From b6c4f2b9afac13ec056ba72543f69f9843500039 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 18 Jun 2013 13:46:44 +0300
Subject: improve widgetgroup.

---
 src/gui/widgets/widgetgroup.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/gui/widgets/widgetgroup.cpp')

diff --git a/src/gui/widgets/widgetgroup.cpp b/src/gui/widgets/widgetgroup.cpp
index cea1b70e1..b3f204120 100644
--- a/src/gui/widgets/widgetgroup.cpp
+++ b/src/gui/widgets/widgetgroup.cpp
@@ -37,12 +37,12 @@ WidgetGroup::WidgetGroup(const Widget2 *const widget,
     addWidgetListener(this);
 }
 
-void WidgetGroup::addButton(std::string tag)
+void WidgetGroup::addButton(const std::string &tag)
 {
     addButton(tag, tag);
 }
 
-void WidgetGroup::addButton(std::string text, std::string tag)
+void WidgetGroup::addButton(const std::string &text, const std::string &tag)
 {
     if (text.empty() || tag.empty())
         return;
-- 
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