[gtksourceview] GutterRenderer: don't use gtk_style_context_get_background_color()

[Sébastien Wilmet <swilmet src gnome org>]

commit 7574e62e474554ea910894f5a3e936210ec16666
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Mar 4 15:00:43 2015 +0100

    GutterRenderer: don't use gtk_style_context_get_background_color()
    
    The function is deprecated, it is replaced by gtk_render_background().

 gtksourceview/gtksourcegutterrenderer.c |   31 +++++++++++++------------------
 1 files changed, 13 insertions(+), 18 deletions(-)
---
diff --git a/gtksourceview/gtksourcegutterrenderer.c b/gtksourceview/gtksourcegutterrenderer.c
index 58013ef..f83936c 100644
--- a/gtksourceview/gtksourcegutterrenderer.c
+++ b/gtksourceview/gtksourcegutterrenderer.c
@@ -475,13 +475,13 @@ renderer_draw_impl (GtkSourceGutterRenderer      *renderer,
                     GtkTextIter                  *end,
                     GtkSourceGutterRendererState  state)
 {
-       gboolean draw_background = FALSE;
-       GdkRGBA background_color;
-
        if (renderer->priv->background_set)
        {
-               background_color = renderer->priv->background_color;
-               draw_background = TRUE;
+               cairo_save (cr);
+               gdk_cairo_rectangle (cr, background_area);
+               gdk_cairo_set_source_rgba (cr, &renderer->priv->background_color);
+               cairo_fill (cr);
+               cairo_restore (cr);
        }
        else if ((state & GTK_SOURCE_GUTTER_RENDERER_STATE_CURSOR) != 0 &&
                 GTK_SOURCE_IS_VIEW (renderer->priv->view))
@@ -489,23 +489,18 @@ renderer_draw_impl (GtkSourceGutterRenderer      *renderer,
                GtkStyleContext *context;
 
                context = gtk_widget_get_style_context (GTK_WIDGET (renderer->priv->view));
+
                gtk_style_context_save (context);
                gtk_style_context_add_class (context, "current-line-number");
-               gtk_style_context_get_background_color (context,
-                                                       gtk_style_context_get_state (context),
-                                                       &background_color);
-               gtk_style_context_restore (context);
 
-               draw_background = TRUE;
-       }
+               gtk_render_background (context,
+                                      cr,
+                                      background_area->x,
+                                      background_area->y,
+                                      background_area->width,
+                                      background_area->height);
 
-       if (draw_background)
-       {
-               cairo_save (cr);
-               gdk_cairo_rectangle (cr, background_area);
-               gdk_cairo_set_source_rgba (cr, &background_color);
-               cairo_fill (cr);
-               cairo_restore (cr);
+               gtk_style_context_restore (context);
        }
 }