* carbon/ (new directory): copy of current state of 'macosx'

	source directory, to preserve legacy TkAqua implementation based on
	Carbon API (with support for Mac OS X releases older than 10.5).

1 files changed, 6498 insertions, 0 deletions

diff --git a/carbon/tkMacOSXWm.c b/carbon/tkMacOSXWm.c
new file mode 100644
index 0000000..cd8ee6a
--- /dev/null
+++ b/carbon/tkMacOSXWm.c
@@ -0,0 +1,6498 @@
+/*
+ * tkMacOSXWm.c --
+ *
+ *	This module takes care of the interactions between a Tk-based
+ *	application and the window manager. Among other things, it implements
+ *	the "wm" command and passes geometry information to the window
+ *	manager.
+ *
+ * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright 2001, Apple Computer, Inc.
+ * Copyright (c) 2006-2007 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.
+ *
+ * RCS: @(#) $Id: tkMacOSXWm.c,v 1.1 2009/06/26 01:42:47 das Exp $
+ */
+
+#include "tkMacOSXPrivate.h"
+#include "tkScrollbar.h"
+#include "tkMacOSXWm.h"
+#include "tkMacOSXEvent.h"
+#include "tkMacOSXDebug.h"
+
+/*
+#ifdef TK_MAC_DEBUG
+#define TK_MAC_DEBUG_WINDOWS
+#endif
+*/
+
+/*
+ * Data for [wm attributes] command:
+ */
+typedef enum {
+    WMATT_ALPHA, WMATT_FULLSCREEN, WMATT_MODIFIED, WMATT_NOTIFY,
+    WMATT_TITLEPATH, WMATT_TOPMOST, WMATT_TRANSPARENT,
+    _WMATT_LAST_ATTRIBUTE
+} WmAttribute;
+
+static const char *const WmAttributeNames[] = {
+    "-alpha", "-fullscreen", "-modified", "-notify",
+    "-titlepath", "-topmost", "-transparent",
+    NULL
+};
+
+/*
+ * This is a list of all of the toplevels that have been mapped so far. It is
+ * used by the menu code to inval windows that were damaged by menus, and will
+ * eventually also be used to keep track of floating windows.
+ */
+
+TkMacOSXWindowList *tkMacOSXWindowListPtr = NULL;
+
+/*
+ * The variable below is used to enable or disable tracing in this module. If
+ * tracing is enabled, then information is printed on standard output about
+ * interesting interactions with the window manager.
+ */
+
+static int wmTracing = 0;
+
+/*
+ * The following structure is the official type record for geometry management
+ * of top-level windows.
+ */
+
+static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin);
+
+static const Tk_GeomMgr wmMgrType = {
+    "wm",			/* name */
+    TopLevelReqProc,		/* requestProc */
+    NULL,			/* lostSlaveProc */
+};
+
+/*
+ * The following keeps state for Aqua dock icon bounce notification.
+ */
+
+static int tkMacOSXWmAttrNotifyVal = 0;
+
+/*
+ * Hash table for Mac Window -> TkWindow mapping.
+ */
+
+static Tcl_HashTable windowTable;
+static int windowHashInit = false;
+
+/*
+ * Forward declarations for procedures defined in this file:
+ */
+
+static void		InitialWindowBounds(TkWindow *winPtr,
+			    WindowRef macWindow, Rect *geometry);
+static int		ParseGeometry(Tcl_Interp *interp, char *string,
+			    TkWindow *winPtr);
+static void		TopLevelEventProc(ClientData clientData,
+			    XEvent *eventPtr);
+static void		WmStackorderToplevelWrapperMap(TkWindow *winPtr,
+			    Display *display, Tcl_HashTable *table);
+static void		UpdateGeometryInfo(ClientData clientData);
+static void		UpdateSizeHints(TkWindow *winPtr);
+static void		UpdateVRootGeometry(WmInfo *wmPtr);
+static int		WmAspectCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmAttributesCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmClientCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmColormapwindowsCmd(Tk_Window tkwin,
+			    TkWindow *winPtr, Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmCommandCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmDeiconifyCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmFocusmodelCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmForgetCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmFrameCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmGeometryCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmGridCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmGroupCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconbitmapCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconifyCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconmaskCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconnameCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconphotoCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconpositionCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmIconwindowCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmManageCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmMaxsizeCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmMinsizeCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmOverrideredirectCmd(Tk_Window tkwin,
+			    TkWindow *winPtr, Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmPositionfromCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmProtocolCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmResizableCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmSizefromCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmStackorderCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmStateCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmTitleCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmTransientCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static int		WmWithdrawCmd(Tk_Window tkwin, TkWindow *winPtr,
+			    Tcl_Interp *interp, int objc,
+			    Tcl_Obj *const objv[]);
+static void		WmUpdateGeom(WmInfo *wmPtr, TkWindow *winPtr);
+static int		WmWinStyle(Tcl_Interp *interp, TkWindow *winPtr,
+			    int objc, Tcl_Obj *const objv[]);
+static void		ApplyWindowClassAttributeChanges(TkWindow *winPtr,
+			    WindowRef macWindow, WindowClass oldClass,
+			    WindowAttributes oldAttributes, int create);
+static void		ApplyMasterOverrideChanges(TkWindow *winPtr,
+			    WindowRef macWindow);
+static WindowGroupRef	WmGetWindowGroup(TkWindow *winPtr);
+static void		GetMinSize(TkWindow *winPtr, int *minWidthPtr,
+			    int *minHeightPtr);
+static void		GetMaxSize(TkWindow *winPtr, int *maxWidthPtr,
+			    int *maxHeightPtr);
+static void		RemapWindows(TkWindow *winPtr,
+			    MacDrawable *parentWin);
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmNewWindow --
+ *
+ *	This procedure is invoked whenever a new top-level window is created.
+ *	Its job is to initialize the WmInfo structure for the window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	A WmInfo structure gets allocated and initialized.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmNewWindow(
+    TkWindow *winPtr)		/* Newly-created top-level window. */
+{
+    WmInfo *wmPtr = (WmInfo *) ckalloc(sizeof(WmInfo));
+
+    wmPtr->winPtr = winPtr;
+    wmPtr->reparent = None;
+    wmPtr->titleUid = NULL;
+    wmPtr->iconName = NULL;
+    wmPtr->master = None;
+    wmPtr->hints.flags = InputHint | StateHint;
+    wmPtr->hints.input = True;
+    wmPtr->hints.initial_state = NormalState;
+    wmPtr->hints.icon_pixmap = None;
+    wmPtr->hints.icon_window = None;
+    wmPtr->hints.icon_x = wmPtr->hints.icon_y = 0;
+    wmPtr->hints.icon_mask = None;
+    wmPtr->hints.window_group = None;
+    wmPtr->leaderName = NULL;
+    wmPtr->masterWindowName = NULL;
+    wmPtr->icon = NULL;
+    wmPtr->iconFor = NULL;
+    wmPtr->sizeHintsFlags = 0;
+    wmPtr->minWidth = wmPtr->minHeight = 1;
+    wmPtr->maxWidth = 0;
+    wmPtr->maxHeight = 0;
+    wmPtr->gridWin = NULL;
+    wmPtr->widthInc = wmPtr->heightInc = 1;
+    wmPtr->minAspect.x = wmPtr->minAspect.y = 1;
+    wmPtr->maxAspect.x = wmPtr->maxAspect.y = 1;
+    wmPtr->reqGridWidth = wmPtr->reqGridHeight = -1;
+    wmPtr->gravity = NorthWestGravity;
+    wmPtr->width = -1;
+    wmPtr->height = -1;
+    wmPtr->x = winPtr->changes.x;
+    wmPtr->y = winPtr->changes.y;
+    wmPtr->parentWidth = winPtr->changes.width
+	    + 2*winPtr->changes.border_width;
+    wmPtr->parentHeight = winPtr->changes.height
+	    + 2*winPtr->changes.border_width;
+    wmPtr->xInParent = 0;
+    wmPtr->yInParent = 0;
+    wmPtr->cmapList = NULL;
+    wmPtr->cmapCount = 0;
+    wmPtr->configX = 0;
+    wmPtr->configY = 0;
+    wmPtr->configWidth = -1;
+    wmPtr->configHeight = -1;
+    wmPtr->vRoot = None;
+    wmPtr->protPtr = NULL;
+    wmPtr->cmdArgv = NULL;
+    wmPtr->clientMachine = NULL;
+    wmPtr->flags = WM_NEVER_MAPPED;
+    wmPtr->style = -1;
+    wmPtr->macClass = kDocumentWindowClass;
+    wmPtr->attributes = kWindowStandardDocumentAttributes
+	    | kWindowLiveResizeAttribute;
+    wmPtr->scrollWinPtr = NULL;
+    winPtr->wmInfoPtr = wmPtr;
+
+    UpdateVRootGeometry(wmPtr);
+
+    /*
+     * Tk must monitor structure events for top-level windows, in order to
+     * detect size and position changes caused by window managers.
+     */
+
+    Tk_CreateEventHandler((Tk_Window) winPtr, StructureNotifyMask,
+	    TopLevelEventProc, winPtr);
+
+    /*
+     * Arrange for geometry requests to be reflected from the window to the
+     * window manager.
+     */
+
+    Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, (ClientData) 0);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmMapWindow --
+ *
+ *	This procedure is invoked to map a top-level window. This module gets
+ *	a chance to update all window-manager-related information in
+ *	properties before the window manager sees the map event and checks the
+ *	properties. It also gets to decide whether or not to even map the
+ *	window after all.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Properties of winPtr may get updated to provide up-to-date information
+ *	to the window manager. The window may also get mapped, but it may not
+ *	be if this procedure decides that isn't appropriate (e.g. because the
+ *	window is withdrawn).
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmMapWindow(
+    TkWindow *winPtr)		/* Top-level window that's about to be
+				 * mapped. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (wmPtr->flags & WM_NEVER_MAPPED) {
+	wmPtr->flags &= ~WM_NEVER_MAPPED;
+
+	/*
+	 * Create the underlying Mac window for this Tk window.
+	 */
+
+	if (!TkMacOSXHostToplevelExists(winPtr)) {
+	    TkMacOSXMakeRealWindowExist(winPtr);
+	}
+
+	/*
+	 * Generate configure event when we first map the window.
+	 */
+
+	TkGenWMConfigureEvent((Tk_Window) winPtr, wmPtr->x, wmPtr->y, -1, -1,
+		TK_LOCATION_CHANGED);
+
+	/*
+	 * This is the first time this window has ever been mapped. Store all
+	 * the window-manager-related information for the window.
+	 */
+
+	if (wmPtr->titleUid == NULL) {
+	    wmPtr->titleUid = winPtr->nameUid;
+	}
+
+	if (!Tk_IsEmbedded(winPtr)) {
+	    TkSetWMName(winPtr, wmPtr->titleUid);
+	}
+
+	TkWmSetClass(winPtr);
+
+	if (wmPtr->iconName != NULL) {
+	    XSetIconName(winPtr->display, winPtr->window, wmPtr->iconName);
+	}
+
+	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    }
+    if (wmPtr->hints.initial_state == WithdrawnState) {
+	return;
+    }
+
+    /*
+     * TODO: we need to display a window if it's iconic on creation.
+     */
+
+    if (wmPtr->hints.initial_state == IconicState) {
+	return;
+    }
+
+    /*
+     * Update geometry information.
+     */
+
+    wmPtr->flags |= WM_ABOUT_TO_MAP;
+    if (wmPtr->flags & WM_UPDATE_PENDING) {
+	Tk_CancelIdleCall(UpdateGeometryInfo, winPtr);
+    }
+    UpdateGeometryInfo(winPtr);
+    wmPtr->flags &= ~WM_ABOUT_TO_MAP;
+
+    /*
+     * Map the window.
+     */
+
+    XMapWindow(winPtr->display, winPtr->window);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmUnmapWindow --
+ *
+ *	This procedure is invoked to unmap a top-level window. On the
+ *	Macintosh all we do is call XUnmapWindow.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Unmaps the window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmUnmapWindow(
+    TkWindow *winPtr)		/* Top-level window that's about to be
+				 * mapped. */
+{
+    XUnmapWindow(winPtr->display, winPtr->window);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmDeadWindow --
+ *
+ *	This procedure is invoked when a top-level window is about to be
+ *	deleted. It cleans up the wm-related data structures for the window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The WmInfo structure for winPtr gets freed up.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmDeadWindow(
+    TkWindow *winPtr)		/* Top-level window that's being deleted. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WmInfo *wmPtr2;
+
+    if (wmPtr == NULL) {
+	return;
+    }
+    if (wmPtr->hints.flags & IconPixmapHint) {
+	Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
+    }
+    if (wmPtr->hints.flags & IconMaskHint) {
+	Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
+    }
+    if (wmPtr->iconName != NULL) {
+	ckfree(wmPtr->iconName);
+    }
+    if (wmPtr->leaderName != NULL) {
+	ckfree(wmPtr->leaderName);
+    }
+    if (wmPtr->masterWindowName != NULL) {
+	ckfree(wmPtr->masterWindowName);
+    }
+    if (wmPtr->icon != NULL) {
+	wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
+	wmPtr2->iconFor = NULL;
+    }
+    if (wmPtr->iconFor != NULL) {
+	wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr;
+	wmPtr2->icon = NULL;
+	wmPtr2->hints.flags &= ~IconWindowHint;
+    }
+    while (wmPtr->protPtr != NULL) {
+	ProtocolHandler *protPtr;
+
+	protPtr = wmPtr->protPtr;
+	wmPtr->protPtr = protPtr->nextPtr;
+	Tcl_EventuallyFree(protPtr, TCL_DYNAMIC);
+    }
+    if (wmPtr->cmdArgv != NULL) {
+	ckfree((char *) wmPtr->cmdArgv);
+    }
+    if (wmPtr->clientMachine != NULL) {
+	ckfree((char *) wmPtr->clientMachine);
+    }
+    if (wmPtr->flags & WM_UPDATE_PENDING) {
+	Tk_CancelIdleCall(UpdateGeometryInfo, winPtr);
+    }
+    ckfree((char *) wmPtr);
+    winPtr->wmInfoPtr = NULL;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmSetClass --
+ *
+ *	This procedure is invoked whenever a top-level window's class is
+ *	changed. If the window has been mapped then this procedure updates the
+ *	window manager property for the class. If the window hasn't been
+ *	mapped, the update is deferred until just before the first mapping.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	A window property may get updated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmSetClass(
+    TkWindow *winPtr)		/* Newly-created top-level window. */
+{
+    return;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_WmObjCmd --
+ *
+ *	This procedure is invoked to process the "wm" Tcl command. See the
+ *	user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+/* ARGSUSED */
+int
+Tk_WmObjCmd(
+    ClientData clientData,	/* Main window associated with interpreter. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    Tk_Window tkwin = (Tk_Window) clientData;
+    static const char *const optionStrings[] = {
+	"aspect", "attributes", "client", "colormapwindows",
+	"command", "deiconify", "focusmodel", "forget",
+	"frame", "geometry", "grid", "group",
+	"iconbitmap", "iconify", "iconmask", "iconname",
+	"iconphoto", "iconposition", "iconwindow",
+	"manage", "maxsize", "minsize", "overrideredirect",
+	"positionfrom", "protocol", "resizable", "sizefrom",
+	"stackorder", "state", "title", "transient",
+	"withdraw", NULL };
+    enum options {
+	WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS,
+	WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FORGET,
+	WMOPT_FRAME, WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP,
+	WMOPT_ICONBITMAP, WMOPT_ICONIFY, WMOPT_ICONMASK, WMOPT_ICONNAME,
+	WMOPT_ICONPHOTO, WMOPT_ICONPOSITION, WMOPT_ICONWINDOW,
+	WMOPT_MANAGE, WMOPT_MAXSIZE, WMOPT_MINSIZE, WMOPT_OVERRIDEREDIRECT,
+	WMOPT_POSITIONFROM, WMOPT_PROTOCOL, WMOPT_RESIZABLE, WMOPT_SIZEFROM,
+	WMOPT_STACKORDER, WMOPT_STATE, WMOPT_TITLE, WMOPT_TRANSIENT,
+	WMOPT_WITHDRAW };
+    int index, length;
+    char *argv1;
+    TkWindow *winPtr;
+
+    if (objc < 2) {
+    wrongNumArgs:
+	Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?");
+	return TCL_ERROR;
+    }
+
+    argv1 = Tcl_GetStringFromObj(objv[1], &length);
+    if ((argv1[0] == 't') && (strncmp(argv1, "tracing", length) == 0)
+	&& (length >= 3)) {
+	if ((objc != 2) && (objc != 3)) {
+	    Tcl_WrongNumArgs(interp, 2, objv, "?boolean?");
+	    return TCL_ERROR;
+	}
+	if (objc == 2) {
+	    Tcl_SetResult(interp, ((wmTracing) ? "on" : "off"), TCL_STATIC);
+	    return TCL_OK;
+	}
+	return Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing);
+    }
+
+    if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
+	    &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+
+    if (objc < 3) {
+	goto wrongNumArgs;
+    }
+
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) &winPtr)
+	!= TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (!Tk_IsTopLevel(winPtr)
+	    && (index != WMOPT_MANAGE) && (index != WMOPT_FORGET)) {
+	Tcl_AppendResult(interp, "window \"", winPtr->pathName,
+		"\" isn't a top-level window", NULL);
+	return TCL_ERROR;
+    }
+
+    switch ((enum options) index) {
+    case WMOPT_ASPECT:
+	return WmAspectCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ATTRIBUTES:
+	return WmAttributesCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_CLIENT:
+	return WmClientCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_COLORMAPWINDOWS:
+	return WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_COMMAND:
+	return WmCommandCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_DEICONIFY:
+	return WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_FOCUSMODEL:
+	return WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_FORGET:
+	return WmForgetCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_FRAME:
+	return WmFrameCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_GEOMETRY:
+	return WmGeometryCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_GRID:
+	return WmGridCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_GROUP:
+	return WmGroupCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONBITMAP:
+	return WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONIFY:
+	return WmIconifyCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONMASK:
+	return WmIconmaskCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONNAME:
+	return WmIconnameCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONPHOTO:
+	return WmIconphotoCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONPOSITION:
+	return WmIconpositionCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_ICONWINDOW:
+	return WmIconwindowCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_MANAGE:
+	return WmManageCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_MAXSIZE:
+	return WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_MINSIZE:
+	return WmMinsizeCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_OVERRIDEREDIRECT:
+	return WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_POSITIONFROM:
+	return WmPositionfromCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_PROTOCOL:
+	return WmProtocolCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_RESIZABLE:
+	return WmResizableCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_SIZEFROM:
+	return WmSizefromCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_STACKORDER:
+	return WmStackorderCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_STATE:
+	return WmStateCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_TITLE:
+	return WmTitleCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_TRANSIENT:
+	return WmTransientCmd(tkwin, winPtr, interp, objc, objv);
+    case WMOPT_WITHDRAW:
+	return WmWithdrawCmd(tkwin, winPtr, interp, objc, objv);
+    }
+
+    /* This should not happen */
+    return TCL_ERROR;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmAspectCmd --
+ *
+ *	This procedure is invoked to process the "wm aspect" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmAspectCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int numer1, denom1, numer2, denom2;
+
+    if ((objc != 3) && (objc != 7)) {
+	Tcl_WrongNumArgs(interp, 2, objv,
+		"window ?minNumer minDenom maxNumer maxDenom?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->sizeHintsFlags & PAspect) {
+	    char buf[TCL_INTEGER_SPACE * 4];
+
+	    sprintf(buf, "%d %d %d %d", wmPtr->minAspect.x,
+		    wmPtr->minAspect.y, wmPtr->maxAspect.x,
+		    wmPtr->maxAspect.y);
+	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	}
+	return TCL_OK;
+    }
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	wmPtr->sizeHintsFlags &= ~PAspect;
+    } else {
+	if ((Tcl_GetIntFromObj(interp, objv[3], &numer1) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[4], &denom1) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[5], &numer2) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[6], &denom2) != TCL_OK)) {
+	    return TCL_ERROR;
+	}
+	if ((numer1 <= 0) || (denom1 <= 0) || (numer2 <= 0) ||
+		(denom2 <= 0)) {
+	    Tcl_SetResult(interp, "aspect number can't be <= 0", TCL_STATIC);
+	    return TCL_ERROR;
+	}
+	wmPtr->minAspect.x = numer1;
+	wmPtr->minAspect.y = denom1;
+	wmPtr->maxAspect.x = numer2;
+	wmPtr->maxAspect.y = denom2;
+	wmPtr->sizeHintsFlags |= PAspect;
+    }
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmSetAttribute --
+ *
+ *	Helper routine for WmAttributesCmd. Sets the value of the specified
+ *	attribute.
+ *
+ * Returns:
+ *
+ *	TCL_OK if successful, TCL_ERROR otherwise. In case of an error, leaves
+ *	a message in the interpreter's result.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmSetAttribute(
+    TkWindow *winPtr,		/* Toplevel to work with */
+    WindowRef macWindow,
+    Tcl_Interp *interp,		/* Current interpreter */
+    WmAttribute attribute,	/* Code of attribute to set */
+    Tcl_Obj *value)		/* New value */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int boolean;
+
+    switch (attribute) {
+    case WMATT_ALPHA: {
+	double dval;
+
+	if (Tcl_GetDoubleFromObj(interp, value, &dval) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+
+	/*
+	 * The user should give (transparent) 0 .. 1.0 (opaque)
+	 */
+
+	if (dval < 0.0) {
+	    dval = 0.0;
+	} else if (dval > 1.0) {
+	    dval = 1.0;
+	}
+	ChkErr(SetWindowAlpha, macWindow, dval);
+	break;
+    }
+    case WMATT_FULLSCREEN:
+	if (Tcl_GetBooleanFromObj(interp, value, &boolean) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (boolean != ((wmPtr->flags & WM_FULLSCREEN) != 0)) {
+	    if (TkMacOSXMakeFullscreen(winPtr, macWindow, boolean, interp)
+		    != TCL_OK) {
+		return TCL_ERROR;
+	    }
+	}
+	break;
+    case WMATT_MODIFIED:
+	if (Tcl_GetBooleanFromObj(interp, value, &boolean) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (boolean != IsWindowModified(macWindow)) {
+	    ChkErr(SetWindowModified, macWindow, boolean);
+	}
+	break;
+    case WMATT_NOTIFY:
+	if (Tcl_GetBooleanFromObj(interp, value, &boolean) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (boolean == !tkMacOSXWmAttrNotifyVal) {
+	    static NMRec notifyRec;
+
+	    if (boolean) {
+		bzero(&notifyRec, sizeof(notifyRec));
+		notifyRec.qType = nmType;
+		notifyRec.nmMark = 1;
+		ChkErr(NMInstall, &notifyRec);
+	    } else {
+		ChkErr(NMRemove, &notifyRec);
+	    }
+	    tkMacOSXWmAttrNotifyVal = boolean;
+	}
+	break;
+    case WMATT_TITLEPATH: {
+	const char *path = Tcl_FSGetNativePath(value);
+	OSStatus err;
+
+	if (path && *path) {
+	    FSRef ref;
+	    Boolean d;
+
+	    err = ChkErr(FSPathMakeRef, (const unsigned char*)path, &ref, &d);
+	    if (err == noErr) {
+		TK_IF_MAC_OS_X_API (4, HIWindowSetProxyFSRef,
+		    err = ChkErr(HIWindowSetProxyFSRef, macWindow, &ref);
+		) TK_ELSE_MAC_OS_X (4,
+		    AliasHandle alias;
+
+		    err = ChkErr(FSNewAlias, NULL, &ref, &alias);
+		    if (err == noErr) {
+			err = ChkErr(SetWindowProxyAlias, macWindow, alias);
+			DisposeHandle((Handle) alias);
+		    }
+		) TK_ENDIF
+	    }
+	} else {
+	    int len;
+
+	    Tcl_GetStringFromObj(value, &len);
+	    if (!len) {
+		err = ChkErr(RemoveWindowProxy, macWindow);
+	    } else {
+		err = fnfErr;
+	    }
+	}
+	if (err != noErr) {
+	    return TCL_ERROR;
+	}
+	break;
+    }
+    case WMATT_TOPMOST:
+	if (Tcl_GetBooleanFromObj(interp, value, &boolean) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (boolean != ((wmPtr->flags & WM_TOPMOST) != 0)) {
+	    WindowGroupRef group;
+
+	    if (boolean) {
+		wmPtr->flags |= WM_TOPMOST;
+	    } else {
+		wmPtr->flags &= ~WM_TOPMOST;
+	    }
+	    group = WmGetWindowGroup(winPtr);
+	    if (group && group != GetWindowGroup(macWindow)) {
+		ChkErr(SetWindowGroup, macWindow, group);
+	    }
+	}
+	break;
+    case WMATT_TRANSPARENT:
+	if (Tcl_GetBooleanFromObj(interp, value, &boolean) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (boolean != ((wmPtr->flags & WM_TRANSPARENT) != 0)) {
+	    WindowAttributes oldAttributes = wmPtr->attributes;
+
+	    if (boolean) {
+		wmPtr->flags |= WM_TRANSPARENT;
+		wmPtr->attributes |= kWindowNoShadowAttribute;
+		TK_IF_MAC_OS_X_API (3, HIWindowChangeFeatures,
+		    UInt32 features;
+
+		    ChkErr(GetWindowFeatures, macWindow, &features);
+		    if (features & kWindowIsOpaque) {
+			ChkErr(HIWindowChangeFeatures, macWindow, 0,
+				kWindowIsOpaque);
+		    }
+		) TK_ENDIF
+	    } else {
+		wmPtr->flags &= ~WM_TRANSPARENT;
+		wmPtr->attributes &= ~kWindowNoShadowAttribute;
+	    }
+	    ApplyWindowClassAttributeChanges(winPtr, macWindow,
+		    wmPtr->macClass, oldAttributes, 1);
+	    ChkErr(ReshapeCustomWindow, macWindow);
+	    TkMacOSXInvalidateWindow((MacDrawable *) winPtr->window,
+		    TK_PARENT_WINDOW);
+	    }
+	break;
+    case _WMATT_LAST_ATTRIBUTE:
+    default:
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmGetAttribute --
+ *
+ *	Helper routine for WmAttributesCmd. Returns the current value of the
+ *	specified attribute.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static Tcl_Obj *
+WmGetAttribute(
+    TkWindow *winPtr,		/* Toplevel to work with */
+    WindowRef macWindow,
+    WmAttribute attribute)	/* Code of attribute to get */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Tcl_Obj *result = NULL;
+
+    switch (attribute) {
+    case WMATT_ALPHA: {
+	float fval = 1.0;
+
+	ChkErr(GetWindowAlpha, macWindow, &fval);
+	result = Tcl_NewDoubleObj(fval);
+	break;
+    }
+    case WMATT_FULLSCREEN:
+	result = Tcl_NewBooleanObj(wmPtr->flags & WM_FULLSCREEN);
+	break;
+    case WMATT_MODIFIED:
+	result = Tcl_NewBooleanObj(IsWindowModified(macWindow));
+	break;
+    case WMATT_NOTIFY:
+	result = Tcl_NewBooleanObj(tkMacOSXWmAttrNotifyVal);
+	break;
+    case WMATT_TITLEPATH: {
+	FSRef ref;
+	UInt8 path[PATH_MAX+1];
+	OSStatus err;
+
+	TK_IF_MAC_OS_X_API (4, HIWindowSetProxyFSRef,
+	    err = ChkErr(HIWindowGetProxyFSRef, macWindow, &ref);
+	) TK_ELSE_MAC_OS_X (4,
+	    Boolean wasChanged;
+	    AliasHandle alias;
+
+	    err = ChkErr(GetWindowProxyAlias, macWindow, &alias);
+	    if (err == noErr) {
+		err = ChkErr(FSResolveAlias, NULL, alias, &ref, &wasChanged);
+	    }
+	) TK_ENDIF
+	if (err == noErr) {
+	    err = ChkErr(FSRefMakePath, &ref, path, PATH_MAX);
+	}
+	if (err != noErr) {
+	    *path = 0;
+	}
+	result = Tcl_NewStringObj((char*) path, -1);
+	break;
+    }
+    case WMATT_TOPMOST:
+	result = Tcl_NewBooleanObj(wmPtr->flags & WM_TOPMOST);
+	break;
+    case WMATT_TRANSPARENT:
+	result = Tcl_NewBooleanObj(wmPtr->flags & WM_TRANSPARENT);
+	break;
+    case _WMATT_LAST_ATTRIBUTE:
+    default:
+	break;
+    }
+    return result;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmAttributesCmd --
+ *
+ *	This procedure is invoked to process the "wm attributes" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmAttributesCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    int attribute = 0;
+    WindowRef macWindow;
+
+    if (winPtr->window == None) {
+	Tk_MakeWindowExist((Tk_Window) winPtr);
+    }
+    if (!TkMacOSXHostToplevelExists(winPtr)) {
+	TkMacOSXMakeRealWindowExist(winPtr);
+    }
+    macWindow = TkMacOSXDrawableWindow(winPtr->window);
+
+    if (objc == 3) {		/* wm attributes $win */
+	Tcl_Obj *result = Tcl_NewListObj(0,0);
+
+	for (attribute = 0; attribute < _WMATT_LAST_ATTRIBUTE; ++attribute) {
+	    Tcl_ListObjAppendElement(interp, result,
+		    Tcl_NewStringObj(WmAttributeNames[attribute], -1));
+	    Tcl_ListObjAppendElement(interp, result,
+		    WmGetAttribute(winPtr, macWindow, attribute));
+	}
+	Tcl_SetObjResult(interp, result);
+    } else if (objc == 4)  {	/* wm attributes $win -attribute */
+	if (Tcl_GetIndexFromObj(interp, objv[3], WmAttributeNames,
+		    "attribute", 0, &attribute) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	Tcl_SetObjResult(interp, WmGetAttribute(winPtr, macWindow, attribute));
+    } else if ((objc - 3) % 2 == 0) {	/* wm attributes $win -att value... */
+	int i;
+
+	for (i = 3; i < objc; i += 2) {
+	    if (Tcl_GetIndexFromObj(interp, objv[i], WmAttributeNames,
+			"attribute", 0, &attribute) != TCL_OK) {
+		return TCL_ERROR;
+	    }
+	    if (WmSetAttribute(winPtr, macWindow, interp, attribute, objv[i+1])
+		    != TCL_OK) {
+		return TCL_ERROR;
+	    }
+	}
+    } else {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?-attribute ?value ...??");
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmClientCmd --
+ *
+ *	This procedure is invoked to process the "wm client" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmClientCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    char *argv3;
+    int length;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?name?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->clientMachine != NULL) {
+	    Tcl_SetResult(interp, wmPtr->clientMachine, TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetStringFromObj(objv[3], &length);
+    if (argv3[0] == 0) {
+	if (wmPtr->clientMachine != NULL) {
+	    ckfree((char *) wmPtr->clientMachine);
+	    wmPtr->clientMachine = NULL;
+	}
+	return TCL_OK;
+    }
+    if (wmPtr->clientMachine != NULL) {
+	ckfree((char *) wmPtr->clientMachine);
+    }
+    wmPtr->clientMachine = ckalloc((unsigned) length + 1);
+    strcpy(wmPtr->clientMachine, argv3);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmColormapwindowsCmd --
+ *
+ *	This procedure is invoked to process the "wm colormapwindows" Tcl
+ *	command. See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmColormapwindowsCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    TkWindow **cmapList;
+    TkWindow *winPtr2;
+    int i, windowObjc, gotToplevel = 0;
+    Tcl_Obj **windowObjv;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	Tk_MakeWindowExist((Tk_Window) winPtr);
+	for (i = 0; i < wmPtr->cmapCount; i++) {
+	    if ((i == (wmPtr->cmapCount-1))
+		&& (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) {
+		break;
+	    }
+	    Tcl_AppendElement(interp, wmPtr->cmapList[i]->pathName);
+	}
+	return TCL_OK;
+    }
+    if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv)
+	!= TCL_OK) {
+	return TCL_ERROR;
+    }
+    cmapList = (TkWindow **) ckalloc((unsigned)
+	    ((windowObjc+1) * sizeof(TkWindow*)));
+    for (i = 0; i < windowObjc; i++) {
+	if (TkGetWindowFromObj(interp, tkwin, windowObjv[i],
+		(Tk_Window *) &winPtr2) != TCL_OK) {
+	    ckfree((char *) cmapList);
+	    return TCL_ERROR;
+	}
+	if (winPtr2 == winPtr) {
+	    gotToplevel = 1;
+	}
+	if (winPtr2->window == None) {
+	    Tk_MakeWindowExist((Tk_Window) winPtr2);
+	}
+	cmapList[i] = winPtr2;
+    }
+    if (!gotToplevel) {
+	wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP;
+	cmapList[windowObjc] = winPtr;
+	windowObjc++;
+    } else {
+	wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP;
+    }
+    wmPtr->flags |= WM_COLORMAPS_EXPLICIT;
+    if (wmPtr->cmapList != NULL) {
+	ckfree((char *) wmPtr->cmapList);
+    }
+    wmPtr->cmapList = cmapList;
+    wmPtr->cmapCount = windowObjc;
+
+    /*
+     * On the Macintosh all of this is just an excercise in compatability as
+     * we don't support colormaps. If we did they would be installed here.
+     */
+
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmCommandCmd --
+ *
+ *	This procedure is invoked to process the "wm command" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmCommandCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    char *argv3;
+    int cmdArgc;
+    const char **cmdArgv;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?value?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->cmdArgv != NULL) {
+		argv3 = Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv);
+	    Tcl_SetResult(interp, argv3, TCL_VOLATILE);
+	    ckfree(argv3);
+	}
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetString(objv[3]);
+    if (argv3[0] == 0) {
+	if (wmPtr->cmdArgv != NULL) {
+	    ckfree((char *) wmPtr->cmdArgv);
+	    wmPtr->cmdArgv = NULL;
+	}
+	return TCL_OK;
+    }
+    if (Tcl_SplitList(interp, argv3, &cmdArgc, &cmdArgv) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (wmPtr->cmdArgv != NULL) {
+	ckfree((char *) wmPtr->cmdArgv);
+    }
+    wmPtr->cmdArgc = cmdArgc;
+    wmPtr->cmdArgv = cmdArgv;
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmDeiconifyCmd --
+ *
+ *	This procedure is invoked to process the "wm deiconify" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmDeiconifyCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
+	return TCL_ERROR;
+    }
+    if (wmPtr->iconFor != NULL) {
+	Tcl_AppendResult(interp, "can't deiconify ", Tcl_GetString(objv[2]),
+		": it is an icon for ", Tk_PathName(wmPtr->iconFor), NULL);
+	return TCL_ERROR;
+    }
+    if (winPtr->flags & TK_EMBEDDED) {
+	Tcl_AppendResult(interp, "can't deiconify ", winPtr->pathName,
+		": it is an embedded window", NULL);
+	return TCL_ERROR;
+    }
+    TkpWmSetState(winPtr, TkMacOSXIsWindowZoomed(winPtr) ?
+	    ZoomState : NormalState);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmFocusmodelCmd --
+ *
+ *	This procedure is invoked to process the "wm focusmodel" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmFocusmodelCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    static const char *const optionStrings[] = {
+	"active", "passive", NULL };
+    enum options {
+	OPT_ACTIVE, OPT_PASSIVE };
+    int index;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?active|passive?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	Tcl_SetResult(interp, (wmPtr->hints.input ? "passive" : "active"),
+		TCL_STATIC);
+	return TCL_OK;
+    }
+
+    if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
+	    &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (index == OPT_ACTIVE) {
+	wmPtr->hints.input = False;
+    } else { /* OPT_PASSIVE */
+	wmPtr->hints.input = True;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmForgetCmd --
+ *
+ *	This procedure is invoked to process the "wm forget" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmForgetCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel or Frame to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+#if 1
+    Tcl_AppendResult(interp, "wm forget is not yet supported", NULL);
+    return TCL_ERROR;
+#else
+    register Tk_Window frameWin = (Tk_Window)winPtr;
+    char *oldClass = (char*)Tk_Class(frameWin);
+
+    if (Tk_IsTopLevel(frameWin)) {
+	MacDrawable *macWin = (MacDrawable *) winPtr->window;
+	CGrafPtr destPort = TkMacOSXGetDrawablePort(winPtr->window);
+
+	TkFocusJoin(winPtr);
+	Tk_UnmapWindow(frameWin);
+
+	if (destPort != NULL) {
+	    WindowRef winRef = GetWindowFromPort(destPort);
+
+	    TkMacOSXUnregisterMacWindow(winRef);
+	    DisposeWindow(winRef);
+	}
+	macWin->grafPtr = NULL;
+	macWin->toplevel = winPtr->parentPtr->privatePtr->toplevel;
+	macWin->flags &= ~TK_HOST_EXISTS;
+
+	RemapWindows(winPtr, macWin);
+	TkWmDeadWindow(winPtr);
+	winPtr->flags &=
+		~(TK_TOP_HIERARCHY|TK_TOP_LEVEL|TK_HAS_WRAPPER|TK_WIN_MANAGED);
+
+	TkMapTopFrame(frameWin);
+    } else {
+	/* Already not managed by wm - ignore it */
+    }
+    return TCL_OK;
+#endif
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmFrameCmd --
+ *
+ *	This procedure is invoked to process the "wm frame" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmFrameCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Window window;
+    char buf[TCL_INTEGER_SPACE];
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
+	return TCL_ERROR;
+    }
+    window = wmPtr->reparent;
+    if (window == None) {
+	window = Tk_WindowId((Tk_Window) winPtr);
+    }
+    sprintf(buf, "0x%x", (unsigned) window);
+    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmGeometryCmd --
+ *
+ *	This procedure is invoked to process the "wm geometry" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmGeometryCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    char xSign, ySign;
+    int width, height;
+    char *argv3;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	char buf[16 + TCL_INTEGER_SPACE * 4];
+
+	xSign = (wmPtr->flags & WM_NEGATIVE_X) ? '-' : '+';
+	ySign = (wmPtr->flags & WM_NEGATIVE_Y) ? '-' : '+';
+	if (wmPtr->gridWin != NULL) {
+	    width = wmPtr->reqGridWidth + (winPtr->changes.width
+		    - winPtr->reqWidth)/wmPtr->widthInc;
+	    height = wmPtr->reqGridHeight + (winPtr->changes.height
+		    - winPtr->reqHeight)/wmPtr->heightInc;
+	} else {
+	    width = winPtr->changes.width;
+	    height = winPtr->changes.height;
+	}
+	sprintf(buf, "%dx%d%c%d%c%d",
+		width, height, xSign, wmPtr->x, ySign, wmPtr->y);
+	Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetString(objv[3]);
+    if (*argv3 == '\0') {
+	wmPtr->width = -1;
+	wmPtr->height = -1;
+	WmUpdateGeom(wmPtr, winPtr);
+	return TCL_OK;
+    }
+    return ParseGeometry(interp, argv3, winPtr);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmGridCmd --
+ *
+ *	This procedure is invoked to process the "wm grid" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmGridCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int reqWidth, reqHeight, widthInc, heightInc;
+
+    if ((objc != 3) && (objc != 7)) {
+	Tcl_WrongNumArgs(interp, 2, objv,
+		"window ?baseWidth baseHeight widthInc heightInc?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->sizeHintsFlags & PBaseSize) {
+	    char buf[TCL_INTEGER_SPACE * 4];
+
+	    sprintf(buf, "%d %d %d %d", wmPtr->reqGridWidth,
+		    wmPtr->reqGridHeight, wmPtr->widthInc,
+		    wmPtr->heightInc);
+	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	}
+	return TCL_OK;
+    }
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	/*
+	 * Turn off gridding and reset the width and height to make sense as
+	 * ungridded numbers.
+	 */
+
+	wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc);
+	if (wmPtr->width != -1) {
+	    wmPtr->width = winPtr->reqWidth + (wmPtr->width
+		    - wmPtr->reqGridWidth)*wmPtr->widthInc;
+	    wmPtr->height = winPtr->reqHeight + (wmPtr->height
+		    - wmPtr->reqGridHeight)*wmPtr->heightInc;
+	}
+	wmPtr->widthInc = 1;
+	wmPtr->heightInc = 1;
+    } else {
+	if ((Tcl_GetIntFromObj(interp, objv[3], &reqWidth) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[4], &reqHeight) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[5], &widthInc) != TCL_OK)
+		|| (Tcl_GetIntFromObj(interp, objv[6], &heightInc)!=TCL_OK)) {
+	    return TCL_ERROR;
+	}
+	if (reqWidth < 0) {
+	    Tcl_SetResult(interp, "baseWidth can't be < 0", TCL_STATIC);
+	    return TCL_ERROR;
+	}
+	if (reqHeight < 0) {
+	    Tcl_SetResult(interp, "baseHeight can't be < 0", TCL_STATIC);
+	    return TCL_ERROR;
+	}
+	if (widthInc <= 0) {
+	    Tcl_SetResult(interp, "widthInc can't be <= 0", TCL_STATIC);
+	    return TCL_ERROR;
+	}
+	if (heightInc <= 0) {
+	    Tcl_SetResult(interp, "heightInc can't be <= 0", TCL_STATIC);
+	    return TCL_ERROR;
+	}
+	Tk_SetGrid((Tk_Window) winPtr, reqWidth, reqHeight, widthInc,
+		heightInc);
+    }
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmGroupCmd --
+ *
+ *	This procedure is invoked to process the "wm group" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmGroupCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Tk_Window tkwin2;
+    char *argv3;
+    int length;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->hints.flags & WindowGroupHint) {
+	    Tcl_SetResult(interp, wmPtr->leaderName, TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetStringFromObj(objv[3], &length);
+    if (*argv3 == '\0') {
+	wmPtr->hints.flags &= ~WindowGroupHint;
+	if (wmPtr->leaderName != NULL) {
+	    ckfree(wmPtr->leaderName);
+	}
+	wmPtr->leaderName = NULL;
+    } else {
+	if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	Tk_MakeWindowExist(tkwin2);
+	if (wmPtr->leaderName != NULL) {
+	    ckfree(wmPtr->leaderName);
+	}
+	wmPtr->hints.window_group = Tk_WindowId(tkwin2);
+	wmPtr->hints.flags |= WindowGroupHint;
+	wmPtr->leaderName = ckalloc((unsigned) (length + 1));
+	strcpy(wmPtr->leaderName, argv3);
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconbitmapCmd --
+ *
+ *	This procedure is invoked to process the "wm iconbitmap" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconbitmapCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Pixmap pixmap;
+    char *str;
+    int len;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->hints.flags & IconPixmapHint) {
+	    Tcl_SetResult(interp, (char*)Tk_NameOfBitmap(winPtr->display,
+		    wmPtr->hints.icon_pixmap), TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    str = Tcl_GetStringFromObj(objv[3], &len);
+    if (winPtr->window == None) {
+	Tk_MakeWindowExist((Tk_Window) winPtr);
+    }
+    if (!TkMacOSXHostToplevelExists(winPtr)) {
+	TkMacOSXMakeRealWindowExist(winPtr);
+    }
+    if (WmSetAttribute(winPtr, TkMacOSXDrawableWindow(winPtr->window), interp,
+	    WMATT_TITLEPATH, objv[3]) == TCL_OK) {
+	if (!len) {
+	    if (wmPtr->hints.icon_pixmap != None) {
+		Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
+		wmPtr->hints.icon_pixmap = None;
+	    }
+	    wmPtr->hints.flags &= ~IconPixmapHint;
+	}
+    } else {
+	pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, Tk_GetUid(str));
+	if (pixmap == None) {
+	    return TCL_ERROR;
+	}
+	wmPtr->hints.icon_pixmap = pixmap;
+	wmPtr->hints.flags |= IconPixmapHint;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconifyCmd --
+ *
+ *	This procedure is invoked to process the "wm iconify" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconifyCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
+	return TCL_ERROR;
+    }
+    if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
+	Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
+		"\": override-redirect flag is set", NULL);
+	return TCL_ERROR;
+    }
+    if (wmPtr->master != None) {
+	Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
+		"\": it is a transient", NULL);
+	return TCL_ERROR;
+    }
+    if (wmPtr->iconFor != NULL) {
+	Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
+		": it is an icon for ", Tk_PathName(wmPtr->iconFor), NULL);
+	return TCL_ERROR;
+    }
+    if (winPtr->flags & TK_EMBEDDED) {
+	Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
+		": it is an embedded window", NULL);
+	return TCL_ERROR;
+    }
+    TkpWmSetState(winPtr, IconicState);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconmaskCmd --
+ *
+ *	This procedure is invoked to process the "wm iconmask" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconmaskCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Pixmap pixmap;
+    char *argv3;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->hints.flags & IconMaskHint) {
+	    Tcl_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display,
+		    wmPtr->hints.icon_mask), TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetString(objv[3]);
+    if (*argv3 == '\0') {
+	if (wmPtr->hints.icon_mask != None) {
+	    Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
+	}
+	wmPtr->hints.flags &= ~IconMaskHint;
+    } else {
+	pixmap = Tk_GetBitmap(interp, tkwin, argv3);
+	if (pixmap == None) {
+	    return TCL_ERROR;
+	}
+	wmPtr->hints.icon_mask = pixmap;
+	wmPtr->hints.flags |= IconMaskHint;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconnameCmd --
+ *
+ *	This procedure is invoked to process the "wm iconname" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconnameCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    const char *argv3;
+    int length;
+
+    if (objc > 4) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->iconName != NULL) {
+	    Tcl_SetObjResult(interp, Tcl_NewStringObj(wmPtr->iconName, -1));
+	}
+	return TCL_OK;
+    }
+
+    if (wmPtr->iconName != NULL) {
+	ckfree((char *) wmPtr->iconName);
+    }
+    argv3 = Tcl_GetStringFromObj(objv[3], &length);
+    wmPtr->iconName = ckalloc((unsigned) length + 1);
+    strcpy(wmPtr->iconName, argv3);
+    if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
+	XSetIconName(winPtr->display, winPtr->window, wmPtr->iconName);
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconphotoCmd --
+ *
+ *	This procedure is invoked to process the "wm iconphoto" Tcl command.
+ *	See the user documentation for details on what it does. Not yet
+ *	implemented for OS X.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconphotoCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    Tk_PhotoHandle photo;
+    int i, width, height, isDefault = 0;
+
+    if (objc < 4) {
+	Tcl_WrongNumArgs(interp, 2, objv,
+		"window ?-default? image1 ?image2 ...?");
+	return TCL_ERROR;
+    }
+    if (strcmp(Tcl_GetString(objv[3]), "-default") == 0) {
+	isDefault = 1;
+	if (objc == 4) {
+	    Tcl_WrongNumArgs(interp, 2, objv,
+		    "window ?-default? image1 ?image2 ...?");
+	    return TCL_ERROR;
+	}
+    }
+
+    /*
+     * Iterate over all images to retrieve their sizes, in order to allocate a
+     * buffer large enough to hold all images.
+     */
+
+    for (i = 3 + isDefault; i < objc; i++) {
+	photo = Tk_FindPhoto(interp, Tcl_GetString(objv[i]));
+	if (photo == NULL) {
+	    Tcl_AppendResult(interp, "can't use \"", Tcl_GetString(objv[i]),
+		    "\" as iconphoto: not a photo image", NULL);
+	    return TCL_ERROR;
+	}
+	Tk_PhotoGetSize(photo, &width, &height);
+    }
+
+    /*
+     * TODO: This requires implementation for OS X, but we silently return for
+     * now.
+     */
+
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconpositionCmd --
+ *
+ *	This procedure is invoked to process the "wm iconposition" Tcl
+ *	command. See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconpositionCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int x, y;
+
+    if ((objc != 3) && (objc != 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?x y?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->hints.flags & IconPositionHint) {
+	    char buf[TCL_INTEGER_SPACE * 2];
+
+	    sprintf(buf, "%d %d", wmPtr->hints.icon_x,
+		    wmPtr->hints.icon_y);
+	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	}
+	return TCL_OK;
+    }
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	wmPtr->hints.flags &= ~IconPositionHint;
+    } else {
+	if ((Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK)
+	    || (Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK)){
+	    return TCL_ERROR;
+	}
+	wmPtr->hints.icon_x = x;
+	wmPtr->hints.icon_y = y;
+	wmPtr->hints.flags |= IconPositionHint;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmIconwindowCmd --
+ *
+ *	This procedure is invoked to process the "wm iconwindow" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmIconwindowCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Tk_Window tkwin2;
+    WmInfo *wmPtr2;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->icon != NULL) {
+	    Tcl_SetResult(interp, Tk_PathName(wmPtr->icon), TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	wmPtr->hints.flags &= ~IconWindowHint;
+	if (wmPtr->icon != NULL) {
+	    wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
+	    wmPtr2->iconFor = NULL;
+	    wmPtr2->hints.initial_state = WithdrawnState;
+	}
+	wmPtr->icon = NULL;
+    } else {
+	if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (!Tk_IsTopLevel(tkwin2)) {
+	    Tcl_AppendResult(interp, "can't use ", Tcl_GetString(objv[3]),
+		    " as icon window: not at top level", NULL);
+	    return TCL_ERROR;
+	}
+	wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr;
+	if (wmPtr2->iconFor != NULL) {
+	    Tcl_AppendResult(interp, Tcl_GetString(objv[3]),
+		    " is already an icon for ",
+		    Tk_PathName(wmPtr2->iconFor), NULL);
+	    return TCL_ERROR;
+	}
+	if (wmPtr->icon != NULL) {
+	    WmInfo *wmPtr3 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
+	    wmPtr3->iconFor = NULL;
+	}
+	Tk_MakeWindowExist(tkwin2);
+	wmPtr->hints.icon_window = Tk_WindowId(tkwin2);
+	wmPtr->hints.flags |= IconWindowHint;
+	wmPtr->icon = tkwin2;
+	wmPtr2->iconFor = (Tk_Window) winPtr;
+	if (!(wmPtr2->flags & WM_NEVER_MAPPED)) {
+	    /*
+	     * Don't have iconwindows on the Mac. We just withdraw.
+	     */
+
+	    Tk_UnmapWindow(tkwin2);
+	}
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmManageCmd --
+ *
+ *	This procedure is invoked to process the "wm manage" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmManageCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,           /* Toplevel or Frame to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+#if 1
+    Tcl_AppendResult(interp, "wm manage is not yet supported", NULL);
+    return TCL_ERROR;
+#else
+    register Tk_Window frameWin = (Tk_Window)winPtr;
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    char *oldClass = (char*)Tk_Class(frameWin);
+
+    if (!Tk_IsTopLevel(frameWin)) {
+	MacDrawable *macWin = (MacDrawable *) winPtr->window;
+
+	if (!Tk_IsManageable(frameWin)) {
+	    Tcl_AppendResult(interp, "window \"",
+		Tk_PathName(frameWin), "\" is not manageable: must be "
+		"a frame, labelframe or toplevel", NULL);
+	    return TCL_ERROR;
+	}
+	TkFocusSplit(winPtr);
+	Tk_UnmapWindow(frameWin);
+	if (wmPtr == NULL) {
+	    TkWmNewWindow(winPtr);
+	    if (winPtr->window == None) {
+		Tk_MakeWindowExist((Tk_Window) winPtr);
+		macWin = (MacDrawable *) winPtr->window;
+	    }
+	    TkWmMapWindow(winPtr);
+	    Tk_UnmapWindow(frameWin);
+	}
+	wmPtr = winPtr->wmInfoPtr;
+	winPtr->flags &= ~TK_MAPPED;
+	macWin->grafPtr = NULL;
+	macWin->toplevel = macWin;
+	RemapWindows(winPtr, macWin);
+	winPtr->flags |=
+		(TK_TOP_HIERARCHY|TK_TOP_LEVEL|TK_HAS_WRAPPER|TK_WIN_MANAGED);
+	TkMapTopFrame(frameWin);
+    } else if (Tk_IsTopLevel(frameWin)) {
+	/* Already managed by wm - ignore it */
+    }
+    return TCL_OK;
+#endif
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmMaxsizeCmd --
+ *
+ *	This procedure is invoked to process the "wm maxsize" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmMaxsizeCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int width, height;
+
+    if ((objc != 3) && (objc != 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	char buf[TCL_INTEGER_SPACE * 2];
+
+	GetMaxSize(winPtr, &width, &height);
+	sprintf(buf, "%d %d", width, height);
+	Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	return TCL_OK;
+    }
+    if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK)
+	|| (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) {
+	return TCL_ERROR;
+    }
+    wmPtr->maxWidth = width;
+    wmPtr->maxHeight = height;
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmMinsizeCmd --
+ *
+ *	This procedure is invoked to process the "wm minsize" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmMinsizeCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int width, height;
+
+    if ((objc != 3) && (objc != 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	char buf[TCL_INTEGER_SPACE * 2];
+
+	GetMinSize(winPtr, &width, &height);
+	sprintf(buf, "%d %d", width, height);
+	Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	return TCL_OK;
+    }
+    if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK)
+	    || (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) {
+	return TCL_ERROR;
+    }
+    wmPtr->minWidth = width;
+    wmPtr->minHeight = height;
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmOverrideredirectCmd --
+ *
+ *	This procedure is invoked to process the "wm overrideredirect" Tcl
+ *	command. See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmOverrideredirectCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    int boolean;
+    XSetWindowAttributes atts;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
+		Tk_Attributes((Tk_Window) winPtr)->override_redirect));
+	return TCL_OK;
+    }
+    if (Tcl_GetBooleanFromObj(interp, objv[3], &boolean) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    atts.override_redirect = (boolean) ? True : False;
+    Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect, &atts);
+    ApplyMasterOverrideChanges(winPtr, NULL);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmPositionfromCmd --
+ *
+ *	This procedure is invoked to process the "wm positionfrom" Tcl
+ *	command. See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmPositionfromCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    static const char *const optionStrings[] = {
+	"program", "user", NULL };
+    enum options {
+	OPT_PROGRAM, OPT_USER };
+    int index;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?user/program?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->sizeHintsFlags & USPosition) {
+	    Tcl_SetResult(interp, "user", TCL_STATIC);
+	} else if (wmPtr->sizeHintsFlags & PPosition) {
+	    Tcl_SetResult(interp, "program", TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	wmPtr->sizeHintsFlags &= ~(USPosition|PPosition);
+    } else {
+	if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
+		&index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (index == OPT_USER) {
+	    wmPtr->sizeHintsFlags &= ~PPosition;
+	    wmPtr->sizeHintsFlags |= USPosition;
+	} else {
+	    wmPtr->sizeHintsFlags &= ~USPosition;
+	    wmPtr->sizeHintsFlags |= PPosition;
+	}
+    }
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmProtocolCmd --
+ *
+ *	This procedure is invoked to process the "wm protocol" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmProtocolCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    register ProtocolHandler *protPtr, *prevPtr;
+    Atom protocol;
+    char *cmd;
+    int cmdLength;
+
+    if ((objc < 3) || (objc > 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?name? ?command?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	/*
+	 * Return a list of all defined protocols for the window.
+	 */
+
+	for (protPtr = wmPtr->protPtr; protPtr != NULL;
+		protPtr = protPtr->nextPtr) {
+	    Tcl_AppendElement(interp,
+		    Tk_GetAtomName((Tk_Window) winPtr, protPtr->protocol));
+	}
+	return TCL_OK;
+    }
+    protocol = Tk_InternAtom((Tk_Window) winPtr, Tcl_GetString(objv[3]));
+    if (objc == 4) {
+	/*
+	 * Return the command to handle a given protocol.
+	 */
+
+	for (protPtr = wmPtr->protPtr; protPtr != NULL;
+		protPtr = protPtr->nextPtr) {
+	    if (protPtr->protocol == protocol) {
+		Tcl_SetResult(interp, protPtr->command, TCL_STATIC);
+		return TCL_OK;
+	    }
+	}
+	return TCL_OK;
+    }
+
+    /*
+     * Delete any current protocol handler, then create a new one with the
+     * specified command, unless the command is empty.
+     */
+
+    for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL;
+	prevPtr = protPtr, protPtr = protPtr->nextPtr) {
+	if (protPtr->protocol == protocol) {
+	    if (prevPtr == NULL) {
+		wmPtr->protPtr = protPtr->nextPtr;
+	    } else {
+		prevPtr->nextPtr = protPtr->nextPtr;
+	    }
+	    Tcl_EventuallyFree(protPtr, TCL_DYNAMIC);
+	    break;
+	}
+    }
+    cmd = Tcl_GetStringFromObj(objv[4], &cmdLength);
+    if (cmdLength > 0) {
+	protPtr = (ProtocolHandler *) ckalloc(HANDLER_SIZE(cmdLength));
+	protPtr->protocol = protocol;
+	protPtr->nextPtr = wmPtr->protPtr;
+	wmPtr->protPtr = protPtr;
+	protPtr->interp = interp;
+	strcpy(protPtr->command, cmd);
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmResizableCmd --
+ *
+ *	This procedure is invoked to process the "wm resizable" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmResizableCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int width, height;
+    WindowAttributes oldAttributes = wmPtr->attributes;
+
+    if ((objc != 3) && (objc != 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	char buf[TCL_INTEGER_SPACE * 2];
+
+	sprintf(buf, "%d %d",
+		(wmPtr->flags  & WM_WIDTH_NOT_RESIZABLE) ? 0 : 1,
+		(wmPtr->flags  & WM_HEIGHT_NOT_RESIZABLE) ? 0 : 1);
+	Tcl_SetResult(interp, buf, TCL_VOLATILE);
+	return TCL_OK;
+    }
+    if ((Tcl_GetBooleanFromObj(interp, objv[3], &width) != TCL_OK)
+	|| (Tcl_GetBooleanFromObj(interp, objv[4], &height) != TCL_OK)) {
+	return TCL_ERROR;
+    }
+    if (width) {
+	wmPtr->flags &= ~WM_WIDTH_NOT_RESIZABLE;
+	wmPtr->attributes |= kWindowHorizontalZoomAttribute;
+    } else {
+	wmPtr->flags |= WM_WIDTH_NOT_RESIZABLE;
+	wmPtr->attributes &= ~kWindowHorizontalZoomAttribute;
+    }
+    if (height) {
+	wmPtr->flags &= ~WM_HEIGHT_NOT_RESIZABLE;
+	wmPtr->attributes |= kWindowVerticalZoomAttribute;
+    } else {
+	wmPtr->flags |= WM_HEIGHT_NOT_RESIZABLE;
+	wmPtr->attributes &= ~kWindowVerticalZoomAttribute;
+    }
+    if (width || height) {
+	wmPtr->attributes |= kWindowResizableAttribute;
+    } else {
+	wmPtr->attributes &= ~kWindowResizableAttribute;
+    }
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    if (wmPtr->scrollWinPtr != NULL) {
+	TkScrollbarEventuallyRedraw((TkScrollbar *)
+		wmPtr->scrollWinPtr->instanceData);
+    }
+    WmUpdateGeom(wmPtr, winPtr);
+    ApplyWindowClassAttributeChanges(winPtr, NULL, wmPtr->macClass,
+	    oldAttributes, 1);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmSizefromCmd --
+ *
+ *	This procedure is invoked to process the "wm sizefrom" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmSizefromCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    static const char *const optionStrings[] = {
+	"program", "user", NULL };
+    enum options {
+	OPT_PROGRAM, OPT_USER };
+    int index;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?user|program?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->sizeHintsFlags & USSize) {
+	    Tcl_SetResult(interp, "user", TCL_STATIC);
+	} else if (wmPtr->sizeHintsFlags & PSize) {
+	    Tcl_SetResult(interp, "program", TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+
+    if (*Tcl_GetString(objv[3]) == '\0') {
+	wmPtr->sizeHintsFlags &= ~(USSize|PSize);
+    } else {
+	if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
+		&index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (index == OPT_USER) {
+	    wmPtr->sizeHintsFlags &= ~PSize;
+	    wmPtr->sizeHintsFlags |= USSize;
+	} else { /* OPT_PROGRAM */
+	    wmPtr->sizeHintsFlags &= ~USSize;
+	    wmPtr->sizeHintsFlags |= PSize;
+	}
+    }
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    WmUpdateGeom(wmPtr, winPtr);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmStackorderCmd --
+ *
+ *	This procedure is invoked to process the "wm stackorder" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmStackorderCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    TkWindow **windows, **window_ptr;
+    static const char *const optionStrings[] = {
+	"isabove", "isbelow", NULL };
+    enum options {
+	OPT_ISABOVE, OPT_ISBELOW };
+    int index;
+
+    if ((objc != 3) && (objc != 5)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?isabove|isbelow window?");
+	return TCL_ERROR;
+    }
+
+    if (objc == 3) {
+	windows = TkWmStackorderToplevel(winPtr);
+	if (windows == NULL) {
+	    Tcl_Panic("TkWmStackorderToplevel failed");
+	}
+
+	for (window_ptr = windows; *window_ptr ; window_ptr++) {
+	    Tcl_AppendElement(interp, (*window_ptr)->pathName);
+	}
+	ckfree((char *) windows);
+	return TCL_OK;
+    } else {
+	TkWindow *winPtr2;
+	int index1=-1, index2=-1, result;
+
+	if (TkGetWindowFromObj(interp, tkwin, objv[4], (Tk_Window *) &winPtr2)
+	    != TCL_OK) {
+	    return TCL_ERROR;
+	}
+
+	if (!Tk_IsTopLevel(winPtr2)) {
+	    Tcl_AppendResult(interp, "window \"", winPtr2->pathName,
+		    "\" isn't a top-level window", NULL);
+	    return TCL_ERROR;
+	}
+
+	if (!Tk_IsMapped(winPtr)) {
+	    Tcl_AppendResult(interp, "window \"", winPtr->pathName,
+		    "\" isn't mapped", NULL);
+	    return TCL_ERROR;
+	}
+
+	if (!Tk_IsMapped(winPtr2)) {
+	    Tcl_AppendResult(interp, "window \"", winPtr2->pathName,
+		    "\" isn't mapped", NULL);
+	    return TCL_ERROR;
+	}
+
+	/*
+	 * Lookup stacking order of all toplevels that are children of "." and
+	 * find the position of winPtr and winPtr2 in the stacking order.
+	 */
+
+	windows = TkWmStackorderToplevel(winPtr->mainPtr->winPtr);
+	if (windows == NULL) {
+	    Tcl_AppendResult(interp, "TkWmStackorderToplevel failed", NULL);
+	    return TCL_ERROR;
+	}
+
+	for (window_ptr = windows; *window_ptr ; window_ptr++) {
+	    if (*window_ptr == winPtr) {
+		index1 = (window_ptr - windows);
+	    }
+	    if (*window_ptr == winPtr2) {
+		index2 = (window_ptr - windows);
+	    }
+	}
+	if (index1 == -1) {
+	    Tcl_Panic("winPtr window not found");
+	}
+	if (index2 == -1) {
+	    Tcl_Panic("winPtr2 window not found");
+	}
+
+	ckfree((char *) windows);
+
+	if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
+		&index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (index == OPT_ISABOVE) {
+	    result = index1 > index2;
+	} else { /* OPT_ISBELOW */
+	    result = index1 < index2;
+	}
+	Tcl_SetObjResult(interp, Tcl_NewBooleanObj(result));
+	return TCL_OK;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmStateCmd --
+ *
+ *	This procedure is invoked to process the "wm state" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmStateCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    static const char *const optionStrings[] = {
+	"normal", "iconic", "withdrawn", "zoomed", NULL };
+    enum options {
+	OPT_NORMAL, OPT_ICONIC, OPT_WITHDRAWN, OPT_ZOOMED };
+    int index;
+
+    if ((objc < 3) || (objc > 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?state?");
+	return TCL_ERROR;
+    }
+    if (objc == 4) {
+	if (wmPtr->iconFor != NULL) {
+	    Tcl_AppendResult(interp, "can't change state of ",
+		    Tcl_GetString(objv[2]), ": it is an icon for ",
+		    Tk_PathName(wmPtr->iconFor), NULL);
+	    return TCL_ERROR;
+	}
+	if (winPtr->flags & TK_EMBEDDED) {
+	    Tcl_AppendResult(interp, "can't change state of ",
+		    winPtr->pathName, ": it is an embedded window", NULL);
+	    return TCL_ERROR;
+	}
+
+	if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
+				&index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+
+	if (index == OPT_NORMAL) {
+	    TkpWmSetState(winPtr, NormalState);
+
+	    /*
+	     * This varies from 'wm deiconify' because it does not force the
+	     * window to be raised and receive focus
+	     */
+	} else if (index == OPT_ICONIC) {
+	    if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
+		Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
+			"\": override-redirect flag is set", NULL);
+		return TCL_ERROR;
+	    }
+	    if (wmPtr->master != None) {
+		Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
+			"\": it is a transient", NULL);
+		return TCL_ERROR;
+	    }
+	    TkpWmSetState(winPtr, IconicState);
+	} else if (index == OPT_WITHDRAWN) {
+	    TkpWmSetState(winPtr, WithdrawnState);
+	} else { /* OPT_ZOOMED */
+	    TkpWmSetState(winPtr, ZoomState);
+	}
+    } else if (wmPtr->iconFor != NULL) {
+	Tcl_SetResult(interp, "icon", TCL_STATIC);
+    } else {
+	if (wmPtr->hints.initial_state == NormalState ||
+		wmPtr->hints.initial_state == ZoomState) {
+	    wmPtr->hints.initial_state = (TkMacOSXIsWindowZoomed(winPtr) ?
+		    ZoomState : NormalState);
+	}
+	switch (wmPtr->hints.initial_state) {
+	case NormalState:
+	    Tcl_SetResult(interp, "normal", TCL_STATIC);
+	    break;
+	case IconicState:
+	    Tcl_SetResult(interp, "iconic", TCL_STATIC);
+	    break;
+	case WithdrawnState:
+	    Tcl_SetResult(interp, "withdrawn", TCL_STATIC);
+	    break;
+	case ZoomState:
+	    Tcl_SetResult(interp, "zoomed", TCL_STATIC);
+	    break;
+	}
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmTitleCmd --
+ *
+ *	This procedure is invoked to process the "wm title" Tcl command. See
+ *	the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmTitleCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    char *argv3;
+    int length;
+
+    if (objc > 4) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	Tcl_SetResult(interp, (char *)((wmPtr->titleUid != NULL) ?
+		wmPtr->titleUid : winPtr->nameUid), TCL_STATIC);
+	return TCL_OK;
+    }
+    argv3 = Tcl_GetStringFromObj(objv[3], &length);
+    wmPtr->titleUid = Tk_GetUid(argv3);
+    if (!(wmPtr->flags & WM_NEVER_MAPPED) && !Tk_IsEmbedded(winPtr)) {
+	TkSetWMName(winPtr, wmPtr->titleUid);
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmTransientCmd --
+ *
+ *	This procedure is invoked to process the "wm transient" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmTransientCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Tk_Window master;
+    WmInfo *wmPtr2;
+    char *argv3;
+    int length;
+
+    if ((objc != 3) && (objc != 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?master?");
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	if (wmPtr->master != None) {
+	    Tcl_SetResult(interp, wmPtr->masterWindowName, TCL_STATIC);
+	}
+	return TCL_OK;
+    }
+    if (Tcl_GetString(objv[3])[0] == '\0') {
+	wmPtr->master = None;
+	if (wmPtr->masterWindowName != NULL) {
+	    ckfree(wmPtr->masterWindowName);
+	}
+	wmPtr->masterWindowName = NULL;
+    } else {
+	if (TkGetWindowFromObj(interp, tkwin, objv[3], &master) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	Tk_MakeWindowExist(master);
+
+	if (wmPtr->iconFor != NULL) {
+	    Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[2]),
+		    "\" a transient: it is an icon for ",
+		    Tk_PathName(wmPtr->iconFor), NULL);
+	    return TCL_ERROR;
+	}
+
+	wmPtr2 = ((TkWindow *) master)->wmInfoPtr;
+
+	/* Under some circumstances, wmPtr2 is NULL here */
+	if (wmPtr2 != NULL && wmPtr2->iconFor != NULL) {
+	    Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[3]),
+		    "\" a master: it is an icon for ",
+		    Tk_PathName(wmPtr2->iconFor), NULL);
+	    return TCL_ERROR;
+	}
+
+	if ((TkWindow *) master == winPtr) {
+	    Tcl_AppendResult(interp, "can't make \"", Tk_PathName(winPtr),
+		    "\" its own master", NULL);
+	    return TCL_ERROR;
+	}
+
+	argv3 = Tcl_GetStringFromObj(objv[3], &length);
+	wmPtr->master = Tk_WindowId(master);
+	if (wmPtr->masterWindowName != NULL) {
+	    ckfree(wmPtr->masterWindowName);
+	}
+	wmPtr->masterWindowName = ckalloc((unsigned) length+1);
+	strcpy(wmPtr->masterWindowName, argv3);
+    }
+    ApplyMasterOverrideChanges(winPtr, NULL);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmWithdrawCmd --
+ *
+ *	This procedure is invoked to process the "wm withdraw" Tcl command.
+ *	See the user documentation for details on what it does.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmWithdrawCmd(
+    Tk_Window tkwin,		/* Main window of the application. */
+    TkWindow *winPtr,		/* Toplevel to work with */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    register WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
+	return TCL_ERROR;
+    }
+    if (wmPtr->iconFor != NULL) {
+	Tcl_AppendResult(interp, "can't withdraw ", Tcl_GetString(objv[2]),
+		": it is an icon for ", Tk_PathName(wmPtr->iconFor), NULL);
+	return TCL_ERROR;
+    }
+    TkpWmSetState(winPtr, WithdrawnState);
+    return TCL_OK;
+}
+
+/*
+ * Invoked by those wm subcommands that affect geometry.
+ * Schedules a geometry update.
+ */
+
+static void
+WmUpdateGeom(
+    WmInfo *wmPtr,
+    TkWindow *winPtr)
+{
+    if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+	Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+	wmPtr->flags |= WM_UPDATE_PENDING;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_SetGrid --
+ *
+ *	This procedure is invoked by a widget when it wishes to set a grid
+ *	coordinate system that controls the size of a top-level window. It
+ *	provides a C interface equivalent to the "wm grid" command and is
+ *	usually asscoiated with the -setgrid option.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Grid-related information will be passed to the window manager, so that
+ *	the top-level window associated with tkwin will resize on even grid
+ *	units. If some other window already controls gridding for the
+ *	top-level window then this procedure call has no effect.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_SetGrid(
+    Tk_Window tkwin,		/* Token for window. New window mgr info will
+				 * be posted for the top-level window
+				 * associated with this window. */
+    int reqWidth,		/* Width (in grid units) corresponding to the
+				 * requested geometry for tkwin. */
+    int reqHeight,		/* Height (in grid units) corresponding to the
+				 * requested geometry for tkwin. */
+    int widthInc, int heightInc)/* Pixel increments corresponding to a change
+				 * of one grid unit. */
+{
+    TkWindow *winPtr = (TkWindow *) tkwin;
+    WmInfo *wmPtr;
+
+    /*
+     * Ensure widthInc and heightInc are greater than 0
+     */
+
+    if (widthInc <= 0) {
+	widthInc = 1;
+    }
+    if (heightInc <= 0) {
+	heightInc = 1;
+    }
+
+    /*
+     * Find the top-level window for tkwin, plus the window manager
+     * information.
+     */
+
+    while (!(winPtr->flags & TK_TOP_LEVEL)) {
+	winPtr = winPtr->parentPtr;
+    }
+    wmPtr = winPtr->wmInfoPtr;
+
+    if ((wmPtr->gridWin != NULL) && (wmPtr->gridWin != tkwin)) {
+	return;
+    }
+
+    if ((wmPtr->reqGridWidth == reqWidth)
+	    && (wmPtr->reqGridHeight == reqHeight)
+	    && (wmPtr->widthInc == widthInc)
+	    && (wmPtr->heightInc == heightInc)
+	    && ((wmPtr->sizeHintsFlags & (PBaseSize|PResizeInc))
+		    == (PBaseSize|PResizeInc))) {
+	return;
+    }
+
+    /*
+     * If gridding was previously off, then forget about any window size
+     * requests made by the user or via "wm geometry": these are in pixel
+     * units and there's no easy way to translate them to grid units since the
+     * new requested size of the top-level window in pixels may not yet have
+     * been registered yet (it may filter up the hierarchy in DoWhenIdle
+     * handlers). However, if the window has never been mapped yet then just
+     * leave the window size alone: assume that it is intended to be in grid
+     * units but just happened to have been specified before this procedure
+     * was called.
+     */
+
+    if ((wmPtr->gridWin == NULL) && !(wmPtr->flags & WM_NEVER_MAPPED)) {
+	wmPtr->width = -1;
+	wmPtr->height = -1;
+    }
+
+    /*
+     * Set the new gridding information, and start the process of passing all
+     * of this information to the window manager.
+     */
+
+    wmPtr->gridWin = tkwin;
+    wmPtr->reqGridWidth = reqWidth;
+    wmPtr->reqGridHeight = reqHeight;
+    wmPtr->widthInc = widthInc;
+    wmPtr->heightInc = heightInc;
+    wmPtr->sizeHintsFlags |= PBaseSize|PResizeInc;
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+	Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+	wmPtr->flags |= WM_UPDATE_PENDING;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_UnsetGrid --
+ *
+ *	This procedure cancels the effect of a previous call to Tk_SetGrid.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	If tkwin currently controls gridding for its top-level window,
+ *	gridding is cancelled for that top-level window; if some other window
+ *	controls gridding then this procedure has no effect.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_UnsetGrid(
+    Tk_Window tkwin)		/* Token for window that is currently
+				 * controlling gridding. */
+{
+    TkWindow *winPtr = (TkWindow *) tkwin;
+    WmInfo *wmPtr;
+
+    /*
+     * Find the top-level window for tkwin, plus the window manager
+     * information.
+     */
+
+    while (!(winPtr->flags & TK_TOP_LEVEL)) {
+	winPtr = winPtr->parentPtr;
+    }
+    wmPtr = winPtr->wmInfoPtr;
+    if (tkwin != wmPtr->gridWin) {
+	return;
+    }
+
+    wmPtr->gridWin = NULL;
+    wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc);
+    if (wmPtr->width != -1) {
+	wmPtr->width = winPtr->reqWidth + (wmPtr->width
+		- wmPtr->reqGridWidth)*wmPtr->widthInc;
+	wmPtr->height = winPtr->reqHeight + (wmPtr->height
+		- wmPtr->reqGridHeight)*wmPtr->heightInc;
+    }
+    wmPtr->widthInc = 1;
+    wmPtr->heightInc = 1;
+
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+	Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+	wmPtr->flags |= WM_UPDATE_PENDING;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TopLevelEventProc --
+ *
+ *	This procedure is invoked when a top-level (or other externally-
+ *	managed window) is restructured in any way.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Tk's internal data structures for the window get modified to reflect
+ *	the structural change.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+TopLevelEventProc(
+    ClientData clientData,	/* Window for which event occurred. */
+    XEvent *eventPtr)		/* Event that just happened. */
+{
+    TkWindow *winPtr = clientData;
+
+    winPtr->wmInfoPtr->flags |= WM_VROOT_OFFSET_STALE;
+    if (eventPtr->type == DestroyNotify) {
+	if (!(winPtr->flags & TK_ALREADY_DEAD)) {
+	    /*
+	     * A top-level window was deleted externally (e.g., by the window
+	     * manager). This is probably not a good thing, but cleanup as
+	     * best we can. The error handler is needed because
+	     * Tk_DestroyWindow will try to destroy the window, but of course
+	     * it's already gone.
+	     */
+
+	    Tk_ErrorHandler handler = Tk_CreateErrorHandler(winPtr->display,
+		    -1, -1, -1, NULL, NULL);
+
+	    Tk_DestroyWindow((Tk_Window) winPtr);
+	    Tk_DeleteErrorHandler(handler);
+	}
+	if (wmTracing) {
+	    TkMacOSXDbgMsg("TopLevelEventProc: %s deleted", winPtr->pathName);
+	}
+    } else if (eventPtr->type == ReparentNotify) {
+	Tcl_Panic("recieved unwanted reparent event");
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TopLevelReqProc --
+ *
+ *	This procedure is invoked by the geometry manager whenever the
+ *	requested size for a top-level window is changed.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Arrange for the window to be resized to satisfy the request (this
+ *	happens as a when-idle action).
+ *
+ *----------------------------------------------------------------------
+ */
+
+	/* ARGSUSED */
+static void
+TopLevelReqProc(
+    ClientData dummy,		/* Not used. */
+    Tk_Window tkwin)		/* Information about window. */
+{
+    TkWindow *winPtr = (TkWindow *) tkwin;
+    WmInfo *wmPtr;
+
+    wmPtr = winPtr->wmInfoPtr;
+    wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+	Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+	wmPtr->flags |= WM_UPDATE_PENDING;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * UpdateGeometryInfo --
+ *
+ *	This procedure is invoked when a top-level window is first mapped, and
+ *	also as a when-idle procedure, to bring the geometry and/or position
+ *	of a top-level window back into line with what has been requested by
+ *	the user and/or widgets. This procedure doesn't return until the
+ *	window manager has responded to the geometry change.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The window's size and location may change, unless the WM prevents that
+ *	from happening.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+UpdateGeometryInfo(
+    ClientData clientData)	/* Pointer to the window's record. */
+{
+    TkWindow *winPtr = clientData;
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int x, y, width, height, min, max;
+
+    wmPtr->flags &= ~WM_UPDATE_PENDING;
+
+    if (wmPtr->flags & WM_FULLSCREEN) {
+	return;
+    }
+
+    /*
+     * Compute the new size for the top-level window. See the user
+     * documentation for details on this, but the size requested depends on
+     * (a) the size requested internally by the window's widgets, (b) the size
+     * requested by the user in a "wm geometry" command or via wm-based
+     * interactive resizing (if any), and (c) whether or not the window is
+     * gridded. Don't permit sizes <= 0 because this upsets the X server.
+     */
+
+    if (wmPtr->width == -1) {
+	width = winPtr->reqWidth;
+    } else if (wmPtr->gridWin != NULL) {
+	width = winPtr->reqWidth
+		+ (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc;
+    } else {
+	width = wmPtr->width;
+    }
+    if (width <= 0) {
+	width = 1;
+    }
+
+    /*
+     * Account for window max/min width
+     */
+
+    if (wmPtr->gridWin != NULL) {
+	min = winPtr->reqWidth
+		+ (wmPtr->minWidth - wmPtr->reqGridWidth)*wmPtr->widthInc;
+	if (wmPtr->maxWidth > 0) {
+	    max = winPtr->reqWidth
+		    + (wmPtr->maxWidth - wmPtr->reqGridWidth)*wmPtr->widthInc;
+	} else {
+	    max = 0;
+	}
+    } else {
+	min = wmPtr->minWidth;
+	max = wmPtr->maxWidth;
+    }
+    if (width < min) {
+	width = min;
+    } else if ((max > 0) && (width > max)) {
+	width = max;
+    }
+
+    if (wmPtr->height == -1) {
+	height = winPtr->reqHeight;
+    } else if (wmPtr->gridWin != NULL) {
+	height = winPtr->reqHeight
+		+ (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc;
+    } else {
+	height = wmPtr->height;
+    }
+    if (height <= 0) {
+	height = 1;
+    }
+
+    /*
+     * Account for window max/min height
+     */
+
+    if (wmPtr->gridWin != NULL) {
+	min = winPtr->reqHeight
+		+ (wmPtr->minHeight - wmPtr->reqGridHeight)*wmPtr->heightInc;
+	if (wmPtr->maxHeight > 0) {
+	    max = winPtr->reqHeight
+		    + (wmPtr->maxHeight-wmPtr->reqGridHeight)*wmPtr->heightInc;
+	} else {
+	    max = 0;
+	}
+    } else {
+	min = wmPtr->minHeight;
+	max = wmPtr->maxHeight;
+    }
+    if (height < min) {
+	height = min;
+    } else if ((max > 0) && (height > max)) {
+	height = max;
+    }
+
+    /*
+     * Compute the new position for the upper-left pixel of the window's
+     * decorative frame. This is tricky, because we need to include the border
+     * widths supplied by a reparented parent in this calculation, but can't
+     * use the parent's current overall size since that may change as a result
+     * of this code.
+     */
+
+    if (wmPtr->flags & WM_NEGATIVE_X) {
+	x = wmPtr->vRootWidth - wmPtr->x
+	    - (width + (wmPtr->parentWidth - winPtr->changes.width));
+    } else {
+	x =  wmPtr->x;
+    }
+    if (wmPtr->flags & WM_NEGATIVE_Y) {
+	y = wmPtr->vRootHeight - wmPtr->y
+	    - (height + (wmPtr->parentHeight - winPtr->changes.height));
+    } else {
+	y =  wmPtr->y;
+    }
+
+    /*
+     * If the window's size is going to change and the window is supposed to
+     * not be resizable by the user, then we have to update the size hints.
+     * There may also be a size-hint-update request pending from somewhere
+     * else, too.
+     */
+
+    if (((width != winPtr->changes.width)
+	    || (height != winPtr->changes.height))
+	    && (wmPtr->gridWin == NULL)
+	    && ((wmPtr->sizeHintsFlags & (PMinSize|PMaxSize)) == 0)) {
+	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    }
+    if (wmPtr->flags & WM_UPDATE_SIZE_HINTS) {
+	UpdateSizeHints(winPtr);
+    }
+
+    /*
+     * Reconfigure the window if it isn't already configured correctly. A few
+     * tricky points:
+     *
+     * 1. If the window is embedded and the container is also in this process,
+     *    don't actually reconfigure the window; just pass the desired size on
+     *    to the container. Also, zero out any position information, since
+     *    embedded windows are not allowed to move.
+     * 2. Sometimes the window manager will give us a different size than we
+     *    asked for (e.g. mwm has a minimum size for windows), so base the
+     *    size check on what we *asked for* last time, not what we got.
+     * 3. Don't move window unless a new position has been requested for it.
+     *    This is because of "features" in some window managers (e.g. twm, as
+     *    of 4/24/91) where they don't interpret coordinates according to
+     *    ICCCM. Moving a window to its current location may cause it to shift
+     *    position on the screen.
+     */
+
+    if (Tk_IsEmbedded(winPtr)) {
+	TkWindow *contWinPtr = TkpGetOtherWindow(winPtr);
+
+	/*
+	 * TODO: Here we should handle out of process embedding.
+	 */
+
+	if (contWinPtr != NULL) {
+	    /*
+	     * This window is embedded and the container is also in this
+	     * process, so we don't need to do anything special about the
+	     * geometry, except to make sure that the desired size is known by
+	     * the container. Also, zero out any position information, since
+	     * embedded windows are not allowed to move.
+	     */
+
+	    wmPtr->x = wmPtr->y = 0;
+	    wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y);
+	    Tk_GeometryRequest((Tk_Window) contWinPtr, width, height);
+	}
+	return;
+    }
+    if (wmPtr->flags & WM_MOVE_PENDING) {
+	wmPtr->configWidth = width;
+	wmPtr->configHeight = height;
+	if (wmTracing) {
+	    TkMacOSXDbgMsg("Moving to %d %d, resizing to %d x %d", x, y,
+		    width, height);
+	}
+	wmPtr->flags |= WM_SYNC_PENDING;
+	XMoveResizeWindow(winPtr->display, winPtr->window, x, y,
+		(unsigned) width, (unsigned) height);
+	wmPtr->flags &= ~WM_SYNC_PENDING;
+    } else if ((width != wmPtr->configWidth)
+	    || (height != wmPtr->configHeight)) {
+	wmPtr->configWidth = width;
+	wmPtr->configHeight = height;
+	if (wmTracing) {
+	    TkMacOSXDbgMsg("Resizing to %d x %d\n", width, height);
+	}
+	wmPtr->flags |= WM_SYNC_PENDING;
+	XResizeWindow(winPtr->display, winPtr->window, (unsigned) width,
+		(unsigned) height);
+	wmPtr->flags &= ~WM_SYNC_PENDING;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * UpdateSizeHints --
+ *
+ *	This procedure is called to update the window manager's size hints
+ *	information from the information in a WmInfo structure.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Properties get changed for winPtr.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+UpdateSizeHints(
+    TkWindow *winPtr)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    wmPtr->flags &= ~WM_UPDATE_SIZE_HINTS;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * ParseGeometry --
+ *
+ *	This procedure parses a geometry string and updates information used
+ *	to control the geometry of a top-level window.
+ *
+ * Results:
+ *	A standard Tcl return value, plus an error message in the interp's
+ *	result if an error occurs.
+ *
+ * Side effects:
+ *	The size and/or location of winPtr may change.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+ParseGeometry(
+    Tcl_Interp *interp,		/* Used for error reporting. */
+    char *string,		/* String containing new geometry. Has the
+				 * standard form "=wxh+x+y". */
+    TkWindow *winPtr)		/* Pointer to top-level window whose geometry
+				 * is to be changed. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int x, y, width, height, flags;
+    char *end;
+    char *p = string;
+
+    /*
+     * The leading "=" is optional.
+     */
+
+    if (*p == '=') {
+	p++;
+    }
+
+    /*
+     * Parse the width and height, if they are present. Don't actually update
+     * any of the fields of wmPtr until we've successfully parsed the entire
+     * geometry string.
+     */
+
+    width = wmPtr->width;
+    height = wmPtr->height;
+    x = wmPtr->x;
+    y = wmPtr->y;
+    flags = wmPtr->flags;
+    if (isdigit(UCHAR(*p))) {
+	width = strtoul(p, &end, 10);
+	p = end;
+	if (*p != 'x') {
+	    goto error;
+	}
+	p++;
+	if (!isdigit(UCHAR(*p))) {
+	    goto error;
+	}
+	height = strtoul(p, &end, 10);
+	p = end;
+    }
+
+    /*
+     * Parse the X and Y coordinates, if they are present.
+     */
+
+    if (*p != '\0') {
+	flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y);
+	if (*p == '-') {
+	    flags |= WM_NEGATIVE_X;
+	} else if (*p != '+') {
+	    goto error;
+	}
+	p++;
+	if (!isdigit(UCHAR(*p)) && (*p != '-')) {
+	    goto error;
+	}
+	x = strtol(p, &end, 10);
+	p = end;
+	if (*p == '-') {
+	    flags |= WM_NEGATIVE_Y;
+	} else if (*p != '+') {
+	    goto error;
+	}
+	p++;
+	if (!isdigit(UCHAR(*p)) && (*p != '-')) {
+	    goto error;
+	}
+	y = strtol(p, &end, 10);
+	if (*end != '\0') {
+	    goto error;
+	}
+
+	/*
+	 * Assume that the geometry information came from the user, unless an
+	 * explicit source has been specified. Otherwise most window managers
+	 * assume that the size hints were program-specified and they ignore
+	 * them.
+	 */
+
+	if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) {
+	    wmPtr->sizeHintsFlags |= USPosition;
+	    flags |= WM_UPDATE_SIZE_HINTS;
+	}
+    }
+
+    /*
+     * Everything was parsed OK. Update the fields of *wmPtr and arrange for
+     * the appropriate information to be percolated out to the window manager
+     * at the next idle moment.
+     */
+
+    wmPtr->width = width;
+    wmPtr->height = height;
+    if ((x != wmPtr->x) || (y != wmPtr->y)
+	    || ((flags & (WM_NEGATIVE_X|WM_NEGATIVE_Y))
+		    != (wmPtr->flags & (WM_NEGATIVE_X|WM_NEGATIVE_Y)))) {
+	if (wmPtr->flags & WM_FULLSCREEN) {
+	    wmPtr->configX = x;
+	    wmPtr->configY = y;
+	} else {
+	    wmPtr->x = x;
+	    wmPtr->y = y;
+	}
+	flags |= WM_MOVE_PENDING;
+    }
+    wmPtr->flags = flags;
+
+    if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+	Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+	wmPtr->flags |= WM_UPDATE_PENDING;
+    }
+    return TCL_OK;
+
+  error:
+    Tcl_AppendResult(interp, "bad geometry specifier \"", string, "\"", NULL);
+    return TCL_ERROR;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_GetRootCoords --
+ *
+ *	Given a token for a window, this procedure traces through the window's
+ *	lineage to find the (virtual) root-window coordinates corresponding to
+ *	point (0,0) in the window.
+ *
+ * Results:
+ *	The locations pointed to by xPtr and yPtr are filled in with the root
+ *	coordinates of the (0,0) point in tkwin. If a virtual root window is
+ *	in effect for the window, then the coordinates in the virtual root are
+ *	returned.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_GetRootCoords(
+    Tk_Window tkwin,		/* Token for window. */
+    int *xPtr,			/* Where to store x-displacement of (0,0). */
+    int *yPtr)			/* Where to store y-displacement of (0,0). */
+{
+    int x, y;
+    TkWindow *winPtr = (TkWindow *) tkwin;
+
+    /*
+     * Search back through this window's parents all the way to a top-level
+     * window, combining the offsets of each window within its parent.
+     */
+
+    x = y = 0;
+    while (1) {
+	x += winPtr->changes.x + winPtr->changes.border_width;
+	y += winPtr->changes.y + winPtr->changes.border_width;
+	if (winPtr->flags & TK_TOP_LEVEL) {
+	    TkWindow *otherPtr;
+
+	    if (!(Tk_IsEmbedded(winPtr))) {
+		x += winPtr->wmInfoPtr->xInParent;
+		y += winPtr->wmInfoPtr->yInParent;
+		break;
+	    }
+
+	    otherPtr = TkpGetOtherWindow(winPtr);
+	    if (otherPtr == NULL) {
+		if (tkMacOSXEmbedHandler->getOffsetProc != NULL) {
+		    Point theOffset;
+
+		    /*
+		     * We do not require that the changes.x & changes.y for a
+		     * non-Tk master window be kept up to date. So we first
+		     * subtract off the possibly bogus values that have been
+		     * added on at the top of this pass through the loop, and
+		     * then call out to the getOffsetProc to give us the
+		     * correct offset.
+		     */
+
+		    x -= winPtr->changes.x + winPtr->changes.border_width;
+		    y -= winPtr->changes.y + winPtr->changes.border_width;
+
+		    tkMacOSXEmbedHandler->getOffsetProc((Tk_Window) winPtr,
+			    &theOffset);
+
+		    x += theOffset.h;
+		    y += theOffset.v;
+		}
+		break;
+	    }
+
+	    /*
+	     * The container window is in the same application. Query its
+	     * coordinates.
+	     */
+
+	    winPtr = otherPtr;
+
+	    /*
+	     * Remember to offset by the container window here, since at the
+	     * end of this if branch, we will pop out to the container's
+	     * parent...
+	     */
+
+	    x += winPtr->changes.x + winPtr->changes.border_width;
+	    y += winPtr->changes.y + winPtr->changes.border_width;
+	}
+	winPtr = winPtr->parentPtr;
+    }
+    *xPtr = x;
+    *yPtr = y;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_CoordsToWindow --
+ *
+ *	This is a Macintosh specific implementation of this function. Given
+ *	the root coordinates of a point, this procedure returns the token for
+ *	the top-most window covering that point, if there exists such a window
+ *	in this application.
+ *
+ * Results:
+ *	The return result is either a token for the window corresponding to
+ *	rootX and rootY, or else NULL to indicate that there is no such
+ *	window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tk_Window
+Tk_CoordsToWindow(
+    int rootX, int rootY,	/* Coordinates of point in root window. If a
+				 * virtual-root window manager is in use,
+				 * these coordinates refer to the virtual
+				 * root, not the real root. */
+    Tk_Window tkwin)		/* Token for any window in application; used
+				 * to identify the display. */
+{
+    WindowPtr whichWin;
+    Point where;
+    Window rootChild;
+    TkWindow *winPtr, *childPtr;
+    TkWindow *nextPtr;		/* Coordinates of highest child found so far
+				 * that contains point. */
+    int x, y;			/* Coordinates in winPtr. */
+    int tmpx, tmpy, bd;
+    TkDisplay *dispPtr;
+
+    /*
+     * Step 1: find the top-level window that contains the desired point.
+     */
+
+    where.h = rootX;
+    where.v = rootY;
+    FindWindow(where, &whichWin);
+    if (whichWin == NULL) {
+	return NULL;
+    }
+    rootChild = TkMacOSXGetXWindow(whichWin);
+    dispPtr = TkGetDisplayList();
+    winPtr = (TkWindow *) Tk_IdToWindow(dispPtr->display, rootChild);
+    if (winPtr == NULL) {
+	return NULL;
+    }
+
+    /*
+     * Step 2: work down through the hierarchy underneath this window. At each
+     * level, scan through all the children to find the highest one in the
+     * stacking order that contains the point. Then repeat the whole process
+     * on that child.
+     */
+
+    x = rootX - winPtr->wmInfoPtr->xInParent;
+    y = rootY - winPtr->wmInfoPtr->yInParent;
+    while (1) {
+	x -= winPtr->changes.x;
+	y -= winPtr->changes.y;
+	nextPtr = NULL;
+
+	/*
+	 * Container windows cannot have children. So if it is a container,
+	 * look there, otherwise inspect the children.
+	 */
+
+	if (Tk_IsContainer(winPtr)) {
+	    childPtr = TkpGetOtherWindow(winPtr);
+	    if (childPtr != NULL) {
+		if (Tk_IsMapped(childPtr)) {
+		    tmpx = x - childPtr->changes.x;
+		    tmpy = y - childPtr->changes.y;
+		    bd = childPtr->changes.border_width;
+
+		    if ((tmpx >= -bd) && (tmpy >= -bd)
+			    && (tmpx < (childPtr->changes.width + bd))
+			    && (tmpy < (childPtr->changes.height + bd))) {
+			nextPtr = childPtr;
+		    }
+		}
+	    }
+
+	    /*
+	     * TODO: Here we should handle out of process embedding.
+	     */
+	} else {
+	    for (childPtr = winPtr->childList; childPtr != NULL;
+		    childPtr = childPtr->nextPtr) {
+		if (!Tk_IsMapped(childPtr) ||
+			(childPtr->flags & TK_TOP_LEVEL)) {
+		    continue;
+		}
+		tmpx = x - childPtr->changes.x;
+		tmpy = y - childPtr->changes.y;
+		bd = childPtr->changes.border_width;
+		if ((tmpx >= -bd) && (tmpy >= -bd)
+			&& (tmpx < (childPtr->changes.width + bd))
+			&& (tmpy < (childPtr->changes.height + bd))) {
+		    nextPtr = childPtr;
+		}
+	    }
+	}
+	if (nextPtr == NULL) {
+	    break;
+	}
+	winPtr = nextPtr;
+    }
+    return (Tk_Window) winPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_TopCoordsToWindow --
+ *
+ *	Given a Tk Window, and coordinates of a point relative to that window
+ *	this procedure returns the top-most child of the window (excluding
+ *	toplevels) covering that point, if there exists such a window in this
+ *	application. It also sets newX, and newY to the coords of the point
+ *	relative to the window returned.
+ *
+ * Results:
+ *	The return result is either a token for the window corresponding to
+ *	rootX and rootY, or else NULL to indicate that there is no such
+ *	window. newX and newY are also set to the coords of the point relative
+ *	to the returned window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tk_Window
+Tk_TopCoordsToWindow(
+    Tk_Window tkwin,		/* Token for a Tk Window which defines the
+				 * coordinates for rootX & rootY */
+    int rootX, int rootY,	/* Coordinates of a point in tkWin. */
+    int *newX, int *newY)	/* Coordinates of point in the upperMost child
+				 * of tkWin containing (rootX,rootY) */
+{
+    TkWindow *winPtr, *childPtr;
+    TkWindow *nextPtr;		/* Coordinates of highest child found so far
+				 * that contains point. */
+    int x, y;			/* Coordinates in winPtr. */
+    Window *children;		/* Children of winPtr, or NULL. */
+
+    winPtr = (TkWindow *) tkwin;
+    x = rootX;
+    y = rootY;
+    while (1) {
+	nextPtr = NULL;
+	children = NULL;
+
+	/*
+	 * Container windows cannot have children. So if it is a container,
+	 * look there, otherwise inspect the children.
+	 */
+
+	if (Tk_IsContainer(winPtr)) {
+	    childPtr = TkpGetOtherWindow(winPtr);
+	    if (childPtr != NULL) {
+		if (Tk_IsMapped(childPtr) &&
+			x > childPtr->changes.x &&
+			x < childPtr->changes.x + childPtr->changes.width &&
+			y > childPtr->changes.y &&
+			y < childPtr->changes.y + childPtr->changes.height) {
+		    nextPtr = childPtr;
+		}
+	    }
+
+	    /*
+	     * TODO: Here we should handle out of process embedding.
+	     */
+	} else {
+	    for (childPtr = winPtr->childList; childPtr != NULL;
+		    childPtr = childPtr->nextPtr) {
+		if (!Tk_IsMapped(childPtr) ||
+			(childPtr->flags & TK_TOP_LEVEL)) {
+		    continue;
+		}
+		if (x < childPtr->changes.x || y < childPtr->changes.y) {
+		    continue;
+		}
+		if (x > childPtr->changes.x + childPtr->changes.width ||
+			y > childPtr->changes.y + childPtr->changes.height) {
+		    continue;
+		}
+		nextPtr = childPtr;
+	    }
+	}
+	if (nextPtr == NULL) {
+	    break;
+	}
+	winPtr = nextPtr;
+	x -= winPtr->changes.x;
+	y -= winPtr->changes.y;
+    }
+    *newX = x;
+    *newY = y;
+    return (Tk_Window) winPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * UpdateVRootGeometry --
+ *
+ *	This procedure is called to update all the virtual root geometry
+ *	information in wmPtr.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The vRootX, vRootY, vRootWidth, and vRootHeight fields in wmPtr are
+ *	filled with the most up-to-date information.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+UpdateVRootGeometry(
+    WmInfo *wmPtr)		/* Window manager information to be updated.
+				 * The wmPtr->vRoot field must be valid. */
+{
+    TkWindow *winPtr = wmPtr->winPtr;
+    unsigned int bd, dummy;
+    Window dummy2;
+    Status status;
+    Tk_ErrorHandler handler;
+
+    /*
+     * If this isn't a virtual-root window manager, just return information
+     * about the screen.
+     */
+
+    wmPtr->flags &= ~WM_VROOT_OFFSET_STALE;
+    if (wmPtr->vRoot == None) {
+	noVRoot:
+	wmPtr->vRootX = wmPtr->vRootY = 0;
+	wmPtr->vRootWidth = DisplayWidth(winPtr->display, winPtr->screenNum);
+	wmPtr->vRootHeight = DisplayHeight(winPtr->display, winPtr->screenNum);
+	return;
+    }
+
+    /*
+     * Refresh the virtual root information if it's out of date.
+     */
+
+    handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, NULL, NULL);
+    status = XGetGeometry(winPtr->display, wmPtr->vRoot,
+	    &dummy2, &wmPtr->vRootX, &wmPtr->vRootY,
+	    &wmPtr->vRootWidth, &wmPtr->vRootHeight, &bd, &dummy);
+    if (wmTracing) {
+	TkMacOSXDbgMsg("x = %d, y = %d, width = %d, height = %d, status = %d",
+		wmPtr->vRootX, wmPtr->vRootY, wmPtr->vRootWidth,
+		wmPtr->vRootHeight, status);
+    }
+    Tk_DeleteErrorHandler(handler);
+    if (status == 0) {
+	/*
+	 * The virtual root is gone! Pretend that it never existed.
+	 */
+
+	wmPtr->vRoot = None;
+	goto noVRoot;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_GetVRootGeometry --
+ *
+ *	This procedure returns information about the virtual root window
+ *	corresponding to a particular Tk window.
+ *
+ * Results:
+ *	The values at xPtr, yPtr, widthPtr, and heightPtr are set with the
+ *	offset and dimensions of the root window corresponding to tkwin. If
+ *	tkwin is being managed by a virtual root window manager these values
+ *	correspond to the virtual root window being used for tkwin; otherwise
+ *	the offsets will be 0 and the dimensions will be those of the screen.
+ *
+ * Side effects:
+ *	Vroot window information is refreshed if it is out of date.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_GetVRootGeometry(
+    Tk_Window tkwin,		/* Window whose virtual root is to be
+				 * queried. */
+    int *xPtr, int *yPtr,	/* Store x and y offsets of virtual root
+				 * here. */
+    int *widthPtr,		/* Store dimensions of virtual root here. */
+    int *heightPtr)
+{
+    WmInfo *wmPtr;
+    TkWindow *winPtr = (TkWindow *) tkwin;
+
+    /*
+     * Find the top-level window for tkwin, and locate the window manager
+     * information for that window.
+     */
+
+    while (!(winPtr->flags & TK_TOP_LEVEL)) {
+	winPtr = winPtr->parentPtr;
+    }
+    wmPtr = winPtr->wmInfoPtr;
+
+    /*
+     * Make sure that the geometry information is up-to-date, then copy it out
+     * to the caller.
+     */
+
+    if (wmPtr->flags & WM_VROOT_OFFSET_STALE) {
+	UpdateVRootGeometry(wmPtr);
+    }
+    *xPtr = wmPtr->vRootX;
+    *yPtr = wmPtr->vRootY;
+    *widthPtr = wmPtr->vRootWidth;
+    *heightPtr = wmPtr->vRootHeight;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_MoveToplevelWindow --
+ *
+ *	This procedure is called instead of Tk_MoveWindow to adjust the x-y
+ *	location of a top-level window. It delays the actual move to a later
+ *	time and keeps window-manager information up-to-date with the move.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The window is eventually moved so that its upper-left corner
+ *	(actually, the upper-left corner of the window's decorative frame, if
+ *	there is one) is at (x,y).
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_MoveToplevelWindow(
+    Tk_Window tkwin,		/* Window to move. */
+    int x, int y)		/* New location for window (within parent). */
+{
+    TkWindow *winPtr = (TkWindow *) tkwin;
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (!(winPtr->flags & TK_TOP_LEVEL)) {
+	Tcl_Panic("Tk_MoveToplevelWindow called with non-toplevel window");
+    }
+    wmPtr->x = x;
+    wmPtr->y = y;
+    wmPtr->flags |= WM_MOVE_PENDING;
+    wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y);
+    if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) {
+	wmPtr->sizeHintsFlags |= USPosition;
+	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
+    }
+
+    /*
+     * If the window has already been mapped, must bring its geometry
+     * up-to-date immediately, otherwise an event might arrive from the server
+     * that would overwrite wmPtr->x and wmPtr->y and lose the new position.
+     */
+
+    if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
+	if (wmPtr->flags & WM_UPDATE_PENDING) {
+	    Tk_CancelIdleCall(UpdateGeometryInfo, winPtr);
+	}
+	UpdateGeometryInfo(winPtr);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmRestackToplevel --
+ *
+ *	This procedure restacks a top-level window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	WinPtr gets restacked as specified by aboveBelow and otherPtr. This
+ *	procedure doesn't return until the restack has taken effect and the
+ *	ConfigureNotify event for it has been received.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmRestackToplevel(
+    TkWindow *winPtr,		/* Window to restack. */
+    int aboveBelow,		/* Gives relative position for restacking;
+				 * must be Above or Below. */
+    TkWindow *otherPtr)		/* Window relative to which to restack; if
+				 * NULL, then winPtr gets restacked above or
+				 * below *all* siblings. */
+{
+    WmInfo *wmPtr;
+
+    WindowRef macWindow, otherMacWindow, frontWindow, tmpWindow;
+
+    wmPtr = winPtr->wmInfoPtr;
+
+    /*
+     * Get the mac window. Make sure it exists & is mapped.
+     */
+
+    if (winPtr->window == None) {
+	Tk_MakeWindowExist((Tk_Window) winPtr);
+    }
+    if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) {
+	/*
+	 * Can't set stacking order properly until the window is on the screen
+	 * (mapping it may give it a reparent window), so make sure it's on
+	 * the screen.
+	 */
+
+	TkWmMapWindow(winPtr);
+    }
+    macWindow = TkMacOSXDrawableWindow(winPtr->window);
+
+    /*
+     * Get the window in which a raise or lower is in relation to.
+     */
+
+    if (otherPtr != NULL) {
+	if (otherPtr->window == None) {
+	    Tk_MakeWindowExist((Tk_Window) otherPtr);
+	}
+	if (otherPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) {
+	    TkWmMapWindow(otherPtr);
+	}
+	otherMacWindow = TkMacOSXDrawableWindow(otherPtr->window);
+    } else {
+	otherMacWindow = NULL;
+    }
+
+    frontWindow = ActiveNonFloatingWindow();
+
+    if (aboveBelow == Above) {
+	if (macWindow == frontWindow) {
+	    /*
+	     * Do nothing - it's already at the top.
+	     */
+	} else if (otherMacWindow == frontWindow || otherMacWindow == NULL) {
+	    /*
+	     * Raise the window to the top. If the window is visible then we
+	     * also make it the active window.
+	     */
+
+	    if (wmPtr->hints.initial_state == WithdrawnState) {
+		BringToFront(macWindow);
+	    } else {
+		SelectWindow(macWindow);
+	    }
+	} else {
+	    /*
+	     * Find the window to be above. (Front window will actually be the
+	     * window to be behind.) Front window is NULL if no other windows.
+	     */
+
+	    while (frontWindow != NULL &&
+		    (tmpWindow=GetNextWindow(frontWindow)) != otherMacWindow) {
+		frontWindow = tmpWindow;
+	    }
+	    if (frontWindow != NULL) {
+		SendBehind(macWindow, frontWindow);
+	    }
+	}
+    } else {
+	/*
+	 * Send behind. If it was in front find another window to make active.
+	 */
+
+	if (macWindow == frontWindow) {
+	    tmpWindow = GetNextWindow(macWindow);
+	    if (tmpWindow != NULL) {
+		SelectWindow(tmpWindow);
+	    }
+	}
+	SendBehind(macWindow, otherMacWindow);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmAddToColormapWindows --
+ *
+ *	This procedure is called to add a given window to the
+ *	WM_COLORMAP_WINDOWS property for its top-level, if it isn't already
+ *	there. It is invoked by the Tk code that creates a new colormap, in
+ *	order to make sure that colormap information is propagated to the
+ *	window manager by default.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	WinPtr's window gets added to the WM_COLORMAP_WINDOWS property of its
+ *	nearest top-level ancestor, unless the colormaps have been set
+ *	explicitly with the "wm colormapwindows" command.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmAddToColormapWindows(
+    TkWindow *winPtr)		/* Window with a non-default colormap. Should
+				 * not be a top-level window. */
+{
+    TkWindow *topPtr;
+    TkWindow **oldPtr, **newPtr;
+    int count, i;
+
+    if (winPtr->window == None) {
+	return;
+    }
+
+    for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) {
+	if (topPtr == NULL) {
+	    /*
+	     * Window is being deleted. Skip the whole operation.
+	     */
+
+	    return;
+	}
+	if (topPtr->flags & TK_TOP_LEVEL) {
+	    break;
+	}
+    }
+    if (topPtr->wmInfoPtr->flags & WM_COLORMAPS_EXPLICIT) {
+	return;
+    }
+
+    /*
+     * Make sure that the window isn't already in the list.
+     */
+
+    count = topPtr->wmInfoPtr->cmapCount;
+    oldPtr = topPtr->wmInfoPtr->cmapList;
+
+    for (i = 0; i < count; i++) {
+	if (oldPtr[i] == winPtr) {
+	    return;
+	}
+    }
+
+    /*
+     * Make a new bigger array and use it to reset the property. Automatically
+     * add the toplevel itself as the last element of the list.
+     */
+
+    newPtr = (TkWindow **) ckalloc((unsigned) (count+2)*sizeof(TkWindow *));
+    if (count > 0) {
+	memcpy(newPtr, oldPtr, count * sizeof(TkWindow *));
+    }
+    if (count == 0) {
+	count++;
+    }
+    newPtr[count-1] = winPtr;
+    newPtr[count] = topPtr;
+    if (oldPtr != NULL) {
+	ckfree((char *) oldPtr);
+    }
+
+    topPtr->wmInfoPtr->cmapList = newPtr;
+    topPtr->wmInfoPtr->cmapCount = count+1;
+
+    /*
+     * On the Macintosh all of this is just an excercise in compatability as
+     * we don't support colormaps. If we did they would be installed here.
+     */
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmRemoveFromColormapWindows --
+ *
+ *	This procedure is called to remove a given window from the
+ *	WM_COLORMAP_WINDOWS property for its top-level. It is invoked when
+ *	windows are deleted.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	WinPtr's window gets removed from the WM_COLORMAP_WINDOWS property of
+ *	its nearest top-level ancestor, unless the top-level itself is being
+ *	deleted too.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkWmRemoveFromColormapWindows(
+    TkWindow *winPtr)		/* Window that may be present in
+				 * WM_COLORMAP_WINDOWS property for its
+				 * top-level. Should not be a top-level
+				 * window. */
+{
+    TkWindow *topPtr, **oldPtr;
+    int count, i, j;
+
+    for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) {
+	if (topPtr == NULL) {
+	    /*
+	     * Ancestors have been deleted, so skip the whole operation. Seems
+	     * like this can't ever happen?
+	     */
+
+	    return;
+	}
+	if (topPtr->flags & TK_TOP_LEVEL) {
+	    break;
+	}
+    }
+    if (topPtr->flags & TK_ALREADY_DEAD) {
+	/*
+	 * Top-level is being deleted, so there's no need to cleanup the
+	 * WM_COLORMAP_WINDOWS property.
+	 */
+
+	return;
+    }
+
+    /*
+     * Find the window and slide the following ones down to cover it up.
+     */
+
+    count = topPtr->wmInfoPtr->cmapCount;
+    oldPtr = topPtr->wmInfoPtr->cmapList;
+    for (i = 0; i < count; i++) {
+	if (oldPtr[i] == winPtr) {
+	    for (j = i ; j < count-1; j++) {
+		oldPtr[j] = oldPtr[j+1];
+	    }
+	    topPtr->wmInfoPtr->cmapCount = count - 1;
+	    break;
+	}
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetPointerCoords --
+ *
+ *	Fetch the position of the mouse pointer.
+ *
+ * Results:
+ *	*xPtr and *yPtr are filled in with the (virtual) root coordinates of
+ *	the mouse pointer for tkwin's display. If the pointer isn't on tkwin's
+ *	screen, then -1 values are returned for both coordinates. The argument
+ *	tkwin must be a toplevel window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkGetPointerCoords(
+    Tk_Window tkwin,		/* Toplevel window that identifies screen on
+				 * which lookup is to be done. */
+    int *xPtr, int *yPtr)	/* Store pointer coordinates here. */
+{
+    XQueryPointer(NULL, None, NULL, NULL, xPtr, yPtr, NULL, NULL, NULL);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * InitialWindowBounds --
+ *
+ *	This function calculates the initial bounds for a new Mac toplevel
+ *	window. Unless the geometry is specified by the user this code will
+ *	auto place the windows in a cascade diagonially across the main
+ *	monitor of the Mac.
+ *
+ * Results:
+ *	The bounds are returned in geometry.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+InitialWindowBounds(
+    TkWindow *winPtr,		/* Window to get initial bounds for. */
+    WindowRef macWindow,
+    Rect *geometry)		/* On return the initial bounds. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (!(wmPtr->sizeHintsFlags & (USPosition | PPosition))) {
+	WindowRef parent;
+
+	parent = GetFrontWindowOfClass(wmPtr->macClass, false);
+	if (parent && parent == macWindow) {
+	    parent = GetNextWindowOfClass(parent, wmPtr->macClass, false);
+	}
+	if (parent && parent != macWindow) {
+	    Rect bounds;
+
+	    ChkErr(RepositionWindow, macWindow, parent,
+		    kWindowCascadeOnParentWindowScreen);
+	    ChkErr(GetWindowBounds, macWindow, kWindowStructureRgn, &bounds);
+	    wmPtr->x = bounds.left;
+	    wmPtr->y = bounds.top;
+	} else {
+	    static SInt16 menuBarHeight = 0;
+
+	    if (!menuBarHeight) {
+		ChkErr(GetThemeMenuBarHeight, &menuBarHeight);
+	    }
+	    wmPtr->x = 5;
+	    wmPtr->y = menuBarHeight + 5;
+	}
+    }
+
+    geometry->left = wmPtr->x;
+    geometry->top = wmPtr->y;
+    geometry->right = wmPtr->x + winPtr->changes.width;
+    geometry->bottom = wmPtr->y + winPtr->changes.height;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXResizable --
+ *
+ *	This function determines if the passed in window is part of a toplevel
+ *	window that is resizable. If the window is resizable in the x, y or
+ *	both directions, true is returned.
+ *
+ * Results:
+ *	True if resizable, false otherwise.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkMacOSXResizable(
+    TkWindow *winPtr)		/* Tk window or NULL. */
+{
+    WmInfo *wmPtr;
+
+    if (winPtr == NULL) {
+	return false;
+    }
+    while (winPtr->wmInfoPtr == NULL) {
+	winPtr = winPtr->parentPtr;
+    }
+
+    wmPtr = winPtr->wmInfoPtr;
+    if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) &&
+	    (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) {
+	return false;
+    } else {
+	return true;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXGrowToplevel --
+ *
+ *	The function is invoked when the user clicks in the grow region of a
+ *	Tk window. The function will handle the dragging procedure and not
+ *	return until completed. Finally, the function may place information
+ *	Tk's event queue is the window was resized.
+ *
+ * Results:
+ *	True if events were placed on event queue, false otherwise.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkMacOSXGrowToplevel(
+    WindowRef whichWindow,
+    Point start)
+{
+    Point where = start;
+    TkDisplay *dispPtr;
+    Rect portRect;
+    CGrafPtr destPort = GetWindowPort(whichWindow);
+
+    QDGlobalToLocalPoint(destPort, &where);
+    GetPortBounds(destPort, &portRect);
+    if (where.h > (portRect.right - 16) &&
+	    where.v > (portRect.bottom - 16)) {
+	Window window;
+	TkWindow *winPtr;
+	WmInfo *wmPtr;
+	int minWidth, minHeight, maxWidth, maxHeight;
+	Rect limits, bounds, *maxBounds;
+	Boolean resizeResult;
+
+	window = TkMacOSXGetXWindow(whichWindow);
+	dispPtr = TkGetDisplayList();
+	winPtr = (TkWindow *) Tk_IdToWindow(dispPtr->display, window);
+	wmPtr = winPtr->wmInfoPtr;
+	maxBounds = (Rect*)(dispPtr->display->screens->ext_data);
+
+	if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) &&
+		(wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) {
+	    return false;
+	}
+	GetMinSize(winPtr, &minWidth, &minHeight);
+	GetMaxSize(winPtr, &maxWidth, &maxHeight);
+	if (wmPtr->gridWin != NULL) {
+	    int base = winPtr->reqWidth - (wmPtr->reqGridWidth
+		    * wmPtr->widthInc);
+
+	    if (base < 0) {
+		base = 0;
+	    }
+	    limits.left	 = base + (minWidth * wmPtr->widthInc);
+	    limits.right = base + (maxWidth * wmPtr->widthInc);
+	    base = winPtr->reqHeight - (wmPtr->reqGridHeight
+		    * wmPtr->heightInc);
+	    if (base < 0) {
+		base = 0;
+	    }
+	    limits.top	  = base + (minHeight * wmPtr->heightInc);
+	    limits.bottom = base + (maxHeight * wmPtr->heightInc);
+	} else {
+	    limits.left = minWidth;
+	    limits.right = maxWidth;
+	    limits.top = minHeight;
+	    limits.bottom = maxHeight;
+	}
+	if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) {
+	    limits.left = limits.right = winPtr->changes.width;
+	}
+	if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) {
+	    limits.top = limits.bottom = winPtr->changes.height;
+	}
+	if (PtInRect(start, maxBounds)) {
+	    Rect strBounds, strWidths, limitBounds;
+
+	    ChkErr(GetWindowBounds, whichWindow, kWindowStructureRgn,
+		    &strBounds);
+	    ChkErr(GetWindowStructureWidths, whichWindow, &strWidths);
+
+	    limitBounds.left = limits.left + (strBounds.left + strWidths.left);
+	    limitBounds.right = limits.right +
+		    (strBounds.left + strWidths.left + strWidths.right);
+	    limitBounds.top = limits.top + (strBounds.top + strWidths.top);
+	    limitBounds.bottom = limits.bottom +
+		    (strBounds.top + strWidths.top + strWidths.bottom);
+	    if (limitBounds.left < maxBounds->left) {
+		limitBounds.left = maxBounds->left;
+	    }
+	    if (limitBounds.right > maxBounds->right) {
+		limitBounds.right = maxBounds->right;
+	    }
+	    if (limitBounds.top < maxBounds->top) {
+		limitBounds.top = maxBounds->top;
+	    }
+	    if (limitBounds.bottom > maxBounds->bottom) {
+		limitBounds.bottom = maxBounds->bottom;
+	    }
+	    limits.left = limitBounds.left - (strBounds.left + strWidths.left);
+	    limits.right = limitBounds.right -
+		    (strBounds.left + strWidths.left + strWidths.right);
+	    limits.top = limitBounds.top - (strBounds.top + strWidths.top);
+	    limits.bottom = limitBounds.bottom -
+		    (strBounds.top + strWidths.top + strWidths.bottom);
+	}
+	TkMacOSXTrackingLoop(1);
+	resizeResult = ResizeWindow(whichWindow, start, &limits, &bounds);
+	TkMacOSXTrackingLoop(0);
+	if (resizeResult) {
+	    return true;
+	}
+    }
+    return false;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkSetWMName --
+ *
+ *	Set the title for a toplevel window. If the window is embedded, do not
+ *	change the window title.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The title of the window is changed.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkSetWMName(
+    TkWindow *winPtr,
+    Tk_Uid titleUid)
+{
+    CFStringRef title;
+
+    if (Tk_IsEmbedded(winPtr)) {
+	return;
+    }
+
+    title = CFStringCreateWithBytes(NULL, (const unsigned char *) titleUid,
+	    strlen(titleUid), kCFStringEncodingUTF8, false);
+    if (title) {
+	WindowRef macWin = TkMacOSXDrawableWindow(winPtr->window);
+
+	SetWindowTitleWithCFString(macWin, title);
+	CFRelease(title);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetTransientMaster --
+ *
+ *	If the passed window has the TRANSIENT_FOR property set this will
+ *	return the master window. Otherwise it will return None.
+ *
+ * Results:
+ *	The master window or None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Window
+TkGetTransientMaster(
+    TkWindow *winPtr)
+{
+    if (winPtr->wmInfoPtr != NULL) {
+	return winPtr->wmInfoPtr->master;
+    }
+    return None;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXGetXWindow --
+ *
+ *	Returns the X window Id associated with the given WindowRef.
+ *
+ * Results:
+ *	The window id is returned. None is returned if not a Tk window.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Window
+TkMacOSXGetXWindow(
+    WindowRef macWinPtr)
+{
+    Tcl_HashEntry *hPtr;
+
+    if ((macWinPtr == NULL) || !windowHashInit) {
+	return None;
+    }
+    hPtr = Tcl_FindHashEntry(&windowTable, (char *) macWinPtr);
+    if (hPtr == NULL) {
+	return None;
+    }
+    return (Window) Tcl_GetHashValue(hPtr);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXIsWindowZoomed --
+ *
+ *	Ask Carbon if the given window is in the zoomed out state. Because
+ *	dragging & growing a window can change the Carbon zoom state, we
+ *	cannot rely on wmInfoPtr->hints.initial_state for this information.
+ *
+ * Results:
+ *	True if window is zoomed out, false otherwise.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+MODULE_SCOPE int
+TkMacOSXIsWindowZoomed(
+    TkWindow *winPtr)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int maxWidth, maxHeight;
+    Point idealSize;
+
+    if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) &&
+	    (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) {
+	return false;
+    }
+    GetMaxSize(winPtr, &maxWidth, &maxHeight);
+    if (wmPtr->gridWin != NULL) {
+	int base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc);
+
+	if (base < 0) {
+	    base = 0;
+	}
+	maxWidth = base + (maxWidth * wmPtr->widthInc);
+	base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc);
+	if (base < 0) {
+	    base = 0;
+	}
+	maxHeight = base + (maxHeight * wmPtr->heightInc);
+    }
+    if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) {
+	idealSize.h = winPtr->changes.width;
+    } else {
+	idealSize.h = maxWidth;
+    }
+    if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) {
+	idealSize.v = winPtr->changes.height;
+    } else {
+	idealSize.v = maxHeight;
+    }
+
+    return IsWindowInStandardState(TkMacOSXDrawableWindow(winPtr->window),
+	    &idealSize, NULL);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXZoomToplevel --
+ *
+ *	The function is invoked when the user clicks in the zoom region of a
+ *	Tk window or when the window state is set/unset to "zoomed" manually.
+ *	If the window is to be zoomed (in or out), the window size is changed
+ *	and events are generated to let Tk know what happened.
+ *
+ * Results:
+ *	True if events were placed on event queue, false otherwise.
+ *
+ * Side effects:
+ *	The window may be resized & events placed on Tk's queue.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkMacOSXZoomToplevel(
+    WindowRef whichWindow,	/* The Macintosh window to zoom. */
+    short zoomPart)		/* Either inZoomIn or inZoomOut */
+{
+    Window window;
+    TkDisplay *dispPtr;
+    TkWindow *winPtr;
+    WmInfo *wmPtr;
+    Point idealSize;
+    int maxWidth, maxHeight;
+    OSStatus err;
+
+    window = TkMacOSXGetXWindow(whichWindow);
+    dispPtr = TkGetDisplayList();
+    winPtr = (TkWindow *) Tk_IdToWindow(dispPtr->display, window);
+    wmPtr = winPtr->wmInfoPtr;
+
+    if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) &&
+	    (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) {
+	return false;
+    }
+    GetMaxSize(winPtr, &maxWidth, &maxHeight);
+    if (wmPtr->gridWin != NULL) {
+	int base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc);
+
+	if (base < 0) {
+	    base = 0;
+	}
+	maxWidth = base + (maxWidth * wmPtr->widthInc);
+	base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc);
+	if (base < 0) {
+	    base = 0;
+	}
+	maxHeight = base + (maxHeight * wmPtr->heightInc);
+    }
+    if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) {
+	idealSize.h = winPtr->changes.width;
+    } else {
+	idealSize.h = maxWidth;
+    }
+    if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) {
+	idealSize.v = winPtr->changes.height;
+    } else {
+	idealSize.v = maxHeight;
+    }
+
+    /*
+     * Do nothing if already in desired zoom state.
+     */
+
+    if (!IsWindowInStandardState(whichWindow, &idealSize, NULL) ==
+	    (zoomPart == inZoomIn)) {
+	return false;
+    }
+
+    err = ChkErr(ZoomWindowIdeal, whichWindow, zoomPart, &idealSize);
+    if (err != noErr) {
+	return false;
+    }
+    wmPtr->hints.initial_state =
+	    (zoomPart == inZoomIn ? NormalState : ZoomState);
+    return true;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkUnsupported1Cmd --
+ *
+ *	This procedure is invoked to process the
+ *	"::tk::unsupported::MacWindowStyle" Tcl command. This command allows
+ *	you to set the style of decoration for a Macintosh window.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	Changes the style of a new Mac window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+/* ARGSUSED */
+int
+TkUnsupported1ObjCmd(
+    ClientData clientData,	/* Main window associated with interpreter. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Argument objects. */
+{
+    static const char *const subcmds[] = {
+	"style", NULL
+    };
+    enum SubCmds {
+	TKMWS_STYLE
+    };
+    Tk_Window tkwin = clientData;
+    TkWindow *winPtr;
+    int index;
+
+    if (objc < 3) {
+	Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?");
+	return TCL_ERROR;
+    }
+
+    winPtr = (TkWindow *)
+	    Tk_NameToWindow(interp, Tcl_GetString(objv[2]), tkwin);
+    if (winPtr == NULL) {
+	return TCL_ERROR;
+    }
+    if (!(winPtr->flags & TK_TOP_LEVEL)) {
+	Tcl_ResetResult(interp);
+	Tcl_AppendResult(interp, "window \"", winPtr->pathName,
+		"\" isn't a top-level window", NULL);
+	return TCL_ERROR;
+    }
+
+    if (Tcl_GetIndexFromObj(interp, objv[1], subcmds, "option", 0,
+	    &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (((enum SubCmds) index) == TKMWS_STYLE) {
+	if ((objc < 3) || (objc > 5)) {
+	    Tcl_WrongNumArgs(interp, 2, objv, "window ?class attributes?");
+	    return TCL_ERROR;
+	}
+	return WmWinStyle(interp, winPtr, objc, objv);
+    }
+    /* won't be reached */
+    return TCL_ERROR;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmWinStyle --
+ *
+ *	This procedure is invoked to process the
+ *	"::tk::unsupported::MacWindowStyle style" subcommand. This command
+ *	allows you to set the style of decoration for a Macintosh window.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	Changes the style of a new Mac window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+WmWinStyle(
+    Tcl_Interp *interp,		/* Current interpreter. */
+    TkWindow *winPtr,		/* Window to be manipulated. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj * const objv[])	/* Argument objects. */
+{
+    struct StrIntMap {
+	const char *strValue;
+	UInt32 intValue;
+    };
+    static const struct StrIntMap styleMap[] = {
+	{ "documentProc",	    documentProc		},
+	{ "noGrowDocProc",	    documentProc		},
+	{ "dBoxProc",		    dBoxProc			},
+	{ "plainDBox",		    plainDBox			},
+	{ "altDBoxProc",	    altDBoxProc			},
+	{ "movableDBoxProc",	    movableDBoxProc		},
+	{ "zoomDocProc",	    zoomDocProc			},
+	{ "zoomNoGrow",		    zoomNoGrow			},
+	{ "floatProc",		    floatGrowProc		},
+	{ "floatGrowProc",	    floatGrowProc		},
+	{ "floatZoomProc",	    floatZoomGrowProc		},
+	{ "floatZoomGrowProc",	    floatZoomGrowProc		},
+	{ "floatSideProc",	    floatSideGrowProc		},
+	{ "floatSideGrowProc",	    floatSideGrowProc		},
+	{ "floatSideZoomProc",	    floatSideZoomGrowProc	},
+	{ "floatSideZoomGrowProc",  floatSideZoomGrowProc	},
+	{ NULL,			    0				}
+    };
+    static const struct StrIntMap classMap[] = {
+	{ "alert",	    kAlertWindowClass		},
+	{ "moveableAlert",  kMovableAlertWindowClass	},
+	{ "modal",	    kModalWindowClass		},
+	{ "moveableModal",  kMovableModalWindowClass	},
+	{ "floating",	    kFloatingWindowClass	},
+	{ "document",	    kDocumentWindowClass	},
+	{ "utility",	    kUtilityWindowClass		},
+	{ "help",	    kHelpWindowClass		},
+	{ "sheet",	    kSheetWindowClass		},
+	{ "toolbar",	    kToolbarWindowClass		},
+	{ "plain",	    kPlainWindowClass		},
+	{ "overlay",	    kOverlayWindowClass		},
+	{ "sheetAlert",	    kSheetAlertWindowClass	},
+	{ "altPlain",	    kAltPlainWindowClass	},
+	{ "simple",	    kSimpleWindowClass		},
+	{ "drawer",	    kDrawerWindowClass		},
+	{ NULL,		    0				}
+    };
+    static const struct StrIntMap compositeAttrMap[] = {
+	{ "none",		kWindowNoAttributes			},
+	{ "standardDocument",	kWindowStandardDocumentAttributes	},
+	{ "standardFloating",	kWindowStandardFloatingAttributes	},
+	{ "fullZoom",		kWindowFullZoomAttribute		},
+	{ NULL,			0					}
+    };
+    static const struct StrIntMap attrMap[] = {
+	{ "closeBox",		kWindowCloseBoxAttribute		     },
+	{ "horizontalZoom",	kWindowHorizontalZoomAttribute		     },
+	{ "verticalZoom",	kWindowVerticalZoomAttribute		     },
+	{ "collapseBox",	kWindowCollapseBoxAttribute		     },
+	{ "resizable",		kWindowResizableAttribute		     },
+	{ "sideTitlebar",	kWindowSideTitlebarAttribute		     },
+	{ "toolbarButton",	kWindowToolbarButtonAttribute		     },
+	{ "unifiedTitleAndToolbar", kWindowUnifiedTitleAndToolbarAttribute   },
+	{ "metal",		kWindowMetalAttribute			     },
+	{ "noTitleBar",		kWindowNoTitleBarAttribute		     },
+	{ "texturedSquareCorners", kWindowTexturedSquareCornersAttribute     },
+	{ "metalNoContentSeparator", kWindowMetalNoContentSeparatorAttribute },
+	{ "doesNotCycle",	kWindowDoesNotCycleAttribute		     },
+	{ "noUpdates",		kWindowNoUpdatesAttribute		     },
+	{ "noActivates",	kWindowNoActivatesAttribute		     },
+	{ "opaqueForEvents",	kWindowOpaqueForEventsAttribute		     },
+	{ "noShadow",		kWindowNoShadowAttribute		     },
+	{ "hideOnSuspend",	kWindowHideOnSuspendAttribute		     },
+	{ "hideOnFullScreen",	kWindowHideOnFullScreenAttribute	     },
+	{ "inWindowMenu",	kWindowInWindowMenuAttribute		     },
+	{ "liveResize",		kWindowLiveResizeAttribute		     },
+	{ "ignoreClicks",	kWindowIgnoreClicksAttribute		     },
+	{ "noConstrain",	kWindowNoConstrainAttribute		     },
+	{ NULL,			0					     }
+    };
+    int index, i;
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+
+    if (objc == 3) {
+	if (wmPtr->style != -1) {
+	    for (i = 0; styleMap[i].strValue != NULL; i++) {
+		if (wmPtr->style == (short) styleMap[i].intValue) {
+		    Tcl_SetObjResult(interp,
+			    Tcl_NewStringObj(styleMap[i].strValue, -1));
+		    return TCL_OK;
+		}
+	    }
+	    Tcl_Panic("invalid style");
+	} else {
+	    Tcl_Obj *attributeList, *newResult = NULL;
+	    WindowAttributes attributes;
+
+	    for (i = 0; classMap[i].strValue != NULL; i++) {
+		if (wmPtr->macClass == classMap[i].intValue) {
+		    newResult = Tcl_NewStringObj(classMap[i].strValue, -1);
+		    break;
+		}
+	    }
+	    if (newResult == NULL) {
+		Tcl_Panic("invalid class");
+	    }
+
+	    attributeList = Tcl_NewListObj(0, NULL);
+	    attributes = wmPtr->attributes;
+
+	    for (i = 0; compositeAttrMap[i].strValue != NULL; i++) {
+		UInt32 intValue = compositeAttrMap[i].intValue;
+
+		if (intValue && (attributes & intValue) == intValue) {
+		    Tcl_ListObjAppendElement(interp, attributeList,
+			    Tcl_NewStringObj(compositeAttrMap[i].strValue,
+			    -1));
+		    attributes &= ~intValue;
+		    break;
+		}
+	    }
+	    for (i = 0; attrMap[i].strValue != NULL; i++) {
+		if (attributes & attrMap[i].intValue) {
+		    Tcl_ListObjAppendElement(interp, attributeList,
+			    Tcl_NewStringObj(attrMap[i].strValue, -1));
+		}
+	    }
+	    Tcl_ListObjAppendElement(interp, newResult, attributeList);
+	    Tcl_SetObjResult(interp, newResult);
+	}
+    } else if (objc == 4) {
+	if (Tcl_GetIndexFromObjStruct(interp, objv[3], styleMap,
+		sizeof(struct StrIntMap), "style", 0, &index) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	wmPtr->style = styleMap[index].intValue;
+    } else if (objc == 5) {
+	int attrObjc;
+	Tcl_Obj **attrObjv = NULL;
+	WindowClass oldClass = wmPtr->macClass;
+	WindowAttributes oldAttributes = wmPtr->attributes;
+
+	if (Tcl_GetIndexFromObjStruct(interp, objv[3], classMap,
+		sizeof(struct StrIntMap), "class", 0, &index) != TCL_OK) {
+	    goto badClassAttrs;
+	}
+	wmPtr->macClass = classMap[index].intValue;
+	if (!IsValidWindowClass(wmPtr->macClass)) {
+	    goto badClassAttrs;
+	}
+	if (Tcl_ListObjGetElements(interp, objv[4], &attrObjc, &attrObjv)
+		!= TCL_OK) {
+	    goto badClassAttrs;
+	}
+	wmPtr->attributes = kWindowNoAttributes;
+	for (i = 0; i < attrObjc; i++) {
+	    if (Tcl_GetIndexFromObjStruct(interp, attrObjv[i],
+		    compositeAttrMap, sizeof(struct StrIntMap),
+		    "attribute", 0, &index) == TCL_OK) {
+		wmPtr->attributes |= compositeAttrMap[index].intValue;
+	    } else if (Tcl_GetIndexFromObjStruct(interp, attrObjv[i],
+		    attrMap, sizeof(struct StrIntMap),
+		    "attribute", 0, &index) == TCL_OK) {
+		Tcl_ResetResult(interp);
+		wmPtr->attributes |= attrMap[index].intValue;
+	    } else {
+		goto badClassAttrs;
+	    }
+	}
+	ApplyWindowClassAttributeChanges(winPtr, NULL, oldClass, oldAttributes,
+		0);
+	wmPtr->style = -1;
+	return TCL_OK;
+
+    badClassAttrs:
+	wmPtr->macClass = oldClass;
+	wmPtr->attributes = oldAttributes;
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpMakeMenuWindow --
+ *
+ *	Configure the window to be either a undecorated pull-down (or pop-up)
+ *	menu, or as a toplevel floating menu (palette).
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Changes the style bit used to create a new Mac toplevel.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpMakeMenuWindow(
+    Tk_Window tkwin,		/* New window. */
+    int transient)		/* 1 means menu is only posted briefly as a
+				 * popup or pulldown or cascade. 0 means menu
+				 * is always visible, e.g. as a floating
+				 * menu. */
+{
+    TkWindow *winPtr = (TkWindow *) tkwin;
+
+    if (transient) {
+	winPtr->wmInfoPtr->macClass = kSimpleWindowClass;
+	winPtr->wmInfoPtr->attributes = kWindowNoActivatesAttribute;
+    } else {
+	winPtr->wmInfoPtr->macClass = kFloatingWindowClass;
+	winPtr->wmInfoPtr->attributes = kWindowStandardFloatingAttributes;
+	winPtr->wmInfoPtr->flags |= WM_WIDTH_NOT_RESIZABLE;
+	winPtr->wmInfoPtr->flags |= WM_HEIGHT_NOT_RESIZABLE;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXMakeRealWindowExist --
+ *
+ *	This function finally creates the real Macintosh window that the Mac
+ *	actually understands.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	A new Macintosh toplevel is created.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXMakeRealWindowExist(
+    TkWindow *winPtr)		/* Tk window. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WindowRef newWindow = NULL;
+    ControlRef rootControl = NULL;
+    MacDrawable *macWin;
+    Rect initialBounds = {42, 0, 43, 1}, geometry, strWidths;
+    short structureW, structureH;
+    TkMacOSXWindowList *listPtr;
+    OSStatus err;
+
+    if (TkMacOSXHostToplevelExists(winPtr)) {
+	return;
+    }
+
+    macWin = (MacDrawable *) winPtr->window;
+
+    /*
+     * If this is embedded, make sure its container's toplevel exists,
+     * then return...
+     */
+
+    if (Tk_IsEmbedded(winPtr)) {
+	TkWindow *contWinPtr = TkpGetOtherWindow(winPtr);
+
+	if (contWinPtr != NULL) {
+	    TkMacOSXMakeRealWindowExist(
+		    contWinPtr->privatePtr->toplevel->winPtr);
+	    macWin->flags |= TK_HOST_EXISTS;
+	    return;
+	}
+
+	if (tkMacOSXEmbedHandler == NULL) {
+	    Tcl_Panic("TkMacOSXMakeRealWindowExist could not find container");
+	}
+	if (tkMacOSXEmbedHandler->containerExistProc &&
+		tkMacOSXEmbedHandler->containerExistProc((Tk_Window) winPtr)
+		!= TCL_OK) {
+	    Tcl_Panic("ContainerExistProc could not make container");
+	}
+	return;
+
+	/*
+	 * TODO: Here we should handle out of process embedding.
+	 */
+    }
+
+    if (wmPtr->style == -1) {
+	if (!IsValidWindowClass(wmPtr->macClass)) {
+	    TkMacOSXDbgMsg("Invalid window class: %ld", wmPtr->macClass);
+	    wmPtr->macClass = kPlainWindowClass;
+	}
+	wmPtr->attributes = (wmPtr->attributes | kWindowAsyncDragAttribute) &
+		GetAvailableWindowAttributes(wmPtr->macClass);
+	err = ChkErr(CreateNewWindow, wmPtr->macClass, wmPtr->attributes,
+		&initialBounds, &newWindow);
+	if (err != noErr) {
+	    newWindow = NULL;
+	}
+    } else {
+	TkMacOSXDbgMsg("Window creation via NewCWindow API is deprecated, "
+	       "use a window class instead of style %d", wmPtr->style);
+	newWindow = NewCWindow(NULL, &initialBounds, "\p", false,
+		wmPtr->style, (WindowRef) -1, true, 0);
+    }
+
+    if (newWindow == NULL) {
+	Tcl_Panic("couldn't allocate new Mac window");
+    }
+
+    ChkErr(GetWindowStructureWidths, newWindow, &strWidths);
+    if (wmPtr->macClass == kFloatingWindowClass) {
+	/*
+	 * Workaround GetWindowStructureWidths() Carbon bug:
+	 */
+
+	strWidths.top = 16;
+    }
+    wmPtr->xInParent = strWidths.left;
+    wmPtr->yInParent = strWidths.top;
+    structureW = strWidths.left + strWidths.right;
+    structureH = strWidths.top + strWidths.bottom;
+    wmPtr->parentWidth = winPtr->changes.width + structureW;
+    wmPtr->parentHeight = winPtr->changes.height + structureH;
+    InitialWindowBounds(winPtr, newWindow, &geometry);
+    geometry.right +=  structureW;
+    geometry.bottom += structureH;
+    ChkErr(SetWindowBounds, newWindow, kWindowStructureRgn, &geometry);
+
+    TkMacOSXInstallWindowCarbonEventHandler(NULL, newWindow);
+    if (ChkErr(CreateRootControl, newWindow, &rootControl) != noErr ) {
+	Tcl_Panic("couldn't create root control for new Mac window");
+    }
+    if (wmPtr->attributes & kWindowResizableAttribute) {
+	HIViewRef growBoxView;
+
+	err = HIViewFindByID(HIViewGetRoot(newWindow),
+		kHIViewWindowGrowBoxID, &growBoxView);
+	if (err == noErr && !HIGrowBoxViewIsTransparent(growBoxView)) {
+	    ChkErr(HIGrowBoxViewSetTransparent, growBoxView, true);
+	}
+    }
+
+    /*
+     * Add this window to the list of toplevel windows.
+     */
+
+    listPtr = (TkMacOSXWindowList *) ckalloc(sizeof(TkMacOSXWindowList));
+    listPtr->nextPtr = tkMacOSXWindowListPtr;
+    listPtr->winPtr = winPtr;
+    tkMacOSXWindowListPtr = listPtr;
+
+    macWin->grafPtr = GetWindowPort(newWindow);
+    macWin->rootControl = rootControl;
+
+    if (wmPtr->master != None || winPtr->atts.override_redirect) {
+	ApplyMasterOverrideChanges(winPtr, newWindow);
+    }
+    SetWindowModified(newWindow, false);
+    TkMacOSXRegisterOffScreenWindow((Window) macWin, (GWorldPtr) newWindow);
+    macWin->flags |= TK_HOST_EXISTS;
+    ChkErr(GetWindowClass, newWindow, &(wmPtr->macClass));
+    ChkErr(GetWindowAttributes, newWindow, &(wmPtr->attributes));
+
+#ifdef TK_MAC_DEBUG_WINDOWS
+    TkMacOSXInitNamedDebugSymbol(HIToolbox, void, DebugPrintWindow, WindowRef);
+    if (DebugPrintWindow) {
+	DebugPrintWindow(newWindow);
+    }
+#endif /* TK_MAC_DEBUG_WINDOWS */
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXRegisterOffScreenWindow --
+ *
+ *	This function adds the passed in Off Screen Port to the hash table
+ *	that maps Mac windows to root X windows.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	An entry is added to the windowTable hash table.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXRegisterOffScreenWindow(
+    Window window,		/* Window structure. */
+    GWorldPtr portPtr)		/* Pointer to a Mac GWorld. */
+{
+    Tcl_HashEntry *valueHashPtr;
+    int isNew;
+
+    if (!windowHashInit) {
+	Tcl_InitHashTable(&windowTable, TCL_ONE_WORD_KEYS);
+	windowHashInit = true;
+    }
+    valueHashPtr = Tcl_CreateHashEntry(&windowTable, (char *) portPtr, &isNew);
+    if (!isNew) {
+	Tcl_Panic("Same macintosh window allocated twice!");
+    }
+    Tcl_SetHashValue(valueHashPtr, window);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXUnregisterMacWindow --
+ *
+ *	Given a macintosh port window, this function removes the association
+ *	between this window and the root X window that Tk cares about.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	An entry is removed from the windowTable hash table.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXUnregisterMacWindow(
+    WindowRef macWinPtr)	/* Reference to a Mac Window */
+{
+    Tcl_HashEntry *entryPtr;
+
+    if (!windowHashInit) {
+	Tcl_Panic("TkMacOSXUnregisterMacWindow: unmapping before inited");
+    }
+    entryPtr = Tcl_FindHashEntry(&windowTable,(char *) macWinPtr);
+    if (!entryPtr) {
+	TkMacOSXDbgMsg("Failed to find window %08x", (int) macWinPtr);
+    } else {
+	Tcl_DeleteHashEntry(entryPtr);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXSetScrollbarGrow --
+ *
+ *	Sets a flag for a toplevel window indicating that the passed Tk
+ *	scrollbar window will display the grow region for the toplevel window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	A flag is set int windows toplevel parent.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXSetScrollbarGrow(
+    TkWindow *winPtr,		/* Tk scrollbar window. */
+    int flag)			/* Boolean value true or false. */
+{
+    if (flag) {
+	winPtr->privatePtr->toplevel->flags |= TK_SCROLLBAR_GROW;
+	winPtr->privatePtr->toplevel->winPtr->wmInfoPtr->scrollWinPtr = winPtr;
+    } else if (winPtr->privatePtr->toplevel->winPtr->wmInfoPtr->scrollWinPtr
+	    == winPtr) {
+	winPtr->privatePtr->toplevel->flags &= ~TK_SCROLLBAR_GROW;
+	winPtr->privatePtr->toplevel->winPtr->wmInfoPtr->scrollWinPtr = NULL;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmFocusToplevel --
+ *
+ *	This is a utility procedure invoked by focus-management code. It
+ *	exists because of the extra wrapper windows that exist under Unix; its
+ *	job is to map from wrapper windows to the corresponding toplevel
+ *	windows. On PCs and Macs there are no wrapper windows so no mapping is
+ *	necessary; this procedure just determines whether a window is a
+ *	toplevel or not.
+ *
+ * Results:
+ *	If winPtr is a toplevel window, returns the pointer to the window;
+ *	otherwise returns NULL.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkWindow *
+TkWmFocusToplevel(
+    TkWindow *winPtr)		/* Window that received a focus-related
+				 * event. */
+{
+    if (!(winPtr->flags & TK_TOP_LEVEL)) {
+	return NULL;
+    }
+    return winPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpGetWrapperWindow --
+ *
+ *	This is a utility procedure invoked by focus-management code. It maps
+ *	to the wrapper for a top-level, which is just the same as the
+ *	top-level on Macs and PCs.
+ *
+ * Results:
+ *	If winPtr is a toplevel window, returns the pointer to the window;
+ *	otherwise returns NULL.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkWindow *
+TkpGetWrapperWindow(
+    TkWindow *winPtr)		/* Window that received a focus-related
+				 * event. */
+{
+    if (!(winPtr->flags & TK_TOP_LEVEL)) {
+	return NULL;
+    }
+    return winPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpWmSetState --
+ *
+ *	Sets the window manager state for the wrapper window of a given
+ *	toplevel window.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	May maximize, minimize, restore, or withdraw a window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpWmSetState(
+    TkWindow *winPtr,		/* Toplevel window to operate on. */
+    int state)			/* One of IconicState, ZoomState, NormalState,
+				 * or WithdrawnState. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WindowRef macWin;
+
+    wmPtr->hints.initial_state = state;
+    if (wmPtr->flags & WM_NEVER_MAPPED) {
+	return;
+    }
+
+    macWin = TkMacOSXDrawableWindow(winPtr->window);
+
+    if (state == WithdrawnState) {
+	Tk_UnmapWindow((Tk_Window) winPtr);
+    } else if (state == IconicState) {
+	/*
+	 * The window always gets unmapped. If we can show the icon version of
+	 * the window we also collapse it.
+	 */
+
+	if (IsWindowCollapsable(macWin) && !IsWindowCollapsed(macWin)) {
+	    CollapseWindow(macWin, true);
+	}
+	Tk_UnmapWindow((Tk_Window) winPtr);
+    } else if (state == NormalState) {
+	Tk_MapWindow((Tk_Window) winPtr);
+	if (IsWindowCollapsable(macWin) && IsWindowCollapsed(macWin)) {
+	    CollapseWindow(macWin, false);
+	}
+	TkMacOSXZoomToplevel(macWin, inZoomIn);
+    } else if (state == ZoomState) {
+	Tk_MapWindow((Tk_Window) winPtr);
+	if (IsWindowCollapsable(macWin) && IsWindowCollapsed(macWin)) {
+	    CollapseWindow(macWin, false);
+	}
+	TkMacOSXZoomToplevel(macWin, inZoomOut);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpIsWindowFloating --
+ *
+ *	Returns 1 if a window is floating, 0 otherwise.
+ *
+ * Results:
+ *	1 or 0 depending on window's floating attribute.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpIsWindowFloating(
+    WindowRef wRef)
+{
+    WindowClass class;
+
+    if (wRef == NULL) {
+	return 0;
+    }
+
+    GetWindowClass(wRef, &class);
+    return (class == kFloatingWindowClass);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXWindowClass --
+ *
+ *	Returns OS X window class of window
+ *
+ * Results:
+ *	1 or 0 depending on window's floating attribute.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+MODULE_SCOPE WindowClass
+TkMacOSXWindowClass(
+    TkWindow *winPtr)
+{
+    return winPtr->wmInfoPtr->macClass;
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * TkMacOSXWindowOffset --
+ *
+ *	Determines the x and y offset from the orgin of the toplevel window
+ *	dressing (the structure region, i.e. title bar) and the orgin of the
+ *	content area.
+ *
+ * Results:
+ *	The x & y offset in pixels.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXWindowOffset(
+    WindowRef wRef,
+    int *xOffset,
+    int *yOffset)
+{
+    Window window;
+    TkDisplay *dispPtr;
+    TkWindow *winPtr;
+
+    window = TkMacOSXGetXWindow(wRef);
+    dispPtr = TkGetDisplayList();
+    winPtr = (TkWindow *) Tk_IdToWindow(dispPtr->display, window);
+    *xOffset = winPtr->wmInfoPtr->xInParent;
+    *yOffset = winPtr->wmInfoPtr->yInParent;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpGetMS --
+ *
+ *	Return a relative time in milliseconds. It doesn't matter when the
+ *	epoch was.
+ *
+ * Results:
+ *	Number of milliseconds.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+unsigned long
+TkpGetMS(void)
+{
+    Tcl_Time now;
+
+    Tcl_GetTime(&now);
+    return (long) now.sec * 1000 + now.usec / 1000;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XSetInputFocus --
+ *
+ *	Change the focus window for the application.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+XSetInputFocus(
+    Display* display,
+    Window focus,
+    int revert_to,
+    Time time)
+{
+    /*
+     * Don't need to do a thing. Tk manages the focus for us.
+     */
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpChangeFocus --
+ *
+ *	This procedure is a stub on the Mac because we always own the focus if
+ *	we are a front most application.
+ *
+ * Results:
+ *	The return value is the serial number of the command that changed the
+ *	focus. It may be needed by the caller to filter out focus change
+ *	events that were queued before the command. If the procedure doesn't
+ *	actually change the focus then it returns 0.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpChangeFocus(
+    TkWindow *winPtr,		/* Window that is to receive the X focus. */
+    int force)			/* Non-zero means claim the focus even if it
+				 * didn't originally belong to topLevelPtr's
+				 * application. */
+{
+    /*
+     * We don't really need to do anything on the Mac. Tk will keep all this
+     * state for us.
+     */
+
+    if (winPtr->atts.override_redirect) {
+	return 0;
+    }
+
+    /*
+     * Remember the current serial number for the X server and issue a dummy
+     * server request. This marks the position at which we changed the focus,
+     * so we can distinguish FocusIn and FocusOut events on either side of the
+     * mark.
+     */
+
+    return NextRequest(winPtr->display);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmStackorderToplevelWrapperMap --
+ *
+ *	This procedure will create a table that maps the reparent wrapper X id
+ *	for a toplevel to the TkWindow structure that is wraps. Tk keeps track
+ *	of a mapping from the window X id to the TkWindow structure but that
+ *	does us no good here since we only get the X id of the wrapper window.
+ *	Only those toplevel windows that are mapped have a position in the
+ *	stacking order.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Adds entries to the passed hashtable.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+WmStackorderToplevelWrapperMap(
+    TkWindow *winPtr,		/* TkWindow to recurse on */
+    Display *display,		/* X display of parent window */
+    Tcl_HashTable *table)	/* Maps mac window to TkWindow */
+{
+    TkWindow *childPtr;
+    Tcl_HashEntry *hPtr;
+    WindowRef macWindow;
+    int newEntry;
+
+    if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr)
+	    && (winPtr->display == display)) {
+	macWindow = TkMacOSXDrawableWindow(winPtr->window);
+
+	hPtr = Tcl_CreateHashEntry(table,
+		(const char *) macWindow, &newEntry);
+	Tcl_SetHashValue(hPtr, winPtr);
+    }
+
+    for (childPtr = winPtr->childList; childPtr != NULL;
+	    childPtr = childPtr->nextPtr) {
+	WmStackorderToplevelWrapperMap(childPtr, display, table);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkWmStackorderToplevel --
+ *
+ *	This procedure returns the stack order of toplevel windows.
+ *
+ * Results:
+ *	An array of pointers to tk window objects in stacking order or else
+ *	NULL if there was an error.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkWindow **
+TkWmStackorderToplevel(
+    TkWindow *parentPtr)	/* Parent toplevel window. */
+{
+    WindowRef frontWindow;
+    TkWindow *childWinPtr, **windows, **window_ptr;
+    Tcl_HashTable table;
+    Tcl_HashEntry *hPtr;
+    Tcl_HashSearch search;
+
+    /*
+     * Map mac windows to a TkWindow of the wrapped toplevel.
+     */
+
+    Tcl_InitHashTable(&table, TCL_ONE_WORD_KEYS);
+    WmStackorderToplevelWrapperMap(parentPtr, parentPtr->display, &table);
+
+    windows = (TkWindow **)
+	    ckalloc((table.numEntries+1) * sizeof(TkWindow *));
+
+    /*
+     * Special cases: If zero or one toplevels were mapped there is no need to
+     * enumerate Windows.
+     */
+
+    switch (table.numEntries) {
+    case 0:
+	windows[0] = NULL;
+	goto done;
+    case 1:
+	hPtr = Tcl_FirstHashEntry(&table, &search);
+	windows[0] = Tcl_GetHashValue(hPtr);
+	windows[1] = NULL;
+	goto done;
+    }
+
+    frontWindow = GetFrontWindowOfClass(kAllWindowClasses, false);
+    if (frontWindow == NULL) {
+	ckfree((char *) windows);
+	windows = NULL;
+    } else {
+	window_ptr = windows + table.numEntries;
+	*window_ptr-- = NULL;
+	while (frontWindow != NULL) {
+	    hPtr = Tcl_FindHashEntry(&table, (char *) frontWindow);
+	    if (hPtr != NULL) {
+		childWinPtr = Tcl_GetHashValue(hPtr);
+		*window_ptr-- = childWinPtr;
+	    }
+	    frontWindow = GetNextWindow(frontWindow);
+	}
+	if (window_ptr != (windows-1)) {
+	    Tcl_Panic("num matched toplevel windows does not equal num "
+		    "children");
+	}
+    }
+
+  done:
+    Tcl_DeleteHashTable(&table);
+    return windows;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * ApplyWindowClassAttributeChanges --
+ *
+ *	This procedure applies carbon window class and attribute changes.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+ApplyWindowClassAttributeChanges(
+    TkWindow *winPtr,
+    WindowRef macWindow,
+    WindowClass oldClass,
+    WindowAttributes oldAttributes,
+    int create)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WindowAttributes newAttributes = wmPtr->attributes |
+	    kWindowAsyncDragAttribute;
+
+    if (wmPtr->macClass != oldClass || newAttributes != oldAttributes) {
+	Rect strWidths;
+
+	if (!macWindow) {
+	    if (winPtr->window == None) {
+		if (create) {
+		    Tk_MakeWindowExist((Tk_Window) winPtr);
+		} else {
+		    return;
+		}
+	    }
+	    if (!TkMacOSXHostToplevelExists(winPtr)) {
+		if (create) {
+		    TkMacOSXMakeRealWindowExist(winPtr);
+		} else {
+		    return;
+		}
+	    }
+	    macWindow = TkMacOSXDrawableWindow(winPtr->window);
+	}
+	if (wmPtr->macClass != oldClass) {
+	    TK_IF_MAC_OS_X_API (4, HIWindowChangeClass,
+		ChkErr(HIWindowChangeClass, macWindow, wmPtr->macClass);
+	    ) TK_ENDIF
+	    ChkErr(GetWindowClass, macWindow, &(wmPtr->macClass));
+	}
+	if (newAttributes != oldAttributes) {
+	    newAttributes &= GetAvailableWindowAttributes(wmPtr->macClass);
+	    ChkErr(ChangeWindowAttributes, macWindow,
+		    newAttributes & (newAttributes ^ oldAttributes),
+		    oldAttributes & (newAttributes ^ oldAttributes));
+	}
+	ChkErr(GetWindowAttributes, macWindow, &(wmPtr->attributes));
+	if ((wmPtr->attributes ^ oldAttributes) & kWindowResizableAttribute) {
+	    if (wmPtr->attributes & kWindowResizableAttribute) {
+		HIViewRef growBoxView;
+		OSStatus err = HIViewFindByID(HIViewGetRoot(macWindow),
+			kHIViewWindowGrowBoxID, &growBoxView);
+
+		if (err == noErr && !HIGrowBoxViewIsTransparent(growBoxView)) {
+		    ChkErr(HIGrowBoxViewSetTransparent, growBoxView, true);
+		}
+	    }
+	    TkMacOSXInvalClipRgns((Tk_Window) winPtr);
+	    TkMacOSXInvalidateWindow((MacDrawable *) winPtr->window,
+		    TK_PARENT_WINDOW);
+	}
+
+	/*
+	 * The change of window class/attributes might have changed the window
+	 * structure widths:
+	 */
+
+	GetWindowStructureWidths(macWindow, &strWidths);
+	wmPtr->xInParent = strWidths.left;
+	wmPtr->yInParent = strWidths.top;
+	wmPtr->parentWidth = winPtr->changes.width + strWidths.left
+		+ strWidths.right;
+	wmPtr->parentHeight = winPtr->changes.height + strWidths.top
+		+ strWidths.bottom;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * ApplyMasterOverrideChanges --
+ *
+ *	This procedure applies changes to override_redirect or master.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+ApplyMasterOverrideChanges(
+    TkWindow *winPtr,
+    WindowRef macWindow)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WindowClass oldClass = wmPtr->macClass;
+    WindowAttributes oldAttributes = wmPtr->attributes;
+
+    /*
+     * FIX: We need an UpdateWrapper equivalent to make this 100% correct
+     */
+
+    if (winPtr->atts.override_redirect) {
+	if (oldClass == kDocumentWindowClass) {
+	    wmPtr->macClass = kSimpleWindowClass;
+	    wmPtr->attributes = kWindowNoAttributes;
+	}
+	wmPtr->attributes |= kWindowNoActivatesAttribute;
+    } else {
+	if (oldClass == kSimpleWindowClass &&
+		oldAttributes == kWindowNoActivatesAttribute) {
+	    wmPtr->macClass = kDocumentWindowClass;
+	    wmPtr->attributes = kWindowStandardDocumentAttributes
+		    | kWindowLiveResizeAttribute;
+	}
+	wmPtr->attributes &= ~kWindowNoActivatesAttribute;
+    }
+    if (!macWindow && winPtr->window != None &&
+	    TkMacOSXHostToplevelExists(winPtr)) {
+	macWindow = TkMacOSXDrawableWindow(winPtr->window);
+    }
+    if (macWindow) {
+	WindowGroupRef group;
+
+	ApplyWindowClassAttributeChanges(winPtr, macWindow, oldClass,
+		oldAttributes, 0);
+
+	if (winPtr->atts.override_redirect && wmPtr->master != None) {
+	    wmPtr->flags |= WM_TOPMOST;
+	} else {
+	    wmPtr->flags &= ~WM_TOPMOST;
+	}
+	group = WmGetWindowGroup(winPtr);
+	if (group && group != GetWindowGroup(macWindow)) {
+	    ChkErr(SetWindowGroup, macWindow, group);
+	}
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * WmGetWindowGroup --
+ *
+ *	Gets the window group a toplevel should be placed in.
+ *
+ * Results:
+ *	A WindowGroupRef.
+ *
+ * Side effects:
+ *	A transient window group for the master (if any) may be created.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static WindowGroupRef
+WmGetWindowGroup(
+    TkWindow *winPtr)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    WindowGroupRef group = NULL;
+
+    if (wmPtr->flags & WM_TOPMOST) {
+	group = GetWindowGroupOfClass(kUtilityWindowClass);
+    } else if (wmPtr->master != None) {
+	TkDisplay *dispPtr = TkGetDisplayList();
+	TkWindow *masterWinPtr = (TkWindow *)
+		Tk_IdToWindow(dispPtr->display, wmPtr->master);
+
+	if (masterWinPtr && masterWinPtr->window != None &&
+		TkMacOSXHostToplevelExists(masterWinPtr)) {
+	    WindowRef masterMacWin =
+		    TkMacOSXDrawableWindow(masterWinPtr->window);
+
+	    if (masterMacWin && GetWindowProperty(masterMacWin, 'Tk  ', 'TsGp',
+		    sizeof(group), NULL, &group) != noErr) {
+		ChkErr(CreateWindowGroup, 0, &group);
+		if (group) {
+		    ChkErr(SetWindowGroupParent, group,
+			    GetWindowGroup(masterMacWin));
+		    ChkErr(SetWindowGroupOwner, group, masterMacWin);
+		    ChkErr(SetWindowProperty, masterMacWin, 'Tk  ', 'TsGp',
+			    sizeof(group), &group);
+		}
+	    }
+	}
+    }
+    if (!group) {
+	group = GetWindowGroupOfClass(wmPtr->macClass);
+    }
+    return group;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXMakeFullscreen --
+ *
+ *	This procedure sets a fullscreen window to the size of the screen.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkMacOSXMakeFullscreen(
+    TkWindow *winPtr,
+    WindowRef window,
+    int fullscreen,
+    Tcl_Interp *interp)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int result = TCL_OK, wasFullscreen = (wmPtr->flags & WM_FULLSCREEN);
+
+    if (fullscreen) {
+	int screenWidth =  WidthOfScreen(Tk_Screen(winPtr));
+	int screenHeight = HeightOfScreen(Tk_Screen(winPtr));
+
+	/*
+	 * Check max width and height if set by the user.
+	 */
+
+	if ((wmPtr->maxWidth > 0 && wmPtr->maxWidth < screenWidth)
+		|| (wmPtr->maxHeight > 0 && wmPtr->maxHeight < screenHeight)) {
+	    if (interp) {
+		Tcl_AppendResult(interp,
+			"can't set fullscreen attribute for \"",
+			winPtr->pathName,
+			"\": max width/height is too small", NULL);
+	    }
+	    result = TCL_ERROR;
+	    wmPtr->flags &= ~WM_FULLSCREEN;
+	} else {
+	    Rect bounds, screenBounds = {0, 0, screenHeight, screenWidth};
+
+	    ChkErr(GetWindowBounds, window, kWindowContentRgn, &bounds);
+	    if (!EqualRect(&bounds, &screenBounds)) {
+		if (!wasFullscreen) {
+		    wmPtr->configX = wmPtr->x;
+		    wmPtr->configY = wmPtr->y;
+		    wmPtr->configAttributes = wmPtr->attributes;
+		    wmPtr->attributes &= ~kWindowResizableAttribute;
+		    ApplyWindowClassAttributeChanges(winPtr, window,
+			    wmPtr->macClass, wmPtr->configAttributes, 0);
+		}
+		wmPtr->flags |= WM_SYNC_PENDING;
+		ChkErr(SetWindowBounds, window, kWindowContentRgn,
+			&screenBounds);
+		wmPtr->flags &= ~WM_SYNC_PENDING;
+	    }
+	    wmPtr->flags |= WM_FULLSCREEN;
+	}
+    } else {
+	wmPtr->flags &= ~WM_FULLSCREEN;
+    }
+    if (wasFullscreen && !(wmPtr->flags & WM_FULLSCREEN)) {
+	WindowAttributes oldAttributes = wmPtr->attributes;
+	Rect bounds = {wmPtr->configY, wmPtr->configX,
+		wmPtr->configY + wmPtr->yInParent + wmPtr->configHeight,
+		wmPtr->configX + wmPtr->xInParent + wmPtr->configWidth};
+
+	wmPtr->attributes |= wmPtr->configAttributes &
+		kWindowResizableAttribute;
+	ApplyWindowClassAttributeChanges(winPtr, window, wmPtr->macClass,
+		oldAttributes, 0);
+	wmPtr->flags |= WM_SYNC_PENDING;
+	ChkErr(SetWindowBounds, window, kWindowStructureRgn, &bounds);
+	wmPtr->flags &= ~WM_SYNC_PENDING;
+    }
+    TkMacOSXEnterExitFullscreen(winPtr, IsWindowActive(window));
+    return result;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkMacOSXEnterExitFullscreen --
+ *
+ *	This procedure enters or exits fullscreen mode if required.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXEnterExitFullscreen(
+    TkWindow *winPtr,
+    int active)
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    SystemUIMode mode;
+    SystemUIOptions options;
+
+    GetSystemUIMode(&mode, &options);
+    if (wmPtr->flags & WM_FULLSCREEN && active) {
+	static SystemUIMode fullscreenMode = 0;
+	static SystemUIOptions fullscreenOptions = 0;
+
+	if (!fullscreenMode) {
+	    TK_IF_HI_TOOLBOX (3,
+		fullscreenMode = kUIModeAllSuppressed;
+	    ) TK_ELSE_HI_TOOLBOX (3,
+		fullscreenMode = kUIModeAllHidden;
+		fullscreenOptions = kUIOptionAutoShowMenuBar;
+	    ) TK_ENDIF
+	}
+	if (mode != fullscreenMode) {
+	    ChkErr(SetSystemUIMode, fullscreenMode, fullscreenOptions);
+	}
+    } else {
+	if (mode != kUIModeNormal) {
+	    ChkErr(SetSystemUIMode, kUIModeNormal, 0);
+	}
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * GetMinSize --
+ *
+ *	This function computes the current minWidth and minHeight values for a
+ *	window, taking into account the possibility that they may be
+ *	defaulted.
+ *
+ * Results:
+ *	The values at *minWidthPtr and *minHeightPtr are filled in with the
+ *	minimum allowable dimensions of wmPtr's window, in grid units. If the
+ *	requested minimum is smaller than the system required minimum, then
+ *	this function computes the smallest size that will satisfy both the
+ *	system and the grid constraints.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+GetMinSize(
+    TkWindow *winPtr,		/* Toplevel window to operate on. */
+    int *minWidthPtr,		/* Where to store the current minimum width of
+				 * the window. */
+    int *minHeightPtr)		/* Where to store the current minimum height
+				 * of the window. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    int minWidth = 1, minHeight = 1;
+
+    /*
+     * Compute the minimum width & height by taking the default client size and
+     * rounding it up to the nearest grid unit. Return the greater of the
+     * default minimum and the specified minimum.
+     */
+
+    switch (wmPtr->macClass) {
+    case kDocumentWindowClass:
+    case kMovableAlertWindowClass:
+    case kMovableModalWindowClass:
+	minWidth = 72;
+	if (wmPtr->attributes & kWindowResizableAttribute) {
+	    minHeight = 15;
+	}
+	if (wmPtr->attributes & kWindowToolbarButtonAttribute) {
+	    minWidth += 29;
+	}
+	break;
+    case kFloatingWindowClass:
+    case kUtilityWindowClass:
+	minWidth = 59;
+	if (wmPtr->attributes & kWindowResizableAttribute) {
+	    minHeight = 11;
+	}
+	if (wmPtr->attributes & kWindowSideTitlebarAttribute) {
+	    int tmp = minWidth;
+
+	    minWidth = minHeight;
+	    minHeight = tmp;
+	} else if (wmPtr->attributes & kWindowToolbarButtonAttribute) {
+	    minWidth += 29;
+	}
+	break;
+    default:
+	if (wmPtr->attributes & kWindowResizableAttribute) {
+	    minWidth = 15;
+	    minHeight = 15;
+	}
+	break;
+    }
+
+    if (wmPtr->gridWin != NULL) {
+	int base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc);
+
+	if (base < 0) {
+	    base = 0;
+	}
+	minWidth = ((minWidth - base) + wmPtr->widthInc-1)/wmPtr->widthInc;
+	base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc);
+	if (base < 0) {
+	    base = 0;
+	}
+	minHeight = ((minHeight - base) + wmPtr->heightInc-1)/wmPtr->heightInc;
+    }
+    if (minWidth < wmPtr->minWidth) {
+	minWidth = wmPtr->minWidth;
+    }
+    if (minHeight < wmPtr->minHeight) {
+	minHeight = wmPtr->minHeight;
+    }
+    *minWidthPtr = minWidth;
+    *minHeightPtr = minHeight;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * GetMaxSize --
+ *
+ *	This function computes the current maxWidth and maxHeight values for a
+ *	window, taking into account the possibility that they may be
+ *	defaulted.
+ *
+ * Results:
+ *	The values at *maxWidthPtr and *maxHeightPtr are filled in with the
+ *	maximum allowable dimensions of wmPtr's window, in grid units. If no
+ *	maximum has been specified for the window, then this function computes
+ *	the largest sizes that will fit on the screen.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+GetMaxSize(
+    TkWindow *winPtr,		/* Toplevel window to operate on. */
+    int *maxWidthPtr,		/* Where to store the current maximum width of
+				 * the window. */
+    int *maxHeightPtr)		/* Where to store the current maximum height
+				 * of the window. */
+{
+    WmInfo *wmPtr = winPtr->wmInfoPtr;
+    Rect *maxBounds = (Rect*)(winPtr->display->screens->ext_data);
+
+    if (wmPtr->maxWidth > 0) {
+	*maxWidthPtr = wmPtr->maxWidth;
+    } else {
+	int maxWidth = maxBounds->right - maxBounds->left - wmPtr->xInParent;
+
+	if (wmPtr->gridWin != NULL) {
+	    maxWidth = wmPtr->reqGridWidth
+		    + (maxWidth - winPtr->reqWidth)/wmPtr->widthInc;
+	}
+	*maxWidthPtr = maxWidth;
+    }
+    if (wmPtr->maxHeight > 0) {
+	*maxHeightPtr = wmPtr->maxHeight;
+    } else {
+	int maxHeight = maxBounds->bottom - maxBounds->top - wmPtr->yInParent;
+
+	if (wmPtr->gridWin != NULL) {
+	    maxHeight = wmPtr->reqGridHeight
+		    + (maxHeight - winPtr->reqHeight)/wmPtr->heightInc;
+	}
+	*maxHeightPtr = maxHeight;
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * RemapWindows
+ *
+ *	Adjust parent/child relation ships of the given window hierarchy.
+ *
+ * Results:
+ *	none
+ *
+ * Side effects:
+ *	keeps windowing system (X11) happy
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+RemapWindows(
+    TkWindow *winPtr,
+    MacDrawable *parentWin)
+{
+    TkWindow *childPtr;
+
+    /*
+     * Remove the OS specific window. It will get rebuilt when the window gets
+     * Mapped.
+     */
+
+    if (winPtr->window != None) {
+	MacDrawable *macWin = (MacDrawable *) winPtr->window;
+
+	macWin->grafPtr = NULL;
+	macWin->toplevel = parentWin->toplevel;
+	winPtr->flags &= ~TK_MAPPED;
+#ifdef TK_REBUILD_TOPLEVEL
+	winPtr->flags |= TK_REBUILD_TOPLEVEL;
+#endif
+    }
+
+    /* Repeat for all the children */
+    for (childPtr = winPtr->childList; childPtr != NULL;
+	    childPtr = childPtr->nextPtr) {
+	RemapWindows(childPtr, (MacDrawable *) winPtr->window);
+    }
+}
+
+/*
+ * Local Variables:
+ * fill-column: 78
+ * c-basic-offset: 4
+ * End:
+ */