In my case I installed VNC server just for control purposes. In standalone mode the Qt program should work on remote server without VNC, just with Xorg server.
I have same OS (Debian 7) om my works machine with same Xorg server and same Qt version. And there everything works well of course. So I can't understand what I miss on my VPS in comparisson with my works machine. Ok, I use there KDE as WM and on VPS it's Blackbox. 09.01.2015 19:40, René J.V. Bertin ???????: > On Friday January 09 2015 16:36:54 ruslan wrote: >> It was addressbook from Qt Examples. >> Now I've tried default template "Qt Widget application" from QtCreator >> without any changes. >> The error only 2 lines: >> >> QWidget::paintEngine: Should no longer be called >> QPainter::begin: Paint device returned engine == 0, type: 1 > I've seen this kind of error with Qt 5.3.2 displaying on a remote X11 server > that apparently didn't support all the required modes. But that should be > irrelevant to you because you use VNC and not X11's remote displaying > protocol. > >> In BlackBox I see a window or rather window frame without content. It >> looks like window content is transparent and copies desktop image when I >> move the window. >> The window size and title are right. > That's something I'm used to seeing when I launch a Qt5 application locally, > during the time it takes for everything to be started (slow machine ... > claims that Qt5 allows so much snappier and less resource-heavy rendering are > apparently not true across the board). > It probably just means your window manager and server are doing their job: > they show the window decorations and cache the contents behind the window to > avoid having to ask the owner to redraw when re-exposed. It also means your > application isn't doing any displaying at all. > > Could this be due to x11vnc and/or the VNC client you are using? > > R. > -- ------------------------------- /Best regards, Ruslan/
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