listbox.html

是TCL的另外一个编译（解释）器

<BR>Default is <I>LISTBOX_ITEM</I> with operations <B>copy</B> and <B>move</B>.

</DD>
</DL>
<DL><DT><A NAME="-height"><B>-height</B></A></DT>
<DD>

Specifies the desired height for the listbox in units of <B>deltay</B> pixels.

</DD>
</DL>
<DL><DT><A NAME="-multicolumn"><B>-multicolumn</B></A></DT>
<DD>

Specifies wether or not ListBox layouts items in order to see each one vertically.

</DD>
</DL>
<DL><DT><A NAME="-padx"><B>-padx</B></A></DT>
<DD>

Specifies distance between image or window and text of the items.

</DD>
</DL>
<DL><DT><A NAME="-redraw"><B>-redraw</B></A></DT>
<DD>

Specifies wether or not the listbox should be redrawn when entering idle.
Set it to false if you call <B>update</B> while modifying the listbox.

</DD>
</DL>
<DL><DT><A NAME="-selectmode"><B>-selectmode (read-only)</B></A></DT>
<DD>

Specifies the desired selection-mode for the listbox. Must be one of
<B>none</B>, <B>single</B> or <B>multiple</B>. <B>selectmode</B> <I>single</I>
allows to select 1 item by its text or image. <B>selectmode</B> <I>multiple</I>
allows to select multiple items by their text or image. For more info on
selectmodes <I>single</I> or <I>multiple</I>, see the Tk <B>listbox</B>
command. Default value for <B>selectmode</B> is <I>none</I>.

</DD>
</DL>
<DL><DT><A NAME="-width"><B>-width</B></A></DT>
<DD>

Specifies the desired width for the listbox in units of 8 pixels.

</DD>
</DL>
<HR WIDTH="50%"><BR>
<B><A NAME="wc">WIDGET COMMAND</A></B><BR>
<DL><DT><A NAME="bindImage"><I>pathName</I> <B>bindImage</B></A>
 <I>event</I>
 <I>script</I>
</DT><DD>

This command associates a command to execute whenever the event
sequence given by <I>event</I> occurs on the image of a item.
The item idenfier on which the event occurs is appended to the command.

</DD></DL>
<DL><DT><A NAME="bindText"><I>pathName</I> <B>bindText</B></A>
 <I>event</I>
 <I>script</I>
</DT><DD>

This command associates a command to execute whenever the event
sequence given by <I>event</I> occurs on the label of a item.
The item idenfier on which the event occurs is appended to the command.

</DD></DL>
<DL><DT><A NAME="cget"><I>pathName</I> <B>cget</B></A>
 <I>option</I>
</DT><DD>

Returns the current value of the configuration option given by <I>option</I>.
<I>Option</I> may have any of the values accepted by the creation command.
</DD></DL>
<DL><DT><A NAME="configure"><I>pathName</I> <B>configure</B></A>
 ?<I>option</I>? ?<I>value</I> <I>option</I> <I>value</I> ...?
</DT><DD>

Query or modify the configuration options of the widget. If no <I>option</I> is specified,
returns a list describing all of the available options for <I>pathName</I>.
If <I>option</I> is specified with no <I>value</I>, then the command returns a list
describing the one named <I>option</I> (this list will be identical to the corresponding
sublist of the value returned if no <I>option</I> is specified). If one or
more <I>option-value</I> 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> may have any of the values accepted by the creation command.
Read-only options are not be modified.

</DD></DL>
<DL><DT><A NAME="delete"><I>pathName</I> <B>delete</B></A>
 ?<I>arg...</I>?
</DT><DD>

Deletes all items in <I>arg</I>. <I>arg</I> can be a list
of items or a list of list of items.
To delete all items, do <I>$pathName delete [$pathName items]</I>.

</DD></DL>
<DL><DT><A NAME="edit"><I>pathName</I> <B>edit</B></A>
 <I>item</I>
 <I>text</I>
 ?<I>verifycmd</I>?
 ?<I>clickres</I>?
 ?<I>select</I>?
</DT><DD>

Provides a way for the user to edit in place the label of an item.
<BR>The command takes the initial text as argument and does not modify the label of the
edited node, but returns an empty string if edition is canceled, or the typed text
if edition is accepted.
<BR>When editing, the user can cancel by pressing Escape, or accept by pressing Return.
<BR><I>clickres</I> specifies what to do if the user click outside the editable area.
If <I>clickres</I> is 0 (the default), the edition is canceled.
If <I>clickres</I> is 1, the edition is accepted.
In all other case, the edition continues.
<BR>If edition is accepted and <I>modifycmd</I> is not empty, then it is called with
the new text as argument and must return 1 to accept the new text, 0 to refuse it
and continue edition.
<BR><I>select</I> specifies wether or not the initial text should be selected. Default is 1.

</DD></DL>
<DL><DT><A NAME="exists"><I>pathName</I> <B>exists</B></A>
 <I>item</I>
</DT><DD>

Returns 1 if <I>item</I> exists in the listbox, else 0.

</DD></DL>
<DL><DT><A NAME="index"><I>pathName</I> <B>index</B></A>
 <I>item</I>
</DT><DD>

Returns the position of <I>item</I> in the list.

</DD></DL>
<DL><DT><A NAME="insert"><I>pathName</I> <B>insert</B></A>
 <I>index</I>
 <I>item</I>
 ?<I>option value...</I>?
</DT><DD>

Inserts a new item identified by <I>item</I> in the list at position <I>index</I>.

<P>
<DL><DT><A NAME="Item-data"><B>-data</B></A></DT>
<DD>

User data associated to the item.

</DD>
</DL>
<DL><DT><A NAME="Item-fill"><B>-fill</B></A></DT>
<DD>

Specifies the foreground color of the label of the item.

</DD>
</DL>
<DL><DT><A NAME="Item-font"><B>-font</B></A></DT>
<DD>

Specifies a font for the label of the item.

</DD>
</DL>
<DL><DT><A NAME="Item-image"><B>-image</B></A></DT>
<DD>

Specifies an image to display at the left of the label of the item.
<B>window</B> option override <B>image</B>.
</DD>
</DL>
<DL><DT><A NAME="Item-indent"><B>-indent</B></A></DT>
<DD>

Specifies the amount of extra space in pixels at the left of the item.

</DD>
</DL>
<DL><DT><A NAME="Item-text"><B>-text</B></A></DT>
<DD>

Specifies the label of the item.

</DD>
</DL>
<DL><DT><A NAME="Item-window"><B>-window</B></A></DT>
<DD>

Specifies a pathname to display at the left of the label of the item.
<B>window</B> option override <B>image</B>.
</DD>
</DL>
</DD></DL>
<DL><DT><A NAME="item"><I>pathName</I> <B>item</B></A>
 <I>first</I>
 ?<I>last</I>?
</DT><DD>

<B>Its use is deprecated. Use <I>items</I> instead.</B><BR>
If <I>last</I> is omitted, returns the item at index <I>first</I> in the list, 
or an empty string if <I>first</I> refers to a non-existent element.
If <I>last</I> is specified, the command returns a list whose elements are all
of the items between <I>first</I> and <I>last</I>, inclusive. 
Both <I>first</I> and <I>last</I> may have any of the standard forms for indices.

</DD></DL>
<DL><DT><A NAME="itemcget"><I>pathName</I> <B>itemcget</B></A>
 <I>item</I>
 <I>option</I>
</DT><DD>

Returns the current value of a configuration option for the item.
<I>Option</I> may have any of the values accepted by the item creation command.

</DD></DL>
<DL><DT><A NAME="itemconfigure"><I>pathName</I> <B>itemconfigure</B></A>
 <I>item</I>
 ?<I>option</I>? ?<I>value</I> <I>option</I> <I>value</I> ...?
</DT><DD>

This command is similar to the <B>configure</B> command, except that it applies to the
options for an individual item, whereas <B>configure</B> applies to the options for
the widget as a whole. <B>Options</B> may have any of the values accepted by the 
item creation widget command. If options are specified, options are modified as indicated
in the command and the command returns an empty string. If no options are specified,
returns a list describing the current options for the item.
Read-only options are not be modified.

</DD></DL>
<DL><DT><A NAME="items"><I>pathName</I> <B>items</B></A>
 ?<I>first</I>?
 ?<I>last</I>?
</DT><DD>

If <I>first</I> and <I>last</I> are omitted, returns the list of all items.
If <I>first</I> is specified and <I>last</I> omitted, returns the item at index
<I>first</I>, or an empty string if <I>first</I> refers to a non-existent element.
If <I>first</I> and <I>last</I> are specified, the command returns a list whose elements
are all of the items between <I>first</I> and <I>last</I>,
inclusive. Both <I>first</I> and <I>last</I> may have any of the standard
forms for indices.

</DD></DL>
<DL><DT><A NAME="move"><I>pathName</I> <B>move</B></A>
 <I>item</I>
 <I>index</I>
</DT><DD>

Moves <I>item</I> at position <I>index</I> in the list.

</DD></DL>
<DL><DT><A NAME="reorder"><I>pathName</I> <B>reorder</B></A>
 <I>neworder</I>
</DT><DD>

Modifies the order of items in the listbox given by <I>neworder</I>. Items that do not
appear in <I>neworder</I> are no moved.

</DD></DL>
<DL><DT><A NAME="see"><I>pathName</I> <B>see</B></A>
 <I>item</I>
</DT><DD>

Arrange the scrolling area to make <I>item</I> visible.

</DD></DL>
<DL><DT><A NAME="selection"><I>pathName</I> <B>selection</B></A>
 <I>cmd</I>
 ?<I>arg...</I>?
</DT><DD>

Modifies the list of selected items following <I>cmd</I>:
<DL>
<DT><B>clear</B>
<DD>remove all items of the selection.
<DT><B>set</B>
<DD>set the selection to all items in <I>arg</I>
<DT><B>add</B>
<DD>add all items of <I>arg</I> in the selection
<DT><B>remove</B>
<DD>remove all items of <I>arg</I> of the selection
<DT><B>get</B>
<DD>return the current selected items
</DL>

</DD></DL>
<DL><DT><A NAME="xview"><I>pathName</I> <B>xview</B></A>
 ?<I>arg...</I>?
</DT><DD>

Standard command to enable horizontal scrolling of <I>pathName</I>.

</DD></DL>
<DL><DT><A NAME="yview"><I>pathName</I> <B>yview</B></A>
 ?<I>arg...</I>?
</DT><DD>

Standard command to enable vertical scrolling of <I>pathName</I>.

</DD></DL>
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