[dconf-editor] Give more space to value row if possible.

[Arnaud Bonatti <arnaudb src gnome org>]

commit fa3761a78d578d9183c182a29d450b1c7c8ac516
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Jul 18 15:03:27 2016 +0200

    Give more space to value row if possible.

 editor/dconf-editor.css  |    2 ++
 editor/dconf-window.vala |   22 +++++++++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletions(-)
---
diff --git a/editor/dconf-editor.css b/editor/dconf-editor.css
index 832d7b9..b07e50d 100644
--- a/editor/dconf-editor.css
+++ b/editor/dconf-editor.css
@@ -78,6 +78,8 @@ window > popover.menu {
 
                          .dconf-list          > row > .key    > grid > grid          { min-width:400px; 
transition:min-width 0.3s; }
 .large-window            .dconf-list          > row > .key    > grid > grid          { min-width:450px; }
+.large-window.xl         .dconf-list          > row > .key    > grid > grid          { min-width:474px; }
+.large-window.xl.xxl     .dconf-list          > row > .key    > grid > grid          { min-width:500px; }
 
 /* grid spacing and padding-end */
                          .dconf-list:dir(ltr) > row  grid > label { padding-right: 0.5em; }
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 6d8dfc9..aa53a0e 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -130,10 +130,30 @@ class DConfWindow : ApplicationWindow
         /* responsive design */
 
         StyleContext context = get_style_context ();
-        if (allocation.width > 1000)
+        if (allocation.width > 1200)
+        {
+            context.add_class ("xxl");
+            context.add_class ("xl");
+            context.add_class ("large-window");
+        }
+        else if (allocation.width > 1100)
+        {
+            context.remove_class ("xxl");
+            context.add_class ("xl");
+            context.add_class ("large-window");
+        }
+        else if (allocation.width > 1000)
+        {
+            context.remove_class ("xxl");
+            context.remove_class ("xl");
             context.add_class ("large-window");
+        }
         else
+        {
+            context.remove_class ("xxl");
+            context.remove_class ("xl");
             context.remove_class ("large-window");
+        }
 
         /* save size */