Don't forget that scroll arrows need to change state when you hover over the scroll thumb in Vista. (That's a Vista-ism that many custom scroll bar implementations--for example IE8--miss.)
-Darin On Fri, Sep 12, 2008 at 12:06 PM, Dave Hyatt <[EMAIL PROTECTED]> wrote: > Scrollbars are going to be changing substantially in the next couple of > weeks. > > Right now several ports have their own versions of PlatformScrollbar > that all clone the same logic (with the only difference between the > classes being metrics and rendering). > > The current plan for refactoring is to eliminate PlatformScrollbar and > make Scrollbar into a class that handles scrolling using a non-native > cross-platform implementation. The Scrollbar class will be talking to a > new ScrollbarTheme interface that will be platform-specific. > ScrollbarTheme will be responsible for rendering scrollbars (and > providing metrics for scrollbars). > > If any ports have special needs for this Scrollbar class (or for > ScrollbarTheme), send me email or respond in this thread. I know that > both WebKit on OS X and Google Chrome have need of tickmarks support on > scrollbars, so this will ultimately need to be built into the rendering > model. > > Classes that still require truly native scrollbars can subclass > Scrollbar (with the only cost being a handful of wasted member variables > in Scrollbar), although we would strongly encourage ports not to use > native scrollbars. We will even be abandoning the native > PlatformScrollbar implementation on the Mac. > > The new cross-platform Scrollbar class is going to support styling via > CSS (initially for overflow sections only). If your port doesn't use > this class, then you won't get the upcoming CSS styling support. > > dave > ([EMAIL PROTECTED]) > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > _______________________________________________ webkit-dev mailing list [email protected] http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
