c48dbb67d663af6b9e6d43
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 30 12:50:32 2015 -0400

    Adwaita: Update paned styling
    
    Adapt to the new element names in the previous commit.
    
    This also adds back a selected state which gets used
    for when the focus is placed on the separator with F8,
    just so this functionality is not forgotten.

 gtk/theme/Adwaita/_common.scss           |   15 +++++++++------
 gtk/theme/Adwaita/gtk-contained-dark.css |   18 ++++++++++--------
 gtk/theme/Adwaita/gtk-contained.css      |   18 ++++++++++--------
 3 files changed, 29 insertions(+), 22 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index eb1eb87..843adac 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2934,7 +2934,7 @@ GtkPlacesView {
  * Paned *
  *********/
 
-GtkPaned { // this is for the standard paned separator
+paned { // this is for the standard paned separator
 
   -GtkPaned-handle-size: 1; // sets separator width
 
@@ -2944,25 +2944,28 @@ GtkPaned { // this is for the standard paned separator
     margin-right: 0;
     margin-left: 8px;
   }
-  .pane-separator {
+  separator {
     background-color: $borders_color;
     &:backdrop {
       background-color: $backdrop_borders_color;
     }
   }
+  separator:selected {
+    background-color: $selected_bg_color;
+  }
 }
 
-GtkPaned.wide { // this is for the paned with wide separator
+paned.wide { // this is for the paned with wide separator
   -GtkPaned-handle-size: 5; // wider separator here
   margin: 0; // no need of the invisible drag area so, reset margin
-  .pane-separator {
+  separator {
     background-color: transparent;
     border-style: none solid;
     border-color: $borders_color;
     border-width: 1px;
   }
-  &.vertical .pane-separator { border-style: solid none;}
-  .pane-separator:backdrop { border-color: $backdrop_borders_color; }
+  &.vertical separator { border-style: solid none;}
+  separator:backdrop { border-color: $backdrop_borders_color; }
 }
 
 
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 6b126e2..e76f06c 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -4075,29 +4075,31 @@ GtkPlacesView .list-row.activatable:hover {
 /*********
  * Paned *
  *********/
-GtkPaned {
+paned {
   -GtkPaned-handle-size: 1;
   -gtk-icon-source: none;
   margin: 0 8px 8px 0; }
-  GtkPaned:dir(rtl) {
+  paned:dir(rtl) {
     margin-right: 0;
     margin-left: 8px; }
-  GtkPaned .pane-separator {
+  paned separator {
     background-color: #1c1f1f; }
-    GtkPaned .pane-separator:backdrop {
+    paned separator:backdrop {
       background-color: #1f2222; }
+  paned separator:selected {
+    background-color: #215d9c; }
 
-GtkPaned.wide {
+paned.wide {
   -GtkPaned-handle-size: 5;
   margin: 0; }
-  GtkPaned.wide .pane-separator {
+  paned.wide separator {
     background-color: transparent;
     border-style: none solid;
     border-color: #1c1f1f;
     border-width: 1px; }
-  GtkPaned.wide.vertical .pane-separator {
+  paned.wide.vertical separator {
     border-style: solid none; }
-  GtkPaned.wide .pane-separator:backdrop {
+  paned.wide separator:backdrop {
     border-color: #1f2222; }
 
 /**************
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 8540caf..7504941 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -4247,29 +4247,31 @@ GtkPlacesView .list-row.activatable:hover {
 /*********
  * Paned *
  *********/
-GtkPaned {
+paned {
   -GtkPaned-handle-size: 1;
   -gtk-icon-source: none;
   margin: 0 8px 8px 0; }
-  GtkPaned:dir(rtl) {
+  paned:dir(rtl) {
     margin-right: 0;
     margin-left: 8px; }
-  GtkPaned .pane-separator {
+  paned separator {
     background-color: #a1a1a1; }
-    GtkPaned .pane-separator:backdrop {
+    paned separator:backdrop {
       background-color: darkgray; }
+  paned separator:selected {
+    background-color: #4a90d9; }
 
-GtkPaned.wide {
+paned.wide {
   -GtkPaned-handle-size: 5;
   margin: 0; }
-  GtkPaned.wide .pane-separator {
+  paned.wide separator {
     background-color: transparent;
     border-style: none solid;
     border-color: #a1a1a1;
     border-width: 1px; }
-  GtkPaned.wide.vertical .pane-separator {
+  paned.wide.vertical separator {
     border-style: solid none; }
-  GtkPaned.wide .pane-separator:backdrop {
+  paned.wide separator:backdrop {
     border-color: darkgray; }
 
 /**************