[evince] Set a style class on the view so it can be more easily styled

[Carlos Garcia Campos <carlosgc src gnome org>]

commit a56186e42b1eb0c78435f1c82b66666e8932cc39
Author: William Jon McCann <jmccann redhat com>
Date:   Tue Dec 4 16:26:54 2012 -0500

    Set a style class on the view so it can be more easily styled
    
    And share the style we use for other content views.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=653294

 libview/ev-view.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index df11e5d..7da6323 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -3403,9 +3403,6 @@ ev_view_realize (GtkWidget *widget)
 				 &attributes, attributes_mask);
 	gtk_widget_set_window (widget, window);
 	gdk_window_set_user_data (window, widget);
-
-	gtk_style_context_set_background (gtk_widget_get_style_context (widget),
-					  window);
 }
 
 static gboolean
@@ -3416,6 +3413,12 @@ ev_view_draw (GtkWidget *widget,
 	gint         i;
 	GdkRectangle clip_rect;
 
+	gtk_render_background (gtk_widget_get_style_context (widget),
+			       cr,
+			       0, 0,
+			       gtk_widget_get_allocated_width (widget),
+			       gtk_widget_get_allocated_height (widget));
+
 	if (view->document == NULL)
 		return FALSE;
 
@@ -4922,11 +4925,17 @@ ev_view_class_init (EvViewClass *class)
 static void
 ev_view_init (EvView *view)
 {
+	GtkStyleContext *context;
+
 	gtk_widget_set_has_window (GTK_WIDGET (view), TRUE);
 	gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
 	gtk_widget_set_redraw_on_allocate (GTK_WIDGET (view), FALSE);
 	gtk_container_set_resize_mode (GTK_CONTAINER (view), GTK_RESIZE_QUEUE);
 
+	context = gtk_widget_get_style_context (GTK_WIDGET (view));
+	gtk_style_context_add_class (context, "content-view");
+	gtk_style_context_add_class (context, "view");
+
 	gtk_widget_set_events (GTK_WIDGET (view),
 			       GDK_EXPOSURE_MASK |
 			       GDK_BUTTON_PRESS_MASK |