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Thread: [FIXED]Floating region flicker in animation

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  1. #1
    Sencha Premium Member steffenk's Avatar
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    Default [FIXED]Floating region flicker in animation

    go to border layout example
    http://dev.sencha.com/deploy/ext-4.0...ut/border.html

    collapse east region

    click on collapsed east title bar:
    You notice that the right border is frequently drawn while animation, which looks very flickery.
    vg Steffen
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    Release Manager of TYPO3 4.5

  2. #2
    Sencha User Animal's Avatar
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    There's no border drawing. It's just Element.slideIn('l')

  3. #3
    Sencha Premium Member steffenk's Avatar
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    ok, but there is a jumping border, you see it?
    vg Steffen
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    Release Manager of TYPO3 4.5

  4. #4
    Sencha User Animal's Avatar
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    No I don't. The only animation is the region's wrapper element animating leftwards, and expanding rightwards at the same rate.

    The region Panel itself is positioned left:0 within that, so it appears to slide in.

    Nothing gets redrawn at all.

  5. #5
    Sencha Premium Member steffenk's Avatar
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    I now checked it in different browsers

    East region slidein/slideout:
    In FF4 it's the right border that flickers, the left border moves smooth
    in Chrome and Safari the right border is smooth, but left border flickers.

    I don't see it as a big issue, it only doesn't look nice.
    vg Steffen
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    Release Manager of TYPO3 4.5

  6. #6
    Sencha User Animal's Avatar
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    I think it's a z-index issue. The animation is expanding the wrap which obscures the left margin of the placeholder. Then it moves the wrap left which exposes it again.

    Placeholders need to be above slide-ins. I'll fix that.

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