To make possible to return to previous state, it is both necessary to use the oposite
animation factor as also the start and end value used in the animation.
svn path=/trunk/KDE/kdelibs/; revision=1043658
Now the QAbstractAnimations will be cached when running an animation
(instead of creating and destroying them everytime the animation runs).
The next step is to cache *also* the configuration parameters (as aseigo suggested,
by having an event filter to detect changes in the animated widgets and reseting
the animation parameters as needed).
svn path=/trunk/KDE/kdelibs/; revision=1039531
Qt 4.6 animation API (a.k.a. kinetic) to implement effects.
Current implemented animations: fade, slide, expand, grow (next will be
pulse and rotation).
Further discussion is here:
http://reviewboard.kde.org/r/1512/
svn path=/trunk/KDE/kdelibs/; revision=1035749
