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QHeaderView - no big update work if updates are disabled 

There is no reason to find out where to update the headerview
if updates aren't enabled.  Another approch I considered to skip the
whole calculation and just call update. I seriosly doubt that this
calculation and update of a particular QHeaderView rect will normally(*)
be faster than just updating everything.

However to be safe I have done the conservative fix.

(*) Normally but with many/fragmented spans in the headerview.

Change-Id: Ia812a747ee825653db0345cdc34f9d2f7155ea01
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
bb10
Thorbjørn Lund Martsum 2011-12-14 21:26:49 +01:00 committed by Qt by Nokia
parent f9516e4c8e
commit 3bb0c88de8
1 changed files with 5 additions and 0 deletions
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5
src/widgets/itemviews/qheaderview.cpp
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@ -887,6 +887,11 @@ void QHeaderView::resizeSection(int logical, int size)
if (size != oldSize)
d->createSectionSpan(visual, visual, size, d->headerSectionResizeMode(visual));
if (!updatesEnabled()) {
emit sectionResized(logical, oldSize, size);
return;
}
int w = d->viewport->width();
int h = d->viewport->height();
int pos = sectionViewportPosition(logical);