Squeak-dev March 2002

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610 discussions

[FIX][VMMaker][OSProcess] OSProcessFix-sr
by Stephan Rudlof 05 Mar '02

05 Mar '02

"Change Set: OSProcessFix-sr Date: 5 March 2002 Author: Stephan Rudlof Preconditions: VMMaker-3-2-version5.5, OSProcessV2-7 To work with VMMaker-3-2-version5.5, OSProcessV2-7 needs this fix. Otherwise the postscript doesn't work. Don't know if this cs is compatible with earlier versions of the precondition changesets." -- Stephan Rudlof (sr(a)evolgo.de) "Genius doesn't work on an assembly line basis. You can't simply say, 'Today I will be brilliant.'" -- Kirk, "The Ultimate Computer", stardate 4731.3

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[ENH] sbw-IRC-Enhancements
by swessels＠one.net 05 Mar '02

05 Mar '02

from preamble: "Change Set: sbw-IRC-Enhancements Date: 28 February 2002 Author: Stephan B. Wessels GENERAL NOTES: The existing IRC cllient has been left alone and a subclassed client was created. For background IRC protocol information please see http://www.irchelp.org/irchelp/rfc/. See (IRCConnectionEnhanced releaseNotes) for a workspace window containing all release notes. Key new features include: A new user interface having one console window per connection and then having all console messages, channel messages and private messages contained inside the main console window using tabbed swapped panes. Support was added for /WHOIS and /ACTION from the channel chat windows. Other windows do not have complete support for these commands yet. The channel messages text, private messages text, and console messages text panes are read-only. This allows you to put the cursor over either the input pane at the bottom or the actual text pane and begin typing. The input text you type is sent only to the input pane at the bottom. Copy and Find operations are still possible with the read-only text pane content. You can jump to a channel from the channels listing pane by one ot two techniques. First you can select a channel from the produced list. Second, you can use the Prompted Channel button and be asked for the name of a channel you want to join. The channel name does not need to appear in the list. Further a check is made against the channel name you enter and a # is prefixed if you left it off. The console Connect button indicates the state of the connection. It highlights in a color to indicate that you are connected. The label of the button also changes to Disconnect once you are connected. If your connection drops by itself, for some reason, the button color shows another color to indicate it was dropped and the button text is changed to Connect. The Channels list pane is a multi-column pane. The Refresh button also changes color to indicate that a refresh is active. A channel refresh action can take a while so the tag of the Refresh button also attempts to update with an indication of the number of channels fetched so far as an indicator of progress. The channel chat input pane performs Nick Completion. Anywhere on the input text line you are typing you can begin to type a few characters from the beginning of a channel Nick and hit the tab key. This will complete the nick tag for you. If there is more than one Nick that begin with the same characters, the tab key will rotate through them for you. You can also do Nick Completion multiple times on the same line of text. A leading tab on a channel chat input line is invalid and ignored. Also empty input lines are ignored. Highlilght your transmitted messages in the channel chat pane with a color. Also, messages that have your nick in them on the channel chat pane will be highlighted in another color. /ACTION is supported from the channel chat input. You can type in a command like /action looks around room and that message will be sent as an ACTION message to the channel. All ACTION messages are highlighed in the channel chat text pane in italics. The channell chat pane is formatted into 2 columns. The left most column is the nick and the next column to the right shows the typed text. New server configuraton dialogs. Includes the ability to tailor options while connected. Modification of connection parameters for the current session is prohibited while connected. Connection Profiles are supported. You can specify a unique set of connection parameters for any session and save them in a list. The options you select when you create a new profile are those of the current profile. Added a built-in table of many IRC servers you can choose from with a dialog window. You mayhave multiple console sessions open at the same time, each having a unique IRC server connection. The title of the console window reflects the basic parameters of that connected session. Added support for roll back/forward of previously typed text. Use the up and down arrow keys to scroll through text lines. /WHOIS command sends response from the server to your channel chat window now. Only sends private message to the Provate pane that are NOT already being sent to another private messages pane. That is, if you have a private messages pane open the responses there are no longer duplicated in the Private Messages window. Tabbed channel text and private chat panes have their tabs highlighted if messages appear there while you have another pane in front. You can use this feature to watch for activity on a channel or private chat. Channel member JOINS and PARTS are now logged to the channel chat text. There are options to disable this. An option is provided that supported INVITE requests. When you get an INVITE request to join another channel this option will allow automatic opening of that channel then adding you to the members there. An option is provided that automatically opens up a private chat window if you receive an unsolicitied private message. This can include server messages and NICKSERV messages. Added support for multiple line input to a channel and private chat pane. This allows you to know PASTE into a channel. Channel members are now listed in a logical order. Channel operators are at the top, followed by +voiced channel members and then normal members. Also, the nicks for operators are shown in red on the channel members list and the voiced members are show in another color. Added support for the /CLEAR command to console, private chat and channel chat windows. /CLEAR will clear the contents of the text pane. This command is not sent to the IRC server of course. Added /INSPECT to console, private and channel chat input pane commands. This will cause a Squeak Inspector to open up on the model for that text pane. Support provided for NICK change messages receieved from the IRC server. /NICK command is now supported from the channel chat input pane. Revisions History: (-n is change set revision number up until -41, when code was published). Entries made after that are by release date. Most recent at top. 5 mar 2002 Fixed a bug where profile names could be mismatched from the keys used to store them. Factored the release notes into 3 editable strings. One for features enumeration, one for revisions history and a to-do list. Added some utility functions that make it easier to produce a new change set preamble that agrees with the release notes. Fixed a bug in the multicolumn header morph where it would try to draw headers before the list contents where known. Channels pane redesign of layout. 4 mar 2002 Added provision to edit an existing profile. Also added provision for user to change the server selected from the profile dialog. -41 (published 4 mar 2002) Fixed a bug pointed out by Bijan Parsia. Thanks. -40 Problem with post load initializer. -39 Trim blanks around any added profile name. Generate better initial profile names from server names. Cosmetics. -38 Extended multi column list morph with a new morph PluggableMultiColumnListMorphByItemWithHeader used in the profiles selection dialog. This morph provides multi-column ability with a built-in header row. Disable active editing of configuration while connected. Profiles are working. Note that the current options are copied into any new profile you create.-37 Factoring of message sending code. Still needs more cleanup in that code. Made options available on a per connection basis. Each connection can have their own unique options. When you open up a new console window from the World menu the options are set to the defaults. When you open up a new console from the New Console button the options from the existing console window are copied forward to the new one. Added support for Profiles. A Profile contains a nick, server, and options which can be used for initializing a connection. Profiles management for the user are not coded yet. -36 Factoring. -35 Handles nick change messages received from IRC server. Also properly handles /whois and /nick changes initiated from channel window. -34 Fetch of channels list shows update count while fetching. Detect when IRC server fails to send channel list because of server loading. -33 fixed problem parsing PART messages from some servers Generalized the reserved keywords (CLEAR, INSPECT) to be included in any IRC input pane (console, channel or private messages). -32 Support /CLEAR in channel chat window. Added support for /INSPECT too. -31 Fixed some bugs with mode changes in channels Fixed problem with connection dialog/setup window after being collapsed. Better factoring of TabbedSwappingControl morph. Lots of factoring in IRCConnectionEnhanced. -30 Fixed bug in servers populate code. -29 Show channel member names in logical order with color highlighting for operators and voiced members. Detected mode changes that impact member status. Fixed bug where PART messages were being sometimes sent to the wrong channel pane. -28 Fixed problem with post load initializer where populated servers database was empty. -27 Bug fix in paste/copy code for channel text. -26 Handle multiple line inputs, such as can come from a paste operation. -25 Cosmetics in text messages from server. Added close option to channel text menu. Command keys work from the channel and console text panes now. -24 Change set maintenance. -23 Fixed problem where new private messages were not causing the tab to update. Open up a chat window pane for private messages we receive except for from server. Member channel joins, parts and quits are now shown in the channel window panes. Support INVITE requests. Added Options pane to Setup dialog. Factored out most of the swap/tabbed pane into a new pane design used in the Config dialog. -22 minor code factoring. -21 /ACTION messages supported in channel chat. -20 Added support for /WHOIS command to channel chat windows and users menu. -19 Added rollback of messages to console window pane. Fixed bug in private chat window where ""me"" was still being used as nick for outgoing messages. Fixed places where we were using asLowercase instead of asIRCLowercase. Stop sending private messages to private messages redundantly pane if there is already a private chat window open to get them. Factored sound messages for possible future enhancement. -18 Since we can now have multiple consoles open on different IRC servers, the title of the window now reflects the connection. Rollback of previously typed text. Fixed the bug where there was a delay before channel members were displayed. -17 Redesign of the ""population/status"" pane. First hooks put into place to add support for find/copy etc from keyboard in the channel text pane. Keys are not mapped yet. -16 New server configuration dialog allows choices from many possible IRC servers. Added a built intable of several known IRC servers. -15 Dropped the ""me"" designations for the real nick. Factored all the colors into IRCClientColors class. It's not as nice as a having color preferences management, but you can edit them all in one place. An extension would be to allow storing and loading of customized colors without code changes. Highlight transmitted messages in a color, and highgllight recived messages that contain our nick in a color. Highlight ACTION message responses with italic. Channel chat pane breaks nicks into column before messages. Fix problems with automatic nick completion. It used to take more than 1 TAB key hit to get started, and you could not embed TABs in the text line if they were not part of nick search. Also, you could not begin a line with a tab. In the case where someone types a tab in the first column and there are no characters to match against a nick, treat it like someone is typing indented text. -14 Nick completion. We trap the TAB key and rotate through nicks. -13 bug fixes and more cosmetic tweaks -12 bug in menu for channel chat pane fixed. added menu to private chat panes. cosmetics to the population counter pane. -11 Removed connect button from setup dialog. Ensured that setup window could not be closed if edits were not accepted. Indicate if the connection was dropped by color change in connect button. Reconnect channels and private chats that were open if the user connectd after a dropped connection. -10 added some edit menu functions to the readonly chat pane. added menu to user list in chat pane. selected channels button will bring existing channels window into focus if already defined. on manual disconnect, close the closeable tabs to avoid later conflicts. made the users status pane (population: x) read only. cleanup the borders and pane background colors for the user list in the chat pane. cleanup the borders and pane background colors for the channel buttons. private message windows have the same focus properties as the channel browsers. Input goes to the input pane. made console pane readonly and again used the input pane to catch focused keystrokes. replaced console menu with one more appropriate since functions from old menu are now buttons. show channel list refresh is busy by way of button colors. removed special button from channels pane. -9 Better connect/disconnect detect and indication. Release the channel listeners when we close a tabbed pane. Handle rotate left/right of tab panes. -8 Opening up a private chat pane now becomes the active tabbed pane. Highlight the tabbed panes that see messages while you have another pane in front. Check for missing # in front of prompted channel names. -7 detect socket drop and change connect button state to indicate what happened. Fixed missing when someone parted from a channel. -6 bugs fixed -5 new provision for closing tabbed panes. Only specific panes can be closed. Also added buttons to move pane tabs left and right but nothing implemented to support those features yet, -4 more clean up of little bugs -3 clean up of change set contents. -2 fixed problem with send of private messages. Input pane was not constructed properly -1 general release NEED TO DO: (or would be nice to do) These are in no special priority order. - cleanup code to add class methods defining new constants for commands I have added. - mIRC colored text - logging - DCC send/recv - PING response for server timeout? Verify this mechanism is working right. I occasionally get disconnects and think this may be why. - add 401 no such nick/channel to channel feedback - /away needs to be supported - /action does not work from private discuss pane. This problem is best resolved by first refactoring all the communications paths. It is a pretty confusing maze right now and with the addition of local and special messages support the problem gets worse. - disconnect does not close private message panes "!

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[Q][Morphic][presentation] Bullet list morph
by Hannes Hirzel 05 Mar '02

05 Mar '02

Hi all I made a script in a workspace based on 'How to lay out submorphs' http://minnow.cc.gatech.edu/squeak/2141 which produces a bullet list morph. A list which can be edited for beeing used in a slide in a presentation. My questions: 1) How can I better position the bullet points? (some inset to the right and a bit lower) 2) Which properties do I have to set that the TextMorphs inside the list resize properly when I resize the outmost RectangleMorph with the yellow handle (at the moment resizing is not possible at all) This is one of the morphs I'd like to put into a parts bin flap as described in another thread. Hannes Hirzel "-----------------------------------------------------------------" "The code - put it into a Workspace - select all and do-it " "-----------------------------------------------------------------" r := RectangleMorph new. r color: Color blue twiceLighter. r position: 10@10. r extent: 150@200. r name: 'background2'. r openInWorld. "OK, now set up our background so that we can put something inside" r layoutPolicy: TableLayout new. "lay out contents as a table" r listDirection: #topToBottom. "how we want to place the contents" r listCentering: #topLeft. "start list at the top" r wrapCentering: #topLeft. r addMorphBack: ((TTSampleStringMorph new initializeToStandAlone; string: 'Change to title'; color: Color white) openInWorld). item1 _ Morph new. item1 layoutPolicy: TableLayout new. item1 cellPositioning: #topLeft. item1 cellInset: 4. item1 color: Color blue twiceLighter twiceLighter. item1 listDirection: #leftToRight. item1 addMorph: (EllipseMorph new extent: 10 @ 10; color: Color blue; borderWidth: 0 ). item1 hResizing: #shrinkWrap. item1 vResizing: #shrinkWrap. t1 := TextMorph new. t1 beAllFont: ((TextStyle default fontOfSize: 36) emphasized: 1). t1 contentsWrapped: 'First list item - aTextMorph'. t1 autoFit: true. t1 width: 400. item1 addMorphBack: t1. r addMorphBack: item1. "Now lets add a second item..." item2 _ Morph new. item2 layoutPolicy: TableLayout new. item2 cellPositioning: #topLeft. item2 cellInset: 4. item2 color: Color blue twiceLighter twiceLighter. item2 listDirection: #leftToRight. item2 addMorph: (EllipseMorph new extent: 10 @ 10; color: Color green twiceDarker; borderWidth: 0). item2 hResizing: #shrinkWrap. item2 vResizing: #shrinkWrap. t2 := TextMorph new. t2 extent: 400 @ 100. t2 beAllFont: ((TextStyle default fontOfSize: 36) emphasized: 1). "t2 borderWidth: 1." t2 color: Color blue twiceDarker. t2 contentsWrapped: 'Second list item - text is editable; click and add text. The box will grow'. item2 addMorphBack: t2. r addMorphBack: item2. "and a button bar ..." bbar _ Morph new. bbar layoutPolicy: TableLayout new. bbar cellPositioning: #topLeft. bbar cellInset: 4. bbar color: Color blue twiceLighter. bbar listDirection: #leftToRight. bbar hResizing: #shrinkWrap. bbar vResizing: #shrinkWrap. b := SimpleButtonMorph new. b color: Color yellow; label: 'remove button bar'; target: bbar; actionSelector: #delete; setBalloonText: 'click to remove the button bar'. bbar addMorph: b. r addMorph: bbar. block _ [ :r2 | item _ Morph new. item layoutPolicy: TableLayout new. item cellPositioning: #topLeft. item cellInset: 4. item color: Color blue twiceLighter twiceLighter. item listDirection: #leftToRight. item addMorph: (EllipseMorph new extent: 10 @ 10; color: Color blue; borderWidth: 0 ). item hResizing: #shrinkWrap. item vResizing: #shrinkWrap. t := TextMorph new. t beAllFont: ((TextStyle default fontOfSize: 36) emphasized: 1). t contentsWrapped: 'A list item - aTextMorph'. t autoFit: true. t width: 400. item addMorphBack: t. r2 addMorphBack: item. ]. b := SimpleButtonMorph new. b color: Color yellow; label: 'add other item'; setBalloonText: 'click to add another bullet list item'. bbar addMorph: b. b target: block. b actionSelector: #value:. b arguments: (Array with: b owner owner). r addMorph: bbar. b := SimpleButtonMorph new. b color: Color yellow; label: 'X'; setBalloonText: 'click to delete bullet list completely'. bbar addMorph: b. b target: r. b actionSelector: #delete. r addMorph: bbar. r cellInset: 3@5. "controls distance between content elements" r hResizing: #shrinkWrap. "try it and see!" r layoutInset: 4@8. "that was a bit too cramped" r vResizing: #shrinkWrap. "Now we are done"

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Re: Problem(s) with Squeak3.2gamma-4743
by Lex Spoon 05 Mar '02

05 Mar '02

> The primary problem is with resizing the world. First of all, screen > redraw seems to be very slow and "uncertain", this is even noticeable on > a ~1.5GHZ system. The newest SourceForge sources may have fixed this. Could you try recompiling with the newest source code? Or, wait until the next Debian packages come out, and try again? The issue I have in mind was that HandleEvents() wouldn't always handle all events. This is a clever way to deal with primitives that poll the current state instead of poll for events, but it's not useful in recent images and it does have the problems like the one you mention. Nowadays HandleEvents() will handle all events that have arrived. > More importantly, resizing very often leads to a > crash: > > Segmentation fault Yuck! You mean you grab the border of the window and then drag it around a lot, and eventually you get a core dump? I can't duplicate this here, which makes it hard to debug. Possibly the above fix will help this, too, though, so please test that too if you get around to it! Speeking vaguely, it looks like different parts of Squeak seem to disagree on the size of the window. If the above fix doesn't also make this problem go away, then this problem could be really tricky to track down.... -Lex

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Re: Problem(s) with Squeak3.2gamma-4743
by goran.hultgren＠bluefish.se 05 Mar '02

05 Mar '02

"Lex Spoon" <lex(a)cc.gatech.edu> wrote: [SNIP] > > More importantly, resizing very often leads to a > > crash: > > > > Segmentation fault > > Yuck! You mean you grab the border of the window and then drag it > around a lot, and eventually you get a core dump? Same here. But if I do it FAST then I can get away with it! :-) And then I just don't resize it anymore... I will build my first VM later on and then we will see. About looking for updates in the wrong place - I have also wondered about that but looking closer it seems to be the same for 3.3alpha - it is just a silly name for the directory. Version 2.0 was a long time ago... :-) regards, Göran

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Digital editing of music in Squeak?
by Richard A. O'Keefe 05 Mar '02

05 Mar '02

Squeak is a great multimedia system, right? So when the local Organists Association told me "we can record onto DAT, copy DATs, and print CDs from DAT, but don't have any facilities for digital editing" my first thought was "surely there is some way to do this in Squeak, it's just one of the several thousand major facilities in Squeak I don't know about yet." Is it? Searching for 'music' in the sources didn't produce any likely candidates. Searching for 'audio' turned up code for playing audio files, but not for editing them. This was in 3.0. For the record, I am _not_ talking about piracy, I am talking about producing CDs from these people's own performances. They've had a couple professionally produced, but organists aren't paid much.

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Re: Does Squeak need a "core sampler"?
by Avi Bryant 05 Mar '02

05 Mar '02

On Mon, 4 Mar 2002, Ned Konz wrote: > In the Self documentation that I've read there are descriptions of a tool > called a "core sampler" that displays the stack of Morphs at a particular > point and allows some manipulations of their properties. > > In Squeak we can generally select submorphs by repeated mouse clicks, and we > have the control-menu which shows the stack of Morphs at the Hand's position. > > Do we need the "core sampler"? Having played with it in Self some, I'd say yes - if nothing else, it makes a very cool demo and a nice way to quickly explore a UI. And the repeated-mouse-clicks technique has always felt a bit clunky to me. But "need" is probably too strong... Avi

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Does Squeak need a "core sampler"?
by Ned Konz 05 Mar '02

05 Mar '02

In the Self documentation that I've read there are descriptions of a tool called a "core sampler" that displays the stack of Morphs at a particular point and allows some manipulations of their properties. In Squeak we can generally select submorphs by repeated mouse clicks, and we have the control-menu which shows the stack of Morphs at the Hand's position. Do we need the "core sampler"? -- Ned Konz currently: Stanwood, WA email: ned(a)bike-nomad.com homepage: http://bike-nomad.com

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Re: Generalized Object Modules Design
by Richard A. O'Keefe 05 Mar '02

05 Mar '02

How about (a) Making the change-set browser-specific, and (b) Having the browser display the change-set in its title-bar.

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[VM][ENH] Latest VMMaker package available
by Tim Rowledge 05 Mar '02

05 Mar '02

A new version of VMMaker is now online at http://sumeru.stanford.edu/tim/pooters/SqFiles/deltas/VMMaker-3-2-version5.… It has just one actual fix relating to a serious case of dumb finger in the last version and refactors several areas the used to be for copying files around. Since we are moving to avoid such copying, it seemed sensibleto clean that are up a bit. Hopefully the new methods (#processFiles....) will make reasonable hooks for hanging makefile generation from, such as that being experimented with by Ross Boyland. Note that Ross's extensions will not work with this new version, yet. This works in a 3.2 update #4743 image. You will also want John McIntosh's 64bit file (etc) fixes from ConsolidateTo4744-JMM.cs which is provided on the same website for your convenience. I've updated several of the swiki pages relating to vm making to reflect these and other recent changes, hopefully making a little more sense of a fairly diverse set of pages. tim -- Tim Rowledge, tim(a)sumeru.stanford.edu, http://sumeru.stanford.edu/tim It's 10 o'clock. Do you know where your child processes are?

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