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<TITLE>tixSelect - Create and manipulate tixSelect widgets</TITLE>

<Center><H2>tixSelect - Create and manipulate tixSelect widgets</H2></Center><hr>

</pre><H3>SYNOPSIS</H3>

<B>tixSelect<I> <I>pathName ?<I>options</I></B>?

<P>

</pre><H3>SUPER-CLASS</H3>

The <B>TixSelect</B></I> class is derived from the <B>TixLabelWidget</B></I>

class and inherits all the commands, options and

subwidgets of its super-class.

</pre><H3>STANDARD OPTIONS</H3>

The Select widget supports all the standard options of a frame widget.

See the <B>options(n)</B></I> manual entry for details on the standard options.

</pre><H3>WIDGET-SPECIFIC OPTIONS</H3>

<P>

<pre><code><code><code>

Name:           <B>allowZero</B></I>

Class:          <B>AllowZero</B></I>

Switch:         <B>-allowzero</B></I>

</code></code></code></pre>

<UL>

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.

<B>Note</B></I>: When the Select widget is first constructed, the default

selection is always empty, even if <B>-allowzero</B></I> is set to

<B>false</B></I>.

</UL>

<P>

<pre><code><code><code>

Name:           <B>buttonType</B></I>

Class:          <B>ButtonType</B></I>

Switch:         <B>-buttontype</B></I>

</code></code></code></pre>

<UL>

The type of buttons to be used as subwidgets inside the Select widget.

By default, the standard Tk <B>button</B></I> widget class is used.

</UL>

<P>

<pre><code><code><code>

Name:           <B>command</B></I>

Class:          <B>Command</B></I>

Switch:         <B>-command</B></I>

</code></code></code></pre>

<UL>

Specifies the TCL command to be executed when the <B>-value</B></I> 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

<B>-disableCallback</B></I> option is set to false.

</UL>

<P>

<pre><code><code><code>

Name:           <B>disableCallback</B></I>

Class:          <B>DisableCallback</B></I>

Switch:         <B>-disablecallback</B></I>

</code></code></code></pre>

<UL>

A boolean value indicating whether callbacks should be disabled. When

set to true, the TCL command specified by the <B>-command</B></I> option

is not executed when the <B>-value</B></I> of the Select widget

changes.

</UL>

<P>

<pre><code><code><code>

Name:           <B>orientation</B></I>

Class:          <B>Orientation</B></I>

Switch:         <B>-orientation</B></I>

Alias:          <B>-orient</B></I>

</code></code></code></pre>

<UL>

Specifies the orientation of the button subwidgets. Only the values

<B>horizontal</B></I> and <B>vertical</B></I> are recognized. This is a

<I>static option</I></B> and it can only be assigned during the creation of

the widget.

</UL>

<P>

<pre><code><code><code>

Name:           <B>label</B></I>

Class:          <B>Label</B></I>

Switch:         <B>-label</B></I>

</code></code></code></pre>

<UL>

Specifies the string to display as the label of this Select widget.

</UL>

<P>

<pre><code><code><code>

Name:           <B>labelSide</B></I>

Class:          <B>LabelSide</B></I>

Switch:         <B>-labelside</B></I>

</code></code></code></pre>

<UL>

Specifies where the label should be displayed relative to the Select

widget. Valid options are: <B>top</B></I>, <B>left</B></I>, <B>right</B></I>,

<B>bottom</B></I>, <B>none</B></I> or <B>acrosstop</B></I>.

</UL>

<P>

<pre><code><code><code>

Name:           <B>padX</B></I>

Class:          <B>Pad</B></I>

Switch:         <B>-padx</B></I>

</code></code></code></pre>

<UL>

Specifies the horizontal padding between two neighboring button

subwidgets. This is a <I>static option</I></B> and it can only be assigned

during the creation of the widget.

</UL>

<P>

<pre><code><code><code>

Name:           <B>padY</B></I>

Class:          <B>Pad</B></I>

Switch:         <B>-padx</B></I>

</code></code></code></pre>

<UL>

Specifies the vertical padding between two neighboring button

subwidgets. This is a <I>static option</I></B> and it can only be assigned

during the creation of the widget.

</UL>

<P>

<pre><code><code><code>

Name:           <B>radio</B></I>

Class:          <B>Radio</B></I>

Switch:         <B>-radio</B></I>

</code></code></code></pre>

<UL>

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 <I>static option</I></B>

and it can only be assigned during the creation of the widget.

</UL>

<P>

<pre><code><code><code>

Name:           <B>selectedBg</B></I>

Class:          <B>SelectedBg</B></I>

Switch:         <B>-selectedbg</B></I>

</code></code></code></pre>

<UL>

Specifies the background color of all the selected button subwidgets.

</UL>

<P>

<pre><code><code><code>

Name:           <B>state</B></I>

Class:          <B>State</B></I>

Switch:         <B>-state</B></I>

</code></code></code></pre>

<UL>

Specifies the state of all the buttons inside the Select widget.  Only

the values <B>normal</B></I> and <B>disabled</B></I> are recognized. When the

state is set to <B>disabled</B></I>, all user actions on this Select widget

are ignore.

</UL>

<P>

<pre><code><code><code>

Name:           <B>validateCmd</B></I>

Class:          <B>ValidateCmd</B></I>

Switch:         <B>-validatecmd</B></I>

</code></code></code></pre>

<UL>

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 <B>-value</B></I> entered by the user. This

command is to validate this new value by returning a value it deems

valid.

</UL>

<P>

<pre><code><code><code>

Name:           <B>value</B></I>

Class:          <B>Value</B></I>

Switch:         <B>-value</B></I>

</code></code></code></pre>

<UL>

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 <B>-command</B></I>

option will be invoked if some button subwidgets are toggled.

</UL>

<P>

<pre><code><code><code>

Name:           <B>variable</B></I>

Class:          <B>Variable</B></I>

Switch:         <B>-variable</B></I>

</code></code></code></pre>

<UL>

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.

</UL>

</pre><H3>SUBWIDGETS</H3>

<P>

<P>

<pre><code><code><code>

Name:           <B>label</B></I>

Class:          <B>Label</B></I>

</code></code></code></pre>

<UL>

The label subwidget.

</UL>

<P>

In addition, all the button subwidgets created as a result of the

<B>add</B></I> widget command can be accessed by the <B>subwidget</B></I>

command. They are identified by the <I>buttonName</I></B> parameter to the

<B>add</B></I> widget command. Here is an example:

<P>

<pre><code><code><code>

        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

</code></code></code></pre>

</pre><HR>

</pre><H3>DESCRIPTION</H3>

<P>

The <B>tixSelect</B></I> command creates a new window (given by the

<I>pathName</I></B> 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 cursor 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.

</pre><H3>WIDGET COMMANDS</H3>

<P>

The <B>tixSelect</B></I> command creates a new Tcl command whose name is

command may be used to invoke various operations on the widget.  It

has the following general form:

<pre>

<I>pathName option </I></B>?<I>arg arg ...</I></B>?

<P>

</pre>

<I>PathName</I></B> is the name of the command, which is the same as the

determine the exact behavior of the command.  The following commands

are possible for Select widgets:

<DL>

<DT> <I>pathName <B>add<I> buttonName </I></B>?<I>option value ... </I></B>?

</I></B>

<DD> Adds a new button subwidget with the name </B></I>buttonName</B></I> into the

Select widget. Additional configuration options can be given

to configure the new button subwidget.

</DL>

<DL>

<DT> <I>pathName <B>cget<I> <I>option</I></B>

</I></B>

<DD> Returns the current value of the configuration option given by

<I>option</I></B>. <I>Option</I></B> may have any of the values accepted by the

<B>tixSelect</B></I> command.

</DL>

<DL>

<DT> <I>pathName <B>configure</B></I> ?<I>option</I></B>? <I>?value option value ...</I></B>?

</I></B>

<DD> Query or modify the configuration options of the widget.  If no

<I>option</I></B> is specified, returns a list describing all of the

available options for <I>pathName</I></B> (see <B>Tk_ConfigureInfo</B></I> for

information on the format of this list). If <I>option</I></B> is specified

with no <I>value</I></B>, 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 <I>option</I></B> is specified).  If

one or more <I>option-value</I></B> 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.  <I>Option</I></B> may have

any of the values accepted by the <B>tixSelect</B></I> command.

</DL>

<DL>

<DT> <I>pathName <B>invoke<I> buttonName</I></B>

</I></B>

<DD> Invokes the button subwidget with the name </B></I>buttonName</B></I>.

</DL>

<DL>

<DT> <I>pathName <B>subwidget<I> name ?args?</I></B>

</I></B>

<DD> 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.

</DL>

</pre><H3>BINDINGS</H3>

<P>

When the user presses the left mouse button over the a button

subwidget, it will be toggled and the <B>-value</B></I> option of the

tixSelect widget will be changed.

</pre><H3>EXAMPLE</H3>

<P>

The following example creates a radio-box style iconbar for the user

to choose one value among <B>eat</B></I>, <B>work</B></I> or <B>sleep</B></I>.

<P>

<pre><code><code><code>

        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]

</code></code></code></pre>

</pre><H3>KEYWORDS</H3>

Tix(n), Container Widget

<hr><i>Last modified Sun Jan 19 22:34:38 EST 1997 </i> ---

<i>Serial 853731305</i>