* doc/ttk_Geometry.3, doc/ttk_Theme.3, doc/ttk_button.n:

	* doc/ttk_checkbutton.n, doc/ttk_combobox.n, doc/ttk_dialog.n:
	* doc/ttk_entry.n, doc/ttk_frame.n, doc/ttk_image.n:
	* doc/ttk_intro.n, doc/ttk_label.n, doc/ttk_labelframe.n:
	* doc/ttk_menubutton.n, doc/ttk_notebook.n, doc/ttk_panedwindow.n:
	* doc/ttk_progressbar.n, doc/ttk_radiobutton.n, doc/ttk_scrollbar.n:
	* doc/ttk_separator.n, doc/ttk_sizegrip.n, doc/ttk_style.n:
	* doc/ttk_treeview.n, doc/ttk_widget.n,:
	* generic/ttk/ttk.decls, generic/ttk/ttkBlink.c:
	* generic/ttk/ttkButton.c, generic/ttk/ttkCache.c:
	* generic/ttk/ttkClamTheme.c, generic/ttk/ttkClassicTheme.c:
	* generic/ttk/ttkDecls.h, generic/ttk/ttkDefaultTheme.c:
	* generic/ttk/ttkElements.c, generic/ttk/ttkEntry.c:
	* generic/ttk/ttkFrame.c, generic/ttk/ttkImage.c:
	* generic/ttk/ttkInit.c, generic/ttk/ttkLabel.c:
	* generic/ttk/ttkLayout.c, generic/ttk/ttkManager.c:
	* generic/ttk/ttkManager.h, generic/ttk/ttkNotebook.c:
	* generic/ttk/ttkPanedwindow.c, generic/ttk/ttkProgress.c:
	* generic/ttk/ttkScale.c, generic/ttk/ttkScroll.c:
	* generic/ttk/ttkScrollbar.c, generic/ttk/ttkSeparator.c:
	* generic/ttk/ttkSquare.c, generic/ttk/ttkState.c:
	* generic/ttk/ttkStubInit.c, generic/ttk/ttkStubLib.c:
	* generic/ttk/ttkTagSet.c, generic/ttk/ttkTheme.c:
	* generic/ttk/ttkTheme.h, generic/ttk/ttkThemeInt.h:
	* generic/ttk/ttkTrace.c, generic/ttk/ttkTrack.c:
	* generic/ttk/ttkTreeview.c, generic/ttk/ttkWidget.c:
	* generic/ttk/ttkWidget.h:
	* library/demos/ttk_demo.tcl, library/demos/ttk_iconlib.tcl:
	* library/demos/ttk_repeater.tcl:
	* library/ttk/altTheme.tcl, library/ttk/aquaTheme.tcl:
	* library/ttk/button.tcl, library/ttk/clamTheme.tcl:
	* library/ttk/classicTheme.tcl, library/ttk/combobox.tcl:
	* library/ttk/cursors.tcl, library/ttk/defaults.tcl:
	* library/ttk/dialog.tcl, library/ttk/entry.tcl:
	* library/ttk/fonts.tcl, library/ttk/icons.tcl:
	* library/ttk/keynav.tcl, library/ttk/menubutton.tcl:
	* library/ttk/notebook.tcl, library/ttk/panedwindow.tcl:
	* library/ttk/progress.tcl, library/ttk/scale.tcl:
	* library/ttk/scrollbar.tcl, library/ttk/sizegrip.tcl:
	* library/ttk/treeview.tcl, library/ttk/ttk.tcl:
	* library/ttk/utils.tcl, library/ttk/winTheme.tcl:
	* library/ttk/xpTheme.tcl:
	* macosx/ttkMacOSXTheme.c:
	* tests/ttk/all.tcl, tests/ttk/bwidget.test, tests/ttk/combobox.test:
	* tests/ttk/entry.test, tests/ttk/image.test:
	* tests/ttk/labelframe.test, tests/ttk/layout.test:
	* tests/ttk/misc.test, tests/ttk/notebook.test:
	* tests/ttk/panedwindow.test, tests/ttk/progressbar.test:
	* tests/ttk/scrollbar.test, tests/ttk/treetags.test:
	* tests/ttk/treeview.test, tests/ttk/ttk.test, tests/ttk/validate.test:
	* win/ttkWinMonitor.c, win/ttkWinTheme.c, win/ttkWinXPTheme.c:
	First import of Ttk themed Tk widgets as branched from tile 0.7.8

	* generic/tkInt.h, generic/tkWindow.c: add Ttk_Init call, copy
	tk classic widgets to ::tk namespace.
	* library/tk.tcl: add source of ttk/ttk.tcl, define $::ttk::library.
	* unix/Makefile.in, win/Makefile.in: add Ttk build bits
	* win/configure, win/configure.in: check for uxtheme.h (XP theme).

1 files changed, 1909 insertions, 0 deletions

diff --git a/generic/ttk/ttkEntry.c b/generic/ttk/ttkEntry.c
new file mode 100644
index 0000000..d6e3616
--- /dev/null
+++ b/generic/ttk/ttkEntry.c
@@ -0,0 +1,1909 @@
+/*
+ * $Id: ttkEntry.c,v 1.1 2006/10/31 01:42:26 hobbs Exp $
+ *
+ * DERIVED FROM: tk/generic/tkEntry.c r1.35.
+ *
+ * Copyright (c) 1990-1994 The Regents of the University of California.
+ * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright (c) 2000 Ajuba Solutions.
+ * Copyright (c) 2002 ActiveState Corporation.
+ * Copyright (c) 2004 Joe English
+ */
+
+#include <string.h>
+#include <tk.h>
+#include <X11/Xatom.h>
+
+#include "ttkTheme.h"
+#include "ttkWidget.h"
+
+/*
+ * Extra bits for core.flags:
+ */
+#define GOT_SELECTION		(WIDGET_USER_FLAG<<1)
+#define SYNCING_VARIABLE	(WIDGET_USER_FLAG<<2)
+#define VALIDATING		(WIDGET_USER_FLAG<<3)
+#define VALIDATION_SET_VALUE	(WIDGET_USER_FLAG<<4)
+
+/*
+ * Definitions for -validate option values:
+ */
+typedef enum validateMode {
+    VMODE_ALL, VMODE_KEY, VMODE_FOCUS, VMODE_FOCUSIN, VMODE_FOCUSOUT, VMODE_NONE
+} VMODE;
+
+static const char *validateStrings[] = {
+    "all", "key", "focus", "focusin", "focusout", "none", NULL
+};
+
+/*
+ * Validation reasons:
+ */
+typedef enum validateReason {
+    VALIDATE_INSERT, VALIDATE_DELETE,
+    VALIDATE_FOCUSIN, VALIDATE_FOCUSOUT,
+    VALIDATE_FORCED
+} VREASON;
+
+static const char *validateReasonStrings[] = {
+    "key", "key", "focusin", "focusout", "forced", NULL
+};
+
+/*------------------------------------------------------------------------
+ * +++ Entry widget record.
+ *
+ * Dependencies:
+ *
+ * textVariableTrace	: textVariableObj
+ *
+ * numBytes,numChars	: string
+ * displayString	: numChars, showChar
+ * layoutHeight,
+ * layoutWidth,
+ * textLayout		: fontObj, displayString
+ * layoutX, layoutY	: textLayout, justify, xscroll.first
+ *
+ * Invariants:
+ *
+ * 0 <= insertPos <= numChars
+ * 0 <= selectFirst < selectLast <= numChars || selectFirst == selectLast == -1
+ * displayString points to string if showChar == NULL,
+ * or to malloc'ed storage if showChar != NULL.
+ */
+
+/* Style parameters:
+ */
+typedef struct 
+{
+    Tcl_Obj *foregroundObj;	/* Foreground color for normal text */
+    Tcl_Obj *backgroundObj;	/* Entry widget background color */
+    Tcl_Obj *selBorderObj;	/* Border and background for selection */
+    Tcl_Obj *selBorderWidthObj;	/* Width of selection border */
+    Tcl_Obj *selForegroundObj;	/* Foreground color for selected text */
+    Tcl_Obj *insertColorObj;	/* Color of insertion cursor */
+    Tcl_Obj *insertWidthObj;	/* Insert cursor width */
+} EntryStyleData;
+
+typedef struct
+{
+    /*
+     * Internal state:
+     */
+    char *string;		/* Storage for string (malloced) */
+    int numBytes;		/* Length of string in bytes. */
+    int numChars;		/* Length of string in characters. */
+
+    int insertPos;		/* Insert index */
+    int selectFirst;		/* Index of start of selection, or -1 */
+    int selectLast;		/* Index of end of selection, or -1 */
+
+    Scrollable xscroll;		/* Current scroll position */
+    ScrollHandle xscrollHandle;
+
+    /*
+     * Options managed by Tk_SetOptions:
+     */
+    Tcl_Obj *textVariableObj;	/* Name of linked variable */
+    int exportSelection;	/* Tie internal selection to X selection? */
+
+    VMODE validate;		/* Validation mode */
+    char *validateCmd;		/* Validation script template */
+    char *invalidCmd;		/* Invalid callback script template */
+
+    char *showChar;		/* Used to derive displayString */
+
+    Tcl_Obj *fontObj;		/* Text font to use */
+    Tcl_Obj *widthObj;		/* Desired width of window (in avgchars) */
+    Tk_Justify justify;		/* Text justification */
+
+    EntryStyleData styleData;	/* Display style data (widget options) */
+    EntryStyleData styleDefaults;/* Style defaults (fallback values) */
+
+    Tcl_Obj *stateObj;		/* Compatibility option -- see CheckStateObj */
+
+    /*
+     * Derived resources:
+     */
+    Ttk_TraceHandle *textVariableTrace;
+
+    char *displayString;	/* String to use when displaying */
+    Tk_TextLayout textLayout;	/* Cached text layout information. */
+    int layoutWidth;		/* textLayout width */
+    int layoutHeight;		/* textLayout height */
+
+    int layoutX, layoutY;	/* Origin for text layout. */
+
+} EntryPart;
+
+typedef struct
+{
+    WidgetCore	core;
+    EntryPart	entry;
+} Entry;
+
+/*
+ * Extra mask bits for Tk_SetOptions()
+ */
+#define STATE_CHANGED	 	(0x100)	/* -state option changed */
+#define TEXTVAR_CHANGED	 	(0x200)	/* -textvariable option changed */
+#define SCROLLCMD_CHANGED	(0x400)	/* -xscrollcommand option changed */
+
+/*
+ * Default option values:
+ */
+#define DEF_SELECT_BG	"#000000"
+#define DEF_SELECT_FG	"#ffffff"
+#define DEF_INSERT_BG	"black"
+#define DEF_ENTRY_WIDTH	"20"
+#define DEF_ENTRY_FONT	"TkTextFont"
+
+static Tk_OptionSpec EntryOptionSpecs[] =
+{
+    WIDGET_TAKES_FOCUS,
+
+    {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
+        "ExportSelection", "1", -1, Tk_Offset(Entry, entry.exportSelection),
+	0,0,0 },
+    {TK_OPTION_FONT, "-font", "font", "Font",
+	DEF_ENTRY_FONT, Tk_Offset(Entry, entry.fontObj),-1,
+	0,0,GEOMETRY_CHANGED},
+    {TK_OPTION_STRING, "-invalidcommand", "invalidCommand", "InvalidCommand",
+	NULL, -1, Tk_Offset(Entry, entry.invalidCmd),
+	TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
+	"left", -1, Tk_Offset(Entry, entry.justify),
+	0, 0, GEOMETRY_CHANGED},
+    {TK_OPTION_STRING, "-show", "show", "Show",
+        NULL, -1, Tk_Offset(Entry, entry.showChar),
+	TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_STRING, "-state", "state", "State",
+	"normal", Tk_Offset(Entry, entry.stateObj), -1,
+        0,0,STATE_CHANGED},
+    {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
+	NULL, Tk_Offset(Entry, entry.textVariableObj), -1,
+	TK_OPTION_NULL_OK,0,TEXTVAR_CHANGED},
+    {TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
+	"none", -1, Tk_Offset(Entry, entry.validate),
+	0, (ClientData) validateStrings, 0},
+    {TK_OPTION_STRING, "-validatecommand", "validateCommand", "ValidateCommand",
+	NULL, -1, Tk_Offset(Entry, entry.validateCmd),
+	TK_OPTION_NULL_OK, 0, 0},
+    {TK_OPTION_INT, "-width", "width", "Width",
+	DEF_ENTRY_WIDTH, Tk_Offset(Entry, entry.widthObj), -1,
+	0,0,GEOMETRY_CHANGED},
+    {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
+	NULL, -1, Tk_Offset(Entry, entry.xscroll.scrollCmd),
+	TK_OPTION_NULL_OK, 0, SCROLLCMD_CHANGED},
+
+    /* EntryStyleData options:
+     */
+    {TK_OPTION_COLOR, "-foreground", "textColor", "TextColor",
+	NULL, Tk_Offset(Entry, entry.styleData.foregroundObj), -1,
+	TK_OPTION_NULL_OK,0,0},
+    {TK_OPTION_COLOR, "-background", "windowColor", "WindowColor",
+	NULL, Tk_Offset(Entry, entry.styleData.backgroundObj), -1,
+	TK_OPTION_NULL_OK,0,0},
+
+    WIDGET_INHERIT_OPTIONS(CoreOptionSpecs)
+};
+
+/*------------------------------------------------------------------------
+ * +++ EntryStyleData management.
+ * 	This is still more awkward than it should be;
+ * 	it should be able to use the Element API instead.
+ */
+
+/* EntryInitStyleDefaults --
+ * 	Initialize EntryStyleData record to fallback values.
+ */
+static void EntryInitStyleDefaults(EntryStyleData *es)
+{
+#define INIT(member, value) \
+	es->member = Tcl_NewStringObj(value, -1); \
+	Tcl_IncrRefCount(es->member);
+    INIT(foregroundObj, DEFAULT_FOREGROUND)
+    INIT(selBorderObj, DEF_SELECT_BG)
+    INIT(selForegroundObj, DEF_SELECT_FG)
+    INIT(insertColorObj, DEFAULT_FOREGROUND)
+    INIT(selBorderWidthObj, "0")
+    INIT(insertWidthObj, "1")
+#undef INIT
+}
+
+static void EntryFreeStyleDefaults(EntryStyleData *es)
+{
+    Tcl_DecrRefCount(es->foregroundObj);
+    Tcl_DecrRefCount(es->selBorderObj);
+    Tcl_DecrRefCount(es->selForegroundObj);
+    Tcl_DecrRefCount(es->insertColorObj);
+    Tcl_DecrRefCount(es->selBorderWidthObj);
+    Tcl_DecrRefCount(es->insertWidthObj);
+}
+
+/*
+ * EntryInitStyleData --
+ * 	Look up style-specific data for an entry widget.
+ */
+static void EntryInitStyleData(Entry *entryPtr, EntryStyleData *es)
+{
+    Ttk_State state = entryPtr->core.state;
+    Ttk_ResourceCache cache = Ttk_GetResourceCache(entryPtr->core.interp);
+    Tk_Window tkwin = entryPtr->core.tkwin;
+    Tcl_Obj *tmp;
+
+    /* Initialize to fallback values:
+     */
+    *es = entryPtr->entry.styleDefaults;
+
+#   define INIT(member, name) \
+    if ((tmp=Ttk_QueryOption(entryPtr->core.layout,name,state))) \
+    	es->member=tmp;
+    INIT(foregroundObj, "-foreground");
+    INIT(selBorderObj, "-selectbackground")
+    INIT(selBorderWidthObj, "-selectborderwidth")
+    INIT(selForegroundObj, "-selectforeground")
+    INIT(insertColorObj, "-insertcolor")
+    INIT(insertWidthObj, "-insertwidth")
+#undef INIT
+
+    /* Reacquire color & border resources from resource cache.
+     */
+    es->foregroundObj = Ttk_UseColor(cache, tkwin, es->foregroundObj);
+    es->selForegroundObj = Ttk_UseColor(cache, tkwin, es->selForegroundObj);
+    es->insertColorObj = Ttk_UseColor(cache, tkwin, es->insertColorObj);
+    es->selBorderObj = Ttk_UseBorder(cache, tkwin, es->selBorderObj);
+}
+
+/*------------------------------------------------------------------------
+ * +++ Resource management.
+ */
+
+/* EntryDisplayString --
+ * 	Return a malloc'ed string consisting of 'numChars' copies
+ * 	of (the first character in the string) 'showChar'.
+ * 	Used to compute the displayString if -show is non-NULL.
+ */
+static char *EntryDisplayString(const char *showChar, int numChars)
+{
+    char *displayString, *p;
+    int size;
+    Tcl_UniChar ch;
+    char buf[TCL_UTF_MAX];
+
+    Tcl_UtfToUniChar(showChar, &ch);
+    size = Tcl_UniCharToUtf(ch, buf);
+    p = displayString = ckalloc(numChars * size + 1);
+
+    while (numChars--) {
+	p += Tcl_UniCharToUtf(ch, p);
+    }
+    *p = '\0';
+
+    return displayString;
+}
+
+/* EntryUpdateTextLayout --
+ * 	Recompute textLayout, layoutWidth, and layoutHeight
+ * 	from displayString and fontObj.
+ */
+static void EntryUpdateTextLayout(Entry *entryPtr)
+{
+    Tk_FreeTextLayout(entryPtr->entry.textLayout);
+    entryPtr->entry.textLayout = Tk_ComputeTextLayout(
+	    Tk_GetFontFromObj(entryPtr->core.tkwin, entryPtr->entry.fontObj),
+	    entryPtr->entry.displayString, entryPtr->entry.numChars,
+	    0/*wraplength*/, entryPtr->entry.justify, TK_IGNORE_NEWLINES,
+	    &entryPtr->entry.layoutWidth, &entryPtr->entry.layoutHeight);
+}
+
+/* EntryEditable --
+ * 	Returns 1 if the entry widget accepts user changes, 0 otherwise
+ */
+static int
+EntryEditable(Entry *entryPtr)
+{
+    return !(entryPtr->core.state & (TTK_STATE_DISABLED|TTK_STATE_READONLY));
+}
+
+/*------------------------------------------------------------------------
+ * +++ Selection management.
+ */
+
+/* EntryFetchSelection --
+ *	Selection handler for entry widgets.
+ */
+static int
+EntryFetchSelection(
+    ClientData clientData, int offset, char *buffer, int maxBytes)
+{
+    Entry *entryPtr = (Entry *) clientData;
+    size_t byteCount;
+    const char *string;
+    const char *selStart, *selEnd;
+
+    if (entryPtr->entry.selectFirst < 0 || !entryPtr->entry.exportSelection) {
+	return -1;
+    }
+    string = entryPtr->entry.displayString;
+
+    selStart = Tcl_UtfAtIndex(string, entryPtr->entry.selectFirst);
+    selEnd = Tcl_UtfAtIndex(selStart,
+	    entryPtr->entry.selectLast - entryPtr->entry.selectFirst);
+    byteCount = selEnd - selStart - offset;
+    if (byteCount > (size_t)maxBytes) {
+    /* @@@POSSIBLE BUG: Can transfer partial UTF-8 sequences.  Is this OK? */
+	byteCount = maxBytes;
+    }
+    if (byteCount <= 0) {
+	return 0;
+    }
+    memcpy(buffer, selStart + offset, byteCount);
+    buffer[byteCount] = '\0';
+    return byteCount;
+}
+
+/* EntryLostSelection --
+ *	Tk_LostSelProc for Entry widgets; called when an entry
+ *	loses ownership of the selection.
+ */
+static void EntryLostSelection(ClientData clientData)
+{
+    Entry *entryPtr = (Entry *) clientData;
+    entryPtr->core.flags &= ~GOT_SELECTION;
+    entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
+    TtkRedisplayWidget(&entryPtr->core);
+}
+
+/* EntryOwnSelection --
+ * 	Assert ownership of the PRIMARY selection,
+ * 	if -exportselection set and selection is present.
+ */
+static void EntryOwnSelection(Entry *entryPtr)
+{
+    if (entryPtr->entry.exportSelection
+	&& !(entryPtr->core.flags & GOT_SELECTION)) {
+	Tk_OwnSelection(entryPtr->core.tkwin, XA_PRIMARY, EntryLostSelection,
+		(ClientData) entryPtr);
+	entryPtr->core.flags |= GOT_SELECTION;
+    }
+}
+
+/*------------------------------------------------------------------------
+ * +++ Validation.
+ */
+
+/* ExpandPercents --
+ *	Expand an entry validation script template (-validatecommand
+ *	or -invalidcommand).
+ */
+static void
+ExpandPercents(
+     Entry *entryPtr,		/* Entry that needs validation. */
+     const char *template, 	/* Script template */
+     const char *new,		/* Potential new value of entry string */
+     int index,			/* index of insert/delete */
+     int count,			/* #changed characters */
+     VREASON reason,		/* Reason for change */
+     Tcl_DString *dsPtr)	/* Result of %-substitutions */
+{
+    int spaceNeeded, cvtFlags;
+    int number, length;
+    const char *string;
+    int stringLength;
+    Tcl_UniChar ch;
+    char numStorage[2*TCL_INTEGER_SPACE];
+
+    while (*template) {
+	/* Find everything up to the next % character and append it
+	 * to the result string.
+	 */
+	string = Tcl_UtfFindFirst(template, '%');
+	if (string == NULL) {
+	    /* No more %-sequences to expand.
+	     * Copy the rest of the template.
+	     */
+	    Tcl_DStringAppend(dsPtr, template, -1);
+	    return;
+	}
+	if (string != template) {
+	    Tcl_DStringAppend(dsPtr, template, string - template);
+	    template = string;
+	}
+
+	/* There's a percent sequence here.  Process it.
+	 */
+	++template; /* skip over % */
+	if (*template != '\0') {
+	    template += Tcl_UtfToUniChar(template, &ch);
+	} else {
+	    ch = '%';
+	}
+
+	stringLength = -1;
+	switch (ch) {
+	    case 'd': /* Type of call that caused validation */
+		if (reason == VALIDATE_INSERT) {
+		    number = 1;
+		} else if (reason == VALIDATE_DELETE) {
+		    number = 0;
+		} else {
+		    number = -1;
+		}
+		sprintf(numStorage, "%d", number);
+		string = numStorage;
+		break;
+	    case 'i': /* index of insert/delete */
+		sprintf(numStorage, "%d", index);
+		string = numStorage;
+		break;
+	    case 'P': /* 'Peeked' new value of the string */
+		string = new;
+		break;
+	    case 's': /* Current string value */
+		string = entryPtr->entry.string;
+		break;
+	    case 'S': /* string to be inserted/deleted, if any */
+		if (reason == VALIDATE_INSERT) {
+		    string = Tcl_UtfAtIndex(new, index);
+		    stringLength = Tcl_UtfAtIndex(string, count) - string;
+		} else if (reason == VALIDATE_DELETE) {
+		    string = Tcl_UtfAtIndex(entryPtr->entry.string, index);
+		    stringLength = Tcl_UtfAtIndex(string, count) - string;
+		} else {
+		    string = "";
+		    stringLength = 0;
+		}
+		break;
+	    case 'v': /* type of validation currently set */
+		string = validateStrings[entryPtr->entry.validate];
+		break;
+	    case 'V': /* type of validation in effect */
+		string = validateReasonStrings[reason];
+		break;
+	    case 'W': /* widget name */
+		string = Tk_PathName(entryPtr->core.tkwin);
+		break;
+	    default:
+		length = Tcl_UniCharToUtf(ch, numStorage);
+		numStorage[length] = '\0';
+		string = numStorage;
+		break;
+	}
+
+	spaceNeeded = Tcl_ScanCountedElement(string, stringLength, &cvtFlags);
+	length = Tcl_DStringLength(dsPtr);
+	Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
+	spaceNeeded = Tcl_ConvertCountedElement(string, stringLength,
+		Tcl_DStringValue(dsPtr) + length,
+		cvtFlags | TCL_DONT_USE_BRACES);
+	Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
+    }
+}
+
+/* RunValidationScript --
+ * 	Build and evaluate an entry validation script.
+ * 	If the script raises an error, disable validation
+ * 	by setting '-validate none'
+ */
+static int RunValidationScript(
+    Tcl_Interp *interp, 	/* Interpreter to use */
+    Entry *entryPtr,		/* Entry being validated */
+    const char *template,	/* Script template */
+    const char *optionName,	/* "-validatecommand", "-invalidcommand" */
+    const char *new,		/* Potential new value of entry string */
+    int index,			/* index of insert/delete */
+    int count,			/* #changed characters */
+    VREASON reason)		/* Reason for change */
+{
+    Tcl_DString script;
+    int code;
+
+    Tcl_DStringInit(&script);
+    ExpandPercents(entryPtr, template, new, index, count, reason, &script);
+    code = Tcl_EvalEx(interp,
+		Tcl_DStringValue(&script), Tcl_DStringLength(&script),
+		TCL_EVAL_GLOBAL | TCL_EVAL_DIRECT);
+    Tcl_DStringFree(&script);
+    if (WidgetDestroyed(&entryPtr->core))
+	return TCL_ERROR;
+
+    if (code != TCL_OK && code != TCL_RETURN) {
+	Tcl_AddErrorInfo(interp, "\n\t(in ");
+	Tcl_AddErrorInfo(interp, optionName);
+	Tcl_AddErrorInfo(interp, " validation command executed by ");
+	Tcl_AddErrorInfo(interp, Tk_PathName(entryPtr->core.tkwin));
+	Tcl_AddErrorInfo(interp, ")");
+	entryPtr->entry.validate = VMODE_NONE;
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+/* EntryNeedsValidation --
+ * 	Determine whether the specified VREASON should trigger validation
+ * 	in the current VMODE.
+ */
+static int EntryNeedsValidation(VMODE vmode, VREASON reason)
+{
+    return (reason == VALIDATE_FORCED)
+	|| (vmode == VMODE_ALL)
+	|| (reason == VALIDATE_FOCUSIN
+	    && (vmode == VMODE_FOCUSIN || vmode == VMODE_FOCUS))
+	|| (reason == VALIDATE_FOCUSOUT
+	    && (vmode == VMODE_FOCUSOUT || vmode == VMODE_FOCUS))
+	|| (reason == VALIDATE_INSERT && vmode == VMODE_KEY)
+	|| (reason == VALIDATE_DELETE && vmode == VMODE_KEY)
+	;
+}
+
+/* EntryValidateChange --
+ *	Validate a proposed change to the entry widget's value if required.
+ *	Call the -invalidcommand if validation fails.
+ *
+ * Returns:
+ *	TCL_OK if the change is accepted
+ *	TCL_BREAK if the change is rejected
+ *      TCL_ERROR if any errors occured
+ *
+ * The change will be rejected if -validatecommand returns 0, 
+ * or if -validatecommand or -invalidcommand modifies the value.
+ */
+static int
+EntryValidateChange(
+    Entry *entryPtr,		/* Entry that needs validation. */
+    const char *newValue,	/* Potential new value of entry string */
+    int index,			/* index of insert/delete, -1 otherwise */
+    int count,			/* #changed characters */
+    VREASON reason)		/* Reason for change */
+{
+    Tcl_Interp *interp = entryPtr->core.interp;
+    VMODE vmode = entryPtr->entry.validate;
+    int code, change_ok;
+
+    if (   (entryPtr->entry.validateCmd == NULL)
+	|| (entryPtr->core.flags & VALIDATING)
+	|| !EntryNeedsValidation(vmode, reason) )
+    {
+	return TCL_OK;
+    }
+
+    entryPtr->core.flags |= VALIDATING;
+
+    /* Run -validatecommand and check return value:
+     */
+    code = RunValidationScript(interp, entryPtr,
+	    entryPtr->entry.validateCmd, "-validatecommand",
+	    newValue, index, count, reason);
+    if (code != TCL_OK) {
+	goto done;
+    }
+
+    code = Tcl_GetBooleanFromObj(interp,Tcl_GetObjResult(interp), &change_ok);
+    if (code != TCL_OK) {
+	entryPtr->entry.validate = VMODE_NONE;	/* Disable validation */
+	Tcl_AddErrorInfo(interp,
+		"\n(validation command did not return valid boolean)");
+	goto done;
+    }
+
+    /* Run the -invalidcommand if validation failed:
+     */
+    if (!change_ok && entryPtr->entry.invalidCmd != NULL) {
+	code = RunValidationScript(interp, entryPtr,
+		entryPtr->entry.invalidCmd, "-invalidcommand",
+		newValue, index, count, reason);
+	if (code != TCL_OK) {
+	    goto done;
+	}
+    }
+
+    /* Reject the pending change if validation failed
+     * or if a validation script changed the value.
+     */
+    if (!change_ok || (entryPtr->core.flags & VALIDATION_SET_VALUE)) {
+	code = TCL_BREAK;
+    }
+
+done:
+    entryPtr->core.flags &= ~(VALIDATING|VALIDATION_SET_VALUE);
+    return code;
+}
+
+/* EntryRevalidate --
+ * 	Revalidate the current value of an entry widget,
+ * 	update the TTK_STATE_INVALID bit.
+ *
+ * Returns:
+ * 	TCL_OK if valid, TCL_BREAK if invalid, TCL_ERROR on error.
+ */
+static int EntryRevalidate(Tcl_Interp *interp, Entry *entryPtr, VREASON reason)
+{
+    int code = EntryValidateChange(
+		    entryPtr, entryPtr->entry.string, -1,0, reason);
+
+    if (code == TCL_BREAK) {
+	WidgetChangeState(&entryPtr->core, TTK_STATE_INVALID, 0);
+    } else if (code == TCL_OK) {
+	WidgetChangeState(&entryPtr->core, 0, TTK_STATE_INVALID);
+    }
+
+    return code;
+}
+
+/* EntryRevalidateBG --
+ * 	Revalidate in the background (called from event handler).
+ */
+static void EntryRevalidateBG(Entry *entryPtr, VREASON reason)
+{
+    Tcl_Interp *interp = entryPtr->core.interp;
+    if (EntryRevalidate(interp, entryPtr, reason) == TCL_ERROR) {
+	Tcl_BackgroundError(interp);
+    }
+}
+
+/*------------------------------------------------------------------------
+ * +++ Entry widget modification.
+ */
+
+/* AdjustIndex --
+ * 	Adjust index to account for insertion (nChars > 0)
+ * 	or deletion (nChars < 0) at specified index.
+ */
+static int AdjustIndex(int i0, int index, int nChars)
+{
+    if (i0 >= index) {
+	i0 += nChars;
+	if (i0 < index) { /* index was inside deleted range */
+	    i0 = index;
+	}
+    }
+    return i0;
+}
+
+/* AdjustIndices --
+ * 	Adjust all internal entry indexes to account for change.
+ * 	Note that insertPos, and selectFirst have "right gravity",
+ * 	while leftIndex (=xscroll.first) and selectLast have "left gravity".
+ */
+static void AdjustIndices(Entry *entryPtr, int index, int nChars)
+{
+    EntryPart *e = &entryPtr->entry;
+    int g = nChars > 0;		/* left gravity adjustment */
+
+    e->insertPos    = AdjustIndex(e->insertPos, index, nChars);
+    e->selectFirst  = AdjustIndex(e->selectFirst, index, nChars);
+    e->selectLast   = AdjustIndex(e->selectLast, index+g, nChars);
+    e->xscroll.first= AdjustIndex(e->xscroll.first, index+g, nChars);
+
+    if (e->selectLast <= e->selectFirst)
+	e->selectFirst = e->selectLast = -1;
+}
+
+/* EntryStoreValue --
+ *	Replace the contents of a text entry with a given value,
+ *	recompute dependent resources, and schedule a redisplay.
+ *
+ *	See also: EntrySetValue().
+ */
+static void
+EntryStoreValue(Entry *entryPtr, const char *value)
+{
+    size_t numBytes = strlen(value);
+    int numChars = Tcl_NumUtfChars(value, numBytes);
+
+    if (entryPtr->core.flags & VALIDATING)
+	entryPtr->core.flags |= VALIDATION_SET_VALUE;
+
+    /* Make sure all indices remain in bounds:
+     */
+    if (numChars < entryPtr->entry.numChars)
+	AdjustIndices(entryPtr, numChars, numChars - entryPtr->entry.numChars);
+
+    /* Free old value:
+     */
+    if (entryPtr->entry.displayString != entryPtr->entry.string)
+	ckfree(entryPtr->entry.displayString);
+    ckfree(entryPtr->entry.string);
+
+    /* Store new value:
+     */
+    entryPtr->entry.string = ckalloc(numBytes + 1);
+    strcpy(entryPtr->entry.string, value);
+    entryPtr->entry.numBytes = numBytes;
+    entryPtr->entry.numChars = numChars;
+
+    entryPtr->entry.displayString
+	= entryPtr->entry.showChar
+	? EntryDisplayString(entryPtr->entry.showChar, numChars)
+	: entryPtr->entry.string
+	;
+
+    /* Update layout, schedule redisplay:
+     */
+    EntryUpdateTextLayout(entryPtr);
+    TtkRedisplayWidget(&entryPtr->core);
+}
+
+/* EntrySetValue --
+ * 	Stores a new value in the entry widget and updates the
+ * 	linked -textvariable, if any.  The write trace on the
+ * 	text variable is temporarily disabled; however, other
+ * 	write traces may change the value of the variable.
+ * 	If so, the new value is used instead (bypassing validation).
+ *
+ * Returns:
+ * 	TCL_OK if successful, TCL_ERROR otherwise.
+ */
+static int EntrySetValue(Entry *entryPtr, const char *value)
+{
+    if (entryPtr->entry.textVariableObj) {
+	const char *textVarName =
+	    Tcl_GetString(entryPtr->entry.textVariableObj);
+	if (textVarName && *textVarName) {
+	    entryPtr->core.flags |= SYNCING_VARIABLE;
+	    value = Tcl_SetVar(entryPtr->core.interp, textVarName,
+		    value, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG);
+	    entryPtr->core.flags &= ~SYNCING_VARIABLE;
+	    if (!value || WidgetDestroyed(&entryPtr->core))
+		return TCL_ERROR;
+	}
+    }
+
+    EntryStoreValue(entryPtr, value);
+    return TCL_OK;
+}
+
+/* EntryTextVariableTrace --
+ *	Variable trace procedure for entry -textvariable
+ */
+static void EntryTextVariableTrace(void *recordPtr, const char *value)
+{
+    Entry *entryPtr = recordPtr;
+
+    if (WidgetDestroyed(&entryPtr->core)) {
+	return;
+    }
+
+    if (entryPtr->core.flags & SYNCING_VARIABLE) {
+	/* Trace was fired due to Tcl_SetVar call in EntrySetValue.
+	 * Don't do anything.
+	 */
+	return;
+    }
+
+    EntryStoreValue(entryPtr, value ? value : "");
+}
+
+/*------------------------------------------------------------------------
+ * +++ Insertion and deletion.
+ */
+
+/* InsertChars --
+ *	Add new characters to an entry widget.
+ */
+static int
+InsertChars(
+    Entry *entryPtr,		/* Entry that is to get the new elements. */
+    int index,			/* Insert before this index */
+    const char *value)		/* New characters to add */
+{
+    char *string = entryPtr->entry.string;
+    size_t byteIndex = Tcl_UtfAtIndex(string, index) - string;
+    size_t byteCount = strlen(value);
+    int charsAdded = Tcl_NumUtfChars(value, byteCount);
+    size_t newByteCount = entryPtr->entry.numBytes + byteCount + 1;
+    char *new;
+    int code;
+
+    if (byteCount == 0) {
+	return TCL_OK;
+    }
+
+    new =  ckalloc(newByteCount);
+    memcpy(new, string, byteIndex);
+    strcpy(new + byteIndex, value);
+    strcpy(new + byteIndex + byteCount, string + byteIndex);
+
+    code = EntryValidateChange(
+	    entryPtr, new, index, charsAdded, VALIDATE_INSERT);
+
+    if (code == TCL_OK) {
+	AdjustIndices(entryPtr, index, charsAdded);
+	code = EntrySetValue(entryPtr, new);
+    } else if (code == TCL_BREAK) {
+	code = TCL_OK;
+    }
+
+    ckfree(new);
+    return code;
+}
+
+/* DeleteChars --
+ *	Remove one or more characters from an entry widget.
+ */
+static int
+DeleteChars(
+    Entry *entryPtr,		/* Entry widget to modify. */
+    int index,			/* Index of first character to delete. */
+    int count)			/* How many characters to delete. */
+{
+    char *string = entryPtr->entry.string;
+    size_t byteIndex, byteCount, newByteCount;
+    char *new;
+    int code;
+
+    if (index < 0) {
+	index = 0;
+    }
+    if (count > entryPtr->entry.numChars - index) {
+	count = entryPtr->entry.numChars - index;
+    }
+    if (count <= 0) {
+	return TCL_OK;
+    }
+
+    byteIndex = Tcl_UtfAtIndex(string, index) - string;
+    byteCount = Tcl_UtfAtIndex(string+byteIndex, count) - (string+byteIndex);
+
+    newByteCount = entryPtr->entry.numBytes + 1 - byteCount;
+    new =  ckalloc(newByteCount);
+    memcpy(new, string, byteIndex);
+    strcpy(new + byteIndex, string + byteIndex + byteCount);
+
+    code = EntryValidateChange(
+	    entryPtr, new, index, count, VALIDATE_DELETE);
+
+    if (code == TCL_OK) {
+	AdjustIndices(entryPtr, index, -count);
+	code = EntrySetValue(entryPtr, new);
+    } else if (code == TCL_BREAK) {
+	code = TCL_OK;
+    }
+    ckfree(new);
+
+    return code;
+}
+
+/*------------------------------------------------------------------------
+ * +++ Event handler.
+ */
+
+/* EntryEventProc --
+ *	Extra event handling for entry widgets:
+ *	Triggers validation on FocusIn and FocusOut events.
+ */
+#define EntryEventMask (FocusChangeMask)
+static void
+EntryEventProc(ClientData clientData, XEvent *eventPtr)
+{
+    Entry *entryPtr = (Entry *) clientData;
+
+    Tcl_Preserve(clientData);
+    switch (eventPtr->type) {
+	case DestroyNotify:
+	    Tk_DeleteEventHandler(entryPtr->core.tkwin,
+		    EntryEventMask, EntryEventProc, clientData);
+	    break;
+	case FocusIn:
+	    EntryRevalidateBG(entryPtr, VALIDATE_FOCUSIN);
+	    break;
+	case FocusOut:
+	    EntryRevalidateBG(entryPtr, VALIDATE_FOCUSOUT);
+	    break;
+    }
+    Tcl_Release(clientData);
+}
+
+/*------------------------------------------------------------------------
+ * +++ Initialization and cleanup.
+ */
+
+static int
+EntryInitialize(Tcl_Interp *interp, void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+
+    Tk_CreateEventHandler(
+	entryPtr->core.tkwin, EntryEventMask, EntryEventProc, entryPtr);
+    Tk_CreateSelHandler(entryPtr->core.tkwin, XA_PRIMARY, XA_STRING,
+	EntryFetchSelection, (ClientData) entryPtr, XA_STRING);
+    BlinkCursor(&entryPtr->core);
+
+    entryPtr->entry.string		= ckalloc(1);
+    *entryPtr->entry.string 		= '\0';
+    entryPtr->entry.displayString	= entryPtr->entry.string;
+    entryPtr->entry.textVariableTrace 	= 0;
+    entryPtr->entry.numBytes = entryPtr->entry.numChars = 0;
+
+    EntryInitStyleDefaults(&entryPtr->entry.styleDefaults);
+
+    entryPtr->entry.xscrollHandle =
+	CreateScrollHandle(&entryPtr->core, &entryPtr->entry.xscroll);
+
+    entryPtr->entry.insertPos		= 0;
+    entryPtr->entry.selectFirst 	= -1;
+    entryPtr->entry.selectLast		= -1;
+
+    return TCL_OK;
+}
+
+static void
+EntryCleanup(void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+
+    if (entryPtr->entry.textVariableTrace)
+	Ttk_UntraceVariable(entryPtr->entry.textVariableTrace);
+
+    FreeScrollHandle(entryPtr->entry.xscrollHandle);
+
+    EntryFreeStyleDefaults(&entryPtr->entry.styleDefaults);
+
+    Tk_DeleteSelHandler(entryPtr->core.tkwin, XA_PRIMARY, XA_STRING);
+
+    Tk_FreeTextLayout(entryPtr->entry.textLayout);
+    if (entryPtr->entry.displayString != entryPtr->entry.string)
+	ckfree(entryPtr->entry.displayString);
+    ckfree(entryPtr->entry.string);
+}
+
+/* EntryConfigure --
+ * 	Configure hook for Entry widgets.
+ */
+static int EntryConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
+{
+    Entry *entryPtr = recordPtr;
+    Tcl_Obj *textVarName = entryPtr->entry.textVariableObj;
+    Ttk_TraceHandle *vt = 0;
+
+    if (mask & TEXTVAR_CHANGED) {
+	if (textVarName && *Tcl_GetString(textVarName)) {
+	    vt = Ttk_TraceVariable(interp,
+		    textVarName,EntryTextVariableTrace,entryPtr);
+	    if (!vt) return TCL_ERROR;
+	}
+    }
+
+    if (CoreConfigure(interp, recordPtr, mask) != TCL_OK) {
+	if (vt) Ttk_UntraceVariable(vt);
+	return TCL_ERROR;
+    }
+
+    /* Update derived resources:
+     */
+    if (mask & TEXTVAR_CHANGED) {
+	if (entryPtr->entry.textVariableTrace)
+	    Ttk_UntraceVariable(entryPtr->entry.textVariableTrace);
+	entryPtr->entry.textVariableTrace = vt;
+    }
+
+    /* Claim the selection, in case we've suddenly started exporting it.
+     */
+    if (entryPtr->entry.exportSelection && entryPtr->entry.selectFirst != -1) {
+	EntryOwnSelection(entryPtr);
+    }
+
+    /* Handle -state compatibility option:
+     */
+    if (mask & STATE_CHANGED) {
+	CheckStateOption(&entryPtr->core, entryPtr->entry.stateObj);
+    }
+
+    /* Force scrollbar update if needed:
+     */
+    if (mask & SCROLLCMD_CHANGED) {
+	ScrollbarUpdateRequired(entryPtr->entry.xscrollHandle);
+    }
+
+    /* Recompute the displayString, in case showChar changed:
+     */
+    if (entryPtr->entry.displayString != entryPtr->entry.string)
+	ckfree(entryPtr->entry.displayString);
+
+    entryPtr->entry.displayString
+	= entryPtr->entry.showChar
+	? EntryDisplayString(entryPtr->entry.showChar, entryPtr->entry.numChars)
+	: entryPtr->entry.string
+	;
+
+    /* Update textLayout:
+     */
+    EntryUpdateTextLayout(entryPtr);
+    return TCL_OK;
+}
+
+/* EntryPostConfigure --
+ * 	Post-configuration hook for entry widgets.
+ */
+static int EntryPostConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
+{
+    Entry *entryPtr = recordPtr;
+    int status = TCL_OK;
+
+    if ((mask & TEXTVAR_CHANGED) && entryPtr->entry.textVariableTrace != NULL) {
+	status = Ttk_FireTrace(entryPtr->entry.textVariableTrace);
+    }
+
+    return status;
+}
+
+/*------------------------------------------------------------------------
+ * +++ Layout and display.
+ */
+
+/* EntryTextArea --
+ * 	Return bounding box of entry display ("owner-draw") area.
+ */
+static Ttk_Box
+EntryTextArea(Entry *entryPtr)
+{
+    WidgetCore *corePtr = &entryPtr->core;
+    Ttk_LayoutNode *node = Ttk_LayoutFindNode(corePtr->layout, "textarea");
+    return node ? Ttk_LayoutNodeParcel(node) : Ttk_WinBox(corePtr->tkwin);
+}
+
+/* EntryCharPosition --
+ * 	Return the X coordinate of the specified character index.
+ * 	Precondition: textLayout and layoutX up-to-date.
+ */
+static int
+EntryCharPosition(Entry *entryPtr, int index)
+{
+    int xPos;
+    Tk_CharBbox(entryPtr->entry.textLayout, index, &xPos, NULL, NULL, NULL);
+    return xPos + entryPtr->entry.layoutX;
+}
+
+/* EntryDoLayout --
+ * 	Layout hook for entry widgets.
+ *
+ * 	Determine position of textLayout based on xscroll.first, justify,
+ * 	and display area.
+ *
+ * 	Recalculates layoutX, layoutY, and rightIndex,
+ * 	and updates xscroll accordingly.
+ * 	May adjust xscroll.first to ensure the maximum #characters are onscreen.
+ */
+static void
+EntryDoLayout(void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    WidgetCore *corePtr = &entryPtr->core;
+    Tk_TextLayout textLayout = entryPtr->entry.textLayout;
+    int leftIndex = entryPtr->entry.xscroll.first;
+    int rightIndex;
+    Ttk_Box textarea;
+
+    Ttk_PlaceLayout(corePtr->layout,corePtr->state,Ttk_WinBox(corePtr->tkwin));
+    textarea = EntryTextArea(entryPtr);
+
+    /* Center the text vertically within the available parcel:
+     */
+    entryPtr->entry.layoutY = textarea.y +
+	(textarea.height - entryPtr->entry.layoutHeight)/2;
+
+    /* Recompute where the leftmost character on the display will
+     * be drawn (layoutX) and adjust leftIndex if necessary.
+     */
+    if (entryPtr->entry.layoutWidth <= textarea.width) {
+	/* Everything fits.  Set leftIndex to zero (no need to scroll),
+	 * and compute layoutX based on -justify.
+	 */
+	int extraSpace = textarea.width - entryPtr->entry.layoutWidth;
+	leftIndex = 0;
+	rightIndex = entryPtr->entry.numChars;
+	entryPtr->entry.layoutX = textarea.x;
+	if (entryPtr->entry.justify == TK_JUSTIFY_RIGHT) {
+	    entryPtr->entry.layoutX += extraSpace;
+	} else if (entryPtr->entry.justify == TK_JUSTIFY_CENTER) {
+	    entryPtr->entry.layoutX += extraSpace / 2;
+	}
+    } else {
+	/* The whole string doesn't fit in the window.
+	 * Limit leftIndex to leave at most one character's worth
+	 * of empty space on the right.
+	 */
+	int overflow = entryPtr->entry.layoutWidth - textarea.width;
+	int maxLeftIndex = 1 + Tk_PointToChar(textLayout, overflow, 0);
+	int leftX;
+
+	if (leftIndex > maxLeftIndex) {
+	    leftIndex = maxLeftIndex;
+	}
+
+	/* Compute layoutX and rightIndex.
+	 * rightIndex is set to one past the last fully-visible character.
+	 */
+	Tk_CharBbox(textLayout, leftIndex, &leftX, NULL, NULL, NULL);
+	rightIndex = Tk_PointToChar(textLayout, leftX + textarea.width, 0);
+	entryPtr->entry.layoutX = textarea.x - leftX;
+    }
+
+    Scrolled(entryPtr->entry.xscrollHandle,
+	    leftIndex, rightIndex, entryPtr->entry.numChars);
+}
+
+/* EntryGetGC -- Helper routine.
+ *      Get a GC using the specified foreground color and the entry's font.
+ *      Result must be freed with Tk_FreeGC().
+ */
+static GC EntryGetGC(Entry *entryPtr, Tcl_Obj *colorObj)
+{
+    Tk_Window tkwin = entryPtr->core.tkwin;
+    Tk_Font font = Tk_GetFontFromObj(tkwin, entryPtr->entry.fontObj);
+    XColor *colorPtr;
+    unsigned long mask = 0ul;
+    XGCValues gcValues;
+
+    gcValues.line_width = 1; mask |= GCLineWidth;
+    gcValues.font = Tk_FontId(font); mask |= GCFont;
+    if (colorObj != 0 && (colorPtr=Tk_GetColorFromObj(tkwin,colorObj)) != 0) {
+	gcValues.foreground = colorPtr->pixel;
+	mask |= GCForeground;
+    }
+    return Tk_GetGC(entryPtr->core.tkwin, mask, &gcValues);
+}
+
+
+/* EntryDisplay --
+ *	Redraws the contents of an entry window.
+ */
+static void EntryDisplay(void *clientData, Drawable d)
+{
+    Entry *entryPtr = clientData;
+    Tk_Window tkwin = entryPtr->core.tkwin;
+    int leftIndex = entryPtr->entry.xscroll.first,
+	rightIndex = entryPtr->entry.xscroll.last,
+	selFirst = entryPtr->entry.selectFirst,
+	selLast = entryPtr->entry.selectLast;
+    EntryStyleData es;
+    GC gc;
+    int showSelection, showCursor;
+
+    EntryInitStyleData(entryPtr, &es);
+
+    showCursor = 
+	   (entryPtr->core.flags & CURSOR_ON) != 0
+	&& EntryEditable(entryPtr)
+	&& entryPtr->entry.insertPos >= leftIndex
+	&& entryPtr->entry.insertPos <= rightIndex
+	;
+    showSelection =
+	   (entryPtr->core.state & TTK_STATE_DISABLED) == 0
+	&& selFirst > -1
+	&& selLast > leftIndex
+	&& selFirst <= rightIndex
+	;
+
+    /* Adjust selection range to keep in display bounds.
+     */
+    if (showSelection) {
+	if (selFirst < leftIndex)
+	    selFirst = leftIndex;
+	if (selLast > rightIndex)
+	    selLast = rightIndex;
+    }
+
+    /* Draw widget background & border
+     */
+    Ttk_DrawLayout(entryPtr->core.layout, entryPtr->core.state, d);
+
+    /* Draw selection background
+     */
+    if (showSelection && es.selBorderObj) {
+	Tk_3DBorder selBorder = Tk_Get3DBorderFromObj(tkwin, es.selBorderObj);
+	int selStartX = EntryCharPosition(entryPtr, selFirst);
+	int selEndX = EntryCharPosition(entryPtr, selLast);
+	int borderWidth = 1;
+
+	Tcl_GetIntFromObj(NULL, es.selBorderWidthObj, &borderWidth);
+
+	if (selBorder) {
+	    Tk_Fill3DRectangle(tkwin, d, selBorder,
+		selStartX - borderWidth, entryPtr->entry.layoutY - borderWidth,
+		selEndX - selStartX + 2*borderWidth,
+		entryPtr->entry.layoutHeight + 2*borderWidth,
+		borderWidth, TK_RELIEF_RAISED);
+	}
+    }
+
+    /* Draw cursor:
+     */
+    if (showCursor) {
+	int cursorX = EntryCharPosition(entryPtr, entryPtr->entry.insertPos),
+	    cursorY = entryPtr->entry.layoutY,
+	    cursorHeight = entryPtr->entry.layoutHeight,
+	    cursorWidth = 1;
+
+	Tcl_GetIntFromObj(NULL,es.insertWidthObj,&cursorWidth);
+	if (cursorWidth <= 0) {
+	    cursorWidth = 1;
+	}
+
+	/* @@@ should: maybe: SetCaretPos even when blinked off */
+	Tk_SetCaretPos(tkwin, cursorX, cursorY, cursorHeight);
+
+	gc = EntryGetGC(entryPtr, es.insertColorObj);
+	XFillRectangle(Tk_Display(tkwin), d, gc, 
+	    cursorX-cursorWidth/2, cursorY, cursorWidth, cursorHeight);
+	Tk_FreeGC(Tk_Display(tkwin), gc);
+    }
+
+    /* Draw the text:
+     */
+    gc = EntryGetGC(entryPtr, es.foregroundObj);
+    Tk_DrawTextLayout(
+	Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
+	entryPtr->entry.layoutX, entryPtr->entry.layoutY,
+	leftIndex, rightIndex);
+    Tk_FreeGC(Tk_Display(tkwin), gc);
+
+    /* Overwrite the selected portion (if any) in the -selectforeground color:
+     */
+    if (showSelection) {
+	gc = EntryGetGC(entryPtr, es.selForegroundObj);
+	Tk_DrawTextLayout(
+	    Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
+	    entryPtr->entry.layoutX, entryPtr->entry.layoutY,
+	    selFirst, selLast);
+	Tk_FreeGC(Tk_Display(tkwin), gc);
+    }
+}
+
+/*------------------------------------------------------------------------
+ * +++ Widget commands.
+ */
+
+/* EntryIndex --
+ *	Parse an index into an entry and return either its value
+ *	or an error.
+ *
+ * Results:
+ *	A standard Tcl result.  If all went well, then *indexPtr is
+ *	filled in with the character index (into entryPtr) corresponding to
+ *	string.  The index value is guaranteed to lie between 0 and
+ *	the number of characters in the string, inclusive.  If an
+ *	error occurs then an error message is left in the interp's result.
+ */
+static int
+EntryIndex(
+    Tcl_Interp *interp,		/* For error messages. */
+    Entry *entryPtr,		/* Entry widget to query */
+    Tcl_Obj *indexObj,		/* Symbolic index name */
+    int *indexPtr)		/* Return value */
+{
+#   define EntryWidth(e) (Tk_Width(entryPtr->core.tkwin)) /* Not Right */
+    int length;
+    const char *string = Tcl_GetStringFromObj(indexObj, &length);
+
+    if (strncmp(string, "end", length) == 0) {
+	*indexPtr = entryPtr->entry.numChars;
+    } else if (strncmp(string, "insert", length) == 0) {
+	*indexPtr = entryPtr->entry.insertPos;
+    } else if (strncmp(string, "left", length) == 0) {	/* for debugging */
+	*indexPtr = entryPtr->entry.xscroll.first;
+    } else if (strncmp(string, "right", length) == 0) {	/* for debugging */
+	*indexPtr = entryPtr->entry.xscroll.last;
+    } else if (strncmp(string, "sel.", 4) == 0) {
+	if (entryPtr->entry.selectFirst < 0) {
+	    Tcl_ResetResult(interp);
+	    Tcl_AppendResult(interp, "selection isn't in widget ",
+		    Tk_PathName(entryPtr->core.tkwin), NULL);
+	    return TCL_ERROR;
+	}
+	if (strncmp(string, "sel.first", length) == 0) {
+	    *indexPtr = entryPtr->entry.selectFirst;
+	} else if (strncmp(string, "sel.last", length) == 0) {
+	    *indexPtr = entryPtr->entry.selectLast;
+	} else {
+	    goto badIndex;
+	}
+    } else if (string[0] == '@') {
+	int roundUp = 0;
+	int maxWidth = EntryWidth(entryPtr);
+	int x;
+
+	if (Tcl_GetInt(interp, string + 1, &x) != TCL_OK) {
+	    goto badIndex;
+	}
+	if (x > maxWidth) {
+	    x = maxWidth;
+	    roundUp = 1;
+	}
+	*indexPtr = Tk_PointToChar(entryPtr->entry.textLayout,
+		x - entryPtr->entry.layoutX, 0);
+
+	if (*indexPtr < entryPtr->entry.xscroll.first) {
+	    *indexPtr = entryPtr->entry.xscroll.first;
+	}
+
+	/*
+	 * Special trick:  if the x-position was off-screen to the right,
+	 * round the index up to refer to the character just after the
+	 * last visible one on the screen.  This is needed to enable the
+	 * last character to be selected, for example.
+	 */
+
+	if (roundUp && (*indexPtr < entryPtr->entry.numChars)) {
+	    *indexPtr += 1;
+	}
+    } else {
+	if (Tcl_GetInt(interp, string, indexPtr) != TCL_OK) {
+	    goto badIndex;
+	}
+	if (*indexPtr < 0) {
+	    *indexPtr = 0;
+	} else if (*indexPtr > entryPtr->entry.numChars) {
+	    *indexPtr = entryPtr->entry.numChars;
+	}
+    }
+    return TCL_OK;
+
+badIndex:
+    Tcl_ResetResult(interp);
+    Tcl_AppendResult(interp, "bad entry index \"", string, "\"", NULL);
+    return TCL_ERROR;
+}
+
+/* $entry bbox $index --
+ * 	Return the bounding box of the character at the specified index.
+ */
+static int
+EntryBBoxCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    Ttk_Box b;
+    int index;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "index");
+	return TCL_ERROR;
+    }
+    if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if ((index == entryPtr->entry.numChars) && (index > 0)) {
+	index--;
+    }
+    Tk_CharBbox(entryPtr->entry.textLayout, index, 
+	    &b.x, &b.y, &b.width, &b.height);
+    b.x += entryPtr->entry.layoutX;
+    b.y += entryPtr->entry.layoutY;
+    Tcl_SetObjResult(interp, Ttk_NewBoxObj(b));
+    return TCL_OK;
+}
+
+/* $entry delete $from ?$to? --
+ *	Delete the characters in the range [$from,$to).
+ *	$to defaults to $from+1 if not specified.
+ */
+static int
+EntryDeleteCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    int first, last;
+
+    if ((objc < 3) || (objc > 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "firstIndex ?lastIndex?");
+	return TCL_ERROR;
+    }
+    if (EntryIndex(interp, entryPtr, objv[2], &first) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (objc == 3) {
+	last = first + 1;
+    } else if (EntryIndex(interp, entryPtr, objv[3], &last) != TCL_OK) {
+	return TCL_ERROR;
+    }
+
+    if (last >= first && EntryEditable(entryPtr)) {
+	return DeleteChars(entryPtr, first, last - first);
+    }
+    return TCL_OK;
+}
+
+/* $entry get --
+ * 	Return the current value of the entry widget.
+ */
+static int
+EntryGetCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    if (objc != 2) {
+	Tcl_WrongNumArgs(interp, 2, objv, NULL);
+	return TCL_ERROR;
+    }
+    Tcl_SetResult(interp, entryPtr->entry.string, TCL_VOLATILE);
+    return TCL_OK;
+}
+
+/* $entry icursor $index --
+ * 	Set the insert cursor position.
+ */
+static int
+EntryICursorCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "pos");
+	return TCL_ERROR;
+    }
+    if (EntryIndex(interp, entryPtr, objv[2],
+	    &entryPtr->entry.insertPos) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    TtkRedisplayWidget(&entryPtr->core);
+    return TCL_OK;
+}
+
+/* $entry index $index --
+ * 	Return numeric value (0..numChars) of the specified index.
+ */
+static int
+EntryIndexCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    int index;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "string");
+	return TCL_ERROR;
+    }
+    if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
+    return TCL_OK;
+}
+
+/* $entry insert $index $text --
+ * 	Insert $text after position $index.
+ * 	Silent no-op if the entry is disabled or read-only.
+ */
+static int
+EntryInsertCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    int index;
+
+    if (objc != 4) {
+	Tcl_WrongNumArgs(interp, 2, objv, "index text");
+	return TCL_ERROR;
+    }
+    if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (EntryEditable(entryPtr)) {
+	return InsertChars(entryPtr, index, Tcl_GetString(objv[3]));
+    }
+    return TCL_OK;
+}
+
+/* selection clear --
+ * 	Clear selection.
+ */
+static int EntrySelectionClearCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 3, objv, NULL);
+	return TCL_ERROR;
+    }
+    entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
+    TtkRedisplayWidget(&entryPtr->core);
+    return TCL_OK;
+}
+
+/* $entry selection present --
+ * 	Returns 1 if any characters are selected, 0 otherwise.
+ */
+static int EntrySelectionPresentCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 3, objv, NULL);
+	return TCL_ERROR;
+    }
+    Tcl_SetObjResult(interp,
+	    Tcl_NewBooleanObj(entryPtr->entry.selectFirst >= 0));
+    return TCL_OK;
+}
+
+/* $entry selection range $start $end --
+ * 	Explicitly set the selection range.
+ */
+static int EntrySelectionRangeCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    int start, end;
+    if (objc != 5) {
+	Tcl_WrongNumArgs(interp, 3, objv, "start end");
+	return TCL_ERROR;
+    }
+    if (    EntryIndex(interp, entryPtr, objv[3], &start) != TCL_OK
+         || EntryIndex(interp, entryPtr, objv[4], &end) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    if (entryPtr->core.state & TTK_STATE_DISABLED) {
+	return TCL_OK;
+    }
+
+    if (start >= end) {
+	entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
+    } else {
+	entryPtr->entry.selectFirst = start;
+	entryPtr->entry.selectLast = end;
+	EntryOwnSelection(entryPtr);
+    }
+    TtkRedisplayWidget(&entryPtr->core);
+    return TCL_OK;
+}
+
+/* $entry selection $command ?arg arg...?
+ *	Ensemble, see above.
+ */
+static int EntrySelectionCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    static WidgetCommandSpec EntrySelectionCommands[] = {
+	{ "clear", EntrySelectionClearCommand },
+	{ "present", EntrySelectionPresentCommand },
+	{ "range", EntrySelectionRangeCommand },
+	{0,0}
+    };
+    return WidgetEnsembleCommand(
+	    EntrySelectionCommands, 2, interp, objc, objv, recordPtr);
+}
+
+/* $entry set $value
+ * 	Sets the value of an entry widget.
+ */
+static int EntrySetCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "value");
+	return TCL_ERROR;
+    }
+    EntrySetValue(entryPtr, Tcl_GetString(objv[2]));
+    return TCL_OK;
+}
+
+/* $entry validate --
+ * 	Trigger forced validation.  Returns 1/0 if validation succeeds/fails
+ * 	or error status from -validatecommand / -invalidcommand.
+ */
+static int EntryValidateCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    int code;
+
+    if (objc != 2) {
+	Tcl_WrongNumArgs(interp, 2, objv, NULL);
+	return TCL_ERROR;
+    }
+
+    code = EntryRevalidate(interp, entryPtr, VALIDATE_FORCED);
+
+    if (code == TCL_ERROR)
+	return code;
+
+    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(code == TCL_OK));
+    return TCL_OK;
+}
+
+/* $entry xview	-- horizontal scrolling interface
+ */
+static int EntryXViewCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Entry *entryPtr = recordPtr;
+    return ScrollviewCommand(interp, objc, objv, entryPtr->entry.xscrollHandle);
+}
+
+static WidgetCommandSpec EntryCommands[] =
+{
+    { "bbox", 		EntryBBoxCommand },
+    { "cget", 		WidgetCgetCommand },
+    { "configure", 	WidgetConfigureCommand },
+    { "delete", 	EntryDeleteCommand },
+    { "get", 		EntryGetCommand },
+    { "icursor", 	EntryICursorCommand },
+    { "identify",	WidgetIdentifyCommand },
+    { "index", 		EntryIndexCommand },
+    { "insert", 	EntryInsertCommand },
+    { "instate",	WidgetInstateCommand },
+    { "selection", 	EntrySelectionCommand },
+    { "state",  	WidgetStateCommand },
+    { "validate", 	EntryValidateCommand },
+    { "xview", 		EntryXViewCommand },
+    {0,0}
+};
+
+/*------------------------------------------------------------------------
+ * +++ Entry widget definition.
+ */
+
+WidgetSpec EntryWidgetSpec =
+{
+    "TEntry",			/* className */
+    sizeof(Entry), 		/* recordSize */
+    EntryOptionSpecs, 		/* optionSpecs */
+    EntryCommands,  		/* subcommands */
+    EntryInitialize,     	/* initializeProc */
+    EntryCleanup,		/* cleanupProc */
+    EntryConfigure,		/* configureProc */
+    EntryPostConfigure,  	/* postConfigureProc */
+    WidgetGetLayout, 		/* getLayoutProc */
+    WidgetSize, 		/* sizeProc */
+    EntryDoLayout,		/* layoutProc */
+    EntryDisplay		/* displayProc */
+};
+
+/*------------------------------------------------------------------------
+ * +++ Combobox widget record.
+ */
+
+typedef struct {
+    Tcl_Obj	*postCommandObj;
+    Tcl_Obj	*valuesObj;
+    int 	currentIndex;
+} ComboboxPart;
+
+typedef struct {
+    WidgetCore core;
+    EntryPart entry;
+    ComboboxPart combobox;
+} Combobox;
+
+static Tk_OptionSpec ComboboxOptionSpecs[] =
+{
+    {TK_OPTION_STRING, "-postcommand", "postCommand", "PostCommand",
+        "", Tk_Offset(Combobox, combobox.postCommandObj), -1,
+	0,0,0 },
+    {TK_OPTION_STRING, "-values", "values", "Values",
+        "", Tk_Offset(Combobox, combobox.valuesObj), -1,
+	0,0,0 },
+    WIDGET_INHERIT_OPTIONS(EntryOptionSpecs)
+};
+
+/* ComboboxInitialize --
+ * 	Initialization hook for combobox widgets.
+ */
+static int
+ComboboxInitialize(Tcl_Interp *interp, void *recordPtr)
+{
+    Combobox *cb = recordPtr;
+    cb->combobox.currentIndex = -1;
+    TrackElementState(&cb->core);
+    return EntryInitialize(interp, recordPtr);
+}
+
+/* ComboboxConfigure --
+ * 	Configuration hook for combobox widgets.
+ */
+static int
+ComboboxConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
+{
+    Combobox *cbPtr = recordPtr;
+    int unused;
+
+    /* Make sure -values is a valid list:
+     */
+    if (Tcl_ListObjLength(interp,cbPtr->combobox.valuesObj,&unused) != TCL_OK)
+	return TCL_ERROR;
+
+    return EntryConfigure(interp, recordPtr, mask);
+}
+
+/* $cb current ?newIndex? -- get or set current index.
+ * 	Setting the current index updates the combobox value,
+ * 	but the value and -values may be changed independently
+ * 	of the index.  Instead of trying to keep currentIndex
+ * 	in sync at all times, [$cb current] double-checks 
+ */
+static int ComboboxCurrentCommand(
+    Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr)
+{
+    Combobox *cbPtr = recordPtr;
+    int currentIndex = cbPtr->combobox.currentIndex;
+    const char *currentValue = cbPtr->entry.string;
+    int nValues;
+    Tcl_Obj **values;
+
+    Tcl_ListObjGetElements(interp,cbPtr->combobox.valuesObj,&nValues,&values);
+
+    if (objc == 2) {
+	/* Check if currentIndex still valid:
+	 */
+	if (    currentIndex < 0 
+	     || currentIndex >= nValues
+	     || strcmp(currentValue,Tcl_GetString(values[currentIndex]))
+	   )
+	{
+	    /* Not valid.  Check current value against each element in -values:
+	     */
+	    for (currentIndex = 0; currentIndex < nValues; ++currentIndex) {
+		if (!strcmp(currentValue,Tcl_GetString(values[currentIndex]))) {
+		    break;
+		}
+	    }
+	    if (currentIndex >= nValues) {
+		/* Not found */
+		currentIndex = -1;
+	    }
+	}
+	cbPtr->combobox.currentIndex = currentIndex;
+	Tcl_SetObjResult(interp, Tcl_NewIntObj(currentIndex));
+	return TCL_OK;
+    } else if (objc == 3) {
+	if (Tcl_GetIntFromObj(interp, objv[2], &currentIndex) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (currentIndex < 0 || currentIndex >= nValues) {
+	    Tcl_AppendResult(interp, 
+		    "Index ", Tcl_GetString(objv[2]), " out of range",
+		    NULL);
+	    return TCL_ERROR;
+	}
+
+	cbPtr->combobox.currentIndex = currentIndex;
+
+	return EntrySetValue(recordPtr, Tcl_GetString(values[currentIndex]));
+    } else {
+	Tcl_WrongNumArgs(interp, 2, objv, "?newIndex?");
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+/*------------------------------------------------------------------------
+ * +++ Combobox widget definition.
+ */
+static WidgetCommandSpec ComboboxCommands[] =
+{
+    { "bbox", 		EntryBBoxCommand },
+    { "cget", 		WidgetCgetCommand },
+    { "configure", 	WidgetConfigureCommand },
+    { "current", 	ComboboxCurrentCommand },
+    { "delete", 	EntryDeleteCommand },
+    { "get", 		EntryGetCommand },
+    { "icursor", 	EntryICursorCommand },
+    { "identify",	WidgetIdentifyCommand },
+    { "index", 		EntryIndexCommand },
+    { "insert", 	EntryInsertCommand },
+    { "instate",	WidgetInstateCommand },
+    { "selection", 	EntrySelectionCommand },
+    { "state",  	WidgetStateCommand },
+    { "set", 		EntrySetCommand },
+    { "xview", 		EntryXViewCommand },
+    {0,0}
+};
+
+WidgetSpec ComboboxWidgetSpec =
+{
+    "TCombobox",		/* className */
+    sizeof(Combobox), 		/* recordSize */
+    ComboboxOptionSpecs,	/* optionSpecs */
+    ComboboxCommands,  		/* subcommands */
+    ComboboxInitialize,     	/* initializeProc */
+    EntryCleanup,		/* cleanupProc */
+    ComboboxConfigure,		/* configureProc */
+    EntryPostConfigure,  	/* postConfigureProc */
+    WidgetGetLayout, 		/* getLayoutProc */
+    WidgetSize, 		/* sizeProc */
+    EntryDoLayout,		/* layoutProc */
+    EntryDisplay		/* displayProc */
+};
+
+/*------------------------------------------------------------------------
+ * +++ Textarea element.
+ *
+ * Text display area for Entry widgets.
+ * Just computes requested size; display is handled by the widget itself.
+ */
+
+typedef struct {
+    Tcl_Obj	*fontObj;
+    Tcl_Obj	*widthObj;
+} TextareaElement;
+
+static Ttk_ElementOptionSpec TextareaElementOptions[] = {
+    { "-font", TK_OPTION_FONT,
+	Tk_Offset(TextareaElement,fontObj), DEF_ENTRY_FONT },
+    { "-width", TK_OPTION_INT,
+	Tk_Offset(TextareaElement,widthObj), "20" },
+    {0,0,0}
+};
+
+static void TextareaElementGeometry(
+    void *clientData, void *elementRecord, Tk_Window tkwin,
+    int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+    TextareaElement *textarea = elementRecord;
+    Tk_Font font = Tk_GetFontFromObj(tkwin, textarea->fontObj);
+    int avgWidth = Tk_TextWidth(font, "0", 1);
+    Tk_FontMetrics fm;
+    int prefWidth = 1;
+
+    Tk_GetFontMetrics(font, &fm);
+    Tcl_GetIntFromObj(NULL, textarea->widthObj, &prefWidth);
+    if (prefWidth <= 0)
+	prefWidth = 1;
+
+    *heightPtr = fm.linespace;
+    *widthPtr = prefWidth * avgWidth;
+}
+
+static Ttk_ElementSpec TextareaElementSpec = {
+    TK_STYLE_VERSION_2,
+    sizeof(TextareaElement),
+    TextareaElementOptions,
+    TextareaElementGeometry,
+    NullElementDraw
+};
+
+TTK_BEGIN_LAYOUT(EntryLayout)
+    TTK_GROUP("Entry.field", TTK_FILL_BOTH|TTK_BORDER,
+	TTK_GROUP("Entry.padding", TTK_FILL_BOTH,
+	    TTK_NODE("Entry.textarea", TTK_FILL_BOTH)))
+TTK_END_LAYOUT
+
+TTK_BEGIN_LAYOUT(ComboboxLayout)
+    TTK_GROUP("Combobox.field", TTK_FILL_BOTH,
+	TTK_NODE("Combobox.downarrow", TTK_PACK_RIGHT|TTK_FILL_Y)
+	TTK_GROUP("Combobox.padding", TTK_FILL_BOTH|TTK_PACK_LEFT|TTK_EXPAND,
+	    TTK_NODE("Combobox.textarea", TTK_FILL_BOTH)))
+TTK_END_LAYOUT
+
+/* EntryWidget_Init --
+ * 	Register entry-based widgets and related resources.
+ */
+int EntryWidget_Init(Tcl_Interp *interp)
+{
+    Ttk_Theme themePtr =  Ttk_GetDefaultTheme(interp);
+
+    Ttk_RegisterElement(interp, themePtr, "textarea", &TextareaElementSpec, 0);
+
+    Ttk_RegisterLayout(themePtr, "TEntry", EntryLayout);
+    Ttk_RegisterLayout(themePtr, "TCombobox", ComboboxLayout);
+
+    RegisterWidget(interp, "ttk::entry", &EntryWidgetSpec);
+    RegisterWidget(interp, "ttk::combobox", &ComboboxWidgetSpec);
+
+    return TCL_OK;
+}
+
+/*EOF*/