From 30a56acc7deb0ba6d91d38fbe04771130211f874 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Fri, 28 Oct 2016 12:55:33 -0400
Subject: [PATCH] gadget: Add a get_render_node vfunc

This will let us do box gadgets like we do containers.
---
 gtk/gtkcssgadget.c        | 21 +++++++++++++++++----
 gtk/gtkcssgadgetprivate.h |  4 ++++
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/gtk/gtkcssgadget.c b/gtk/gtkcssgadget.c
index dbce0c94d7..1559fac1a0 100644
--- a/gtk/gtkcssgadget.c
+++ b/gtk/gtkcssgadget.c
@@ -261,6 +261,10 @@ gtk_css_gadget_has_content (GtkCssGadget *gadget)
   return gadget_class->draw != gtk_css_gadget_real_draw;
 }
 
+static GskRenderNode * gtk_css_gadget_real_get_render_node (GtkCssGadget  *gadget,
+                                                            GskRenderer   *renderer,
+                                                            gboolean       draw_focus);
+
 static void
 gtk_css_gadget_class_init (GtkCssGadgetClass *klass)
 {
@@ -273,6 +277,7 @@ gtk_css_gadget_class_init (GtkCssGadgetClass *klass)
   klass->get_preferred_size = gtk_css_gadget_real_get_preferred_size;
   klass->allocate = gtk_css_gadget_real_allocate;
   klass->draw = gtk_css_gadget_real_draw;
+  klass->get_render_node = gtk_css_gadget_real_get_render_node;
   klass->style_changed = gtk_css_gadget_real_style_changed;
   klass->has_content = gtk_css_gadget_has_content;
 
@@ -812,10 +817,10 @@ gtk_css_gadget_allocate (GtkCssGadget        *gadget,
   priv->clip = *out_clip;
 }
 
-GskRenderNode *
-gtk_css_gadget_get_render_node (GtkCssGadget  *gadget,
-                                GskRenderer   *renderer,
-                                gboolean       draw_focus)
+static GskRenderNode *
+gtk_css_gadget_real_get_render_node (GtkCssGadget  *gadget,
+                                     GskRenderer   *renderer,
+                                     gboolean       draw_focus)
 {
   GtkCssGadgetPrivate *priv = gtk_css_gadget_get_instance_private (gadget);
   GtkBorder clip, margin, border, padding;
@@ -1112,6 +1117,14 @@ gtk_css_gadget_draw (GtkCssGadget *gadget,
 #endif
 }
 
+GskRenderNode *
+gtk_css_gadget_get_render_node (GtkCssGadget  *gadget,
+                                GskRenderer   *renderer,
+                                gboolean       draw_focus)
+{
+   return GTK_CSS_GADGET_GET_CLASS (gadget)->get_render_node (gadget, renderer, draw_focus);
+}
+
 void
 gtk_css_gadget_queue_resize (GtkCssGadget *gadget)
 {
diff --git a/gtk/gtkcssgadgetprivate.h b/gtk/gtkcssgadgetprivate.h
index 54c6132551..347920d0ad 100644
--- a/gtk/gtkcssgadgetprivate.h
+++ b/gtk/gtkcssgadgetprivate.h
@@ -68,6 +68,10 @@ struct _GtkCssGadgetClass
                                                          int                     width,
                                                          int                     height);
 
+  GskRenderNode * (* get_render_node)                   (GtkCssGadget           *gadget,
+                                                         GskRenderer            *renderer,
+                                                         gboolean                draw_focus);
+
   void          (* style_changed)                       (GtkCssGadget           *gadget,
                                                          GtkCssStyleChange      *change);
 
-- 
2.30.2