minor fix on CMakeLists for checking MSVC_VERSION

[freeglut] / src / fg_callbacks.c

diff --git a/src/fg_callbacks.c b/src/fg_callbacks.c
index 1d89505..11924b3 100644 (file)
--- a/src/fg_callbacks.c
+++ b/src/fg_callbacks.c
@@ -1,5 +1,5 @@
 /*
- * freeglut_callbacks.c
+ * fg_callbacks.c
  *
  * The callbacks setting methods.
  *
@@ -63,6 +63,7 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, FGCBTimer callback, int tim
     timer->ID        = timerID;
     timer->TriggerTime = fgElapsedTime() + timeOut;
 
+    /* Insert such that timers are sorted by end-time */
     for( node = fgState.Timers.First; node; node = node->Node.Next )
     {
         if( node->TriggerTime > timer->TriggerTime )
@@ -121,33 +122,31 @@ void FGAPIENTRY glut##a##Func( FGCB##b callback )               \
 #define IMPLEMENT_CALLBACK_FUNC(a) IMPLEMENT_CALLBACK_FUNC_2NAME(a,a)
 
 /* Implement all these callback setter functions... */
-IMPLEMENT_CALLBACK_FUNC(Reshape);
-IMPLEMENT_CALLBACK_FUNC(Position);
-IMPLEMENT_CALLBACK_FUNC(Keyboard);
-IMPLEMENT_CALLBACK_FUNC(KeyboardUp);
-IMPLEMENT_CALLBACK_FUNC(Special);
-IMPLEMENT_CALLBACK_FUNC(SpecialUp);
-IMPLEMENT_CALLBACK_FUNC(Mouse);
-IMPLEMENT_CALLBACK_FUNC(MouseWheel);
-IMPLEMENT_CALLBACK_FUNC(Motion);
-IMPLEMENT_CALLBACK_FUNC_2NAME(PassiveMotion,Passive);
-IMPLEMENT_CALLBACK_FUNC(Entry);
+IMPLEMENT_CALLBACK_FUNC(Position)
+IMPLEMENT_CALLBACK_FUNC(Keyboard)
+IMPLEMENT_CALLBACK_FUNC(KeyboardUp)
+IMPLEMENT_CALLBACK_FUNC(Special)
+IMPLEMENT_CALLBACK_FUNC(SpecialUp)
+IMPLEMENT_CALLBACK_FUNC(Mouse)
+IMPLEMENT_CALLBACK_FUNC(MouseWheel)
+IMPLEMENT_CALLBACK_FUNC(Motion)
+IMPLEMENT_CALLBACK_FUNC_2NAME(PassiveMotion,Passive)
+IMPLEMENT_CALLBACK_FUNC(Entry)
 /* glutWMCloseFunc is an alias for glutCloseFunc; both set the window's Destroy callback */
-IMPLEMENT_CALLBACK_FUNC_2NAME(Close,Destroy);
-IMPLEMENT_CALLBACK_FUNC_2NAME(WMClose,Destroy);
-IMPLEMENT_CALLBACK_FUNC(OverlayDisplay);
-IMPLEMENT_CALLBACK_FUNC(WindowStatus);
-IMPLEMENT_CALLBACK_FUNC(ButtonBox);
-IMPLEMENT_CALLBACK_FUNC(Dials);
-IMPLEMENT_CALLBACK_FUNC(TabletMotion);
-IMPLEMENT_CALLBACK_FUNC(TabletButton);
-IMPLEMENT_CALLBACK_FUNC(MultiEntry);
-IMPLEMENT_CALLBACK_FUNC(MultiButton);
-IMPLEMENT_CALLBACK_FUNC(MultiMotion);
-IMPLEMENT_CALLBACK_FUNC(MultiPassive);
-IMPLEMENT_CALLBACK_FUNC(InitContext);
-IMPLEMENT_CALLBACK_FUNC(Pause);
-IMPLEMENT_CALLBACK_FUNC(Resume);
+IMPLEMENT_CALLBACK_FUNC_2NAME(Close,Destroy)
+IMPLEMENT_CALLBACK_FUNC_2NAME(WMClose,Destroy)
+IMPLEMENT_CALLBACK_FUNC(OverlayDisplay)
+IMPLEMENT_CALLBACK_FUNC(WindowStatus)
+IMPLEMENT_CALLBACK_FUNC(ButtonBox)
+IMPLEMENT_CALLBACK_FUNC(Dials)
+IMPLEMENT_CALLBACK_FUNC(TabletMotion)
+IMPLEMENT_CALLBACK_FUNC(TabletButton)
+IMPLEMENT_CALLBACK_FUNC(MultiEntry)
+IMPLEMENT_CALLBACK_FUNC(MultiButton)
+IMPLEMENT_CALLBACK_FUNC(MultiMotion)
+IMPLEMENT_CALLBACK_FUNC(MultiPassive)
+IMPLEMENT_CALLBACK_FUNC(InitContext)
+IMPLEMENT_CALLBACK_FUNC(AppStatus)
 
 
 
@@ -163,6 +162,21 @@ void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback )
     SET_CALLBACK( Display );
 }
 
+void fghDefaultReshape(int width, int height)
+{
+    glViewport( 0, 0, width, height );
+}
+
+void FGAPIENTRY glutReshapeFunc( FGCBReshape callback )
+{
+    FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
+    
+    if( !callback )
+        callback = fghDefaultReshape;
+
+    SET_CALLBACK( Reshape );
+}
+
 /*
  * Sets the Visibility callback for the current window.
  * NB: the Visibility func is deprecated in favor of the WindowStatus func,
@@ -213,23 +227,32 @@ void FGAPIENTRY glutJoystickFunc( FGCBJoystick callback, int pollInterval )
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
     fgInitialiseJoysticks ();
 
-    if ( ( ( fgStructure.CurrentWindow->State.JoystickPollRate < 0 ) ||
-           !FETCH_WCB(*fgStructure.CurrentWindow,Joystick) ) &&  /* Joystick callback was disabled */
-         ( callback && ( pollInterval >= 0 ) ) )               /* but is now enabled */
+    if ( (
+           fgStructure.CurrentWindow->State.JoystickPollRate <= 0 ||        /* Joystick callback was disabled */
+           !FETCH_WCB(*fgStructure.CurrentWindow,Joystick)
+         ) &&
+         ( 
+           callback && ( pollInterval > 0 )                                 /* but is now enabled */
+         ) )
         ++fgState.NumActiveJoysticks;
-    else if ( ( ( fgStructure.CurrentWindow->State.JoystickPollRate >= 0 ) &&
-                FETCH_WCB(*fgStructure.CurrentWindow,Joystick) ) &&  /* Joystick callback was enabled */
-              ( !callback || ( pollInterval < 0 ) ) )              /* but is now disabled */
+    else if ( ( 
+                fgStructure.CurrentWindow->State.JoystickPollRate > 0 &&    /* Joystick callback was enabled */
+                FETCH_WCB(*fgStructure.CurrentWindow,Joystick)
+              ) &&  
+              ( 
+                !callback || ( pollInterval <= 0 )                          /* but is now disabled */
+              ) )
         --fgState.NumActiveJoysticks;
 
     SET_CALLBACK( Joystick );
     fgStructure.CurrentWindow->State.JoystickPollRate = pollInterval;
 
-    fgStructure.CurrentWindow->State.JoystickLastPoll =
-        fgElapsedTime() - fgStructure.CurrentWindow->State.JoystickPollRate;
-
-    if( fgStructure.CurrentWindow->State.JoystickLastPoll < 0 )
+    /* set last poll time such that joystick will be polled asap */
+    fgStructure.CurrentWindow->State.JoystickLastPoll = fgElapsedTime();
+    if (fgStructure.CurrentWindow->State.JoystickLastPoll < pollInterval)
         fgStructure.CurrentWindow->State.JoystickLastPoll = 0;
+    else
+        fgStructure.CurrentWindow->State.JoystickLastPoll -= pollInterval;
 }