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/*
* Conceptually based on Tk3 table widget by Roland King (rols@lehman.com)
*
* see ChangeLog file for details
*
* current maintainer: jeff at hobbs org
*
* Copyright 1997-2002, Jeffrey Hobbs (jeff@hobbs.org)
*/
*************************************
The Tk Table Widget Version 2.0+
*************************************
INTRODUCTION
TkTable is a table/matrix widget extension to tk/tcl.
The basic features of the widget are:
* multi-line cells
* support for embedded windows (one per cell)
* row & column spanning
* variable width columns / height rows (interactively resizable)
* row and column titles
* multiple data sources ((Tcl array || Tcl command) &| internal caching)
* supports standard Tk reliefs, fonts, colors, etc.
* x/y scrollbar support
* 'tag' styles per row, column or cell to change visual appearance
* in-cell editing - returns value back to data source
* support for disabled (read-only) tables or cells (via tags)
* multiple selection modes, with "active" cell
* multiple drawing modes to get optimal performance for larger tables
* optional 'flashes' when things update
* cell validation support
* Works everywhere Tk does (including Windows and Mac!)
* Unicode support (Tk8.1+)
FINDING THE WIDGET
0. The newest version is most likely found at:
http://tktable.sourceforge.net/
http://www.purl.org/net/hobbs/tcl/capp/
BUILDING AND INSTALLING THE WIDGET
1. Uncompress and unpack the distribution
ON UNIX and OS X:
gzip -cd Tktable<version>.tar.gz | tar xf -
ON WINDOWS:
use something like WinZip to unpack the archive.
ON MACINTOSH:
use StuffIt Expander to unstuff the archive.
This will create a subdirectory tkTable<version> with all the files in it.
2. Configure
ON UNIX and OS X:
cd Tktable<version>
./configure
tkTable uses information left in tkConfig.sh when you built tk. This
file will be found in $exec_prefix/lib/. You might set the --prefix and
--exec-prefix options of configure if you don't want the default
(/usr/local). If building on multiple unix platforms, the following is
recommended to isolate build conflicts:
mkdir <builddir>/<platform>
cd !$
/path/to/Tktable<version>/configure
ON WINDOWS:
Version 2.8 added support for building in the cygwin environment on
Windows based on TEA (http://www.tcl.tk/doc/tea/). You can retrieve
cygwin from:
http://sources.redhat.com/cygwin/
Inside the cygwin environment, you build the same as on Unix.
Otherwise, hack makefile.vc until it works and compile. It has problems
executing wish from a path with a space in it, but the DLL builds just
fine. A DLL should be available where you found this archive.
3. Make and Install
ON UNIX< OS X or WINDOWS (with cygwin):
make
make test (OPTIONAL)
make demo (OPTIONAL)
make install
ON WINDOWS (makefile.vc):
nmake -f makefile.vc
nmake -f makefile.vc test (OPTIONAL)
nmake -f makefile.vc install
tkTable is built to comply to the latest tcl package conventions.
There is also a specific "make static" for those who need it.
4. Use it
Start a regular wish interpreter, 'load' the library, and use the table.
There are a few test scripts in the demos directory which you can source.
5. Read the documentation
There is a Unix manpage and HTML translation provided in the doc/
subdirectory. These describe the table widget's features and commands
in depth. If something is confusing, just to try it out.
6. Python users
There is a library/tktable.py wrapper for use with Python/Tkinter.
THINGS TO WATCH OUT FOR
Packing
The table tries not to allocate huge chunks of screen real estate if
you ask it for a lot of rows and columns. You can always stretch out
the frame or explicitly tell it how big it can be. If you want to
stretch the table, remember to pack it with fill both and expand on,
or with grid, give it -sticky news and configure the grid row and column
for some weighting.
Array
The array elements for the table are of the form array(2,3) etc. Make
sure there are no spaces around the ','. Negative indices are allowed.
Editing
If you can't edit, remember that the focus model in tk is explicit, so
you need to click on the table or give it the focus command. Just
having a selected cell is not the same thing as being able to edit.
You also need the editing cursor. If you can't get the cursor, make
sure that you actually have a variable assigned to the table, and that
the "state" of the cell is not disabled.
COMMENTS, BUGS, etc.
* Please can you send comments and bug reports to the current maintainer
and their best will be done to address them. A mailing list for
tktable discussion is tktable-users@lists.sourceforge.net.
* If you find a bug, a short piece of Tcl that exercises it would be very
useful, or even better, compile with debugging and specify where it
crashed in that short piece of Tcl. Use the SourceForge site to check
for known bugs or submit new ones.
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