No complaints so I've moved it to Plasma. It has been included in the Plasma 5.21 beta.
Jonathan On Thu, 7 Jan 2021 at 09:29, Noah Davis <noaha...@gmail.com> wrote: > https://invent.kde.org/plasma/qqc2-breeze-style/ > > qqc2-breeze-style is a Qt Quick Controls 2 style made with Qt Quick > and Kirigami. It has a visual style that is meant to match the Visual > Design Group's vision for Breeze. > > My motivations for making this include the following reasons. > > - Creating, iterating on and maintaining a Qt Quick/Kirigami based > QQC2 style is relatively easy. > > - Plasma Mobile needs an efficient QQC2 style. > - qqc2-breeze-style has better graphical performance than Plasma > style/PC3 and qqc2-desktop-style. It doesn't depend on the speed of > the Qt SVG renderer when rendering elements for the 1st time and most > graphical elements are drawn with the GPU. > - It has much better RAM usage than PC3, slightly better RAM usage > than qqc2-desktop-style and about the same RAM usage as Material. > After opening all pages of Kirigami Gallery, PC3 used 254MB, > qqc2-desktop-style used 185MB, qqc2-breeze-style used 182MB and > Material used 180MB. Take those numbers with a grain of salt since the > absolute amount of RAM used can vary based on how much free RAM there > is. > - Its loading times are much better than PC3. I don't remember the > exact number, but I'm pretty sure it took half as long to load Index > (Maui file manager) on a PinePhone compared to PC3. > > - We occasionally have QQC2 style compatibility issues with 3rd party > apps that don't force a specific QQC2 style and have been designed > using other QQC2 styles. qqc2-breeze-style is much more compatible > with the Default (Basic in Qt 6), Fusion and Material QQC2 styles than > Plasma style/PC3 and qqc2-desktop-style, so 3rd party apps should be > less likely to have issues with it. The Fusion QQC2 style will become > the default QQC2 style on Linux in Qt 6, so I'd expect to see more > apps designed for it in the future. Unless GNOME starts shipping an > Adwaita QQC2 style, Fusion will probably be the QQC2 style that 3rd > party desktop environment users see by default. > > - I'd like 3rd party app developers to be able to adopt the look of > KDE apps even if they aren't part of KDE. As far as I know, there > aren't that many open source QQC2 styles out there. The visuals of the > Qt QQC2 styles are not terrible, but not very impressive either and > the Material QQC2 style is not up to date with Material Design. > qqc2-breeze-style could gain some popularity outside of KDE if it's > easy for developers to use and proven on low power platforms like > Plasma Mobile on the PinePhone. > > - Plasma style/PC3 is unfortunately limited by needing to be > compatible with PC2 in order to not break existing Plasma themes. This > makes it a fairly poor choice for anything but Plasmoids and anything > else that doesn't need to be cross-platform or compatible with > multiple QQC2 styles. Using SVGs for UI graphics has its advantages > when you want to make something that isn't easy to make with just > Rectangle/ShadowedRectangle. However, it seriously gets in the way for > anything that can easily be made with just rectangles, which is most > UI graphics in the style of Breeze. Plus, manually editing SVGs in a > text editor to get the element IDs and CSS classes right is never fun. > > - qqc2-desktop-style is unfortunately limited by the fact that it gets > most of its visuals from the system QStyle. This means there's no way > for it to do things that would be basic in Qt Quick, such as > animations and drawing shadows/glows/focus rings outside the bounds of > buttons. Changing the visuals at all is harder in general due to the > facts that the Breeze QStyle is massive and it's very easy to create > serious issues in many apps that are hard to fix. See the struggles > that went into making the new header area of the Breeze QStyle. In > QML, this would have been easy. >
