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path: root/macosx/tkMacOSXDialog.c
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/*
 * tkMacOSXDialog.c --
 *
 *	Contains the Mac implementation of the common dialog boxes.
 *
 * Copyright (c) 1996-1997 Sun Microsystems, Inc.
 * Copyright 2001-2009, Apple Inc.
 * Copyright (c) 2006-2009 Daniel A. Steffen <das@users.sourceforge.net>
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tkMacOSXPrivate.h"
#include "tkFileFilter.h"

#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
#define modalOK     NSOKButton
#define modalCancel NSCancelButton
#else
#define modalOK     NSModalResponseOK
#define modalCancel NSModalResponseCancel
#endif
#define modalOther  -1
#define modalError  -2


static const char *const colorOptionStrings[] = {
    "-initialcolor", "-parent", "-title", NULL
};
enum colorOptions {
    COLOR_INITIAL, COLOR_PARENT, COLOR_TITLE
};

static const char *const openOptionStrings[] = {
    "-defaultextension", "-filetypes", "-initialdir", "-initialfile",
    "-message", "-multiple", "-parent", "-title", "-typevariable",
    "-command", NULL
};
enum openOptions {
    OPEN_DEFAULT, OPEN_FILETYPES, OPEN_INITDIR, OPEN_INITFILE,
    OPEN_MESSAGE, OPEN_MULTIPLE, OPEN_PARENT, OPEN_TITLE,
    OPEN_TYPEVARIABLE, OPEN_COMMAND,
};
static const char *const saveOptionStrings[] = {
    "-defaultextension", "-filetypes", "-initialdir", "-initialfile",
    "-message", "-parent", "-title", "-typevariable", "-command",
    "-confirmoverwrite", NULL
};
enum saveOptions {
    SAVE_DEFAULT, SAVE_FILETYPES, SAVE_INITDIR, SAVE_INITFILE,
    SAVE_MESSAGE, SAVE_PARENT, SAVE_TITLE, SAVE_TYPEVARIABLE, SAVE_COMMAND,
    SAVE_CONFIRMOW
};
static const char *const chooseOptionStrings[] = {
    "-initialdir", "-message", "-mustexist", "-parent", "-title", "-command",
    NULL
};
enum chooseOptions {
    CHOOSE_INITDIR, CHOOSE_MESSAGE, CHOOSE_MUSTEXIST, CHOOSE_PARENT,
    CHOOSE_TITLE, CHOOSE_COMMAND,
};
typedef struct {
    Tcl_Interp *interp;
    Tcl_Obj *cmdObj;
    int multiple;
} FilePanelCallbackInfo;

static const char *const alertOptionStrings[] = {
    "-default", "-detail", "-icon", "-message", "-parent", "-title",
    "-type", "-command", NULL
};
enum alertOptions {
    ALERT_DEFAULT, ALERT_DETAIL, ALERT_ICON, ALERT_MESSAGE, ALERT_PARENT,
    ALERT_TITLE, ALERT_TYPE, ALERT_COMMAND,
};
typedef struct {
    Tcl_Interp *interp;
    Tcl_Obj *cmdObj;
    int typeIndex;
} AlertCallbackInfo;
static const char *const alertTypeStrings[] = {
    "abortretryignore", "ok", "okcancel", "retrycancel", "yesno",
    "yesnocancel", NULL
};
enum alertTypeOptions {
    TYPE_ABORTRETRYIGNORE, TYPE_OK, TYPE_OKCANCEL, TYPE_RETRYCANCEL,
    TYPE_YESNO, TYPE_YESNOCANCEL
};
static const char *const alertIconStrings[] = {
    "error", "info", "question", "warning", NULL
};
enum alertIconOptions {
    ICON_ERROR, ICON_INFO, ICON_QUESTION, ICON_WARNING
};
static const char *const alertButtonStrings[] = {
    "abort", "retry", "ignore", "ok", "cancel", "yes", "no", NULL
};

static const NSString *const alertButtonNames[][3] = {
    [TYPE_ABORTRETRYIGNORE] =   {@"Abort", @"Retry", @"Ignore"},
    [TYPE_OK] =			{@"OK"},
    [TYPE_OKCANCEL] =		{@"OK", @"Cancel"},
    [TYPE_RETRYCANCEL] =	{@"Retry", @"Cancel"},
    [TYPE_YESNO] =		{@"Yes", @"No"},
    [TYPE_YESNOCANCEL] =	{@"Yes", @"No", @"Cancel"},
};
static const NSAlertStyle alertStyles[] = {
    [ICON_ERROR] =		NSWarningAlertStyle,
    [ICON_INFO] =		NSInformationalAlertStyle,
    [ICON_QUESTION] =		NSWarningAlertStyle,
    [ICON_WARNING] =		NSCriticalAlertStyle,
};

/*
 * Need to map from 'alertButtonStrings' and its corresponding integer, index
 * to the native button index, which is 1, 2, 3, from right to left. This is
 * necessary to do for each separate '-type' of button sets.
 */

static const short alertButtonIndexAndTypeToNativeButtonIndex[][7] = {
			    /*  abort retry ignore ok   cancel yes   no */
    [TYPE_ABORTRETRYIGNORE] =   {1,    2,    3,    0,    0,    0,    0},
    [TYPE_OK] =			{0,    0,    0,    1,    0,    0,    0},
    [TYPE_OKCANCEL] =		{0,    0,    0,    1,    2,    0,    0},
    [TYPE_RETRYCANCEL] =	{0,    1,    0,    0,    2,    0,    0},
    [TYPE_YESNO] =		{0,    0,    0,    0,    0,    1,    2},
    [TYPE_YESNOCANCEL] =	{0,    0,    0,    0,    3,    1,    2},
};

/*
 * Need also the inverse mapping, from NSAlertFirstButtonReturn etc to the
 * descriptive button text string index.
 */

static const short alertNativeButtonIndexAndTypeToButtonIndex[][3] = {
    [TYPE_ABORTRETRYIGNORE] =   {0, 1, 2},
    [TYPE_OK] =			{3, 0, 0},
    [TYPE_OKCANCEL] =		{3, 4, 0},
    [TYPE_RETRYCANCEL] =	{1, 4, 0},
    [TYPE_YESNO] =		{5, 6, 0},
    [TYPE_YESNOCANCEL] =	{5, 6, 4},
};

/*
 * Construct a file URL from directory and filename.  Either may
 * be nil.  If both are nil, returns nil.
 */
#if MAC_OS_X_VERSION_MIN_REQUIRED > 1050
static NSURL *getFileURL(NSString *directory, NSString *filename) {
    NSURL *url = nil;
    if (directory) {
	url = [NSURL fileURLWithPath:directory];
    }
    if (filename) {
	url = [NSURL URLWithString:filename relativeToURL:url];
    }
    return url;
}
#endif

#pragma mark TKApplication(TKDialog)

@interface NSColorPanel(TKDialog)
- (void) _setUseModalAppearance: (BOOL) flag;
@end

@implementation TKApplication(TKDialog)

- (void) tkFilePanelDidEnd: (NSSavePanel *) panel
	returnCode: (NSInteger) returnCode contextInfo: (void *) contextInfo
{
    FilePanelCallbackInfo *callbackInfo = contextInfo;

    if (returnCode == NSFileHandlingPanelOKButton) {
	Tcl_Obj *resultObj;

	if (callbackInfo->multiple) {
	    resultObj = Tcl_NewListObj(0, NULL);
	    for (NSURL *url in [(NSOpenPanel*)panel URLs]) {
		Tcl_ListObjAppendElement(callbackInfo->interp, resultObj,
			Tcl_NewStringObj([[url path] UTF8String], -1));
	    }
	} else {
	    resultObj = Tcl_NewStringObj([[[panel URL]path] UTF8String], -1);
	}
	if (callbackInfo->cmdObj) {
	    Tcl_Obj **objv, **tmpv;
	    int objc, result = Tcl_ListObjGetElements(callbackInfo->interp,
		    callbackInfo->cmdObj, &objc, &objv);

	    if (result == TCL_OK && objc) {
		tmpv = ckalloc(sizeof(Tcl_Obj *) * (objc + 2));
		memcpy(tmpv, objv, sizeof(Tcl_Obj *) * objc);
		tmpv[objc] = resultObj;
		TkBackgroundEvalObjv(callbackInfo->interp, objc + 1, tmpv,
			TCL_EVAL_GLOBAL);
		ckfree(tmpv);
	    }
	} else {
	    Tcl_SetObjResult(callbackInfo->interp, resultObj);
	}
    } else if (returnCode == NSFileHandlingPanelCancelButton) {
	Tcl_ResetResult(callbackInfo->interp);
    }
    if (panel == [NSApp modalWindow]) {
	[NSApp stopModalWithCode:returnCode];
    }
    if (callbackInfo->cmdObj) {
	Tcl_DecrRefCount(callbackInfo->cmdObj);
	ckfree(callbackInfo);
    }
}

- (void) tkAlertDidEnd: (NSAlert *) alert returnCode: (NSInteger) returnCode
	contextInfo: (void *) contextInfo
{
    AlertCallbackInfo *callbackInfo = contextInfo;

    if (returnCode >= NSAlertFirstButtonReturn) {
	Tcl_Obj *resultObj = Tcl_NewStringObj(alertButtonStrings[
		alertNativeButtonIndexAndTypeToButtonIndex[callbackInfo->
		typeIndex][returnCode - NSAlertFirstButtonReturn]], -1);

	if (callbackInfo->cmdObj) {
	    Tcl_Obj **objv, **tmpv;
	    int objc, result = Tcl_ListObjGetElements(callbackInfo->interp,
		    callbackInfo->cmdObj, &objc, &objv);

	    if (result == TCL_OK && objc) {
		tmpv = ckalloc(sizeof(Tcl_Obj *) * (objc + 2));
		memcpy(tmpv, objv, sizeof(Tcl_Obj *) * objc);
		tmpv[objc] = resultObj;
		TkBackgroundEvalObjv(callbackInfo->interp, objc + 1, tmpv,
			TCL_EVAL_GLOBAL);
		ckfree(tmpv);
	    }
	} else {
	    Tcl_SetObjResult(callbackInfo->interp, resultObj);
	}
    }
    if ([alert window] == [NSApp modalWindow]) {
	[NSApp stopModalWithCode:returnCode];
    }
    if (callbackInfo->cmdObj) {
	Tcl_DecrRefCount(callbackInfo->cmdObj);
	ckfree(callbackInfo);
    }
}
@end

#pragma mark -

/*
 *----------------------------------------------------------------------
 *
 * Tk_ChooseColorObjCmd --
 *
 *	This procedure implements the color dialog box for the Mac platform.
 *	See the user documentation for details on what it does.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See the user documentation.
 *
 *----------------------------------------------------------------------
 */

int
Tk_ChooseColorObjCmd(
    ClientData clientData,	/* Main window associated with interpreter. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int result = TCL_ERROR;
    Tk_Window parent, tkwin = clientData;
    const char *title = NULL;
    int i;
    NSColor *color = nil, *initialColor = nil;
    NSColorPanel *colorPanel;
    NSInteger returnCode, numberOfComponents = 0;

    for (i = 1; i < objc; i += 2) {
	int index;
	const char *value;

	if (Tcl_GetIndexFromObjStruct(interp, objv[i], colorOptionStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "COLORDIALOG", "VALUE", NULL);
	    goto end;
	}
	value = Tcl_GetString(objv[i + 1]);

	switch (index) {
	case COLOR_INITIAL: {
	    XColor *colorPtr;

	    colorPtr = Tk_GetColor(interp, tkwin, value);
	    if (colorPtr == NULL) {
		goto end;
	    }
	    initialColor = TkMacOSXGetNSColor(NULL, colorPtr->pixel);
	    Tk_FreeColor(colorPtr);
	    break;
	}
	case COLOR_PARENT:
	    parent = Tk_NameToWindow(interp, value, tkwin);
	    if (parent == NULL) {
		goto end;
	    }
	    break;
	case COLOR_TITLE:
	    title = value;
	    break;
	}
    }
    colorPanel = [NSColorPanel sharedColorPanel];
    [colorPanel orderOut:NSApp];
    [colorPanel setContinuous:NO];
    [colorPanel setBecomesKeyOnlyIfNeeded:NO];
    [colorPanel setShowsAlpha: NO];
    [colorPanel _setUseModalAppearance:YES];
    if (title) {
	NSString *s = [[NSString alloc] initWithUTF8String:title];
	[colorPanel setTitle:s];
	[s release];
    }
    if (initialColor) {
	[colorPanel setColor:initialColor];
    }
    returnCode = [NSApp runModalForWindow:colorPanel];
    if (returnCode == modalOK) {
	color = [[colorPanel color] colorUsingColorSpace:
		[NSColorSpace genericRGBColorSpace]];
	numberOfComponents = [color numberOfComponents];
    }
    if (color && numberOfComponents >= 3 && numberOfComponents <= 4) {
	CGFloat components[4];
	char colorstr[8];

	[color getComponents:components];
	snprintf(colorstr, 8, "#%02x%02x%02x",
		(short)(components[0] * 255),
		(short)(components[1] * 255),
		(short)(components[2] * 255));
	Tcl_SetObjResult(interp, Tcl_NewStringObj(colorstr, 7));
    } else {
	Tcl_ResetResult(interp);
    }
    result = TCL_OK;

end:
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_GetOpenFileObjCmd --
 *
 *	This procedure implements the "open file" dialog box for the Mac
 *	platform. See the user documentation for details on what it does.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See user documentation.
 *----------------------------------------------------------------------
 */

int
Tk_GetOpenFileObjCmd(
    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 = clientData;
    char *str;
    int i, result = TCL_ERROR, haveParentOption = 0;
    int index, len, multiple = 0;
    FileFilterList fl;
    Tcl_Obj *cmdObj = NULL, *typeVariablePtr = NULL;
    FilePanelCallbackInfo callbackInfoStruct;
    FilePanelCallbackInfo *callbackInfo = &callbackInfoStruct;
    NSString *directory = nil, *filename = nil;
    NSString *message, *title, *type;
    NSWindow *parent;
    NSMutableArray *fileTypes = nil;
    NSOpenPanel *panel = [NSOpenPanel openPanel];
    NSInteger modalReturnCode = modalError;

    TkInitFileFilters(&fl);
    for (i = 1; i < objc; i += 2) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], openOptionStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "FILEDIALOG", "VALUE", NULL);
	    goto end;
	}
	switch (index) {
	case OPEN_DEFAULT:
	    break;
	case OPEN_FILETYPES:
	    if (TkGetFileFilters(interp, &fl, objv[i + 1], 0) != TCL_OK) {
		goto end;
	    }
	    break;
	case OPEN_INITDIR:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    if (len) {
		directory = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case OPEN_INITFILE:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    if (len) {
		filename = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case OPEN_MESSAGE:
	    message = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setMessage:message];
	    [message release];
	    break;
	case OPEN_MULTIPLE:
	    if (Tcl_GetBooleanFromObj(interp, objv[i + 1],
		    &multiple) != TCL_OK) {
		goto end;
	    }
	    break;
	case OPEN_PARENT:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    tkwin = Tk_NameToWindow(interp, str, tkwin);
	    if (!tkwin) {
		goto end;
	    }
	    haveParentOption = 1;
	    break;
	case OPEN_TITLE:
	    title = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setTitle:title];
	    [title release];
	    break;
	case OPEN_TYPEVARIABLE:
	    typeVariablePtr = objv[i + 1];
	    break;
	case OPEN_COMMAND:
	    cmdObj = objv[i+1];
	    break;
	}
    }
    [panel setAllowsMultipleSelection:multiple];
    if (fl.filters) {
	fileTypes = [NSMutableArray array];
	for (FileFilter *filterPtr = fl.filters; filterPtr;
		filterPtr = filterPtr->next) {
	    for (FileFilterClause *clausePtr = filterPtr->clauses; clausePtr;
		    clausePtr = clausePtr->next) {
		for (GlobPattern *globPtr = clausePtr->patterns; globPtr;
			globPtr = globPtr->next) {
		    str = globPtr->pattern;
		    while (*str && (*str == '*' || *str == '.')) {
			str++;
		    }
		    if (*str) {
			type = [[NSString alloc] initWithUTF8String:str];
			if (![fileTypes containsObject:type]) {
			    [fileTypes addObject:type];
			}
			[type release];
		    }
		}
		for (MacFileType *mfPtr = clausePtr->macTypes; mfPtr;
			mfPtr = mfPtr->next) {
		    if (mfPtr->type) {
			type = NSFileTypeForHFSTypeCode(mfPtr->type);
			if (![fileTypes containsObject:type]) {
			    [fileTypes addObject:type];
			}
		    }
		}
	    }
	}
    }
    [panel setAllowedFileTypes:fileTypes];
    if (cmdObj) {
	callbackInfo = ckalloc(sizeof(FilePanelCallbackInfo));
	if (Tcl_IsShared(cmdObj)) {
	    cmdObj = Tcl_DuplicateObj(cmdObj);
	}
	Tcl_IncrRefCount(cmdObj);
    }
    callbackInfo->cmdObj = cmdObj;
    callbackInfo->interp = interp;
    callbackInfo->multiple = multiple;
    parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
    if (haveParentOption && parent && ![parent attachedSheet]) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	[panel beginSheetForDirectory:directory
	       file:filename
	       types:fileTypes
	       modalForWindow:parent
	       modalDelegate:NSApp
	       didEndSelector: 
		   @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
	       contextInfo:callbackInfo];
#else
	[panel setAllowedFileTypes:fileTypes];
	[panel setDirectoryURL:getFileURL(directory, filename)];
	[panel beginSheetModalForWindow:parent
	       completionHandler:^(NSInteger returnCode)
	       { [NSApp tkFilePanelDidEnd:panel
		       returnCode:returnCode
		       contextInfo:callbackInfo ]; } ];
#endif
	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
    } else {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	modalReturnCode = [panel runModalForDirectory:directory
				 file:filename];
#else
	[panel setDirectoryURL:getFileURL(directory, filename)];
	modalReturnCode = [panel runModal];
#endif
	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
		contextInfo:callbackInfo];
    }
    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;
    if (typeVariablePtr && result == TCL_OK) {
	/*
	 * The -typevariable option is not really supported.
	 */

	Tcl_SetVar2(interp, Tcl_GetString(typeVariablePtr), NULL,
		"", TCL_GLOBAL_ONLY);
    }

  end:
    TkFreeFileFilters(&fl);
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_GetSaveFileObjCmd --
 *
 *	This procedure implements the "save file" dialog box for the Mac
 *	platform. See the user documentation for details on what it does.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See user documentation.
 *----------------------------------------------------------------------
 */

int
Tk_GetSaveFileObjCmd(
    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 = clientData;
    char *str;
    int i, result = TCL_ERROR, haveParentOption = 0;
    int confirmOverwrite = 1;
    int index, len;
    FileFilterList fl;
    Tcl_Obj *cmdObj = NULL;
    FilePanelCallbackInfo callbackInfoStruct;
    FilePanelCallbackInfo *callbackInfo = &callbackInfoStruct;
    NSString *directory = nil, *filename = nil, *defaultType = nil;
    NSString *message, *title, *type;
    NSWindow *parent;
    NSMutableArray *fileTypes = nil;
    NSSavePanel *panel = [NSSavePanel savePanel];
    NSInteger modalReturnCode = modalError;

    TkInitFileFilters(&fl);
    for (i = 1; i < objc; i += 2) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], saveOptionStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "FILEDIALOG", "VALUE", NULL);
	    goto end;
	}
	switch (index) {
	case SAVE_DEFAULT:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    while (*str && (*str == '*' || *str == '.')) {
		str++;
	    }
	    if (*str) {
		defaultType = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case SAVE_FILETYPES:
	    if (TkGetFileFilters(interp, &fl, objv[i + 1], 0) != TCL_OK) {
		goto end;
	    }
	    break;
	case SAVE_INITDIR:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    if (len) {
		directory = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case SAVE_INITFILE:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    if (len) {
		filename = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case SAVE_MESSAGE:
	    message = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setMessage:message];
	    [message release];
	    break;
	case SAVE_PARENT:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    tkwin = Tk_NameToWindow(interp, str, tkwin);
	    if (!tkwin) {
		goto end;
	    }
	    haveParentOption = 1;
	    break;
	case SAVE_TITLE:
	    title = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setTitle:title];
	    [title release];
	    break;
	case SAVE_TYPEVARIABLE:
	    break;
	case SAVE_COMMAND:
	    cmdObj = objv[i+1];
	    break;
	case SAVE_CONFIRMOW:
	    if (Tcl_GetBooleanFromObj(interp, objv[i + 1],
		    &confirmOverwrite) != TCL_OK) {
		goto end;
	    }
	    break;
	}
    }
    if (fl.filters || defaultType) {
	fileTypes = [NSMutableArray array];
	[fileTypes addObject:defaultType ? defaultType : (id)kUTTypeContent];
	for (FileFilter *filterPtr = fl.filters; filterPtr;
		filterPtr = filterPtr->next) {
	    for (FileFilterClause *clausePtr = filterPtr->clauses; clausePtr;
		    clausePtr = clausePtr->next) {
		for (GlobPattern *globPtr = clausePtr->patterns; globPtr;
			globPtr = globPtr->next) {
		    str = globPtr->pattern;
		    while (*str && (*str == '*' || *str == '.')) {
			str++;
		    }
		    if (*str) {
			type = [[NSString alloc] initWithUTF8String:str];
			if (![fileTypes containsObject:type]) {
			    [fileTypes addObject:type];
			}
			[type release];
		    }
		}
	    }
	}
	[panel setAllowedFileTypes:fileTypes];
	[panel setAllowsOtherFileTypes:YES];
    }
    [panel setCanSelectHiddenExtension:YES];
    [panel setExtensionHidden:NO];
    if (cmdObj) {
	callbackInfo = ckalloc(sizeof(FilePanelCallbackInfo));
	if (Tcl_IsShared(cmdObj)) {
	    cmdObj = Tcl_DuplicateObj(cmdObj);
	}
	Tcl_IncrRefCount(cmdObj);
    }
    callbackInfo->cmdObj = cmdObj;
    callbackInfo->interp = interp;
    callbackInfo->multiple = 0;
    parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
    if (haveParentOption && parent && ![parent attachedSheet]) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	[panel beginSheetForDirectory:directory
	       file:filename
	       modalForWindow:parent
	       modalDelegate:NSApp
	       didEndSelector: 
		   @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
	       contextInfo:callbackInfo];
#else
	[panel setDirectoryURL:getFileURL(directory, filename)];
	[panel beginSheetModalForWindow:parent
	       completionHandler:^(NSInteger returnCode)
	       { [NSApp tkFilePanelDidEnd:panel
		       returnCode:returnCode
		       contextInfo:callbackInfo ]; } ];
#endif
	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
    } else {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	modalReturnCode = [panel runModalForDirectory:directory file:filename];
#else
	[panel setDirectoryURL:getFileURL(directory, filename)];
	modalReturnCode = [panel runModal];
#endif
	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
		contextInfo:callbackInfo];
    }
    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;

  end:
    TkFreeFileFilters(&fl);
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_ChooseDirectoryObjCmd --
 *
 *	This procedure implements the "tk_chooseDirectory" dialog box for the
 *	MacOS X platform. See the user documentation for details on what it
 *	does.
 *
 * Results:
 *	See user documentation.
 *
 * Side effects:
 *	A modal dialog window is created.
 *
 *----------------------------------------------------------------------
 */

int
Tk_ChooseDirectoryObjCmd(
    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 = clientData;
    char *str;
    int i, result = TCL_ERROR, haveParentOption = 0;
    int index, len, mustexist = 0;
    Tcl_Obj *cmdObj = NULL;
    FilePanelCallbackInfo callbackInfoStruct;
    FilePanelCallbackInfo *callbackInfo = &callbackInfoStruct;
    NSString *directory = nil, *filename = nil;
    NSString *message, *title;
    NSWindow *parent;
    NSOpenPanel *panel = [NSOpenPanel openPanel];
    NSInteger modalReturnCode = modalError;

    for (i = 1; i < objc; i += 2) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], chooseOptionStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "DIRDIALOG", "VALUE", NULL);
	    goto end;
	}
	switch (index) {
	case CHOOSE_INITDIR:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    if (len) {
		directory = [[[NSString alloc] initWithUTF8String:str]
			autorelease];
	    }
	    break;
	case CHOOSE_MESSAGE:
	    message = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setMessage:message];
	    [message release];
	    break;
	case CHOOSE_MUSTEXIST:
	    if (Tcl_GetBooleanFromObj(interp, objv[i + 1],
		    &mustexist) != TCL_OK) {
		goto end;
	    }
	    break;
	case CHOOSE_PARENT:
	    str = Tcl_GetStringFromObj(objv[i + 1], &len);
	    tkwin = Tk_NameToWindow(interp, str, tkwin);
	    if (!tkwin) {
		goto end;
	    }
	    haveParentOption = 1;
	    break;
	case CHOOSE_TITLE:
	    title = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [panel setTitle:title];
	    [title release];
	    break;
	case CHOOSE_COMMAND:
	    cmdObj = objv[i+1];
	    break;
	}
    }
    [panel setPrompt:@"Choose"];
    [panel setCanChooseFiles:NO];
    [panel setCanChooseDirectories:YES];
    [panel setCanCreateDirectories:!mustexist];
    if (cmdObj) {
	callbackInfo = ckalloc(sizeof(FilePanelCallbackInfo));
	if (Tcl_IsShared(cmdObj)) {
	    cmdObj = Tcl_DuplicateObj(cmdObj);
	}
	Tcl_IncrRefCount(cmdObj);
    }
    callbackInfo->cmdObj = cmdObj;
    callbackInfo->interp = interp;
    callbackInfo->multiple = 0;
    parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
    if (haveParentOption && parent && ![parent attachedSheet]) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	[panel beginSheetForDirectory:directory
		file:filename
		modalForWindow:parent
		modalDelegate:NSApp
		didEndSelector: @selector(tkFilePanelDidEnd:returnCode:contextInfo:)
		contextInfo:callbackInfo];
#else
	[panel setDirectoryURL:getFileURL(directory, filename)];
	[panel beginSheetModalForWindow:parent
	       completionHandler:^(NSInteger returnCode)
	       { [NSApp tkFilePanelDidEnd:panel
		       returnCode:returnCode
		       contextInfo:callbackInfo ]; } ];
#endif
	modalReturnCode = cmdObj ? modalOther : [NSApp runModalForWindow:panel];
    } else {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
	modalReturnCode = [panel runModalForDirectory:directory file:nil];
#else
	[panel setDirectoryURL:getFileURL(directory, filename)];
	modalReturnCode = [panel runModal];
#endif
	[NSApp tkFilePanelDidEnd:panel returnCode:modalReturnCode
		contextInfo:callbackInfo];
    }
    result = (modalReturnCode != modalError) ? TCL_OK : TCL_ERROR;

  end:
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * TkAboutDlg --
 *
 *	Displays the default Tk About box.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

void
TkAboutDlg(void)
{
    NSImage *image;
    NSString *path = [NSApp tkFrameworkImagePath: @"Tk.tiff"];

    if (path) {
	image = [[[NSImage alloc] initWithContentsOfFile:path] autorelease];
    } else {
	image = [NSApp applicationIconImage];
    }

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
    [dateFormatter setDateFormat:@"Y"];

    NSString *year = [dateFormatter stringFromDate:[NSDate date]];

    [dateFormatter release];

    NSMutableParagraphStyle *style =
	    [[[NSParagraphStyle defaultParagraphStyle] mutableCopy]
	    autorelease];

    [style setAlignment:NSCenterTextAlignment];

    NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
	    @"Tcl & Tk", @"ApplicationName",
	    @"Tcl " TCL_VERSION " & Tk " TK_VERSION, @"ApplicationVersion",
	    @TK_PATCH_LEVEL, @"Version",
	    image, @"ApplicationIcon",
	    [NSString stringWithFormat:@"Copyright %1$C 1987-%2$@.", 0xA9,
	    year], @"Copyright",
	    [[[NSAttributedString alloc] initWithString:
	    [NSString stringWithFormat:
	    @"%1$C 1987-%2$@ Tcl Core Team." "\n\n"
		"%1$C 1989-%2$@ Contributors." "\n\n"
		"%1$C 2011-%2$@ Kevin Walzer/WordTech Communications LLC." "\n\n"
		"%1$C 2014-%2$@ Marc Culler." "\n\n"
		"%1$C 2002-%2$@ Daniel A. Steffen." "\n\n"
		"%1$C 2001-2009 Apple Inc." "\n\n"
		"%1$C 2001-2002 Jim Ingham & Ian Reid" "\n\n"
		"%1$C 1998-2000 Jim Ingham & Ray Johnson" "\n\n"
		"%1$C 1998-2000 Scriptics Inc." "\n\n"
		"%1$C 1996-1997 Sun Microsystems Inc.", 0xA9, year] attributes:
	    [NSDictionary dictionaryWithObject:style
	    forKey:NSParagraphStyleAttributeName]] autorelease], @"Credits",
	    nil];
    [NSApp orderFrontStandardAboutPanelWithOptions:options];
}

/*
 *----------------------------------------------------------------------
 *
 * TkMacOSXStandardAboutPanelObjCmd --
 *
 *	Implements the ::tk::mac::standardAboutPanel command.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	none
 *
 *----------------------------------------------------------------------
 */

int
TkMacOSXStandardAboutPanelObjCmd(
    ClientData clientData,	/* Unused. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    if (objc > 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    [NSApp orderFrontStandardAboutPanelWithOptions:[NSDictionary dictionary]];
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_MessageBoxObjCmd --
 *
 *	Implements the tk_messageBox in native Mac OS X style.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	none
 *
 *----------------------------------------------------------------------
 */

int
Tk_MessageBoxObjCmd(
    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 = clientData;
    char *str;
    int i, result = TCL_ERROR, haveParentOption = 0;
    int index, typeIndex, iconIndex, indexDefaultOption = 0;
    int defaultNativeButtonIndex = 1; /* 1, 2, 3: right to left */
    Tcl_Obj *cmdObj = NULL;
    AlertCallbackInfo callbackInfoStruct, *callbackInfo = &callbackInfoStruct;
    NSString *message, *title;
    NSWindow *parent;
    NSArray *buttons;
    NSAlert *alert = [NSAlert new];
    NSInteger modalReturnCode = 1;

    iconIndex = ICON_INFO;
    typeIndex = TYPE_OK;
    for (i = 1; i < objc; i += 2) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], alertOptionStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "MSGBOX", "VALUE", NULL);
	    goto end;
	}
	switch (index) {
	case ALERT_DEFAULT:
	    /*
	     * Need to postpone processing of this option until we are sure to
	     * know the '-type' as well.
	     */

	    indexDefaultOption = i;
	    break;

	case ALERT_DETAIL:
	    message = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [alert setInformativeText:message];
	    [message release];
	    break;

	case ALERT_ICON:
	    if (Tcl_GetIndexFromObjStruct(interp, objv[i + 1], alertIconStrings,
		    sizeof(char *), "value", TCL_EXACT, &iconIndex) != TCL_OK) {
		goto end;
	    }
	    break;

	case ALERT_MESSAGE:
	    message = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [alert setMessageText:message];
	    [message release];
	    break;

	case ALERT_PARENT:
	    str = Tcl_GetString(objv[i + 1]);
	    tkwin = Tk_NameToWindow(interp, str, tkwin);
	    if (!tkwin) {
		goto end;
	    }
	    haveParentOption = 1;
	    break;

	case ALERT_TITLE:
	    title = [[NSString alloc] initWithUTF8String:
		    Tcl_GetString(objv[i + 1])];
	    [[alert window] setTitle:title];
	    [title release];
	    break;

	case ALERT_TYPE:
	    if (Tcl_GetIndexFromObjStruct(interp, objv[i + 1], alertTypeStrings,
		    sizeof(char *), "value", TCL_EXACT, &typeIndex) != TCL_OK) {
		goto end;
	    }
	    break;
	case ALERT_COMMAND:
	    cmdObj = objv[i+1];
	    break;
	}
    }
    if (indexDefaultOption) {
	/*
	 * Any '-default' option needs to know the '-type' option, which is
	 * why we do this here.
	 */

	if (Tcl_GetIndexFromObjStruct(interp, objv[indexDefaultOption + 1],
		alertButtonStrings, sizeof(char *), "value", TCL_EXACT, &index) != TCL_OK) {
	    goto end;
	}

	/*
	 * Need to map from "ok" etc. to 1, 2, 3, right to left.
	 */

	defaultNativeButtonIndex =
		alertButtonIndexAndTypeToNativeButtonIndex[typeIndex][index];
	if (!defaultNativeButtonIndex) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("Illegal default option", -1));
	    Tcl_SetErrorCode(interp, "TK", "MSGBOX", "DEFAULT", NULL);
	    goto end;
	}
    }
    [alert setIcon:[NSApp applicationIconImage]];
    [alert setAlertStyle:alertStyles[iconIndex]];
    i = 0;
    while (i < 3 && alertButtonNames[typeIndex][i]) {
	[alert addButtonWithTitle:(NSString*)alertButtonNames[typeIndex][i++]];
    }
    buttons = [alert buttons];
    for (NSButton *b in buttons) {
	NSString *ke = [b keyEquivalent];

	if (([ke isEqualToString:@"\r"] || [ke isEqualToString:@"\033"]) &&
		![b keyEquivalentModifierMask]) {
	    [b setKeyEquivalent:@""];
	}
    }
    [[buttons objectAtIndex: [buttons count]-1] setKeyEquivalent: @"\033"];
    [[buttons objectAtIndex: defaultNativeButtonIndex-1]
	    setKeyEquivalent: @"\r"];
    if (cmdObj) {
	callbackInfo = ckalloc(sizeof(AlertCallbackInfo));
	if (Tcl_IsShared(cmdObj)) {
	    cmdObj = Tcl_DuplicateObj(cmdObj);
	}
	Tcl_IncrRefCount(cmdObj);
    }
    callbackInfo->cmdObj = cmdObj;
    callbackInfo->interp = interp;
    callbackInfo->typeIndex = typeIndex;
    parent = TkMacOSXDrawableWindow(((TkWindow *) tkwin)->window);
    if (haveParentOption && parent && ![parent attachedSheet]) {
#if MAC_OS_X_VERSION_MIN_REQUIRED > 1090
 	[alert beginSheetModalForWindow:parent
	       completionHandler:^(NSModalResponse returnCode)
	       { [NSApp tkAlertDidEnd:alert
			returnCode:returnCode
			contextInfo:callbackInfo ]; } ];
#else
	[alert beginSheetModalForWindow:parent
	       modalDelegate:NSApp
	       didEndSelector:@selector(tkAlertDidEnd:returnCode:contextInfo:)
	       contextInfo:callbackInfo];
#endif
	modalReturnCode = cmdObj ? 0 : 
	    [NSApp runModalForWindow:[alert window]];
    } else {
	modalReturnCode = [alert runModal];
	[NSApp tkAlertDidEnd:alert returnCode:modalReturnCode
		contextInfo:callbackInfo];
    }
    result = (modalReturnCode >= NSAlertFirstButtonReturn) ? TCL_OK : TCL_ERROR;
  end:
    [alert release];
    return result;
}

/*
 *----------------------------------------------------------------------
 */
#pragma mark [tk fontchooser] implementation (TIP 324)
/*
 *----------------------------------------------------------------------
 */

#include "tkMacOSXEvent.h"
#include "tkMacOSXFont.h"

typedef struct FontchooserData {
    Tcl_Obj *titleObj;
    Tcl_Obj *cmdObj;
    Tk_Window parent;
} FontchooserData;

enum FontchooserEvent { FontchooserClosed, FontchooserSelection };

static void		FontchooserEvent(int kind);
static Tcl_Obj *	FontchooserCget(FontchooserData *fcdPtr,
			    int optionIndex);
static int		FontchooserConfigureCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		FontchooserShowCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		FontchooserHideCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static void		FontchooserParentEventHandler(ClientData clientData,
			    XEvent *eventPtr);
static void		DeleteFontchooserData(ClientData clientData,
			    Tcl_Interp *interp);

MODULE_SCOPE const TkEnsemble tkFontchooserEnsemble[];
const TkEnsemble tkFontchooserEnsemble[] = {
    { "configure", FontchooserConfigureCmd, NULL },
    { "show", FontchooserShowCmd, NULL },
    { "hide", FontchooserHideCmd, NULL },
    { NULL, NULL, NULL }
};

static Tcl_Interp *fontchooserInterp = NULL;
static NSFont *fontPanelFont = nil;
static NSMutableDictionary *fontPanelFontAttributes = nil;

static const char *const fontchooserOptionStrings[] = {
    "-parent", "-title", "-font", "-command",
    "-visible", NULL
};
enum FontchooserOption {
    FontchooserParent, FontchooserTitle, FontchooserFont, FontchooserCmd,
    FontchooserVisible
};

@implementation TKApplication(TKFontPanel)

- (void) changeFont: (id) sender
{
    NSFontManager *fm = [NSFontManager sharedFontManager];

    if ([fm currentFontAction] == NSViaPanelFontAction) {
	NSFont *font = [fm convertFont:fontPanelFont];

	if (![fontPanelFont isEqual:font]) {
	    [fontPanelFont release];
	    fontPanelFont = [font retain];
	    FontchooserEvent(FontchooserSelection);
	}
    }
}

- (void) changeAttributes: (id) sender
{
    NSDictionary *attributes = [sender convertAttributes:
	    fontPanelFontAttributes];

    if (![fontPanelFontAttributes isEqual:attributes]) {
	[fontPanelFontAttributes setDictionary:attributes];
	FontchooserEvent(FontchooserSelection);
    }
}

- (NSUInteger) validModesForFontPanel: (NSFontPanel *) fontPanel
{
    return (NSFontPanelStandardModesMask & ~NSFontPanelAllEffectsModeMask) |
	    NSFontPanelUnderlineEffectModeMask |
	    NSFontPanelStrikethroughEffectModeMask;
}

- (void) windowDidOrderOffScreen: (NSNotification *) notification
{
#ifdef TK_MAC_DEBUG_NOTIFICATIONS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
#endif
    if ([[notification object] isEqual:[[NSFontManager sharedFontManager]
	    fontPanel:NO]]) {
	FontchooserEvent(FontchooserClosed);
    }
}
@end

/*
 *----------------------------------------------------------------------
 *
 * FontchooserEvent --
 *
 *	This processes events generated by user interaction with the
 *	font panel.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Additional events may be place on the Tk event queue.
 *
 *----------------------------------------------------------------------
 */

static void
FontchooserEvent(
    int kind)
{
    FontchooserData *fcdPtr;
    Tcl_Obj *fontObj;

    if (!fontchooserInterp) {
	return;
    }
    fcdPtr = Tcl_GetAssocData(fontchooserInterp, "::tk::fontchooser", NULL);
    switch (kind) {
    case FontchooserClosed:
	if (fcdPtr->parent != None) {
	    TkSendVirtualEvent(fcdPtr->parent, "TkFontchooserVisibility");
	    fontchooserInterp = NULL;
	}
	break;
    case FontchooserSelection:
	fontObj = TkMacOSXFontDescriptionForNSFontAndNSFontAttributes(
		fontPanelFont, fontPanelFontAttributes);
	if (fontObj) {
	    if (fcdPtr->cmdObj) {
		int objc, result;
		Tcl_Obj **objv, **tmpv;

		result = Tcl_ListObjGetElements(fontchooserInterp,
			fcdPtr->cmdObj, &objc, &objv);
		if (result == TCL_OK) {
		    tmpv = ckalloc(sizeof(Tcl_Obj *) * (objc + 2));
		    memcpy(tmpv, objv, sizeof(Tcl_Obj *) * objc);
		    tmpv[objc] = fontObj;
		    TkBackgroundEvalObjv(fontchooserInterp, objc + 1, tmpv,
			    TCL_EVAL_GLOBAL);
		    ckfree(tmpv);
		}
	    }
	    TkSendVirtualEvent(fcdPtr->parent, "TkFontchooserFontChanged");
	}
	break;
    }
}

/*
 *----------------------------------------------------------------------
 *
 * FontchooserCget --
 *
 *	Helper for the FontchooserConfigure command to return the
 *	current value of any of the options (which may be NULL in
 *	the structure)
 *
 * Results:
 *	Tcl object of option value.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

static Tcl_Obj *
FontchooserCget(
    FontchooserData *fcdPtr,
    int optionIndex)
{
    Tcl_Obj *resObj = NULL;

    switch(optionIndex) {
    case FontchooserParent:
	if (fcdPtr->parent != None) {
	    resObj = Tcl_NewStringObj(
		    ((TkWindow *) fcdPtr->parent)->pathName, -1);
	} else {
	    resObj = Tcl_NewStringObj(".", 1);
	}
	break;
    case FontchooserTitle:
	if (fcdPtr->titleObj) {
	    resObj = fcdPtr->titleObj;
	} else {
	    resObj = Tcl_NewObj();
	}
	break;
    case FontchooserFont:
	resObj = TkMacOSXFontDescriptionForNSFontAndNSFontAttributes(
		fontPanelFont, fontPanelFontAttributes);
	if (!resObj) {
	    resObj = Tcl_NewObj();
	}
	break;
    case FontchooserCmd:
	if (fcdPtr->cmdObj) {
	    resObj = fcdPtr->cmdObj;
	} else {
	    resObj = Tcl_NewObj();
	}
	break;
    case FontchooserVisible:
	resObj = Tcl_NewBooleanObj([[[NSFontManager sharedFontManager]
		fontPanel:NO] isVisible]);
	break;
    default:
	resObj = Tcl_NewObj();
    }
    return resObj;
}

/*
 * ----------------------------------------------------------------------
 *
 * FontchooserConfigureCmd --
 *
 *	Implementation of the 'tk fontchooser configure' ensemble command.
 *	See the user documentation for what it does.
 *
 * Results:
 *	See the user documentation.
 *
 * Side effects:
 *	Per-interp data structure may be modified
 *
 * ----------------------------------------------------------------------
 */

static int
FontchooserConfigureCmd(
    ClientData clientData,	/* Main window */
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tk_Window tkwin = (Tk_Window)clientData;
    FontchooserData *fcdPtr = Tcl_GetAssocData(interp, "::tk::fontchooser",
	    NULL);
    int i, r = TCL_OK;

    /*
     * With no arguments we return all the options in a dict
     */

    if (objc == 1) {
	Tcl_Obj *keyObj, *valueObj;
	Tcl_Obj *dictObj = Tcl_NewDictObj();

	for (i = 0; r == TCL_OK && fontchooserOptionStrings[i] != NULL; ++i) {
	    keyObj = Tcl_NewStringObj(fontchooserOptionStrings[i], -1);
	    valueObj = FontchooserCget(fcdPtr, i);
	    r = Tcl_DictObjPut(interp, dictObj, keyObj, valueObj);
	}
	if (r == TCL_OK) {
	    Tcl_SetObjResult(interp, dictObj);
	}
	return r;
    }

    for (i = 1; i < objc; i += 2) {
	int optionIndex, len;

	if (Tcl_GetIndexFromObjStruct(interp, objv[i], fontchooserOptionStrings,
		sizeof(char *), "option", 0, &optionIndex) != TCL_OK) {
	    return TCL_ERROR;
	}
	if (objc == 2) {
	    /*
	     * With one option and no arg, return the current value.
	     */

	    Tcl_SetObjResult(interp, FontchooserCget(fcdPtr, optionIndex));
	    return TCL_OK;
	}
	if (i + 1 == objc) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "value for \"%s\" missing", Tcl_GetString(objv[i])));
	    Tcl_SetErrorCode(interp, "TK", "FONTDIALOG", "VALUE", NULL);
	    return TCL_ERROR;
	}
	switch (optionIndex) {
	case FontchooserVisible: {
	    const char *msg = "cannot change read-only option "
		    "\"-visible\": use the show or hide command";

	    Tcl_SetObjResult(interp, Tcl_NewStringObj(msg, -1));
	    Tcl_SetErrorCode(interp, "TK", "FONTDIALOG", "READONLY", NULL);
	    return TCL_ERROR;
	}
	case FontchooserParent: {
	    Tk_Window parent = Tk_NameToWindow(interp,
		    Tcl_GetString(objv[i+1]), tkwin);

	    if (parent == None) {
		return TCL_ERROR;
	    }
	    if (fcdPtr->parent) {
		Tk_DeleteEventHandler(fcdPtr->parent, StructureNotifyMask,
			FontchooserParentEventHandler, fcdPtr);
	    }
	    fcdPtr->parent = parent;
	    Tk_CreateEventHandler(fcdPtr->parent, StructureNotifyMask,
		    FontchooserParentEventHandler, fcdPtr);
	    break;
	}
	case FontchooserTitle:
	    if (fcdPtr->titleObj) {
		Tcl_DecrRefCount(fcdPtr->titleObj);
	    }
	    Tcl_GetStringFromObj(objv[i+1], &len);
	    if (len) {
		fcdPtr->titleObj = objv[i+1];
		if (Tcl_IsShared(fcdPtr->titleObj)) {
		    fcdPtr->titleObj = Tcl_DuplicateObj(fcdPtr->titleObj);
		}
		Tcl_IncrRefCount(fcdPtr->titleObj);
	    } else {
		fcdPtr->titleObj = NULL;
	    }
	    break;
	case FontchooserFont:
	    Tcl_GetStringFromObj(objv[i+1], &len);
	    if (len) {
		Tk_Font f = Tk_AllocFontFromObj(interp, tkwin, objv[i+1]);

		if (!f) {
		    return TCL_ERROR;
		}
		[fontPanelFont autorelease];
		fontPanelFont = [TkMacOSXNSFontForFont(f) retain];
		[fontPanelFontAttributes setDictionary:
			TkMacOSXNSFontAttributesForFont(f)];
		[fontPanelFontAttributes removeObjectsForKeys:[NSArray
			arrayWithObjects:NSFontAttributeName,
			NSLigatureAttributeName, NSKernAttributeName, nil]];
		Tk_FreeFont(f);
	    } else {
		[fontPanelFont release];
		fontPanelFont = nil;
		[fontPanelFontAttributes removeAllObjects];
	    }

	    NSFontManager *fm = [NSFontManager sharedFontManager];
	    NSFontPanel *fp = [fm fontPanel:NO];

	    [fp setPanelFont:fontPanelFont isMultiple:NO];
	    [fm setSelectedFont:fontPanelFont isMultiple:NO];
	    [fm setSelectedAttributes:fontPanelFontAttributes
		    isMultiple:NO];
	    if ([fp isVisible]) {
		TkSendVirtualEvent(fcdPtr->parent, "TkFontchooserFontChanged");
	    }
	    break;
	case FontchooserCmd:
	    if (fcdPtr->cmdObj) {
		Tcl_DecrRefCount(fcdPtr->cmdObj);
	    }
	    Tcl_GetStringFromObj(objv[i+1], &len);
	    if (len) {
		fcdPtr->cmdObj = objv[i+1];
		if (Tcl_IsShared(fcdPtr->cmdObj)) {
		    fcdPtr->cmdObj = Tcl_DuplicateObj(fcdPtr->cmdObj);
		}
		Tcl_IncrRefCount(fcdPtr->cmdObj);
	    } else {
		fcdPtr->cmdObj = NULL;
	    }
	    break;
	}
    }
    return TCL_OK;
}

/*
 * ----------------------------------------------------------------------
 *
 * FontchooserShowCmd --
 *
 *	Implements the 'tk fontchooser show' ensemble command. The
 *	per-interp configuration data for the dialog is held in an interp
 *	associated structure.
 *
 * Results:
 *	See the user documentation.
 *
 * Side effects:
 *	Font Panel may be shown.
 *
 * ----------------------------------------------------------------------
 */

static int
FontchooserShowCmd(
    ClientData clientData,	/* Main window */
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    FontchooserData *fcdPtr = Tcl_GetAssocData(interp, "::tk::fontchooser",
	    NULL);

    if (fcdPtr->parent == None) {
	fcdPtr->parent = (Tk_Window) clientData;
	Tk_CreateEventHandler(fcdPtr->parent, StructureNotifyMask,
		FontchooserParentEventHandler, fcdPtr);
    }
    NSFontManager *fm = [NSFontManager sharedFontManager];
    NSFontPanel *fp = [fm fontPanel:YES];
    if ([fp delegate] != NSApp) {
	[fp setDelegate:NSApp];
    }
    if (![fp isVisible]) {
	[fm orderFrontFontPanel:NSApp];
	TkSendVirtualEvent(fcdPtr->parent, "TkFontchooserVisibility");
    }
    fontchooserInterp = interp;

    return TCL_OK;
}

/*
 * ----------------------------------------------------------------------
 *
 * FontchooserHideCmd --
 *
 *	Implementation of the 'tk fontchooser hide' ensemble. See the
 *	user documentation for details.
 *
 * Results:
 *	See the user documentation.
 *
 * Side effects:
 *	Font Panel may be hidden.
 *
 * ----------------------------------------------------------------------
 */

static int
FontchooserHideCmd(
    ClientData clientData,	/* Main window */
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    NSFontPanel *fp = [[NSFontManager sharedFontManager] fontPanel:NO];
    if ([fp isVisible]) {
	[fp orderOut:NSApp];
    }
    return TCL_OK;
}

/*
 * ----------------------------------------------------------------------
 *
 * FontchooserParentEventHandler --
 *
 *	Event handler for StructureNotify events on the font chooser's parent
 *	window.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Font chooser parent info is cleared and font panel is hidden.
 *
 * ----------------------------------------------------------------------
 */

static void
FontchooserParentEventHandler(
    ClientData clientData,
    XEvent *eventPtr)
{
    FontchooserData *fcdPtr = clientData;

    if (eventPtr->type == DestroyNotify) {
	Tk_DeleteEventHandler(fcdPtr->parent, StructureNotifyMask,
		FontchooserParentEventHandler, fcdPtr);
	fcdPtr->parent = None;
	FontchooserHideCmd(NULL, NULL, 0, NULL);
    }
}

/*
 * ----------------------------------------------------------------------
 *
 * DeleteFontchooserData --
 *
 *	Clean up the font chooser configuration data when the interp is
 *	destroyed.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	per-interp configuration data is destroyed.
 *
 * ----------------------------------------------------------------------
 */

static void
DeleteFontchooserData(
    ClientData clientData,
    Tcl_Interp *interp)
{
    FontchooserData *fcdPtr = clientData;

    if (fcdPtr->titleObj) {
	Tcl_DecrRefCount(fcdPtr->titleObj);
    }
    if (fcdPtr->cmdObj) {
	Tcl_DecrRefCount(fcdPtr->cmdObj);
    }
    ckfree(fcdPtr);

    if (fontchooserInterp == interp) {
	fontchooserInterp = NULL;
    }
}

/*
 * ----------------------------------------------------------------------
 *
 * TkInitFontchooser --
 *
 *	Associate the font chooser configuration data with the Tcl
 *	interpreter. There is one font chooser per interp.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	per-interp configuration data is destroyed.
 *
 * ----------------------------------------------------------------------
 */

MODULE_SCOPE int
TkInitFontchooser(
    Tcl_Interp *interp,
    ClientData clientData)
{
    FontchooserData *fcdPtr = ckalloc(sizeof(FontchooserData));

    bzero(fcdPtr, sizeof(FontchooserData));
    Tcl_SetAssocData(interp, "::tk::fontchooser", DeleteFontchooserData,
	    fcdPtr);
    if (!fontPanelFontAttributes) {
	NSAutoreleasePool *pool = [NSAutoreleasePool new];
	fontPanelFontAttributes = [NSMutableDictionary new];
	[pool drain];
    }
    return TCL_OK;
}

/*
 * Local Variables:
 * mode: objc
 * c-basic-offset: 4
 * fill-column: 79
 * coding: utf-8
 * End:
 */