Windows platforms only: Merged some cursor-related code from John Fay

[freeglut] / src / freeglut_main.c

diff --git a/src/freeglut_main.c b/src/freeglut_main.c
index a62ffc0..0ab70ec 100644 (file)
--- a/src/freeglut_main.c
+++ b/src/freeglut_main.c
@@ -27,15 +27,19 @@
 
 #include <GL/freeglut.h>
 #include "freeglut_internal.h"
+#if HAVE_ERRNO_H
+#    include <errno.h>
+#endif
+#include <stdarg.h>
+#if HAVE_VPRINTF
+#    define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
+#elif HAVE_DOPRNT
+#    define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
+#else
+#    define VFPRINTF(s,f,a)
+#endif
 
-#include <limits.h>
-#if TARGET_HOST_UNIX_X11
-#include <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/stat.h>
-#elif TARGET_HOST_WIN32
-#elif TARGET_HOST_WINCE
+#if TARGET_HOST_WINCE
 
 typedef struct GXDisplayProperties GXDisplayProperties;
 typedef struct GXKeyList GXKeyList;
@@ -51,8 +55,15 @@ struct GXKeyList gxKeyList;
 
 #endif
 
-#ifndef MAX
-#define MAX(a,b) (((a)>(b)) ? (a) : (b))
+/*
+ * Try to get the maximum value allowed for ints, falling back to the minimum
+ * guaranteed by ISO C99 if there is no suitable header.
+ */
+#if HAVE_LIMITS_H
+#    include <limits.h>
+#endif
+#ifndef INT_MAX
+#    define INT_MAX 32767
 #endif
 
 #ifndef MIN
@@ -345,8 +356,8 @@ void fgError( const char *fmt, ... )
 
     fprintf( stderr, "freeglut ");
     if( fgState.ProgramName )
-        fprintf (stderr, "(%s): ", fgState.ProgramName);
-    vfprintf( stderr, fmt, ap );
+        fprintf( stderr, "(%s): ", fgState.ProgramName );
+    VFPRINTF( stderr, fmt, ap );
     fprintf( stderr, "\n" );
 
     va_end( ap );
@@ -366,7 +377,7 @@ void fgWarning( const char *fmt, ... )
     fprintf( stderr, "freeglut ");
     if( fgState.ProgramName )
         fprintf( stderr, "(%s): ", fgState.ProgramName );
-    vfprintf( stderr, fmt, ap );
+    VFPRINTF( stderr, fmt, ap );
     fprintf( stderr, "\n" );
 
     va_end( ap );
@@ -447,8 +458,10 @@ static void fghSleepForEvents( void )
         return;
 
     msec = fghNextTimer( );
-    if( fghHaveJoystick( ) )     /* XXX Use GLUT timers for joysticks... */
-        msec = MIN( msec, 10 );  /* XXX Dumb; forces granularity to .01sec */
+    /* XXX Use GLUT timers for joysticks... */
+    /* XXX Dumb; forces granularity to .01sec */
+    if( fghHaveJoystick( ) && ( msec < 10 ) )     
+        msec = 10;
 
 #if TARGET_HOST_UNIX_X11
     /*
@@ -474,7 +487,7 @@ static void fghSleepForEvents( void )
         wait.tv_usec = (msec % 1000) * 1000;
         err = select( socket+1, &fdset, NULL, NULL, &wait );
 
-        if( -1 == err )
+        if( ( -1 == err ) && ( errno != EINTR ) )
             fgWarning ( "freeglut select() error: %d", errno );
     }
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
@@ -1212,7 +1225,6 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
     case WM_ACTIVATE:
         if (LOWORD(wParam) != WA_INACTIVE)
         {
-            /* glutSetCursor( fgStructure.Window->State.Cursor ); */
 /*            printf("WM_ACTIVATE: glutSetCursor( %p, %d)\n", window,
                    window->State.Cursor ); */
             glutSetCursor( window->State.Cursor );
@@ -1231,38 +1243,9 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
          * XXX and implementing a nested case in-line.
          */
     case WM_SETCURSOR:
-        /* Set the cursor AND change it for this window class. */
-#define MAP_CURSOR(a,b)                 \
-    case a:                             \
-    SetCursor( LoadCursor( NULL, b ) ); \
-    break;
-
-        /* Nuke the cursor AND change it for this window class. */
-#define ZAP_CURSOR(a,b) \
-    case a:             \
-    SetCursor( NULL );  \
-    break;
-
 /*      printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
         if( LOWORD( lParam ) == HTCLIENT )
-            switch( window->State.Cursor )
-            {
-                MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, IDC_ARROW     );
-                MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW,  IDC_ARROW     );
-                MAP_CURSOR( GLUT_CURSOR_INFO,        IDC_HELP      );
-                MAP_CURSOR( GLUT_CURSOR_DESTROY,     IDC_CROSS     );
-                MAP_CURSOR( GLUT_CURSOR_HELP,        IDC_HELP      );
-                MAP_CURSOR( GLUT_CURSOR_CYCLE,       IDC_SIZEALL   );
-                MAP_CURSOR( GLUT_CURSOR_SPRAY,       IDC_CROSS     );
-                MAP_CURSOR( GLUT_CURSOR_WAIT,        IDC_WAIT      );
-                MAP_CURSOR( GLUT_CURSOR_TEXT,        IDC_UPARROW   );
-                MAP_CURSOR( GLUT_CURSOR_CROSSHAIR,   IDC_CROSS     );
-                /* MAP_CURSOR( GLUT_CURSOR_NONE,        IDC_NO         ); */
-                ZAP_CURSOR( GLUT_CURSOR_NONE,        NULL          );
-
-            default:
-                MAP_CURSOR( GLUT_CURSOR_UP_DOWN,     IDC_ARROW     );
-            }
+            glutSetCursor ( window->State.Cursor ) ;
         else
             lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
         break;