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List:       kde-panel-devel
Subject:    Re: Review Request: Animates tabswitching
From:       Rob Scheepmaker <r.scheepmaker () student ! utwente ! nl>
Date:       2008-03-19 15:40:41
Message-ID: 20080319154041.19432.63328 () localhost
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> On 2008-03-10 10:00:07, Marco Martin wrote:
> > i think it looks good, both in code and visually
> 
> Will Stephenson wrote:
> Can we hold off committing this?  I found it too slow, and frankly, redundant to \
> have an animation here at all. 
> Mehdi Salem Naraghi wrote:
> Well the speed of the animation can be increased but I must admit that it feels \
> slower than the animation done using the QTimeLine. I did however use 150ms in both \
> situations so its probably a Phase issue. It's just a perception though and I might \
> be wrong. 
> Mehdi Salem Naraghi wrote:
> Btw, I think the animation looks good and is not redundant at all.
> 
> Marco Martin wrote:
> it has the same speed of the animation of the icon, so i don't think it somewhat \
> collides with it, i think it looks pretty good. maybe is the distance that the tab \
> travel for instance if it goes from the first to the last? maybe a fade out of the \
> old tab together a fade in of the new one would be less appariscent? (but maybe \
> more complicate code because two tabs should be rendered at the same time) 
> Mehdi Salem Naraghi wrote:
> Have to try out your suggestion tomorrow. Another solution would be to move the \
> animation rect the other way round instead of travelling the direct way. That is to \
> say, moving the tab out of the tabbar and entering it from the other side. It would \
> definetly increase the complexity of the code but may look appealing. What do you \
> think? 
> Mehdi Salem Naraghi wrote:
> That's how it would behave like: \
> http://www.informatik.uni-bremen.de/~momesana/out.ogv With the previous look of \
> course ;-). I would like to get some feedback about this. If you like it to have \
> that circular movement I can go on and implement it (it's actually mostly \
> implemented as you can see). But the code is more complicated now (with ~90 more \
> lines) and I haven't even properly implemented the paintEvent. 
> Marco Martin wrote:
> yeah, it's a bit complex but is nice. many seems to have issues with that. maybe \
> trying with a fade in/fade out, so it fakes a movement on the z axis, maybe leaving \
> the right mouse button menu option between the movement and the fade animations (if \
> the code of the two implementations is not too different  and if not conflicts each \
> other) just an idea eh :)

I agree: ship it. The animations look very nice and I don't notice any real \
performance issues, and I have pretty old hardware. Of course the CPU usage goes up a \
bit during animation, but that happens on most animations in plasma, and isn't really \
an issue imo. Codewise it looks good as well, but I'm quite new to plasma development \
myself so that doesn't really say that much.


- Rob


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://mattr.info/r/278/#review278
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On 2008-03-09 07:11:19, Mehdi Salem Naraghi wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://mattr.info/r/278/
> -----------------------------------------------------------
> 
> (Updated 2008-03-09 07:11:19)
> 
> 
> Review request for Plasma.
> 
> 
> Summary
> -------
> 
> Adds a nice transition animation during a tabswitch . The code now uses \
> Phase::customAnimation() instead of the former QTimeLine. 
> 
> Diffs
> -----
> 
> trunk/KDE/kdebase/workspace/plasma/applets/kickoff/ui/tabbar.h
> trunk/KDE/kdebase/workspace/plasma/applets/kickoff/ui/tabbar.cpp
> 
> Diff: http://mattr.info/r/278/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Mehdi
> 
> 

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