[gtk+] builtinicon: Change the way size is handled

[Benjamin Otte <otte src gnome org>]

commit fab181fcfa782b19dcc96a1c7f5b47033b4c200b
Author: Benjamin Otte <otte redhat com>
Date:   Wed Dec 16 04:44:52 2015 +0100

    builtinicon: Change the way size is handled
    
    Make min-width/height have preference over the set default size. This
    allows shrinking the widget. The default size is only used if min-width
    is not set (or explicitly set to 0.

 gtk/gtkbuiltinicon.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkbuiltinicon.c b/gtk/gtkbuiltinicon.c
index c2e2c07..9c497c4 100644
--- a/gtk/gtkbuiltinicon.c
+++ b/gtk/gtkbuiltinicon.c
@@ -22,6 +22,7 @@
 #include "gtkbuiltiniconprivate.h"
 
 #include "gtkcssnodeprivate.h"
+#include "gtkcssnumbervalueprivate.h"
 #include "gtkrendericonprivate.h"
 
 typedef struct _GtkBuiltinIconPrivate GtkBuiltinIconPrivate;
@@ -43,6 +44,19 @@ gtk_builtin_icon_get_preferred_size (GtkCssGadget   *gadget,
                                      gint           *natural_baseline)
 {
   GtkBuiltinIconPrivate *priv = gtk_builtin_icon_get_instance_private (GTK_BUILTIN_ICON (gadget));
+  double min_size;
+  guint property;
+
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    property = GTK_CSS_PROPERTY_MIN_WIDTH;
+  else
+    property = GTK_CSS_PROPERTY_MIN_HEIGHT;
+  min_size = _gtk_css_number_value_get (gtk_css_style_get_value (gtk_css_gadget_get_style (gadget), 
property), 100);
+  if (min_size > 0.0)
+    {
+      *minimum = *natural = 0;
+      return;
+    }
 
   *minimum = priv->default_size;
   *natural = priv->default_size;