From e6341a0b630635438982b9abe9c02d48041a1bc0 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Thu, 26 Jun 2014 22:00:29 -0400
Subject: [PATCH] Add a FLAT style class

This will be used for frame-less buttons and frames in the future.
---
 docs/reference/gtk/gtk3-sections.txt |  1 +
 gtk/gtkstylecontext.h                | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 5896a799cd..f32a782c06 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5977,6 +5977,7 @@ GTK_STYLE_CLASS_ENTRY
 GTK_STYLE_CLASS_ERROR
 GTK_STYLE_CLASS_EXPANDER
 GTK_STYLE_CLASS_FRAME
+GTK_STYLE_CLASS_FLAT
 GTK_STYLE_CLASS_GRIP
 GTK_STYLE_CLASS_HEADER
 GTK_STYLE_CLASS_HIGHLIGHT
diff --git a/gtk/gtkstylecontext.h b/gtk/gtkstylecontext.h
index 22182b36d7..d141476e44 100644
--- a/gtk/gtkstylecontext.h
+++ b/gtk/gtkstylecontext.h
@@ -825,6 +825,17 @@ struct _GtkStyleContextClass
  */
 #define GTK_STYLE_CLASS_MESSAGE_DIALOG "message-dialog"
 
+/**
+ * GTK_STYLE_CLASS_FLAT:
+ *
+ * A CSS class that is added when widgets that usually have
+ * a frame or border (like buttons or entries) should appear
+ * without it.
+ *
+ * Since: 3.14
+ */
+#define GTK_STYLE_CLASS_FLAT "flat"
+
 /**
  * GTK_STYLE_REGION_ROW:
  *