https://doc.qt.io/qt-5/stylesheet-reference.html#:~:text=widget%2Danimation%2Dduration*
Wouldn't this allow animated fades? On Mon, May 30, 2022 at 4:32 PM Sven Brauch <m...@svenbrauch.de> wrote: > Hi, > > On 5/30/22 20:37, samuel ammonius wrote: > > I've worked with regular CSS and I'm sure that stylesheets offer just as > > many customization options as things like QtCurve or QStylePlugins. The > > reason that it may not seem this way is because Qt didn't document > > regular CSS syntax in the documentation for stylesheets. > > No, the reason is that Qt's CSS has absolutely nothing to do with the > regular CSS known from browsers. It's a proxy style which tweaks how a > base style (e.g. Fusion or Breeze) draws elements on the screen, by e.g. > modifying the palette and then forwarding the draw call to the base > style. It implements maybe 1% of the CSS stuff a modern browser can do, > and that's a favourable estimate. And not even all of that will work as > expected in all cases. For details, see [1]. > > That this proxy style's behaviour can be configured using a CSS-like > syntax is coincidental, or, well, intentionally made that way for ease > of use. But: this is not the CSS you know or expect. > > > I can't verify that stylesheets can do everything that a style plugin > > can do > > They can't. Regular CSS 3 in Firefox is probably pretty close, > practically speaking, but Qt's CSS, not so much. > > > but I know for sure that Breeze can be made using a qstylesheet > > Where did you get this information? This is certainly not the case. Just > try to make e.g. the animated fades in Breeze using Qt's CSS and Fusion > as the base style and you will immediately discover that it's not possible. > > Greetings, > Sven > > _____________ > [1] > > https://code.woboq.org/qt5/qtbase/src/widgets/styles/qstylesheetstyle.cpp.html >
