[empathy] tpaw-utils: copy empathy_make_color_whiter()

[Marco Barisione <mbari src gnome org>]

commit 654aaea6780716ff7973530859d2b1b86e2f7ca3
Author: Marco Barisione <marco barisione collabora co uk>
Date:   Mon May 6 17:04:23 2013 +0100

    tpaw-utils: copy empathy_make_color_whiter()
    
    This commit also changes the licence of the moved code from GPL to LGPL.
    See GOSSIP-RELICENSING.txt for details.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=699492

 tp-account-widgets/tpaw-account-widget.c |    4 ++--
 tp-account-widgets/tpaw-utils.c          |   10 ++++++++++
 tp-account-widgets/tpaw-utils.h          |    3 +++
 3 files changed, 15 insertions(+), 2 deletions(-)
---
diff --git a/tp-account-widgets/tpaw-account-widget.c b/tp-account-widgets/tpaw-account-widget.c
index 2cb41cb..20eb64f 100644
--- a/tp-account-widgets/tpaw-account-widget.c
+++ b/tp-account-widgets/tpaw-account-widget.c
@@ -29,13 +29,13 @@
 
 #include <glib/gi18n-lib.h>
 #include <dbus/dbus-protocol.h>
-#include <tp-account-widgets/tpaw-utils.h>
 
 #include "tpaw-account-widget-irc.h"
 #include "tpaw-account-widget-private.h"
 #include "tpaw-account-widget-sip.h"
 #include "empathy-ui-utils.h"
 #include "empathy-utils.h"
+#include "tpaw-utils.h"
 
 #define DEBUG_FLAG EMPATHY_DEBUG_ACCOUNT
 #include "empathy-debug.h"
@@ -229,7 +229,7 @@ account_widget_set_entry_highlighting (GtkEntry *entry,
        * gives a colour which is inline with the theme but
        * slightly whiter.
        */
-      empathy_make_color_whiter (&color);
+      tpaw_make_color_whiter (&color);
 
       gtk_widget_override_background_color (GTK_WIDGET (entry), 0, &color);
     }
diff --git a/tp-account-widgets/tpaw-utils.c b/tp-account-widgets/tpaw-utils.c
index 3efc422..b373dac 100644
--- a/tp-account-widgets/tpaw-utils.c
+++ b/tp-account-widgets/tpaw-utils.c
@@ -156,3 +156,13 @@ tpaw_service_name_to_display_name (const gchar *service_name)
 
   return service_name;
 }
+
+void
+tpaw_make_color_whiter (GdkRGBA *color)
+{
+  const GdkRGBA white = { 1.0, 1.0, 1.0, 1.0 };
+
+  color->red = (color->red + white.red) / 2;
+  color->green = (color->green + white.green) / 2;
+  color->blue = (color->blue + white.blue) / 2;
+}
diff --git a/tp-account-widgets/tpaw-utils.h b/tp-account-widgets/tpaw-utils.h
index b11fa76..d38a7a7 100644
--- a/tp-account-widgets/tpaw-utils.h
+++ b/tp-account-widgets/tpaw-utils.h
@@ -24,6 +24,7 @@
 #define __TPAW_UTILS_H__
 
 #include <glib.h>
+#include <gtk/gtk.h>
 #include <telepathy-glib/telepathy-glib.h>
 
 G_BEGIN_DECLS
@@ -35,6 +36,8 @@ gchar *tpaw_protocol_icon_name (const gchar *protocol);
 const gchar *tpaw_protocol_name_to_display_name (const gchar *proto_name);
 const gchar *tpaw_service_name_to_display_name (const gchar *proto_name);
 
+void  tpaw_make_color_whiter (GdkRGBA *color);
+
 G_END_DECLS
 
 #endif /*  __TPAW_UTILS_H__ */