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 = 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.

    Tk_3DBorder border,		/* Border whose GC is wanted. */
    int which)			/* Selects one of the border's 3 GC's:
				 * TK_3D_FLAT_GC, TK_3D_LIGHT_GC, or
				 * TK_3D_DARK_GC. */
{
    TkBorder * borderPtr = (TkBorder *) border;

    if ((borderPtr->lightGC == NULL) && (which != TK_3D_FLAT_GC)) {
	TkpGetShadows(borderPtr, tkwin);
    }
    if (which == TK_3D_FLAT_GC) {
	return borderPtr->bgGC;
    } else if (which == TK_3D_LIGHT_GC) {
	return borderPtr->lightGC;
    } else if (which == TK_3D_DARK_GC){
	return borderPtr->darkGC;
    }
    Tcl_Panic("bogus \"which\" value in Tk_3DBorderGC");

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

    return NULL;
}

/*
 *--------------------------------------------------------------
 *
 * Tk_Free3DBorder --
 *

    }
    if (borderPtr->lightColorPtr != NULL) {
	Tk_FreeColor(borderPtr->lightColorPtr);
    }
    if (borderPtr->shadow != None) {
	Tk_FreeBitmap(display, borderPtr->shadow);
    }
    if (borderPtr->bgGC != NULL) {
	Tk_FreeGC(display, borderPtr->bgGC);
    }
    if (borderPtr->darkGC != NULL) {
	Tk_FreeGC(display, borderPtr->darkGC);
    }
    if (borderPtr->lightGC != NULL) {
	Tk_FreeGC(display, borderPtr->lightGC);
    }
    if (prevPtr == borderPtr) {
	if (borderPtr->nextPtr == NULL) {
	    Tcl_DeleteHashEntry(borderPtr->hashPtr);
	} else {
	    Tcl_SetHashValue(borderPtr->hashPtr, borderPtr->nextPtr);

    XPoint perp, c, shift1, shift2;	/* Used for handling parallel lines. */
    register XPoint *p1Ptr, *p2Ptr;
    TkBorder *borderPtr = (TkBorder *) border;
    GC gc;
    int i, lightOnLeft, dx, dy, parallel, pointsSeen;
    Display *display = Tk_Display(tkwin);

    if (borderPtr->lightGC == NULL) {
	TkpGetShadows(borderPtr, tkwin);
    }

    /*
     * Handle grooves and ridges with recursive calls.
     */

				 * 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.
				 * NULL means the shadow colors haven't been
				 * allocated yet.*/
    GC lightGC;			/* Used to draw lighter parts of the border.
				 * 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

            && (Tk_WindowId(dispPtr->warpWindow) != None))) {
        TkpWarpPointer(dispPtr);
        XForceScreenSaver(dispPtr->display, ScreenSaverReset);
    }

    if (dispPtr->warpWindow) {
	Tcl_Release(dispPtr->warpWindow);
	dispPtr->warpWindow = NULL;
    }
    dispPtr->flags &= ~TK_DISPLAY_IN_WARP;
}

/*
 *-------------------------------------------------------------------------
 *

static Busy *
CreateBusy(
    Tcl_Interp *interp,		/* Interpreter to report error to */
    Tk_Window tkRef)		/* Window hosting the busy window */
{
    Busy *busyPtr;
    size_t length;
    int x, y;
    const char *fmt;
    char *name;
    Tk_Window tkBusy, tkChild, tkParent;
    Window parent;
    Tk_FakeWin *winPtr;

    busyPtr = ckalloc(sizeof(Busy));

    busyPtr->tkRef = tkRef;
    busyPtr->tkParent = tkParent;
    busyPtr->tkBusy = tkBusy;
    busyPtr->width = Tk_Width(tkRef);
    busyPtr->height = Tk_Height(tkRef);
    busyPtr->x = Tk_X(tkRef);
    busyPtr->y = Tk_Y(tkRef);
    busyPtr->cursor = NULL;
    Tk_SetClass(tkBusy, "Busy");
    busyPtr->optionTable = Tk_CreateOptionTable(interp, busyOptionSpecs);
    if (Tk_InitOptions(interp, (char *) busyPtr, busyPtr->optionTable,
	    tkBusy) != TCL_OK) {
	Tk_DestroyWindow(tkBusy);
	return NULL;
    }

    /*
     * Indicate that the busy window's geometry is being managed. This will
     * also notify us if the busy window is ever packed.
     */

    Tk_ManageGeometry(tkBusy, &busyMgrInfo, busyPtr);
    if (busyPtr->cursor != NULL) {
	Tk_DefineCursor(tkBusy, busyPtr->cursor);
    }

    /*
     * Track the reference window to see if it is resized or destroyed.
     */

    Tk_Cursor oldCursor = busyPtr->cursor;

    if (Tk_SetOptions(interp, (char *) busyPtr, busyPtr->optionTable, objc,
	    objv, busyPtr->tkBusy, NULL, NULL) != TCL_OK) {
	return TCL_ERROR;
    }
    if (busyPtr->cursor != oldCursor) {
	if (busyPtr->cursor == NULL) {
	    Tk_UndefineCursor(busyPtr->tkBusy);
	} else {
	    Tk_DefineCursor(busyPtr->tkBusy, busyPtr->cursor);
	}
    }

    return TCL_OK;

    butPtr->highlightBorder = NULL;
    butPtr->highlightColorPtr = NULL;
    butPtr->inset = 0;
    butPtr->tkfont = NULL;
    butPtr->normalFg = NULL;
    butPtr->activeFg = NULL;
    butPtr->disabledFg = NULL;
    butPtr->normalTextGC = NULL;
    butPtr->activeTextGC = NULL;
    butPtr->disabledGC = NULL;
    butPtr->stippleGC = NULL;
    butPtr->gray = 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 = NULL;
    butPtr->takeFocusPtr = NULL;
    butPtr->commandPtr = NULL;
    butPtr->flags = 0;

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

    }
    if (butPtr->selectImage != NULL) {
	Tk_FreeImage(butPtr->selectImage);
    }
    if (butPtr->tristateImage != NULL) {
	Tk_FreeImage(butPtr->tristateImage);
    }
    if (butPtr->normalTextGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
    }
    if (butPtr->activeTextGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
    }
    if (butPtr->disabledGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->disabledGC);
    }
    if (butPtr->stippleGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->stippleGC);
    }
    if (butPtr->gray != None) {
	Tk_FreeBitmap(butPtr->display, butPtr->gray);
    }
    if (butPtr->copyGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->copyGC);
    }
    if (butPtr->textLayout != NULL) {
	Tk_FreeTextLayout(butPtr->textLayout);
    }
    if (butPtr->selVarNamePtr != NULL) {
	Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),

     * used to copy stuff from an off-screen pixmap onto the screen (we know
     * that there's no problem with obscured areas).
     */

    gcValues.graphics_exposures = False;
    mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
    newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
    if (butPtr->normalTextGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
    }
    butPtr->normalTextGC = newGC;

    if (butPtr->activeFg != NULL) {
	gcValues.foreground = butPtr->activeFg->pixel;
	gcValues.background = Tk_3DBorderColor(butPtr->activeBorder)->pixel;
	mask = GCForeground | GCBackground | GCFont;
	newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
	if (butPtr->activeTextGC != NULL) {
	    Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
	}
	butPtr->activeTextGC = newGC;
    }

    gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel;

    /*
     * Create the GC that can be used for stippling
     */

    if (butPtr->stippleGC == NULL) {
	gcValues.foreground = gcValues.background;
	mask = GCForeground;
	if (butPtr->gray == None) {
	    butPtr->gray = Tk_GetBitmap(NULL, butPtr->tkwin, "gray50");
	}
	if (butPtr->gray != None) {
	    gcValues.fill_style = FillStippled;

    mask = GCForeground | GCBackground | GCFont;
    if (butPtr->disabledFg != NULL) {
	gcValues.foreground = butPtr->disabledFg->pixel;
    } else {
	gcValues.foreground = gcValues.background;
    }
    newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
    if (butPtr->disabledGC != NULL) {
	Tk_FreeGC(butPtr->display, butPtr->disabledGC);
    }
    butPtr->disabledGC = newGC;

    if (butPtr->copyGC == NULL) {
	butPtr->copyGC = Tk_GetGC(butPtr->tkwin, 0, &gcValues);
    }

    TkpComputeButtonGeometry(butPtr);

    /*
     * Lastly, arrange for the button to be redisplayed.

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

    /*
     * Miscellaneous information:
     */

    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 = NULL;

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

    for (i = 1; i < objc; i++) {
	const 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 = NULL;
    }
    if (arcPtr->outline.gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), arcPtr->outline.gc);
    }
    arcPtr->outline.gc = newGC;

    if(state == TK_STATE_NULL) {
	state = Canvas(canvas)->canvas_state;
    }

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

    if (arcPtr->style == ARC_STYLE) {
	newGC = NULL;
    } else if (color == NULL) {
	newGC = NULL;
    } else {
	gcValues.foreground = color->pixel;
	if (arcPtr->style == CHORD_STYLE) {
	    gcValues.arc_mode = ArcChord;
	} else {
	    gcValues.arc_mode = ArcPieSlice;
	}
	mask = GCForeground|GCArcMode;
	if (stipple != None) {
	    gcValues.stipple = stipple;
	    gcValues.fill_style = FillStippled;
	    mask |= GCStipple|GCFillStyle;
	}
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    }
    if (arcPtr->fillGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), arcPtr->fillGC);
    }
    arcPtr->fillGC = newGC;

    tsoffset = &arcPtr->tsoffset;
    flags = tsoffset->flags;
    if (flags & TK_OFFSET_LEFT) {

    }
    if (arcPtr->activeFillStipple != None) {
	Tk_FreeBitmap(display, arcPtr->activeFillStipple);
    }
    if (arcPtr->disabledFillStipple != None) {
	Tk_FreeBitmap(display, arcPtr->disabledFillStipple);
    }
    if (arcPtr->fillGC != NULL) {
	Tk_FreeGC(display, arcPtr->fillGC);
    }
}

/*
 *--------------------------------------------------------------
 *

    }

    /*
     * Lastly, expand by the width of the arc (if the arc's outline is being
     * drawn) and add one extra pixel just for safety.
     */

    if (arcPtr->outline.gc == NULL) {
	tmp = 1;
    } else {
	tmp = (int) ((width + 1.0)/2.0 + 1);
    }
    arcPtr->header.x1 -= (int) tmp;
    arcPtr->header.y1 -= (int) tmp;
    arcPtr->header.x2 += (int) tmp;

    /*
     * Display filled arc first (if wanted), then outline. If the extent is
     * zero then don't invoke XFillArc or XDrawArc, since this causes some
     * window servers to crash and should be a no-op anyway.
     */

    if ((arcPtr->fillGC != NULL) && (extent != 0)) {
	if (stipple != None) {
	    int w = 0;
	    int h = 0;
	    Tk_TSOffset *tsoffset = &arcPtr->tsoffset;
	    int flags = tsoffset->flags;

	    if (flags & (TK_OFFSET_CENTER|TK_OFFSET_MIDDLE)) {

	}
	XFillArc(display, drawable, arcPtr->fillGC, x1, y1, (unsigned) (x2-x1),
		(unsigned) (y2-y1), start, extent);
	if (stipple != None) {
	    XSetTSOrigin(display, arcPtr->fillGC, 0, 0);
	}
    }
    if (arcPtr->outline.gc != NULL) {
	Tk_ChangeOutlineGC(canvas, itemPtr, &(arcPtr->outline));

	if (extent != 0) {
	    XDrawArc(display, drawable, arcPtr->outline.gc, x1, y1,
		    (unsigned) (x2-x1), (unsigned) (y2-y1), start, extent);
	}

			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, NULL);
	    } else if (arcPtr->style == PIESLICE_STYLE) {
		TkFillPolygon(canvas, arcPtr->outlinePtr, PIE_OUTLINE1_PTS,
			display, drawable, arcPtr->outline.gc, NULL);
		TkFillPolygon(canvas, arcPtr->outlinePtr + 2*PIE_OUTLINE1_PTS,
			PIE_OUTLINE2_PTS, display, drawable,
			arcPtr->outline.gc, NULL);
	    }
	}

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

		pointPtr[1] - arcPtr->center2[1]);
	if (newDist < dist) {
	    return newDist;
	}
	return dist;
    }

    if ((arcPtr->fillGC != NULL) || (arcPtr->outline.gc == NULL)) {
	filled = 1;
    } else {
	filled = 0;
    }
    if (arcPtr->outline.gc == NULL) {
	width = 0.0;
    }

    if (arcPtr->style == PIESLICE_STYLE) {
	if (width > 1.0) {
	    dist = TkPolygonToPoint(arcPtr->outlinePtr, PIE_OUTLINE1_PTS,
		    pointPtr);

	}
    } else if (state == TK_STATE_DISABLED) {
	if (arcPtr->outline.disabledWidth>0) {
	    width = (double) arcPtr->outline.disabledWidth;
	}
    }

    if ((arcPtr->fillGC != NULL) || (arcPtr->outline.gc == NULL)) {
	filled = 1;
    } else {
	filled = 0;
    }
    if (arcPtr->outline.gc == NULL) {
	width = 0.0;
    }

    /*
     * Transform both the arc and the rectangle so that the arc's oval is
     * centered on the origin.
     */

    interpState = Tcl_SaveInterpState(interp, TCL_OK);

    /*
     * If the arc is filled, output Postscript for the interior region of the
     * arc.
     */

    if (arcPtr->fillGC != NULL) {
	Tcl_AppendPrintfToObj(psObj,
		"matrix currentmatrix\n"
		"%.15g %.15g translate %.15g %.15g scale\n",
		(arcPtr->bbox[0] + arcPtr->bbox[2])/2, (y1 + y2)/2,
		(arcPtr->bbox[2] - arcPtr->bbox[0])/2, (y1 - y2)/2);

	if (arcPtr->style != CHORD_STYLE) {

	    Tcl_ResetResult(interp);
	    if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
		goto error;
	    }
	    Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));

	    if (arcPtr->outline.gc != NULL) {
		Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
	    }
	} else {
	    Tcl_AppendToObj(psObj, "fill\n", -1);
	}
    }

    /*
     * If there's an outline for the arc, draw it.
     */

    if (arcPtr->outline.gc != NULL) {
	Tcl_AppendPrintfToObj(psObj,
		"matrix currentmatrix\n"
		"%.15g %.15g translate %.15g %.15g scale\n",
		(arcPtr->bbox[0] + arcPtr->bbox[2])/2, (y1 + y2)/2,
		(arcPtr->bbox[2] - arcPtr->bbox[0])/2, (y1 - y2)/2);
	Tcl_AppendPrintfToObj(psObj,
		"0 0 1 %.15g %.15g arc\nsetmatrix\n0 setlinecap\n",

    bmapPtr->disabledBitmap = None;
    bmapPtr->fgColor = NULL;
    bmapPtr->activeFgColor = NULL;
    bmapPtr->disabledFgColor = NULL;
    bmapPtr->bgColor = NULL;
    bmapPtr->activeBgColor = NULL;
    bmapPtr->disabledBgColor = NULL;
    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 = NULL;
    } else {
	gcValues.foreground = fgColor->pixel;
	mask = GCForeground;
	if (bgColor != NULL) {
	    gcValues.background = bgColor->pixel;
	    mask |= GCBackground;
	} else {
	    gcValues.clip_mask = bitmap;
	    mask |= GCClipMask;
	}
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    }
    if (bmapPtr->gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), bmapPtr->gc);
    }
    bmapPtr->gc = newGC;

    ComputeBitmapBbox(canvas, bmapPtr);
    return TCL_OK;
}

	    image = imgPtr->disabledImage;
	}
    }

    x = (int) (imgPtr->x + ((imgPtr->x >= 0) ? 0.5 : - 0.5));
    y = (int) (imgPtr->y + ((imgPtr->y >= 0) ? 0.5 : - 0.5));

    if ((state == TK_STATE_HIDDEN) || (image == NULL)) {
	imgPtr->header.x1 = imgPtr->header.x2 = x;
	imgPtr->header.y1 = imgPtr->header.y2 = y;
	return;
    }

    /*
     * Compute location and size of image, using anchor information.

    Tk_CreateOutline(&linePtr->outline);
    linePtr->canvas = canvas;
    linePtr->numPoints = 0;
    linePtr->coordPtr = NULL;
    linePtr->capStyle = CapButt;
    linePtr->joinStyle = JoinRound;
    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 = NULL;
    }
    if (linePtr->outline.gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), linePtr->outline.gc);
    }
    if (linePtr->arrowGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), linePtr->arrowGC);
    }
    linePtr->outline.gc = newGC;
    linePtr->arrowGC = arrowGC;

    /*
     * Keep spline parameters within reasonable limits.

{
    LineItem *linePtr = (LineItem *) itemPtr;

    Tk_DeleteOutline(display, &linePtr->outline);
    if (linePtr->coordPtr != NULL) {
	ckfree(linePtr->coordPtr);
    }
    if (linePtr->arrowGC != NULL) {
	Tk_FreeGC(display, linePtr->arrowGC);
    }
    if (linePtr->firstArrowPtr != NULL) {
	ckfree(linePtr->firstArrowPtr);
    }
    if (linePtr->lastArrowPtr != NULL) {
	ckfree(linePtr->lastArrowPtr);

    LineItem *linePtr = (LineItem *) itemPtr;
    XPoint staticPoints[MAX_STATIC_POINTS*3];
    XPoint *pointPtr;
    double linewidth;
    int numPoints;
    Tk_State state = itemPtr->state;

    if (!linePtr->numPoints || (linePtr->outline.gc == NULL)) {
	return;
    }

    if (state == TK_STATE_NULL) {
	    state = Canvas(canvas)->canvas_state;
    }
    linewidth = linePtr->outline.width;

    polyPtr->tsoffset.yoffset = 0;
    polyPtr->fillColor = NULL;
    polyPtr->activeFillColor = NULL;
    polyPtr->disabledFillColor = NULL;
    polyPtr->fillStipple = None;
    polyPtr->activeFillStipple = None;
    polyPtr->disabledFillStipple = 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 = NULL;
    }
    if (polyPtr->outline.gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), polyPtr->outline.gc);
    }
    polyPtr->outline.gc = newGC;

    color = polyPtr->fillColor;
    stipple = polyPtr->fillStipple;
    if (Canvas(canvas)->currentItemPtr == itemPtr) {

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

    if (color == NULL) {
	newGC = NULL;
    } else {
	gcValues.foreground = color->pixel;
	mask = GCForeground;
	if (stipple != None) {
	    gcValues.stipple = stipple;
	    gcValues.fill_style = FillStippled;
	    mask |= GCStipple|GCFillStyle;
	}
#ifdef MAC_OSX_TK
	/*
	 * Mac OS X CG drawing needs access to the outline linewidth
	 * even for fills (as linewidth controls antialiasing).
	 */
	gcValues.line_width = polyPtr->outline.gc != None ?
		polyPtr->outline.gc->line_width : 0;
	mask |= GCLineWidth;
#endif
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    }
    if (polyPtr->fillGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), polyPtr->fillGC);
    }
    polyPtr->fillGC = newGC;

    /*
     * Keep spline parameters within reasonable limits.
     */

    }
    if (polyPtr->activeFillStipple != None) {
	Tk_FreeBitmap(display, polyPtr->activeFillStipple);
    }
    if (polyPtr->disabledFillStipple != None) {
	Tk_FreeBitmap(display, polyPtr->disabledFillStipple);
    }
    if (polyPtr->fillGC != NULL) {
	Tk_FreeGC(display, polyPtr->fillGC);
    }
}

/*
 *--------------------------------------------------------------
 *

	} else if (tsoffset->flags & TK_OFFSET_MIDDLE) {
	    tsoffset->yoffset = (polyPtr->header.y1 + polyPtr->header.y2)/2;
	} else if (tsoffset->flags & TK_OFFSET_BOTTOM) {
	    tsoffset->yoffset = polyPtr->header.y2;
	}
    }

    if (polyPtr->outline.gc != NULL) {
	tsoffset = &polyPtr->outline.tsoffset;
	if (tsoffset) {
	    if (tsoffset->flags & TK_OFFSET_INDEX) {
		int index = tsoffset->flags & ~TK_OFFSET_INDEX;

		if (tsoffset->flags == INT_MAX) {
		    index = (polyPtr->numPoints - 1) * 2;

    }

    /*
     * Display polygon, then free up polygon storage if it was dynamically
     * allocated.
     */

    if (gc != NULL && numPoints > 3) {
	XFillPolygon(display, drawable, gc, pointPtr, numPoints, Complex,
		CoordModeOrigin);
    }
    if (outlineGC != NULL) {
	XDrawLines(display, drawable, outlineGC, pointPtr, numPoints,
		CoordModeOrigin);
    }
    if (pointPtr != staticPoints) {
	ckfree(pointPtr);
    }
}

				 * redisplayed (not used). */
{
    PolygonItem *polyPtr = (PolygonItem *) itemPtr;
    Tk_State state = itemPtr->state;
    Pixmap stipple = polyPtr->fillStipple;
    double linewidth = polyPtr->outline.width;

    if (((polyPtr->fillGC == NULL) && (polyPtr->outline.gc == NULL)) ||
	    (polyPtr->numPoints < 1) ||
	    (polyPtr->numPoints < 3 && polyPtr->outline.gc == NULL)) {
	return;
    }

    if (state == TK_STATE_NULL) {
	state = Canvas(canvas)->canvas_state;
    }
    if (Canvas(canvas)->currentItemPtr == itemPtr) {

    }

    /*
     * If we're stippling then modify the stipple offset in the GC. Be sure to
     * reset the offset when done, since the GC is supposed to be read-only.
     */

    if ((stipple != None) && (polyPtr->fillGC != NULL)) {
	Tk_TSOffset *tsoffset = &polyPtr->tsoffset;
	int w = 0, h = 0;
	int flags = tsoffset->flags;

	if (!(flags & TK_OFFSET_INDEX)
		&& (flags & (TK_OFFSET_CENTER|TK_OFFSET_MIDDLE))) {
	    Tk_SizeOfBitmap(display, stipple, &w, &h);

	if (numPoints <= MAX_STATIC_POINTS) {
	    pointPtr = staticPoints;
	} else {
	    pointPtr = ckalloc(numPoints * sizeof(XPoint));
	}
	numPoints = polyPtr->smooth->coordProc(canvas, polyPtr->coordPtr,
		polyPtr->numPoints, polyPtr->splineSteps, pointPtr, NULL);
	if (polyPtr->fillGC != NULL) {
	    XFillPolygon(display, drawable, polyPtr->fillGC, pointPtr,
		    numPoints, Complex, CoordModeOrigin);
	}
	if (polyPtr->outline.gc != NULL) {
	    XDrawLines(display, drawable, polyPtr->outline.gc, pointPtr,
		    numPoints, CoordModeOrigin);
	}
	if (pointPtr != staticPoints) {
	    ckfree(pointPtr);
	}
    }
    Tk_ResetOutlineGC(canvas, itemPtr, &polyPtr->outline);
    if ((stipple != None) && (polyPtr->fillGC != NULL)) {
	XSetTSOrigin(display, polyPtr->fillGC, 0, 0);
    }
}

/*
 *--------------------------------------------------------------
 *

	polyPoints = polyPtr->coordPtr;
    }

    bestDist = TkPolygonToPoint(polyPoints, numPoints, pointPtr);
    if (bestDist <= 0.0) {
	goto donepoint;
    }
    if ((polyPtr->outline.gc != NULL) && (polyPtr->joinStyle == JoinRound)) {
	dist = bestDist - radius;
	if (dist <= 0.0) {
	    bestDist = 0.0;
	    goto donepoint;
	} else {
	    bestDist = dist;
	}
    }

    if ((polyPtr->outline.gc == NULL) || (width <= 1)) {
	goto donepoint;
    }

    /*
     * The overall idea is to iterate through all of the edges of the line,
     * computing a polygon for each edge and testing the point against that
     * polygon. In addition, there are additional tests to deal with rounded

     */

    inside = TkPolygonToArea(polyPoints, numPoints, rectPtr);
    if (inside == 0) {
	goto donearea;
    }

    if (polyPtr->outline.gc == NULL) {
	goto donearea;
    }

    /*
     * Iterate through all of the edges of the line, computing a polygon for
     * each edge and testing the area against that polygon. In addition, there
     * are additional tests to deal with rounded joints and caps.

    textPtr->angle	= 0.0;

    textPtr->numChars	= 0;
    textPtr->numBytes	= 0;
    textPtr->textLayout = NULL;
    textPtr->actualWidth = 0;
    textPtr->drawOrigin[0] = textPtr->drawOrigin[1] = 0.0;
    textPtr->gc		= NULL;
    textPtr->selTextGC	= NULL;
    textPtr->cursorOffGC = NULL;
    textPtr->sine	= 0.0;
    textPtr->cosine	= 1.0;

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

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

    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) {

	    mask |= GCStipple|GCFillStyle;
	}
	if (textInfoPtr->selFgColorPtr != NULL) {
	    gcValues.foreground = textInfoPtr->selFgColorPtr->pixel;
	}
	newSelGC = Tk_GetGC(tkwin, mask|GCForeground, &gcValues);
    }
    if (textPtr->gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), textPtr->gc);
    }
    textPtr->gc = newGC;
    if (textPtr->selTextGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), textPtr->selTextGC);
    }
    textPtr->selTextGC = newSelGC;

    selBgColorPtr = Tk_3DBorderColor(textInfoPtr->selBorder);
    if (Tk_3DBorderColor(textInfoPtr->insertBorder)->pixel
	    == selBgColorPtr->pixel) {
	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 = NULL;
    }
    if (textPtr->cursorOffGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), textPtr->cursorOffGC);
    }
    textPtr->cursorOffGC = newGC;

    /*
     * If the text was changed, move the selection and insertion indices to
     * keep them inside the item.

	Tk_FreeBitmap(display, textPtr->disabledStipple);
    }
    if (textPtr->text != NULL) {
	ckfree(textPtr->text);
    }

    Tk_FreeTextLayout(textPtr->textLayout);
    if (textPtr->gc != NULL) {
	Tk_FreeGC(display, textPtr->gc);
    }
    if (textPtr->selTextGC != NULL) {
	Tk_FreeGC(display, textPtr->selTextGC);
    }
    if (textPtr->cursorOffGC != NULL) {
	Tk_FreeGC(display, textPtr->cursorOffGC);
    }
}

/*
 *--------------------------------------------------------------
 *

	}
    } else if (state == TK_STATE_DISABLED) {
	if (textPtr->disabledStipple != None) {
	    stipple = textPtr->disabledStipple;
	}
    }

    if (textPtr->gc == NULL) {
	return;
    }

    /*
     * If we're stippling, then modify the stipple offset in the GC. Be sure
     * to reset the offset when done, since the GC is supposed to be
     * read-only.

	    Tk_SetCaretPos(Tk_CanvasTkwin(canvas), points[0].x, points[0].y,
		    height);
	    if (textInfoPtr->cursorOn) {
		Tk_Fill3DPolygon(Tk_CanvasTkwin(canvas), drawable,
			textInfoPtr->insertBorder, points, 4,
			textInfoPtr->insertBorderWidth, TK_RELIEF_RAISED);
	    } else if (textPtr->cursorOffGC != NULL) {
		/*
		 * Redraw the background over the area of the cursor, even
		 * though the cursor is turned off. This guarantees that the
		 * selection won't make the cursor invisible on mono displays,
		 * where both may be drawn in the same color.
		 */

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

void
Tk_CreateOutline(
    Tk_Outline *outline)	/* Outline structure to be filled in. */
{
    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;

 */

void
Tk_DeleteOutline(
    Display *display,		/* Display containing window. */
    Tk_Outline *outline)
{
    if (outline->gc != NULL) {
	Tk_FreeGC(display, outline->gc);
    }
    if ((unsigned) ABS(outline->dash.number) > sizeof(char *)) {
	ckfree(outline->dash.pattern.pt);
    }
    if ((unsigned) ABS(outline->activeDash.number) > sizeof(char *)) {
	ckfree(outline->activeDash.pattern.pt);

    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 = 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 = 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;

    /*
     * Free up all the stuff that requires special handling, then let
     * Tk_FreeOptions handle all the standard option-related stuff.
     */

    Tcl_DeleteHashTable(&canvasPtr->idTable);
    if (canvasPtr->pixmapGC != NULL) {
	Tk_FreeGC(canvasPtr->display, canvasPtr->pixmapGC);
    }
#ifndef USE_OLD_TAG_SEARCH
    expr = canvasPtr->bindTagExprs;
    while (expr) {
	next = expr->next;
	TagSearchExprDestroy(expr);

    canvasPtr->inset = canvasPtr->borderWidth + canvasPtr->highlightWidth;

    gcValues.function = GXcopy;
    gcValues.graphics_exposures = False;
    gcValues.foreground = Tk_3DBorderColor(canvasPtr->bgBorder)->pixel;
    newGC = Tk_GetGC(canvasPtr->tkwin,
	    GCFunction|GCGraphicsExposures|GCForeground, &gcValues);
    if (canvasPtr->pixmapGC != NULL) {
	Tk_FreeGC(canvasPtr->display, canvasPtr->pixmapGC);
    }
    canvasPtr->pixmapGC = newGC;

    /*
     * Reconfigure items to reflect changed state disabled/normal.
     */

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

    /*
     * Miscellaneous information:
     */

    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 = 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 = 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;

     * Tk_GetColor.
     */

    if (tkColPtr->magic != COLOR_MAGIC) {
	Tcl_Panic("Tk_GCForColor called with bogus color");
    }

    if (tkColPtr->gc == NULL) {
	gcValues.foreground = tkColPtr->color.pixel;
	tkColPtr->gc = XCreateGC(DisplayOfScreen(tkColPtr->screen), drawable,
		GCForeground, &gcValues);
    }
    return tkColPtr->gc;
}


    /*
     * 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 != NULL) {
	XFreeGC(DisplayOfScreen(screen), tkColPtr->gc);
	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 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 = NULL;
	    valuePtr = NULL;
	} else {
	    newCursor = Tk_AllocCursorFromObj(interp, tkwin, valuePtr);
	    if (newCursor == NULL) {
		return TCL_ERROR;
	    }
	}
	if (internalPtr != NULL) {
	    *((Tk_Cursor *) oldInternalPtr) = *((Tk_Cursor *) internalPtr);
	    *((Tk_Cursor *) internalPtr) = newCursor;
	}

	break;
    }
    case TK_OPTION_WINDOW: {
	Tk_Window newWin;

	if (nullOK && ObjectIsEmpty(valuePtr)) {
	    valuePtr = NULL;
	    newWin = NULL;
	} else {
	    if (TkGetWindowFromObj(interp, tkwin, valuePtr,
		    &newWin) != TCL_OK) {
		return TCL_ERROR;
	    }
	}
	if (internalPtr != NULL) {

	    }
	} else if (objPtr != NULL) {
	    Tk_Free3DBorderFromObj(tkwin, objPtr);
	}
	break;
    case TK_OPTION_CURSOR:
	if (internalFormExists) {
	    if (*((Tk_Cursor *) internalPtr) != NULL) {
		Tk_FreeCursor(Tk_Display(tkwin), *((Tk_Cursor *) internalPtr));
		*((Tk_Cursor *) internalPtr) = NULL;
	    }
	} else if (objPtr != NULL) {
	    Tk_FreeCursorFromObj(tkwin, objPtr);
	}
	break;
    case TK_OPTION_CUSTOM: {
	const Tk_ObjCustomOption *custom = optionPtr->extra.custom;

    }
    case TK_OPTION_RELIEF:
	objPtr = Tcl_NewStringObj(Tk_NameOfRelief(*((int *) internalPtr)), -1);
	break;
    case TK_OPTION_CURSOR: {
	Tk_Cursor cursor = *((Tk_Cursor *) internalPtr);

	if (cursor != NULL) {
	    objPtr = Tcl_NewStringObj(
		    Tk_NameOfCursor(Tk_Display(tkwin), cursor), -1);
	}
	break;
    }
    case TK_OPTION_JUSTIFY:
	objPtr = Tcl_NewStringObj(Tk_NameOfJustify(

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

    cursorPtr = TkcGetCursor(interp, tkwin, Tcl_GetString(objPtr));
    objPtr->internalRep.twoPtrValue.ptr1 = cursorPtr;
    if (cursorPtr == NULL) {
	return NULL;
    }
    cursorPtr->objRefCount++;
    return cursorPtr->cursor;
}

/*
 *----------------------------------------------------------------------

    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 NULL;
    }
    return cursorPtr->cursor;
}

/*
 *----------------------------------------------------------------------
 *

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

  error:
    Tcl_DeleteHashEntry(dataHashPtr);
    return NULL;
}

/*
 *--------------------------------------------------------------
 *
 * Tk_NameOfCursor --
 *

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

    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		= 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.
     */

    ckfree((char *)entryPtr->string);
    if (entryPtr->textVarName != NULL) {
	Tcl_UntraceVar2(entryPtr->interp, entryPtr->textVarName,
		NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		EntryTextVarProc, entryPtr);
	entryPtr->flags &= ~ENTRY_VAR_TRACED;
    }
    if (entryPtr->textGC != NULL) {
	Tk_FreeGC(entryPtr->display, entryPtr->textGC);
    }
    if (entryPtr->selTextGC != NULL) {
	Tk_FreeGC(entryPtr->display, entryPtr->selTextGC);
    }
    Tcl_DeleteTimerHandler(entryPtr->insertBlinkHandler);
    if (entryPtr->displayString != entryPtr->string) {
	ckfree((char *)entryPtr->displayString);
    }
    if (entryPtr->type == TK_SPINBOX) {

 */

static void
EntryWorldChanged(
    ClientData instanceData)	/* Information about widget. */
{
    XGCValues gcValues;
    GC gc = NULL;
    unsigned long mask;
    Tk_3DBorder border;
    XColor *colorPtr;
    Entry *entryPtr = instanceData;

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

    Tk_SetBackgroundFromBorder(entryPtr->tkwin, border);
    gcValues.foreground = colorPtr->pixel;
    gcValues.font = Tk_FontId(entryPtr->tkfont);
    gcValues.graphics_exposures = False;
    mask = GCForeground | GCFont | GCGraphicsExposures;
    gc = Tk_GetGC(entryPtr->tkwin, mask, &gcValues);
    if (entryPtr->textGC != NULL) {
	Tk_FreeGC(entryPtr->display, entryPtr->textGC);
    }
    entryPtr->textGC = gc;

    if (entryPtr->selFgColorPtr != NULL) {
	gcValues.foreground = entryPtr->selFgColorPtr->pixel;
    }
    gcValues.font = Tk_FontId(entryPtr->tkfont);
    mask = GCForeground | GCFont;
    gc = Tk_GetGC(entryPtr->tkwin, mask, &gcValues);
    if (entryPtr->selTextGC != NULL) {
	Tk_FreeGC(entryPtr->display, entryPtr->selTextGC);
    }
    entryPtr->selTextGC = gc;

    /*
     * Recompute the window's geometry and arrange for it to be redisplayed.
     */

	    sbPtr->curElement = elem;
	    if (elem == SEL_ENTRY) {
		cursor = entryPtr->cursor;
	    } else if ((elem == SEL_BUTTONDOWN) || (elem == SEL_BUTTONUP)) {
		cursor = sbPtr->bCursor;
	    } else {
		cursor = NULL;
	    }
	    if (cursor != NULL) {
		Tk_DefineCursor(entryPtr->tkwin, cursor);
	    } else {
		Tk_UndefineCursor(entryPtr->tkwin);
	    }
	}
	return;
    }

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

    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		= NULL;
    entryPtr->selTextGC		= NULL;
    entryPtr->highlightGC	= NULL;
    entryPtr->avgWidth		= 1;
    entryPtr->validate		= VALIDATE_NONE;

    sbPtr->selElement		= SEL_NONE;
    sbPtr->curElement		= SEL_NONE;
    sbPtr->bCursor		= NULL;
    sbPtr->repeatDelay		= 400;
    sbPtr->repeatInterval	= 100;
    sbPtr->fromValue		= 0.0;
    sbPtr->toValue		= 100.0;
    sbPtr->increment		= 1.0;
    sbPtr->formatBuf		= 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 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 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.

	 */

	/*
	 * ...well, except when we use the tkwm patches, in which case we DO
	 * handle CreateNotify events, so we gotta pass 'em through.
	 */

	if ((ip.winPtr != NULL)
		&& ((mask != SubstructureNotifyMask)
		|| (eventPtr->type == CreateNotify))) {
	    TkBindEventProc(winPtr, eventPtr);
	}
    }
    tsdPtr->pendingPtr = ip.nextPtr;

	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 = NULL;
	    }
	}
	ckfree(handlerPtr);
    }
}

/*

    framePtr->interp = interp;
    framePtr->widgetCmd	= Tcl_CreateObjCommand(interp, Tk_PathName(newWin),
	    FrameWidgetObjCmd, framePtr, FrameCmdDeletedProc);
    framePtr->optionTable = optionTable;
    framePtr->type = type;
    framePtr->colormap = colormap;
    framePtr->relief = TK_RELIEF_FLAT;
    framePtr->cursor = NULL;

    if (framePtr->type == TYPE_LABELFRAME) {
	Labelframe *labelframePtr = (Labelframe *) framePtr;

	labelframePtr->labelAnchor = LABELANCHOR_NW;
	labelframePtr->textGC = NULL;
    }

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

    Tk_SetClassProcs(newWin, &frameClass, framePtr);

    void *memPtr)		/* Info about frame widget. */
{
    register Frame *framePtr = memPtr;
    register Labelframe *labelframePtr = memPtr;

    if (framePtr->type == TYPE_LABELFRAME) {
	Tk_FreeTextLayout(labelframePtr->textLayout);
	if (labelframePtr->textGC != NULL) {
	    Tk_FreeGC(framePtr->display, labelframePtr->textGC);
	}
    }
    if (framePtr->colormap != None) {
	Tk_FreeColormap(framePtr->display, framePtr->colormap);
    }
    ckfree(framePtr);

	 */

	gcValues.font = Tk_FontId(labelframePtr->tkfont);
	gcValues.foreground = labelframePtr->textColorPtr->pixel;
	gcValues.graphics_exposures = False;
	gc = Tk_GetGC(tkwin, GCForeground | GCFont | GCGraphicsExposures,
		&gcValues);
	if (labelframePtr->textGC != NULL) {
	    Tk_FreeGC(framePtr->display, labelframePtr->textGC);
	}
	labelframePtr->textGC = gc;

	/*
	 * Calculate label size.
	 */

     */

    pmap = Tk_GetPixmap(Tk_Display(tkwin), Tk_WindowId(tkwin), width, height,
	    Tk_Depth(tkwin));

    gcValues.foreground = WhitePixelOfScreen(Tk_Screen(tkwin));
    newGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
    if (newGC != NULL) {
	XFillRectangle(Tk_Display(tkwin), pmap, newGC, 0, 0,
		(unsigned) width, (unsigned) height);
	Tk_FreeGC(Tk_Display(tkwin), newGC);
    }

    Tk_RedrawImage(image, x, y, width, height, pmap, 0, 0);

	    }
	} else {
	    gcValues.clip_mask = instancePtr->bitmap;
	    mask |= GCClipMask;
	}
	gc = Tk_GetGC(instancePtr->tkwin, mask, &gcValues);
    } else {
	gc = NULL;
    }
    if (instancePtr->gc != NULL) {
	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 != NULL) {
	Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
    }
    instancePtr->gc = NULL;
    Tcl_AppendObjToErrorInfo(masterPtr->interp, Tcl_ObjPrintf(
	    "\n    (while configuring image \"%s\")", Tk_NameOfImage(
	    masterPtr->tkMaster)));
    Tcl_BackgroundException(masterPtr->interp, TCL_ERROR);
}

/*

    instancePtr->refCount = 1;
    instancePtr->masterPtr = masterPtr;
    instancePtr->tkwin = tkwin;
    instancePtr->fg = NULL;
    instancePtr->bg = NULL;
    instancePtr->bitmap = None;
    instancePtr->mask = 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.
     */

    int masking;

    /*
     * If there's no graphics context, it means that an error occurred while
     * creating the image instance so it can't be displayed.
     */

    if (instancePtr->gc == NULL) {
	return;
    }

    /*
     * If masking is in effect, must modify the mask origin within the
     * graphics context to line up with the image's origin. Then draw the
     * image and reset the clip origin, if there's a mask.

    }
    if (instancePtr->bitmap != None) {
	Tk_FreePixmap(display, instancePtr->bitmap);
    }
    if (instancePtr->mask != None) {
	Tk_FreePixmap(display, instancePtr->mask);
    }
    if (instancePtr->gc != NULL) {
	Tk_FreeGC(display, instancePtr->gc);
    }
    if (instancePtr->masterPtr->instancePtr == instancePtr) {
	instancePtr->masterPtr->instancePtr = instancePtr->nextPtr;
    } else {
	for (prevPtr = instancePtr->masterPtr->instancePtr;
		prevPtr->nextPtr != instancePtr; prevPtr = prevPtr->nextPtr) {

{
    PhotoInstance *instancePtr = clientData;
    PhotoInstance *prevPtr;

    if (instancePtr->pixels != None) {
	Tk_FreePixmap(instancePtr->display, instancePtr->pixels);
    }
    if (instancePtr->gc != NULL) {
	Tk_FreeGC(instancePtr->display, instancePtr->gc);
    }
    if (instancePtr->imagePtr != NULL) {
	XDestroyImage(instancePtr->imagePtr);
    }
    if (instancePtr->error != NULL) {
	ckfree(instancePtr->error);

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

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

    ckfree(listPtr->itemAttrTable);

    /*
     * Free up all the stuff that requires special handling, then let
     * Tk_FreeOptions handle all the standard option-related stuff.
     */

    if (listPtr->textGC != NULL) {
	Tk_FreeGC(listPtr->display, listPtr->textGC);
    }
    if (listPtr->selTextGC != NULL) {
	Tk_FreeGC(listPtr->display, listPtr->selTextGC);
    }
    if (listPtr->gray != None) {
	Tk_FreeBitmap(Tk_Display(listPtr->tkwin), listPtr->gray);
    }

    Tk_FreeConfigOptions((char *) listPtr, listPtr->optionTable,

	    gcValues.stipple = listPtr->gray;
	    mask |= GCFillStyle | GCStipple;
	}
    }

    gcValues.font = Tk_FontId(listPtr->tkfont);
    gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
    if (listPtr->textGC != NULL) {
	Tk_FreeGC(listPtr->display, listPtr->textGC);
    }
    listPtr->textGC = gc;

    if (listPtr->selFgColorPtr != NULL) {
	gcValues.foreground = listPtr->selFgColorPtr->pixel;
    }
    gcValues.font = Tk_FontId(listPtr->tkfont);
    mask = GCForeground | GCFont;
    gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
    if (listPtr->selTextGC != NULL) {
	Tk_FreeGC(listPtr->display, listPtr->selTextGC);
    }
    listPtr->selTextGC = gc;

    /*
     * Register the desired geometry for the window and arrange for the window
     * to be redisplayed.

extern int TkCygwinMainEx(int, char **, Tcl_AppInitProc *, Tcl_Interp *);

/*
 * The default prompt used when the user has not overridden it.
 */

static const char DEFAULT_PRIMARY_PROMPT[] = "% ";

/*
 * This file can be compiled on Windows in UNICODE mode, as well as
 * on all other platforms using the native encoding. This is done
 * by using the normal Windows functions like _tcscmp, but on
 * platforms which don't have <tchar.h> we have to translate that
 * to strcmp here.

	isPtr->gotPartial ? "tcl_prompt2" : "tcl_prompt1", NULL, TCL_GLOBAL_ONLY);
    if (promptCmdPtr == NULL) {
    defaultPrompt:
	if (!isPtr->gotPartial) {
	    chan = Tcl_GetStdChannel(TCL_STDOUT);
	    if (chan != NULL) {
		Tcl_WriteChars(chan, DEFAULT_PRIMARY_PROMPT,
			sizeof(DEFAULT_PRIMARY_PROMPT) - 1);
	    }
	}
    } else {
	code = Tcl_EvalObjEx(interp, promptCmdPtr, TCL_EVAL_GLOBAL);
	if (code != TCL_OK) {
	    Tcl_AddErrorInfo(interp,
		    "\n    (script that generates prompt)");

    menuPtr->tkwin = newWin;
    menuPtr->display = Tk_Display(newWin);
    menuPtr->interp = interp;
    menuPtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(menuPtr->tkwin), MenuWidgetObjCmd, menuPtr,
	    MenuCmdDeletedProc);
    menuPtr->active = -1;
    menuPtr->cursorPtr = NULL;
    menuPtr->masterMenuPtr = menuPtr;
    menuPtr->menuType = UNKNOWN_TYPE;
    TkMenuInitializeDrawingFields(menuPtr);

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

    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 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. 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 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 = NULL;
    menuPtr->gray = 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 = NULL;
    mePtr->activeGC = NULL;
    mePtr->disabledGC = NULL;
    mePtr->indicatorGC = NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMenuFreeDrawOptions --
 *

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

void
TkMenuFreeDrawOptions(
    TkMenu *menuPtr)
{
    if (menuPtr->textGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->textGC);
    }
    if (menuPtr->disabledImageGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->disabledImageGC);
    }
    if (menuPtr->gray != None) {
	Tk_FreeBitmap(menuPtr->display, menuPtr->gray);
    }
    if (menuPtr->disabledGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->disabledGC);
    }
    if (menuPtr->activeGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->activeGC);
    }
    if (menuPtr->indicatorGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->indicatorGC);
    }
}

/*
 *----------------------------------------------------------------------
 *

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

void
TkMenuEntryFreeDrawOptions(
    TkMenuEntry *mePtr)
{
    if (mePtr->textGC != NULL) {
	Tk_FreeGC(mePtr->menuPtr->display, mePtr->textGC);
    }
    if (mePtr->disabledGC != NULL) {
	Tk_FreeGC(mePtr->menuPtr->display, mePtr->disabledGC);
    }
    if (mePtr->activeGC != NULL) {
	Tk_FreeGC(mePtr->menuPtr->display, mePtr->activeGC);
    }
    if (mePtr->indicatorGC != NULL) {
	Tk_FreeGC(mePtr->menuPtr->display, mePtr->indicatorGC);
    }
}

/*
 *----------------------------------------------------------------------
 *

    tkfont = Tk_GetFontFromObj(menuPtr->tkwin, menuPtr->fontPtr);
    gcValues.font = Tk_FontId(tkfont);
    fg = Tk_GetColorFromObj(menuPtr->tkwin, menuPtr->fgPtr);
    gcValues.foreground = fg->pixel;
    gcValues.background = Tk_3DBorderColor(border)->pixel;
    newGC = Tk_GetGC(menuPtr->tkwin, GCForeground|GCBackground|GCFont,
	    &gcValues);
    if (menuPtr->textGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->textGC);
    }
    menuPtr->textGC = newGC;

    gcValues.font = Tk_FontId(tkfont);
    gcValues.background = Tk_3DBorderColor(border)->pixel;
    if (menuPtr->disabledFgPtr != NULL) {

	if (menuPtr->gray != None) {
	    gcValues.fill_style = FillStippled;
	    gcValues.stipple = menuPtr->gray;
	    mask = GCForeground|GCFillStyle|GCStipple;
	}
    }
    newGC = Tk_GetGC(menuPtr->tkwin, mask, &gcValues);
    if (menuPtr->disabledGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->disabledGC);
    }
    menuPtr->disabledGC = newGC;

    gcValues.foreground = Tk_3DBorderColor(border)->pixel;
    if (menuPtr->gray == None) {
	menuPtr->gray = Tk_GetBitmap(menuPtr->interp, menuPtr->tkwin,
		"gray50");
    }
    if (menuPtr->gray != None) {
	gcValues.fill_style = FillStippled;
	gcValues.stipple = menuPtr->gray;
	newGC = Tk_GetGC(menuPtr->tkwin,
	    GCForeground|GCFillStyle|GCStipple, &gcValues);
    }
    if (menuPtr->disabledImageGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->disabledImageGC);
    }
    menuPtr->disabledImageGC = newGC;

    gcValues.font = Tk_FontId(tkfont);
    activeFg = Tk_GetColorFromObj(menuPtr->tkwin, menuPtr->activeFgPtr);
    gcValues.foreground = activeFg->pixel;
    activeBorder = Tk_Get3DBorderFromObj(menuPtr->tkwin,
	    menuPtr->activeBorderPtr);
    gcValues.background = Tk_3DBorderColor(activeBorder)->pixel;
    newGC = Tk_GetGC(menuPtr->tkwin, GCForeground|GCBackground|GCFont,
	    &gcValues);
    if (menuPtr->activeGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->activeGC);
    }
    menuPtr->activeGC = newGC;

    indicatorFg = Tk_GetColorFromObj(menuPtr->tkwin,
	    menuPtr->indicatorFgPtr);
    gcValues.foreground = indicatorFg->pixel;
    gcValues.background = Tk_3DBorderColor(border)->pixel;
    newGC = Tk_GetGC(menuPtr->tkwin, GCForeground|GCBackground|GCFont,
	    &gcValues);
    if (menuPtr->indicatorGC != NULL) {
	Tk_FreeGC(menuPtr->display, menuPtr->indicatorGC);
    }
    menuPtr->indicatorGC = newGC;
}

/*
 *----------------------------------------------------------------------

	gcValues.foreground = activeFg->pixel;
	gcValues.background = Tk_3DBorderColor(activeBorder)->pixel;
	newActiveGC = Tk_GetGC(menuPtr->tkwin,
		GCForeground|GCBackground|GCFont|GCGraphicsExposures,
		&gcValues);
    } else {
	newGC = NULL;
	newActiveGC = NULL;
	newDisabledGC = NULL;
	newIndicatorGC = NULL;
    }
    if (mePtr->textGC != NULL) {
	Tk_FreeGC(menuPtr->display, mePtr->textGC);
    }
    mePtr->textGC = newGC;
    if (mePtr->activeGC != NULL) {
	Tk_FreeGC(menuPtr->display, mePtr->activeGC);
    }
    mePtr->activeGC = newActiveGC;
    if (mePtr->disabledGC != NULL) {
	Tk_FreeGC(menuPtr->display, mePtr->disabledGC);
    }
    mePtr->disabledGC = newDisabledGC;
    if (mePtr->indicatorGC != NULL) {
	Tk_FreeGC(menuPtr->display, mePtr->indicatorGC);
    }
    mePtr->indicatorGC = newIndicatorGC;
    return TCL_OK;
}

/*

    mbPtr->highlightBgColorPtr = NULL;
    mbPtr->highlightColorPtr = NULL;
    mbPtr->inset = 0;
    mbPtr->tkfont = NULL;
    mbPtr->normalFg = NULL;
    mbPtr->activeFg = NULL;
    mbPtr->disabledFg = NULL;
    mbPtr->normalTextGC = NULL;
    mbPtr->activeTextGC = NULL;
    mbPtr->gray = 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 = NULL;
    mbPtr->takeFocus = NULL;
    mbPtr->flags = 0;

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

	Tcl_UntraceVar2(mbPtr->interp, mbPtr->textVarName, NULL,
		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		MenuButtonTextVarProc, mbPtr);
    }
    if (mbPtr->image != NULL) {
	Tk_FreeImage(mbPtr->image);
    }
    if (mbPtr->normalTextGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->normalTextGC);
    }
    if (mbPtr->activeTextGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->activeTextGC);
    }
    if (mbPtr->disabledGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->disabledGC);
    }
    if (mbPtr->stippleGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->stippleGC);
    }
    if (mbPtr->gray != None) {
	Tk_FreeBitmap(mbPtr->display, mbPtr->gray);
    }
    if (mbPtr->textLayout != NULL) {
	Tk_FreeTextLayout(mbPtr->textLayout);

     * to copy stuff from an off-screen pixmap onto the screen (we know that
     * there's no problem with obscured areas).
     */

    gcValues.graphics_exposures = False;
    mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
    gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
    if (mbPtr->normalTextGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->normalTextGC);
    }
    mbPtr->normalTextGC = gc;

    gcValues.foreground = mbPtr->activeFg->pixel;
    gcValues.background = Tk_3DBorderColor(mbPtr->activeBorder)->pixel;
    mask = GCForeground | GCBackground | GCFont;
    gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
    if (mbPtr->activeTextGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->activeTextGC);
    }
    mbPtr->activeTextGC = gc;

    gcValues.background = Tk_3DBorderColor(mbPtr->normalBorder)->pixel;

    /*
     * Create the GC that can be used for stippling
     */

    if (mbPtr->stippleGC == NULL) {
	gcValues.foreground = gcValues.background;
	mask = GCForeground;
	if (mbPtr->gray == None) {
	    mbPtr->gray = Tk_GetBitmap(NULL, mbPtr->tkwin, "gray50");
	}
	if (mbPtr->gray != None) {
	    gcValues.fill_style = FillStippled;

    mask = GCForeground | GCBackground | GCFont;
    if (mbPtr->disabledFg != NULL) {
	gcValues.foreground = mbPtr->disabledFg->pixel;
    } else {
	gcValues.foreground = gcValues.background;
    }
    gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
    if (mbPtr->disabledGC != NULL) {
	Tk_FreeGC(mbPtr->display, mbPtr->disabledGC);
    }
    mbPtr->disabledGC = gc;

    TkpComputeMenuButtonGeometry(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 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, msgPtr,
	    MessageCmdDeletedProc);
    msgPtr->optionTable = optionTable;
    msgPtr->relief = TK_RELIEF_FLAT;
    msgPtr->textGC = NULL;
    msgPtr->anchor = TK_ANCHOR_CENTER;
    msgPtr->aspect = 150;
    msgPtr->justify = TK_JUSTIFY_LEFT;
    msgPtr->cursor = NULL;

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

    }

    /*
     * Free up all the stuff that requires special handling, then let
     * Tk_FreeConfigOptions handle all the standard option-related stuff.
     */

    if (msgPtr->textGC != NULL) {
	Tk_FreeGC(msgPtr->display, msgPtr->textGC);
    }
    if (msgPtr->textLayout != NULL) {
	Tk_FreeTextLayout(msgPtr->textLayout);
    }
    if (msgPtr->textVarName != NULL) {
	Tcl_UntraceVar2(msgPtr->interp, msgPtr->textVarName, NULL,

 */

static void
MessageWorldChanged(
    ClientData instanceData)	/* Information about widget. */
{
    XGCValues gcValues;
    GC gc = NULL;
    Tk_FontMetrics fm;
    Message *msgPtr = instanceData;

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

    gcValues.font = Tk_FontId(msgPtr->tkfont);
    gcValues.foreground = msgPtr->fgColorPtr->pixel;
    gc = Tk_GetGC(msgPtr->tkwin, GCForeground | GCFont, &gcValues);
    if (msgPtr->textGC != NULL) {
	Tk_FreeGC(msgPtr->display, msgPtr->textGC);
    }
    msgPtr->textGC = gc;

    Tk_GetFontMetrics(msgPtr->tkfont, &fm);
    if (msgPtr->padX < 0) {
	msgPtr->padX = fm.ascent / 2;

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

	    if (nullValue) {
		newCursor = NULL;
	    } else {
		uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
		newCursor = Tk_GetCursor(interp, tkwin, uid);
		if (newCursor == NULL) {
		    return TCL_ERROR;
		}
	    }
	    oldCursor = *((Tk_Cursor *) ptr);
	    if (oldCursor != NULL) {
		Tk_FreeCursor(Tk_Display(tkwin), oldCursor);
	    }
	    *((Tk_Cursor *) ptr) = newCursor;
	    if (specPtr->type == TK_CONFIG_ACTIVE_CURSOR) {
		Tk_DefineCursor(tkwin, newCursor);
	    }
	    break;

    case TK_CONFIG_RELIEF:
	result = Tk_NameOfRelief(*((int *) ptr));
	break;
    case TK_CONFIG_CURSOR:
    case TK_CONFIG_ACTIVE_CURSOR: {
	Tk_Cursor cursor = *((Tk_Cursor *) ptr);

	if (cursor != NULL) {
	    result = Tk_NameOfCursor(Tk_Display(tkwin), cursor);
	}
	break;
    }
    case TK_CONFIG_JUSTIFY:
	result = Tk_NameOfJustify(*((Tk_Justify *) ptr));
	break;

	    if (*((Tk_3DBorder *) ptr) != NULL) {
		Tk_Free3DBorder(*((Tk_3DBorder *) ptr));
		*((Tk_3DBorder *) ptr) = NULL;
	    }
	    break;
	case TK_CONFIG_CURSOR:
	case TK_CONFIG_ACTIVE_CURSOR:
	    if (*((Tk_Cursor *) ptr) != NULL) {
		Tk_FreeCursor(display, *((Tk_Cursor *) ptr));
		*((Tk_Cursor *) ptr) = NULL;
	    }
	}
    }
}

/*
 *--------------------------------------------------------------

    pwPtr->interp = interp;
    pwPtr->widgetCmd = Tcl_CreateObjCommand(interp,
	    Tk_PathName(pwPtr->tkwin), PanedWindowWidgetObjCmd, pwPtr,
	    PanedWindowCmdDeletedProc);
    pwPtr->optionTable = pwOpts->pwOptions;
    pwPtr->slaveOpts = pwOpts->slaveOpts;
    pwPtr->relief = TK_RELIEF_RAISED;
    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(pwPtr->tkwin);

     * If either -after or -before was given, find the numerical index that
     * corresponds to the given window. If both -after and -before are given,
     * the option precedence is: -after, then -before.
     */

    index = -1;
    haveLoc = 0;
    if (options.after != NULL) {
	tkwin = options.after;
	haveLoc = 1;
	for (i = 0; i < pwPtr->numSlaves; i++) {
	    if (options.after == pwPtr->slaves[i]->tkwin) {
		index = i + 1;
		break;
	    }
	}
    } else if (options.before != NULL) {
	tkwin = options.before;
	haveLoc = 1;
	for (i = 0; i < pwPtr->numSlaves; i++) {
	    if (options.before == pwPtr->slaves[i]->tkwin) {
		index = i;
		break;
	    }

    /*
     * Allocated a graphics context for drawing the paned window widget
     * elements (background, sashes, etc.) and set the window background.
     */

    gcValues.background = Tk_3DBorderColor(pwPtr->background)->pixel;
    newGC = Tk_GetGC(pwPtr->tkwin, GCBackground, &gcValues);
    if (pwPtr->gc != NULL) {
	Tk_FreeGC(pwPtr->display, pwPtr->gc);
    }
    pwPtr->gc = newGC;
    Tk_SetWindowBackground(pwPtr->tkwin, gcValues.background);

    /*
     * Issue geometry size requests to Tk.

    /*
     * 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 = NULL;
	}
	if (masterPtr->slaves[i]->after == slavePtr->tkwin) {
	    masterPtr->slaves[i]->after = NULL;
	}
    }

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

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

    slavePtr = ckalloc(sizeof(Slave));
    memset(slavePtr, 0, sizeof(Slave));
    slavePtr->tkwin = tkwin;
    slavePtr->inTkwin = NULL;
    slavePtr->anchor = TK_ANCHOR_NW;
    slavePtr->borderMode = BM_INSIDE;
    slavePtr->optionTable = table;
    Tcl_SetHashValue(hPtr, slavePtr);
    Tk_CreateEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
	    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 = NULL;

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

    for (i = 1; i < objc; i++) {
	const 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 = NULL;
    }
    if (rectOvalPtr->outline.gc != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), rectOvalPtr->outline.gc);
    }
    rectOvalPtr->outline.gc = newGC;

    if (state == TK_STATE_NULL) {
	state = Canvas(canvas)->canvas_state;
    }

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

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

	gcValues.line_width = rectOvalPtr->outline.gc != None ?
		rectOvalPtr->outline.gc->line_width : 0;
	mask |= GCLineWidth;
#endif
	newGC = Tk_GetGC(tkwin, mask, &gcValues);
    }
    if (rectOvalPtr->fillGC != NULL) {
	Tk_FreeGC(Tk_Display(tkwin), rectOvalPtr->fillGC);
    }
    rectOvalPtr->fillGC = newGC;

    tsoffset = &rectOvalPtr->tsoffset;
    flags = tsoffset->flags;
    if (flags & TK_OFFSET_LEFT) {

    }
    if (rectOvalPtr->activeFillStipple != None) {
	Tk_FreeBitmap(display, rectOvalPtr->activeFillStipple);
    }
    if (rectOvalPtr->disabledFillStipple != None) {
	Tk_FreeBitmap(display, rectOvalPtr->disabledFillStipple);
    }
    if (rectOvalPtr->fillGC != NULL) {
	Tk_FreeGC(display, rectOvalPtr->fillGC);
    }
}

/*
 *--------------------------------------------------------------
 *

    if (rectOvalPtr->bbox[0] > rectOvalPtr->bbox[2]) {
	double tmpX = rectOvalPtr->bbox[2];

	rectOvalPtr->bbox[2] = rectOvalPtr->bbox[0];
	rectOvalPtr->bbox[0] = tmpX;
    }

    if (rectOvalPtr->outline.gc == NULL) {
	/*
	 * The Win32 switch was added for 8.3 to solve a problem with ovals
	 * leaving traces on bottom and right of 1 pixel. This may not be the
	 * correct place to solve it, but it works.
	 */

#ifdef _WIN32

	}
    } else if (state == TK_STATE_DISABLED) {
	if (rectOvalPtr->disabledFillStipple != None) {
	    fillStipple = rectOvalPtr->disabledFillStipple;
	}
    }

    if (rectOvalPtr->fillGC != NULL) {
	if (fillStipple != None) {
	    Tk_TSOffset *tsoffset;
	    int w = 0, h = 0;

	    tsoffset = &rectOvalPtr->tsoffset;
	    if (tsoffset) {
		int flags = tsoffset->flags;

		    0, 360*64);
	}
	if (fillStipple != None) {
	    XSetTSOrigin(display, rectOvalPtr->fillGC, 0, 0);
	}
    }

    if (rectOvalPtr->outline.gc != NULL) {
	Tk_ChangeOutlineGC(canvas, itemPtr, &(rectOvalPtr->outline));
	if (rectOvalPtr->header.typePtr == &tkRectangleType) {
	    XDrawRectangle(display, drawable, rectOvalPtr->outline.gc,
		    x1, y1, (unsigned) (x2-x1), (unsigned) (y2-y1));
	} else {
	    XDrawArc(display, drawable, rectOvalPtr->outline.gc,
		    x1, y1, (unsigned) (x2-x1), (unsigned) (y2-y1), 0, 360*64);

     * there is one.
     */

    x1 = rectPtr->bbox[0];
    y1 = rectPtr->bbox[1];
    x2 = rectPtr->bbox[2];
    y2 = rectPtr->bbox[3];
    if (rectPtr->outline.gc != NULL) {
	inc = width/2.0;
	x1 -= inc;
	y1 -= inc;
	x2 += inc;
	y2 += inc;
    }

    /*
     * If the point is inside the rectangle, handle specially: distance is 0
     * if rectangle is filled, otherwise compute distance to nearest edge of
     * rectangle and subtract width of edge.
     */

    if ((pointPtr[0] >= x1) && (pointPtr[0] < x2)
	    && (pointPtr[1] >= y1) && (pointPtr[1] < y2)) {
	if ((rectPtr->fillGC != NULL) || (rectPtr->outline.gc == NULL)) {
	    return 0.0;
	}
	xDiff = pointPtr[0] - x1;
	tmp = x2 - pointPtr[0];
	if (tmp < xDiff) {
	    xDiff = tmp;
	}

    } else if (state == TK_STATE_DISABLED) {
	if (ovalPtr->outline.disabledWidth>0) {
	    width = (double) ovalPtr->outline.disabledWidth;
	}
    }


    filled = ovalPtr->fillGC != NULL;
    if (ovalPtr->outline.gc == NULL) {
	width = 0.0;
	filled = 1;
    }
    return TkOvalToPoint(ovalPtr->bbox, width, filled, pointPtr);
}

/*

    } else if (state == TK_STATE_DISABLED) {
	if (rectPtr->outline.disabledWidth > 0) {
	    width = rectPtr->outline.disabledWidth;
	}
    }

    halfWidth = width/2.0;
    if (rectPtr->outline.gc == NULL) {
	halfWidth = 0.0;
    }

    if ((areaPtr[2] <= (rectPtr->bbox[0] - halfWidth))
	    || (areaPtr[0] >= (rectPtr->bbox[2] + halfWidth))
	    || (areaPtr[3] <= (rectPtr->bbox[1] - halfWidth))
	    || (areaPtr[1] >= (rectPtr->bbox[3] + halfWidth))) {
	return -1;
    }
    if ((rectPtr->fillGC == NULL) && (rectPtr->outline.gc != NULL)
	    && (areaPtr[0] >= (rectPtr->bbox[0] + halfWidth))
	    && (areaPtr[1] >= (rectPtr->bbox[1] + halfWidth))
	    && (areaPtr[2] <= (rectPtr->bbox[2] - halfWidth))
	    && (areaPtr[3] <= (rectPtr->bbox[3] - halfWidth))) {
	return -1;
    }
    if ((areaPtr[0] <= (rectPtr->bbox[0] - halfWidth))

    }

    /*
     * Expand the oval to include the width of the outline, if any.
     */

    halfWidth = width/2.0;
    if (ovalPtr->outline.gc == NULL) {
	halfWidth = 0.0;
    }
    oval[0] = ovalPtr->bbox[0] - halfWidth;
    oval[1] = ovalPtr->bbox[1] - halfWidth;
    oval[2] = ovalPtr->bbox[2] + halfWidth;
    oval[3] = ovalPtr->bbox[3] + halfWidth;

    result = TkOvalToArea(oval, areaPtr);

    /*
     * If the rectangle appears to overlap the oval and the oval isn't filled,
     * do one more check to see if perhaps all four of the rectangle's corners
     * are totally inside the oval's unfilled center, in which case we should
     * return "outside".
     */

    if ((result == 0) && (ovalPtr->outline.gc != NULL)
	    && (ovalPtr->fillGC == NULL)) {
	double centerX, centerY, height;
	double xDelta1, yDelta1, xDelta2, yDelta2;

	centerX = (ovalPtr->bbox[0] + ovalPtr->bbox[2])/2.0;
	centerY = (ovalPtr->bbox[1] + ovalPtr->bbox[3])/2.0;
	width = (ovalPtr->bbox[2] - ovalPtr->bbox[0])/2.0 - halfWidth;
	height = (ovalPtr->bbox[3] - ovalPtr->bbox[1])/2.0 - halfWidth;

    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		= NULL;
    scalePtr->copyGC		= NULL;
    scalePtr->tkfont		= NULL;
    scalePtr->textColorPtr	= NULL;
    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		= NULL;
    scalePtr->takeFocusPtr	= NULL;
    scalePtr->flags		= NEVER_SET;

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

     */

    if (scalePtr->varNamePtr != NULL) {
	Tcl_UntraceVar2(scalePtr->interp, Tcl_GetString(scalePtr->varNamePtr),
		NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		ScaleVarProc, scalePtr);
    }
    if (scalePtr->troughGC != NULL) {
	Tk_FreeGC(scalePtr->display, scalePtr->troughGC);
    }
    if (scalePtr->copyGC != NULL) {
	Tk_FreeGC(scalePtr->display, scalePtr->copyGC);
    }
    if (scalePtr->textGC != NULL) {
	Tk_FreeGC(scalePtr->display, scalePtr->textGC);
    }
    Tk_FreeConfigOptions((char *) scalePtr, scalePtr->optionTable,
	    scalePtr->tkwin);
    scalePtr->tkwin = NULL;
    TkpDestroyScale(scalePtr);
}

{
    XGCValues gcValues;
    GC gc;
    TkScale *scalePtr = instanceData;

    gcValues.foreground = scalePtr->troughColorPtr->pixel;
    gc = Tk_GetGC(scalePtr->tkwin, GCForeground, &gcValues);
    if (scalePtr->troughGC != NULL) {
	Tk_FreeGC(scalePtr->display, scalePtr->troughGC);
    }
    scalePtr->troughGC = gc;

    gcValues.font = Tk_FontId(scalePtr->tkfont);
    gcValues.foreground = scalePtr->textColorPtr->pixel;
    gc = Tk_GetGC(scalePtr->tkwin, GCForeground | GCFont, &gcValues);
    if (scalePtr->textGC != NULL) {
	Tk_FreeGC(scalePtr->display, scalePtr->textGC);
    }
    scalePtr->textGC = gc;

    if (scalePtr->copyGC == NULL) {
	gcValues.graphics_exposures = False;
	scalePtr->copyGC = Tk_GetGC(scalePtr->tkwin, GCGraphicsExposures,
		&gcValues);
    }
    scalePtr->inset = scalePtr->highlightWidth + scalePtr->borderWidth;

    /*

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

    /*
     * Miscellaneous information:
     */

    int fontHeight;		/* Height of scale font. */
    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 = NULL;
    scrollPtr->takeFocus = NULL;
    scrollPtr->flags = 0;

    if (ConfigureScrollbar(interp, scrollPtr, objc-2, objv+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 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, squarePtr,
	    SquareDeletedProc);
    squarePtr->gc = NULL;
    squarePtr->optionTable = optionTable;

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

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

    textPtr->state = TK_TEXT_STATE_NORMAL;
    textPtr->relief = TK_RELIEF_FLAT;
    textPtr->cursor = NULL;
    textPtr->charWidth = 1;
    textPtr->charHeight = 10;
    textPtr->wrapMode = TEXT_WRAPMODE_CHAR;
    textPtr->prevWidth = Tk_Width(newWin);
    textPtr->prevHeight = Tk_Height(newWin);

    /*

	textPtr->selTagPtr->fgColor = textPtr->selFgColorPtr;
    } else {
	textPtr->selTagPtr->selFgColor = textPtr->selFgColorPtr;
    }
    textPtr->selTagPtr->affectsDisplay = 0;
    textPtr->selTagPtr->affectsDisplayGeometry = 0;
    if ((textPtr->selTagPtr->elideString != NULL)
	    || (textPtr->selTagPtr->tkfont != NULL)
	    || (textPtr->selTagPtr->justifyString != NULL)
	    || (textPtr->selTagPtr->lMargin1String != NULL)
	    || (textPtr->selTagPtr->lMargin2String != NULL)
	    || (textPtr->selTagPtr->offsetString != NULL)
	    || (textPtr->selTagPtr->rMarginString != NULL)
	    || (textPtr->selTagPtr->spacing1String != NULL)
	    || (textPtr->selTagPtr->spacing2String != NULL)

    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 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 = ckalloc(sizeof(TextDInfo));
    Tcl_InitHashTable(&dInfoPtr->styleTable, sizeof(StyleValues)/sizeof(int));
    dInfoPtr->dLinePtr = NULL;
    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;

     * that the hash table is still intact to free up the style-related
     * information from the lines. Once the lines are all free then styleTable
     * will be empty.
     */

    FreeDLines(textPtr, dInfoPtr->dLinePtr, NULL, DLINE_UNLINK);
    Tcl_DeleteHashTable(&dInfoPtr->styleTable);
    if (dInfoPtr->copyGC != NULL) {
	Tk_FreeGC(textPtr->display, dInfoPtr->copyGC);
    }
    Tk_FreeGC(textPtr->display, dInfoPtr->scrollGC);
    if (dInfoPtr->flags & REDRAW_PENDING) {
	Tcl_CancelIdleCall(DisplayText, textPtr);
    }
    if (dInfoPtr->lineUpdateTimer != NULL) {

	    border = textPtr->inactiveSelBorder;
	}

        if ((tagPtr->selBorder != NULL) && (isSelected)) {
            border = tagPtr->selBorder;
        }

        if ((tagPtr->selFgColor != NULL) && isSelected) {
            fgColor = tagPtr->selFgColor;
        }

	if ((border != NULL) && (tagPtr->priority > borderPrio)) {
	    styleValues.border = border;
	    borderPrio = tagPtr->priority;
	}

	    reliefPrio = tagPtr->priority;
	}
	if ((tagPtr->bgStipple != None)
		&& (tagPtr->priority > bgStipplePrio)) {
	    styleValues.bgStipple = tagPtr->bgStipple;
	    bgStipplePrio = tagPtr->priority;
	}
	if ((fgColor != NULL) && (tagPtr->priority > fgPrio)) {
	    styleValues.fgColor = fgColor;
	    fgPrio = tagPtr->priority;
	}
	if ((tagPtr->tkfont != NULL) && (tagPtr->priority > fontPrio)) {
	    styleValues.tkfont = tagPtr->tkfont;
	    fontPrio = tagPtr->priority;
	}
	if ((tagPtr->fgStipple != None)
		&& (tagPtr->priority > fgStipplePrio)) {
	    styleValues.fgStipple = tagPtr->fgStipple;
	    fgStipplePrio = tagPtr->priority;

	    styleValues.offset = tagPtr->offset;
	    offsetPrio = tagPtr->priority;
	}
	if ((tagPtr->overstrikeString != NULL)
		&& (tagPtr->priority > overstrikePrio)) {
	    styleValues.overstrike = tagPtr->overstrike;
	    overstrikePrio = tagPtr->priority;
            if (tagPtr->overstrikeColor != NULL) {
                 styleValues.overstrikeColor = tagPtr->overstrikeColor;
            } else if (fgColor != NULL) {
                 styleValues.overstrikeColor = fgColor;
            }
	}
	if ((tagPtr->rMarginString != NULL)
		&& (tagPtr->priority > rMarginPrio)) {
	    styleValues.rMargin = tagPtr->rMargin;
	    rMarginPrio = tagPtr->priority;

	    styleValues.tabStyle = tagPtr->tabStyle;
	    tabStylePrio = tagPtr->priority;
	}
	if ((tagPtr->underlineString != NULL)
		&& (tagPtr->priority > underlinePrio)) {
	    styleValues.underline = tagPtr->underline;
	    underlinePrio = tagPtr->priority;
            if (tagPtr->underlineColor != NULL) {
                 styleValues.underlineColor = tagPtr->underlineColor;
            } else if (fgColor != NULL) {
                 styleValues.underlineColor = fgColor;
            }
	}
	if ((tagPtr->elideString != NULL)
		&& (tagPtr->priority > elidePrio)) {
	    styleValues.elide = tagPtr->elide;
	    elidePrio = tagPtr->priority;

	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 = NULL;
    }
    mask = GCFont;
    gcValues.font = Tk_FontId(styleValues.tkfont);
    mask |= GCForeground;
    gcValues.foreground = styleValues.fgColor->pixel;
    if (styleValues.fgStipple != None) {
	gcValues.stipple = styleValues.fgStipple;

FreeStyle(
    TkText *textPtr,		/* Information about overall widget. */
    register TextStyle *stylePtr)
				/* Information about style to free. */
{
    stylePtr->refCount--;
    if (stylePtr->refCount == 0) {
	if (stylePtr->bgGC != NULL) {
	    Tk_FreeGC(textPtr->display, stylePtr->bgGC);
	}
	if (stylePtr->fgGC != NULL) {
	    Tk_FreeGC(textPtr->display, stylePtr->fgGC);
	}
	if (stylePtr->ulGC != NULL) {
	    Tk_FreeGC(textPtr->display, stylePtr->ulGC);
	}
	if (stylePtr->ovGC != NULL) {
	    Tk_FreeGC(textPtr->display, stylePtr->ovGC);
	}
	Tcl_DeleteHashEntry(stylePtr->hPtr);
	ckfree(stylePtr);
    }
}


	    continue;
	}
	sValuePtr = chunkPtr->stylePtr->sValuePtr;
	rightX = chunkPtr->x + chunkPtr->width;
	if ((chunkPtr->nextPtr == NULL) && (rightX < maxX)) {
	    rightX = maxX;
	}
	if (chunkPtr->stylePtr->bgGC != NULL) {
	    /*
	     * Not visible - bail out now.
	     */

	    if (rightX + xOffset <= 0) {
		leftX = rightX;
		continue;

			TkTextPrintIndex(textPtr, &dlPtr->index, string);
			LOG("tk_textEmbWinDisplay", string);
		    }
		    TkTextEmbWinDisplayProc(textPtr, chunkPtr, x,
			    dlPtr->spaceAbove,
			    dlPtr->height-dlPtr->spaceAbove-dlPtr->spaceBelow,
			    dlPtr->baseline - dlPtr->spaceAbove, NULL,
			    None, dlPtr->y + dlPtr->spaceAbove);
		}
	    }
	}
#ifndef TK_NO_DOUBLE_BUFFERING
	Tk_FreePixmap(Tk_Display(textPtr->tkwin), pixmap);
#endif /* TK_NO_DOUBLE_BUFFERING */
    }

    /*
     * (Re-)create the graphics context for drawing the traversal highlight.
     */

    gcValues.graphics_exposures = False;
    newGC = Tk_GetGC(textPtr->tkwin, GCGraphicsExposures, &gcValues);
    if (dInfoPtr->copyGC != NULL) {
	Tk_FreeGC(textPtr->display, dInfoPtr->copyGC);
    }
    dInfoPtr->copyGC = newGC;

    /*
     * Throw away all the current layout information.
     */

    }

    /*
     * Draw the text, underline, and overstrike for this chunk.
     */

    if (!sValuePtr->elide && (numBytes > offsetBytes)
	    && (stylePtr->fgGC != NULL)) {
#if TK_DRAW_IN_CONTEXT
	int start = ciPtr->baseOffset + offsetBytes;
	int len = ciPtr->numBytes - offsetBytes;
	int xDisplacement = x - chunkPtr->x;

	if ((len > 0) && (string[start + len - 1] == '\t')) {
	    len--;

                    textPtr->selFgColorPtr = tagPtr->selFgColor;
                }
	    }

	    tagPtr->affectsDisplay = 0;
	    tagPtr->affectsDisplayGeometry = 0;
	    if ((tagPtr->elideString != NULL)
		    || (tagPtr->tkfont != NULL)
		    || (tagPtr->justifyString != NULL)
		    || (tagPtr->lMargin1String != NULL)
		    || (tagPtr->lMargin2String != NULL)
		    || (tagPtr->offsetString != NULL)
		    || (tagPtr->rMarginString != NULL)
		    || (tagPtr->spacing1String != NULL)
		    || (tagPtr->spacing2String != NULL)

    }
}

void
Tk_UndefineCursor(
    Tk_Window tkwin)		/* Window to manipulate. */
{
    Tk_DefineCursor(tkwin, NULL);
}

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

/*
 * Copyright (c) 2004, Joe English
 *
 * "classic" theme; implements the classic Motif-like Tk look.
 *
 */

#include "tkInt.h"


#include "ttkTheme.h"

#define DEFAULT_BORDERWIDTH "2"
#define DEFAULT_ARROW_SIZE "15"

/*----------------------------------------------------------------------
 * +++ Highlight element implementation.

/*
 * Copyright (c) 2003, Joe English
 *
 * Tk alternate theme, intended to match the MSUE and Gtk's (old) default theme
 */

#include "tkInt.h"





#include "ttkTheme.h"

#if defined(_WIN32)
static const int WIN32_XDRAWLINE_HACK = 1;
#else
static const int WIN32_XDRAWLINE_HACK = 0;
#endif

/*
 * 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 "tkInt.h"




#include "ttkTheme.h"
#include "ttkWidget.h"

/*
 * Extra bits for core.flags:
 */
#define GOT_SELECTION		(WIDGET_USER_FLAG<<1)

 *	Selection handler for entry widgets.
 */
static int
EntryFetchSelection(
    ClientData clientData, int offset, char *buffer, int maxBytes)
{
    Entry *entryPtr = (Entry *) clientData;
    int byteCount;
    const char *string;
    const char *selStart, *selEnd;

    if (entryPtr->entry.selectFirst < 0 || (!entryPtr->entry.exportSelection)
	    || Tcl_IsSafe(entryPtr->core.interp)) {
	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 > maxBytes) {
    /* @@@POSSIBLE BUG: Can transfer partial UTF-8 sequences.  Is this OK? */
	byteCount = maxBytes;
    }
    if (byteCount <= 0) {
	return 0;
    }
    memcpy(buffer, selStart + offset, byteCount);

    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;
    }
    gc = Tk_GetGC(entryPtr->core.tkwin, mask, &gcValues);
    if (clip != NULL) {
	TkSetRegion(Tk_Display(entryPtr->core.tkwin), gc, clip);
    }
    return gc;
}

/* EntryDisplay --
 *	Redraws the contents of an entry window.

	cursorX -= cursorWidth/2;
	if (cursorX < field.x) {
	    cursorX = field.x;
	} else if (cursorX + cursorWidth > field.x + field.width) {
	    cursorX = field.x + field.width - cursorWidth;
	}

	gc = EntryGetGC(entryPtr, es.insertColorObj, NULL);
	XFillRectangle(Tk_Display(tkwin), d, gc,
	    cursorX, cursorY, cursorWidth, cursorHeight);
	Tk_FreeGC(Tk_Display(tkwin), gc);
    }

    /* Draw the text:
     */

	Tk_FreeGC(Tk_Display(tkwin), gc);
    }

    /* Drop the region. Note that we have to manually remove the reference to
     * it from the Xft guts (if they're being used).
     */
#ifdef HAVE_XFT
    TkUnixSetXftClipRegion(NULL);
#endif
    TkDestroyRegion(clipRegion);
}

/*------------------------------------------------------------------------
 * +++ Widget commands.
 */

/*
 * text, image, and label elements.
 *
 * The label element combines text and image elements,
 * with layout determined by the "-compound" option.
 *
 */

#include "tkInt.h"

#include "ttkTheme.h"

/*----------------------------------------------------------------------
 * +++ Text element.
 *
 * This element displays a textual label in the foreground color.
 *

	}
	Tk_UnderlineTextLayout(Tk_Display(tkwin), d, gc1,
	    text->textLayout, b.x, b.y, underline);
    }

    if (clipRegion != NULL) {
#ifdef HAVE_XFT
	TkUnixSetXftClipRegion(NULL);
#endif
	XSetClipMask(Tk_Display(tkwin), gc1, None);
	XSetClipMask(Tk_Display(tkwin), gc2, None);
	TkDestroyRegion(clipRegion);
    }
    Tk_FreeGC(Tk_Display(tkwin), gc1);
    Tk_FreeGC(Tk_Display(tkwin), gc2);

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

#include <string.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:

 * If the widget value changes, it should call TtkScrolled() (step 4).
 * (This usually happens automatically when the widget is redisplayed).
 *
 * If the scrollee's -[xy]scrollcommand changes, it should call
 * TtkScrollbarUpdateRequired, which will invoke step (5) (@@@ Fix this)
 */

#include "tkInt.h"
#include "ttkTheme.h"
#include "ttkWidget.h"

/* Private data:
 */
#define SCROLL_UPDATE_PENDING  (0x1)
#define SCROLL_UPDATE_REQUIRED (0x2)

static void StateSpecUpdateString(Tcl_Obj *objPtr)
{
    unsigned int onbits = (objPtr->internalRep.longValue & 0xFFFF0000) >> 16;
    unsigned int offbits = objPtr->internalRep.longValue & 0x0000FFFF;
    unsigned int mask = onbits | offbits;
    Tcl_DString result;
    int i;
    int len;

    Tcl_DStringInit(&result);

    for (i=0; stateNames[i] != NULL; ++i) {
	if (mask & (1<<i)) {
	    if (offbits & (1<<i))
		Tcl_DStringAppend(&result, "!", 1);
	    Tcl_DStringAppend(&result, stateNames[i], -1);
	    Tcl_DStringAppend(&result, " ", 1);
	}
    }

    len = Tcl_DStringLength(&result);
    if (len) {
	/* 'len' includes extra trailing ' ' */
	objPtr->bytes = ckalloc(len);
	objPtr->length = len-1;
	strncpy(objPtr->bytes, Tcl_DStringValue(&result), len-1);
	objPtr->bytes[len-1] = '\0';
    } else {
	/* empty string */
	objPtr->length = 0;
	objPtr->bytes = ckalloc(1);
	*objPtr->bytes = '\0';
    }

    Tcl_DStringFree(&result);
}

Tcl_Obj *Ttk_NewStateSpecObj(unsigned int onbits, unsigned int offbits)

/*
 * ttkTheme.c --
 *
 *	This file implements the widget styles and themes support.
 *
 * Copyright (c) 2002 Frederic Bonnet
 * Copyright (c) 2003 Joe English
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */



#include "tkInt.h"

#include "ttkThemeInt.h"

#define PKG_ASSOC_KEY "Ttk"

#ifdef MAC_OSX_TK
    extern void TkMacOSXFlushWindows(void);
    #define UPDATE_WINDOWS() TkMacOSXFlushWindows()

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

#include <string.h>
#include <stdio.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 "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		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	NULL
#define DEF_MENU_ENTRY_ACTIVE_FG	NULL
#define DEF_MENU_ENTRY_ACCELERATOR	NULL
#define DEF_MENU_ENTRY_BG		NULL
#define DEF_MENU_ENTRY_BITMAP		NULL
#define DEF_MENU_ENTRY_COLUMN_BREAK	"0"
#define DEF_MENU_ENTRY_COMMAND		NULL
#define DEF_MENU_ENTRY_COMPOUND		"none"
#define DEF_MENU_ENTRY_FG		NULL
#define DEF_MENU_ENTRY_FONT		NULL
#define DEF_MENU_ENTRY_HIDE_MARGIN	"0"
#define DEF_MENU_ENTRY_IMAGE		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 NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMacOSXGetHostToplevel --
 *

    }
    contWinPtr = TkpGetOtherWindow(topWinPtr);

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

    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(NULL, DEF_MENU_BG_COLOR);
    defaultBg = tkColPtr->color.pixel;
    ckfree(tkColPtr);
    tkColPtr = TkpGetColor(NULL, DEF_MENU_FG);
    defaultFg = tkColPtr->color.pixel;
    ckfree(tkColPtr);

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

TkScrollbar *
TkpCreateScrollbar(
		   Tk_Window tkwin)
{

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

    scrollPtr->troughGC = NULL;
    scrollPtr->copyGC = NULL;
    scrollPtr->info = defaultInfo;
    scrollPtr->buttonDown = false;
    
    Tk_CreateEventHandler(tkwin,
			  ExposureMask        |
			  StructureNotifyMask |
			  FocusChangeMask     |

 */

TkBorder *
TkpGetBorder(void)
{
    UnixBorder *borderPtr = ckalloc(sizeof(UnixBorder));

    borderPtr->solidGC = NULL;
    return (TkBorder *) borderPtr;
}

/*
 *----------------------------------------------------------------------
 *
 * TkpFreeBorder --

void
TkpFreeBorder(
    TkBorder *borderPtr)
{
    UnixBorder *unixBorderPtr = (UnixBorder *) borderPtr;
    Display *display = DisplayOfScreen(borderPtr->screen);

    if (unixBorderPtr->solidGC != NULL) {
	Tk_FreeGC(display, unixBorderPtr->solidGC);
    }
}
/*
 *--------------------------------------------------------------
 *
 * Tk_3DVerticalBevel --

				 * TK_RELIEF_RAISED means interior of object
				 * should appear higher than exterior. */
{
    TkBorder *borderPtr = (TkBorder *) border;
    GC left, right;
    Display *display = Tk_Display(tkwin);

    if ((borderPtr->lightGC == NULL) && (relief != TK_RELIEF_FLAT)) {
	TkpGetShadows(borderPtr, tkwin);
    }

    if (relief == TK_RELIEF_RAISED) {
	XFillRectangle(display, drawable,
		(leftBevel) ? borderPtr->lightGC : borderPtr->darkGC,
		x, y, (unsigned) width, (unsigned) height);

	right = borderPtr->lightGC;
	goto ridgeGroove;
    } else if (relief == TK_RELIEF_FLAT) {
	XFillRectangle(display, drawable, borderPtr->bgGC, x, y,
		(unsigned) width, (unsigned) height);
    } else if (relief == TK_RELIEF_SOLID) {
	UnixBorder *unixBorderPtr = (UnixBorder *) borderPtr;
	if (unixBorderPtr->solidGC == NULL) {
	    XGCValues gcValues;

	    gcValues.foreground = BlackPixelOfScreen(borderPtr->screen);
	    unixBorderPtr->solidGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
	}
	XFillRectangle(display, drawable, unixBorderPtr->solidGC, x, y,
		(unsigned) width, (unsigned) height);

				 * TK_RELIEF_RAISED means interior of object
				 * should appear higher than exterior. */
{
    TkBorder *borderPtr = (TkBorder *) border;
    Display *display = Tk_Display(tkwin);
    int bottom, halfway, x1, x2, x1Delta, x2Delta;
    UnixBorder *unixBorderPtr = (UnixBorder *) borderPtr;
    GC topGC = NULL, bottomGC = NULL;
				/* Initializations needed only to prevent
				 * compiler warnings. */

    if ((borderPtr->lightGC == NULL) && (relief != TK_RELIEF_FLAT) &&
	    (relief != TK_RELIEF_SOLID)) {
	TkpGetShadows(borderPtr, tkwin);
    }

    /*
     * Compute a GC for the top half of the bevel and a GC for the bottom half
     * (they're the same in many cases).

	topGC = bottomGC = (topBevel? borderPtr->lightGC : borderPtr->darkGC);
	break;
    case TK_RELIEF_RIDGE:
	topGC = borderPtr->lightGC;
	bottomGC = borderPtr->darkGC;
	break;
    case TK_RELIEF_SOLID:
	if (unixBorderPtr->solidGC == NULL) {
	    XGCValues gcValues;

	    gcValues.foreground = BlackPixelOfScreen(borderPtr->screen);
	    unixBorderPtr->solidGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
	}
	XFillRectangle(display, drawable, unixBorderPtr->solidGC, x, y,
		(unsigned) width, (unsigned) height);

				 * drawing. */
{
    XColor lightColor, darkColor;
    int stressed, tmp1, tmp2;
    int r, g, b;
    XGCValues gcValues;

    if (borderPtr->lightGC != NULL) {
	return;
    }
    stressed = TkpCmapStressed(tkwin, borderPtr->colormap);

    /*
     * First, handle the case of a color display with lots of colors. The
     * shadow colors get computed using whichever formula results in the

 * 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		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)

	gc = mbPtr->activeTextGC;
	border = mbPtr->activeBorder;
    } else {
	gc = mbPtr->normalTextGC;
	border = mbPtr->normalBorder;
    }

    if (mbPtr->image != NULL) {
	Tk_SizeOfImage(mbPtr->image, &width, &height);
	haveImage = 1;
    } else if (mbPtr->bitmap != None) {
	Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height);
	haveImage = 1;
    }
    imageWidth	= width;

    width = 0;
    height = 0;
    txtWidth = 0;
    txtHeight = 0;
    avgWidth = 0;

    if (mbPtr->image != NULL) {
	Tk_SizeOfImage(mbPtr->image, &width, &height);
	haveImage = 1;
    } else if (mbPtr->bitmap != None) {
	Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height);
	haveImage = 1;
    }

    }
    if (nspec) {
	XftDrawGlyphFontSpec(fontPtr->ftDraw, xftcolor, specs, nspec);
    }

  doUnderlineStrikeout:
    if (tsdPtr->clipRegion != None) {
	XftDrawSetClip(fontPtr->ftDraw, NULL);
    }
    if (fontPtr->font.fa.underline != 0) {
	XFillRectangle(display, drawable, gc, xStart,
		y + fontPtr->font.underlinePos, (unsigned) (x - xStart),
		(unsigned) fontPtr->font.underlineHeight);
    }
    if (fontPtr->font.fa.overstrike != 0) {

    if (nspec) {
	XftDrawGlyphFontSpec(fontPtr->ftDraw, xftcolor, specs, nspec);
    }
#endif /* XFT_HAS_FIXED_ROTATED_PLACEMENT */

  doUnderlineStrikeout:
    if (tsdPtr->clipRegion != None) {
	XftDrawSetClip(fontPtr->ftDraw, NULL);
    }
    if (fontPtr->font.fa.underline || fontPtr->font.fa.overstrike) {
	XPoint points[5];
	double width = (x - xStart) * cosA + (yStart - y) * sinA;
	double barHeight = fontPtr->font.underlineHeight;
	double dy = fontPtr->font.underlinePos;

TkScrollbar *
TkpCreateScrollbar(
    Tk_Window tkwin)
{
    UnixScrollbar *scrollPtr = ckalloc(sizeof(UnixScrollbar));

    scrollPtr->troughGC = NULL;
    scrollPtr->copyGC = NULL;

    Tk_CreateEventHandler(tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    TkScrollbarEventProc, scrollPtr);

    return (TkScrollbar *) scrollPtr;
}

void
TkpDestroyScrollbar(
    TkScrollbar *scrollPtr)
{
    UnixScrollbar *unixScrollPtr = (UnixScrollbar *)scrollPtr;

    if (unixScrollPtr->troughGC != NULL) {
	Tk_FreeGC(scrollPtr->display, unixScrollPtr->troughGC);
    }
    if (unixScrollPtr->copyGC != NULL) {
	Tk_FreeGC(scrollPtr->display, unixScrollPtr->copyGC);
    }
}

/*
 *----------------------------------------------------------------------
 *

    GC new;
    UnixScrollbar *unixScrollPtr = (UnixScrollbar *) scrollPtr;

    Tk_SetBackgroundFromBorder(scrollPtr->tkwin, scrollPtr->bgBorder);

    gcValues.foreground = scrollPtr->troughColorPtr->pixel;
    new = Tk_GetGC(scrollPtr->tkwin, GCForeground, &gcValues);
    if (unixScrollPtr->troughGC != NULL) {
	Tk_FreeGC(scrollPtr->display, unixScrollPtr->troughGC);
    }
    unixScrollPtr->troughGC = new;
    if (unixScrollPtr->copyGC == NULL) {
	gcValues.graphics_exposures = False;
	unixScrollPtr->copyGC = Tk_GetGC(scrollPtr->tkwin,
		GCGraphicsExposures, &gcValues);
    }
}

/*

    TkBorder *borderPtr = (TkBorder *) border;
    int left, right;
    Display *display = Tk_Display(tkwin);
    TkWinDCState state;
    HDC dc = TkWinGetDrawableDC(display, drawable, &state);
    int half;

    if ((borderPtr->lightGC == NULL) && (relief != TK_RELIEF_FLAT)) {
	TkpGetShadows(borderPtr, tkwin);
    }

    switch (relief) {
    case TK_RELIEF_RAISED:
	left = (leftBevel)
		? borderPtr->lightGC->foreground

    TkBorder *borderPtr = (TkBorder *) border;
    Display *display = Tk_Display(tkwin);
    int bottom, halfway, x1, x2, x1Delta, x2Delta;
    TkWinDCState state;
    HDC dc = TkWinGetDrawableDC(display, drawable, &state);
    int topColor, bottomColor;

    if ((borderPtr->lightGC == NULL) && (relief != TK_RELIEF_FLAT)) {
	TkpGetShadows(borderPtr, tkwin);
    }

    /*
     * Compute a GC for the top half of the bevel and a GC for the bottom half
     * (they're the same in many cases).
     */

				 * drawing. */
{
    XColor lightColor, darkColor;
    int tmp1, tmp2;
    int r, g, b;
    XGCValues gcValues;

    if (borderPtr->lightGC != NULL) {
	return;
    }

    /*
     * Handle the special case of the default system colors.
     */

    Tk_Window tkwin,
    Tk_3DBorder border,
    int which)			/* One of TK_3D_FLAT_GC, TK_3D_LIGHT_GC,
				 * TK_3D_DARK_GC, TK_3D_LIGHT2, TK_3D_DARK2 */
{
    WinBorder *borderPtr = (WinBorder *) border;

    if (borderPtr->info.lightGC == NULL) {
	TkpGetShadows(&borderPtr->info, tkwin);
    }
    switch (which) {
    case TK_3D_FLAT_GC:
	return borderPtr->info.bgColorPtr->pixel;
    case TK_3D_LIGHT_GC:
	if (borderPtr->info.lightColorPtr == NULL) {

    Tk_Fill3DRectangle(tkwin, pixmap, border, 0, 0, Tk_Width(tkwin),
	    Tk_Height(tkwin), 0, TK_RELIEF_FLAT);

    /*
     * Display image or bitmap or text for button.
     */

    if (butPtr->image != NULL) {
	Tk_SizeOfImage(butPtr->image, &width, &height);
	haveImage = 1;
    } else if (butPtr->bitmap != None) {
	Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
	haveImage = 1;
    }
    imageWidth = width;

 * 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		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)

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

	    if (parent == NULL) {
		return TCL_ERROR;
	    }
	    if (hdPtr->parentObj) {
		Tcl_DecrRefCount(hdPtr->parentObj);
	    }
	    hdPtr->parentObj = objv[i+1];
	    if (Tcl_IsShared(hdPtr->parentObj)) {

    hdPtr = Tcl_GetAssocData(interp, "::tk::fontchooser", NULL);

    parent = tkwin;
    if (hdPtr->parentObj) {
	parent = Tk_NameToWindow(interp, Tcl_GetString(hdPtr->parentObj),
		tkwin);
	if (parent == NULL) {
	    return TCL_ERROR;
	}
    }

    Tk_MakeWindowExist(parent);

    ZeroMemory(&cf, sizeof(CHOOSEFONT));

	} else {
	    p = source;
	    curX = 0;
	}
    }

    *lengthPtr = curX;
    return (int)(p - source);
}

/*
 *---------------------------------------------------------------------------
 *
 * TkpMeasureCharsInContext --
 *

    }

    if (mePtr->state == ENTRY_DISABLED) {
	if (menuPtr->disabledFgPtr == NULL) {
	    XFillRectangle(menuPtr->display, d, menuPtr->disabledGC, x, y,
		    (unsigned) width, (unsigned) height);
	} else if ((mePtr->image != NULL)
		&& (menuPtr->disabledImageGC != NULL)) {
	    XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC,
		    leftEdge + imageXOffset,
		    (int) (y + (mePtr->height - imageHeight)/2 + imageYOffset),
		    (unsigned) imageWidth, (unsigned) imageHeight);
	}
    }
}

#define REDO_KEYSYM_LOOKUP

/*
 * See ticket [916c1095438eae56]: GetVersionExW triggers warnings
 */
#if defined(_MSC_VER)
#   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.
 */

	 wmPtr2 = wmPtr2->nextPtr) {
	if (wmPtr2->masterPtr == winPtr) {
	    wmPtr->numTransients--;
	    Tk_DeleteEventHandler((Tk_Window) wmPtr2->masterPtr,
		    VisibilityChangeMask|StructureNotifyMask,
		    WmWaitVisibilityOrMapProc, wmPtr2->winPtr);
	    wmPtr2->masterPtr = NULL;
	    if ((wmPtr2->wrapper != NULL)
		    && !(wmPtr2->flags & (WM_NEVER_MAPPED))) {
		UpdateWrapper(wmPtr2->winPtr);
	    }
	}
    }
    if (wmPtr->numTransients != 0)
	Tcl_Panic("numTransients should be 0");

    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 = 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 = ckalloc(sizeof(TkWinDrawable));
    if (twdPtr == NULL) {
	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      /* 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) /* 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

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

static TkpClipMask *AllocClipMask(GC gc) {
    TkpClipMask *clip_mask = (TkpClipMask*) gc->clip_mask;

    if (clip_mask == NULL) {
	clip_mask = ckalloc(sizeof(TkpClipMask));
	gc->clip_mask = (Pixmap) clip_mask;
#ifdef MAC_OSX_TK
    } else if (clip_mask->type == TKP_CLIP_REGION) {
	TkpReleaseRegion(clip_mask->value.region);
#endif
    }

     * initialization.
     */

#define MAX_DASH_LIST_SIZE 10

    gp = ckalloc(sizeof(XGCValues) + MAX_DASH_LIST_SIZE + gcCacheSize);
    if (!gp) {
	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));

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

int XFreeGC(
    Display *d,
    GC gc)
{
    if (gc != NULL) {
	FreeClipMask(gc);
	TkpFreeGCCache(gc);
	ckfree(gc);
    }
    return Success;
}


void
TkSetRegion(
    Display *display,
    GC gc,
    TkRegion r)
{
    if (r == NULL) {
	Tcl_Panic("must not pass NULL to TkSetRegion for compatibility with X11; use XSetClipMask instead");
    } else {
	TkpClipMask *clip_mask = AllocClipMask(gc);

	clip_mask->type = TKP_CLIP_REGION;
	clip_mask->value.region = r;
#ifdef MAC_OSX_TK
	TkpRetainRegion(r);

/*
 * xutil.c --
 *
 *	This function contains generic X emulation routines.
 *
 * Copyright (c) 1995-1996 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */


#include "tkInt.h"





/*
 *----------------------------------------------------------------------
 *
 * XInternAtom --
 *
 *	This procedure simulates the XInternAtom function by calling Tk_Uid to