Squeak-dev April 2000

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141 participants
506 discussions

Response To MVC Posts [was: Re: Automatic screen resize...]
by R. A. Harmon 30 Apr '00

30 Apr '00

At 09:19 PM 4/27/00 -0700, Dan Ingalls wrote: >>At 09:58 AM 4/26/00 -0700, Conrad Taylor wrote: >>>How are you doing? I have noticed that when resizing >>>the window still requires one to 'restore display' in >>>Morphic. Is someone working to fix this for both MVC >>>and Morphic? > >"R. A. Harmon" <harmonra(a)webname.com> responded: >>I would suspect not as MVC is slated to be removed from Squeak Central >>release. I'm not sure when. > >Now, Richard, you really are working for the Eeyore award, aren't you? ;-). [snip] Sorry, this allusion went right by me. I'm not trying to be a pest or carry on any crusade--well, except for the ANSI compatibility one. I guess maybe I'm a little rabid on that topic, huh? I was only trying to pass on what I thought was the most helpful information I had--MVC is going away. It seems to me that many posts asking about MVC go unanswered. I hate to think that some fellow Smalltalker is forlornly checking for the response that never comes. So if no one else replies to the post, I try to as best I can. I fell short on that post. I guess I should have added that if possible he should move his work to Morphic--the preferred Squeak Central GUI framework. I'm narrowly focused on finishing up the Squeak ANSI stuff, so mostly pay attention to posts that seem related to that. I guess I should have also added that due to my narrow focus I am almost totally ignorant of developments in the GUI area. I'll try to do better in the future. -- Richard A. Harmon "The only good zombie is a dead zombie" harmonra(a)webname.com E. G. McCarthy Spencer, Iowa

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Squeak Mail back in action
by Dan Ingalls 30 Apr '00

30 Apr '00

Folks - As you were probably aware the maile server ran out of disk space just after Friday midnight. Anything important that you sent to the list since then did not make it, and will have to be resent. Thanks to Dragos for fixing things up. - Dan -------------------------- >To: Dan Ingalls <Dan.Ingalls(a)disney.com> >From: dragos.manolescu(a)acm.org (Dragos A. Manolescu) >Cc: Ralph Johnson <johnson(a)cs.uiuc.edu> >Subject: Re: Warning: could not send message for past 4 hours >Date: 29 Apr 2000 22:46:19 -0500 > >Hi, > >I've freed some space on disk and things should be back to normal. The >large traffic on the mailing lists yields really big mail log files. I >reconfigured the system to keep the logs for 2 weeks instead of >4. Hopefully it won't run out of space anytime soon. > >-Dragos > >>>> Dan Ingalls writes: >di> Hi, Guys - >di> Much as we appreciate the rare and beautiful quiet, I feel duty-bound to inform you that it appears that the Squeak mail server is hung. It has bounced about 4 of my messages, and nothing is coming through from others. Here's the transcript from a recent rejection. > >di> Thank in advance for anything you can do. > >di> - Dan > > >

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[BUG][FIX] ParagraphEditor>>getPluggableYellowButtonMenu:
by Robert Hirschfeld 30 Apr '00

30 Apr '00

Hi, In the current version of ParagraphEditor>>getPluggableYellowButtonMenu: (Squeak2.8alpha, latest update: #2042) the custom yellow button menu of PluggableTextView is unreachable. -Robert "Change Set: ParagraphEditor>>getPluggableYellowButtonMenu: Date: 28 April 2000 Author: Robert Hirschfeld Fixes ParagraphEditor>>getPluggableYellowButtonMenu: to make the yellow button menu, if provided by the view, available."! ___________________________________________ Robert Hirschfeld mailto:hirschfeld@acm.org 'From Squeak2.8alpha of 6 April 2000 [latest update: #2042] on 28 April 2000 at 1:32:14 am'! "Change Set: ParagraphEditor>>getPluggableYellowButtonMenu: Date: 28 April 2000 Author: Robert Hirschfeld Fixes ParagraphEditor>>getPluggableYellowButtonMenu: to make the yellow button menu, if provided by the view, available."! !ParagraphEditor methodsFor: 'private' stamp: 'rhi 4/27/2000 09:03'! getPluggableYellowButtonMenu: shiftKeyState | customMenu | ^(customMenu := view getMenu: shiftKeyState) notNil ifTrue: [customMenu] ifFalse: [ shiftKeyState ifTrue: [self class shiftedYellowButtonMenu] ifFalse: [self class yellowButtonMenu]]! !

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[Enh] MusicEditor (Try 2)
by Mark Guzdial 29 Apr '00

29 Apr '00

I think something broke when I tried to send Eddie Cottongim's Music Editor as an attached zip, so here's the URL and my original message: http://guzdial.cc.gatech.edu/squeakers/MusicEditorApril27.zip I'm posting this for Eddie Cottongim, another GaTech Squeaker senior who's busily packing up for graduation. Attached is a Zip file of his music editor. There's a ReadMe that explains some of it. Eddie's tool lets you place notes on staffs, right-click them to change duration, create multiple staffs, and then generate MIDI ScorePlayers to play the result. He's implemented his own font system to gain more control over the individual notes. Mark -------------------------- Mark Guzdial : Georgia Tech : College of Computing : Atlanta, GA 30332-0280 (404) 894-5618 : Fax (404) 894-0673 : guzdial(a)cc.gatech.edu http://www.cc.gatech.edu/gvu/people/Faculty/Mark.Guzdial.html

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[updates] 35 more for 2.8alpha
by Dan Ingalls 29 Apr '00

29 Apr '00

Folks - I have just released a bunch of updates. Most of these were painstakingly culled from the Squeak list by Stefan, for which we thank all of you, and him, greatly. I decided to jump the gun and release the symbol printing changes after living with them all day. Hey, what are test pilots for anyway? Thanks to Roel Wuyts for taking the lead here. Note my comment on 2040 regarding the new usage of Symbol>>isLiteral. There is a fair chance this will break something. All I can say is it's the RIght Thing to do, and we will happily fix anything that breaks. - Dan ------------------------- 2006PWSfixes-mjg 2007FourTweaks-di -- Dan Ingalls -- 24 April 2000 Changes the compilation of ifNotNil: for better code and more consistency with decompilation. Changes interval>>valuesInclude: to avoid slow fraction computations. Changes Symbol>>storeOn: to take advantage of the #'any chars' construct. Changes the comment in SystemDictionary>>recompileAllFrom: because it used to omit classes. 2008ModProjClassHack -- Dan Ingalls -- 5 April 2000 Prefatory to putting new classes into local environments, classes added in isolated projects must not be revoked upon exit. This hack accomplishes this, at the cost of added classes not being local to the project. 2009HighlightingSelFix-sr -- Stephan Rudlof -- 23 April 2000 Fix for PluggableListMorph/SimpleHierarchicalListMorph: Highlighting/unhighlighting works correctly now, if colors of StringMorphs are changed programmatically to highlight/unhighlight colors of PluggableListMorph and SimpleHierarchicalListMorph. 2010CPPPluginEnh-rmf -- Robert M Fure -- 20 April 2000 WARNING: I didn't test this enhancement --sma Here's a very small file-in that gives C++-generation capability to the CCodeGenerator and friends. I wrote it while developing a plug-in that interfaces to a C++ DLL. How does it differ from the ordinary mode? Mostly just two things: 1) Places generated code in a file with a .cpp suffix. 2) Puts extern ''C'' in the right places so that the plug-in's exported Routines have the names that the Squeak plug-in mechanism expects them to. To create a C++ plug-in, just do the usual thing, adding the trivial class method isCPP ^ true to your plug-in class (the one that actually gets translated into C/C++)." 2011PNG-dsm -- Duane Maxwell, Bob Arning -- 19 April 2000 This changeset implements a reader for Portable Network Graphics (PNG) files. This is an alpha release. While it seems to read all of the PNG test images, more testing is needed. It does little to no error checking, and does not utilize the gamma information. It also doesn't yet write PNG files - this is left as an exercise for the reader. See http://www.cdrom.com/pub/png/ for more information about PNG Submitted by Duane Maxwell/Entrypoint" 2012FormEditor-sma -- Stefan Matthias Aust -- 22 April 2000 The FormEditor's blank cursor doesn't work and is irritating. A crosshair is better." 2013ContextTrace-sma -- Stefan Matthias Aust -- 22 April 2000 As discussed in the mailing list, #trace: walkbacked if traced object didn't have correct print strings. This patch wrapps printing in an exception handler and unifies tracing on Transcript and on files, also providing a new method trace: aBlock on: aStream for general usage." 2014KwSpeedup-av -- Andres Valloud -- 22 April 2000 Speedup of String>>keywords and removal of isEmtpy." 2015SimpleMouseBtnFix-jlb -- Jim Benson -- 13 April 2000 Here's a fix for a small bug in the SimpleButtonMorph. The line: 'oldColor _ nil' was inserted to reset the cmd-drag flag." 2016HttpSocketFix-gr -- Gerardo Richarte -- 14 April 2000 Ok, I'm not sure if this a bug or not, but, I know that I needed to fix/change this in order to get out of an infinite loop when updating my image from a remote server (I'm actually using a swiki as updates server, but I don't think this makes a big difference), and it happened every time I tried to update. What I changed is size for position in: bytesRead _ self primSocket: socketHandle receiveDataInto: buf startingAt: 1 count: (length - response size). for: bytesRead _ self primSocket: socketHandle receiveDataInto: buf startingAt: 1 count: (length - response position). as response is initialized with a String new: length, response size is always = length, so length - response size is 0, and then nothing is read. What I don't understand is why this works sometimes... can somebody help me on this? Ok, I checked #size implementation in 'response class', and it says 'readLimit max: position', so I think #size is not what's needed... Why was it working? was it working when all the response came before entering this method (in beginning?) no way, becouse it still worked when some 'data was late' were printer on the Transcript. Conclusion: I don't know if this fix is right or wrong, but I'm sure I needed it." 2017RobustCQ-ls -- Lex Spoon -- 8 April 2000 WARNING: Untested, just copied --sma Two changes to the BSD-style listenLoop in ConnectionQueue to deal with unusual circumnstances. First, make the listener socket be an instance variable instead of a temporary variable. This way, when the CQ is destroy-ed, the listening socket can also be conveniently destroyed. Second, if the listener socket becomes invalid, restart the listenLoop from scratch. This is important if a ConnectionQueue is saved, because the socket will become invalid when the image starts up again." 2018Speedups-av -- Andres Valloud -- 11 April 2000 Fast implementations of methods related to copying a SequenceableCollection, padding it with anObject, etc." 2019Array2DEnh-sma -- Stefan Matthias Aust -- 22 April 2000 Refactored and improved Array2D, including changes from Michael Rüger. It's still not really useful and I'd propose to move it out of the Collection hierarchy." 2020CloseBoxFlashFix-jmm -- John M McIntosh johnmci(a)smalltalkconsulting.com -- 31 March 2000 The close box and the grow box get redrawing continuously when the red button is down, this results in lots of redraw activity. Change the logic to remember state and only redraw when needed" 2021SemaphoreCmp-sma -- Stefan Matthias Aust -- 22 April 2000 Discussing a problem with comparing Semaphores, Wim Boot and Tim Rowledge agreed upon > I think Semaphore comparison (including #hash) should be identity based, > not content based. So I implemented (but not really tested) it that way." 2022LowSpace-go -- Georg Gollmann -- 30 March 2000 The current LowSpaceWatcher just alerts the user. This is not useful for servers or for situations when objects are cached and should be discarded when space becomes tight. I have now generalized the mechanism used in my MailArchiver (http://macos.tuwien.ac.at/Squeak/mailArchiver.html). As an example setup is now: Smalltalk memoryHogs add: ArchivedMail When space is low #freeSomeSpace gets sent: ArchivedMail>freeSomeSpace ''Remove all cached text from my instances.'' self allInstancesDo: [:m | m purgeText] If freeSomeSpace fails to free enough memory - maybe because no memoryHogs have been registered - the old behavior (alert the user) is invoked." 2023SchedulingBugFix-fm -- Florin Mateoc -- 9 April 2000 WARNING: I didn't test this as much as probably needed --sma If you try (after saving your image) ""[1 halt] fork"", first of all the notifier view will be hidden behind the active window. Then if you select 'resume' Squeak hangs. The first problem is that the scheduling code does not expect a controller (in this case the notifier) to be started from a non-UI thread, actually you get interesting results even if you say ""[1 inspect] fork"". The second problem is that the debugger code does not expect to have been started from a non-UI thread (with interruptedController being nil)." 2024DecompileFix-th -- Torge Husfeldt <jean.jaques.gelee(a)gmx.de> -- 17 March 2000 Fixes a bug in decompiling while constructs. Now creates a ReturnNode as seems appropriate. Example: [true] whileTrue: [^#symbol] Used to decompile as: [true] whileTrue: [#symbol]. ^ self" 2025HeapFix-mir -- Michael Rüger -- 22 March 2000 fixes a bug when enumerating Heaps." 2026HirBrowserFix-mir -- Michael Rüger -- 22 March 2000 This change set fixes a problem when removing a class which is currently in the class list of a hierarchy browser" 2027ColorPickerFix-raa -- Bob Arning -- 26 March 2000 - handle ColorPickerMorph instances which existed prior to addition of <theSelectorDisplayMorph>" 2028MinimumSize-jlb -- Jim Benson -- 27 March 2000 This changeset allows you to modify the minimum extent to which a window may be resized. To set this extent, send the message #minimumExtent: to the window" 2029ScaleMorph-rcs -- Russell Swane -- 16 March 2000 Modified ScaleMorph. Added some options on appearance, so most times a ScaleMorph would be used, should be able to use as is without subclassing. Also split #drawOn: into multiple submethods for a subclass I've been using. New interface is a strict superset of old interface so nothing should break." 2030HandMorphCleanUp-sma -- Stefan Matthias Aust -- 24 March 2000 Get rid of 'isKindOf: HandMorph'" 2031EnvEditorFix-mjt -- Mike Thomas -- 24 March 2000 While investigating Squeak's music interface at one this morning Australian EST I noticed that the horizontal scale gets crowded when you increase the maxTime by dragging the envelope end point to the right. This changeset provides dynamic calculation of the major and minor tick points to resolve the problem." 2032FileDir-bf -- Bert Freudenberg -- 22 March 2000 Enforces the absoluteness of FileDirectories for Windows. Also corrects FileDirclass>>splitName:to:, for the DOS 'C:' case (which makes the specialized fullNameFor: method obsolete) and for the Unix '/foo' case. sma added support for Windows UNC names, i.e. \\magus\dev\dir\file.txt" 2033MissingTextColor-dns -- David N Smith -- 24 March 2000 TextColor supports each of the three RGB colors at full intensity(red, green, blue), all three paired combinations (rg,gb,br: cyan, magenta, yellow) at full intensity, and it supports black, but no white. White is basic: it is all three of the colors at full intensity. It's the only basic color missing. sma added method categories and a missing #hash method." 2034GradientWorld-raa -- Bob Arning -- 24 March 2000 Permit the world to be drawn with a gradient. Note that the world has a #color: method that sets the fillColor2 to be the same as color, thus eliminating the gradient. So, if you want to change the color and keep the gradient, calls to #color: should be followed by a call to #gradientFillColor:. World color: Color green. World gradientFillColor: Color lightGreen 2035Celeste-dvf -- Daniel Vainsench -- 8 April 2000 I like Celeste, but it's slow at reading 10,000 message categories (not slower than any other mailer I know of, but still not fast enough). This changeset makes it read only the latest 100, adding a menu option to read the rest. Should at some point give an indication if not showing all messages. If anyone finds this useful, or has whatever comments, I'd be happy to hear. I made the constant 100 a method and changed the default to 200 --sma" 2036WarpBltFix-kfr -- Karl Ramberg -- 22 April 2000 Hey, my first bug fix. Two displaying objects were overlapping creating a unwanted effect." 2037FreeCellWorldBug-smg -- Sean McGrath -- 27 March 2000 Open a morphic World, new morph, games, freecell, statistics: UndefinedObject(Object)>>doesNotUnderstand: AlignmentMorph(Morph)>>openInWindowLabeled:inWorld: AlignmentMorph>>openInWindowLabeled:inWorld: AlignmentMorph(Morph)>>openInWindowLabeled: FreeCellStatistics>>display FreeCell>>statistics [] in SimpleButtonMorph>>doButtonAction BlockContext>>ensure: CursorWithMask(Cursor)>>showWhile: SimpleButtonMorph>>doButtonAction In Morph, openInWindowLabeled: aString ^self openInWindowLabeled: aString inWorld: World World in nil. Changing 'World' to 'self currentWorld' fixes the symptom. I have no idea what the problem is, since I understand very little Morphic. This is probably a general problem. There're are some 106 users of the global 'World' I'm too tired to check them all. Most of them should be tranlated into a test whether we're running a full screen world or an MVC world. The others might be candidates for #currentWorld. --sma" 2038FileCntBrwEnh-sma -- Stefan Matthias Aust -- 22 April 2000 Now my beloved brown browser also has a handy >>file into new changeset<< feature." 2039PlgTextMorphFix-sr -- Stephan Rudlof -- 29 March 2000 Dan changed the line [self setText: textToAccept shallowCopy. to [self setText: self getText. ; probably to save time. It this was his goal, reverting to the previous version given here should be correct. If he had another intention there is needed more thinking..." 2040SymbolPrinting-rwdi -- Roel Wuyts, Dan Ingalls -- 25 April 2000 This changeSet incorporates Roel Wuyts's suggested change to print symbols with a #-sign in their printString. It also uses the #'any chars' construct to ensure that any symbol can be printed as a literal. NOTE: This implies a change in the definition of Symbol>>isLiteral to always return true (it used only to return true for symbols that can be printed without string quotes as #someSymbol). If you really want to test whether a symbol can be printed without string quotes, then use the expression (Scanner isLiteralSymbol: theSymbol).

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[ENH] Celeste status line + category overflow indication
by Daniel Vainsencher 29 Apr '00

29 Apr '00

Previous enhancement prevented Celeste from showing all messages in large categories, but did this silently. This version shows "showing [200/4115] messages in category." in a status line. BTW, I'm working on getting Celeste to handle MIME attachments it receives. Anyone here will use find this useful? if so, any comment? Any comments about the MIME functionality already in squeak? Lex? I noticed MIME in many places other than Mail, which was a surprise. Daniel

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Re: [updates] 35 more for 2.8alpha
by R. A. Harmon 29 Apr '00

29 Apr '00

At 09:58 AM 4/26/00 -0700, Conrad Taylor wrote: >How are you doing? I have noticed that when resizing >the window still requires one to 'restore display' in >Morphic. Is someone working to fix this for both MVC >and Morphic? [snip] I would suspect not as MVC is slated to be removed from Squeak Central release. I'm not sure when. -- Richard A. Harmon "The only good zombie is a dead zombie" harmonra(a)webname.com E. G. McCarthy Spencer, Iowa

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Re: Packaging into the sole Squeak window
by John M McIntosh 29 Apr '00

29 Apr '00

> All: > > I've got an application packager (which is application dependent) which generates an image which has no development tools, source or changes files. > > It all lives in a rectangular morph. > > I'd like to change the size of the Mac's window, the one into which Squeak writes. The only available options that I can find let me use the full screen, or use whatever has manually been set. > > Ideally, I would like to tell the Mac's window to be MxN, where MxM is the size of the rectangular morph. The single Mac window would then be the cloned applications window. > > It sounded simple at first, but I can see no way to do it from Smalltalk. > > Anyone have any ideas? > > Dave > _______________________________ > David N. Smith > IBM T J Watson Research Center > Hawthorne, NY > _______________________________ > Any opinions or recommendations > herein are those of the author > and not of his employer. > MMM well working backwards I see that you need to call the Mac's sizeWindow which is called from ioSetDisplayMode in sqMacWindow.c which is called by primitiveSetDisplayMode in interp.c which is primitive 92 In Interpreter primitiveSetDisplayMode talkes about looking at DisplayScreen setDisplayDepth:extent:fullscreen: which is where the trail grows cold. -- =========================================================================== John M. McIntosh <johnmci(a)smalltalkconsulting.com> 1-800-477-2659 Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com =========================================================================== Custom Macintosh programming & various Smalltalk dialects PGP Key: DSS/Diff/46FC3BE6 Fingerprint=B22F 7D67 92B7 5D52 72D7 E94A EE69 2D21 46FC 3BE6 ===========================================================================

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World sensitivity (was Re: [updates] 35 more for 2.8alpha)
by merlyn＠stonehenge.com 29 Apr '00

29 Apr '00

>>>>> "Dan" == Dan Ingalls <Dan.Ingalls(a)disney.com> writes: Dan> This is probably a general problem. There're are some 106 users Dan> of the global 'World' I'm too tired to check them all. Most of Dan> them should be tranlated into a test whether we're running a full Dan> screen world or an MVC world. The others might be candidates for Dan> #currentWorld. --sma" Why isn't there a "do the right open" call? Why should everything that opens a top-level widget have to know *how* to open it? Or maybe I'm missing something? -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn(a)stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!

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[BUG] visual appearance of "Play With Me 5"
by mdr＠scn.org 29 Apr '00

29 Apr '00

Under 2.8alpha, the appearance of "Play With Me 5" signifcantly changes if you switch between 8 or 16 bit deep displays. The connecting tube of words looks like a nobby rope in 16 bit mode, while in 8 bit mode it continues to be smooth (as in previous versions). Mike

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