/usr/share/themes/Adwaita-dark/gtk-2.0/hacks.rc is in gnome-themes-extra-data 3.28-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | # vim:set ft=gtkrc ts=2 sw=2 sts=2 ai et:
#
# This file contains horrible hacks to make this theme work with some programs
# This is mostly due to the limitations of gtk2 but sometimes its the fault of
# the programs themselves. Not going to point fingers.
#
# Either way, it's a WONTFIX for both, hence this horrible file.
style "toplevel_hack" {
engine "adwaita" {}
}
style "chrome_entry" {
base[NORMAL] = @base_color
base[INSENSITIVE] = @base_color
}
style "vim_notebook" {
bg[NORMAL] = @base_color
bg[ACTIVE] = @insensitive_bg_color
}
# Vim puts an eventbox between the tab and the label and colours it,
# we need to handle that
widget "vim-main-window*GtkNotebook.GtkEventBox" style "vim_notebook"
# (he)xchat input box
class "SexySpellEntry" style:highest "normal_entry"
# Chromium uses base as the fill colour of its own entries
# This would be fine but Gtk+ uses it to fill the surrounding space, so its set to bg
# That results in Chromium using it for the fill, so we need to handle that
widget_class "*Chrom*<GtkEntry>" style "chrome_entry"
# Hack to be able to match widgets in LibreOffice
class "GtkWindow" style "toplevel_hack"
|