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gtkstylecontext: Add an optional warning when misusing GtkStyleContext

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This allows someone to quickly debug more performance issues with
G_DEBUG=fatal-warnings.
This commit is contained in:
Jasper St. Pierre 2014-11-25 11:07:31 -08:00
parent d21dc0d91c
commit eba317228f
1 changed files with 3 additions and 0 deletions
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3
gtk/gtkstylecontext.c
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@ -745,6 +745,9 @@ style_values_lookup_for_state (GtkStyleContext *context,
if (gtk_css_node_declaration_get_state (context->priv->info->decl) == state)
return g_object_ref (style_values_lookup (context));
if (g_getenv ("GTK_STYLE_CONTEXT_WARNING"))
g_warning ("State does not match current state");
decl = gtk_css_node_declaration_ref (context->priv->info->decl);
gtk_css_node_declaration_set_state (&decl, state);
values = _gtk_css_computed_values_new ();