textview: Remove extra magic for drawing children

Instead, just draw the children. The cairo code will keep track of
things, so there's no need to track things.
Also, the old code was doing it wrong.

https://bugzilla.gnome.org/show_bug.cgi?id=672544

gtk/gtktextdisplay.c

@@ -108,7 +108,6 @@ struct _GtkTextRenderer
   cairo_t *cr;
   
   GdkRGBA *error_color;	/* Error underline color for this widget */
-  GList *widgets;      	/* widgets encountered when drawing */
 
   GdkRGBA rgba[4];
   guint8  rgba_set[4];
@@ -423,12 +422,7 @@ gtk_text_renderer_draw_shape (PangoRenderer   *renderer,
     }
   else if (GTK_IS_WIDGET (attr->data))
     {
-      GtkWidget *widget;
-      
-      widget = GTK_WIDGET (attr->data);
-
-      text_renderer->widgets = g_list_prepend (text_renderer->widgets,
-					       g_object_ref (widget));
+      /* nothing to do */
     }
   else
     g_assert_not_reached (); /* not a pixbuf or widget */
@@ -497,11 +491,10 @@ text_renderer_begin (GtkTextRenderer *text_renderer,
 
 /* Returns a GSList of (referenced) widgets encountered while drawing.
  */
-static GList *
+static void
 text_renderer_end (GtkTextRenderer *text_renderer)
 {
   GtkStyleContext *context;
-  GList *widgets = text_renderer->widgets;
 
   cairo_restore (text_renderer->cr);
 
@@ -512,15 +505,11 @@ text_renderer_end (GtkTextRenderer *text_renderer)
   text_renderer->widget = NULL;
   text_renderer->cr = NULL;
 
-  text_renderer->widgets = NULL;
-
   if (text_renderer->error_color)
     {
       gdk_rgba_free (text_renderer->error_color);
       text_renderer->error_color = NULL;
     }
-
-  return widgets;
 }
 
 static cairo_region_t *
@@ -816,8 +805,7 @@ get_text_renderer (void)
 void
 gtk_text_layout_draw (GtkTextLayout *layout,
                       GtkWidget *widget,
-                      cairo_t *cr,
-                      GList **widgets)
+                      cairo_t *cr)
 {
   GtkStyleContext *context;
   gint offset_y;
@@ -826,7 +814,6 @@ gtk_text_layout_draw (GtkTextLayout *layout,
   gboolean have_selection;
   GSList *line_list;
   GSList *tmp_list;
-  GList *tmp_widgets;
   GdkRectangle clip;
 
   g_return_if_fail (GTK_IS_TEXT_LAYOUT (layout));
@@ -931,11 +918,7 @@ gtk_text_layout_draw (GtkTextLayout *layout,
 
   gtk_text_layout_wrap_loop_end (layout);
 
-  tmp_widgets = text_renderer_end (text_renderer);
-  if (widgets)
-    *widgets = tmp_widgets;
-  else
-    g_list_free_full (tmp_widgets, g_object_unref);
+  text_renderer_end (text_renderer);
 
   g_slist_free (line_list);
 }

gtk/gtktextdisplay.h

@@ -92,8 +92,7 @@ G_BEGIN_DECLS
  */
 void gtk_text_layout_draw (GtkTextLayout        *layout,
                            GtkWidget            *widget,
-                           cairo_t              *cr,
-                           GList               **widgets);
+                           cairo_t              *cr);
 
 
 G_END_DECLS

gtk/gtktextutil.c

@@ -398,7 +398,7 @@ _gtk_text_util_create_rich_drag_icon (GtkWidget     *widget,
    cairo_save (cr);
 
    cairo_translate (cr, 1 + DRAG_ICON_LAYOUT_BORDER, 1 + DRAG_ICON_LAYOUT_BORDER);
-   gtk_text_layout_draw (layout, widget, cr, NULL);
+   gtk_text_layout_draw (layout, widget, cr);
 
    cairo_restore (cr);
 

gtk/gtktextview.c

@@ -4804,8 +4804,6 @@ gtk_text_view_paint (GtkWidget      *widget,
 {
   GtkTextView *text_view;
   GtkTextViewPrivate *priv;
-  GList *child_exposes;
-  GList *tmp_list;
   
   text_view = GTK_TEXT_VIEW (widget);
   priv = text_view->priv;
@@ -4833,33 +4831,14 @@ gtk_text_view_paint (GtkWidget      *widget,
           area->width, area->height);
 #endif
 
-  child_exposes = NULL;
-
   cairo_save (cr);
   cairo_translate (cr, -priv->xoffset, -priv->yoffset);
 
   gtk_text_layout_draw (priv->layout,
                         widget,
-                        cr,
-                        &child_exposes);
+                        cr);
 
   cairo_restore (cr);
-
-  tmp_list = child_exposes;
-  while (tmp_list != NULL)
-    {
-      GtkWidget *child = tmp_list->data;
-  
-      gtk_container_propagate_draw (GTK_CONTAINER (text_view),
-                                    child,
-                                    cr);
-
-      g_object_unref (child);
-      
-      tmp_list = tmp_list->next;
-    }
-
-  g_list_free (child_exposes);
 }
 
 static gboolean
@@ -4894,10 +4873,9 @@ gtk_text_view_draw (GtkWidget *widget,
       /* propagate_draw checks that event->window matches
        * child->window
        */
-      if (!vc->anchor)
-        gtk_container_propagate_draw (GTK_CONTAINER (widget),
-                                      vc->widget,
-                                      cr);
+      gtk_container_propagate_draw (GTK_CONTAINER (widget),
+                                    vc->widget,
+                                    cr);
       
       tmp_list = tmp_list->next;
     }