I have created palette with 3 buttons next to each other that allow me to change the justification the current cell in the notebooks to: Left, Center, and Right.

I want the buttons to dynamically highlight (in red) whether the cell is currently left, center or right justified. It was able to get the code below to work in a docked cell perfectly, but not in a palette. I'm not sure why.


            Grid[{{"---"}, {"--"}, {"---"}, {"-"}}, 
             BaseStyle -> {9, "Label", Bold},

             ItemStyle -> 
                   TextAlignment] == #]], Red],
             Alignment -> {"Columns" -> {{#}}},
             Spacings -> {"Columns" -> {{0}}, "Rows" -> {{-.8}}}
             ], {SelectionMove[InputNotebook[], All, Cell], 
              TextAlignment -> #]}, Appearance -> "Palette",
            ImageSize -> 24] & /@ {Left, Center, Right}}], 
       ImageSize -> {4, 1}*24, BaselinePosition -> Axis], "Alignment", 
      TooltipDelay -> 0]}}]];

It does change the justification of the cell but does not dynamically highlight whether the cell is currently left, center or right justified. Any ideas?


1 Answer 1


You need to target correct notebook, otherwise it tracks a palette's selection.

CurrentValue[NotebookSelection[InputNotebook[]], TextAlignment]

should do.

  • $\begingroup$ That did it. hmmm... Why is it that a docked cell does not require this? Is it because the docked cell is part of the notebook itself? $\endgroup$
    – B flat
    Commented Nov 18, 2016 at 10:48
  • 1
    $\begingroup$ @MichaelMcCain Yes $\endgroup$
    – Kuba
    Commented Nov 18, 2016 at 10:48

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