Simpify determination whether we are running on cygwin.

Export Tk_GetHINSTANCE, TkSetPixmapColormap and TkpPrintWindowId on the Cygwin dll.

8 files changed, 197 insertions, 234 deletions

diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index b30ca30..85c7de5 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -23,6 +23,8 @@
 
 #ifdef __WIN32__
 #include "tkWinInt.h"
+#elif defined(__CYGWIN__)
+#include "tkUnixInt.h"
 #endif
 
 /*
diff --git a/generic/tkInt.decls b/generic/tkInt.decls
index 33921ba..20d0dd4 100644
--- a/generic/tkInt.decls
+++ b/generic/tkInt.decls
@@ -436,7 +436,7 @@ declare 122 aqua {
 }
 declare 124 aqua {
     Pixmap TkpGetNativeAppBitmap(Display *display,
- 	    const char *name, int *width, int *height)
+	    const char *name, int *width, int *height)
 }
 declare 135 {
     void TkpDrawHighlightBorder(Tk_Window tkwin, GC fgGC, GC bgGC,
@@ -750,42 +750,33 @@ declare 36 win {
 	    UINT message, WPARAM wParam, LPARAM lParam)
 }
 
-# new for 8.4.20+, Cygwin only
+# new for 8.4.20+/8.5.12+, Cygwin only
 declare 37 win {
     void TkCreateXEventSource(void)
 }
 declare 38 win {
-    void TkFreeWindowId(TkDisplay *dispPtr, Window w)
-}
-declare 39 win {
-    void TkInitXId(TkDisplay *dispPtr)
-}
-declare 40 win {
     int TkpCmapStressed(Tk_Window tkwin, Colormap colormap)
 }
-declare 41 win {
+declare 39 win {
     void TkpSync(Display *display)
 }
-declare 42 win {
+declare 40 win {
     Window TkUnixContainerId(TkWindow *winPtr)
 }
-declare 43 win {
+declare 41 win {
     int TkUnixDoOneXEvent(Tcl_Time *timePtr)
 }
-declare 44 win {
+declare 42 win {
     void TkUnixSetMenubar(Tk_Window tkwin, Tk_Window menubar)
 }
-declare 45 win {
+declare 43 win {
     void TkWmCleanup(TkDisplay *dispPtr)
 }
-declare 46 win {
+declare 44 win {
     void TkSendCleanup(TkDisplay *dispPtr)
 }
-declare 47 win {
-    void TkFreeXId(TkDisplay *dispPtr)
-}
 # only needed by tktest:
-declare 48 win {
+declare 45 win {
     int TkpTestsendCmd(ClientData clientData, Tcl_Interp *interp, int argc,
 	    const char **argv)
 }
diff --git a/generic/tkIntDecls.h b/generic/tkIntDecls.h
index acb9639..7f1c096 100644
--- a/generic/tkIntDecls.h
+++ b/generic/tkIntDecls.h
@@ -1854,11 +1854,10 @@ extern TkIntStubs *tkIntStubsPtr;
 #undef TCL_STORAGE_CLASS
 #define TCL_STORAGE_CLASS DLLIMPORT
 
+#ifndef __WIN32__
 /*
- * On X11, these macros are just wrappers for the equivalent X Region calls.
+ * These macros are just wrappers for the equivalent X Region calls.
  */
-#if !(defined(__WIN32__) || defined(MAC_OSX_TK)) /* X11 */
-
 #undef TkClipBox
 #undef TkCreateRegion
 #undef TkDestroyRegion
@@ -1879,8 +1878,7 @@ extern TkIntStubs *tkIntStubsPtr;
 	(Region) b, (Region) r)
 #define TkUnionRectWithRegion(rect, src, ret) XUnionRectWithRegion(rect, \
 	(Region) src, (Region) ret)
-
-#endif /* UNIX */
+#endif /* __WIN32__ */
 
 #endif /* _TKINTDECLS */
 
diff --git a/generic/tkIntPlatDecls.h b/generic/tkIntPlatDecls.h
index 021be8e..1e0a758 100644
--- a/generic/tkIntPlatDecls.h
+++ b/generic/tkIntPlatDecls.h
@@ -231,59 +231,44 @@ EXTERN LRESULT __stdcall TkWinChildProc(HWND hwnd, UINT message,
 /* 37 */
 EXTERN void		TkCreateXEventSource(void);
 #endif
-#ifndef TkFreeWindowId_TCL_DECLARED
-#define TkFreeWindowId_TCL_DECLARED
-/* 38 */
-EXTERN void		TkFreeWindowId(TkDisplay *dispPtr, Window w);
-#endif
-#ifndef TkInitXId_TCL_DECLARED
-#define TkInitXId_TCL_DECLARED
-/* 39 */
-EXTERN void		TkInitXId(TkDisplay *dispPtr);
-#endif
 #ifndef TkpCmapStressed_TCL_DECLARED
 #define TkpCmapStressed_TCL_DECLARED
-/* 40 */
+/* 38 */
 EXTERN int		TkpCmapStressed(Tk_Window tkwin, Colormap colormap);
 #endif
 #ifndef TkpSync_TCL_DECLARED
 #define TkpSync_TCL_DECLARED
-/* 41 */
+/* 39 */
 EXTERN void		TkpSync(Display *display);
 #endif
 #ifndef TkUnixContainerId_TCL_DECLARED
 #define TkUnixContainerId_TCL_DECLARED
-/* 42 */
+/* 40 */
 EXTERN Window		TkUnixContainerId(TkWindow *winPtr);
 #endif
 #ifndef TkUnixDoOneXEvent_TCL_DECLARED
 #define TkUnixDoOneXEvent_TCL_DECLARED
-/* 43 */
+/* 41 */
 EXTERN int		TkUnixDoOneXEvent(Tcl_Time *timePtr);
 #endif
 #ifndef TkUnixSetMenubar_TCL_DECLARED
 #define TkUnixSetMenubar_TCL_DECLARED
-/* 44 */
+/* 42 */
 EXTERN void		TkUnixSetMenubar(Tk_Window tkwin, Tk_Window menubar);
 #endif
 #ifndef TkWmCleanup_TCL_DECLARED
 #define TkWmCleanup_TCL_DECLARED
-/* 45 */
+/* 43 */
 EXTERN void		TkWmCleanup(TkDisplay *dispPtr);
 #endif
 #ifndef TkSendCleanup_TCL_DECLARED
 #define TkSendCleanup_TCL_DECLARED
-/* 46 */
+/* 44 */
 EXTERN void		TkSendCleanup(TkDisplay *dispPtr);
 #endif
-#ifndef TkFreeXId_TCL_DECLARED
-#define TkFreeXId_TCL_DECLARED
-/* 47 */
-EXTERN void		TkFreeXId(TkDisplay *dispPtr);
-#endif
 #ifndef TkpTestsendCmd_TCL_DECLARED
 #define TkpTestsendCmd_TCL_DECLARED
-/* 48 */
+/* 45 */
 EXTERN int		TkpTestsendCmd(ClientData clientData,
 				Tcl_Interp *interp, int argc,
 				CONST char **argv);
@@ -659,17 +644,14 @@ typedef struct TkIntPlatStubs {
     int (*tkWinGetPlatformTheme) (void); /* 35 */
     LRESULT (__stdcall *tkWinChildProc) (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); /* 36 */
     void (*tkCreateXEventSource) (void); /* 37 */
-    void (*tkFreeWindowId) (TkDisplay *dispPtr, Window w); /* 38 */
-    void (*tkInitXId) (TkDisplay *dispPtr); /* 39 */
-    int (*tkpCmapStressed) (Tk_Window tkwin, Colormap colormap); /* 40 */
-    void (*tkpSync) (Display *display); /* 41 */
-    Window (*tkUnixContainerId) (TkWindow *winPtr); /* 42 */
-    int (*tkUnixDoOneXEvent) (Tcl_Time *timePtr); /* 43 */
-    void (*tkUnixSetMenubar) (Tk_Window tkwin, Tk_Window menubar); /* 44 */
-    void (*tkWmCleanup) (TkDisplay *dispPtr); /* 45 */
-    void (*tkSendCleanup) (TkDisplay *dispPtr); /* 46 */
-    void (*tkFreeXId) (TkDisplay *dispPtr); /* 47 */
-    int (*tkpTestsendCmd) (ClientData clientData, Tcl_Interp *interp, int argc, CONST char **argv); /* 48 */
+    int (*tkpCmapStressed) (Tk_Window tkwin, Colormap colormap); /* 38 */
+    void (*tkpSync) (Display *display); /* 39 */
+    Window (*tkUnixContainerId) (TkWindow *winPtr); /* 40 */
+    int (*tkUnixDoOneXEvent) (Tcl_Time *timePtr); /* 41 */
+    void (*tkUnixSetMenubar) (Tk_Window tkwin, Tk_Window menubar); /* 42 */
+    void (*tkWmCleanup) (TkDisplay *dispPtr); /* 43 */
+    void (*tkSendCleanup) (TkDisplay *dispPtr); /* 44 */
+    int (*tkpTestsendCmd) (ClientData clientData, Tcl_Interp *interp, int argc, CONST char **argv); /* 45 */
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
     void (*tkGenerateActivateEvents) (TkWindow *winPtr, int active); /* 0 */
@@ -909,49 +891,37 @@ extern TkIntPlatStubs *tkIntPlatStubsPtr;
 #define TkCreateXEventSource \
 	(tkIntPlatStubsPtr->tkCreateXEventSource) /* 37 */
 #endif
-#ifndef TkFreeWindowId
-#define TkFreeWindowId \
-	(tkIntPlatStubsPtr->tkFreeWindowId) /* 38 */
-#endif
-#ifndef TkInitXId
-#define TkInitXId \
-	(tkIntPlatStubsPtr->tkInitXId) /* 39 */
-#endif
 #ifndef TkpCmapStressed
 #define TkpCmapStressed \
-	(tkIntPlatStubsPtr->tkpCmapStressed) /* 40 */
+	(tkIntPlatStubsPtr->tkpCmapStressed) /* 38 */
 #endif
 #ifndef TkpSync
 #define TkpSync \
-	(tkIntPlatStubsPtr->tkpSync) /* 41 */
+	(tkIntPlatStubsPtr->tkpSync) /* 39 */
 #endif
 #ifndef TkUnixContainerId
 #define TkUnixContainerId \
-	(tkIntPlatStubsPtr->tkUnixContainerId) /* 42 */
+	(tkIntPlatStubsPtr->tkUnixContainerId) /* 40 */
 #endif
 #ifndef TkUnixDoOneXEvent
 #define TkUnixDoOneXEvent \
-	(tkIntPlatStubsPtr->tkUnixDoOneXEvent) /* 43 */
+	(tkIntPlatStubsPtr->tkUnixDoOneXEvent) /* 41 */
 #endif
 #ifndef TkUnixSetMenubar
 #define TkUnixSetMenubar \
-	(tkIntPlatStubsPtr->tkUnixSetMenubar) /* 44 */
+	(tkIntPlatStubsPtr->tkUnixSetMenubar) /* 42 */
 #endif
 #ifndef TkWmCleanup
 #define TkWmCleanup \
-	(tkIntPlatStubsPtr->tkWmCleanup) /* 45 */
+	(tkIntPlatStubsPtr->tkWmCleanup) /* 43 */
 #endif
 #ifndef TkSendCleanup
 #define TkSendCleanup \
-	(tkIntPlatStubsPtr->tkSendCleanup) /* 46 */
-#endif
-#ifndef TkFreeXId
-#define TkFreeXId \
-	(tkIntPlatStubsPtr->tkFreeXId) /* 47 */
+	(tkIntPlatStubsPtr->tkSendCleanup) /* 44 */
 #endif
 #ifndef TkpTestsendCmd
 #define TkpTestsendCmd \
-	(tkIntPlatStubsPtr->tkpTestsendCmd) /* 48 */
+	(tkIntPlatStubsPtr->tkpTestsendCmd) /* 45 */
 #endif
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
@@ -1214,13 +1184,13 @@ extern TkIntPlatStubs *tkIntPlatStubsPtr;
 #undef TCL_STORAGE_CLASS
 #define TCL_STORAGE_CLASS DLLIMPORT
 
+#ifdef __CYGWIN__
+    void TkFreeXId(TkDisplay *dispPtr);
+    void TkFreeWindowId(TkDisplay *dispPtr, Window w);
+    void TkInitXId(TkDisplay *dispPtr);
+#endif
+
 #ifdef __WIN32__
-#undef TkFreeWindowId
-#undef TkInitXId
-#undef TkpCmapStressed
-#undef TkpSync
-#define TkFreeWindowId(dispPtr,w)
-#define TkInitXId(dispPtr)
 #define TkpCmapStressed(tkwin,colormap) (0)
 #define TkpSync(display)
 #endif
diff --git a/generic/tkMain.c b/generic/tkMain.c
index 69c7d25..c6d5238 100644
--- a/generic/tkMain.c
+++ b/generic/tkMain.c
@@ -18,6 +18,7 @@
 #include "tkInt.h"
 #ifdef __WIN32__
 #include "tkWinInt.h"
+#include "../win/tclWinPort.h"
 #endif
 #ifdef MAC_OSX_TK
 #include "tkMacOSXInt.h"
@@ -44,7 +45,45 @@ static Tcl_ThreadDataKey dataKey;
  * it will conflict with a declaration elsewhere on some systems.
  */
 
-#if !defined(__WIN32__) && !defined(_WIN32)
+#if defined(__WIN32__) || defined(_WIN32)
+#define isatty WinIsTty
+static int WinIsTty(int fd) {
+    HANDLE handle;
+
+    /*
+     * For now, under Windows, we assume we are not running as a console mode
+     * app, so we need to use the GUI console.  In order to enable this, we
+     * always claim to be running on a tty.  This probably isn't the right
+     * way to do it.
+     */
+
+#if !defined(STATIC_BUILD)
+	if (tclStubsPtr->reserved9 && TclpIsAtty) {
+	    /* We are running on Cygwin */
+	    return TclpIsAtty(fd);
+	}
+#endif
+    handle = GetStdHandle(STD_INPUT_HANDLE + fd);
+
+    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)
+	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
+	/*
+	 * If it's a bad or closed handle, then it's been connected
+	 * to a wish console window.
+	 */
+
+	return 1;
+    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
+	/*
+	 * A character file handle is a tty by definition.
+	 */
+
+	return 1;
+    } else {
+	return 0;
+    }
+}
+#else
 extern int		isatty(int fd);
 extern char *		strrchr(CONST char *string, int c);
 #endif
@@ -74,7 +113,6 @@ static void		StdinProc(ClientData clientData, int mask);
  *
  *----------------------------------------------------------------------
  */
-
 void
 Tk_MainEx(
     int argc,			/* Number of arguments. */
@@ -90,9 +128,6 @@ Tk_MainEx(
     int code, nullStdin = 0;
     Tcl_Channel inChannel, outChannel;
     ThreadSpecificData *tsdPtr;
-#ifdef __WIN32__
-    HANDLE handle;
-#endif
     Tcl_DString appName;
 
     /*
@@ -104,6 +139,27 @@ Tk_MainEx(
 	abort();
     }
 
+#if defined(__WIN32__) && !defined(STATIC_BUILD)
+    if (tclStubsPtr->reserved9) {
+	/* We are running win32 Tk under Cygwin, so let's check
+	 * whether the env("DISPLAY") variable or the -display
+	 * argument is set. If so, we really want to run the
+	 * Tk_MainEx function of libtk.dll, not this one. */
+ 	if (Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY)) {
+	loadCygwinTk:
+	    Tcl_Panic("Should load libtk.dll now, not yet implemented");
+	} else {
+	    int i;
+
+	    for (i = 1; i < argc; ++i) {
+		if (!strcmp(argv[i], "-display")) {
+		    goto loadCygwinTk;
+		}
+	    }
+	}
+    }
+#endif
+
     tsdPtr = (ThreadSpecificData *)
 	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
 
@@ -111,7 +167,12 @@ Tk_MainEx(
     tsdPtr->interp = interp;
     Tcl_Preserve((ClientData) interp);
 
-#if defined(__WIN32__) && !defined(__CYGWIN__)
+#if defined(__WIN32__) && !defined(STATIC_BUILD)
+    if (!tclStubsPtr->reserved9) {
+	/* Only initialize console when not running under cygwin */
+	Tk_InitConsoleChannels(interp);
+    }
+#elif  defined(__WIN32__)
     Tk_InitConsoleChannels(interp);
 #endif
 
@@ -194,37 +255,8 @@ Tk_MainEx(
      * Set the "tcl_interactive" variable.
      */
 
-#ifdef __WIN32__
-    /*
-     * For now, under Windows, we assume we are not running as a console mode
-     * app, so we need to use the GUI console. In order to enable this, we
-     * always claim to be running on a tty. This probably isn't the right way
-     * to do it.
-     */
-
-    handle = GetStdHandle(STD_INPUT_HANDLE);
-
-    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)
-	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
-	/*
-	 * If it's a bad or closed handle, then it's been connected to a wish
-	 * console window.
-	 */
-
-	tsdPtr->tty = 1;
-    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
-	/*
-	 * A character file handle is a tty by definition.
-	 */
-
-	tsdPtr->tty = 1;
-    } else {
-	tsdPtr->tty = 0;
-    }
-
-#else
     tsdPtr->tty = isatty(0);
-#endif
+
 #if defined(MAC_OSX_TK)
     /*
      * On TkAqua, if we don't have a TTY and stdin is a special character file
diff --git a/generic/tkStubInit.c b/generic/tkStubInit.c
index 03c794e..4a4c3a6 100644
--- a/generic/tkStubInit.c
+++ b/generic/tkStubInit.c
@@ -42,14 +42,10 @@ doNothing(void)
 /*
  * Remove macros that will interfere with the definitions below.
  */
-#   undef TkFreeWindowId
-#   undef TkInitXId
 #   undef TkpCmapStressed
 #   undef TkpSync
 
-#	define TkCreateXEventSource (void (*) (void)) doNothing
-#	define TkFreeWindowId (void (*) (TkDisplay *, Window)) doNothing
-#   define TkInitXId (void (*) (TkDisplay *)) doNothing
+#   define TkCreateXEventSource (void (*) (void)) doNothing
 #   define TkpCmapStressed (int (*) (Tk_Window, Colormap)) doNothing
 #   define TkpSync (void (*) (Display *)) doNothing
 #   define TkUnixContainerId 0
@@ -57,48 +53,19 @@ doNothing(void)
 #   define TkUnixSetMenubar 0
 #   define TkWmCleanup (void (*) (TkDisplay *)) doNothing
 #   define TkSendCleanup (void (*) (TkDisplay *)) doNothing
-#   define TkFreeXId (void (*) (TkDisplay *)) doNothing
 #   define TkpTestsendCmd 0
 
-#else
-/*
- * Remove macros that will interfere with the definitions below.
- */
-
-MODULE_SCOPE TkIntStubs tkIntStubs;
-MODULE_SCOPE TkIntPlatStubs tkIntPlatStubs;
-MODULE_SCOPE TkIntXlibStubs tkIntXlibStubs;
-MODULE_SCOPE TkPlatStubs tkPlatStubs;
-MODULE_SCOPE TkStubs tkStubs;
-
-#   undef TkClipBox
-#   undef TkCreateRegion
-#   undef TkDestroyRegion
-#   undef TkIntersectRegion
-#   undef TkRectInRegion
-#   undef TkSetRegion
-#   undef TkUnionRectWithRegion
-#   undef TkSubtractRegion
-#   undef TkPutImage
-#   undef TkSetPixmapColormap
-#   undef TkpPrintWindowId
-#   undef TkWinChildProc
+#else /* !__WIN32__ */
 
-/*
- * Make sure that extensions which call XParseColor through the stub
- * table, call TkParseColor instead. [Bug 3486474]
- */
-#   define XParseColor	TkParseColor
+#	undef TkClipBox
+#	undef TkCreateRegion
+#	undef TkDestroyRegion
+#	undef TkIntersectRegion
+#	undef TkRectInRegion
+#	undef TkSetRegion
+#	undef TkUnionRectWithRegion
+#	undef TkSubtractRegion
 
-#   ifndef __CYGWIN__
-#	define Tk_AttachHWND		0
-#	define Tk_GetHWND		0
-#	define Tk_HWNDToWindow		0
-#	define Tk_PointerEvent		0
-#	define Tk_TranslateWinEvent	0
-#	define Tk_GetHINSTANCE		0
-#   endif
-#   if !defined(MAC_TCL) && !defined(MAC_OSX_TCL)
 #	define TkClipBox (void (*) _ANSI_ARGS_((TkRegion, XRectangle *))) XClipBox
 #	define TkCreateRegion (TkRegion (*) ()) XCreateRegion
 #	define TkDestroyRegion (void (*) _ANSI_ARGS_((TkRegion))) XDestroyRegion
@@ -108,18 +75,34 @@ MODULE_SCOPE TkStubs tkStubs;
 #	define TkUnionRectWithRegion (void (*) _ANSI_ARGS_((XRectangle *, TkRegion, TkRegion))) XUnionRectWithRegion
 #	define TkSubtractRegion (void (*) _ANSI_ARGS_((TkRegion, TkRegion, TkRegion))) XSubtractRegion
 
-#	ifdef __CYGWIN__
-#   define Tk_GetHINSTANCE TkPlatGetHINSTANCE
-
 /*
- * Trick, so we don't have to include <windows.h> here, which in any
- * case lacks this function anyway.
+ * Make sure that extensions which call XParseColor through the stub
+ * table, call TkParseColor instead. [Bug 3486474]
  */
+#   define XParseColor	TkParseColor
+
+#   ifdef __CYGWIN__
 
-#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS	0x00000004
+    /*
+     * Remove macros that will interfere with the definitions below.
+     */
+#	undef TkPutImage
+#	undef TkSetPixmapColormap
+#	undef TkpPrintWindowId
+#	undef TkWinChildProc
+
+
+	/*
+	 * Trick, so we don't have to include <windows.h> here, which in any
+	 * case lacks this function anyway.
+	 */
+
+#	define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS	0x00000004
 int __stdcall GetModuleHandleExW(unsigned int, const char *, void *);
 
-static void *Tk_GetHINSTANCE()
+TkIntStubs tkIntStubs;
+
+void *Tk_GetHINSTANCE()
 {
     void *hInstance = NULL;
 
@@ -144,46 +127,46 @@ TkpPrintWindowId(buf, window)
 	sprintf(buf, "%#08lx", (unsigned long) (window));
 }
 
-    /* TODO: To be implemented for Cygwin */
-#   define Tk_AttachHWND 0
-#   define Tk_GetHWND 0
-#   define Tk_HWNDToWindow 0
-#   define Tk_PointerEvent 0
-#   define Tk_TranslateWinEvent 0
-#   define TkAlignImageData 0
-#   define TkGenerateActivateEvents 0
-#   define TkpGetMS 0
-#   define TkPointerDeadWindow 0
-#   define TkpSetCapture 0
-#   define TkpSetCursor 0
-#   define TkWinCancelMouseTimer 0
-#   define TkWinClipboardRender 0
-#   define TkWinEmbeddedEventProc 0
-#   define TkWinFillRect 0
-#   define TkWinGetBorderPixels 0
-#   define TkWinGetDrawableDC 0
-#   define TkWinGetModifierState 0
-#   define TkWinGetSystemPalette 0
-#   define TkWinGetWrapperWindow 0
-#   define TkWinHandleMenuEvent 0
-#   define TkWinIndexOfColor 0
-#   define TkWinReleaseDrawableDC 0
-#   define TkWinResendEvent 0
-#   define TkWinSelectPalette 0
-#   define TkWinSetMenu 0
-#   define TkWinSetWindowPos 0
-#   define TkWinWmCleanup 0
-#   define TkWinXCleanup 0
-#   define TkWinXInit 0
-#   define TkWinSetForegroundWindow 0
-#   define TkWinDialogDebug 0
-#   define TkWinGetMenuSystemDefault 0
-#   define TkWinGetPlatformId 0
-#   define TkWinSetHINSTANCE 0
-#   define TkWinGetPlatformTheme 0
-#   define TkWinChildProc 0
+	/* TODO: To be implemented for Cygwin */
+#	define Tk_AttachHWND 0
+#	define Tk_GetHWND 0
+#	define Tk_HWNDToWindow 0
+#	define Tk_PointerEvent 0
+#	define Tk_TranslateWinEvent 0
+#	define TkAlignImageData 0
+#	define TkGenerateActivateEvents 0
+#	define TkpGetMS 0
+#	define TkPointerDeadWindow 0
+#	define TkpSetCapture 0
+#	define TkpSetCursor 0
+#	define TkWinCancelMouseTimer 0
+#	define TkWinClipboardRender 0
+#	define TkWinEmbeddedEventProc 0
+#	define TkWinFillRect 0
+#	define TkWinGetBorderPixels 0
+#	define TkWinGetDrawableDC 0
+#	define TkWinGetModifierState 0
+#	define TkWinGetSystemPalette 0
+#	define TkWinGetWrapperWindow 0
+#	define TkWinHandleMenuEvent 0
+#	define TkWinIndexOfColor 0
+#	define TkWinReleaseDrawableDC 0
+#	define TkWinResendEvent 0
+#	define TkWinSelectPalette 0
+#	define TkWinSetMenu 0
+#	define TkWinSetWindowPos 0
+#	define TkWinWmCleanup 0
+#	define TkWinXCleanup 0
+#	define TkWinXInit 0
+#	define TkWinSetForegroundWindow 0
+#	define TkWinDialogDebug 0
+#	define TkWinGetMenuSystemDefault 0
+#	define TkWinGetPlatformId 0
+#	define TkWinSetHINSTANCE 0
+#	define TkWinGetPlatformTheme 0
+#	define TkWinChildProc 0
+
 #	endif /* __CYGWIN__ */
-#   endif /* !MAC_TCL && !MACC_OSX_TCL */
 #endif /* !__WIN32__ */
 
 /*
@@ -449,17 +432,14 @@ TkIntPlatStubs tkIntPlatStubs = {
     TkWinGetPlatformTheme, /* 35 */
     TkWinChildProc, /* 36 */
     TkCreateXEventSource, /* 37 */
-    TkFreeWindowId, /* 38 */
-    TkInitXId, /* 39 */
-    TkpCmapStressed, /* 40 */
-    TkpSync, /* 41 */
-    TkUnixContainerId, /* 42 */
-    TkUnixDoOneXEvent, /* 43 */
-    TkUnixSetMenubar, /* 44 */
-    TkWmCleanup, /* 45 */
-    TkSendCleanup, /* 46 */
-    TkFreeXId, /* 47 */
-    TkpTestsendCmd, /* 48 */
+    TkpCmapStressed, /* 38 */
+    TkpSync, /* 39 */
+    TkUnixContainerId, /* 40 */
+    TkUnixDoOneXEvent, /* 41 */
+    TkUnixSetMenubar, /* 42 */
+    TkWmCleanup, /* 43 */
+    TkSendCleanup, /* 44 */
+    TkpTestsendCmd, /* 45 */
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
     TkGenerateActivateEvents, /* 0 */
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c
index 7891a2c..2516e1c 100644
--- a/generic/tkTextDisp.c
+++ b/generic/tkTextDisp.c
@@ -18,6 +18,8 @@
 
 #ifdef __WIN32__
 #include "tkWinInt.h"
+#elif defined(__CYGWIN__)
+#include "tkUnixInt.h"
 #endif
 
 #ifdef MAC_OSX_TK
diff --git a/generic/tkWindow.c b/generic/tkWindow.c
index c432cbf..6892360 100644
--- a/generic/tkWindow.c
+++ b/generic/tkWindow.c
@@ -16,7 +16,7 @@
 
 #ifdef __WIN32__
 #include "tkWinInt.h"
-#elif !(defined(__WIN32__) || defined(MAC_OSX_TK))
+#elif !defined(MAC_OSX_TK)
 #include "tkUnixInt.h"
 #endif
 
@@ -860,9 +860,6 @@ TkCreateMainWindow(
 {
     Tk_Window tkwin;
     int dummy, isSafe;
-#if defined(__WIN32__) && !defined(STATIC_BUILD)
-    int isWin32 = 0;
-#endif
     Tcl_HashEntry *hPtr;
     register TkMainInfo *mainPtr;
     register TkWindow *winPtr;
@@ -870,14 +867,6 @@ TkCreateMainWindow(
     ClientData clientData;
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
 	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
-#if defined(__WIN32__) && !defined(STATIC_BUILD)
-    Tcl_Obj *stringObjPtr = Tcl_GetVar2Ex(interp, "::tcl_platform", "platform", 0);
-
-    if (stringObjPtr
-            && !strcmp(Tcl_GetString(stringObjPtr), "windows")) {
-        isWin32 = 1;
-    }
-#endif
 
     /*
      * Panic if someone updated the TkWindow structure without also updating
@@ -962,7 +951,8 @@ TkCreateMainWindow(
 	    Tcl_Panic("TkCreateMainWindow: builtin command with NULL string and object procs");
 	}
 #if defined(__WIN32__) && !defined(STATIC_BUILD)
-	if (!isWin32 && (cmdPtr->flags & WINMACONLY)) {
+	if ((cmdPtr->flags & WINMACONLY) && tclStubsPtr->reserved9) {
+	    /* We are running on Cygwin, so don't use the win32 dialogs */
 	    continue;
 	}
 #endif
@@ -3226,9 +3216,7 @@ Initialize(
 
     Tcl_SetMainLoop(Tk_MainLoop);
 
-#ifdef Tk_InitStubs
 #undef Tk_InitStubs
-#endif
 
     Tk_InitStubs(interp, TK_VERSION, 1);