/usr/share/cairo-dock/container.desktop is in cairo-dock-data 3.3.99.beta1.2.really.3.3.2-0ubuntu2.
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 37 38 39 | #3.3.2
#[gtk-about]
[Desktop Entry]
#F[Icon]
frame_maininfo=
#d+ Name of the container it belongs to:
Container =
#s[New sub-dock] Sub-dock's name:
Name = New sub-dock
#v
sep_display=
#Y+[Use an image;1;1;Draw sub-dock's content as emblems;0;0;Draw sub-dock's content as stack;0;0;Draw sub-dock's content inside a box;0;0] How to render the icon:
render = 3
#S+ Image's name or path:
Icon=
#X[Extra parameters]
frame_extra =
#n Name of the view used for the sub-dock:
Renderer =
#i-[0;16] Only show in this specific viewport:
#{If '0' the container will be displayed on every viewport.}
ShowOnViewport = 0
#f[0;100] Order you want for this launcher among the others:
Order=0
Icon Type = 1
Type = Container
|