Annotation of /sml/trunk/src/eXene/CHANGES

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1 :	monnier	2	eXene-1.0 (released ???)
2 :			------------------------
3 :
4 :			GLOBAL CHANGES
5 :			- changed uses of System.Unsafe.
6 :			[07/11/97]
7 :
8 :			- various minor changes to track basis clean-up in SML/NJ.
9 :			[06/11/97]
10 :
11 :			- various minor changes to conform with SML'97 type sharing rules.
12 :			[05/22/97]
13 :
14 :			- various minor changes to use Real.== instead of polymorphic equality
15 :			(which doesn't work anymore).
16 :			[12/10/96]
17 :
18 :			- modified sources to compile against SML'96 and the latest version of CML.
19 :			[08/01/96]
20 :
21 :			STYLES
22 :			- fixed bug in parsing code.
23 :			[04/07/97]
24 :
25 :			GRAPHICS UTILITIES
26 :			- fixed alignment bug in X authorization code.
27 :			[04/07/97]
28 :
29 :			LIBRARY CHANGES
30 :			- Fixed a bug introduced in SML/NJ 109.30, where the open connection
31 :			request had bogus data in it.
32 :			[08/11/97]
33 :
34 :			- Fixed a bug in the encoding of PolyText8 requests.
35 :			[04/08/97]
36 :
37 :			- One can now use symbolic host names when connecting to servers.
38 :			[08/01/96]
39 :
40 :			WIDGET CHANGES
41 :			- Added RunEXene.parseDisplay.
42 :			[04/07/97]
43 :
44 :			- RunEXene.run and RunEXene.runWArgs now look for the DISPLAY shell variable
45 :			instead of EXENE_DISPLAY.
46 :			[08/01/96]
47 :
48 :
49 :			eXene-0.5 (released ???)
50 :			------------------------
51 :
52 :			GLOBAL CHANGES
53 :			- modified sources to use the Char and String interfaces from the
54 :			new standard basis.
55 :			[11/15/94]
56 :
57 :			LIBRARY CHANGES
58 :			- added partial fix to handle sequence numbers > 2^16; still need to synchronize
59 :			with server when # of requests greatly exceeds replies.
60 :			[02/01/95]
61 :
62 :			- add clause to catch Fail exceptions in the wrapper code for XDebug.xspawn.
63 :			[12/06/94]
64 :
65 :			- added charWidth to the Font structure, and cleaned up the various
66 :			width computing functions in lib/window/font-base.sml.
67 :			[11/26/94]
68 :
69 :			- added withdrawWin to eXeneWin for ICCC-compliant unmapping of top-level
70 :			windows.
71 :			[11/09/94]
72 :
73 :			- added rgbOfColor to eXeneBase for extracting the RGB of a color so that
74 :			the shading colors (for 3D) can be computed.
75 :			[09/21/94]
76 :
77 :			- fixed a bug in protocol/xdisplay.sml, where the connection file descriptor
78 :			was not being closed when the server refuses the connection.
79 :			[08/26/94]
80 :
81 :			- added the authentication datatype to EXeneBase and added an authentication
82 :			parameter to the openDisplay operation.
83 :			[06/08/94]
84 :
85 :			- added position and time information to MOUSE_Enter and MOUSE_Leave
86 :			events. We may want to make mouse events carry more uniform information.
87 :			[06/03/94]
88 :
89 :			- made a bunch of changes to better support properties. Renamed the type
90 :			XProtTypes.property to prop_val, and removed the name field. Added
91 :			a property server to monitor property changes.
92 :			[03/29/94]
93 :
94 :			- added maxReqLen to allow applications to find out the maximum
95 :			request length supported by a display.
96 :			[03/29/94]
97 :
98 :			- renamed Drawing.tileBlt to Drawing.textureBlt, and added a new function,
99 :			called tileBlt, which does a pixelBlt using the tile as a source.
100 :			[03/18/94]
101 :
102 :			- created a per display connection server for managing communications
103 :			related to selections. This also required a couple of minor changes
104 :			to the protocol implementation.
105 :			[03/11/94]
106 :
107 :			- created a per display connection atom table, for caching interned atoms.
108 :			The standard atom definitions moved from xatom.sml to std-atoms.sml.
109 :			[10/26/93]
110 :
111 :			- fixed bug in Geometry.clipPt.
112 :			[07/12/93]
113 :
114 :			- fixed bug in XDebug.xspawn that caused the trace-server's ID to be reported
115 :			instead of the spawned thread.
116 :			[04/12/93]
117 :
118 :			- modified XDebug.xspawn to report thread exiting on the xspawn trace module,
119 :			and to unwatch normally exiting threads. Also, turn on the XDebug.errorTM
120 :			trace module.
121 :			[03/28/93]
122 :
123 :			- added Font.substrWidth for computing the width of a substring.
124 :			[03/27/93]
125 :
126 :			- added general function to change window attributes (EXeneWin.changeAttrs)
127 :			[03/26/93]
128 :
129 :			- added EXeneWin.setBackground
130 :			[03/25/93]
131 :
132 :			GRAPHICS UTILITIES
133 :			- added XAuth structure to provide support for getting authentication
134 :			data needed when opening a display.
135 :			[06/08/94]
136 :
137 :			- added BitmapIO functor that supports reading and writing depth-1 images
138 :			in the X11 format.
139 :			[02/18/93]
140 :
141 :			WIDGET CHANGES
142 :			- added openFont to the Widget structure.
143 :			[11/27/94]
144 :
145 :			- created the EXeneRun utility structure for a higher-level way to invoke
146 :			eXene applications.
147 :			[07/16/94]
148 :
149 :			- added an authentication parameter to the mkRoot operation.
150 :			[06/08/94]
151 :
152 :			- added setCursor and setBackground to Canvas structure to allow those window
153 :			attributes of a canvas to be changed.
154 :			[03/28/94]
155 :
156 :			- fixed a race condition in the canvas widget.
157 :			[04/12/93]
158 :
159 :			- modified box_item datatype declaration in BoxLayout to allow use of
160 :			newconreps.
161 :			[03/28/93]
162 :
163 :			- modified Background widget to use EXeneWin.setBackground.
164 :			[03/26/93]
165 :
166 :			- added colorOf function to Widget structure; shorthand for
167 :			colorOfScr (screenOf root) colorspec (widget.sml).
168 :			[02/19/93]
169 :
170 :			- changed default scrollbar cursor color to gray; correctly handles
171 :			monochrome displays (scrollbar.sml, scroll-view.sml).
172 :			[02/19/93]
173 :
174 :
175 :			eXene-0.4 (released 02/17/93)
176 :			-----------------------------
177 :
178 :			GLOBAL CHANGES
179 :			- changed type naming convention to remove "_t" suffix.
180 :			[02/09/93]
181 :
182 :			- modified source to use SML/NJ Library (v. 0.1). A couple of the interfaces
183 :			are different from the util-lib versions.
184 :			[02/03/93]
185 :
186 :			LIBRARY CHANGES
187 :			- modified XDebug structure to use the trace modules provided by TraceCML.
188 :			Also modified various clients of XDebug.
189 :			[02/10/93]
190 :
191 :			- exposed WindowNotFound exception in EXeneBase.
192 :			[02/10/93]
193 :
194 :			- changed lib-level hashing functions to use SML/NJ Library hash tables.
195 :			[02/09/93]
196 :
197 :			- added encodeSendEvent to XRequest, and send_evt_to_t type to XProtTypes.
198 :			Created the XSendEvent structure, which contains routines for encoding
199 :			SendEvent requests (currently only encodeSendSelectionNotify).
200 :			[11/20/92]
201 :
202 :			- modified lib/protocol/xdisplay.sml to retry connection upto 5 times.
203 :			[11/17/92]
204 :
205 :			- open EXene structure using explicit structure assignments, so as not to
206 :			confuse source groups.
207 :
208 :			- Always create GC server for depth 1 pixmaps (patch for IBM X bug) (display.sml)
209 :
210 :			- Fixed parity error in internAtom and lookupAtom (xatoms.sml)
211 :
212 :			- Added black and white color_spec_t to EXeneBase (abstract.sml,exene-base.sml)
213 :			- Added createImageFromTile function to EXeneBase (exene-base.sml,image.sml)
214 :
215 :			- Removed alloc-type window creation routines (window.sml,exene-win.sml)
216 :
217 :			- Added function createTransientWin (window.sml,exene-win.sml,xprops.sml)
218 :
219 :			- Added function setWMProtocols (window.sml,exene-win.sml,xprops.sml)
220 :
221 :			(2 November 1992)
222 :
223 :			- split lib/window/window.sml into window-sig.sml and window.sml.
224 :
225 :			- added background and border color fields to representation of windows.
226 :			This is necessary to avoid premature deallocation of those color
227 :			cells, once color finalization is implemented.
228 :
229 :			- changed "Drawing.autoflush" to "Drawing.feedback"
230 :
231 :			- Implemented a new, more abstract, color model. Each screen has a color
232 :			server that maps abstract color specifications (color_spec_t) to
233 :			an abstract representation of colors (color_t). The pixel type is no
234 :			longer visible to the user level.
235 :
236 :			- Added number of buffered messages count to mapped state of draw-master.
237 :
238 :			- Added Font.charPositions to return per character positions of a string.
239 :
240 :			- Fixed race condition by adding buffering to the top-level
241 :			window server.
242 :
243 :			- XDisplay structure now contains a field for the X server's
244 :			maximum request size.
245 :
246 :			- Image can now be more than 1 plane deep, using XY format.
247 :			Images and their ascii representations now require a list of
248 :			lists instead of a list.
249 :			bm2mlx-template.c modified to reflect the new format.
250 :
251 :			- Function createImageFromPixmap added.
252 :
253 :			- Bounding box function bbox added to Geometry.
254 :
255 :			- Bugs in intersection and union in Geometry fixed.
256 :
257 :			- Race condition between drawing on a pixmap and destroying the
258 :			pixmap eliminated.
259 :
260 :			- Bug in createTileFromPixmap fixed.
261 :
262 :			- MOUSE_Enter/MOUSE_Leave events now generated.
263 :
264 :			- FirstDown & LastUp messages added to mouse_msg_t.
265 :
266 :			- fixed bug in HashUtil.remove
267 :
268 :			- added checks to guarantee that values constructed using concrete
269 :			datatypes lie in allowed ranges for the X protocol. Added related
270 :			exceptions BadRGB, BadDrawParameter, BadPenParameter, BadWindowGeometry
271 :			and BadPixmapParameter.
272 :
273 :			- NoColorCell exception added to EXeneBase (and Color), for attempts to
274 :			allocate a new color cell when the color map is full.
275 :
276 :			- Immutable tiles are now used where pixmaps used to be allowed.
277 :
278 :			GRAPHICS UTILITIES
279 :			- Added routine for generating general ellipses.
280 :			[10/05/92]
281 :
282 :			- Fixed bug in spline code concerning when line is flat enough.
283 :			[10/03/92]
284 :
285 :			- Spline code has been moved into the graphics utility directory
286 :			(lib/graph_util).
287 :			[10/03/92]
288 :
289 :			- Added routines for drawing/filling rounded rectangles.
290 :			[09/03/92]
291 :
292 :			WIDGET CHANGES
293 :			- The BadArgument exceptions in Box, Pile and WidgetSet are
294 :			changed to BadIndex (box.sml, pile.sml, widget-set.sml).
295 :			[02/12/93]
296 :
297 :			- The AlreadyRealized exception from Widget is now exposed (widget.sml).
298 :			[02/12/93]
299 :
300 :			- The getChildEnv function in Router now raises a NotFound
301 :			exception if the environment is not in the table (router.sml).
302 :			[02/12/93]
303 :
304 :			- A shell widget now deletes its own window and becomes a zombie
305 :			when it receives a KillReq from its child (shell.sml).
306 :			[02/12/93]
307 :
308 :			- The bounds function for str_edit is more correctly and efficiently
309 :			handled. It is also no flexible in the x dimension (str-edit.sml).
310 :			[02/12/93]
311 :
312 :			- Unnecessary case "013" removed from echo server (vtty.sml)
313 :			[02/12/93]
314 :
315 :			- Field name "rad" changed to "radius" in mkToggleCircle (toggle.sml)
316 :			[02/12/93]
317 :
318 :			- Many widget exceptions replaced by LibBase.BadArg (slider.sml,
319 :			scrollbar.sml, divider.sml, button-view.sml, str-edit.sml,
320 :			widget.sml, frame.sml, viewport-sig.sml, viewport.sml
321 :			[02/12/93]
322 :
323 :			- Exceptions BadWidth and MultipleChoices exposed in text-list.sml
324 :			[02/11/93]
325 :
326 :			- Unused exception BadWidth removed from color-rect.sml
327 :			[02/11/93]
328 :
329 :			- setWMHints function added to Shell
330 :
331 :			- type generators added for types defined by type abbreviation:
332 :			wm_args_t, hints_t (shell.sml), bounds_t (widget.sml),
333 :			list_item_t (text-list.sml), set_item_t (widget-set.sml),
334 :			whereFn_t (simple-menu.sml)
335 :
336 :			- Added code to prevent possible deadlock dealing with child CO
337 :			events (widget.sml, shell.sml, box.sml, shape.sml, field-edit.sml)
338 :
339 :			(11 November 1992)
340 :
341 :			- Fixed bugs in vtty.sml, toggle-ctrl.sml
342 :
343 :			(10 November 1992)
344 :
345 :			- Added WidgetSet structure (widget-set.sml); new version of
346 :			TextList using WidgetSet
347 :
348 :			(5 November 1992)
349 :			- The widget library assumes util-lib library loaded
350 :
351 :			- Added mkTransientShell and removed setWMHints from Shell
352 :
353 :			- Added wstate_t type to Widget; replaces button_state_t
354 :
355 :			- Added sameRoot function to Widget
356 :
357 :			- Made widgets abstract, with equality function.
358 :
359 :			- Removed window attributes for widgets. The wrapCreate function
360 :			was changed accordingly. Also, removed setBackground function
361 :			from Widget; use new background widget instead
362 :
363 :			- Added several utility functions to Widget: okaySize, compatibleDim,
364 :			compatibleSize
365 :
366 :			- Added ignoreMouse, ignoreKey functions for widgets
367 :
368 :			- Toggles now take an initial state; in addition, a toggle now
369 :			fires its action routine if its state is changed under program control
370 :
371 :			- Sliders now take an initial state; in addition, there are now functions for
372 :			setting the state, plus querying the state and scale
373 :
374 :			- The function mkSBLayout has been moved to its own structure ScrollLayout
375 :
376 :			- TextList replaces the ListWidget structure. The user can now
377 :			specify an initial state for the items.
378 :
379 :			- mkColorRect has been added to implement simple colored rectangular regions.
380 :
381 :			- A background_t widget has been added to implement backgrounds for widgets
382 :
383 :			- Where possible, composite widgets no longer need a root
384 :			argument (structures Frame, ScrollPort, Shape)
385 :
386 :			- The Box structure now produces a box_layout_t, rather than a widget_t.
387 :			(There is the usual widgetOf function.) In addition, one can now
388 :			insert, delete, map, and unmap "boxes" in the top level of the box
389 :			hierarchy
390 :
391 :			- A Pile structure has been added. This implements a pile_t type, which
392 :			maintains a collection of widgets, only one of which is visible at
393 :			a time. Widgets can be inserted and deleted from piles.
394 :
395 :			(2 November 1992)
396 :
397 :			- modified str-edit.sml to allow character values in the range
398 :			[0xa0-0xff].
399 :
400 :			- Color type introduced to allow multiple representations; currently
401 :			supports RGB and pixel. [NOTE: this has been moved to the library
402 :			level]
403 :
404 :			- New widgets : Divider, MenuButton, ViewPort, ScrollPort
405 :
406 :			- Label views, text button views and list items
407 :			reimplemented to use common text glyph.
408 :
409 :			- Frames provide dynamic control of frame color.
410 :
411 :			- Labels provide a font option, and dynamic control of colors.
412 :
413 :			- Bugs fixed in scrollbar widges.
414 :
415 :			- Signature of Shape module changed, and two new functions mkRigid
416 :			and mkFlex added.
417 :
418 :			- Character insertion and deletion added to TextWidget
419 :
420 :			- The Widget module now provides filter functions for the input streams,
421 :			and a function to alter the background of a widget.
422 :
423 :			- Toggle and button protocol has changed. Command and toggle buttons
424 :			register a change on button up, not on button down. If button up
425 :			occurs off the widget, no change is registered. Event streams for
426 :			general buttons now terminate with either button up or exit, the latter
427 :			indicating the mouse has left the widget. Buttons and toggles also now
428 :			provide active/inactive state.
429 :
430 :
431 :			eXene-0.3 (released 12/03/91)
432 :			-----------------------------
433 :
434 :			GLOBAL CHANGES:
435 :			- eXene is now based on CML-0.9.4; this very required minor changes to
436 :			eXene (now using 0.9.6).
437 :
438 :			- ported to SML/NJ 0.71. Most changes were a result of the Array structure
439 :			not being open by default, and by Array.sub no longer being an infix operator.
440 :			Changed the representation of pen_t values to use immutable vectors.
441 :
442 :			LIBRARY CHANGES
443 :			- fixed typechecking problem in protocol/xdisplay.sml that was exposed
444 :			by SML/NJ 0.70.
445 :
446 :			- replaced draw_dst_t datatype with abstract drawable_t type. This is
447 :			part of the support for rubber-banding.
448 :
449 :			- fixed xio.sml bug caused by a faulty understanding of the sequencing
450 :			semantics of the protocol.
451 :
452 :			- fixed bugs in gc-server.sml and draw-master.sml reported by Huimin Lin
453 :			(huimin@@cogs.susx.ac.uk).
454 :
455 :			- fixed bug in HashUtil.mapList
456 :
457 :			- changed remove function for hash tables to return the removed item. This
458 :			affected the hash tables defined in util/{hash-util.sml,hash-xid.sml},
459 :			window/hash-window.sml and user/eXene-base.sml.
460 :
461 :			- added window-tree locking mechanism to the window registry.
462 :
463 :			- modified asynchronous blt operations to use a promise-style implementation.
464 :
465 :			- added updatePen operation for functional updates of pens.
466 :
467 :			- added createOverlay to support rubber-banding.
468 :
469 :			- new Spline module providing functions to compute Bezier cubic sections,
470 :			and open and closed B-splines.
471 :
472 :			- added copyBlt and copyBltEvt.
473 :
474 :			- fixed bug in decoding font info in xreply.sml (wrong offset)
475 :
476 :			WIDGET CHANGES
477 :			- fixed possible deadlock arising from parent not always servicing a child's
478 :			CO event. This affected box.sml and field-edit.sml.
479 :
480 :			- added new text list widget. The widget provides a vertical or horizontal
481 :			display of text items, and events associated with the user choosing items.
482 :
483 :			- the ButtonView structure now provides a new view mkTextBtn, which
484 :			generalizes mkLabelBtn (rectangular buttons with string labels) by
485 :			allowing the programmer to specify the border width and text alignment
486 :			within the button.
487 :
488 :			- fixed bug in Frame widget that was causing deadlock.
489 :
490 :			- the SimpleMenu module has seen various bug fixes and style
491 :			changes, as well as the addition of a low-level menu routine
492 :			for providing pop-up menus within widgets.
493 :
494 :			- there is now a working vtty widget (thanks to Thomas Yan for finishing
495 :			our code)
496 :
497 :			- the Canvas widget now provides a drawable, so that the library drawing
498 :			routines can be used.
499 :
500 :
501 :			eXene-0.2 (released 4/27/91)
502 :			-----------------------------
503 :
504 :			LIBRARY CHANGES
505 :			- added absolute screen coordinates to mouse event messages
506 :
507 :			- added tileBlt operation to Drawing
508 :
509 :			- fixed GraphicsExpose/NoExpose problem. Drawing.bitblt and Drawing.tileBlt
510 :			will raise the exception Exposures, if part of the source is unavailable.
511 :			Also, the PV_Exposures field for pens has been eliminated.
512 :
513 :			- destroyWindow is now handled by the draw-master, which avoids a race
514 :			with any pending drawing requests on the window. This was a problem
515 :			with popup windows.
516 :
517 :			- added Geometry.inside; test if a rectangle is inside another
518 :
519 :			- fixed bug in encodePolyRects, etc.
520 :
521 :			- changed DrawMaster to group adjacent drawing requests that use the same pen.
522 :
523 :			- fixed the shutdown deadlock that was causing the "eXene-shutdown timeout"
524 :			message.
525 :
526 :			WIDGET CHANGES
527 :			- fixed deadlock in widgets/router.sml
528 :
529 :			- added tileBlt operation to Canvas widget
530 :
531 :			- the menu widget is fixed
532 :
533 :			- there is now a text widget
534 :
535 :			- there is a text-field edit widget
536 :
537 :			- the bounds_t type has been redefined; see the manual for details.
538 :
539 :			- the box/glue layouts have been re-implemented. Also, the layout semantics
540 :			have changed; see the manual for details.
541 :
542 :			- the type of Widget.wrapCreate has changed; point_t and size_t arguments were
543 :			bundled into a rect_t argument.
544 :
545 :			- additional button views have been added.
546 :
547 :			- the shell widget now provides application access to window manager
548 :			hints. In addition, the shell automatically registers size hints
549 :			with the window manager.
550 :
551 :			EXAMPLES
552 :			- the examples have been updated to use some of the new library features
553 :
554 :			- a simple example of the menu widget has been added
555 :
556 :			- a calculator has been implemented using the widget set.
557 :
558 :
559 :			eXene-0.1 (released 3/19/91)
560 :			-----------------------------
561 :			This was the first release

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