X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_callbacks.c;h=f395716b64c353972df3450cad7e37dec3a6c7ef;hb=dceb9a06b643633134bd70ed7b7c281250f9cb3f;hp=1cfecc513af01d9a3496fd36589f27b71b5b6655;hpb=3cfbcf91639c23ef9be707f4942af3c8cbf15500;p=freeglut

diff --git a/src/freeglut_callbacks.c b/src/freeglut_callbacks.c
index 1cfecc5..f395716 100644
--- a/src/freeglut_callbacks.c
+++ b/src/freeglut_callbacks.c
@@ -49,15 +49,10 @@
 void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
 {
     if( !callback )
-	fgError ("Fatal error in program.  NULL display callback not "
-	    "permitted in GLUT 3.0+ or freeglut 2.0.1+\n");
+      fgError ("Fatal error in program.  NULL display callback not "
+          "permitted in GLUT 3.0+ or freeglut 2.0.1+\n");
     SET_CALLBACK( Display );
-
-    /*
-     * Force a redisplay with the new callback
-     */
     fgStructure.Window->State.Redisplay = TRUE;
-
 }
 
 /*
@@ -90,10 +85,6 @@ void FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) )
 void FGAPIENTRY glutIdleFunc( void (* callback)( void ) )
 {
     freeglut_assert_ready;
-
-    /*
-     * The global idle callback pointer is stored in fgState structure
-     */
     fgState.IdleCallback = callback;
 }
 
@@ -106,28 +97,14 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ), i
 
     freeglut_assert_ready;
 
-    /*
-     * Create a new freeglut timer hook structure
-     */
     timer = (SFG_Timer *)calloc( sizeof(SFG_Timer), 1 );
     if (!timer)
-	fgError ("Fatal error: "
-	    "Memory allocation failure in glutTimerFunc()\n");
+      fgError ("Fatal error: "
+          "Memory allocation failure in glutTimerFunc()\n");
 
-    /*
-     * Remember the callback address and timer hook's ID
-     */
     timer->Callback  = callback;
     timer->ID        = timerID;
-
-    /*
-     * When will the time out happen (in terms of window's timer)
-     */
     timer->TriggerTime = fgElapsedTime() + timeOut;
-
-    /*
-     * Have the new hook attached to the current window
-     */
     fgListAppend( &fgState.Timers, &timer->Node );
 }
 
@@ -178,14 +155,8 @@ void FGAPIENTRY glutSpecialUpFunc( void (* callback)( int, int, int ) )
 void FGAPIENTRY glutJoystickFunc( void (* callback)( unsigned int, int, int, int ), int pollInterval )
 {
     SET_CALLBACK( Joystick );
-    /*
-     * Do not forget setting the joystick poll rate
-     */
     fgStructure.Window->State.JoystickPollRate = pollInterval;
 
-    /*
-     * Make sure the joystick polling routine gets called as early as possible:
-     */
     fgStructure.Window->State.JoystickLastPoll =
         fgElapsedTime() - fgStructure.Window->State.JoystickPollRate;
 
@@ -202,7 +173,16 @@ void FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) )
 }
 
 /*
- * Sets the mouse motion callback for the current window (one or more buttons are pressed)
+ * Sets the mouse wheel callback for the current window
+ */
+void FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) )
+{
+    SET_CALLBACK( MouseWheel );
+}
+
+/*
+ * Sets the mouse motion callback for the current window (one or more buttons
+ * are pressed)
  */
 void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
 {
@@ -210,7 +190,8 @@ void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
 }
 
 /*
- * Sets the passive mouse motion callback for the current window (no mouse buttons are pressed)
+ * Sets the passive mouse motion callback for the current window (no mouse
+ * buttons are pressed)
  */
 void FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) )
 {
@@ -242,7 +223,7 @@ void FGAPIENTRY glutWMCloseFunc( void (* callback)( void ) )
 void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
 {
    if( fgStructure.Menu == NULL )
-       return;
+     return;
    fgStructure.Menu->Destroy = callback;
 }
 
@@ -252,7 +233,6 @@ void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
 void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
 {
     freeglut_assert_ready;
-
     fgState.MenuStateCallback = callback;
 }
 
@@ -262,7 +242,6 @@ void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
 void FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) )
 {
     freeglut_assert_ready;
-
     fgState.MenuStatusCallback = callback;
 }