ANNOUNCE: Multi-column listbox package Tablelist 1.5
Csaba Nemethi
package Tablelist.
What is new in Tablelist 1.5?
-----------------------------
This version contains mainly bug fixes and small improvements. Many
thanks to Andres Garcia, Bastien Chevreux, and Patrick Fradin for their
valuable contributions.
1. Fixed a bug concerning the "-label*" configuration options.
2. Fixed the erronous invocation of "getSubCmd" in the selection
handler "fetchSelection" (this bug was introduced in version 1.1).
3. Elements that don't fit into their cells are now displayed with a
trailing or leading ellipsis ("..."), depending on the column
alignment.
4. Several further improvements and minor bug fixes.
What is Tablelist?
------------------
Tablelist is a library package for Tcl/Tk version 8.0 or higher,
written in pure Tcl/Tk code. It contains:
- the implementation of the "tablelist" mega-widget, including a
general utility module for mega-widgets;
- a demo script containing a useful procedure that displays the
configuration options of an arbitrary widget in a tablelist;
- a second demo script, containing a simple widget browser based on a
tablelist;
- a tutorial in HTML format;
- reference pages in HTML format.
A tablelist widget is a multi-column listbox. The width of each column
can be dynamic (i.e., just large enough to hold all its elements,
including the header) or static (specified in characters or pixels).
The columns are, per default, resizable. The alignment of each column
can be specified as "left", "center", or "right".
The columns, rows, and cells can be configured individually. Several
of the global and column-specific options refer to the headers,
implemented as label widgets. For instance, the "-labelcommand" option
specifies a Tcl command to be invoked when mouse button 1 is released
over a label. The most common value of this option is
"tablelist::sortByColumn", which sorts the items based on the
respective column.
The Tcl command corresponding to a tablelist widget is very similar to
the one associated with a normal listbox. There are column-, row-, and
cell-specific counterparts of the "configure" and "cget" subcommands
("columnconfigure", "columncget", ...). The "index" and "nearest"
command options refer to the rows, but similar subcommands are provided
for the columns and cells ("columnindex", "nearestcolumn", ...). The
items can be sorted with the "sort" and "sortbycolumn" command options.
The bindings defined for the body of a tablelist widget make it behave
just like a normal listbox. This includes the support for the virtual
event <<ListboxSelect>>, when using Tk version 8.1 or higher. In
addition, version 2.3 or higher of the widget callback package Wcb
(written in pure Tcl/Tk code as well) can be used to define callbacks
for the "activate", "selection set", and "selection clear" commands.
The download location of Wcb is
How to get it?
--------------
Tablelist is available for free download from the same URL as Wcb. The
distribution file is "tablelist1.5.tar.gz" for UNIX and
"tablelist1_5.zip" for Windows. These files contain the same
information, except for the additional carriage return character
preceding the linefeed at the end of each line in the text files for
Windows.
How to install it?
------------------
Install the package as a subdirectory of one of the directories given
by the "auto_path" variable. For example, you can install it as a
directory at the same level as the Tcl and Tk script libraries. The
locations of these library directories are given by the "tcl_library"
and "tk_library" variables, respectively.
To install Tablelist on UNIX, "cd" to the desired directory and unpack
the distribution file "tablelist1.5.tar.gz":
gunzip -c tablelist1.5.tar.gz | tar -xf -
This command will create a directory named "tablelist1.5", with the
subdirectories "demos", "doc", and "scripts".
On Windows, use WinZip or some other program capable of unpacking the
distribution file "tablelist1_5.zip" into the directory "tablelist1.5",
with the subdirectories "demos", "doc", and "scripts".
How to use it?
--------------
To be able to use the commands and variables implemented in the package
Tablelist, your scripts must contain one of the lines
package require Tablelist
package require tablelist
Since the package Tablelist is implemented in its own namespace called
"tablelist", you must either import the procedures you need, or use
qualified names like "tablelist::tablelist".
For a detailed description of the commands and variables provided by
Tablelist and of the examples contained in the "demos" directory, see
the tutorial "tablelist.html" and the reference pages, all located in
the "doc" directory.
--
Csaba Nemethi http://www.nemethi.de mailto:csaba....@t-online.de
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