[gtk+/wip/baedert/progressbar: 18/18] box: Compute clips directly

[Timm Bäder <baedert src gnome org>]

commit bff4e0324f8d542ae40e202fbcc7d22728690e95
Author: Timm Bäder <mail baedert org>
Date:   Sun Apr 23 16:32:28 2017 +0200

    box: Compute clips directly
    
    Instead of using _gtk_widget_set_simple_clip *and*
    gtk_container_get_children_clip

 gtk/gtkbox.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index 16bb87d..3204907 100644
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -406,7 +406,8 @@ get_spacing (GtkBox *box)
 
 static void
 gtk_box_size_allocate_no_center (GtkWidget           *widget,
-                                 const GtkAllocation *allocation)
+                                 const GtkAllocation *allocation,
+                                 GdkRectangle        *out_clip)
 {
   GtkBox *box = GTK_BOX (widget);
   GtkBoxPrivate *private = box->priv;
@@ -433,6 +434,7 @@ gtk_box_size_allocate_no_center (GtkWidget           *widget,
   gint x = 0, y = 0, i;
   gint child_size;
   gint spacing;
+  GdkRectangle clip;
 
 
   count_expand_children (box, &nvis_children, &nexpand_children);
@@ -707,6 +709,8 @@ gtk_box_size_allocate_no_center (GtkWidget           *widget,
                }
            }
          gtk_widget_size_allocate_with_baseline (child->widget, &child_allocation, baseline);
+          gtk_widget_get_clip (child->widget, &clip);
+          gdk_rectangle_union (out_clip, out_clip, &clip);
 
          i++;
        }
@@ -723,11 +727,9 @@ gtk_box_allocate_contents (GtkCssGadget        *gadget,
                            gpointer             unused)
 {
   GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
-  GtkBox *box = GTK_BOX (widget);
-
-  gtk_box_size_allocate_no_center (widget, allocation);
 
-  gtk_container_get_children_clip (GTK_CONTAINER (box), out_clip);
+  *out_clip = *allocation;
+  gtk_box_size_allocate_no_center (widget, allocation, out_clip);
 }
 
 static void