Athena Tools Library: Status Report
		-----------------------------------
[last update:  01/29/91, crcraig]


Module: AtText
What: formatted text display
Spec: /mit/atdev/spec/man/AtText.3X /mit/atdev/spec/man/AtFontFamily.3X
Implementation: /mit/atdev/src/text/Text.{c,h} /mit/atdev/src/text/TextPS.c
		/mit/atdev/src/text/FontFamily{.c,.h,P.h}
		/mit/atdev/src/text/FontFamilyPS.c
Status: stable, in library
Owner: Chris V.
Todo: multi-line text, integrals, fractions, squareroots, etc., mouse
	hit detection
Issues: can we use it for AtHelp widget, or do we need a different
	text module for scrolled multi-line text display?  
	Should it have latex-type formatting instead of scribe?

Module: AtLabel
What: a static formatted text widget
Spec: /mit/atdev/spec/man/AtLabel.3X
Implementation: /mit/atdev/text/Label{.c,.h,P.h}
Status: stable, in library
Owner: Kambiz
ToDo: done

Module: AtSlider
What: a "sliding potentiometer" widget
Spec: /mit/atdev/spec/man/AtSlider.3X
Implementation: /mit/crcraig/Tmp/Slider
Status: unfinished
Owner: Chris C.
ToDo:  update man page, fix resize bugs, write setvalues code

Module: AtParameter
What: display and user input of a single numeric quantity
Spec: /mit/atdev/spec/man/AtParameter.3X
Implementation: /mit/atdev/src/parameter/Parameter{.c,.h,P.h}
Status: stable, in library.
Owner: Chris C.
ToDo: fix sizing problems, make it work with pbox

Module: AtParameterBox
What: manage a bunch of AtParameters
Spec: /mit/atdev/spec/man/AtPBox.3X
Implementation: nyi
Status: designed, implementation on hold
Owner: Chris C. w/ Yoko Izumi

Module: AtReadout
What: display only widget for a single number; "digital voltmeter"
Spec: ?
Implementation:  /mit/kambiz/???
Status: Motif implementation done; "generic" implmentation needed
Owner: Kambiz
ToDo: subclass from Core instead of XmPrimitive

Module: AtSpreadsheet
What: a widget that displays and allows editing of a table
Spec: /mit/atdev/spec/man/AtSpreadsheet.3X
Implementation: /mit/atdev/src/xcell/Spreadsheet{.c,.h,P.h}
Status: implemented, needs testing, trial use. Man page out of date.
Owner: Chris V.
ToDo: column, row, and region selections, postscript output,
Issues: should we rename it to AtTable ?  [Yes!]

Module: AtTable
What: an Xt Object that represents a table
Spec: /mit/atdev/src/xcell/TableP.h
Implementation: /mit/atdev/src/xcell/Table{.c,.h,P.h}
Status: implemented, needs trial use.  Needs man page writtten.
Owner: Chris V.
Issues: This is a very simple table object, it needs interesting subclasses 
	which do sophisticated things.  It may need new class methods
	for add/remove row/column.  Should we rename it AtModel? [Yes!]

Module: AtStripchart
What: an oscilliscope/stripchart widget
Spec: /mit/atdev/spec/man/AtStripchart.3X
Implementation: /mit/atdev/src/stripchart/Stripchart{.c,.h.P.h}
Status: many features not implemented, man page out of date.
Owner: Kambiz
ToDo: hook it up to AtTrace object, do margin grippers, text display

Module: AtTrace
What: a single trace or "pen" for the AtStripchart; An XtObject
Spec: /mit/atdev/src/stripchart/TraceP.h
Implementation: /mit/atdev/src/stripchart/Trace{.c,.h,P.h}
Status: resources and class structure layed out, class methods not
	written.  Spec should be added to AtStripchart man page.
Owner: Kambiz
ToDo: write the class methods, try it out with the AtStripchart

Module: AtPlotter
What: a 2D plotter widget; displays x-y axes.
Spec: /mit/atdev/spec/man/AtPlotter.3X
Implementation: /mit/atdev/src/plotter/Plotter{.c,.h,P.h}, 
                /mit/atdev/src/plotter/PlotterPS.c
Status: programmer's interface is stable, in library
Owner: Chris C.
ToDo: maintanence, add new features.

Module: AtAxis
What: An XtObject that can display a pretty axis.  Used by plotter and slider
Spec: /mit/atdev/spec/man/AtAxis.3X
Implementation: /mit/atdev/src/plotter/Axis{.c,.h,P.h}, 
		/mit/atdev/src/plotter/AxisPS.c
Status: in library
Owner: Chris C.
ToDo: various log-mode bug fixes

Module: AtPlot
What: An Xt Object; a single plot to be displayed in the AtPlotter widget
Spec: /mit/atdev/spec/man/AtPlot.3X
Implementation: /mit/atdev/src/plotter/Plot{.c,.h.P.h}
Status: stable, in library
Owner: Chris C.

Module: AtXYPlot
What: subclass of AtPlot; displays a standard XY plot.
Spec: /mit/atdev/spec/man/AtXYPlot.3X
Implementation: /mit/atdev/src/plotter/XYPlot(.c,.h,P.h}
Status: stable, in library.
Owner: Chris C.

Module: AtTextPlot
What: subclass of AtPlot; for making annotations in the plotter.
Spec: /mit/atdev/spec/man/AtTextPlot.3X
Implementation: /mit/atdev/src/plotter/TextPlot{.c,.h.P.h}
Status: stable, in library
Owner: Chris C.

Module: AtXYErrorPlot
What: subclass of AtXYPlot; add error bars
Spec:  /mit/atdev/spec/man/AtXYErrorPlot.3X
Implementation: /mit/atdev/src/plotter/XYErrorPlot{.c,.h,P.h}
Status: implemented, in library, should be tested more.
Owner: Chris C.

Module: AtContourPlot
What: subclass of AtPlot; displays contours of data
Spec:  /mit/atdev/spec/man/AtContourPlot.3X
Implementation: /mit/atdev/src/plotter/ContourPlot{.c,.h,P.h}
Status: implemented, in library, should be tested more.
Owner: Chris C.

Module: AtBarchart
What: subclass of AtPlot; displays barcharts/histograms
Spec:  /mit/atdev/spec/man/AtBarchart.3X
Implementation: /mit/atdev/src/plotter/Barchart{.c,.h,P.h}
Status: implemented, in library.
Owner: Kambiz

Module: AtFBarchart
What: subclass of AtBarchart; displays barcharts with data from files
Spec:  /mit/atdev/spec/man/AtBarchart.3X
Implementation: /mit/atdev/src/plotter/FBarchart{.c,.h,P.h}
Status: implemented, in library.
Owner: Kambiz

Module: AtScale
What: a datatype and routines for transforming between user and pixel space.
Spec: /mit/atdev/src/plotter/Scale.h
Implementation: /mit/atdev/src/plotter/Scale{.c,.h}
Status: stable, in library
Owner: Chris C.
Issues: does it extend somehow to a 3D Projection object? 

Module: AtThreedee
What: A 3D plotter widget and associated Xt Objects.
Spec: /mit/atdev/src/3d/thesis/*.mss
Implementation: /mit/atdev/src/3d/Threedee{.c,.h,P.h}
		/mit/atdev/src/3d/Axis3{.c,.h,P.h}
		/mit/atdev/src/3d/Plot3{.c,.h,P.h}
		/mit/atdev/src/3d/*
Status: prototype with cosmetic bugs
Owner:  Chris C.
ToDo: get prototype working, fix architectural problems, merge AtAxis3
	with AtAxis, consider changing projection algorithm,
	add perspective, optimize hidden surface removal
Issues: rename modules?

Module: AtCli
What: a Command Line Interface widget; for Xt programs that want an xterm
Spec: /mit/atdev/spec/man/AtCli.3X
Implementation: /mit/atdev/src/cli/Cli{.c,.h,P.h}
Status: stable, tested, in library
Owner:  Chris C./Dot

Module: AtMessageLine
What: a message line widget, for output and input, like Emacs has.
Spec: /mit/atdev/spec/man/AtMessageLine.3X
Implementation: /mit/atdev/src/msgline/MessageLine{.c,.h,P.h}
Status: stable, in library
Owner:  Chris C.

Module: AtHelp
What: Hierarchial display of sectioned documents for online help; hyperstuff
Spec: /mit/atdev/spec/man/AtHelp.3X
Implementation: /mit/atdev/src/help/Help{.c,.h,P.h}
Status: prototype implemented, no formatted text, in library
Owner:  Chris C.
ToDo:  expand document format, add formatted text
Issues: we need a standard document format with a few basic formatting
	environments. 

Module: AtLayout
What: The ultimate widget for layout of children
Spec: /mit/atdev/spec/man/AtLayout.3X
Implementation: /mit/atdev/src/layout/Layout{.c,.h,P.h}
Status:  tested, in library
Owner:  Chris C.
ToDo: allow stretchy rows/cols, clean up grammar, add lines
Issues: could be expanded to handle keyboard focus, hypercard like
	layout of text and bitmaps

Module: AtDialog
What: simple dialog management routines
Spec: not written.
Implementation: /mit/atdev/src/dialog/dialog{.c,.h}
Status: needs testing contexts other than fmax, needs design review,
	currently being worked on.
Owner: Chris C.
ToDo: Fix for use with X11R4 - XtVaSetValues.

Module: AtDrawingArea
What: a window w/ callbacks for expose, resize, click, drag.  Does
	rubberbanding.  Optional built in palette (as in MacDraw).  
	Optional built in scrollbars.  Optional user space transforms(?)
Spec: not written
Implementation: prototype in /mit/atdev/src/drawarea/DrawingArea{.c,.h,P.h}
Status: bare-bones prototype implemented; needs to be finished, not in
	library
Owner: Chris C.

Module: AtExpression
What: symbolic mathematical expression manipulation routines
Spec: /mit/atdev/spec/AtExpression.spec
Implementation:	fmax routines requiring a lot of reworking in:
	/mit/atdev/src/fmax/{grammar.*, functions.c, eval.c, symbols.c}
Status: designed, implementation is a very different architecture.
Owner: ?
Issues: can't use lex, Bison is okay.

Module: AtSymbolTable
What: store and reteive the value of symbols in nested contexts.
Spec: /mit/atdev/spec/AtExpression.spec
Implementation: nyi
Status: designed, not implemented.
Owner: ? 

Module: AtScratchpad
What: type a symbolic math expression and this widget evaluates it.
	Like building a calculator into an application.
Spec: not written
Implementation: nyi
Status: not designed or implemented; waits on AtExpression
Owner: ?
Issues: subclass of AtCli?

Module: AtPicture
What: object oriented drawing facility.
Spec: not written
Implementation: nyi
Status: not designed or implemented
Owner: ? 
ToDo: steal code from idraw or the newer Interviews UniDraw
Issues: will c++ code work with our architecture?
	what about window dumps and bitmap format while we wait for a
	better standard?

Module: AtFileViewer
What: displays a text file in a scrolled text widget
Spec: not written.
Implementation: nyi
Status: needs design and implementation
Owner: ?