--- /dev/null
+/*
+ * tkMacOSXPort.h --
+ *
+ * This file is included by all of the Tk C files. It contains
+ * information that may be configuration-dependent, such as
+ * #includes for system include files and a few other things.
+ *
+ * Copyright (c) 1994-1996 Sun Microsystems, Inc.
+ * Copyright 2001-2009, Apple Inc.
+ * Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#ifndef _TKMACPORT
+#define _TKMACPORT
+
+#include <stdio.h>
+#include <pwd.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <math.h>
+#include <string.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/file.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#include <sys/stat.h>
+#ifndef _TCL
+# include <tcl.h>
+#endif
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#include <unistd.h>
+#if defined(__GNUC__) && !defined(__cplusplus)
+# pragma GCC diagnostic ignored "-Wc++-compat"
+#endif
+#include <X11/Xlib.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+#include <X11/Xatom.h>
+#include <X11/Xfuncproto.h>
+#include <X11/Xutil.h>
+
+/*
+ * The following macro defines the type of the mask arguments to
+ * select:
+ */
+
+#ifndef NO_FD_SET
+# define SELECT_MASK fd_set
+#else
+# ifndef _AIX
+ typedef long fd_mask;
+# endif
+# if defined(_IBMR2)
+# define SELECT_MASK void
+# else
+# define SELECT_MASK int
+# endif
+#endif
+
+/*
+ * Used to tag functions that are only to be visible within the module being
+ * built and not outside it (where this is supported by the linker).
+ */
+
+#ifndef MODULE_SCOPE
+# ifdef __cplusplus
+# define MODULE_SCOPE extern "C"
+# else
+# define MODULE_SCOPE extern
+# endif
+#endif
+
+/*
+ * The following macro defines the number of fd_masks in an fd_set:
+ */
+
+#ifndef FD_SETSIZE
+# ifdef OPEN_MAX
+# define FD_SETSIZE OPEN_MAX
+# else
+# define FD_SETSIZE 256
+# endif
+#endif
+#if !defined(howmany)
+# define howmany(x, y) (((x)+((y)-1))/(y))
+#endif
+#ifndef NFDBITS
+# define NFDBITS NBBY*sizeof(fd_mask)
+#endif
+#define MASK_SIZE howmany(FD_SETSIZE, NFDBITS)
+
+/*
+ * Define "NBBY" (number of bits per byte) if it's not already defined.
+ */
+
+#ifndef NBBY
+# define NBBY 8
+#endif
+
+/*
+ * The following define causes Tk to use its internal keysym hash table
+ */
+
+#define REDO_KEYSYM_LOOKUP
+
+/*
+ * Defines for X functions that are used by Tk but are treated as
+ * no-op functions on the Macintosh.
+ */
+
+#undef XFlush
+#define XFlush(display) (0)
+#undef XFree
+#define XFree(data) (((data) != NULL) ? (ckfree(data),0) : 0)
+#undef XGrabServer
+#define XGrabServer(display) (0)
+#undef XNoOp
+#define XNoOp(display) (display->request++,0)
+#undef XUngrabServer
+#define XUngrabServer(display) (0)
+#undef XSynchronize
+#define XSynchronize(display, onoff) (display->request++,NULL)
+#undef XVisualIDFromVisual
+#define XVisualIDFromVisual(visual) (visual->visualid)
+
+/*
+ * The following functions are not used on the Mac, so we stub them out.
+ */
+
+#define TkpCmapStressed(tkwin,colormap) (0)
+#define TkpFreeColor(tkColPtr)
+#define TkSetPixmapColormap(p,c) {}
+#define TkpSync(display)
+
+/*
+ * TkMacOSXGetCapture is a legacy function used on the Mac. When fixing
+ * [943d5ebe51], TkpGetCapture was added to the Windows port. Both
+ * are actually the same feature and should bear the same name. However,
+ * in order to avoid potential backwards incompatibilities, renaming
+ * TkMacOSXGetCapture into TkpGetCapture in *PlatDecls.h shall not be
+ * done in a patch release, therefore use a define here.
+ */
+
+#define TkpGetCapture TkMacOSXGetCapture
+
+/*
+ * This macro stores a representation of the window handle in a string.
+ */
+
+#define TkpPrintWindowId(buf,w) \
+ sprintf((buf), "0x%lx", (unsigned long) (w))
+
+/*
+ * Turn off Tk double-buffering as Aqua windows are already double-buffered.
+ */
+
+#define TK_NO_DOUBLE_BUFFERING 1
+#define TK_HAS_DYNAMIC_COLORS 1
+#define TK_DYNAMIC_COLORMAP 0x0fffffff
+
+/*
+ * Inform tkImgPhInstance.c that we implement TkpPutRGBAImage to render RGBA
+ * images directly into a window.
+ */
+
+#define TK_CAN_RENDER_RGBA
+
+MODULE_SCOPE int TkpPutRGBAImage(
+ Display* display, Drawable drawable, GC gc,XImage* image,
+ int src_x, int src_y, int dest_x, int dest_y,
+ unsigned int width, unsigned int height);
+
+/*
+ * Used by xcolor.c
+ */
+
+MODULE_SCOPE unsigned long TkMacOSXRGBPixel(unsigned long red, unsigned long green,
+ unsigned long blue);
+#define TkpGetPixel(p) (TkMacOSXRGBPixel(p->red >> 8, p->green >> 8, p->blue >> 8))
+
+/*
+ * Used by tkWindow.c
+ */
+
+MODULE_SCOPE void TkMacOSXHandleMapOrUnmap(Tk_Window tkwin, XEvent *event);
+
+#define TkpHandleMapOrUnmap(tkwin, event) TkMacOSXHandleMapOrUnmap(tkwin, event)
+
+/*
+ * Used by tkAppInit
+ */
+
+#define USE_CUSTOM_EXIT_PROC
+EXTERN int TkpWantsExitProc(void);
+EXTERN TCL_NORETURN void TkpExitProc(void *);
+
+#endif /* _TKMACPORT */
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