Very annoying problem

[Leon Pollak]

I don't know how did I missed this but I have a workaround!!!

It appears (never tried earlier) that the overlapping window has the left and 
upper invisible borders, using which it may be resized!

So, I made it very small and now it almost doesn't interfere with others.

But still it appears...:-)

On Wednesday, 27 March 2019 12:33:47 IST Leon Pollak wrote:
> On Wednesday, 27 March 2019 11:44:55 IST René J.V. Bertin wrote:
> > On Wednesday March 27 2019 11:10:55 Leon Pollak wrote:
> > >To be more precise - when the screen switches everything looks OK for the
> > >first second, may be two. Then something springs out and this screen part
> > >displays the previous fragment.
> > >If I switch to another application (mc in example) and return - this part
> > >of mc screen remains.
> > 
> > I think the symptoms are not directly related to KDevelop. I see something
> > like what you describe from time to time when I switch desktops and am
> > using a simpler window manager than KWin (xfwm4). Parts of the display are
> > not being updated and this has to do somehow with the compositor (= the
> > component responsible for more fancy GUI things; effects, transparency
> > etc).
> > 
> > Of course the window manager (and thus the compositor) is independent from
> > KDevelop and should not be affected by what you're doing in KDevelop. The
> > only things I can think of that could explain (supposing you're using X11
> > and not Wayland of which I know nothing!):
> > 
> > - you're trying to debug the window manager. That'd be a very bad idea so
> > I'm pretty certain you're not doing that - your application does fancy
> > (OpenGL) things itself, or you have a lot of UI effects configured, and
> > you
> > interrupt the application in the middle of doing such things. A bit like
> > when you trigger a breakpoint in a location that does something with a
> > popup or modal dialog which is already open; you're stuck because the
> > application had grabbed mouse and keyboard so you cannot control the
> > debugger and the application is paused.
> > 
> > If you are using KWin (= you run a standard KDE Plasma desktop
> > environment)
> > then you can turn off the compositor and UI effects via the
> > systemsettings.
> > There's also a hotkey for toggling it. You could try that, preferably
> > before you start debugging.
> > 
> > R.


-- 
            Dr.Leon M.Pollak
                Director
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