Thank you for the bug report, Peter. However, I shall not try to fix it shortly.
I suspect that those errors are due to some wrong interaction between Ruby and Gnome libraries at some point, but I did not find enough information about those "critical" errors when I tried to fix them in the past. Those errors did not entail misbehaviors of the application so far (as I could check individually), and most users will not even notice them when they launch screenruler from a graphic menu. Best regards, Georges. Peter Mueller a écrit : > reopen 1000230 > found 1000230 1.0-2 > thanks > -- > 1.0-2 works now. Thanks a lot!!! However, some error messages emerge. > 1. Starting screenruler and switching four times with Alt-Tab between the > screen ruler and the xterm or gnome-terminal from where the screenruler was > started, I see the following in the console : > screenruler & [1] 11847 $ Loading libraries... Creating windows... Reading > settings... Presenting ruler... Gdk-CRITICAL **: gdk_pixbuf_get_from_surface: > assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:133 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:133 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:133 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:133 > (Switching ones to thrice causes no messages, probably due to buffering, > though I can't really prove that.) More switching leads to this on the > console: > Gdk-CRITICAL **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' > failed from /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:288 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:288 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:288 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:288 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/share/screenruler/ruler_window.rb:275 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:600 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/2.7.0/delegate.rb:343 Gdk-CRITICAL **: > gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:674 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:674 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:674 Gdk-CRITICAL > **: gdk_pixbuf_get_from_surface: assertion 'surface != NULL' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:674 > After that, I was unable to get genuinely newer messages, only the copies of > the above, in some order in blocks of 4. > 2. A second-mouse-button click on the screenruler to call its menu does call > the menu but prints the following to the console : > Gdk-Message: 14:19:12.255: Window 0x558616afc850 is a temporary window > without parent, application will not be able to position it on screen. > Gdk-CRITICAL **: gdk_wayland_window_handle_configure_popup: assertion > 'impl->transient_for' failed from > /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:598:in `invoke' > from /usr/lib/ruby/vendor_ruby/gobject-introspection/loader.rb:103:in `block > in define_singleton_method' from ./screenruler.rb:91:in `<main>' > Since the errors are marked as CRITICAL, I presume that something wrong goes > there. > Thanks in advance for looking into it, > Peter -- Georges KHAZNADAR et Jocelyne FOURNIER 22 rue des mouettes, 59240 Dunkerque France. Téléphone +33 (0)3 28 29 17 70
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