Touch point visualization feature removed

[Richard Huddie]

channel:ubuntu-touch/rc-proposed/meizu.en
image: 376
device: arale

For test automation it is very useful to enable touch-point visualization feature to see touch points on the screen during automated tests. This was previously done using dbus api com.canonical.Unity.Screen.setTouchVisualizationEnabled:

dbus-send --system --dest=com.canonical.Unity.Screen --type=method_call --print-reply / com.canonical.Unity.Screen.setTouchVisualizationEnabled boolean:true

This api has been removed and it seems there is no alternative way to enable this feature. (See http://bazaar.launchpad.net/~unity-system-compositor-team/unity-system-compositor/trunk/revision/293)

This feature should be added back so that we can enable touch visualization once again, it is very useful debugging aid.

[Daniel van Vugt (vanvugt)]

Just guessing without testing right now, but it looks like environment MIR_SERVER_ENABLE_TOUCHSPOTS=1 might work. Since --enable-touchspots is a shared server option.

So maybe: restart unity8 MIR_SERVER_ENABLE_TOUCHSPOTS=1

[Richard Huddie (rhuddie)]

I've just tried above command but unfortunately it doesn't enable touch visualization.