fixed for Mac in examples

examples/OpenGLWindow/MacOpenGLWindow.h

@@ -1,7 +1,7 @@
 #ifndef MAC_OPENGL_WINDOW_H
 #define MAC_OPENGL_WINDOW_H
 
-#include "b3gWindowInterface.h"
+#include "../CommonInterfaces/CommonWindowInterface.h"
 
 #define b3gDefaultOpenGLWindow MacOpenGLWindow
 
@@ -39,6 +39,8 @@ public:
     void getMouseCoordinates(int& x, int& y);
     
     void runMainLoop();
+
+     virtual bool    isModifiedKeyPressed(int key);
     
     void setMouseButtonCallback(b3MouseButtonCallback	mouseCallback)
     {
@@ -51,7 +53,8 @@ public:
     }
     
     void setResizeCallback(b3ResizeCallback resizeCallback);
-    
+   
+ 
 	void setKeyboardCallback( b3KeyboardCallback	keyboardCallback)
     {
         m_keyboardCallback = keyboardCallback;

examples/OpenGLWindow/MacOpenGLWindow.mm

@@ -222,6 +222,35 @@ MacOpenGLWindow::~MacOpenGLWindow()
 }
 
 
+bool    MacOpenGLWindow::isModifiedKeyPressed(int key)
+{
+        bool isPressed = false;
+
+        switch (key)
+        {
+                case B3G_ALT:
+                {
+                        isPressed = ((m_modifierFlags && NSAlternateKeyMask)!=0);
+                        break;
+                };
+                case B3G_SHIFT:
+                {
+                        isPressed = ((m_modifierFlags && NSShiftKeyMask)!=0);
+                        break;
+                };
+                case B3G_CONTROL:
+                {
+                        isPressed = ((m_modifierFlags && NSControlKeyMask )!=0);
+                        break;
+                };
+
+                default:
+                {
+                }
+        };
+        return isPressed;
+}
+
 float	MacOpenGLWindow::getTimeInSeconds()
 {
 	return 0.f;

examples/OpenGLWindow/Win32Window.cpp

@@ -795,4 +795,4 @@ b3WheelCallback Win32Window::getWheelCallback()
 	return m_data->m_wheelCallback;
 }
 
-	
+