On Wed, Jan 28, 2009 at 5:46 PM, Sebastian Kügler <se...@kde.org> wrote:
> On Tuesday 27 January 2009 23:37:07 Alexis Ménard wrote: > > On Tue, Jan 27, 2009 at 8:26 PM, Sebastian Kügler <se...@kde.org> wrote: > > > SVN commit 917381 by sebas: > > > > > > updateGeometry() works much better for layout size changes than > > > invalidating the layout. > > > > invalidate just clear the cache of sizes internally, so of course after > > that it will do nothing. Calling updateGeometry will compute all sizes > > again according to the content and update the size. But with 4.5 it > should > > be less painfull to do that since a tons of bugs regarding that has been > > fixed (updating the parent size if the layout change, update parents > > layouts if one child grow/shrink,...). We can talk about that on tokamak, > > hopefully 4.5 RC will be out and KDE trunk will be switch. Some of lines > > can be removed i am confident. > > Ah, thanks for the explanation. > > I don't want to completely rely on Qt 4.5 though, since we'd like to > release > the networkmanager applet also for distros that rely on Qt 4.4. From what I > can see though, I need to get the ExtenderItem to understand that its size > has > changed, and pass that information up to ExtenderApplet? Yes, you can invalidate the ExtenderItem cache and then call updateGeometry on it, and call manually a resize of the parent. You can catch the layout request on the event method. That is fix in 4.5 you shouldn't do that but we 4.4 it should work. > > > > > This fixes one part of the sizing problems, the extenderitem's size is > > > updated when you move the extender around. Next step would be to make > > > the extenderapplet update its geometry after the extenderitem's size > > > changes. Is there a signal I should use, or what is the best way to do > > > this? > -- > sebas > > http://www.kde.org | http://vizZzion.org | GPG Key ID: 9119 0EF9 > >
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