icon libreoffice is missing from dock ubuntu 18.04

[Lvaskz]

Hi, I am using ubuntu 18.04 and the icon libreoffice full.appimage from the dock is missing every time i run it.

64 bits
ubuntu 18.04, gnome shell

[antoniofaccioli]

For the moment it is not provided directly, look into other thread of appimage github. For example here:
AppImage/AppImageKit#346

[probonopd]

I think @Lvaskz is talking about the icon on the dock. How do you launch LibreOffice? By just double clicking the AppImage or from the menu, using the optional appimaged daemon?

• From the menu, using the optional appimaged daemon, the icon in the dock should "just work"
• By double clicking the AppImage, it will work only if LibreOffice sets the window icon (in its source code)

This is the Qt code that does it - I am sure it can be done without Qt as well:

# Construct the absolute path to the icon from the relative path
QFileInfo fi(app.applicationDirPath() + "/../share/pixmaps/qtquickapp.png");
# Set the window icon
QGuiApplication::setWindowIcon(QIcon(fi.absoluteFilePath()));

[Lvaskz]

I am not using appimaged, double click on the appimage only

[probonopd]

Then LibreOffice needs to set the window icon (in its source code).

[Lvaskz]

To update this issue a bit, I installed appimagelauncher and effectively the libreoffice icon can be seen in the applications menu and the ubuntu dock. Until then everything, well, the problem is when I select calc, writer or any other, the icon of the applications is missing
I started to dive in .local / share / icons / etc etc etc and I could see that the icons are downloaded there, but for some reason, they are not loaded.
To complicate the matter a little bit more, I installed libreoffice of flatpak, and I left the flatpak application closed and I returned to open libreimage of appimage and the calc, writter correct icon appeared. I uninstalled libreoffice flatpak and reopened libreoffice. appimage and disappeared the images of calc, writter, etc.
From the above I infer that the libreoffice appimage is registering the flatpak icons and not those that are loaded in .local / share / icons. For some reason when libreoffice flatpak is present, libreoffice appimage recognizes the path of the icons, but if I uninstall flatpak, the icons of libreoffice appimages get lost again. This is a pretty strange behavior, maybe there is some error in the recognition of the routes-path of the icons.