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tixSelect(n) Tix Built-In Commands tixSelect(n)
__________________________________________________________________________________________________________________________________________________
NAME
tixSelect - Create and manipulate tixSelect widgets
SYNOPSIS
tixSelect pathName ?options?
SUPER-CLASS
The TixSelect class is derived from the TixLabelWidget class and inherits all the commands, options and subwidgets of its super-class.
STANDARD OPTIONS
The Select widget supports all the standard options of a frame widget. See the options(n) manual entry for details on the standard
options.
WIDGET-SPECIFIC OPTIONS
[-allowzero allowZero] A boolean value that specifies whether the selection can be empty. When set to false, at least one button subwidget
must be selected at any time.
Note: When the Select widget is first constructed, the default selection is always empty, even if -allowzero is set to false. [-button-
type buttonType] The type of buttons to be used as subwidgets inside the Select widget. By default, the standard Tk button widget class is
used. [-command command] Specifies the TCL command to be executed when the -value of the Select widget is changed. This command will be
invoked with two arguments. The first is the name of the button subwidget that has toggled. The second is a boolean value indicating
whether the button subwidget is selected. This command is executed only when the -disableCallback option is set to false. [-disablecall-
back disableCallback] A boolean value indicating whether callbacks should be disabled. When set to true, the TCL command specified by the
-command option is not executed when the -value of the Select widget changes.
Name: orientation
Class: Orientation
Switch: -orientation
Alias: -orient
Specifies the orientation of the button subwidgets. Only the values horizontal and vertical are recognized. This is a static option
and it can only be assigned during the creation of the widget. [-label label] Specifies the string to display as the label of this
Select widget. [-labelside labelSide] Specifies where the label should be displayed relative to the Select widget. Valid options
are: top, left, right, bottom, none or acrosstop. [-padx padX] Specifies the horizontal padding between two neighboring button sub-
widgets. This is a static option and it can only be assigned during the creation of the widget. [-padx padY] Specifies the vertical
padding between two neighboring button subwidgets. This is a static option and it can only be assigned during the creation of the
widget. [-radio radio] A boolean value that specifies whether the Select widget should act as a radio-box. When set to true, at
most one button subwidget can be selected at any time. This is a static option and it can only be assigned during the creation of
the widget. [-selectedbg selectedBg] Specifies the background color of all the selected button subwidgets. [-state state] Speci-
fies the state of all the buttons inside the Select widget. Only the values normal and disabled are recognized. When the state is
set to disabled, all user actions on this Select widget are ignore. [-validatecmd validateCmd] Specifies a TCL command to be called
when the -value of the Select widget is about to change. This command is called with one parameter -- the new -value entered by the
user. This command is to validate this new value by returning a value it deems valid. [-value value] The value of a Select widget
is a list of the names of the button subwidgets that have been selected by the user.
When you assign the value of a Select widget using the "config -value" widget command, the TCL command specified by the -command
option will be invoked if some button subwidgets are toggled. [-variable variable] Specifies the global variable in which the value
of the Select widget should be stored. The value of a Select widget is stored as a list of the names of the button subwidgets that
have been selected by the user. The value of the Select widget will be automatically updated when this variable is changed.
SUBWIDGETS
Name: label
Class: Label
The label subwidget.
In addition, all the button subwidgets created as a result of the add widget command can be accessed by the subwidget command. They are
identified by the buttonName parameter to the add widget command. Here is an example:
set s [tixSelect .s]
pack $s
$s add eat -text Eat
$s add sleep -text Sleep
$s subwidget eat config -fg green
$s subwidget sleep config -fg red
_________________________________________________________________
DESCRIPTION
The tixSelect command creates a new window (given by the pathName argument) and makes it into a Select widget. Additional options,
described above, may be specified on the command line or in the option database to configure aspects of the Select widget such as its cur-
sor and relief.
The Select widget is a container of button subwidgets. It can be used to provide radio-box or check-box style of selection options for the
user.
WIDGET COMMANDS
The tixSelect command creates a new Tcl command whose name is the same as the path name of the Select widget's window. This command may be
used to invoke various operations on the widget. It has the following general form:
pathName option ?arg arg ...?
PathName is the name of the command, which is the same as the Select widget's path name. Option and the args determine the exact behavior
of the command. The following commands are possible for Select widgets:
pathName add buttonName ?option value ... ?
Adds a new button subwidget with the name buttonName into the Select widget. Additional configuration options can be given to con-
figure the new button subwidget.
pathName cget option
Returns the current value of the configuration option given by option. Option may have any of the values accepted by the tixSelect
command.
pathName configure ?option? ?value option value ...?
Query or modify the configuration options of the widget. If no option is specified, returns a list describing all of the available
options for pathName (see Tk_ConfigureInfo for information on the format of this list). If option is specified with no value, then
the command returns a list describing the one named option (this list will be identical to the corresponding sublist of the value
returned if no option is specified). If one or more option-value pairs are specified, then the command modifies the given widget
option(s) to have the given value(s); in this case the command returns an empty string. Option may have any of the values accepted
by the tixSelect command.
pathName invoke buttonName
Invokes the button subwidget with the name buttonName.
pathName subwidget name ?args?
When no options are given, returns the pathname of the subwidget of the specified name.
When options are given, the widget command of the specified subwidget will be called with these options.
BINDINGS
When the user presses the left mouse button over the a button subwidget, it will be toggled and the -value option of the tixSelect widget
will be changed.
EXAMPLE
The following example creates a radio-box style iconbar for the user to choose one value among eat, work or sleep.
set s [tixSelect .s -radio true -allowzero false]
$s add eat -bitmap [tix getbitmap eat]
$s add work -bitmap [tix getbitmap work]
$s add sleep -bitmap [tix getbitmap sleep]
KEYWORDS
Tix(n), Container Widget
Tix 4.0 tixSelect(n)