1 files changed, 5 insertions, 0 deletions

diff --git a/linden/indra/llui/llbutton.cpp b/linden/indra/llui/llbutton.cpp
index 1a6c705..702e34e 100644
--- a/linden/indra/llui/llbutton.cpp
+++ b/linden/indra/llui/llbutton.cpp
@@ -840,6 +840,11 @@ void LLButton::setColor(const LLColor4& color)
         setImageColor(color);
 }
 
+void LLButton::setAlpha(F32 alpha)
+{
+        mImageColor.setAlpha(alpha);
+        mDisabledImageColor.setAlpha(alpha * 0.5f);
+}
 
 void LLButton::setImageDisabled(LLPointer<LLUIImage> image)
 {