On 10/02/2015 19:12, Mark Morgan Lloyd wrote:
Is there a preferred way of putting a column ruler above the text in a
synedit, either (two lines) marking columns or (one line) marking tab
positions?
I've previously done this for a file viewer oriented towards large
files with columnar text (e.g. database query output) by having two
synedits on the same form, but since the ruler doesn't really want
line numbers keeping the two lined up was not entirely reliable.
Look at ide/SourceSynEditor.pp
constructor TIDESynEditor.Create(AOwner: TComponent);
....
FPaintArea := TSourceLazSynSurfaceManager.Create(Self, FPaintArea);
It wraps the original paint area object, and reduces its size, then
placing a new paintarea for its own purpose on top.
In this example the size is variable. For your case it would be fixed,
so it should be easier.
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