Create a list of pack options used during widget creation

These pack options specify how a widget is packed into its parent element.

pack_opts(anchor, expand, fill, ipadx, ipady, padx, pady, side, ...)

Arguments

anchor

Specify where to position content within its parent. Defaults to 'center'. The alternative is to specify a string consisting only of the letters 'n', 's', 'e', 'w', to indicate the compass direction to anchor to. e.g. 'w', or 'sw' for 'west' (left) or 'southwest' respectively.

expand

Should the content should be expanded to consume extra space in its parent container? Default: TRUE

fill

If parent size is larger than its requested dimensions, this option may be used to stretch the content.

none

No stretching of widget

x

Stretch the content horizontally to fill the space

y

Stretch the content vertically to fill the space

both

Stretch the content horizontally and vertically to fill the space

ipadx, ipady

How much horizontal/vertical internal padding to leave on the side of each element.

If you are familiar with HTML/CSSThis is analogous to CSS margin.

padx, pady

How much horizontal/vertical external padding to leave on the side of each element. This may be two values in order to specify different padding for left vs right, or top vs bottom.

If you are familiar with HTML/CSSThis is analogous to CSS margin.

side

Which side of the container the content will be packed against? Possible values: left, right, top, bottom

...

extra named args used by the packing spec.

tcl/tk

See tcl/tk documentation for more information on the packing specification https://www.tcl.tk/man/tcl8.6/TkCmd/pack.html