ItemSize

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`ItemSize`

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ItemSize

is an option for Grid, Column, and related constructs that specifies the sizes to allow for items.

Details

Typical basic settings include:

	Automatic	separately size items to fit within the total formatting width
	All	make all items the same width and height
	Full	allow every item its full width and height
	w	give all items width w
	Scaled[s]	give all items a fraction s of the total formatting width
	{w,h}	make all items the specified width and height

In Grid, w is measured in ems, and h in line heights.
The settings for ItemSize can be given as follows to apply separately to different items:

	spec	apply spec to all items
	{spec_x}	apply spec_x at successive horizontal positions
	{spec_x,spec_y}	apply spec_k at successive horizontal and vertical positions
	{spec_x,spec_y,rules}	also allow explicit rules for individual i,j elements

The spec_k can have the following forms:

	{s₁,s₂,…,s_n}	use s₁ through s_n; then use defaults
	{{c}}	use c in all cases
	{{c₁,c₂}}	alternate between c₁ and c₂
	{{c₁,c₂,…}}	cycle through all c_i
	{s,{c}}	use s, then repeatedly use c
	{s₁,{c},s_n}	use s₁, then repeatedly use c, but use s_n at the end
	{s₁,s₂,…,{c₁,c₂,…},s_m,…,s_n}	use the first sequence of s_i at the beginning, then cyclically use the c_i, then use the last sequence of s_i at the end
	{s₁,s₂,…,{},s_m,…,s_n}	use the first sequence of s_i at the beginning and the last sequence at the end
	{i₁->v₁,i₂->v₂,…}	specify what to use at positions i_k
	{spec,rules}	use rules to override specifications in spec

Examples

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Basic Examples (3)Summary of the most common use cases

Make each item a fixed number of character widths wide:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-wjgp5y

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Make each column a fraction of the document width:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-svsmhb

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ItemSize->Automatic line-wraps textual elements at the page width:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-jqh95g

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Scope (4)Survey of the scope of standard use cases

Leave the same amount of space for all items:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-c0e4l

Out[1]=1

Draw items big enough to fit all contents without line breaks:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-g1afwu

Out[1]=1

Set a minimum height for all items:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-2htlm6

Out[1]=1

Set the third element of the second column to be 6 ems by 2 line heights:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-b8qp50

Out[1]=1

Properties & Relations (2)Properties of the function, and connections to other functions

Controls and graphics will by default expand to fit the available area:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-wo7ayd

Out[1]=1

The space allocated by ItemSize is added to the space allocated by Spacings:

In[1]:=1

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https://wolfram.com/xid/0j43oug6-jw277n

Out[1]=1

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