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PSPP-BUG: [bug #24726] scrolling lags/needs performance profiling

From: John Darrington
Subject: PSPP-BUG: [bug #24726] scrolling lags/needs performance profiling
Date: Tue, 18 Nov 2008 02:14:12 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2008092816 Iceweasel/3.0.3 (Debian-3.0.3-3)

Update of bug #24726 (project pspp):

                  Status:               Duplicate => Confirmed              
             Assigned to:                    None => jmd                    


Follow-up Comment #4:

On second thoughts, this is in fact a seperate issue.  So I'm re-opening this

There is indeed less than optimal behaviour when drawing the datasheet with
large numbers of variables (though not for large numbers of cases).

The problem is that the widths of the variable columns in the data view is
non-uniform.  So currently the implementation iterates all variables in order
to find the pixel positions of the columns. 
See the function g_sheet_column_start_pixel.

Clearly this is undesireable and a better solution is needed.


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