can anyone explain why tree view looks fine but table view only has 1 pixel?
@adam did you download the example project? it's trivial to run and you can test several implementations. which impl would be used with your suggestion of PM_FocusFrame margins? and do you have maybe example code to implement your suggestion? part of my question is: is this a bug in Qt ? because IMHO "QFocusFrame" should "just work", and why does it NOT? or setting the style to 3 px should "just work" and why does it NOT work but only for certain widgets? you'd think that QFocusFrame would *manage* the clipping properly? or the doc should be more clear, with sample code, cuz i've read the doc several times and am no further along :( any help would be greatly appreciated! if you like karaoke, i have an app for you ;-) -dave > On Jun 8, 2020, at 5:18 AM, Adam Light <acli...@gmail.com> wrote: > > On Sun, Jun 7, 2020 at 2:21 PM David M. Cotter <d...@kjams.com > <mailto:d...@kjams.com>> wrote: > i have an example project (see below), that tries 6 different > implementations, attempts to make the focus ring 3 pix wide. None of them > work on windows, and only one of them PARTIALLY works on mac. What i want is > the style you get around a text edit on mac, but i want that style on ALL > widgets, and i want it on windows too. > > anyone have any idea how i can accomplish this? > > It might be as simple as returning a different value for > QStyle::PM_FocusFrameHMargin and QStyle::PM_FocusFrameVMargin in a > QStyle::pixelMetric or QProxyStyle::pixelMetric implementaton. If you're > using one of the standard styles then it's pretty simple to create and use a > QProxyStyle class to tweak pixel metrics and other aspects of the style. > > If that doesn't work you may be able to reimplement > Q[Proxy]Style::drawControl for element QStyle::CE_FocusFrame and handle the > drawing of the focus frame itself. > > One thing to watch out for is that making QStyle::PM_FocusFrameHMargin and > QStyle::PM_FocusFrameVMargin larger than default can result in the focus > frame getting clipped in some situations. We see this using persistent > editors in itemviews sometimes, and I think we also sometimes see this when > certain widgets are in splitters. > > Adam
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