oops, debug code that shouldn't have been committed got in there...

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1494 7f0cb862-5218-0410-a997-914c9d46530a

freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c

@@ -1,41 +1,637 @@
+/* CallbackMaker.c */
+/*
+ * Program to invoke all the callbacks that "freeglut" supports
+ */
+
+
 #include <GL/freeglut.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
 
 static int sequence_number = 0 ;
 
-static void Display(void)
+int windows[2] = {0};
+
+/* define status vars showing whether given callback has been called for given window */
+#define CALLBACK_CALLED_VAR(name)                     int name##_called[2]   = {0};
+#define CALLBACK_0V(name)                             int name##_seq[2]      = {-1}; CALLBACK_CALLED_VAR(name); 
+#define CALLBACK_1V(name,field)                       int name##_##field[2]  = {-1}; CALLBACK_0V(name);
+#define CALLBACK_2V(name,field1,field2)               int name##_##field2[2] = {-1}; CALLBACK_1V(name,field1);
+#define CALLBACK_3V(name,field1,field2,field3)        int name##_##field3[2] = {-1}; CALLBACK_2V(name,field1,field2);
+#define CALLBACK_4V(name,field1,field2,field3,field4) int name##_##field4[2] = {-1}; CALLBACK_3V(name,field1,field2,field3);
+CALLBACK_2V(reshape,width,height);
+CALLBACK_2V(position,top,left);
+CALLBACK_3V(key,key,x,y);
+CALLBACK_3V(keyup,key,x,y);
+CALLBACK_3V(special,key,x,y);
+CALLBACK_3V(specialup,key,x,y);
+CALLBACK_1V(visibility,vis);
+CALLBACK_4V(joystick,a,b,c,d);
+CALLBACK_4V(mouse,button,updown,x,y);
+CALLBACK_4V(mousewheel,number,direction,x,y);
+CALLBACK_2V(motion,x,y);
+CALLBACK_2V(passivemotion,x,y);
+CALLBACK_0V(entry);
+CALLBACK_0V(close);
+/* menudestroy is registered on each menu, not a window */
+int menudestroy_called = 0 ;
+/* menustatus and menustate are global callbacks, set for all menus at the same time */
+int menustatus_called = 0;
+int menustate_called = 0;
+
+#define STRING_LENGTH   10
+
+static void
+bitmapPrintf (const char *fmt, ...)
+{
+    static char buf[256];
+    va_list args;
+
+    va_start(args, fmt);
+#if defined(WIN32) && !defined(__CYGWIN__)
+    (void) _vsnprintf (buf, sizeof(buf), fmt, args);
+#else
+    (void) vsnprintf (buf, sizeof(buf), fmt, args);
+#endif
+    va_end(args);
+    glutBitmapString ( GLUT_BITMAP_HELVETICA_12, (unsigned char*)buf ) ;
+}
+
+static int
+getWindowAndIdx(int *winIdx)
 {
     int window = glutGetWindow();
+
+    if (winIdx)
+        (*winIdx) = window==windows[0]?0:1;
+
+    return window;
+}
+
+static void 
+Display(void)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  glClear ( GL_COLOR_BUFFER_BIT );
+
+  glDisable ( GL_DEPTH_TEST );
+  glMatrixMode ( GL_PROJECTION );
+  glPushMatrix();
+  glLoadIdentity();
+  glOrtho(0, glutGet ( GLUT_WINDOW_WIDTH ), 
+          0, glutGet ( GLUT_WINDOW_HEIGHT ), -1, 1 );
+  glMatrixMode ( GL_MODELVIEW );
+  glPushMatrix ();
+  glLoadIdentity ();
+  glColor3ub ( 0, 0, 0 );
+  glRasterPos2i ( 10, glutGet ( GLUT_WINDOW_HEIGHT ) - 20 );	/* 10pt margin above 10pt letters */
+
+  if ( reshape_called[winIdx] )
+  {
+    bitmapPrintf ( "Reshape %d:  %d %d\n", reshape_seq[winIdx], reshape_width[winIdx], reshape_height[winIdx] );
+  }
+
+  if ( position_called[winIdx] )
+  {
+    bitmapPrintf ( "Position %d:  %d %d\n", position_seq[winIdx], position_left[winIdx], position_top[winIdx] );
+  }
+
+  if ( key_called[winIdx] )
+  {
+    bitmapPrintf ( "Key %d:  %d(%c) %d %d\n", key_seq[winIdx], key_key[winIdx], key_key[winIdx], key_x[winIdx], key_y[winIdx] );
+  }
+
+  if ( special_called[winIdx] )
+  {
+    bitmapPrintf ( "Special %d:  %d(%c) %d %d\n", special_seq[winIdx], special_key[winIdx], special_key[winIdx], special_x[winIdx], special_y[winIdx] );
+  }
+
+  if ( visibility_called[winIdx] )
+  {
+    bitmapPrintf ( "Visibility %d:  %d\n", visibility_seq[winIdx], visibility_vis[winIdx] );
+  }
+
+  if ( keyup_called[winIdx] )
+  {
+    bitmapPrintf ( "Key Up %d:  %d(%c) %d %d\n", keyup_seq[winIdx], keyup_key[winIdx], keyup_key[winIdx], keyup_x[winIdx], keyup_y[winIdx] );
+  }
+
+  if ( specialup_called[winIdx] )
+  {
+    bitmapPrintf ( "Special Up %d:  %d(%c) %d %d\n", specialup_seq[winIdx], specialup_key[winIdx], specialup_key[winIdx], specialup_x[winIdx], specialup_y[winIdx] );
+  }
+
+  if ( joystick_called[winIdx] )
+  {
+    bitmapPrintf ( "Joystick %d:  %d %d %d %d\n", joystick_seq[winIdx], joystick_a[winIdx], joystick_b[winIdx], joystick_c[winIdx], joystick_d[winIdx] );
+  }
+
+  if ( mouse_called[winIdx] )
+  {
+    bitmapPrintf ( "Mouse %d:  %d %d %d %d\n", mouse_seq[winIdx], mouse_button[winIdx], mouse_updown[winIdx], mouse_x[winIdx], mouse_y[winIdx] );
+  }
+
+  if ( mousewheel_called[winIdx] )
+  {
+    bitmapPrintf ( "Mouse Wheel %d:  %d %d %d %d\n", mousewheel_seq[winIdx], mousewheel_number[winIdx], mousewheel_direction[winIdx], mousewheel_x[winIdx], mousewheel_y[winIdx] );
+  }
+
+  if ( motion_called[winIdx] )
+  {
+    bitmapPrintf ( "Motion %d:  %d %d\n", motion_seq[winIdx], motion_x[winIdx], motion_y[winIdx] );
+  }
+
+  if ( passivemotion_called[winIdx] )
+  {
+    bitmapPrintf ( "Passive Motion %d:  %d %d\n", passivemotion_seq[winIdx], passivemotion_x[winIdx], passivemotion_y[winIdx] );
+  }
+
+  glMatrixMode ( GL_PROJECTION );
+  glPopMatrix ();
+  glMatrixMode ( GL_MODELVIEW );
+  glPopMatrix ();
+  glEnable ( GL_DEPTH_TEST );
+
   printf ( "%6d Window %d Display Callback\n",
             ++sequence_number, window ) ;
-    glClear ( GL_COLOR_BUFFER_BIT );
   glutSwapBuffers();
 }
-static void Entry(int state)
+
+static void
+Warning(const char *fmt, va_list ap)
 {
-    int window=glutGetWindow () ;
+    printf("%6d Warning callback:\n");
+
+    /* print warning message */
+    vprintf(fmt, ap);
+}
+
+static void
+Error(const char *fmt, va_list ap)
+{
+    char dummy_string[STRING_LENGTH];
+    printf("%6d Error callback:\n");
+
+    /* print warning message */
+    vprintf(fmt, ap);
+
+    /* terminate program, after pause for input so user can see */
+    printf ( "Please enter something to exit: " );
+    fgets ( dummy_string, STRING_LENGTH, stdin );
+
+    /* Call exit directly as freeglut is messed
+     * up internally when an error is called. 
+     */
+    exit(1);
+}
+
+static void 
+Reshape(int width, int height)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Reshape Callback:  %d %d\n",
+            ++sequence_number, window, width, height ) ;
+  reshape_called[winIdx] = 1 ;
+  reshape_width[winIdx] = width ;
+  reshape_height[winIdx] = height ;
+  reshape_seq[winIdx] = sequence_number ;
+  glViewport(0,0,width,height);
+  glutPostRedisplay () ;
+}
+
+static void 
+Position(int left, int top)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Position Callback:  %d %d\n",
+            ++sequence_number, window, left, top ) ;
+  position_called[winIdx] = 1 ;
+  position_left[winIdx] = left ;
+  position_top[winIdx] = top ;
+  position_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Key(unsigned char key, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Keyboard Callback:  %d %d %d\n",
+            ++sequence_number, window, key, x, y ) ;
+  key_called[winIdx] = 1 ;
+  key_key[winIdx] = key ;
+  key_x[winIdx] = x ;
+  key_y[winIdx] = y ;
+  key_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Special(int key, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Special Key Callback:  %d %d %d\n",
+            ++sequence_number, window, key, x, y ) ;
+  special_called[winIdx] = 1 ;
+  special_key[winIdx] = key ;
+  special_x[winIdx] = x ;
+  special_y[winIdx] = y ;
+  special_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Visibility(int vis)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Visibility Callback:  %d\n",
+            ++sequence_number, window, vis ) ;
+  visibility_called[winIdx] = 1 ;
+  visibility_vis[winIdx] = vis ;
+  visibility_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+KeyUp(unsigned char key, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Key Release Callback:  %d %d %d\n",
+            ++sequence_number, window, key, x, y ) ;
+  keyup_called[winIdx] = 1 ;
+  keyup_key[winIdx] = key ;
+  keyup_x[winIdx] = x ;
+  keyup_y[winIdx] = y ;
+  keyup_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+SpecialUp(int key, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Special Key Release Callback:  %d %d %d\n",
+            ++sequence_number, window, key, x, y ) ;
+  specialup_called[winIdx] = 1 ;
+  specialup_key[winIdx] = key ;
+  specialup_x[winIdx] = x ;
+  specialup_y[winIdx] = y ;
+  specialup_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Joystick( unsigned int a, int b, int c, int d)  /* Need meaningful names */
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Joystick Callback:  %d %d %d %d\n",
+            ++sequence_number, window, a, b, c, d ) ;
+  joystick_called[winIdx] = 1 ;
+  joystick_a[winIdx] = a ;
+  joystick_b[winIdx] = b ;
+  joystick_c[winIdx] = c ;
+  joystick_d[winIdx] = d ;
+  joystick_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Mouse(int button, int updown, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Mouse Click Callback:  %d %d %d %d\n",
+            ++sequence_number, window, button, updown, x, y ) ;
+  mouse_called[winIdx] = 1 ;
+  mouse_button[winIdx] = button ;
+  mouse_updown[winIdx] = updown ;
+  mouse_x[winIdx] = x ;
+  mouse_y[winIdx] = y ;
+  mouse_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+MouseWheel(int wheel_number, int direction, int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Mouse Wheel Callback:  %d %d %d %d\n",
+            ++sequence_number, window, wheel_number, direction, x, y ) ;
+  mousewheel_called[winIdx] = 1 ;
+  mousewheel_number[winIdx] = wheel_number ;
+  mousewheel_direction[winIdx] = direction ;
+  mousewheel_x[winIdx] = x ;
+  mousewheel_y[winIdx] = y ;
+  mousewheel_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Motion(int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Mouse Motion Callback:  %d %d\n",
+            ++sequence_number, window, x, y ) ;
+  motion_called[winIdx] = 1 ;
+  motion_x[winIdx] = x ;
+  motion_y[winIdx] = y ;
+  motion_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+PassiveMotion(int x, int y)
+{
+  int winIdx;
+  int window = getWindowAndIdx(&winIdx);
+  printf ( "%6d Window %d Mouse Passive Motion Callback:  %d %d\n",
+            ++sequence_number, window, x, y ) ;
+  passivemotion_called[winIdx] = 1 ;
+  passivemotion_x[winIdx] = x ;
+  passivemotion_y[winIdx] = y ;
+  passivemotion_seq[winIdx] = sequence_number ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Entry(int state)
+{
+  int window = getWindowAndIdx(NULL);
   printf ( "%6d Window %d Entry Callback:  %d\n",
             ++sequence_number, window, state ) ;
+  glutPostRedisplay () ;
 }
-static void SampleMenu(int a)
+
+static void 
+Close(void)
 {
-    printf("Menu clicked %d\n", a);
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d Close Callback\n",
+            ++sequence_number, window ) ;
 }
-int main(int argc, char *argv[])
+
+static void 
+OverlayDisplay(void)
 {
-    int freeglut_window, menuID;
+  int window = getWindowAndIdx(NULL);
-    glutInitWindowSize(400, 250);
+  printf ( "%6d Window %d OverlayDisplay Callback\n",
+            ++sequence_number, window ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+WindowStatus(int state)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d WindowStatus Callback:  %d\n",
+            ++sequence_number, window, state ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+SpaceMotion(int x, int y, int z)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d SpaceMotion Callback:  %d %d %d\n",
+            ++sequence_number, window, x, y, z ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+SpaceRotation(int x, int y, int z)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d SpaceRotation Callback:  %d %d %d\n",
+            ++sequence_number, window, x, y, z ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+SpaceButton(int button, int updown)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d SpaceButton Callback:  %d %d\n",
+            ++sequence_number, window, button, updown ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+Dials(int x, int y)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d Dials Callback:  %d %d\n",
+            ++sequence_number, window, x, y ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+ButtonBox(int button, int updown)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d ButtonBox Callback:  %d %d\n",
+            ++sequence_number, window, button, updown ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+TabletMotion(int x, int y)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d TabletMotion Callback:  %d %d\n",
+            ++sequence_number, window, x, y ) ;
+  glutPostRedisplay () ;
+}
+
+static void 
+TabletButton(int button, int updown, int x, int y)
+{
+  int window = getWindowAndIdx(NULL);
+  printf ( "%6d Window %d TabletButton Callback:  %d %d %d %d\n",
+            ++sequence_number, window, button, updown, x, y ) ;
+  glutPostRedisplay () ;
+}
+
+static void
+MenuCallback ( int value )
+{
+  int menu = glutGetMenu();
+  int window = getWindowAndIdx(NULL);
+  printf( "%6d Menu %d MenuCallback for menu opened in Window %d - value is %d\n",
+          ++sequence_number, menu, window, value );
+}
+
+static void 
+MenuDestroy( void )
+{
+  int menu = glutGetMenu();
+  menudestroy_called = 1 ;
+  printf ( "%6d Menu %d MenuDestroy Callback\n",
+            ++sequence_number, menu ) ;
+}
+
+static void 
+MenuStatus( int status, int x, int y )
+{
+  /* Menu and window for which this event is triggered are current when the callback is called */
+  int menu = glutGetMenu();
+  int window = getWindowAndIdx(NULL);
+  menustatus_called = 1 ;
+  printf ( "%6d Menu %d MenuStatus Callback in Window %d:  %d %d %d\n",
+            ++sequence_number, menu, window, status, x, y ) ;
+  glutPostRedisplay () ;
+}
+
+
+static void 
+MenuState( int status )
+{
+  /* Menu and window for which this event is triggered are current when the callback is called */
+  int menu = glutGetMenu();
+  int window = getWindowAndIdx(NULL);
+  menustate_called = 1 ;
+  printf ( "%6d Menu %d MenuState Callback in Window %d:  %d\n",
+            ++sequence_number, menu, window, status) ;
+  glutPostRedisplay () ;
+}
+
+static void Idle ( void )
+{
+  ++sequence_number ;
+}
+
+int 
+main(int argc, char *argv[])
+{
+  char dummy_string[STRING_LENGTH];
+
+  int menuID, subMenuA, subMenuB;
+
+  glutInitWarningFunc(Warning);
+  glutInitErrorFunc(Error);
+  glutInitWindowSize(500, 250);
+  glutInitWindowPosition ( 140, 140 );
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE );
   glutInit(&argc, argv);
-    freeglut_window=glutCreateWindow("INVOKE_WCB Issue");
+  glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_CONTINUE_EXECUTION);
-    printf("window created\n");
+
-    glClearColor(1.0, .0, 1.0, 1.0);
+  /* Set other global callback (global as in not associated with any specific menu or window) */
+  glutIdleFunc ( Idle );
+  glutMenuStatusFunc ( MenuStatus );
+  glutMenuStateFunc  ( MenuState ); /* Note that glutMenuStatusFunc is an enhanced version of the deprecated glutMenuStateFunc. */
+
+  windows[0] = glutCreateWindow( "Callback Demo" );
+  printf ( "Creating window %d as 'Callback Demo'\n", windows[0] ) ;
+
+  glClearColor(1.0, 1.0, 1.0, 1.0);
+
+  /* callbacks and settings specific to this window */
   glutDisplayFunc( Display );
+  glutReshapeFunc( Reshape );
+  glutPositionFunc( Position );
+  glutKeyboardFunc( Key );
+  glutSpecialFunc( Special );
+  glutVisibilityFunc( Visibility );
+  glutKeyboardUpFunc( KeyUp );
+  glutSpecialUpFunc( SpecialUp );
+  glutJoystickFunc( Joystick, 100 );
+  glutMouseFunc ( Mouse ) ;
+  glutMouseWheelFunc ( MouseWheel ) ;
+  glutMotionFunc ( Motion ) ;
+  glutPassiveMotionFunc ( PassiveMotion ) ;
   glutEntryFunc ( Entry ) ;
-    menuID=glutCreateMenu(SampleMenu);
+  glutCloseFunc ( Close ) ;
-    glutAddMenuEntry("Entry one", 1);
+  glutOverlayDisplayFunc ( OverlayDisplay ) ;
-    glutAddMenuEntry("Entry two", 2);
+  glutWindowStatusFunc ( WindowStatus ) ;
+  glutSpaceballMotionFunc ( SpaceMotion ) ;
+  glutSpaceballRotateFunc ( SpaceRotation ) ;
+  glutSpaceballButtonFunc ( SpaceButton ) ;
+  glutButtonBoxFunc ( ButtonBox ) ;
+  glutDialsFunc ( Dials ) ;
+  glutTabletMotionFunc ( TabletMotion ) ;
+  glutTabletButtonFunc ( TabletButton ) ;
+  glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ;
+
+  subMenuA = glutCreateMenu( MenuCallback );
+  glutAddMenuEntry( "Sub menu A1 (01)", 11 );
+  glutAddMenuEntry( "Sub menu A2 (02)", 12 );
+  glutAddMenuEntry( "Sub menu A3 (03)", 13 );
+  glutMenuDestroyFunc ( MenuDestroy );  /* callback specific to this menu */
+
+  subMenuB = glutCreateMenu( MenuCallback );
+  glutAddMenuEntry( "Sub menu B1 (04)", 14 );
+  glutAddMenuEntry( "Sub menu B2 (05)", 15 );
+  glutAddMenuEntry( "Sub menu B3 (06)", 16 );
+  glutAddSubMenu( "Going to sub menu A", subMenuA );
+  glutMenuDestroyFunc ( MenuDestroy );  /* callback specific to this menu */
+
+  menuID = glutCreateMenu( MenuCallback );
+  glutAddMenuEntry( "Entry one",   21 );
+  glutAddMenuEntry( "Entry two",   22 );
+  glutAddMenuEntry( "Entry three", 23 );
+  glutAddMenuEntry( "Entry four",  24 );
+  glutAddMenuEntry( "Entry five",  25 );
+  glutAddSubMenu( "Enter sub menu A", subMenuA );
+  glutAddSubMenu( "Enter sub menu B", subMenuB );
+  glutMenuDestroyFunc ( MenuDestroy );  /* callback specific to this menu */
+
+  glutAttachMenu( GLUT_LEFT_BUTTON );
+
+  glutInitWindowPosition ( 140+500+2*glutGet(GLUT_WINDOW_BORDER_WIDTH), 140 );
+  /* Position second window right next to the first */
+  windows[1] = glutCreateWindow( "Second Window" );
+  printf ( "Creating window %d as 'Second Window'\n", windows[1] ) ;
+
+  glClearColor(1.0, 1.0, 1.0, 1.0);
+
+  /* callbacks and settings specific to this window */
+  glutDisplayFunc( Display );
+  glutReshapeFunc( Reshape );
+  glutPositionFunc( Position );
+  glutKeyboardFunc( Key );
+  glutSpecialFunc( Special );
+  glutVisibilityFunc( Visibility );
+  glutKeyboardUpFunc( KeyUp );
+  glutSpecialUpFunc( SpecialUp );
+  /*  glutJoystickFunc( Joystick, 100 ); */
+  glutMouseFunc ( Mouse ) ;
+  glutMouseWheelFunc ( MouseWheel ) ;
+  glutMotionFunc ( Motion ) ;
+  glutPassiveMotionFunc ( PassiveMotion ) ;
+  glutEntryFunc ( Entry ) ;
+  glutCloseFunc ( Close ) ;
+  glutOverlayDisplayFunc ( OverlayDisplay ) ;
+  glutWindowStatusFunc ( WindowStatus ) ;
+  glutSpaceballMotionFunc ( SpaceMotion ) ;
+  glutSpaceballRotateFunc ( SpaceRotation ) ;
+  glutSpaceballButtonFunc ( SpaceButton ) ;
+  glutButtonBoxFunc ( ButtonBox ) ;
+  glutDialsFunc ( Dials ) ;
+  glutTabletMotionFunc ( TabletMotion ) ;
+  glutTabletButtonFunc ( TabletButton ) ;
+  glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ;
+
+  glutSetMenu(subMenuB);
   glutAttachMenu( GLUT_RIGHT_BUTTON );
+
+
+  printf ( "Please enter something to continue: " );
+  fgets ( dummy_string, STRING_LENGTH, stdin );
+
   glutMainLoop();
-    return 0;
+
+  printf ( "Back from the 'freeglut' main loop\n" ) ;
+
+  return EXIT_SUCCESS;
 }

freeglut/freeglut/src/fg_main.c

@@ -103,10 +103,8 @@ static void fghReshapeWindow ( SFG_Window *window, int width, int height )
 void fghRedrawWindow ( SFG_Window *window )
 {
     SFG_Window *current_window = fgStructure.CurrentWindow;
-    printf("fghRedrawWindow\n");
 
     freeglut_return_if_fail( window );
-    printf("got window\n");
 
     if( window->State.NeedToInitContext ) {
         INVOKE_WCB( *window, InitContext, ());
@@ -114,12 +112,10 @@ void fghRedrawWindow ( SFG_Window *window )
     }
 
     freeglut_return_if_fail( FETCH_WCB ( *window, Display ) );
-    printf("got displayCB\n");
 
     window->State.Redisplay = GL_FALSE;
 
     freeglut_return_if_fail( window->State.Visible );
-    printf("we're visible\n");
 
     fgSetWindow( window );
 
@@ -138,7 +134,6 @@ void fghRedrawWindow ( SFG_Window *window )
         );
     }
 
-    printf("invoking displayCB\n");
     INVOKE_WCB( *window, Display, ( ) );
 
     fgSetWindow( current_window );
@@ -148,12 +143,10 @@ void fghRedrawWindow ( SFG_Window *window )
 static void fghcbDisplayWindow( SFG_Window *window,
                                 SFG_Enumerator *enumerator )
 {
-    printf("window %p, %i\n",window,window->State.Redisplay);
     if( window->State.Redisplay &&
         window->State.Visible )
     {
         window->State.Redisplay = GL_FALSE;
-        printf("redisplaying...\n");
 		fgPlatformDisplayWindow ( window );
     }
 

freeglut/freeglut/src/mswin/fg_main_mswin.c

@@ -128,12 +128,10 @@ void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
 
 void fgPlatformDisplayWindow ( SFG_Window *window )
 {
-    int success = RedrawWindow(
+    RedrawWindow(
         window->Window.Handle, NULL, NULL,
         RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
     );
-
-    printf("RedrawWindow (window %p): %i\n",window,success);
 }
 
 
@@ -411,9 +409,6 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
         }
 
 #endif /* defined(_WIN32_WCE) */
-
-        window->State.Redisplay = GL_TRUE;
-        printf("create set redisplay\n");
         break;
 
     case WM_SIZE:
@@ -528,7 +523,6 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
 
     case WM_PAINT:
         /* Turn on the visibility in case it was turned off somehow */
-        printf("WM_PAINT received\n");
         window->State.Visible = GL_TRUE;
         InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
         BeginPaint( hWnd, &ps );