I don’t see it in gnome-tweak Startup applications, but the nemo-desktop process is running indeed.
I have found a file /etc/xdg/autostart/nemo-unity-autostart.desktop
Something restarts it if I try to kill, so I removed the file, reboot: dash don’t open.
Open terminal run: nemo-desktop &
Close the terminal (no app running): dash opens
Kill the process: dash don’t open
I am playing around many ubuntu 19 installation all started with the minimal install except one. That one had nemo-desktop so i was able to filter it out.
I just opened my test laptop from suspend now and suddenly the dash opened with no app and without nemo-desktop in background (wtf?) So I played with it a bit and figured out:
If I move the mouse anywhere in the launcher (doesn’t matter if there is a pinned icon or nothing) and hit the super key, the dash opens!
If I close the dash leaving the mouse over the launcher, I can move the mouse anywhere and the dash opens (If I start an app and close it, the dash doesn’t open again)
BUT: if I remove the mouse from laucher while the dash is open and close the dash it doesn’t open again if the mouse is outside the launcher.
If I change the key:
The Ctrl key works the same way as the super key
Pause, Pgup: dash opens well, but I can’t use these for run launcher apps like Super+Num
But still. If the nemo-desktop process running, dash always opens normaly.
I am not sure but maybe I had this problem before. So I think not 19.04 “caused” this but the minimal install.
PS: I changed the shortcut key in compizconfig -> ubuntu unity plugin. Is it the right place to do that?