[gtksourceview] Move the grid background to LAYER_BELOW_TEXT

[Paolo Borelli <pborelli src gnome org>]

commit 46c599ae402d3d9678220014a836d23782c3fc37
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Jan 30 11:21:38 2016 +0100

    Move the grid background to LAYER_BELOW_TEXT

 gtksourceview/gtksourceview.c |   25 ++++++++++++-------------
 1 files changed, 12 insertions(+), 13 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 8dec430..d0c0507 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -2933,9 +2933,7 @@ gtk_source_view_paint_background_pattern_grid (GtkSourceView *view,
                                               cairo_t       *cr)
 {
        GdkRectangle clip;
-       GdkRectangle vis;
-       gdouble x;
-       gdouble y;
+       gdouble x, y, x2, y2;
        PangoContext *context;
        PangoLayout *layout;
        gint grid_width = 16;
@@ -2953,10 +2951,9 @@ gtk_source_view_paint_background_pattern_grid (GtkSourceView *view,
 
        cairo_save (cr);
 
-       cairo_set_line_width (cr, 1.0);
        gdk_cairo_get_clip_rectangle (cr, &clip);
-       gtk_text_view_get_visible_rect (GTK_TEXT_VIEW (view), &vis);
 
+       cairo_set_line_width (cr, 1.0);
        gdk_cairo_set_source_rgba (cr, &view->priv->background_pattern_color);
 
        /*
@@ -2964,16 +2961,18 @@ gtk_source_view_paint_background_pattern_grid (GtkSourceView *view,
         * settings. Sadly, they are not exposed in the public API,
         * just keep them in sync here. 64 for X, height/2 for Y.
         */
-       x = (grid_width - (vis.x % grid_width)) - (64 / grid_width * grid_width) - grid_width + 2;
-       y = (grid_height - (vis.y % grid_height)) - (vis.height / 2 / grid_height * grid_height) - 
grid_height;
+       x = (grid_width - (clip.x % grid_width)) - (64 / grid_width * grid_width) - grid_width + 2;
+       y = (grid_height - (clip.y % grid_height)) - (clip.height / 2 / grid_height * grid_height) - 
grid_height;
+       x2 = clip.x + clip.width;
+       y2 = clip.y + clip.height;
 
-       for (; x <= clip.x + clip.width; x += grid_width)
+       for (; x <= x2; x += grid_width)
        {
                cairo_move_to (cr, x + .5, clip.y - .5);
                cairo_line_to (cr, x + .5, clip.y + clip.height - .5);
        }
 
-       for (; y <= clip.y + clip.height; y += grid_height)
+       for (; y <= y2; y += grid_height)
        {
                cairo_move_to (cr, clip.x + .5, y - .5);
                cairo_line_to (cr, clip.x + clip.width + .5, y - .5);
@@ -3018,15 +3017,15 @@ gtk_source_view_draw_layer (GtkTextView      *text_view,
        if (layer == GTK_TEXT_VIEW_LAYER_BELOW_TEXT)
        {
                gtk_source_view_ensure_redrawn_rect_is_highlighted (view, cr);
-       }
-       else if (layer == GTK_TEXT_VIEW_LAYER_BELOW)
-       {
+
                if (view->priv->background_pattern == GTK_SOURCE_BACKGROUND_PATTERN_TYPE_GRID &&
                    view->priv->background_pattern_color_set)
                {
                        gtk_source_view_paint_background_pattern_grid (view, cr);
                }
-
+       }
+       else if (layer == GTK_TEXT_VIEW_LAYER_BELOW)
+       {
                if (gtk_widget_is_sensitive (GTK_WIDGET (view)) &&
                    view->priv->highlight_current_line &&
                    view->priv->current_line_color_set)