Same as original

Revision:
11:204bc17f59cc
Parent:
9:0573d8a9bbcd
Child:
13:af578b53ff0e
--- a/button_group.cpp	Thu Dec 31 08:32:05 2015 +0000
+++ b/button_group.cpp	Wed Feb 17 06:27:45 2016 +0000
@@ -1,7 +1,7 @@
 //-----------------------------------------------------------
 //  Button group class
 //
-//  2015/12/23, Copyright (c) 2015 MIKAMI, Naoki
+//  2016/02/17, Copyright (c) 2016 MIKAMI, Naoki
 //-----------------------------------------------------------
 
 #include "button_group.hpp"
@@ -38,10 +38,34 @@
         delete[] *buttons_;   
     }
 
+    // Redraw button with original color
+    bool ButtonGroup::Redraw(int num, uint32_t textColor)
+    {
+        if (!Range(num)) return false;
+        buttons_[num]->Redraw(textColor);
+        return true;
+    }
+
+    // Erase button with selected color
+    bool ButtonGroup::Erase(int num, uint32_t color)
+    {
+        if (!Range(num)) return false;
+        buttons_[num]->Draw(color, color);
+        return true;
+    }
+
+    // Check touch detected for specified button
+    bool ButtonGroup::Touched(int num)
+    {
+        if (!Range(num)) return false;
+        return buttons_[num]->Touched();
+    }
+
     // Check touch detected for specified button and redraw
     bool ButtonGroup::Touched(int num, uint32_t color,
                               uint32_t textColor)
     {
+        if (!Range(num)) return false;
         if (buttons_[num]->Touched(color, textColor))
         {
             for (int n=0; n<numberOfButtons_; n++)
@@ -79,4 +103,13 @@
         else
             return false;
     }
+    
+    // Check range of argument
+    bool ButtonGroup::Range(int n)
+    {
+        if ( (n >= 0) && (n < numberOfButtons_) )
+            return true;
+        else
+            return false;
+    }
 }