Você tem três opções aqui:
- Ignore os avisos
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Remova o material da barra de rolagem de sobreposição
#Step 1 echo "export GTK_OVERLAY_SCROLLING=0" >> ~/.profile #Step 2 mkdir -p ~/.config/gtk-3.0 cat <<EOF > ~/.config/gtk-3.0/gtk.css /* Adding the buttons on the edges (if you don't need them, skip the next 4 lines) */ .scrollbar { -GtkScrollbar-has-backward-stepper: 1; -GtkScrollbar-has-forward-stepper: 1; } /* Scrollbar trough squeezes when cursor hovers over it. Disabling that */ .scrollbar.vertical:hover:dir(ltr), .scrollbar.vertical.dragging:dir(ltr) { margin-left: 0px; } .scrollbar.vertical:hover:dir(rtl), .scrollbar.vertical.dragging:dir(rtl) { margin-right: 0px; } .scrollbar.horizontal:hover, .scrollbar.horizontal.dragging, .scrollbar.horizontal.slider:hover, .scrollbar.horizontal.slider.dragging { margin-top: 0px; } /* Slider widens to fill the scrollbar when cursor hovers over it. Making it permanent */ .scrollbar.slider.vertical:dir(ltr):not(:hover):not(.dragging) { margin-left: 0px; } .scrollbar.slider.vertical:dir(rtl):not(:hover):not(.dragging) { margin-right: 0px; } .scrollbar.slider.horizontal:not(:hover):not(.dragging) { margin-top: 0px; } EOF #Step 3 cat <<EOF > ~/.config/gtk-3.0/settings.ini [Settings] gtk-color-scheme="tooltip_bg_color:#ffffaf\ntooltip_fg_color:#000000" gtk-application-prefer-dark-theme=0 gtk-primary-button-warps-slider = false EOF #Step 4 sudo apt-get purge overlay-scrollbar overlay-scrollbar-gtk2
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Reinstale o material da barra de rolagem overlay
sudo apt-get install --reinstall overlay-scrollbar overlay-scrollbar-gtk2