[gtk+] Adwaita: simplify vertically linked entries scss code

[Lapo Calamandrei <lapo src gnome org>]

commit b37e4ff8059e31fd482560327a20580cb5969303
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri Mar 11 14:56:21 2016 +0100

    Adwaita: simplify vertically linked entries scss code

 gtk/theme/Adwaita/_common.scss           |   22 +++-------------------
 gtk/theme/Adwaita/gtk-contained-dark.css |   16 ++--------------
 gtk/theme/Adwaita/gtk-contained.css      |   16 ++--------------
 3 files changed, 7 insertions(+), 47 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index feb229d..9114049 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -332,14 +332,6 @@ entry {
 .linked.vertical {
   > entry { @extend %linked_vertical; }
 
-  // remove the edge hilight and the focus shadow (unfortunatelly)
-  > entry:not(:last-child) { box-shadow: none; }
-
-  // add back the focus shadow
-  > entry:focus:not(:last-child) { box-shadow: entry_focus_shadow(); }
-
-  > entry:drop(active):not(:last-child) { box-shadow: inset 0 0 0 1px $drop_target_color; }
-
   // brighter border between linked entries
   > entry:not(:disabled) + entry:not(:disabled) {
     border-top-color: mix($borders_color, $base_color, 30%);
@@ -355,22 +347,14 @@ entry {
   > entry:disabled + entry:disabled { border-top-color: mix($borders_color, $base_color, 30%); }
 
   // color back the top border of a linked focused entry following another entry and add back the focus 
shadow.
-  > entry + entry:focus:not(:last-child) {
+  // :not(:only-child) is a specificity bump hack.
+  > entry + entry:focus:not(:only-child) {
     border-top-color: entry_focus_border();
-    box-shadow: entry_focus_shadow();
   }
-
-  > entry + entry:drop(active):not(:last-child) {
+  > entry + entry:drop(active):not(:only-child) {
     border-top-color: $drop_target_color;
-    box-shadow: inset 0 0 0 1px $drop_target_color;
   }
 
-  // just recolor the top border on the last focused entry, since we don't reset the shadow here letting 
that be
-  // inherited by the entry styling.
-  > entry + entry:focus:last-child { border-top-color: entry_focus_border(); }
-
-  > entry + entry:drop(active):last-child { border-top-color: $drop_target_color; }
-
   // this takes care of coloring the top border of the focused entry subsequent widget.
   // :not(:only-child) is a specificity bump hack.
   > entry:focus:not(:only-child) + entry,
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 7bee821..ad17291 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -309,12 +309,6 @@ entry, spinbutton:not(.vertical) {
     border-color: black;
     box-shadow: inset 0 0 0 1px black; }
 
-.linked.vertical > entry:not(:last-child), .linked.vertical > spinbutton:not(:last-child):not(.vertical) {
-  box-shadow: none; }
-.linked.vertical > entry:focus:not(:last-child), .linked.vertical > 
spinbutton:focus:not(:last-child):not(.vertical) {
-  box-shadow: inset 0 0 0 1px #215d9c; }
-.linked.vertical > entry:drop(active):not(:last-child), .linked.vertical > 
spinbutton:drop(active):not(:last-child):not(.vertical) {
-  box-shadow: inset 0 0 0 1px black; }
 .linked.vertical > entry:not(:disabled) + entry:not(:disabled), .linked.vertical > 
spinbutton:not(:disabled):not(.vertical) + entry:not(:disabled), .linked.vertical > entry:not(:disabled) + 
spinbutton:not(:disabled):not(.vertical), .linked.vertical > spinbutton:not(:disabled):not(.vertical) + 
spinbutton:not(:disabled):not(.vertical) {
   border-top-color: #252626;
   background-image: linear-gradient(to bottom, #292929); }
@@ -323,15 +317,9 @@ entry, spinbutton:not(.vertical) {
     background-image: linear-gradient(to bottom, #2c2c2c); }
 .linked.vertical > entry:disabled + entry:disabled, .linked.vertical > spinbutton:disabled:not(.vertical) + 
entry:disabled, .linked.vertical > entry:disabled + spinbutton:disabled:not(.vertical), .linked.vertical > 
spinbutton:disabled:not(.vertical) + spinbutton:disabled:not(.vertical) {
   border-top-color: #252626; }
-.linked.vertical > entry + entry:focus:not(:last-child), .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:not(:last-child), .linked.vertical > entry + spinbutton:focus:not(:last-child):not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:last-child):not(.vertical) {
-  border-top-color: #0f2b48;
-  box-shadow: inset 0 0 0 1px #215d9c; }
-.linked.vertical > entry + entry:drop(active):not(:last-child), .linked.vertical > spinbutton:not(.vertical) 
+ entry:drop(active):not(:last-child), .linked.vertical > entry + 
spinbutton:drop(active):not(:last-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + 
spinbutton:drop(active):not(:last-child):not(.vertical) {
-  border-top-color: black;
-  box-shadow: inset 0 0 0 1px black; }
-.linked.vertical > entry + entry:focus:last-child, .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:last-child, .linked.vertical > entry + spinbutton:focus:last-child:not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:last-child:not(.vertical) {
+.linked.vertical > entry + entry:focus:not(:only-child), .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:not(:only-child), .linked.vertical > entry + spinbutton:focus:not(:only-child):not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:only-child):not(.vertical) {
   border-top-color: #0f2b48; }
-.linked.vertical > entry + entry:drop(active):last-child, .linked.vertical > spinbutton:not(.vertical) + 
entry:drop(active):last-child, .linked.vertical > entry + spinbutton:drop(active):last-child:not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:drop(active):last-child:not(.vertical) {
+.linked.vertical > entry + entry:drop(active):not(:only-child), .linked.vertical > spinbutton:not(.vertical) 
+ entry:drop(active):not(:only-child), .linked.vertical > entry + 
spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + 
spinbutton:drop(active):not(:only-child):not(.vertical) {
   border-top-color: black; }
 .linked.vertical > entry:focus:not(:only-child) + entry, .linked.vertical > 
spinbutton:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > entry:focus:not(:only-child) + 
spinbutton:not(.vertical), .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + 
spinbutton:not(.vertical),
 .linked.vertical > entry:focus:not(:only-child) + button,
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index c37b744..9a0c800 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -309,12 +309,6 @@ entry, spinbutton:not(.vertical) {
     border-color: black;
     box-shadow: inset 0 0 0 1px black; }
 
-.linked.vertical > entry:not(:last-child), .linked.vertical > spinbutton:not(:last-child):not(.vertical) {
-  box-shadow: none; }
-.linked.vertical > entry:focus:not(:last-child), .linked.vertical > 
spinbutton:focus:not(:last-child):not(.vertical) {
-  box-shadow: inset 0 0 0 1px #4a90d9; }
-.linked.vertical > entry:drop(active):not(:last-child), .linked.vertical > 
spinbutton:drop(active):not(:last-child):not(.vertical) {
-  box-shadow: inset 0 0 0 1px black; }
 .linked.vertical > entry:not(:disabled) + entry:not(:disabled), .linked.vertical > 
spinbutton:not(:disabled):not(.vertical) + entry:not(:disabled), .linked.vertical > entry:not(:disabled) + 
spinbutton:not(:disabled):not(.vertical), .linked.vertical > spinbutton:not(:disabled):not(.vertical) + 
spinbutton:not(:disabled):not(.vertical) {
   border-top-color: #e2e2e0;
   background-image: linear-gradient(to bottom, #ffffff); }
@@ -323,15 +317,9 @@ entry, spinbutton:not(.vertical) {
     background-image: linear-gradient(to bottom, white); }
 .linked.vertical > entry:disabled + entry:disabled, .linked.vertical > spinbutton:disabled:not(.vertical) + 
entry:disabled, .linked.vertical > entry:disabled + spinbutton:disabled:not(.vertical), .linked.vertical > 
spinbutton:disabled:not(.vertical) + spinbutton:disabled:not(.vertical) {
   border-top-color: #e2e2e0; }
-.linked.vertical > entry + entry:focus:not(:last-child), .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:not(:last-child), .linked.vertical > entry + spinbutton:focus:not(:last-child):not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:last-child):not(.vertical) {
-  border-top-color: #4a90d9;
-  box-shadow: inset 0 0 0 1px #4a90d9; }
-.linked.vertical > entry + entry:drop(active):not(:last-child), .linked.vertical > spinbutton:not(.vertical) 
+ entry:drop(active):not(:last-child), .linked.vertical > entry + 
spinbutton:drop(active):not(:last-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + 
spinbutton:drop(active):not(:last-child):not(.vertical) {
-  border-top-color: black;
-  box-shadow: inset 0 0 0 1px black; }
-.linked.vertical > entry + entry:focus:last-child, .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:last-child, .linked.vertical > entry + spinbutton:focus:last-child:not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:last-child:not(.vertical) {
+.linked.vertical > entry + entry:focus:not(:only-child), .linked.vertical > spinbutton:not(.vertical) + 
entry:focus:not(:only-child), .linked.vertical > entry + spinbutton:focus:not(:only-child):not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:only-child):not(.vertical) {
   border-top-color: #4a90d9; }
-.linked.vertical > entry + entry:drop(active):last-child, .linked.vertical > spinbutton:not(.vertical) + 
entry:drop(active):last-child, .linked.vertical > entry + spinbutton:drop(active):last-child:not(.vertical), 
.linked.vertical > spinbutton:not(.vertical) + spinbutton:drop(active):last-child:not(.vertical) {
+.linked.vertical > entry + entry:drop(active):not(:only-child), .linked.vertical > spinbutton:not(.vertical) 
+ entry:drop(active):not(:only-child), .linked.vertical > entry + 
spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + 
spinbutton:drop(active):not(:only-child):not(.vertical) {
   border-top-color: black; }
 .linked.vertical > entry:focus:not(:only-child) + entry, .linked.vertical > 
spinbutton:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > entry:focus:not(:only-child) + 
spinbutton:not(.vertical), .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + 
spinbutton:not(.vertical),
 .linked.vertical > entry:focus:not(:only-child) + button,