[gtk] (15 commits) Created branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' was created.

Summary of new commits:

  1125d08... range: Remove outdated comment
  42e6630... scale: Make a function shorter
  0a96c3f... scale: Properly update when inverted
  0ac20f9... spinbutton: Remove an unnecessary queue_draw() call
  dd7d171... treeview: Remove GTK_TREE_VIEW_FOREGROUND_LINE
  8a51796... treeview: Remove two _dashes members
  b812ff2... treeview: Shorten destroy() implementation
  a937452... snapshot: Annotate child_bounds parameter of push_repeat as
  5d941b1... treeview: Redo grid line drawing using textures
  cefbb68... treeview: Redo tree line drawing using textures
  3442382... gl renderer: Implement a subset of repeat nodes
  4cea4a6... testsuite: Add a repeat node test case
  57ab87d... iconcache: Replace broken debugging code
  34d0bfd... iconcache: ref textures
  d800750... Adwaita: Fix hovering modelbutton arrows