If you read the [tcllib] page, you will find information about content
requirements, submission guidelines, etc. for your software.

However, recently [tclguy] summarised the process on news:comp.lang.tcl as:

   1. say you want to add a module in one of the forums where the admins hang out (the Wiki chat, http://www.tcl.tk/, comp.lang.tcl, the tcllib developers mailing list are all possible locations)

   1. get a [SourceForge] developer login.

   1. Send it to one of the tklib administrators, asking them to add you as a member to the tklib cvs list.

   1. Create a new module in tklib.

   1. Add it to the tklib Makefile module list.

   1. Add in your code.

   1. Hopefully add in documentation and test cases, and perhaps even some demo code.

   1. Commit the changes.  Be certain to add relevant comments to the CVS and hopefully the tklib ChangeLog.

See also [tcllib] for the policies and discussions relating to another module of this project, which has tcl-only procedures.

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List here the suggestions for inclusion in tklib

Remember to list only items that come in Tk scripting - compiled widgets like
[tkimg], [tkhtml], [tktable], [tktreectrl], [blt], [tix], [vum widgets], [tkdnd], etc. belong in the various [Batteries Included] distributions.

   * [scwoop]
   * [text::sync]
   * [efftcl] from the [BOOK Effective Tcl - Writing Better Programs in Tcl and Tk]
   * [A Little Hex Editor Widget]
   * [An entry with a history]
   * [Analog widgets] such as [a voltmeter-like widget: type 1], [a tachometer-like widget: type 1], [a needlemeter widget: type 1]
   * [Entry Field Processing]
   * [Gradients Color Transitions]
   * [Integer entry validation with range check]
   * [Mentry], [Wcb], [Tablelist]
   * [RS]'s [keyboard widget] for unicode virtual keyboard entry
   * [Read-only text widget]
   * [Right-to-left entry widget]
   * [Scrolling Widgets With a Scale]
   * [Time entry that never contains invalid data]
   * [Validating Credit Card Check Digits] and maybe some addition common edits, like zip codes, social security and phone numbers, etc.
   * [chart generation support]
   * [console for Unix]
   * [dial widget]
   * [pan] add panning to any widget with xview/yview (including blt::graph)
   * Perhaps [A wiki-like markup language for the text widget]
   * [emu_graph]
   * [gtklook.tcl] in the [style] module
   * presentation graphics - such as the various slide shows

Another systematic source for tklib-appropriate ideas are ports of the add-ons and widgets that [Perl/Tk] and [Tkinter] (and perhaps [PMW]) build in beyond the core ones provided in Tk itself.

I encourage people to list other useful Tk related widgets and add-ons that are not already a part of some other extension.

In particular, look around this wiki - I suspect there's a number of wonderful possibilities here.

For instance, check out [Commonly requested widgets] - if you can find well written versions of these, putting them into tklib would be a wonderful idea.
Do be careful to verify the licensing status of the code, and '''GET PERMISSION FROM THE AUTHOR''' before adding code to the library though.

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[AM] Things I can add:

   * Flash windows (transient windows with a picture) en maximised windows - there are several such scripts around
   * Bindings for zooming/panning in a canvas
   * Scaling functions (so that you can add items to a canvas in world coordinates)

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[Category tklib]