[REQUEST] Pass values from Desktop Entry to -run-command

[Vladimir-csp]

Before opening a feature request

• I checked the next branch to see if the feature has already been implemented
• I searched existing reports to see if it is already requested.

What is the user problem or growth opportunity you want to see solved?

In order to properly integrate with systemd-run or wrappers, some values from Desktop Entry need to be available in execution context.

How do you know that this problem exists today? Why is this important?

Currently there is only {cmd} pattern available to customize -run-command, no way to get anything from or about the Entry.

Who will benefit from it?

People running systemd-managed graphical sessions.

Rofi version (rofi -v)

Version: 2.0.0

Configuration

Additional information

There is a corresponding PR for fuzzel where solution is settled on providing agnostic environment variables, aiming to become interoperable convention:

• DESKTOP_ENTRY_ID
• DESKTOP_ENTRY_PATH
• DESKTOP_ENTRY_NAME
• DESKTOP_ENTRY_GENERICNAME
• DESKTOP_ENTRY_COMMENT
• DESKTOP_ENTRY_NAME_L (Localized)
• DESKTOP_ENTRY_GENERICNAME_L (Localized)
• DESKTOP_ENTRY_COMMENT_L (Localized)
• DESKTOP_ENTRY_ICON

And if launching an action, also:

• DESKTOP_ENTRY_ACTION (Action identifier)
• DESKTOP_ENTRY_ACTION_NAME
• DESKTOP_ENTRY_ACTION_NAME_L (Localized)
• DESKTOP_ENTRY_ACTION_ICON

[DaveDavenport]

Related PR: #2048

I have not had time to look into this sufficiently, but I was wondering if there is a dbus way to launch the application that would be allow it to be launched in its own context? (Given we have DBusActivatable)

The environment variables should be easy enough to add. ( I wonder what the use of DESKTOP_ENTRY_COMMENT is?)
(Patch would be welcome, as I am very busy atm)

[Vladimir-csp]

I wonder what the use of DESKTOP_ENTRY_COMMENT is?

Potentially, unit description. Although usually Name and GenericName are sufficient for it.
Hm, GenericName is missing, lucky catch.