[gtk+] Adwaita: vertically linked buttons

[Lapo Calamandrei <lapo src gnome org>]

commit ef3b5ca73593e5078f1456ca438845d3fe08dd99
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Wed Jul 9 19:37:41 2014 +0200

    Adwaita: vertically linked buttons

 gtk/resources/theme/Adwaita/_common.scss           |   26 +++++++++++++++++--
 gtk/resources/theme/Adwaita/gtk-contained-dark.css |   12 +++++++++
 gtk/resources/theme/Adwaita/gtk-contained.css      |   12 +++++++++
 3 files changed, 47 insertions(+), 3 deletions(-)
---
diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index cdf0784..3a3da7c 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -350,9 +350,13 @@ GtkLabel {
   .linked &,
   .linked &:hover,
   .linked &:active,
-  .linked &:backdrop {
-    @extend %linked_buttons;
-  }
+  .linked &:backdrop { @extend %linked_buttons; }
+
+  .linked.vertical &,
+  .linked.vertical &:hover,
+  .linked.vertical &:active,
+  .linked.vertical &:backdrop { @extend %linked_buttons_vertical; }
+
 }
 
 // all the following is for the +|- buttons on inline toolbars, that way
@@ -415,6 +419,22 @@ GtkLabel {
   }
 }
 
+%linked_buttons_vertical{
+  border-left-style: solid;
+  border-top-style: none;
+  &:first-child {
+    border-style: solid;
+    border-radius: 3px 3px 0 0;
+  }
+  &:last-child {
+    border-radius: 0 0 3px 3px;
+  }
+  &:only-child {
+    border-radius: 3px;
+    border-style: solid;
+  }
+}
+
 %undecorated_button {
   border-color: transparent;
   background-color: transparent;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css 
b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index fa5118d..a2f91da 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -571,6 +571,18 @@
     border-radius: 3px;
     border-style: solid; }
 
+.linked.vertical .button, .linked.vertical .button:hover, .linked.vertical .button:active, .linked.vertical 
.button:backdrop {
+  border-left-style: solid;
+  border-top-style: none; }
+  .linked.vertical .button:first-child {
+    border-style: solid;
+    border-radius: 3px 3px 0 0; }
+  .linked.vertical .button:last-child {
+    border-radius: 0 0 3px 3px; }
+  .linked.vertical .button:only-child {
+    border-radius: 3px;
+    border-style: solid; }
+
 .button.flat, .button.flat:backdrop, .menuitem.button.flat, .menuitem.button.flat:backdrop, 
.menuitem.button.flat:backdrop:hover, .button:link, .button:visited, .button:link:hover, .button:link:active, 
.button:visited:hover, .button:visited:active, .button:link:backdrop, .button:visited:backdrop, .notebook tab 
.button, GtkCalendar.button, GtkCalendar.button:hover, GtkCalendar.button:backdrop, 
GtkCalendar.button:backdrop:hover, .scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup 
.button:backdrop:hover, .scale-popup .button:backdrop:insensitive {
   border-color: transparent;
   background-color: transparent;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index 0dfca69..5516830 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -563,6 +563,18 @@
     border-radius: 3px;
     border-style: solid; }
 
+.linked.vertical .button, .linked.vertical .button:hover, .linked.vertical .button:active, .linked.vertical 
.button:backdrop {
+  border-left-style: solid;
+  border-top-style: none; }
+  .linked.vertical .button:first-child {
+    border-style: solid;
+    border-radius: 3px 3px 0 0; }
+  .linked.vertical .button:last-child {
+    border-radius: 0 0 3px 3px; }
+  .linked.vertical .button:only-child {
+    border-radius: 3px;
+    border-style: solid; }
+
 .button.flat, .button.flat:backdrop, .menuitem.button.flat, .menuitem.button.flat:backdrop, 
.menuitem.button.flat:backdrop:hover, .button:link, .button:visited, .button:link:hover, .button:link:active, 
.button:visited:hover, .button:visited:active, .button:link:backdrop, .button:visited:backdrop, .notebook tab 
.button, GtkCalendar.button, GtkCalendar.button:hover, GtkCalendar.button:backdrop, 
GtkCalendar.button:backdrop:hover, .scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup 
.button:backdrop:hover, .scale-popup .button:backdrop:insensitive {
   border-color: transparent;
   background-color: transparent;