widget: Move compuatation of what changed further up

This way, we can compare with literally the previous allocation and the
size will not be influenced by an adjusted allocation.

But more importantly, we can now use the transform/width/height values
for other stuff.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 39f50c3241942a02ade33da30404f5d2081abf6b..98505bbb5943573d9d584f57d25b8d28ac3dfc7d 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -4141,6 +4141,12 @@ gtk_widget_size_allocate (GtkWidget           *widget,
 
   real_allocation = *allocation;
 
+  baseline_changed = priv->allocated_size_baseline != baseline;
+  size_changed = (priv->allocated_size.width != real_allocation.width ||
+                  priv->allocated_size.height != real_allocation.height);
+  position_changed = (priv->allocated_size.x != real_allocation.x ||
+                      priv->allocated_size.y != real_allocation.y);
+
   priv->allocated_size = *allocation;
   priv->allocated_size_baseline = baseline;
 
@@ -4229,12 +4235,6 @@ gtk_widget_size_allocate (GtkWidget           *widget,
       real_allocation.height = MAX (1, real_allocation.height);
     }
 
-  baseline_changed = priv->baseline != baseline;
-  size_changed = (priv->width != real_allocation.width ||
-                  priv->height != real_allocation.height);
-  position_changed = (priv->transform.x != real_allocation.x ||
-                      priv->transform.y != real_allocation.y);
-
   /* Set the widget allocation to real_allocation now, pass the smaller allocation to the vfunc */
   priv->transform.x = real_allocation.x;
   priv->transform.y = real_allocation.y;