Xorg.0.log

[  1847.375]   grab 0x402063ce (xi2), type 'ButtonPress' on window 0x360000b
[  1847.375]     detail 1 (mask 0), modifiersDetail 80 (mask 0)
[  1847.375]     device 'Virtual core pointer' (2), modifierDevice 'Virtual core keyboard' (3)
[  1847.375]       xi2 event mask 0x70 0 0 0 
[  1847.375]     owner-events false, kb 1 ptr 1, confine 0x0, cursor 0x0
[  1847.375]   Printing all registered grabs of client pid 2145 /usr/bin/gnome-shell 
[  1847.375]   Printing all registered grabs of client pid 2128 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
[  1847.375]   Printing all registered grabs of client pid 2179 /usr/lib/ibus/ibus-x11 --kill-daemon
[  1847.375]   Printing all registered grabs of client pid 2258 /usr/lib/gnome-settings-daemon/gsd-power 
[  1847.375]   Printing all registered grabs of client pid 2275 /usr/lib/gnome-settings-daemon/gsd-wacom 
[  1847.375]   Printing all registered grabs of client pid 2284 /usr/lib/gnome-settings-daemon/gsd-xsettings 
[  1847.375]   Printing all registered grabs of client pid 2289 /usr/lib/gnome-settings-daemon/gsd-clipboard 
[  1847.375]   Printing all registered grabs of client pid 2154 /usr/bin/pulseaudio --start --log-target=syslog
[  1847.375]   Printing all registered grabs of client pid 2301 /usr/lib/gnome-settings-daemon/gsd-color 
[  1847.375]   Printing all registered grabs of client pid 2302 /usr/lib/gnome-settings-daemon/gsd-keyboard 
[  1847.375]   Printing all registered grabs of client pid 2313 /usr/lib/gnome-settings-daemon/gsd-media-keys 
[  1847.375]   Printing all registered grabs of client pid 2360 /usr/bin/gnome-software --gapplication-service
[  1847.375]   Printing all registered grabs of client pid 2371 nautilus-desktop 
[  1847.375]   Printing all registered grabs of client pid 4275 xdotool key XF86LogGrabInfo
[  1847.375]   Printing all registered grabs of client pid 2385 /home/greg/.dropbox-dist/dropbox-lnx.x86_64-48.4.58/dropbox 
[  1847.375]   Printing all registered grabs of client pid 2385 /home/greg/.dropbox-dist/dropbox-lnx.x86_64-48.4.58/dropbox 
[  1847.375]   Printing all registered grabs of client pid 3510 update-notifier 
[  1847.375]   Printing all registered grabs of client pid 3965 /usr/lib/gnome-terminal/gnome-terminal-server 
[  1847.375] End list of registered passive grabs