update TEA 3.13

1 files changed, 0 insertions, 1070 deletions

diff --git a/tkblt/generic/tkbltGrLegd.C b/tkblt/generic/tkbltGrLegd.C
deleted file mode 100644
index b8822f1..0000000
--- a/tkblt/generic/tkbltGrLegd.C
+++ /dev/null
@@ -1,1070 +0,0 @@
-/*
- * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
- * This code has been modified under the terms listed below and is made
- * available under the same terms.
- */
-
-/*
- *	Copyright 1993-2004 George A Howlett.
- *
- *	Permission is hereby granted, free of charge, to any person obtaining
- *	a copy of this software and associated documentation files (the
- *	"Software"), to deal in the Software without restriction, including
- *	without limitation the rights to use, copy, modify, merge, publish,
- *	distribute, sublicense, and/or sell copies of the Software, and to
- *	permit persons to whom the Software is furnished to do so, subject to
- *	the following conditions:
- *
- *	The above copyright notice and this permission notice shall be
- *	included in all copies or substantial portions of the Software.
- *
- *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- *	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- *	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- *	NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- *	LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- *	OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- *	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <tk.h>
-#include <tkInt.h>
-
-#include "tkbltGrBind.h"
-#include "tkbltGraph.h"
-#include "tkbltGrLegd.h"
-#include "tkbltGrElem.h"
-#include "tkbltGrPostscript.h"
-#include "tkbltGrMisc.h"
-#include "tkbltGrDef.h"
-#include "tkbltConfig.h"
-#include "tkbltGrPSOutput.h"
-
-using namespace Blt;
-
-static void SelectCmdProc(ClientData);
-static Tk_SelectionProc SelectionProc;
-
-// OptionSpecs
-
-static const char* selectmodeObjOption[] = {
-  "single", "multiple", NULL
-};
-static const char*  positionObjOption[] = {
-  "rightmargin", "leftmargin", "topmargin", "bottommargin", 
-  "plotarea", "xy", NULL
-};
-
-static Tk_OptionSpec optionSpecs[] = {
-  {TK_OPTION_BORDER, "-activebackground", "activeBackground",
-   "ActiveBackground", 
-   STD_ACTIVE_BACKGROUND, -1, Tk_Offset(LegendOptions, activeBg), 
-   0, NULL, CACHE},
-  {TK_OPTION_PIXELS, "-activeborderwidth", "activeBorderWidth", 
-   "ActiveBorderWidth", 
-   STD_BORDERWIDTH, -1, Tk_Offset(LegendOptions, entryBW), 0, NULL, LAYOUT}, 
-  {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "ActiveForeground",
-   STD_ACTIVE_FOREGROUND, -1, Tk_Offset(LegendOptions, activeFgColor), 
-   0, NULL, CACHE},
-  {TK_OPTION_RELIEF, "-activerelief", "activeRelief", "ActiveRelief",
-   "flat", -1, Tk_Offset(LegendOptions, activeRelief), 0, NULL, LAYOUT},
-  {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", 
-   "n", -1, Tk_Offset(LegendOptions, anchor), 0, NULL, LAYOUT},
-  {TK_OPTION_SYNONYM, "-bg", NULL, NULL, 
-   NULL, 0, -1, 0, (ClientData)"-background", 0},
-  {TK_OPTION_BORDER, "-background", "background", "Background",
-   NULL, -1, Tk_Offset(LegendOptions, normalBg), 
-   TK_OPTION_NULL_OK, NULL, CACHE},
-  {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
-   STD_BORDERWIDTH, -1, Tk_Offset(LegendOptions, borderWidth), 
-   0, NULL, LAYOUT}, 
-  {TK_OPTION_SYNONYM, "-bd", NULL, NULL, 
-   NULL, 0, -1, 0, (ClientData)"-borderwidth", 0},
-  {TK_OPTION_INT, "-columns", "columns", "columns",
-   "0", -1, Tk_Offset(LegendOptions, reqColumns), 0, NULL, LAYOUT},
-  {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection", "ExportSelection", 
-   "no",  -1, Tk_Offset(LegendOptions, exportSelection), 0, NULL, LAYOUT},
-  {TK_OPTION_CUSTOM, "-focusdashes", "focusDashes", "FocusDashes",
-   "dot", -1, Tk_Offset(LegendOptions, focusDashes), 
-   TK_OPTION_NULL_OK, &dashesObjOption, CACHE},
-  {TK_OPTION_COLOR, "-focusforeground", "focusForeground", "FocusForeground",
-   STD_ACTIVE_FOREGROUND, -1, Tk_Offset(LegendOptions, focusColor), 
-   0, NULL, CACHE},
-  {TK_OPTION_FONT, "-font", "font", "Font", 
-   STD_FONT_SMALL, -1, Tk_Offset(LegendOptions, style.font), 0, NULL, LAYOUT},
-  {TK_OPTION_SYNONYM, "-fg", NULL, NULL, 
-   NULL, 0, -1, 0, (ClientData)"-foreground", 0},
-  {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
-   STD_NORMAL_FOREGROUND, -1, Tk_Offset(LegendOptions, fgColor), 
-   0, NULL, CACHE},
-  {TK_OPTION_BOOLEAN, "-hide", "hide", "Hide", 
-   "no", -1, Tk_Offset(LegendOptions, hide), 0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-ipadx", "iPadX", "Pad", 
-   "1", -1, Tk_Offset(LegendOptions, ixPad), 0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-ipady", "iPadY", "Pad", 
-   "1", -1, Tk_Offset(LegendOptions, iyPad), 0, NULL, LAYOUT},
-  {TK_OPTION_BORDER, "-nofocusselectbackground", "noFocusSelectBackground", 
-   "NoFocusSelectBackground", 
-   STD_ACTIVE_BACKGROUND, -1, Tk_Offset(LegendOptions, selOutFocusBg), 
-   0, NULL, CACHE},
-  {TK_OPTION_COLOR, "-nofocusselectforeground", "noFocusSelectForeground", 
-   "NoFocusSelectForeground", 
-   STD_ACTIVE_FOREGROUND, -1, Tk_Offset(LegendOptions, selOutFocusFgColor), 
-   0, NULL, CACHE},
-  {TK_OPTION_PIXELS, "-padx", "padX", "Pad", 
-   "1", -1, Tk_Offset(LegendOptions, xPad), 0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-pady", "padY", "Pad", 
-   "1", -1, Tk_Offset(LegendOptions, yPad), 0, NULL, LAYOUT},
-  {TK_OPTION_STRING_TABLE, "-position", "position", "Position", 
-   "rightmargin", -1, Tk_Offset(LegendOptions, position),
-   0, &positionObjOption, LAYOUT},
-  {TK_OPTION_BOOLEAN, "-raised", "raised", "Raised", 
-   "no", -1, Tk_Offset(LegendOptions, raised), 0, NULL, LAYOUT},
-  {TK_OPTION_RELIEF, "-relief", "relief", "Relief", 
-   "flat", -1, Tk_Offset(LegendOptions, relief), 0, NULL, LAYOUT},
-  {TK_OPTION_INT, "-rows", "rows", "rows", 
-   "0", -1, Tk_Offset(LegendOptions, reqRows), 0, NULL, LAYOUT},
-  {TK_OPTION_BORDER, "-selectbackground", "selectBackground", 
-   "SelectBackground", 
-   STD_ACTIVE_BACKGROUND, -1, Tk_Offset(LegendOptions, selInFocusBg), 
-   0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth", 
-   "SelectBorderWidth", 
-   "1", -1, Tk_Offset(LegendOptions, selBW), 0, NULL, LAYOUT},
-  {TK_OPTION_STRING, "-selectcommand", "selectCommand", "SelectCommand",
-   NULL, -1, Tk_Offset(LegendOptions, selectCmd), TK_OPTION_NULL_OK, NULL, 0},
-  {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "SelectForeground",
-   STD_ACTIVE_FOREGROUND, -1, Tk_Offset(LegendOptions, selInFocusFgColor), 
-   0, NULL, CACHE},
-  {TK_OPTION_STRING_TABLE, "-selectmode", "selectMode", "SelectMode",
-   "multiple", -1, Tk_Offset(LegendOptions, selectMode), 
-   0, &selectmodeObjOption, 0},
-  {TK_OPTION_RELIEF, "-selectrelief", "selectRelief", "SelectRelief",
-   "flat", -1, Tk_Offset(LegendOptions, selRelief), 0, NULL, LAYOUT},
-  {TK_OPTION_STRING, "-title", "title", "Title", 
-   NULL, -1, Tk_Offset(LegendOptions, title), TK_OPTION_NULL_OK, NULL, LAYOUT},
-  {TK_OPTION_COLOR, "-titlecolor", "titleColor", "TitleColor",
-   STD_NORMAL_FOREGROUND, -1, Tk_Offset(LegendOptions, titleStyle.color), 
-   0, NULL, CACHE},
-  {TK_OPTION_FONT, "-titlefont", "titleFont", "TitleFont",
-   STD_FONT_SMALL, -1, Tk_Offset(LegendOptions, titleStyle.font), 
-   0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-x", "x", "X", 
-   "0", -1, Tk_Offset(LegendOptions, xReq), 0, NULL, LAYOUT},
-  {TK_OPTION_PIXELS, "-y", "y", "Y", 
-   "0", -1, Tk_Offset(LegendOptions, yReq), 0, NULL, LAYOUT},
-  {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
-};
-
-Legend::Legend(Graph* graphPtr)
-{
-  ops_ = (void*)calloc(1, sizeof(LegendOptions));
-  LegendOptions* ops = (LegendOptions*)ops_;
-
-  graphPtr_ = graphPtr;
-  flags =0;
-  nEntries_ =0;
-  nColumns_ =0;
-  nRows_ =0;
-  width_ =0;
-  height_ =0;
-  entryWidth_ =0;
-  entryHeight_ =0;
-  x_ =0;
-  y_ =0;
-  bindTable_ =NULL;
-  focusGC_ =NULL;
-  focusPtr_ =NULL;
-  selAnchorPtr_ =NULL;
-  selMarkPtr_ =NULL;
-  selected_ = new Chain();
-  titleWidth_ =0;
-  titleHeight_ =0;
-
-  ops->style.anchor =TK_ANCHOR_NW;
-  ops->style.color =NULL;
-  ops->style.font =NULL;
-  ops->style.angle =0;
-  ops->style.justify =TK_JUSTIFY_LEFT;
-
-  ops->titleStyle.anchor =TK_ANCHOR_NW;
-  ops->titleStyle.color =NULL;
-  ops->titleStyle.font =NULL;
-  ops->titleStyle.angle =0;
-  ops->titleStyle.justify =TK_JUSTIFY_LEFT;
-
-  bindTable_ = new BindTable(graphPtr, this);
-
-  Tcl_InitHashTable(&selectTable_, TCL_ONE_WORD_KEYS);
-
-  Tk_CreateSelHandler(graphPtr_->tkwin_, XA_PRIMARY, XA_STRING, 
-		      SelectionProc, this, XA_STRING);
-
-  optionTable_ =Tk_CreateOptionTable(graphPtr->interp_, optionSpecs);
-  Tk_InitOptions(graphPtr->interp_, (char*)ops_, optionTable_, graphPtr->tkwin_);
-}
-
-Legend::~Legend()
-{
-  //  LegendOptions* ops = (LegendOptions*)ops_;
-
-  delete bindTable_;
-    
-  if (focusGC_)
-    graphPtr_->freePrivateGC(focusGC_);
-
-  if (graphPtr_->tkwin_)
-    Tk_DeleteSelHandler(graphPtr_->tkwin_, XA_PRIMARY, XA_STRING);
-
-  delete selected_;
-
-  Tk_FreeConfigOptions((char*)ops_, optionTable_, graphPtr_->tkwin_);
-  free(ops_);
-}
-
-int Legend::configure()
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-
-  // GC for active label, Dashed outline
-  unsigned long gcMask = GCForeground | GCLineStyle;
-  XGCValues gcValues;
-  gcValues.foreground = ops->focusColor->pixel;
-  gcValues.line_style = (LineIsDashed(ops->focusDashes))
-    ? LineOnOffDash : LineSolid;
-  GC newGC = graphPtr_->getPrivateGC(gcMask, &gcValues);
-  if (LineIsDashed(ops->focusDashes)) {
-    ops->focusDashes.offset = 2;
-    graphPtr_->setDashes(newGC, &ops->focusDashes);
-  }
-  if (focusGC_)
-    graphPtr_->freePrivateGC(focusGC_);
-
-  focusGC_ = newGC;
-
-  return TCL_OK;
-}
-
-void Legend::map(int plotWidth, int plotHeight)
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-  
-  entryWidth_ =0;
-  entryHeight_ = 0;
-  nRows_ =0;
-  nColumns_ =0;
-  nEntries_ =0;
-  height_ =0;
-  width_ = 0;
-
-  TextStyle tts(graphPtr_, &ops->titleStyle);
-  tts.getExtents(ops->title, &titleWidth_, &titleHeight_);
-
-  // Count the number of legend entries and determine the widest and tallest
-  // label.  The number of entries would normally be the number of elements,
-  // but elements can have no legend entry (-label "").
-  int nEntries =0;
-  int maxWidth =0;
-  int maxHeight =0;
-  TextStyle ts(graphPtr_, &ops->style);
-  for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList); 
-       link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    int w, h;
-    ts.getExtents(elemOps->label, &w, &h);
-    if (maxWidth < (int)w)
-      maxWidth = w;
-
-    if (maxHeight < (int)h)
-      maxHeight = h;
-
-    nEntries++;
-  }
-  if (nEntries == 0)
-    return;
-
-  Tk_FontMetrics fontMetrics;
-  Tk_GetFontMetrics(ops->style.font, &fontMetrics);
-  int symbolWidth = 2 * fontMetrics.ascent;
-
-  maxWidth += 2 * ops->entryBW + 2*ops->ixPad +
-    + symbolWidth + 3 * 2;
-
-  maxHeight += 2 * ops->entryBW + 2*ops->iyPad;
-
-  maxWidth |= 0x01;
-  maxHeight |= 0x01;
-
-  int lw = plotWidth - 2 * ops->borderWidth - 2*ops->xPad;
-  int lh = plotHeight - 2 * ops->borderWidth - 2*ops->yPad;
-
-  /*
-   * The number of rows and columns is computed as one of the following:
-   *
-   *	both options set		User defined. 
-   *  -rows				Compute columns from rows.
-   *  -columns			Compute rows from columns.
-   *	neither set			Compute rows and columns from
-   *					size of plot.  
-   */
-  int nRows =0;
-  int nColumns =0;
-  if (ops->reqRows > 0) {
-    nRows = MIN(ops->reqRows, nEntries); 
-    if (ops->reqColumns > 0)
-      nColumns = MIN(ops->reqColumns, nEntries);
-    else
-      nColumns = ((nEntries - 1) / nRows) + 1; /* Only -rows. */
-  }
-  else if (ops->reqColumns > 0) { /* Only -columns. */
-    nColumns = MIN(ops->reqColumns, nEntries);
-    nRows = ((nEntries - 1) / nColumns) + 1;
-  }
-  else {			
-    // Compute # of rows and columns from the legend size
-    nRows = lh / maxHeight;
-    nColumns = lw / maxWidth;
-    if (nRows < 1) {
-      nRows = nEntries;
-    }
-    if (nColumns < 1) {
-      nColumns = nEntries;
-    }
-    if (nRows > nEntries) {
-      nRows = nEntries;
-    } 
-    switch ((Position)ops->position) {
-    case TOP:
-    case BOTTOM:
-      nRows = ((nEntries - 1) / nColumns) + 1;
-      break;
-    case LEFT:
-    case RIGHT:
-    default:
-      nColumns = ((nEntries - 1) / nRows) + 1;
-      break;
-    }
-  }
-  if (nColumns < 1)
-    nColumns = 1;
-
-  if (nRows < 1)
-    nRows = 1;
-
-  lh = (nRows * maxHeight);
-  if (titleHeight_ > 0)
-    lh += titleHeight_ + ops->yPad;
-
-  lw = nColumns * maxWidth;
-  if (lw < (int)(titleWidth_))
-    lw = titleWidth_;
-
-  width_ = lw + 2 * ops->borderWidth + 2*ops->xPad;
-  height_ = lh + 2 * ops->borderWidth + 2*ops->yPad;
-  nRows_ = nRows;
-  nColumns_ = nColumns;
-  nEntries_ = nEntries;
-  entryHeight_ = maxHeight;
-  entryWidth_ = maxWidth;
-
-  int row =0;
-  int col =0;
-  int count =0;
-  for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList); 
-       link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    count++;
-    elemPtr->row_ = row;
-    elemPtr->col_ = col;
-    row++;
-    if ((count % nRows) == 0) {
-      col++;
-      row = 0;
-    }
-  }
-}
-
-void Legend::draw(Drawable drawable)
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-  GraphOptions* gops = (GraphOptions*)graphPtr_->ops_;
-
-  if ((ops->hide) || (nEntries_ == 0))
-    return;
-
-  setOrigin();
-  Tk_Window tkwin = graphPtr_->tkwin_;
-  int w = width_;
-  int h = height_;
-
-  Pixmap pixmap = Tk_GetPixmap(graphPtr_->display_, Tk_WindowId(tkwin), w, h, 
-			       Tk_Depth(tkwin));
-
-  if (ops->normalBg)
-    Tk_Fill3DRectangle(tkwin, pixmap, ops->normalBg, 0, 0, 
-		       w, h, 0, TK_RELIEF_FLAT);
-  else {
-    switch ((Position)ops->position) {
-    case TOP:
-    case BOTTOM:
-    case RIGHT:
-    case LEFT:
-      Tk_Fill3DRectangle(tkwin, pixmap, gops->normalBg, 0, 0, 
-			 w, h, 0, TK_RELIEF_FLAT);
-      break;
-    case PLOT:
-    case XY:
-      // Legend background is transparent and is positioned over the the
-      // plot area.  Either copy the part of the background from the backing
-      // store pixmap or (if no backing store exists) just fill it with the
-      // background color of the plot.
-      if (graphPtr_->cache_ != None)
-	XCopyArea(graphPtr_->display_, graphPtr_->cache_, pixmap, 
-		  graphPtr_->drawGC_, x_, y_, w, h, 0, 0);
-      else 
-	Tk_Fill3DRectangle(tkwin, pixmap, gops->plotBg, 0, 0, 
-			   w, h, TK_RELIEF_FLAT, 0);
-      break;
-    };
-  }
-
-  Tk_FontMetrics fontMetrics;
-  Tk_GetFontMetrics(ops->style.font, &fontMetrics);
-
-  int symbolSize = fontMetrics.ascent;
-  int xMid = symbolSize + 1 + ops->entryBW;
-  int yMid = (symbolSize / 2) + 1 + ops->entryBW;
-  int xLabel = 2 * symbolSize + ops->entryBW +  ops->ixPad + 2 * 2;
-  int ySymbol = yMid + ops->iyPad; 
-  int xSymbol = xMid + 2;
-
-  int x = ops->xPad + ops->borderWidth;
-  int y = ops->yPad + ops->borderWidth;
-  
-  TextStyle tts(graphPtr_, &ops->titleStyle);
-  tts.drawText(pixmap, ops->title, x, y);
-  if (titleHeight_ > 0)
-    y += titleHeight_ + ops->yPad;
-
-  int count = 0;
-  int yStart = y;
-  TextStyle ts(graphPtr_, &ops->style);
-
-  for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList);
-       link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-    if (!elemOps->label)
-      continue;
-
-    int isSelected = entryIsSelected(elemPtr);
-    if (elemPtr->labelActive_)
-      Tk_Fill3DRectangle(tkwin, pixmap, ops->activeBg, 
-			 x, y, entryWidth_, entryHeight_, 
-			 ops->entryBW, ops->activeRelief);
-    else if (isSelected) {
-      XColor* fg = (flags & FOCUS) ?
-	ops->selInFocusFgColor : ops->selOutFocusFgColor;
-      Tk_3DBorder bg = (flags & FOCUS) ?
-	ops->selInFocusBg : ops->selOutFocusBg;
-      ops->style.color = fg;
-      Tk_Fill3DRectangle(tkwin, pixmap, bg, x, y, 
-			 entryWidth_, entryHeight_, 
-			 ops->selBW, ops->selRelief);
-    }
-    else {
-      ops->style.color = ops->fgColor;
-      if (elemOps->legendRelief != TK_RELIEF_FLAT)
-	Tk_Fill3DRectangle(tkwin, pixmap, gops->normalBg, 
-			   x, y, entryWidth_, 
-			   entryHeight_, ops->entryBW, 
-			   elemOps->legendRelief);
-    }
-    elemPtr->drawSymbol(pixmap, x + xSymbol, y + ySymbol, symbolSize);
-
-    ts.drawText(pixmap, elemOps->label, x+xLabel, y+ops->entryBW+ops->iyPad);
-    count++;
-
-    if (focusPtr_ == elemPtr) {
-      if (isSelected) {
-	XColor* color = (flags & FOCUS) ?
-	  ops->selInFocusFgColor : ops->selOutFocusFgColor;
-	XSetForeground(graphPtr_->display_, focusGC_, color->pixel);
-      }
-      XDrawRectangle(graphPtr_->display_, pixmap, focusGC_, 
-		     x + 1, y + 1, entryWidth_ - 3, 
-		     entryHeight_ - 3);
-      if (isSelected)
-	XSetForeground(graphPtr_->display_, focusGC_, ops->focusColor->pixel);
-    }
-
-    // Check when to move to the next column
-    if ((count % nRows_) > 0)
-      y += entryHeight_;
-    else {
-      x += entryWidth_;
-      y = yStart;
-    }
-  }
-
-  Tk_3DBorder bg = ops->normalBg;
-  if (!bg)
-    bg = gops->normalBg;
-
-  Tk_Draw3DRectangle(tkwin, pixmap, bg, 0, 0, w, h, 
-		     ops->borderWidth, ops->relief);
-  XCopyArea(graphPtr_->display_, pixmap, drawable, graphPtr_->drawGC_, 
-	    0, 0, w, h, x_, y_);
-
-  Tk_FreePixmap(graphPtr_->display_, pixmap);
-}
-
-void Legend::print(PSOutput* psPtr)
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-  GraphOptions* gops = (GraphOptions*)graphPtr_->ops_;
-  PostscriptOptions* pops = (PostscriptOptions*)graphPtr_->postscript_->ops_;
-
-  if ((ops->hide) || (nEntries_ == 0))
-    return;
-
-  setOrigin();
-
-  double x = x_;
-  double y = y_;
-  int width = width_ - 2*ops->xPad;
-  int height = height_ - 2*ops->yPad;
-
-  psPtr->append("% Legend\n");
-  if (pops->decorations) {
-    if (ops->normalBg)
-      psPtr->fill3DRectangle(ops->normalBg, x, y, width, height, 
-			     ops->borderWidth, ops->relief);
-    else
-      psPtr->print3DRectangle(gops->normalBg, x, y, width, height, 
-			     ops->borderWidth, ops->relief);
-
-  }
-  else {
-    psPtr->setClearBackground();
-    psPtr->fillRectangle(x, y, width, height);
-  }
-
-  Tk_FontMetrics fontMetrics;
-  Tk_GetFontMetrics(ops->style.font, &fontMetrics);
-  int symbolSize = fontMetrics.ascent;
-  int xMid = symbolSize + 1 + ops->entryBW;
-  int yMid = (symbolSize / 2) + 1 + ops->entryBW;
-  int xLabel = 2 * symbolSize + ops->entryBW + ops->ixPad + 5;
-  int xSymbol = xMid + ops->ixPad;
-  int ySymbol = yMid + ops->iyPad;
-
-  x += ops->borderWidth;
-  y += ops->borderWidth;
-  TextStyle tts(graphPtr_, &ops->titleStyle);
-  tts.printText(psPtr, ops->title, x, y);
-  if (titleHeight_ > 0)
-    y += titleHeight_ + ops->yPad;
-
-  int count = 0;
-  double yStart = y;
-  TextStyle ts(graphPtr_, &ops->style);
-
-  for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList); 
-       link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    if (elemPtr->labelActive_) {
-      ops->style.color = ops->activeFgColor;
-      psPtr->fill3DRectangle(ops->activeBg, x, y, entryWidth_, 
-			     entryHeight_, ops->entryBW, 
-			     ops->activeRelief);
-    }
-    else {
-      ops->style.color = ops->fgColor;
-      if (elemOps->legendRelief != TK_RELIEF_FLAT)
-	psPtr->print3DRectangle(gops->normalBg, x, y, entryWidth_, entryHeight_,
-			       ops->entryBW, elemOps->legendRelief);
-    }
-    elemPtr->printSymbol(psPtr, x + xSymbol, y + ySymbol, symbolSize);
-    ts.printText(psPtr, elemOps->label, x + xLabel, 
-		 y + ops->entryBW + ops->iyPad);
-    count++;
-
-    if ((count % nRows_) > 0)
-      y += entryHeight_;
-    else {
-      x += entryWidth_;
-      y = yStart;
-    }
-  }
-}
-
-void Legend::removeElement(Element* elemPtr)
-{
-  bindTable_->deleteBindings(elemPtr);
-}
-
-void Legend::eventuallyInvokeSelectCmd()
-{
-  if ((flags & SELECT_PENDING) == 0) {
-    flags |= SELECT_PENDING;
-    Tcl_DoWhenIdle(SelectCmdProc, this);
-  }
-}
-
-void Legend::setOrigin()
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-  GraphOptions* gops = (GraphOptions*)graphPtr_->ops_;
-
-  int x =0;
-  int y =0;
-  int w =0;
-  int h =0;
-  switch ((Position)ops->position) {
-  case RIGHT:
-    w = gops->rightMargin.width - gops->rightMargin.axesOffset;
-    h = graphPtr_->bottom_ - graphPtr_->top_;
-    x = graphPtr_->right_ + gops->rightMargin.axesOffset;
-    y = graphPtr_->top_;
-    break;
-
-  case LEFT:
-    w = gops->leftMargin.width - gops->leftMargin.axesOffset;
-    h = graphPtr_->bottom_ - graphPtr_->top_;
-    x = graphPtr_->inset_;
-    y = graphPtr_->top_;
-    break;
-
-  case TOP:
-    w = graphPtr_->right_ - graphPtr_->left_;
-    h = gops->topMargin.height - gops->topMargin.axesOffset;
-    if (gops->title)
-      h -= graphPtr_->titleHeight_;
-
-    x = graphPtr_->left_;
-    y = graphPtr_->inset_;
-    if (gops->title)
-      y += graphPtr_->titleHeight_;
-    break;
-
-  case BOTTOM:
-    w = graphPtr_->right_ - graphPtr_->left_;
-    h = gops->bottomMargin.height - gops->bottomMargin.axesOffset;
-    x = graphPtr_->left_;
-    y = graphPtr_->bottom_ + gops->bottomMargin.axesOffset;
-    break;
-
-  case PLOT:
-    w = graphPtr_->right_ - graphPtr_->left_;
-    h = graphPtr_->bottom_ - graphPtr_->top_;
-    x = graphPtr_->left_;
-    y = graphPtr_->top_;
-    break;
-
-  case XY:
-    w = width_;
-    h = height_;
-    x = ops->xReq;
-    y = ops->yReq;
-    if (x < 0)
-      x += graphPtr_->width_;
-
-    if (y < 0)
-      y += graphPtr_->height_;
-    break;
-  }
-
-  switch (ops->anchor) {
-  case TK_ANCHOR_NW:
-    break;
-  case TK_ANCHOR_W:
-    if (h > height_)
-      y += (h - height_) / 2;
-    break;
-  case TK_ANCHOR_SW:
-    if (h > height_)
-      y += (h - height_);
-    break;
-  case TK_ANCHOR_N:
-    if (w > width_)
-      x += (w - width_) / 2;
-    break;
-  case TK_ANCHOR_CENTER:
-    if (h > height_)
-      y += (h - height_) / 2;
-
-    if (w > width_)
-      x += (w - width_) / 2;
-    break;
-  case TK_ANCHOR_S:
-    if (w > width_)
-      x += (w - width_) / 2;
-
-    if (h > height_)
-      y += (h - height_);
-    break;
-  case TK_ANCHOR_NE:
-    if (w > width_)
-      x += w - width_;
-    break;
-  case TK_ANCHOR_E:
-    if (w > width_)
-      x += w - width_;
-
-    if (h > height_)
-      y += (h - height_) / 2;
-    break;
-  case TK_ANCHOR_SE:
-    if (w > width_) {
-      x += w - width_;
-    }
-    if (h > height_) {
-      y += (h - height_);
-    }
-    break;
-  }
-
-  x_ = x + ops->xPad;
-  y_ = y + ops->yPad;
-}
-
-void Legend::selectEntry(Element* elemPtr)
-{
-  switch (flags & SELECT_TOGGLE) {
-  case SELECT_CLEAR:
-    deselectElement(elemPtr);
-    break;
-  case SELECT_SET:
-    selectElement(elemPtr);
-    break;
-  case SELECT_TOGGLE:
-    Tcl_HashEntry* hPtr = Tcl_FindHashEntry(&selectTable_, (char*)elemPtr);
-    if (hPtr)
-      deselectElement(elemPtr);
-    else
-      selectElement(elemPtr);
-    break;
-  }
-}
-
-void Legend::selectElement(Element* elemPtr)
-{
-  int isNew;
-  Tcl_HashEntry* hPtr = 
-    Tcl_CreateHashEntry(&selectTable_, (char*)elemPtr, &isNew);
-  if (isNew) {
-    ChainLink* link = selected_->append(elemPtr);
-    Tcl_SetHashValue(hPtr, link);
-  }
-}
-
-void Legend::deselectElement(Element* elemPtr)
-{
-  Tcl_HashEntry* hPtr = Tcl_FindHashEntry(&selectTable_, (char*)elemPtr);
-  if (hPtr) {
-    ChainLink* link = (ChainLink*)Tcl_GetHashValue(hPtr);
-    selected_->deleteLink(link);
-    Tcl_DeleteHashEntry(hPtr);
-  }
-}
-
-
-int Legend::selectRange(Element *fromPtr, Element *toPtr)
-{
-  int isBefore=0;
-  for (ChainLink* linkPtr = fromPtr->link; linkPtr; linkPtr = linkPtr->next())
-    if (linkPtr == toPtr->link)
-      isBefore =1;
-
-  if (isBefore) {
-    for (ChainLink* link = fromPtr->link; link; link = Chain_NextLink(link)) {
-      Element* elemPtr = (Element*)Chain_GetValue(link);
-      selectEntry(elemPtr);
-      if (link == toPtr->link)
-	break;
-    }
-  } 
-  else {
-    for (ChainLink* link = fromPtr->link; link; link = Chain_PrevLink(link)) {
-      Element* elemPtr = (Element*)Chain_GetValue(link);
-      selectEntry(elemPtr);
-      if (link == toPtr->link)
-	break;
-    }
-  }
-
-  return TCL_OK;
-}
-
-void Legend::clearSelection()
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-
-  Tcl_DeleteHashTable(&selectTable_);
-  Tcl_InitHashTable(&selectTable_, TCL_ONE_WORD_KEYS);
-  selected_->reset();
-
-  if (ops->selectCmd)
-    eventuallyInvokeSelectCmd();
-}
-
-int Legend::entryIsSelected(Element* elemPtr)
-{
-  Tcl_HashEntry* hPtr = Tcl_FindHashEntry(&selectTable_, (char*)elemPtr);
-  return (hPtr != NULL);
-}
-
-int Legend::getElementFromObj(Tcl_Obj* objPtr, Element** elemPtrPtr)
-{
-  const char *string = Tcl_GetString(objPtr);
-  Element* elemPtr = NULL;
-
-  if (!strcmp(string, "anchor"))
-    elemPtr = selAnchorPtr_;
-  else if (!strcmp(string, "current"))
-    elemPtr = (Element*)bindTable_->currentItem();
-  else if (!strcmp(string, "first"))
-    elemPtr = getFirstElement();
-  else if (!strcmp(string, "focus"))
-    elemPtr = focusPtr_;
-  else if (!strcmp(string, "last"))
-    elemPtr = getLastElement();
-  else if (!strcmp(string, "end"))
-    elemPtr = getLastElement();
-  else if (!strcmp(string, "next.row"))
-    elemPtr = getNextRow(focusPtr_);
-  else if (!strcmp(string, "next.column"))
-    elemPtr = getNextColumn(focusPtr_);
-  else if (!strcmp(string, "previous.row"))
-    elemPtr = getPreviousRow(focusPtr_);
-  else if (!strcmp(string, "previous.column"))
-    elemPtr = getPreviousColumn(focusPtr_);
-  else if (string[0] == '@') {
-    int x, y;
-    if (graphPtr_->getXY(string, &x, &y) != TCL_OK)
-      return TCL_ERROR;
-
-    ClassId classId;
-    elemPtr = (Element*)pickEntry(x, y, &classId);
-  }
-  else {
-    if (graphPtr_->getElement(objPtr, &elemPtr) != TCL_OK)
-      return TCL_ERROR;
-
-    if (!elemPtr->link) {
-      Tcl_AppendResult(graphPtr_->interp_, "bad legend index \"", string, "\"",
-		       (char *)NULL);
-      return TCL_ERROR;
-    }
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-    if (!elemOps->label)
-      elemPtr = NULL;
-  }
-
-  *elemPtrPtr = elemPtr;
-  return TCL_OK;
-}
-
-Element* Legend::getNextRow(Element* focusPtr)
-{
-  unsigned col = focusPtr->col_;
-  unsigned row = focusPtr->row_ + 1;
-  for (ChainLink* link = focusPtr->link; link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    if ((elemPtr->col_ == col) && (elemPtr->row_ == row))
-      return elemPtr;	
-  }
-  return NULL;
-}
-
-Element* Legend::getNextColumn(Element* focusPtr)
-{
-  unsigned col = focusPtr->col_ + 1;
-  unsigned row = focusPtr->row_;
-  for (ChainLink* link = focusPtr->link; link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    if ((elemPtr->col_ == col) && (elemPtr->row_ == row))
-      return elemPtr;
-  }
-  return NULL;
-}
-
-Element* Legend::getPreviousRow(Element* focusPtr)
-{
-  unsigned col = focusPtr->col_;
-  unsigned row = focusPtr->row_ - 1;
-  for (ChainLink* link = focusPtr->link; link; link = Chain_PrevLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    if ((elemPtr->col_ == col) && (elemPtr->row_ == row))
-      return elemPtr;	
-  }
-  return NULL;
-}
-
-Element* Legend::getPreviousColumn(Element* focusPtr)
-{
-  unsigned col = focusPtr->col_ - 1;
-  unsigned row = focusPtr->row_;
-  for (ChainLink* link = focusPtr->link; link; link = Chain_PrevLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-
-    if (!elemOps->label)
-      continue;
-
-    if ((elemPtr->col_ == col) && (elemPtr->row_ == row))
-      return elemPtr;	
-  }
-  return NULL;
-}
-
-Element* Legend::getFirstElement()
-{
-  for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList);
-       link; link = Chain_NextLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-    if (elemOps->label)
-      return elemPtr;
-  }
-  return NULL;
-}
-
-Element* Legend::getLastElement()
-{
-  for (ChainLink* link = Chain_LastLink(graphPtr_->elements_.displayList); 
-       link; link = Chain_PrevLink(link)) {
-    Element* elemPtr = (Element*)Chain_GetValue(link);
-    ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-    if (elemOps->label)
-      return elemPtr;
-  }
-  return NULL;
-}
-
-ClientData Legend::pickEntry(int xx, int yy, ClassId* classIdPtr)
-{
-  LegendOptions* ops = (LegendOptions*)ops_;
-
-  int ww = width_;
-  int hh = height_;
-
-  if (titleHeight_ > 0)
-    yy -= titleHeight_ + ops->yPad;
-
-  xx -= x_ + ops->borderWidth;
-  yy -= y_ + ops->borderWidth;
-  ww -= 2 * ops->borderWidth + 2*ops->xPad;
-  hh -= 2 * ops->borderWidth + 2*ops->yPad;
-
-  // In the bounding box? if so, compute the index
-  if (xx >= 0 && xx < ww && yy >= 0 && yy < hh) {
-    int row    = yy / entryHeight_;
-    int column = xx / entryWidth_;
-    int nn = (column * nRows_) + row;
-
-    // Legend entries are stored in bottom-to-top
-    if (nn < nEntries_) {
-      int count = 0;
-      for (ChainLink* link = Chain_FirstLink(graphPtr_->elements_.displayList);
-	   link; link = Chain_NextLink(link)) {
-	Element* elemPtr = (Element*)Chain_GetValue(link);
-	ElementOptions* elemOps = (ElementOptions*)elemPtr->ops();
-	if (elemOps->label) {
-	  if (count == nn) {
-	    *classIdPtr = elemPtr->classId();
-	    return elemPtr;
-	  }
-	  count++;
-	}
-      }	      
-    }
-  }
-
-  return NULL;
-}
-
-// Support
-
-static int SelectionProc(ClientData clientData, int offset, char *buffer,
-			 int maxBytes)
-{
-  Legend* legendPtr = (Legend*)clientData;
-  Graph* graphPtr = legendPtr->graphPtr_;
-  LegendOptions* ops = (LegendOptions*)legendPtr->ops();
-
-  if ((ops->exportSelection) == 0)
-    return -1;
-
-  // Retrieve the names of the selected entries
-  Tcl_DString dString;
-  Tcl_DStringInit(&dString);
-  if (legendPtr->flags & SELECT_SORTED) {
-    for (ChainLink* link=Chain_FirstLink(legendPtr->selected_); 
-	 link; link = Chain_NextLink(link)) {
-      Element* elemPtr = (Element*)Chain_GetValue(link);
-      Tcl_DStringAppend(&dString, elemPtr->name_, -1);
-      Tcl_DStringAppend(&dString, "\n", -1);
-    }
-  }
-  else {
-    for (ChainLink* link=Chain_FirstLink(graphPtr->elements_.displayList);
-	 link; link = Chain_NextLink(link)) {
-      Element* elemPtr = (Element*)Chain_GetValue(link);
-      if (legendPtr->entryIsSelected(elemPtr)) {
-	Tcl_DStringAppend(&dString, elemPtr->name_, -1);
-	Tcl_DStringAppend(&dString, "\n", -1);
-      }
-    }
-  }
-
-  int nBytes = Tcl_DStringLength(&dString) - offset;
-  strncpy(buffer, Tcl_DStringValue(&dString) + offset, maxBytes);
-  Tcl_DStringFree(&dString);
-  buffer[maxBytes] = '\0';
-  return MIN(nBytes, maxBytes);
-}
-
-static void SelectCmdProc(ClientData clientData) 
-{
-  Legend* legendPtr = (Legend*)clientData;
-  LegendOptions* ops = (LegendOptions*)legendPtr->ops();
-
-  Tcl_Preserve(legendPtr);
-  legendPtr->flags &= ~SELECT_PENDING;
-  if (ops->selectCmd) {
-    Tcl_Interp* interp = legendPtr->graphPtr_->interp_;
-    if (Tcl_GlobalEval(interp, ops->selectCmd) != TCL_OK)
-      Tcl_BackgroundError(interp);
-  }
-  Tcl_Release(legendPtr);
-}
-
-
-