From b87e932b9ff2093ee9bc7351f9d36ba5ebbbc0f3 Mon Sep 17 00:00:00 2001
From: icewind <northicewind@gmail.com>
Date: Thu, 7 Jun 2012 13:20:30 +0400
Subject: [PATCH] Override setOpacity to affect a background sprites

Calling button->setOpacity was affecting only to label. Now opacity
value applies also to a background sprites
---
 .../CCControlExtension/CCControlButton.cpp    | 27 +++++++++++++++++++
 .../CCControlExtension/CCControlButton.h      |  5 ++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/cocos2dx/extensions/CCControlExtension/CCControlButton.cpp b/cocos2dx/extensions/CCControlExtension/CCControlButton.cpp
index 24c00f96ed..12f767f1a9 100644
--- a/cocos2dx/extensions/CCControlExtension/CCControlButton.cpp
+++ b/cocos2dx/extensions/CCControlExtension/CCControlButton.cpp
@@ -496,6 +496,33 @@ void CCControlButton::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent)
     }
 }
 
+void CCControlButton::setOpacity(GLubyte opacity)
+{
+    m_cOpacity = opacity;
+    
+    CCObject* child;
+    CCArray* children=getChildren();
+    CCARRAY_FOREACH(children, child)
+    {
+        CCRGBAProtocol* pNode = dynamic_cast<CCRGBAProtocol*>(child);        
+        if (pNode)
+        {
+            pNode->setOpacity(opacity);
+        }
+    }
+    CCDictElement * item = NULL;
+    CCDICT_FOREACH(m_backgroundSpriteDispatchTable, item)
+    {
+        CCScale9Sprite* sprite = (CCScale9Sprite*)item->getObject();
+        sprite->setOpacity(opacity);
+    }
+}
+
+GLubyte CCControlButton::getOpacity()
+{
+    return m_cOpacity;
+}
+
 void CCControlButton::ccTouchCancelled(CCTouch *pTouch, CCEvent *pEvent)
 {
     m_nState = CCControlStateNormal;
diff --git a/cocos2dx/extensions/CCControlExtension/CCControlButton.h b/cocos2dx/extensions/CCControlExtension/CCControlButton.h
index 75abd743d0..8f993d6fe6 100644
--- a/cocos2dx/extensions/CCControlExtension/CCControlButton.h
+++ b/cocos2dx/extensions/CCControlExtension/CCControlButton.h
@@ -70,6 +70,9 @@ protected:
     //CC_PROPERTY(CCScale9Sprite*, m_backgroundSprite, BackgroundSprite);
     CCScale9Sprite* m_backgroundSprite;
 
+    /* Override setter to affect a background sprite too */
+    CC_PROPERTY(GLubyte, m_cOpacity, Opacity);
+    
     /** Flag to know if the button is currently pushed.  */
     CC_SYNTHESIZE_READONLY(bool, pushed, IsPushed); 
     // <CCControlState, CCString*>
@@ -105,8 +108,6 @@ public:
     virtual void ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent);
     virtual void ccTouchCancelled(CCTouch *pTouch, CCEvent *pEvent);
 
-
-
     /**
     * Returns the title used for a state.
     *