You found a bug! We've classified it as EXTJSIV-7993 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. 11 Dec 2012 2:03 PM #1
    Diavololt
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    Default 4.2.0 Beta Stateful Array Grid Example Row (style rows on mouseover)

    4.2.0 Beta Stateful Array Grid Example Row (style rows on mouseover)


    /* style rows on mouseover */
    .x-grid-row-over .x-grid-cell-inner {
    font-weight: bold;
    }

    Active row change is very slow

    Browser: Chrome
    Version: 23.0.1271.95 m
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  2. 20 Jan 2013 11:59 AM #2
    Animal
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    Default


    It's not slow.

    The adding of the class is delayed until mouse movement ceases.

    This is a performance improvement. Adding classes cause layouts.

    It's not worth adding the class if the mouse is moving over the grid.

    The eye candy appears as soon as you stop scrolling or moving the mouse.
    Search the forum: http://www.google.com/coop/cse?cx=01...%3Az7of1ufqccu
    Read the docs too: http://extjs.com/deploy/dev/docs/
    Scope: http://extjs.com/forum/showthread.ph...642#post257642
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