[Kmymoney-devel] Refreshing views only when needed

Cristian Oneț onet.cristian at gmail.com
Wed Sep 8 20:08:01 CEST 2010

On Wednesday 08 September 2010 20:43:28 Alvaro Soliverez wrote:
> Hello all,
> here's an idea on improving performance.
> KMM refreshes all views when data changes. The fileChanged signal is
> connected to a slot that refreshes all views. So, regardless of
> whether that view is actually being shown (or is ever going to be
> shown at all), the view reloads all its data.
> My proposal is the following:
> - In each view, add a flag that signals whether the view should be
> refreshed or not
> - Only refresh a view if it is visible at the moment, otherwise set the
> flag - On the showEvent of each view, check the flag, and refresh if
> needed
> I think this is a relatively simple modification, and it could help a
> great deal toward improving performance.
> Thoughts?

AFAICT this is already implemented in most of the views (see m_needReload) and 
if there are some which don't behave this way then they should be fixed.


Cristian Oneț
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