On 29/10/2011 11:30, Mark Morgan Lloyd wrote:
Is there an easy way of setting columns to a different background
and/or foreground colour?
I've got two synedits, one in a main window with "music ruled"
coloured lines and a small one above it numbered for columns, provided
that the fount etc. is the same the relative positioning is correct.
I'd like to be able to highlight header columns to mark tab positions,
it's safe to assume that all visible character positions will contain
a digit or a space.
If you want to highlight headers (that is in the one line SynEdit) then
look at the position highlighter (lazarus: examples/synedit/
If you want to highlight the same column(s) in every line, and there may
be any number of lines, you would have to add the highlight for *every*
line (lot of adding). You may rather try to modify the highlighter. (
http://wiki.lazarus.freepascal.org/SynEdit_Highlighter )
You can also inherit your own SynEdit, and add multiply
SynMarkupSelection modules, which you can easily change to highlight
boundaries given by you (in your color) rather than the current selection.
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