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[Bug 1516713] Re: gtk3 overlay scrollbars consistently show wrong behaviour

 

I tried Ambiance and Radience. They initially do have thinner
scrollbars. But once the mouse comes close enough to the scrollbar line
it extends into its full width. Only if I use a large enough font I can
position the cursor in the last line. In Eclipse where I use small fonts
this makes the last line of each source file inaccessible in the source
editor and makes it very hard to manipulate (expand, collapse) the last
item in the package tree list.

I Googled and found an environment variable I can set to disable the
feature altogether and things are workable this way. But I generally
don't like to resort to such obscure settings and like to keep in the
mainstream. But having to pick from a rather limited set of themes to
have something that kind of works is a bit too restrictive for my taste.

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https://bugs.launchpad.net/bugs/1516713

Title:
  gtk3 overlay scrollbars consistently show wrong behaviour

Status in gedit package in Ubuntu:
  Incomplete

Bug description:
  This is a general bug in GTK3 overlay scrolling (the new kind, not the
  old "overlay scrollbars" feature).

  When a window needs both horizontal and vertical scrolling the actual
  accessible content is reduced by the size of the scrollbars that show
  up when you move the mouse into the window.  Normally the scrollbars
  are logically outside the scrollable area and that whole are can be
  scrolled into view. With overlay scrolling this is not the case
  because the scrollbars OVERLAY the scrollable content, effectively
  making part of that content unreachable.

  In case of a text-file opened in GEDIT this means that the last text-
  line will be covered by the horizontal scrollbar and you can not
  scroll further down to scroll it above the horizontal scroll bar (see
  the attached screenshot).

  The fix would obviously be to extend the logical scroll range of both
  scrollbars with the width of the other scrollbar if that exists.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: gedit 3.10.4-0ubuntu13
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Nov 16 17:59:46 2015
  ExecutablePath: /usr/bin/gedit
  InstallationDate: Installed on 2015-11-04 (12 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  SourcePackage: gedit
  UpgradeStatus: No upgrade log present (probably fresh install)

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References