Xotcl

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1st Call For Papers - 23rd Annual Tcl/Tk Conference (Tcl'2016)
by akupries＠shaw.ca 06 Apr '16

06 Apr '16

Hello XOTcl Developers, fyi ... 23rd Annual Tcl/Tk Conference (Tcl'2016) http://www.tcl.tk/community/tcl2016/ November 14 - 18, 2016 Crowne Plaza Houston River Oaks 2712 Southwest Freeway, 77098 Houston, Texas, USA Important Dates: Abstracts and proposals due September 12, 2016 Notification to authors September 19, 2016 WIP and BOF reservations open August 22, 2016 Author materials due October 24, 2016 Tutorials Start November 14, 2016 Conference starts November 16, 2016 Email Contact: tclconference(a)googlegroups.com Submission of Summaries Tcl/Tk 2016 will be held in Houston, Texas, USA from November 14, 2016 to November 18, 2016. The program committee is asking for papers and presentation proposals from anyone using or developing with Tcl/Tk (and extensions). Past conferences have seen submissions covering a wide variety of topics including: * Scientific and engineering applications * Industrial controls * Distributed applications and Network Managment * Object oriented extensions to Tcl/Tk * New widgets for Tk * Simulation and application steering with Tcl/Tk * Tcl/Tk-centric operating environments * Tcl/Tk on small and embedded devices * Medical applications and visualization * Use of different programming paradigms in Tcl/Tk and proposals for new directions. * New areas of exploration for the Tcl/Tk language Submissions should consist of an abstract of about 100 words and a summary of not more than two pages, and should be sent as plain text to tclconference(a)googlegroups.com no later than September 12, 2016. Authors of accepted abstracts will have until October 24, 2016 to submit their final paper for the inclusion in the conference proceedings. The proceedings will be made available on digital media, so extra materials such as presentation slides, code examples, code for extensions etc. are encouraged. Printed proceedings will be produced as an on-demand book at lulu.com The authors will have 30 minutes to present their paper at the conference. The program committee will review and evaluate papers according to the following criteria: * Quantity and quality of novel content * Relevance and interest to the Tcl/Tk community * Suitability of content for presentation at the conference Proposals may report on commercial or non-commercial systems, but those with only blatant marketing content will not be accepted. Application and experience papers need to strike a balance between background on the application domain and the relevance of Tcl/Tk to the application. Application and experience papers should clearly explain how the application or experience illustrates a novel use of Tcl/Tk, and what lessons the Tcl/Tk community can derive from the application or experience to apply to their own development efforts. Papers accompanied by non-disclosure agreements will be returned to the author(s) unread. All submissions are held in the highest confidentiality prior to publication in the Proceedings, both as a matter of policy and in accord with the U. S. Copyright Act of 1976. The primary author for each accepted paper will receive registration to the Technical Sessions portion of the conference at a reduced rate. Other Forms of Participation The program committee also welcomes proposals for panel discussions of up to 90 minutes. Proposals should include a list of confirmed panelists, a title and format, and a panel description with position statements from each panelist. Panels should have no more than four speakers, including the panel moderator, and should allow time for substantial interaction with attendees. Panels are not presentations of related research papers. Slots for Works-in-Progress (WIP) presentations and Birds-of-a-Feather sessions (BOFs) are available on a first-come, first-served basis starting in August 22, 2016. Specific instructions for reserving WIP and BOF time slots will be provided in the registration information available in August 22, 2016. Some WIP and BOF time slots will be held open for on-site reservation. All attendees with an interesting work in progress should consider reserving a WIP slot. Registration Information More information on the conference is available the conference Web site (http://www.tcl.tk/community/tcl2016/) and will be published on various Tcl/Tk-related information channels. To keep in touch with news regarding the conference and Tcl events in general, subscribe to the tcl-announce list. See: http://code.activestate.com/lists/tcl-announce to subscribe to the tcl-announce mailing list. Conference Committee * Andreas Kupries Hewlett Packard Enterprise * Arjen Markus Deltares * Brian Griffin Mentor Graphics * Clif Flynt Noumena Corp * Gerald Lester KnG Consulting LLC * Joe Mistachkin Mistachkin Systems * Ronald Fox CAEN Technologies NSCL @ Michigan State University Contact Information tclconference(a)googlegroups.com Tcl'2016 would like to thank those who are sponsoring the conference: * Mentor Graphics * Tcl Community Association

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Differences between XOTcl 1 and XOTcl 2 setter and getter methods for slots?
by Michael Aram 19 Oct '15

19 Oct '15

Dear XOTcl/NX/NSF community, I am in the process of upgrading one of our OpenACS based systems to XOTcl 2 and stumbled over the following legacy code: Class create Person -slots { foreach e {username first_names last_name email etcetera} { Attribute $e -default "" -proc assign {o var value} {$o changed_var $var $value} } } Person ad_instproc -private changed_var {var value} {} { my instvar __changed_vars lappend __changed_vars $var my instvar $var set $var $value } The intention of this not-so-pretty code mainly seems to be that the Person->save method called by code like the following can recognize which attributes have actually changed during the last request, and update the database accordingly... Person john john last_name doe john save For some reason, now that I have upgraded the system to XOTcl 2, this does not work anymore. The list __changed_vars is not updated (in the example above, it would not contain last_name; for debugging purposes, I have put a log statement into the "assign" proc, it seems that it does not get called.) As the update process introduced many many other changes as well (compared to the old and adapted OpenACS we had there), including changes in xotcl-core, it could certainly be the case that this is simply a the side-effect of some other change / or messed-up merge. So, my question is, SHOULD this work anyway in the latest stable version of XOTcl 2, or did the interface change? Thanks for your help, Michael :-)

2 2

3rd Call For Papers - 22nd Annual Tcl/Tk Conference (Tcl'2015)
by andreask＠activestate.com 28 Jul '15

28 Jul '15

Hello XOTcl Developers, fyi ... 22nd Annual Tcl/Tk Conference (Tcl'2015) http://www.tcl.tk/community/tcl2015/ October 19 - 23, 2015 Comfort Suites Manassas 7350 Williamson Blvd, 20109 Manassas, Virginia, USA [[ Attention! One month to the paper deadline ]] [[ Attention! Registration is open! Please have a look at http://www.tcl.tk/community/tcl2015/register.html ]] [[ Known Speakers -- Keynotes * Kevin Walzer - Tk on the Mac: Past, Present, Future -- Tutorials * Clif Flynt - Advanced Tcl: TclOO Intro New Tcl/Tk Platforms --- Pi and Android * Gerald Lester - Introduction to Tcl 1 Introduction to Tcl 2 Introduction to Tk 1 Programming the Web with Tcl: A Survey of Tools, Tips and Tricks * Sean Woods - Advanced TclOO & Megawidgets in TclOO ]] Important Dates: Abstracts and proposals due August 24, 2015 Notification to authors August 31, 2015 WIP and BOF reservations open July 27, 2015 Hotel Room Release August 25, 2015 Author materials due September 28, 2015 Tutorials Start October 19, 2015 Conference starts October 21, 2015 Email Contact: tclconference(a)googlegroups.com Submission of Summaries Tcl/Tk 2015 will be held in Manassas, Virginia, USA from October 19, 2015 to October 23, 2015. The program committee is asking for papers and presentation proposals from anyone using or developing with Tcl/Tk (and extensions). Past conferences have seen submissions covering a wide variety of topics including: * Scientific and engineering applications * Industrial controls * Distributed applications and Network Managment * Object oriented extensions to Tcl/Tk * New widgets for Tk * Simulation and application steering with Tcl/Tk * Tcl/Tk-centric operating environments * Tcl/Tk on small and embedded devices * Medical applications and visualization * Use of different programming paradigms in Tcl/Tk and proposals for new directions. * New areas of exploration for the Tcl/Tk language Note: We are especially interested in papers for OS X this time, to complement the keynote. Submissions should consist of an abstract of about 100 words and a summary of not more than two pages, and should be sent as plain text to tclconference(a)googlegroups.com no later than August 24, 2015. Authors of accepted abstracts will have until September 28, 2015 to submit their final paper for the inclusion in the conference proceedings. The proceedings will be made available on digital media, so extra materials such as presentation slides, code examples, code for extensions etc. are encouraged. Printed proceedings will be produced as an on-demand book at lulu.com The authors will have 30 minutes to present their paper at the conference. The program committee will review and evaluate papers according to the following criteria: * Quantity and quality of novel content * Relevance and interest to the Tcl/Tk community * Suitability of content for presentation at the conference Proposals may report on commercial or non-commercial systems, but those with only blatant marketing content will not be accepted. Application and experience papers need to strike a balance between background on the application domain and the relevance of Tcl/Tk to the application. Application and experience papers should clearly explain how the application or experience illustrates a novel use of Tcl/Tk, and what lessons the Tcl/Tk community can derive from the application or experience to apply to their own development efforts. Papers accompanied by non-disclosure agreements will be returned to the author(s) unread. All submissions are held in the highest confidentiality prior to publication in the Proceedings, both as a matter of policy and in accord with the U. S. Copyright Act of 1976. The primary author for each accepted paper will receive registration to the Technical Sessions portion of the conference at a reduced rate. Other Forms of Participation The program committee also welcomes proposals for panel discussions of up to 90 minutes. Proposals should include a list of confirmed panelists, a title and format, and a panel description with position statements from each panelist. Panels should have no more than four speakers, including the panel moderator, and should allow time for substantial interaction with attendees. Panels are not presentations of related research papers. Slots for Works-in-Progress (WIP) presentations and Birds-of-a-Feather sessions (BOFs) are available on a first-come, first-served basis starting in July 27, 2015. Specific instructions for reserving WIP and BOF time slots will be provided in the registration information available in July 27, 2015. Some WIP and BOF time slots will be held open for on-site reservation. All attendees with an interesting work in progress should consider reserving a WIP slot. Registration Information More information on the conference is available the conference Web site (http://www.tcl.tk/community/tcl2015/) and will be published on various Tcl/Tk-related information channels. To keep in touch with news regarding the conference and Tcl events in general, subscribe to the tcl-announce list. See: http://code.activestate.com/lists/tcl-announce to subscribe to the tcl-announce mailing list. Conference Committee * Andreas Kupries ActiveState Inc * Arjen Markus Deltares * Brian Griffin Mentor Graphics * Clif Flynt Noumena Corp * Cynthia Lilagan National Museum of Health & Medicine, Chicago * Donal Fellows University of Manchester * Gerald Lester KnG Consulting LLC * Jeff Hobbs ActiveState Inc * Joe Mistachkin Mistachkin Systems * Kevin Kenny GE Global Research Center * Larry Virden * Mike Doyle National Museum of Health & Medicine, Chicago * Ronald Fox CAEN Technologies NSCL @ Michigan State University * Steve Landers Digital Smarties * Steve Redler, IV SR Technology Contact Information tclconference(a)googlegroups.com Tcl'2015 would like to thank those who are sponsoring the conference: * ActiveState Inc * Buonacorsi Foundation * Mentor Graphics * Noumena Corp * SR Technology * Tcl Community Association

1 0

xotcl::nonposArgs
by Michael Aram 18 Jul '15

18 Jul '15

Dear XOTcl/NSF community, in order to contrain the input of certain methods to allow only objects of a certain type/class, e.g.: Utility proc get_object_id_from_sourced_guid { -sourced_guid:sourced_guid } { ... } we have the following code in our code base: if {[info command ::xotcl::nonposArgs] ne ""} { ::xotcl::nonposArgs proc sourced_guid args { if {[llength $args] < 2} return foreach {name value} $args break if {![::xotcl::Object isobject $value]} {error "'$value' is not an object"} if {![$value istype ::foo::bar::SourcedGuid]} {error "'$value' is not of type SourcedGuid but [$value info class]"} } ::Serializer exportMethods { ::xotcl::nonposArgs proc sourced_guid } } This works with XOTcl 1.6, but we now see the following warnings when running the code under NSF: Warning: nsf: Could not find value checker type=sourced_guid defined on ::nx::methodParameterSlot What is the correct way to port this to XOTcl 2.0? Thank you for your help! Michael

3 4

2nd Call For Papers - 22nd Annual Tcl/Tk Conference (Tcl'2015)
by andreask＠activestate.com 09 Jun '15

09 Jun '15

Hello XOTcl Developers, fyi ... 22nd Annual Tcl/Tk Conference (Tcl'2015) http://www.tcl.tk/community/tcl2015/ October 19 - 23, 2015 Comfort Suites Manassas 7350 Williamson Blvd, 20109 Manassas, Virginia, USA Important Dates: [[ Attention! Registration is open! Please have a look at http://www.tcl.tk/community/tcl2015/register.html ]] Abstracts and proposals due August 24, 2015 Notification to authors August 31, 2015 WIP and BOF reservations open July 27, 2015 Author materials due September 28, 2015 Tutorials Start October 19, 2015 Conference starts October 21, 2015 Email Contact: tclconference(a)googlegroups.com Submission of Summaries Tcl/Tk 2015 will be held in Manassas, Virginia, USA from October 19, 2015 to October 23, 2015. The program committee is asking for papers and presentation proposals from anyone using or developing with Tcl/Tk (and extensions). Past conferences have seen submissions covering a wide variety of topics including: * Scientific and engineering applications * Industrial controls * Distributed applications and Network Managment * Object oriented extensions to Tcl/Tk * New widgets for Tk * Simulation and application steering with Tcl/Tk * Tcl/Tk-centric operating environments * Tcl/Tk on small and embedded devices * Medical applications and visualization * Use of different programming paradigms in Tcl/Tk and proposals for new directions. * New areas of exploration for the Tcl/Tk language Submissions should consist of an abstract of about 100 words and a summary of not more than two pages, and should be sent as plain text to tclconference(a)googlegroups.com no later than August 24, 2015. Authors of accepted abstracts will have until September 28, 2015 to submit their final paper for the inclusion in the conference proceedings. The proceedings will be made available on digital media, so extra materials such as presentation slides, code examples, code for extensions etc. are encouraged. Printed proceedings will be produced as an on-demand book at lulu.com The authors will have 30 minutes to present their paper at the conference. The program committee will review and evaluate papers according to the following criteria: * Quantity and quality of novel content * Relevance and interest to the Tcl/Tk community * Suitability of content for presentation at the conference Proposals may report on commercial or non-commercial systems, but those with only blatant marketing content will not be accepted. Application and experience papers need to strike a balance between background on the application domain and the relevance of Tcl/Tk to the application. Application and experience papers should clearly explain how the application or experience illustrates a novel use of Tcl/Tk, and what lessons the Tcl/Tk community can derive from the application or experience to apply to their own development efforts. Papers accompanied by non-disclosure agreements will be returned to the author(s) unread. All submissions are held in the highest confidentiality prior to publication in the Proceedings, both as a matter of policy and in accord with the U. S. Copyright Act of 1976. The primary author for each accepted paper will receive registration to the Technical Sessions portion of the conference at a reduced rate. Other Forms of Participation The program committee also welcomes proposals for panel discussions of up to 90 minutes. Proposals should include a list of confirmed panelists, a title and format, and a panel description with position statements from each panelist. Panels should have no more than four speakers, including the panel moderator, and should allow time for substantial interaction with attendees. Panels are not presentations of related research papers. Slots for Works-in-Progress (WIP) presentations and Birds-of-a-Feather sessions (BOFs) are available on a first-come, first-served basis starting in July 27, 2015. Specific instructions for reserving WIP and BOF time slots will be provided in the registration information available in July 27, 2015. Some WIP and BOF time slots will be held open for on-site reservation. All attendees with an interesting work in progress should consider reserving a WIP slot. Registration Information More information on the conference is available the conference Web site (http://www.tcl.tk/community/tcl2015/) and will be published on various Tcl/Tk-related information channels. To keep in touch with news regarding the conference and Tcl events in general, subscribe to the tcl-announce list. See: http://code.activestate.com/lists/tcl-announce to subscribe to the tcl-announce mailing list. Conference Committee * Andreas Kupries ActiveState Inc * Arjen Markus Deltares * Brian Griffin Mentor Graphics * Clif Flynt Noumena Corp * Cynthia Lilagan National Museum of Health & Medicine, Chicago * Donal Fellows University of Manchester * Gerald Lester KnG Consulting LLC * Jeff Hobbs ActiveState Inc * Joe Mistachkin Mistachkin Systems * Kevin Kenny GE Global Research Center * Larry Virden * Mike Doyle National Museum of Health & Medicine, Chicago * Ronald Fox CAEN Technologies NSCL @ Michigan State University * Steve Landers Digital Smarties * Steve Redler, IV SR Technology Contact Information tclconference(a)googlegroups.com Tcl'2015 would like to thank those who are sponsoring the conference: * ActiveState Inc * Buonacorsi Foundation * Mentor Graphics * Noumena Corp * SR Technology * Tcl Community Association

1 0

unknown
by Victor Mayevski 11 May '15

11 May '15

Hello Gustaf, Is it possible to implement a custom handler for undefined/unknown properties, similar to unknown method that handles undefined/unknown methods? Thanks

1 0

new methods, request for comment
by Victor Mayevski 24 Apr '15

24 Apr '15

Recently I encountered a need for two methods in my code: "info siblings" "info root" -- similar to "info parent" but travels down the object tree to find the first object or root (of a tree OR a branch). I realize that it is very trivial to script them in myself but I am dealing with thousands (if not millions in the future) of objects and would like to squeeze as much performance from the code as possible. Hence, I propose to add those methods in C code (to NSF), provided that coding them in C will indeed speed things up. Also, having those methods seems to be natural, just like having "info parent" or "info children". Another proposal, (tongue-in-cheek, since it probably benefits only my code), is to add a timestamp (microseconds) to every object upon creation. I have a need to list the object (thousands, if not millions) in the order of creation. Again, it is trivial to script it in, but performance is an issue. Thanks

2 3

trace command
by Victor Mayevski 24 Apr '15

24 Apr '15

Hello Gustaf, Is it possible to use the TCL trace on NX objects/methods? Thanks

1 1

1st Call For Papers - 22nd Annual Tcl/Tk Conference (Tcl'2015)
by andreask＠activestate.com 06 Apr '15

06 Apr '15

Hello XOTcl Developers, fyi ... 22nd Annual Tcl/Tk Conference (Tcl'2015) http://www.tcl.tk/community/tcl2015/ October 19 - 23, 2015 Comfort Suites Manassas 7350 Williamson Blvd, 20109 Manassas, Virginia, USA Important Dates: Abstracts and proposals due August 24, 2015 Notification to authors August 31, 2015 WIP and BOF reservations open July 27, 2015 Author materials due September 28, 2015 Tutorials Start October 19, 2015 Conference starts October 21, 2015 Email Contact: tclconference(a)googlegroups.com Submission of Summaries Tcl/Tk 2015 will be held in Manassas, Virginia, USA from October 19, 2015 to October 23, 2015. The program committee is asking for papers and presentation proposals from anyone using or developing with Tcl/Tk (and extensions). Past conferences have seen submissions covering a wide variety of topics including: * Scientific and engineering applications * Industrial controls * Distributed applications and Network Managment * Object oriented extensions to Tcl/Tk * New widgets for Tk * Simulation and application steering with Tcl/Tk * Tcl/Tk-centric operating environments * Tcl/Tk on small and embedded devices * Medical applications and visualization * Use of different programming paradigms in Tcl/Tk and proposals for new directions. * New areas of exploration for the Tcl/Tk language Submissions should consist of an abstract of about 100 words and a summary of not more than two pages, and should be sent as plain text to tclconference(a)googlegroups.com no later than August 24, 2015. Authors of accepted abstracts will have until September 28, 2015 to submit their final paper for the inclusion in the conference proceedings. The proceedings will be made available on digital media, so extra materials such as presentation slides, code examples, code for extensions etc. are encouraged. Printed proceedings will be produced as an on-demand book at lulu.com The authors will have 30 minutes to present their paper at the conference. The program committee will review and evaluate papers according to the following criteria: * Quantity and quality of novel content * Relevance and interest to the Tcl/Tk community * Suitability of content for presentation at the conference Proposals may report on commercial or non-commercial systems, but those with only blatant marketing content will not be accepted. Application and experience papers need to strike a balance between background on the application domain and the relevance of Tcl/Tk to the application. Application and experience papers should clearly explain how the application or experience illustrates a novel use of Tcl/Tk, and what lessons the Tcl/Tk community can derive from the application or experience to apply to their own development efforts. Papers accompanied by non-disclosure agreements will be returned to the author(s) unread. All submissions are held in the highest confidentiality prior to publication in the Proceedings, both as a matter of policy and in accord with the U. S. Copyright Act of 1976. The primary author for each accepted paper will receive registration to the Technical Sessions portion of the conference at a reduced rate. Other Forms of Participation The program committee also welcomes proposals for panel discussions of up to 90 minutes. Proposals should include a list of confirmed panelists, a title and format, and a panel description with position statements from each panelist. Panels should have no more than four speakers, including the panel moderator, and should allow time for substantial interaction with attendees. Panels are not presentations of related research papers. Slots for Works-in-Progress (WIP) presentations and Birds-of-a-Feather sessions (BOFs) are available on a first-come, first-served basis starting in July 27, 2015. Specific instructions for reserving WIP and BOF time slots will be provided in the registration information available in July 27, 2015. Some WIP and BOF time slots will be held open for on-site reservation. All attendees with an interesting work in progress should consider reserving a WIP slot. Registration Information More information on the conference is available the conference Web site (http://www.tcl.tk/community/tcl2015/) and will be published on various Tcl/Tk-related information channels. To keep in touch with news regarding the conference and Tcl events in general, subscribe to the tcl-announce list. See: http://code.activestate.com/lists/tcl-announce to subscribe to the tcl-announce mailing list. Conference Committee * Andreas Kupries ActiveState Inc * Arjen Markus Deltares * Brian Griffin Mentor Graphics * Clif Flynt Noumena Corp * Cynthia Lilagan National Museum of Health & Medicine, Chicago * Donal Fellows University of Manchester * Gerald Lester KnG Consulting LLC * Jeff Hobbs ActiveState Inc * Joe Mistachkin Mistachkin Systems * Kevin Kenny GE Global Research Center * Larry Virden * Mike Doyle National Museum of Health & Medicine, Chicago * Ronald Fox CAEN Technologies NSCL @ Michigan State University * Steve Landers Digital Smarties * Steve Redler, IV SR Technology Contact Information tclconference(a)googlegroups.com Tcl'2015 would like to thank those who are sponsoring the conference: * ActiveState Inc * Buonacorsi Foundation * Mentor Graphics * Noumena Corp * SR Technology * Tcl Community Association

1 0

Anyone use NSF/NX in VIM?
by Clinciu Andrei 18 Mar '15

18 Mar '15

Hi I was wondering if anyone uses NSF/NX in VIM so that it detects methods (like Vim detects proc tags) so you can jump to a definition and see the colouring when editing? Does anyone have a modified version that works with the tag generation & detection? I have been searching for a while and tried modifying the existing (old) Tcl vim file but it doesn't seem to do the job, while the namespaces and procs work wonderfully it's very inconvenient when working with NX because of the time lost in searching for the function to see the headers, etc.. Thanks in advance. With regards, Clinciu Andrei George "Vorba buna, zambetul si fapta binefacatoare sunt raze ale soarelui rasfrante in sufletul omului." "A good word, a smile and a good deed are just like rays of the sun reflected in man's soul." by Nicolae Iorga

1 0

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