define glut active command in case it's not already

Former-commit-id: 14edfeda6ecd5a35df0e93d2fed6ccf2db9f90c6

examples/camera/example.cpp

@@ -26,6 +26,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <vector>
 #include <stack>
 #include <iostream>

examples/flare-eyes/example.cpp

@@ -35,6 +35,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <iomanip>

examples/patches/example.cpp

@@ -43,10 +43,18 @@
 
 #ifndef GLUT_WHEEL_UP
 #define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
 #define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
 #define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
 #define GLUT_WHEEL_LEFT  6
-#define GLUT_ACTIVE_COMMAND 1
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
 #endif
 
 #include <ctime>

examples/randomly-sample-mesh/example.cpp

@@ -32,6 +32,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>

examples/rotate-widget/example.cpp

@@ -33,6 +33,22 @@
 # include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <list>

examples/scene-rotation/example.cpp

@@ -36,6 +36,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>

examples/shadow-mapping/example.cpp

@@ -43,10 +43,18 @@
 
 #ifndef GLUT_WHEEL_UP
 #define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
 #define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
 #define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
 #define GLUT_WHEEL_LEFT  6
-#define GLUT_ACTIVE_COMMAND 1
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
 #endif
 
 #include <ctime>

examples/skeleton-builder/example.cpp

@@ -51,6 +51,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <queue>

examples/skeleton-poser/example.cpp

@@ -49,13 +49,26 @@
 
 #ifdef __APPLE__
 #include <GLUT/glut.h>
-#ifndef GLUT_ACTIVE_COMMAND
-#  define GLUT_ACTIVE_COMMAND 9
-#endif
 #else
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <queue>

examples/skeleton/example.cpp

@@ -40,6 +40,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>

examples/upright/example.cpp

@@ -34,6 +34,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>