[gtk+] GtkColorChooserWidget: deselect swatch before removing palettes

[Matthias Clasen <matthiasc src gnome org>]

commit 670e532a6ba528f3b1b9a359a05cec80da94ebd9
Author: Michael Hofmann <mh21 mh21 de>
Date:   Sun Feb 17 16:01:06 2013 +0100

    GtkColorChooserWidget: deselect swatch before removing palettes
    
    When adding custom palettes, set the current swatch to NULL if the
    palette it is on is going to be removed.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=693995

 gtk/gtkcolorchooserwidget.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorchooserwidget.c b/gtk/gtkcolorchooserwidget.c
index be954a2..8e6cf2c 100644
--- a/gtk/gtkcolorchooserwidget.c
+++ b/gtk/gtkcolorchooserwidget.c
@@ -296,6 +296,10 @@ remove_palette (GtkColorChooserWidget *cc)
   GList *children, *l;
   GtkWidget *widget;
 
+  if (cc->priv->current != NULL &&
+      gtk_widget_get_parent (GTK_WIDGET (cc->priv->current)) != cc->priv->custom)
+    cc->priv->current = NULL;
+
   children = gtk_container_get_children (GTK_CONTAINER (cc->priv->palette));
   for (l = children; l; l = l->next)
     {