On Tue, Mar 25, 2008 at 7:50 PM, Matt Newell <[EMAIL PROTECTED]> wrote:
> On Tuesday 25 March 2008 16:29:36 Joshua Bronson wrote: > > I am new to Qt, and I just whipped up a PyQt-based implementation of > > Tetr*s. I am getting quite a bit of padding between the edges of the > window > > and the edges of the area in which the blocks are drawn, and I can't > seem > > to figure out how to set this to zero. > > To see this, svn export the following files: > > http://aipytris.googlecode.com/svn/trunk/aipytris/g.py > > http://aipytris.googlecode.com/svn/trunk/aipytris/piece.py > > http://aipytris.googlecode.com/svn/trunk/aipytris/observable.py > > http://aipytris.googlecode.com/svn/trunk/aipytris/boardqt.py > > > > Then run boardqt.py. > > > > Does anyone know how to get rid of this padding? > > > > Thanks, > > Josh > > Call setMargin( pixels ) on your layout. > > Matt > Thanks Matt, that did the trick. Another question has come up. When implementing this in less sophisticated Gui frameworks<http://aipytris.googlecode.com/svn/trunk/aipytris/boardtk.py>, I noticed that the canvas remembered primitives that had already been painted on it, so on each paint event I only had to paint blocks that had moved since the previous paint event, which I assume is more efficient. With my Qt version, however, I am repainting every block on every paint event, even ones that have not moved. Is there some way around this? I've looked at the painting examples and read http://doc.trolltech.com/4.3/paintsystem.html, but I haven't found anything about whether QWidgets can retain state. Thanks, Josh
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