Review Request: plasma bouncing-ball cumulative fixes

[Enrico Ros]

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http://reviewboard.kde.org/r/2779/
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Review request for Plasma.


Summary
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A comprehensive patch for the Bouncing Ball applet that fixes:
 * framerate independent animation
 * better coloriziation
 * horizontal momentum lost (220809)
 * audio-player on demand (off by default)
 * scale invariant rotation
 * optimized performance
 * using less pointers
 * commented and maintainable
 * unbreak rotation display (a bug in 4.4)
 * cleanup crazy indentation

I'm sorry about the big changes but I found the code really not maintainable, so now it's looking more similar to the other applets.

This fixes bug 220809.
This contributes to fixing bug 216263 (by delaying the sound player initialization, can't crash if no sound).

My girlfriend thanks who will merge this patch ;-)


Diffs
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  trunk/KDE/kdeplasma-addons/applets/bball/CMakeLists.txt 1083550 
  trunk/KDE/kdeplasma-addons/applets/bball/bball.h 1083550 
  trunk/KDE/kdeplasma-addons/applets/bball/bball.cpp 1083550 

Diff: http://reviewboard.kde.org/r/2779/diff


Testing
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Compared to the previous bouncing ball there is a little different physics, but in the end the user will be pleased of this working ball.


Thanks,

Enrico