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|
<!-- manual page source format generated by PolyglotMan v3.0.8+X.Org, -->
<!-- available at http://polyglotman.sourceforge.net/ -->
<html>
<head>
<title>man page(1) manual page</title>
</head>
<body bgcolor='#efefef' text='black' link='blue' vlink='#551A8B' alink='red'>
<a href='#toc'>Table of Contents</a><p>
______________________________________________________________________________
<p>
<h2><a name='sect0' href='#toc0'><b>Name</b></a></h2>
<p>
table - Create and manipulate tables
<p>
<h2><a name='sect1' href='#toc1'><b>Synopsis</b></a></h2>
<p>
<b>table</b> <i>pathName</i> ?<i>options</i>?
<p>
<h2><a name='sect2' href='#toc2'><b>Standard</b> <b>Options</b></a></h2>
<dl>
<dt><b>-anchor</b> </dt></dt>
<dd> <b>-background</b> <b>-cursor</b>
</dd>
<dt><b>-exportselection</b> </dt></dt>
<dd> <b>-font</b> <b>-foreground</b>
</dd>
<dt><b>-highlightbackground</b> </dt></dt>
<dd> <b>-highlightcolor</b> <b>-highlightthickness</b>
</dd>
<dt><b>-insertbackground</b> </dt></dt>
<dd> <b>-insertborderwidth-insertofftime</b>
<b>-insertontime</b> <b>-insertwidth</b> <b>-invertselected</b>
</dd>
<dt><b>-relief</b> </dt></dt>
<dd> <b>-takefocus</b> <b>-xscrollcommand</b>
<b>-yscrollcommand</b>
<p></dd>
</dl>
<p>
See the <b>options</b> manual entry for details on the standard options.
<p>
<h2><a name='sect3' href='#toc3'><b>Widget-specific</b> <b>Options</b></a></h2>
<p>
Command-Line Name:<b>-autoclear</b><br>
Database Name: <b>autoClear</b><br>
Database Class: <b>AutoClear</b>
<p><p>
A boolean value which specifies whether the first keypress in a
cell will delete whatever text was previously there. Defaults
to 0.
<p><p>
Command-Line Name:<b>-bordercursor</b><br>
Database Name: <b>borderCursor</b><br>
Database Class: <b>Cursor</b>
<p><p>
Specifies the name of the cursor to show when over borders, a
visual indication that interactive resizing is allowed (it is
thus affect by the value of -resizeborders). Defaults to
<i>crosshair</i>.
<p><p>
Command-Line Name:<b>-borderwidth</b> <b>or</b> <b>-bd</b><br>
Database Name: <b>borderWidth</b><br>
Database Class: <b>BorderWidth</b>
<p><p>
Specifies a non-negative pixel value or list of values indicating
the width of the 3-D border to draw on interior table cells
(if such a border is being drawn; the <b>relief</b> option typically
determines this). If one value is specified, a rectangle of
this width will be drawn. If two values are specified, then
only the left and right edges of the cell will have borders. If
four values are specified, then the values correspond to the
{left right top bottom} edges. This can be overridden by the a
tag's borderwidth option. It can also be affected by the
defined <b>-drawmode</b> for the table. Each value in the list must
have one of the forms acceptable to <b>Tk_GetPixels</b>.
<p><p>
Command-Line Name:<b>-browsecommand</b> <b>or</b> <b>-browsecmd</b>
Database Name: <b>browseCommand</b><br>
Database Class: <b>BrowseCommand</b>
<p><p>
Specifies a command which will be evaluated anytime the active
cell changes. It uses the %-substition model described in COMMAND
SUBSTITUTION below. Any changes to the active cell while
the command is running are ignored to prevent recursion.
<p><p>
Command-Line Name:<b>-cache</b><br>
Database Name: <b>cache</b><br>
Database Class: <b>Cache</b>
<p><p>
A boolean value that specifies whether an internal cache of the
table contents should be kept. This greatly enhances speed performance
when used with <b>-command</b> but uses extra memory. Can
maintain state when both <b>-command</b> and <b>-variable</b> are empty. The
cache is automatically flushed whenever the value of <b>-cache</b> or
<b>-variable</b> changes, otherwise you have to explicitly call <b>clear</b>
on it. Defaults to off.
<p><p>
Command-Line Name:<b>-colorigin</b><br>
Database Name: <b>colOrigin</b><br>
Database Class: <b>Origin</b>
<p><p>
Specifies what column index to interpret as the leftmost column
in the table. This value is used for user indices in the table.
Defaults to 0.
<p><p>
Command-Line Name:<b>-cols</b><br>
Database Name: <b>cols</b><br>
Database Class: <b>Cols</b>
<p><p>
Number of cols in the table. Defaults to 10.
<p><p>
Command-Line Name:<b>-colseparator</b><br>
Database Name: <b>colSeparator</b><br>
Database Class: <b>Separator</b>
<p><p>
Specifies a separator character that will be interpreted as the
column separator when cutting or pasting data in a table. By
default, columns are separated as elements of a tcl list.
<p><p>
Command-Line Name:<b>-colstretchmode</b><br>
Database Name: <b>colStretchMode</b><br>
Database Class: <b>StretchMode</b>
<p><p>
Specifies one of the following stretch modes for columns to fill
extra allocated window space:
<p><p>
<b>none</b> Columns will not stretch to fill the assigned window
space. If the columns are too narrow, there will be a
blank space at the right of the table. This is the
default.
<p><p>
<b>unset</b> Only columns that do not have a specific width set will
be stretched.
<p>
<dl>
<dt><b>all</b> </dt></dt>
<dd> All columns will be stretched by the same number of pixels
to fill the window space allocated to the table.
This mode can interfere with interactive border resizing
which tries to force column width.
<p></dd>
</dl>
<p>
<b>last</b> The last column will be stretched to fill the window
space allocated to the table.
<p><p>
<b>fill</b> (only valid for <b>-rowstretch</b> currently)
The table will get more or less columns according to the
window space allocated to the table. This mode has
numerous quirks and may disappear in the future.
<p><p>
Command-Line Name:<b>-coltagcommand</b><br>
Database Name: <b>colTagCommand</b><br>
Database Class: <b>TagCommand</b>
<p><p>
Provides the name of a procedure that will be evaluated by the
widget to determine the tag to be used for a given column. When
displaying a cell, the table widget will first check to see if a
tag has been defined using the <b>tag</b> <b>col</b> widget method. If no tag
is found, it will evaluate the named procedure passing the column
number in question as the sole argument. The procedure is
expected to return the name of a tag to use, or a null string.
Errors occurring during the evaluation of the procedure, or the
return of an invalid tag name are silently ignored.
<p><p>
Command-Line Name:<b>-colwidth</b><br>
Database Name: <b>colWidth</b><br>
Database Class: <b>ColWidth</b>
<p><p>
Default column width, interpreted as characters in the default
font when the number is positive, or pixels if it is negative.
Defaults to 10.
<p><p>
Command-Line Name:<b>-command</b><br>
Database Name: <b>command</b><br>
Database Class: <b>Command</b>
<p><p>
Specified a command to use as a procedural interface to cell
values. If <b>-usecommand</b> is true, this command will be used
instead of any reference to the <b>-variable</b> array. When retrieving
cell values, the return value of the command is used as the
value for the cell. It uses the %-substition model described in
COMMAND SUBSTITUTION below.
<p><p>
Command-Line Name:<b>-drawmode</b><br>
Database Name: <b>drawMode</b><br>
Database Class: <b>DrawMode</b>
<p><p>
Sets the table drawing mode to one of the following options:
<p><p>
<b>slow</b> The table is drawn to an offscreen pixmap using the Tk
bordering functions (double-buffering). This means there
will be no flashing, but this mode is slow for larger
tables.
<p><p>
<b>compatible</b><br>
The table is drawn directly to the screen using the Tk
border functions. It is faster, but the screen may flash
on update. This is the default.
<p>
<dl>
<dt><b>fast</b> </dt></dt>
<dd>The table is drawn directly to the screen and the borders
are done with fast X calls, so they are always one pixel
wide only. As a side effect, it restricts <b>-borderwidth</b>
to a range of 0 or 1. This mode provides best performance
for large tables, but can flash on redraw and is
not 100% Tk compatible on the border mode.
<p></dd>
</dl>
<p>
<b>single</b> The table is drawn to the screen as in fast mode, but
only single pixel lines are drawn (not square borders).
<p><p>
Command-Line Name:<b>-ellipsis</b><br>
Database Name: <b>ellipsis</b><br>
Database Class: <b>Ellipsis</b>
<p><p>
This specifies a string to display at the end of a line that
would be clipped by its cell, like ``...''. An ellipsis will be
displayed only on non-wrapping, non-multiline cells that would
be clipped. The ellipsis will display on the left for east
anchored cells, otherwise it displays on the right. Defaults to
(no ellipsis).
<p><p>
Command-Line Name:<b>-flashmode</b><br>
Database Name: <b>flashMode</b><br>
Database Class: <b>FlashMode</b>
<p><p>
A boolean value which specifies whether cells should flash when
their value changes. The table tag <b>flash</b> will be applied to
these cells for the duration specified by <b>-flashtime</b>. Defaults
to 0.
<p><p>
Command-Line Name:<b>-flashtime</b><br>
Database Name: <b>flashTime</b><br>
Database Class: <b>FlashTime</b>
<p><p>
The amount of time, in 1/4 second increments, for which a cell
should flash when its value has changed. <b>-flashmode</b> must be on.
Defaults to 2.
<p><p>
Command-Line Name:<b>-height</b><br>
Database Name: <b>height</b><br>
Database Class: <b>Height</b>
<p><p>
Specifies the desired height for the window, in rows. If zero
or less, then the desired height for the window is made just
large enough to hold all the rows in the table. The height can
be further limited by <b>-maxheight</b>.
<p><p>
Command-Line Name:<b>-invertselected</b><br>
Database Name: <b>invertSelected</b><br>
Database Class: <b>InvertSelected</b>
<p><p>
Specifies whether the foreground and background of an item
should simply have their values swapped instead of merging the
<i>sel</i> tag options when the cell is selected. Defaults to 0 (merge
<i>sel</i> tag).
<p><p>
Command-Line Name:<b>-ipadx</b><br>
Database Name: <b>ipadX</b><br>
Database Class: <b>Pad</b>
<p><p>
A pixel value specifying the internal offset X padding for text
in a cell. This value does not grow the size of the cell, it
just causes the text to be drawn further from the cell border.
It only affects one side (depending on anchor). Defaults to 0.
See <b>-padx</b> for an alternate padding style.
<p><p>
Command-Line Name:<b>-ipady</b><br>
Database Name: <b>ipadY</b><br>
Database Class: <b>Pad</b>
<p><p>
A pixel value specifying the internal offset Y padding for text
in a cell. This value does not grow the size of the cell, it
just causes the text to be drawn further from the cell border.
It only affects one side (depending on anchor). Defaults to 0.
See <b>-pady</b> for an alternate padding style.
<p><p>
Command-Line Name:<b>-justify</b><br>
Database Name: <b>justify</b><br>
Database Class: <b>Justify</b>
<p><p>
How to justify multi-line text in a cell. It must be one of
<b>left</b>, <b>right</b>, or <b>center</b>. Defaults to left.
<p><p>
Command-Line Name:<b>-maxheight</b><br>
Database Name: <b>maxHeight</b><br>
Database Class: <b>MaxHeight</b>
<p><p>
The max height in pixels that the window will request. Defaults
to 600.
<p><p>
Command-Line Name:<b>-maxwidth</b><br>
Database Name: <b>maxWidth</b><br>
Database Class: <b>MaxWidth</b>
<p><p>
The max width in pixels that the window will request. Defaults
to 800.
<p><p>
Command-Line Name:<b>-multiline</b><br>
Database Name: <b>multiline</b><br>
Database Class: <b>Multiline</b>
<p><p>
Specifies the default setting for the multiline tag option.
Defaults to 1.
<p><p>
Command-Line Name:<b>-padx</b><br>
Database Name: <b>padX</b><br>
Database Class: <b>Pad</b>
<p><p>
A pixel value specifying the offset X padding for a cell. This
value causes the default size of the cell to increase by two
times the value (one for each side), unless a specific pixel
size is chosen for the cell with the <b>width</b> command. This will
force an empty area on the left and right of each cell edge.
This padding affects all types of data in the cell. Defaults to
0. See <b>-ipadx</b> for an alternate padding style.
<p><p>
Command-Line Name:<b>-pady</b><br>
Database Name: <b>padY</b><br>
Database Class: <b>Pad</b>
<p><p>
A pixel value specifying the offset Y padding for a cell. This
value causes the default size of the cell to increase by two
times the value (one for each side), unless a specific pixel
size is chosen for the cell with the <b>height</b> command. This will
force an empty area on the top and bottom of each cell edge.
This padding affects all types of data in the cell. Defaults to
0. See <b>-ipadx</b> for an alternate padding style.
<p><p>
Command-Line Name:<b>-resizeborders</b><br>
Database Name: <b>resizeBorders</b><br>
Database Class: <b>ResizeBorders</b>
<p><p>
Specifies what kind of interactive border resizing to allow,
must be one of row, col, both (default) or none.
<p><p>
Command-Line Name:<b>-rowheight</b><br>
Database Name: <b>rowHeight</b><br>
Database Class: <b>RowHeight</b>
<p><p>
Default row height, interpreted as lines in the default font
when the number is positive, or pixels if it is negative.
Defaults to 1.
<p><p>
Command-Line Name:<b>-roworigin</b><br>
Database Name: <b>rowOrigin</b><br>
Database Class: <b>Origin</b>
<p><p>
Specifies what row index to interpret as the topmost row in the
table. This value is used for user indices in the table.
Defaults to 0.
<p><p>
Command-Line Name:<b>-rows</b><br>
Database Name: <b>rows</b><br>
Database Class: <b>Rows</b>
<p><p>
Number of rows in the table. Defaults to 10.
<p><p>
Command-Line Name:<b>-rowseparator</b><br>
Database Name: <b>rowSeparator</b><br>
Database Class: <b>Separator</b>
<p><p>
Specifies a separator character that will be interpreted as the
row separator when cutting or pasting data in a table. By
default, rows are separated as tcl lists.
<p><p>
Command-Line Name:<b>-rowstretchmode</b><br>
Database Name: <b>rowStretchMode</b><br>
Database Class: <b>StretchMode</b>
<p><p>
Specifies the stretch modes for rows to fill extra allocated
window space. See <b>-colstretchmode</b> for valid options.
<p><p>
Command-Line Name:<b>-rowtagcommand</b><br>
Database Name: <b>rowTagCommand</b><br>
Database Class: <b>TagCommand</b>
<p><p>
Provides the name of a procedure that can evaluated by the widget
to determine the tag to be used for a given row. The procedure
must be defined by the user to accept a single argument
(the row number), and return a tag name or null string. This
operates in a similar manner as <b>-coltagcommand</b>, except that it
applies to row tags.
<p><p>
Command-Line Name:<b>-selectioncommand</b> <b>or</b> <b>-selcmd</b>
Database Name: <b>selectionCommand</b><br>
Database Class: <b>SelectionCommand</b>
<p><p>
Specifies a command to evaluate when the selection is retrieved
from a table via the selection mechanism (ie: evaluating
``<b>selection</b> <b>get</b>''). The return value from this command will
become the string passed on by the selection mechanism. It uses
the %-substition model described in COMMAND SUBSTITUTION below.
If an error occurs, a Tcl background error is generated and
nothing is returned.
<p><p>
Command-Line Name:<b>-selectmode</b><br>
Database Name: <b>selectMode</b><br>
Database Class: <b>SelectMode</b>
<p><p>
Specifies one of several styles for manipulating the selection.
The value of the option may be arbitrary, but the default bindings
expect it to be either <b>single</b>, <b>browse</b>, <b>multiple</b>, or
<b>extended</b>; the default value is <b>browse</b>. These styles are like
those for the Tk listbox, except expanded for 2 dimensions.
<p><p>
Command-Line Name:<b>-selecttitle</b><br>
Database Name: <b>selectTitles</b><br>
Database Class: <b>SelectTitles</b>
<p><p>
Specifies whether title cells should be allowed in the selection.
Defaults to 0 (disallowed).
<p><p>
Command-Line Name:<b>-selecttype</b><br>
Database Name: <b>selectType</b><br>
Database Class: <b>SelectType</b>
<p><p>
Specifies one of several types of selection for the table. The
value of the option may be one of <b>row</b>, <b>col</b>, <b>cell</b>, or <b>both</b>
(meaning <b>row</b> <b>&&</b> <b>col</b>); the default value is <b>cell</b>. These types
define whether an entire row/col is affected when a cell's
selection is changed (set or clear).
<p><p>
Command-Line Name:<b>-sparsearray</b><br>
Database Name: <b>sparseArray</b><br>
Database Class: <b>SparseArray</b>
<p><p>
A boolean value that specifies whether an associated Tcl array
should be kept as a sparse array (1, the default) or as a full
array (0). If true, then cell values that are empty will be
deleted from the array (taking less memory). If false, then all
values in the array will be maintained.
<p><p>
Command-Line Name:<b>-state</b><br>
Database Name: <b>state</b><br>
Database Class: <b>State</b>
<p><p>
Specifies one of two states for the entry: <b>normal</b> or <b>disabled</b>.
If the table is disabled then the value may not be changed using
widget commands and no insertion cursor will be displayed, even
if the input focus is in the widget. Also, all insert or delete
methods will be ignored. Defaults to <b>normal</b>.
<p><p>
Command-Line Name:<b>-titlecols</b><br>
Database Name: <b>titleCols</b><br>
Database Class: <b>TitleCols</b>
<p><p>
Number of columns to use as a title area. Defaults to 0.
<p><p>
Command-Line Name:<b>-titlerows</b><br>
Database Name: <b>titleRows</b><br>
Database Class: <b>TitleRows</b>
<p><p>
Number of rows to use as a title area. Defaults to 0.
<p><p>
Command-Line Name:<b>-usecommand</b><br>
Database Name: <b>useCommand</b><br>
Database Class: <b>UseCommand</b>
<p><p>
A boolean value which specifies whether to use the <b>command</b>
option. This value sets itself to zero if <b>command</b> is used and
returns an error. Defaults to 1 (will use <b>command</b> if specified).
<p><p>
Command-Line Name:<b>-validate</b><br>
Database Name: <b>validate</b><br>
Database Class: <b>Validate</b>
<p><p>
A boolean specifying whether validation should occur for the
active buffer. Defaults to 0.
<p><p>
Command-Line Name:<b>-validatecommand</b> <b>or</b> <b>-vcmd</b>
Database Name: <b>validateCommand</b><br>
Database Class: <b>ValidateCommand</b>
<p><p>
Specifies a command to execute when the active cell is edited.
This command is expected to return a Tcl boolean. If it returns
true, then it is assumed the new value is OK, otherwise the new
value is rejected (the edition will not take place). Errors in
this command are handled in the background. It uses the %-substition
model described in COMMAND SUBSTITUTION below.
<p><p>
Command-Line Name:<b>-variable</b><br>
Database Name: <b>variable</b><br>
Database Class: <b>Variable</b>
<p><p>
Global Tcl array variable to attach to the table's C array. It
will be created if it doesn't already exist or is a simple variable.
Keys used by the table in the array are of the form
<i>row</i>,<i>col</i> for cells and the special key <i>active</i> which contains the
value of the active cell buffer. The Tcl array is managed as a
sparse array (the table does not require that all valid indices
have values). No stored value for an index is equivalent to the
empty string, and clearing a cell will remove that index from
the Tcl array, unless the <b>-sparsearray</b> options is set to 0.
<p><p>
Command-Line Name:<b>-width</b><br>
Database Name: <b>width</b><br>
Database Class: <b>Width</b>
<p><p>
Specifies the desired width for the window, in columns. If zero
or less, then the desired width for the window is made just
large enough to hold all the columns in the table. The width
can be further limited by <b>-maxwidth</b>.
<p><p>
Command-Line Name:<b>-wrap</b><br>
Database Name: <b>wrap</b><br>
Database Class: <b>Wrap</b>
<p><p>
Specifies the default wrap value for tags. Defaults to 0.
_________________________________________________________________
<p>
<h2><a name='sect4' href='#toc4'><b>Description</b></a></h2>
<p>
The <b>table</b> command creates a 2-dimensional grid of cells. The table can
use a Tcl array variable or Tcl command for data storage and retrieval,
as well as optionally cache data in memory for speed. One of these
data sources <i>must</i> be configured before any data is retained by the table.
The widget has an active cell, the contents of which can be
edited (when the state is normal). The widget supports a default style
for the cells and also multiple <i>tags</i>, which can be used to change the
style of a row, column or cell (see TAGS for details). A cell <i>flash</i>
can be set up so that changed cells will change color for a specified
amount of time ("blink"). Cells can have embedded images or windows,
as described in TAGS and EMBEDDED WINDOWS respectively.
<p><p>
One or more cells may be selected as described below. If a table is
exporting its selection (see <b>-exportselection</b> option), then it will
observe the standard X11 protocols for handling the selection. See THE
SELECTION for details.
<p><p>
It is not necessary for all the cells to be displayed in the table window
at once; commands described below may be used to change the view in
the window. Tables allow scrolling in both directions using the standard
<b>-xscrollcommand</b> and <b>-yscrollcommand</b> options. They also support
scanning, as described below.
<p><p>
In order to obtain good performance, the table widget supports multiple
drawing modes, two of which are fully Tk compatible.
<p>
<h2><a name='sect5' href='#toc5'><b>Initialization</b></a></h2>
<p>
When the <b>table</b> command is loaded into an interpreter, a built-in Tcl
command, <b>tkTableInit</b>, is evaluated. This will search for the appropriate
table binding init file to load. The directories searched are
those in <i>$tcl</i><b>_</b><i>pkgPath</i>, both with Tktable(version) appended and without,
<i>$tk</i><b>_</b><i>library</i> and <i>[pwd]</i> (the current directory). You can also define an
<i>$env(TK</i><b>_</b><i>TABLE</i><b>_</b><i>LIBRARY)</i> to head this search list. By default, the file
searched for is called <b>tkTable.tcl</b>, but this can be overridden by setting
<i>$env(TK</i><b>_</b><i>TABLE</i><b>_</b><i>LIBRARY</i><b>_</b><i>FILE)</i>.
<p><p>
This entire init script can be overridden by providing your own
<b>tkTableInit</b> procedure before the library is loaded. Otherwise, the
aforementioned <i>env(TK</i><b>_</b><i>TABLE</i><b>_</b><i>LIBRARY)</i> variable will be set with the
directory in which <i>$env(TK</i><b>_</b><i>TABLE</i><b>_</b><i>LIBRARY</i><b>_</b><i>FILE)</i> was found.
<p>
<h2><a name='sect6' href='#toc6'><b>Indices</b></a></h2>
<p>
Many of the widget commands for tables take one or more indices as
arguments. An index specifies a particular cell of the table, in any
of the following ways:
<p><p>
<i>number,number</i><br>
Specifies the cell as a numerical index of row,col which
corresponds to the index of the associated Tcl array, where
<b>-roworigin,-colorigin</b> corresponds to the first cell in the
table (0,0 by default). The values for row and column will
be constrained to actual values in the table, which means a
valid cell is always found.
<p>
<dl>
<dt><b>active</b> </dt></dt>
<dd> Indicates the cell that has the location cursor. It is
specified with the <b>activate</b> widget command.
<p></dd>
<dt><b>anchor</b> </dt></dt>
<dd> Indicates the anchor point for the selection, which is set
with the <b>selection</b> <b>anchor</b> widget command.
<p></dd>
</dl>
<p>
<b>bottomright</b> Indicates the bottom-rightmost cell visible in the table.
<p>
<dl>
<dt><b>end</b> </dt></dt>
<dd> Indicates the bottom right cell of the table.
<p></dd>
<dt><b>origin</b> </dt></dt>
<dd> Indicates the top-leftmost editable cell of the table, not
necessarily in the display. This takes into account the
user specified origin and title area.
<p></dd>
<dt><b>topleft</b> </dt></dt>
<dd> Indicates the top-leftmost editable cell visible in the table
(this excludes title cells).
<p></dd>
<dt><b>@</b><i>x</i><b>,</b><i>y</i> </dt></dt>
<dd> Indicates the cell that covers the point in the table window
specified by <i>x</i> and <i>y</i> (in pixel coordinates). If no
cell covers that point, then the closest cell to that point
is used.
<p></dd>
</dl>
<p>
In the widget command descriptions below, arguments named <i>index</i>, <i>first</i>,
and <i>last</i> always contain text indices in one of the above forms.
<p>
<h2><a name='sect7' href='#toc7'><b>Tags</b></a></h2>
<p>
A tag is a textual string that is associated with zero or more rows,
columns or cells in a table. Tags may contain arbitrary characters,
but it is probably best to avoid using names which look like indices to
reduce coding confusion. A tag can apply to an entire row or column,
or just a single cell. There are several permanent tags in each table
that can be configured by the user and will determine the attributes
for special cells:
<p>
<dl>
<dt><b>active</b> </dt></dt>
<dd> This tag is given to the <i>active</i> cell
<p></dd>
<dt><b>flash</b> </dt></dt>
<dd> If flash mode is on, this tag is given to any recently
edited cells.
<p></dd>
<dt><b>sel</b> </dt></dt>
<dd> This tag is given to any selected cells.
<p></dd>
<dt><b>title</b> </dt></dt>
<dd> This tag is given to any cells in the title rows and
columns. This tag has <b>-state</b> <i>disabled</i> by default.
<p></dd>
</dl>
<p>
Tags control the way cells are displayed on the screen. Where appropriate,
the default for displaying cells is determined by the options
for the table widget. However, display options may be associated with
individual tags using the ``<i>pathName</i> <b>tag</b> <b>configure</b>'' widget command.
If a cell, row or column has been tagged, then the display options
associated with the tag override the default display style. The following
options are currently supported for tags:
<p>
<dl>
<dt><b>-anchor</b> <i>anchor</i></dt></dt>
<dd>
Anchor for item in the cell space.
<p></dd>
<dt><b>-background</b> or <b>-bg</b> <i>color</i></dt></dt>
<dd>
Background color of the cell.
<p></dd>
<dt><b>-borderwidth</b> or <b>-bd</b> <i>pixelList</i></dt></dt>
<dd>
Borderwidth of the cell, of the same format for the table,
but may also be empty to inherit the default table
borderwidth value (the default).
<p></dd>
<dt><b>-ellipsis</b> <i>string</i></dt></dt>
<dd>
String to display at the end of a line that would be
clipped by its cell, like ``...''. An ellipsis will be
displayed only on non-wrapping, non-multiline cells that
would be clipped. The ellipsis will display on the left
for east anchored cells, otherwise it displays on the
right.
<p></dd>
<dt><b>-font</b> <i>fontName</i></dt></dt>
<dd>
Font for text in the cell.
<p></dd>
<dt><b>-foreground</b> or <b>-fg</b> <i>color</i></dt></dt>
<dd>
Foreground color of the cell.
<p></dd>
<dt><b>-justify</b> <i>justify</i></dt></dt>
<dd>
How to justify multi-line text in a cell. It must be one
of <b>left</b>, <b>right</b>, or <b>center</b>.
<p></dd>
<dt><b>-image</b> <i>imageName</i></dt></dt>
<dd>
An image to display in the cell instead of text.
<p></dd>
<dt><b>-multiline</b> <i>boolean</i></dt></dt>
<dd>
Whether to display text with newlines on multiple lines.
<p></dd>
<dt><b>-relief</b> <i>relief</i></dt></dt>
<dd>
The relief for the cell. May be the empty string to
cause this tag to not disturb the value.
<p></dd>
<dt><b>-showtext</b> <i>boolean</i></dt></dt>
<dd>
Whether to show the text over an image.
<p></dd>
<dt><b>-state</b> <i>state</i></dt></dt>
<dd>
The state of the cell, to allow for certain cells to be
disabled. This prevents the cell from being edited by
the <i>insert</i> or <i>delete</i> methods, but a direct <i>set</i> will not
be prevented.
<p></dd>
<dt><b>-wrap</b> <i>boolean</i></dt></dt>
<dd>
Whether characters should wrap in a cell that is not wide
enough.
<p></dd>
</dl>
<p>
A priority order is defined among tags based on creation order (first
created tag has highest default priority), and this order is used in
implementing some of the tag-related functions described below. When a
cell is displayed, its properties are determined by the tags which are
assigned to it. The priority of a tag can be modified by the ``<i>path</i><b>_N</b><i>ame</i>
<b>tag</b> <b>lower</b>'' and ``<i>pathName</i> <b>tag</b> <b>raise</b>'' widget commands.
<p><p>
If a cell has several tags associated with it that define the same
display options (eg - a <b>title</b> cell with specific <b>row</b> and <b>cell</b> tags),
then the options of the highest priority tag are used. If a particular
display option hasn't been specified for a particular tag, or if it is
specified as an empty string, then that option will not be used; the
next-highest-priority tag's option will be used instead. If no tag
specifies a particular display option, then the default style for the
widget will be used.
<p><p>
Images are used for display purposes only. Editing in that cell will
still be enabled and any querying of the cell will show the text value
of the cell, regardless of the value of <b>-showtext</b>.
<p>
<h2><a name='sect8' href='#toc8'><b>Embedded</b> <b>Windows</b></a></h2>
<p>
There may be any number of embedded windows in a table widget (one per
cell), and any widget may be used as an embedded window (subject to the
usual rules for geometry management, which require the table window to
be the parent of the embedded window or a descendant of its parent).
The embedded window's position on the screen will be updated as the table
is modified or scrolled, and it will be mapped and unmapped as it
moves into and out of the visible area of the table widget. Each
embedded window occupies one cell's worth of space in the table widget,
and it is referred to by the index of the cell in the table. Windows
associated with the table widget are destroyed when the table widget is
destroyed.
<p><p>
Windows are used for display purposes only. A value still exists for
that cell, but will not be shown unless the window is deleted in some
way. If the window is destroyed or lost by the table widget to another
geometry manager, then any data associated with it is lost (the cell it
occupied will no longer appear in <b>window</b> <b>names</b>).
<p><p>
When an embedded window is added to a table widget with the window configure
widget command, several configuration options may be associated
with it. These options may be modified with later calls to the window
configure widget command. The following options are currently supported:
<p>
<dl>
<dt><b>-create</b> <i>script</i></dt></dt>
<dd>
NOT CURRENTLY SUPPORTED. Specifies a Tcl script that may
be evaluated to create the window for the annotation. If
no -window option has been specified for this cell then
this script will be evaluated when the cell is about to
be displayed on the screen. Script must create a window
for the cell and return the name of that window as its
result. If the cell's window should ever be deleted, the
script will be evaluated again the next time the cell is
displayed.
<p></dd>
<dt><b>-background</b> or <b>-bg</b> <i>color</i></dt></dt>
<dd>
Background color of the cell. If not specified, it uses
the table's default background.
<p></dd>
<dt><b>-borderwidth</b> or <b>-bd</b> <i>pixelList</i></dt></dt>
<dd>
Borderwidth of the cell, of the same format for the table,
but may also be empty to inherit the default table
borderwidth value (the default).
<p></dd>
<dt><b>-padx</b> <i>pixels</i></dt></dt>
<dd>
As defined in the Tk options man page.
<p></dd>
<dt><b>-pady</b> <i>pixels</i></dt></dt>
<dd>
As defined in the Tk options man page.
<p></dd>
<dt><b>-relief</b> <i>relief</i></dt></dt>
<dd>
The relief to use for the cell in which the window lies.
If not specified, it uses the table's default relief.
<p></dd>
<dt><b>-sticky</b> <i>sticky</i></dt></dt>
<dd>
Stickiness of the window inside the cell, as defined by
the <b>grid</b> command.
<p></dd>
<dt><b>-window</b> <i>pathName</i></dt></dt>
<dd>
Specifies the name of a window (widget) to display in the
annotation. It must exist before being specified here.
When an empty string is specified, if a window was displayed
it will cease to be managed by the table widget.
<p></dd>
</dl>
<h2><a name='sect9' href='#toc9'><b>the</b> <b>Selection</b></a></h2>
<p>
Table selections are available as type STRING. By default, the value
of the selection will be the values of the selected cells in nested Tcl
list form where each row is a list and each column is an element of a
row list. You can change the way this value is interpreted by setting
the <b>-rowseparator</b> and <b>-colseparator</b> options. For example, default
Excel format would be to set <b>-rowseparator</b> to `\n' and <b>-colseparator</b> to
`\t'. Changing these values affects both how the table sends out the
selection and reads in pasted data, ensuring that the table should
always be able to cut and paste to itself. It is possible to change
how pastes are handled by editing the table library procedure
<b>tk_tablePasteHandler</b>. This might be necessary if <b>-selectioncommand</b> is
set.
<p>
<h2><a name='sect10' href='#toc10'><b>Row/Col</b> <b>Spanning</b></a></h2>
<p>
Individual cells can span multiple rows and/or columns. This is done
via the <b>spans</b> command (see below for exact arguments). Cells in the
title area that span are not permitted to span beyond the title area,
and will be constrained accordingly. If the title area shrinks during
a configure, sanity checking will occur to ensure the above. You may
set spans on regular cells that extend beyond the defined row/col area.
These spans will not be constrained, so that when the defined row/col
area expands, the span will expand with it.
<p><p>
When setting a span, checks are made as to whether the span would overlap
an already spanning or hidden cell. This is an error and it not
allowed. Spans can affect the overall speed of table drawing, although
not significantly. If spans are not used, then there is no performance
loss.
<p><p>
Cells <i>hidden</i> by spanning cells still have valid data. This will be
seen during cut and paste operations that involve hidden cells, or
through direct access by a command like <b>get</b> or <b>set</b>.
<p><p>
The drawing properties of spanning cells apply to only the visual area
of the cell. For example, if a cell is center justified over 5
columns, then when viewing any portion of those columns, it will appear
centered in the visible area. The non-visible column area will not be
considered in the centering calculations.
<p>
<h2><a name='sect11' href='#toc11'><b>Command</b> <b>Substitution</b></a></h2>
<p>
The various option based commands that the table supports all support
the familiar Tk %-substitution model (see <b>bind</b> for more details). The
following %-sequences are recognized and substituted by the table widget:
<p><p>
<b>%c</b> For <b>SelectionCommand</b>, it is the maximum number of columns in any
row in the selection. Otherwise it is the column of the triggered
cell.
<p>
<dl>
<dt><b>%C</b> </dt></dt>
<dd>A convenience substitution for <i>%r</i>,<i>%c</i>.
<p></dd>
</dl>
<p>
<b>%i</b> For <b>SelectionCommand</b>, it is the total number of cells in the
selection. For <b>Command</b>, it is 0 for a read (get) and 1 for a
write (set). Otherwise it is the current cursor position in the
cell.
<p><p>
<b>%r</b> For <b>SelectionCommand</b>, it is the number of rows in the selection.
Otherwise it is the row of the triggered cell.
<p><p>
<b>%s</b> For <b>ValidateCommand</b>, it is the current value of the cell being
validated. For <b>SelectionCommand</b>, it is the default value of the
selection. For <b>BrowseCommand</b>, it is the index of the last active
cell. For <b>Command</b>, it is empty for reads (get) and the current
value of the cell for writes (set).
<p><p>
<b>%S</b> For <b>ValidateCommand</b>, it is the potential new value of the cell
being validated. For <b>BrowseCommand</b>, it is the index of the new
active cell.
<p>
<dl>
<dt><b>%W</b> </dt></dt>
<dd>The pathname to the window for which the command was generated.
<p></dd>
</dl>
<h2><a name='sect12' href='#toc12'><b>Widget</b> <b>Command</b></a></h2>
<p>
The <b>table</b> command creates a new Tcl command whose name is <i>pathName</i>.
This command may be used to invoke various operations on the widget.
It has the following general form:<br>
<i>pathName</i> <i>option</i> ?<i>arg</i> <i>arg</i> <i>...</i>?<br>
<i>Option</i> and the <i>arg</i>s determine the exact behavior of the command.
<p><p>
The following commands are possible for <b>table</b> widgets:
<p><p>
<i>pathName</i> <b>activate</b> <i>index</i><br>
Sets the active cell to the one indicated by <i>index</i>.
<p><p>
<i>pathName</i> <b>bbox</b> <i>first</i> ?<i>last</i>?<br>
It returns the bounding box for the specified cell (range) as a
4-tuple of x, y, width and height in pixels. It clips the box
to the visible portion, if any, otherwise an empty string is
returned.
<p><p>
<i>pathName</i> <b>border</b> <i>option</i> <i>args</i><br>
This command is a voodoo hack to implement border sizing for
tables. This is normally called through bindings, with the following
as valid options:
<p><p>
<i>pathName</i> <b>border</b> <b>mark</b> <i>x</i> <i>y</i> ?<i>row|col</i>?
Records <i>x</i> and <i>y</i> and the row and/or column border under
that point in the table window, if any; used in conjunction
with later <b>border</b> <b>dragto</b> commands. Typically this
command is associated with a mouse button press in the
widget. If <i>row</i> or <i>col</i> is not specified, it returns a
tuple of both border indices (an empty item means no border).
Otherwise, just the specified item is returned.
<p><p>
<i>pathName</i> <b>border</b> <b>dragto</b> <i>x</i> <i>y</i><br>
This command computes the difference between its <i>x</i> and <i>y</i>
arguments and the <i>x</i> and <i>y</i> arguments to the last <b>border</b>
<b>mark</b> command for the widget. It then adjusts the previously
marked border by the difference. This command is
typically associated with mouse motion events in the widget,
to produce the effect of interactive border resizing.
<p><p>
<i>pathName</i> <b>cget</b> <i>option</i><br>
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 <b>table</b>
command.
<p><p>
<i>pathName</i> <b>clear</b> <i>option</i> ?<i>first</i>? ?<i>last</i>?<br>
This command is a convenience routine to clear certain state
information managed by the table. <i>first</i> and <i>last</i> represent
valid table indices. If neither are specified, then the command
operates on the whole table. The following options are recognized:
<p><p>
<i>pathName</i> <b>clear</b> <b>cache</b> ?<i>first</i>? ?<i>last</i>?
Clears the specified section of the cache, if the table
has been keeping one.
<p><p>
<i>pathName</i> <b>clear</b> <b>sizes</b> ?<i>first</i>? ?<i>last</i>?
Clears the specified row and column areas of specific
height/width dimensions. When just one index is specified,
for example <b>2,0</b>, that is interpreted as row 2 <b>and</b>
column 0.
<p><p>
<i>pathName</i> <b>clear</b> <b>tags</b> ?<i>first</i>? ?<i>last</i>?
Clears the specified area of tags (all row, column and
cell tags).
<p><p>
<i>pathName</i> <b>clear</b> <b>all</b> ?<i>first</i>? ?<i>last</i>?
Performs all of the above clear functions on the specified
area.
<p><p>
<i>pathName</i> <b>configure</b> ?<i>option</i>? ?<i>value</i> <i>option</i> <i>value</i> <i>...</i>?
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> (see <b>Tk_ConfigureInfo</b> for information
on the format of this list). If <i>option</i> is specified with no
<i>value</i>, 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> 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 <b>table</b> command.
<p><p>
<i>pathName</i> <b>curselection</b> ?<i>value</i>?<br>
With no arguments, it returns the sorted indices of the currently
selected cells. Otherwise it sets all the selected cells
to the given value. The set has no effect if there is no associated
Tcl array or the state is disabled.
<p><p>
<i>pathName</i> <b>curvalue</b> ?<i>value</i>?<br>
If no value is given, the value of the cell being edited
(indexed by <b>active</b>) is returned, else it is set to the given
value.
<p><p>
<i>pathName</i> <b>delete</b> <i>option</i> <i>arg</i> ?<i>arg</i>?<br>
This command is used to delete various things in a table. It
has several forms, depending on the <i>option</i>:
<p><p>
<i>pathName</i> <b>delete</b> <b>active</b> <i>index</i> ?<i>index</i>?
Deletes text from the active cell. If only one index is
given, it deletes the character after that index, otherwise
it deletes from the first index to the second.
<i>index</i> can be a number, <b>insert</b> or <b>end</b>.
<p><p>
<i>pathName</i> <b>delete</b> <b>cols</b> ?<i>switches</i>? <i>index</i> ?<i>count</i>?
Deletes <i>count</i> cols starting at (and including) col <i>index</i>.
The <i>index</i> will be constrained to the limits of the
tables. If <i>count</i> is negative, it deletes cols to the
left. Otherwise it deletes cols to the right. <i>count</i>
defaults to 1 (meaning just the column specified). At
the moment, spans are not adjusted with this action.
Optional switches are:
<p>
<dl>
<dt><b>-holddimensions</b></dt></dt>
<dd>
Causes the table cols to be unaffected by the
deletion (empty cols may appear). By default the
dimensions are adjusted by <b>count</b>.
<p></dd>
<dt><b>-holdselection</b></dt></dt>
<dd>
Causes the selection to be maintained on the
absolute cells values. Otherwise, the selection
will be cleared..
<p></dd>
<dt><b>-holdtags</b></dt></dt>
<dd>
Causes the tags specified by the <i>tag</i> method to
not move along with the data. Also prevents specific
widths set by the <i>width</i> method from being
adjusted. By default, these tags are properly
adjusted.
<p></dd>
<dt><b>-holdwindows</b></dt></dt>
<dd>
Causes the embedded windows created with the <i>win</i><b>_</b>d<i>ow</i>
method to not move along with the data. By
default, these windows are properly adjusted.
<p></dd>
<dt><b>-keeptitles</b></dt></dt>
<dd>
Prevents title area cells from being changed.
Otherwise they are treated just like regular
cells and will move as specified.
<p></dd>
<dt><b>--</b> </dt></dt>
<dd> Signifies the end of the switches.
<p></dd>
</dl>
<p>
<i>pathName</i> <b>delete</b> <b>rows</b> ?<i>switches</i>? <i>index</i> ?<i>count</i>?
Deletes <b>count</b> rows starting at (and including) row <b>index</b>.
If <b>count</b> is negative, it deletes rows going up. Otherwise
it deletes rows going down. The selection will be
cleared. The switches are the same as those for column
deletion.
<p><p>
<i>pathName</i> <b>get</b> <i>first</i> ?<i>last</i>?<br>
Returns the value of the cells specified by the table indices
<i>first</i> and (optionally) <i>last</i> in a list.
<p><p>
<i>pathName</i> <b>height</b> ?<i>row</i>? ?<i>value</i> <i>row</i> <i>value</i> <i>...</i>?
If no <i>row</i> is specified, returns a list describing all rows for
which a height has been set. If <b>row</b> is specified with no value,
it prints out the height of that row in characters (positive
number) or pixels (negative number). If one or more <i>row-value</i>
pairs are specified, then it sets each row to be that height in
lines (positive number) or pixels (negative number). If <i>value</i>
is <i>default</i>, then the row uses the default height, specified by
<b>-rowheight</b>.
<p><p>
<i>pathName</i> <b>hidden</b> ?<i>index</i>? ?<i>index</i> <i>...</i>?<br>
When called without args, it returns all the <i>hidden</i> cells (those
cells covered by a spanning cell). If one index is specified,
it returns the spanning cell covering that index, if any. If
multiple indices are specified, it returns 1 if all indices are
hidden cells, 0 otherwise.
<p><p>
<i>pathName</i> <b>icursor</b> ?<i>arg</i>?<br>
With no arguments, prints out the location of the insertion cursor
in the active cell. With one argument, sets the cursor to
that point in the string. 0 is before the first character, you
can also use <b>insert</b> or <b>end</b> for the current insertion point or
the end of the text. If there is no active cell, or the cell or
table is disabled, this will return -1.
<p><p>
<i>pathName</i> <b>index</b> <i>index</i> ?<i>row|col</i>?<br>
Returns the integer cell coordinate that corresponds to <i>index</i> in
the form row,col. If <b>row</b> or <b>col</b> is specified, then only the row
or column index is returned.
<p><p>
<i>pathName</i> <b>insert</b> <i>option</i> <i>arg</i> <i>arg</i><br>
This command is used to into various things into a table. It
has several forms, depending on the <i>option</i>:
<p><p>
<i>pathName</i> <b>insert</b> <b>active</b> <i>index</i> <i>value</i>
The <i>value</i> is a text string which is inserted at the <i>index</i>
position of the active cell. The cursor is then positioned
after the new text. <i>index</i> can be a number, <b>insert</b>
or <b>end</b>.
<p><p>
<i>pathName</i> <b>insert</b> <b>cols</b> ?<i>switches</i>? <i>index</i> ?<i>count</i>?
Inserts <b>count</b> cols starting at col <b>index</b>. If <b>count</b> is
negative, it inserts before the specified col. Otherwise
it inserts after the specified col. The selection will
be cleared. The switches are the same as those for column
deletion.
<p><p>
<i>pathName</i> <b>insert</b> <b>rows</b> ?<i>switches</i>? <i>index</i> ?<i>count</i>?
Inserts <b>count</b> rows starting at row <b>index</b>. If <b>count</b> is
negative, it inserts before the specified row. Otherwise
it inserts after the specified row. The selection will
be cleared. The switches are the same as those for column
deletion.
<p><p>
<i>pathName</i> <b>reread</b><br>
Rereads the old contents of the cell back into the editing
buffer. Useful for a key binding when <Escape> is pressed to
abort the edit (a default binding).
<p><p>
<i>pathName</i> <b>scan</b> <i>option</i> <i>args</i><br>
This command is used to implement scanning on tables. It has
two forms, depending on <i>option</i>:
<p><p>
<i>pathName</i> <b>scan</b> <b>mark</b> <i>x</i> <i>y</i><br>
Records <i>x</i> and <i>y</i> and the current view in the table window;
used in conjunction with later <b>scan</b> <b>dragto</b> commands.
Typically this command is associated with a mouse button
press in the widget. It returns an empty string.
<p><p>
<i>pathName</i> <b>scan</b> <b>dragto</b> <i>x</i> <i>y</i>.<br>
This command computes the difference between its <i>x</i> and <i>y</i>
arguments and the <i>x</i> and <i>y</i> arguments to the last <b>scan</b> <b>mark</b>
command for the widget. It then adjusts the view by 5
times the difference in coordinates. This command is
typically associated with mouse motion events in the widget,
to produce the effect of dragging the list at high
speed through the window. The return value is an empty
string.
<p><p>
<i>pathName</i> <b>see</b> <i>index</i><br>
Adjust the view in the table so that the cell given by <i>index</i> is
positioned as the cell one off from top left (excluding title
rows and columns) if the cell is not currently visible on the
screen. The actual cell may be different to keep the screen
full.
<p><p>
<i>pathName</i> <b>selection</b> <i>option</i> <i>arg</i><br>
This command is used to adjust the selection within a table. It
has several forms, depending on <i>option</i>:
<p><p>
<i>pathName</i> <b>selection</b> <b>anchor</b> <i>index</i><br>
Sets the selection anchor to the cell given by <i>index</i>.
The selection anchor is the end of the selection that is
fixed while dragging out a selection with the mouse. The
index <b>anchor</b> may be used to refer to the anchor cell.
<p><p>
<i>pathName</i> <b>selection</b> <b>clear</b> <i>first</i> ?<i>last</i>?
If any of the cells between <i>first</i> and <i>last</i> (inclusive)
are selected, they are deselected. The selection state
is not changed for cells outside this range. <i>first</i> may
be specified as <b>all</b> to remove the selection from all
cells.
<p><p>
<i>pathName</i> <b>selection</b> <b>includes</b> <i>index</i>
Returns 1 if the cell indicated by <i>index</i> is currently
selected, 0 if it isn't.
<p><p>
<i>pathName</i> <b>selection</b> <b>set</b> <i>first</i> ?<i>last</i>?
Selects all of the cells in the range between <i>first</i> and
<i>last</i>, inclusive, without affecting the selection state of
cells outside that range.
<p><p>
<i>pathName</i> <b>set</b> ?<i>row|col</i>? <i>index</i> ?<i>value</i>? ?<i>index</i> <i>value</i> <i>...</i>?
Sets the specified index to the associated value. Table validation
will not be triggered via this method. If <b>row</b> or <b>col</b> precedes
the list of index/value pairs, then the value is assumed
to be a Tcl list whose values will be split and set into the
subsequent columns (if <b>row</b> is specified) or rows (for <b>col</b>). For
example, <b>set</b> <b>row</b> <b>2,3</b> <b>{2,3</b> <b>2,4</b> <b>2,5}</b> will set 3 cells, from 2,3 to
2,5. The setting of cells is silently bounded by the known table
dimensions.
<p><p>
<i>pathName</i> <b>spans</b> ?<i>index</i>? ?<i>rows,cols</i> <i>index</i> <i>rows,cols</i> <i>...</i>?
This command is used to manipulate row/col spans. When called
with no arguments, all known spans are returned as a list of
tuples of the form {index span}. When called with only the
<i>index</i>, the span for that <i>index</i> only is returned, if any. Otherwise
an even number of <i>index</i> <i>rows,cols</i> pairs are used to set
spans. A span starts at the <i>index</i> and continues for the specified
number of rows and cols. Negative spans are not supported.
A span of 0,0 unsets any span on that cell. See EXAMPLES for
more info.
<p><p>
<i>pathName</i> <b>tag</b> option ?<i>arg</i> <i>arg</i> <i>...</i>?<br>
This command is used to manipulate tags. The exact behavior of
the command depends on the <i>option</i> argument that follows the <b>tag</b>
argument. <i>cget</i>, <i>cell</i>, and <i>row|col</i> complain about unknown tag
names. The following forms of the command are currently supported:
<p><p>
<i>pathName</i> <b>tag</b> <b>cell</b> <i>tagName</i> <i>?index</i> <i>...?</i>
With no arguments, prints out the list of cells that use
the <i>tag</i>. Otherwise it sets the specified cells to use
the named tag, replacing any tag that may have been set
using this method before. If <i>tagName</i> is {}, the cells
are reset to the default <i>tag</i>. Tags added during -*tagcommand
evaluation do not register here. If <i>tagName</i> does
not exist, it will be created with the default options.
<p><p>
<i>pathName</i> <b>tag</b> <b>cget</b> <i>tagName</i> <i>option</i>
This command returns the current value of the option
named <i>option</i> associated with the tag given by <i>tagName</i>.
<i>Option</i> may have any of the values accepted by the <b>tag</b>
<b>configure</b> widget command.
<p><p>
<i>pathName</i> <b>tag</b> <b>col</b> <i>tagName</i> <i>?col</i> <i>...?</i>
With no arguments, prints out the list of cols that use
the <i>tag</i>. Otherwise it sets the specified columns to use
the named tag, replacing any tag that may have been set
using this method before. If <i>tagName</i> is {}, the cols are
reset to the default <i>tag</i>. Tags added during -coltagcommand
evaluation do not register here. If <i>tagName</i> does
not exist, it will be created with the default options.
<p><p>
<i>pathName</i> <b>tag</b> <b>configure</b> <i>tagName</i> ?<i>option</i>? ?<i>value</i>? ?<i>option</i> <i>value</i>
<i>...</i>?<br>
This command is similar to the <b>configure</b> widget command
except that it modifies options associated with the tag
given by <i>tagName</i> instead of modifying options for the
overall table widget. If no <i>option</i> is specified, the
command returns a list describing all of the available
options for <i>tagName</i> (see <b>Tk_ConfigureInfo</b> for information
on the format of this list). If <i>option</i> is specified with
no <i>value</i>, 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> is
specified). If one or more <i>option-value</i> pairs are specified,
then the command modifies the given option(s) to
have the given value(s) in <i>tagName</i>; in this case the command
returns an empty string. See TAGS above for details
on the options available for tags.
<p><p>
<i>pathName</i> <b>tag</b> <b>delete</b> <i>tagName</i><br>
Deletes a tag. No error if the tag does not exist.
<p><p>
<i>pathName</i> <b>tag</b> <b>exists</b> <i>tagName</i><br>
Returns 1 if the named tag exists, 0 otherwise.
<p><p>
<i>pathName</i> <b>tag</b> <b>includes</b> <i>tagName</i> <i>index</i>
Returns 1 if the specified index has the named tag, 0
otherwise.
<p><p>
<i>pathName</i> <b>tag</b> <b>lower</b> <i>tagName</i> ?<i>belowThis</i>?
Lower the priority of the named tag. If <i>belowThis</i> is not
specified, then the tag's priority is lowered to the bottom,
otherwise it is lowered to one below <i>belowThis</i>.
<p><p>
<i>pathName</i> <b>tag</b> <b>names</b> ?<i>pattern</i>?<br>
If no pattern is specified, shows the names of all
defined tags. Otherwise the <i>pattern</i> is used as a glob
pattern to show only tags matching that pattern. Tag
names are returned in priority order (highest priority
tag first).
<p><p>
<i>pathName</i> <b>tag</b> <b>raise</b> <i>tagName</i> ?<i>aboveThis</i>?
Raise the priority of the named tag. If <i>aboveThis</i> is not
specified, then the tag's priority is raised to the top,
otherwise it is raised to one above <i>aboveThis</i>.
<p><p>
<i>pathName</i> <b>tag</b> <b>row</b> <i>tagName</i> ?<i>row</i> <i>...</i>?
With no arguments, prints out the list of rows that use
the <i>tag</i>. Otherwise it sets the specified rows to use the
named tag, replacing any tag that may have been set using
this method before. If <i>tagName</i> is {}, the rows are reset
to use the default tag. Tags added during -rowtagcommand
evaluation do not register here. If <i>tagName</i> does not
exist, it will be created with the default options.
<p><p>
<i>pathName</i> <b>validate</b> <i>index</i><br>
Explicitly validates the specified index based on the current
<b>-validatecommand</b> and returns 0 or 1 based on whether the cell
was validated.
<p><p>
<i>pathName</i> <b>width</b> ?<i>col</i>? ?<i>value</i> <i>col</i> <i>value</i> <i>...</i>?
If no <i>col</i> is specified, returns a list describing all cols for
which a width has been set. If <b>col</b> is specified with no value,
it prints out the width of that col in characters (positive number)
or pixels (negative number). If one or more <i>col-value</i>
pairs are specified, then it sets each col to be that width in
characters (positive number) or pixels (negative number). If
<i>value</i> is <i>default</i>, then the col uses the default width, specified
by <b>-colwidth</b>.
<p><p>
<i>pathName</i> <b>window</b> option ?<i>arg</i> <i>arg</i> <i>...</i>?<br>
This command is used to manipulate embedded windows. The exact
behavior of the command depends on the <i>option</i> argument that follows
the <b>window</b> argument. The following forms of the command
are currently supported:
<p><p>
<i>pathName</i> <b>window</b> <b>cget</b> <i>index</i> <i>option</i>
This command returns the current value of the option
named <i>option</i> associated with the window given by <i>index</i>.
<i>Option</i> may have any of the values accepted by the <b>window</b>
<b>configure</b> widget command.
<p><p>
<i>pathName</i> <b>window</b> <b>configure</b> <i>index</i> ?<i>option</i>? ?<i>value</i>? ?<i>option</i> <i>value</i>
<i>...</i>?<br>
This command is similar to the <b>configure</b> widget command
except that it modifies options associated with the
embedded window given by <i>index</i> instead of modifying
options for the overall table widget. If no <i>option</i> is
specified, the command returns a list describing all of
the available options for <i>index</i> (see <b>Tk_ConfigureInfo</b> for
information on the format of this list). If <i>option</i> is
specified with no <i>value</i>, 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> is specified). If one or more <i>option-value</i>
pairs are specified, then the command modifies the given
option(s) to have the given value(s) in <i>index</i>; in this
case the command returns an empty string. See EMBEDDED
WINDOWS above for details on the options available for
windows.
<p><p>
<i>pathName</i> <b>window</b> <b>delete</b> <i>index</i> ?<i>index</i> <i>...</i>?
Deletes an embedded window from the table. The associated
window will also be deleted.
<p><p>
<i>pathName</i> <b>window</b> <b>move</b> <i>indexFrom</i> <i>indexTo</i>
Moves an embedded window from one cell to another. If a
window already exists in the target cell, it will be
deleted.
<p><p>
<i>pathName</i> <b>window</b> <b>names</b> ?<i>pattern</i>?<br>
If no pattern is specified, shows the cells of all embedded
windows. Otherwise the <i>pattern</i> is used as a glob
pattern to show only cells matching that pattern.
<p><p>
<i>pathName</i> <b>xview</b> <i>args</i><br>
This command is used to query and change the horizontal position
of the information in the widget's window. It can take any of
the following forms:
<p><p>
<i>pathName</i> <b>xview</b><br>
Returns a list containing two elements. Each element is
a real fraction between 0 and 1; together they describe
the horizontal span that is visible in the window. For
example, if the first element is .2 and the second element
is .6, 20% of the table's text is off-screen to the
left, the middle 40% is visible in the window, and 40% of
the text is off-screen to the right. These are the same
values passed to scrollbars via the <b>-xscrollcommand</b>
option.
<p><p>
<i>pathName</i> <b>xview</b> <i>index</i><br>
Adjusts the view in the window so that the column given
by <i>index</i> is displayed at the left edge of the window.
<p><p>
<i>pathName</i> <b>xview</b> <b>moveto</b> <i>fraction</i><br>
Adjusts the view in the window so that <i>fraction</i> of the
total width of the table text is off-screen to the left.
<i>fraction</i> must be a fraction between 0 and 1.
<p><p>
<i>pathName</i> <b>xview</b> <b>scroll</b> <i>number</i> <i>what</i>
This command shifts the view in the window left or right
according to <i>number</i> and <i>what</i>. <i>Number</i> must be an integer.
<i>What</i> must be either <b>units</b> or <b>pages</b> or an abbreviation of
one of these. If <i>what</i> is <b>units</b>, the view adjusts left or
right by <i>number</i> cells on the display; if it is <b>pages</b> then
the view adjusts by <i>number</i> screenfuls. If <i>number</i> is negative
then cells farther to the left become visible; if
it is positive then cells farther to the right become
visible.
<p><p>
<i>pathName</i> <b>yview</b> <i>?args</i>?<br>
This command is used to query and change the vertical position
of the text in the widget's window. It can take any of the following
forms:
<p><p>
<i>pathName</i> <b>yview</b><br>
Returns a list containing two elements, both of which are
real fractions between 0 and 1. The first element gives
the position of the table element at the top of the window,
relative to the table as a whole (0.5 means it is
halfway through the table, for example). The second element
gives the position of the table element just after
the last one in the window, relative to the table as a
whole. These are the same values passed to scrollbars
via the <b>-yscrollcommand</b> option.
<p><p>
<i>pathName</i> <b>yview</b> <i>index</i><br>
Adjusts the view in the window so that the row given by
<i>index</i> is displayed at the top of the window.
<p><p>
<i>pathName</i> <b>yview</b> <b>moveto</b> <i>fraction</i><br>
Adjusts the view in the window so that the element given
by <i>fraction</i> appears at the top of the window. <i>Fraction</i>
is a fraction between 0 and 1; 0 indicates the first
element in the table, 0.33 indicates the element
one-third the way through the table, and so on.
<p><p>
<i>pathName</i> <b>yview</b> <b>scroll</b> <i>number</i> <i>what</i>
This command adjusts the view in the window up or down
according to <i>number</i> and <i>what</i>. <i>Number</i> must be an integer.
<i>What</i> must be either <b>units</b> or <b>pages</b>. If <i>what</i> is <b>units</b>,
the view adjusts up or down by <i>number</i> cells; if it is
<b>pages</b> then the view adjusts by <i>number</i> screenfuls. If
<i>number</i> is negative then earlier elements become visible;
if it is positive then later elements become visible.
<p>
<h2><a name='sect13' href='#toc13'><b>Default</b> <b>Bindings</b></a></h2>
<p>
The initialization creates class bindings that give the following
default behaviour:
<p>
<dl>
<dt>[1] </dt></dt>
<dd> Clicking Button-1 in a cell activates that cell. Clicking into
an already active cell moves the insertion cursor to the character
nearest the mouse.
<p></dd>
<dt>[2] </dt></dt>
<dd> Moving the mouse while Button-1 is pressed will stroke out a
selection area. Exiting while Button-1 is pressed causing scanning
to occur on the table along with selection.
<p></dd>
<dt>[3] </dt></dt>
<dd> Moving the mouse while Button-2 is pressed causes scanning to
occur without any selection.
<p></dd>
<dt>[4] </dt></dt>
<dd> Home moves the table to have the origin in view.
<p></dd>
<dt>[5] </dt></dt>
<dd> End moves the table to have the <b>end</b> cell in view.
<p></dd>
<dt>[6] </dt></dt>
<dd> Control-Home moves the table to the origin and activates that
cell.
<p></dd>
<dt>[7] </dt></dt>
<dd> Control-End moves the table to the end and activates that cell.
<p></dd>
<dt>[8] </dt></dt>
<dd> Shift-Control-Home extends the selection to the origin.
<p></dd>
<dt>[9] </dt></dt>
<dd> Shift-Control-End extends the selection to the end.
<p></dd>
<dt>[10] </dt></dt>
<dd>The left, right, up and down arrows move the active cell.
<p></dd>
<dt>[11] </dt></dt>
<dd>Shift-<arrow> extends the selection in that direction.
<p></dd>
<dt>[12] </dt></dt>
<dd>Control-leftarrow and Control-rightarrow move the insertion cursor
within the cell.
<p></dd>
<dt>[13] </dt></dt>
<dd>Control-slash selects all the cells.
<p></dd>
<dt>[14] </dt></dt>
<dd>Control-backslash clears selection from all the cells.
<p></dd>
</dl>
<p>
[15] Backspace deletes the character before the insertion cursor in
the active cell.
<p><p>
[16] Delete deletes the character after the insertion cursor in the
active cell.
<p><p>
[17] Escape rereads the value of the active cell from the specified
data source, discarding any edits that have may been performed
on the cell.
<p><p>
[18] Control-a moves the insertion cursor to the beginning of the
active cell.
<p><p>
[19] Control-e moves the insertion cursor to the end of the active
cell.
<p>
<dl>
<dt>[20] </dt></dt>
<dd>Control-minus and Control-equals decrease and increase the width
of the column with the active cell in it.
<p></dd>
<dt>[21] </dt></dt>
<dd>Moving the mouse while Button-3 (the right button on Windows) is
pressed while you are over a border will cause interactive
resizing of that row and/or column to occur, based on the value
of <b>-resizeborders</b>.
<p></dd>
</dl>
<p>
Some bindings may have slightly different behavior dependent on the
<b>-selectionmode</b> of the widget.
<p><p>
If the widget is disabled using the <b>-state</b> option, then its view can
still be adjusted and cells can still be selected, but no insertion
cursor will be displayed and no cell modifications will take place.
<p><p>
The behavior of tables can be changed by defining new bindings for
individual widgets or by redefining the class bindings. The default
bindings are either compiled in or read from a file expected to correspond
to: [lindex $tcl_pkgPath 0]/Tktable<version>/tkTable.tcl".
<p>
<h2><a name='sect14' href='#toc14'><b>Performance</b> <b>Issues</b></a></h2>
<p>
The number of rows and columns or a table widget should not significantly
affect the speed of redraw. Recalculation and redraw of table
parameters and cells is restricted as much as possible.
<p><p>
The display cell with the insert cursor is redrawn each time the cursor
blinks, which causes a steady stream of graphics traffic. Set the
<b>-insertofftime</b> option to 0 avoid this. The use of a <b>-command</b> with the
table without a cache can cause significant slow-down, as the command
is called once for each request of a cell value.
<p>
<h2><a name='sect15' href='#toc15'><b>Examples</b></a></h2>
<p>
Set the topleft title area to be one spanning cell. This overestimates
both row and column span by one, but the command does all the constraining
for us.<br>
$table span [$table cget -roworigin],[$table cget -colorigin] [$table cget -titlerows],[$table cget -titlecols]
Force a table window refresh (useful for the slight chance that a bug
in the table is not causing proper refresh):
$table configure -padx [$table cget -padx]
<p>
<h2><a name='sect16' href='#toc16'><b>Keywords</b></a></h2>
<p>
table, widget, extension
<p>
<hr><p>
<a name='toc'><b>Table of Contents</b></a><p>
<ul>
<li><a name='toc0' href='#sect0'>Name</a></li>
<li><a name='toc1' href='#sect1'>Synopsis</a></li>
<li><a name='toc2' href='#sect2'>Standard Options</a></li>
<li><a name='toc3' href='#sect3'>Widget-specific Options</a></li>
<li><a name='toc4' href='#sect4'>Description</a></li>
<li><a name='toc5' href='#sect5'>Initialization</a></li>
<li><a name='toc6' href='#sect6'>Indices</a></li>
<li><a name='toc7' href='#sect7'>Tags</a></li>
<li><a name='toc8' href='#sect8'>Embedded Windows</a></li>
<li><a name='toc9' href='#sect9'>the Selection</a></li>
<li><a name='toc10' href='#sect10'>Row/Col Spanning</a></li>
<li><a name='toc11' href='#sect11'>Command Substitution</a></li>
<li><a name='toc12' href='#sect12'>Widget Command</a></li>
<li><a name='toc13' href='#sect13'>Default Bindings</a></li>
<li><a name='toc14' href='#sect14'>Performance Issues</a></li>
<li><a name='toc15' href='#sect15'>Examples</a></li>
<li><a name='toc16' href='#sect16'>Keywords</a></li>
</ul>
</body>
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