Remove multiple deprecated internal API calls on OS X; streamline Apple Events implementation; thanks to Marc Culler for extensive patches

10 files changed, 565 insertions, 597 deletions

diff --git a/macosx/tkMacOSXDialog.c b/macosx/tkMacOSXDialog.c
index 4b19260..ca17195 100644
--- a/macosx/tkMacOSXDialog.c
+++ b/macosx/tkMacOSXDialog.c
@@ -14,6 +14,17 @@
 #include "tkMacOSXPrivate.h"
 #include "tkFileFilter.h"
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
+#define modalOK     NSOKButton
+#define modalCancel NSCancelButton
+#else
+#define modalOK     NSModalResponseOK
+#define modalCancel NSModalResponseCancel
+#endif
+#define modalOther  -1
+#define modalError  -2
+
+
 static const char *const colorOptionStrings[] = {
     "-initialcolor", "-parent", "-title", NULL
 };
@@ -130,6 +141,23 @@ static const short alertNativeButtonIndexAndTypeToButtonIndex[][3] = {
     [TYPE_YESNO] =		{5, 6, 0},
     [TYPE_YESNOCANCEL] =	{5, 6, 4},
 };
+
+/*
+ * Construct a file URL from directory and filename.  Either may
+ * be nil.  If both are nil, returns nil.
+ */
+#if MAC_OS_X_VERSION_MIN_REQUIRED > 1050
+static NSURL *getFileURL(NSString *directory, NSString *filename) {
+    NSURL *url = nil;
+    if (directory) {
+	url = [NSURL fileURLWithPath:directory];
+    }
+    if (filename) {
+	url = [NSURL URLWithString:filename relativeToURL:url];
+    }
+    return url;
+}
+#endif
 
 #pragma mark TKApplication(TKDialog)
 
@@ -149,12 +177,12 @@ static const short alertNativeButtonIndexAndTypeToButtonIndex[][3] = {
 
 	if (callbackInfo->multiple) {
 	    resultObj = Tcl_NewListObj(0, NULL);
-	    for (NSString *name in [(NSOpenPanel*)panel filenames]) {
+	    for (NSURL *url in [(NSOpenPanel*)panel URLs]) {
 		Tcl_ListObjAppendElement(callbackInfo->interp, resultObj,
-			Tcl_NewStringObj([name UTF8String], -1));
+			Tcl_NewStringObj([[url path] UTF8String], -1));
 	    }
 	} else {
-	    resultObj = Tcl_NewStringObj([[panel filename] UTF8String], -1);
+	    resultObj = Tcl_NewStringObj([[[panel URL]path] UTF8String], -1);
 	}
 	if (callbackInfo->cmdObj) {
 	    Tcl_Obj **objv, **tmpv;
@@ -189,7 +217,7 @@ static const short alertNativeButtonIndexAndTypeToButtonIndex[][3] = {
 {
     AlertCallbackInfo *callbackInfo = contextInfo;
 
-    if (returnCode != NSAlertErrorReturn) {
+    if (returnCode >= NSAlertFirstButtonReturn) {
 	Tcl_Obj *resultObj = Tcl_NewStringObj(alertButtonStrings[
 		alertNativeButtonIndexAndTypeToButtonIndex[callbackInfo->
 		typeIndex][returnCode - NSAlertFirstButtonReturn]], -1);
@@ -309,7 +337,7 @@ Tk_ChooseColorObjCmd(
 	[colorPanel setColor:initialColor];
     }
     returnCode = [NSApp runModalForWindow:colorPanel];
-    if (returnCode == NSOKButton) {
+    if (returnCode == modalOK) {
 	color = [[colorPanel color] colorUsingColorSpace:
 		[NSColorSpace genericRGBColorSpace]];
 	numberOfComponents = [color numberOfComponents];
@@ -369,7 +397,7 @@ Tk_GetOpenFileObjCmd(
     NSWindow *parent;
     NSMutableArray *fileTypes = nil;
     NSOpenPanel *panel = [NSOpenPanel openPanel];
-    NSInteger returnCode = NSAlertErrorReturn;
+    NSInteger modalReturnCode = modalError;
 
     TkInitFileFilters(&fl);
     for (i = 1; i < objc; i += 2) {
@@ -439,6 +467,7 @@ Tk_GetOpenFileObjCmd(
 	    break;
 	}
     }
+    [panel setAllowsMultipleSelection:multiple];
     if (fl.filters) {
 	fileTypes = [NSMutableArray array];
 	for (FileFilter *filterPtr = fl.filters; filterPtr;
@@ -471,7 +500,7 @@ Tk_GetOpenFileObjCmd(
 	    }
 	}
     }
-    [panel setAllowsMultipleSelection:multiple];
+    [panel setAllowedFileTypes:fileTypes];
     if (cmdObj) {
 	callbackInfo = ckalloc(sizeof(FilePanelCallbackInfo));
 	if (Tcl_IsShared(cmdObj)) {
@@ -484,19 +513,37 @@ Tk_GetOpenFileObjCmd(
     callbackInfo->multiple = multiple;
     parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
     if (haveParentOption && parent && ![parent attachedSheet]) {
-	[panel beginSheetForDirectory:directory file:filename types:fileTypes
-		modalForWindow:parent modalDelegate:NSApp didEndSelector:
-		@selector(tkFilePanelDidEnd:returnCode:contextInfo:)
-		contextInfo:callbackInfo];
-	returnCode = cmdObj ? NSAlertOtherReturn :
-		[NSApp runModalForWindow:panel];
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	[panel beginSheetForDirectory:directory
+	       file:filename
+	       types:fileTypes
+	       modalForWindow:parent
+	       modalDelegate:NSApp
+	       didEndSelector: 
+		   @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
+	       contextInfo:callbackInfo];
+#else
+	[panel setAllowedFileTypes:fileTypes];
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	[panel beginSheetModalForWindow:parent
+	       completionHandler:^(NSInteger returnCode)
+	       { [NSApp tkFilePanelDidEnd:panel
+		       returnCode:returnCode
+		       contextInfo:callbackInfo ]; } ];
+#endif
+	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
     } else {
-	returnCode = [panel runModalForDirectory:directory file:filename
-		types:fileTypes];
-	[NSApp tkFilePanelDidEnd:panel returnCode:returnCode
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	modalReturnCode = [panel runModalForDirectory:directory
+				 file:filename];
+#else
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	modalReturnCode = [panel runModal];
+#endif
+	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
 		contextInfo:callbackInfo];
     }
-    result = (returnCode != NSAlertErrorReturn) ? TCL_OK : TCL_ERROR;
+    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;
     if (typeVariablePtr && result == TCL_OK) {
 	/*
 	 * The -typevariable option is not really supported.
@@ -548,7 +595,7 @@ Tk_GetSaveFileObjCmd(
     NSWindow *parent;
     NSMutableArray *fileTypes = nil;
     NSSavePanel *panel = [NSSavePanel savePanel];
-    NSInteger returnCode = NSAlertErrorReturn;
+    NSInteger modalReturnCode = modalError;
 
     TkInitFileFilters(&fl);
     for (i = 1; i < objc; i += 2) {
@@ -665,18 +712,34 @@ Tk_GetSaveFileObjCmd(
     callbackInfo->multiple = 0;
     parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
     if (haveParentOption && parent && ![parent attachedSheet]) {
-	[panel beginSheetForDirectory:directory file:filename
-		modalForWindow:parent modalDelegate:NSApp didEndSelector:
-		@selector(tkFilePanelDidEnd:returnCode:contextInfo:)
-		contextInfo:callbackInfo];
-	returnCode = cmdObj ? NSAlertOtherReturn :
-		[NSApp runModalForWindow:panel];
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	[panel beginSheetForDirectory:directory
+	       file:filename
+	       modalForWindow:parent
+	       modalDelegate:NSApp
+	       didEndSelector: 
+		   @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
+	       contextInfo:callbackInfo];
+#else
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	[panel beginSheetModalForWindow:parent
+	       completionHandler:^(NSInteger returnCode)
+	       { [NSApp tkFilePanelDidEnd:panel
+		       returnCode:returnCode
+		       contextInfo:callbackInfo ]; } ];
+#endif
+	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
     } else {
-	returnCode = [panel runModalForDirectory:directory file:filename];
-	[NSApp tkFilePanelDidEnd:panel returnCode:returnCode
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	modalReturnCode = [panel runModalForDirectory:directory file:filename];
+#else
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	modalReturnCode = [panel runModal];
+#endif
+	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
 		contextInfo:callbackInfo];
     }
-    result = (returnCode != NSAlertErrorReturn) ? TCL_OK : TCL_ERROR;
+    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;
 
   end:
     TkFreeFileFilters(&fl);
@@ -719,7 +782,7 @@ Tk_ChooseDirectoryObjCmd(
     NSString *message, *title;
     NSWindow *parent;
     NSOpenPanel *panel = [NSOpenPanel openPanel];
-    NSInteger returnCode = NSAlertErrorReturn;
+    NSInteger modalReturnCode = modalError;
 
     for (i = 1; i < objc; i += 2) {
 	if (Tcl_GetIndexFromObjStruct(interp, objv[i], chooseOptionStrings,
@@ -787,18 +850,33 @@ Tk_ChooseDirectoryObjCmd(
     callbackInfo->multiple = 0;
     parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
     if (haveParentOption && parent && ![parent attachedSheet]) {
-	[panel beginSheetForDirectory:directory file:filename
-		modalForWindow:parent modalDelegate:NSApp didEndSelector:
-		@selector(tkFilePanelDidEnd:returnCode:contextInfo:)
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	[panel beginSheetForDirectory:directory
+		file:filename
+		modalForWindow:parent
+		modalDelegate:NSApp
+		didEndSelector: @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
 		contextInfo:callbackInfo];
-	returnCode = cmdObj ? NSAlertOtherReturn :
-		[NSApp runModalForWindow:panel];
+#else
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	[panel beginSheetModalForWindow:parent
+	       completionHandler:^(NSInteger returnCode)
+	       { [NSApp tkFilePanelDidEnd:panel
+		       returnCode:returnCode
+		       contextInfo:callbackInfo ]; } ];
+#endif
+	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
     } else {
-	returnCode = [panel runModalForDirectory:directory file:filename];
-	[NSApp tkFilePanelDidEnd:panel returnCode:returnCode
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+	modalReturnCode = [panel runModalForDirectory:directory file:nil];
+#else
+	[panel setDirectoryURL:getFileURL(directory, filename)];
+	modalReturnCode = [panel runModal];
+#endif
+	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
 		contextInfo:callbackInfo];
     }
-    result = (returnCode != NSAlertErrorReturn) ? TCL_OK : TCL_ERROR;
+    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;
 
   end:
     return result;
@@ -899,7 +977,7 @@ TkMacOSXStandardAboutPanelObjCmd(
 	Tcl_WrongNumArgs(interp, 1, objv, NULL);
 	return TCL_ERROR;
     }
-    [NSApp orderFrontStandardAboutPanelWithOptions:nil];
+    [NSApp orderFrontStandardAboutPanelWithOptions:[NSDictionary dictionary]];
     return TCL_OK;
 }
 
@@ -937,7 +1015,7 @@ Tk_MessageBoxObjCmd(
     NSWindow *parent;
     NSArray *buttons;
     NSAlert *alert = [NSAlert new];
-    NSInteger returnCode = NSAlertErrorReturn;
+    NSInteger modalReturnCode = 1;
 
     iconIndex = ICON_INFO;
     typeIndex = TYPE_OK;
@@ -1064,17 +1142,26 @@ Tk_MessageBoxObjCmd(
     callbackInfo->typeIndex = typeIndex;
     parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
     if (haveParentOption && parent && ![parent attachedSheet]) {
-	[alert beginSheetModalForWindow:parent modalDelegate:NSApp
-		didEndSelector:@selector(tkAlertDidEnd:returnCode:contextInfo:)
-		contextInfo:callbackInfo];
-	returnCode = cmdObj ? NSAlertOtherReturn :
-		[NSApp runModalForWindow:[alert window]];
+#if MAC_OS_X_VERSION_MIN_REQUIRED > 1090
+ 	[alert beginSheetModalForWindow:parent
+	       completionHandler:^(NSModalResponse returnCode)
+	       { [NSApp tkAlertDidEnd:alert
+			returnCode:returnCode
+			contextInfo:callbackInfo ]; } ];
+#else
+	[alert beginSheetModalForWindow:parent
+	       modalDelegate:NSApp
+	       didEndSelector:@selector(tkAlertDidEnd:returnCode:contextInfo:)
+	       contextInfo:callbackInfo];
+#endif
+	modalReturnCode = cmdObj ? 0 : 
+	    [NSApp runModalForWindow:[alert window]];
     } else {
-	returnCode = [alert runModal];
-	[NSApp tkAlertDidEnd:alert returnCode:returnCode
+	modalReturnCode = [alert runModal];
+	[NSApp tkAlertDidEnd:alert returnCode:modalReturnCode
 		contextInfo:callbackInfo];
     }
-    result = (returnCode != NSAlertErrorReturn) ? TCL_OK : TCL_ERROR;
+    result = (modalReturnCode < 1) ? TCL_OK : TCL_ERROR;
   end:
     [alert release];
     return result;
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c
index 4728fea..ed8c428 100644
--- a/macosx/tkMacOSXDraw.c
+++ b/macosx/tkMacOSXDraw.c
@@ -675,7 +675,7 @@ GetCGContextForDrawable(
 
 	if (macDraw->flags & TK_IS_BW_PIXMAP) {
 	    bitsPerPixel = 8;
-	    bitmapInfo = kCGImageAlphaOnly;
+	    bitmapInfo = (CGBitmapInfo)kCGImageAlphaOnly;
 	} else {
 	    colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
 	    bitsPerPixel = 32;
diff --git a/macosx/tkMacOSXFont.c b/macosx/tkMacOSXFont.c
index 45a68f7..54b0fb8 100644
--- a/macosx/tkMacOSXFont.c
+++ b/macosx/tkMacOSXFont.c
@@ -15,6 +15,19 @@
 #include "tkMacOSXPrivate.h"
 #include "tkMacOSXFont.h"
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1080
+#define defaultOrientation kCTFontDefaultOrientation
+#define verticalOrientation kCTFontVerticalOrientation
+#else
+#define defaultOrientation kCTFontOrientationDefault
+#define verticalOrientation kCTFontOrientationVertical
+#endif
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 101100
+#define fixedPitch kCTFontUserFixedPitchFontType
+#else
+#define fixedPitch kCTFontUIFontUserFixedPitch
+#endif
+
 /*
 #ifdef TK_MAC_DEBUG
 #define TK_MAC_DEBUG_FONTS
@@ -270,7 +283,7 @@ InitFont(
 	fmPtr->fixed = [nsFont advancementForGlyph:glyphs[0]].width ==
 		[nsFont advancementForGlyph:glyphs[1]].width;
 	bounds = NSRectFromCGRect(CTFontGetBoundingRectsForGlyphs((CTFontRef)
-		nsFont, kCTFontDefaultOrientation, ch, boundingRects, nCh));
+		nsFont, defaultOrientation, ch, boundingRects, nCh));
 	kern = [nsFont advancementForGlyph:glyphs[2]].width -
 		[fontPtr->nsFont advancementForGlyph:glyphs[2]].width;
     }
@@ -382,8 +395,7 @@ TkpFontPkgInit(
 	systemFont++;
     }
     TkInitFontAttributes(&fa);
-    nsFont = (NSFont*) CTFontCreateUIFontForLanguage(
-	    kCTFontUserFixedPitchFontType, 11, NULL);
+    nsFont = (NSFont*) CTFontCreateUIFontForLanguage(fixedPitch, 11, NULL);
     if (nsFont) {
 	GetTkFontAttributesForNSFont(nsFont, &fa);
 	CFRelease(nsFont);
diff --git a/macosx/tkMacOSXHLEvents.c b/macosx/tkMacOSXHLEvents.c
index daf860f..47033b0 100644
--- a/macosx/tkMacOSXHLEvents.c
+++ b/macosx/tkMacOSXHLEvents.c
@@ -7,12 +7,15 @@
  * Copyright (c) 1995-1997 Sun Microsystems, Inc.
  * Copyright 2001-2009, Apple Inc.
  * Copyright (c) 2006-2009 Daniel A. Steffen <das@users.sourceforge.net>
+ * Copyright (c) 2015 Marc Culler
  *
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  */
 
 #include "tkMacOSXPrivate.h"
+#include <sys/param.h>
+#define URL_MAX_LENGTH (17 + MAXPATHLEN)
 
 /*
  * This is a Tcl_Event structure that the Quit AppleEvent handler uses to
@@ -30,154 +33,32 @@ typedef struct KillEvent {
  * Static functions used only in this file.
  */
 
-static OSErr		QuitHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		OappHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		RappHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		OdocHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		PrintHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		ScriptHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static OSErr		PrefsHandler(const AppleEvent *event,
-			    AppleEvent *reply, SRefCon handlerRefcon);
-static int		MissedAnyParameters(const AppleEvent *theEvent);
-static int		ReallyKillMe(Tcl_Event *eventPtr, int flags);
-static OSStatus		FSRefToDString(const FSRef *fsref, Tcl_DString *ds);
+static void tkMacOSXProcessFiles(NSAppleEventDescriptor* event, 
+				 NSAppleEventDescriptor* replyEvent,
+				 Tcl_Interp *interp,
+				 char* procedure);
+static int  MissedAnyParameters(const AppleEvent *theEvent);
+static int  ReallyKillMe(Tcl_Event *eventPtr, int flags);
 
 #pragma mark TKApplication(TKHLEvents)
 
 @implementation TKApplication(TKHLEvents)
 - (void) terminate: (id) sender
 {
-    QuitHandler(NULL, NULL, (SRefCon) _eventInterp);
+    [self handleQuitApplicationEvent:Nil withReplyEvent:Nil];
 }
 
 - (void) preferences: (id) sender
 {
-    PrefsHandler(NULL, NULL, (SRefCon) _eventInterp);
+    [self handleShowPreferencesEvent:Nil withReplyEvent:Nil];
 }
-@end
-
-#pragma mark -
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXInitAppleEvents --
- *
- *	Initilize the Apple Events on the Macintosh. This registers the core
- *	event handlers.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
 
-void
-TkMacOSXInitAppleEvents(
-    Tcl_Interp *interp)		/* Interp to handle basic events. */
+- (void) handleQuitApplicationEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
 {
-    AEEventHandlerUPP OappHandlerUPP, RappHandlerUPP, OdocHandlerUPP;
-    AEEventHandlerUPP PrintHandlerUPP, QuitHandlerUPP, ScriptHandlerUPP;
-    AEEventHandlerUPP PrefsHandlerUPP;
-    static Boolean initialized = FALSE;
-
-    if (!initialized) {
-	initialized = TRUE;
-
-	/*
-	 * Install event handlers for the core apple events.
-	 */
-
-	QuitHandlerUPP = NewAEEventHandlerUPP(QuitHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEQuitApplication,
-		QuitHandlerUPP, (SRefCon) interp, false);
-
-	OappHandlerUPP = NewAEEventHandlerUPP(OappHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEOpenApplication,
-		OappHandlerUPP, (SRefCon) interp, false);
-
-	RappHandlerUPP = NewAEEventHandlerUPP(RappHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEReopenApplication,
-		RappHandlerUPP, (SRefCon) interp, false);
-
-	OdocHandlerUPP = NewAEEventHandlerUPP(OdocHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEOpenDocuments,
-		OdocHandlerUPP, (SRefCon) interp, false);
-
-	PrintHandlerUPP = NewAEEventHandlerUPP(PrintHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEPrintDocuments,
-		PrintHandlerUPP, (SRefCon) interp, false);
-
-	PrefsHandlerUPP = NewAEEventHandlerUPP(PrefsHandler);
-	ChkErr(AEInstallEventHandler, kCoreEventClass, kAEShowPreferences,
-		PrefsHandlerUPP, (SRefCon) interp, false);
-
-	if (interp) {
-	    ScriptHandlerUPP = NewAEEventHandlerUPP(ScriptHandler);
-	    ChkErr(AEInstallEventHandler, kAEMiscStandards, kAEDoScript,
-		    ScriptHandlerUPP, (SRefCon) interp, false);
-	}
-    }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXDoHLEvent --
- *
- *	Dispatch incomming highlevel events.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	Depends on the incoming event.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TkMacOSXDoHLEvent(
-    void *theEvent)
-{
-    return AEProcessAppleEvent((EventRecord *)theEvent);
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * QuitHandler --
- *
- *	This is the 'quit' core Apple event handler.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-
-static OSErr
-QuitHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
-{
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
     KillEvent *eventPtr;
 
-    if (interp) {
+    if (_eventInterp) {
 	/*
 	 * Call the exit command from the event loop, since you are not
 	 * supposed to call ExitToShell in an Apple Event Handler. We put this
@@ -188,233 +69,221 @@ QuitHandler(
 
 	eventPtr = ckalloc(sizeof(KillEvent));
 	eventPtr->header.proc = ReallyKillMe;
-	eventPtr->interp = interp;
+	eventPtr->interp = _eventInterp;
 
 	Tcl_QueueEvent((Tcl_Event *) eventPtr, TCL_QUEUE_HEAD);
     }
-    return noErr;
 }
-
-/*
- *----------------------------------------------------------------------
- *
- * OappHandler --
- *
- *	This is the 'oapp' core Apple event handler.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
 
-static OSErr
-OappHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
+- (void) handleOpenApplicationEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
 {
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
+   Tcl_Interp *interp = _eventInterp;
 
     if (interp &&
-	    Tcl_FindCommand(interp, "::tk::mac::OpenApplication", NULL, 0)){
-	int code = Tcl_EvalEx(interp, "::tk::mac::OpenApplication", -1, TCL_EVAL_GLOBAL);
+	Tcl_FindCommand(_eventInterp, "::tk::mac::OpenApplication", NULL, 0)){
+	int code = Tcl_EvalEx(_eventInterp, "::tk::mac::OpenApplication",
+			      -1, TCL_EVAL_GLOBAL);
 	if (code != TCL_OK) {
-	    Tcl_BackgroundException(interp, code);
+	    Tcl_BackgroundException(_eventInterp, code);
 	}
     }
-    return noErr;
 }
-
-/*
- *----------------------------------------------------------------------
- *
- * RappHandler --
- *
- *	This is the 'rapp' core Apple event handler.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
 
-static OSErr
-RappHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
+- (void) handleReopenApplicationEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
 {
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
     ProcessSerialNumber thePSN = {0, kCurrentProcess};
-    OSStatus err = ChkErr(SetFrontProcess, &thePSN);
-
-    if (interp && Tcl_FindCommand(interp,
+    SetFrontProcess(&thePSN);
+#else
+    [[NSApplication sharedApplication] activateIgnoringOtherApps: YES];
+#endif
+    if (_eventInterp && Tcl_FindCommand(_eventInterp,
 	    "::tk::mac::ReopenApplication", NULL, 0)) {
-	int code = Tcl_EvalEx(interp, "::tk::mac::ReopenApplication", -1, TCL_EVAL_GLOBAL);
+	int code = Tcl_EvalEx(_eventInterp, "::tk::mac::ReopenApplication",
+			      -1, TCL_EVAL_GLOBAL);
 	if (code != TCL_OK){
-	    Tcl_BackgroundException(interp, code);
+	    Tcl_BackgroundException(_eventInterp, code);
 	}
     }
-    return err;
 }
-
-/*
- *----------------------------------------------------------------------
- *
- * PrefsHandler --
- *
- *	This is the 'pref' core Apple event handler. Called when the user
- *	selects 'Preferences...' in MacOS X
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
 
-static OSErr
-PrefsHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
+- (void) handleShowPreferencesEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
 {
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
-
-    if (interp &&
-	    Tcl_FindCommand(interp, "::tk::mac::ShowPreferences", NULL, 0)){
-	int code = Tcl_EvalEx(interp, "::tk::mac::ShowPreferences", -1, TCL_EVAL_GLOBAL);
+    if (_eventInterp &&
+	    Tcl_FindCommand(_eventInterp, "::tk::mac::ShowPreferences", NULL, 0)){
+	int code = Tcl_EvalEx(_eventInterp, "::tk::mac::ShowPreferences",
+			      -1, TCL_EVAL_GLOBAL);
 	if (code != TCL_OK) {
-	    Tcl_BackgroundException(interp, code);
+	    Tcl_BackgroundException(_eventInterp, code);
 	}
     }
-    return noErr;
 }
-
-/*
- *----------------------------------------------------------------------
- *
- * OdocHandler --
- *
- *	This is the 'odoc' core Apple event handler.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
 
-static OSErr
-OdocHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
+- (void) handleOpenDocumentsEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
 {
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
-    AEDescList fileSpecList;
-    FSRef file;
-    DescType type;
-    Size actual;
-    long count, index;
-    AEKeyword keyword;
-    Tcl_DString command, pathName;
-    int code;
+    tkMacOSXProcessFiles(event, replyEvent, _eventInterp, "::tk::mac::OpenDocument");
+}
 
-    /*
-     * Don't bother if we don't have an interp or the open document procedure
-     * doesn't exist.
-     */
+- (void) handlePrintDocumentsEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
+{
+    tkMacOSXProcessFiles(event, replyEvent, _eventInterp, "::tk::mac::PrintDocument");
+}
 
-    if (!interp ||
-	    !Tcl_FindCommand(interp, "::tk::mac::OpenDocument", NULL, 0)) {
-	return noErr;
-    }
+- (void) handleDoScriptEvent: (NSAppleEventDescriptor *)event 
+    withReplyEvent: (NSAppleEventDescriptor *)replyEvent
+{
+    OSStatus err;
+    const AEDesc *theDesc = nil;
+    DescType type = 0, initialType = 0;
+    Size actual;
+    int tclErr = -1;
+    char URLBuffer[1 + URL_MAX_LENGTH];
+    char errString[128];
+    char typeString[5];
 
     /*
-     * If we get any errors while retrieving our parameters we just return with
-     * no error.
+     * The DoScript event receives one parameter that should be text data or a
+     * fileURL.
      */
 
-    if (ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList,
-	    &fileSpecList) != noErr) {
-	return noErr;
+    theDesc = [event aeDesc];
+    if (theDesc == nil) {
+	return;
     }
-    if (MissedAnyParameters(event) != noErr) {
-	return noErr;
+
+    err = AEGetParamPtr(theDesc, keyDirectObject, typeWildCard, &initialType,
+			NULL, 0, NULL);
+    if (err != noErr) {
+	sprintf(errString, "AEDoScriptHandler: GetParamDesc error %d", (int)err);
+	AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyErrorString, typeChar,
+		      errString, strlen(errString));
+	return;
     }
-    if (ChkErr(AECountItems, &fileSpecList, &count) != noErr) {
-	return noErr;
+    
+    if (MissedAnyParameters((AppleEvent*)theDesc)) {
+    	sprintf(errString, "AEDoScriptHandler: extra parameters");
+    	AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyErrorString, typeChar,
+    		      errString, strlen(errString));
+    	return;
     }
 
-    /*
-     * Convert our parameters into a script to evaluate, skipping things that
-     * we can't handle right.
-     */
-
-    Tcl_DStringInit(&command);
-    Tcl_DStringAppend(&command, "::tk::mac::OpenDocument", -1);
-    for (index = 1; index <= count; index++) {
-	if (ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, &keyword,
-		&type, (Ptr) &file, sizeof(FSRef), &actual) != noErr) {
-	    continue;
+    if (initialType == typeFileURL || initialType == typeAlias) {
+	/*
+	 * The descriptor can be coerced to a file url.  Source the file, or
+	 * pass the path as a string argument to ::tk::mac::DoScriptFile if
+	 * that procedure exists.
+	 */
+	err = AEGetParamPtr(theDesc, keyDirectObject, typeFileURL, &type,
+			    (Ptr) URLBuffer, URL_MAX_LENGTH, &actual);
+	if (err == noErr && actual > 0){
+	    URLBuffer[actual] = '\0';
+	    NSString *urlString = [NSString stringWithUTF8String:(char*)URLBuffer];
+	    NSURL *fileURL = [NSURL URLWithString:urlString];
+	    Tcl_DString command;
+	    Tcl_DStringInit(&command);
+	    if (Tcl_FindCommand(_eventInterp, "::tk::mac::DoScriptFile", NULL, 0)){
+		Tcl_DStringAppend(&command, "::tk::mac::DoScriptFile", -1);
+	    } else {
+		Tcl_DStringAppend(&command, "source", -1);
+	    }
+	    Tcl_DStringAppendElement(&command, [[fileURL path] UTF8String]);
+	    tclErr = Tcl_EvalEx(_eventInterp, Tcl_DStringValue(&command),
+				 Tcl_DStringLength(&command), TCL_EVAL_GLOBAL);
 	}
-
-	if (ChkErr(FSRefToDString, &file, &pathName) == noErr) {
-	    Tcl_DStringAppendElement(&command, Tcl_DStringValue(&pathName));
-	    Tcl_DStringFree(&pathName);
+    } else if (noErr == AEGetParamPtr(theDesc, keyDirectObject, typeUTF8Text, &type,
+			   NULL, 0, &actual)) {
+	if (actual > 0) {
+	    /*
+	     * The descriptor can be coerced to UTF8 text.  Evaluate as Tcl, or
+	     * or pass the text as a string argument to ::tk::mac::DoScriptText
+	     * if that procedure exists.
+	     */ 
+	    char *data = ckalloc(actual + 1);
+	    if (noErr == AEGetParamPtr(theDesc, keyDirectObject, typeUTF8Text, &type,
+			    data, actual, NULL)) {
+		if (Tcl_FindCommand(_eventInterp, "::tk::mac::DoScriptText", NULL, 0)){
+		    Tcl_DString command;
+		    Tcl_DStringInit(&command);
+		    Tcl_DStringAppend(&command, "::tk::mac::DoScriptText", -1);
+		    Tcl_DStringAppendElement(&command, data);
+		    tclErr = Tcl_EvalEx(_eventInterp, Tcl_DStringValue(&command),
+				 Tcl_DStringLength(&command), TCL_EVAL_GLOBAL);
+		} else {
+		    tclErr = Tcl_EvalEx(_eventInterp, data, actual, TCL_EVAL_GLOBAL);
+		}
+	    }
+	    ckfree(data);
+	}
+    } else {
+	/*
+	 * The descriptor can not be coerced to a fileURL or UTF8 text.
+	 */
+	for (int i = 0; i < 4; i++) {
+	    typeString[i] = ((char*)&initialType)[3-i];
 	}
+	typeString[4] = '\0';
+	sprintf(errString, "AEDoScriptHandler: invalid script type '%s', "
+		"must be coercable to 'furl' or 'utf8'", typeString);
+	AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyErrorString, typeChar, errString,
+		      strlen(errString));
     }
-
     /*
-     * Now handle the event by evaluating a script.
+     * If we ran some Tcl code, put the result in the reply.
      */
-
-    code = Tcl_EvalEx(interp, Tcl_DStringValue(&command),
-	    Tcl_DStringLength(&command), TCL_EVAL_GLOBAL);
-    if (code != TCL_OK) {
-	Tcl_BackgroundException(interp, code);
+    if (tclErr >= 0) {
+	int reslen;
+	const char *result =
+	    Tcl_GetStringFromObj(Tcl_GetObjResult(_eventInterp), &reslen);
+	if (tclErr == TCL_OK) {
+	    AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyDirectObject, typeChar,
+			  result, reslen);
+	} else {
+	    AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyErrorString, typeChar,
+			  result, reslen);
+	    AEPutParamPtr((AppleEvent*)[replyEvent aeDesc], keyErrorNumber, typeSInt32,
+			  (Ptr) &tclErr,sizeof(int));
+	}
     }
-    Tcl_DStringFree(&command);
-    return noErr;
+    return;
 }
-
+@end
+
+#pragma mark -
+
 /*
  *----------------------------------------------------------------------
  *
- * PrintHandler --
+ * TkMacOSXProcessFiles --
  *
- *	This is the 'pdoc' core Apple event handler.
+ *	Extract a list of fileURLs from an AppleEvent and call the specified
+ *      procedure with the file paths as arguments.
  *
  * Results:
  *	None.
  *
  * Side effects:
- *	None.
+ *	The event is handled by running the procedure.
  *
  *----------------------------------------------------------------------
  */
 
-static OSErr
-PrintHandler(
-    const AppleEvent * event,
-    AppleEvent * reply,
-    SRefCon handlerRefcon)
+static void
+tkMacOSXProcessFiles(
+    NSAppleEventDescriptor* event, 
+    NSAppleEventDescriptor* replyEvent,
+    Tcl_Interp *interp,
+    char* procedure)
 {
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
-    AEDescList fileSpecList;
-    FSRef file;
+    Tcl_Encoding utf8 = Tcl_GetEncoding(NULL, "utf-8");
+    const AEDesc *fileSpecDesc = nil;
+    AEDesc contents;
+    char URLString[1 + URL_MAX_LENGTH];
+    NSURL *fileURL;
     DescType type;
     Size actual;
     long count, index;
@@ -423,47 +292,67 @@ PrintHandler(
     int code;
 
     /*
-     * Don't bother if we don't have an interp or the print document procedure
-     * doesn't exist.
+     * Do nothing if we don't have an interpreter or the procedure doesn't exist.
      */
 
-    if (!interp ||
-	    !Tcl_FindCommand(interp, "::tk::mac::PrintDocument", NULL, 0)) {
-	return noErr;
+    if (!interp || !Tcl_FindCommand(interp, procedure, NULL, 0)) {
+	return;
     }
-
+    
+    fileSpecDesc = [event aeDesc];
+    if (fileSpecDesc == nil ) {
+    	return;
+    }
+    
     /*
-     * If we get any errors while retrieving our parameters we just return with
-     * no error.
+     * The AppleEvent's descriptor should either contain a value of
+     * typeObjectSpecifier or typeAEList.  In the first case, the descriptor
+     * can be treated as a list of size 1 containing a value which can be
+     * coerced into a fileURL. In the second case we want to work with the list
+     * itself.  Values in the list will be coerced into fileURL's if possible;
+     * otherwise they will be ignored.
      */
-
-    if (ChkErr(AEGetParamDesc, event, keyDirectObject, typeAEList,
-	    &fileSpecList) != noErr) {
-	return noErr;
-    }
-    if (ChkErr(MissedAnyParameters, event) != noErr) {
-	return noErr;
+    
+    /* Get a copy of the AppleEvent's descriptor. */
+    AEGetParamDesc(fileSpecDesc, keyDirectObject, typeWildCard, &contents);
+    if (contents.descriptorType == typeAEList) {
+    	fileSpecDesc = &contents;
     }
-    if (ChkErr(AECountItems, &fileSpecList, &count) != noErr) {
-	return noErr;
+    
+    if (AECountItems(fileSpecDesc, &count) != noErr) {
+	AEDisposeDesc(&contents);
+    	return;
     }
-
+    
+    /*    
+     * Construct a Tcl command which calls the procedure, passing the
+     * paths contained in the AppleEvent as arguments.
+     */
+    
     Tcl_DStringInit(&command);
-    Tcl_DStringAppend(&command, "::tk::mac::PrintDocument", -1);
+    Tcl_DStringAppend(&command, procedure, -1);
+
     for (index = 1; index <= count; index++) {
-	if (ChkErr(AEGetNthPtr, &fileSpecList, index, typeFSRef, &keyword,
-		&type, (Ptr) &file, sizeof(FSRef), &actual) != noErr) {
+	if (noErr != AEGetNthPtr(fileSpecDesc, index, typeFileURL, &keyword,
+				 &type, (Ptr) URLString, URL_MAX_LENGTH, &actual)) {
 	    continue;
 	}
-
-	if (ChkErr(FSRefToDString, &file, &pathName) == noErr) {
-	    Tcl_DStringAppendElement(&command, Tcl_DStringValue(&pathName));
-	    Tcl_DStringFree(&pathName);
+	if (type != typeFileURL) {
+	    continue;
+	}
+	URLString[actual] = '\0';
+	fileURL = [NSURL URLWithString:[NSString stringWithUTF8String:(char*)URLString]]; 
+	if (fileURL == nil) {
+	    continue;
 	}
+	Tcl_ExternalToUtfDString(utf8, [[fileURL path] UTF8String], -1, &pathName);
+	Tcl_DStringAppendElement(&command, Tcl_DStringValue(&pathName));
+	Tcl_DStringFree(&pathName);
     }
+    AEDisposeDesc(&contents);
 
     /*
-     * Now handle the event by evaluating a script.
+     * Handle the event by evaluating the Tcl expression we constructed.
      */
 
     code = Tcl_EvalEx(interp, Tcl_DStringValue(&command),
@@ -472,18 +361,19 @@ PrintHandler(
 	Tcl_BackgroundException(interp, code);
     }
     Tcl_DStringFree(&command);
-    return noErr;
+    return;
 }
 
 /*
  *----------------------------------------------------------------------
  *
- * ScriptHandler --
+ * TkMacOSXInitAppleEvents --
  *
- *	This handler process the script event.
+ *	Register AppleEvent handlers with the NSAppleEventManager for
+ *      this NSApplication.
  *
  * Results:
- *	Schedules the given event to be processed.
+ *	None.
  *
  * Side effects:
  *	None.
@@ -491,112 +381,91 @@ PrintHandler(
  *----------------------------------------------------------------------
  */
 
-static OSErr
-ScriptHandler(
-    const AppleEvent *event,
-    AppleEvent *reply,
-    SRefCon handlerRefcon)
+void
+TkMacOSXInitAppleEvents(
+    Tcl_Interp *interp)   /* not used */
 {
-    OSStatus theErr;
-    AEDescList theDesc;
-    Size size;
-    int tclErr = -1;
-    Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
-    char errString[128];
+    NSAppleEventManager *aeManager = [NSAppleEventManager sharedAppleEventManager];
+    static Boolean initialized = FALSE;
 
-    /*
-     * The do script event receives one parameter that should be data or a
-     * file.
-     */
+    if (!initialized) {
+	initialized = TRUE;
 
-    theErr = AEGetParamDesc(event, keyDirectObject, typeWildCard,
-	    &theDesc);
-    if (theErr != noErr) {
-	sprintf(errString, "AEDoScriptHandler: GetParamDesc error %d",
-		(int)theErr);
-	theErr = AEPutParamPtr(reply, keyErrorString, typeChar, errString,
-		strlen(errString));
-    } else if (MissedAnyParameters(event)) {
-	/*
-	 * Return error if parameter is missing.
-	 */
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleQuitApplicationEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEQuitApplication];
 
-	sprintf(errString, "AEDoScriptHandler: extra parameters");
-	AEPutParamPtr(reply, keyErrorString, typeChar, errString,
-		strlen(errString));
-	theErr = -1771;
-    } else if (theDesc.descriptorType == (DescType) typeAlias &&
-	    AEGetParamPtr(event, keyDirectObject, typeFSRef, NULL, NULL,
-	    0, &size) == noErr && size == sizeof(FSRef)) {
-	/*
-	 * We've had a file sent to us. Source it.
-	 */
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleOpenApplicationEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEOpenApplication];
 
-	FSRef file;
-	theErr = AEGetParamPtr(event, keyDirectObject, typeFSRef, NULL, &file,
-		size, NULL);
-	if (theErr == noErr) {
-	    Tcl_DString scriptName;
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleReopenApplicationEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEReopenApplication];
 
-	    theErr = FSRefToDString(&file, &scriptName);
-	    if (theErr == noErr) {
-	        Tcl_Obj *pathName =
-			Tcl_NewStringObj(Tcl_DStringValue(&scriptName), -1);
-		Tcl_DStringFree(&scriptName);
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleShowPreferencesEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEShowPreferences];
 
-		tclErr = Tcl_FSEvalFile(interp, pathName);
-		Tcl_DecrRefCount(pathName);
-	    } else {
-		sprintf(errString, "AEDoScriptHandler: file not found");
-		AEPutParamPtr(reply, keyErrorString, typeChar, errString,
-			strlen(errString));
-	    }
-	}
-    } else if (AEGetParamPtr(event, keyDirectObject, typeUTF8Text, NULL, NULL,
-	    0, &size) == noErr && size) {
-	/*
-	 * We've had some data sent to us. Evaluate it.
-	 */
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleOpenDocumentsEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEOpenDocuments];
 
-	char *data = ckalloc(size + 1);
-	theErr = AEGetParamPtr(event, keyDirectObject, typeUTF8Text, NULL, data,
-		size, NULL);
-	if (theErr == noErr) {
-	    tclErr = Tcl_EvalEx(interp, data, size, TCL_EVAL_GLOBAL);
-	}
-    } else {
-	/*
-	 * Umm, don't recognize what we've got...
-	 */
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleOpenDocumentsEvent:withReplyEvent:)
+	    forEventClass:kCoreEventClass andEventID:kAEPrintDocuments];
 
-	sprintf(errString, "AEDoScriptHandler: invalid script type '%-4.4s', "
-		"must be 'alis' or coercable to 'utf8'",
-		(char*) &theDesc.descriptorType);
-	AEPutParamPtr(reply, keyErrorString, typeChar, errString,
-		strlen(errString));
-	theErr = -1770;
+	[aeManager setEventHandler:NSApp
+	    andSelector:@selector(handleDoScriptEvent:withReplyEvent:)
+	    forEventClass:kAEMiscStandards andEventID:kAEDoScript];
     }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXDoHLEvent --
+ *
+ *	Dispatch an AppleEvent.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Depend on the AppleEvent.
+ *
+ *----------------------------------------------------------------------
+ */
 
-    /*
-     * If we actually go to run Tcl code - put the result in the reply.
+int
+TkMacOSXDoHLEvent(
+    void *theEvent)
+{
+    /* According to the NSAppleEventManager reference:
+     *   "The theReply parameter always specifies a reply Apple event, never
+     *   nil.  However, the handler should not fill out the reply if the
+     *   descriptor type for the reply event is typeNull, indicating the sender
+     *   does not want a reply."
+     * The specified way to build such a non-nil descriptor is used here.  But
+     * on OSX 10.11, the compiler nonetheless generates a warning.  I am
+     * supressing the warning here -- maybe the warnings will stop in a future
+     * compiler release.
      */
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wnonnull"
+#endif
 
-    if (tclErr >= 0) {
-	int reslen;
-	const char *result =
-		Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &reslen);
+    NSAppleEventDescriptor* theReply = [NSAppleEventDescriptor nullDescriptor];
+    NSAppleEventManager *aeManager = [NSAppleEventManager sharedAppleEventManager];
 
-	if (tclErr == TCL_OK) {
-	    AEPutParamPtr(reply, keyDirectObject, typeChar, result, reslen);
-	} else {
-	    AEPutParamPtr(reply, keyErrorString, typeChar, result, reslen);
-	    AEPutParamPtr(reply, keyErrorNumber, typeSInt32, (Ptr) &tclErr,
-		    sizeof(int));
-	}
-    }
+    return [aeManager dispatchRawAppleEvent:(const AppleEvent*)theEvent
+		      withRawReply: (AppleEvent *)theReply
+		      handlerRefCon: (SRefCon)0];
 
-    AEDisposeDesc(&theDesc);
-    return theErr;
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
 }
 
 /*
@@ -604,8 +473,8 @@ ScriptHandler(
  *
  * ReallyKillMe --
  *
- *	This proc tries to kill the shell by running exit, called from an
- *	event scheduled by the "Quit" AppleEvent handler.
+ *	This procedure tries to kill the shell by running exit, called from
+ *      an event scheduled by the "Quit" AppleEvent handler.
  *
  * Results:
  *	Runs the "exit" command which might kill the shell.
@@ -665,37 +534,7 @@ MissedAnyParameters(
    return (err != errAEDescNotFound);
 }
 
-/*
- *----------------------------------------------------------------------
- *
- * FSRefToDString --
- *
- *	Get a POSIX path from an FSRef.
- *
- * Results:
- *	In the parameter ds.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-
-static OSStatus
-FSRefToDString(
-    const FSRef *fsref,
-    Tcl_DString *ds)
-{
-    UInt8 fileName[PATH_MAX+1];
-    OSStatus err;
 
-    err = ChkErr(FSRefMakePath, fsref, fileName, sizeof(fileName));
-    if (err == noErr) {
-	Tcl_ExternalToUtfDString(NULL, (char*) fileName, -1, ds);
-    }
-    return err;
-}
-
 /*
  * Local Variables:
  * mode: objc
diff --git a/macosx/tkMacOSXMenu.c b/macosx/tkMacOSXMenu.c
index ed22640..0c078ce 100644
--- a/macosx/tkMacOSXMenu.c
+++ b/macosx/tkMacOSXMenu.c
@@ -792,7 +792,7 @@ TkpPostMenu(
     NSRect frame = NSMakeRect(x + 9, tkMacOSXZeroScreenHeight - y - 9, 1, 1);
 
     frame.origin = [view convertPoint:
-	    [win convertScreenToBase:frame.origin] fromView:nil];
+	    [win convertPointFromScreen:frame.origin] fromView:nil];
 
     NSMenu *menu = (NSMenu *) menuPtr->platformData;
     NSPopUpButtonCell *popUpButtonCell = [[NSPopUpButtonCell alloc]
diff --git a/macosx/tkMacOSXMouseEvent.c b/macosx/tkMacOSXMouseEvent.c
index 1fdbc52..c4197f7 100644
--- a/macosx/tkMacOSXMouseEvent.c
+++ b/macosx/tkMacOSXMouseEvent.c
@@ -26,49 +26,7 @@ typedef struct {
 
 static int		GenerateButtonEvent(MouseEventData *medPtr);
 static unsigned int	ButtonModifiers2State(UInt32 buttonState,
-			    UInt32 keyModifiers);
-
-#pragma mark NSWindow(TKMouseEvent)
-
-/* Conversion of coordinates between window and screen */
-@interface NSWindow(TKWm)
-- (NSPoint) convertPointToScreen:(NSPoint)point;
-- (NSPoint) convertPointFromScreen:(NSPoint)point;
-@end
-
-@implementation NSWindow(TKMouseEvent)
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
-- (NSPoint) convertPointToScreen: (NSPoint) point
-{
-    return [self convertBaseToScreen:point];
-}
-- (NSPoint) convertPointFromScreen: (NSPoint)point
-{
-    return [self convertScreenToBase:point];
-}
-@end
-#else
-- (NSPoint) convertPointToScreen: (NSPoint) point
-{
-    NSRect pointrect;
-    pointrect.origin = point;
-    pointrect.size.width = 0;
-    pointrect.size.height = 0;
-    return [self convertRectToScreen:pointrect].origin;
-}
-- (NSPoint) convertPointFromScreen: (NSPoint)point
-{
-    NSRect pointrect;
-    pointrect.origin = point;
-    pointrect.size.width = 0;
-    pointrect.size.height = 0;
-    return [self convertRectFromScreen:pointrect].origin;
-}
-@end
-#endif
-
-#pragma mark -
-
+					      UInt32 keyModifiers);
 
 #pragma mark TKApplication(TKMouseEvent)
 
@@ -77,14 +35,12 @@ enum {
 };
 /*
  * In OS X 10.6 an NSEvent of type NSMouseMoved would always have a non-Nil
- * window attribute when the mouse was inside a window.  As of 10.8 this
- * behavior had changed.  The new behavior was that if the mouse were ever
- * moved outside of a window, all subsequent NSMouseMoved NSEvents would have a
- * Nil window attribute.  To work around this we remember which window the
- * mouse is in by saving the window attribute of each NSEvent of type
- * NSMouseEntered.  If an NSEvent has a Nil window attribute we use our saved
- * window.  It may be the case that the mouse has actually left the window, but
- * this is harmless since Tk will ignore the event in that case.
+ * window attribute pointing to the active window.  As of 10.8 this behavior
+ * had changed.  The new behavior was that if the mouse were ever moved outside
+ * of a window, all subsequent NSMouseMoved NSEvents would have a Nil window
+ * attribute.  To work around this the TKApplication remembers the last non-Nil
+ * window that it received in a mouse event. If it receives an NSEvent with a
+ * Nil window attribute then the saved window is used.
  */
 
 @implementation TKApplication(TKMouseEvent)
@@ -93,24 +49,14 @@ enum {
 #ifdef TK_MAC_DEBUG_EVENTS
     TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
 #endif
-    id          win;
-    NSEventType	type = [theEvent type];
+    NSWindow*    eventWindow = [theEvent window];
+    NSEventType	 eventType = [theEvent type];
 #if 0
     NSTrackingArea  *trackingArea = nil;
     NSInteger eventNumber, clickCount, buttonNumber;
 #endif
-
-    switch (type) {
+    switch (eventType) {
     case NSMouseEntered:
-	/* Remember which window has the mouse. */
-	if (_windowWithMouse) {
-	    [_windowWithMouse release];
-	}
-	_windowWithMouse = [theEvent window];
-	if (_windowWithMouse) {
-	    [_windowWithMouse retain];
-	}
-	break;
     case NSMouseExited:
     case NSCursorUpdate:
     case NSLeftMouseDown:
@@ -127,25 +73,31 @@ enum {
     case NSTabletProximity:
     case NSScrollWheel:
         break;
-
     default: /* Unrecognized mouse event. */
 	return theEvent;
     }
 
+    /* Remember the window in case we need it next time. */
+    if (eventWindow && eventWindow != _windowWithMouse) {
+	if (_windowWithMouse) {
+	    [_windowWithMouse release];
+	}
+	_windowWithMouse = eventWindow;
+	[_windowWithMouse retain];
+    }
+
     /* Create an Xevent to add to the Tk queue. */
-    win = [theEvent window];
-    NSWindow *nswindow = (NSWindow *)win;
     NSPoint global, local = [theEvent locationInWindow];
-    if (win) { /* local will be in window coordinates. */
-	global = [nswindow convertPointToScreen: local];
-	local.y = [win frame].size.height - local.y;
+    if (eventWindow) { /* local will be in window coordinates. */
+	global = [eventWindow convertPointToScreen: local];
+	local.y = [eventWindow frame].size.height - local.y;
 	global.y = tkMacOSXZeroScreenHeight - global.y;
     } else { /* local will be in screen coordinates. */
 	if (_windowWithMouse ) {
-	    win = _windowWithMouse;
+	    eventWindow = _windowWithMouse;
 	    global = local;
-	    local = [nswindow convertPointFromScreen: local];
-	    local.y = [win frame].size.height - local.y;
+	    local = [eventWindow convertPointFromScreen: local];
+	    local.y = [eventWindow frame].size.height - local.y;
 	    global.y = tkMacOSXZeroScreenHeight - global.y;
 	} else { /* We have no window. Use the screen???*/
 	    local.y = tkMacOSXZeroScreenHeight - local.y;
@@ -153,7 +105,7 @@ enum {
 	}
     }
 
-    Window window = TkMacOSXGetXWindow(win);
+    Window window = TkMacOSXGetXWindow(eventWindow);
     Tk_Window tkwin = window ? Tk_IdToWindow(TkGetDisplayList()->display,
 	    window) : NULL;
     if (!tkwin) {
@@ -181,7 +133,7 @@ enum {
     if (err == noErr) {
     	state |= (buttons & ((1<<5) - 1)) << 8;
     } else if (button < 5) {
-	switch (type) {
+	switch (eventType) {
 	case NSLeftMouseDown:
 	case NSRightMouseDown:
 	case NSLeftMouseDragged:
@@ -218,12 +170,12 @@ enum {
 	state |= Mod4Mask;
     }
 
-    if (type != NSScrollWheel) {
+    if (eventType != NSScrollWheel) {
 #ifdef TK_MAC_DEBUG_EVENTS
 	TKLog(@"UpdatePointer %p x %f.0 y %f.0 %d", tkwin, global.x, global.y, state);
 #endif
 	Tk_UpdatePointer(tkwin, global.x, global.y, state);
-    } else {
+    } else { /* handle scroll wheel event */
 	CGFloat delta;
 	int coarseDelta;
 	XEvent xEvent;
@@ -239,7 +191,8 @@ enum {
 
 	delta = [theEvent deltaY];
 	if (delta != 0.0) {
-	    coarseDelta = (delta > -1.0 && delta < 1.0) ? (signbit(delta) ? -1 : 1) : lround(delta);
+	    coarseDelta = (delta > -1.0 && delta < 1.0) ?
+		(signbit(delta) ? -1 : 1) : lround(delta);
 	    xEvent.xbutton.state = state;
 	    xEvent.xkey.keycode = coarseDelta;
 	    xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
@@ -247,7 +200,8 @@ enum {
 	}
 	delta = [theEvent deltaX];
 	if (delta != 0.0) {
-	    coarseDelta = (delta > -1.0 && delta < 1.0) ? (signbit(delta) ? -1 : 1) : lround(delta);
+	    coarseDelta = (delta > -1.0 && delta < 1.0) ?
+		(signbit(delta) ? -1 : 1) : lround(delta);
 	    xEvent.xbutton.state = state | ShiftMask;
 	    xEvent.xkey.keycode = coarseDelta;
 	    xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
@@ -418,7 +372,7 @@ XQueryPointer(
 	    if (win) {
 		NSPoint local;
 
-		local = [win convertScreenToBase:global];
+		local = [win convertPointFromScreen:global];
 		local.y = [win frame].size.height - local.y;
 		if (macWin->winPtr && macWin->winPtr->wmInfoPtr) {
 		    local.x -= macWin->winPtr->wmInfoPtr->xInParent;
@@ -516,7 +470,7 @@ TkGenerateButtonEvent(
     if (win) {
 	NSPoint local = NSMakePoint(x, tkMacOSXZeroScreenHeight - y);
 
-	local = [win convertScreenToBase:local];
+	local = [win convertPointFromScreen:local];
 	local.y = [win frame].size.height - local.y;
 	if (macWin->winPtr && macWin->winPtr->wmInfoPtr) {
 	    local.x -= macWin->winPtr->wmInfoPtr->xInParent;
diff --git a/macosx/tkMacOSXPrivate.h b/macosx/tkMacOSXPrivate.h
index 9cdc27c..d0a52ee 100644
--- a/macosx/tkMacOSXPrivate.h
+++ b/macosx/tkMacOSXPrivate.h
@@ -296,6 +296,24 @@ VISIBILITY_HIDDEN
 - (void)tkProvidePasteboard:(TkDisplay *)dispPtr;
 - (void)tkCheckPasteboard;
 @end
+@interface TKApplication(TKHLEvents)
+- (void) terminate: (id) sender;
+- (void) preferences: (id) sender;
+- (void) handleQuitApplicationEvent:   (NSAppleEventDescriptor *)event 
+		     withReplyEvent:   (NSAppleEventDescriptor *)replyEvent;
+- (void) handleOpenApplicationEvent:   (NSAppleEventDescriptor *)event 
+		     withReplyEvent:   (NSAppleEventDescriptor *)replyEvent;
+- (void) handleReopenApplicationEvent: (NSAppleEventDescriptor *)event 
+		       withReplyEvent: (NSAppleEventDescriptor *)replyEvent;
+- (void) handleShowPreferencesEvent:   (NSAppleEventDescriptor *)event
+		     withReplyEvent:   (NSAppleEventDescriptor *)replyEvent;
+- (void) handleOpenDocumentsEvent:     (NSAppleEventDescriptor *)event 
+		   withReplyEvent:     (NSAppleEventDescriptor *)replyEvent;
+- (void) handlePrintDocumentsEvent:    (NSAppleEventDescriptor *)event 
+		   withReplyEvent:     (NSAppleEventDescriptor *)replyEvent;
+- (void) handleDoScriptEvent:          (NSAppleEventDescriptor *)event 
+		   withReplyEvent:     (NSAppleEventDescriptor *)replyEvent;
+@end
 
 VISIBILITY_HIDDEN
 @interface TKContentView : NSView <NSTextInput> {
@@ -329,6 +347,11 @@ VISIBILITY_HIDDEN
 @interface TKWindow : NSWindow
 @end
 
+@interface NSWindow(TKWm)
+- (NSPoint) convertPointToScreen:(NSPoint)point;
+- (NSPoint) convertPointFromScreen:(NSPoint)point;
+@end
+
 #pragma mark NSMenu & NSMenuItem Utilities
 
 @interface NSMenu(TKUtils)
@@ -357,8 +380,4 @@ VISIBILITY_HIDDEN
 	keyEquivalentModifierMask:(NSUInteger)keyEquivalentModifierMask;
 @end
 
-/* Helper functions from tkMacOSXDeprecations.c */
-
-extern NSPoint convertWindowToScreen( NSWindow *window, NSPoint point);
-
 #endif /* _TKMACPRIV */
diff --git a/macosx/tkMacOSXWindowEvent.c b/macosx/tkMacOSXWindowEvent.c
index 7f1cf90..851358d 100644
--- a/macosx/tkMacOSXWindowEvent.c
+++ b/macosx/tkMacOSXWindowEvent.c
@@ -745,15 +745,16 @@ TkWmProtocolEventProc(
 int
 Tk_MacOSXIsAppInFront(void)
 {
-    OSStatus err;
-    ProcessSerialNumber frontPsn, ourPsn = {0, kCurrentProcess};
     Boolean isFrontProcess = true;
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+    ProcessSerialNumber frontPsn, ourPsn = {0, kCurrentProcess};
 
-    err = ChkErr(GetFrontProcess, &frontPsn);
-    if (err == noErr) {
-	ChkErr(SameProcess, &frontPsn, &ourPsn, &isFrontProcess);
+    if (noErr == GetFrontProcess(&frontPsn)){
+	SameProcess(&frontPsn, &ourPsn, &isFrontProcess);
     }
-
+#else
+    isFrontProcess = [NSRunningApplication currentApplication].active;
+#endif
     return (isFrontProcess == true);
 }
 
diff --git a/macosx/tkMacOSXWm.c b/macosx/tkMacOSXWm.c
index 417f130..fb58904 100644
--- a/macosx/tkMacOSXWm.c
+++ b/macosx/tkMacOSXWm.c
@@ -196,6 +196,48 @@ static int tkMacOSXWmAttrNotifyVal = 0;
 static Tcl_HashTable windowTable;
 static int windowHashInit = false;
 
+
+
+#pragma mark NSWindow(TKWm)
+
+/*
+ * Conversion of coordinates between window and screen.
+ */
+
+@implementation NSWindow(TKWm)
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
+- (NSPoint) convertPointToScreen: (NSPoint) point
+{
+    return [self convertBaseToScreen:point];
+}
+- (NSPoint) convertPointFromScreen: (NSPoint)point
+{
+    return [self convertScreenToBase:point];
+}
+@end
+#else
+- (NSPoint) convertPointToScreen: (NSPoint) point
+{
+    NSRect pointrect;
+    pointrect.origin = point;
+    pointrect.size.width = 0;
+    pointrect.size.height = 0;
+    return [self convertRectToScreen:pointrect].origin;
+}
+- (NSPoint) convertPointFromScreen: (NSPoint)point
+{
+    NSRect pointrect;
+    pointrect.origin = point;
+    pointrect.size.width = 0;
+    pointrect.size.height = 0;
+    return [self convertRectFromScreen:pointrect].origin;
+}
+@end
+#endif
+
+#pragma mark -
+
+
 /*
  * Forward declarations for procedures defined in this file:
  */
diff --git a/macosx/tkMacOSXXStubs.c b/macosx/tkMacOSXXStubs.c
index a5f1c60..e87bb39 100644
--- a/macosx/tkMacOSXXStubs.c
+++ b/macosx/tkMacOSXXStubs.c
@@ -181,7 +181,21 @@ TkpOpenDisplay(
 		NSAppKitVersionNumber);
     }
     display->vendor = vendor;
-    Gestalt(gestaltSystemVersion, (SInt32 *) &display->release);
+    {
+	int major, minor, patch;
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1080
+	Gestalt(gestaltSystemVersionMajor, (SInt32*)&major);
+	Gestalt(gestaltSystemVersionMinor, (SInt32*)&minor);
+	Gestalt(gestaltSystemVersionBugFix, (SInt32*)&patch);
+#else
+	NSOperatingSystemVersion systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
+	major = systemVersion.majorVersion;
+	minor = systemVersion.minorVersion;
+	patch = systemVersion.patchVersion;
+#endif
+	display->release = major << 16 | minor << 8 | patch;
+    }
 
     /*
      * These screen bits never change