[gtksourceview/wip/chergert/gsv-gtk4: 170/192] gutter: use style context for gutter widget

[Christian Hergert <chergert src gnome org>]

commit 699cedcfedfb9ba12af3e272d0c9246a00096c0a
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 17 14:04:41 2020 -0700

    gutter: use style context for gutter widget
    
    We no longer need the styling from the GtkSourceView widget itself.

 gtksourceview/gtksourcegutter.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)
---
diff --git a/gtksourceview/gtksourcegutter.c b/gtksourceview/gtksourcegutter.c
index bba7ef83a..68042218a 100644
--- a/gtksourceview/gtksourcegutter.c
+++ b/gtksourceview/gtksourcegutter.c
@@ -749,7 +749,7 @@ gtk_source_gutter_snapshot (GtkWidget   *widget,
 {
        GtkSourceGutter *gutter = GTK_SOURCE_GUTTER (widget);
        GtkTextView *text_view = GTK_TEXT_VIEW (gutter->view);
-       GtkStyleContext *view_context;
+       GtkStyleContext *style_context;
        const GList *list;
        GdkRectangle visible_rect;
        GtkTextIter begin;
@@ -764,8 +764,7 @@ gtk_source_gutter_snapshot (GtkWidget   *widget,
                return;
        }
 
-       /* We need the style from the view itself for highlight lines */
-       view_context = gtk_widget_get_style_context (GTK_WIDGET (gutter->view));
+       style_context = gtk_widget_get_style_context (GTK_WIDGET (gutter));
 
        gtk_text_view_get_visible_rect (text_view, &visible_rect);
        gtk_text_view_get_iter_at_location (text_view, &begin,
@@ -805,17 +804,17 @@ gtk_source_gutter_snapshot (GtkWidget   *widget,
                                                                 &y,
                                                                 &height);
 
-                       gtk_style_context_save (view_context);
-                       gtk_style_context_add_class (view_context, "current-line-number");
+                       gtk_style_context_save (style_context);
+                       gtk_style_context_add_class (style_context, "current-line-number");
 
                        gtk_snapshot_render_background (snapshot,
-                                                       view_context,
+                                                       style_context,
                                                        0,
                                                        y,
                                                        gtk_widget_get_width (widget),
                                                        height);
 
-                       gtk_style_context_restore (view_context);
+                       gtk_style_context_restore (style_context);
                }
        }