Fixed the show / hide dialog shortcuts to take the splitter into consideration,
So, here's the deal.
We have a few QSplitters that takes care of helping us with the
size of a few widgets, they are ok, and we should continue using them
to manage the visibility of them too. But the way that we did before was to
widget->hide(); something, and if you hided something using the splitter,
by holding it's handle and collapsing the widget, then you used the 'ctrl+number'
shortcut to show it, it whould only show a gray panel.
This patch makes everything behave using the splitters.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>