Three supported win32 compilation environments: MSVC, Cygwin and MingW32

[freeglut] / src / freeglut_internal.h

diff --git a/src/freeglut_internal.h b/src/freeglut_internal.h
index 1c07129..cea8ad8 100644 (file)
--- a/src/freeglut_internal.h
+++ b/src/freeglut_internal.h
@@ -30,18 +30,18 @@
 
 /* XXX Update these for each release! */
 #define  VERSION_MAJOR 2
-#define  VERSION_MINOR 0
-#define  VERSION_PATCH 2 
+#define  VERSION_MINOR 2
+#define  VERSION_PATCH 0 
 
 /*
  * Freeglut is meant to be available under all Unix/X11 and Win32 platforms.
  */
-#if !defined(_WIN32)
-#   define  TARGET_HOST_UNIX_X11    1
-#   define  TARGET_HOST_WIN32       0
-#else
+#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)
 #   define  TARGET_HOST_UNIX_X11    0
 #   define  TARGET_HOST_WIN32       1
+#else
+#   define  TARGET_HOST_UNIX_X11    1
+#   define  TARGET_HOST_WIN32       0
 #endif
 
 #define  FREEGLUT_MAX_MENUS         3
@@ -61,7 +61,10 @@
 #if TARGET_HOST_WIN32
 #include <windows.h>
 #include <windowsx.h>
+#include <mmsystem.h>
+#endif
 
+#if defined(_MSC_VER)
 #define strdup   _strdup
 #endif
 
@@ -353,6 +356,8 @@ struct tagSFG_WindowState
 {
     int             Width;              /* Window's width in pixels          */
     int             Height;             /* The same about the height         */
+    int             OldWidth;           /* Window width from before a resize */
+    int             OldHeight;          /*   "    height  "    "    "   "    */
 
     GLboolean       Redisplay;          /* Do we have to redisplay?          */
     GLboolean       Visible;            /* Is the window visible now         */
@@ -371,6 +376,30 @@ struct tagSFG_WindowState
 
 
 /*
+ * SET_WCB() is used as:
+ *
+ *     SET_WCB( window, Visibility, func );
+ *
+ * ...where {window} is the freeglut window to set the callback,
+ *          {Visibility} is the window-specific callback to set,
+ *          {func} is a function-pointer.
+ *
+ * Originally, {FETCH_WCB( ... ) = func} was rather sloppily used,
+ * but this can cause warnings because the FETCH_WCB() macro type-
+ * casts its result, and a type-cast value shouldn't be an lvalue.
+ *
+ * The {if( FETCH_WCB( ... ) != func )} test is to do type-checking
+ * and for no other reason.  Since it's hidden in the macro, the
+ * ugliness is felt to be rather benign.
+ */
+#define SET_WCB(window,cbname,func)                   \
+do                                                    \
+{                                                     \
+    if( FETCH_WCB( window, cbname ) != func )         \
+        (((window).CallBacks[CB_ ## cbname]) = func); \
+} while( 0 )                                          \
+
+/*
  * FETCH_WCB() is used as:
  *
  *     FETCH_WCB( window, Visibility );
@@ -544,8 +573,8 @@ struct tagSFG_Window
 typedef struct tagSFG_WindowList SFG_WindowList ;
 struct tagSFG_WindowList
 {
+    SFG_Node node;
     SFG_Window *window ;
-    SFG_WindowList *next ;
 };
 
 /*
@@ -556,6 +585,7 @@ struct tagSFG_Structure
 {
     SFG_List        Windows;      /* The global windows list            */
     SFG_List        Menus;        /* The global menus list              */
+    SFG_List        WindowsToDestroy;
 
     SFG_Window*     Window;       /* The currently active win.          */
     SFG_Menu*       Menu;         /* Same, but menu...                  */