Tk Source Code

    borderPtr->colormap = Tk_Colormap(tkwin);
    borderPtr->resourceRefCount = 1;
    borderPtr->objRefCount = 0;
    borderPtr->bgColorPtr = bgColorPtr;
    borderPtr->darkColorPtr = NULL;
    borderPtr->lightColorPtr = NULL;
    borderPtr->shadow = None;
    borderPtr->bgGC = None;
    borderPtr->darkGC = None;
    borderPtr->lightGC = None;
    borderPtr->bgGC = NULL;
    borderPtr->darkGC = NULL;
    borderPtr->lightGC = NULL;
    borderPtr->hashPtr = hashPtr;
    borderPtr->nextPtr = existingBorderPtr;
    Tcl_SetHashValue(hashPtr, borderPtr);

    /*
     * Create the information for displaying the background color, but delay
     * the allocation of shadows until they are actually needed for drawing.

    Tcl_Panic("bogus \"which\" value in Tk_3DBorderGC");

    /*
     * The code below will never be executed, but it's needed to keep
     * compilers happy.
     */

    return (GC) None;
    return NULL;
}

/*
 *--------------------------------------------------------------
 *
 * Tk_Free3DBorder --
 *

				 * yet. */
    Pixmap shadow;		/* Stipple pattern to use for drawing shadows
				 * areas. Used for displays with <= 64 colors
				 * or where colormap has filled up. */
    GC bgGC;			/* Used (if necessary) to draw areas in the
				 * background color. */
    GC darkGC;			/* Used to draw darker parts of the border.
				 * None means the shadow colors haven't been
				 * NULL means the shadow colors haven't been
				 * allocated yet.*/
    GC lightGC;			/* Used to draw lighter parts of the border.
				 * None means the shadow colors haven't been
				 * NULL means the shadow colors haven't been
				 * allocated yet. */
    Tcl_HashEntry *hashPtr;	/* Entry in borderTable (needed in order to
				 * delete structure). */
    struct TkBorder *nextPtr;	/* Points to the next TkBorder structure with
				 * the same color name. Borders with the same
				 * name but different screens or colormaps are
				 * chained together off a single entry in

 */
static void
DoWarp(
    ClientData clientData)
{
    TkDisplay *dispPtr = (TkDisplay *) clientData;

    XWarpPointer(dispPtr->display, (Window) None, (Window) dispPtr->warpWindow,
    XWarpPointer(dispPtr->display, None, (Window) dispPtr->warpWindow,
	    0, 0, 0, 0, (int) dispPtr->warpX, (int) dispPtr->warpY);
    XForceScreenSaver(dispPtr->display, ScreenSaverReset);
    dispPtr->flags &= ~TK_DISPLAY_IN_WARP;
}

/*
 *-------------------------------------------------------------------------

    butPtr->highlightBorder = NULL;
    butPtr->highlightColorPtr = NULL;
    butPtr->inset = 0;
    butPtr->tkfont = NULL;
    butPtr->normalFg = NULL;
    butPtr->activeFg = NULL;
    butPtr->disabledFg = NULL;
    butPtr->normalTextGC = None;
    butPtr->activeTextGC = None;
    butPtr->disabledGC = None;
    butPtr->stippleGC = None;
    butPtr->normalTextGC = NULL;
    butPtr->activeTextGC = NULL;
    butPtr->disabledGC = NULL;
    butPtr->stippleGC = NULL;
    butPtr->gray = None;
    butPtr->copyGC = None;
    butPtr->copyGC = NULL;
    butPtr->widthPtr = NULL;
    butPtr->width = 0;
    butPtr->heightPtr = NULL;
    butPtr->height = 0;
    butPtr->wrapLengthPtr = NULL;
    butPtr->wrapLength = 0;
    butPtr->padXPtr = NULL;

    butPtr->indicatorSpace = 0;
    butPtr->indicatorDiameter = 0;
    butPtr->defaultState = DEFAULT_DISABLED;
    butPtr->selVarNamePtr = NULL;
    butPtr->onValuePtr = NULL;
    butPtr->offValuePtr = NULL;
    butPtr->tristateValuePtr = NULL;
    butPtr->cursor = None;
    butPtr->cursor = NULL;
    butPtr->takeFocusPtr = NULL;
    butPtr->commandPtr = NULL;
    butPtr->flags = 0;

    Tk_CreateEventHandler(butPtr->tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    ButtonEventProc, (ClientData) butPtr);

				 * mode when variable matches this value.
				 * Used by check- buttons. */

    /*
     * Miscellaneous information:
     */

    Tk_Cursor cursor;		/* Value of -cursor option: if not None,
    Tk_Cursor cursor;		/* Value of -cursor option: if not NULL,
				 * specifies current cursor for window. */
    Tcl_Obj *takeFocusPtr;	/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. */
    Tcl_Obj *commandPtr;	/* Value of -command option: specifies script
				 * to execute when button is invoked. If
				 * widget is label or has no command, this is

    arcPtr->fillColor = NULL;
    arcPtr->activeFillColor = NULL;
    arcPtr->disabledFillColor = NULL;
    arcPtr->fillStipple = None;
    arcPtr->activeFillStipple = None;
    arcPtr->disabledFillStipple = None;
    arcPtr->style = PIESLICE_STYLE;
    arcPtr->fillGC = None;
    arcPtr->fillGC = NULL;

    /*
     * Process the arguments to fill in the item record.
     */

    for (i = 1; i < objc; i++) {
	char *arg = Tcl_GetString(objv[i]);

    mask = Tk_ConfigOutlineGC(&gcValues, canvas, itemPtr, &(arcPtr->outline));
    if (mask) {
	gcValues.cap_style = CapButt;
	mask |= GCCapStyle;
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    } else {
	newGC = None;
	newGC = NULL;
    }
    if (arcPtr->outline.gc != None) {
	Tk_FreeGC(Tk_Display(tkwin), arcPtr->outline.gc);
    }
    arcPtr->outline.gc = newGC;

    if(state == TK_STATE_NULL) {

	}
	if (arcPtr->disabledFillStipple!=None) {
	    stipple = arcPtr->disabledFillStipple;
	}
      }

    if (arcPtr->style == ARC_STYLE) {
	newGC = None;
	newGC = NULL;
    } else if (color == NULL) {
	newGC = None;
	newGC = NULL;
    } else {
	gcValues.foreground = color->pixel;
	if (arcPtr->style == CHORD_STYLE) {
	    gcValues.arc_mode = ArcChord;
	} else {
	    gcValues.arc_mode = ArcPieSlice;
	}

			cx, cy, x1, y1);
		XDrawLine(display, drawable, arcPtr->outline.gc,
			cx, cy, x2, y2);
	    }
	} else {
	    if (arcPtr->style == CHORD_STYLE) {
		TkFillPolygon(canvas, arcPtr->outlinePtr, CHORD_OUTLINE_PTS,
			display, drawable, arcPtr->outline.gc, None);
			display, drawable, arcPtr->outline.gc, NULL);
	    } else if (arcPtr->style == PIESLICE_STYLE) {
		TkFillPolygon(canvas, arcPtr->outlinePtr, PIE_OUTLINE1_PTS,
			display, drawable, arcPtr->outline.gc, None);
			display, drawable, arcPtr->outline.gc, NULL);
		TkFillPolygon(canvas, arcPtr->outlinePtr + 2*PIE_OUTLINE1_PTS,
			PIE_OUTLINE2_PTS, display, drawable,
			arcPtr->outline.gc, None);
			arcPtr->outline.gc, NULL);
	    }
	}

	Tk_ResetOutlineGC(canvas, itemPtr, &(arcPtr->outline));
    }
}


    bmapPtr->disabledBitmap = None;
    bmapPtr->fgColor = NULL;
    bmapPtr->activeFgColor = NULL;
    bmapPtr->disabledFgColor = NULL;
    bmapPtr->bgColor = NULL;
    bmapPtr->activeBgColor = NULL;
    bmapPtr->disabledBgColor = NULL;
    bmapPtr->gc = None;
    bmapPtr->gc = NULL;

    /*
     * Process the arguments to fill in the item record. Only 1 (list) or 2 (x
     * y) coords are allowed.
     */

    if (objc == 1) {

	}
	if (bmapPtr->disabledBitmap!=None) {
	    bitmap = bmapPtr->disabledBitmap;
	}
    }

    if (bitmap == None) {
	newGC = None;
	newGC = NULL;
    } else {
	gcValues.foreground = fgColor->pixel;
	mask = GCForeground;
	if (bgColor != NULL) {
	    gcValues.background = bgColor->pixel;
	    mask |= GCBackground;
	} else {

    Tk_CreateOutline(&(linePtr->outline));
    linePtr->canvas = canvas;
    linePtr->numPoints = 0;
    linePtr->coordPtr = NULL;
    linePtr->capStyle = CapButt;
    linePtr->joinStyle = JoinRound;
    linePtr->arrowGC = None;
    linePtr->arrowGC = NULL;
    linePtr->arrow = ARROWS_NONE;
    linePtr->arrowShapeA = (float)8.0;
    linePtr->arrowShapeB = (float)10.0;
    linePtr->arrowShapeC = (float)3.0;
    linePtr->firstArrowPtr = NULL;
    linePtr->lastArrowPtr = NULL;
    linePtr->smooth = NULL;

	 */
	mask |= GCLineWidth;
#else
	gcValues.line_width = 0;
#endif
	arrowGC = Tk_GetGC(tkwin, mask, &gcValues);
    } else {
	newGC = arrowGC = None;
	newGC = arrowGC = NULL;
    }
    if (linePtr->outline.gc != None) {
	Tk_FreeGC(Tk_Display(tkwin), linePtr->outline.gc);
    }
    if (linePtr->arrowGC != None) {
	Tk_FreeGC(Tk_Display(tkwin), linePtr->arrowGC);
    }

    Tk_Canvas canvas,		/* Information about overall canvas. */
    Tk_Item *itemPtr,		/* Item for which Postscript is wanted. */
    int prepass)		/* 1 means this is a prepass to collect font
				 * information; 0 means final Postscript is
				 * being created. */
{
    LineItem *linePtr = (LineItem *) itemPtr;
    char buffer[64 + TCL_INTEGER_SPACE];
    char buffer[64 + 4*TCL_INTEGER_SPACE];
    char *style;

    double width;
    XColor *color;
    Pixmap stipple;
    Tk_State state = itemPtr->state;

    polyPtr->tsoffset.yoffset = 0;
    polyPtr->fillColor = NULL;
    polyPtr->activeFillColor = NULL;
    polyPtr->disabledFillColor = NULL;
    polyPtr->fillStipple = None;
    polyPtr->activeFillStipple = None;
    polyPtr->disabledFillStipple = None;
    polyPtr->fillGC = None;
    polyPtr->fillGC = NULL;
    polyPtr->smooth = NULL;
    polyPtr->splineSteps = 12;
    polyPtr->autoClosed = 0;

    /*
     * Count the number of points and then parse them into a point array.
     * Leading arguments are assumed to be points if they start with a digit

    mask = Tk_ConfigOutlineGC(&gcValues, canvas, itemPtr, &(polyPtr->outline));
    if (mask) {
	gcValues.cap_style = CapRound;
	gcValues.join_style = polyPtr->joinStyle;
	mask |= GCCapStyle|GCJoinStyle;
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    } else {
	newGC = None;
	newGC = NULL;
    }
    if (polyPtr->outline.gc != None) {
	Tk_FreeGC(Tk_Display(tkwin), polyPtr->outline.gc);
    }
    polyPtr->outline.gc = newGC;

    color = polyPtr->fillColor;

	}
	if (polyPtr->disabledFillStipple!=None) {
	    stipple = polyPtr->disabledFillStipple;
	}
    }

    if (color == NULL) {
	newGC = None;
	newGC = NULL;
    } else {
	gcValues.foreground = color->pixel;
	mask = GCForeground;
	if (stipple != None) {
	    gcValues.stipple = stipple;
	    gcValues.fill_style = FillStippled;
	    mask |= GCStipple|GCFillStyle;

    textPtr->underline	= -1;

    textPtr->numChars	= 0;
    textPtr->numBytes	= 0;
    textPtr->textLayout = NULL;
    textPtr->leftEdge	= 0;
    textPtr->rightEdge	= 0;
    textPtr->gc		= None;
    textPtr->selTextGC	= None;
    textPtr->cursorOffGC = None;
    textPtr->gc		= NULL;
    textPtr->selTextGC	= NULL;
    textPtr->cursorOffGC = NULL;

    /*
     * Process the arguments to fill in the item record. Only 1 (list) or 2 (x
     * y) coords are allowed.
     */

    if (objc == 1) {

	    color = textPtr->disabledColor;
	}
	if (textPtr->disabledStipple!=None) {
	    stipple = textPtr->disabledStipple;
	}
    }

    newGC = newSelGC = None;
    newGC = newSelGC = NULL;
    if (textPtr->tkfont != NULL) {
	gcValues.font = Tk_FontId(textPtr->tkfont);
	mask = GCFont;
	if (color != NULL) {
	    gcValues.foreground = color->pixel;
	    mask |= GCForeground;
	    if (stipple != None) {

	if (selBgColorPtr->pixel == BlackPixelOfScreen(Tk_Screen(tkwin))) {
	    gcValues.foreground = WhitePixelOfScreen(Tk_Screen(tkwin));
	} else {
	    gcValues.foreground = BlackPixelOfScreen(Tk_Screen(tkwin));
	}
	newGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
    } else {
	newGC = None;
	newGC = NULL;
    }
    if (textPtr->cursorOffGC != None) {
	Tk_FreeGC(Tk_Display(tkwin), textPtr->cursorOffGC);
    }
    textPtr->cursorOffGC = newGC;

 *--------------------------------------------------------------
 */

void
Tk_CreateOutline(
    Tk_Outline *outline)	/* Outline structure to be filled in. */
{
    outline->gc = None;
    outline->gc = NULL;
    outline->width = 1.0;
    outline->activeWidth = 0.0;
    outline->disabledWidth = 0.0;
    outline->offset = 0;
    outline->dash.number = 0;
    outline->activeDash.number = 0;
    outline->disabledDash.number = 0;

    canvasPtr->borderWidth = 0;
    canvasPtr->bgBorder = NULL;
    canvasPtr->relief = TK_RELIEF_FLAT;
    canvasPtr->highlightWidth = 0;
    canvasPtr->highlightBgColorPtr = NULL;
    canvasPtr->highlightColorPtr = NULL;
    canvasPtr->inset = 0;
    canvasPtr->pixmapGC = None;
    canvasPtr->pixmapGC = NULL;
    canvasPtr->width = None;
    canvasPtr->height = None;
    canvasPtr->confine = 0;
    canvasPtr->textInfo.selBorder = NULL;
    canvasPtr->textInfo.selBorderWidth = 0;
    canvasPtr->textInfo.selFgColorPtr = NULL;
    canvasPtr->textInfo.selItemPtr = NULL;

    canvasPtr->yScrollIncrement = 0;
    canvasPtr->scanX = 0;
    canvasPtr->scanXOrigin = 0;
    canvasPtr->scanY = 0;
    canvasPtr->scanYOrigin = 0;
    canvasPtr->hotPtr = NULL;
    canvasPtr->hotPrevPtr = NULL;
    canvasPtr->cursor = None;
    canvasPtr->cursor = NULL;
    canvasPtr->takeFocus = NULL;
    canvasPtr->pixelsPerMM = WidthOfScreen(Tk_Screen(newWin));
    canvasPtr->pixelsPerMM /= WidthMMOfScreen(Tk_Screen(newWin));
    canvasPtr->flags = 0;
    canvasPtr->nextId = 1;
    canvasPtr->psInfo = NULL;
    canvasPtr->canvas_state = TK_STATE_NORMAL;

				 * a hint and may not really be hotPtr's
				 * predecessor. */

    /*
     * Miscellaneous information:
     */

    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    char *takeFocus;		/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. Malloc'ed, but may be NULL. */
    double pixelsPerMM;		/* Scale factor between MM and pixels; used
				 * when converting coordinates. */
    int flags;			/* Various flags; see below for
				 * definitions. */

    /*
     * Now create a new TkColor structure and add it to colorNameTable (in
     * TkDisplay).
     */

    tkColPtr->magic = COLOR_MAGIC;
    tkColPtr->gc = None;
    tkColPtr->gc = NULL;
    tkColPtr->screen = Tk_Screen(tkwin);
    tkColPtr->colormap = Tk_Colormap(tkwin);
    tkColPtr->visual = Tk_Visual(tkwin);
    tkColPtr->resourceRefCount = 1;
    tkColPtr->objRefCount = 0;
    tkColPtr->type = TK_COLOR_BY_NAME;
    tkColPtr->hashPtr = nameHashPtr;

    /*
     * The name isn't currently known. Find a pixel value for this color and
     * add a new structure to colorValueTable (in TkDisplay).
     */

    tkColPtr = TkpGetColorByValue(tkwin, colorPtr);
    tkColPtr->magic = COLOR_MAGIC;
    tkColPtr->gc = None;
    tkColPtr->gc = NULL;
    tkColPtr->screen = Tk_Screen(tkwin);
    tkColPtr->colormap = valueKey.colormap;
    tkColPtr->visual = Tk_Visual(tkwin);
    tkColPtr->resourceRefCount = 1;
    tkColPtr->objRefCount = 0;
    tkColPtr->type = TK_COLOR_BY_VALUE;
    tkColPtr->hashPtr = valueHashPtr;

     * This color is no longer being actively used, so free the color
     * resources associated with it and remove it from the hash table. No
     * longer any objects referencing it.
     */

    if (tkColPtr->gc != None) {
	XFreeGC(DisplayOfScreen(screen), tkColPtr->gc);
	tkColPtr->gc = None;
	tkColPtr->gc = NULL;
    }
    TkpFreeColor(tkColPtr);

    prevPtr = Tcl_GetHashValue(tkColPtr->hashPtr);
    if (prevPtr == tkColPtr) {
	if (tkColPtr->nextPtr == NULL) {
	    Tcl_DeleteHashEntry(tkColPtr->hashPtr);

typedef struct TkColor {
    XColor color;		/* Information about this color. */
    unsigned int magic;		/* Used for quick integrity check on this
				 * structure. Must always have the value
				 * COLOR_MAGIC. */
    GC gc;			/* Simple gc with this color as foreground
				 * color and all other fields defaulted. May
				 * be None. */
				 * be NULL. */
    Screen *screen;		/* Screen where this color is valid. Used to
				 * delete it, and to find its display. */
    Colormap colormap;		/* Colormap from which this entry was
				 * allocated. */
    Visual *visual;		/* Visual associated with colormap. */
    int resourceRefCount;	/* Number of active uses of this color (each
				 * active use corresponds to a call to

	}
	break;
    }
    case TK_OPTION_CURSOR: {
	Tk_Cursor newCursor;

	if (nullOK && ObjectIsEmpty(valuePtr)) {
	    newCursor = None;
	    newCursor = NULL;
	    valuePtr = NULL;
	} else {
	    newCursor = Tk_AllocCursorFromObj(interp, tkwin, valuePtr);
	    if (newCursor == None) {
		return TCL_ERROR;
	    }
	}

	break;
    }
    case TK_OPTION_WINDOW: {
	Tk_Window newWin;

	if (nullOK && ObjectIsEmpty(valuePtr)) {
	    valuePtr = NULL;
	    newWin = None;
	    newWin = NULL;
	} else {
	    if (TkGetWindowFromObj(interp, tkwin, valuePtr,
		    &newWin) != TCL_OK) {
		return TCL_ERROR;
	    }
	}
	if (internalPtr != NULL) {

	    Tk_Free3DBorderFromObj(tkwin, objPtr);
	}
	break;
    case TK_OPTION_CURSOR:
	if (internalFormExists) {
	    if (*((Tk_Cursor *) internalPtr) != None) {
		Tk_FreeCursor(Tk_Display(tkwin), *((Tk_Cursor *) internalPtr));
		*((Tk_Cursor *) internalPtr) = None;
		*((Tk_Cursor *) internalPtr) = NULL;
	    }
	} else if (objPtr != NULL) {
	    Tk_FreeCursorFromObj(tkwin, objPtr);
	}
	break;
    case TK_OPTION_CUSTOM: {
	Tk_ObjCustomOption *custom = optionPtr->extra.custom;

    /*
     * Still no luck. Call TkcGetCursor to allocate a new TkCursor object.
     */

    cursorPtr = TkcGetCursor(interp, tkwin, Tcl_GetString(objPtr));
    objPtr->internalRep.twoPtrValue.ptr1 = (void *) cursorPtr;
    if (cursorPtr == NULL) {
	return None;
	return NULL;
    }
    cursorPtr->objRefCount++;
    return cursorPtr->cursor;
}

/*
 *----------------------------------------------------------------------

    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
    Tk_Window tkwin,		/* Window in which cursor will be used. */
    Tk_Uid string)		/* Description of cursor. See manual entry for
				 * details on legal syntax. */
{
    TkCursor *cursorPtr = TkcGetCursor(interp, tkwin, string);
    if (cursorPtr == NULL) {
	return None;
	return NULL;
    }
    return cursorPtr->cursor;
}

/*
 *----------------------------------------------------------------------
 *

    }
    Tcl_SetHashValue(dataHashPtr, cursorPtr);
    Tcl_SetHashValue(cursorPtr->idHashPtr, cursorPtr);
    return cursorPtr->cursor;

  error:
    Tcl_DeleteHashEntry(dataHashPtr);
    return None;
    return NULL;
}

/*
 *--------------------------------------------------------------
 *
 * Tk_NameOfCursor --
 *

    entryPtr->type		= TK_ENTRY;
    tmp				= (char *) ckalloc(1);
    tmp[0]			= '\0';
    entryPtr->string		= tmp;
    entryPtr->selectFirst	= -1;
    entryPtr->selectLast	= -1;

    entryPtr->cursor		= None;
    entryPtr->cursor		= NULL;
    entryPtr->exportSelection	= 1;
    entryPtr->justify		= TK_JUSTIFY_LEFT;
    entryPtr->relief		= TK_RELIEF_FLAT;
    entryPtr->state		= STATE_NORMAL;
    entryPtr->displayString	= entryPtr->string;
    entryPtr->inset		= XPAD;
    entryPtr->textGC		= None;
    entryPtr->selTextGC		= None;
    entryPtr->highlightGC	= None;
    entryPtr->textGC		= NULL;
    entryPtr->selTextGC		= NULL;
    entryPtr->highlightGC	= NULL;
    entryPtr->avgWidth		= 1;
    entryPtr->validate		= VALIDATE_NONE;

    /*
     * Keep a hold of the associated tkwin until we destroy the entry,
     * otherwise Tk might free it while we still need it.
     */

 */

static void
EntryWorldChanged(
    ClientData instanceData)	/* Information about widget. */
{
    XGCValues gcValues;
    GC gc = None;
    GC gc = NULL;
    unsigned long mask;
    Tk_3DBorder border;
    XColor *colorPtr;
    Entry *entryPtr = (Entry *) instanceData;

    entryPtr->avgWidth = Tk_TextWidth(entryPtr->tkfont, "0", 1);
    if (entryPtr->avgWidth == 0) {

	    sbPtr->curElement = elem;
	    if (elem == SEL_ENTRY) {
		cursor = entryPtr->cursor;
	    } else if ((elem == SEL_BUTTONDOWN) || (elem == SEL_BUTTONUP)) {
		cursor = sbPtr->bCursor;
	    } else {
		cursor = None;
		cursor = NULL;
	    }
	    if (cursor != None) {
		Tk_DefineCursor(entryPtr->tkwin, cursor);
	    } else {
		Tk_UndefineCursor(entryPtr->tkwin);
	    }
	}

    entryPtr->type		= TK_SPINBOX;
    tmp				= (char *) ckalloc(1);
    tmp[0]			= '\0';
    entryPtr->string		= tmp;
    entryPtr->selectFirst	= -1;
    entryPtr->selectLast	= -1;

    entryPtr->cursor		= None;
    entryPtr->cursor		= NULL;
    entryPtr->exportSelection	= 1;
    entryPtr->justify		= TK_JUSTIFY_LEFT;
    entryPtr->relief		= TK_RELIEF_FLAT;
    entryPtr->state		= STATE_NORMAL;
    entryPtr->displayString	= entryPtr->string;
    entryPtr->inset		= XPAD;
    entryPtr->textGC		= None;
    entryPtr->selTextGC		= None;
    entryPtr->highlightGC	= None;
    entryPtr->textGC		= NULL;
    entryPtr->selTextGC		= NULL;
    entryPtr->highlightGC	= NULL;
    entryPtr->avgWidth		= 1;
    entryPtr->validate		= VALIDATE_NONE;

    sbPtr->selElement		= SEL_NONE;
    sbPtr->curElement		= SEL_NONE;
    sbPtr->bCursor		= None;
    sbPtr->bCursor		= NULL;
    sbPtr->repeatDelay		= 400;
    sbPtr->repeatInterval	= 100;
    sbPtr->fromValue		= 0.0;
    sbPtr->toValue		= 100.0;
    sbPtr->increment		= 1.0;
    sbPtr->formatBuf		= (char *) ckalloc(TCL_DOUBLE_SPACE);
    sbPtr->bdRelief		= TK_RELIEF_FLAT;

    Tk_3DBorder disabledBorder;	/* Used for drawing border around whole window
				 * in disabled state, plus used for
				 * background. */
    Tk_3DBorder readonlyBorder;	/* Used for drawing border around whole window
				 * in readonly state, plus used for
				 * background. */
    int borderWidth;		/* Width of 3-D border around window. */
    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    int exportSelection;	/* Non-zero means tie internal entry selection
				 * to X selection. */
    Tk_Font tkfont;		/* Information about text font, or NULL. */
    XColor *fgColorPtr;		/* Text color in normal mode. */
    XColor *dfgColorPtr;	/* Text color in disabled mode. */
    XColor *highlightBgColorPtr;/* Color for drawing traversal highlight area
				 * when highlight is off. */

    /*
     * Spinbox specific configuration settings.
     */

    Tk_3DBorder activeBorder;	/* Used for drawing border around active
				 * buttons. */
    Tk_3DBorder buttonBorder;	/* Used for drawing border around buttons. */
    Tk_Cursor bCursor;		/* cursor for buttons, or None. */
    Tk_Cursor bCursor;		/* cursor for buttons, or NULL. */
    int bdRelief;		/* 3-D effect: TK_RELIEF_RAISED, etc. */
    int buRelief;		/* 3-D effect: TK_RELIEF_RAISED, etc. */
    char *command;		/* Command to invoke for spin buttons. NULL
				 * means no command to issue. */

    /*
     * Spinbox specific fields for use with configuration settings above.

				 * multiple of this value. */
    char *formatBuf;		/* string into which to format value.
				 * Malloc'ed. */
    char *reqFormat;		/* Sprintf conversion specifier used for the
				 * value that the users requests. Malloc'ed */
    char *valueFormat;		/* Sprintf conversion specifier used for the
				 * value. */
    char digitFormat[10];	/* Sprintf conversion specifier computed from
    char digitFormat[16];	/* Sprintf conversion specifier computed from
				 * digits and other information; used for the
				 * value. */

    char *valueStr;		/* Values List. Malloc'ed. */
    Tcl_Obj *listObj;		/* Pointer to the list object being used */
    int eIndex;			/* Holds the current index into elements */
    int nElements;		/* Holds the current count of elements */

	winPtr->handlerList = handlerPtr->nextPtr;
	for (ipPtr = tsdPtr->pendingPtr; ipPtr != NULL;
		ipPtr = ipPtr->nextPtr) {
	    if (ipPtr->nextHandler == handlerPtr) {
		ipPtr->nextHandler = NULL;
	    }
	    if (ipPtr->winPtr == winPtr) {
		ipPtr->winPtr = None;
		ipPtr->winPtr = NULL;
	    }
	}
	ckfree((char *) handlerPtr);
    }
}

/*

    framePtr->widgetCmd		= Tcl_CreateObjCommand(interp,
	    Tk_PathName(newWin), FrameWidgetObjCmd,
	    (ClientData) framePtr, FrameCmdDeletedProc);
    framePtr->optionTable = optionTable;
    framePtr->type = type;
    framePtr->colormap = colormap;
    framePtr->relief = TK_RELIEF_FLAT;
    framePtr->cursor = None;
    framePtr->cursor = NULL;

    if (framePtr->type == TYPE_LABELFRAME) {
	Labelframe *labelframePtr = (Labelframe *) framePtr;
	labelframePtr->labelAnchor = LABELANCHOR_NW;
	labelframePtr->textGC = None;
	labelframePtr->textGC = NULL;
    }

    /*
     * Store backreference to frame widget in window structure.
     */

    Tk_SetClassProcs(newWin, &frameClass, (ClientData) framePtr);

	    }
	} else {
	    gcValues.clip_mask = instancePtr->bitmap;
	    mask |= GCClipMask;
	}
	gc = Tk_GetGC(instancePtr->tkwin, mask, &gcValues);
    } else {
	gc = None;
	gc = NULL;
    }
    if (instancePtr->gc != None) {
	Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
    }
    instancePtr->gc = gc;
    return;

  error:
    /*
     * An error occurred: clear the graphics context in the instance to make
     * it clear that this instance cannot be displayed. Then report the error.
     */

    if (instancePtr->gc != None) {
	Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
    }
    instancePtr->gc = None;
    instancePtr->gc = NULL;
    Tcl_AddErrorInfo(masterPtr->interp, "\n    (while configuring image \"");
    Tcl_AddErrorInfo(masterPtr->interp, Tk_NameOfImage(masterPtr->tkMaster));
    Tcl_AddErrorInfo(masterPtr->interp, "\")");
    Tcl_BackgroundError(masterPtr->interp);
}

/*

    instancePtr->refCount = 1;
    instancePtr->masterPtr = masterPtr;
    instancePtr->tkwin = tkwin;
    instancePtr->fg = NULL;
    instancePtr->bg = NULL;
    instancePtr->bitmap = None;
    instancePtr->mask = None;
    instancePtr->gc = None;
    instancePtr->gc = NULL;
    instancePtr->nextPtr = masterPtr->instancePtr;
    masterPtr->instancePtr = instancePtr;
    ImgBmapConfigureInstance(instancePtr);

    /*
     * If this is the first instance, must set the size of the image.
     */

    listPtr->selection		 = (Tcl_HashTable *)
	    ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(listPtr->selection, TCL_ONE_WORD_KEYS);
    listPtr->itemAttrTable	 = (Tcl_HashTable *)
	    ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(listPtr->itemAttrTable, TCL_ONE_WORD_KEYS);
    listPtr->relief		 = TK_RELIEF_RAISED;
    listPtr->textGC		 = None;
    listPtr->selFgColorPtr	 = None;
    listPtr->selTextGC		 = None;
    listPtr->textGC		 = NULL;
    listPtr->selFgColorPtr	 = NULL;
    listPtr->selTextGC		 = NULL;
    listPtr->fullLines		 = 1;
    listPtr->xScrollUnit	 = 1;
    listPtr->exportSelection	 = 1;
    listPtr->cursor		 = None;
    listPtr->cursor		 = NULL;
    listPtr->state		 = STATE_NORMAL;
    listPtr->gray		 = None;

    /*
     * Keep a hold of the associated tkwin until we destroy the listbox,
     * otherwise Tk might free it while we still need it.
     */

    menuPtr->tkwin = newWin;
    menuPtr->display = Tk_Display(newWin);
    menuPtr->interp = interp;
    menuPtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(menuPtr->tkwin), MenuWidgetObjCmd,
	    (ClientData) menuPtr, MenuCmdDeletedProc);
    menuPtr->active = -1;
    menuPtr->cursorPtr = None;
    menuPtr->cursorPtr = NULL;
    menuPtr->masterMenuPtr = menuPtr;
    menuPtr->menuType = UNKNOWN_TYPE;
    menuPtr->optionTablesPtr = optionTablesPtr;
    TkMenuInitializeDrawingFields(menuPtr);

    Tk_SetClass(menuPtr->tkwin, "Menu");
    Tk_SetClassProcs(menuPtr->tkwin, &menuClass, (ClientData) menuPtr);

    int labelLength;		/* Number of non-NULL characters in label. */
    int state;			/* State of button for display purposes:
				 * normal, active, or disabled. */
    int underline;		/* Value of -underline option: specifies index
				 * of character to underline (<0 means don't
				 * underline anything). */
    Tcl_Obj *underlinePtr;	/* Index of character to underline. */
    Tcl_Obj *bitmapPtr;		/* Bitmap to display in menu entry, or None.
				 * If not None then label is ignored. */
    Tcl_Obj *bitmapPtr;		/* Bitmap to display in menu entry, or NULL.
				 * If not NULL then label is ignored. */
    Tcl_Obj *imagePtr;		/* Name of image to display, or NULL. If not
				 * NULL, bitmap, text, and textVarName are
				 * ignored. */
    Tk_Image image;		/* Image to display in menu entry, or NULL if
				 * none. */
    Tcl_Obj *selectImagePtr;	/* Name of image to display when selected, or
				 * NULL. */

    GC activeGC;		/* GC for drawing text in entry when active.
				 * NULL means use overall activeGC for
				 * menu. */
    GC disabledGC;		/* Used to produce disabled effect for entry.
				 * NULL means use overall disabledGC from menu
				 * structure. See comments for disabledFg in
				 * menu structure for more information. */
    GC indicatorGC;		/* For drawing indicators. None means use GC
    GC indicatorGC;		/* For drawing indicators. NULL means use GC
				 * from menu. */

    /*
     * Miscellaneous fields.
     */

    int entryFlags;		/* Various flags. See below for

    				 * off. If this is NULL, a default scheme will
    				 * be used to generate a title for tearoff. */
    Tcl_Obj *tearoffCommandPtr;	/* If non-NULL, points to a command to run
				 * whenever the menu is torn-off. */
    Tcl_Obj *takeFocusPtr;	/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. Malloc'ed, but may be NULL. */
    Tcl_Obj *cursorPtr;		/* Current cursor for window, or None. */
    Tcl_Obj *cursorPtr;		/* Current cursor for window, or NULL. */
    Tcl_Obj *postCommandPtr;	/* Used to detect cycles in cascade hierarchy
    				 * trees when preprocessing postcommands on
    				 * some platforms. See PostMenu for more
    				 * details. */
    int postCommandGeneration;	/* Need to do pre-invocation post command
				 * traversal. */
    int menuFlags;		/* Flags for use by X; see below for

 *----------------------------------------------------------------------
 */

void
TkMenuInitializeDrawingFields(
    TkMenu *menuPtr)		/* The menu we are initializing. */
{
    menuPtr->textGC = None;
    menuPtr->textGC = NULL;
    menuPtr->gray = None;
    menuPtr->disabledGC = None;
    menuPtr->activeGC = None;
    menuPtr->indicatorGC = None;
    menuPtr->disabledImageGC = None;
    menuPtr->disabledGC = NULL;
    menuPtr->activeGC = NULL;
    menuPtr->indicatorGC = NULL;
    menuPtr->disabledImageGC = NULL;
    menuPtr->totalWidth = menuPtr->totalHeight = 0;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMenuInitializeEntryDrawingFields --

{
    mePtr->width = 0;
    mePtr->height = 0;
    mePtr->x = 0;
    mePtr->y = 0;
    mePtr->indicatorSpace = 0;
    mePtr->labelWidth = 0;
    mePtr->textGC = None;
    mePtr->activeGC = None;
    mePtr->disabledGC = None;
    mePtr->indicatorGC = None;
    mePtr->textGC = NULL;
    mePtr->activeGC = NULL;
    mePtr->disabledGC = NULL;
    mePtr->indicatorGC = NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMenuFreeDrawOptions --
 *

	gcValues.foreground = activeFg->pixel;
	gcValues.background = Tk_3DBorderColor(activeBorder)->pixel;
	newActiveGC = Tk_GetGC(menuPtr->tkwin,
		GCForeground|GCBackground|GCFont|GCGraphicsExposures,
		&gcValues);
    } else {
	newGC = None;
	newActiveGC = None;
	newDisabledGC = None;
	newIndicatorGC = None;
	newGC = NULL;
	newActiveGC = NULL;
	newDisabledGC = NULL;
	newIndicatorGC = NULL;
    }
    if (mePtr->textGC != None) {
	Tk_FreeGC(menuPtr->display, mePtr->textGC);
    }
    mePtr->textGC = newGC;
    if (mePtr->activeGC != None) {
	Tk_FreeGC(menuPtr->display, mePtr->activeGC);

    mbPtr->highlightBgColorPtr = NULL;
    mbPtr->highlightColorPtr = NULL;
    mbPtr->inset = 0;
    mbPtr->tkfont = NULL;
    mbPtr->normalFg = NULL;
    mbPtr->activeFg = NULL;
    mbPtr->disabledFg = NULL;
    mbPtr->normalTextGC = None;
    mbPtr->activeTextGC = None;
    mbPtr->normalTextGC = NULL;
    mbPtr->activeTextGC = NULL;
    mbPtr->gray = None;
    mbPtr->disabledGC = None;
    mbPtr->stippleGC = None;
    mbPtr->disabledGC = NULL;
    mbPtr->stippleGC = NULL;
    mbPtr->leftBearing = 0;
    mbPtr->rightBearing = 0;
    mbPtr->widthString = NULL;
    mbPtr->heightString = NULL;
    mbPtr->width = 0;
    mbPtr->width = 0;
    mbPtr->wrapLength = 0;
    mbPtr->padX = 0;
    mbPtr->padY = 0;
    mbPtr->anchor = TK_ANCHOR_CENTER;
    mbPtr->justify = TK_JUSTIFY_CENTER;
    mbPtr->textLayout = NULL;
    mbPtr->indicatorOn = 0;
    mbPtr->indicatorWidth = 0;
    mbPtr->indicatorHeight = 0;
    mbPtr->direction = DIRECTION_FLUSH;
    mbPtr->cursor = None;
    mbPtr->cursor = NULL;
    mbPtr->takeFocus = NULL;
    mbPtr->flags = 0;

    Tk_CreateEventHandler(mbPtr->tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    MenuButtonEventProc, (ClientData) mbPtr);

    				 * the upper left corner of the menubutton is
    				 * where the menu pops up. "above" and "below"
    				 * will attempt to pop the menu compleletly
    				 * above or below the menu respectively.
    				 * "left" and "right" will pop the menu left
    				 * or right, and the active item will be next
    				 * to the button. */
    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    char *takeFocus;		/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. Malloc'ed, but may be NULL. */
    int flags;			/* Various flags; see below for
				 * definitions. */
} TkMenuButton;

    msgPtr->display = Tk_Display(tkwin);
    msgPtr->interp = interp;
    msgPtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(msgPtr->tkwin), MessageWidgetObjCmd,
	    (ClientData) msgPtr, MessageCmdDeletedProc);
    msgPtr->optionTable = optionTable;
    msgPtr->relief = TK_RELIEF_FLAT;
    msgPtr->textGC = None;
    msgPtr->textGC = NULL;
    msgPtr->anchor = TK_ANCHOR_CENTER;
    msgPtr->aspect = 150;
    msgPtr->justify = TK_JUSTIFY_LEFT;
    msgPtr->cursor = None;
    msgPtr->cursor = NULL;

    Tk_SetClass(msgPtr->tkwin, "Message");
    Tk_SetClassProcs(msgPtr->tkwin, &messageClass, (ClientData) msgPtr);
    Tk_CreateEventHandler(msgPtr->tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    MessageEventProc, (ClientData) msgPtr);
    if (Tk_InitOptions(interp, (char *)msgPtr, optionTable, tkwin) != TCL_OK) {

 */

static void
MessageWorldChanged(
    ClientData instanceData)	/* Information about widget. */
{
    XGCValues gcValues;
    GC gc = None;
    GC gc = NULL;
    Tk_FontMetrics fm;
    Message *msgPtr;

    msgPtr = (Message *) instanceData;

    if (msgPtr->border != NULL) {
	Tk_SetBackgroundFromBorder(msgPtr->tkwin, msgPtr->border);

	    }
	    break;
	case TK_CONFIG_CURSOR:
	case TK_CONFIG_ACTIVE_CURSOR: {
	    Tk_Cursor newCursor, oldCursor;

	    if (nullValue) {
		newCursor = None;
		newCursor = NULL;
	    } else {
		uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
		newCursor = Tk_GetCursor(interp, tkwin, uid);
		if (newCursor == None) {
		    return TCL_ERROR;
		}
	    }

		*((Tk_3DBorder *) ptr) = NULL;
	    }
	    break;
	case TK_CONFIG_CURSOR:
	case TK_CONFIG_ACTIVE_CURSOR:
	    if (*((Tk_Cursor *) ptr) != None) {
		Tk_FreeCursor(display, *((Tk_Cursor *) ptr));
		*((Tk_Cursor *) ptr) = None;
		*((Tk_Cursor *) ptr) = NULL;
	    }
	}
    }
}

/*
 *--------------------------------------------------------------

    pwPtr->interp = interp;
    pwPtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(pwPtr->tkwin), PanedWindowWidgetObjCmd,
	    (ClientData) pwPtr, PanedWindowCmdDeletedProc);
    pwPtr->optionTable = pwOpts->pwOptions;
    pwPtr->slaveOpts = pwOpts->slaveOpts;
    pwPtr->relief = TK_RELIEF_RAISED;
    pwPtr->gc = None;
    pwPtr->cursor = None;
    pwPtr->sashCursor = None;
    pwPtr->gc = NULL;
    pwPtr->cursor = NULL;
    pwPtr->sashCursor = NULL;

    /*
     * Keep a hold of the associated tkwin until we destroy the widget,
     * otherwise Tk might free it while we still need it.
     */

    Tcl_Preserve((ClientData) pwPtr->tkwin);

    /*
     * Clean out any -after or -before references to this slave
     */

    for (i = 0; i < masterPtr->numSlaves; i++) {
	if (masterPtr->slaves[i]->before == slavePtr->tkwin) {
	    masterPtr->slaves[i]->before = None;
	    masterPtr->slaves[i]->before = NULL;
	}
	if (masterPtr->slaves[i]->after == slavePtr->tkwin) {
	    masterPtr->slaves[i]->after = None;
	    masterPtr->slaves[i]->after = NULL;
	}
    }

    masterPtr->flags |= REQUESTED_RELAYOUT;
    if (!(masterPtr->flags & REDRAW_PENDING)) {
	masterPtr->flags |= REDRAW_PENDING;
	Tcl_DoWhenIdle(DisplayPanedWindow, (ClientData) masterPtr);

     * No preexisting slave structure for that window, so make a new one and
     * populate it with some default values.
     */

    slavePtr = (Slave *) ckalloc(sizeof(Slave));
    memset(slavePtr, 0, sizeof(Slave));
    slavePtr->tkwin = tkwin;
    slavePtr->inTkwin = None;
    slavePtr->inTkwin = NULL;
    slavePtr->anchor = TK_ANCHOR_NW;
    slavePtr->borderMode = BM_INSIDE;
    slavePtr->optionTable = table;
    Tcl_SetHashValue(hPtr, slavePtr);
    Tk_CreateEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
	    (ClientData) slavePtr);
    return slavePtr;

    rectOvalPtr->tsoffset.yoffset = 0;
    rectOvalPtr->fillColor = NULL;
    rectOvalPtr->activeFillColor = NULL;
    rectOvalPtr->disabledFillColor = NULL;
    rectOvalPtr->fillStipple = None;
    rectOvalPtr->activeFillStipple = None;
    rectOvalPtr->disabledFillStipple = None;
    rectOvalPtr->fillGC = None;
    rectOvalPtr->fillGC = NULL;

    /*
     * Process the arguments to fill in the item record.
     */

    for (i = 1; i < objc; i++) {
	char *arg = Tcl_GetString(objv[i]);

    if (mask && \
	    rectOvalPtr->outline.width != 0 && \
	    rectOvalPtr->outline.color != NULL) {
	gcValues.cap_style = CapProjecting;
	mask |= GCCapStyle;
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    } else {
	newGC = None;
	newGC = NULL;
    }
    if (rectOvalPtr->outline.gc != None) {
	Tk_FreeGC(Tk_Display(tkwin), rectOvalPtr->outline.gc);
    }
    rectOvalPtr->outline.gc = newGC;

    if (state == TK_STATE_NULL) {

	}
	if (rectOvalPtr->disabledFillStipple!=None) {
	    stipple = rectOvalPtr->disabledFillStipple;
	}
    }

    if (color == NULL) {
	newGC = None;
	newGC = NULL;
    } else {
	gcValues.foreground = color->pixel;
	if (stipple != None) {
	    gcValues.stipple = stipple;
	    gcValues.fill_style = FillStippled;
	    mask = GCForeground|GCStipple|GCFillStyle;
	} else {

    scalePtr->labelLength	= 0;
    scalePtr->state		= STATE_NORMAL;
    scalePtr->borderWidth	= 0;
    scalePtr->bgBorder		= NULL;
    scalePtr->activeBorder	= NULL;
    scalePtr->sliderRelief	= TK_RELIEF_RAISED;
    scalePtr->troughColorPtr	= NULL;
    scalePtr->troughGC		= None;
    scalePtr->copyGC		= None;
    scalePtr->troughGC		= NULL;
    scalePtr->copyGC		= NULL;
    scalePtr->tkfont		= NULL;
    scalePtr->textColorPtr	= NULL;
    scalePtr->textGC		= None;
    scalePtr->textGC		= NULL;
    scalePtr->relief		= TK_RELIEF_FLAT;
    scalePtr->highlightWidth	= 0;
    scalePtr->highlightBorder	= NULL;
    scalePtr->highlightColorPtr	= NULL;
    scalePtr->inset		= 0;
    scalePtr->sliderLength	= 0;
    scalePtr->showValue		= 0;
    scalePtr->horizLabelY	= 0;
    scalePtr->horizValueY	= 0;
    scalePtr->horizTroughY	= 0;
    scalePtr->horizTickY	= 0;
    scalePtr->vertTickRightX	= 0;
    scalePtr->vertValueRightX	= 0;
    scalePtr->vertTroughX	= 0;
    scalePtr->vertLabelX	= 0;
    scalePtr->fontHeight	= 0;
    scalePtr->cursor		= None;
    scalePtr->cursor		= NULL;
    scalePtr->takeFocusPtr	= NULL;
    scalePtr->flags		= NEVER_SET;

    Tk_SetClassProcs(scalePtr->tkwin, &scaleClass, (ClientData) scalePtr);
    Tk_CreateEventHandler(scalePtr->tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    ScaleEventProc, (ClientData) scalePtr);

				 * display any tick marks. */
    double resolution;		/* If > 0, all values are rounded to an even
				 * multiple of this value. */
    int digits;			/* Number of significant digits to print in
				 * values. 0 means we get to choose the number
				 * based on resolution and/or the range of the
				 * scale. */
    char format[10];		/* Sprintf conversion specifier computed from
    char format[16];		/* Sprintf conversion specifier computed from
				 * digits and other information. */
    double bigIncrement;	/* Amount to use for large increments to scale
				 * value. (0 means we pick a value). */
    char *command;		/* Command prefix to use when invoking Tcl
				 * commands because the scale value changed.
				 * NULL means don't invoke commands. */
    int repeatDelay;		/* How long to wait before auto-repeating on

    int vertLabelX;		/* X-location of origin of label. */

    /*
     * Miscellaneous information:
     */

    int fontHeight;		/* Height of scale font. */
    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    Tcl_Obj *takeFocusPtr;	/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. May be NULL. */
    int flags;			/* Various flags; see below for
				 * definitions. */
} TkScale;

    scrollPtr->activeRelief = TK_RELIEF_RAISED;
    scrollPtr->totalUnits = 0;
    scrollPtr->windowUnits = 0;
    scrollPtr->firstUnit = 0;
    scrollPtr->lastUnit = 0;
    scrollPtr->firstFraction = 0.0;
    scrollPtr->lastFraction = 0.0;
    scrollPtr->cursor = None;
    scrollPtr->cursor = NULL;
    scrollPtr->takeFocus = NULL;
    scrollPtr->flags = 0;

    if (ConfigureScrollbar(interp, scrollPtr, argc-2, argv+2, 0) != TCL_OK) {
	Tk_DestroyWindow(scrollPtr->tkwin);
	return TCL_ERROR;
    }

				 * specified as a fraction between 0 and
				 * 1.0. */

    /*
     * Miscellaneous information:
     */

    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    char *takeFocus;		/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. Malloc'ed, but may be NULL. */
    int flags;			/* Various flags; see below for
				 * definitions. */
} TkScrollbar;

    squarePtr->tkwin = tkwin;
    squarePtr->display = Tk_Display(tkwin);
    squarePtr->interp = interp;
    squarePtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(squarePtr->tkwin), SquareWidgetObjCmd,
	    (ClientData) squarePtr, SquareDeletedProc);
    squarePtr->gc = None;
    squarePtr->gc = NULL;
    squarePtr->optionTable = optionTable;

    if (Tk_InitOptions(interp, (char *) squarePtr, optionTable, tkwin)
	    != TCL_OK) {
	Tk_DestroyWindow(squarePtr->tkwin);
	ckfree((char *) squarePtr);
	return TCL_ERROR;

    } else {
	textPtr->start = NULL;
	textPtr->end = NULL;
    }

    textPtr->state = TK_TEXT_STATE_NORMAL;
    textPtr->relief = TK_RELIEF_FLAT;
    textPtr->cursor = None;
    textPtr->cursor = NULL;
    textPtr->charWidth = 1;
    textPtr->charHeight = 10;
    textPtr->wrapMode = TEXT_WRAPMODE_CHAR;
    textPtr->prevWidth = Tk_Width(newWin);
    textPtr->prevHeight = Tk_Height(newWin);

    /*

    int highlightWidth;		/* Width in pixels of highlight to draw around
				 * widget when it has the focus. <= 0 means
				 * don't draw a highlight. */
    XColor *highlightBgColorPtr;
				/* Color for drawing traversal highlight area
				 * when highlight is off. */
    XColor *highlightColorPtr;	/* Color for drawing traversal highlight. */
    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
    XColor *fgColor;		/* Default foreground color for text. */
    Tk_Font tkfont;		/* Default font for displaying text. */
    int charWidth;		/* Width of average character in default
				 * font. */
    int charHeight;		/* Height of average character in default
				 * font, including line spacing. */
    int spacing1;		/* Default extra spacing above first display

{
    register TextDInfo *dInfoPtr;
    XGCValues gcValues;

    dInfoPtr = (TextDInfo *) ckalloc(sizeof(TextDInfo));
    Tcl_InitHashTable(&dInfoPtr->styleTable, sizeof(StyleValues)/sizeof(int));
    dInfoPtr->dLinePtr = NULL;
    dInfoPtr->copyGC = None;
    dInfoPtr->copyGC = NULL;
    gcValues.graphics_exposures = True;
    dInfoPtr->scrollGC = Tk_GetGC(textPtr->tkwin, GCGraphicsExposures,
	    &gcValues);
    dInfoPtr->topOfEof = 0;
    dInfoPtr->newXPixelOffset = 0;
    dInfoPtr->curXPixelOffset = 0;
    dInfoPtr->maxLength = 0;

	if (styleValues.bgStipple != None) {
	    gcValues.stipple = styleValues.bgStipple;
	    gcValues.fill_style = FillStippled;
	    mask |= GCStipple|GCFillStyle;
	}
	stylePtr->bgGC = Tk_GetGC(textPtr->tkwin, mask, &gcValues);
    } else {
	stylePtr->bgGC = None;
	stylePtr->bgGC = NULL;
    }
    mask = GCFont;
    gcValues.font = Tk_FontId(styleValues.tkfont);
    mask |= GCForeground;
    gcValues.foreground = styleValues.fgColor->pixel;
    if (styleValues.fgStipple != None) {
	gcValues.stipple = styleValues.fgStipple;

			x = -chunkPtr->width;
		    }
		    TkTextEmbWinDisplayProc(textPtr, chunkPtr, x,
			    dlPtr->spaceAbove,
			    dlPtr->height-dlPtr->spaceAbove-dlPtr->spaceBelow,
			    dlPtr->baseline - dlPtr->spaceAbove, NULL,
			    (Drawable) None, dlPtr->y + dlPtr->spaceAbove);
			    None, dlPtr->y + dlPtr->spaceAbove);
		}

	    }
	}
#ifndef TK_NO_DOUBLE_BUFFERING
	Tk_FreePixmap(Tk_Display(textPtr->tkwin), pixmap);
#endif /* TK_NO_DOUBLE_BUFFERING */

    }
}

void
Tk_UndefineCursor(
    Tk_Window tkwin)		/* Window to manipulate. */
{
    Tk_DefineCursor(tkwin, None);
    Tk_DefineCursor(tkwin, NULL);
}

void
Tk_SetWindowColormap(
    Tk_Window tkwin,		/* Window to manipulate. */
    Colormap colormap)		/* Colormap to use for window. */
{

 *	Selection handler for entry widgets.
 */
static int
EntryFetchSelection(
    ClientData clientData, int offset, char *buffer, int maxBytes)
{
    Entry *entryPtr = (Entry *) clientData;
    size_t byteCount;
    int 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) {
    if (byteCount > maxBytes) {
    /* @@@POSSIBLE BUG: Can transfer partial UTF-8 sequences.  Is this OK? */
	byteCount = maxBytes;
    }
    if (byteCount <= 0) {
	return 0;
    }
    memcpy(buffer, selStart + offset, byteCount);

/*
 * ttkLayout.c --
 *
 * Generic layout processing.
 *
 * Copyright (c) 2003 Joe English.  Freely redistributable.
 */

#include <string.h>
#include <tk.h>
#include "tkInt.h"
#include "ttkThemeInt.h"

#define MAX(a,b) (a > b ? a : b)
#define MIN(a,b) (a < b ? a : b)

/*------------------------------------------------------------------------
 * +++ Ttk_Box and Ttk_Padding utilities:

/*
 * Copyright (c) 2004, Joe English
 *
 * ttk::treeview widget implementation.
 */

#include <string.h>
#include <stdio.h>
#include <tk.h>
#include "tkInt.h"
#include "ttkTheme.h"
#include "ttkWidget.h"

#define DEF_TREE_ROWS		"10"
#define DEF_COLWIDTH		"200"
#define DEF_MINWIDTH		"20"

/*
 * Copyright (c) 2003, Joe English
 *
 * Core widget utilities.
 */

#include <string.h>
#include <tk.h>
#include "tkInt.h"
#include "ttkTheme.h"
#include "ttkWidget.h"

#ifdef MAC_OSX_TK
#define TK_NO_DOUBLE_BUFFERING 1
#endif

#define BLACK			"Black"
#define WHITE			"White"
#define NORMAL_BG		"systemWindowBody"
#define ACTIVE_BG		"systemButtonFacePressed"
#define ACTIVE_FG		"systemPushButtonPressedText"
#define SELECT_BG		"systemHighlight"
#define SELECT_FG		None
#define SELECT_FG		NULL
#define INACTIVE_SELECT_BG	"systemHighlightSecondary"
#define TROUGH			"#c3c3c3"
#define INDICATOR		"#b03060"
#define DISABLED		"#a3a3a3"

/*
 * Defaults for labels, buttons, checkbuttons, and radiobuttons:

 * Defaults for individual entries of menus:
 */

#define DEF_MENU_ENTRY_ACTIVE_BG	((char *) NULL)
#define DEF_MENU_ENTRY_ACTIVE_FG	((char *) NULL)
#define DEF_MENU_ENTRY_ACCELERATOR	((char *) NULL)
#define DEF_MENU_ENTRY_BG		((char *) NULL)
#define DEF_MENU_ENTRY_BITMAP		None
#define DEF_MENU_ENTRY_BITMAP		NULL
#define DEF_MENU_ENTRY_COLUMN_BREAK	"0"
#define DEF_MENU_ENTRY_COMMAND		((char *) NULL)
#define DEF_MENU_ENTRY_COMPOUND		"none"
#define DEF_MENU_ENTRY_FG		((char *) NULL)
#define DEF_MENU_ENTRY_FONT		((char *) NULL)
#define DEF_MENU_ENTRY_HIDE_MARGIN	"0"
#define DEF_MENU_ENTRY_IMAGE		((char *) NULL)

    for (containerPtr = firstContainerPtr; containerPtr != NULL;
	    containerPtr = containerPtr->nextPtr) {
	if (containerPtr->embeddedPtr == winPtr) {
	    return (MacDrawable *) containerPtr->parent;
	}
    }
    Tcl_Panic("TkMacOSXContainerId couldn't find window");
    return None;
    return NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMacOSXGetHostToplevel --
 *

    }
    contWinPtr = TkpGetOtherWindow(topWinPtr);

    /*
     * TODO: Here we should handle out of process embedding.
     */

    if (contWinPtr == NULL) {
	return None;
    if (!contWinPtr) {
	return NULL;
    }
    return TkMacOSXGetHostToplevel(contWinPtr);
}

/*
 *----------------------------------------------------------------------
 *

#define observe(n, s) \
	[nc addObserver:NSApp selector:@selector(s) name:(n) object:nil]
    observe(NSMenuDidBeginTrackingNotification, menuBeginTracking:);
    observe(NSMenuDidEndTrackingNotification, menuEndTracking:);
#undef observe

    [NSMenuItem setUsesUserKeyEquivalents:NO];
    tkColPtr = TkpGetColor(None, DEF_MENU_BG_COLOR);
    tkColPtr = TkpGetColor(NULL, DEF_MENU_BG_COLOR);
    defaultBg = tkColPtr->color.pixel;
    ckfree((char *) tkColPtr);
    tkColPtr = TkpGetColor(None, DEF_MENU_FG);
    tkColPtr = TkpGetColor(NULL, DEF_MENU_FG);
    defaultFg = tkColPtr->color.pixel;
    ckfree((char *) tkColPtr);

    ChkErr(GetThemeMetric, kThemeMetricMenuMarkColumnWidth,
	    &menuMarkColumnWidth);
    ChkErr(GetThemeMetric, kThemeMetricMenuTextLeadingEdgeMargin,
	    &menuTextLeadingEdgeMargin);

TkScrollbar *
TkpCreateScrollbar(
		   Tk_Window tkwin)
{

    MacScrollbar *scrollPtr = (MacScrollbar *)ckalloc(sizeof(MacScrollbar));

    scrollPtr->troughGC = None;
    scrollPtr->copyGC = None;
    scrollPtr->troughGC = NULL;
    scrollPtr->copyGC = NULL;

    Tk_CreateEventHandler(tkwin,ExposureMask|StructureNotifyMask|FocusChangeMask|ButtonPressMask|VisibilityChangeMask, ScrollbarEventProc, scrollPtr);
    
    return (TkScrollbar *) scrollPtr;
}

/*

 *----------------------------------------------------------------------
 */

void
Tk_ResetUserInactiveTime(
    Display *dpy)
{
    IOGPoint loc;
    IOGPoint loc = {0};
    kern_return_t kr;
    NXEvent nullEvent = {NX_NULLEVENT, {0, 0}, 0, -1, 0};
    enum { kNULLEventPostThrottle = 10 };
    static io_connect_t io_connection = MACH_PORT_NULL;

    if (io_connection == MACH_PORT_NULL) {
	io_service_t service = IOServiceGetMatchingService(

 * Defaults for individual entries of menus:
 */

#define DEF_MENU_ENTRY_ACTIVE_BG	(char *) NULL
#define DEF_MENU_ENTRY_ACTIVE_FG	(char *) NULL
#define DEF_MENU_ENTRY_ACCELERATOR	(char *) NULL
#define DEF_MENU_ENTRY_BG		(char *) NULL
#define DEF_MENU_ENTRY_BITMAP		None
#define DEF_MENU_ENTRY_BITMAP		NULL
#define DEF_MENU_ENTRY_COLUMN_BREAK	"0"
#define DEF_MENU_ENTRY_COMMAND		(char *) NULL
#define DEF_MENU_ENTRY_COMPOUND 	"none"
#define DEF_MENU_ENTRY_FG		(char *) NULL
#define DEF_MENU_ENTRY_FONT		(char *) NULL
#define DEF_MENU_ENTRY_HIDE_MARGIN	"0"
#define DEF_MENU_ENTRY_IMAGE		(char *) NULL

     * For DLLs like Tk, the HINSTANCE is the same as the HMODULE.
     */

    HMODULE module = (HINSTANCE) Tk_GetHINSTANCE();
    HRSRC hrsrc;
    HGLOBAL hblk;
    LPBITMAPINFOHEADER newBitmap;
    DWORD size;
    size_t size;
    ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));

    hrsrc = FindResource(module, "buttons", RT_BITMAP);
    if (hrsrc == NULL) {
	Tcl_Panic("FindResource() failed for buttons bitmap resource, "
            "resources in tk_base.rc must be linked into Tk dll or static executable");
    } else {
	hblk = LoadResource(module, hrsrc);
	tsdPtr->boxesPtr = (LPBITMAPINFOHEADER)LockResource(hblk);
    }

    /*
     * Copy the DIBitmap into writable memory.
     */

    if (tsdPtr->boxesPtr != NULL && !(tsdPtr->boxesPtr->biWidth % 4)
	    && !(tsdPtr->boxesPtr->biHeight % 2)) {
	size = tsdPtr->boxesPtr->biSize + (1 << tsdPtr->boxesPtr->biBitCount)
		* sizeof(RGBQUAD) + tsdPtr->boxesPtr->biSizeImage;
	size = tsdPtr->boxesPtr->biSize
		+ (sizeof(RGBQUAD) << tsdPtr->boxesPtr->biBitCount)
		+ tsdPtr->boxesPtr->biSizeImage;
	newBitmap = (LPBITMAPINFOHEADER) ckalloc(size);
	memcpy(newBitmap, tsdPtr->boxesPtr, size);
	tsdPtr->boxesPtr = newBitmap;
	tsdPtr->boxWidth = tsdPtr->boxesPtr->biWidth / 4;
	tsdPtr->boxHeight = tsdPtr->boxesPtr->biHeight / 2;
	tsdPtr->boxesPalette = (DWORD*) (((LPSTR) tsdPtr->boxesPtr)
		+ tsdPtr->boxesPtr->biSize);
	tsdPtr->boxesBits = ((LPSTR) tsdPtr->boxesPalette)
	    + ((1 << tsdPtr->boxesPtr->biBitCount) * sizeof(RGBQUAD));
		+ (sizeof(RGBQUAD) << tsdPtr->boxesPtr->biBitCount);
    } else {
	tsdPtr->boxesPtr = NULL;
    }
}

/*
 *----------------------------------------------------------------------

 * Defaults for individual entries of menus:
 */

#define DEF_MENU_ENTRY_ACTIVE_BG	(char *) NULL
#define DEF_MENU_ENTRY_ACTIVE_FG	(char *) NULL
#define DEF_MENU_ENTRY_ACCELERATOR	(char *) NULL
#define DEF_MENU_ENTRY_BG		(char *) NULL
#define DEF_MENU_ENTRY_BITMAP		None
#define DEF_MENU_ENTRY_BITMAP		NULL
#define DEF_MENU_ENTRY_COLUMN_BREAK	"0"
#define DEF_MENU_ENTRY_COMMAND		(char *) NULL
#define DEF_MENU_ENTRY_COMPOUND 	"none"
#define DEF_MENU_ENTRY_FG		(char *) NULL
#define DEF_MENU_ENTRY_FONT		(char *) NULL
#define DEF_MENU_ENTRY_HIDE_MARGIN	"0"
#define DEF_MENU_ENTRY_IMAGE		(char *) NULL

	 * Proceed if the user decide to do so because it can be a legacy
	 * container application. However we may have to return a TCL_ERROR in
	 * order to avoid bug 1096074 in future.
	 */

	char msg[256];

	sprintf(msg, "Unable to get information of window \"%.80s\".  Attach to this\nwindow may have unpredictable results if it is not a valid container.\n\nPress Ok to proceed or Cancel to abort attaching.", string);
	sprintf(msg, "Unable to get information of window \"%.79s\".  Attach to this\nwindow may have unpredictable results if it is not a valid container.\n\nPress Ok to proceed or Cancel to abort attaching.", string);
	if (IDCANCEL == MessageBox(hwnd, msg, "Tk Warning",
		MB_OKCANCEL | MB_ICONWARNING)) {
    	    Tcl_SetResult(interp, "Operation has been canceled", TCL_STATIC);
	    return TCL_ERROR;
	}
    }

	depth = Tk_Depth((Tk_Window) twdPtr->window.winPtr);
    } else {
	depth = twdPtr->bitmap.depth;
    }

    size = sizeof(BITMAPINFO);
    if (depth <= 8) {
	size += sizeof(unsigned short) * (1 << depth);
	size += sizeof(unsigned short) << depth;
    }
    bmInfo = (BITMAPINFO *) ckalloc((unsigned)size);

    bmInfo->bmiHeader.biSize		= sizeof(BITMAPINFOHEADER);
    bmInfo->bmiHeader.biWidth		= width;
    bmInfo->bmiHeader.biHeight		= -(int) height;
    bmInfo->bmiHeader.biPlanes		= 1;

#define REDO_KEYSYM_LOOKUP

/*
 * See ticket [916c1095438eae56]: GetVersionExW triggers warnings
 */
#if defined(_MSC_VER)
#   pragma warning(disable:4047)
#   pragma warning(disable:4267)
#   pragma warning(disable:4244)
#   pragma warning(disable:4311)
#   pragma warning(disable:4312)
#   pragma warning(disable:4996)
#endif

/*
 * The following macro checks to see whether there is buffered
 * input data available for a stdio FILE.
 */

    if (winPtr->flags & TK_EMBEDDED) {
	int state = SendMessage(wmPtr->wrapper, TK_STATE, -1, -1) - 1;

	SendMessage(wmPtr->wrapper, TK_SETMENU, 0, 0);
	SendMessage(wmPtr->wrapper, TK_DETACHWINDOW, 0, 0);
	winPtr->flags &= ~TK_EMBEDDED;
	winPtr->privatePtr = NULL;
	wmPtr->wrapper = None;
	wmPtr->wrapper = NULL;
	if (state >= 0 && state <= 3) {
	    wmPtr->hints.initial_state = state;
	}
    }
    if (winPtr->flags & TK_TOP_LEVEL) {
	TkpWinToplevelOverrideRedirect(winPtr, 1);
    }

    /*
     * Set up the root window.
     */

    twdPtr = (TkWinDrawable*) ckalloc(sizeof(TkWinDrawable));
    if (twdPtr == NULL) {
	return None;
	return NULL;
    }
    twdPtr->type = TWD_WINDOW;
    twdPtr->window.winPtr = NULL;
    twdPtr->window.handle = NULL;
    screen->root = (Window)twdPtr;

    /*

				 * defined as a short, which wouldn't be big
				 * enough. */

/*****************************************************************
 * RESERVED RESOURCE AND CONSTANT DEFINITIONS
 *****************************************************************/

#ifndef _WIN32
#define None                 0L	/* universal null resource or null atom */
#   define None              0L      /* See bug [9e31fd9449] and below */
#endif

#define ParentRelative       1L	/* background pixmap in CreateWindow
				    and ChangeWindowAttributes */

#define CopyFromParent       0L	/* border pixmap in CreateWindow
				       and ChangeWindowAttributes
				   special VisualID and special window

/* Key masks. Used as modifiers to GrabButton and GrabKey, results of QueryPointer,
   state in various key-, mouse-, and button-related events. */

#define ShiftMask		(1<<0)
#define LockMask		(1<<1)
#ifndef _WIN32
#define ControlMask		(1<<2)
#   define ControlMask		(1<<2) /* See bug [9e31fd9449] and below */
#endif
#define Mod1Mask		(1<<3)
#define Mod2Mask		(1<<4)
#define Mod3Mask		(1<<5)
#define Mod4Mask		(1<<6)
#define Mod5Mask		(1<<7)

/* See bug [9e31fd9449], this way prevents conflicts with Win32 headers */
#ifdef _WIN32
enum _Bug9e31fd9449 { None = 0, ControlMask = (1<<2) };
#endif

/* modifier names.  Used to build a SetModifierMapping request or
   to read a GetModifierMapping request.  These correspond to the
   masks defined above. */
#define ShiftMapIndex		0
#define LockMapIndex		1
#define ControlMapIndex		2

     */

#define MAX_DASH_LIST_SIZE 10

    gp = (XGCValues *) ckalloc(sizeof(XGCValues) + MAX_DASH_LIST_SIZE +
	    gcCacheSize);
    if (!gp) {
	return None;
	return NULL;
    }

#define InitField(name,maskbit,default) \
	(gp->name = (mask & (maskbit)) ? values->name : (default))

    InitField(function,		  GCFunction,		GXcopy);
    InitField(plane_mask,	  GCPlaneMask,		(unsigned long)(~0));