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Hello Daniel,

On Tue, 2012-09-04 at 12:05 +0200, Daniel Mania wrote:
A temporary header/footer after a double click should not change the 
layout at all. If the user really decides to enter text, the temporary 
header/footer could remain a foreground layer, overlapping and covering 
the rest of the document. Changing of the layout would be triggered only 
after the user clicks somewhere outside the header/footer, signalling 
that a header/footer should be inserted. Without text having been 
entered, the header/footer layer would just disappear, as if nothing had 
happened.

By "Layout" I mean the whole internal operation that consists in
creating a frame hierarchy from the document nodes. In short, this
operation is performed at every change to refresh the document view and
simply adding a blank header/footer would trigger recomputing all the
pages after it. This is an expensive operation we surely want to avoid.

And there is no such thing as a foreground layer in Writer... (only for
the drawing elements in it).

--
Cedric


Context


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