Interactive Tablelist Cell Editing Using the BWidget Package

by

Csaba Nemethi

csaba.nemethi@t-online.de

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Overview

The BWidget package is a library extension for Tcl/Tk version 8.1.1 or higher, written in pure Tcl/Tk code.  Its download location is

http://tcllib.sourceforge.net

Tablelist supports interactive cell editing with the aid of the Entry, SpinBox, and ComboBox widgets from the BWidget package.  The steps needed for using one of these widgets for editing the cells of a given column are as follows:

  1. Register the desired widget for interactive cell editing by invoking one of the commands described in this reference page.
     
  2. Use the tablelist widget's columnconfigure subcommand to set the given column's -editable option to true and its -editwindow option to the value returned by the command mentioned above.  (These options are supported at cell level, too, with the aid of the cellconfigure subcommand.)

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The tablelist::addBWidgetEntry Command

NAME
tablelist::addBWidgetEntry - Register the Entry widget from the BWidget package for interactive cell editing

SYNOPSIS
tablelist::addBWidgetEntry ?name?
DESCRIPTION
This command registers the Entry widget from the BWidget package for interactive cell editing in tablelist widgets.  The optional argument specifies the name to be used for the Entry widget as the value of the -editwindow column or cell configuration option.  It may be any string that is different from entry, text, spinbox, checkbutton, ttk::entry, ttk::checkbutton, and ttk::combobox.  The default is Entry.  The command returns its name argument.

KEYWORDS
tablelist, editing, BWidget, Entry

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The tablelist::addBWidgetSpinBox Command

NAME
tablelist::addBWidgetSpinBox - Register the SpinBox widget from the BWidget package for interactive cell editing

SYNOPSIS
tablelist::addBWidgetSpinBox ?name?
DESCRIPTION
This command registers the SpinBox widget from the BWidget package for interactive cell editing in tablelist widgets.  The optional argument specifies the name to be used for the SpinBox widget as the value of the -editwindow column or cell configuration option.  It may be any string that is different from entry, text, spinbox, checkbutton, ttk::entry, ttk::checkbutton, and ttk::combobox.  The default is SpinBox.  The command returns its name argument.

The temporary embedded SpinBox widget associated with the above name will be created with its -editable option set to 1.  You can use the script corresponding to the -editstartcommand tablelist configuration option to make the SpinBox non-editable or define validations for it, as well as for setting its (range of) values and its -wrap option.

KEYWORDS
tablelist, editing, BWidget, SpinBox

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The tablelist::addBWidgetComboBox Command

NAME
tablelist::addBWidgetComboBox - Register the ComboBox widget from the BWidget package for interactive cell editing

SYNOPSIS
tablelist::addBWidgetComboBox ?name?
DESCRIPTION
This command registers the ComboBox widget from the BWidget package for interactive cell editing in tablelist widgets.  The optional argument specifies the name to be used for the ComboBox widget as the value of the -editwindow column or cell configuration option.  It may be any string that is different from entry, text, spinbox, checkbutton, ttk::entry, ttk::checkbutton, and ttk::combobox.  The default is ComboBox.  The command returns its name argument.

The temporary embedded ComboBox widget associated with the above name will be created with its -editable option set to 1.  You can use the script corresponding to the -editstartcommand tablelist configuration option to make the ComboBox non-editable or define validations for it, as well as for populating its listbox component (with the aid of the ComboBox widget's -values option).

KEYWORDS
tablelist, editing, BWidget, ComboBox

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