[gtk+] modelbutton: Convert to indirect rendering

[Timm Bäder <baedert src gnome org>]

commit 90292b1aa36128042a8773e3a459739bd8c8ba3c
Author: Timm Bäder <mail baedert org>
Date:   Fri Oct 28 16:29:51 2016 +0200

    modelbutton: Convert to indirect rendering

 gtk/gtkmodelbutton.c |   78 ++++++++++++++++++++++----------------------------
 1 files changed, 34 insertions(+), 44 deletions(-)
---
diff --git a/gtk/gtkmodelbutton.c b/gtk/gtkmodelbutton.c
index 9cc190a..1f12885 100644
--- a/gtk/gtkmodelbutton.c
+++ b/gtk/gtkmodelbutton.c
@@ -899,48 +899,6 @@ gtk_model_button_allocate (GtkCssGadget        *gadget,
   gdk_rectangle_union (out_clip, &check_clip, out_clip);
 }
 
-static gint
-gtk_model_button_draw (GtkWidget *widget,
-                       cairo_t   *cr)
-{
-  GtkCssGadget *gadget;
-
-  if (GTK_MODEL_BUTTON (widget)->iconic)
-    gadget = GTK_BUTTON (widget)->priv->gadget;
-  else
-    gadget = GTK_MODEL_BUTTON (widget)->gadget;
-
-  gtk_css_gadget_draw (gadget, cr);
-
-  return FALSE;
-}
-
-static gboolean
-gtk_model_button_render (GtkCssGadget *gadget,
-                         cairo_t      *cr,
-                         int           x,
-                         int           y,
-                         int           width,
-                         int           height,
-                         gpointer      data)
-{
-  GtkWidget *widget;
-  GtkModelButton *button;
-  GtkWidget *child;
-
-  widget = gtk_css_gadget_get_owner (gadget);
-  button = GTK_MODEL_BUTTON (widget);
-
-  if (gtk_css_node_get_visible (gtk_css_gadget_get_node (button->indicator_gadget)))
-    gtk_css_gadget_draw (button->indicator_gadget, cr);
-
-  child = gtk_bin_get_child (GTK_BIN (widget));
-  if (child)
-    gtk_container_propagate_draw (GTK_CONTAINER (widget), child, cr);
-
-  return gtk_widget_has_visible_focus (widget);
-}
-
 static void
 gtk_model_button_destroy (GtkWidget *widget)
 {
@@ -985,6 +943,38 @@ gtk_model_button_finalize (GObject *object)
   G_OBJECT_CLASS (gtk_model_button_parent_class)->finalize (object);
 }
 
+static GskRenderNode *
+gtk_model_button_get_render_node (GtkWidget *widget, GskRenderer *renderer)
+{
+  GtkCssGadget  *button_gadget;
+  GskRenderNode *button_node;
+  GskRenderNode *indicator_node;
+
+  if (GTK_MODEL_BUTTON (widget)->iconic)
+    button_gadget = GTK_BUTTON (widget)->priv->gadget;
+  else
+    button_gadget = GTK_MODEL_BUTTON (widget)->gadget;
+
+  button_node = gtk_css_gadget_get_render_node (button_gadget, renderer,
+                                                gtk_widget_has_visible_focus (widget));
+
+  if (button_node == NULL)
+    return NULL;
+
+  indicator_node = gtk_css_gadget_get_render_node (GTK_MODEL_BUTTON (widget)->indicator_gadget,
+                                                   renderer, FALSE);
+
+  if (indicator_node != NULL)
+    {
+      gsk_render_node_append_child (button_node, indicator_node);
+      gsk_render_node_unref (indicator_node);
+    }
+
+  gtk_container_propagate_render_node (GTK_CONTAINER (widget), renderer, button_node);
+
+  return button_node;
+}
+
 static void
 gtk_model_button_class_init (GtkModelButtonClass *class)
 {
@@ -998,10 +988,10 @@ gtk_model_button_class_init (GtkModelButtonClass *class)
 
   widget_class->measure = gtk_model_button_measure_;
   widget_class->size_allocate = gtk_model_button_size_allocate;
-  widget_class->draw = gtk_model_button_draw;
   widget_class->destroy = gtk_model_button_destroy;
   widget_class->state_flags_changed = gtk_model_button_state_flags_changed;
   widget_class->direction_changed = gtk_model_button_direction_changed;
+  widget_class->get_render_node = gtk_model_button_get_render_node;
 
   button_class->clicked = gtk_model_button_clicked;
 
@@ -1156,7 +1146,7 @@ gtk_model_button_init (GtkModelButton *button)
                                                        GTK_WIDGET (button),
                                                        gtk_model_button_measure,
                                                        gtk_model_button_allocate,
-                                                       gtk_model_button_render,
+                                                       NULL,
                                                        NULL,
                                                        NULL);
   button->indicator_gadget = gtk_builtin_icon_new ("check",