Am Mi., 16. Okt. 2019 um 14:18 Uhr schrieb Sebastian Krzyszkowiak <d...@dosowisko.net>: > > On 10/16/19, Christian Parpart <christian@parpart.family> wrote: > > Hi guys, > > > > I am developing an OpenGL / GLFW application (for highest platform > > independence and easiest porting efforts). It's basically a terminal > > emulator, and I want the background to be optionally transparent (done) but > > also blurred (done for windows, not linux/mac). I found out, that for KDE's > > konsole, it's not doing it by itself but using > > KWindowEffects::enableBlurBehind(...) > > instead, which is more or less how you do it on Windows 10 too. However, > > making use of it and linking against KF5::WindowSystem tells me that it > > couldn't find any plugins. > > > > > > * org.kde.kwindowsystem: Could not find any platform plugin* > > > > Also, I highly doubt I can just pump in the X11 `Window` (XID) handle to > > `enableBlurBehind`'s first param, but I couldn't figure how to construct a > > `WId` without fully transforming my program into a full KDE/Qt app. > > > > Is there a way without fully converting into KDE app (I'd like to retain > > platform independence, but at least get blur-behind feature on each > > platform, with the least effort and code duplication). > > > > Many thanks in advance, > > Christian Parpart. > > > > Hi! > > You can't use KF5 libraries without using Qt. However, what you want > to achieve can be easily done on lower levels. > > On X11, what you need is to set 32c property > _KDE_NET_WM_BLUR_BEHIND_REGION on your window. > > On Wayland, you're interested in org_kde_kwin_blur protocol: > https://github.com/KDE/kwayland/blob/master/src/client/protocols/blur.xml > > Keep in mind that those are KWin specific extensions and won't work on > other compositors/window managers.
Hey, @Sebastian, this helped me a lot. Many thanks, Christian Parpart.